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vladislav.khorev committed 2017-01-10 07:08:49 +03:00
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# Copyright (C) 2009 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
LOCAL_MODULE := libzip
LOCAL_SRC_FILES :=\
zip_add.c \
zip_add_dir.c \
zip_close.c \
zip_delete.c \
zip_dirent.c \
zip_entry_free.c \
zip_entry_new.c \
zip_err_str.c \
zip_error.c \
zip_error_clear.c \
zip_error_get.c \
zip_error_get_sys_type.c \
zip_error_strerror.c \
zip_error_to_str.c \
zip_fclose.c \
zip_file_error_clear.c \
zip_file_error_get.c \
zip_file_get_offset.c \
zip_file_strerror.c \
zip_filerange_crc.c \
zip_fopen.c \
zip_fopen_index.c \
zip_fread.c \
zip_free.c \
zip_get_archive_comment.c \
zip_get_archive_flag.c \
zip_get_file_comment.c \
zip_get_num_files.c \
zip_get_name.c \
zip_memdup.c \
zip_name_locate.c \
zip_new.c \
zip_open.c \
zip_rename.c \
zip_replace.c \
zip_set_archive_comment.c \
zip_set_archive_flag.c \
zip_set_file_comment.c \
zip_source_buffer.c \
zip_source_file.c \
zip_source_filep.c \
zip_source_free.c \
zip_source_function.c \
zip_source_zip.c \
zip_set_name.c \
zip_stat.c \
zip_stat_index.c \
zip_stat_init.c \
zip_strerror.c \
zip_unchange.c \
zip_unchange_all.c \
zip_unchange_archive.c \
zip_unchange_data.c
LOCAL_LDLIBS := -lz
#include $(BUILD_SHARED_LIBRARY)
include $(BUILD_STATIC_LIBRARY)
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APP_OPTIM := release
APP_MODULES := libzip
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/* Config header for Android */
/* Define to 1 if you have the declaration of `tzname', and to 0 if you don't.
*/
/* #undef HAVE_DECL_TZNAME */
/* Define to 1 if you have the <dlfcn.h> header file. */
#define HAVE_DLFCN_H 0
/* Define to 1 if you have the `fseeko' function. */
#define HAVE_FSEEKO 0
/* Define to 1 if you have the `ftello' function. */
#define HAVE_FTELLO 0
/* Define to 1 if you have the <inttypes.h> header file. */
#define HAVE_INTTYPES_H 0
/* Define to 1 if you have the `z' library (-lz). */
#define HAVE_LIBZ 1
/* Define to 1 if you have the <memory.h> header file. */
#define HAVE_MEMORY_H 0
/* Define to 1 if you have the `mkstemp' function. */
#define HAVE_MKSTEMP 0
/* Define to 1 if you have the `MoveFileExA' function. */
/* #undef HAVE_MOVEFILEEXA */
/* Define to 1 if you have the <stdint.h> header file. */
#define HAVE_STDINT_H 1
/* Define to 1 if you have the <stdlib.h> header file. */
#define HAVE_STDLIB_H 1
/* Define to 1 if you have the <strings.h> header file. */
#define HAVE_STRINGS_H 1
/* Define to 1 if you have the <string.h> header file. */
#define HAVE_STRING_H 1
/* Define to 1 if `tm_zone' is a member of `struct tm'. */
#define HAVE_STRUCT_TM_TM_ZONE 1
/* Define to 1 if you have the <sys/stat.h> header file. */
#define HAVE_SYS_STAT_H 1
/* Define to 1 if you have the <sys/types.h> header file. */
#define HAVE_SYS_TYPES_H 1
/* Define to 1 if your `struct tm' has `tm_zone'. Deprecated, use
`HAVE_STRUCT_TM_TM_ZONE' instead. */
#define HAVE_TM_ZONE 1
/* Define to 1 if you don't have `tm_zone' but do have the external array
`tzname'. */
/* #undef HAVE_TZNAME */
/* Define to 1 if you have the <unistd.h> header file. */
#define HAVE_UNISTD_H 1
/* Define to the sub-directory in which libtool stores uninstalled libraries.
*/
#define LT_OBJDIR ".libs/"
/* Define to 1 if your C compiler doesn't accept -c and -o together. */
/* #undef NO_MINUS_C_MINUS_O */
/* Name of package */
#define PACKAGE "libzip"
/* Define to the address where bug reports for this package should be sent. */
#define PACKAGE_BUGREPORT "libzip@nih.at"
/* Define to the full name of this package. */
#define PACKAGE_NAME "libzip"
/* Define to the full name and version of this package. */
#define PACKAGE_STRING "libzip 0.9.3"
/* Define to the one symbol short name of this package. */
#define PACKAGE_TARNAME "libzip"
/* Define to the home page for this package. */
#define PACKAGE_URL ""
/* Define to the version of this package. */
#define PACKAGE_VERSION "0.9.3"
/* Define to 1 if you have the ANSI C header files. */
#define STDC_HEADERS 1
/* Define to 1 if your <sys/time.h> declares `struct tm'. */
/* #undef TM_IN_SYS_TIME */
/* Version number of package */
#define VERSION "0.9.3"
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/* $NiH: mkstemp.c,v 1.3 2006/04/23 14:51:45 wiz Exp $ */
/* Adapted from NetBSB libc by Dieter Baron */
/* NetBSD: gettemp.c,v 1.13 2003/12/05 00:57:36 uebayasi Exp */
/*
* Copyright (c) 1987, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <assert.h>
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#ifndef O_BINARY
#define O_BINARY 0
#endif
int
_zip_mkstemp(char *path)
{
int fd;
char *start, *trv;
struct stat sbuf;
pid_t pid;
/* To guarantee multiple calls generate unique names even if
the file is not created. 676 different possibilities with 7
or more X's, 26 with 6 or less. */
static char xtra[2] = "aa";
int xcnt = 0;
pid = getpid();
/* Move to end of path and count trailing X's. */
for (trv = path; *trv; ++trv)
if (*trv == 'X')
xcnt++;
else
xcnt = 0;
/* Use at least one from xtra. Use 2 if more than 6 X's. */
if (*(trv - 1) == 'X')
*--trv = xtra[0];
if (xcnt > 6 && *(trv - 1) == 'X')
*--trv = xtra[1];
/* Set remaining X's to pid digits with 0's to the left. */
while (*--trv == 'X') {
*trv = (pid % 10) + '0';
pid /= 10;
}
/* update xtra for next call. */
if (xtra[0] != 'z')
xtra[0]++;
else {
xtra[0] = 'a';
if (xtra[1] != 'z')
xtra[1]++;
else
xtra[1] = 'a';
}
/*
* check the target directory; if you have six X's and it
* doesn't exist this runs for a *very* long time.
*/
for (start = trv + 1;; --trv) {
if (trv <= path)
break;
if (*trv == '/') {
*trv = '\0';
if (stat(path, &sbuf))
return (0);
if (!S_ISDIR(sbuf.st_mode)) {
errno = ENOTDIR;
return (0);
}
*trv = '/';
break;
}
}
for (;;) {
if ((fd=open(path, O_CREAT|O_EXCL|O_RDWR|O_BINARY, 0600)) >= 0)
return (fd);
if (errno != EEXIST)
return (0);
/* tricky little algorithm for backward compatibility */
for (trv = start;;) {
if (!*trv)
return (0);
if (*trv == 'z')
*trv++ = 'a';
else {
if (isdigit((unsigned char)*trv))
*trv = 'a';
else
++*trv;
break;
}
}
}
/*NOTREACHED*/
}
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#ifndef _HAD_ZIP_H
#define _HAD_ZIP_H
/*
zip.h -- exported declarations.
Copyright (C) 1999-2008 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef ZIP_EXTERN
#ifdef _MSC_VER
#define ZIP_EXTERN __declspec(dllexport)
#else
#define ZIP_EXTERN
#endif
#endif
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/types.h>
#include <stdio.h>
#include <time.h>
/* flags for zip_open */
#define ZIP_CREATE 1
#define ZIP_EXCL 2
#define ZIP_CHECKCONS 4
/* flags for zip_name_locate, zip_fopen, zip_stat, ... */
#define ZIP_FL_NOCASE 1 /* ignore case on name lookup */
#define ZIP_FL_NODIR 2 /* ignore directory component */
#define ZIP_FL_COMPRESSED 4 /* read compressed data */
#define ZIP_FL_UNCHANGED 8 /* use original data, ignoring changes */
#define ZIP_FL_RECOMPRESS 16 /* force recompression of data */
/* archive global flags flags */
#define ZIP_AFL_TORRENT 1 /* torrent zipped */
/* libzip error codes */
#define ZIP_ER_OK 0 /* N No error */
#define ZIP_ER_MULTIDISK 1 /* N Multi-disk zip archives not supported */
#define ZIP_ER_RENAME 2 /* S Renaming temporary file failed */
#define ZIP_ER_CLOSE 3 /* S Closing zip archive failed */
#define ZIP_ER_SEEK 4 /* S Seek error */
#define ZIP_ER_READ 5 /* S Read error */
#define ZIP_ER_WRITE 6 /* S Write error */
#define ZIP_ER_CRC 7 /* N CRC error */
#define ZIP_ER_ZIPCLOSED 8 /* N Containing zip archive was closed */
#define ZIP_ER_NOENT 9 /* N No such file */
#define ZIP_ER_EXISTS 10 /* N File already exists */
#define ZIP_ER_OPEN 11 /* S Can't open file */
#define ZIP_ER_TMPOPEN 12 /* S Failure to create temporary file */
#define ZIP_ER_ZLIB 13 /* Z Zlib error */
#define ZIP_ER_MEMORY 14 /* N Malloc failure */
#define ZIP_ER_CHANGED 15 /* N Entry has been changed */
#define ZIP_ER_COMPNOTSUPP 16 /* N Compression method not supported */
#define ZIP_ER_EOF 17 /* N Premature EOF */
#define ZIP_ER_INVAL 18 /* N Invalid argument */
#define ZIP_ER_NOZIP 19 /* N Not a zip archive */
#define ZIP_ER_INTERNAL 20 /* N Internal error */
#define ZIP_ER_INCONS 21 /* N Zip archive inconsistent */
#define ZIP_ER_REMOVE 22 /* S Can't remove file */
#define ZIP_ER_DELETED 23 /* N Entry has been deleted */
/* type of system error value */
#define ZIP_ET_NONE 0 /* sys_err unused */
#define ZIP_ET_SYS 1 /* sys_err is errno */
#define ZIP_ET_ZLIB 2 /* sys_err is zlib error code */
/* compression methods */
#define ZIP_CM_DEFAULT -1 /* better of deflate or store */
#define ZIP_CM_STORE 0 /* stored (uncompressed) */
#define ZIP_CM_SHRINK 1 /* shrunk */
#define ZIP_CM_REDUCE_1 2 /* reduced with factor 1 */
#define ZIP_CM_REDUCE_2 3 /* reduced with factor 2 */
#define ZIP_CM_REDUCE_3 4 /* reduced with factor 3 */
#define ZIP_CM_REDUCE_4 5 /* reduced with factor 4 */
#define ZIP_CM_IMPLODE 6 /* imploded */
/* 7 - Reserved for Tokenizing compression algorithm */
#define ZIP_CM_DEFLATE 8 /* deflated */
#define ZIP_CM_DEFLATE64 9 /* deflate64 */
#define ZIP_CM_PKWARE_IMPLODE 10 /* PKWARE imploding */
/* 11 - Reserved by PKWARE */
#define ZIP_CM_BZIP2 12 /* compressed using BZIP2 algorithm */
/* 13 - Reserved by PKWARE */
#define ZIP_CM_LZMA 14 /* LZMA (EFS) */
/* 15-17 - Reserved by PKWARE */
#define ZIP_CM_TERSE 18 /* compressed using IBM TERSE (new) */
#define ZIP_CM_LZ77 19 /* IBM LZ77 z Architecture (PFS) */
#define ZIP_CM_WAVPACK 97 /* WavPack compressed data */
#define ZIP_CM_PPMD 98 /* PPMd version I, Rev 1 */
/* encryption methods */
#define ZIP_EM_NONE 0 /* not encrypted */
#define ZIP_EM_TRAD_PKWARE 1 /* traditional PKWARE encryption */
#if 0 /* Strong Encryption Header not parsed yet */
#define ZIP_EM_DES 0x6601 /* strong encryption: DES */
#define ZIP_EM_RC2_OLD 0x6602 /* strong encryption: RC2, version < 5.2 */
#define ZIP_EM_3DES_168 0x6603
#define ZIP_EM_3DES_112 0x6609
#define ZIP_EM_AES_128 0x660e
#define ZIP_EM_AES_192 0x660f
#define ZIP_EM_AES_256 0x6610
#define ZIP_EM_RC2 0x6702 /* strong encryption: RC2, version >= 5.2 */
#define ZIP_EM_RC4 0x6801
#endif
#define ZIP_EM_UNKNOWN 0xffff /* unknown algorithm */
enum zip_source_cmd {
ZIP_SOURCE_OPEN, /* prepare for reading */
ZIP_SOURCE_READ, /* read data */
ZIP_SOURCE_CLOSE, /* reading is done */
ZIP_SOURCE_STAT, /* get meta information */
ZIP_SOURCE_ERROR, /* get error information */
ZIP_SOURCE_FREE /* cleanup and free resources */
};
typedef ssize_t (*zip_source_callback)(void *state, void *data,
size_t len, enum zip_source_cmd cmd);
struct zip_stat {
const char *name; /* name of the file */
int index; /* index within archive */
unsigned int crc; /* crc of file data */
time_t mtime; /* modification time */
off_t size; /* size of file (uncompressed) */
off_t comp_size; /* size of file (compressed) */
unsigned short comp_method; /* compression method used */
unsigned short encryption_method; /* encryption method used */
};
struct zip;
struct zip_file;
struct zip_source;
ZIP_EXTERN int zip_add(struct zip *, const char *, struct zip_source *);
ZIP_EXTERN int zip_add_dir(struct zip *, const char *);
ZIP_EXTERN int zip_close(struct zip *);
ZIP_EXTERN int zip_delete(struct zip *, int);
ZIP_EXTERN void zip_error_clear(struct zip *);
