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1 | /********************************************************** |
2 | SixXS - Automatic IPv6 Connectivity Configuration Utility | |
3 | *********************************************************** | |
4 | Copyright 2003-2005 SixXS - http://www.sixxs.net | |
5 | *********************************************************** | |
6 | common/tic.c - Tunnel Information & Control Protocol | |
7 | *********************************************************** | |
8 | $Author: jeroen $ | |
9 | $Id: tic.c,v 1.17 2007-01-11 13:41:31 jeroen Exp $ | |
10 | $Date: 2007-01-11 13:41:31 $ | |
11 | **********************************************************/ | |
12 | ||
13 | #include "common.h" | |
14 | #include "aiccu.h" | |
15 | #include "tic.h" | |
16 | ||
17 | /* Specific includes only used here */ | |
18 | #ifndef _WIN32 | |
19 | #include <sys/utsname.h> | |
20 | #endif | |
21 | ||
22 | /* getline vars */ | |
23 | char tic_buf[2048]; | |
24 | unsigned int tic_filled; | |
25 | ||
26 | /* | |
27 | * epochtime = epochtime as received in the packet | |
28 | * Don't forget to convert byteorder using ntohl() | |
29 | */ | |
30 | int tic_checktime(time_t epochtime) | |
31 | { | |
32 | /* Number of seconds we allow the clock to be off */ | |
33 | #define CLOCK_OFF 120 | |
34 | int i; | |
35 | ||
36 | /* Get the current time */ | |
37 | time_t curr_time = time(NULL); | |
38 | ||
39 | /* Is one of the times in the loop range? */ | |
40 | if ( (curr_time >= -CLOCK_OFF) || | |
41 | (epochtime >= -CLOCK_OFF)) | |
42 | { | |
43 | /* Shift the times out of the loop range */ | |
44 | i =(int)(((int)curr_time) + (CLOCK_OFF*2)) - | |
45 | (((int)epochtime) + (CLOCK_OFF*2)); | |
46 | } | |
47 | else i = ((int)curr_time) - ((int)epochtime); | |
48 | ||
49 | /* The clock may be faster, thus flip the sign */ | |
50 | if (i < 0) i = -i; | |
51 | ||
52 | /* Compare the clock offset */ | |
53 | if (i > CLOCK_OFF) | |
54 | { | |
55 | /* Time is off */ | |
56 | return i; | |
57 | } | |
58 | ||
59 | /* Time is in the allowed range */ | |
60 | return 0; | |
61 | } | |
62 | ||
63 | bool tic_Login(struct TIC_conf *tic, const char *username, const char *password, const char *server) | |
64 | { | |
65 | char buf[1024], sSignature[33], sChallenge[1024]; | |
66 | int i; | |
67 | #ifndef _WIN32 | |
68 | struct utsname uts_name; | |
69 | #else | |
70 | OSVERSIONINFO osv; | |
71 | OSVERSIONINFOEX osvEx; | |
72 | char *platform = NULL; | |
73 | char version[100]; | |
74 | #endif | |
75 | ||
76 | D(dolog(LOG_DEBUG, "Trying to connect to TIC server %s\n", server)); | |
77 | ||
78 | /* Connect to the TIC server */ | |
79 | tic->sock = connect_client(server, TIC_PORT, AF_INET, SOCK_STREAM); | |
80 | if (!tic->sock) | |
81 | { | |
82 | dolog(LOG_ERR, "Couldn't connect to the TIC server %s\n", server); | |
83 | return false; | |
84 | } | |
85 | ||
86 | /* Fetch the welcome */ | |
87 | if (sock_getline(tic->sock, tic_buf, sizeof(tic_buf), &tic_filled, buf, sizeof(buf)) == -1) | |
88 | { | |
89 | return false; | |
90 | } | |
91 | if (buf[0] != '2') | |
92 | { | |
93 | dolog(LOG_ERR, "TIC Server is currently not available\n"); | |
94 | return false; | |
95 | } | |
96 | ||
