Update version
[l2tpns.git] / cluster.c
index 12f9d58..d9b226f 100644 (file)
--- a/cluster.c
+++ b/cluster.c
@@ -98,7 +98,7 @@ int cluster_init()
 
        memset(&addr, 0, sizeof(addr));
        addr.sin_family = AF_INET;
 
        memset(&addr, 0, sizeof(addr));
        addr.sin_family = AF_INET;
-       addr.sin_port = htons(CLUSTERPORT);
+       addr.sin_port = htons(config->cluster_port);
        addr.sin_addr.s_addr = INADDR_ANY;
        setsockopt(cluster_sockfd, SOL_SOCKET, SO_REUSEADDR, &addr, sizeof(addr));
 
        addr.sin_addr.s_addr = INADDR_ANY;
        setsockopt(cluster_sockfd, SOL_SOCKET, SO_REUSEADDR, &addr, sizeof(addr));
 
@@ -170,7 +170,7 @@ static int cluster_send_data(void *data, int datalen)
        if (!config->cluster_address) return 0;
 
        addr.sin_addr.s_addr = config->cluster_address;
        if (!config->cluster_address) return 0;
 
        addr.sin_addr.s_addr = config->cluster_address;
-       addr.sin_port = htons(CLUSTERPORT);
+       addr.sin_port = htons(config->cluster_port);
        addr.sin_family = AF_INET;
 
        LOG(5, 0, 0, "Cluster send data: %d bytes\n", datalen);
        addr.sin_family = AF_INET;
 
        LOG(5, 0, 0, "Cluster send data: %d bytes\n", datalen);
@@ -253,7 +253,7 @@ static int peer_send_data(in_addr_t peer, uint8_t *data, int size)
                return -1;
 
        addr.sin_addr.s_addr = peer;
                return -1;
 
        addr.sin_addr.s_addr = peer;
-       addr.sin_port = htons(CLUSTERPORT);
+       addr.sin_port = htons(config->cluster_port);
        addr.sin_family = AF_INET;
 
        LOG_HEX(5, "Peer send", data, size);
        addr.sin_family = AF_INET;
 
        LOG_HEX(5, "Peer send", data, size);
@@ -1425,6 +1425,128 @@ struct oldsession {
        char reserved_3[11];
 };
 
        char reserved_3[11];
 };
 