ZIP_EXTERN void zip_error_get(struct zip *, int *, int *);
ZIP_EXTERN int zip_error_get_sys_type(int);
ZIP_EXTERN int zip_error_to_str(char *, size_t, int, int);
ZIP_EXTERN int zip_fclose(struct zip_file *);
ZIP_EXTERN void zip_file_error_clear(struct zip_file *);
ZIP_EXTERN void zip_file_error_get(struct zip_file *, int *, int *);
ZIP_EXTERN const char *zip_file_strerror(struct zip_file *);
ZIP_EXTERN struct zip_file *zip_fopen(struct zip *, const char *, int);
ZIP_EXTERN struct zip_file *zip_fopen_index(struct zip *, int, int);
ZIP_EXTERN ssize_t zip_fread(struct zip_file *, void *, size_t);
ZIP_EXTERN const char *zip_get_archive_comment(struct zip *, int *, int);
ZIP_EXTERN int zip_get_archive_flag(struct zip *, int, int);
ZIP_EXTERN const char *zip_get_file_comment(struct zip *, int, int *, int);
ZIP_EXTERN const char *zip_get_name(struct zip *, int, int);
ZIP_EXTERN int zip_get_num_files(struct zip *);
ZIP_EXTERN int zip_name_locate(struct zip *, const char *, int);
ZIP_EXTERN struct zip *zip_open(const char *, int, int *);
ZIP_EXTERN int zip_rename(struct zip *, int, const char *);
ZIP_EXTERN int zip_replace(struct zip *, int, struct zip_source *);
ZIP_EXTERN int zip_set_archive_comment(struct zip *, const char *, int);
ZIP_EXTERN int zip_set_archive_flag(struct zip *, int, int);
ZIP_EXTERN int zip_set_file_comment(struct zip *, int, const char *, int);
ZIP_EXTERN struct zip_source *zip_source_buffer(struct zip *, const void *,
off_t, int);
ZIP_EXTERN struct zip_source *zip_source_file(struct zip *, const char *,
off_t, off_t);
ZIP_EXTERN struct zip_source *zip_source_filep(struct zip *, FILE *,
off_t, off_t);
ZIP_EXTERN void zip_source_free(struct zip_source *);
ZIP_EXTERN struct zip_source *zip_source_function(struct zip *,
zip_source_callback, void *);
ZIP_EXTERN struct zip_source *zip_source_zip(struct zip *, struct zip *,
int, int, off_t, off_t);
ZIP_EXTERN int zip_stat(struct zip *, const char *, int, struct zip_stat *);
ZIP_EXTERN int zip_stat_index(struct zip *, int, int, struct zip_stat *);
ZIP_EXTERN void zip_stat_init(struct zip_stat *);
ZIP_EXTERN const char *zip_strerror(struct zip *);
ZIP_EXTERN int zip_unchange(struct zip *, int);
ZIP_EXTERN int zip_unchange_all(struct zip *);
ZIP_EXTERN int zip_unchange_archive(struct zip *);
#ifdef __cplusplus
}
#endif
#endif /* _HAD_ZIP_H */
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/*
zip_add.c -- add file via callback function
Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "zipint.h"
ZIP_EXTERN int
zip_add(struct zip *za, const char *name, struct zip_source *source)
{
if (name == NULL || source == NULL) {
_zip_error_set(&za->error, ZIP_ER_INVAL, 0);
return -1;
}
return _zip_replace(za, -1, name, source);
}
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/*
zip_add_dir.c -- add directory
Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include <string.h>
#include "zipint.h"
ZIP_EXTERN int
zip_add_dir(struct zip *za, const char *name)
{
int len, ret;
char *s;
struct zip_source *source;
if (name == NULL) {
_zip_error_set(&za->error, ZIP_ER_INVAL, 0);
return -1;
}
s = NULL;
len = strlen(name);
if (name[len-1] != '/') {
if ((s=(char *)malloc(len+2)) == NULL) {
_zip_error_set(&za->error, ZIP_ER_MEMORY, 0);
return -1;
}
strcpy(s, name);
s[len] = '/';
s[len+1] = '\0';
}
if ((source=zip_source_buffer(za, NULL, 0, 0)) == NULL) {
free(s);
return -1;
}
ret = _zip_replace(za, -1, s ? s : name, source);
free(s);
if (ret < 0)
zip_source_free(source);
return ret;
}
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/*
zip_close.c -- close zip archive and update changes
Copyright (C) 1999-2008 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "zipint.h"
static int add_data(struct zip *, struct zip_source *, struct zip_dirent *,
FILE *);
static int add_data_comp(zip_source_callback, void *, struct zip_stat *,
FILE *, struct zip_error *);
static int add_data_uncomp(struct zip *, zip_source_callback, void *,
struct zip_stat *, FILE *);
static void ch_set_error(struct zip_error *, zip_source_callback, void *);
static int copy_data(FILE *, off_t, FILE *, struct zip_error *);
static int write_cdir(struct zip *, struct zip_cdir *, FILE *);
static int _zip_cdir_set_comment(struct zip_cdir *, struct zip *);
static int _zip_changed(struct zip *, int *);
static char *_zip_create_temp_output(struct zip *, FILE **);
static int _zip_torrentzip_cmp(const void *, const void *);
struct filelist {
int idx;
const char *name;
};
ZIP_EXTERN int
zip_close(struct zip *za)
{
int survivors;
int i, j, error;
char *temp;
FILE *out;
mode_t mask;
struct zip_cdir *cd;
struct zip_dirent de;
struct filelist *filelist;
int reopen_on_error;
int new_torrentzip;
reopen_on_error = 0;
if (za == NULL)
return -1;
if (!_zip_changed(za, &survivors)) {
_zip_free(za);
return 0;
}
/* don't create zip files with no entries */
if (survivors == 0) {
if (za->zn && za->zp) {
if (remove(za->zn) != 0) {
_zip_error_set(&za->error, ZIP_ER_REMOVE, errno);
return -1;
}
}
_zip_free(za);
return 0;
}
if ((filelist=(struct filelist *)malloc(sizeof(filelist[0])*survivors))
== NULL)
return -1;
if ((cd=_zip_cdir_new(survivors, &za->error)) == NULL) {
free(filelist);
return -1;
}
for (i=0; i<survivors; i++)
_zip_dirent_init(&cd->entry[i]);
/* archive comment is special for torrentzip */
if (zip_get_archive_flag(za, ZIP_AFL_TORRENT, 0)) {
cd->comment = _zip_memdup(TORRENT_SIG "XXXXXXXX",
TORRENT_SIG_LEN + TORRENT_CRC_LEN,
&za->error);
if (cd->comment == NULL) {
_zip_cdir_free(cd);
free(filelist);
return -1;
}
cd->comment_len = TORRENT_SIG_LEN + TORRENT_CRC_LEN;
}
else if (zip_get_archive_flag(za, ZIP_AFL_TORRENT, ZIP_FL_UNCHANGED) == 0) {
if (_zip_cdir_set_comment(cd, za) == -1) {
_zip_cdir_free(cd);
free(filelist);
return -1;
}
}
if ((temp=_zip_create_temp_output(za, &out)) == NULL) {
_zip_cdir_free(cd);
free(filelist);
return -1;
}
/* create list of files with index into original archive */
for (i=j=0; i<za->nentry; i++) {
if (za->entry[i].state == ZIP_ST_DELETED)
continue;
filelist[j].idx = i;
filelist[j].name = zip_get_name(za, i, 0);
j++;
}
if (zip_get_archive_flag(za, ZIP_AFL_TORRENT, 0))
qsort(filelist, survivors, sizeof(filelist[0]),
_zip_torrentzip_cmp);
new_torrentzip = (zip_get_archive_flag(za, ZIP_AFL_TORRENT, 0) == 1
&& zip_get_archive_flag(za, ZIP_AFL_TORRENT,
ZIP_FL_UNCHANGED) == 0);
error = 0;
for (j=0; j<survivors; j++) {
i = filelist[j].idx;
/* create new local directory entry */
if (ZIP_ENTRY_DATA_CHANGED(za->entry+i) || new_torrentzip) {
_zip_dirent_init(&de);
if (zip_get_archive_flag(za, ZIP_AFL_TORRENT, 0))
_zip_dirent_torrent_normalize(&de);
/* use it as central directory entry */
memcpy(cd->entry+j, &de, sizeof(cd->entry[j]));
/* set/update file name */
if (za->entry[i].ch_filename == NULL) {
if (za->entry[i].state == ZIP_ST_ADDED) {
de.filename = strdup("-");
de.filename_len = 1;
cd->entry[j].filename = "-";
cd->entry[j].filename_len = 1;
}
else {
de.filename = strdup(za->cdir->entry[i].filename);
de.filename_len = strlen(de.filename);
cd->entry[j].filename = za->cdir->entry[i].filename;
cd->entry[j].filename_len = de.filename_len;
}
}
}
else {
/* copy existing directory entries */
if (fseeko(za->zp, za->cdir->entry[i].offset, SEEK_SET) != 0) {
_zip_error_set(&za->error, ZIP_ER_SEEK, errno);
error = 1;
break;
}
if (_zip_dirent_read(&de, za->zp, NULL, NULL, 1,
&za->error) != 0) {
error = 1;
break;
}
memcpy(cd->entry+j, za->cdir->entry+i, sizeof(cd->entry[j]));
if (de.bitflags & ZIP_GPBF_DATA_DESCRIPTOR) {
de.crc = za->cdir->entry[i].crc;
de.comp_size = za->cdir->entry[i].comp_size;
de.uncomp_size = za->cdir->entry[i].uncomp_size;
de.bitflags &= ~ZIP_GPBF_DATA_DESCRIPTOR;
cd->entry[j].bitflags &= ~ZIP_GPBF_DATA_DESCRIPTOR;
}
}
if (za->entry[i].ch_filename) {
free(de.filename);
if ((de.filename=strdup(za->entry[i].ch_filename)) == NULL) {
error = 1;
break;
}
de.filename_len = strlen(de.filename);
cd->entry[j].filename = za->entry[i].ch_filename;
cd->entry[j].filename_len = de.filename_len;
}
if (zip_get_archive_flag(za, ZIP_AFL_TORRENT, 0) == 0
&& za->entry[i].ch_comment_len != -1) {
/* as the rest of cd entries, its malloc/free is done by za */
cd->entry[j].comment = za->entry[i].ch_comment;
cd->entry[j].comment_len = za->entry[i].ch_comment_len;
}
cd->entry[j].offset = ftello(out);
if (ZIP_ENTRY_DATA_CHANGED(za->entry+i) || new_torrentzip) {
struct zip_source *zs;
zs = NULL;
if (!ZIP_ENTRY_DATA_CHANGED(za->entry+i)) {
if ((zs=zip_source_zip(za, za, i, ZIP_FL_RECOMPRESS, 0, -1))
== NULL) {
error = 1;
break;
}
}
if (add_data(za, zs ? zs : za->entry[i].source, &de, out) < 0) {
error = 1;
break;
}
cd->entry[j].last_mod = de.last_mod;
cd->entry[j].comp_method = de.comp_method;
cd->entry[j].comp_size = de.comp_size;
cd->entry[j].uncomp_size = de.uncomp_size;
cd->entry[j].crc = de.crc;
}
else {
if (_zip_dirent_write(&de, out, 1, &za->error) < 0) {
error = 1;
break;
}
/* we just read the local dirent, file is at correct position */
if (copy_data(za->zp, cd->entry[j].comp_size, out,
&za->error) < 0) {
error = 1;
break;
}
}
_zip_dirent_finalize(&de);
}
free(filelist);
if (!error) {
if (write_cdir(za, cd, out) < 0)
error = 1;
}
/* pointers in cd entries are owned by za */
cd->nentry = 0;
_zip_cdir_free(cd);
if (error) {
_zip_dirent_finalize(&de);
fclose(out);
remove(temp);
free(temp);
return -1;
}
if (fclose(out) != 0) {
_zip_error_set(&za->error, ZIP_ER_CLOSE, errno);
remove(temp);
free(temp);
return -1;
}
if (za->zp) {
fclose(za->zp);
za->zp = NULL;
reopen_on_error = 1;
}
if (_zip_rename(temp, za->zn) != 0) {
_zip_error_set(&za->error, ZIP_ER_RENAME, errno);
remove(temp);
free(temp);
if (reopen_on_error) {
/* ignore errors, since we're already in an error case */
za->zp = fopen(za->zn, "rb");
}
return -1;
}
mask = umask(0);
umask(mask);
chmod(za->zn, 0666&~mask);
_zip_free(za);
free(temp);
return 0;
}
static int
add_data(struct zip *za, struct zip_source *zs, struct zip_dirent *de, FILE *ft)
{
off_t offstart, offend;
zip_source_callback cb;
void *ud;
struct zip_stat st;
cb = zs->f;
ud = zs->ud;
if (cb(ud, &st, sizeof(st), ZIP_SOURCE_STAT) < (ssize_t)sizeof(st)) {
ch_set_error(&za->error, cb, ud);
return -1;
}
if (cb(ud, NULL, 0, ZIP_SOURCE_OPEN) < 0) {
ch_set_error(&za->error, cb, ud);
return -1;
}
offstart = ftello(ft);
if (_zip_dirent_write(de, ft, 1, &za->error) < 0)
return -1;
if (st.comp_method != ZIP_CM_STORE) {
if (add_data_comp(cb, ud, &st, ft, &za->error) < 0)
return -1;
}
else {
if (add_data_uncomp(za, cb, ud, &st, ft) < 0)
return -1;
}
if (cb(ud, NULL, 0, ZIP_SOURCE_CLOSE) < 0) {
ch_set_error(&za->error, cb, ud);
return -1;
}
offend = ftello(ft);
if (fseeko(ft, offstart, SEEK_SET) < 0) {
_zip_error_set(&za->error, ZIP_ER_SEEK, errno);
return -1;
}
de->last_mod = st.mtime;
de->comp_method = st.comp_method;
de->crc = st.crc;
de->uncomp_size = st.size;
de->comp_size = st.comp_size;
if (zip_get_archive_flag(za, ZIP_AFL_TORRENT, 0))
_zip_dirent_torrent_normalize(de);
if (_zip_dirent_write(de, ft, 1, &za->error) < 0)
return -1;
if (fseeko(ft, offend, SEEK_SET) < 0) {
_zip_error_set(&za->error, ZIP_ER_SEEK, errno);
return -1;
}
return 0;
}
static int
add_data_comp(zip_source_callback cb, void *ud, struct zip_stat *st,FILE *ft,
struct zip_error *error)
{
char buf[BUFSIZE];
ssize_t n;
st->comp_size = 0;
while ((n=cb(ud, buf, sizeof(buf), ZIP_SOURCE_READ)) > 0) {
if (fwrite(buf, 1, n, ft) != (size_t)n) {
