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35#define FOR_dhcp6
36#include "toys.h"
37#include <linux/sockios.h>
38#include <linux/if_ether.h>
39#include <netinet/ip.h>
40#include <netinet/ip6.h>
41#include <netinet/udp.h>
42#include <linux/if_packet.h>
43#include <syslog.h>
44
45GLOBALS(
46 char *interface_name, *pidfile, *script;
47 long retry, timeout, errortimeout;
48 char *req_ip;
49 int length, state, request_length, sock, sock1, status, retval, retries;
50 struct timeval tv;
51 uint8_t transction_id[3];
52 struct sockaddr_in6 input_socket6;
53)
54
55#define DHCP6SOLICIT 1
56#define DHCP6ADVERTISE 2
57#define DHCP6REQUEST 3
58#define DHCP6CONFIRM 4
59#define DHCP6RENEW 5
60#define DHCP6REBIND 6
61#define DHCP6REPLY 7
62#define DHCP6RELEASE 8
63#define DHCP6DECLINE 9
64#define DHCP6RECONFIGURE 10
65#define DHCP6INFOREQUEST 11
66#define DHCP6RELAYFLOW 12
67#define DHCP6RELAYREPLY 13
68
69
70#define DHCP6_OPT_CLIENTID 1
71#define DHCP6_OPT_SERVERID 2
72#define DHCP6_OPT_IA_NA 3
73#define DHCP6_OPT_IA_ADDR 5
74#define DHCP6_OPT_ORO 6
75#define DHCP6_OPT_PREFERENCE 7
76#define DHCP6_OPT_ELAPSED_TIME 8
77#define DHCP6_OPT_RELAY_MSG 9
78#define DHCP6_OPT_STATUS_CODE 13
79#define DHCP6_OPT_IA_PD 25
80#define DHCP6_OPT_IA_PREFIX 26
81
82#define DHCP6_STATUS_SUCCESS 0
83#define DHCP6_STATUS_NOADDRSAVAIL 2
84
85#define DHCP6_DUID_LLT 1
86#define DHCP6_DUID_EN 2
87#define DHCP6_DUID_LL 3
88#define DHCP6_DUID_UUID 4
89
90#define DHCPC_SERVER_PORT 547
91#define DHCPC_CLIENT_PORT 546
92
93#define LOG_SILENT 0x0
94#define LOG_CONSOLE 0x1
95#define LOG_SYSTEM 0x2
96
97typedef struct __attribute__((packed)) dhcp6_msg_s {
98 uint8_t msgtype, transaction_id[3], options[524];
99} dhcp6_msg_t;
100
101typedef struct __attribute__((packed)) optval_duid_llt {
102 uint16_t type;
103 uint16_t hwtype;
104 uint32_t time;
105 uint8_t lladdr[6];
106} DUID;
107
108typedef struct __attribute__((packed)) optval_ia_na {
109 uint32_t iaid, t1, t2;
110} IA_NA;
111
112typedef struct __attribute__((packed)) dhcp6_raw_s {
113 struct ip6_hdr iph;
114 struct udphdr udph;
115 dhcp6_msg_t dhcp6;
116} dhcp6_raw_t;
117
118typedef struct __attribute__((packed)) dhcp_data_client {
119 uint16_t status_code;
120 uint32_t iaid , t1,t2, pf_lf, va_lf;
121 uint8_t ipaddr[17] ;
122} DHCP_DATA;
123
124static DHCP_DATA dhcp_data;
125static dhcp6_raw_t *mymsg;
126static dhcp6_msg_t mesg;
127static DUID *duid;
128
129static void (*dbg)(char *format, ...);
130static void dummy(char *format, ...)
131{
132 return;
133}
134
135static void logit(char *format, ...)
