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archive.c
670 lines (558 loc) · 17.1 KB
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archive.c
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/* Archive functions
*
* Copyright (c) 2012 StartOS
*
* Written by: 0o0<0o0zzyz@gmail.com>
* Version: 0.1
* Date: 2012.4.12
*/
#include "archive.h"
/*
* file to file
*/
int archive_extract_file( char *arch_file, const char *src, char *dest )
{
int flags;
const char *filename;
struct archive *arch_r = NULL, *arch_w = NULL;
struct archive_entry *entry;
if( !arch_file || !src || !dest )
return -1;
arch_r = archive_read_new();
archive_read_support_format_all( arch_r );
archive_read_support_compression_all( arch_r );
if( archive_read_open_filename( arch_r, arch_file, 10240 ) != ARCHIVE_OK )
goto errout;
while( archive_read_next_header( arch_r, &entry ) == ARCHIVE_OK )
{
filename = archive_entry_pathname( entry );
if( fnmatch( src, filename, FNM_PATHNAME | FNM_PERIOD ) )
{
if( archive_read_data_skip( arch_r ) != ARCHIVE_OK )
{
goto errout;
}
}
else
{
#ifdef DEBUG
printf("extract:%s\n", filename );
#endif
flags = ARCHIVE_EXTRACT_TIME | ARCHIVE_EXTRACT_PERM | ARCHIVE_EXTRACT_ACL | ARCHIVE_EXTRACT_FFLAGS;
arch_w = archive_write_disk_new();
archive_write_disk_set_options( arch_w, flags );
archive_write_disk_set_standard_lookup( arch_w );
archive_entry_set_pathname( entry, dest );
if( archive_read_extract2( arch_r, entry, arch_w ) != ARCHIVE_OK )
goto errout;
archive_write_finish( arch_w );
}
}
archive_read_finish( arch_r );
return 0;
errout:
#ifdef DEBUG
fprintf( stderr, "%s\n", archive_error_string( arch_r ) );
#endif
if( arch_r )
archive_read_finish( arch_r );
if( arch_w )
archive_write_finish( arch_w );
return -1;
}
/*
* file to memory
*/
int archive_extract_file2( char *arch_file, const char *src, void **dest_buff, size_t *dest_len )
{
const char *filename;
struct archive *arch_r = NULL;
struct archive_entry *entry;
if( !arch_file || !src )
return -1;
arch_r = archive_read_new();
archive_read_support_format_all( arch_r );
archive_read_support_compression_all( arch_r );
if( archive_read_open_filename( arch_r, arch_file, 10240 ) != ARCHIVE_OK )
goto errout;
while( archive_read_next_header( arch_r, &entry ) == ARCHIVE_OK )
{
filename = archive_entry_pathname( entry );
if( fnmatch( src, filename, FNM_PATHNAME | FNM_PERIOD ) )
{
if( archive_read_data_skip( arch_r ) != ARCHIVE_OK )
{
goto errout;
}
}
else
{
#ifdef DEBUG
printf("extract:%s\n", filename );
#endif
*dest_len = archive_entry_size( entry );
if( *dest_len > 0 )
{
*dest_buff = malloc( *dest_len + 10 );
memset( *dest_buff, 0, *dest_len + 10 );
}
if( archive_read_data( arch_r, *dest_buff, *dest_len) < 0 )
goto errout;
}
}
archive_read_finish( arch_r );
return 0;
errout:
#ifdef DEBUG
fprintf( stderr, "errno:%d, error:%s\n", archive_errno( arch_r ), archive_error_string( arch_r ) );
#endif
if( arch_r )
archive_read_finish( arch_r );
return -1;
}
/*
* memory to file
*/
int archive_extract_file3( void *arch_buff, size_t arch_size, const char *src, char *dest )
{
int flags;
const char *filename;
struct archive *arch_r = NULL, *arch_w = NULL;
struct archive_entry *entry;
if( !src || !dest )
return -1;
arch_r = archive_read_new();