+struct oldsessionV7 {
+       sessionidt next;                // next session in linked list
+       sessionidt far;                 // far end session ID
+       tunnelidt tunnel;               // near end tunnel ID
+       uint8_t flags;                  // session flags: see SESSION_*
+       struct {
+               uint8_t phase;          // PPP phase
+               uint8_t lcp:4;          //   LCP    state
+               uint8_t ipcp:4;         //   IPCP   state
+               uint8_t ipv6cp:4;       //   IPV6CP state
+               uint8_t ccp:4;          //   CCP    state
+       } ppp;
+       uint16_t mru;                   // maximum receive unit
+       in_addr_t ip;                   // IP of session set by RADIUS response (host byte order).
+       int ip_pool_index;              // index to IP pool
+       uint32_t unique_id;             // unique session id
+       uint32_t magic;                 // ppp magic number
+       uint32_t pin, pout;             // packet counts
+       uint32_t cin, cout;             // byte counts
+       uint32_t cin_wrap, cout_wrap;   // byte counter wrap count (RADIUS accounting giagawords)
+       uint32_t cin_delta, cout_delta; // byte count changes (for dump_session())
+       uint16_t throttle_in;           // upstream throttle rate (kbps)
+       uint16_t throttle_out;          // downstream throttle rate
+       uint8_t filter_in;              // input filter index (to ip_filters[N-1]; 0 if none)
+       uint8_t filter_out;             // output filter index
+       uint16_t snoop_port;            // Interception destination port
+       in_addr_t snoop_ip;             // Interception destination IP
+       clockt opened;                  // when started
+       clockt die;                     // being closed, when to finally free
+       uint32_t session_timeout;       // Maximum session time in seconds
+       uint32_t idle_timeout;          // Maximum idle time in seconds
+       time_t last_packet;             // Last packet from the user (used for idle timeouts)
+       time_t last_data;               // Last data packet to/from the user (used for idle timeouts)
+       in_addr_t dns1, dns2;           // DNS servers
+       routet route[MAXROUTE];         // static routes
+       uint16_t tbf_in;                // filter bucket for throttling in from the user.
+       uint16_t tbf_out;               // filter bucket for throttling out to the user.
+       int random_vector_length;
+       uint8_t random_vector[MAXTEL];
+       char user[MAXUSER];             // user (needed in session for radius stop messages)
+       char called[MAXTEL];            // called number
+       char calling[MAXTEL];           // calling number
+       uint32_t tx_connect_speed;
+       uint32_t rx_connect_speed;
+       clockt timeout;                 // Session timeout
+       uint32_t mrru;                  // Multilink Max-Receive-Reconstructed-Unit
+       epdist epdis;                   // Multilink Endpoint Discriminator
+       bundleidt bundle;               // Multilink Bundle Identifier
+       uint8_t mssf;                   // Multilink Short Sequence Number Header Format
+       uint8_t walled_garden;          // is this session gardened?
+       uint8_t classlen;               // class (needed for radius accounting messages)
+       char class[MAXCLASS];
+       uint8_t ipv6prefixlen;          // IPv6 route prefix length
+       struct in6_addr ipv6route;      // Static IPv6 route
+       sessionidt forwardtosession;    // LNS id_session to forward
+       uint8_t src_hwaddr[ETH_ALEN];   // MAC addr source (for pppoe sessions 6 bytes)
+       char reserved[4];               // Space to expand structure without changing HB_VERSION
+};
+
+struct oldsessionV8 {
+       sessionidt next;                // next session in linked list
+       sessionidt far;                 // far end session ID
+       tunnelidt tunnel;               // near end tunnel ID
+       uint8_t flags;                  // session flags: see SESSION_*
+       struct {
+               uint8_t phase;          // PPP phase
+               uint8_t lcp:4;          //   LCP    state
+               uint8_t ipcp:4;         //   IPCP   state
+               uint8_t ipv6cp:4;       //   IPV6CP state
+               uint8_t ccp:4;          //   CCP    state
+       } ppp;
+       uint16_t mru;                   // maximum receive unit
+       in_addr_t ip;                   // IP of session set by RADIUS response (host byte order).
+       int ip_pool_index;              // index to IP pool
+       uint32_t unique_id;             // unique session id
+       uint32_t magic;                 // ppp magic number
+       uint32_t pin, pout;             // packet counts
+       uint32_t cin, cout;             // byte counts
+       uint32_t cin_wrap, cout_wrap;   // byte counter wrap count (RADIUS accounting giagawords)
+       uint32_t cin_delta, cout_delta; // byte count changes (for dump_session())
+       uint16_t throttle_in;           // upstream throttle rate (kbps)
+       uint16_t throttle_out;          // downstream throttle rate
+       uint8_t filter_in;              // input filter index (to ip_filters[N-1]; 0 if none)
+       uint8_t filter_out;             // output filter index
+       uint16_t snoop_port;            // Interception destination port
+       in_addr_t snoop_ip;             // Interception destination IP
+       clockt opened;                  // when started
+       clockt die;                     // being closed, when to finally free
+       uint32_t session_timeout;       // Maximum session time in seconds
+       uint32_t idle_timeout;          // Maximum idle time in seconds
+       time_t last_packet;             // Last packet from the user (used for idle timeouts)
+       time_t last_data;               // Last data packet to/from the user (used for idle timeouts)
+       in_addr_t dns1, dns2;           // DNS servers
+       routet route[MAXROUTE];         // static routes
+       uint16_t tbf_in;                // filter bucket for throttling in from the user.
+       uint16_t tbf_out;               // filter bucket for throttling out to the user.
+       int random_vector_length;
+       uint8_t random_vector[MAXTEL];
+       char user[MAXUSER];             // user (needed in session for radius stop messages)
+       char called[MAXTEL];            // called number
+       char calling[MAXTEL];           // calling number
+       uint32_t tx_connect_speed;
+       uint32_t rx_connect_speed;
+       clockt timeout;                 // Session timeout
+       uint32_t mrru;                  // Multilink Max-Receive-Reconstructed-Unit
+       epdist epdis;                   // Multilink Endpoint Discriminator
+       bundleidt bundle;               // Multilink Bundle Identifier
+       uint8_t mssf;                   // Multilink Short Sequence Number Header Format
+       uint8_t walled_garden;          // is this session gardened?
+       uint8_t classlen;               // class (needed for radius accounting messages)
+       char class[MAXCLASS];
+       uint8_t ipv6prefixlen;          // IPv6 route prefix length
+       struct in6_addr ipv6route;      // Static IPv6 route
+       sessionidt forwardtosession;    // LNS id_session to forward
+       uint8_t src_hwaddr[ETH_ALEN];   // MAC addr source (for pppoe sessions 6 bytes)
+       uint32_t dhcpv6_prefix_iaid;    // prefix iaid requested by client
+       uint32_t dhcpv6_iana_iaid;              // iaid of iana requested by client
+       struct in6_addr ipv6address;    // Framed Ipv6 address
+       struct dhcp6_opt_clientid dhcpv6_client_id; // Size max (headers + DUID)
+       char reserved[4];               // Space to expand structure without changing HB_VERSION
+};
+
 static uint8_t *convert_session(struct oldsession *old)
 {
        static sessiont new;
 static uint8_t *convert_session(struct oldsession *old)
 {
        static sessiont new;
@@ -1479,16 +1601,162 @@ static uint8_t *convert_session(struct oldsession *old)
        new.snoop_ip = old->snoop_ip;
        new.snoop_port = old->snoop_port;
        new.walled_garden = old->walled_garden;
        new.snoop_ip = old->snoop_ip;
        new.snoop_port = old->snoop_port;
        new.walled_garden = old->walled_garden;
-       new.ipv6prefixlen = old->ipv6prefixlen;
-       new.ipv6route = old->ipv6route;
+       new.route6[0].ipv6prefixlen = old->ipv6prefixlen;
+       new.route6[0].ipv6route = old->ipv6route;
+
+       memcpy(new.random_vector, old->random_vector, sizeof(new.random_vector));
+       memcpy(new.user, old->user, sizeof(new.user));
+       memcpy(new.called, old->called, sizeof(new.called));
+       memcpy(new.calling, old->calling, sizeof(new.calling));
+
+       for (i = 0; i < MAXROUTE; i++)
+               memcpy(&new.route[i], &old->route[i], sizeof(new.route[i]));
+
+       return (uint8_t *) &new;
+}
 
