diff options
| -rw-r--r-- | kernel/auditfilter.c | 27 |
1 files changed, 7 insertions, 20 deletions
diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c index ff4011c19b13..d705eb17661b 100644 --- a/kernel/auditfilter.c +++ b/kernel/auditfilter.c @@ -1332,32 +1332,19 @@ int parent_len(const char *path) * return of 0 indicates a match. */ int audit_compare_dname_path(const char *dname, const char *path) { - int dlen, plen; + int dlen, pathlen, parentlen; const char *p; - if (!dname || !path) - return 1; - dlen = strlen(dname); - plen = strlen(path); - if (plen < dlen) + pathlen = strlen(path); + if (pathlen < dlen) return 1; - /* disregard trailing slashes */ - p = path + plen - 1; - while ((*p == '/') && (p > path)) - p--; - - /* find last path component */ - p = p - dlen + 1; - if (p < path) + parentlen = parent_len(path); + if (pathlen - parentlen != dlen) return 1; - else if (p > path) { - if (*--p != '/') - return 1; - else - p++; - } + + p = path + parentlen; return strncmp(p, dname, dlen); } |