#include "bgp.h"
#endif
-#ifdef LAC
#include "l2tplac.h"
-#endif
#include "pppoe.h"
-#ifdef LAC
char * Vendor_name = "Linux L2TPNS";
uint32_t call_serial_number = 0;
-#endif
// Globals
configt *config = NULL; // all configuration
int nlfd = -1; // netlink socket
int tunfd = -1; // tun interface file handle. (network device)
-int udpfd = -1; // UDP file handle
-#ifdef LAC
+int udpfd[MAX_UDPFD + 1] = INIT_TABUDPFD; // array UDP file handle + 1 for lac udp
int udplacfd = -1; // UDP LAC file handle
-#endif
int controlfd = -1; // Control signal handle
int clifd = -1; // Socket listening for CLI connections.
int daefd = -1; // Socket listening for DAE connections.
CONFIG("idle_echo_timeout", idle_echo_timeout, INT),
CONFIG("iftun_address", iftun_address, IPv4),
CONFIG("tundevicename", tundevicename, STRING),
-#ifdef LAC
CONFIG("disable_lac_func", disable_lac_func, BOOL),
CONFIG("auth_tunnel_change_addr_src", auth_tunnel_change_addr_src, BOOL),
CONFIG("bind_address_remotelns", bind_address_remotelns, IPv4),
CONFIG("bind_portremotelns", bind_portremotelns, SHORT),
-#endif
CONFIG("pppoe_if_to_bind", pppoe_if_to_bind, STRING),
CONFIG("pppoe_service_name", pppoe_service_name, STRING),
CONFIG("pppoe_ac_name", pppoe_ac_name, STRING),
CONFIG("disable_sending_hello", disable_sending_hello, BOOL),
CONFIG("disable_no_spoof", disable_no_spoof, BOOL),
+ CONFIG("bind_multi_address", bind_multi_address, STRING),
{ NULL, 0, 0, 0 }
};
}
if (*config->tundevicename)
- strncpy(ifr.ifr_name, config->tundevicename, IFNAMSIZ);
+ strncpy(ifr.ifr_name, config->tundevicename, IFNAMSIZ);
if (ioctl(tunfd, TUNSETIFF, (void *) &ifr) < 0)
{
req.ifmsg.ifaddr.ifa_scope = RT_SCOPE_UNIVERSE;
req.ifmsg.ifaddr.ifa_index = tunidx;
- if (config->iftun_address)
- ip = config->iftun_address;
+ if (config->nbmultiaddress > 1)
+ {
+ int i;
+ for (i = 0; i < config->nbmultiaddress ; i++)
+ {
+ ip = config->iftun_n_address[i];
+ netlink_addattr(&req.nh, IFA_LOCAL, &ip, sizeof(ip));
+ if (netlink_send(&req.nh) < 0)
+ goto senderror;
+ }
+ }
else
- ip = 0x01010101; // 1.1.1.1
- netlink_addattr(&req.nh, IFA_LOCAL, &ip, sizeof(ip));
+ {
+ if (config->iftun_address)
+ ip = config->iftun_address;
+ else
+ ip = 0x01010101; // 1.1.1.1
+ netlink_addattr(&req.nh, IFA_LOCAL, &ip, sizeof(ip));
+
+ if (netlink_send(&req.nh) < 0)
+ goto senderror;
+ }
+
- if (netlink_send(&req.nh) < 0)
- goto senderror;
// Only setup IPv6 on the tun device if we have a configured prefix
if (config->ipv6_prefix.s6_addr[0]) {
exit(1);
}
-// set up UDP ports
-static void initudp(void)
+// set up LAC UDP ports
+static void initlacudp(void)
{
int on = 1;
struct sockaddr_in addr;
- // Tunnel
+ // Tunnel to Remote LNS
memset(&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
- addr.sin_port = htons(L2TPPORT);
- addr.sin_addr.s_addr = config->bind_address;
- udpfd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
- setsockopt(udpfd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
+ addr.sin_port = htons(config->bind_portremotelns);
+ addr.sin_addr.s_addr = config->bind_address_remotelns;
+ udplacfd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