_zip_error_set(error, ZIP_ER_WRITE, errno);
return -1;
}
st->comp_size += n;
}
if (n < 0) {
ch_set_error(error, cb, ud);
return -1;
}
return 0;
}
static int
add_data_uncomp(struct zip *za, zip_source_callback cb, void *ud,
struct zip_stat *st, FILE *ft)
{
char b1[BUFSIZE], b2[BUFSIZE];
int end, flush, ret;
ssize_t n;
size_t n2;
z_stream zstr;
int mem_level;
st->comp_method = ZIP_CM_DEFLATE;
st->comp_size = st->size = 0;
st->crc = crc32(0, NULL, 0);
zstr.zalloc = Z_NULL;
zstr.zfree = Z_NULL;
zstr.opaque = NULL;
zstr.avail_in = 0;
zstr.avail_out = 0;
if (zip_get_archive_flag(za, ZIP_AFL_TORRENT, 0))
mem_level = TORRENT_MEM_LEVEL;
else
mem_level = MAX_MEM_LEVEL;
/* -MAX_WBITS: undocumented feature of zlib to _not_ write a zlib header */
deflateInit2(&zstr, Z_BEST_COMPRESSION, Z_DEFLATED, -MAX_WBITS, mem_level,
Z_DEFAULT_STRATEGY);
zstr.next_out = (Bytef *)b2;
zstr.avail_out = sizeof(b2);
zstr.next_in = NULL;
zstr.avail_in = 0;
flush = 0;
end = 0;
while (!end) {
if (zstr.avail_in == 0 && !flush) {
if ((n=cb(ud, b1, sizeof(b1), ZIP_SOURCE_READ)) < 0) {
ch_set_error(&za->error, cb, ud);
deflateEnd(&zstr);
return -1;
}
if (n > 0) {
zstr.avail_in = n;
zstr.next_in = (Bytef *)b1;
st->size += n;
st->crc = crc32(st->crc, (Bytef *)b1, n);
}
else
flush = Z_FINISH;
}
ret = deflate(&zstr, flush);
if (ret != Z_OK && ret != Z_STREAM_END) {
_zip_error_set(&za->error, ZIP_ER_ZLIB, ret);
return -1;
}
if (zstr.avail_out != sizeof(b2)) {
n2 = sizeof(b2) - zstr.avail_out;
if (fwrite(b2, 1, n2, ft) != n2) {
_zip_error_set(&za->error, ZIP_ER_WRITE, errno);
return -1;
}
zstr.next_out = (Bytef *)b2;
zstr.avail_out = sizeof(b2);
st->comp_size += n2;
}
if (ret == Z_STREAM_END) {
deflateEnd(&zstr);
end = 1;
}
}
return 0;
}
static void
ch_set_error(struct zip_error *error, zip_source_callback cb, void *ud)
{
int e[2];
if ((cb(ud, e, sizeof(e), ZIP_SOURCE_ERROR)) < (ssize_t)sizeof(e)) {
error->zip_err = ZIP_ER_INTERNAL;
error->sys_err = 0;
}
else {
error->zip_err = e[0];
error->sys_err = e[1];
}
}
static int
copy_data(FILE *fs, off_t len, FILE *ft, struct zip_error *error)
{
char buf[BUFSIZE];
int n, nn;
if (len == 0)
return 0;
while (len > 0) {
nn = len > sizeof(buf) ? sizeof(buf) : len;
if ((n=fread(buf, 1, nn, fs)) < 0) {
_zip_error_set(error, ZIP_ER_READ, errno);
return -1;
}
else if (n == 0) {
_zip_error_set(error, ZIP_ER_EOF, 0);
return -1;
}
if (fwrite(buf, 1, n, ft) != (size_t)n) {
_zip_error_set(error, ZIP_ER_WRITE, errno);
return -1;
}
len -= n;
}
return 0;
}
static int
write_cdir(struct zip *za, struct zip_cdir *cd, FILE *out)
{
off_t offset;
uLong crc;
char buf[TORRENT_CRC_LEN+1];
if (_zip_cdir_write(cd, out, &za->error) < 0)
return -1;
if (zip_get_archive_flag(za, ZIP_AFL_TORRENT, 0) == 0)
return 0;
/* fix up torrentzip comment */
offset = ftello(out);
if (_zip_filerange_crc(out, cd->offset, cd->size, &crc, &za->error) < 0)
return -1;
snprintf(buf, sizeof(buf), "%08lX", (long)crc);
if (fseeko(out, offset-TORRENT_CRC_LEN, SEEK_SET) < 0) {
_zip_error_set(&za->error, ZIP_ER_SEEK, errno);
return -1;
}
if (fwrite(buf, TORRENT_CRC_LEN, 1, out) != 1) {
_zip_error_set(&za->error, ZIP_ER_WRITE, errno);
return -1;
}
return 0;
}
static int
_zip_cdir_set_comment(struct zip_cdir *dest, struct zip *src)
{
if (src->ch_comment_len != -1) {
dest->comment = _zip_memdup(src->ch_comment,
src->ch_comment_len, &src->error);
if (dest->comment == NULL)
return -1;
dest->comment_len = src->ch_comment_len;
} else {
if (src->cdir && src->cdir->comment) {
dest->comment = _zip_memdup(src->cdir->comment,
src->cdir->comment_len, &src->error);
if (dest->comment == NULL)
return -1;
dest->comment_len = src->cdir->comment_len;
}
}
return 0;
}
static int
_zip_changed(struct zip *za, int *survivorsp)
{
int changed, i, survivors;
changed = survivors = 0;
if (za->ch_comment_len != -1
|| za->ch_flags != za->flags)
changed = 1;
for (i=0; i<za->nentry; i++) {
if ((za->entry[i].state != ZIP_ST_UNCHANGED)
|| (za->entry[i].ch_comment_len != -1))
changed = 1;
if (za->entry[i].state != ZIP_ST_DELETED)
survivors++;
}
*survivorsp = survivors;
return changed;
}
static char *
_zip_create_temp_output(struct zip *za, FILE **outp)
{
char *temp;
int tfd;
FILE *tfp;
if ((temp=(char *)malloc(strlen(za->zn)+8)) == NULL) {
_zip_error_set(&za->error, ZIP_ER_MEMORY, 0);
return NULL;
}
sprintf(temp, "%s.XXXXXX", za->zn);
if ((tfd=mkstemp(temp)) == -1) {
_zip_error_set(&za->error, ZIP_ER_TMPOPEN, errno);
free(temp);
return NULL;
}
if ((tfp=fdopen(tfd, "r+b")) == NULL) {
_zip_error_set(&za->error, ZIP_ER_TMPOPEN, errno);
close(tfd);
remove(temp);
free(temp);
return NULL;
}
*outp = tfp;
return temp;
}
static int
_zip_torrentzip_cmp(const void *a, const void *b)
{
return strcasecmp(((const struct filelist *)a)->name,
((const struct filelist *)b)->name);
}
+58
View File
@@ -0,0 +1,58 @@
/*
zip_delete.c -- delete file from zip archive
Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "zipint.h"
ZIP_EXTERN int
zip_delete(struct zip *za, int idx)
{
if (idx < 0 || idx >= za->nentry) {
_zip_error_set(&za->error, ZIP_ER_INVAL, 0);
return -1;
}
/* allow duplicate file names, because the file will
* be removed directly afterwards */
if (_zip_unchange(za, idx, 1) != 0)
return -1;
za->entry[idx].state = ZIP_ST_DELETED;
return 0;
}
+615
View File
@@ -0,0 +1,615 @@
/*
zip_dirent.c -- read directory entry (local or central), clean dirent
Copyright (C) 1999-2008 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "zipint.h"
static time_t _zip_d2u_time(int, int);
static char *_zip_readfpstr(FILE *, unsigned int, int, struct zip_error *);
static char *_zip_readstr(unsigned char **, int, int, struct zip_error *);
static void _zip_u2d_time(time_t, unsigned short *, unsigned short *);
static void _zip_write2(unsigned short, FILE *);
static void _zip_write4(unsigned int, FILE *);
void
_zip_cdir_free(struct zip_cdir *cd)
{
int i;
if (!cd)
return;
for (i=0; i<cd->nentry; i++)
_zip_dirent_finalize(cd->entry+i);
free(cd->comment);
free(cd->entry);
free(cd);
}
int
_zip_cdir_grow(struct zip_cdir *cd, int nentry, struct zip_error *error)
{
struct zip_dirent *entry;
if (nentry < cd->nentry) {
_zip_error_set(error, ZIP_ER_INTERNAL, 0);
return -1;
}
if ((entry=((struct zip_dirent *)
realloc(cd->entry, sizeof(*(cd->entry))*nentry))) == NULL) {
_zip_error_set(error, ZIP_ER_MEMORY, 0);
return -1;
}
cd->nentry = nentry;
cd->entry = entry;
return 0;
}
struct zip_cdir *
_zip_cdir_new(int nentry, struct zip_error *error)
{
struct zip_cdir *cd;
if ((cd=(struct zip_cdir *)malloc(sizeof(*cd))) == NULL) {
_zip_error_set(error, ZIP_ER_MEMORY, 0);
return NULL;
}
if ((cd->entry=(struct zip_dirent *)malloc(sizeof(*(cd->entry))*nentry))
== NULL) {
_zip_error_set(error, ZIP_ER_MEMORY, 0);
free(cd);
return NULL;
}
/* entries must be initialized by caller */
cd->nentry = nentry;
cd->size = cd->offset = 0;
cd->comment = NULL;
cd->comment_len = 0;
return cd;
}
int
_zip_cdir_write(struct zip_cdir *cd, FILE *fp, struct zip_error *error)
{
int i;
cd->offset = ftello(fp);
for (i=0; i<cd->nentry; i++) {
if (_zip_dirent_write(cd->entry+i, fp, 0, error) != 0)
return -1;
}
cd->size = ftello(fp) - cd->offset;
/* clearerr(fp); */
fwrite(EOCD_MAGIC, 1, 4, fp);
_zip_write4(0, fp);
_zip_write2((unsigned short)cd->nentry, fp);
_zip_write2((unsigned short)cd->nentry, fp);
_zip_write4(cd->size, fp);
_zip_write4(cd->offset, fp);
_zip_write2(cd->comment_len, fp);
fwrite(cd->comment, 1, cd->comment_len, fp);
if (ferror(fp)) {
_zip_error_set(error, ZIP_ER_WRITE, errno);
return -1;
}
return 0;
}
void
_zip_dirent_finalize(struct zip_dirent *zde)
{
free(zde->filename);
zde->filename = NULL;
free(zde->extrafield);
zde->extrafield = NULL;
free(zde->comment);
zde->comment = NULL;
}
void
_zip_dirent_init(struct zip_dirent *de)
{
de->version_madeby = 0;
de->version_needed = 20; /* 2.0 */
de->bitflags = 0;
de->comp_method = 0;
de->last_mod = 0;
de->crc = 0;
de->comp_size = 0;
de->uncomp_size = 0;
de->filename = NULL;
de->filename_len = 0;
de->extrafield = NULL;
de->extrafield_len = 0;
de->comment = NULL;
de->comment_len = 0;
de->disk_number = 0;
de->int_attrib = 0;
de->ext_attrib = 0;
de->offset = 0;
}
/* _zip_dirent_read(zde, fp, bufp, left, localp, error):
Fills the zip directory entry zde.
If bufp is non-NULL, data is taken from there and bufp is advanced
by the amount of data used; otherwise data is read from fp as needed.
if leftp is non-NULL, no more bytes than specified by it are used,
and *leftp is reduced by the number of bytes used.
If local != 0, it reads a local header instead of a central
directory entry.
Returns 0 if successful. On error, error is filled in and -1 is
returned.
XXX: leftp and file position undefined on error.
*/
int
_zip_dirent_read(struct zip_dirent *zde, FILE *fp,
unsigned char **bufp, unsigned int *leftp, int local,
struct zip_error *error)
{
unsigned char buf[CDENTRYSIZE];
unsigned char *cur;
unsigned short dostime, dosdate;
unsigned int size;
if (local)
size = LENTRYSIZE;
else
size = CDENTRYSIZE;
if (leftp && (*leftp < size)) {
_zip_error_set(error, ZIP_ER_NOZIP, 0);
return -1;
}
if (bufp) {
/* use data from buffer */
cur = *bufp;
}
else {
/* read entry from disk */
if ((fread(buf, 1, size, fp)<size)) {
_zip_error_set(error, ZIP_ER_READ, errno);
return -1;
}
cur = buf;
}
if (memcmp(cur, (local ? LOCAL_MAGIC : CENTRAL_MAGIC), 4) != 0) {
_zip_error_set(error, ZIP_ER_NOZIP, 0);
return -1;
}
cur += 4;
/* convert buffercontents to zip_dirent */
if (!local)
zde->version_madeby = _zip_read2(&cur);
else
zde->version_madeby = 0;
zde->version_needed = _zip_read2(&cur);
zde->bitflags = _zip_read2(&cur);
zde->comp_method = _zip_read2(&cur);
/* convert to time_t */
dostime = _zip_read2(&cur);
dosdate = _zip_read2(&cur);
zde->last_mod = _zip_d2u_time(dostime, dosdate);
zde->crc = _zip_read4(&cur);
zde->comp_size = _zip_read4(&cur);
zde->uncomp_size = _zip_read4(&cur);
zde->filename_len = _zip_read2(&cur);
zde->extrafield_len = _zip_read2(&cur);
if (local) {
zde->comment_len = 0;
zde->disk_number = 0;
zde->int_attrib = 0;
zde->ext_attrib = 0;
zde->offset = 0;
} else {
zde->comment_len = _zip_read2(&cur);
zde->disk_number = _zip_read2(&cur);
zde->int_attrib = _zip_read2(&cur);
zde->ext_attrib = _zip_read4(&cur);
zde->offset = _zip_read4(&cur);
}
zde->filename = NULL;
zde->extrafield = NULL;
zde->comment = NULL;
size += zde->filename_len+zde->extrafield_len+zde->comment_len;
if (leftp && (*leftp < size)) {
_zip_error_set(error, ZIP_ER_NOZIP, 0);
return -1;
}
if (bufp) {
if (zde->filename_len) {
zde->filename = _zip_readstr(&cur, zde->filename_len, 1, error);
if (!zde->filename)
return -1;
}
if (zde->extrafield_len) {
zde->extrafield = _zip_readstr(&cur, zde->extrafield_len, 0,
error);
if (!zde->extrafield)
return -1;
}
if (zde->comment_len) {
zde->comment = _zip_readstr(&cur, zde->comment_len, 0, error);
if (!zde->comment)
return -1;
}
}
else {
if (zde->filename_len) {
zde->filename = _zip_readfpstr(fp, zde->filename_len, 1, error);
if (!zde->filename)
return -1;
}
if (zde->extrafield_len) {
zde->extrafield = _zip_readfpstr(fp, zde->extrafield_len, 0,
error);
if (!zde->extrafield)
return -1;
}
if (zde->comment_len) {
zde->comment = _zip_readfpstr(fp, zde->comment_len, 0, error);
if (!zde->comment)
return -1;
}
}
if (bufp)
*bufp = cur;
if (leftp)
*leftp -= size;
return 0;
}
/* _zip_dirent_torrent_normalize(de);
Set values suitable for torrentzip.
