blob: f65f89f46b28b97eaa35f1cdb2bbcfafeb43de91 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
libarchive: Backport patch from upstream (revision 1990)
Upstream-Status: Backport
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
diff --git a/libarchive/archive_read_disk_entry_from_file.c b/libarchive/archive_read_disk_entry_from_file.c
index 7473c50..27671df 100644
--- a/libarchive/archive_read_disk_entry_from_file.c
+++ b/libarchive/archive_read_disk_entry_from_file.c
@@ -163,15 +163,26 @@ archive_read_disk_entry_from_file(struct archive *_a,
#ifdef HAVE_READLINK
if (S_ISLNK(st->st_mode)) {
- char linkbuffer[PATH_MAX + 1];
- int lnklen = readlink(path, linkbuffer, PATH_MAX);
+ size_t linkbuffer_len = st->st_size + 1;
+ char *linkbuffer;
+ int lnklen;
+
+ linkbuffer = malloc(linkbuffer_len);
+ if (linkbuffer == NULL) {
+ archive_set_error(&a->archive, ENOMEM,
+ "Couldn't read link data");
+ return (ARCHIVE_FAILED);
+ }
+ lnklen = readlink(path, linkbuffer, linkbuffer_len);
if (lnklen < 0) {
archive_set_error(&a->archive, errno,
"Couldn't read link data");
+ free(linkbuffer);
return (ARCHIVE_FAILED);
}
linkbuffer[lnklen] = 0;
archive_entry_set_symlink(entry, linkbuffer);
+ free(linkbuffer);
}
#endif
--
1.7.1
|