 
+static uint8_t *convert_sessionV7(struct oldsessionV7 *old)
+{
+       static sessiont new;
+       int i;
+
+       memset(&new, 0, sizeof(new));
+
+       new.next = old->next;
+       new.far = old->far;
+       new.tunnel = old->tunnel;
+       new.flags = old->flags;
+       new.ppp.phase = old->ppp.phase;
+       new.ppp.lcp = old->ppp.lcp;
+       new.ppp.ipcp = old->ppp.ipcp;
+       new.ppp.ipv6cp = old->ppp.ipv6cp;
+       new.ppp.ccp = old->ppp.ccp;
+       new.mru = old->mru;
+       new.ip = old->ip;
+       new.ip_pool_index = old->ip_pool_index;
+       new.unique_id = old->unique_id;
+       new.magic = old->magic;
+       new.pin = old->pin;
+       new.pout = old->pout;
+       new.cin = old->cin;
+       new.cout = old->cout;
+       new.cin_wrap = old->cin_wrap;
+       new.cout_wrap = old->cout_wrap;
+       new.cin_delta = old->cin_delta;
+       new.cout_delta = old->cout_delta;
+       new.throttle_in = old->throttle_in;
+       new.throttle_out = old->throttle_out;
+       new.filter_in = old->filter_in;
+       new.filter_out = old->filter_out;
+       new.snoop_port = old->snoop_port;
+       new.snoop_ip = old->snoop_ip;
+       new.opened = old->opened;
+       new.die = old->die;
+       new.session_timeout = old->session_timeout;
+       new.idle_timeout = old->idle_timeout;
+       new.last_packet = old->last_packet;
+       new.last_data = old->last_data;
+       new.dns1 = old->dns1;
+       new.dns2 = old->dns2;
+       for (i = 0; i < MAXROUTE; i++)
+               memcpy(&new.route[i], &old->route[i], sizeof(new.route[i]));
+       new.tbf_in = old->tbf_in;
+       new.tbf_out = old->tbf_out;
+       new.random_vector_length = old->random_vector_length;
        memcpy(new.random_vector, old->random_vector, sizeof(new.random_vector));
        memcpy(new.user, old->user, sizeof(new.user));
        memcpy(new.called, old->called, sizeof(new.called));
        memcpy(new.calling, old->calling, sizeof(new.calling));
        memcpy(new.random_vector, old->random_vector, sizeof(new.random_vector));
        memcpy(new.user, old->user, sizeof(new.user));
        memcpy(new.called, old->called, sizeof(new.called));
        memcpy(new.calling, old->calling, sizeof(new.calling));
+       new.tx_connect_speed = old->tx_connect_speed;
+       new.rx_connect_speed = old->rx_connect_speed;
+       new.timeout = old->timeout;
+       new.mrru = old->mrru;
+       new.epdis = old->epdis;
+       new.bundle = old->bundle;
+       new.mssf = old->mssf;
+       new.walled_garden = old->walled_garden;
+       new.classlen = old->classlen;
+       memcpy(new.class, old->class, sizeof(new.class));
+       new.route6[0].ipv6prefixlen = old->ipv6prefixlen;
+       new.route6[0].ipv6route = old->ipv6route;
+
+       new.forwardtosession = old->forwardtosession;
+       memcpy(new.src_hwaddr, old->src_hwaddr, sizeof(new.src_hwaddr));
+
+       return (uint8_t *) &new;
+}
+
+static uint8_t *convert_sessionV8(struct oldsessionV8 *old)
+{
+       static sessiont new;
+       int i;
 
