… | |
… | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | GNU General Public License for more details. |
15 | GNU General Public License for more details. |
16 | |
16 | |
17 | You should have received a copy of the GNU General Public License |
17 | You should have received a copy of the GNU General Public License |
18 | along with gvpe; if not, write to the Free Software |
18 | along with gvpe; if not, write to the Free Software |
19 | Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
19 | Foundation, Inc. 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
20 | */ |
20 | */ |
21 | |
21 | |
22 | #include "config.h" |
22 | #include "config.h" |
23 | |
|
|
24 | #include <cassert> |
|
|
25 | |
23 | |
26 | #include <list> |
24 | #include <list> |
27 | |
25 | |
28 | #include <openssl/rand.h> |
26 | #include <openssl/rand.h> |
29 | #include <openssl/evp.h> |
27 | #include <openssl/evp.h> |
30 | #include <openssl/rsa.h> |
28 | #include <openssl/rsa.h> |
31 | #include <openssl/err.h> |
29 | #include <openssl/err.h> |
32 | |
|
|
33 | #include "gettext.h" |
|
|
34 | |
30 | |
35 | #include "conf.h" |
31 | #include "conf.h" |
36 | #include "slog.h" |
32 | #include "slog.h" |
37 | #include "device.h" |
33 | #include "device.h" |
38 | #include "vpn.h" |
34 | #include "vpn.h" |
… | |
… | |
97 | struct rsa_cache : list<rsa_entry> |
93 | struct rsa_cache : list<rsa_entry> |
98 | { |
94 | { |
99 | void cleaner_cb (time_watcher &w); time_watcher cleaner; |
95 | void cleaner_cb (time_watcher &w); time_watcher cleaner; |
100 | |
96 | |
101 | bool find (const rsaid &id, rsachallenge &chg) |
97 | bool find (const rsaid &id, rsachallenge &chg) |
102 | { |
98 | { |
103 | for (iterator i = begin (); i != end (); ++i) |
99 | for (iterator i = begin (); i != end (); ++i) |
104 | { |
100 | { |
105 | if (!memcmp (&id, &i->id, sizeof id) && i->expire > NOW) |
101 | if (!memcmp (&id, &i->id, sizeof id) && i->expire > NOW) |
106 | { |
102 | { |
107 | memcpy (&chg, &i->chg, sizeof chg); |
103 | memcpy (&chg, &i->chg, sizeof chg); |
108 | |
104 | |
109 | erase (i); |
105 | erase (i); |
110 | return true; |
106 | return true; |
111 | } |
107 | } |
112 | } |
108 | } |
113 | |
109 | |
114 | if (cleaner.at < NOW) |
110 | if (cleaner.at < NOW) |
115 | cleaner.start (NOW + RSA_TTL); |
111 | cleaner.start (NOW + RSA_TTL); |
116 | |
112 | |
117 | return false; |
113 | return false; |
118 | } |
114 | } |
119 | |
115 | |
120 | void gen (rsaid &id, rsachallenge &chg) |
116 | void gen (rsaid &id, rsachallenge &chg) |
121 | { |
117 | { |
122 | rsa_entry e; |
118 | rsa_entry e; |
123 | |
119 | |
124 | RAND_bytes ((unsigned char *)&id, sizeof id); |
120 | RAND_bytes ((unsigned char *)&id, sizeof id); |
125 | RAND_bytes ((unsigned char *)&chg, sizeof chg); |
121 | RAND_bytes ((unsigned char *)&chg, sizeof chg); |
126 | |
122 | |
127 | e.expire = NOW + RSA_TTL; |
123 | e.expire = NOW + RSA_TTL; |
128 | e.id = id; |
124 | e.id = id; |
129 | memcpy (&e.chg, &chg, sizeof chg); |
125 | memcpy (&e.chg, &chg, sizeof chg); |
130 | |
126 | |
131 | push_back (e); |
