From 7d7b3200affdeefabbf8eb2066ec579a46a91db5 Mon Sep 17 00:00:00 2001 From: Vsevolod Stakhov Date: Sun, 11 Sep 2016 22:03:57 +0100 Subject: [PATCH] [Minor] Explicitly reinit libevent PRNG on fork --- config.h.in | 5 +++++ src/libserver/worker_util.c | 15 ++++++++++----- 2 files changed, 15 insertions(+), 5 deletions(-) diff --git a/config.h.in b/config.h.in index 8ebb2e56d..90edc1132 100644 --- a/config.h.in +++ b/config.h.in @@ -39,6 +39,7 @@ #cmakedefine HAVE_INTTYPES_H 1 #cmakedefine HAVE_IPV6_V6ONLY 1 #cmakedefine HAVE_LIBAIO_H 1 +#cmakedefine HAVE_LIBEVENT2 1 #cmakedefine HAVE_LIBGEN_H 1 #cmakedefine HAVE_LIBUTIL_H 1 #cmakedefine HAVE_LOCALE_H 1 @@ -136,6 +137,10 @@ #cmakedefine DISABLE_PTHREAD_MUTEX 1 +#ifdef HAVE_LIBEVENT2 +#define HAVE_EVUTIL_RNG_INIT 1 +#endif + /* Detect endiannes */ #ifdef HAVE_ENDIAN_H diff --git a/src/libserver/worker_util.c b/src/libserver/worker_util.c index 4043f79a3..80fec531c 100644 --- a/src/libserver/worker_util.c +++ b/src/libserver/worker_util.c @@ -544,19 +544,24 @@ rspamd_fork_worker (struct rspamd_main *rspamd_main, case 0: /* Update pid for logging */ rspamd_log_update_pid (cf->type, rspamd_main->logger); - /* Remove the inherited event base */ - event_reinit (rspamd_main->ev_base); - event_base_free (rspamd_main->ev_base); - /* Lock statfile pool if possible XXX */ + /* Init PRNG after fork */ rc = ottery_init (rspamd_main->cfg->libs_ctx->ottery_cfg); - rspamd_random_seed_fast (); if (rc != OTTERY_ERR_NONE) { msg_err_main ("cannot initialize PRNG: %d", rc); g_assert (0); } + rspamd_random_seed_fast (); g_random_set_seed (ottery_rand_uint32 ()); +#ifdef HAVE_EVUTIL_RNG_INIT + evutil_secure_rng_init (); +#endif + + /* Remove the inherited event base */ + event_reinit (rspamd_main->ev_base); + event_base_free (rspamd_main->ev_base); + /* Drop privilleges */ rspamd_worker_drop_priv (rspamd_main); /* Set limits */ -- 2.39.5