X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=libatalk%2Facl%2Fuuid.c;h=ff58c3dd2202f562f3b757bca7053a85cbfdf4ca;hb=939eb9da6116bd502cdae97f84541993848071b4;hp=6df8d62b8b9ab0aae0c37adde0d150415a9d198f;hpb=2fdd522410f80afcd055d7333f491ee6c0b4b9fa;p=netatalk.git

diff --git a/libatalk/acl/uuid.c b/libatalk/acl/uuid.c
index 6df8d62b..ff58c3dd 100644
--- a/libatalk/acl/uuid.c
+++ b/libatalk/acl/uuid.c
@@ -29,6 +29,7 @@
 #include <atalk/logger.h>
 #include <atalk/afp.h>
 #include <atalk/uuid.h>
+#include <atalk/ldapconfig.h>
 #include <atalk/util.h>
 
 #include "aclldap.h"
@@ -76,8 +77,8 @@ void uuid_string2bin( const char *uuidstring, unsigned char *uuid) {
     int nibble = 1;
     int i = 0;
     unsigned char c, val = 0;
-
-    while (*uuidstring) {
+    
+    while (*uuidstring && i < UUID_BINSIZE) {
         c = *uuidstring;
         if (c == '-') {
             uuidstring++;
@@ -103,21 +104,30 @@ void uuid_string2bin( const char *uuidstring, unsigned char *uuid) {
 
 /*!
  * Convert 16 byte binary uuid to neat ascii represantation including dashes.
- *
+ * Use defined or default ascii mask for dash placement
  * Returns pointer to static buffer.
  */
 const char *uuid_bin2string(const unsigned char *uuid) {
-    static char uuidstring[UUID_STRINGSIZE + 1];
-
+    static char uuidstring[64];
+    const char *uuidmask;
     int i = 0;
     unsigned char c;
 
-    while (i < UUID_STRINGSIZE) {
+#ifdef HAVE_LDAP
+    if (ldap_uuid_string)
+        uuidmask = ldap_uuid_string;
+    else
+#endif
+        uuidmask = "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx";
+
+    LOG(log_debug, logtype_afpd, "uuid_bin2string{uuid}: mask: %s", uuidmask);
+		
+    while (i < strlen(uuidmask)) {
         c = *uuid;
         uuid++;
         sprintf(uuidstring + i, "%02X", c);
         i += 2;
-        if (i==8 || i==13 || i==18 || i==23)
+        if (uuidmask[i] == '-')
             uuidstring[i++] = '-';
     }
     uuidstring[i] = 0;
@@ -199,7 +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
@@ -219,6 +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;
 
@@ -240,9 +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 {
@@ -252,11 +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);