From a4e987e0b0b264bd3898f567cb7efec9b155d740 Mon Sep 17 00:00:00 2001 From: paul Date: Fri, 3 Jun 2005 17:46:49 +0000 Subject: 2005-06-03 Paul Jakma * ripd.c: (rip_create_socket) move it up so rip_send_packet can use it too. --- ripd/ChangeLog | 5 +++ ripd/ripd.c | 113 ++++++++++++++++++++++++++++----------------------------- 2 files changed, 61 insertions(+), 57 deletions(-) (limited to 'ripd') diff --git a/ripd/ChangeLog b/ripd/ChangeLog index 5d2c1644..ebd93255 100644 --- a/ripd/ChangeLog +++ b/ripd/ChangeLog @@ -1,3 +1,8 @@ +2005-06-03 Paul Jakma + + * ripd.c: (rip_create_socket) move it up so rip_send_packet + can use it too. + 2005-06-01 Paul Jakma * rip_interface.c: Fix authentication, no-auth impossible to specify diff --git a/ripd/ripd.c b/ripd/ripd.c index 4723ebe0..c40e2ace 100644 --- a/ripd/ripd.c +++ b/ripd/ripd.c @@ -1319,6 +1319,62 @@ rip_response_process (struct rip_packet *packet, int size, } } +/* Make socket for RIP protocol. */ +int +rip_create_socket () +{ + int ret; + int sock; + struct sockaddr_in addr; + struct servent *sp; + + memset (&addr, 0, sizeof (struct sockaddr_in)); + + /* Set RIP port. */ + sp = getservbyname ("router", "udp"); + if (sp) + addr.sin_port = sp->s_port; + else + addr.sin_port = htons (RIP_PORT_DEFAULT); + + /* Address shoud be any address. */ + addr.sin_family = AF_INET; + addr.sin_addr.s_addr = INADDR_ANY; + + /* Make datagram socket. */ + sock = socket (AF_INET, SOCK_DGRAM, 0); + if (sock < 0) + { + zlog_err("Cannot create UDP socket: %s", safe_strerror(errno)); + exit (1); + } + + sockopt_broadcast (sock); + sockopt_reuseaddr (sock); + sockopt_reuseport (sock); + setsockopt_so_recvbuf (sock, RIP_UDP_RCV_BUF); +#ifdef RIP_RECVMSG + setsockopt_pktinfo (sock); +#endif /* RIP_RECVMSG */ + + if (ripd_privs.change (ZPRIVS_RAISE)) + zlog_err ("rip_create_socket: could not raise privs"); + ret = bind (sock, (struct sockaddr *) & addr, sizeof (addr)); + if (ret < 0) + { + int save_errno = errno; + if (ripd_privs.change (ZPRIVS_LOWER)) + zlog_err ("rip_create_socket: could not lower privs"); + zlog_err("cannot bind to port %d: %s", + (int)ntohs(addr.sin_port), safe_strerror(save_errno)); + return ret; + } + if (ripd_privs.change (ZPRIVS_LOWER)) + zlog_err ("rip_create_socket: could not lower privs"); + + return sock; +} + /* RIP packet send to destination address, on interface denoted by * by connected argument. NULL to argument denotes destination should be * should be RIP multicast group @@ -2004,63 +2060,6 @@ rip_read (struct thread *t) return len; } -/* Make socket for RIP protocol. */ -int -rip_create_socket () -{ - int ret; - int sock; - struct sockaddr_in addr; - struct servent *sp; - - memset (&addr, 0, sizeof (struct sockaddr_in)); - - /* Set RIP port. */ - sp = getservbyname ("router", "udp"); - if (sp) - addr.sin_port = sp->s_port; - else - addr.sin_port = htons (RIP_PORT_DEFAULT); - - /* Address shoud be any address. */ - addr.sin_family = AF_INET; - addr.sin_addr.s_addr = INADDR_ANY; - - /* Make datagram socket. */ - sock = socket (AF_INET, SOCK_DGRAM, 0); - if (sock < 0) - { - zlog_err("Cannot create UDP socket: %s", safe_strerror(errno)); - exit (1); - } - - sockopt_broadcast (sock); - sockopt_reuseaddr (sock); - sockopt_reuseport (sock); - setsockopt_so_recvbuf (sock, RIP_UDP_RCV_BUF); -#ifdef RIP_RECVMSG - setsockopt_pktinfo (sock); -#endif /* RIP_RECVMSG */ - - if (ripd_privs.change (ZPRIVS_RAISE)) - zlog_err ("rip_create_socket: could not raise privs"); - ret = bind (sock, (struct sockaddr *) & addr, sizeof (addr)); - if (ret < 0) - { - int save_errno = errno; - if (ripd_privs.change (ZPRIVS_LOWER)) - zlog_err ("rip_create_socket: could not lower privs"); - zlog_err("cannot bind to port %d: %s", - (int)ntohs(addr.sin_port), safe_strerror(save_errno)); - return ret; - } - if (ripd_privs.change (ZPRIVS_LOWER)) - zlog_err ("rip_create_socket: could not lower privs"); - - return sock; -} - - /* Write routing table entry to the stream and return next index of the routing table entry in the stream. */ int -- cgit v1.2.1