*/
void
_zip_dirent_torrent_normalize(struct zip_dirent *de)
{
static struct tm torrenttime;
static time_t last_mod = 0;
if (last_mod == 0) {
#ifdef HAVE_STRUCT_TM_TM_ZONE
time_t now;
struct tm *l;
#endif
torrenttime.tm_sec = 0;
torrenttime.tm_min = 32;
torrenttime.tm_hour = 23;
torrenttime.tm_mday = 24;
torrenttime.tm_mon = 11;
torrenttime.tm_year = 96;
torrenttime.tm_wday = 0;
torrenttime.tm_yday = 0;
torrenttime.tm_isdst = 0;
#ifdef HAVE_STRUCT_TM_TM_ZONE
time(&now);
l = localtime(&now);
torrenttime.tm_gmtoff = l->tm_gmtoff;
torrenttime.tm_zone = l->tm_zone;
#endif
last_mod = mktime(&torrenttime);
}
de->version_madeby = 0;
de->version_needed = 20; /* 2.0 */
de->bitflags = 2; /* maximum compression */
de->comp_method = ZIP_CM_DEFLATE;
de->last_mod = last_mod;
de->disk_number = 0;
de->int_attrib = 0;
de->ext_attrib = 0;
de->offset = 0;
free(de->extrafield);
de->extrafield = NULL;
de->extrafield_len = 0;
free(de->comment);
de->comment = NULL;
de->comment_len = 0;
}
/* _zip_dirent_write(zde, fp, localp, error):
Writes zip directory entry zde to file fp.
If localp != 0, it writes a local header instead of a central
directory entry.
Returns 0 if successful. On error, error is filled in and -1 is
returned.
*/
int
_zip_dirent_write(struct zip_dirent *zde, FILE *fp, int localp,
struct zip_error *error)
{
unsigned short dostime, dosdate;
fwrite(localp ? LOCAL_MAGIC : CENTRAL_MAGIC, 1, 4, fp);
if (!localp)
_zip_write2(zde->version_madeby, fp);
_zip_write2(zde->version_needed, fp);
_zip_write2(zde->bitflags, fp);
_zip_write2(zde->comp_method, fp);
_zip_u2d_time(zde->last_mod, &dostime, &dosdate);
_zip_write2(dostime, fp);
_zip_write2(dosdate, fp);
_zip_write4(zde->crc, fp);
_zip_write4(zde->comp_size, fp);
_zip_write4(zde->uncomp_size, fp);
_zip_write2(zde->filename_len, fp);
_zip_write2(zde->extrafield_len, fp);
if (!localp) {
_zip_write2(zde->comment_len, fp);
_zip_write2(zde->disk_number, fp);
_zip_write2(zde->int_attrib, fp);
_zip_write4(zde->ext_attrib, fp);
_zip_write4(zde->offset, fp);
}
if (zde->filename_len)
fwrite(zde->filename, 1, zde->filename_len, fp);
if (zde->extrafield_len)
fwrite(zde->extrafield, 1, zde->extrafield_len, fp);
if (!localp) {
if (zde->comment_len)
fwrite(zde->comment, 1, zde->comment_len, fp);
}
if (ferror(fp)) {
_zip_error_set(error, ZIP_ER_WRITE, errno);
return -1;
}
return 0;
}
static time_t
_zip_d2u_time(int dtime, int ddate)
{
struct tm tm;
memset(&tm, sizeof(tm), 0);
/* let mktime decide if DST is in effect */
tm.tm_isdst = -1;
tm.tm_year = ((ddate>>9)&127) + 1980 - 1900;
tm.tm_mon = ((ddate>>5)&15) - 1;
tm.tm_mday = ddate&31;
tm.tm_hour = (dtime>>11)&31;
tm.tm_min = (dtime>>5)&63;
tm.tm_sec = (dtime<<1)&62;
return mktime(&tm);
}
unsigned short
_zip_read2(unsigned char **a)
{
unsigned short ret;
ret = (*a)[0]+((*a)[1]<<8);
*a += 2;
return ret;
}
unsigned int
_zip_read4(unsigned char **a)
{
unsigned int ret;
ret = ((((((*a)[3]<<8)+(*a)[2])<<8)+(*a)[1])<<8)+(*a)[0];
*a += 4;
return ret;
}
static char *
_zip_readfpstr(FILE *fp, unsigned int len, int nulp, struct zip_error *error)
{
char *r, *o;
r = (char *)malloc(nulp ? len+1 : len);
if (!r) {
_zip_error_set(error, ZIP_ER_MEMORY, 0);
return NULL;
}
if (fread(r, 1, len, fp)<len) {
free(r);
_zip_error_set(error, ZIP_ER_READ, errno);
return NULL;
}
if (nulp) {
/* replace any in-string NUL characters with spaces */
r[len] = 0;
for (o=r; o<r+len; o++)
if (*o == '\0')
*o = ' ';
}
return r;
}
static char *
_zip_readstr(unsigned char **buf, int len, int nulp, struct zip_error *error)
{
char *r, *o;
r = (char *)malloc(nulp ? len+1 : len);
if (!r) {
_zip_error_set(error, ZIP_ER_MEMORY, 0);
return NULL;
}
memcpy(r, *buf, len);
*buf += len;
if (nulp) {
/* replace any in-string NUL characters with spaces */
r[len] = 0;
for (o=r; o<r+len; o++)
if (*o == '\0')
*o = ' ';
}
return r;
}
static void
_zip_write2(unsigned short i, FILE *fp)
{
putc(i&0xff, fp);
putc((i>>8)&0xff, fp);
return;
}
static void
_zip_write4(unsigned int i, FILE *fp)
{
putc(i&0xff, fp);
putc((i>>8)&0xff, fp);
putc((i>>16)&0xff, fp);
putc((i>>24)&0xff, fp);
return;
}
static void
_zip_u2d_time(time_t time, unsigned short *dtime, unsigned short *ddate)
{
struct tm *tm;
tm = localtime(&time);
*ddate = ((tm->tm_year+1900-1980)<<9) + ((tm->tm_mon+1)<<5)
+ tm->tm_mday;
*dtime = ((tm->tm_hour)<<11) + ((tm->tm_min)<<5)
+ ((tm->tm_sec)>>1);
return;
}
+52
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@@ -0,0 +1,52 @@
/*
zip_entry_free.c -- free struct zip_entry
Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include "zipint.h"
void
_zip_entry_free(struct zip_entry *ze)
{
free(ze->ch_filename);
ze->ch_filename = NULL;
free(ze->ch_comment);
ze->ch_comment = NULL;
ze->ch_comment_len = -1;
_zip_unchange_data(ze);
}
+78
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/*
zip_entry_new.c -- create and init struct zip_entry
Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include "zipint.h"
struct zip_entry *
_zip_entry_new(struct zip *za)
{
struct zip_entry *ze;
if (!za) {
ze = (struct zip_entry *)malloc(sizeof(struct zip_entry));
if (!ze) {
_zip_error_set(&za->error, ZIP_ER_MEMORY, 0);
return NULL;
}
}
else {
if (za->nentry >= za->nentry_alloc-1) {
za->nentry_alloc += 16;
za->entry = (struct zip_entry *)realloc(za->entry,
sizeof(struct zip_entry)
* za->nentry_alloc);
if (!za->entry) {
_zip_error_set(&za->error, ZIP_ER_MEMORY, 0);
return NULL;
}
}
ze = za->entry+za->nentry;
}
ze->state = ZIP_ST_UNCHANGED;
ze->ch_filename = NULL;
ze->ch_comment = NULL;
ze->ch_comment_len = -1;
ze->source = NULL;
if (za)
za->nentry++;
return ze;
}
+68
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@@ -0,0 +1,68 @@
/*
This file was generated automatically by ./make_zip_err_str.sh
from ./zip.h; make changes there.
*/
#include "zipint.h"
const char * const _zip_err_str[] = {
"No error",
"Multi-disk zip archives not supported",
"Renaming temporary file failed",
"Closing zip archive failed",
"Seek error",
"Read error",
"Write error",
"CRC error",
"Containing zip archive was closed",
"No such file",
"File already exists",
"Can't open file",
"Failure to create temporary file",
"Zlib error",
"Malloc failure",
"Entry has been changed",
"Compression method not supported",
"Premature EOF",
"Invalid argument",
"Not a zip archive",
"Internal error",
"Zip archive inconsistent",
"Can't remove file",
"Entry has been deleted",
};
const int _zip_nerr_str = sizeof(_zip_err_str)/sizeof(_zip_err_str[0]);
#define N ZIP_ET_NONE
#define S ZIP_ET_SYS
#define Z ZIP_ET_ZLIB
const int _zip_err_type[] = {
N,
N,
S,
S,
S,
S,
S,
N,
N,
N,
N,
S,
S,
Z,
N,
N,
N,
N,
N,
N,
N,
N,
S,
N,
};
+101
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@@ -0,0 +1,101 @@
/*
zip_error.c -- struct zip_error helper functions
Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include "zipint.h"
void
_zip_error_clear(struct zip_error *err)
{
err->zip_err = ZIP_ER_OK;
err->sys_err = 0;
}
void
_zip_error_copy(struct zip_error *dst, struct zip_error *src)
{
dst->zip_err = src->zip_err;
dst->sys_err = src->sys_err;
}
void
_zip_error_fini(struct zip_error *err)
{
free(err->str);
err->str = NULL;
}
void
_zip_error_get(struct zip_error *err, int *zep, int *sep)
{
if (zep)
*zep = err->zip_err;
if (sep) {
if (zip_error_get_sys_type(err->zip_err) != ZIP_ET_NONE)
*sep = err->sys_err;
else
*sep = 0;
}
}
void
_zip_error_init(struct zip_error *err)
{
err->zip_err = ZIP_ER_OK;
err->sys_err = 0;
err->str = NULL;
}
void
_zip_error_set(struct zip_error *err, int ze, int se)
{
if (err) {
err->zip_err = ze;
err->sys_err = se;
}
}
+44
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@@ -0,0 +1,44 @@
/*
zip_error_clear.c -- clear zip error
Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "zipint.h"
ZIP_EXTERN void
zip_error_clear(struct zip *za)
{
_zip_error_clear(&za->error);
}
+44
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@@ -0,0 +1,44 @@
/*
zip_error_get.c -- get zip error
Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "zipint.h"
ZIP_EXTERN void
zip_error_get(struct zip *za, int *zep, int *sep)
{
_zip_error_get(&za->error, zep, sep);
}
+47
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@@ -0,0 +1,47 @@
/*
zip_error_get_sys_type.c -- return type of system error code
Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "zipint.h"
ZIP_EXTERN int
zip_error_get_sys_type(int ze)
{
if (ze < 0 || ze >= _zip_nerr_str)
return 0;
return _zip_err_type[ze];
}
+90
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@@ -0,0 +1,90 @@
/*
zip_error_sterror.c -- get string representation of struct zip_error
Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "zipint.h"
const char *
_zip_error_strerror(struct zip_error *err)
{
const char *zs, *ss;
char buf[128], *s;
_zip_error_fini(err);
if (err->zip_err < 0 || err->zip_err >= _zip_nerr_str) {
sprintf(buf, "Unknown error %d", err->zip_err);
zs = NULL;
ss = buf;
}
else {
zs = _zip_err_str[err->zip_err];
switch (_zip_err_type[err->zip_err]) {
case ZIP_ET_SYS:
ss = strerror(err->sys_err);
break;
case ZIP_ET_ZLIB:
ss = zError(err->sys_err);
break;
default:
ss = NULL;
}
}
if (ss == NULL)
return zs;
else {
if ((s=(char *)malloc(strlen(ss)
+ (zs ? strlen(zs)+2 : 0) + 1)) == NULL)
return _zip_err_str[ZIP_ER_MEMORY];
sprintf(s, "%s%s%s",
(zs ? zs : ""),
(zs ? ": " : ""),
ss);
err->str = s;
return s;
}
}
+70
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@@ -0,0 +1,70 @@
/*
zip_error_to_str.c -- get string representation of zip error code
Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "zipint.h"
ZIP_EXTERN int
zip_error_to_str(char *buf, size_t len, int ze, int se)
{
const char *zs, *ss;
if (ze < 0 || ze >= _zip_nerr_str)
return snprintf(buf, len, "Unknown error %d", ze);
zs = _zip_err_str[ze];
switch (_zip_err_type[ze]) {
case ZIP_ET_SYS:
ss = strerror(se);
break;
case ZIP_ET_ZLIB:
ss = zError(se);
break;
default:
ss = NULL;
}
return snprintf(buf, len, "%s%s%s",
zs, (ss ? ": " : ""), (ss ? ss : ""));
}
+71
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/*
zip_fclose.c -- close file in zip archive
Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include "zipint.h"
ZIP_EXTERN int
zip_fclose(struct zip_file *zf)
{
int i, ret;
if (zf->zstr)
inflateEnd(zf->zstr);
free(zf->buffer);
free(zf->zstr);
for (i=0; i<zf->za->nfile; i++) {
if (zf->za->file[i] == zf) {
zf->za->file[i] = zf->za->file[zf->za->nfile-1];
zf->za->nfile--;
break;
}
}
ret = 0;
if (zf->error.zip_err)
ret = zf->error.zip_err;
else if ((zf->flags & ZIP_ZF_CRC) && (zf->flags & ZIP_ZF_EOF)) {
/* if EOF, compare CRC */
if (zf->crc_orig != zf->crc)
ret = ZIP_ER_CRC;
}
free(zf);
return ret;
}
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/*
zip_file_error_clear.c -- clear zip file error
Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "zipint.h"
ZIP_EXTERN void
zip_file_error_clear(struct zip_file *zf)
{
_zip_error_clear(&zf->error);
}
+44
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/*
zip_file_error_get.c -- get zip file error
Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "zipint.h"
ZIP_EXTERN void
zip_file_error_get(struct zip_file *zf, int *zep, int *sep)
{
_zip_error_get(&zf->error, zep, sep);
}
+74
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/*
zip_file_get_offset.c -- get offset of file data in archive.
Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "zipint.h"
/* _zip_file_get_offset(za, ze):
Returns the offset of the file data for entry ze.
On error, fills in za->error and returns 0.