archive_read_support_format_all( arch_r );
archive_read_support_compression_all( arch_r );
if( archive_read_open_memory( arch_r, arch_buff, arch_size ) != ARCHIVE_OK )
goto errout;
while( archive_read_next_header( arch_r, &entry ) == ARCHIVE_OK )
{
filename = archive_entry_pathname( entry );
if( fnmatch( src, filename, FNM_PATHNAME | FNM_PERIOD ) )
{
if( archive_read_data_skip( arch_r ) != ARCHIVE_OK )
{
goto errout;
}
}
else
{
#ifdef DEBUG
printf("extract:%s\n", filename );
#endif
flags = ARCHIVE_EXTRACT_TIME | ARCHIVE_EXTRACT_PERM | ARCHIVE_EXTRACT_ACL | ARCHIVE_EXTRACT_FFLAGS;
arch_w = archive_write_disk_new();
archive_write_disk_set_options( arch_w, flags );
archive_write_disk_set_standard_lookup( arch_w );
archive_entry_set_pathname( entry, dest );
if( archive_read_extract2( arch_r, entry, arch_w ) != ARCHIVE_OK )
goto errout;
archive_write_finish( arch_w );
}
}
archive_read_finish( arch_r );
return 0;
errout:
#ifdef DEBUG
fprintf( stderr, "%s\n", archive_error_string( arch_r ) );
#endif
if( arch_r )
archive_read_finish( arch_r );
if( arch_w )
archive_write_finish( arch_w );
return -1;
}
/*
* memory to memory
*/
int archive_extract_file4( void *arch_buff, size_t arch_size, const char *src, void **dest_buff, size_t *dest_len )
{
const char *filename;
struct archive *arch_r = NULL;
struct archive_entry *entry;
if( !src )
return -1;
arch_r = archive_read_new();
archive_read_support_format_all( arch_r );
archive_read_support_compression_all( arch_r );
if( archive_read_open_memory( arch_r, arch_buff, arch_size ) != ARCHIVE_OK )
goto errout;
while( archive_read_next_header( arch_r, &entry ) == ARCHIVE_OK )
{
filename = archive_entry_pathname( entry );
if( fnmatch( src, filename, FNM_PATHNAME | FNM_PERIOD ) )
{
if( archive_read_data_skip( arch_r ) != ARCHIVE_OK )
{
goto errout;
}
}
else
{
#ifdef DEBUG
printf("extract:%s\n", filename );
#endif
*dest_len = archive_entry_size( entry );
if( *dest_len > 0 )
{
*dest_buff = malloc( *dest_len + 1 );
memset( *dest_buff, 0, *dest_len + 1 );
}
if( archive_read_data( arch_r, *dest_buff, *dest_len) < 0 )
goto errout;
}
}
archive_read_finish( arch_r );
return 0;
errout:
#ifdef DEBUG
fprintf( stderr, "%s\n", archive_error_string( arch_r ) );
#endif
if( arch_r )
archive_read_finish( arch_r );
return -1;
}
int archive_extract_all( char *arch_file, char *dest_dir, char *suffix )
{
int ret, flags;
char *pwd = NULL, *filename = NULL, *filename_new = NULL, *hardlink = NULL;
struct archive *arch_r = NULL, *arch_w = NULL;
struct archive_entry *entry = NULL;
if( !arch_file )
return -1;
arch_r = archive_read_new();
archive_read_support_format_all( arch_r );
archive_read_support_compression_all( arch_r );
if( archive_read_open_filename( arch_r, arch_file, 10240 ) != ARCHIVE_OK )
goto errout;
if( dest_dir )
{
if( util_mkdir( dest_dir ) == -1 )
{
if( errno == EEXIST )
{
if( access( dest_dir, R_OK | W_OK | X_OK ) == -1 )
{
goto errout;
}
}
else
{
goto errout;
}
}
pwd = getcwd( NULL, 0 );
chdir( dest_dir );
}
flags = ARCHIVE_EXTRACT_TIME | ARCHIVE_EXTRACT_PERM | ARCHIVE_EXTRACT_ACL | ARCHIVE_EXTRACT_FFLAGS | ARCHIVE_EXTRACT_OWNER;
arch_w = archive_write_disk_new();
archive_write_disk_set_options( arch_w, flags );
archive_write_disk_set_standard_lookup( arch_w );
