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unarchive function changed to support both exclude and include lists, applets that use unarchive changed to match.

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This commit is contained in:
Glenn L McGrath 2001-10-13 19:43:46 +00:00
parent 051eee6ed3
commit 4bef7b4186
9 changed files with 34 additions and 79 deletions
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2
ar.c
View File

@ -84,6 +84,6 @@ extern int ar_main(int argc, char **argv)
optind++;
}
unarchive(src_stream, stdout, &get_header_ar, extract_function, "./", extract_names);
unarchive(src_stream, stdout, &get_header_ar, extract_function, "./", extract_names, NULL);
return EXIT_SUCCESS;
}

2
archival/ar.c
View File

@ -84,6 +84,6 @@ extern int ar_main(int argc, char **argv)
optind++;
}
unarchive(src_stream, stdout, &get_header_ar, extract_function, "./", extract_names);
unarchive(src_stream, stdout, &get_header_ar, extract_function, "./", extract_names, NULL);
return EXIT_SUCCESS;
}

2
archival/cpio.c
View File

@ -86,7 +86,7 @@ extern int cpio_main(int argc, char **argv)
optind++;
}
unarchive(src_stream, stdout, &get_header_cpio, extract_function, "./", extract_names);
unarchive(src_stream, stdout, &get_header_cpio, extract_function, "./", extract_names, NULL);
if (oldmask) {
umask(oldmask); /* Restore umask if we changed it */
}

31
archival/tar.c
View File

@ -580,15 +580,10 @@ int tar_main(int argc, char **argv)
untar_extract = 32
};
#ifdef BB_FEATURE_TAR_EXCLUDE
char **exclude_list = NULL;
int exclude_list_count = 0;
#endif
FILE *src_stream = NULL;
FILE *uncompressed_stream = NULL;
char **include_list = NULL;
char **the_real_list = NULL;
char **exclude_list = NULL;
char *src_filename = NULL;
char *dst_prefix = NULL;
char *file_list_name = NULL;
@ -597,6 +592,7 @@ int tar_main(int argc, char **argv)
unsigned short untar_funct_required = 0;
unsigned short extract_function = 0;
int include_list_count = 0;
int exclude_list_count = 0;
int gunzip_pid;
int gz_fd = 0;
@ -691,25 +687,6 @@ int tar_main(int argc, char **argv)
optind++;
}
/* By default the include list is the list we act on */
the_real_list = include_list;
#ifdef BB_FEATURE_TAR_EXCLUDE
if (exclude_list != NULL) {
if (include_list == NULL) {
/* the_real_list is an exclude list */
extract_function |= extract_exclude_list;
the_real_list = exclude_list;
} else {
/* Both an exclude and include file list was present,
* its an exclude from include list only.
* Remove excluded files from the include list
*/
the_real_list = list_and_not_list(include_list, exclude_list);
}
}
#endif
if (extract_function & (extract_list | extract_all_to_fs)) {
if (dst_prefix == NULL) {
dst_prefix = xstrdup("./");
@ -730,7 +707,7 @@ int tar_main(int argc, char **argv)
uncompressed_stream = src_stream;
/* extract or list archive */
unarchive(uncompressed_stream, stdout, &get_header_tar, extract_function, dst_prefix, the_real_list);
unarchive(uncompressed_stream, stdout, &get_header_tar, extract_function, dst_prefix, include_list, exclude_list);
fclose(uncompressed_stream);
}
#ifdef BB_FEATURE_TAR_CREATE
@ -746,7 +723,7 @@ int tar_main(int argc, char **argv)
if (extract_function & extract_verbose_list) {
verboseFlag = TRUE;
}
writeTarFile(src_filename, verboseFlag, &argv[argc - 1], the_real_list);
writeTarFile(src_filename, verboseFlag, &argv[argc - 1], include_list);
}
#endif // BB_FEATURE_TAR_CREATE

2
cpio.c
View File

@ -86,7 +86,7 @@ extern int cpio_main(int argc, char **argv)
optind++;
}
unarchive(src_stream, stdout, &get_header_cpio, extract_function, "./", extract_names);
unarchive(src_stream, stdout, &get_header_cpio, extract_function, "./", extract_names, NULL);
if (oldmask) {
umask(oldmask); /* Restore umask if we changed it */
}

4
include/libbb.h
View File

@ -245,8 +245,8 @@ enum extract_functions_e {
extract_quiet = 2048,
extract_exclude_list = 4096
};
char *unarchive(FILE *src_stream, FILE *out_stream, file_header_t *(*get_header)(FILE *),
const int extract_function, const char *prefix, char **extract_names);
char *unarchive(FILE *src_stream, FILE *out_stream, file_header_t *(*get_headers)(FILE *),
const int extract_function, const char *prefix, char **include_name, char **exclude_name);
char *deb_extract(const char *package_filename, FILE *out_stream, const int extract_function,
const char *prefix, const char *filename);
int read_package_field(const char *package_buffer, char **field_name, char **field_value);

