Fixed sockgetremotename.
[doldaconnect.git] / daemon / ui.c
CommitLineData
d3372da9 1/*
2 * Dolda Connect - Modular multiuser Direct Connect-style client
3 * Copyright (C) 2004 Fredrik Tolf (fredrik@dolda2000.com)
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>
22#include <malloc.h>
23#include <sys/socket.h>
24#include <netinet/in.h>
25#include <netinet/ip6.h>
504ba854 26#include <arpa/inet.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
65#define NOTIF_PEND 0
66#define NOTIF_WAIT 1
67
68struct uidata;
69
70struct command
71{
72 wchar_t *name;
73 void (*handler)(struct socket *sk, struct uidata *data, int argc, wchar_t **argv);
74};
75
76struct qcommand
77{
78 struct qcommand *next;
79 struct command *cmd;
80 int argc;
81 wchar_t **argv;
82};
83
84struct uiuser
85{
86 struct uiuser *next, *prev;
87 int used;
88 wchar_t *name;
89 unsigned long perms;
90 int delete;
91};
92
93struct notif
94{
95 struct notif *next, *prev;
96 struct uidata *ui;
97 int state;
98 int code;
99 double rlimit;
100 size_t argc;
101 struct timer *exptimer;
102 struct notifarg
103 {
104 int dt;
105 union
106 {
107 int n;
108 wchar_t *s;
109 double d;
110 } d;
111 } *argv;
112};
113
114struct uidata
115{
116 struct uidata *next, *prev;
117 struct socket *sk;
118 struct qcommand *queue, *queuelast;
119 struct authhandle *auth;
120 int close;
121 union
122 {
123 struct
124 {
125 int fnact:1;
126 int fnchat:1;
ba86d49a 127 int fnpeer:1;
d3372da9 128 int tract:1;
129 int trprog:1;
130 int srch:1;
131 } b;
132 int w;
133 } notify;
134 wchar_t *username;
135 struct uiuser *userinfo;
136 uid_t uid;
137 struct notif *fnotif, *lnotif;
138 char *fcmdbuf;
139 size_t fcmdbufdata, fcmdbufsize;
140 pid_t fcmdpid;
141 struct socket *fcmdsk;
142 /* Read buffer */
143 char *inbuf;
144 size_t inbufsize, indata;
145 /* Wordset storage */
146 wchar_t **argv;
147 int argc, args;
148 /* WCS conversation stuff */
149 wchar_t *cb; /* Conversation buffer */
150 size_t cbsize, cbdata;
151 iconv_t ichandle;
152 /* Parser data */
153 int ps; /* Parser state */
154 wchar_t *pp; /* Current parse pointer */
155 wchar_t *cw; /* Current word (building storage) */
156 size_t cwsize, cwdata;
157};
158
159static int srcheta(struct search *srch, void *uudata);
160static int srchcommit(struct search *srch, void *uudata);
161static int srchres(struct search *srch, struct srchres *sr, void *uudata);
162
163struct uiuser *users = NULL;
164struct uidata *actives = NULL;
165struct socket *uisocket = NULL;
166
167static wchar_t *quoteword(wchar_t *word)
168{
169 wchar_t *wp, *buf, *bp;
170 int dq, numbs, numc;
171
172 dq = 0;
173 numbs = 0;
174 numc = 0;
175 if(*word == L'\0')
176 {
177 dq = 1;
178 } else {
179 for(wp = word; *wp != L'\0'; wp++)
180 {
181 if(!dq && iswspace(*wp))
182 dq = 1;
183 if((*wp == L'\\') || (*wp == L'\"'))
184 numbs++;
185 numc++;
186 }
187 }
188 if(!dq && !numbs)
189 return(NULL);
190 bp = buf = smalloc(sizeof(wchar_t) * (numc + numbs + (dq?2:0) + 1));
191 if(dq)
192 *(bp++) = L'\"';
193 for(wp = word; *wp != L'\0'; wp++)
194 {
195 if((*wp == L'\\') || (*wp == L'\"'))
196 *(bp++) = L'\\';
197 *(bp++) = *wp;
198 }
199 if(dq)
200 *(bp++) = L'\"';
201 *(bp++) = L'\0';
202 return(buf);
203}
204
205static void sq(struct socket *sk, int cont, ...)