while( archive_read_next_header( arch_r, &entry ) == ARCHIVE_OK )
{
if( suffix )
filename = (char *)archive_entry_pathname( entry );
#ifdef DEBUG
if( !filename )
filename = (char *)archive_entry_pathname( entry );
printf("extract:%s\n", filename );
#endif
if( suffix && archive_entry_filetype( entry ) != AE_IFDIR )
{
filename_new = util_strcat( filename, suffix, NULL );
archive_entry_set_pathname( entry, filename_new );
free( filename_new );
if( archive_entry_nlink( entry ) > 0 )
{
hardlink = (char *)archive_entry_hardlink( entry );
if( hardlink )
{
filename_new = util_strcat( hardlink, suffix, NULL );
archive_entry_set_hardlink( entry, filename_new );
free( filename_new );
}
}
}
ret = archive_read_extract2( arch_r, entry, arch_w );
if( ret != ARCHIVE_OK && ret != ARCHIVE_WARN )
{
goto errout;
}
#ifdef DEBUG
if( ret != ARCHIVE_OK)
{
printf("ret:%d, file:%s, link:%d, size:%d, read_err:%s, write_err:%s\n", ret, filename, archive_entry_nlink(entry), archive_entry_size(entry), archive_error_string(arch_r), archive_error_string(arch_w));
}
#endif
}
archive_read_finish( arch_r );
archive_write_finish( arch_w );
if( pwd )
{
chdir( pwd );
free( pwd );
}
return 0;
errout:
if( arch_r )
archive_read_finish( arch_r );
if( arch_w )
archive_write_finish( arch_w );
if( pwd )
{
chdir( pwd );
free( pwd );
}
return -1;
}
int archive_create( char *arch_file, int compress, int format, char *src_dir, char **exclude )
{
int fd, len, ret, skip;
char *pwd, **files;
DIR *dir;
struct dirent *dir_entry;
struct archive *arch_w = NULL, *arch_r = NULL;
struct archive_entry *arch_entry = NULL;
char buf[8192];
if( !arch_file || !src_dir )
return -1;
dir = opendir( src_dir );
if( !dir )
return -1;
arch_w = archive_write_new();
switch( compress )
{
case 'j': //bz2
//archive_write_add_filter_bzip2( arch_w ); //libarchive 3
archive_write_set_compression_bzip2( arch_w );
break;
case 'J': //xz
//archive_write_add_filter_xz( arch_w );
archive_write_set_compression_xz( arch_w );
break;
case 'z': //gzip
//archive_write_add_filter_gzip( arch_w );
archive_write_set_compression_gzip( arch_w );
break;
}
switch( format )
{
case 'c': //cpio
archive_write_set_format_cpio( arch_w );
break;
case 't': //tar
archive_write_set_format_ustar( arch_w );
break;
default: //tar
archive_write_set_format_ustar( arch_w );
break;
}
ret = archive_write_open_filename( arch_w, arch_file );
if( ret != ARCHIVE_OK )
{
archive_write_finish( arch_w );
return -1;
}
pwd = getcwd( NULL, 0 );
chdir( src_dir );
while( (dir_entry = readdir( dir )) )
{
if( !strcmp( dir_entry->d_name, "." ) || !strcmp( dir_entry->d_name, ".." ) )
{
continue;
}
if( exclude )
{
files = exclude;
skip = 0;
while( *files )
{
if( !strcmp( *files, dir_entry->d_name ) )
{
skip = 1;
break;
}
files++;
}
if( skip )
continue;
}
arch_r = archive_read_disk_new();
ret = archive_read_disk_open( arch_r, dir_entry->d_name );
if( ret != ARCHIVE_OK )
{
#ifdef DEBUG
printf( "%s\n", archive_error_string( arch_r ) );
#endif
archive_write_finish( arch_w );
return -1;
}
for( ; ; )
{
arch_entry = archive_entry_new();
ret = archive_read_next_header2( arch_r, arch_entry );
if( ret == ARCHIVE_EOF )
break;
if( ret != ARCHIVE_OK )
{
#ifdef DEBUG
printf( "%s\n", archive_error_string( arch_r ) );
#endif
archive_entry_free( arch_entry );
