Commit | Line | Data |
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d3372da9 | 1 | /* |
2 | * Dolda Connect - Modular multiuser Direct Connect-style client | |
302a2600 | 3 | * Copyright (C) 2004 Fredrik Tolf <fredrik@dolda2000.com> |
d3372da9 | 4 | * |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation; either version 2 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
18 | */ | |
19 | #define _GNU_SOURCE | |
20 | #include <unistd.h> | |
21 | #include <stdlib.h> | |
d3372da9 | 22 | #include <sys/socket.h> |
23 | #include <netinet/in.h> | |
24 | #include <netinet/ip6.h> | |
504ba854 | 25 | #include <arpa/inet.h> |
ddb933f1 | 26 | #include <sys/un.h> |
d3372da9 | 27 | #include <errno.h> |
28 | #include <string.h> | |
29 | #include <stdarg.h> | |
30 | #include <wchar.h> | |
31 | #include <wctype.h> | |
32 | #include <iconv.h> | |
33 | #include <pwd.h> | |
34 | #include <time.h> | |
35 | #include <fcntl.h> | |
36 | #include <signal.h> | |
37 | ||
38 | #ifdef HAVE_CONFIG_H | |
39 | #include <config.h> | |
40 | #endif | |
41 | #include "conf.h" | |
42 | #include "auth.h" | |
43 | #include "utils.h" | |
44 | #include "net.h" | |
45 | #include "module.h" | |
46 | #include "sysevents.h" | |
47 | #include "filenet.h" | |
48 | #include "transfer.h" | |
49 | #include "search.h" | |
50 | #include "client.h" | |
51 | ||
52 | #define PERM_DISALLOW 1 | |
53 | #define PERM_ADMIN 2 | |
54 | #define PERM_FNETCTL 4 | |
55 | #define PERM_TRANS 8 | |
56 | #define PERM_TRANSCU 16 | |
57 | #define PERM_CHAT 32 | |
58 | #define PERM_SRCH 64 | |
59 | ||
60 | #define NOTIF_END 0 | |
61 | #define NOTIF_INT 1 | |
62 | #define NOTIF_STR 2 | |
63 | #define NOTIF_FLOAT 3 | |
64 | #define NOTIF_ID 4 | |
dcf7a1a2 | 65 | #define NOTIF_OFF 5 |
d3372da9 | 66 | #define NOTIF_PEND 0 |
67 | #define NOTIF_WAIT 1 | |
68 | ||
69 | struct uidata; | |
70 | ||
71 | struct command | |
72 | { | |
73 | wchar_t *name; | |
74 | void (*handler)(struct socket *sk, struct uidata *data, int argc, wchar_t **argv); | |
75 | }; | |
76 | ||
77 | struct qcommand | |
78 | { | |
79 | struct qcommand *next; | |
80 | struct command *cmd; | |
81 | int argc; | |
82 | wchar_t **argv; | |
83 | }; | |
84 | ||
85 | struct uiuser | |
86 | { | |
87 | struct uiuser *next, *prev; | |
88 | int used; | |
89 | wchar_t *name; | |
90 | unsigned long perms; | |
91 | int delete; | |
92 | }; | |
93 | ||
94 | struct notif | |
95 | { | |
96 | struct notif *next, *prev; | |
97 | struct uidata *ui; | |
98 | int state; | |
99 | int code; | |
100 | double rlimit; | |
101 | size_t argc; | |
102 | struct timer *exptimer; | |
103 | struct notifarg | |
104 | { | |
105 | int dt; | |
106 | union | |
107 | { | |
108 | int n; | |
dcf7a1a2 | 109 | off_t o; |
d3372da9 | 110 | wchar_t *s; |
111 | double d; | |
112 | } d; | |
113 | } *argv; | |
114 | }; | |
115 | ||
116 | struct uidata | |
117 | { | |
118 | struct uidata *next, *prev; | |
119 | struct socket *sk; | |
120 | struct qcommand *queue, *queuelast; | |
821e3843 | 121 | size_t queuesize; |
d3372da9 | 122 | struct authhandle *auth; |
123 | int close; | |
124 | union | |
125 | { | |
126 | struct | |
127 | { | |
128 | int fnact:1; | |
129 | int fnchat:1; | |
ba86d49a | 130 | int fnpeer:1; |
d3372da9 | 131 | int tract:1; |
132 | int trprog:1; | |
133 | int srch:1; | |
5f151349 | 134 | int msg:1; |
d3372da9 | 135 | } b; |
136 | int w; | |
137 | } notify; | |
138 | wchar_t *username; | |
139 | struct uiuser *userinfo; | |
5f151349 | 140 | int id; |
141 | wchar_t *regname; | |
d3372da9 | 142 | uid_t uid; |
143 | struct notif *fnotif, *lnotif; | |
144 | char *fcmdbuf; | |
145 | size_t fcmdbufdata, fcmdbufsize; | |
146 | pid_t fcmdpid; | |
147 | struct socket *fcmdsk; | |
148 | /* Read buffer */ | |
149 | char *inbuf; | |
150 | size_t inbufsize, indata; | |
151 | /* Wordset storage */ | |
152 | wchar_t **argv; | |
76236762 | 153 | size_t argc, args; |
d3372da9 | 154 | /* WCS conversation stuff */ |
155 | wchar_t *cb; /* Conversation buffer */ | |
156 | size_t cbsize, cbdata; | |
157 | iconv_t ichandle; | |
158 | /* Parser data */ | |
159 | int ps; /* Parser state */ | |
160 | wchar_t *pp; /* Current parse pointer */ | |
161 | wchar_t *cw; /* Current word (building storage) */ | |
162 | size_t cwsize, cwdata; | |
163 | }; | |
164 | ||
165 | static int srcheta(struct search *srch, void *uudata); | |
166 | static int srchcommit(struct search *srch, void *uudata); | |
167 | static int srchres(struct search *srch, struct srchres *sr, void *uudata); | |
5f151349 | 168 | static struct notif *newnotif(struct uidata *data, int code, ...); |
169 | static void notifappend(struct notif *notif, ...); | |
d3372da9 | 170 | |
171 | struct uiuser *users = NULL; | |
172 | struct uidata *actives = NULL; | |
ddb933f1 | 173 | struct socket *tcpsocket = NULL; |
174 | struct socket *unixsocket = NULL; | |
9a64a4f7 | 175 | static time_t starttime; |
d3372da9 | 176 | |
177 | static wchar_t *quoteword(wchar_t *word) | |
178 | { | |
179 | wchar_t *wp, *buf, *bp; | |
180 | int dq, numbs, numc; | |
181 | ||
182 | dq = 0; | |
183 | numbs = 0; | |
184 | numc = 0; | |
185 | if(*word == L'\0') | |
186 | { | |
187 | dq = 1; | |
188 | } else { | |
189 | for(wp = word; *wp != L'\0'; wp++) | |
190 | { | |
191 | if(!dq && iswspace(*wp)) | |
192 | dq = 1; | |
193 | if((*wp == L'\\') || (*wp == L'\"')) | |
194 | numbs++; | |
195 | numc++; | |
196 | } | |
197 | } | |
198 | if(!dq && !numbs) | |
199 | return(NULL); | |
200 | bp = buf = smalloc(sizeof(wchar_t) * (numc + numbs + (dq?2:0) + 1)); | |
201 | if(dq) | |
202 | *(bp++) = L'\"'; | |
203 | for(wp = word; *wp != L'\0'; wp++) | |
204 | { | |
205 | if((*wp == L'\\') || (*wp == L'\"')) | |
206 | *(bp++) = L'\\'; | |
207 | *(bp++) = *wp; | |
208 | } | |
209 | if(dq) | |
210 | *(bp++) = L'\"'; | |
211 | *(bp++) = L'\0'; | |
212 | return(buf); | |
213 | } | |
214 | ||
215 | static void sq(struct socket *sk, int cont, ...) | |
216 | { | |
217 | int num, freepart; | |
218 | va_list al; | |
f7292a8b | 219 | char *final, *sarg; |
d3372da9 | 220 | wchar_t *buf; |
221 | wchar_t *part, *tpart; | |
222 | size_t bufsize, bufdata; | |
223 | ||
224 | buf = NULL; | |
225 | bufsize = bufdata = 0; | |
226 | num = 0; | |
227 | va_start(al, cont); | |
228 | while((part = va_arg(al, wchar_t *)) != NULL) | |
229 | { | |
f7292a8b | 230 | freepart = 0; |
d3372da9 | 231 | if(*part == L'%') |
232 | { | |
f7292a8b | 233 | tpart = part + 1; |
234 | if(!wcscmp(tpart, L"i")) | |
d3372da9 | 235 | { |
f7292a8b | 236 | freepart = 1; |
237 | part = swprintf2(L"%i", va_arg(al, int)); | |
dcf7a1a2 FT |
238 | } else if(!wcscmp(tpart, L"zi")) { |
239 | freepart = 1; | |
240 | part = swprintf2(L"%zi", va_arg(al, size_t)); | |
241 | } else if(!wcscmp(tpart, L"oi")) { | |
242 | freepart = 1; | |
243 | part = swprintf2(L"%ji", (intmax_t)va_arg(al, off_t)); | |
f7292a8b | 244 | } else if(!wcscmp(tpart, L"s")) { |
245 | freepart = 1; | |
246 | part = icmbstowcs(sarg = va_arg(al, char *), NULL); | |
247 | if(part == NULL) | |
d3372da9 | 248 | { |
f7292a8b | 249 | freepart = 0; |
250 | part = L"ERROR"; | |
251 | flog(LOG_ERR, "could not convert local string to wcs: %s", sarg); | |
d3372da9 | 252 | } |
f7292a8b | 253 | } else if(!wcscmp(tpart, L"ls")) { |
254 | part = va_arg(al, wchar_t *); | |
255 | } else if(!wcscmp(tpart, L"ll")) { | |
256 | freepart = 1; | |
257 | part = swprintf2(L"%lli", va_arg(al, long long)); | |
258 | } else if(!wcscmp(tpart, L"f")) { | |
259 | freepart = 1; | |
260 | part = swprintf2(L"%f", va_arg(al, double)); | |
261 | } else if(!wcscmp(tpart, L"x")) { | |
262 | freepart = 1; | |
263 | part = swprintf2(L"%x", va_arg(al, int)); | |
264 | } else { | |
265 | flog(LOG_CRIT, "BUG: unknown type code in sq: %ls", tpart); | |
266 | abort(); | |
d3372da9 | 267 | } |
d3372da9 | 268 | } |
269 | if((tpart = quoteword(part)) != NULL) | |
270 | { | |
271 | if(freepart) | |
272 | free(part); | |
273 | part = tpart; | |
274 | freepart = 1; | |
275 | } | |
276 | if((num > 1) || ((num == 1) && !(cont & 1))) | |
277 | addtobuf(buf, L' '); | |
278 | bufcat(buf, part, wcslen(part)); | |
279 | if((num == 0) && (cont & 1)) | |
280 | addtobuf(buf, L'-'); | |
281 | num++; | |
282 | if(freepart) | |
283 | free(part); | |
284 | } | |
285 | if(cont & 2) | |
286 | bufcat(buf, L" \0", 2); | |
287 | else | |
288 | bufcat(buf, L"\r\n\0", 3); | |
289 | if((final = icwcstombs(buf, "utf-8")) == NULL) | |
290 | { | |
291 | flog(LOG_CRIT, "could not convert \"%ls\" into utf-8: %s", buf, strerror(errno)); | |
292 | free(buf); | |
293 | return; | |
294 | } | |
295 | va_end(al); | |
296 | free(buf); | |
297 | sockqueue(sk, final, strlen(final)); | |
298 | free(final); | |
299 | } | |
300 | ||
301 | struct uiuser *finduser(wchar_t *name) | |
302 | { | |
303 | struct uiuser *user; | |
304 | ||
305 | for(user = users; user != NULL; user = user->next) | |
306 | { | |
307 | if(!wcscmp(user->name, name)) | |
308 | break; | |
309 | } | |
310 | return(user); | |
311 | } | |
312 | ||
313 | static void logout(struct uidata *data) | |
314 | { | |
315 | data->userinfo = NULL; | |
316 | if(data->username != NULL) | |
317 | free(data->username); | |
318 | data->username = NULL; | |
319 | if(data->auth != NULL) | |
320 | authputhandle(data->auth); | |
321 | data->auth = NULL; | |
322 | } | |
323 | ||
324 | static int haspriv(struct uidata *data, int perm) | |
325 | { | |
326 | if(data->userinfo == NULL) | |
327 | return(0); | |
328 | if(data->userinfo->perms & perm) | |
329 | return(1); | |
330 | else | |
331 | return(0); | |
332 | } | |
333 | ||
334 | /* Useful macros for the command functions: */ | |
335 | #define haveargs(n) do { if(argc < n) { sq(sk, 0, L"501", L"Wrong number of arguments", NULL); return; } } while(0) | |
a9bfddfe | 336 | #define havepriv(p) do { if((data->userinfo == NULL) || ((data->userinfo->perms & (p)) != (p))) { sq(sk, 0, L"502", L"Unauthorized request", L"needed", L"%x", (p), NULL); return; } } while(0) |
d3372da9 | 337 | |
338 | static void cmd_connect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) | |
339 | { | |
340 | int valid; | |
504ba854 | 341 | struct in6_addr mv4lo; |
d3372da9 | 342 | |
343 | if(confgetint("ui", "onlylocal")) | |
344 | { | |
345 | switch(sk->remote->sa_family) | |
346 | { | |
347 | case AF_INET: | |
348 | valid = ((struct sockaddr_in *)sk->remote)->sin_addr.s_addr == INADDR_LOOPBACK; | |
349 | break; | |
350 | case AF_INET6: | |
504ba854 | 351 | inet_pton(AF_INET6, "::ffff:127.0.0.1", &mv4lo); |
352 | valid = 0; | |
353 | if(!memcmp(&((struct sockaddr_in6 *)sk->remote)->sin6_addr, &in6addr_loopback, sizeof(in6addr_loopback))) | |
354 | valid = 1; | |
355 | if(!memcmp(&((struct sockaddr_in6 *)sk->remote)->sin6_addr, &mv4lo, sizeof(in6addr_loopback))) | |
356 | valid = 1; | |
d3372da9 | 357 | break; |
ddb933f1 | 358 | case AF_UNIX: |