136{
137 int used;
138 char *msg;
139 va_list p, t;
140 uint8_t infomode = LOG_SILENT;
141
142 if (toys.optflags & FLAG_S) infomode |= LOG_SYSTEM;
143 if(toys.optflags & FLAG_v) infomode |= LOG_CONSOLE;
144 va_start(p, format);
145 va_copy(t, p);
146 used = vsnprintf(NULL, 0, format, t);
147 used++;
148 va_end(t);
149
150 msg = xmalloc(used);
151 vsnprintf(msg, used, format, p);
152 va_end(p);
153
154 if (infomode & LOG_SYSTEM) syslog(LOG_INFO, "%s", msg);
155 if (infomode & LOG_CONSOLE) printf("%s", msg);
156 free(msg);
157 return;
158}
159
160static void get_mac(uint8_t *mac, char *interface)
161{
162 int fd;
163 struct ifreq req;
164
165 if (!mac) return;
166 fd = xsocket(AF_INET6, SOCK_RAW, IPPROTO_RAW);
167 req.ifr_addr.sa_family = AF_INET6;
168 xstrncpy(req.ifr_name, interface, IFNAMSIZ);
169 xioctl(fd, SIOCGIFHWADDR, &req);
170 memcpy(mac, req.ifr_hwaddr.sa_data, 6);
171 xclose(fd);
172}
173
174static void fill_option(uint16_t option_id, uint16_t option_len, uint8_t **dhmesg)
175{
176 uint8_t *tmp = *dhmesg;
177
178 *((uint16_t*)tmp) = htons(option_id);
179 *(uint16_t*)(tmp+2) = htons(option_len);
180 *dhmesg += 4;
181 TT.length += 4;
182}
183
184static void fill_clientID()
185{
186 uint8_t *tmp = &mesg.options[TT.length];
187
188 if(!duid) {
189 uint8_t mac[7] = {0,};
190 duid = (DUID*)malloc(sizeof(DUID));
191 duid->type = htons(1);
192 duid->hwtype = htons(1);
193 duid->time = htonl((uint32_t)(time(NULL) - 946684800) & 0xffffffff);
194 fill_option(DHCP6_OPT_CLIENTID,14,&tmp);
195 get_mac(mac, TT.interface_name);
196 memcpy(duid->lladdr,mac, 6);
197 memcpy(tmp,(uint8_t*)duid,sizeof(DUID));
198 }
199 else {
200 fill_option(DHCP6_OPT_CLIENTID,14,&tmp);
201 memcpy(tmp,(uint8_t*)duid,sizeof(DUID));
202 }
203 TT.length += sizeof(DUID);
204}
205
206
207static void fill_optionRequest()
208{
209 uint8_t *tmp = &mesg.options[TT.length];
210
211 fill_option(DHCP6_OPT_ORO,4,&tmp);
212 *(uint16_t*)(tmp+4) = htons(23);
213 *(uint16_t*)(tmp+6) = htons(24);
214 TT.length += 4;
215}
216
217static void fill_elapsedTime()
218{
219 uint8_t *tmp = &mesg.options[TT.length];
220
221 fill_option(DHCP6_OPT_ELAPSED_TIME, 2, &tmp);
222 *(uint16_t*)(tmp+6) = htons(0);
223 TT.length += 2;
224}
225
226static void fill_iaid()
227{
228 IA_NA iana;
229 uint8_t *tmp = &mesg.options[TT.length];
230
231 fill_option(DHCP6_OPT_IA_NA, 12, &tmp);
232 iana.iaid = rand();
233 iana.t1 = 0xffffffff;
234 iana.t2 = 0xffffffff;
235 memcpy(tmp, (uint8_t*)&iana, sizeof(IA_NA));
236 TT.length += sizeof(IA_NA);
237}
238
239
240static void mode_raw()
241{
242 int constone = 1;
243 struct sockaddr_ll sockll;
244
245 if (TT.sock > 0) xclose(TT.sock);
246 TT.sock = xsocket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_IPV6));
247
248 memset(&sockll, 0, sizeof(sockll));
249 sockll.sll_family = AF_PACKET;
250 sockll.sll_protocol = htons(ETH_P_IPV6);
251 sockll.sll_ifindex = if_nametoindex(TT.interface_name);
252 if (bind(TT.sock, (struct sockaddr *) &sockll, sizeof(sockll))) {
253 xclose(TT.sock);
254 error_exit("MODE RAW : Bind fail.\n");
255 }
256 if (setsockopt(TT.sock, SOL_PACKET, PACKET_HOST,&constone, sizeof(int)) < 0) {