*/
unsigned int
_zip_file_get_offset(struct zip *za, int idx)
{
struct zip_dirent de;
unsigned int offset;
offset = za->cdir->entry[idx].offset;
if (fseeko(za->zp, offset, SEEK_SET) != 0) {
_zip_error_set(&za->error, ZIP_ER_SEEK, errno);
return 0;
}
if (_zip_dirent_read(&de, za->zp, NULL, NULL, 1, &za->error) != 0)
return 0;
offset += LENTRYSIZE + de.filename_len + de.extrafield_len;
_zip_dirent_finalize(&de);
return offset;
}
+44
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/*
zip_file_sterror.c -- get string representation of zip file error
Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "zipint.h"
ZIP_EXTERN const char *
zip_file_strerror(struct zip_file *zf)
{
return _zip_error_strerror(&zf->error);
}
+71
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/*
zip_filerange_crc.c -- compute CRC32 for a range of a file
Copyright (C) 2008 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <errno.h>
#include "zipint.h"
int
_zip_filerange_crc(FILE *fp, off_t start, off_t len, uLong *crcp,
struct zip_error *errp)
{
Bytef buf[BUFSIZE];
size_t n;
*crcp = crc32(0L, Z_NULL, 0);
if (fseeko(fp, start, SEEK_SET) != 0) {
_zip_error_set(errp, ZIP_ER_SEEK, errno);
return -1;
}
while (len > 0) {
n = len > BUFSIZE ? BUFSIZE : len;
if ((n=fread(buf, 1, n, fp)) <= 0) {
_zip_error_set(errp, ZIP_ER_READ, errno);
return -1;
}
*crcp = crc32(*crcp, buf, n);
len-= n;
}
return 0;
}
+49
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/*
zip_fopen.c -- open file in zip archive for reading
Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "zipint.h"
ZIP_EXTERN struct zip_file *
zip_fopen(struct zip *za, const char *fname, int flags)
{
int idx;
if ((idx=zip_name_locate(za, fname, flags)) < 0)
return NULL;
return zip_fopen_index(za, idx, flags);
}
+216
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/*
zip_fopen_index.c -- open file in zip archive for reading by index
Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include "zipint.h"
static struct zip_file *_zip_file_new(struct zip *za);
ZIP_EXTERN struct zip_file *
zip_fopen_index(struct zip *za, int fileno, int flags)
{
int len, ret;
int zfflags;
struct zip_file *zf;
if ((fileno < 0) || (fileno >= za->nentry)) {
_zip_error_set(&za->error, ZIP_ER_INVAL, 0);
return NULL;
}
if ((flags & ZIP_FL_UNCHANGED) == 0
&& ZIP_ENTRY_DATA_CHANGED(za->entry+fileno)) {
_zip_error_set(&za->error, ZIP_ER_CHANGED, 0);
return NULL;
}
if (fileno >= za->cdir->nentry) {
_zip_error_set(&za->error, ZIP_ER_INVAL, 0);
return NULL;
}
zfflags = 0;
switch (za->cdir->entry[fileno].comp_method) {
case ZIP_CM_STORE:
zfflags |= ZIP_ZF_CRC;
break;
case ZIP_CM_DEFLATE:
if ((flags & ZIP_FL_COMPRESSED) == 0)
zfflags |= ZIP_ZF_CRC | ZIP_ZF_DECOMP;
break;
default:
if ((flags & ZIP_FL_COMPRESSED) == 0) {
_zip_error_set(&za->error, ZIP_ER_COMPNOTSUPP, 0);
return NULL;
}
break;
}
zf = _zip_file_new(za);
zf->flags = zfflags;
/* zf->name = za->cdir->entry[fileno].filename; */
zf->method = za->cdir->entry[fileno].comp_method;
zf->bytes_left = za->cdir->entry[fileno].uncomp_size;
zf->cbytes_left = za->cdir->entry[fileno].comp_size;
zf->crc_orig = za->cdir->entry[fileno].crc;
if ((zf->fpos=_zip_file_get_offset(za, fileno)) == 0) {
zip_fclose(zf);
return NULL;
}
if ((zf->flags & ZIP_ZF_DECOMP) == 0)
zf->bytes_left = zf->cbytes_left;
else {
if ((zf->buffer=(char *)malloc(BUFSIZE)) == NULL) {
_zip_error_set(&za->error, ZIP_ER_MEMORY, 0);
zip_fclose(zf);
return NULL;
}
len = _zip_file_fillbuf(zf->buffer, BUFSIZE, zf);
if (len <= 0) {
_zip_error_copy(&za->error, &zf->error);
zip_fclose(zf);
return NULL;
}
if ((zf->zstr = (z_stream *)malloc(sizeof(z_stream))) == NULL) {
_zip_error_set(&za->error, ZIP_ER_MEMORY, 0);
zip_fclose(zf);
return NULL;
}
zf->zstr->zalloc = Z_NULL;
zf->zstr->zfree = Z_NULL;
zf->zstr->opaque = NULL;
zf->zstr->next_in = (Bytef *)zf->buffer;
zf->zstr->avail_in = len;
/* negative value to tell zlib that there is no header */
if ((ret=inflateInit2(zf->zstr, -MAX_WBITS)) != Z_OK) {
_zip_error_set(&za->error, ZIP_ER_ZLIB, ret);
zip_fclose(zf);
return NULL;
}
}
return zf;
}
int
_zip_file_fillbuf(void *buf, size_t buflen, struct zip_file *zf)
{
int i, j;
if (zf->error.zip_err != ZIP_ER_OK)
return -1;
if ((zf->flags & ZIP_ZF_EOF) || zf->cbytes_left <= 0 || buflen <= 0)
return 0;
if (fseeko(zf->za->zp, zf->fpos, SEEK_SET) < 0) {
_zip_error_set(&zf->error, ZIP_ER_SEEK, errno);
return -1;
}
if (buflen < zf->cbytes_left)
i = buflen;
else
i = zf->cbytes_left;
j = fread(buf, 1, i, zf->za->zp);
if (j == 0) {
_zip_error_set(&zf->error, ZIP_ER_EOF, 0);
j = -1;
}
else if (j < 0)
_zip_error_set(&zf->error, ZIP_ER_READ, errno);
else {
zf->fpos += j;
zf->cbytes_left -= j;
}
return j;
}
static struct zip_file *
_zip_file_new(struct zip *za)
{
struct zip_file *zf, **file;
int n;
if ((zf=(struct zip_file *)malloc(sizeof(struct zip_file))) == NULL) {
_zip_error_set(&za->error, ZIP_ER_MEMORY, 0);
return NULL;
}
if (za->nfile >= za->nfile_alloc-1) {
n = za->nfile_alloc + 10;
file = (struct zip_file **)realloc(za->file,
n*sizeof(struct zip_file *));
if (file == NULL) {
_zip_error_set(&za->error, ZIP_ER_MEMORY, 0);
free(zf);
return NULL;
}
za->nfile_alloc = n;
za->file = file;
}
za->file[za->nfile++] = zf;
zf->za = za;
_zip_error_init(&zf->error);
zf->flags = 0;
zf->crc = crc32(0L, Z_NULL, 0);
zf->crc_orig = 0;
zf->method = -1;
zf->bytes_left = zf->cbytes_left = 0;
zf->fpos = 0;
zf->buffer = NULL;
zf->zstr = NULL;
return zf;
}
+130
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/*
zip_fread.c -- read from file
Copyright (C) 1999-2009 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "zipint.h"
ZIP_EXTERN ssize_t
zip_fread(struct zip_file *zf, void *outbuf, size_t toread)
{
int ret;
size_t out_before, len;
int i;
if (!zf)
return -1;
if (zf->error.zip_err != 0)
return -1;
if ((zf->flags & ZIP_ZF_EOF) || (toread == 0))
return 0;
if (zf->bytes_left == 0) {
zf->flags |= ZIP_ZF_EOF;
if (zf->flags & ZIP_ZF_CRC) {
if (zf->crc != zf->crc_orig) {
_zip_error_set(&zf->error, ZIP_ER_CRC, 0);
return -1;
}
}
return 0;
}
if ((zf->flags & ZIP_ZF_DECOMP) == 0) {
ret = _zip_file_fillbuf(outbuf, toread, zf);
if (ret > 0) {
if (zf->flags & ZIP_ZF_CRC)
zf->crc = crc32(zf->crc, (Bytef *)outbuf, ret);
zf->bytes_left -= ret;
}
return ret;
}
zf->zstr->next_out = (Bytef *)outbuf;
zf->zstr->avail_out = toread;
out_before = zf->zstr->total_out;
/* endless loop until something has been accomplished */
for (;;) {
ret = inflate(zf->zstr, Z_SYNC_FLUSH);
switch (ret) {
case Z_STREAM_END:
if (zf->zstr->total_out == out_before) {
if (zf->crc != zf->crc_orig) {
_zip_error_set(&zf->error, ZIP_ER_CRC, 0);
return -1;
}
else
return 0;
}
/* fallthrough */
case Z_OK:
len = zf->zstr->total_out - out_before;
if (len >= zf->bytes_left || len >= toread) {
if (zf->flags & ZIP_ZF_CRC)
zf->crc = crc32(zf->crc, (Bytef *)outbuf, len);
zf->bytes_left -= len;
return len;
}
break;
case Z_BUF_ERROR:
if (zf->zstr->avail_in == 0) {
i = _zip_file_fillbuf(zf->buffer, BUFSIZE, zf);
if (i == 0) {
_zip_error_set(&zf->error, ZIP_ER_INCONS, 0);
return -1;
}
else if (i < 0)
return -1;
zf->zstr->next_in = (Bytef *)zf->buffer;
zf->zstr->avail_in = i;
continue;
}
/* fallthrough */
case Z_NEED_DICT:
case Z_DATA_ERROR:
case Z_STREAM_ERROR:
case Z_MEM_ERROR:
_zip_error_set(&zf->error, ZIP_ER_ZLIB, ret);
return -1;
}
}
}
+81
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/*
zip_free.c -- free struct zip
Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include "zipint.h"
/* _zip_free:
frees the space allocated to a zipfile struct, and closes the
corresponding file. */
void
_zip_free(struct zip *za)
{
int i;
if (za == NULL)
return;
if (za->zn)
free(za->zn);
if (za->zp)
fclose(za->zp);
_zip_cdir_free(za->cdir);
if (za->entry) {
for (i=0; i<za->nentry; i++) {
_zip_entry_free(za->entry+i);
}
free(za->entry);
}
for (i=0; i<za->nfile; i++) {
if (za->file[i]->error.zip_err == ZIP_ER_OK) {
_zip_error_set(&za->file[i]->error, ZIP_ER_ZIPCLOSED, 0);
za->file[i]->za = NULL;
}
}
free(za->file);
free(za);
return;
}
+60
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/*
zip_get_archive_comment.c -- get archive comment
Copyright (C) 2006-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "zipint.h"
ZIP_EXTERN const char *
zip_get_archive_comment(struct zip *za, int *lenp, int flags)
{
if ((flags & ZIP_FL_UNCHANGED)
|| (za->ch_comment_len == -1)) {
if (za->cdir) {
if (lenp != NULL)
*lenp = za->cdir->comment_len;
return za->cdir->comment;
}
else {
if (lenp != NULL)
*lenp = -1;
return NULL;
}
}
if (lenp != NULL)
*lenp = za->ch_comment_len;
return za->ch_comment;
}
+48
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/*
zip_get_archive_flag.c -- get archive global flag
Copyright (C) 2008 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "zipint.h"
ZIP_EXTERN int
zip_get_archive_flag(struct zip *za, int flag, int flags)
{
int fl;
fl = (flags & ZIP_FL_UNCHANGED) ? za->flags : za->ch_flags;
return (fl & flag) ? 1 : 0;
}
+58
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/*
zip_get_file_comment.c -- get file comment
Copyright (C) 2006-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "zipint.h"
ZIP_EXTERN const char *
zip_get_file_comment(struct zip *za, int idx, int *lenp, int flags)
{
if (idx < 0 || idx >= za->nentry) {
_zip_error_set(&za->error, ZIP_ER_INVAL, 0);
return NULL;
}
if ((flags & ZIP_FL_UNCHANGED)
|| (za->entry[idx].ch_comment_len == -1)) {
if (lenp != NULL)
*lenp = za->cdir->entry[idx].comment_len;
return za->cdir->entry[idx].comment;
}
if (lenp != NULL)
*lenp = za->entry[idx].ch_comment_len;
return za->entry[idx].ch_comment;
}
+71
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/*
zip_get_name.c -- get filename for a file in zip file
Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "zipint.h"
ZIP_EXTERN const char *
zip_get_name(struct zip *za, int idx, int flags)
{
return _zip_get_name(za, idx, flags, &za->error);
}
const char *
_zip_get_name(struct zip *za, int idx, int flags, struct zip_error *error)
{
if (idx < 0 || idx >= za->nentry) {
_zip_error_set(error, ZIP_ER_INVAL, 0);
return NULL;
}
if ((flags & ZIP_FL_UNCHANGED) == 0) {
if (za->entry[idx].state == ZIP_ST_DELETED) {
_zip_error_set(error, ZIP_ER_DELETED, 0);
return NULL;
}
if (za->entry[idx].ch_filename)
return za->entry[idx].ch_filename;
}
if (za->cdir == NULL || idx >= za->cdir->nentry) {
_zip_error_set(error, ZIP_ER_INVAL, 0);
return NULL;
}
return za->cdir->entry[idx].filename;
}
+47
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/*
zip_get_num_files.c -- get number of files in archive
Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "zipint.h"
ZIP_EXTERN int
zip_get_num_files(struct zip *za)
{
if (za == NULL)
return -1;
return za->nentry;
}
+55
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/*
zip_memdup.c -- internal zip function, "strdup" with len
Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include <string.h>
#include "zipint.h"
void *
_zip_memdup(const void *mem, size_t len, struct zip_error *error)
{
void *ret;
ret = malloc(len);
if (!ret) {
_zip_error_set(error, ZIP_ER_MEMORY, 0);
return NULL;
}
memcpy(ret, mem, len);
return ret;
}
+88
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/*
zip_name_locate.c -- get index by name
Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <string.h>
#include "zipint.h"
ZIP_EXTERN int
zip_name_locate(struct zip *za, const char *fname, int flags)
{
return _zip_name_locate(za, fname, flags, &za->error);
}
int
_zip_name_locate(struct zip *za, const char *fname, int flags,
struct zip_error *error)
{
int (*cmp)(const char *, const char *);
const char *fn, *p;
int i, n;
if (fname == NULL) {
_zip_error_set(error, ZIP_ER_INVAL, 0);
return -1;
}
cmp = (flags & ZIP_FL_NOCASE) ? strcasecmp : strcmp;
n = (flags & ZIP_FL_UNCHANGED) ? za->cdir->nentry : za->nentry;
for (i=0; i<n; i++) {
if (flags & ZIP_FL_UNCHANGED)
fn = za->cdir->entry[i].filename;
else
fn = _zip_get_name(za, i, flags, error);
/* newly added (partially filled) entry */
if (fn == NULL)
continue;
if (flags & ZIP_FL_NODIR) {
p = strrchr(fn, '/');
if (p)
fn = p+1;
}
if (cmp(fname, fn) == 0)
return i;
}
_zip_error_set(error, ZIP_ER_NOENT, 0);
return -1;
}
+70
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/*
zip_new.c -- create and init struct zip
Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include "zipint.h"
/* _zip_new:
creates a new zipfile struct, and sets the contents to zero; returns
the new struct. */
struct zip *
_zip_new(struct zip_error *error)
{
struct zip *za;
za = (struct zip *)malloc(sizeof(struct zip));
if (!za) {
_zip_error_set(error, ZIP_ER_MEMORY, 0);
return NULL;
}
za->zn = NULL;
za->zp = NULL;
_zip_error_init(&za->error);
za->cdir = NULL;
za->ch_comment = NULL;
za->ch_comment_len = -1;
za->nentry = za->nentry_alloc = 0;
za->entry = NULL;
za->nfile = za->nfile_alloc = 0;
za->file = NULL;
za->flags = za->ch_flags = 0;
return za;
}
+567
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/*
zip_open.c -- open zip archive
Copyright (C) 1999-2008 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/stat.h>
#include <errno.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "zipint.h"
static void set_error(int *, struct zip_error *, int);
static struct zip *_zip_allocate_new(const char *, int *);
static int _zip_checkcons(FILE *, struct zip_cdir *, struct zip_error *);
static void _zip_check_torrentzip(struct zip *);
static struct zip_cdir *_zip_find_central_dir(FILE *, int, int *, off_t);
static int _zip_file_exists(const char *, int, int *);
static int _zip_headercomp(struct zip_dirent *, int,
struct zip_dirent *, int);
static unsigned char *_zip_memmem(const unsigned char *, int,
const unsigned char *, int);
static struct zip_cdir *_zip_readcdir(FILE *, unsigned char *, unsigned char *,
int, int, struct zip_error *);
ZIP_EXTERN struct zip *
zip_open(const char *fn, int flags, int *zep)
{
FILE *fp;
struct zip *za;
struct zip_cdir *cdir;
int i;
off_t len;
switch (_zip_file_exists(fn, flags, zep)) {
case -1:
return NULL;
case 0:
return _zip_allocate_new(fn, zep);
default:
break;
}
if ((fp=fopen(fn, "rb")) == NULL) {
set_error(zep, NULL, ZIP_ER_OPEN);
return NULL;
}
fseeko(fp, 0, SEEK_END);
len = ftello(fp);
/* treat empty files as empty archives */
if (len == 0) {
if ((za=_zip_allocate_new(fn, zep)) == NULL)
fclose(fp);
else
za->zp = fp;
return za;
}
cdir = _zip_find_central_dir(fp, flags, zep, len);
if (cdir == NULL) {
fclose(fp);
return NULL;
}
if ((za=_zip_allocate_new(fn, zep)) == NULL) {
_zip_cdir_free(cdir);
fclose(fp);
return NULL;
}
za->cdir = cdir;
za->zp = fp;
if ((za->entry=(struct zip_entry *)malloc(sizeof(*(za->entry))
* cdir->nentry)) == NULL) {
set_error(zep, NULL, ZIP_ER_MEMORY);
_zip_free(za);
return NULL;
}
for (i=0; i<cdir->nentry; i++)
_zip_entry_new(za);
_zip_check_torrentzip(za);
za->ch_flags = za->flags;
return za;
}
static void
set_error(int *zep, struct zip_error *err, int ze)
{
int se;
if (err) {
_zip_error_get(err, &ze, &se);
if (zip_error_get_sys_type(ze) == ZIP_ET_SYS)
errno = se;
}
if (zep)
*zep = ze;
}
/* _zip_readcdir:
tries to find a valid end-of-central-directory at the beginning of
buf, and then the corresponding central directory entries.