359 | valid = 1; | |
360 | break; | |
d3372da9 | 361 | default: |
362 | valid = 0; | |
363 | break; | |
364 | } | |
365 | if(!valid) | |
366 | { | |
367 | sq(sk, 0, L"502", L"Only localhost connections allowed to this host", NULL); | |
368 | sk->close = 1; | |
369 | data->close = 1; | |
370 | return; | |
371 | } | |
372 | } | |
040118de | 373 | sq(sk, 0, L"201", L"1", L"3", L"Dolda Connect daemon v" VERSION, NULL); |
d3372da9 | 374 | } |
375 | ||
376 | static void cmd_notfound(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) | |
377 | { | |
378 | if((argv != NULL) && (argv[0] != NULL)) | |
f7292a8b | 379 | sq(sk, 0, L"500", L"Command not found", NULL); |
d3372da9 | 380 | else |
381 | sq(sk, 0, L"500", L"No command", NULL); | |
382 | } | |
383 | ||
384 | static void cmd_shutdown(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) | |
385 | { | |
386 | extern volatile int running; | |
387 | ||
388 | havepriv(PERM_ADMIN); | |
389 | flog(LOG_NOTICE, "UI shutdown request from %ls, shutting down", data->username); | |
390 | running = 0; | |
391 | sq(sk, 0, L"200", L"Daemon shutting down", NULL); | |
392 | } | |
393 | ||
394 | static void cmd_quit(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) | |
395 | { | |
396 | sq(sk, 0, L"200", L"Closing connection", NULL); | |
397 | data->close = 1; | |
398 | } | |
399 | ||
400 | static void cmd_lsauth(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) | |
401 | { | |
402 | struct authmech *mech, *prev; | |
403 | ||
404 | prev = NULL; | |
405 | for(mech = mechs; mech != NULL; mech = mech->next) | |
406 | { | |
3616b334 | 407 | if(mech->enabled && authavailable(mech, sk)) |
d3372da9 | 408 | { |
409 | if(prev != NULL) | |
410 | sq(sk, 1, L"200", prev->name, NULL); | |
411 | prev = mech; | |
412 | } | |
413 | } | |
414 | if(prev == NULL) | |
415 | sq(sk, 0, L"201", L"No authentication methods supported", NULL); | |
416 | else | |
417 | sq(sk, 0, L"200", prev->name, NULL); | |
418 | } | |
419 | ||
420 | static void cmd_login(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) | |
421 | { | |
422 | char *buf; | |
423 | int code; | |
424 | struct passwd *pwd; | |
425 | ||
426 | haveargs(3); | |
427 | if(data->username != NULL) | |
428 | { | |
429 | if(data->userinfo != NULL) | |
430 | sq(sk, 0, L"503", L"Already logged in", NULL); | |
431 | else | |
432 | sq(sk, 0, L"503", L"Already logging in", NULL); | |
433 | return; | |
434 | } | |
435 | if((buf = icwcstombs(argv[2], NULL)) == NULL) | |
436 | { | |
437 | sq(sk, 0, L"504", L"Could not convert username to locale charset", NULL); | |
438 | return; | |
439 | } | |
440 | data->username = swcsdup(argv[2]); | |
441 | if((pwd = getpwnam(buf)) == NULL) | |
442 | data->uid = -1; | |
443 | else | |
444 | data->uid = pwd->pw_uid; | |
445 | if((data->auth = initauth(argv[1], buf)) == NULL) | |
446 | { | |
447 | if(errno == ENOENT) | |
448 | sq(sk, 0, L"508", L"No such authentication mechanism", NULL); | |
449 | else | |
f7292a8b | 450 | sq(sk, 0, L"505", L"Could not initialize authentication system", L"%s", strerror(errno), NULL); |
d3372da9 | 451 | free(buf); |
452 | logout(data); | |
453 | return; | |
454 | } | |
455 | free(buf); | |
3616b334 | 456 | switch(authenticate(data->auth, sk, NULL)) |
d3372da9 | 457 | { |
458 | case AUTH_SUCCESS: | |
459 | data->userinfo = finduser(data->username); | |
460 | if(data->userinfo == NULL) | |
461 | data->userinfo = finduser(L"default"); | |
462 | if(data->uid == -1) | |
463 | { | |
464 | sq(sk, 0, L"506", L"Authentication error", NULL); | |
6c9eee05 | 465 | flog(LOG_INFO, "user %ls authenticated successfully from %s, but no account existed", data->username, formataddress(sk->remote, sk->remotelen)); |
d3372da9 | 466 | logout(data); |
467 | } else if((data->userinfo == NULL) || (data->userinfo->perms & PERM_DISALLOW)) { | |
468 | sq(sk, 0, L"506", L"Authentication error", NULL); | |
6c9eee05 | 469 | flog(LOG_INFO, "user %ls authenticated successfully from %s, but was not authorized", data->username, formataddress(sk->remote, sk->remotelen)); |
d3372da9 | 470 | logout(data); |
471 | } else { | |
472 | sq(sk, 0, L"200", L"Welcome", NULL); | |
6c9eee05 | 473 | flog(LOG_INFO, "%ls (UID %i) logged in from %s", data->username, data->uid, formataddress(sk->remote, sk->remotelen)); |
d3372da9 | 474 | } |
475 | break; | |
476 | case AUTH_DENIED: | |
f7292a8b | 477 | sq(sk, 0, L"506", L"Authentication error", L"%ls", (data->auth->text == NULL)?L"":(data->auth->text), NULL); |
6c9eee05 | 478 | flog(LOG_INFO, "authentication failed for %ls from %s", data->username, formataddress(sk->remote, sk->remotelen)); |
d3372da9 | 479 | logout(data); |
480 | break; | |
481 | case AUTH_PASS: | |
482 | switch(data->auth->prompt) | |
483 | { | |
484 | case AUTH_PR_AUTO: | |
485 | code = 300; | |
486 | break; | |
487 | case AUTH_PR_NOECHO: | |
488 | code = 301; | |
489 | break; | |
490 | case AUTH_PR_ECHO: | |
491 | code = 302; | |
492 | break; | |
493 | case AUTH_PR_INFO: | |
494 | code = 303; | |
495 | break; | |
496 | case AUTH_PR_ERROR: | |
497 | code = 304; | |
498 | break; | |
499 | } | |
f7292a8b | 500 | sq(sk, 0, L"%i", code, data->auth->text, NULL); |
d3372da9 | 501 | break; |
502 | case AUTH_ERR: | |
f7292a8b | 503 | sq(sk, 0, L"505", L"System error", L"%s", strerror(errno), NULL); |
d3372da9 | 504 | logout(data); |
505 | break; | |
506 | default: | |
507 | flog(LOG_WARNING, "BUG? Non-caught return from authenticate in cmd_login"); | |
f7292a8b | 508 | sq(sk, 0, L"505", L"System error", L"%s", strerror(errno), NULL); |
d3372da9 | 509 | logout(data); |
510 | break; | |
511 | } | |
512 | } | |
513 | ||
514 | static void cmd_pass(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) | |
515 | { | |
516 | char *buf; | |
517 | int code; | |
518 | ||
519 | haveargs(2); | |
520 | if((buf = icwcstombs(argv[1], NULL)) == NULL) | |
521 | { | |
522 | sq(sk, 0, L"504", L"Could not convert data to locale charset", NULL); | |
523 | return; | |
524 | } | |
525 | if((data->auth == NULL) || (data->userinfo != NULL)) | |
526 | { | |
527 | sq(sk, 0, L"507", L"Data not expected", NULL); | |
528 | return; | |
529 | } | |
3616b334 | 530 | switch(authenticate(data->auth, sk, buf)) |
d3372da9 | 531 | { |
532 | case AUTH_SUCCESS: | |
533 | data->userinfo = finduser(data->username); | |
534 | if(data->userinfo == NULL) | |
535 | data->userinfo = finduser(L"default"); | |
536 | if(data->uid == -1) | |
537 | { | |
538 | sq(sk, 0, L"506", L"Authentication error", NULL); | |
6c9eee05 | 539 | flog(LOG_INFO, "user %ls authenticated successfully from %s, but no account existed", data->username, formataddress(sk->remote, sk->remotelen)); |
d3372da9 | 540 | logout(data); |
541 | } else if((data->userinfo == NULL) || (data->userinfo->perms & PERM_DISALLOW)) { | |
542 | sq(sk, 0, L"506", L"Authentication error", NULL); | |
6c9eee05 | 543 | flog(LOG_INFO, "user %ls authenticated successfully from %s, but was not authorized", data->username, formataddress(sk->remote, sk->remotelen)); |
d3372da9 | 544 | logout(data); |
545 | } else { | |
546 | sq(sk, 0, L"200", L"Welcome", NULL); | |
6c9eee05 | 547 | flog(LOG_INFO, "%ls (UID %i) logged in from %s", data->username, data->uid, formataddress(sk->remote, sk->remotelen)); |
d3372da9 | 548 | } |
549 | break; | |
550 | case AUTH_DENIED: | |
f7292a8b | 551 | sq(sk, 0, L"506", L"Authentication error", L"%ls", (data->auth->text == NULL)?L"":(data->auth->text), NULL); |
6c9eee05 | 552 | flog(LOG_INFO, "authentication failed for %ls from %s", data->username, formataddress(sk->remote, sk->remotelen)); |
d3372da9 | 553 | logout(data); |
554 | break; | |
555 | case AUTH_PASS: | |
556 | switch(data->auth->prompt) | |
557 | { | |
558 | case AUTH_PR_AUTO: | |
559 | code = 300; | |
560 | break; | |
561 | case AUTH_PR_NOECHO: | |
562 | code = 301; | |
563 | break; | |
564 | case AUTH_PR_ECHO: | |
565 | code = 302; | |
566 | break; | |
567 | case AUTH_PR_INFO: | |
568 | code = 303; | |
569 | break; | |
570 | case AUTH_PR_ERROR: | |
571 | code = 304; | |
572 | break; | |
573 | } | |
f7292a8b | 574 | sq(sk, 0, L"%i", code, data->auth->text, NULL); |
d3372da9 | 575 | break; |
576 | case AUTH_ERR: | |
f7292a8b | 577 | sq(sk, 0, L"505", L"System error", L"%s", strerror(errno), NULL); |
d3372da9 | 578 | logout(data); |
579 | break; | |
580 | default: | |
581 | flog(LOG_WARNING, "BUG? Non-caught return from authenticate in cmd_pass"); | |
f7292a8b | 582 | sq(sk, 0, L"505", L"System error", L"%s", strerror(errno), NULL); |
d3372da9 | 583 | logout(data); |
584 | break; | |
585 | } | |
586 | free(buf); | |
587 | } | |
588 | ||
589 | static void cmd_fnetconnect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) | |
590 | { | |
591 | int i; | |
592 | char *buf; | |
593 | int err; | |
594 | struct fnetnode *fn; | |
efc05613 | 595 | struct wcspair *args; |
d3372da9 | 596 | |
597 | haveargs(3); | |
598 | havepriv(PERM_FNETCTL); | |
dd31fcfa | 599 | for(i = 0, fn = fnetnodes; fn != NULL; i++, fn = fn->next); |
600 | if((confgetint("fnet", "maxnodes") > 0) && (i >= confgetint("fnet", "maxnodes"))) { | |
601 | sq(sk, 0, L"515", L"Too many fnetnodes connected already", NULL); | |
602 | return; | |
603 | } | |
d3372da9 | 604 | if((buf = icwcstombs(argv[2], NULL)) == NULL) |
605 | { | |
606 | sq(sk, 0, L"504", L"Could not convert data to locale charset", NULL); | |
607 | return; | |
608 | } | |
efc05613 | 609 | args = NULL; |
610 | for(i = 3; i < argc - 1; i += 2) | |
611 | newwcspair(argv[i], argv[i + 1], &args); | |
a3a4a3a7 | 612 | fn = fnetinitconnect(argv[1], data->userinfo->name, buf, args); |
d3372da9 | 613 | err = errno; |
614 | free(buf); | |
615 | if(fn == NULL) | |
616 | { | |
617 | if(errno == EPROTONOSUPPORT) | |
618 | sq(sk, 0, L"511", L"No such network name", NULL); | |
619 | else | |
f7292a8b | 620 | sq(sk, 0, L"509", L"Could not parse the address", L"%s", strerror(err), NULL); |
d3372da9 | 621 | return; |
622 | } | |
d3372da9 | 623 | linkfnetnode(fn); |
624 | fnetsetname(fn, argv[2]); | |
f7292a8b | 625 | sq(sk, 0, L"200", L"%i", fn->id, L"Connection under way", NULL); |
d3372da9 | 626 | putfnetnode(fn); |
d3372da9 | 627 | } |
628 | ||
629 | static void cmd_lsnodes(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) | |
630 | { | |
631 | struct fnetnode *fn; | |
632 | ||
633 | if(fnetnodes == NULL) | |
634 | { | |
635 | sq(sk, 0, L"201", L"No connected nodes", NULL); | |
636 | return; | |
637 | } | |
638 | for(fn = fnetnodes; fn != NULL; fn = fn->next) | |
639 | { | |
f7292a8b | 640 | sq(sk, (fn->next != NULL)?1:0, L"200", L"%i", fn->id, fn->fnet->name, (fn->name == NULL)?L"":fn->name, L"%i", fn->numpeers, L"%i", fn->state, L"%ls", fn->pubid, NULL); |
d3372da9 | 641 | } |
642 | } | |
643 | ||
644 | static void cmd_disconnect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) | |