97 | /* Send our client identification */ | |
98 | #ifndef _WIN32 | |
99 | uname(&uts_name); | |
100 | sock_printf(tic->sock, "client TIC/%s %s/%s %s/%s\n", | |
101 | TIC_VERSION, | |
102 | TIC_CLIENT_NAME, TIC_CLIENT_VERSION, | |
103 | uts_name.sysname, uts_name.release); | |
104 | #else | |
105 | osv.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); | |
106 | osvEx.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX); | |
107 | ||
108 | if (!GetVersionEx(&osv)) | |
109 | { | |
110 | platform = "Windows"; | |
111 | snprintf(version, sizeof(version), "%s", "Unknown"); | |
112 | } | |
113 | else | |
114 | { | |
115 | ||
116 | platform = (osv.dwPlatformId == VER_PLATFORM_WIN32s) ? "Win32s" : | |
117 | ((osv.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS) ? "Win9x" : | |
118 | ((osv.dwPlatformId == VER_PLATFORM_WIN32_NT) ? "WinNT" : | |
119 | "Windows")); | |
120 | ||
121 | if ( osv.dwMajorVersion < 5 || | |
122 | !GetVersionEx((OSVERSIONINFO *)&osvEx) || | |
123 | osvEx.wServicePackMajor <= 0) | |
124 | { | |
125 | snprintf(version, sizeof(version), "%d.%d.%d", | |
126 | osv.dwMajorVersion, osv.dwMinorVersion, osv.dwBuildNumber); | |
127 | } | |
128 | else if (osvEx.wServicePackMinor <= 0) | |
129 | { | |
130 | snprintf(version, sizeof(version), "%d.%d.%d-SP%d", | |
131 | osv.dwMajorVersion, osv.dwMinorVersion, osv.dwBuildNumber, | |
132 | osvEx.wServicePackMajor); | |
133 | } | |
134 | else | |
135 | { | |
136 | snprintf(version, sizeof(version), "%d.%d.%d-SP%d.%d", | |
137 | osv.dwMajorVersion, osv.dwMinorVersion, osv.dwBuildNumber, | |
138 | osvEx.wServicePackMajor, osvEx.wServicePackMinor); | |
139 | } | |
140 | } | |
141 | sock_printf(tic->sock, "client TIC/%s %s/%s %s/%s\n", | |
142 | TIC_VERSION, | |
143 | TIC_CLIENT_NAME, TIC_CLIENT_VERSION, | |
144 | platform, version); | |
145 | #endif | |
146 | ||
147 | /* Fetch the answer */ | |
148 | if (sock_getline(tic->sock, tic_buf, sizeof(tic_buf), &tic_filled, buf, sizeof(buf)) == -1) | |
149 | { | |
150 | return false; | |
151 | } | |
152 | if (buf[0] != '2') | |
153 | { | |
154 | dolog(LOG_ERR, "Couldn't pass client information: %s.\n", &buf[4]); | |
155 | return false; | |
156 | } | |
157 | ||
158 | /* Request current time */ | |
159 | sock_printf(tic->sock, "get unixtime\n"); | |
160 | ||
161 | /* Fetch the answer */ | |
162 | if (sock_getline(tic->sock, tic_buf, sizeof(tic_buf), &tic_filled, buf, sizeof(buf)) == -1) | |
163 | { | |
164 | return false; | |
165 | } | |
166 | if (buf[0] != '2') | |
167 | { | |
168 | dolog(LOG_ERR, "Time not available? %s\n", &buf[4]); | |
169 | return false; | |
170 | } | |
171 | ||
172 | /* Check if the time is correct */ | |
173 | i = tic_checktime(atoi(&buf[4])); | |
174 | if (i != 0) | |
175 | { | |
176 | char quitmsg[100]; | |
177 | dolog(LOG_ERR, "The clock is off by %d seconds, use NTP to sync it!\n", i); | |
178 | snprintf(quitmsg, sizeof(quitmsg), "Aborting: Clock is off by %d seconds\n", i); | |
179 | tic_Logout(tic, quitmsg); | |
180 | return false; | |
181 | } | |
182 | ||
183 | #ifdef AICCU_GNUTLS | |
184 | /* Upgrade to TLS */ | |
185 | sock_printf(tic->sock, "starttls\n"); | |
186 | ||
187 | /* Fetch the welcome */ | |
