diff options
| author | sm26363 <none@none> | 2005-09-22 09:42:07 -0700 |
|---|---|---|
| committer | sm26363 <none@none> | 2005-09-22 09:42:07 -0700 |
| commit | 7de476d1ec002e6947b1506107cebe636d35e417 (patch) | |
| tree | e8931d868886ed018d2c86f24027023f9b0b573c /usr/src/lib | |
| parent | bac66362059ca34e64ecf423d2c05afb9a6141b8 (diff) | |
| download | illumos-joyent-7de476d1ec002e6947b1506107cebe636d35e417.tar.gz | |
4419428 libnsl caches stale YP password data
Diffstat (limited to 'usr/src/lib')
| -rw-r--r-- | usr/src/lib/libnsl/yp/yp_match.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/usr/src/lib/libnsl/yp/yp_match.c b/usr/src/lib/libnsl/yp/yp_match.c index 0318a378cb..74c7c9200f 100644 --- a/usr/src/lib/libnsl/yp/yp_match.c +++ b/usr/src/lib/libnsl/yp/yp_match.c @@ -89,11 +89,18 @@ freenode(struct cache *n) free(n); } +/* + * Attempt to Add item to cache + */ static struct cache * makenode(char *domain, char *map, int keylen, int vallen) { struct cache *n; + /* Do not cache 'passwd' values i.e. passwd.byname or passwd.byuid. */ + if (strncmp(map, "passwd", 6) == 0) + return (0); + if ((n = calloc(1, sizeof (*n))) == 0) return (0); if (((n->domain = strdup(domain)) == 0) || @@ -106,6 +113,11 @@ makenode(char *domain, char *map, int keylen, int vallen) return (n); } +/* + * Look for a matching result in the per-process cache. + * Upon finding a match set the passed in 'val' and 'vallen' + * parameters and return 1. Otherwise return 0. + */ static int in_cache(char *domain, char *map, char *key, int keylen, char **val, int *vallen) @@ -115,6 +127,10 @@ in_cache(char *domain, char *map, char *key, int keylen, char **val, struct timeval now; struct timezone tz; + /* The 'passwd' data is not cached. */ + if (strncmp(map, "passwd", 6) == 0) + return (0); + /* * Assumes that caller (yp_match) has locked the cache */ |