645 | { | |
646 | struct fnetnode *fn; | |
647 | int i; | |
648 | ||
649 | haveargs(2); | |
650 | havepriv(PERM_FNETCTL); | |
651 | /* Note - Programmatical user interfaces must only give one | |
652 | * argument per command, the multiple argument form is only for | |
653 | * convenience when manually controlling the daemon via | |
654 | * eg. telnet. The reason is that the return codes aren't clear | |
655 | * enough for the multiple argument form. */ | |
656 | for(i = 1; i < argc; i++) | |
657 | { | |
658 | if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL) | |
659 | { | |
660 | sq(sk, 0, L"510", L"No such node", NULL); | |
661 | return; | |
662 | } | |
18603153 | 663 | if(wpfind(fn->args, L"locked") && !((data->userinfo->perms & PERM_ADMIN) || !wcscmp(data->userinfo->name, fn->owner))) |
664 | { | |
665 | sq(sk, 0, L"502", L"This node is locked and you are neither administrator nor its owner", NULL); | |
666 | return; | |
667 | } | |
d3372da9 | 668 | killfnetnode(fn); |
669 | unlinkfnetnode(fn); | |
670 | } | |
671 | sq(sk, 0, L"200", L"Node flagged for disconnection", NULL); | |
672 | } | |
673 | ||
674 | static void cmd_lspa(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) | |
675 | { | |
676 | struct fnetnode *fn; | |
677 | struct fnetpeerdatum *datum; | |
678 | ||
679 | haveargs(2); | |
680 | if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL) | |
681 | { | |
682 | sq(sk, 0, L"510", L"No such node", NULL); | |
683 | return; | |
684 | } | |
685 | if(fn->peerdata == NULL) | |
686 | { | |
687 | sq(sk, 0, L"201", L"No data available", NULL); | |
688 | } else { | |
689 | for(datum = fn->peerdata; datum != NULL; datum = datum->next) | |
f7292a8b | 690 | sq(sk, (datum->next != NULL)?1:0, L"200", datum->id, L"%i", datum->datatype, NULL); |
d3372da9 | 691 | } |
692 | } | |
693 | ||
694 | static void cmd_lspeers(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) | |
695 | { | |
696 | int i; | |
697 | struct fnetnode *fn; | |
0e227c1d | 698 | struct fnetpeer *peer, *npeer; |
d3372da9 | 699 | |
700 | haveargs(2); | |
701 | if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL) | |
702 | { | |
703 | sq(sk, 0, L"510", L"No such node", NULL); | |
704 | return; | |
705 | } | |
706 | if(fn->peers == NULL) | |
707 | { | |
821e3843 | 708 | sq(sk, 0, L"201", L"No peers available", NULL); |
d3372da9 | 709 | } else { |
0e227c1d | 710 | for(peer = btreeiter(fn->peers); peer != NULL; peer = npeer) |
d3372da9 | 711 | { |
0e227c1d FT |
712 | npeer = btreeiter(NULL); |
713 | sq(sk, 2 | ((npeer != NULL)?1:0), L"200", L"%ls", peer->id, L"%ls", peer->nick, NULL); | |
d3372da9 | 714 | for(i = 0; i < peer->dinum; i++) |
715 | { | |
716 | if(peer->peerdi[i].datum->datatype == FNPD_INT) | |
f7292a8b | 717 | sq(sk, 2, peer->peerdi[i].datum->id, L"%i", peer->peerdi[i].data.num, NULL); |
d3372da9 | 718 | if(peer->peerdi[i].datum->datatype == FNPD_LL) |
f7292a8b | 719 | sq(sk, 2, peer->peerdi[i].datum->id, L"%ll", peer->peerdi[i].data.lnum, NULL); |
d3372da9 | 720 | if((peer->peerdi[i].datum->datatype == FNPD_STR) && (peer->peerdi[i].data.str != NULL)) |
f7292a8b | 721 | sq(sk, 2, peer->peerdi[i].datum->id, L"%ls", peer->peerdi[i].data.str, NULL); |
d3372da9 | 722 | } |
723 | sq(sk, 0, NULL); | |
724 | } | |
725 | } | |
726 | } | |
727 | ||
728 | static void cmd_download(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) | |
729 | { | |
730 | int i; | |
731 | struct fnet *net; | |
732 | struct fnetnode *fn; | |
733 | struct transfer *transfer; | |
734 | struct fnetpeer *peer; | |
735 | ||
736 | haveargs(4); | |
737 | if((argc > 5) && ((argc % 2) == 0)) | |
738 | { | |
739 | sq(sk, 0, L"501", L"Must have an even number of arguments", NULL); | |
740 | return; | |
741 | } | |
742 | havepriv(PERM_TRANS); | |
743 | if((*(argv[1]) >= L'0') && (*(argv[1]) <= L'9')) | |
744 | { | |
745 | if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL) | |
746 | { | |
747 | sq(sk, 0, L"510", L"No such node", NULL); | |
748 | return; | |
749 | } | |
750 | net = fn->fnet; | |
751 | } else { | |
752 | fn = NULL; | |
753 | if((net = findfnet(argv[1])) == NULL) | |
754 | { | |
755 | sq(sk, 0, L"511", L"No such network name", NULL); | |
756 | return; | |
757 | } | |
758 | } | |
759 | transfer = newtransfer(); | |
760 | authgethandle(transfer->auth = data->auth); | |
761 | transfer->fnet = net; | |
762 | transfer->peerid = swcsdup(argv[2]); | |
763 | transfer->path = swcsdup(argv[3]); | |
764 | transfer->dir = TRNSD_DOWN; | |
765 | transfer->owner = data->uid; | |
766 | if(fn != NULL) | |
767 | { | |
768 | transfer->fn = fn; | |
769 | getfnetnode(fn); | |
770 | linktransfer(transfer); | |
771 | if(((peer = fnetfindpeer(fn, transfer->peerid)) != NULL) && (peer->nick != NULL)) | |
772 | transfersetnick(transfer, peer->nick); | |
773 | } else { | |
774 | linktransfer(transfer); | |
775 | } | |
776 | if(argc > 4) | |
dcf7a1a2 | 777 | transfersetsize(transfer, wcstoll(argv[4], NULL, 0)); |
d3372da9 | 778 | if(argc > 5) |
779 | { | |
780 | for(i = 5; i < argc; i += 2) | |
5123bec0 | 781 | { |
782 | if(!wcscmp(argv[i], L"hash")) | |
783 | { | |
a04fc9ff | 784 | transfersethash(transfer, parsehash(argv[i + 1])); |
5123bec0 | 785 | } else { |
9ec790e8 | 786 | newwcspair(argv[i], argv[i + 1], &transfer->args); |
5123bec0 | 787 | } |
788 | } | |
d3372da9 | 789 | } |
f7292a8b | 790 | sq(sk, 0, L"200", L"%i", transfer->id, L"Download queued", NULL); |
d3372da9 | 791 | transfersetactivity(transfer, L"create"); |
792 | } | |
793 | ||
794 | static void cmd_lstrans(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) | |
795 | { | |
796 | struct transfer *transfer, *pt; | |
797 | ||
798 | havepriv(PERM_TRANS); | |
799 | pt = NULL; | |
800 | for(transfer = transfers; transfer != NULL; transfer = transfer->next) | |
801 | { | |
802 | if((transfer->dir != TRNSD_DOWN) || (transfer->owner == data->uid)) | |
803 | { | |
804 | if(pt != NULL) | |
f7292a8b | 805 | sq(sk, 1, L"200", L"%i", pt->id, L"%i", pt->dir, |
806 | L"%i", pt->state, pt->peerid, | |
d3372da9 | 807 | (pt->peernick == NULL)?L"":(pt->peernick), |
808 | (pt->path == NULL)?L"":(pt->path), | |
dcf7a1a2 | 809 | L"%oi", pt->size, L"%oi", pt->curpos, |
5123bec0 | 810 | (pt->hash == NULL)?L"":unparsehash(pt->hash), |
d3372da9 | 811 | NULL); |
812 | pt = transfer; | |
813 | } | |
814 | } | |
815 | if(pt == NULL) | |
816 | sq(sk, 0, L"201", L"No transfers", NULL); | |
817 | else | |
f7292a8b | 818 | sq(sk, 0, L"200", L"%i", pt->id, L"%i", pt->dir, |
819 | L"%i", pt->state, pt->peerid, | |
d3372da9 | 820 | (pt->peernick == NULL)?L"":(pt->peernick), |
821 | (pt->path == NULL)?L"":(pt->path), | |
dcf7a1a2 | 822 | L"%oi", pt->size, L"%oi", pt->curpos, |
5123bec0 | 823 | (pt->hash == NULL)?L"":unparsehash(pt->hash), |
d3372da9 | 824 | NULL); |
825 | } | |
826 | ||
827 | static void cmd_cancel(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) | |
828 | { | |
829 | struct transfer *transfer; | |
830 | ||
831 | haveargs(2); | |
832 | havepriv(PERM_TRANS); | |
833 | if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL) | |
834 | { | |
835 | sq(sk, 0, L"512", L"No such transfer", NULL); | |
836 | return; | |
837 | } | |
838 | if((transfer->dir == TRNSD_UP) && !(data->userinfo->perms & PERM_TRANSCU)) | |
839 | { | |
840 | sq(sk, 0, L"502", L"You are not allowed to cancel uploads", NULL); | |
841 | return; | |
842 | } | |
843 | if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid)) | |
844 | { | |
845 | sq(sk, 0, L"502", L"You do not own that transfer", NULL); | |
846 | return; | |
847 | } | |
848 | transfer->close = 1; | |
849 | sq(sk, 0, L"200", L"Transfer cancelled", NULL); | |
850 | } | |
851 | ||
4a9a79b3 | 852 | static void cmd_reset(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
853 | { | |
854 | struct transfer *transfer; | |
855 | ||
856 | haveargs(2); | |
857 | havepriv(PERM_TRANS); | |
858 | if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL) | |
859 | { | |
860 | sq(sk, 0, L"512", L"No such transfer", NULL); | |
861 | return; | |
862 | } | |
863 | if(transfer->dir == TRNSD_UP) | |
864 | { | |
865 | sq(sk, 0, L"512", L"Only applicable to downloads", NULL); | |
866 | return; | |
867 | } | |
868 | resettransfer(transfer); | |
869 | sq(sk, 0, L"200", L"Transfer reset", NULL); | |
870 | } | |
871 | ||
d3372da9 | 872 | static void cmd_notify(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
873 | { | |
874 | int i, val; | |
875 | ||
876 | if((argc % 2) != 1) | |
877 | { | |
878 | sq(sk, 0, L"501", L"Must have an even number of arguments", NULL); | |
879 | return; | |
880 | } | |
881 | for(i = 1; i < argc; i += 2) | |
882 | { | |
883 | if(!wcscasecmp(argv[i + 1], L"on")) | |
884 | val = 1; | |
885 | else | |
886 | val = 0; | |
887 | if(!wcscasecmp(argv[i], L"all")) | |
888 | { | |
889 | if(val) | |
890 | data->notify.w = ~0; | |
891 | else | |
892 | data->notify.w = 0; | |
893 | } else if(!wcscasecmp(argv[i], L"fn:chat")) { | |
894 | data->notify.b.fnchat = val; | |
895 | } else if(!wcscasecmp(argv[i], L"fn:act")) { | |
896 | data->notify.b.fnact = val; | |
ba86d49a | 897 | } else if(!wcscasecmp(argv[i], L"fn:peer")) { |
898 | data->notify.b.fnpeer = val; | |
d3372da9 | 899 | } else if(!wcscasecmp(argv[i], L"trans:act")) { |
900 | data->notify.b.tract = val; | |
901 | } else if(!wcscasecmp(argv[i], L"trans:prog")) { | |
902 | data->notify.b.trprog = val; | |
903 | } else if(!wcscasecmp(argv[i], L"srch:act")) { | |
904 | data->notify.b.srch = val; | |
5f151349 | 905 | } else if(!wcscasecmp(argv[i], L"msg")) { |
906 | data->notify.b.msg = val; | |
d3372da9 | 907 | } |
908 | } | |
909 | sq(sk, 0, L"200", L"Notification alteration succeeded", NULL); | |
910 | } | |
911 | ||
912 | static void cmd_sendchat(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) | |
913 | { | |
914 | struct fnetnode *fn; | |
915 | int public; | |
916 | ||
917 | haveargs(5); | |
918 | havepriv(PERM_CHAT); | |
919 | if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL) | |
920 | { | |
921 | sq(sk, 0, L"510", L"No such node", NULL); | |
922 | return; | |
923 | } | |
924 | public = wcstol(argv[2], NULL, 0); | |
925 | if((public != 0) && (public != 1)) | |
926 | { | |
927 | sq(sk, 0, L"509", L"Second argument must be 0 or 1", NULL); | |
928 | return; | |
929 | } | |
930 | if(fn->state != FNN_EST) | |
931 | { | |
932 | sq(sk, 0, L"513", L"Hub is in state FNN_EST", NULL); | |
933 | return; | |
934 | } | |
935 | if(fnetsendchat(fn, public, argv[3], argv[4])) | |
936 | { | |
937 | if(errno == ENOTSUP) | |
938 | sq(sk, 0, L"513", L"This network does not support chatting", NULL); | |
939 | else if(errno == EPERM) | |
940 | sq(sk, 0, L"502", L"This node does not allow you to chat", NULL); | |
941 | else if(errno == EILSEQ) | |
942 | sq(sk, 0, L"504", L"This network could not support all the characters in that message", NULL); | |