188 | if (sock_getline(tic->sock, tic_buf, sizeof(tic_buf), &tic_filled, buf, sizeof(buf)) == -1) | |
189 | { | |
190 | return false; | |
191 | } | |
192 | if (buf[0] == '2') | |
193 | { | |
194 | /* Go to TLS mode */ | |
195 | if (!sock_gotls(tic->sock)) return false; | |
196 | } | |
197 | else | |
198 | { | |
199 | if (g_aiccu->requiretls) | |
200 | { | |
201 | dolog(LOG_ERR, "TIC Server does not support TLS and TLS is required\n"); | |
202 | return false; | |
203 | } | |
204 | if (g_aiccu->verbose) dolog(LOG_WARNING, "TIC Server does not support TLS but TLS is not required, continuing\n"); | |
205 | } | |
206 | ||
207 | #endif | |
208 | ||
209 | /* Send our username */ | |
210 | sock_printf(tic->sock, "username %s\n", username); | |
211 | ||
212 | /* Fetch the answer */ | |
213 | if (sock_getline(tic->sock, tic_buf, sizeof(tic_buf), &tic_filled, buf, sizeof(buf)) == -1) | |
214 | { | |
215 | return false; | |
216 | } | |
217 | if (buf[0] != '2') | |
218 | { | |
219 | dolog(LOG_ERR, "Username not accepted: %s.\n", &buf[4]); | |
220 | return false; | |
221 | } | |
222 | ||
223 | /* Pick a challenge */ | |
224 | sock_printf(tic->sock, "challenge md5\n"); | |
225 | ||
226 | /* Fetch the answer */ | |
227 | if (sock_getline(tic->sock, tic_buf, sizeof(tic_buf), &tic_filled, buf, sizeof(buf)) == -1) | |
228 | { | |
229 | return false; | |
230 | } | |
231 | if (buf[0] != '2') | |
232 | { | |
233 | dolog(LOG_ERR, "Challenge not correct: %s.\n", &buf[4]); | |
234 | return false; | |
235 | } | |
236 | ||
237 | /* Send the response */ | |
238 | /* sSignature = md5(challenge.md5(password)); */ | |
239 | MD5String(password, sSignature, sizeof(sSignature)); | |
240 | snprintf(sChallenge, sizeof(sChallenge), "%s%s", &buf[4], sSignature); | |
241 | MD5String(sChallenge, sSignature, sizeof(sSignature)); | |
242 | ||
243 | sock_printf(tic->sock, "authenticate md5 %s\n", sSignature); | |
244 | ||
245 | /* Fetch the answer */ | |
246 | if (sock_getline(tic->sock, tic_buf, sizeof(tic_buf), &tic_filled, buf, sizeof(buf)) == -1) | |
247 | { | |
248 | tic_Logout(tic, NULL); | |
249 | return false; | |
250 | } | |
251 | if (buf[0] != '2') | |
252 | { | |
253 | tic_Logout(tic, NULL); | |
254 | dolog(LOG_ERR, "Response not accepted: %s.\n", &buf[4]); | |
255 | return false; | |
256 | } | |
257 | ||
258 | /* Connect OK */ | |
259 | return true; | |
260 | } | |
261 | ||
262 | void tic_Logout(struct TIC_conf *tic, const char *quitmsg) | |
263 | { | |
264 | /* A list of appropriate quit messages */ | |
265 | const char *byers[] = { | |
266 | /* Swiss-German form of "Ciao" */ | |
267 | "Tschau!", | |
268 | ||
269 | /* Dutch for "they who are going, greet you" */ | |
270 | "Zij die gaan, groeten u", | |
271 | "See you later alligator", | |
272 | "A bitter thought, but I have to go", | |
273 | ||
274 | /* Dutch for "see you later" */ | |
275 | "Ajuuu paraplu", | |
276 | "Thank you for the information", | |
277 | "It was lovely talking to you again", | |
278 | "Tschussss...", | |
279 | "Aufwiedersehen", | |
280 | "I'll be back. Ha, you didn't know I was going to say that!", | |
281 | "We will be the only two people left in the world, Yes--Adam and Evil!", | |
282 | ||
283 | /* Blutengel */ | |
