Fix #939

src/server.c

@@ -1785,9 +1785,6 @@ main(int argc, char **argv)
     LOGI("initializing ciphers... %s", method);
     int m = enc_init(password, method);
 
-    // init block list
-    init_block_list();
-
     // initialize ev loop
     struct ev_loop *loop = EV_DEFAULT;
 
@@ -1864,6 +1861,9 @@ main(int argc, char **argv)
         run_as(user);
     }
 
+    // init block list
+    init_block_list();
+
     // Init connections
     cork_dllist_init(&connections);
 

src/utils.c

@@ -109,14 +109,14 @@ run_as(const char *user)
 
             if (err == 0 && pwd) {
                 /* setgid first, because we may not be allowed to do it anymore after setuid */
-                if (setregid(pwd->pw_gid, 0) != 0) {
+                if (setgid(pwd->pw_gid) != 0) {
                     LOGE(
                         "Could not change group id to that of run_as user '%s': %s",
                         user, strerror(errno));
                     return 0;
                 }
 
-                if (setreuid(pwd->pw_uid, 0) != 0) {
+                if (setuid(pwd->pw_uid) != 0) {
                     LOGE(
                         "Could not change user id to that of run_as user '%s': %s",
                         user, strerror(errno));
@@ -150,12 +150,12 @@ run_as(const char *user)
             return 0;
         }
         /* setgid first, because we may not allowed to do it anymore after setuid */
-        if (setregid(pwd->pw_gid, 0) != 0) {
+        if (setgid(pwd->pw_gid) != 0) {
             LOGE("Could not change group id to that of run_as user '%s': %s",
                  user, strerror(errno));
             return 0;
         }
-        if (setreuid(pwd->pw_uid, 0) != 0) {
+        if (setuid(pwd->pw_uid) != 0) {
             LOGE("Could not change user id to that of run_as user '%s': %s",
                  user, strerror(errno));
             return 0;