127 | push_back (e); |
132 | |
128 | |
133 | if (cleaner.at < NOW) |
129 | if (cleaner.at < NOW) |
134 | cleaner.start (NOW + RSA_TTL); |
130 | cleaner.start (NOW + RSA_TTL); |
135 | } |
131 | } |
136 | |
132 | |
137 | rsa_cache () |
133 | rsa_cache () |
138 | : cleaner (this, &rsa_cache::cleaner_cb) |
134 | : cleaner (this, &rsa_cache::cleaner_cb) |
139 | { } |
135 | { } |
140 | |
136 | |
141 | } rsa_cache; |
137 | } rsa_cache; |
142 | |
138 | |
143 | void rsa_cache::cleaner_cb (time_watcher &w) |
139 | void rsa_cache::cleaner_cb (time_watcher &w) |
144 | { |
140 | { |
… | |
… | |
478 | { |
474 | { |
479 | prot_major = PROTOCOL_MAJOR; |
475 | prot_major = PROTOCOL_MAJOR; |
480 | prot_minor = PROTOCOL_MINOR; |
476 | prot_minor = PROTOCOL_MINOR; |
481 | randsize = RAND_SIZE; |
477 | randsize = RAND_SIZE; |
482 | hmaclen = HMACLENGTH; |
478 | hmaclen = HMACLENGTH; |
483 | flags = ENABLE_COMPRESSION ? 0x81 : 0x80; |
479 | flags = 0; |
484 | challengelen = sizeof (rsachallenge); |
480 | challengelen = sizeof (rsachallenge); |
485 | features = get_features (); |
481 | features = get_features (); |
486 | |
482 | |
487 | cipher_nid = htonl (EVP_CIPHER_nid (CIPHER)); |
483 | cipher_nid = htonl (EVP_CIPHER_nid (CIPHER)); |
488 | digest_nid = htonl (EVP_MD_type (RSA_HASH)); |
484 | digest_nid = htonl (EVP_MD_type (RSA_HASH)); |
… | |
… | |
498 | slog (L_WARN, _("major version mismatch (remote %d <=> local %d)"), prot_major, PROTOCOL_MAJOR); |
494 | slog (L_WARN, _("major version mismatch (remote %d <=> local %d)"), prot_major, PROTOCOL_MAJOR); |
499 | else if (randsize != RAND_SIZE) |
495 | else if (randsize != RAND_SIZE) |
500 | slog (L_WARN, _("rand size mismatch (remote %d <=> local %d)"), randsize, RAND_SIZE); |
496 | slog (L_WARN, _("rand size mismatch (remote %d <=> local %d)"), randsize, RAND_SIZE); |
501 | else if (hmaclen != HMACLENGTH) |
497 | else if (hmaclen != HMACLENGTH) |
502 | slog (L_WARN, _("hmac length mismatch (remote %d <=> local %d)"), hmaclen, HMACLENGTH); |
498 | slog (L_WARN, _("hmac length mismatch (remote %d <=> local %d)"), hmaclen, HMACLENGTH); |
503 | #if 0 // this implementation should handle all flag settings |
|
|
504 | else if (flags != curflags ()) |
|
|
505 | slog (L_WARN, _("flag mismatch (remote %x <=> local %x)"), flags, curflags ()); |
|
|
506 | #endif |
|
|
507 | else if (challengelen != sizeof (rsachallenge)) |
499 | else if (challengelen != sizeof (rsachallenge)) |
508 | slog (L_WARN, _("challenge length mismatch (remote %d <=> local %d)"), challengelen, sizeof (rsachallenge)); |
500 | slog (L_WARN, _("challenge length mismatch (remote %d <=> local %d)"), challengelen, sizeof (rsachallenge)); |
509 | else if (cipher_nid != htonl (EVP_CIPHER_nid (CIPHER))) |
501 | else if (cipher_nid != htonl (EVP_CIPHER_nid (CIPHER))) |
510 | slog (L_WARN, _("cipher mismatch (remote %x <=> local %x)"), ntohl (cipher_nid), EVP_CIPHER_nid (CIPHER)); |
502 | slog (L_WARN, _("cipher mismatch (remote %x <=> local %x)"), ntohl (cipher_nid), EVP_CIPHER_nid (CIPHER)); |
511 | else if (digest_nid != htonl (EVP_MD_type (RSA_HASH))) |