284 | "Stranded", | |
285 | "Die With You", | |
286 | "The End Of Love", | |
287 | ||
288 | /* Chamber */ | |
289 | "In My Garden", | |
290 | "Set Me Free", | |
291 | ||
292 | /* Faithless */ | |
293 | "Don't Leave", | |
294 | "Insomnia", | |
295 | "Why Go", | |
296 | ||
297 | /* Garbage */ | |
298 | "The Trick Is To Keep Breathing", | |
299 | ||
300 | /* The Gathering */ | |
301 | "We just stopped breating", | |
302 | "Even the spirits are afraid", | |
303 | ||
304 | /* Goldfrapp */ | |
305 | "Deer Stop", | |
306 | ||
307 | /* Hooverphonic */ | |
308 | "The Last Thing I Need Is You", | |
309 | "Every Time We Live Together", | |
310 | "My Autumn's Done Come", | |
311 | ||
312 | /* Infected Mushroom */ | |
313 | "Never Ever Land", | |
314 | "None of this is real", | |
315 | "Nothing Comes Easy", | |
316 | "Illuminaughty", | |
317 | ||
318 | /* Nine Inch Nails */ | |
319 | "Something I can never have", | |
320 | "And All That Could Have Been...", | |
321 | "That's what I get", | |
322 | ||
323 | /* Opeth */ | |
324 | "Under the weeping moon", | |
325 | "For Absent Friends", | |
326 | ||
327 | /* Portishead */ | |
328 | "It Could Be Sweet", | |
329 | "Half Day Closing", | |
330 | ||
331 | /* Suicide Commando */ | |
332 | "Better Off Dead", | |
333 | ||
334 | /* VNV Nation */ | |
335 | "Solitary", | |
336 | "Forsaken", | |
337 | "Holding On", | |
338 | ||
339 | /* Within Temptation */ | |
340 | "This is not our farewell", | |
341 | "Running Down That Hill", | |
342 | ||
343 | /* Wumpscut */ | |
344 | "Schaltet den schmerz ab", | |
345 | "Down where we belong", | |
346 | }; | |
347 | ||
348 | /* Already disconnected? */ | |
349 | if (!tic->sock) return; | |
350 | ||
351 | if (!quitmsg) | |
352 | { | |
353 | /* Stupid random quit messages, got to put some form of easteregg in it :) */ | |
354 | srand((unsigned)time(NULL)); | |
355 | ||
356 | quitmsg = (char *)byers[rand()%(sizeof(byers)/sizeof(char *))]; | |
357 | } | |
358 | ||
359 | /* Send our bye bye */ | |
360 | sock_printf(tic->sock, "QUIT %s\n", quitmsg); | |
361 | ||
362 | /* Disconnect */ | |
363 | sock_free(tic->sock); | |
364 | tic->sock = NULL; | |
365 | } | |
366 | ||
367 | struct TIC_sTunnel *tic_ListTunnels(struct TIC_conf *tic) | |
368 | { | |
369 | char buf[1024], buf2[1024]; | |
370 | struct TIC_sTunnel *start = NULL, *last = NULL, *tun = NULL; | |
371 | int i; | |
372 | ||
373 | /* Request a list of Tunnels */ | |
374 | sock_printf(tic->sock, "tunnel list\n"); | |
375 | ||
376 | /* Fetch the answer */ | |
377 | if (sock_getline(tic->sock, tic_buf, sizeof(tic_buf), &tic_filled, buf, sizeof(buf)) == -1) | |
378 | { | |
379 | return NULL; | |
380 | } | |
381 | ||
382 | /* 201 (start of list) ? */ | |
383 | if (buf[0] != '2' || buf[1] != '0' || buf[2] != '1') | |
384 | { | |
385 | dolog(LOG_ERR, "Couldn't list tunnels: %s.\n", &buf[4]); | |
386 | return NULL; | |
387 | } | |
388 | ||
389 | /* Process all the lines */ | |
390 | while (sock_getline(tic->sock, tic_buf, sizeof(tic_buf), &tic_filled, buf, sizeof(buf)) != -1) | |
391 | { | |
392 | /* 202 (end of list) ? */ | |
393 | if (buf[0] == '2' && buf[1] == '0' && buf[2] == '2') break; | |
394 | ||
395 | i = countfields(buf); | |
396 | if (i != 4) | |