257 if (errno != ENOPROTOOPT) error_exit("MODE RAW : Bind fail.\n");
258 }
259}
260
261static void generate_transection_id()
262{
263 int i, r = rand() % 0xffffff;
264
265 for (i=0; i<3; i++) {
266 TT.transction_id[i] = r%0xff;
267 r = r/10;
268 }
269}
270
271static void set_timeout(int seconds)
272{
273 TT.tv.tv_sec = seconds;
274 TT.tv.tv_usec = 100000;
275}
276
277static void send_msg(int type)
278{
279 struct sockaddr_in6 addr6;
280 int sendlength = 0;
281
282 memset(&addr6, 0, sizeof(addr6));
283 addr6.sin6_family = AF_INET6;
284 addr6.sin6_port = htons(DHCPC_SERVER_PORT);
285 inet_pton(AF_INET6, "ff02::1:2", &addr6.sin6_addr);
286 mesg.msgtype = type;
287 generate_transection_id();
288 memcpy(mesg.transaction_id, TT.transction_id, 3);
289
290 if (type == DHCP6SOLICIT) {
291 TT.length = 0;
292 fill_clientID();
293 fill_optionRequest();
294 fill_elapsedTime();
295 fill_iaid();
296 sendlength = sizeof(dhcp6_msg_t) - 524 + TT.length;
297 } else if (type == DHCP6REQUEST || type == DHCP6RELEASE || type == DHCP6RENEW)
298 sendlength = TT.request_length;
299 dbg("Sending message type: %d\n", type);
300 sendlength = sendto(TT.sock1, &mesg, sendlength , 0,(struct sockaddr *)&addr6,
301 sizeof(struct sockaddr_in6 ));
302 if (sendlength <= 0) dbg("Error in sending message type: %d\n", type);
303}
304
305uint8_t *get_msg_ptr(uint8_t *data, int data_length, int msgtype)
306{
307 uint16_t type = *((uint16_t*)data), length = *((uint16_t*)(data+2));
308
309 type = ntohs(type);
310 if (type == msgtype) return data;
311 length = ntohs(length);
312 while (type != msgtype) {
313 data_length -= (4 + length);
314 if (data_length <= 0) break;
315 data = data + 4 + length;
316 type = ntohs(*((uint16_t*)data));
317 length = ntohs(*((uint16_t*)(data+2)));
318 if (type == msgtype) return data;
319 }
320 return NULL;
321}
322
323static uint8_t *check_server_id(uint8_t *data, int data_length)
324{
325 return get_msg_ptr(data, data_length, DHCP6_OPT_SERVERID);
326}
327
328static int check_client_id(uint8_t *data, int data_length)
329{
330 if ((data = get_msg_ptr(data, data_length, DHCP6_OPT_CLIENTID))) {
331 DUID one = *((DUID*)(data+4));
332 DUID two = *((DUID*)&mesg.options[4]);
333
334 if (!memcmp(&one, &two, sizeof(DUID))) return 1;
335 }
336 return 0;
337}
338
339static int validate_ids()
340{
341 if (!check_server_id(mymsg->dhcp6.options,
342 TT.status - ((char*)&mymsg->dhcp6.options[0] - (char*)mymsg) )) {
343 dbg("Invalid server id: %d\n");
344 return 0;
345 }
346 if (!check_client_id(mymsg->dhcp6.options,
347 TT.status - ((char*)&mymsg->dhcp6.options[0] - (char*)mymsg) )) {
348 dbg("Invalid client id: %d\n");
349 return 0;
350 }
351 return 1;
352}
353
354static void parse_ia_na(uint8_t *data, int data_length)
355{
356 uint8_t *t = get_msg_ptr(data, data_length, DHCP6_OPT_IA_NA);
357 uint16_t iana_len, content_len = 0;
358
359 memset(&dhcp_data,0,sizeof(dhcp_data));
360 if (!t) return;
361
362 iana_len = ntohs(*((uint16_t*)(t+2)));
363 dhcp_data.iaid = ntohl(*((uint32_t*)(t+4)));
364 dhcp_data.t1 = ntohl(*((uint32_t*)(t+8)));
365 dhcp_data.t2 = ntohl(*((uint32_t*)(t+12)));