503 | else if (digest_nid != htonl (EVP_MD_type (RSA_HASH))) |
… | |
… | |
644 | { |
636 | { |
645 | connection *r = vpn->find_router (); |
637 | connection *r = vpn->find_router (); |
646 | |
638 | |
647 | if (r) |
639 | if (r) |
648 | { |
640 | { |
649 | slog (L_DEBUG, _("%s: no common protocol, trying indirectly through %s"), |
641 | slog (L_DEBUG, _("%s: no common protocol, trying indirectly through %s (%s)"), |
650 | conf->nodename, r->conf->nodename); |
642 | conf->nodename, r->conf->nodename, (const char *)r->si); |
651 | return r->si; |
643 | return r->si; |
652 | } |
644 | } |
653 | else |
645 | else |
654 | slog (L_DEBUG, _("%s: node unreachable, no common protocol"), |
646 | slog (L_DEBUG, _("%s: node unreachable, no common protocol"), |
655 | conf->nodename); |
647 | conf->nodename); |
… | |
… | |
659 | } |
651 | } |
660 | |
652 | |
661 | void |
653 | void |
662 | connection::send_vpn_packet (vpn_packet *pkt, const sockinfo &si, int tos) |
654 | connection::send_vpn_packet (vpn_packet *pkt, const sockinfo &si, int tos) |
663 | { |
655 | { |
664 | bool ok; |
656 | if (!vpn->send_vpn_packet (pkt, si, tos)) |
665 | |
|
|
666 | switch (si.prot) |
|
|
667 | { |
|
|
668 | case PROT_IPv4: |
|
|
669 | ok = vpn->send_ipv4_packet (pkt, si, tos); break; |
|
|
670 | case PROT_UDPv4: |
|
|
671 | ok = vpn->send_udpv4_packet (pkt, si, tos); break; |
|
|
672 | #if ENABLE_TCP |
|
|
673 | case PROT_TCPv4: |
|
|
674 | ok = vpn->send_tcpv4_packet (pkt, si, tos); break; |
|
|
675 | #endif |
|
|
676 | #if ENABLE_ICMP |
|
|
677 | case PROT_ICMPv4: |
|
|
678 | ok = vpn->send_icmpv4_packet (pkt, si, tos); break; |
|
|
679 | #endif |
|
|
680 | #if ENABLE_DNS |
|
|
681 | case PROT_DNSv4: |
|
|
682 | ok = send_dnsv4_packet (pkt, si, tos); break; |
|
|
683 | #endif |
|
|
684 | |
|
|
685 | default: |
|
|
686 | slog (L_CRIT, _("%s: FATAL: trying to send packet with unsupported protocol"), (const char *)si); |
|
|
687 | ok = false; |
|
|
688 | } |
|
|
689 | |
|
|
690 | if (!ok) |
|
|
691 | reset_connection (); |
657 | reset_connection (); |
692 | } |
658 | } |
693 | |
659 | |
694 | void |
660 | void |
695 | connection::send_ping (const sockinfo &si, u8 pong) |
661 | connection::send_ping (const sockinfo &si, u8 pong) |
… | |
… | |
771 | && conf != THISNODE |
737 | && conf != THISNODE |
772 | && connectmode != conf_node::C_NEVER |
738 | && connectmode != conf_node::C_NEVER |
773 | && connectmode != conf_node::C_DISABLED |
739 | && connectmode != conf_node::C_DISABLED |
774 | && NOW > w.at) |
740 | && NOW > w.at) |
775 | { |
741 | { |
776 | double retry_int = double (retry_cnt & 3 ? (retry_cnt & 3) : 1 << (retry_cnt >> 2)) * 0.6; |
742 | w.at = TSTAMP_MAX; // first disable this watcher in case of recursion |
777 | |
743 | |
778 | if (retry_int < conf->max_retry) |
744 | double retry_int = double (retry_cnt & 3 |
779 | retry_cnt++; |
745 | ? (retry_cnt & 3) + 1 |
780 | else |
746 | : 1 << (retry_cnt >> 2)); |
781 | retry_int = conf->max_retry; |
|
|
782 | |
|
|
783 | w.start (NOW + retry_int); |
|
|
784 | |
747 | |
785 | reset_si (); |