Returns a struct zip_cdir which contains the central directory
entries, or NULL if unsuccessful. */
static struct zip_cdir *
_zip_readcdir(FILE *fp, unsigned char *buf, unsigned char *eocd, int buflen,
int flags, struct zip_error *error)
{
struct zip_cdir *cd;
unsigned char *cdp, **bufp;
int i, comlen, nentry;
unsigned int left;
comlen = buf + buflen - eocd - EOCDLEN;
if (comlen < 0) {
/* not enough bytes left for comment */
_zip_error_set(error, ZIP_ER_NOZIP, 0);
return NULL;
}
/* check for end-of-central-dir magic */
if (memcmp(eocd, EOCD_MAGIC, 4) != 0) {
_zip_error_set(error, ZIP_ER_NOZIP, 0);
return NULL;
}
if (memcmp(eocd+4, "\0\0\0\0", 4) != 0) {
_zip_error_set(error, ZIP_ER_MULTIDISK, 0);
return NULL;
}
cdp = eocd + 8;
/* number of cdir-entries on this disk */
i = _zip_read2(&cdp);
/* number of cdir-entries */
nentry = _zip_read2(&cdp);
if ((cd=_zip_cdir_new(nentry, error)) == NULL)
return NULL;
cd->size = _zip_read4(&cdp);
cd->offset = _zip_read4(&cdp);
cd->comment = NULL;
cd->comment_len = _zip_read2(&cdp);
if ((comlen < cd->comment_len) || (cd->nentry != i)) {
_zip_error_set(error, ZIP_ER_NOZIP, 0);
free(cd);
return NULL;
}
if ((flags & ZIP_CHECKCONS) && comlen != cd->comment_len) {
_zip_error_set(error, ZIP_ER_INCONS, 0);
free(cd);
return NULL;
}
if (cd->comment_len) {
if ((cd->comment=(char *)_zip_memdup(eocd+EOCDLEN,
cd->comment_len, error))
== NULL) {
free(cd);
return NULL;
}
}
if (cd->size < (unsigned int)(eocd-buf)) {
/* if buffer already read in, use it */
cdp = eocd - cd->size;
bufp = &cdp;
}
else {
/* go to start of cdir and read it entry by entry */
bufp = NULL;
clearerr(fp);
fseeko(fp, cd->offset, SEEK_SET);
/* possible consistency check: cd->offset =
len-(cd->size+cd->comment_len+EOCDLEN) ? */
if (ferror(fp) || ((unsigned long)ftello(fp) != cd->offset)) {
/* seek error or offset of cdir wrong */
if (ferror(fp))
_zip_error_set(error, ZIP_ER_SEEK, errno);
else
_zip_error_set(error, ZIP_ER_NOZIP, 0);
free(cd);
return NULL;
}
}
left = cd->size;
i=0;
do {
if (i == cd->nentry && left > 0) {
/* Infozip extension for more than 64k entries:
nentries wraps around, size indicates correct EOCD */
_zip_cdir_grow(cd, cd->nentry+0x10000, error);
}
if ((_zip_dirent_read(cd->entry+i, fp, bufp, &left, 0, error)) < 0) {
cd->nentry = i;
_zip_cdir_free(cd);
return NULL;
}
i++;
} while (i<cd->nentry);
return cd;
}
/* _zip_checkcons:
Checks the consistency of the central directory by comparing central
directory entries with local headers and checking for plausible
file and header offsets. Returns -1 if not plausible, else the
difference between the lowest and the highest fileposition reached */
static int
_zip_checkcons(FILE *fp, struct zip_cdir *cd, struct zip_error *error)
{
int i;
unsigned int min, max, j;
struct zip_dirent temp;
if (cd->nentry) {
max = cd->entry[0].offset;
min = cd->entry[0].offset;
}
else
min = max = 0;
for (i=0; i<cd->nentry; i++) {
if (cd->entry[i].offset < min)
min = cd->entry[i].offset;
if (min > cd->offset) {
_zip_error_set(error, ZIP_ER_NOZIP, 0);
return -1;
}
j = cd->entry[i].offset + cd->entry[i].comp_size
+ cd->entry[i].filename_len + LENTRYSIZE;
if (j > max)
max = j;
if (max > cd->offset) {
_zip_error_set(error, ZIP_ER_NOZIP, 0);
return -1;
}
if (fseeko(fp, cd->entry[i].offset, SEEK_SET) != 0) {
_zip_error_set(error, ZIP_ER_SEEK, 0);
return -1;
}
if (_zip_dirent_read(&temp, fp, NULL, NULL, 1, error) == -1)
return -1;
if (_zip_headercomp(cd->entry+i, 0, &temp, 1) != 0) {
_zip_error_set(error, ZIP_ER_INCONS, 0);
_zip_dirent_finalize(&temp);
return -1;
}
_zip_dirent_finalize(&temp);
}
return max - min;
}
/* _zip_check_torrentzip:
check wether ZA has a valid TORRENTZIP comment, i.e. is torrentzipped */
static void
_zip_check_torrentzip(struct zip *za)
{
uLong crc_got, crc_should;
char buf[8+1];
char *end;
if (za->zp == NULL || za->cdir == NULL)
return;
if (za->cdir->comment_len != TORRENT_SIG_LEN+8
|| strncmp(za->cdir->comment, TORRENT_SIG, TORRENT_SIG_LEN) != 0)
return;
memcpy(buf, za->cdir->comment+TORRENT_SIG_LEN, 8);
buf[8] = '\0';
errno = 0;
crc_should = strtoul(buf, &end, 16);
if ((crc_should == UINT_MAX && errno != 0) || (end && *end))
return;
if (_zip_filerange_crc(za->zp, za->cdir->offset, za->cdir->size,
&crc_got, NULL) < 0)
return;
if (crc_got == crc_should)
za->flags |= ZIP_AFL_TORRENT;
}
/* _zip_headercomp:
compares two headers h1 and h2; if they are local headers, set
local1p or local2p respectively to 1, else 0. Return 0 if they
are identical, -1 if not. */
static int
_zip_headercomp(struct zip_dirent *h1, int local1p, struct zip_dirent *h2,
int local2p)
{
if ((h1->version_needed != h2->version_needed)
#if 0
/* some zip-files have different values in local
and global headers for the bitflags */
|| (h1->bitflags != h2->bitflags)
#endif
|| (h1->comp_method != h2->comp_method)
|| (h1->last_mod != h2->last_mod)
|| (h1->filename_len != h2->filename_len)
|| !h1->filename || !h2->filename
|| strcmp(h1->filename, h2->filename))
return -1;
/* check that CRC and sizes are zero if data descriptor is used */
if ((h1->bitflags & ZIP_GPBF_DATA_DESCRIPTOR) && local1p
&& (h1->crc != 0
|| h1->comp_size != 0
|| h1->uncomp_size != 0))
return -1;
if ((h2->bitflags & ZIP_GPBF_DATA_DESCRIPTOR) && local2p
&& (h2->crc != 0
|| h2->comp_size != 0
|| h2->uncomp_size != 0))
return -1;
/* check that CRC and sizes are equal if no data descriptor is used */
if (((h1->bitflags & ZIP_GPBF_DATA_DESCRIPTOR) == 0 || local1p == 0)
&& ((h2->bitflags & ZIP_GPBF_DATA_DESCRIPTOR) == 0 || local2p == 0)) {
if ((h1->crc != h2->crc)
|| (h1->comp_size != h2->comp_size)
|| (h1->uncomp_size != h2->uncomp_size))
return -1;
}
if ((local1p == local2p)
&& ((h1->extrafield_len != h2->extrafield_len)
|| (h1->extrafield_len && h2->extrafield
&& memcmp(h1->extrafield, h2->extrafield,
h1->extrafield_len))))
return -1;
/* if either is local, nothing more to check */
if (local1p || local2p)
return 0;
if ((h1->version_madeby != h2->version_madeby)
|| (h1->disk_number != h2->disk_number)
|| (h1->int_attrib != h2->int_attrib)
|| (h1->ext_attrib != h2->ext_attrib)
|| (h1->offset != h2->offset)
|| (h1->comment_len != h2->comment_len)
|| (h1->comment_len && h2->comment
&& memcmp(h1->comment, h2->comment, h1->comment_len)))
return -1;
return 0;
}
static struct zip *
_zip_allocate_new(const char *fn, int *zep)
{
struct zip *za;
struct zip_error error;
if ((za=_zip_new(&error)) == NULL) {
set_error(zep, &error, 0);
return NULL;
}
za->zn = strdup(fn);
if (!za->zn) {
_zip_free(za);
set_error(zep, NULL, ZIP_ER_MEMORY);
return NULL;
}
return za;
}
static int
_zip_file_exists(const char *fn, int flags, int *zep)
{
struct stat st;
if (fn == NULL) {
set_error(zep, NULL, ZIP_ER_INVAL);
return -1;
}
if (stat(fn, &st) != 0) {
if (flags & ZIP_CREATE)
return 0;
else {
set_error(zep, NULL, ZIP_ER_OPEN);
return -1;
}
}
else if ((flags & ZIP_EXCL)) {
set_error(zep, NULL, ZIP_ER_EXISTS);
return -1;
}
/* ZIP_CREATE gets ignored if file exists and not ZIP_EXCL,
just like open() */
return 1;
}
static struct zip_cdir *
_zip_find_central_dir(FILE *fp, int flags, int *zep, off_t len)
{
struct zip_cdir *cdir, *cdirnew;
unsigned char *buf, *match;
int a, best, buflen, i;
struct zip_error zerr;
i = fseeko(fp, -(len < CDBUFSIZE ? len : CDBUFSIZE), SEEK_END);
if (i == -1 && errno != EFBIG) {
/* seek before start of file on my machine */
set_error(zep, NULL, ZIP_ER_SEEK);
return NULL;
}
/* 64k is too much for stack */
if ((buf=(unsigned char *)malloc(CDBUFSIZE)) == NULL) {
set_error(zep, NULL, ZIP_ER_MEMORY);
return NULL;
}
clearerr(fp);
buflen = fread(buf, 1, CDBUFSIZE, fp);
if (ferror(fp)) {
set_error(zep, NULL, ZIP_ER_READ);
free(buf);
return NULL;
}
best = -1;
cdir = NULL;
match = buf;
_zip_error_set(&zerr, ZIP_ER_NOZIP, 0);
while ((match=_zip_memmem(match, buflen-(match-buf)-18,
(const unsigned char *)EOCD_MAGIC, 4))!=NULL) {
/* found match -- check, if good */
/* to avoid finding the same match all over again */
match++;
if ((cdirnew=_zip_readcdir(fp, buf, match-1, buflen, flags,
&zerr)) == NULL)
continue;
if (cdir) {
if (best <= 0)
best = _zip_checkcons(fp, cdir, &zerr);
a = _zip_checkcons(fp, cdirnew, &zerr);
if (best < a) {
_zip_cdir_free(cdir);
cdir = cdirnew;
best = a;
}
else
_zip_cdir_free(cdirnew);
}
else {
cdir = cdirnew;
if (flags & ZIP_CHECKCONS)
best = _zip_checkcons(fp, cdir, &zerr);
else
best = 0;
}
cdirnew = NULL;
}
free(buf);
if (best < 0) {
set_error(zep, &zerr, 0);
_zip_cdir_free(cdir);
return NULL;
}
return cdir;
}
static unsigned char *
_zip_memmem(const unsigned char *big, int biglen, const unsigned char *little,
int littlelen)
{
const unsigned char *p;
if ((biglen < littlelen) || (littlelen == 0))
return NULL;
p = big-1;
while ((p=(const unsigned char *)
memchr(p+1, little[0], (size_t)(big-(p+1)+biglen-littlelen+1)))
!= NULL) {
if (memcmp(p+1, little+1, littlelen-1)==0)
return (unsigned char *)p;
}
return NULL;
}
+65
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@@ -0,0 +1,65 @@
/*
zip_rename.c -- rename file in zip archive
Copyright (C) 1999-2008 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <string.h>
#include "zipint.h"
ZIP_EXTERN int
zip_rename(struct zip *za, int idx, const char *name)
{
const char *old_name;
int old_is_dir, new_is_dir;
if (idx >= za->nentry || idx < 0 || name[0] == '\0') {
_zip_error_set(&za->error, ZIP_ER_INVAL, 0);
return -1;
}
if ((old_name=zip_get_name(za, idx, 0)) == NULL)
return -1;
new_is_dir = (name[strlen(name)-1] == '/');
old_is_dir = (old_name[strlen(old_name)-1] == '/');
if (new_is_dir != old_is_dir) {
_zip_error_set(&za->error, ZIP_ER_INVAL, 0);
return -1;
}
return _zip_set_name(za, idx, name);
}
+78
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/*
zip_replace.c -- replace file via callback function
Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "zipint.h"
ZIP_EXTERN int
zip_replace(struct zip *za, int idx, struct zip_source *source)
{
if (idx < 0 || idx >= za->nentry || source == NULL) {
_zip_error_set(&za->error, ZIP_ER_INVAL, 0);
return -1;
}
if (_zip_replace(za, idx, NULL, source) == -1)
return -1;
return 0;
}
int
_zip_replace(struct zip *za, int idx, const char *name,
struct zip_source *source)
{
if (idx == -1) {
if (_zip_entry_new(za) == NULL)
return -1;
idx = za->nentry - 1;
}
_zip_unchange_data(za->entry+idx);
if (name && _zip_set_name(za, idx, name) != 0)
return -1;
za->entry[idx].state = ((za->cdir == NULL || idx >= za->cdir->nentry)
? ZIP_ST_ADDED : ZIP_ST_REPLACED);
za->entry[idx].source = source;
return idx;
}
+65
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@@ -0,0 +1,65 @@
/*
zip_set_archive_comment.c -- set archive comment
Copyright (C) 2006-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include "zipint.h"
ZIP_EXTERN int
zip_set_archive_comment(struct zip *za, const char *comment, int len)
{
char *tmpcom;
if (len < 0 || len > MAXCOMLEN
|| (len > 0 && comment == NULL)) {
_zip_error_set(&za->error, ZIP_ER_INVAL, 0);
return -1;
}
if (len > 0) {
if ((tmpcom=(char *)_zip_memdup(comment, len, &za->error)) == NULL)
return -1;
}
else
tmpcom = NULL;
free(za->ch_comment);
za->ch_comment = tmpcom;
za->ch_comment_len = len;
return 0;
}
+49
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@@ -0,0 +1,49 @@
/*
zip_get_archive_flag.c -- set archive global flag
Copyright (C) 2008 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "zipint.h"
ZIP_EXTERN int
zip_set_archive_flag(struct zip *za, int flag, int value)
{
if (value)
za->ch_flags |= flag;
else
za->ch_flags &= ~flag;
return 0;
}
+66
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/*
zip_set_file_comment.c -- set comment for file in archive
Copyright (C) 2006-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include "zipint.h"
ZIP_EXTERN int
zip_set_file_comment(struct zip *za, int idx, const char *comment, int len)
{
char *tmpcom;
if (idx < 0 || idx >= za->nentry
|| len < 0 || len > MAXCOMLEN
|| (len > 0 && comment == NULL)) {
_zip_error_set(&za->error, ZIP_ER_INVAL, 0);
return -1;
}
if (len > 0) {
