oops

[l2tpns.git] / bgp.c

diff --git a/bgp.c b/bgp.c
index ec084d1..cf8ab7e 100644 (file)
--- a/bgp.c
+++ b/bgp.c
@@ -10,7 +10,7 @@
  *   nor RFC2385 (which requires a kernel patch on 2.4 kernels).
  */
 
  *   nor RFC2385 (which requires a kernel patch on 2.4 kernels).
  */
 

-/* $Id: bgp.c,v 1.1 2004/06/23 03:52:24 fred_nerk Exp $ */
+char const *cvs_id_bgp = "$Id: bgp.c,v 1.8 2004/11/29 02:17:17 bodea Exp $";

 
 #include <stdlib.h>
 #include <unistd.h>
 
 #include <stdlib.h>
 #include <unistd.h>


@@ -34,7 +34,6 @@ static struct bgp_route_list *bgp_insert_route(struct bgp_route_list *head,
     struct bgp_route_list *new);
 
 static void bgp_free_routes(struct bgp_route_list *routes);
     struct bgp_route_list *new);
 
 static void bgp_free_routes(struct bgp_route_list *routes);

-static char const *bgp_state_str(enum bgp_state state);

 static char const *bgp_msg_type_str(u8 type);
 static int bgp_connect(struct bgp_peer *peer);
 static int bgp_handle_connect(struct bgp_peer *peer);
 static char const *bgp_msg_type_str(u8 type);
 static int bgp_connect(struct bgp_peer *peer);
 static int bgp_handle_connect(struct bgp_peer *peer);


@@ -47,6 +46,10 @@ static int bgp_send_update(struct bgp_peer *peer);
 static int bgp_send_notification(struct bgp_peer *peer, u8 code, u8 subcode);
 
 static u16 our_as;
 static int bgp_send_notification(struct bgp_peer *peer, u8 code, u8 subcode);
 
 static u16 our_as;

+static struct bgp_route_list *bgp_routes = 0;
+
+int bgp_configured = 0;
+struct bgp_peer *bgp_peers = 0;

 
 /* prepare peer structure, globals */
 int bgp_setup(int as)
 
 /* prepare peer structure, globals */
 int bgp_setup(int as)


@@ -66,7 +69,7 @@ int bgp_setup(int as)
        if (!((peer->outbuf = malloc(sizeof(*peer->outbuf)))
            && (peer->inbuf = malloc(sizeof(*peer->inbuf)))))
        {
        if (!((peer->outbuf = malloc(sizeof(*peer->outbuf)))
            && (peer->inbuf = malloc(sizeof(*peer->inbuf)))))
        {

-           log(0, 0, 0, 0, "Can't allocate buffers for bgp peer (%s)\n",
+           LOG(0, 0, 0, "Can't allocate buffers for bgp peer (%s)\n",

                strerror(errno));
 
            return 0;
                strerror(errno));
 
            return 0;


@@ -86,7 +89,7 @@ int bgp_setup(int as)
 }
 
 /* start connection with a peer */
 }
 
 /* start connection with a peer */

-int bgp_start(struct bgp_peer *peer, char *name, int as, int enable)
+int bgp_start(struct bgp_peer *peer, char *name, int as, int keepalive, int hold, int enable)

 {
     struct hostent *h;
     int ibgp;
 {
     struct hostent *h;
     int ibgp;


@@ -108,7 +111,7 @@ int bgp_start(struct bgp_peer *peer, char *name, int as, int enable)
 
     if (!(h = gethostbyname(name)) || h->h_addrtype != AF_INET)
     {
 
     if (!(h = gethostbyname(name)) || h->h_addrtype != AF_INET)
     {

-       log(0, 0, 0, 0, "Can't get address for BGP peer %s (%s)\n",
+       LOG(0, 0, 0, "Can't get address for BGP peer %s (%s)\n",

            name, h ? "no address" : hstrerror(h_errno));
 
        return 0;
            name, h ? "no address" : hstrerror(h_errno));
 
        return 0;


@@ -118,6 +121,16 @@ int bgp_start(struct bgp_peer *peer, char *name, int as, int enable)
     peer->as = as > 0 ? as : our_as;
     ibgp = peer->as == our_as;
 
     peer->as = as > 0 ? as : our_as;
     ibgp = peer->as == our_as;
 