 
+       memset(&new, 0, sizeof(new));
+
+       new.next = old->next;
+       new.far = old->far;
+       new.tunnel = old->tunnel;
+       new.flags = old->flags;
+       new.ppp.phase = old->ppp.phase;
+       new.ppp.lcp = old->ppp.lcp;
+       new.ppp.ipcp = old->ppp.ipcp;
+       new.ppp.ipv6cp = old->ppp.ipv6cp;
+       new.ppp.ccp = old->ppp.ccp;
+       new.mru = old->mru;
+       new.ip = old->ip;
+       new.ip_pool_index = old->ip_pool_index;
+       new.unique_id = old->unique_id;
+       new.magic = old->magic;
+       new.pin = old->pin;
+       new.pout = old->pout;
+       new.cin = old->cin;
+       new.cout = old->cout;
+       new.cin_wrap = old->cin_wrap;
+       new.cout_wrap = old->cout_wrap;
+       new.cin_delta = old->cin_delta;
+       new.cout_delta = old->cout_delta;
+       new.throttle_in = old->throttle_in;
+       new.throttle_out = old->throttle_out;
+       new.filter_in = old->filter_in;
+       new.filter_out = old->filter_out;
+       new.snoop_port = old->snoop_port;
+       new.snoop_ip = old->snoop_ip;
+       new.opened = old->opened;
+       new.die = old->die;
+       new.session_timeout = old->session_timeout;
+       new.idle_timeout = old->idle_timeout;
+       new.last_packet = old->last_packet;
+       new.last_data = old->last_data;
+       new.dns1 = old->dns1;
+       new.dns2 = old->dns2;
        for (i = 0; i < MAXROUTE; i++)
                memcpy(&new.route[i], &old->route[i], sizeof(new.route[i]));
        for (i = 0; i < MAXROUTE; i++)
                memcpy(&new.route[i], &old->route[i], sizeof(new.route[i]));
+       new.tbf_in = old->tbf_in;
+       new.tbf_out = old->tbf_out;
+       new.random_vector_length = old->random_vector_length;
+       memcpy(new.random_vector, old->random_vector, sizeof(new.random_vector));
+       memcpy(new.user, old->user, sizeof(new.user));
+       memcpy(new.called, old->called, sizeof(new.called));
+       memcpy(new.calling, old->calling, sizeof(new.calling));
+       new.tx_connect_speed = old->tx_connect_speed;
+       new.rx_connect_speed = old->rx_connect_speed;
+       new.timeout = old->timeout;
+       new.mrru = old->mrru;
+       new.epdis = old->epdis;
+       new.bundle = old->bundle;
+       new.mssf = old->mssf;
+       new.walled_garden = old->walled_garden;
+       new.classlen = old->classlen;
+       memcpy(new.class, old->class, sizeof(new.class));
+       new.route6[0].ipv6prefixlen = old->ipv6prefixlen;
+       new.route6[0].ipv6route = old->ipv6route;
+
+       new.forwardtosession = old->forwardtosession;
+       memcpy(new.src_hwaddr, old->src_hwaddr, sizeof(new.src_hwaddr));
+       new.dhcpv6_prefix_iaid = old->dhcpv6_prefix_iaid;
+       new.dhcpv6_iana_iaid = old->dhcpv6_iana_iaid;
+       new.ipv6address = old->ipv6address;
+       new.dhcpv6_client_id = old->dhcpv6_client_id;
 
