Move putz test program to a test program directory under qt-console.

[bacula/bacula] / bacula / src / lib / idcache.c

diff --git a/bacula/src/lib/idcache.c b/bacula/src/lib/idcache.c
index 96f253bd106d4e2cab0d2a300b8e798ac3461b6c..d3e78f8762b1c0beb01645d4d1d904b0e09f465a 100644 (file)
--- a/bacula/src/lib/idcache.c
+++ b/bacula/src/lib/idcache.c
@@ -35,35 +35,45 @@ static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
 /* Translate UID to a login name or a stringified number,
    with cache. */
 
-char *getuser(uid_t uid)
+char *getuser(uid_t uid, char *name, int len)
 {
-  register struct userid *tail;
-  struct passwd *pwent;
-  char usernum_string[20];
-
-  P(mutex);
-  for (tail = user_alist; tail; tail = tail->next) {
-    if (tail->id.u == uid) {
-      V(mutex);
-      return tail->name;
-    }
-  }
-
-  pwent = getpwuid(uid);
-  tail = (struct userid *)malloc(sizeof (struct userid));
-  tail->id.u = uid;
-  if (pwent == 0 || strcmp(pwent->pw_name, "????????") == 0) {
+   register struct userid *tail;
+   char usernum_string[20];
+
+   P(mutex);
+   for (tail = user_alist; tail; tail = tail->next) {
+      if (tail->id.u == uid) {
+         goto uid_done;
+      }
+   }
+
+   tail = (struct userid *)malloc(sizeof (struct userid));
+   tail->id.u = uid;
+   tail->name = NULL;
+
+#if !defined(HAVE_WIN32)
+   {
+      struct passwd *pwent = getpwuid(uid);
+
+      if (pwent != NULL && strcmp(pwent->pw_name, "????????") != 0) {
+         tail->name = bstrdup(pwent->pw_name);
+      }
+   }
+#endif
+
+   if (tail->name == NULL) {
       sprintf(usernum_string, "%u", (uint32_t)uid);
       tail->name = bstrdup(usernum_string);
-  } else {
-      tail->name = bstrdup(pwent->pw_name);
-  }
+   }
 
-  /* Add to the head of the list, so most recently used is first.  */
-  tail->next = user_alist;
-  user_alist = tail;
-  V(mutex);
-  return tail->name;
+   /* Add to the head of the list, so most recently used is first.  */
+   tail->next = user_alist;
+   user_alist = tail;
+
+uid_done:
+   bstrncpy(name, tail->name, len);
+   V(mutex);
+   return name;
 }
 
 void free_getuser_cache()
@@ -77,42 +87,53 @@ void free_getuser_cache()
      tail = tail->next;
      free(otail);
   }
+  user_alist = NULL;
   V(mutex);
 }
 
 
 
 /* Translate GID to a group name or a stringified number,
-   with cache. */
-char *getgroup(gid_t gid)
+   with cache. */
+char *getgroup(gid_t gid, char *name, int len)
 {
-  register struct userid *tail;
-  struct group *grent;
-  char groupnum_string[20];
-
-  P(mutex);
-  for (tail = group_alist; tail; tail = tail->next) {
-    if (tail->id.g == gid) {
-      V(mutex);
-      return tail->name;
-    }
-  }
-
-  grent = getgrgid(gid);
-  tail = (struct userid *)malloc(sizeof (struct userid));
-  tail->id.g = gid;
-  if (grent == 0 || strcmp(grent->gr_name, "????????") == 0) {
+   register struct userid *tail;
+   char groupnum_string[20];
+
+   P(mutex);
+   for (tail = group_alist; tail; tail = tail->next) {
+      if (tail->id.g == gid) {
+         goto gid_done;
+      }
+   }
+
+   tail = (struct userid *)malloc(sizeof (struct userid));
+   tail->id.g = gid;
+   tail->name = NULL;
+
+#if !defined(HAVE_WIN32)
+   {
+      struct group *grent = getgrgid(gid);
+
+      if (grent != NULL && strcmp(grent->gr_name, "????????") != 0) {
+         tail->name = bstrdup(grent->gr_name);
+      }
+   }
+#endif
+
+   if (tail->name == NULL) {
       sprintf (groupnum_string, "%u", (uint32_t)gid);
       tail->name = bstrdup(groupnum_string);
-  } else {
-      tail->name = bstrdup(grent->gr_name);
-  }
+   }
 
-  /* Add to the head of the list, so most recently used is first.  */
-  tail->next = group_alist;
-  group_alist = tail;
-  V(mutex);
-  return tail->name;
+   /* Add to the head of the list, so most recently used is first. */
+   tail->next = group_alist;
+   group_alist = tail;
+
+gid_done:
+   bstrncpy(name, tail->name, len);
+   V(mutex);
+   return name;
 }
 
 void free_getgroup_cache()
@@ -126,5 +147,6 @@ void free_getgroup_cache()
      tail = tail->next;
      free(otail);
   }
+  group_alist = NULL;
   V(mutex);
 }