+    /* set initial timer values */
+    peer->init_keepalive = keepalive == -1 ? BGP_KEEPALIVE_TIME : keepalive;
+    peer->init_hold = hold == -1 ? BGP_HOLD_TIME : hold;
+
+    if (peer->init_hold < 3)
+       peer->init_hold = 3;
+
+    if (peer->init_keepalive * 3 > peer->init_hold)
+       peer->init_keepalive = peer->init_hold / 3;
+

     /* clear buffers, go to Idle state */
     peer->next_state = Idle;
     bgp_clear(peer);
     /* clear buffers, go to Idle state */
     peer->next_state = Idle;
     bgp_clear(peer);


@@ -212,7 +225,7 @@ int bgp_start(struct bgp_peer *peer, char *name, int as, int enable)
 
     if (!(peer->path_attrs = malloc(peer->path_attr_len)))
     {
 
     if (!(peer->path_attrs = malloc(peer->path_attr_len)))
     {

-       log(0, 0, 0, 0, "Can't allocate path_attrs for %s (%s)\n",
+       LOG(0, 0, 0, "Can't allocate path_attrs for %s (%s)\n",

            name, strerror(errno));
 
        return 0;
            name, strerror(errno));
 
        return 0;


@@ -220,7 +233,7 @@ int bgp_start(struct bgp_peer *peer, char *name, int as, int enable)
 
     memcpy(peer->path_attrs, path_attrs, peer->path_attr_len);
 
 
     memcpy(peer->path_attrs, path_attrs, peer->path_attr_len);
 

-    log(4, 0, 0, 0, "Initiating BGP connection to %s (routing %s)\n",
+    LOG(4, 0, 0, "Initiating BGP connection to %s (routing %s)\n",

        name, enable ? "enabled" : "suspended");
 
     /* we have at least one peer configured */
        name, enable ? "enabled" : "suspended");
 
     /* we have at least one peer configured */


@@ -241,9 +254,11 @@ static void bgp_clear(struct bgp_peer *peer)
     }
 
     peer->keepalive_time = 0;
     }
 
     peer->keepalive_time = 0;

-    peer->hold = 0;

     peer->expire_time = 0;
 
     peer->expire_time = 0;
 

+    peer->keepalive = peer->init_keepalive;
+    peer->hold = peer->init_hold;
+

     bgp_free_routes(peer->routes);
     peer->routes = 0;
 
     bgp_free_routes(peer->routes);
     peer->routes = 0;
 


@@ -259,7 +274,7 @@ static void bgp_clear(struct bgp_peer *peer)
        peer->state = peer->next_state;
        peer->state_time = time_now;
 
        peer->state = peer->next_state;
        peer->state_time = time_now;
 

-       log(4, 0, 0, 0, "BGP peer %s: state %s\n", peer->name,
+       LOG(4, 0, 0, "BGP peer %s: state %s\n", peer->name,

            bgp_state_str(peer->next_state));
     }
 }
            bgp_state_str(peer->next_state));
     }
 }


@@ -267,14 +282,14 @@ static void bgp_clear(struct bgp_peer *peer)
 /* initiate a clean shutdown */
 void bgp_stop(struct bgp_peer *peer)
 {
 /* initiate a clean shutdown */
 void bgp_stop(struct bgp_peer *peer)
 {

-    log(4, 0, 0, 0, "Terminating BGP connection to %s\n", peer->name);
+    LOG(4, 0, 0, "Terminating BGP connection to %s\n", peer->name);

     bgp_send_notification(peer, BGP_ERR_CEASE, 0);
 }
 
 /* drop connection (if any) and set state to Disabled */
 void bgp_halt(struct bgp_peer *peer)
 {
     bgp_send_notification(peer, BGP_ERR_CEASE, 0);
 }
 
 /* drop connection (if any) and set state to Disabled */
 void bgp_halt(struct bgp_peer *peer)
 {

-    log(4, 0, 0, 0, "Aborting BGP connection to %s\n", peer->name);
+    LOG(4, 0, 0, "Aborting BGP connection to %s\n", peer->name);

     peer->next_state = Disabled;
     bgp_clear(peer);
 }
     peer->next_state = Disabled;
     bgp_clear(peer);
 }


