X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=libatalk%2Facl%2Fuuid.c;h=ff58c3dd2202f562f3b757bca7053a85cbfdf4ca;hb=refs%2Fheads%2Fv3.1.6-alex;hp=7d6e7d620cf6ad0aaf554c814c9b0774e0ccc3d4;hpb=321a0107c48da7b3fbf895a2b32244174c1ff39c;p=netatalk.git

diff --git a/libatalk/acl/uuid.c b/libatalk/acl/uuid.c
index 7d6e7d62..ff58c3dd 100644
--- a/libatalk/acl/uuid.c
+++ b/libatalk/acl/uuid.c
@@ -209,7 +209,6 @@ int getuuidfromname( const char *name, uuidtype_t type, unsigned char *uuid) {
         add_cachebyname(name, uuid, mytype, 0);
     }
 
-cleanup:
 #ifdef HAVE_LDAP
     if (uuid_string) free(uuid_string);
 #endif
@@ -229,6 +228,7 @@ int getnamefromuuid(const uuidp_t uuidp, char **name, uuidtype_t *type) {
     int ret;
     uid_t uid;
     gid_t gid;
+    uint32_t tmp;
     struct passwd *pwd;
     struct group *grp;
 
@@ -250,9 +250,11 @@ int getnamefromuuid(const uuidp_t uuidp, char **name, uuidtype_t *type) {
     /* Check if UUID is a client local one */
     if (memcmp(uuidp, local_user_uuid, 12) == 0) {
         *type = UUID_USER;
-        uid = ntohl(*(uint32_t *)(uuidp + 12));
+        memcpy(&tmp, uuidp + 12, sizeof(uint32_t));
+        uid = ntohl(tmp);
         if ((pwd = getpwuid(uid)) == NULL) {
             /* not found, add negative entry to cache */
+            *name = NULL;
             add_cachebyuuid(uuidp, "UUID_ENOENT", UUID_ENOENT, 0);
             ret = -1;
         } else {
@@ -262,11 +264,12 @@ int getnamefromuuid(const uuidp_t uuidp, char **name, uuidtype_t *type) {
         }
         LOG(log_debug, logtype_afpd,
             "getnamefromuuid{local}: UUID: %s -> name: %s, type:%s",
-            uuid_bin2string(uuidp), *name, uuidtype[(*type) & UUIDTYPESTR_MASK]);
+            uuid_bin2string(uuidp), *name ? *name : "-", uuidtype[(*type) & UUIDTYPESTR_MASK]);
         return ret;
     } else if (memcmp(uuidp, local_group_uuid, 12) == 0) {
         *type = UUID_GROUP;
-        gid = ntohl(*(uint32_t *)(uuidp + 12));
+        memcpy(&tmp, uuidp + 12, sizeof(uint32_t));
+        gid = ntohl(tmp);
         if ((grp = getgrgid(gid)) == NULL) {
             /* not found, add negative entry to cache */
             add_cachebyuuid(uuidp, "UUID_ENOENT", UUID_ENOENT, 0);