397 | { | |
398 | dolog(LOG_ERR, "Wrong field format when listing tunnels\n"); | |
399 | break; | |
400 | } | |
401 | ||
402 | /* Allocate a new struct */ | |
403 | tun = (struct TIC_sTunnel *)malloc(sizeof(*tun)); | |
404 | if (!tun) | |
405 | { | |
406 | dolog(LOG_ERR, "Memory problem while listing tunnels\n"); | |
407 | break; | |
408 | } | |
409 | memset(tun, 0, sizeof(*tun)); | |
410 | ||
411 | /* Copy the fields into the struct */ | |
412 | if (!copyfield(buf, 1, buf2, sizeof(buf2))) break; | |
413 | tun->sId = strdup(buf2); | |
414 | if (!copyfield(buf, 2, buf2, sizeof(buf2))) break; | |
415 | tun->sIPv6 = strdup(buf2); | |
416 | if (!copyfield(buf, 3, buf2, sizeof(buf2))) break; | |
417 | tun->sIPv4 = strdup(buf2); | |
418 | if (!copyfield(buf, 4, buf2, sizeof(buf2))) break; | |
419 | tun->sPOPId = strdup(buf2); | |
420 | ||
421 | /* Add it into the list */ | |
422 | if (last) | |
423 | { | |
424 | last->next = tun; | |
425 | last = tun; | |
426 | } | |
427 | else | |
428 | { | |
429 | start = last = tun; | |
430 | } | |
431 | } | |
432 | ||
433 | /* All went okay? */ | |
434 | if (buf[0] == '2' && buf[1] == '0' && buf[2] == '2') | |
435 | { | |
436 | return start; | |
437 | } | |
438 | ||
439 | /* Free the structure, it was broken anyway */ | |
440 | tic_Free_sTunnel(start); | |
441 | ||
442 | dolog(LOG_ERR, "Tunnel list went wrong: %s\n", &buf[4]); | |
443 | return NULL; | |
444 | } | |
445 | ||
446 | struct TIC_sRoute *tic_ListRoutes(struct TIC_conf *tic) | |
447 | { | |
448 | dolog(LOG_ERR, "Not implemented - tic_ListRoutes(%x)\n", tic); | |
449 | return NULL; | |
450 | } | |
451 | ||
452 | struct TIC_sPOP *tic_ListPOPs(struct TIC_conf *tic) | |
453 | { | |
454 | dolog(LOG_ERR, "Not implemented - tic_ListPOPs(%x)\n", tic); | |
455 | return NULL; | |
456 | } | |
457 | ||
458 | struct pl_rule tunnel_rules[] = | |
459 | { | |
460 | {"TunnelId", PLRT_STRING, offsetof(struct TIC_Tunnel, sId)}, | |
461 | {"Type", PLRT_STRING, offsetof(struct TIC_Tunnel, sType)}, | |
462 | {"IPv6 Endpoint", PLRT_STRING, offsetof(struct TIC_Tunnel, sIPv6_Local)}, | |
463 | {"IPv6 POP", PLRT_STRING, offsetof(struct TIC_Tunnel, sIPv6_POP)}, | |
464 | {"IPv6 PrefixLength", PLRT_INTEGER, offsetof(struct TIC_Tunnel, nIPv6_PrefixLength)}, | |
465 | {"POP Id", PLRT_STRING, offsetof(struct TIC_Tunnel, sPOP_Id)}, | |
466 | {"IPv4 Endpoint", PLRT_STRING, offsetof(struct TIC_Tunnel, sIPv4_Local)}, | |
467 | {"IPv4 POP", PLRT_STRING, offsetof(struct TIC_Tunnel, sIPv4_POP)}, | |
468 | {"UserState", PLRT_STRING, offsetof(struct TIC_Tunnel, sUserState)}, | |
469 | {"AdminState", PLRT_STRING, offsetof(struct TIC_Tunnel, sAdminState)}, | |
470 | {"Password", PLRT_STRING, offsetof(struct TIC_Tunnel, sPassword)}, | |
471 | {"Heartbeat_Interval", PLRT_INTEGER, offsetof(struct TIC_Tunnel, nHeartbeat_Interval)}, | |
472 | {"Tunnel MTU", PLRT_INTEGER, offsetof(struct TIC_Tunnel, nMTU)}, | |
473 | {NULL, PLRT_END, 0}, | |
474 | }; | |
475 | ||
476 | struct TIC_Tunnel *tic_GetTunnel(struct TIC_conf *tic, const char *sId) | |
477 | { | |
478 | char buf[1024]; | |
479 | struct TIC_Tunnel *tun; | |
480 | ||
481 | /* Get a Tunnel */ | |
482 | sock_printf(tic->sock, "tunnel show %s\n", sId); | |