@@ -384,8 +399,8 @@ int bgp_add_route(in_addr_t ip, in_addr_t mask)
     /* insert into route list; sorted */
     if (!(r = malloc(sizeof(*r))))
     {
     /* insert into route list; sorted */
     if (!(r = malloc(sizeof(*r))))
     {

-       log(0, 0, 0, 0, "Can't allocate route for %s/%d (%s)\n",
-           inet_toa(add.dest.prefix), add.dest.len, strerror(errno));
+       LOG(0, 0, 0, "Can't allocate route for %s/%d (%s)\n",
+           fmtaddr(add.dest.prefix, 0), add.dest.len, strerror(errno));

 
        return 0;
     }
 
        return 0;
     }


@@ -398,8 +413,8 @@ int bgp_add_route(in_addr_t ip, in_addr_t mask)
        if (bgp_peers[i].state == Established)
            bgp_peers[i].update_routes = 1;
 
        if (bgp_peers[i].state == Established)
            bgp_peers[i].update_routes = 1;
 

-    log(4, 0, 0, 0, "Registered BGP route %s/%d\n", inet_toa(add.dest.prefix),
-       add.dest.len);
+    LOG(4, 0, 0, "Registered BGP route %s/%d\n",
+       fmtaddr(add.dest.prefix, 0), add.dest.len);

 
     return 1;
 }
 
     return 1;
 }


@@ -447,8 +462,8 @@ int bgp_del_route(in_addr_t ip, in_addr_t mask)
        if (bgp_peers[i].state == Established)
            bgp_peers[i].update_routes = 1;
 
        if (bgp_peers[i].state == Established)
            bgp_peers[i].update_routes = 1;
 

-    log(4, 0, 0, 0, "Removed BGP route %s/%d\n", inet_toa(del.dest.prefix),
-       del.dest.len);
+    LOG(4, 0, 0, "Removed BGP route %s/%d\n",
+       fmtaddr(del.dest.prefix, 0), del.dest.len);

 
     return 1;
 }
 
     return 1;
 }


@@ -467,7 +482,7 @@ void bgp_enable_routing(int enable)
            bgp_peers[i].update_routes = 1;
     }
 
            bgp_peers[i].update_routes = 1;
     }
 

-    log(4, 0, 0, 0, "%s BGP routing\n", enable ? "Enabled" : "Suspended");
+    LOG(4, 0, 0, "%s BGP routing\n", enable ? "Enabled" : "Suspended");

 }
 
 /* return a bitmask indicating if the socket should be added to the
 }
 
 /* return a bitmask indicating if the socket should be added to the


@@ -573,7 +588,7 @@ int bgp_process(struct bgp_peer *peer, int readable, int writable)
     {
        if (time_now > peer->expire_time)
        {
     {
        if (time_now > peer->expire_time)
        {

-           log(1, 0, 0, 0, "No message from BGP peer %s in %ds\n",
+           LOG(1, 0, 0, "No message from BGP peer %s in %ds\n",

                peer->name, peer->hold);
 
            bgp_send_notification(peer, BGP_ERR_HOLD_TIMER_EXP, 0);
                peer->name, peer->hold);
 
            bgp_send_notification(peer, BGP_ERR_HOLD_TIMER_EXP, 0);


@@ -588,9 +603,9 @@ int bgp_process(struct bgp_peer *peer, int readable, int writable)
        if (time_now > peer->retry_time)
            return bgp_connect(peer);
     }
        if (time_now > peer->retry_time)
            return bgp_connect(peer);
     }

-    else if (time_now > peer->state_time + BGP_KEEPALIVE_TIME)
+    else if (time_now > peer->state_time + BGP_STATE_TIME)

     {
     {

-       log(1, 0, 0, 0, "%s timer expired for BGP peer %s\n",
+       LOG(1, 0, 0, "%s timer expired for BGP peer %s\n",

            bgp_state_str(peer->state), peer->name);
 
        return bgp_restart(peer);
            bgp_state_str(peer->state), peer->name);
 
        return bgp_restart(peer);


@@ -610,7 +625,7 @@ static void bgp_free_routes(struct bgp_route_list *routes)
     }
 }
 
     }
 }
 

-static char const *bgp_state_str(enum bgp_state state)
+char const *bgp_state_str(enum bgp_state state)

