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| author | Karel Zak | 2006-12-07 00:25:34 +0100 |
|---|---|---|
| committer | Karel Zak | 2006-12-07 00:25:34 +0100 |
| commit | fd6b7a7ffc50400704beb41d5a23af5f9edb1eed (patch) | |
| tree | 997c0ca2abc018369babd7da59bcd0afe492068e /mount/realpath.c | |
| parent | Imported from util-linux-2.5 tarball. (diff) | |
| download | kernel-qcow2-util-linux-fd6b7a7ffc50400704beb41d5a23af5f9edb1eed.tar.gz kernel-qcow2-util-linux-fd6b7a7ffc50400704beb41d5a23af5f9edb1eed.tar.xz kernel-qcow2-util-linux-fd6b7a7ffc50400704beb41d5a23af5f9edb1eed.zip | |
Imported from util-linux-2.7.1 tarball.
Diffstat (limited to 'mount/realpath.c')
| -rw-r--r-- | mount/realpath.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/mount/realpath.c b/mount/realpath.c index 4ea46a311..4214cad72 100644 --- a/mount/realpath.c +++ b/mount/realpath.c @@ -13,8 +13,11 @@ * GNU Library Public License for more details. */ +#define HAVE_GETCWD + /* - * realpath.c,v 1.1.1.1 1993/11/18 08:40:51 jrs Exp + * This routine is part of libc. We include it nevertheless, + * since the libc version has some security flaws. */ #ifdef __linux__ @@ -79,9 +82,14 @@ char *resolved_path; int n; /* Make a copy of the source path since we may need to modify it. */ + if (strlen(path) >= PATH_MAX) { + errno = ENAMETOOLONG; + return NULL; + } strcpy(copy_path, path); path = copy_path; max_path = copy_path + PATH_MAX - 2; + /* If it's a relative pathname use getwd for starters. */ if (*path != '/') { #ifdef HAVE_GETCWD |