206{
207 int num, freepart;
208 va_list al;
209 char *final;
210 wchar_t *buf;
211 wchar_t *part, *tpart;
212 size_t bufsize, bufdata;
213
214 buf = NULL;
215 bufsize = bufdata = 0;
216 num = 0;
217 va_start(al, cont);
218 while((part = va_arg(al, wchar_t *)) != NULL)
219 {
220 if(*part == L'%')
221 {
222 /*
223 * This kludge demands that all arguments that you call it
224 * with are the size of an int. That happens to be the
225 * case for most datatypes on most platforms and
226 * compilers, but I don't know exactly which ones, and
227 * also a long long is a notable candidate of an arg that
228 * is not the size of an int on 32-bit archs. If it breaks
229 * some existing call on your architecture, please tell
230 * me.
231 */
232 part = vswprintf2(tpart = (part + 1), al);
233 for(; *tpart != L'\0'; tpart++)
234 {
235 if(*tpart == L'%')
236 {
237 if(tpart[1] == L'%')
238 tpart++;
239 else
240 va_arg(al, int);
241 }
242 }
243 freepart = 1;
244 } else {
245 freepart = 0;
246 }
247 if((tpart = quoteword(part)) != NULL)
248 {
249 if(freepart)
250 free(part);
251 part = tpart;
252 freepart = 1;
253 }
254 if((num > 1) || ((num == 1) && !(cont & 1)))
255 addtobuf(buf, L' ');
256 bufcat(buf, part, wcslen(part));
257 if((num == 0) && (cont & 1))
258 addtobuf(buf, L'-');
259 num++;
260 if(freepart)
261 free(part);
262 }
263 if(cont & 2)
264 bufcat(buf, L" \0", 2);
265 else
266 bufcat(buf, L"\r\n\0", 3);
267 if((final = icwcstombs(buf, "utf-8")) == NULL)
268 {
269 flog(LOG_CRIT, "could not convert \"%ls\" into utf-8: %s", buf, strerror(errno));
270 free(buf);
271 return;
272 }
273 va_end(al);
274 free(buf);
275 sockqueue(sk, final, strlen(final));
276 free(final);
277}
278
279struct uiuser *finduser(wchar_t *name)
280{
281 struct uiuser *user;
282
283 for(user = users; user != NULL; user = user->next)
284 {
285 if(!wcscmp(user->name, name))
286 break;
287 }
288 return(user);
289}
290
291static void logout(struct uidata *data)
292{
293 data->userinfo = NULL;
294 if(data->username != NULL)
295 free(data->username);
296 data->username = NULL;
297 if(data->auth != NULL)
298 authputhandle(data->auth);
299 data->auth = NULL;
300}
301
302static int haspriv(struct uidata *data, int perm)
303{
304 if(data->userinfo == NULL)
305 return(0);
306 if(data->userinfo->perms & perm)
307 return(1);
308 else
309 return(0);
310}
311
312/* Useful macros for the command functions: */
313#define haveargs(n) do { if(argc < n) { sq(sk, 0, L"501", L"Wrong number of arguments", NULL); return; } } while(0)
314#define havepriv(p) do { if((data->userinfo == NULL) || ((data->userinfo->perms & (p)) != (p))) { sq(sk, 0, L"502", L"%Unauthorized request - %x needed", (p), NULL); return; } } while(0)
315
316static void cmd_connect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
317{
318 int valid;
504ba854 319 struct in6_addr mv4lo;
d3372da9 320
321 if(confgetint("ui", "onlylocal"))
322 {
323 switch(sk->remote->sa_family)
324 {
325 case AF_INET:
326 valid = ((struct sockaddr_in *)sk->remote)->sin_addr.s_addr == INADDR_LOOPBACK;
327 break;
328 case AF_INET6:
504ba854 329 inet_pton(AF_INET6, "::ffff:127.0.0.1", &mv4lo);
330 valid = 0;
331 if(!memcmp(&((struct sockaddr_in6 *)sk->remote)->sin6_addr, &in6addr_loopback, sizeof(in6addr_loopback)))