748 | reset_si (); |
|
|
749 | |
|
|
750 | bool slow = si.prot & PROT_SLOW; |
786 | |
751 | |
787 | if (si.prot && !si.host) |
752 | if (si.prot && !si.host) |
788 | vpn->send_connect_request (conf->id); |
753 | vpn->send_connect_request (conf->id); |
789 | else |
754 | else |
790 | { |
755 | { |
791 | const sockinfo &dsi = forward_si (si); |
756 | const sockinfo &dsi = forward_si (si); |
|
|
757 | |
|
|
758 | slow = slow || (dsi.prot & PROT_SLOW); |
792 | |
759 | |
793 | if (dsi.valid () && auth_rate_limiter.can (dsi)) |
760 | if (dsi.valid () && auth_rate_limiter.can (dsi)) |
794 | { |
761 | { |
795 | if (retry_cnt < 4) |
762 | if (retry_cnt < 4) |
796 | send_auth_request (dsi, true); |
763 | send_auth_request (dsi, true); |
797 | else |
764 | else |
798 | send_ping (dsi, 0); |
765 | send_ping (dsi, 0); |
799 | } |
766 | } |
800 | } |
767 | } |
|
|
768 | |
|
|
769 | retry_int *= slow ? 8. : 0.7; |
|
|
770 | |
|
|
771 | if (retry_int < conf->max_retry) |
|
|
772 | retry_cnt++; |
|
|
773 | else |
|
|
774 | retry_int = conf->max_retry; |
|
|
775 | |
|
|
776 | w.start (NOW + retry_int); |
801 | } |
777 | } |
802 | } |
778 | } |
803 | |
779 | |
804 | void |
780 | void |
805 | connection::reset_connection () |
781 | connection::reset_connection () |
… | |
… | |
808 | { |
784 | { |
809 | slog (L_INFO, _("%s(%s): connection lost"), |
785 | slog (L_INFO, _("%s(%s): connection lost"), |
810 | conf->nodename, (const char *)si); |
786 | conf->nodename, (const char *)si); |
811 | |
787 | |
812 | if (::conf.script_node_down) |
788 | if (::conf.script_node_down) |
813 | run_script (run_script_cb (this, &connection::script_node_down), false); |
789 | if (!run_script (run_script_cb (this, &connection::script_node_down), false)) |
|
|
790 | slog (L_WARN, _("node-down command execution failed, continuing.")); |
814 | } |
791 | } |
815 | |
792 | |
816 | delete ictx; ictx = 0; |
793 | delete ictx; ictx = 0; |
817 | delete octx; octx = 0; |
794 | delete octx; octx = 0; |
|
|
795 | #if ENABLE_DNS |
|
|
796 | dnsv4_reset_connection (); |
|
|
797 | #endif |
818 | |
798 | |
819 | si.host = 0; |
799 | si.host = 0; |
820 | |
800 | |
821 | last_activity = 0; |
801 | last_activity = 0; |
822 | retry_cnt = 0; |
802 | retry_cnt = 0; |
… | |
… | |
866 | { |
846 | { |
867 | if (ictx && octx) |
847 | if (ictx && octx) |
868 | send_data_packet (pkt); |
848 | send_data_packet (pkt); |
869 | else |
849 | else |
870 | { |
850 | { |
871 | if (!broadcast)//DDDD |
851 | if (!broadcast) |
872 | data_queue.put (new tap_packet (*pkt)); |
852 | data_queue.put (new tap_packet (*pkt)); |
873 | |
853 | |
874 | establish_connection (); |
854 | establish_connection (); |
875 | } |
855 | } |
876 | } |
856 | } |
… | |
… | |
961 | delete octx; |
941 | delete octx; |
962 | |
942 | |
963 | octx = new crypto_ctx (k, 1); |
943 | octx = new crypto_ctx (k, 1); |
964 | oseqno = ntohl (*(u32 *)&k[CHG_SEQNO]) & 0x7fffffff; |
944 | oseqno = ntohl (*(u32 *)&k[CHG_SEQNO]) & 0x7fffffff; |
965 | |
945 | |
966 | // compatibility code, remove when no longer required |
|
|
