network plugin, libcollectdclient: Check return value of gcry_control().

Fixes: #1665
(cherry picked from commit 8b4fed9940e02138b7e273e56863df03d1a39ef7)

Conflicts:
	src/libcollectdclient/network_buffer.c
	src/network.c

diff --git a/src/network.c b/src/network.c
index c2d20be..48d1bda 100644 (file)
--- a/src/network.c
+++ b/src/network.c
@@ -494,6 +494,8 @@ static int network_dispatch_notification (notification_t *n) /* {{{ */
 #if HAVE_LIBGCRYPT
 static void network_init_gcrypt (void) /* {{{ */
 {
+  gcry_error_t err;
+
   /* http://lists.gnupg.org/pipermail/gcrypt-devel/2003-August/000458.html
    * Because you can't know in a library whether another library has
    * already initialized the library */
@@ -507,9 +509,21 @@ static void network_init_gcrypt (void) /* {{{ */
   * above doesn't count, as it doesn't implicitly initalize Libgcrypt.
   *
   * tl;dr: keep all these gry_* statements in this exact order please. */
-  gcry_control (GCRYCTL_SET_THREAD_CBS, &gcry_threads_pthread);
+  err = gcry_control (GCRYCTL_SET_THREAD_CBS, &gcry_threads_pthread);
+  if (err)
+  {
+    ERROR ("network plugin: gcry_control (GCRYCTL_SET_THREAD_CBS) failed: %s", gcry_strerror (err));
+    abort ();
+  }
   gcry_check_version (NULL);
-  gcry_control (GCRYCTL_INIT_SECMEM, 32768);
+
+  err = gcry_control (GCRYCTL_INIT_SECMEM, 32768);
+  if (err)
+  {
+    ERROR ("network plugin: gcry_control (GCRYCTL_SET_THREAD_CBS) failed: %s", gcry_strerror (err));
+    abort ();
+  }
+
   gcry_control (GCRYCTL_INITIALIZATION_FINISHED);
 } /* }}} void network_init_gcrypt */