943 | else | |
944 | sq(sk, 0, L"505", L"Could not chat", NULL); | |
945 | return; | |
946 | } | |
947 | sq(sk, 0, L"200", L"Chat string sent", NULL); | |
948 | } | |
949 | ||
950 | static void cmd_search(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) | |
951 | { | |
952 | struct search *srch; | |
953 | struct fnetnode *fn; | |
954 | struct sexpr *sexpr; | |
955 | int i; | |
956 | ||
957 | haveargs(3); | |
958 | havepriv(PERM_SRCH); | |
959 | srch = newsearch(data->username, NULL); | |
960 | for(i = 1; i < argc; i++) | |
961 | { | |
962 | if(!wcscmp(argv[i], L"all")) | |
963 | { | |
964 | for(fn = fnetnodes; fn != NULL; fn = fn->next) | |
965 | { | |
966 | if(fn->state == FNN_EST) | |
967 | searchaddfn(srch, fn); | |
968 | } | |
969 | i++; | |
970 | break; | |
971 | } else if(!wcscmp(argv[i], L"prio")) { | |
972 | if(++i == argc) | |
973 | { | |
974 | sq(sk, 0, L"501", L"No argument to prio", NULL); | |
975 | freesearch(srch); | |
976 | return; | |
977 | } | |
978 | srch->prio = wcstol(argv[i], NULL, 0); | |
979 | } else if(iswdigit(*argv[i])) { | |
980 | if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL) | |
981 | { | |
982 | sq(sk, 0, L"510", L"No such node", NULL); | |
983 | freesearch(srch); | |
984 | return; | |
985 | } | |
986 | searchaddfn(srch, fn); | |
987 | } else { | |
988 | break; | |
989 | } | |
990 | } | |
991 | if(srch->fnl == NULL) | |
992 | { | |
993 | sq(sk, 0, L"501", L"No fnetnodes to search found on line", NULL); | |
994 | freesearch(srch); | |
995 | return; | |
996 | } | |
997 | if(i == argc) | |
998 | { | |
999 | sq(sk, 0, L"501", L"No search expression found on line", NULL); | |
1000 | freesearch(srch); | |
1001 | return; | |
1002 | } | |
1003 | if((sexpr = parsesexpr(argc - i, argv + i)) == NULL) | |
1004 | { | |
1005 | sq(sk, 0, L"509", L"Could not parse search expression", NULL); | |
1006 | freesearch(srch); | |
1007 | return; | |
1008 | } | |
1009 | optsexpr(sexpr); | |
1010 | getsexpr(srch->sexpr = sexpr); | |
1011 | queuesearch(srch); | |
1012 | CBREG(srch, search_eta, srcheta, NULL, NULL); | |
1013 | CBREG(srch, search_commit, srchcommit, NULL, NULL); | |
1014 | CBREG(srch, search_result, srchres, NULL, NULL); | |
f7292a8b | 1015 | sq(sk, 0, L"200", L"%i", srch->id, L"%i", srch->eta - time(NULL), NULL); |
d3372da9 | 1016 | putsexpr(sexpr); |
1017 | } | |
1018 | ||
1019 | static void cmd_lssrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) | |
1020 | { | |
1021 | struct search *srch, *pt; | |
1022 | time_t now; | |
1023 | ||
1024 | havepriv(PERM_SRCH); | |
1025 | pt = NULL; | |
1026 | now = time(NULL); | |
1027 | for(srch = searches; srch != NULL; srch = srch->next) | |
1028 | { | |
1029 | if(!wcscmp(srch->owner, data->username)) | |
1030 | { | |
1031 | if(pt != NULL) | |
f7292a8b | 1032 | sq(sk, 1, L"200", L"%i", pt->id, L"%i", pt->state, L"%i", pt->eta - now, L"%i", pt->numres, NULL); |
d3372da9 | 1033 | pt = srch; |
1034 | } | |
1035 | } | |
1036 | if(pt == NULL) | |
1037 | sq(sk, 0, L"201", L"No searches", NULL); | |
1038 | else | |
f7292a8b | 1039 | sq(sk, 0, L"200", L"%i", pt->id, L"%i", pt->state, L"%i", pt->eta - now, L"%i", pt->numres, NULL); |
d3372da9 | 1040 | } |
1041 | ||
1042 | static void cmd_lssr(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) | |
1043 | { | |
1044 | struct search *srch; | |
1045 | struct srchres *sr; | |
d3372da9 | 1046 | |
1047 | haveargs(2); | |
1048 | havepriv(PERM_SRCH); | |
1049 | if((srch = findsearch(wcstol(argv[1], NULL, 0))) == NULL) | |
1050 | { | |
1051 | sq(sk, 0, L"514", L"No such search", NULL); | |
1052 | return; | |
1053 | } | |
1054 | if(srch->results == NULL) | |
1055 | { | |
1056 | sq(sk, 0, L"201", L"No results", NULL); | |
1057 | } else { | |
1058 | for(sr = srch->results; sr != NULL; sr = sr->next) | |
1059 | { | |
f7292a8b | 1060 | sq(sk, (sr->next != NULL)?1:0, L"200", L"%ls", sr->filename, |
dcf7a1a2 | 1061 | sr->fnet->name, L"%ls", sr->peerid, L"%oi", sr->size, |
f7292a8b | 1062 | L"%i", sr->slots, L"%i", (sr->fn == NULL)?-1:(sr->fn->id), |
1063 | L"%f", sr->time, | |
1064 | L"%ls", (sr->hash == NULL)?L"":unparsehash(sr->hash), NULL); | |
d3372da9 | 1065 | } |
1066 | } | |
1067 | } | |
1068 | ||
1069 | static void cmd_cansrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) | |
1070 | { | |
1071 | struct search *srch; | |
1072 | int i; | |
1073 | ||
1074 | haveargs(2); | |
1075 | havepriv(PERM_SRCH); | |
1076 | /* Note - Programmatical user interfaces must only give one | |
1077 | * argument per command, the multiple argument form is only for | |
1078 | * convenience when manually controlling the daemon via | |
1079 | * eg. telnet. The reason is that the return codes aren't clear | |
1080 | * enough for the multiple argument form. */ | |
1081 | for(i = 1; i < argc; i++) | |
1082 | { | |
1083 | if((srch = findsearch(wcstol(argv[i], NULL, 0))) == NULL) | |
1084 | { | |
1085 | sq(sk, 0, L"514", L"No such search", NULL); | |
1086 | return; | |
1087 | } | |
1088 | freesearch(srch); | |
1089 | } | |
1090 | sq(sk, 0, L"200", L"Search cancelled", NULL); | |
1091 | } | |
1092 | ||
cab0b442 | 1093 | static void fcmdread(struct socket *sk, struct uidata *data) |
d3372da9 | 1094 | { |
1095 | char *buf; | |
1096 | size_t bufsize; | |
1097 | ||
1098 | if((buf = sockgetinbuf(sk, &bufsize)) == NULL) | |
cab0b442 | 1099 | return; |
d3372da9 | 1100 | bufcat(data->fcmdbuf, buf, bufsize); |
1101 | free(buf); | |
1102 | } | |
1103 | ||
cab0b442 | 1104 | static void fcmderr(struct socket *sk, int err, struct uidata *data) |
d3372da9 | 1105 | { |
1106 | wchar_t *wbuf, *p, *p2; | |
1107 | ||
1108 | if(err) | |
1109 | { | |
1110 | flog(LOG_WARNING, "error occurred on filtercmd pipe socket: %s", strerror(err)); | |
1111 | kill(-data->fcmdpid, SIGHUP); | |
1112 | putsock(data->fcmdsk); | |
1113 | data->fcmdsk = NULL; | |
1114 | if(data->fcmdbuf != NULL) | |
1115 | { | |
1116 | free(data->fcmdbuf); | |
1117 | data->fcmdbuf = NULL; | |
1118 | } | |
1119 | data->fcmdbufsize = data->fcmdbufdata = 0; | |
f7292a8b | 1120 | sq(data->sk, 0, L"505", L"An error occurred on the pipe to the filtercmd", L"%s", strerror(err), NULL); |
cab0b442 | 1121 | return; |
d3372da9 | 1122 | } |
1123 | putsock(data->fcmdsk); | |
1124 | data->fcmdsk = NULL; | |
1125 | data->fcmdpid = 0; | |
1126 | if(data->fcmdbuf == NULL) | |
1127 | { | |
1128 | wbuf = swcsdup(L""); | |
1129 | } else { | |
1130 | addtobuf(data->fcmdbuf, 0); | |
1131 | wbuf = icmbstowcs(data->fcmdbuf, NULL); | |
1132 | free(data->fcmdbuf); | |
1133 | } | |
1134 | data->fcmdbuf = NULL; | |
1135 | data->fcmdbufsize = data->fcmdbufdata = 0; | |
1136 | if(wbuf == NULL) | |
1137 | { | |
1138 | sq(data->sk, 0, L"504", L"Filtercmd sent data which could not be converted from the local charset", NULL); | |
cab0b442 | 1139 | return; |
d3372da9 | 1140 | } |
1141 | p = wbuf; | |
1142 | for(p2 = wcschr(p, L'\n'); p2 != NULL; p2 = wcschr(p, L'\n')) | |
1143 | { | |
1144 | *(p2++) = L'\0'; | |
f7292a8b | 1145 | sq(data->sk, (*p2 == L'\0')?0:1, L"200", L"%ls", p, NULL); |
d3372da9 | 1146 | p = p2; |
1147 | } | |
1148 | if(*p == L'\0') | |
1149 | { | |
1150 | if(p == wbuf) | |
1151 | sq(data->sk, 0, L"201", L"No data returned", NULL); | |
1152 | } else { | |
f7292a8b | 1153 | sq(data->sk, 0, L"200", L"%ls", p, NULL); |
d3372da9 | 1154 | } |
1155 | free(wbuf); | |
1156 | } | |
1157 | ||
1158 | static void cmd_filtercmd(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) | |
1159 | { | |
1160 | int i; | |
1161 | pid_t pid; | |
1162 | int pipe; | |
1163 | char **cargv, **pp; | |
1164 | char *filtercmd, *argbuf; | |
1165 | size_t cargvsize, cargvdata; | |
1166 | struct passwd *pwent; | |
1167 | ||
1168 | haveargs(2); | |
1169 | havepriv(PERM_TRANS); | |
1170 | if((pwent = getpwuid(data->uid)) == NULL) | |
1171 | { | |
1172 | flog(LOG_WARNING, "no passwd entry for UI user %i", data->uid); | |
1173 | sq(sk, 0, L"505", L"System error - Could not fork session", "Internal error", NULL); | |
1174 | return; | |
1175 | } | |
c0845d5b | 1176 | filtercmd = findfile("dc-filtercmd", pwent->pw_dir, 0); |
ddb933f1 | 1177 | if(filtercmd == NULL) |
c0845d5b | 1178 | filtercmd = findfile(icswcstombs(confgetstr("ui", "filtercmd"), NULL, NULL), NULL, 0); |
ddb933f1 | 1179 | if(filtercmd == NULL) |
d3372da9 | 1180 | { |
1181 | flog(LOG_WARNING, "could not find filtercmd executable for user %s", pwent->pw_name); | |
1182 | sq(sk, 0, L"505", L"System error - Could not fork session", L"Could not find filtercmd executable", NULL); | |
1183 | return; | |
1184 | } | |
1185 | cargv = NULL; | |
1186 | cargvsize = cargvdata = 0; | |
1187 | addtobuf(cargv, filtercmd); | |
1188 | for(i = 1; i < argc; i++) | |
1189 | { | |
1190 | if((argbuf = icwcstombs(argv[i], NULL)) == NULL) | |
1191 | { | |
1192 | for(i = 0; i < cargvdata; i++) | |
1193 | free(cargv[i]); | |
1194 | free(cargv); | |
f7292a8b | 1195 | sq(sk, 0, L"504", L"Could not convert argument into local character set", L"%i", i, L"%s", strerror(errno), NULL); |
d3372da9 | 1196 | return; |
1197 | } | |
1198 | addtobuf(cargv, argbuf); | |
1199 | } | |
1200 | addtobuf(cargv, NULL); | |
1201 | if((pid = forksess(data->uid, data->auth, NULL, NULL, FD_FILE, 0, O_RDWR, "/dev/null", FD_PIPE, 1, O_RDONLY, &pipe, FD_FILE, 2, O_RDWR, "/dev/null", FD_END)) < 0) | |
1202 | { | |
1203 | flog(LOG_WARNING, "could not fork session in filtercmd: %s", strerror(errno)); | |
f7292a8b | 1204 | sq(sk, 0, L"505", L"System error - Could not fork session", L"%s", strerror(errno), NULL); |
d3372da9 | 1205 | return; |
1206 | } | |
1207 | if(pid == 0) | |
1208 | { | |
1209 | execv(filtercmd, cargv); | |
1210 | flog(LOG_WARNING, "could not exec filtercmd %s: %s", filtercmd, strerror(errno)); | |
1211 | exit(127); | |
1212 | } | |
1213 | for(pp = cargv; *pp; pp++) | |
1214 | free(*pp); | |
1215 | free(cargv); | |
1216 | data->fcmdsk = wrapsock(pipe); | |
1217 | data->fcmdpid = pid; | |
1218 | if(data->fcmdbuf != NULL) | |
1219 | { | |
1220 | free(data->fcmdbuf); | |
1221 | data->fcmdbuf = NULL; | |
1222 | } | |
1223 | data->fcmdbufsize = data->fcmdbufdata = 0; | |
cab0b442 | 1224 | data->fcmdsk->data = data; |
1225 | data->fcmdsk->readcb = (void (*)(struct socket *, void *))fcmdread; | |
1226 | data->fcmdsk->errcb = (void (*)(struct socket *, int, void *))fcmderr; | |
d3372da9 | 1227 | } |
1228 | ||
1229 | static void cmd_lstrarg(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) | |
1230 | { | |
1231 | struct transfer *transfer; | |
9ec790e8 | 1232 | struct wcspair *ta; |
d3372da9 | 1233 | |
1234 | haveargs(2); | |
1235 | havepriv(PERM_TRANS); | |
1236 | if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL) | |
1237 | { | |
1238 | sq(sk, 0, L"512", L"No such transfer", NULL); | |
1239 | return; | |
1240 | } | |
1241 | if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid)) | |