366 t += 16;
367 iana_len -= 12;
368
369 while(iana_len > 0) {
370 uint16_t sub_type = ntohs(*((uint16_t*)(t)));
371
372 switch (sub_type) {
373 case DHCP6_OPT_IA_ADDR:
374 content_len = ntohs(*((uint16_t*)(t+2)));
375 memcpy(dhcp_data.ipaddr,t+4,16);
376 if (TT.state == DHCP6SOLICIT) {
377 if (TT.req_ip) {
378 struct addrinfo *res = NULL;
379
380 if(!getaddrinfo(TT.req_ip, NULL, NULL,&res)) {
381 dbg("Requesting IP: %s\n", TT.req_ip);
382 memcpy (&TT.input_socket6, res->ai_addr, res->ai_addrlen);
383 memcpy(t+4, TT.input_socket6.sin6_addr.__in6_u.__u6_addr8, 16);
384 } else xprintf("Invalid IP: %s\n",TT.req_ip);
385 freeaddrinfo(res);
386 }
387 }
388 dhcp_data.pf_lf = ntohl(*((uint32_t*)(t+20)));
389 dhcp_data.va_lf = ntohl(*((uint32_t*)(t+24)));
390 iana_len -= (content_len + 4);
391 t += (content_len + 4);
392 break;
393 case DHCP6_OPT_STATUS_CODE:
394 content_len = ntohs(*((uint16_t*)(t+2)));
395 dhcp_data.status_code = ntohs(*((uint16_t*)(t+4)));
396 iana_len -= (content_len + 4);
397 t += (content_len + 4);
398 break;
399 default:
400 content_len = ntohs(*((uint16_t*)(t+2)));
401 iana_len -= (content_len + 4);
402 t += (content_len + 4);
403 break;
404 }
405 }
406}
407
408static void write_pid(char *path)
409{
410 int pidfile = open(path, O_CREAT | O_WRONLY | O_TRUNC, 0666);
411
412 if (pidfile > 0) {
413 char pidbuf[12];
414
415 sprintf(pidbuf, "%u", (unsigned)getpid());
416 write(pidfile, pidbuf, strlen(pidbuf));
417 close(pidfile);
418 }
419}
420
421
422static int fill_envp(DHCP_DATA *res)
423{
424 int ret = setenv("interface", TT.interface_name, 1);
425
426 if (ret) return ret;
427 inet_ntop(AF_INET6, res->ipaddr, toybuf, INET6_ADDRSTRLEN);
428 ret = setenv("ip",(const char*)toybuf , 1);
429 return ret;
430}
431
432
433static void run_script(DHCP_DATA *res, char *name)
434{
435 volatile int error = 0;
436 struct stat sts;
437 pid_t pid;
438 char *argv[3];
439 char *script = (toys.optflags & FLAG_s) ? TT.script
440 : "/usr/share/dhcp/default.script";
441
442 if (stat(script, &sts) == -1 && errno == ENOENT) return;
443 if (!res || fill_envp(res)) {
444 dbg("Failed to create environment variables.\n");
445 return;
446 }
447 dbg("Executing %s %s\n", script, name);
448 argv[0] = (char*)script;
449 argv[1] = (char*)name;
450 argv[2] = NULL;
451 fflush(NULL);
452
453 pid = vfork();
454 if (pid < 0) {
455 dbg("Fork failed.\n");
456 return;
457 }
458 if (!pid) {
459 execvp(argv[0], argv);
460 error = errno;
461 _exit(111);
462 }
463 if (error) {
464 waitpid(pid, NULL, 0);
465 errno = error;
466 perror_msg("script exec failed");
467 }
468 dbg("script complete.\n");
469}
470
471static void lease_fail()
472{
473 dbg("Lease failed.\n");
474 run_script(NULL, "leasefail");
475 if (toys.optflags & FLAG_n) {
476 xclose(TT.sock);
477 xclose(TT.sock1);
478 error_exit("Lease Failed, Exiting.");
479 }
480 if (toys.optflags & FLAG_b) {
481 dbg("Lease failed. Going to daemon mode.\n");
482 if (daemon(0,0)) perror_exit("daemonize");
483 if (toys.optflags & FLAG_p) write_pid(TT.pidfile);
484 toys.optflags &= ~FLAG_b;
485 toys.optflags |= FLAG_f;
486 }