332 valid = 1;
333 if(!memcmp(&((struct sockaddr_in6 *)sk->remote)->sin6_addr, &mv4lo, sizeof(in6addr_loopback)))
334 valid = 1;
d3372da9 335 break;
336 default:
337 valid = 0;
338 break;
339 }
340 if(!valid)
341 {
342 sq(sk, 0, L"502", L"Only localhost connections allowed to this host", NULL);
343 sk->close = 1;
344 data->close = 1;
345 return;
346 }
347 }
348 sq(sk, 0, L"200", L"%Dolda Connect daemon v%s", VERSION, NULL);
349}
350
351static void cmd_notfound(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
352{
353 if((argv != NULL) && (argv[0] != NULL))
354 sq(sk, 0, L"500", L"%Command not found: %ls", argv[0], NULL);
355 else
356 sq(sk, 0, L"500", L"No command", NULL);
357}
358
359static void cmd_shutdown(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
360{
361 extern volatile int running;
362
363 havepriv(PERM_ADMIN);
364 flog(LOG_NOTICE, "UI shutdown request from %ls, shutting down", data->username);
365 running = 0;
366 sq(sk, 0, L"200", L"Daemon shutting down", NULL);
367}
368
369static void cmd_quit(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
370{
371 sq(sk, 0, L"200", L"Closing connection", NULL);
372 data->close = 1;
373}
374
375static void cmd_lsauth(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
376{
377 struct authmech *mech, *prev;
378
379 prev = NULL;
380 for(mech = mechs; mech != NULL; mech = mech->next)
381 {
382 if(mech->enabled)
383 {
384 if(prev != NULL)
385 sq(sk, 1, L"200", prev->name, NULL);
386 prev = mech;
387 }
388 }
389 if(prev == NULL)
390 sq(sk, 0, L"201", L"No authentication methods supported", NULL);
391 else
392 sq(sk, 0, L"200", prev->name, NULL);
393}
394
395static void cmd_login(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
396{
397 char *buf;
398 int code;
399 struct passwd *pwd;
400
401 haveargs(3);
402 if(data->username != NULL)
403 {
404 if(data->userinfo != NULL)
405 sq(sk, 0, L"503", L"Already logged in", NULL);
406 else
407 sq(sk, 0, L"503", L"Already logging in", NULL);
408 return;
409 }
410 if((buf = icwcstombs(argv[2], NULL)) == NULL)
411 {
412 sq(sk, 0, L"504", L"Could not convert username to locale charset", NULL);
413 return;
414 }
415 data->username = swcsdup(argv[2]);
416 if((pwd = getpwnam(buf)) == NULL)
417 data->uid = -1;
418 else
419 data->uid = pwd->pw_uid;
420 if((data->auth = initauth(argv[1], buf)) == NULL)
421 {
422 if(errno == ENOENT)
423 sq(sk, 0, L"508", L"No such authentication mechanism", NULL);
424 else
425 sq(sk, 0, L"505", L"Could not initialize authentication system", L"%%s", strerror(errno), NULL);
426 free(buf);
427 logout(data);
428 return;
429 }
430 free(buf);
431 switch(authenticate(data->auth, NULL))
432 {
433 case AUTH_SUCCESS:
434 data->userinfo = finduser(data->username);
435 if(data->userinfo == NULL)
436 data->userinfo = finduser(L"default");
437 if(data->uid == -1)
438 {
439 sq(sk, 0, L"506", L"Authentication error", NULL);
6c9eee05 440 flog(LOG_INFO, "user %ls authenticated successfully from %s, but no account existed", data->username, formataddress(sk->remote, sk->remotelen));
d3372da9 441 logout(data);
442 } else if((data->userinfo == NULL) || (data->userinfo->perms & PERM_DISALLOW)) {