4
libbb/libbb.h
View File

@ -245,8 +245,8 @@ enum extract_functions_e {
extract_quiet = 2048,
extract_exclude_list = 4096
};
char *unarchive(FILE *src_stream, FILE *out_stream, file_header_t *(*get_header)(FILE *),
const int extract_function, const char *prefix, char **extract_names);
char *unarchive(FILE *src_stream, FILE *out_stream, file_header_t *(*get_headers)(FILE *),
const int extract_function, const char *prefix, char **include_name, char **exclude_name);
char *deb_extract(const char *package_filename, FILE *out_stream, const int extract_function,
const char *prefix, const char *filename);
int read_package_field(const char *package_buffer, char **field_name, char **field_value);

35
libbb/unarchive.c
View File

@ -230,35 +230,36 @@ char *extract_archive(FILE *src_stream, FILE *out_stream, const file_header_t *f
#ifdef L_unarchive
char *unarchive(FILE *src_stream, FILE *out_stream, file_header_t *(*get_headers)(FILE *),
const int extract_function, const char *prefix, char **extract_names)
const int extract_function, const char *prefix, char **include_name, char **exclude_name)
{
file_header_t *file_entry;
int extract_flag;
int extract_flag = TRUE;
int i;
char *buffer = NULL;
archive_offset = 0;
while ((file_entry = get_headers(src_stream)) != NULL) {
extract_flag = TRUE;
if (extract_names != NULL) {
int found_flag = FALSE;
for(i = 0; extract_names[i] != 0; i++) {
if (fnmatch(extract_names[i], file_entry->name, FNM_LEADING_DIR) == 0) {
found_flag = TRUE;
if (include_name != NULL) {
extract_flag = FALSE;
for(i = 0; include_name[i] != 0; i++) {
if (fnmatch(include_name[i], file_entry->name, FNM_LEADING_DIR) == 0) {
extract_flag = TRUE;
break;
}
}
if (extract_function & extract_exclude_list) {
if (found_flag == TRUE) {
extract_flag = FALSE;
}
} else {
/* If its not found in the include list dont extract it */
if (found_flag == FALSE) {
} else {
extract_flag = TRUE;
}
/* If the file entry is in the exclude list dont extract it */
if (exclude_name != NULL) {
for(i = 0; exclude_name[i] != 0; i++) {
if (fnmatch(exclude_name[i], file_entry->name, FNM_LEADING_DIR) == 0) {
extract_flag = FALSE;
break;
}
}
}
if (extract_flag == TRUE) {
@ -607,7 +608,7 @@ char *deb_extract(const char *package_filename, FILE *out_stream,
/* open a stream of decompressed data */
uncompressed_stream = gz_open(deb_stream, &gunzip_pid);
archive_offset = 0;
output_buffer = unarchive(uncompressed_stream, out_stream, get_header_tar, extract_function, prefix, file_list);
output_buffer = unarchive(uncompressed_stream, out_stream, get_header_tar, extract_function, prefix, file_list, NULL);
}
seek_sub_file(deb_stream, ar_header->size);
free(ar_header->name);

31
tar.c
View File

@ -580,15 +580,10 @@ int tar_main(int argc, char **argv)
untar_extract = 32
};
#ifdef BB_FEATURE_TAR_EXCLUDE
char **exclude_list = NULL;
int exclude_list_count = 0;
#endif
FILE *src_stream = NULL;
FILE *uncompressed_stream = NULL;
char **include_list = NULL;
char **the_real_list = NULL;
char **exclude_list = NULL;
char *src_filename = NULL;
char *dst_prefix = NULL;
char *file_list_name = NULL;
@ -597,6 +592,7 @@ int tar_main(int argc, char **argv)
unsigned short untar_funct_required = 0;
unsigned short extract_function = 0;
int include_list_count = 0;
int exclude_list_count = 0;
int gunzip_pid;
int gz_fd = 0;
@ -691,25 +687,6 @@ int tar_main(int argc, char **argv)
optind++;
}
/* By default the include list is the list we act on */
the_real_list = include_list;
#ifdef BB_FEATURE_TAR_EXCLUDE
if (exclude_list != NULL) {
if (include_list == NULL) {
/* the_real_list is an exclude list */
extract_function |= extract_exclude_list;
the_real_list = exclude_list;
} else {
/* Both an exclude and include file list was present,
* its an exclude from include list only.
* Remove excluded files from the include list
*/
the_real_list = list_and_not_list(include_list, exclude_list);
}
}
#endif
if (extract_function & (extract_list | extract_all_to_fs)) {
if (dst_prefix == NULL) {
dst_prefix = xstrdup("./");
@ -730,7 +707,7 @@ int tar_main(int argc, char **argv)
uncompressed_stream = src_stream;
/* extract or list archive */
unarchive(uncompressed_stream, stdout, &get_header_tar, extract_function, dst_prefix, the_real_list);
unarchive(uncompressed_stream, stdout, &get_header_tar, extract_function, dst_prefix, include_list, exclude_list);
fclose(uncompressed_stream);
}
#ifdef BB_FEATURE_TAR_CREATE
@ -746,7 +723,7 @@ int tar_main(int argc, char **argv)
if (extract_function & extract_verbose_list) {
verboseFlag = TRUE;
}
writeTarFile(src_filename, verboseFlag, &argv[argc - 1], the_real_list);
writeTarFile(src_filename, verboseFlag, &argv[argc - 1], include_list);
}
#endif // BB_FEATURE_TAR_CREATE