1242 | { | |
1243 | sq(sk, 0, L"502", L"You do not own that transfer", NULL); | |
1244 | return; | |
1245 | } | |
1246 | if(transfer->args == NULL) | |
1247 | { | |
1248 | sq(sk, 0, L"201", L"Transfer has no arguments", NULL); | |
1249 | } else { | |
1250 | for(ta = transfer->args; ta != NULL; ta = ta->next) | |
f7292a8b | 1251 | sq(sk, ta->next != NULL, L"200", L"%ls", ta->key, L"%ls", ta->val, NULL); |
d3372da9 | 1252 | } |
1253 | } | |
1254 | ||
1255 | static void cmd_hashstatus(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) | |
1256 | { | |
1257 | struct sharecache *node; | |
1258 | int total, hashed; | |
1259 | ||
1260 | total = hashed = 0; | |
1261 | for(node = shareroot->child; node != NULL; node = nextscnode(node)) | |
1262 | { | |
1263 | if(node->f.b.type == FILE_REG) | |
1264 | { | |
1265 | total++; | |
1266 | if(node->f.b.hastth) | |
1267 | hashed++; | |
1268 | } | |
1269 | } | |
f7292a8b | 1270 | sq(sk, 0, L"200", L"%i", total, L"tth", L"%i", hashed, NULL); |
d3372da9 | 1271 | } |
1272 | ||
796283c6 | 1273 | static void cmd_transstatus(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
1274 | { | |
796283c6 | 1275 | havepriv(PERM_TRANS); |
f7292a8b | 1276 | sq(sk, 0, L"200", L"down", L"%ll", bytesdownload, L"up", L"%ll", bytesupload, NULL); |
796283c6 | 1277 | } |
1278 | ||
5f151349 | 1279 | static void cmd_register(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
1280 | { | |
1281 | struct uidata *d2; | |
1282 | ||
1283 | haveargs(2); | |
1284 | if(data->userinfo == NULL) { | |
1285 | sq(sk, 0, L"502", L"Must be logged in", NULL); | |
1286 | return; | |
1287 | } | |
1288 | if(argv[1][0] == L'#') { | |
1289 | sq(sk, 0, L"509", L"Name must not begin with a hash sign", NULL); | |
1290 | return; | |
1291 | } | |
1292 | for(d2 = actives; d2 != NULL; d2 = d2->next) { | |
7b2663a4 | 1293 | if((d2 != data) && (d2->userinfo == data->userinfo) && d2->regname && !wcscmp(d2->regname, argv[1])) { |
5f151349 | 1294 | sq(sk, 0, L"516", L"Name already in use", NULL); |
1295 | return; | |
1296 | } | |
1297 | } | |
1298 | if(data->regname != NULL) | |
1299 | free(data->regname); | |
1300 | data->regname = swcsdup(argv[1]); | |
1301 | sq(sk, 0, L"200", L"Registered", NULL); | |
1302 | } | |
1303 | ||
1304 | static void cmd_sendmsg(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) | |
1305 | { | |
1306 | int i, rcptid; | |
1307 | struct uidata *rcpt; | |
1308 | wchar_t *myname; | |
1309 | struct notif *notif; | |
1310 | ||
1311 | haveargs(2); | |
1312 | if(data->userinfo == NULL) { | |
1313 | sq(sk, 0, L"502", L"Must be logged in", NULL); | |
1314 | return; | |
1315 | } | |
1316 | if(argv[1][0] == L'#') { | |
1317 | rcptid = wcstol(argv[1] + 1, NULL, 0); | |
1318 | for(rcpt = actives; rcpt != NULL; rcpt = rcpt->next) { | |
7b2663a4 | 1319 | if((rcpt->userinfo == data->userinfo) && (rcpt->id == rcptid)) |
5f151349 | 1320 | break; |
1321 | } | |
1322 | } else { | |
1323 | for(rcpt = actives; rcpt != NULL; rcpt = rcpt->next) { | |
7b2663a4 | 1324 | if((rcpt->userinfo == data->userinfo) && rcpt->regname && !wcscmp(rcpt->regname, argv[1])) |
5f151349 | 1325 | break; |
1326 | } | |
1327 | } | |
1328 | if(rcpt == NULL) { | |
1329 | sq(sk, 0, L"517", L"No such recipient", NULL); | |
1330 | return; | |
1331 | } | |
1332 | if(!rcpt->notify.b.msg) { | |
1333 | sq(sk, 0, L"518", L"Recipient not listening for messages", NULL); | |
1334 | return; | |
1335 | } | |
1336 | if(data->regname != NULL) | |
1337 | myname = swcsdup(data->regname); | |
1338 | else | |
1339 | myname = swprintf2(L"#%i", data->id); | |
1340 | notif = newnotif(rcpt, 640, NOTIF_STR, myname, NOTIF_END); | |
1341 | for(i = 2; i < argc; i++) | |
1342 | notifappend(notif, NOTIF_STR, argv[i], NOTIF_END); | |
1343 | sq(sk, 0, L"200", L"Message sent", NULL); | |
1344 | } | |
1345 | ||
9a64a4f7 | 1346 | static void cmd_uptime(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
1347 | { | |
f7292a8b | 1348 | sq(sk, 0, L"200", L"%i", time(NULL) - starttime, NULL); |
9a64a4f7 | 1349 | } |
1350 | ||
c45c9b79 | 1351 | static void cmd_hup(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) |
1352 | { | |
1353 | extern volatile int reinit; | |
1354 | ||
1355 | havepriv(PERM_ADMIN); | |
1356 | flog(LOG_NOTICE, "UI HUP request from %ls", data->username); | |
1357 | reinit = 1; | |
1358 | sq(sk, 0, L"200", L"Will reinit", NULL); | |
1359 | } | |
1360 | ||
d3372da9 | 1361 | #undef haveargs |
1362 | #undef havepriv | |
1363 | ||
1364 | /* | |
1365 | * Reserved command numbers for nameless commands: | |
1366 | * 0: Issued when a client has connected | |
1367 | * 1: Issued when a named command couldn't be found | |
1368 | */ | |
1369 | ||
1370 | static struct command commands[] = | |
1371 | { | |
1372 | {NULL, cmd_connect}, | |
1373 | {NULL, cmd_notfound}, | |
1374 | {L"shutdown", cmd_shutdown}, | |
1375 | {L"quit", cmd_quit}, | |
1376 | {L"lsauth", cmd_lsauth}, | |
1377 | {L"login", cmd_login}, | |
1378 | {L"pass", cmd_pass}, | |
1379 | {L"cnct", cmd_fnetconnect}, | |
1380 | {L"lsnodes", cmd_lsnodes}, | |
1381 | {L"dcnct", cmd_disconnect}, | |
1382 | {L"lspa", cmd_lspa}, | |
1383 | {L"lspeers", cmd_lspeers}, | |
1384 | {L"download", cmd_download}, | |
1385 | {L"lstrans", cmd_lstrans}, | |
1386 | {L"cancel", cmd_cancel}, | |
4a9a79b3 | 1387 | {L"reset", cmd_reset}, |
d3372da9 | 1388 | {L"notify", cmd_notify}, |
1389 | {L"sendchat", cmd_sendchat}, | |
1390 | {L"search", cmd_search}, | |
1391 | {L"lssrch", cmd_lssrch}, | |
1392 | {L"lssr", cmd_lssr}, | |
1393 | {L"cansrch", cmd_cansrch}, | |
1394 | {L"filtercmd", cmd_filtercmd}, | |
1395 | {L"lstrarg", cmd_lstrarg}, | |
1396 | {L"hashstatus", cmd_hashstatus}, | |
796283c6 | 1397 | {L"transstatus", cmd_transstatus}, |
5f151349 | 1398 | {L"register", cmd_register}, |
1399 | {L"sendmsg", cmd_sendmsg}, | |
9a64a4f7 | 1400 | {L"uptime", cmd_uptime}, |
c45c9b79 | 1401 | {L"hup", cmd_hup}, |
d3372da9 | 1402 | {NULL, NULL} |
1403 | }; | |
1404 | ||
1405 | static void freequeuecmd(struct qcommand *qcmd) | |
1406 | { | |
1407 | int i; | |
1408 | ||
1409 | if(qcmd->argv != NULL) | |
1410 | { | |
1411 | for(i = 0; i < qcmd->argc; i++) | |
1412 | free(qcmd->argv[i]); | |
1413 | free(qcmd->argv); | |
1414 | } | |
1415 | free(qcmd); | |
1416 | } | |
1417 | ||
1418 | static struct qcommand *unlinkqcmd(struct uidata *data) | |
1419 | { | |
1420 | struct qcommand *qcmd; | |
1421 | ||
1422 | qcmd = data->queue; | |
1423 | if(qcmd != NULL) | |
1424 | { | |
821e3843 | 1425 | data->queuesize--; |
d3372da9 | 1426 | data->queue = qcmd->next; |
1427 | if(qcmd == data->queuelast) | |
1428 | data->queuelast = qcmd->next; | |
1429 | } | |
1430 | return(qcmd); | |
1431 | } | |
1432 | ||
ba86d49a | 1433 | static void notifappendv(struct notif *notif, va_list args) |
d3372da9 | 1434 | { |
d3372da9 | 1435 | int dt, ca; |
1436 | ||
d3372da9 | 1437 | while((dt = va_arg(args, int)) != NOTIF_END) |
1438 | { | |
1439 | ca = notif->argc; | |
1440 | notif->argv = realloc(notif->argv, sizeof(*notif->argv) * ++notif->argc); | |
1441 | notif->argv[ca].dt = dt; | |
1442 | switch(dt) | |
1443 | { | |
1444 | case NOTIF_INT: | |
1445 | case NOTIF_ID: | |
1446 | notif->argv[ca].d.n = va_arg(args, int); | |
1447 | break; | |
dcf7a1a2 FT |
1448 | case NOTIF_OFF: |
1449 | notif->argv[ca].d.o = va_arg(args, off_t); | |
1450 | break; | |
d3372da9 | 1451 | case NOTIF_STR: |
2af7e5b0 | 1452 | notif->argv[ca].d.s = swcsdup(va_arg(args, wchar_t *)); |
d3372da9 | 1453 | break; |
1454 | case NOTIF_FLOAT: | |
1455 | notif->argv[ca].d.d = va_arg(args, double); | |
1456 | break; | |
1457 | } | |
1458 | } | |
ba86d49a | 1459 | } |
1460 | ||
1461 | static void notifappend(struct notif *notif, ...) | |
1462 | { | |
1463 | va_list args; | |
1464 | ||
1465 | va_start(args, notif); | |
1466 | notifappendv(notif, args); | |
1467 | va_end(args); | |
1468 | } | |
1469 | ||
1470 | static struct notif *newnotif(struct uidata *data, int code, ...) | |
1471 | { | |
1472 | struct notif *notif; | |
1473 | va_list args; | |
1474 | ||
1475 | notif = smalloc(sizeof(*notif)); | |
1476 | memset(notif, 0, sizeof(*notif)); | |
1477 | notif->rlimit = 0.0; | |
1478 | notif->ui = data; | |
1479 | notif->code = code; | |
1480 | va_start(args, code); | |
1481 | notifappendv(notif, args); | |
d3372da9 | 1482 | va_end(args); |
1483 | notif->next = NULL; | |
1484 | notif->prev = data->lnotif; | |
1485 | if(data->lnotif != NULL) | |
1486 | data->lnotif->next = notif; | |
1487 | else | |
1488 | data->fnotif = notif; | |
1489 | data->lnotif = notif; | |
1490 | return(notif); | |
1491 | } | |
1492 | ||
1493 | static void freenotif(struct notif *notif) | |
1494 | { | |
1495 | int i; | |
1496 | ||
1497 | if(notif->next != NULL) | |
1498 | notif->next->prev = notif->prev; | |
1499 | if(notif->prev != NULL) | |
1500 | notif->prev->next = notif->next; | |
1501 | if(notif == notif->ui->fnotif) | |
1502 | notif->ui->fnotif = notif->next; | |
1503 | if(notif == notif->ui->lnotif) | |
1504 | notif->ui->lnotif = notif->prev; | |
1505 | if(notif->exptimer != NULL) | |
1506 | canceltimer(notif->exptimer); | |
1507 | for(i = 0; i < notif->argc; i++) | |
1508 | { | |
1509 | if(notif->argv[i].dt == NOTIF_STR) | |
1510 | free(notif->argv[i].d.s); | |
1511 | } | |
1512 | if(notif->argv != NULL) | |
1513 | free(notif->argv); | |
1514 | free(notif); | |
1515 | } | |
1516 | ||
1517 | static void notifexpire(int cancelled, struct notif *notif) | |
1518 | { | |
1519 | notif->exptimer = NULL; | |
1520 | if(!cancelled) | |
1521 | freenotif(notif); | |
1522 | } | |
1523 | ||
1524 | static struct notif *findnotif(struct notif *notif, int dir, int state, int code, int id) | |
1525 | { | |
1526 | int i, cont; | |
1527 | ||
1528 | for(; notif != NULL; notif = (dir?notif->next:notif->prev)) | |
1529 | { | |
1530 | if((notif->code == code) && ((state < 0) || (state == notif->state))) | |
1531 | { | |
1532 | cont = 0; | |
1533 | if(id >= 0) | |
1534 | { | |
1535 | for(i = 0; i < notif->argc; i++) | |
1536 | { | |
1537 | if((notif->argv[i].dt == NOTIF_ID) && (notif->argv[i].d.n != id)) | |
1538 | { | |
1539 | cont = 1; | |
1540 | break; | |
1541 | } | |
1542 | } | |
1543 | } | |
1544 | if(cont) | |
1545 | continue; | |
1546 | break; | |
1547 | } | |
1548 | } | |
1549 | return(notif); | |
1550 | } | |
1551 | ||
1552 | static void freeuidata(struct uidata *data) | |
1553 | { | |
1554 | int i; | |
1555 | struct qcommand *qcmd; | |
1556 | ||
1557 | if(data->next != NULL) | |
1558 | data->next->prev = data->prev; | |
1559 | if(data->prev != NULL) | |
1560 | data->prev->next = data->next; | |
1561 | if(data == actives) | |
1562 | actives = data->next; | |
cab0b442 | 1563 | data->sk->readcb = NULL; |
1564 | data->sk->errcb = NULL; | |
68f4d429 | 1565 | closesock(data->sk); |
d3372da9 | 1566 | putsock(data->sk); |