+ setsockopt(udplacfd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
{
- int flags = fcntl(udpfd, F_GETFL, 0);
- fcntl(udpfd, F_SETFL, flags | O_NONBLOCK);
+ int flags = fcntl(udplacfd, F_GETFL, 0);
+ fcntl(udplacfd, F_SETFL, flags | O_NONBLOCK);
}
- if (bind(udpfd, (struct sockaddr *) &addr, sizeof(addr)) < 0)
+ if (bind(udplacfd, (struct sockaddr *) &addr, sizeof(addr)) < 0)
{
- LOG(0, 0, 0, "Error in UDP bind: %s\n", strerror(errno));
+ LOG(0, 0, 0, "Error in UDP REMOTE LNS bind: %s\n", strerror(errno));
exit(1);
}
+}
+
+// set up control ports
+static void initcontrol(void)
+{
+ int on = 1;
+ struct sockaddr_in addr;
// Control
memset(&addr, 0, sizeof(addr));
LOG(0, 0, 0, "Error in control bind: %s\n", strerror(errno));
exit(1);
}
+}
+
+// set up Dynamic Authorization Extensions to RADIUS port
+static void initdae(void)
+{
+ int on = 1;
+ struct sockaddr_in addr;
// Dynamic Authorization Extensions to RADIUS
memset(&addr, 0, sizeof(addr));
LOG(0, 0, 0, "Error in DAE bind: %s\n", strerror(errno));
exit(1);
}
+}
-#ifdef LAC
- // Tunnel to Remote LNS
+// set up UDP ports
+static void initudp(int * pudpfd, in_addr_t ip_bind)
+{
+ int on = 1;
+ struct sockaddr_in addr;
+
+ // Tunnel
memset(&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
- addr.sin_port = htons(config->bind_portremotelns);
- addr.sin_addr.s_addr = config->bind_address_remotelns;
- udplacfd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
- setsockopt(udplacfd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
+ addr.sin_port = htons(L2TPPORT);
+ addr.sin_addr.s_addr = ip_bind;
+ (*pudpfd) = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
+ setsockopt((*pudpfd), SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
{
- int flags = fcntl(udplacfd, F_GETFL, 0);
- fcntl(udplacfd, F_SETFL, flags | O_NONBLOCK);
+ int flags = fcntl((*pudpfd), F_GETFL, 0);
+ fcntl((*pudpfd), F_SETFL, flags | O_NONBLOCK);
}
- if (bind(udplacfd, (struct sockaddr *) &addr, sizeof(addr)) < 0)
+ if (bind((*pudpfd), (struct sockaddr *) &addr, sizeof(addr)) < 0)
{
- LOG(0, 0, 0, "Error in UDP REMOTE LNS bind: %s\n", strerror(errno));
+ LOG(0, 0, 0, "Error in UDP bind: %s\n", strerror(errno));
exit(1);
}
-#endif
-
- // Intercept
- snoopfd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
}
//
LOG(3, 0, t, "Control message resend try %d\n", tunnel[t].try);
}
}
-#ifdef LAC
- if (sendto((tunnel[t].isremotelns?udplacfd:udpfd), buf, l, 0, (void *) &addr, sizeof(addr)) < 0)
-#else
- if (sendto(udpfd, buf, l, 0, (void *) &addr, sizeof(addr)) < 0)
-#endif
+
+ if (sendto(udpfd[tunnel[t].indexudp], buf, l, 0, (void *) &addr, sizeof(addr)) < 0)
{
LOG(0, ntohs((*(uint16_t *) (buf + 6))), t, "Error sending data out tunnel: %s (udpfd=%d, buf=%p, len=%d, dest=%s)\n",
- strerror(errno), udpfd, buf, l, inet_ntoa(addr.sin_addr));
+ strerror(errno), udpfd[tunnel[t].indexudp], buf, l, inet_ntoa(addr.sin_addr));
STAT(tunnel_tx_errors);
return;
}
q[4] = 3; // ip address option
q[5] = 6; // option length
*(in_addr_t *) (q + 6) = config->peer_address ? config->peer_address :
- config->iftun_address ? config->iftun_address :