 {
     switch (state)
     {
 {
     switch (state)
     {


@@ -650,7 +665,7 @@ static int bgp_connect(struct bgp_peer *peer)
        struct servent *serv;
        if (!(serv = getservbyname("bgp", "tcp")))
        {
        struct servent *serv;
        if (!(serv = getservbyname("bgp", "tcp")))
        {

-           log(0, 0, 0, 0, "Can't get bgp service (%s)\n", strerror(errno));
+           LOG(0, 0, 0, "Can't get bgp service (%s)\n", strerror(errno));

            return 0;
        }
 
            return 0;
        }
 


@@ -659,7 +674,7 @@ static int bgp_connect(struct bgp_peer *peer)
 
     if ((peer->sock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0)
     {
 
     if ((peer->sock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0)
     {

-       log(0, 0, 0, 0, "Can't create a socket for BGP peer %s (%s)\n",
+       LOG(0, 0, 0, "Can't create a socket for BGP peer %s (%s)\n",

            peer->name, strerror(errno));
 
        peer->state = peer->next_state = Disabled;
            peer->name, strerror(errno));
 
        peer->state = peer->next_state = Disabled;


@@ -682,7 +697,7 @@ static int bgp_connect(struct bgp_peer *peer)
 
        if (errno != EINPROGRESS)
        {
 
        if (errno != EINPROGRESS)
        {

-           log(1, 0, 0, 0, "Can't connect to BGP peer %s (%s)\n",
+           LOG(1, 0, 0, "Can't connect to BGP peer %s (%s)\n",

                inet_ntoa(addr.sin_addr), strerror(errno));
 
            bgp_set_retry(peer);
                inet_ntoa(addr.sin_addr), strerror(errno));
 
            bgp_set_retry(peer);


@@ -692,7 +707,7 @@ static int bgp_connect(struct bgp_peer *peer)
        peer->state = Connect;
        peer->state_time = time_now;
 
        peer->state = Connect;
        peer->state_time = time_now;
 

-       log(4, 0, 0, 0, "BGP peer %s: state Connect\n", peer->name);
+       LOG(4, 0, 0, "BGP peer %s: state Connect\n", peer->name);

        return 1;
     }
 
        return 1;
     }
 


@@ -700,7 +715,7 @@ static int bgp_connect(struct bgp_peer *peer)
     peer->state_time = time_now;
     peer->retry_time = peer->retry_count = 0;
 
     peer->state_time = time_now;
     peer->retry_time = peer->retry_count = 0;
 

-    log(4, 0, 0, 0, "BGP peer %s: state Active\n", inet_ntoa(addr.sin_addr));
+    LOG(4, 0, 0, "BGP peer %s: state Active\n", inet_ntoa(addr.sin_addr));

 
     return bgp_send_open(peer);
 }
 
     return bgp_send_open(peer);
 }


@@ -713,7 +728,7 @@ static int bgp_handle_connect(struct bgp_peer *peer)
     getsockopt(peer->sock, SOL_SOCKET, SO_ERROR, &err, &len);
     if (err)
     {
     getsockopt(peer->sock, SOL_SOCKET, SO_ERROR, &err, &len);
     if (err)
     {

-       log(1, 0, 0, 0, "Can't connect to BGP peer %s (%s)\n", peer->name,
+       LOG(1, 0, 0, "Can't connect to BGP peer %s (%s)\n", peer->name,

            strerror(err));
 
        bgp_set_retry(peer);
            strerror(err));
 
        bgp_set_retry(peer);


@@ -723,7 +738,7 @@ static int bgp_handle_connect(struct bgp_peer *peer)
     peer->state = Active;
     peer->state_time = time_now;
 
     peer->state = Active;
     peer->state_time = time_now;
 

-    log(4, 0, 0, 0, "BGP peer %s: state Active\n", peer->name);
+    LOG(4, 0, 0, "BGP peer %s: state Active\n", peer->name);

 
     return bgp_send_open(peer);
 }
 
     return bgp_send_open(peer);
 }


@@ -744,9 +759,9 @@ static int bgp_write(struct bgp_peer *peer)
            return 1;
 
        if (errno == EPIPE)
            return 1;
 
        if (errno == EPIPE)