if ((tmpcom=(char *)_zip_memdup(comment, len, &za->error)) == NULL)
return -1;
}
else
tmpcom = NULL;
free(za->entry[idx].ch_comment);
za->entry[idx].ch_comment = tmpcom;
za->entry[idx].ch_comment_len = len;
return 0;
}
+75
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@@ -0,0 +1,75 @@
/*
zip_set_name.c -- rename helper function
Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include <string.h>
#include "zipint.h"
int
_zip_set_name(struct zip *za, int idx, const char *name)
{
char *s;
int i;
if (idx < 0 || idx >= za->nentry || name == NULL) {
_zip_error_set(&za->error, ZIP_ER_INVAL, 0);
return -1;
}
if ((i=_zip_name_locate(za, name, 0, NULL)) != -1 && i != idx) {
_zip_error_set(&za->error, ZIP_ER_EXISTS, 0);
return -1;
}
/* no effective name change */
if (i == idx)
return 0;
if ((s=strdup(name)) == NULL) {
_zip_error_set(&za->error, ZIP_ER_MEMORY, 0);
return -1;
}
if (za->entry[idx].state == ZIP_ST_UNCHANGED)
za->entry[idx].state = ZIP_ST_RENAMED;
free(za->entry[idx].ch_filename);
za->entry[idx].ch_filename = s;
return 0;
}
+157
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@@ -0,0 +1,157 @@
/*
zip_source_buffer.c -- create zip data source from buffer
Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include <string.h>
#include "zipint.h"
struct read_data {
const char *buf, *data, *end;
time_t mtime;
int freep;
};
static ssize_t read_data(void *state, void *data, size_t len,
enum zip_source_cmd cmd);
ZIP_EXTERN struct zip_source *
zip_source_buffer(struct zip *za, const void *data, off_t len, int freep)
{
struct read_data *f;
struct zip_source *zs;
if (za == NULL)
return NULL;
if (len < 0 || (data == NULL && len > 0)) {
_zip_error_set(&za->error, ZIP_ER_INVAL, 0);
return NULL;
}
if ((f=(struct read_data *)malloc(sizeof(*f))) == NULL) {
_zip_error_set(&za->error, ZIP_ER_MEMORY, 0);
return NULL;
}
f->data = (const char *)data;
f->end = ((const char *)data)+len;
f->freep = freep;
f->mtime = time(NULL);
if ((zs=zip_source_function(za, read_data, f)) == NULL) {
free(f);
return NULL;
}
return zs;
}
static ssize_t
read_data(void *state, void *data, size_t len, enum zip_source_cmd cmd)
{
struct read_data *z;
char *buf;
size_t n;
z = (struct read_data *)state;
buf = (char *)data;
switch (cmd) {
case ZIP_SOURCE_OPEN:
z->buf = z->data;
return 0;
case ZIP_SOURCE_READ:
n = z->end - z->buf;
if (n > len)
n = len;
if (n) {
memcpy(buf, z->buf, n);
z->buf += n;
}
return n;
case ZIP_SOURCE_CLOSE:
return 0;
case ZIP_SOURCE_STAT:
{
struct zip_stat *st;
if (len < sizeof(*st))
return -1;
st = (struct zip_stat *)data;
zip_stat_init(st);
st->mtime = z->mtime;
st->size = z->end - z->data;
return sizeof(*st);
}
case ZIP_SOURCE_ERROR:
{
int *e;
if (len < sizeof(int)*2)
return -1;
e = (int *)data;
e[0] = e[1] = 0;
}
return sizeof(int)*2;
case ZIP_SOURCE_FREE:
if (z->freep) {
free((void *)z->data);
z->data = NULL;
}
free(z);
return 0;
default:
;
}
return -1;
}
+55
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@@ -0,0 +1,55 @@
/*
zip_source_file.c -- create data source from file
Copyright (C) 1999-2008 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <errno.h>
#include <stdio.h>
#include "zipint.h"
ZIP_EXTERN struct zip_source *
zip_source_file(struct zip *za, const char *fname, off_t start, off_t len)
{
if (za == NULL)
return NULL;
if (fname == NULL || start < 0 || len < -1) {
_zip_error_set(&za->error, ZIP_ER_INVAL, 0);
return NULL;
}
return _zip_source_file_or_p(za, fname, NULL, start, len);
}
+216
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/*
zip_source_filep.c -- create data source from FILE *
Copyright (C) 1999-2008 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/stat.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "zipint.h"
struct read_file {
char *fname; /* name of file to copy from */
FILE *f; /* file to copy from */
off_t off; /* start offset of */
off_t len; /* lengt of data to copy */
off_t remain; /* bytes remaining to be copied */
int e[2]; /* error codes */
};
static ssize_t read_file(void *state, void *data, size_t len,
enum zip_source_cmd cmd);
ZIP_EXTERN struct zip_source *
zip_source_filep(struct zip *za, FILE *file, off_t start, off_t len)
{
if (za == NULL)
return NULL;
if (file == NULL || start < 0 || len < -1) {
_zip_error_set(&za->error, ZIP_ER_INVAL, 0);
return NULL;
}
return _zip_source_file_or_p(za, NULL, file, start, len);
}
struct zip_source *
_zip_source_file_or_p(struct zip *za, const char *fname, FILE *file,
off_t start, off_t len)
{
struct read_file *f;
struct zip_source *zs;
if (file == NULL && fname == NULL) {
_zip_error_set(&za->error, ZIP_ER_INVAL, 0);
return NULL;
}
if ((f=(struct read_file *)malloc(sizeof(struct read_file))) == NULL) {
_zip_error_set(&za->error, ZIP_ER_MEMORY, 0);
return NULL;
}
f->fname = NULL;
if (fname) {
if ((f->fname=strdup(fname)) == NULL) {
_zip_error_set(&za->error, ZIP_ER_MEMORY, 0);
free(f);
return NULL;
}
}
f->f = file;
f->off = start;
f->len = (len ? len : -1);
if ((zs=zip_source_function(za, read_file, f)) == NULL) {
free(f);
return NULL;
}
return zs;
}
static ssize_t
read_file(void *state, void *data, size_t len, enum zip_source_cmd cmd)
{
struct read_file *z;
char *buf;
int i, n;
z = (struct read_file *)state;
buf = (char *)data;
switch (cmd) {
case ZIP_SOURCE_OPEN:
if (z->fname) {
if ((z->f=fopen(z->fname, "rb")) == NULL) {
z->e[0] = ZIP_ER_OPEN;
z->e[1] = errno;
return -1;
}
}
if (fseeko(z->f, z->off, SEEK_SET) < 0) {
z->e[0] = ZIP_ER_SEEK;
z->e[1] = errno;
return -1;
}
z->remain = z->len;
return 0;
case ZIP_SOURCE_READ:
if (z->remain != -1)
n = len > z->remain ? z->remain : len;
else
n = len;
if ((i=fread(buf, 1, n, z->f)) < 0) {
z->e[0] = ZIP_ER_READ;
z->e[1] = errno;
return -1;
}
if (z->remain != -1)
z->remain -= i;
return i;
case ZIP_SOURCE_CLOSE:
if (z->fname) {
fclose(z->f);
z->f = NULL;
}
return 0;
case ZIP_SOURCE_STAT:
{
struct zip_stat *st;
struct stat fst;
int err;
if (len < sizeof(*st))
return -1;
if (z->f)
err = fstat(fileno(z->f), &fst);
else
err = stat(z->fname, &fst);
if (err != 0) {
z->e[0] = ZIP_ER_READ; /* best match */
z->e[1] = errno;
return -1;
}
st = (struct zip_stat *)data;
zip_stat_init(st);
st->mtime = fst.st_mtime;
if (z->len != -1)
st->size = z->len;
else if ((fst.st_mode&S_IFMT) == S_IFREG)
st->size = fst.st_size;
return sizeof(*st);
}
case ZIP_SOURCE_ERROR:
if (len < sizeof(int)*2)
return -1;
memcpy(data, z->e, sizeof(int)*2);
return sizeof(int)*2;
case ZIP_SOURCE_FREE:
free(z->fname);
if (z->f)
fclose(z->f);
free(z);
return 0;
default:
;
}
return -1;
}
+51
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@@ -0,0 +1,51 @@
/*
zip_source_free.c -- free zip data source
Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include "zipint.h"
ZIP_EXTERN void
zip_source_free(struct zip_source *source)
{
if (source == NULL)
return;
(void)source->f(source->ud, NULL, 0, ZIP_SOURCE_FREE);
free(source);
}
+59
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/*
zip_source_function.c -- create zip data source from callback function
Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include "zipint.h"
ZIP_EXTERN struct zip_source *
zip_source_function(struct zip *za, zip_source_callback zcb, void *ud)
{
struct zip_source *zs;
if (za == NULL)
return NULL;
if ((zs=(struct zip_source *)malloc(sizeof(*zs))) == NULL) {
_zip_error_set(&za->error, ZIP_ER_MEMORY, 0);
return NULL;
}
zs->f = zcb;
zs->ud = ud;
return zs;
}
+188
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/*
zip_source_zip.c -- create data source from zip file
Copyright (C) 1999-2008 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include <string.h>
#include "zipint.h"
struct read_zip {
struct zip_file *zf;
struct zip_stat st;
off_t off, len;
};
static ssize_t read_zip(void *st, void *data, size_t len,
enum zip_source_cmd cmd);
ZIP_EXTERN struct zip_source *
zip_source_zip(struct zip *za, struct zip *srcza, int srcidx, int flags,
off_t start, off_t len)
{
struct zip_error error;
struct zip_source *zs;
struct read_zip *p;
/* XXX: ZIP_FL_RECOMPRESS */
if (za == NULL)
return NULL;
if (srcza == NULL || start < 0 || len < -1 || srcidx < 0 || srcidx >= srcza->nentry) {
_zip_error_set(&za->error, ZIP_ER_INVAL, 0);
return NULL;
}
if ((flags & ZIP_FL_UNCHANGED) == 0
&& ZIP_ENTRY_DATA_CHANGED(srcza->entry+srcidx)) {
_zip_error_set(&za->error, ZIP_ER_CHANGED, 0);
return NULL;
}
if (len == 0)
len = -1;
if (start == 0 && len == -1 && (flags & ZIP_FL_RECOMPRESS) == 0)
flags |= ZIP_FL_COMPRESSED;
else
flags &= ~ZIP_FL_COMPRESSED;
if ((p=(struct read_zip *)malloc(sizeof(*p))) == NULL) {
_zip_error_set(&za->error, ZIP_ER_MEMORY, 0);
return NULL;
}
_zip_error_copy(&error, &srcza->error);
if (zip_stat_index(srcza, srcidx, flags, &p->st) < 0
|| (p->zf=zip_fopen_index(srcza, srcidx, flags)) == NULL) {
free(p);
_zip_error_copy(&za->error, &srcza->error);
_zip_error_copy(&srcza->error, &error);
return NULL;
}
p->off = start;
p->len = len;
if ((flags & ZIP_FL_COMPRESSED) == 0) {
p->st.size = p->st.comp_size = len;
p->st.comp_method = ZIP_CM_STORE;
p->st.crc = 0;
}
if ((zs=zip_source_function(za, read_zip, p)) == NULL) {
free(p);
return NULL;
}
return zs;
}
static ssize_t
read_zip(void *state, void *data, size_t len, enum zip_source_cmd cmd)
{
struct read_zip *z;
char b[8192], *buf;
int i, n;
z = (struct read_zip *)state;
buf = (char *)data;
switch (cmd) {
case ZIP_SOURCE_OPEN:
for (n=0; n<z->off; n+= i) {
i = (z->off-n > sizeof(b) ? sizeof(b) : z->off-n);
if ((i=zip_fread(z->zf, b, i)) < 0) {
zip_fclose(z->zf);
z->zf = NULL;
return -1;
}
}
return 0;
case ZIP_SOURCE_READ:
if (z->len != -1)
n = len > z->len ? z->len : len;
else
n = len;
if ((i=zip_fread(z->zf, buf, n)) < 0)
return -1;
if (z->len != -1)
z->len -= i;
return i;
case ZIP_SOURCE_CLOSE:
return 0;
case ZIP_SOURCE_STAT:
if (len < sizeof(z->st))
return -1;
len = sizeof(z->st);
memcpy(data, &z->st, len);
return len;
case ZIP_SOURCE_ERROR:
{
int *e;
if (len < sizeof(int)*2)
return -1;
e = (int *)data;
zip_file_error_get(z->zf, e, e+1);
}
return sizeof(int)*2;
case ZIP_SOURCE_FREE:
zip_fclose(z->zf);
free(z);
return 0;
default:
;
}
return -1;
}
+49
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@@ -0,0 +1,49 @@
/*
zip_stat.c -- get information about file by name
Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "zipint.h"
ZIP_EXTERN int
zip_stat(struct zip *za, const char *fname, int flags, struct zip_stat *st)
{
int idx;
if ((idx=zip_name_locate(za, fname, flags)) < 0)
return -1;
return zip_stat_index(za, idx, flags, st);
}
+90
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/*
zip_stat_index.c -- get information about file by index
Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "zipint.h"
ZIP_EXTERN int
zip_stat_index(struct zip *za, int index, int flags, struct zip_stat *st)
{
const char *name;
if (index < 0 || index >= za->nentry) {
_zip_error_set(&za->error, ZIP_ER_INVAL, 0);
return -1;
}
if ((name=zip_get_name(za, index, flags)) == NULL)
return -1;
if ((flags & ZIP_FL_UNCHANGED) == 0
&& ZIP_ENTRY_DATA_CHANGED(za->entry+index)) {
if (za->entry[index].source->f(za->entry[index].source->ud,
st, sizeof(*st), ZIP_SOURCE_STAT) < 0) {
_zip_error_set(&za->error, ZIP_ER_CHANGED, 0);
return -1;
}
}
else {
if (za->cdir == NULL || index >= za->cdir->nentry) {
_zip_error_set(&za->error, ZIP_ER_INVAL, 0);
return -1;
}
st->crc = za->cdir->entry[index].crc;
st->size = za->cdir->entry[index].uncomp_size;
st->mtime = za->cdir->entry[index].last_mod;
st->comp_size = za->cdir->entry[index].comp_size;
st->comp_method = za->cdir->entry[index].comp_method;
if (za->cdir->entry[index].bitflags & ZIP_GPBF_ENCRYPTED) {
if (za->cdir->entry[index].bitflags & ZIP_GPBF_STRONG_ENCRYPTION) {
/* XXX */
st->encryption_method = ZIP_EM_UNKNOWN;
}
else
st->encryption_method = ZIP_EM_TRAD_PKWARE;
}
else
st->encryption_method = ZIP_EM_NONE;
/* st->bitflags = za->cdir->entry[index].bitflags; */
}
st->index = index;
st->name = name;
return 0;
}
+51
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@@ -0,0 +1,51 @@
/*
zip_stat_init.c -- initialize struct zip_stat.