+ config->iftun_n_address[tunnel[t].indexudp] ? config->iftun_n_address[tunnel[t].indexudp] :
my_address; // send my IP
tunnelsend(buf, 10 + (q - buf), t); // send it
if (sess_local[s].radius)
radiusclear(sess_local[s].radius, s); // cant send clean accounting data, session is killed
-#ifdef LAC
if (session[s].forwardtosession)
{
sessionidt sess = session[s].forwardtosession;
sessionshutdown(sess, reason, CDN_ADMIN_DISC, TERM_ADMIN_RESET);
}
}
-#endif
LOG(2, s, session[s].tunnel, "Kill session %d (%s): %s\n", s, session[s].user, reason);
sessionclear(s);
}
// read and process packet on tunnel (UDP)
-void processudp(uint8_t *buf, int len, struct sockaddr_in *addr)
+void processudp(uint8_t *buf, int len, struct sockaddr_in *addr, uint16_t indexudpfd)
{
uint8_t *chapresponse = NULL;
uint16_t l = len, t = 0, s = 0, ns = 0, nr = 0;
if (!config->cluster_iam_master)
{
- master_forward_packet(buf, len, addr->sin_addr.s_addr, addr->sin_port);
+ master_forward_packet(buf, len, addr->sin_addr.s_addr, addr->sin_port, indexudpfd);
return;
}
tunnel[t].ip = ntohl(*(in_addr_t *) & addr->sin_addr);
tunnel[t].port = ntohs(addr->sin_port);
tunnel[t].window = 4; // default window
+ tunnel[t].indexudp = indexudpfd;
STAT(tunnel_created);
LOG(1, 0, t, " New tunnel from %s:%u ID %u\n",
fmtaddr(htonl(tunnel[t].ip), 0), tunnel[t].port, t);
}
break;
case 13: // Response
-#ifdef LAC
if (tunnel[t].isremotelns)
{
chapresponse = calloc(17, 1);
LOG(3, s, t, "received challenge response from REMOTE LNS\n");
}
else
-#endif /* LAC */
// Why did they send a response? We never challenge.
LOG(2, s, t, " received unexpected challenge response\n");
break;
case 2: // SCCRP
tunnel[t].state = TUNNELOPEN;
tunnel[t].lastrec = time_now;
-#ifdef LAC
LOG(3, s, t, "Received SCCRP\n");
if (main_quit != QUIT_SHUTDOWN)
{
{
tunnelshutdown(t, "Shutting down", 6, 0, 0);
}
-#endif /* LAC */
break;
case 3: // SCCN
LOG(3, s, t, "Received SCCN\n");
}
return;
case 11: // ICRP
-#ifdef LAC
LOG(3, s, t, "Received ICRP\n");
if (session[s].forwardtosession)
{
controladd(c, asession, t); // send the message
LOG(3, s, t, "Sending ICCN\n");
}
-#endif /* LAC */
break;
case 12: // ICCN
LOG(3, s, t, "Received ICCN\n");
// Set multilink options before sending initial LCP packet
sess_local[s].mp_mrru = 1614;
- sess_local[s].mp_epdis = ntohl(config->iftun_address ? config->iftun_address : my_address);
+ sess_local[s].mp_epdis = ntohl(config->iftun_n_address[tunnel[t].indexudp] ? config->iftun_n_address[tunnel[t].indexudp] : my_address);
sendlcp(s, t);
change_state(s, lcp, RequestSent);
l -= 2;
}
-#ifdef LAC
if (session[s].forwardtosession)
{
LOG(5, s, t, "Forwarding data session to session %u\n", session[s].forwardtosession);
// Forward to LAC/BAS or Remote LNS session
- lac_session_forward(buf, len, s, proto, addr->sin_addr.s_addr, addr->sin_port);
+ lac_session_forward(buf, len, s, proto, addr->sin_addr.s_addr, addr->sin_port, indexudpfd);
return;
}
else if (config->auth_tunnel_change_addr_src)
tunnel[t].ip = ntohl(addr->sin_addr.s_addr);
}
}
-#endif /* LAC */
if (s && !session[s].opened) // Is something wrong??
{
if (!config->cluster_iam_master)
{
// Pass it off to the master to deal with..