-           log(1, 0, 0, 0, "Connection to BGP peer %s closed\n", peer->name);
+           LOG(1, 0, 0, "Connection to BGP peer %s closed\n", peer->name);

        else
        else

-           log(1, 0, 0, 0, "Can't write to BGP peer %s (%s)\n", peer->name,
+           LOG(1, 0, 0, "Can't write to BGP peer %s (%s)\n", peer->name,

                strerror(errno));
 
        bgp_set_retry(peer);
                strerror(errno));
 
        bgp_set_retry(peer);


@@ -759,14 +774,14 @@ static int bgp_write(struct bgp_peer *peer)
        return 1;
     }
 
        return 1;
     }
 

-    log(4, 0, 0, 0, "Sent %s to BGP peer %s\n",
+    LOG(4, 0, 0, "Sent %s to BGP peer %s\n",

        bgp_msg_type_str(peer->outbuf->packet.header.type), peer->name);
 
     peer->outbuf->packet.header.len = 0;
     peer->outbuf->done = 0;
 
     if (peer->state == Established)
        bgp_msg_type_str(peer->outbuf->packet.header.type), peer->name);
 
     peer->outbuf->packet.header.len = 0;
     peer->outbuf->done = 0;
 
     if (peer->state == Established)

-       peer->keepalive_time = time_now + BGP_KEEPALIVE_TIME;
+       peer->keepalive_time = time_now + peer->keepalive;

 
     if (peer->state != peer->next_state)
     {
 
     if (peer->state != peer->next_state)
     {


@@ -779,7 +794,7 @@ static int bgp_write(struct bgp_peer *peer)
        peer->state = peer->next_state;
        peer->state_time = time_now;
 
        peer->state = peer->next_state;
        peer->state_time = time_now;
 

-       log(4, 0, 0, 0, "BGP peer %s: state %s\n", peer->name,
+       LOG(4, 0, 0, "BGP peer %s: state %s\n", peer->name,

            bgp_state_str(peer->state));
     }
 
            bgp_state_str(peer->state));
     }
 


@@ -796,7 +811,7 @@ static int bgp_read(struct bgp_peer *peer)
     {
        if (!r)
        {
     {
        if (!r)
        {

-           log(1, 0, 0, 0, "Connection to BGP peer %s closed\n", peer->name);
+           LOG(1, 0, 0, "Connection to BGP peer %s closed\n", peer->name);

        }
        else
        {
        }
        else
        {


@@ -806,7 +821,7 @@ static int bgp_read(struct bgp_peer *peer)
            if (errno == EAGAIN)
                return 1;
 
            if (errno == EAGAIN)
                return 1;
 

-           log(1, 0, 0, 0, "Can't read from BGP peer %s (%s)\n", peer->name,
+           LOG(1, 0, 0, "Can't read from BGP peer %s (%s)\n", peer->name,

                strerror(errno));
        }
 
                strerror(errno));
        }
 


@@ -826,7 +841,7 @@ static int bgp_handle_input(struct bgp_peer *peer)
 
     if (len > BGP_MAX_PACKET_SIZE)
     {
 
     if (len > BGP_MAX_PACKET_SIZE)
     {

-       log(1, 0, 0, 0, "Bad header length from BGP %s\n", peer->name);
+       LOG(1, 0, 0, "Bad header length from BGP %s\n", peer->name);

        bgp_send_notification(peer, BGP_ERR_HEADER, BGP_ERR_HDR_BAD_LEN);
        return 0;
     }
        bgp_send_notification(peer, BGP_ERR_HEADER, BGP_ERR_HDR_BAD_LEN);
        return 0;
     }


@@ -834,7 +849,7 @@ static int bgp_handle_input(struct bgp_peer *peer)
     if (peer->inbuf->done < len)
        return 0;
 
     if (peer->inbuf->done < len)
        return 0;
 

-    log(4, 0, 0, 0, "Received %s from BGP peer %s\n",
+    LOG(4, 0, 0, "Received %s from BGP peer %s\n",

        bgp_msg_type_str(p->header.type), peer->name);
 
     switch (p->header.type)
        bgp_msg_type_str(p->header.type), peer->name);
 
     switch (p->header.type)


@@ -842,13 +857,14 @@ static int bgp_handle_input(struct bgp_peer *peer)
     case BGP_MSG_OPEN:
        {
            struct bgp_data_open data;
     case BGP_MSG_OPEN:
        {
            struct bgp_data_open data;

