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authorChantry Xavier <shiningxc@gmail.com>2008-03-28 23:58:33 +0100
committerDan McGee <dan@archlinux.org>2008-03-28 18:32:04 -0500
commit3fe43ffa04efd9937205938ef74d9dbba1a7aa42 (patch)
treefd34e2bde926e7bee667bf9ae1efb068a4de419f /lib/libalpm/add.c
parent562442633a9dd8026d914d785f15de2d0a95fdef (diff)
downloadpacman-3fe43ffa04efd9937205938ef74d9dbba1a7aa42.tar.xz
Duplicate the result of archive_entry_pathname.
After the libarchive upgrade from 2.4.12 to 2.4.14, our usage of archive_entry_pathname became dangerous. We were using the result of that function even after calls to archive_entry_set_pathname. With 2.4.14, the entryname becomes wrong after these calls, and so all the future use of entryname are bogus. entryname is used quite a lot for logging, so that's not so bad. But it's also used for the backup handling, so that's not very cool. For example, reinstalling a package with backup entries will erase all the md5 entries from the DB, because they won't be found back. entryname is now a static string so that we can easily keep the result of archive_entry_pathname. Signed-off-by: Chantry Xavier <shiningxc@gmail.com> [Dan: fixed version numbers in commit message] Signed-off-by: Dan McGee <dan@archlinux.org>
Diffstat (limited to 'lib/libalpm/add.c')
-rw-r--r--lib/libalpm/add.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/libalpm/add.c b/lib/libalpm/add.c
index 8b06bef5..42015224 100644
--- a/lib/libalpm/add.c
+++ b/lib/libalpm/add.c
@@ -290,7 +290,7 @@ static int extract_single_file(struct archive *archive,
struct archive_entry *entry, pmpkg_t *newpkg, pmpkg_t *oldpkg,
pmtrans_t *trans, pmdb_t *db)
{
- const char *entryname; /* the name of the file in the archive */
+ char entryname[PATH_MAX]; /* the name of the file in the archive */
mode_t entrymode;
char filename[PATH_MAX]; /* the actual file we're extracting */
int needbackup = 0, notouch = 0;
@@ -300,7 +300,7 @@ static int extract_single_file(struct archive *archive,
ARCHIVE_EXTRACT_TIME;
int errors = 0;
- entryname = archive_entry_pathname(entry);
+ strncpy(entryname, archive_entry_pathname(entry), PATH_MAX);
entrymode = archive_entry_mode(entry);
memset(filename, 0, PATH_MAX); /* just to be sure */