483 | ||
484 | /* Fetch the answer */ | |
485 | if (sock_getline(tic->sock, tic_buf, sizeof(tic_buf), &tic_filled, buf, sizeof(buf)) == -1) | |
486 | { | |
487 | return NULL; | |
488 | } | |
489 | ||
490 | /* 201 (start of information) ? */ | |
491 | if (buf[0] != '2' || buf[1] != '0' || buf[2] != '1') | |
492 | { | |
493 | dolog(LOG_ERR, "Couldn't show tunnel %s: %s.\n", sId, buf); | |
494 | return NULL; | |
495 | } | |
496 | ||
497 | /* Allocate a new struct */ | |
498 | tun = (struct TIC_Tunnel *)malloc(sizeof(*tun)); | |
499 | if (!tun) | |
500 | { | |
501 | dolog(LOG_ERR, "Memory problem while getting tunnel %s\n", sId); | |
502 | return NULL; | |
503 | } | |
504 | memset(tun, 0, sizeof(*tun)); | |
505 | ||
506 | /* Gather the information */ | |
507 | while (sock_getline(tic->sock, tic_buf, sizeof(tic_buf), &tic_filled, buf, sizeof(buf)) != -1) | |
508 | { | |
509 | /* 202 (end of list) ? */ | |
510 | if (buf[0] == '2' && buf[1] == '0' && buf[2] == '2') break; | |
511 | ||
512 | parseline(buf, ": ", tunnel_rules, tun); | |
513 | } | |
514 | /* All went okay? */ | |
515 | if (buf[0] == '2' && buf[1] == '0' && buf[2] == '2') | |
516 | { | |
517 | struct in6_addr ipv6_ll, ipv6_local; | |
518 | char ll[100]; | |
519 | ||
ddeba48a RH |
520 | /* Log that the fetch was successful */ |
521 | dolog(LOG_INFO, "Successfully retrieved tunnel information for %s\n", sId); | |
d98f6a46 SS |
522 | |
523 | /* | |
524 | * Some TUN/TAP devices don't have any | |
525 | * link local addresses and we want multicast and MLD to work | |
526 | * thus we invent one based on the following: | |
527 | * | |
528 | * ipv6_us = 2001:0db8:1234:5678: : : :0001 | |
529 | * ipv6_ll = fe80: : : :0db8:1234:5678:0001 | |
530 | * | |
531 | * Thus we ignore the first 16bits, take the following 48 bits | |
532 | * and then add the last 16bits. | |
533 | * | |
534 | * As we are not 100% sure that this LL is unique we clear that bit. | |
535 | */ | |
536 | ||
537 | inet_pton(AF_INET6, tun->sIPv6_Local, &ipv6_local); | |
538 | ||
539 | /* Link Local (fe80::/64) */ | |
540 | ipv6_ll.s6_addr[ 0] = 0xfe; | |
541 | ipv6_ll.s6_addr[ 1] = 0x80; | |
542 | ipv6_ll.s6_addr[ 2] = 0x00; | |
543 | ipv6_ll.s6_addr[ 3] = 0x00; | |
544 | ipv6_ll.s6_addr[ 4] = 0x00; | |
545 | ipv6_ll.s6_addr[ 5] = 0x00; | |
546 | ipv6_ll.s6_addr[ 6] = 0x00; | |
547 | ipv6_ll.s6_addr[ 7] = 0x00; | |
548 | ipv6_ll.s6_addr[ 8] = ipv6_local.s6_addr[ 2] & 0xfc; /* Clear the LL Unique Bit */ | |
549 | ipv6_ll.s6_addr[ 9] = ipv6_local.s6_addr[ 3]; | |
550 | ipv6_ll.s6_addr[10] = ipv6_local.s6_addr[ 4]; | |
551 | ipv6_ll.s6_addr[11] = ipv6_local.s6_addr[ 5]; | |
552 | ipv6_ll.s6_addr[12] = ipv6_local.s6_addr[ 6]; | |
553 | ipv6_ll.s6_addr[13] = ipv6_local.s6_addr[ 7]; | |
554 | ipv6_ll.s6_addr[14] = ipv6_local.s6_addr[14]; | |
555 | ipv6_ll.s6_addr[15] = ipv6_local.s6_addr[15]; | |
556 | ||
557 | inet_ntop(AF_INET6, &ipv6_ll, ll, sizeof(ll)); | |
558 | if (tun->sIPv6_LinkLocal) free(tun->sIPv6_LinkLocal); | |
559 | tun->sIPv6_LinkLocal = strdup(ll); | |
560 | ||
561 | if ( strcmp(tun->sType, "ayiya") == 0 || | |
562 | strcmp(tun->sType, "l2tp") == 0) | |
563 | { | |
564 | tun->uses_tundev = 1; | |
565 | #ifdef NO_IFHEAD | |