487}
488
489
490static void signal_handler(int sig)
491{
492 dbg("Caught signal: %d\n", sig);
493 switch (sig) {
494 case SIGUSR1:
495 dbg("SIGUSR1.\n");
496 if (TT.state == DHCP6RELEASE || TT.state == DHCP6REQUEST ) {
497 TT.state = DHCP6SOLICIT;
498 set_timeout(0);
499 return;
500 }
501 dbg("SIGUSR1 sending renew.\n");
502 send_msg(DHCP6RENEW);
503 TT.state = DHCP6RENEW;
504 TT.retries = 0;
505 set_timeout(0);
506 break;
507 case SIGUSR2:
508 dbg("SIGUSR2.\n");
509 if (TT.state == DHCP6RELEASE) return;
510 if (TT.state != DHCP6CONFIRM ) return;
511 dbg("SIGUSR2 sending release.\n");
512 send_msg(DHCP6RELEASE);
513 TT.state = DHCP6RELEASE;
514 TT.retries = 0;
515 set_timeout(0);
516 break;
517 case SIGTERM:
518 case SIGINT:
519 dbg((sig == SIGTERM)?"SIGTERM.\n":"SIGINT.\n");
520 if ((toys.optflags & FLAG_R) && TT.state == DHCP6CONFIRM)
521 send_msg(DHCP6RELEASE);
522 if(sig == SIGINT) exit(0);
523 break;
524 default: break;
525 }
526}
527
528
529static int setup_signal()
530{
531 signal(SIGUSR1, signal_handler);
532 signal(SIGUSR2, signal_handler);
533 signal(SIGTERM, signal_handler);
534 signal(SIGINT, signal_handler);
535 return 0;
536}
537
538void dhcp6_main(void)
539{
540 struct sockaddr_in6 sinaddr6;
541 int constone = 1;
542 fd_set rfds;
543
544 srand(time(NULL));
545 setlinebuf(stdout);
546 dbg = dummy;
547 TT.state = DHCP6SOLICIT;
548
549 if (toys.optflags & FLAG_v) dbg = logit;
550 if (!TT.interface_name) TT.interface_name = "eth0";
551 if (toys.optflags & FLAG_p) write_pid(TT.pidfile);
552 if (!TT.retry) TT.retry = 3;
553 if (!TT.timeout) TT.timeout = 3;
554 if (!TT.errortimeout) TT.errortimeout = 20;
555 if (toys.optflags & FLAG_S) {
556 openlog("DHCP6 :", LOG_PID, LOG_DAEMON);
557 dbg = logit;
558 }
559
560 dbg("Interface: %s\n", TT.interface_name);
561 dbg("pid file: %s\n", TT.pidfile);
562 dbg("Retry count: %d\n", TT.retry);
563 dbg("Timeout : %d\n", TT.timeout);
564 dbg("Error timeout: %d\n", TT.errortimeout);
565
566
567
568 setup_signal();
569 TT.sock1 = xsocket(PF_INET6, SOCK_DGRAM, 0);
570 memset(&sinaddr6, 0, sizeof(sinaddr6));
571 sinaddr6.sin6_family = AF_INET6;
572 sinaddr6.sin6_port = htons(DHCPC_CLIENT_PORT);
573 sinaddr6.sin6_scope_id = if_nametoindex(TT.interface_name);
574 sinaddr6.sin6_addr = in6addr_any ;
575
576 xsetsockopt(TT.sock1, SOL_SOCKET, SO_REUSEADDR, &constone, sizeof(constone));
577
578 if (bind(TT.sock1, (struct sockaddr *)&sinaddr6, sizeof(sinaddr6))) {
579 xclose(TT.sock1);
580 error_exit("bind failed");
581 }
582
583 mode_raw();
584 set_timeout(0);
585 for (;;) {
586 int maxfd = TT.sock;
587
588 if (TT.sock >= 0) FD_SET(TT.sock, &rfds);
589 TT.retval = 0;
590 if ((TT.retval = select(maxfd + 1, &rfds, NULL, NULL, &TT.tv)) < 0) {
591 if(errno == EINTR) continue;
592 perror_exit("Error in select");
593 }
594 if (!TT.retval) {
595 if (TT.state == DHCP6SOLICIT || TT.state == DHCP6CONFIRM) {
596 dbg("State is solicit, sending solicit packet\n");
597 run_script(NULL, "deconfig");
598 send_msg(DHCP6SOLICIT);
599 TT.state = DHCP6SOLICIT;
600 TT.retries++;
601 if(TT.retries > TT.retry) set_timeout(TT.errortimeout);
