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libselinux: src: matchpathcon: make sure resolved path starts with / 

Resolving paths from relative to absolute didn't always start with a /.
Make sure they start with a /.

Signed-off-by: Eric Paris <eparis@redhat.com>
This commit is contained in:
Eric Paris 2011-09-15 17:58:52 -04:00
parent 09b635fa20
commit 7bfaa63839
1 changed files with 4 additions and 1 deletions
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5
libselinux/src/matchpathcon.c
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@ -381,14 +381,17 @@ static int symlink_realpath(const char *name, char *resolved_path)
} }
len = strlen(p); len = strlen(p);
if (len + strlen(last_component) + 1 > PATH_MAX) { if (len + strlen(last_component) + 2 > PATH_MAX) {
myprintf("symlink_realpath(%s) failed: Filename too long \n", myprintf("symlink_realpath(%s) failed: Filename too long \n",
name); name);
errno=ENAMETOOLONG;
rc = -1; rc = -1;
goto out; goto out;
} }
resolved_path += len; resolved_path += len;
strcpy(resolved_path, "/");
resolved_path += 1;
strcpy(resolved_path, last_component); strcpy(resolved_path, last_component);
out: out:
free(tmp_path); free(tmp_path);