1567 | while((qcmd = unlinkqcmd(data)) != NULL) | |
1568 | freequeuecmd(qcmd); | |
1569 | iconv_close(data->ichandle); | |
1570 | if(data->cw != NULL) | |
1571 | free(data->cw); | |
1572 | if(data->cb != NULL) | |
1573 | free(data->cb); | |
1574 | if(data->argv != NULL) | |
1575 | { | |
1576 | for(i = 0; i < data->argc; i++) | |
1577 | free(data->argv[i]); | |
1578 | free(data->argv); | |
1579 | } | |
1580 | if(data->auth != NULL) | |
1581 | authputhandle(data->auth); | |
5f151349 | 1582 | if(data->regname != NULL) |
1583 | free(data->regname); | |
d3372da9 | 1584 | if(data->username != NULL) |
1585 | { | |
1586 | if(data->userinfo != NULL) | |
1587 | flog(LOG_INFO, "%ls logged out", data->username); | |
1588 | free(data->username); | |
1589 | } | |
1590 | free(data->inbuf); | |
1591 | while(data->fnotif != NULL) | |
1592 | freenotif(data->fnotif); | |
1593 | if(data->fcmdbuf != NULL) | |
1594 | free(data->fcmdbuf); | |
1595 | if(data->fcmdpid != 0) | |
1596 | kill(-data->fcmdpid, SIGHUP); | |
1597 | if(data->fcmdsk != NULL) | |
1598 | putsock(data->fcmdsk); | |
1599 | free(data); | |
1600 | } | |
1601 | ||
1602 | static void queuecmd(struct uidata *data, struct command *cmd, int argc, wchar_t **argv) | |
1603 | { | |
1604 | struct qcommand *new; | |
1605 | ||
1606 | new = smalloc(sizeof(*new)); | |
1607 | new->cmd = cmd; | |
1608 | new->argc = argc; | |
1609 | new->argv = argv; | |
1610 | new->next = NULL; | |
1611 | if(data->queuelast != NULL) | |
1612 | data->queuelast->next = new; | |
1613 | data->queuelast = new; | |
1614 | if(data->queue == NULL) | |
1615 | data->queue = new; | |
821e3843 | 1616 | data->queuesize++; |
d3372da9 | 1617 | } |
1618 | ||
1619 | static struct uidata *newuidata(struct socket *sk) | |
1620 | { | |
1621 | struct uidata *data; | |
5f151349 | 1622 | static int curid = 0; |
d3372da9 | 1623 | |
1624 | data = smalloc(sizeof(*data)); | |
1625 | memset(data, 0, sizeof(*data)); | |
5f151349 | 1626 | data->id = curid++; |
d3372da9 | 1627 | data->sk = sk; |
1628 | getsock(sk); | |
1629 | data->inbuf = smalloc(1024); | |
1630 | data->uid = -1; | |
1631 | if((data->ichandle = iconv_open("wchar_t", "utf-8")) == (iconv_t)-1) | |
1632 | { | |
1633 | flog(LOG_CRIT, "iconv cannot handle UTF-8: %s", strerror(errno)); | |
1634 | return(NULL); | |
1635 | } | |
1636 | data->next = actives; | |
1637 | data->prev = NULL; | |
1638 | if(actives != NULL) | |
1639 | actives->prev = data; | |
1640 | actives = data; | |
1641 | return(data); | |
1642 | } | |
1643 | ||
cab0b442 | 1644 | static void uiread(struct socket *sk, struct uidata *data) |
d3372da9 | 1645 | { |
1646 | int ret, done; | |
1647 | char *newbuf; | |
1648 | char *p1, *p2; | |
1649 | wchar_t *porig; | |
1650 | size_t datalen, len2; | |
1651 | struct command *cur; | |
1652 | ||
1653 | if(data->indata > 1024) | |
1654 | data->indata = 0; | |
1655 | if((newbuf = sockgetinbuf(sk, &datalen)) == NULL) | |
cab0b442 | 1656 | return; |
d3372da9 | 1657 | sizebuf(&data->inbuf, &data->inbufsize, data->indata + datalen, 1, 1); |
1658 | memcpy(data->inbuf + data->indata, newbuf, datalen); | |
1659 | free(newbuf); | |
1660 | data->indata += datalen; | |
1661 | if(data->cb == NULL) | |
1662 | { | |
1663 | data->cb = smalloc(sizeof(wchar_t) * (data->cbsize = 64)); | |
1664 | data->cbdata = 0; | |
1665 | data->pp = data->cb; | |
1666 | } | |
1667 | done = 0; | |
1668 | while(!done) | |
1669 | { | |
1670 | if(data->cbsize == data->cbdata) | |
1671 | { | |
1672 | len2 = data->pp - data->cb; | |
1673 | data->cb = srealloc(data->cb, sizeof(wchar_t) * (data->cbsize *= 2)); | |
1674 | data->pp = data->cb + len2; | |
1675 | } | |
1676 | p1 = data->inbuf; | |
1677 | p2 = (char *)(porig = (data->cb + data->cbdata)); | |
1678 | len2 = sizeof(wchar_t) * (data->cbsize - data->cbdata); | |
1679 | ret = iconv(data->ichandle, &p1, &data->indata, &p2, &len2); | |
1680 | memmove(data->inbuf, p1, data->indata); | |
1681 | /* Just a sanity check */ | |
1682 | if(((p2 - ((char *)data->cb)) % sizeof(wchar_t)) != 0) | |
1683 | { | |
1684 | flog(LOG_CRIT, "Aiya! iconv does strange things to our wchar_t's!"); | |
1685 | abort(); | |
1686 | } | |
1687 | data->cbdata += (((wchar_t *)p2) - porig); | |
1688 | if(ret < 0) | |
1689 | { | |
1690 | switch(errno) | |
1691 | { | |
1692 | case EILSEQ: | |
1693 | /* XXX: Should this really just ignore it? */ | |
1694 | data->indata = 0; | |
1695 | done = 1; | |
1696 | break; | |
1697 | case EINVAL: | |
1698 | done = 1; | |
1699 | break; | |
1700 | case E2BIG: | |
1701 | /* Just a sanity check */ | |
1702 | if(data->cbsize != data->cbdata) | |
1703 | { | |
1704 | flog(LOG_CRIT, "Aiya! iconv doesn't give us wchar_t's!"); | |
1705 | abort(); | |
1706 | } | |
1707 | break; | |
1708 | default: | |
1709 | flog(LOG_WARNING, "bug: strange error from iconv in uiread: %s", strerror(errno)); | |
1710 | break; | |
1711 | } | |
1712 | } else { | |
1713 | done = 1; | |
1714 | } | |
1715 | } | |
1716 | done = 0; | |
1717 | while(!done && (data->pp - data->cb < data->cbdata)) | |
1718 | { | |
1719 | switch(data->ps) | |
1720 | { | |
1721 | case 0: | |
1722 | if(iswspace(*data->pp)) | |
1723 | { | |
1724 | if(*data->pp == L'\r') | |
1725 | { | |
1726 | if(data->pp == data->cb + data->cbdata - 1) | |
1727 | { | |
1728 | done = 1; | |
1729 | break; | |
1730 | } | |
1731 | if(*(++data->pp) == L'\n') | |
1732 | { | |
1733 | if((data->argv != NULL) && (data->argv[0] != NULL)) | |
1734 | { | |
1735 | for(cur = commands; cur->handler != NULL; cur++) | |
1736 | { | |
1737 | if(cur->name == NULL) | |
1738 | continue; | |
1739 | if(!wcscasecmp(cur->name, data->argv[0])) | |
1740 | { | |
1741 | queuecmd(data, cur, data->argc, data->argv); | |
1742 | break; | |
1743 | } | |
1744 | } | |
1745 | if(cur->handler == NULL) | |
1746 | queuecmd(data, &commands[1], data->argc, data->argv); | |
1747 | } else { | |
1748 | queuecmd(data, &commands[1], data->argc, data->argv); | |
1749 | } | |
1750 | data->argv = NULL; | |
1751 | data->args = 0; | |
1752 | data->argc = 0; | |
1753 | wmemmove(data->cb, data->pp, data->cbdata -= (data->pp - data->cb)); | |
1754 | data->pp = data->cb; | |
1755 | } else { | |
1756 | data->pp++; | |
1757 | } | |
1758 | } else { | |
1759 | data->pp++; | |
1760 | } | |
1761 | } else { | |
1762 | data->ps = 1; | |
1763 | data->cwdata = 0; | |
1764 | } | |
1765 | break; | |
1766 | case 1: | |
1767 | if(iswspace(*data->pp)) | |
1768 | { | |
1769 | addtobuf(data->cw, L'\0'); | |
1770 | sizebuf(&data->argv, &data->args, data->argc + 1, sizeof(*data->argv), 1); | |
1771 | data->argv[data->argc++] = data->cw; | |
1772 | data->cw = NULL; | |
1773 | data->cwsize = 0; | |
1774 | data->cwdata = 0; | |
1775 | data->ps = 0; | |
1776 | } else if(*data->pp == L'\"') { | |
1777 | data->ps = 2; | |
1778 | data->pp++; | |
1779 | } else if(*data->pp == L'\\') { | |
1780 | if(data->pp == data->cb + data->cbdata - 1) | |
1781 | { | |
1782 | done = 1; | |
1783 | break; | |
1784 | } | |
1785 | addtobuf(data->cw, *(++data->pp)); | |
1786 | data->pp++; | |
1787 | } else { | |
1788 | addtobuf(data->cw, *(data->pp++)); | |
1789 | } | |
1790 | break; | |
1791 | case 2: | |
1792 | if(*data->pp == L'\"') | |
1793 | { | |
1794 | data->ps = 1; | |
1795 | } else if(*data->pp == L'\\') { | |
1796 | if(data->pp == data->cb + data->cbdata - 1) | |
1797 | { | |
1798 | done = 1; | |
1799 | break; | |
1800 | } | |
1801 | addtobuf(data->cw, *(++(data->pp))); | |
1802 | } else { | |
1803 | addtobuf(data->cw, *data->pp); | |
1804 | } | |
1805 | data->pp++; | |
1806 | break; | |
1807 | } | |
1808 | } | |
821e3843 FT |
1809 | if(data->cbdata > 16384) |
1810 | { | |
1811 | /* Kill clients that send us unreasonably long lines */ | |
1812 | data->close = 1; | |
1813 | } | |
d3372da9 | 1814 | } |
1815 | ||
cab0b442 | 1816 | static void uierror(struct socket *sk, int err, struct uidata *data) |
d3372da9 | 1817 | { |
1818 | if(err) | |
1819 | flog(LOG_WARNING, "error occurred on UI socket: %s", strerror(err)); | |
1820 | freeuidata(data); | |
1821 | } | |
1822 | ||
cab0b442 | 1823 | static void uiaccept(struct socket *sk, struct socket *newsk, void *data) |
d3372da9 | 1824 | { |
1825 | struct uidata *uidata; | |
1826 | ||
cab0b442 | 1827 | newsk->data = uidata = newuidata(newsk); |
d3372da9 | 1828 | socksettos(newsk, confgetint("ui", "uitos")); |
1829 | if(uidata == NULL) | |
cab0b442 | 1830 | return; |
1831 | newsk->errcb = (void (*)(struct socket *, int, void *))uierror; | |
1832 | newsk->readcb = (void (*)(struct socket *, void *))uiread; | |
d3372da9 | 1833 | queuecmd(uidata, &commands[0], 0, NULL); |
1834 | } | |
1835 | ||
1836 | static int srcheta(struct search *srch, void *uudata) | |
1837 | { | |
1838 | struct uidata *data; | |
1839 | ||
1840 | for(data = actives; data != NULL; data = data->next) | |
1841 | { | |
1842 | if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username)) | |
1843 | newnotif(data, 620, NOTIF_ID, srch->id, NOTIF_INT, srch->eta - time(NULL), NOTIF_END); | |
1844 | } | |
1845 | return(0); | |
1846 | } | |
1847 | ||
1848 | static int srchcommit(struct search *srch, void *uudata) | |
1849 | { | |
1850 | struct uidata *data; | |
1851 | ||
1852 | for(data = actives; data != NULL; data = data->next) | |
1853 | { | |
1854 | if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username)) | |
1855 | newnotif(data, 621, NOTIF_ID, srch->id, NOTIF_END); | |
1856 | } | |
1857 | return(0); | |
1858 | } | |
1859 | ||
1860 | static int srchres(struct search *srch, struct srchres *sr, void *uudata) | |
1861 | { | |
1862 | struct uidata *data; | |
1863 | ||
1864 | for(data = actives; data != NULL; data = data->next) | |
1865 | { | |
1866 | if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username)) | |
ebbc13f3 | 1867 | { |
dcf7a1a2 | 1868 | newnotif(data, 622, NOTIF_ID, srch->id, NOTIF_STR, sr->filename, NOTIF_STR, sr->fnet->name, NOTIF_STR, sr->peerid, NOTIF_OFF, sr->size, |
5123bec0 | 1869 | NOTIF_INT, sr->slots, NOTIF_INT, (sr->fn == NULL)?-1:(sr->fn->id), NOTIF_FLOAT, sr->time, NOTIF_STR, (sr->hash == NULL)?L"":unparsehash(sr->hash), NOTIF_END); |
ebbc13f3 | 1870 | } |
d3372da9 | 1871 | } |
1872 | return(0); | |
1873 | } | |
1874 | ||
1875 | static int recvchat(struct fnetnode *fn, int public, wchar_t *name, wchar_t *peer, wchar_t *string, void *uudata) | |
1876 | { | |
1877 | struct uidata *data; | |
1878 | ||
1879 | for(data = actives; data != NULL; data = data->next) | |
1880 | { | |
1881 | if(haspriv(data, PERM_CHAT) && data->notify.b.fnchat) | |
1882 | newnotif(data, 600, NOTIF_ID, fn->id, NOTIF_INT, public, NOTIF_STR, name, NOTIF_STR, peer, NOTIF_STR, string, NOTIF_END); | |
1883 | } | |
1884 | return(0); | |
1885 | } | |
1886 | ||
1887 | static int fnactive(struct fnetnode *fn, wchar_t *attrib, void *uudata) | |
1888 | { | |
1889 | struct uidata *data; | |