967 | if (p->flags & 1) p->features |= FEATURE_COMPRESSION; |
|
|
968 | |
|
|
969 | conf->protocols = p->protocols; |
946 | conf->protocols = p->protocols; |
970 | features = p->features & config_packet::get_features (); |
947 | features = p->features & config_packet::get_features (); |
971 | |
948 | |
972 | send_auth_response (rsi, p->id, k); |
949 | send_auth_response (rsi, p->id, k); |
973 | |
950 | |
… | |
… | |
1039 | slog (L_INFO, _("%s(%s): connection established, protocol version %d.%d"), |
1016 | slog (L_INFO, _("%s(%s): connection established, protocol version %d.%d"), |
1040 | conf->nodename, (const char *)rsi, |
1017 | conf->nodename, (const char *)rsi, |
1041 | p->prot_major, p->prot_minor); |
1018 | p->prot_major, p->prot_minor); |
1042 | |
1019 | |
1043 | if (::conf.script_node_up) |
1020 | if (::conf.script_node_up) |
1044 | run_script (run_script_cb (this, &connection::script_node_up), false); |
1021 | if (!run_script (run_script_cb (this, &connection::script_node_up), false)) |
|
|
1022 | slog (L_WARN, _("node-up command execution failed, continuing.")); |
1045 | |
1023 | |
1046 | break; |
1024 | break; |
1047 | } |
1025 | } |
1048 | else |
1026 | else |
1049 | slog (L_ERR, _("%s(%s): sent and received challenge do not match"), |
1027 | slog (L_ERR, _("%s(%s): sent and received challenge do not match"), |
… | |
… | |
1083 | { |
1061 | { |
1084 | vpn->tap->send (d); |
1062 | vpn->tap->send (d); |
1085 | |
1063 | |
1086 | if (si != rsi) |
1064 | if (si != rsi) |
1087 | { |
1065 | { |
1088 | // fast re-sync on connection changes, useful especially for tcp/ip |
1066 | // fast re-sync on source address changes, useful especially for tcp/ip |
1089 | si = rsi; |
1067 | si = rsi; |
1090 | |
1068 | |
1091 | slog (L_INFO, _("%s(%s): socket address changed to %s"), |
1069 | slog (L_INFO, _("%s(%s): socket address changed to %s"), |
1092 | conf->nodename, (const char *)si, (const char *)rsi); |
1070 | conf->nodename, (const char *)si, (const char *)rsi); |
1093 | } |
1071 | } |
… | |
… | |
1104 | case vpn_packet::PT_CONNECT_REQ: |
1082 | case vpn_packet::PT_CONNECT_REQ: |
1105 | if (ictx && octx && rsi == si && pkt->hmac_chk (ictx)) |
1083 | if (ictx && octx && rsi == si && pkt->hmac_chk (ictx)) |
1106 | { |
1084 | { |
1107 | connect_req_packet *p = (connect_req_packet *) pkt; |
1085 | connect_req_packet *p = (connect_req_packet *) pkt; |
1108 | |
1086 | |
1109 | assert (p->id > 0 && p->id <= vpn->conns.size ()); // hmac-auth does not mean we accept anything |
1087 | if (p->id > 0 && p->id <= vpn->conns.size ()) |
1110 | connection *c = vpn->conns[p->id - 1]; |
|
|
1111 | conf->protocols = p->protocols; |
|
|
1112 | |
|
|
1113 | slog (L_TRACE, "<<%d PT_CONNECT_REQ(%d) [%d]\n", |
|
|
1114 | conf->id, p->id, c->ictx && c->octx); |
|
|
1115 | |
|
|
1116 | if (c->ictx && c->octx) |
|
|
1117 | { |
1088 | { |
|
|
1089 | connection *c = vpn->conns[p->id - 1]; |
|
|
1090 | conf->protocols = p->protocols; |
|
|
1091 | |
|
|
1092 | slog (L_TRACE, "<<%d PT_CONNECT_REQ(%d) [%d]\n", |
|
|
1093 | conf->id, p->id, c->ictx && c->octx); |
|
|
1094 | |
|
|