566 | dolog(LOG_ERR, "This build doesn't support the Tun/TAP device and thus can't instantiate tunnels of type %s, please fix your OS and recompile\n", tun->sType); | |
567 | tic_Free_Tunnel(tun); | |
568 | return NULL; | |
569 | #endif | |
570 | } | |
571 | else tun->uses_tundev = 0; | |
572 | ||
573 | /* Need to override the local IPv4 address? */ | |
574 | if (g_aiccu->local_ipv4_override) | |
575 | { | |
576 | dolog(LOG_INFO, "Overriding Local IPv4 address from %s to %s\n", tun->sIPv4_Local, g_aiccu->local_ipv4_override); | |
577 | free(tun->sIPv4_Local); | |
578 | tun->sIPv4_Local = strdup(g_aiccu->local_ipv4_override); | |
579 | } | |
580 | ||
581 | return tun; | |
582 | } | |
583 | ||
584 | /* Free the structure, it is broken anyway */ | |
585 | tic_Free_Tunnel(tun); | |
586 | ||
587 | dolog(LOG_ERR, "Tunnel Get for %s went wrong: %s\n", sId, buf); | |
588 | return NULL; | |
589 | } | |
590 | ||
591 | struct TIC_Route *tic_GetRoute(struct TIC_conf *tic, const char *sId) | |
592 | { | |
593 | dolog(LOG_ERR, "Not implemented - tic_GetRoute(%x, \"%s\")\n", tic, sId); | |
594 | return NULL; | |
595 | } | |
596 | ||
597 | struct pl_rule pop_rules[] = | |
598 | { | |
599 | {"POPId", PLRT_STRING, offsetof(struct TIC_POP, sId)}, | |
600 | {"City", PLRT_STRING, offsetof(struct TIC_POP, sCity)}, | |
601 | {"Country", PLRT_STRING, offsetof(struct TIC_POP, sCountry)}, | |
602 | {"IPv4", PLRT_STRING, offsetof(struct TIC_POP, sIPv4)}, | |
603 | {"IPv6", PLRT_STRING, offsetof(struct TIC_POP, sIPv6)}, | |
604 | ||
605 | {"ISP Short", PLRT_STRING, offsetof(struct TIC_POP, sISP_Short)}, | |
606 | {"ISP Name", PLRT_STRING, offsetof(struct TIC_POP, sISP_Name)}, | |
607 | {"ISP Website", PLRT_STRING, offsetof(struct TIC_POP, sISP_Website)}, | |
608 | {"ISP ASN", PLRT_STRING, offsetof(struct TIC_POP, sISP_ASN)}, | |
609 | {"ISP LIR", PLRT_STRING, offsetof(struct TIC_POP, sISP_LIR)}, | |
610 | ||
611 | {NULL, PLRT_END, 0}, | |
612 | }; | |
613 | ||
614 | struct TIC_POP *tic_GetPOP(struct TIC_conf *tic, const char *sId) | |
615 | { | |
616 | char buf[1024]; | |
617 | struct TIC_POP *pop; | |
618 | ||
619 | /* Get a Tunnel */ | |
620 | sock_printf(tic->sock, "pop show %s\n", sId); | |
621 | ||
622 | /* Fetch the answer */ | |
623 | if (sock_getline(tic->sock, tic_buf, sizeof(tic_buf), &tic_filled, buf, sizeof(buf)) == -1) | |
624 | { | |
625 | return NULL; | |
626 | } | |
627 | ||
628 | /* 201 (start of info) ? */ | |
629 | if (buf[0] != '2' || buf[1] != '0' || buf[2] != '1') | |
630 | { | |
631 | dolog(LOG_ERR, "Couldn't show POP %s: %s.\n", sId, buf); | |
632 | return NULL; | |
633 | } | |
634 | ||
635 | /* Allocate a new struct */ | |
636 | pop = (struct TIC_POP *)malloc(sizeof(*pop)); | |
637 | if (!pop) | |
638 | { | |
639 | dolog(LOG_ERR, "Memory problem while getting POP\n"); | |
640 | return NULL; | |
641 | } | |
642 | memset(pop, 0, sizeof(*pop)); | |
643 | ||
644 | /* Gather the information */ | |
645 | while (sock_getline(tic->sock, tic_buf, sizeof(tic_buf), &tic_filled, buf, sizeof(buf)) != -1) | |
646 | { | |
647 | /* 202 (end of list) ? */ | |
648 | if (buf[0] == '2' && buf[1] == '0' && buf[2] == '2') break; | |
649 | ||
650 | parseline(buf, ": ", pop_rules, pop); | |