- master_forward_packet(buf, len, addr->sin_addr.s_addr, addr->sin_port);
+ master_forward_packet(buf, len, addr->sin_addr.s_addr, addr->sin_port, indexudpfd);
return;
}
if (proto == PPPPAP)
{
session[s].last_packet = time_now;
- if (!config->cluster_iam_master) { master_forward_packet(buf, len, addr->sin_addr.s_addr, addr->sin_port); return; }
+ if (!config->cluster_iam_master) { master_forward_packet(buf, len, addr->sin_addr.s_addr, addr->sin_port, indexudpfd); return; }
processpap(s, t, p, l);
}
else if (proto == PPPCHAP)
{
session[s].last_packet = time_now;
- if (!config->cluster_iam_master) { master_forward_packet(buf, len, addr->sin_addr.s_addr, addr->sin_port); return; }
+ if (!config->cluster_iam_master) { master_forward_packet(buf, len, addr->sin_addr.s_addr, addr->sin_port, indexudpfd); return; }
processchap(s, t, p, l);
}
else if (proto == PPPLCP)
{
session[s].last_packet = time_now;
- if (!config->cluster_iam_master) { master_forward_packet(buf, len, addr->sin_addr.s_addr, addr->sin_port); return; }
+ if (!config->cluster_iam_master) { master_forward_packet(buf, len, addr->sin_addr.s_addr, addr->sin_port, indexudpfd); return; }
processlcp(s, t, p, l);
}
else if (proto == PPPIPCP)
{
session[s].last_packet = time_now;
- if (!config->cluster_iam_master) { master_forward_packet(buf, len, addr->sin_addr.s_addr, addr->sin_port); return; }
+ if (!config->cluster_iam_master) { master_forward_packet(buf, len, addr->sin_addr.s_addr, addr->sin_port, indexudpfd); return; }
processipcp(s, t, p, l);
}
else if (proto == PPPIPV6CP && config->ipv6_prefix.s6_addr[0])
{
session[s].last_packet = time_now;
- if (!config->cluster_iam_master) { master_forward_packet(buf, len, addr->sin_addr.s_addr, addr->sin_port); return; }
+ if (!config->cluster_iam_master) { master_forward_packet(buf, len, addr->sin_addr.s_addr, addr->sin_port, indexudpfd); return; }
processipv6cp(s, t, p, l);
}
else if (proto == PPPCCP)
{
session[s].last_packet = time_now;
- if (!config->cluster_iam_master) { master_forward_packet(buf, len, addr->sin_addr.s_addr, addr->sin_port); return; }
+ if (!config->cluster_iam_master) { master_forward_packet(buf, len, addr->sin_addr.s_addr, addr->sin_port, indexudpfd); return; }
processccp(s, t, p, l);
}
else if (proto == PPPIP)
session[s].last_packet = session[s].last_data = time_now;
if (session[s].walled_garden && !config->cluster_iam_master)
{
- master_forward_packet(buf, len, addr->sin_addr.s_addr, addr->sin_port);
+ master_forward_packet(buf, len, addr->sin_addr.s_addr, addr->sin_port, indexudpfd);
return;
}
if (!config->cluster_iam_master)
{
// The fragments reconstruction is managed by the Master.
- master_forward_packet(buf, len, addr->sin_addr.s_addr, addr->sin_port);
+ master_forward_packet(buf, len, addr->sin_addr.s_addr, addr->sin_port, indexudpfd);
return;
}
session[s].last_packet = session[s].last_data = time_now;
if (session[s].walled_garden && !config->cluster_iam_master)
{
- master_forward_packet(buf, len, addr->sin_addr.s_addr, addr->sin_port);
+ master_forward_packet(buf, len, addr->sin_addr.s_addr, addr->sin_port, indexudpfd);
return;
}
else if (session[s].ppp.lcp == Opened)
{
session[s].last_packet = time_now;
- if (!config->cluster_iam_master) { master_forward_packet(buf, len, addr->sin_addr.s_addr, addr->sin_port); return; }
+ if (!config->cluster_iam_master) { master_forward_packet(buf, len, addr->sin_addr.s_addr, addr->sin_port, indexudpfd); return; }
protoreject(s, t, p, l, proto);
}
else
# include "fake_epoll.h"
#endif
-#ifdef LAC
