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2005-06-03 Paul Jakma <paul.jakma@sun.com>

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* ripd.c: (rip_create_socket) move it up so rip_send_packet
	  can use it too.
This commit is contained in:
paul 2005-06-03 17:46:49 +00:00
parent a6570ee42f
commit a4e987e0b0
2 changed files with 61 additions and 57 deletions
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5
ripd/ChangeLog
View File

@ -1,3 +1,8 @@
2005-06-03 Paul Jakma <paul.jakma@sun.com>
* ripd.c: (rip_create_socket) move it up so rip_send_packet
can use it too.
2005-06-01 Paul Jakma <paul.jakma@sun.com> 2005-06-01 Paul Jakma <paul.jakma@sun.com>
* rip_interface.c: Fix authentication, no-auth impossible to specify * rip_interface.c: Fix authentication, no-auth impossible to specify

113
ripd/ripd.c
View File

@ -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 /* RIP packet send to destination address, on interface denoted by
* by connected argument. NULL to argument denotes destination should be * by connected argument. NULL to argument denotes destination should be
* should be RIP multicast group * should be RIP multicast group
@ -2004,63 +2060,6 @@ rip_read (struct thread *t)
return len; 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 /* Write routing table entry to the stream and return next index of
the routing table entry in the stream. */ the routing table entry in the stream. */
int int