+           int hold;

            int i;
 
            for (i = 0; i < sizeof(p->header.marker); i++)
            {
                if ((unsigned char) p->header.marker[i] != 0xff)
                {
            int i;
 
            for (i = 0; i < sizeof(p->header.marker); i++)
            {
                if ((unsigned char) p->header.marker[i] != 0xff)
                {

-                   log(1, 0, 0, 0, "Invalid marker from BGP peer %s\n",
+                   LOG(1, 0, 0, "Invalid marker from BGP peer %s\n",

                        peer->name);
 
                    bgp_send_notification(peer, BGP_ERR_HEADER,
                        peer->name);
 
                    bgp_send_notification(peer, BGP_ERR_HEADER,


@@ -860,7 +876,7 @@ static int bgp_handle_input(struct bgp_peer *peer)
 
            if (peer->state != OpenSent)
            {
 
            if (peer->state != OpenSent)
            {

-               log(1, 0, 0, 0, "OPEN from BGP peer %s in %s state\n",
+               LOG(1, 0, 0, "OPEN from BGP peer %s in %s state\n",

                    peer->name, bgp_state_str(peer->state));
 
                bgp_send_notification(peer, BGP_ERR_FSM, 0);
                    peer->name, bgp_state_str(peer->state));
 
                bgp_send_notification(peer, BGP_ERR_FSM, 0);


@@ -871,7 +887,7 @@ static int bgp_handle_input(struct bgp_peer *peer)
 
            if (data.version != BGP_VERSION)
            {
 
            if (data.version != BGP_VERSION)
            {

-               log(1, 0, 0, 0, "Bad version (%d) sent by BGP peer %s\n",
+               LOG(1, 0, 0, "Bad version (%d) sent by BGP peer %s\n",

                    (int) data.version, peer->name);
 
                bgp_send_notification(peer, BGP_ERR_OPEN, BGP_ERR_OPN_VERSION);
                    (int) data.version, peer->name);
 
                bgp_send_notification(peer, BGP_ERR_OPEN, BGP_ERR_OPN_VERSION);


@@ -880,7 +896,7 @@ static int bgp_handle_input(struct bgp_peer *peer)
 
            if (ntohs(data.as) != peer->as)
            {
 
            if (ntohs(data.as) != peer->as)
            {

-               log(1, 0, 0, 0, "Bad AS sent by BGP peer %s (got %d, "
+               LOG(1, 0, 0, "Bad AS sent by BGP peer %s (got %d, "

                    "expected %d)\n", peer->name, (int) htons(data.as),
                    (int) peer->as);
 
                    "expected %d)\n", peer->name, (int) htons(data.as),
                    (int) peer->as);
 


@@ -888,15 +904,23 @@ static int bgp_handle_input(struct bgp_peer *peer)
                return 0;
            }
 
                return 0;
            }
 

-           if ((peer->hold = ntohs(data.hold_time)) < 10)
+           if ((hold = ntohs(data.hold_time)) < 3)

            {
            {

-               log(1, 0, 0, 0, "Bad hold time (%d) from BGP peer %s\n",
-                   peer->hold, peer->name);
+               LOG(1, 0, 0, "Bad hold time (%d) from BGP peer %s\n",
+                   hold, peer->name);

 
                bgp_send_notification(peer, BGP_ERR_OPEN, BGP_ERR_OPN_HOLD_TIME);
                return 0;
            }
 
 
                bgp_send_notification(peer, BGP_ERR_OPEN, BGP_ERR_OPN_HOLD_TIME);
                return 0;
            }
 

+           /* pick lowest hold time */
+           if (hold < peer->hold)
+               peer->hold = hold;
+
+           /* adjust our keepalive based on negotiated hold value */
+           if (peer->keepalive * 3 > peer->hold)
+               peer->keepalive = peer->hold / 3;
+

            /* next transition requires an exchange of keepalives */
            bgp_send_keepalive(peer);
 
            /* next transition requires an exchange of keepalives */
            bgp_send_keepalive(peer);
 