1890 | struct notif *notif; | |
1891 | ||
1892 | if(!wcscmp(attrib, L"state")) | |
1893 | { | |
1894 | for(data = actives; data != NULL; data = data->next) | |
1895 | { | |
1896 | if(data->notify.b.fnact) | |
1897 | newnotif(data, 601, NOTIF_ID, fn->id, NOTIF_INT, fn->state, NOTIF_END); | |
1898 | } | |
1899 | } else if(!wcscmp(attrib, L"name")) { | |
1900 | for(data = actives; data != NULL; data = data->next) | |
1901 | { | |
1902 | if(data->notify.b.fnact) | |
1903 | newnotif(data, 602, NOTIF_ID, fn->id, NOTIF_STR, fn->name, NOTIF_END); | |
1904 | } | |
1905 | } else if(!wcscmp(attrib, L"numpeers")) { | |
1906 | for(data = actives; data != NULL; data = data->next) | |
1907 | { | |
1908 | if(data->notify.b.fnact) | |
1909 | { | |
1910 | if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 605, fn->id)) != NULL) | |
1911 | notif->argv[1].d.n = fn->numpeers; | |
1912 | else | |
ba86d49a | 1913 | newnotif(data, 605, NOTIF_ID, fn->id, NOTIF_INT, fn->numpeers, NOTIF_END)->rlimit = 0.5; |
d3372da9 | 1914 | } |
1915 | } | |
1916 | } | |
1917 | return(0); | |
1918 | } | |
1919 | ||
1920 | static int fnunlink(struct fnetnode *fn, void *uudata) | |
1921 | { | |
1922 | struct uidata *data; | |
1923 | ||
1924 | for(data = actives; data != NULL; data = data->next) | |
1925 | { | |
1926 | if(data->notify.b.fnact) | |
1927 | newnotif(data, 603, NOTIF_ID, fn->id, NOTIF_END); | |
1928 | } | |
1929 | return(0); | |
1930 | } | |
1931 | ||
ba86d49a | 1932 | static int peernew(struct fnetnode *fn, struct fnetpeer *peer, void *uudata) |
1933 | { | |
1934 | struct uidata *data; | |
1935 | ||
1936 | for(data = actives; data != NULL; data = data->next) | |
1937 | { | |
1938 | if(data->notify.b.fnpeer) | |
1939 | newnotif(data, 630, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_STR, peer->nick, NOTIF_END); | |
1940 | } | |
1941 | return(0); | |
1942 | } | |
1943 | ||
1944 | static int peerdel(struct fnetnode *fn, struct fnetpeer *peer, void *uudata) | |
1945 | { | |
1946 | struct uidata *data; | |
1947 | ||
1948 | for(data = actives; data != NULL; data = data->next) | |
1949 | { | |
1950 | if(data->notify.b.fnpeer) | |
1951 | newnotif(data, 631, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_END); | |
1952 | } | |
1953 | return(0); | |
1954 | } | |
1955 | ||
1956 | static int peerchange(struct fnetnode *fn, struct fnetpeer *peer, struct fnetpeerdi *di, void *uudata) | |
1957 | { | |
1958 | struct uidata *data; | |
1959 | struct notif *notif; | |
1960 | wchar_t buf[32]; | |
1961 | ||
1962 | for(data = actives; data != NULL; data = data->next) | |
1963 | { | |
1964 | if(data->notify.b.fnpeer) | |
1965 | { | |
1966 | for(notif = data->fnotif; notif != NULL; notif = notif->next) | |
1967 | { | |
1968 | if((notif->code == 632) && (notif->state == NOTIF_PEND) && (notif->argv[0].d.n == fn->id) && !wcscmp(notif->argv[1].d.s, peer->id)) | |
1969 | break; | |
1970 | } | |
1971 | if(notif == NULL) | |
1972 | notif = newnotif(data, 632, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_STR, peer->nick, NOTIF_END); | |
1973 | notifappend(notif, NOTIF_STR, di->datum->id, NOTIF_INT, di->datum->datatype, NOTIF_END); | |
1974 | switch(di->datum->datatype) | |
1975 | { | |
1976 | case FNPD_INT: | |
1977 | notifappend(notif, NOTIF_INT, di->data.num, NOTIF_END); | |
1978 | break; | |
1979 | case FNPD_STR: | |
1980 | notifappend(notif, NOTIF_STR, di->data.str, NOTIF_END); | |
1981 | break; | |
1982 | case FNPD_LL: | |
1983 | swprintf(buf, sizeof(buf) / sizeof(*buf), L"%lli", di->data.lnum); | |
1984 | notifappend(notif, NOTIF_STR, buf, NOTIF_END); | |
1985 | break; | |
1986 | } | |
1987 | } | |
1988 | } | |
1989 | return(0); | |
1990 | } | |
1991 | ||
d3372da9 | 1992 | static int newfnetnode(struct fnetnode *fn, void *uudata) |
1993 | { | |
1994 | struct uidata *data; | |
1995 | ||
1996 | for(data = actives; data != NULL; data = data->next) | |
1997 | { | |
1998 | if(data->notify.b.fnact) | |
1999 | newnotif(data, 604, NOTIF_ID, fn->id, NOTIF_STR, fn->fnet->name, NOTIF_END); | |
2000 | } | |
2001 | CBREG(fn, fnetnode_ac, fnactive, NULL, NULL); | |
2002 | CBREG(fn, fnetnode_chat, recvchat, NULL, NULL); | |
2003 | CBREG(fn, fnetnode_unlink, fnunlink, NULL, NULL); | |
ba86d49a | 2004 | CBREG(fn, fnetpeer_new, peernew, NULL, NULL); |
2005 | CBREG(fn, fnetpeer_del, peerdel, NULL, NULL); | |
2006 | CBREG(fn, fnetpeer_chdi, peerchange, NULL, NULL); | |
d3372da9 | 2007 | return(0); |
2008 | } | |
2009 | ||
2010 | static int transferchattr(struct transfer *transfer, wchar_t *attrib, void *uudata) | |
2011 | { | |
2012 | struct uidata *data; | |
2013 | ||
2014 | if(!wcscmp(attrib, L"state")) | |
2015 | { | |
2016 | for(data = actives; data != NULL; data = data->next) | |
2017 | { | |
2018 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) | |
2019 | newnotif(data, 611, NOTIF_ID, transfer->id, NOTIF_INT, transfer->state, NOTIF_END); | |
2020 | } | |
2021 | } else if(!wcscmp(attrib, L"nick")) { | |
2022 | for(data = actives; data != NULL; data = data->next) | |
2023 | { | |
2024 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) | |
2025 | newnotif(data, 612, NOTIF_ID, transfer->id, NOTIF_STR, transfer->peernick, NOTIF_END); | |
2026 | } | |
2027 | } else if(!wcscmp(attrib, L"size")) { | |
2028 | for(data = actives; data != NULL; data = data->next) | |
2029 | { | |
2030 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) | |
dcf7a1a2 | 2031 | newnotif(data, 613, NOTIF_ID, transfer->id, NOTIF_OFF, transfer->size, NOTIF_END); |
d3372da9 | 2032 | } |
2033 | } else if(!wcscmp(attrib, L"error")) { | |
2034 | for(data = actives; data != NULL; data = data->next) | |
2035 | { | |
2036 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) | |
2037 | newnotif(data, 614, NOTIF_ID, transfer->id, NOTIF_INT, transfer->error, NOTIF_END); | |
2038 | } | |
2039 | } else if(!wcscmp(attrib, L"path")) { | |
2040 | for(data = actives; data != NULL; data = data->next) | |
2041 | { | |
2042 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) | |
2043 | newnotif(data, 616, NOTIF_ID, transfer->id, NOTIF_STR, transfer->path, NOTIF_END); | |
2044 | } | |
a04fc9ff | 2045 | } else if(!wcscmp(attrib, L"hash")) { |
2046 | for(data = actives; data != NULL; data = data->next) | |
2047 | { | |
2048 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) | |
5e13cdca | 2049 | newnotif(data, 618, NOTIF_ID, transfer->id, NOTIF_STR, (transfer->hash == NULL)?L"":unparsehash(transfer->hash), NOTIF_END); |
a04fc9ff | 2050 | } |
d3372da9 | 2051 | } |
2052 | return(0); | |
2053 | } | |
2054 | ||
2055 | static int transferprog(struct transfer *transfer, void *uudata) | |
2056 | { | |
2057 | struct uidata *data; | |
2058 | struct notif *notif; | |
2059 | ||
2060 | for(data = actives; data != NULL; data = data->next) | |
2061 | { | |
2062 | if(haspriv(data, PERM_TRANS) && data->notify.b.trprog && ((transfer->owner == 0) || (transfer->owner == data->uid))) | |
2063 | { | |
2064 | if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 615, transfer->id)) != NULL) | |
dcf7a1a2 | 2065 | notif->argv[1].d.o = transfer->curpos; |
d3372da9 | 2066 | else |
dcf7a1a2 | 2067 | newnotif(data, 615, NOTIF_ID, transfer->id, NOTIF_OFF, transfer->curpos, NOTIF_END)->rlimit = 0.5; |
d3372da9 | 2068 | } |
2069 | } | |
2070 | return(0); | |
2071 | } | |
2072 | ||
2073 | static int transferdestroyed(struct transfer *transfer, void *uudata) | |
2074 | { | |
2075 | struct uidata *data; | |
2076 | ||
2077 | for(data = actives; data != NULL; data = data->next) | |
2078 | { | |
2079 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) | |
3d204c2d | 2080 | newnotif(data, 617, NOTIF_ID, transfer->id, NOTIF_STR, (transfer->exitstatus == NULL)?L"":(transfer->exitstatus), NOTIF_END); |
d3372da9 | 2081 | } |
2082 | return(0); | |
2083 | } | |
2084 | ||
2085 | static int newtransfernotify(struct transfer *transfer, void *uudata) | |
2086 | { | |
2087 | struct uidata *data; | |
2088 | ||
2089 | for(data = actives; data != NULL; data = data->next) | |
2090 | { | |
2091 | if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) | |
2092 | newnotif(data, 610, NOTIF_ID, transfer->id, NOTIF_INT, transfer->dir, NOTIF_STR, transfer->peerid, NOTIF_STR, (transfer->path == NULL)?L"":transfer->path, NOTIF_END); | |
2093 | } | |
2094 | CBREG(transfer, trans_ac, transferchattr, NULL, NULL); | |
2095 | CBREG(transfer, trans_p, transferprog, NULL, NULL); | |
2096 | CBREG(transfer, trans_destroy, transferdestroyed, NULL, NULL); | |
2097 | return(0); | |
2098 | } | |
2099 | ||
2100 | static struct uiuser *newuser(wchar_t *name, unsigned long perms) | |
2101 | { | |
2102 | struct uiuser *new; | |
2103 | ||
2104 | new = smalloc(sizeof(*new)); | |
2105 | new->used = 0; | |
2106 | new->name = swcsdup(name); | |
2107 | new->perms = perms; | |
2108 | new->delete = 0; | |
2109 | new->next = users; | |
2110 | new->prev = NULL; | |
2111 | if(users != NULL) | |
2112 | users->prev = new; | |
2113 | users = new; | |
2114 | return(new); | |
2115 | } | |
2116 | ||
2117 | static void freeuser(struct uiuser *user) | |
2118 | { | |
2119 | if(user->next != NULL) | |
2120 | user->next->prev = user->prev; | |
2121 | if(user->prev != NULL) | |
2122 | user->prev->next = user->next; | |
2123 | if(user == users) | |
2124 | users = user->next; | |
2125 | free(user->name); | |
2126 | free(user); | |
2127 | } | |
2128 | ||
2129 | static int conf_user(int argc, wchar_t **argv) | |
2130 | { | |
2131 | int i, perms, permmod; | |
2132 | struct uiuser *user; | |
2133 | wchar_t *p; | |
2134 | ||
2135 | if(argc < 3) | |
2136 | { | |
2137 | flog(LOG_WARNING, "not enough arguments given for user command"); | |
2138 | return(1); | |
2139 | } | |
2140 | perms = 0; | |
2141 | for(i = 2; i < argc; i++) | |
2142 | { | |
2143 | if(!iswalpha(argv[i][0])) | |
2144 | p = argv[i] + 1; | |
2145 | else | |
2146 | p = argv[i]; | |
2147 | if(!wcscmp(p, L"disallow")) | |
2148 | permmod = PERM_DISALLOW; | |
2149 | if(!wcscmp(p, L"admin")) | |
2150 | permmod = PERM_ADMIN; | |
2151 | if(!wcscmp(p, L"fnetctl")) | |
2152 | permmod = PERM_FNETCTL; | |
2153 | if(!wcscmp(p, L"trans")) | |
2154 | permmod = PERM_TRANS; | |
2155 | if(!wcscmp(p, L"transcu")) | |
2156 | permmod = PERM_TRANSCU; | |
2157 | if(!wcscmp(p, L"chat")) | |
2158 | permmod = PERM_CHAT; | |
2159 | if(!wcscmp(p, L"srch")) | |
2160 | permmod = PERM_SRCH; | |
2161 | if(!wcscmp(p, L"all")) | |
2162 | permmod = ~0; | |
2163 | if(argv[i][0] == L'-') | |
2164 | perms &= ~permmod; | |
2165 | else | |
2166 | perms |= permmod; | |
2167 | } | |
2168 | if((user = finduser(argv[1])) == NULL) | |
2169 | { | |
2170 | newuser(argv[1], perms); | |
2171 | } else { | |
2172 | user->delete = 0; | |
2173 | user->perms = perms; | |
2174 | } | |
2175 | return(0); | |
2176 | } | |
2177 | ||
2178 | static void preinit(int hup) | |