archive_write_finish( arch_r );
archive_write_finish( arch_w );
return -1;
}
#ifdef DEBUG
printf( "%s\n", archive_entry_pathname( arch_entry ) );
#endif
archive_read_disk_descend( arch_r );
ret = archive_write_header( arch_w, arch_entry );
if( ret < ARCHIVE_OK )
{
#ifdef DEBUG
printf( "%s\n", archive_error_string( arch_w ) );
#endif
archive_entry_free( arch_entry );
archive_write_finish( arch_r );
archive_write_finish( arch_w );
return -1;
}
if( ( fd = open( archive_entry_sourcepath( arch_entry ), O_RDONLY ) ) != -1 )
{
len = read( fd, buf, 8192 );
while( len > 0 )
{
archive_write_data( arch_w, buf, len );
len = read( fd, buf, 8192 );
}
close( fd );
}
archive_entry_free( arch_entry );
}
/* libarchive 3
archive_read_close( arch_r );
archive_read_free( arch_r );
*/
archive_read_finish( arch_r );
}
if( arch_w )
{
/* libarchive 3
archive_write_close( arch_r );
archive_write_free( arch_r );
*/
archive_write_finish( arch_w );
}
if( pwd )
{
chdir( pwd );
free( pwd );
}
return 0;
}
int archive_create2( char *arch_file, int compress, int format, char **files )
{
int fd, len, ret;
struct archive *arch_w = NULL, *arch_r;
struct archive_entry *arch_entry = NULL;
char buf[8192];
if( !arch_file || !files )
return -1;
arch_w = archive_write_new();
switch( compress )
{
case 'j': //bz2
//archive_write_add_filter_bzip2( arch_w );
archive_write_set_compression_bzip2( arch_w );
break;
case 'J': //xz
//archive_write_add_filter_xz( arch_w );
archive_write_set_compression_xz( arch_w );
break;
case 'z': //gzip
//archive_write_add_filter_gzip( arch_w );
archive_write_set_compression_gzip( arch_w );
break;
}
switch( format )
{
case 'c': //cpio
archive_write_set_format_cpio( arch_w );
break;
case 't': //tar
archive_write_set_format_ustar( arch_w );
break;
default: //tar
archive_write_set_format_ustar( arch_w );
break;
}
ret = archive_write_open_filename( arch_w, arch_file );
if( ret != ARCHIVE_OK )
{
archive_write_finish( arch_w );
return -1;
}
while( *files )
{
arch_r = archive_read_disk_new();
ret = archive_read_disk_open( arch_r, *files );
if( ret != ARCHIVE_OK )
{
#ifdef DEBUG
printf( "%s\n", archive_error_string( arch_r ) );
#endif
archive_write_finish( arch_w );
return -1;
}
for( ; ; )
{
arch_entry = archive_entry_new();
ret = archive_read_next_header2( arch_r, arch_entry );
if( ret == ARCHIVE_EOF )
break;
if( ret != ARCHIVE_OK )
{
#ifdef DEBUG
printf( "%s\n", archive_error_string( arch_r ) );
#endif
archive_entry_free( arch_entry );
archive_write_finish( arch_r );
archive_write_finish( arch_w );
return -1;
}
archive_read_disk_descend( arch_r );
ret = archive_write_header( arch_w, arch_entry );
if( ret < ARCHIVE_OK )
{
#ifdef DEBUG
printf( "%s\n", archive_error_string( arch_w ) );
#endif
archive_entry_free( arch_entry );
archive_write_finish( arch_r );
archive_write_finish( arch_w );
return -1;
}
if( ( fd = open( archive_entry_sourcepath( arch_entry ), O_RDONLY ) ) != -1 )
{
len = read( fd, buf, 8192 );
while( len > 0 )
{
archive_write_data( arch_w, buf, len );
len = read( fd, buf, 8192 );
}
close( fd );
}
archive_entry_free( arch_entry );
}
/* libarchive 3
archive_read_close( arch_r );
archive_read_free( arch_r );
*/
archive_read_finish( arch_r );
}
if( arch_w )
archive_write_finish( arch_w );
return 0;
}