@@ -910,12 +934,12 @@ static int bgp_handle_input(struct bgp_peer *peer)
        {
            peer->state = peer->next_state = Established;
            peer->state_time = time_now;
        {
            peer->state = peer->next_state = Established;
            peer->state_time = time_now;

-           peer->keepalive_time = time_now + BGP_KEEPALIVE_TIME;
+           peer->keepalive_time = time_now + peer->keepalive;

            peer->update_routes = 1;
            peer->retry_count = 0;
            peer->retry_time = 0;
 
            peer->update_routes = 1;
            peer->retry_count = 0;
            peer->retry_time = 0;
 

-           log(4, 0, 0, 0, "BGP peer %s: state Established\n", peer->name);
+           LOG(4, 0, 0, "BGP peer %s: state Established\n", peer->name);

        }
 
        break;
        }
 
        break;


@@ -928,13 +952,13 @@ static int bgp_handle_input(struct bgp_peer *peer)
 
            if (notification->error_code == BGP_ERR_CEASE)
            {
 
            if (notification->error_code == BGP_ERR_CEASE)
            {

-               log(4, 0, 0, 0, "BGP peer %s sent CEASE\n", peer->name);
+               LOG(4, 0, 0, "BGP peer %s sent CEASE\n", peer->name);

                bgp_halt(peer);
                return 0;
            }
 
            /* FIXME: should handle more notifications */
                bgp_halt(peer);
                return 0;
            }
 
            /* FIXME: should handle more notifications */

-           log(4, 0, 0, 0, "BGP peer %s sent unhandled NOTIFICATION %d\n",
+           LOG(4, 0, 0, "BGP peer %s sent unhandled NOTIFICATION %d\n",

                peer->name, (int) notification->error_code);
        }
 
                peer->name, (int) notification->error_code);
        }
 


@@ -972,7 +996,7 @@ static int bgp_send_open(struct bgp_peer *peer)
 
     data.version = BGP_VERSION;
     data.as = htons(our_as);
 
     data.version = BGP_VERSION;
     data.as = htons(our_as);

-    data.hold_time = htons(BGP_HOLD_TIME);
+    data.hold_time = htons(peer->hold);

     data.identifier = my_address;
     data.opt_len = 0;
 
     data.identifier = my_address;
     data.opt_len = 0;
 


@@ -1053,8 +1077,8 @@ static int bgp_send_update(struct bgp_peer *peer)
            unf_len += s;
            len += s;
 
            unf_len += s;
            len += s;
 

-           log(5, 0, 0, 0, "Withdrawing route %s/%d from BGP peer %s\n",
-               inet_toa(tmp->dest.prefix), tmp->dest.len, peer->name);
+           LOG(5, 0, 0, "Withdrawing route %s/%d from BGP peer %s\n",
+               fmtaddr(tmp->dest.prefix, 0), tmp->dest.len, peer->name);

 
            free(tmp);
 
 
            free(tmp);
 


@@ -1103,8 +1127,8 @@ static int bgp_send_update(struct bgp_peer *peer)
     {
        if (!(e = malloc(sizeof(*e))))
        {
     {
        if (!(e = malloc(sizeof(*e))))
        {

-           log(0, 0, 0, 0, "Can't allocate route for %s/%d (%s)\n",
-               inet_toa(add->dest.prefix), add->dest.len, strerror(errno));
+           LOG(0, 0, 0, "Can't allocate route for %s/%d (%s)\n",
+               fmtaddr(add->dest.prefix, 0), add->dest.len, strerror(errno));

 
            return 0;
        }
 
            return 0;
        }


@@ -1127,8 +1151,8 @@ static int bgp_send_update(struct bgp_peer *peer)
        data += s;
        len += s;
 
        data += s;
        len += s;
 

-       log(5, 0, 0, 0, "Advertising route %s/%d to BGP peer %s\n",
-           inet_toa(add->dest.prefix), add->dest.len, peer->name);
+       LOG(5, 0, 0, "Advertising route %s/%d to BGP peer %s\n",
+           fmtaddr(add->dest.prefix, 0), add->dest.len, peer->name);

