From 7f58ed7685f9fcd5271359a8c896670a835e1f95 Mon Sep 17 00:00:00 2001 From: Guus Sliepen Date: Fri, 1 Mar 2002 11:18:34 +0000 Subject: [PATCH] Make BindToInterface work. --- src/net_socket.c | 36 +++++++++++++++++++++++------------- 1 file changed, 23 insertions(+), 13 deletions(-) diff --git a/src/net_socket.c b/src/net_socket.c index 757199d6..fdeac79a 100644 --- a/src/net_socket.c +++ b/src/net_socket.c @@ -17,7 +17,7 @@ along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - $Id: net_socket.c,v 1.1.2.4 2002/02/26 23:26:41 guus Exp $ + $Id: net_socket.c,v 1.1.2.5 2002/03/01 11:18:34 guus Exp $ */ #include "config.h" @@ -84,6 +84,7 @@ int setup_listen_socket(sockaddr_t *sa) int option; #ifdef HAVE_LINUX char *interface; + struct ifreq ifr; #endif cp if((nfd = socket(sa->sa.sa_family, SOCK_STREAM, IPPROTO_TCP)) < 0) @@ -111,12 +112,16 @@ cp setsockopt(nfd, SOL_IP, IP_TOS, &option, sizeof(option)); if(get_config_string(lookup_config(config_tree, "BindToInterface"), &interface)) - if(setsockopt(nfd, SOL_SOCKET, SO_BINDTODEVICE, interface, strlen(interface))) - { - close(nfd); - syslog(LOG_ERR, _("Can't bind to interface %s: %s"), interface, strerror(errno)); - return -1; - } + { + memset(&ifr, 0, sizeof(ifr)); + strncpy(ifr.ifr_ifrn.ifrn_name, interface, IFNAMSIZ); + if(setsockopt(nfd, SOL_SOCKET, SO_BINDTODEVICE, &ifr, sizeof(ifr))) + { + close(nfd); + syslog(LOG_ERR, _("Can't bind to interface %s: %s"), interface, strerror(errno)); + return -1; + } + } #endif if(bind(nfd, &sa->sa, SALEN(sa->sa))) @@ -145,6 +150,7 @@ int setup_vpn_in_socket(sockaddr_t *sa) int option; #ifdef HAVE_LINUX char *interface; + struct ifreq ifr; #endif cp if((nfd = socket(sa->sa.sa_family, SOCK_DGRAM, IPPROTO_UDP)) < 0) @@ -165,12 +171,16 @@ cp setsockopt(nfd, SOL_SOCKET, SO_REUSEADDR, &option, sizeof(option)); #ifdef HAVE_LINUX if(get_config_string(lookup_config(config_tree, "BindToInterface"), &interface)) - if(setsockopt(nfd, SOL_SOCKET, SO_BINDTODEVICE, interface, strlen(interface))) - { - close(nfd); - syslog(LOG_ERR, _("Can't bind to interface %s: %s"), interface, strerror(errno)); - return -1; - } + { + memset(&ifr, 0, sizeof(ifr)); + strncpy(ifr.ifr_ifrn.ifrn_name, interface, IFNAMSIZ); + if(setsockopt(nfd, SOL_SOCKET, SO_BINDTODEVICE, &ifr, sizeof(ifr))) + { + close(nfd); + syslog(LOG_ERR, _("Can't bind to interface %s: %s"), interface, strerror(errno)); + return -1; + } + } #endif if(bind(nfd, &sa->sa, SALEN(sa->sa))) -- 2.20.1