602 else if (TT.retries == TT.retry) {
603 dbg("State is solicit, retry count is max.\n");
604 lease_fail();
605 set_timeout(TT.errortimeout);
606 } else set_timeout(TT.timeout);
607 continue;
608 } else if (TT.state == DHCP6REQUEST || TT.state == DHCP6RENEW ||
609 TT.state == DHCP6RELEASE) {
610 dbg("State is %d , sending packet\n", TT.state);
611 send_msg(TT.state);
612 TT.retries++;
613 if (TT.retries > TT.retry) set_timeout(TT.errortimeout);
614 else if (TT.retries == TT.retry) {
615 lease_fail();
616 set_timeout(TT.errortimeout);
617 } else set_timeout(TT.timeout);
618 continue;
619 }
620 } else if (FD_ISSET(TT.sock, &rfds)) {
621 if ((TT.status = read(TT.sock, toybuf, sizeof(toybuf))) <= 0) continue;
622 mymsg = (dhcp6_raw_t*)toybuf;
623 if (ntohs(mymsg->udph.dest) == 546 &&
624 !memcmp(mymsg->dhcp6.transaction_id, TT.transction_id, 3)) {
625 if (TT.state == DHCP6SOLICIT) {
626 if (mymsg->dhcp6.msgtype == DHCP6ADVERTISE ) {
627 if (!validate_ids()) {
628 dbg("Invalid id recieved, solicit.\n");
629 TT.state = DHCP6SOLICIT;
630 continue;
631 }
632 dbg("Got reply to request or solicit.\n");
633 TT.retries = 0;
634 set_timeout(0);
635 TT.request_length = TT.status - ((char*)&mymsg->dhcp6 - (char*)mymsg);
636 memcpy((uint8_t*)&mesg, &mymsg->dhcp6, TT.request_length);
637 parse_ia_na(mesg.options, TT.request_length);
638 dbg("Status code:%d\n", dhcp_data.status_code);
639 inet_ntop(AF_INET6, dhcp_data.ipaddr, toybuf, INET6_ADDRSTRLEN);
640 dbg("Advertiesed IP: %s\n", toybuf);
641 TT.state = DHCP6REQUEST;
642 } else {
643 dbg("Invalid solicit.\n");
644 continue;
645 }
646 } else if (TT.state == DHCP6REQUEST || TT.state == DHCP6RENEW ) {
647 if (mymsg->dhcp6.msgtype == DHCP6REPLY) {
648 if (!validate_ids()) {
649 dbg("Invalid id recieved, %d.\n", TT.state);
650 TT.state = DHCP6REQUEST;
651 continue;
652 }
653 dbg("Got reply to request or renew.\n");
654 TT.request_length = TT.status - ((char*)&mymsg->dhcp6 - (char*)mymsg);
655 memcpy((uint8_t*)&mesg, &mymsg->dhcp6, TT.request_length);
656 parse_ia_na(mymsg->dhcp6.options, TT.request_length);
657 dbg("Status code:%d\n", dhcp_data.status_code);
658 inet_ntop(AF_INET6, dhcp_data.ipaddr, toybuf, INET6_ADDRSTRLEN);
659 dbg("Got IP: %s\n", toybuf);
660 TT.retries = 0;
661 run_script(&dhcp_data, (TT.state == DHCP6REQUEST) ?
662 "request" : "renew");
663 if (toys.optflags & FLAG_q) {
664 if (toys.optflags & FLAG_R) send_msg(DHCP6RELEASE);
665 break;
666 }
667 TT.state = DHCP6CONFIRM;
668 set_timeout((dhcp_data.va_lf)?dhcp_data.va_lf:INT_MAX);
669 dbg("Setting timeout to intmax.");
670 if (TT.state == DHCP6REQUEST || !(toys.optflags & FLAG_f)) {
671 dbg("Making it a daemon\n");
672 if (daemon(0,0)) perror_exit("daemonize");
673 toys.optflags |= FLAG_f;
674 if (toys.optflags & FLAG_p) write_pid(TT.pidfile);
675 }
676 dbg("Making it a foreground.\n");
677 continue;
678 } else {
679 dbg("Invalid reply.\n");
680 continue;
681 }
682 } else if (TT.state == DHCP6RELEASE) {
683 dbg("Got reply to release.\n");
684 run_script(NULL, "release");
685 set_timeout(INT_MAX);
686 }
687 }
688 }
689 }
690 xclose(TT.sock1);
691 xclose(TT.sock);
692}
693
