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dpkg: fix creation of .list files (were empty since b768aeb). Closes 5324

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While at it, fix filename order and free the list of names.

function                                             old     new   delta
llist_rev                                              -      21     +21
get_header_tar                                      1733    1741      +8
unpack_package                                       587     585      -2
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 1/1 up/down: 29/-2)              Total: 27 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2012-06-22 16:27:21 +02:00
parent d52c9510fd
commit 440a509849
3 changed files with 14 additions and 6 deletions
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13
archival/dpkg.c
View File

@ -1665,20 +1665,25 @@ static void unpack_package(deb_file_t *deb_file)
archive_handle = init_archive_deb_ar(deb_file->filename);
init_archive_deb_data(archive_handle);
archive_handle->dpkg__sub_archive->accept = conffile_list;
/* Why ARCHIVE_REMEMBER_NAMES?
* We want names collected in ->passed list even if conffile_list
* is NULL (otherwise get_header_tar may optimize name saving out):
*/
archive_handle->dpkg__sub_archive->ah_flags |= ARCHIVE_REMEMBER_NAMES | ARCHIVE_UNLINK_OLD;
archive_handle->dpkg__sub_archive->filter = filter_rename_config;
archive_handle->dpkg__sub_archive->action_data = data_extract_all_prefix;
archive_handle->dpkg__sub_archive->dpkg__buffer = (char*)"/"; /* huh? */
archive_handle->dpkg__sub_archive->ah_flags |= ARCHIVE_UNLINK_OLD;
unpack_ar_archive(archive_handle);
/* Create the list file */
list_filename = xasprintf("/var/lib/dpkg/info/%s.%s", package_name, "list");
out_stream = xfopen_for_write(list_filename);
archive_handle->dpkg__sub_archive->passed = llist_rev(archive_handle->dpkg__sub_archive->passed);
while (archive_handle->dpkg__sub_archive->passed) {
char *filename = llist_pop(&archive_handle->dpkg__sub_archive->passed);
/* the leading . has been stripped by data_extract_all_prefix already */
fputs(archive_handle->dpkg__sub_archive->passed->data, out_stream);
fputc('\n', out_stream);
archive_handle->dpkg__sub_archive->passed = archive_handle->dpkg__sub_archive->passed->link;
fprintf(out_stream, "%s\n", filename);
free(filename);
}
fclose(out_stream);

6
archival/libarchive/get_header_tar.c
View File

@ -452,9 +452,11 @@ char FAST_FUNC get_header_tar(archive_handle_t *archive_handle)
if (cp)
*cp = '\0';
archive_handle->action_data(archive_handle);
if (archive_handle->accept || archive_handle->reject)
if (archive_handle->accept || archive_handle->reject
|| (archive_handle->ah_flags & ARCHIVE_REMEMBER_NAMES)
) {
llist_add_to(&archive_handle->passed, file_header->name);
else /* Caller isn't interested in list of unpacked files */
} else /* Caller isn't interested in list of unpacked files */
free(file_header->name);
} else {
data_skip(archive_handle);

1
include/bb_archive.h
View File

@ -121,6 +121,7 @@ typedef struct archive_handle_t {
#define ARCHIVE_DONT_RESTORE_PERM (1 << 6)
#define ARCHIVE_NUMERIC_OWNER (1 << 7)
#define ARCHIVE_O_TRUNC (1 << 8)
#define ARCHIVE_REMEMBER_NAMES (1 << 9)
/* POSIX tar Header Block, from POSIX 1003.1-1990 */