     }
     else
     {
     }
     else
     {


@@ -1174,135 +1198,3 @@ static int bgp_send_notification(struct bgp_peer *peer, u8 code, u8 subcode)
 
     return bgp_write(peer);
 }
 
     return bgp_write(peer);
 }

-
-/* CLI stuff */
-
-#include <libcli.h>
-
-int cmd_show_bgp(struct cli_def *cli, char *command, char **argv, int argc)
-{
-    int i;
-    int hdr = 0;
-    char *addr;
-
-    if (!bgp_configured)
-       return CLI_OK;
-
-    cli_print(cli, "BGPv%d router identifier %s, local AS number %d, "
-       "hold time %ds", BGP_VERSION, inet_toa(my_address), (int) our_as,
-       BGP_HOLD_TIME);
-
-    time(&time_now);
-
-    for (i = 0; i < BGP_NUM_PEERS; i++)
-    {
-       if (!*bgp_peers[i].name)
-           continue;
-
-       addr = inet_toa(bgp_peers[i].addr);
-       if (argc && strcmp(addr, argv[0]) &&
-         strncmp(bgp_peers[i].name, argv[0], strlen(argv[0])))
-           continue;
-
-       if (!hdr++)
-       {
-           cli_print(cli, "");
-           cli_print(cli, "Peer                  AS         Address "
-               "State       Retries Retry in Route Pend");
-           cli_print(cli, "------------------ ----- --------------- "
-               "----------- ------- -------- ----- ----");
-       }
-
-       cli_print(cli, "%-18.18s %5d %15s %-11s %7d %7ds %5s %4s",
-           bgp_peers[i].name,
-           bgp_peers[i].as,
-           addr,
-           bgp_state_str(bgp_peers[i].state),
-           bgp_peers[i].retry_count,
-           bgp_peers[i].retry_time ? bgp_peers[i].retry_time - time_now : 0,
-           bgp_peers[i].routing ? "yes" : "no",
-           bgp_peers[i].update_routes ? "yes" : "no");
-    }
-
-    return CLI_OK;
-}
-
-int cmd_suspend_bgp(struct cli_def *cli, char *command, char **argv, int argc)
-{
-    int i;
-    char *addr;
-
-    if (!bgp_configured)
-       return CLI_OK;
-
-    for (i = 0; i < BGP_NUM_PEERS; i++)
-    {
-       if (bgp_peers[i].state != Established)
-           continue;
-
-       if (!bgp_peers[i].routing)
-           continue;
-
-       addr = inet_toa(bgp_peers[i].addr);
-       if (argc && strcmp(addr, argv[0]) && strcmp(bgp_peers[i].name, argv[0]))
-           continue;
-
-       bgp_peers[i].cli_flag = BGP_CLI_SUSPEND;
-       cli_print(cli, "Suspending peer %s", bgp_peers[i].name);
-    }
-
-    return CLI_OK;
-}
-
-int cmd_no_suspend_bgp(struct cli_def *cli, char *command, char **argv, int argc)
-{
-    int i;
-    char *addr;
-
-    if (!bgp_configured)
-       return CLI_OK;
-
-    for (i = 0; i < BGP_NUM_PEERS; i++)
-    {
-       if (bgp_peers[i].state != Established)
-           continue;
-
-       if (bgp_peers[i].routing)
-           continue;
-
-       addr = inet_toa(bgp_peers[i].addr);
-       if (argc && strcmp(addr, argv[0]) &&
-         strncmp(bgp_peers[i].name, argv[0], strlen(argv[0])))
-           continue;
-
-       bgp_peers[i].cli_flag = BGP_CLI_ENABLE;
-       cli_print(cli, "Un-suspending peer %s", bgp_peers[i].name);
-    }
-
-    return CLI_OK;
-}
-
-int cmd_restart_bgp(struct cli_def *cli, char *command, char **argv, int argc)
-{
-    int i;
-    char *addr;
-
-    if (!bgp_configured)
-       return CLI_OK;
-
-    for (i = 0; i < BGP_NUM_PEERS; i++)
-    {
-       if (!*bgp_peers[i].name)
-           continue;
-
-       addr = inet_toa(bgp_peers[i].addr);
-       if (argc && strcmp(addr, argv[0]) &&
-         strncmp(bgp_peers[i].name, argv[0], strlen(argv[0])))
-           continue;
-
-       bgp_peers[i].cli_flag = BGP_CLI_RESTART;
-       cli_print(cli, "Restarting peer %s", bgp_peers[i].name);
-    }
-
-    return CLI_OK;
-}