Copyright (C) 2006-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "zipint.h"
ZIP_EXTERN void
zip_stat_init(struct zip_stat *st)
{
st->name = NULL;
st->index = -1;
st->crc = 0;
st->mtime = (time_t)-1;
st->size = -1;
st->comp_size = -1;
st->comp_method = ZIP_CM_STORE;
st->encryption_method = ZIP_EM_NONE;
}
+44
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@@ -0,0 +1,44 @@
/*
zip_sterror.c -- get string representation of zip error
Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "zipint.h"
ZIP_EXTERN const char *
zip_strerror(struct zip *za)
{
return _zip_error_strerror(&za->error);
}
+82
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@@ -0,0 +1,82 @@
/*
zip_unchange.c -- undo changes to file in zip archive
Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include "zipint.h"
ZIP_EXTERN int
zip_unchange(struct zip *za, int idx)
{
return _zip_unchange(za, idx, 0);
}
int
_zip_unchange(struct zip *za, int idx, int allow_duplicates)
{
int i;
if (idx < 0 || idx >= za->nentry) {
_zip_error_set(&za->error, ZIP_ER_INVAL, 0);
return -1;
}
if (za->entry[idx].ch_filename) {
if (!allow_duplicates) {
i = _zip_name_locate(za,
_zip_get_name(za, idx, ZIP_FL_UNCHANGED, NULL),
0, NULL);
if (i != -1 && i != idx) {
_zip_error_set(&za->error, ZIP_ER_EXISTS, 0);
return -1;
}
}
free(za->entry[idx].ch_filename);
za->entry[idx].ch_filename = NULL;
}
free(za->entry[idx].ch_comment);
za->entry[idx].ch_comment = NULL;
za->entry[idx].ch_comment_len = -1;
_zip_unchange_data(za->entry+idx);
return 0;
}
+54
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@@ -0,0 +1,54 @@
/*
zip_unchange.c -- undo changes to all files in zip archive
Copyright (C) 1999-2007 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include "zipint.h"
ZIP_EXTERN int
zip_unchange_all(struct zip *za)
{
int ret, i;
ret = 0;
for (i=0; i<za->nentry; i++)
ret |= _zip_unchange(za, i, 1);
ret |= zip_unchange_archive(za);
return ret;
}
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/*
zip_unchange_archive.c -- undo global changes to ZIP archive
Copyright (C) 2006-2008 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include "zipint.h"
ZIP_EXTERN int
zip_unchange_archive(struct zip *za)
{
free(za->ch_comment);
za->ch_comment = NULL;
za->ch_comment_len = -1;
za->ch_flags = za->flags;
return 0;
}
+53
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/*
$NiH: zip_unchange_data.c,v 1.14 2004/11/30 23:02:47 wiz Exp $
zip_unchange_data.c -- undo helper function
Copyright (C) 1999, 2004 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include "zipint.h"
void
_zip_unchange_data(struct zip_entry *ze)
{
if (ze->source) {
(void)ze->source->f(ze->source->ud, NULL, 0, ZIP_SOURCE_FREE);
free(ze->source);
ze->source = NULL;
}
ze->state = ze->ch_filename ? ZIP_ST_RENAMED : ZIP_ST_UNCHANGED;
}
+264
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#ifndef _HAD_ZIPINT_H
#define _HAD_ZIPINT_H
/*
zipint.h -- internal declarations.
Copyright (C) 1999-2008 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <libzip@nih.at>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. The names of the authors may not be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <zlib.h>
#ifdef _MSC_VER
#define ZIP_EXTERN __declspec(dllimport)
#endif
#include "zip.h"
#include "config.h"
#ifndef HAVE_MKSTEMP
int _zip_mkstemp(char *);
#define mkstemp _zip_mkstemp
#endif
#ifdef HAVE_MOVEFILEEXA
#include <windows.h>
#define _zip_rename(s, t) \
(!MoveFileExA((s), (t), \
MOVEFILE_COPY_ALLOWED|MOVEFILE_REPLACE_EXISTING))
#else
#define _zip_rename rename
#endif
#ifndef HAVE_FSEEKO
#define fseeko(s, o, w) (fseek((s), (long int)(o), (w)))
#endif
#ifndef HAVE_FTELLO
#define ftello(s) ((long)ftell((s)))
#endif
#define CENTRAL_MAGIC "PK\1\2"
#define LOCAL_MAGIC "PK\3\4"
#define EOCD_MAGIC "PK\5\6"
#define DATADES_MAGIC "PK\7\8"
#define TORRENT_SIG "TORRENTZIPPED-"
#define TORRENT_SIG_LEN 14
#define TORRENT_CRC_LEN 8
#define TORRENT_MEM_LEVEL 8
#define CDENTRYSIZE 46u
#define LENTRYSIZE 30
#define MAXCOMLEN 65536
#define EOCDLEN 22
#define CDBUFSIZE (MAXCOMLEN+EOCDLEN)
#define BUFSIZE 8192
/* state of change of a file in zip archive */
enum zip_state { ZIP_ST_UNCHANGED, ZIP_ST_DELETED, ZIP_ST_REPLACED,
ZIP_ST_ADDED, ZIP_ST_RENAMED };
/* constants for struct zip_file's member flags */
#define ZIP_ZF_EOF 1 /* EOF reached */
#define ZIP_ZF_DECOMP 2 /* decompress data */
#define ZIP_ZF_CRC 4 /* compute and compare CRC */
/* directory entry: general purpose bit flags */
#define ZIP_GPBF_ENCRYPTED 0x0001 /* is encrypted */
#define ZIP_GPBF_DATA_DESCRIPTOR 0x0008 /* crc/size after file data */
#define ZIP_GPBF_STRONG_ENCRYPTION 0x0040 /* uses strong encryption */
/* error information */
struct zip_error {
int zip_err; /* libzip error code (ZIP_ER_*) */
int sys_err; /* copy of errno (E*) or zlib error code */
char *str; /* string representation or NULL */
};
/* zip archive, part of API */
struct zip {
char *zn; /* file name */
FILE *zp; /* file */
struct zip_error error; /* error information */
unsigned int flags; /* archive global flags */
unsigned int ch_flags; /* changed archive global flags */
struct zip_cdir *cdir; /* central directory */
char *ch_comment; /* changed archive comment */
int ch_comment_len; /* length of changed zip archive
* comment, -1 if unchanged */
int nentry; /* number of entries */
int nentry_alloc; /* number of entries allocated */
struct zip_entry *entry; /* entries */
int nfile; /* number of opened files within archive */
int nfile_alloc; /* number of files allocated */
struct zip_file **file; /* opened files within archive */
};
/* file in zip archive, part of API */
struct zip_file {
struct zip *za; /* zip archive containing this file */
struct zip_error error; /* error information */
int flags; /* -1: eof, >0: error */
int method; /* compression method */
off_t fpos; /* position within zip file (fread/fwrite) */
unsigned long bytes_left; /* number of bytes left to read */
unsigned long cbytes_left; /* number of bytes of compressed data left */
unsigned long crc; /* CRC so far */
unsigned long crc_orig; /* CRC recorded in archive */
char *buffer;
z_stream *zstr;
};
/* zip archive directory entry (central or local) */
struct zip_dirent {
unsigned short version_madeby; /* (c) version of creator */
unsigned short version_needed; /* (cl) version needed to extract */
unsigned short bitflags; /* (cl) general purpose bit flag */
unsigned short comp_method; /* (cl) compression method used */
time_t last_mod; /* (cl) time of last modification */
unsigned int crc; /* (cl) CRC-32 of uncompressed data */
unsigned int comp_size; /* (cl) size of commpressed data */
unsigned int uncomp_size; /* (cl) size of uncommpressed data */
char *filename; /* (cl) file name (NUL-terminated) */
unsigned short filename_len; /* (cl) length of filename (w/o NUL) */
char *extrafield; /* (cl) extra field */
unsigned short extrafield_len; /* (cl) length of extra field */
char *comment; /* (c) file comment */
unsigned short comment_len; /* (c) length of file comment */
unsigned short disk_number; /* (c) disk number start */
unsigned short int_attrib; /* (c) internal file attributes */
unsigned int ext_attrib; /* (c) external file attributes */
unsigned int offset; /* (c) offset of local header */
};
/* zip archive central directory */
struct zip_cdir {
struct zip_dirent *entry; /* directory entries */
int nentry; /* number of entries */
unsigned int size; /* size of central direcotry */
unsigned int offset; /* offset of central directory in file */
char *comment; /* zip archive comment */
unsigned short comment_len; /* length of zip archive comment */
};
struct zip_source {
zip_source_callback f;
void *ud;
};
/* entry in zip archive directory */
struct zip_entry {
enum zip_state state;
struct zip_source *source;
char *ch_filename;
char *ch_comment;
int ch_comment_len;
};
extern const char * const _zip_err_str[];
extern const int _zip_nerr_str;
extern const int _zip_err_type[];
#define ZIP_ENTRY_DATA_CHANGED(x) \
((x)->state == ZIP_ST_REPLACED \
|| (x)->state == ZIP_ST_ADDED)
int _zip_cdir_compute_crc(struct zip *, uLong *);
void _zip_cdir_free(struct zip_cdir *);
int _zip_cdir_grow(struct zip_cdir *, int, struct zip_error *);
struct zip_cdir *_zip_cdir_new(int, struct zip_error *);
int _zip_cdir_write(struct zip_cdir *, FILE *, struct zip_error *);
void _zip_dirent_finalize(struct zip_dirent *);
void _zip_dirent_init(struct zip_dirent *);
int _zip_dirent_read(struct zip_dirent *, FILE *, unsigned char **,
unsigned int *, int, struct zip_error *);
void _zip_dirent_torrent_normalize(struct zip_dirent *);
int _zip_dirent_write(struct zip_dirent *, FILE *, int, struct zip_error *);
void _zip_entry_free(struct zip_entry *);
void _zip_entry_init(struct zip *, int);
struct zip_entry *_zip_entry_new(struct zip *);
void _zip_error_clear(struct zip_error *);
void _zip_error_copy(struct zip_error *, struct zip_error *);
void _zip_error_fini(struct zip_error *);
void _zip_error_get(struct zip_error *, int *, int *);
void _zip_error_init(struct zip_error *);
void _zip_error_set(struct zip_error *, int, int);
const char *_zip_error_strerror(struct zip_error *);
int _zip_file_fillbuf(void *, size_t, struct zip_file *);
unsigned int _zip_file_get_offset(struct zip *, int);
int _zip_filerange_crc(FILE *, off_t, off_t, uLong *, struct zip_error *);
struct zip_source *_zip_source_file_or_p(struct zip *, const char *, FILE *,
off_t, off_t);
void _zip_free(struct zip *);
const char *_zip_get_name(struct zip *, int, int, struct zip_error *);
int _zip_local_header_read(struct zip *, int);
void *_zip_memdup(const void *, size_t, struct zip_error *);
int _zip_name_locate(struct zip *, const char *, int, struct zip_error *);
struct zip *_zip_new(struct zip_error *);
unsigned short _zip_read2(unsigned char **);
unsigned int _zip_read4(unsigned char **);
int _zip_replace(struct zip *, int, const char *, struct zip_source *);
int _zip_set_name(struct zip *, int, const char *);
int _zip_unchange(struct zip *, int, int);
void _zip_unchange_data(struct zip_entry *);
#endif /* zipint.h */