        return (uint8_t *) &new;
 }
 
        return (uint8_t *) &new;
 }
@@ -1505,7 +1773,7 @@ static int cluster_process_heartbeat(uint8_t *data, int size, int more, uint8_t
        int i, type;
        int hb_ver = more;
 
        int i, type;
        int hb_ver = more;
 
-#if HB_VERSION != 8
+#if HB_VERSION != 9
 # error "need to update cluster_process_heartbeat()"
 #endif
 
 # error "need to update cluster_process_heartbeat()"
 #endif
 
@@ -1685,8 +1953,13 @@ static int cluster_process_heartbeat(uint8_t *data, int size, int more, uint8_t
                                if (size != sizeof(sessiont)) { // Ouch! Very very bad!
                                        if ((hb_ver < HB_VERSION) && (size < sizeof(sessiont)))
                                        {
                                if (size != sizeof(sessiont)) { // Ouch! Very very bad!
                                        if ((hb_ver < HB_VERSION) && (size < sizeof(sessiont)))
                                        {
-                                               LOG(2, 0, 0, "WARNING: Received a CSESSION from %s hb_version %d != %d current version !\n", fmtaddr(addr, 2), hb_ver, HB_VERSION);
-                                               // New feature not activated until the master has not been upgraded.
+                                               if ((hb_ver == 7) && (size == sizeof(struct oldsessionV7)))
+                                                       cluster_recv_session(more, convert_sessionV7((struct oldsessionV7 *) c));
+                                               else if (size == sizeof(struct oldsessionV8))
+                                                       cluster_recv_session(more, convert_sessionV8((struct oldsessionV8 *) c));
+                                               else
+                                                       LOG(0, 0, 0, "DANGER: Received a CSESSION version=%d that didn't decompress correctly!\n", hb_ver);
+                                               break;
                                        }
                                        else
                                        {
                                        }
                                        else
                                        {
@@ -1974,6 +2247,7 @@ int cmd_show_cluster(struct cli_def *cli, const char *command, char **argv, int
        cli_print(cli, "My address       : %s", fmtaddr(my_address, 0));
        cli_print(cli, "VIP address      : %s", fmtaddr(config->bind_address, 0));
        cli_print(cli, "Multicast address: %s", fmtaddr(config->cluster_address, 0));
        cli_print(cli, "My address       : %s", fmtaddr(my_address, 0));
        cli_print(cli, "VIP address      : %s", fmtaddr(config->bind_address, 0));
        cli_print(cli, "Multicast address: %s", fmtaddr(config->cluster_address, 0));
+       cli_print(cli, "UDP port         : %u", config->cluster_port);
        cli_print(cli, "Multicast i'face : %s", config->cluster_interface);
 
        if (!config->cluster_iam_master) {
        cli_print(cli, "Multicast i'face : %s", config->cluster_interface);
 
        if (!config->cluster_iam_master) {