1095 | if (c->ictx && c->octx) |
|
|
1096 | { |
1118 | // send connect_info packets to both sides, in case one is |
1097 | // send connect_info packets to both sides, in case one is |
1119 | // behind a nat firewall (or both ;) |
1098 | // behind a nat firewall (or both ;) |
1120 | c->send_connect_info (conf->id, si, conf->protocols); |
1099 | c->send_connect_info (conf->id, si, conf->protocols); |
1121 | send_connect_info (c->conf->id, c->si, c->conf->protocols); |
1100 | send_connect_info (c->conf->id, c->si, c->conf->protocols); |
|
|
1101 | } |
|
|
1102 | else |
|
|
1103 | c->establish_connection (); |
1122 | } |
1104 | } |
1123 | else |
1105 | else |
1124 | c->establish_connection (); |
1106 | slog (L_WARN, |
|
|
1107 | _("received authenticated connection request from unknown node #%d, config file mismatch?"), |
|
|
1108 | p->id); |
1125 | } |
1109 | } |
1126 | |
1110 | |
1127 | break; |
1111 | break; |
1128 | |
1112 | |
1129 | case vpn_packet::PT_CONNECT_INFO: |
1113 | case vpn_packet::PT_CONNECT_INFO: |
1130 | if (ictx && octx && rsi == si && pkt->hmac_chk (ictx)) |
1114 | if (ictx && octx && rsi == si && pkt->hmac_chk (ictx)) |
1131 | { |
1115 | { |
1132 | connect_info_packet *p = (connect_info_packet *)pkt; |
1116 | connect_info_packet *p = (connect_info_packet *)pkt; |
1133 | |
1117 | |
1134 | if (p->id > 0 && p->id <= vpn->conns.size ()) // hmac-auth does not mean we accept anything |
1118 | if (p->id > 0 && p->id <= vpn->conns.size ()) |
1135 | { |
1119 | { |
1136 | connection *c = vpn->conns[p->id - 1]; |
1120 | connection *c = vpn->conns[p->id - 1]; |
1137 | |
1121 | |
1138 | c->conf->protocols = p->protocols; |
1122 | c->conf->protocols = p->protocols; |
1139 | protocol = best_protocol (c->conf->protocols & THISNODE->protocols & p->si.supported_protocols (c->conf)); |
1123 | protocol = best_protocol (c->conf->protocols & THISNODE->protocols & p->si.supported_protocols (c->conf)); |
… | |
… | |
1145 | const sockinfo &dsi = forward_si (p->si); |
1129 | const sockinfo &dsi = forward_si (p->si); |
1146 | |
1130 | |
1147 | if (dsi.valid ()) |
1131 | if (dsi.valid ()) |
1148 | c->send_auth_request (dsi, true); |
1132 | c->send_auth_request (dsi, true); |
1149 | } |
1133 | } |
|
|
1134 | else |
|
|
1135 | slog (L_WARN, |
|
|
1136 | _("received authenticated connection request from unknown node #%d, config file mismatch?"), |
|
|
1137 | p->id); |
1150 | } |
1138 | } |
1151 | |
1139 | |
1152 | break; |
1140 | break; |
1153 | |
1141 | |
1154 | default: |
1142 | default: |
… | |
… | |
1189 | send_vpn_packet (p, si); |
1177 | send_vpn_packet (p, si); |
1190 | |
1178 | |
1191 | delete p; |
1179 | delete p; |
1192 | } |
1180 | } |
1193 | |
1181 | |
|
|
1182 | void connection::script_init_env (const char *ext) |
|
|
1183 | { |
|
|
1184 | char *env; |
|
|
1185 | asprintf (&env, "IFUPDATA%s=%s", ext, conf->if_up_data); putenv (env); |
|
|
1186 | asprintf (&env, "NODENAME%s=%s", ext, conf->nodename); putenv (env); |
|
|
1187 | asprintf (&env, "MAC%s=%02x:%02x:%02x:%02x:%02x:%02x", ext, |
|
|
1188 | 0xfe, 0xfd, 0x80, 0x00, conf->id >> 8, |
