merge back 2.0 branch changes
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bodea
parent
cd2e983aaf
commit
7825a26691
7 changed files with 91 additions and 55 deletions
71
l2tpns.c
71
l2tpns.c
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@ -4,7 +4,7 @@
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// Copyright (c) 2002 FireBrick (Andrews & Arnold Ltd / Watchfront Ltd) - GPL licenced
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// vim: sw=8 ts=8
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char const *cvs_id_l2tpns = "$Id: l2tpns.c,v 1.83 2005/02/09 00:45:34 bodea Exp $";
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char const *cvs_id_l2tpns = "$Id: l2tpns.c,v 1.84 2005/02/14 06:58:39 bodea Exp $";
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#include <arpa/inet.h>
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#include <assert.h>
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@ -660,7 +660,7 @@ sessionidt sessionbyip(in_addr_t ip)
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int s = lookup_ipmap(ip);
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CSTAT(sessionbyip);
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if (s > 0 && s < MAXSESSION && session[s].tunnel)
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if (s > 0 && s < MAXSESSION && session[s].opened)
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return (sessionidt) s;
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return 0;
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@ -679,7 +679,7 @@ sessionidt sessionbyipv6(struct in6_addr ip)
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s = lookup_ipv6map(ip);
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}
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if (s > 0 && s < MAXSESSION && session[s].tunnel)
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if (s > 0 && s < MAXSESSION && session[s].opened)
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return s;
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return 0;
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@ -815,8 +815,11 @@ sessionidt sessionbyuser(char *username)
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int s;
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CSTAT(sessionbyuser);
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for (s = 1; s < MAXSESSION ; ++s)
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for (s = 1; s <= config->cluster_highest_sessionid ; ++s)
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{
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if (!session[s].opened)
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continue;
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if (session[s].walled_garden)
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continue; // Skip walled garden users.
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@ -858,17 +861,16 @@ void send_garp(in_addr_t ip)
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sendarp(ifr.ifr_ifindex, mac, ip);
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}
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// Find session by username, 0 for not found
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static sessiont *sessiontbysessionidt(sessionidt s)
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{
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if (!s || s > MAXSESSION) return NULL;
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if (!s || s >= MAXSESSION) return NULL;
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return &session[s];
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}
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static sessionidt sessionidtbysessiont(sessiont *s)
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{
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sessionidt val = s-session;
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if (s < session || val > MAXSESSION) return 0;
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if (s < session || val >= MAXSESSION) return 0;
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return val;
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}
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@ -1357,7 +1359,7 @@ static void controladd(controlt * c, tunnelidt t, sessionidt s)
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//
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void throttle_session(sessionidt s, int rate_in, int rate_out)
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{
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if (!session[s].tunnel)
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if (!session[s].opened)
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return; // No-one home.
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if (!*session[s].user)
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@ -1395,7 +1397,7 @@ void throttle_session(sessionidt s, int rate_in, int rate_out)
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// add/remove filters from session (-1 = no change)
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static void filter_session(sessionidt s, int filter_in, int filter_out)
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{
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if (!session[s].tunnel)
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if (!session[s].opened)
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return; // No-one home.
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if (!*session[s].user)
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@ -1438,9 +1440,9 @@ void sessionshutdown(sessionidt s, char *reason)
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CSTAT(sessionshutdown);
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if (!session[s].tunnel)
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if (!session[s].opened)
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{
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LOG(3, s, session[s].tunnel, "Called sessionshutdown on a session with no tunnel.\n");
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LOG(3, s, session[s].tunnel, "Called sessionshutdown on an unopened session.\n");
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return; // not a live session
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}
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@ -1451,7 +1453,7 @@ void sessionshutdown(sessionidt s, char *reason)
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run_plugins(PLUGIN_KILL_SESSION, &data);
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}
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if (session[s].opened && !walled_garden && !session[s].die)
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if (!walled_garden && !session[s].die)
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{
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// RADIUS Stop message
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uint16_t r = session[s].radius;
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@ -1514,7 +1516,7 @@ void sessionshutdown(sessionidt s, char *reason)
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}
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if (!session[s].die)
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session[s].die = now() + 150; // Clean up in 15 seconds
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session[s].die = TIME + 150; // Clean up in 15 seconds
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// update filter refcounts
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if (session[s].filter_in) ip_filters[session[s].filter_in - 1].used--;
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@ -1589,12 +1591,21 @@ void sendipcp(tunnelidt t, sessionidt s)
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}
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// kill a session now
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static void sessionkill(sessionidt s, char *reason)
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void sessionkill(sessionidt s, char *reason)
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{
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CSTAT(sessionkill);
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session[s].die = now();
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if (!session[s].opened) // not alive
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return;
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if (session[s].next)
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{
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LOG(0, s, session[s].tunnel, "Tried to kill a session with next pointer set (%d)\n", session[s].next);
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return;
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}
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session[s].die = TIME;
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sessionshutdown(s, reason); // close radius/routes, etc.