-// the base set of fds polled: cli, cluster, tun, udp, control, dae, netlink, udplac, pppoedisc, pppoesess
-#define BASE_FDS 10
-#else
-// the base set of fds polled: cli, cluster, tun, udp, control, dae, netlink, pppoedisc, pppoesess
-#define BASE_FDS 9
-#endif
+// the base set of fds polled: cli, cluster, tun, udp (MAX_UDPFD), control, dae, netlink, udplac, pppoedisc, pppoesess
+#define BASE_FDS (9 + MAX_UDPFD)
// additional polled fds
#ifdef BGP
// main loop - gets packets on tun or udp and processes them
static void mainloop(void)
{
- int i;
+ int i, j;
uint8_t buf[65536];
uint8_t *p = buf + 32; // for the hearder of the forwarded MPPP packet (see C_MPPP_FORWARD)
// and the forwarded pppoe session
exit(1);
}
-#ifdef LAC
LOG(4, 0, 0, "Beginning of main loop. clifd=%d, cluster_sockfd=%d, tunfd=%d, udpfd=%d, controlfd=%d, daefd=%d, nlfd=%d , udplacfd=%d, pppoefd=%d, pppoesessfd=%d\n",
- clifd, cluster_sockfd, tunfd, udpfd, controlfd, daefd, nlfd, udplacfd, pppoediscfd, pppoesessfd);
-#else
- LOG(4, 0, 0, "Beginning of main loop. clifd=%d, cluster_sockfd=%d, tunfd=%d, udpfd=%d, controlfd=%d, daefd=%d, nlfd=%d, pppoefd=%d, pppoesessfd=%d\n",
- clifd, cluster_sockfd, tunfd, udpfd, controlfd, daefd, nlfd, pppoediscfd, pppoesessfd);
-#endif
+ clifd, cluster_sockfd, tunfd, udpfd[0], controlfd, daefd, nlfd, udplacfd, pppoediscfd, pppoesessfd);
/* setup our fds to poll for input */
{
e.data.ptr = &d[i++];
epoll_ctl(epollfd, EPOLL_CTL_ADD, tunfd, &e);
- d[i].type = FD_TYPE_UDP;
- e.data.ptr = &d[i++];
- epoll_ctl(epollfd, EPOLL_CTL_ADD, udpfd, &e);
-
d[i].type = FD_TYPE_CONTROL;
e.data.ptr = &d[i++];
epoll_ctl(epollfd, EPOLL_CTL_ADD, controlfd, &e);
e.data.ptr = &d[i++];
epoll_ctl(epollfd, EPOLL_CTL_ADD, nlfd, &e);
-#ifdef LAC
- d[i].type = FD_TYPE_UDPLAC;
- e.data.ptr = &d[i++];
- epoll_ctl(epollfd, EPOLL_CTL_ADD, udplacfd, &e);
-#endif
-
d[i].type = FD_TYPE_PPPOEDISC;
e.data.ptr = &d[i++];
epoll_ctl(epollfd, EPOLL_CTL_ADD, pppoediscfd, &e);
d[i].type = FD_TYPE_PPPOESESS;
e.data.ptr = &d[i++];
epoll_ctl(epollfd, EPOLL_CTL_ADD, pppoesessfd, &e);
+
+ for (j = 0; j < config->nbudpfd; j++)
+ {
+ d[i].type = FD_TYPE_UDP;
+ d[i].index = j;
+ e.data.ptr = &d[i++];
+ epoll_ctl(epollfd, EPOLL_CTL_ADD, udpfd[j], &e);
+ }
}
#ifdef BGP
struct in_addr local;
socklen_t alen;
int c, s;
- int udp_ready = 0;
-#ifdef LAC
- int udplac_ready = 0;
- int udplac_pkts = 0;
-#endif
+ int udp_ready[MAX_UDPFD + 1] = INIT_TABUDPVAR;
int pppoesess_ready = 0;
int pppoesess_pkts = 0;
int tun_ready = 0;
int cluster_ready = 0;
- int udp_pkts = 0;
+ int udp_pkts[MAX_UDPFD + 1] = INIT_TABUDPVAR;
int tun_pkts = 0;
int cluster_pkts = 0;
#ifdef BGP
// these are handled below, with multiple interleaved reads
case FD_TYPE_CLUSTER: cluster_ready++; break;
case FD_TYPE_TUN: tun_ready++; break;
- case FD_TYPE_UDP: udp_ready++; break;
-#ifdef LAC
- case FD_TYPE_UDPLAC: udplac_ready++; break;
-#endif
+ case FD_TYPE_UDP: udp_ready[d->index]++; break;
case FD_TYPE_PPPOESESS: pppoesess_ready++; break;
case FD_TYPE_PPPOEDISC: // pppoe discovery
#ifdef BGP
case FD_TYPE_BGP:
- bgp_events[d->index] = events[i].events;
- n--;
+ bgp_events[d->index] = events[i].events;
+ n--;
break;
#endif /* BGP */
exit(1);
}
else
-
LOG(0, 0, 0, "Got a netlink error: %s\n", strerror(-errmsg->error));
}
// else it's a ack
}
default:
- LOG(0, 0, 0, "Unexpected fd type returned from epoll_wait: %d\n", d->type);
+ LOG(0, 0, 0, "Unexpected fd type returned from epoll_wait: %d\n", d->type);
}
}
for (c = 0; n && c < config->multi_read_count; c++)
