From 96e6130537df9d0388e73ba35e1984310b3a8653 Mon Sep 17 00:00:00 2001 From: Tobias Brunner Date: Mon, 15 Dec 2014 16:43:03 +0100 Subject: kernel-pfkey: Add option to set receive buffer size of event socket If many requests are sent to the kernel the events generated by these requests may fill the receive buffer before the daemon is able to read these messages. Fixes #783. --- src/libhydra/plugins/kernel_pfkey/kernel_pfkey_ipsec.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'src/libhydra/plugins/kernel_pfkey/kernel_pfkey_ipsec.c') diff --git a/src/libhydra/plugins/kernel_pfkey/kernel_pfkey_ipsec.c b/src/libhydra/plugins/kernel_pfkey/kernel_pfkey_ipsec.c index 8b893f485..423b57e31 100644 --- a/src/libhydra/plugins/kernel_pfkey/kernel_pfkey_ipsec.c +++ b/src/libhydra/plugins/kernel_pfkey/kernel_pfkey_ipsec.c @@ -2988,6 +2988,7 @@ kernel_pfkey_ipsec_t *kernel_pfkey_ipsec_create() { private_kernel_pfkey_ipsec_t *this; bool register_for_events = TRUE; + int rcv_buffer; INIT(this, .public = { @@ -3044,6 +3045,18 @@ kernel_pfkey_ipsec_t *kernel_pfkey_ipsec_create() return NULL; } + rcv_buffer = lib->settings->get_int(lib->settings, + "%s.plugins.kernel-pfkey.events_buffer_size", 0, lib->ns); + if (rcv_buffer > 0) + { + if (setsockopt(this->socket_events, SOL_SOCKET, SO_RCVBUF, + &rcv_buffer, sizeof(rcv_buffer)) == -1) + { + DBG1(DBG_KNL, "unable to set receive buffer size on PF_KEY " + "event socket: %s", strerror(errno)); + } + } + /* register the event socket */ if (register_pfkey_socket(this, SADB_SATYPE_ESP) != SUCCESS || register_pfkey_socket(this, SADB_SATYPE_AH) != SUCCESS) -- cgit v1.2.3