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if (session[s].radius)
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radiusclear(session[s].radius, s); // cant send clean accounting data, session is killed
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@ -1636,7 +1647,7 @@ static void tunnelkill(tunnelidt t, char *reason)
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controlfree = c;
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}
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// kill sessions
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for (s = 1; s < MAXSESSION; s++)
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for (s = 1; s <= config->cluster_highest_sessionid ; ++s)
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if (session[s].tunnel == t)
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sessionkill(s, reason);
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@ -1663,12 +1674,12 @@ static void tunnelshutdown(tunnelidt t, char *reason)
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LOG(1, 0, t, "Shutting down tunnel %d (%s)\n", t, reason);
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// close session
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for (s = 1; s < MAXSESSION; s++)
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for (s = 1; s <= config->cluster_highest_sessionid ; ++s)
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if (session[s].tunnel == t)
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sessionshutdown(s, reason);
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tunnel[t].state = TUNNELDIE;
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tunnel[t].die = now() + 700; // Clean up in 70 seconds
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tunnel[t].die = TIME + 700; // Clean up in 70 seconds
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cluster_send_tunnel(t);
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// TBA - should we wait for sessions to stop?
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{ // Send StopCCN
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@ -2202,7 +2213,8 @@ void processudp(uint8_t * buf, int len, struct sockaddr_in *addr)
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if (!sessionfree)
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{
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STAT(session_overflow);
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tunnelshutdown(t, "No free sessions");
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LOG(1, 0, t, "No free sessions");
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return;
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}
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else
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{
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@ -2226,7 +2238,7 @@ void processudp(uint8_t * buf, int len, struct sockaddr_in *addr)
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c = controlnew(11); // sending ICRP
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session[s].id = sessionid++;
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session[s].opened = time(NULL);
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session[s].opened = time_now;
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session[s].tunnel = t;
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session[s].far = asession;
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session[s].last_packet = time_now;
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@ -2306,7 +2318,7 @@ void processudp(uint8_t * buf, int len, struct sockaddr_in *addr)
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l -= 2;
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}
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if (s && !session[s].tunnel) // Is something wrong??
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if (s && !session[s].opened) // Is something wrong??
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{
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if (!config->cluster_iam_master)
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{
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@ -2316,9 +2328,7 @@ void processudp(uint8_t * buf, int len, struct sockaddr_in *addr)
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}
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LOG(1, s, t, "UDP packet contains session %d but no session[%d].tunnel "
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"exists (LAC said tunnel = %d). Dropping packet.\n", s, s, t);
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LOG(1, s, t, "UDP packet contains session which is not opened. Dropping packet.\n");
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STAT(tunnel_rx_errors);
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return;
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}
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@ -2525,7 +2535,7 @@ static int regular_cleanups(void)
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if (s > config->cluster_highest_sessionid)
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s = 1;
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if (!session[s].tunnel) // Session isn't in use
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if (!session[s].opened) // Session isn't in use
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continue;
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if (!session[s].die && session[s].ip && !(session[s].flags & SF_IPCP_ACKED))
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@ -3269,8 +3279,9 @@ void rebuild_address_pool(void)
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for (i = 0; i < MAXSESSION; ++i)
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{
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int ipid;
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if (!session[i].ip || !session[i].tunnel)
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if (!(session[i].opened && session[i].ip))
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continue;
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ipid = - lookup_ipmap(htonl(session[i].ip));
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if (session[i].ip_pool_index < 0)
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@ -4016,7 +4027,7 @@ int sessionsetup(tunnelidt t, sessionidt s)
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LOG(3, s, t, "Doing session setup for session\n");
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if (!session[s].ip || session[s].ip == 0xFFFFFFFE)
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if (!session[s].ip)
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{
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assign_ip_address(s);
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if (!session[s].ip)
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@ -4619,7 +4630,7 @@ void become_master(void)
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{
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for (s = 1; s <= config->cluster_highest_sessionid ; ++s)
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{
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if (!session[s].tunnel) // Not an in-use session.
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if (!session[s].opened) // Not an in-use session.
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continue;
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run_plugins(PLUGIN_NEW_SESSION_MASTER, &session[s]);
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@ -4651,7 +4662,7 @@ int cmd_show_hist_idle(struct cli_def *cli, char *command, char **argv, int argc
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for (s = 1; s <= config->cluster_highest_sessionid ; ++s)
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{
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int idle;
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if (!session[s].tunnel)
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if (!session[s].opened)
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continue;
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idle = time_now - session[s].last_packet;
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@ -4689,7 +4700,7 @@ int cmd_show_hist_open(struct cli_def *cli, char *command, char **argv, int argc
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for (s = 1; s <= config->cluster_highest_sessionid ; ++s)
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{
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int open = 0, d;
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if (!session[s].tunnel)
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if (!session[s].opened)
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continue;
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d = time_now - session[s].opened;
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