{
- // L2TP
- if (udp_ready)
+ for (j = 0; j < config->nbudpfd; j++)
{
- alen = sizeof(addr);
- if ((s = recvfrom(udpfd, p, size_bufp, 0, (void *) &addr, &alen)) > 0)
- {
- processudp(p, s, &addr);
- udp_pkts++;
- }
- else
+ // L2TP and L2TP REMOTE LNS
+ if (udp_ready[j])
{
- udp_ready = 0;
- n--;
+ alen = sizeof(addr);
+ if ((s = recvfrom(udpfd[j], p, size_bufp, 0, (void *) &addr, &alen)) > 0)
+ {
+ processudp(p, s, &addr, j);
+ udp_pkts[j]++;
+ }
+ else
+ {
+ udp_ready[j] = 0;
+ n--;
+ }
}
}
-#ifdef LAC
- // L2TP REMOTE LNS
- if (udplac_ready)
- {
- alen = sizeof(addr);
- if ((s = recvfrom(udplacfd, p, size_bufp, 0, (void *) &addr, &alen)) > 0)
- {
- if (!config->disable_lac_func)
- processudp(p, s, &addr);
- udplac_pkts++;
- }
- else
- {
- udplac_ready = 0;
- n--;
- }
- }
-#endif
// incoming IP
if (tun_ready)
{
}
}
- if (udp_pkts > 1 || tun_pkts > 1 || cluster_pkts > 1)
+ if (udp_pkts[0] > 1 || tun_pkts > 1 || cluster_pkts > 1)
STAT(multi_read_used);
if (c >= config->multi_read_count)
{
-#ifdef LAC
- LOG(3, 0, 0, "Reached multi_read_count (%d); processed %d udp, %d tun %d cluster %d rmlns and %d pppoe packets\n",
- config->multi_read_count, udp_pkts, tun_pkts, cluster_pkts, udplac_pkts, pppoesess_pkts);
-#else
LOG(3, 0, 0, "Reached multi_read_count (%d); processed %d udp, %d tun %d cluster and %d pppoe packets\n",
- config->multi_read_count, udp_pkts, tun_pkts, cluster_pkts, pppoesess_pkts);
-#endif
+ config->multi_read_count, udp_pkts[0], tun_pkts, cluster_pkts, pppoesess_pkts);
STAT(multi_read_exceeded);
more++;
}
}
#endif /* BGP */
-#ifdef LAC
lac_initremotelnsdata();
-#endif
}
static int assign_ip_address(sessionidt s)
static int dump_session(FILE **f, sessiont *s)
{
-#ifdef LAC
if (!s->opened || (!s->ip && !s->forwardtosession) || !(s->cin_delta || s->cout_delta) || !*s->user || s->walled_garden)
-#else
- if (!s->opened || !s->ip || !(s->cin_delta || s->cout_delta) || !*s->user || s->walled_garden)
-#endif
return 1;
if (!*f)
"# uptime: %ld\n"
"# format: username ip qos uptxoctets downrxoctets\n",
hostname,
- fmtaddr(config->iftun_address ? config->iftun_address : my_address, 0),
+ fmtaddr(config->iftun_n_address[tunnel[s->tunnel].indexudp] ? config->iftun_n_address[tunnel[s->tunnel].indexudp] : my_address, 0),
now,
now - basetime);
}
init_pppoe();
LOG(1, 0, 0, "Set up on pppoe interface %s\n", config->pppoe_if_to_bind);
}
- initudp();
+
+ if (!config->nbmultiaddress)
+ {
+ config->bind_n_address[0] = config->bind_address;
+ config->nbmultiaddress++;
+ }
+ config->nbudpfd = config->nbmultiaddress;
+ for (i = 0; i < config->nbudpfd; i++)
+ initudp(&udpfd[i], config->bind_n_address[i]);
+ initlacudp();
+ config->indexlacudpfd = config->nbudpfd;
+ udpfd[config->indexlacudpfd] = udplacfd;
+ config->nbudpfd++;
+
+ initcontrol();
+ initdae();
+
+ // Intercept
+ snoopfd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
+
initrad();
initippool();
if (!config->radius_dae_port)
config->radius_dae_port = DAEPORT;
-#ifdef LAC
if(!config->bind_portremotelns)
config->bind_portremotelns = L2TPLACPORT;
if(!config->bind_address_remotelns)
config->bind_address_remotelns = INADDR_ANY;
-#endif
+
+ if (*config->bind_multi_address)
+ {
+ char *sip = config->bind_multi_address;
+ char *n = sip;
+ char *e = config->bind_multi_address + strlen(config->bind_multi_address);
+ config->nbmultiaddress = 0;
+
+ while (*sip && (sip < e))
+ {
+ in_addr_t ip = 0;
+ uint8_t u = 0;
+
+ while (n < e && (*n == ',' || *n == ' ')) n++;
+
+ while (n < e && (isdigit(*n) || *n == '.'))