|
|
1189 | conf->id & 0xff); putenv (env); |
|
|
1190 | } |
|
|
1191 | |
1194 | void connection::script_node () |
1192 | void connection::script_init_connect_env () |
1195 | { |
1193 | { |
1196 | vpn->script_if_up (); |
1194 | vpn->script_init_env (); |
1197 | |
1195 | |
1198 | char *env; |
1196 | char *env; |
1199 | asprintf (&env, "DESTID=%d", conf->id); putenv (env); |
1197 | asprintf (&env, "DESTID=%d", conf->id); putenv (env); |
1200 | asprintf (&env, "DESTNODE=%s", conf->nodename); putenv (env); |
1198 | asprintf (&env, "DESTNODE=%s", conf->nodename); putenv (env); |
1201 | asprintf (&env, "DESTIP=%s", si.ntoa ()); putenv (env); |
1199 | asprintf (&env, "DESTIP=%s", si.ntoa ()); putenv (env); |
1202 | asprintf (&env, "DESTPORT=%d", ntohs (si.port)); putenv (env); |
1200 | asprintf (&env, "DESTPORT=%d", ntohs (si.port)); putenv (env); |
1203 | } |
1201 | } |
1204 | |
1202 | |
1205 | const char *connection::script_node_up () |
1203 | const char *connection::script_node_up () |
1206 | { |
1204 | { |
1207 | script_node (); |
1205 | script_init_connect_env (); |
1208 | |
1206 | |
1209 | putenv ("STATE=up"); |
1207 | putenv ("STATE=up"); |
1210 | |
1208 | |
|
|
1209 | char *filename; |
|
|
1210 | asprintf (&filename, |
|
|
1211 | "%s/%s", |
|
|
1212 | confbase, |
1211 | return ::conf.script_node_up ? ::conf.script_node_up : "node-up"; |
1213 | ::conf.script_node_up ? ::conf.script_node_up : "node-up"); |
|
|
1214 | |
|
|
1215 | return filename; |
1212 | } |
1216 | } |
1213 | |
1217 | |
1214 | const char *connection::script_node_down () |
1218 | const char *connection::script_node_down () |
1215 | { |
1219 | { |
1216 | script_node (); |
1220 | script_init_connect_env (); |
1217 | |
1221 | |
1218 | putenv ("STATE=down"); |
1222 | putenv ("STATE=down"); |
1219 | |
1223 | |
1220 | return ::conf.script_node_up ? ::conf.script_node_down : "node-down"; |
1224 | char *filename; |
|
|
1225 | asprintf (&filename, |
|
|
1226 | "%s/%s", |
|
|
1227 | confbase, |
|
|
1228 | ::conf.script_node_down ? ::conf.script_node_down : "node-down"); |
|
|
1229 | |
|
|
1230 | return filename; |
1221 | } |
1231 | } |
1222 | |
1232 | |
1223 | connection::connection (struct vpn *vpn, conf_node *conf) |
1233 | connection::connection (struct vpn *vpn, conf_node *conf) |
1224 | : vpn(vpn), conf(conf) |
1234 | : vpn(vpn), conf(conf) |
1225 | , rekey (this, &connection::rekey_cb) |
1235 | , rekey (this, &connection::rekey_cb) |
1226 | , keepalive (this, &connection::keepalive_cb) |
1236 | , keepalive (this, &connection::keepalive_cb) |
1227 | , establish_connection (this, &connection::establish_connection_cb) |
1237 | , establish_connection (this, &connection::establish_connection_cb) |
1228 | #if ENABLE_DNS |
1238 | #if ENABLE_DNS |
1229 | , dnsv4_tw (this, &connection::dnsv4_cb) |
1239 | , dns (0) |
1230 | , dns_rcvdq (0), dns_snddq (0) |
|
|
1231 | , dns_rcvseq (0), dns_sndseq (0) |
|
|
1232 | #endif |
1240 | #endif |
1233 | { |
1241 | { |
1234 | octx = ictx = 0; |
1242 | octx = ictx = 0; |
1235 | retry_cnt = 0; |
1243 | retry_cnt = 0; |
1236 | |
1244 | |