651 | } | |
652 | /* All went okay? */ | |
653 | if (buf[0] == '2' && buf[1] == '0' && buf[2] == '2') | |
654 | { | |
ddeba48a | 655 | dolog(LOG_INFO, "Successfully retrieved POP information for %s\n", sId); |
d98f6a46 SS |
656 | return pop; |
657 | } | |
658 | ||
659 | /* Free the structure, it is broken anyway */ | |
660 | tic_Free_POP(pop); | |
661 | ||
662 | dolog(LOG_ERR, "POP Get for %s went wrong: %s\n", sId, buf); | |
663 | return NULL; | |
664 | } | |
665 | ||
666 | void tic_Free_sTunnel(struct TIC_sTunnel *tun) | |
667 | { | |
668 | struct TIC_sTunnel *next; | |
669 | ||
670 | for (; tun; tun = next) | |
671 | { | |
672 | next = tun->next; | |
673 | if (tun->sId) free(tun->sId); | |
674 | if (tun->sIPv6) free(tun->sIPv6); | |
675 | if (tun->sIPv4) free(tun->sIPv4); | |
676 | if (tun->sPOPId) free(tun->sPOPId); | |
677 | free(tun); | |
678 | } | |
679 | } | |
680 | ||
681 | void tic_Free_sRoute(struct TIC_sRoute *rt) | |
682 | { | |
683 | struct TIC_sRoute *next; | |
684 | ||
685 | for (; rt; rt = next) | |
686 | { | |
687 | next = rt->next; | |
688 | if (rt->sId) free(rt->sId); | |
689 | if (rt->sTunnelId) free(rt->sTunnelId); | |
690 | if (rt->sIPv6) free(rt->sIPv6); | |
691 | free(rt); | |
692 | } | |
693 | } | |
694 | ||
695 | void tic_Free_sPOP(struct TIC_sPOP *pop) | |
696 | { | |
697 | struct TIC_sPOP *next; | |
698 | ||
699 | for (; pop; pop = next) | |
700 | { | |
701 | next = pop->next; | |
702 | if (pop->sId) free(pop->sId); | |
703 | free(pop); | |
704 | } | |
705 | } | |
706 | ||
707 | void tic_Free_Tunnel(struct TIC_Tunnel *tun) | |
708 | { | |
709 | if (tun->sId) { free(tun->sId); tun->sId = NULL; } | |
710 | if (tun->sType) { free(tun->sType); tun->sType = NULL; } | |
711 | if (tun->sPOP_Id) { free(tun->sPOP_Id); tun->sPOP_Id = NULL; } | |
712 | if (tun->sUserState) { free(tun->sUserState); tun->sUserState = NULL; } | |
713 | if (tun->sAdminState) { free(tun->sAdminState); tun->sAdminState = NULL; } | |
714 | if (tun->sPassword) { free(tun->sPassword); tun->sPassword = NULL; } | |
715 | if (tun->sIPv4_Local) { free(tun->sIPv4_Local); tun->sIPv4_Local = NULL; } | |
716 | if (tun->sIPv4_POP) { free(tun->sIPv4_POP); tun->sIPv4_POP = NULL; } | |
717 | if (tun->sIPv6_Local) { free(tun->sIPv6_Local); tun->sIPv6_Local = NULL; } | |
718 | if (tun->sIPv6_POP) { free(tun->sIPv6_POP); tun->sIPv6_POP = NULL; } | |
719 | free(tun); | |
720 | tun = NULL; | |
721 | } | |
722 | ||
723 | void tic_Free_Route(struct TIC_Route *rt) | |
724 | { | |
725 | if (rt->sId) free(rt->sId); | |
726 | if (rt->sTunnelId) free(rt->sTunnelId); | |
727 | free(rt); | |
728 | } | |
729 | ||
730 | void tic_Free_POP(struct TIC_POP *pop) | |
731 | { | |
732 | if (pop->sId) free(pop->sId); | |
733 | if (pop->sCity) free(pop->sCity); | |
734 | if (pop->sCountry) free(pop->sCountry); | |
735 | if (pop->sIPv4) free(pop->sIPv4); | |
736 | if (pop->sIPv6) free(pop->sIPv6); | |
737 | if (pop->sISP_Short) free(pop->sISP_Short); | |
738 | if (pop->sISP_Name) free(pop->sISP_Name); | |
739 | if (pop->sISP_Website) free(pop->sISP_Website); | |
740 | if (pop->sISP_ASN) free(pop->sISP_ASN); | |
741 | if (pop->sISP_LIR) free(pop->sISP_LIR); | |
742 | ||
743 | free(pop); | |
744 | } |