+ {
+ if (*n == '.')
+ {
+ ip = (ip << 8) + u;
+ u = 0;
+ }
+ else
+ u = u * 10 + *n - '0';
+ n++;
+ }
+ ip = (ip << 8) + u;
+ n++;
+
+ if (ip)
+ {
+ config->bind_n_address[config->nbmultiaddress] = htonl(ip);
+ config->iftun_n_address[config->nbmultiaddress] = htonl(ip);
+ config->nbmultiaddress++;
+ LOG(1, 0, 0, "Bind address %s\n", fmtaddr(htonl(ip), 0));
+ }
+
+ sip = n;
+ }
+
+ if (config->nbmultiaddress >= 1)
+ {
+ config->bind_address = config->bind_n_address[0];
+ config->iftun_address = config->bind_address;
+ }
+ }
+
if(!config->iftun_address)
+ {
config->iftun_address = config->bind_address;
+ config->iftun_n_address[0] = config->iftun_address;
+ }
if (!*config->pppoe_ac_name)
strncpy(config->pppoe_ac_name, DEFAULT_PPPOE_AC_NAME, sizeof(config->pppoe_ac_name) - 1);
return 0;
}
-#ifdef LAC
-
tunnelidt lac_new_tunnel()
{
return new_tunnel();
tunnelshutdown(t, reason, result, error, msg);
}
-#endif
}
extern int forked;
-extern int cluster_sockfd, tunfd, udpfd, controlfd, daefd, snoopfd, ifrfd, ifr6fd, rand_fd;
+extern int cluster_sockfd, tunfd, controlfd, daefd, snoopfd, ifrfd, ifr6fd, rand_fd;
+extern int pppoediscfd, pppoesessfd;
extern int *radfds;
+extern int udpfd[MAX_UDPFD + 1];
pid_t fork_and_close()
{
- pid_t pid = fork();
- int i;
-
- if (pid)
- return pid;
-
- forked++;
- if (config->scheduler_fifo)
- {
- struct sched_param params = {0};
- params.sched_priority = 0;
- if (sched_setscheduler(0, SCHED_OTHER, ¶ms))
+ pid_t pid = fork();
+ int i;
+
+ if (pid)
+ return pid;
+
+ forked++;
+ if (config->scheduler_fifo)
+ {
+ struct sched_param params = {0};
+ params.sched_priority = 0;
+ if (sched_setscheduler(0, SCHED_OTHER, ¶ms))
+ {
+ LOG(0, 0, 0, "Error setting scheduler to OTHER after fork: %s\n", strerror(errno));
+ LOG(0, 0, 0, "This is probably really really bad.\n");
+ }
+ }
+
+ signal(SIGPIPE, SIG_DFL);
+ signal(SIGCHLD, SIG_DFL);
+ signal(SIGHUP, SIG_DFL);
+ signal(SIGUSR1, SIG_DFL);
+ signal(SIGQUIT, SIG_DFL);
+ signal(SIGKILL, SIG_DFL);
+ signal(SIGTERM, SIG_DFL);
+
+ // Close sockets
+ if (clifd != -1) close(clifd);
+ if (cluster_sockfd != -1) close(cluster_sockfd);
+ if (tunfd != -1) close(tunfd);
+
+ for (i = 0; i < config->nbudpfd; i++)
{
- LOG(0, 0, 0, "Error setting scheduler to OTHER after fork: %s\n", strerror(errno));
- LOG(0, 0, 0, "This is probably really really bad.\n");
+ if (udpfd[i] != -1) close(udpfd[i]);
}
- }
-
- signal(SIGPIPE, SIG_DFL);
- signal(SIGCHLD, SIG_DFL);
- signal(SIGHUP, SIG_DFL);
- signal(SIGUSR1, SIG_DFL);
- signal(SIGQUIT, SIG_DFL);
- signal(SIGKILL, SIG_DFL);
- signal(SIGTERM, SIG_DFL);
-
- // Close sockets
- if (clifd != -1) close(clifd);
- if (cluster_sockfd != -1) close(cluster_sockfd);
- if (tunfd != -1) close(tunfd);
