Merge remote-tracking branch 'origin/maint-0.2.2'

4 files changed, 23 insertions, 4 deletions

diff --git a/src/common/compat.c b/src/common/compat.c
index 83cf0322d9..330c432284 100644
--- a/src/common/compat.c
+++ b/src/common/compat.c
@@ -1280,7 +1280,8 @@ log_credential_status(void)
   /* Read, effective and saved GIDs */
   gid_t rgid, egid, sgid;
   /* Supplementary groups */
-  gid_t sup_gids[NGROUPS_MAX + 1];
+  gid_t *sup_gids = NULL;
+  int sup_gids_size;
   /* Number of supplementary groups */
   int ngids;
 
@@ -1326,9 +1327,19 @@ log_credential_status(void)
 #endif
 
   /* log supplementary groups */
-  if ((ngids = getgroups(NGROUPS_MAX + 1, sup_gids)) < 0) {
+  sup_gids_size = 64;
+  sup_gids = tor_malloc(sizeof(gid_t) * 64);
+  while ((ngids = getgroups(sup_gids_size, sup_gids)) < 0 &&
+         errno == EINVAL &&
+         sup_gids_size < NGROUPS_MAX) {
+    sup_gids_size *= 2;
+    sup_gids = tor_realloc(sup_gids, sizeof(gid_t) * sup_gids_size);
+  }
+
+  if (ngids < 0) {
     log_warn(LD_GENERAL, "Error getting supplementary GIDs: %s",
              strerror(errno));
+    tor_free(sup_gids);
     return -1;
   } else {
     int i, retval = 0;
@@ -1358,6 +1369,7 @@ log_credential_status(void)
       tor_free(cp);
     });
     smartlist_free(elts);
+    tor_free(sup_gids);
 
     return retval;
   }
diff --git a/src/or/connection.c b/src/or/connection.c
index ec43577dfa..e8969e09fc 100644
--- a/src/or/connection.c
+++ b/src/or/connection.c
@@ -854,7 +854,13 @@ create_unix_sockaddr(const char *listenaddress, char **readable_address,
 
   sockaddr = tor_malloc_zero(sizeof(struct sockaddr_un));
   sockaddr->sun_family = AF_UNIX;
-  strncpy(sockaddr->sun_path, listenaddress, sizeof(sockaddr->sun_path));
+  if (strlcpy(sockaddr->sun_path, listenaddress, sizeof(sockaddr->sun_path))
+      >= sizeof(sockaddr->sun_path)) {
+    log_warn(LD_CONFIG, "Unix socket path '%s' is too long to fit.",
+             escaped(listenaddress));
+    tor_free(sockaddr);
+    return NULL;
+  }
 
   if (readable_address)
     *readable_address = tor_strdup(listenaddress);
diff --git a/src/or/dirserv.c b/src/or/dirserv.c
index 33796fc2de..0ea1ef6489 100644
--- a/src/or/dirserv.c
+++ b/src/or/dirserv.c
@@ -2440,7 +2440,7 @@ measured_bw_line_parse(measured_bw_line_t *out, const char *orig_line)
         tor_free(line);
         return -1;
       }
-      strncpy(out->node_hex, cp, sizeof(out->node_hex));
+      strlcpy(out->node_hex, cp, sizeof(out->node_hex));
       got_node_id=1;
     }
   } while ((cp = tor_strtok_r(NULL, " \t", &strtok_state)));
diff --git a/src/or/rendcommon.c b/src/or/rendcommon.c
index e81510a9cd..94bb002210 100644
--- a/src/or/rendcommon.c
+++ b/src/or/rendcommon.c
@@ -1040,6 +1040,7 @@ rend_cache_store(const char *desc, size_t desc_len, int published,
     log_warn(LD_REND, "Received service descriptor for service ID %s; "
              "expected descriptor for service ID %s.",
              query, safe_str(service_id));
+    rend_service_descriptor_free(parsed);
     return -2;
   }
   now = time(NULL);