2179 | { | |
2180 | struct uiuser *user; | |
2181 | ||
2182 | if(!hup) | |
2183 | { | |
8754fb85 | 2184 | newuser(L"default", PERM_DISALLOW); |
d3372da9 | 2185 | } else { |
2186 | for(user = users; user != NULL; user = user->next) | |
2187 | { | |
2188 | if(!wcscmp(user->name, L"default")) | |
2189 | user->delete = 1; | |
2190 | } | |
2191 | } | |
2192 | } | |
2193 | ||
ddb933f1 | 2194 | static struct sockaddr_un *makeunixname(void) |
2195 | { | |
2196 | static struct sockaddr_un buf; | |
2197 | char *val; | |
2198 | struct passwd *pwd; | |
2199 | uid_t uid; | |
2200 | ||
2201 | memset(&buf, 0, sizeof(buf)); | |
2202 | buf.sun_family = PF_UNIX; | |
2203 | if((val = icswcstombs(confgetstr("ui", "unixsock"), NULL, NULL)) == NULL) { | |
2204 | flog(LOG_WARNING, "could not map Unix socket name into local charset: %s", strerror(errno)); | |
2205 | return(NULL); | |
2206 | } | |
2207 | if(!strcmp(val, "none")) | |
2208 | return(NULL); | |
2209 | if(!strcmp(val, "default")) | |
2210 | { | |
2211 | if((uid = getuid()) == 0) | |
2212 | { | |
2213 | strcpy(buf.sun_path, "/var/run/doldacond.sock"); | |
2214 | return(&buf); | |
2215 | } else { | |
2216 | if((pwd = getpwuid(uid)) == NULL) | |
2217 | { | |
2218 | flog(LOG_ERR, "could not get passwd entry for current user: %s", strerror(errno)); | |
2219 | return(NULL); | |
2220 | } | |
2221 | strcpy(buf.sun_path, "/tmp/doldacond-"); | |
2222 | strcat(buf.sun_path, pwd->pw_name); | |
2223 | return(&buf); | |
2224 | } | |
2225 | } | |
2226 | if(strchr(val, '/')) | |
2227 | { | |
2228 | strcpy(buf.sun_path, val); | |
2229 | return(&buf); | |
2230 | } | |
2231 | flog(LOG_WARNING, "invalid Unix socket name: %s", val); | |
2232 | return(NULL); | |
2233 | } | |
2234 | ||
2235 | static int tcpportupdate(struct configvar *var, void *uudata) | |
d3372da9 | 2236 | { |
d3372da9 | 2237 | struct socket *newsock; |
2238 | ||
ddb933f1 | 2239 | newsock = NULL; |
2240 | if((var->val.num != -1) && ((newsock = netcstcplisten(var->val.num, 1, uiaccept, NULL)) == NULL)) | |
d3372da9 | 2241 | { |
ddb933f1 | 2242 | flog(LOG_WARNING, "could not create new TCP UI socket, reverting to old: %s", strerror(errno)); |
d3372da9 | 2243 | return(0); |
2244 | } | |
ddb933f1 | 2245 | if(tcpsocket != NULL) |
2246 | { | |
2247 | putsock(tcpsocket); | |
2248 | tcpsocket = NULL; | |
2249 | } | |
2250 | tcpsocket = newsock; | |
2251 | return(0); | |
2252 | } | |
2253 | ||
2254 | static int unixsockupdate(struct configvar *var, void *uudata) | |
2255 | { | |
2256 | struct socket *newsock; | |
2257 | struct sockaddr_un *un; | |
4cb04c42 | 2258 | mode_t ou; |
ddb933f1 | 2259 | |
2260 | newsock = NULL; | |
4cb04c42 | 2261 | ou = umask(0111); |
ddb933f1 | 2262 | if(((un = makeunixname()) != NULL) && ((newsock = netcslistenlocal(SOCK_STREAM, (struct sockaddr *)un, sizeof(*un), uiaccept, NULL)) == NULL)) |
2263 | { | |
4cb04c42 | 2264 | umask(ou); |
ddb933f1 | 2265 | flog(LOG_WARNING, "could not create new Unix UI socket, reverting to old: %s", strerror(errno)); |
2266 | return(0); | |
2267 | } | |
4cb04c42 | 2268 | umask(ou); |
ddb933f1 | 2269 | if(unixsocket != NULL) |
2270 | { | |
2271 | putsock(unixsocket); | |
2272 | unixsocket = NULL; | |
2273 | } | |
2274 | unixsocket = newsock; | |
d3372da9 | 2275 | return(0); |
2276 | } | |
2277 | ||
2278 | static int init(int hup) | |
2279 | { | |
d3372da9 | 2280 | struct uiuser *user, *next; |
ddb933f1 | 2281 | struct sockaddr_un *un; |
8754fb85 | 2282 | struct passwd *pwd; |
2283 | wchar_t *wcsname; | |
4cb04c42 | 2284 | mode_t ou; |
d3372da9 | 2285 | |
2286 | if(hup) | |
2287 | { | |
2288 | for(user = users; user != NULL; user = next) | |
2289 | { | |
2290 | next = user->next; | |
2291 | if(user->delete) | |
2292 | freeuser(user); | |
2293 | } | |
2294 | } | |
2295 | if(!hup) | |
2296 | { | |
9a64a4f7 | 2297 | starttime = time(NULL); |
ddb933f1 | 2298 | if((confgetint("ui", "port") != -1) && ((tcpsocket = netcstcplisten(confgetint("ui", "port"), 1, uiaccept, NULL)) == NULL)) |
2299 | { | |
2300 | flog(LOG_CRIT, "could not create TCP UI socket: %s", strerror(errno)); | |
2301 | return(1); | |
2302 | } | |
2303 | CBREG(confgetvar("ui", "port"), conf_update, tcpportupdate, NULL, NULL); | |
4cb04c42 | 2304 | ou = umask(0111); |
ddb933f1 | 2305 | if(((un = makeunixname()) != NULL) && ((unixsocket = netcslistenlocal(SOCK_STREAM, (struct sockaddr *)un, sizeof(*un), uiaccept, NULL)) == NULL)) |
d3372da9 | 2306 | { |
4cb04c42 | 2307 | umask(ou); |
ddb933f1 | 2308 | flog(LOG_CRIT, "could not create Unix UI socket: %s", strerror(errno)); |
d3372da9 | 2309 | return(1); |
2310 | } | |
4cb04c42 | 2311 | umask(ou); |
ddb933f1 | 2312 | CBREG(confgetvar("ui", "unixsock"), conf_update, unixsockupdate, NULL, NULL); |
d3372da9 | 2313 | GCBREG(newfncb, newfnetnode, NULL); |
2314 | GCBREG(newtransfercb, newtransfernotify, NULL); | |
2315 | } | |
8754fb85 | 2316 | if(getuid() != 0) |
2317 | { | |
2318 | for(user = users; user != NULL; user = user->next) | |
2319 | { | |
2320 | if(wcscmp(user->name, L"default")) | |
2321 | break; | |
2322 | } | |
2323 | if(!user) | |
2324 | { | |
2325 | if((pwd = getpwuid(getuid())) == NULL) | |
2326 | { | |
2327 | flog(LOG_CRIT, "could not get login info: %s", strerror(errno)); | |
2328 | return(1); | |
2329 | } | |
2330 | if((wcsname = icmbstowcs(pwd->pw_name, NULL)) == NULL) | |
2331 | { | |
2332 | flog(LOG_CRIT, "could not convert user name into wcs: %s", strerror(errno)); | |
2333 | return(1); | |
2334 | } | |
2335 | newuser(wcsname, ~PERM_DISALLOW); | |
2336 | free(wcsname); | |
2337 | } | |
2338 | } | |
d3372da9 | 2339 | return(0); |
2340 | } | |
2341 | ||
2342 | static int run(void) | |
2343 | { | |
2344 | int i, id; | |
2345 | struct uidata *data, *next; | |
2346 | struct qcommand *qcmd; | |
2347 | struct notif *notif, *nnotif; | |
d3372da9 | 2348 | |
2349 | for(data = actives; data != NULL; data = next) | |
2350 | { | |
2351 | next = data->next; | |
2352 | if(data->close) | |
2353 | freeuidata(data); | |
2354 | } | |
2355 | for(data = actives; data != NULL; data = data->next) | |
2356 | { | |
2357 | for(notif = data->fnotif; notif != NULL; notif = nnotif) | |
2358 | { | |
2359 | nnotif = notif->next; | |
2360 | if(notif->state == NOTIF_WAIT) | |
2361 | continue; | |
2362 | id = -1; | |
2363 | for(i = 0; i < notif->argc; i++) | |
2364 | { | |
2365 | if(notif->argv[i].dt == NOTIF_ID) | |
2366 | { | |
2367 | id = notif->argv[i].d.n; | |
2368 | break; | |
2369 | } | |
2370 | } | |
2371 | if(findnotif(notif->prev, 0, -1, notif->code, id) != NULL) | |
2372 | continue; | |
f7292a8b | 2373 | sq(data->sk, 2, L"%i", notif->code, NULL); |
d3372da9 | 2374 | for(i = 0; i < notif->argc; i++) |
2375 | { | |
2376 | switch(notif->argv[i].dt) | |
2377 | { | |
2378 | case NOTIF_INT: | |
2379 | case NOTIF_ID: | |
f7292a8b | 2380 | sq(data->sk, 2, L"%i", notif->argv[i].d.n, NULL); |
d3372da9 | 2381 | break; |
dcf7a1a2 FT |
2382 | case NOTIF_OFF: |
2383 | sq(data->sk, 2, L"%oi", notif->argv[i].d.o, NULL); | |
2384 | break; | |
d3372da9 | 2385 | case NOTIF_STR: |
2386 | if(notif->argv[i].d.s[0] == L'%') | |
f7292a8b | 2387 | sq(data->sk, 2, L"%ls", notif->argv[i].d.s, NULL); |
d3372da9 | 2388 | else |
2389 | sq(data->sk, 2, notif->argv[i].d.s, NULL); | |
2390 | break; | |
2391 | case NOTIF_FLOAT: | |
f7292a8b | 2392 | sq(data->sk, 2, L"%f", notif->argv[i].d.d, NULL); |
d3372da9 | 2393 | break; |
2394 | } | |
2395 | } | |
2396 | sq(data->sk, 0, NULL); | |
2397 | if(notif->rlimit != 0) | |
2398 | { | |
2399 | notif->state = NOTIF_WAIT; | |
2400 | notif->exptimer = timercallback(ntime() + notif->rlimit, (void (*)(int, void *))notifexpire, notif); | |
2401 | } else { | |
2402 | freenotif(notif); | |
2403 | } | |
2404 | } | |
2405 | if((qcmd = unlinkqcmd(data)) != NULL) | |
2406 | { | |
2407 | qcmd->cmd->handler(data->sk, data, qcmd->argc, qcmd->argv); | |
2408 | freequeuecmd(qcmd); | |
2409 | return(1); | |
2410 | } | |
821e3843 FT |
2411 | if(data->queuesize > 10) |
2412 | { | |
2413 | /* Clients should not be queue up commands at all, since | |
2414 | * they should not send a new command before receiving a | |
2415 | * reply to the previous command. Therefore, we | |
2416 | * mercilessly massacre clients which are stacking up too | |
2417 | * many commands. */ | |
2418 | data->close = 1; | |
2419 | } | |
d3372da9 | 2420 | } |
2421 | return(0); | |
2422 | } | |
2423 | ||
2424 | static void terminate(void) | |
2425 | { | |
2426 | while(users != NULL) | |
2427 | freeuser(users); | |
ddb933f1 | 2428 | if(tcpsocket != NULL) |
2429 | putsock(tcpsocket); | |
2430 | if(unixsocket != NULL) | |
2431 | putsock(unixsocket); | |
d3372da9 | 2432 | } |
2433 | ||
2434 | static struct configvar myvars[] = | |
2435 | { | |
d9f89ef5 | 2436 | /** If true, UI connections will only be accepted from localhost |
2437 | * addresses (127.0.0.1, ::1 or ::ffff:127.0.0.1). Unless you are | |
2438 | * completely sure that you know what you are doing, never turn | |
2439 | * this off when auth.authless is on. */ | |
d3372da9 | 2440 | {CONF_VAR_BOOL, "onlylocal", {.num = 1}}, |
ddb933f1 | 2441 | /** The TCP port number on which to accept UI client connections, |
2442 | * or -1 to not listen on TCP. */ | |
d3372da9 | 2443 | {CONF_VAR_INT, "port", {.num = 1500}}, |
ddb933f1 | 2444 | /** |
2445 | * Controls the the name to use for the Unix socket on which to | |
2446 | * accept UI client connections. If the name contains a slash, it | |
2447 | * is treated as a file name to bind on. If the name is "default", | |
2448 | * the file name will be "/var/run/doldacond.sock" if doldacond | |
2449 | * runs with UID == 0, or "/tmp/doldacond-NAME" otherwise, where | |
2450 | * NAME is the user name of the UID which doldacond runs as. If | |
2451 | * the name is "none", no Unix socket will be used. Otherwise, an | |
2452 | * error is signaled. | |
2453 | */ | |
2454 | {CONF_VAR_STRING, "unixsock", {.str = L"default"}}, | |
d9f89ef5 | 2455 | /** The TOS value to use for UI connections (see the TOS VALUES |
2456 | * section). */ | |
d3372da9 | 2457 | {CONF_VAR_INT, "uitos", {.num = SOCK_TOS_MINDELAY}}, |
d9f89ef5 | 2458 | /** The name of the filtercmd script (see the FILES section for |
2459 | * lookup information). */ | |
d3372da9 | 2460 | {CONF_VAR_STRING, "filtercmd", {.str = L"dc-filtercmd"}}, |
2461 | {CONF_VAR_END} | |
2462 | }; | |
2463 | ||
2464 | static struct configcmd mycmds[] = | |
2465 | { | |
2466 | {"user", conf_user}, | |
2467 | {NULL} | |
2468 | }; | |
2469 | ||
2470 | static struct module me = | |
2471 | { | |
2472 | .name = "ui", | |
2473 | .conf = | |
2474 | { | |
2475 | .vars = myvars, | |
2476 | .cmds = mycmds | |
2477 | }, | |
2478 | .preinit = preinit, | |
2479 | .init = init, | |
2480 | .run = run, | |
2481 | .terminate = terminate | |
2482 | }; | |
2483 | ||
2484 | MODULE(me) |