- if (udpfd != -1) close(udpfd);
- if (controlfd != -1) close(controlfd);
- if (daefd != -1) close(daefd);
- if (snoopfd != -1) close(snoopfd);
- if (rand_fd != -1) close(rand_fd);
- if (epollfd != -1) close(epollfd);
-
- for (i = 0; radfds && i < RADIUS_FDS; i++)
- close(radfds[i]);
+
+ if (pppoediscfd != -1) close(pppoediscfd);
+ if (pppoediscfd != -1) close(pppoediscfd);
+ if (controlfd != -1) close(controlfd);
+ if (daefd != -1) close(daefd);
+ if (snoopfd != -1) close(snoopfd);
+ if (rand_fd != -1) close(rand_fd);
+ if (epollfd != -1) close(epollfd);
+
+ for (i = 0; radfds && i < RADIUS_FDS; i++)
+ close(radfds[i]);
#ifdef BGP
- for (i = 0; i < BGP_NUM_PEERS; i++)
- if (bgp_peers[i].sock != -1)
- close(bgp_peers[i].sock);
+ for (i = 0; i < BGP_NUM_PEERS; i++)
+ if (bgp_peers[i].sock != -1)
+ close(bgp_peers[i].sock);
#endif /* BGP */
return pid;
}
ssize_t recvfromto(int s, void *buf, size_t len, int flags,
- struct sockaddr *from, socklen_t *fromlen, struct in_addr *toaddr)
+ struct sockaddr *from, socklen_t *fromlen, struct in_addr *toaddr)
{
- ssize_t r;
- struct msghdr msg;
- struct cmsghdr *cmsg;
- struct iovec vec;
- char cbuf[128];
+ ssize_t r;
+ struct msghdr msg;
+ struct cmsghdr *cmsg;
+ struct iovec vec;
+ char cbuf[128];
- memset(&msg, 0, sizeof(msg));
- msg.msg_name = from;
- msg.msg_namelen = *fromlen;
+ memset(&msg, 0, sizeof(msg));
+ msg.msg_name = from;
+ msg.msg_namelen = *fromlen;
- vec.iov_base = buf;
- vec.iov_len = len;
- msg.msg_iov = &vec;
- msg.msg_iovlen = 1;
- msg.msg_flags = 0;
+ vec.iov_base = buf;
+ vec.iov_len = len;
+ msg.msg_iov = &vec;
+ msg.msg_iovlen = 1;
+ msg.msg_flags = 0;
- msg.msg_control = cbuf;
- msg.msg_controllen = sizeof(cbuf);
+ msg.msg_control = cbuf;
+ msg.msg_controllen = sizeof(cbuf);
- if ((r = recvmsg(s, &msg, flags)) < 0)
- return r;
+ if ((r = recvmsg(s, &msg, flags)) < 0)
+ return r;
- if (fromlen)
- *fromlen = msg.msg_namelen;
+ if (fromlen)
+ *fromlen = msg.msg_namelen;
- memset(toaddr, 0, sizeof(*toaddr));
- for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg))
- {
- if (cmsg->cmsg_level == SOL_IP && cmsg->cmsg_type == IP_PKTINFO)
+ memset(toaddr, 0, sizeof(*toaddr));
+ for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg))
{
- struct in_pktinfo *i = (struct in_pktinfo *) CMSG_DATA(cmsg);
- memcpy(toaddr, &i->ipi_addr, sizeof(*toaddr));
- break;
+ if (cmsg->cmsg_level == SOL_IP && cmsg->cmsg_type == IP_PKTINFO)
+ {
+ struct in_pktinfo *i = (struct in_pktinfo *) CMSG_DATA(cmsg);
+ memcpy(toaddr, &i->ipi_addr, sizeof(*toaddr));
+ break;
+ }
}
- }
- return r;
+ return r;
}
ssize_t sendtofrom(int s, void const *buf, size_t len, int flags,
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