443 sq(sk, 0, L"506", L"Authentication error", NULL);
6c9eee05 444 flog(LOG_INFO, "user %ls authenticated successfully from %s, but was not authorized", data->username, formataddress(sk->remote, sk->remotelen));
d3372da9 445 logout(data);
446 } else {
447 sq(sk, 0, L"200", L"Welcome", NULL);
6c9eee05 448 flog(LOG_INFO, "%ls (UID %i) logged in from %s", data->username, data->uid, formataddress(sk->remote, sk->remotelen));
d3372da9 449 }
450 break;
451 case AUTH_DENIED:
452 sq(sk, 0, L"506", L"Authentication error", L"%%ls", (data->auth->text == NULL)?L"":(data->auth->text), NULL);
6c9eee05 453 flog(LOG_INFO, "authentication failed for %ls from %s", data->username, formataddress(sk->remote, sk->remotelen));
d3372da9 454 logout(data);
455 break;
456 case AUTH_PASS:
457 switch(data->auth->prompt)
458 {
459 case AUTH_PR_AUTO:
460 code = 300;
461 break;
462 case AUTH_PR_NOECHO:
463 code = 301;
464 break;
465 case AUTH_PR_ECHO:
466 code = 302;
467 break;
468 case AUTH_PR_INFO:
469 code = 303;
470 break;
471 case AUTH_PR_ERROR:
472 code = 304;
473 break;
474 }
475 sq(sk, 0, L"%%i", code, data->auth->text, NULL);
476 break;
477 case AUTH_ERR:
478 sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL);
479 logout(data);
480 break;
481 default:
482 flog(LOG_WARNING, "BUG? Non-caught return from authenticate in cmd_login");
483 sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL);
484 logout(data);
485 break;
486 }
487}
488
489static void cmd_pass(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
490{
491 char *buf;
492 int code;
493
494 haveargs(2);
495 if((buf = icwcstombs(argv[1], NULL)) == NULL)
496 {
497 sq(sk, 0, L"504", L"Could not convert data to locale charset", NULL);
498 return;
499 }
500 if((data->auth == NULL) || (data->userinfo != NULL))
501 {
502 sq(sk, 0, L"507", L"Data not expected", NULL);
503 return;
504 }
505 switch(authenticate(data->auth, buf))
506 {
507 case AUTH_SUCCESS:
508 data->userinfo = finduser(data->username);
509 if(data->userinfo == NULL)
510 data->userinfo = finduser(L"default");
511 if(data->uid == -1)
512 {
513 sq(sk, 0, L"506", L"Authentication error", NULL);
6c9eee05 514 flog(LOG_INFO, "user %ls authenticated successfully from %s, but no account existed", data->username, formataddress(sk->remote, sk->remotelen));
d3372da9 515 logout(data);
516 } else if((data->userinfo == NULL) || (data->userinfo->perms & PERM_DISALLOW)) {
517 sq(sk, 0, L"506", L"Authentication error", NULL);
6c9eee05 518 flog(LOG_INFO, "user %ls authenticated successfully from %s, but was not authorized", data->username, formataddress(sk->remote, sk->remotelen));
d3372da9 519 logout(data);
520 } else {
521 sq(sk, 0, L"200", L"Welcome", NULL);
6c9eee05 522 flog(LOG_INFO, "%ls (UID %i) logged in from %s", data->username, data->uid, formataddress(sk->remote, sk->remotelen));
d3372da9 523 }
524 break;
525 case AUTH_DENIED:
526 sq(sk, 0, L"506", L"Authentication error", L"%%ls", (data->auth->text == NULL)?L"":(data->auth->text), NULL);
6c9eee05 527 flog(LOG_INFO, "authentication failed for %ls from %s", data->username, formataddress(sk->remote, sk->remotelen));
d3372da9 528 logout(data);
529 break;
530 case AUTH_PASS:
531 switch(data->auth->prompt)
532 {
533 case AUTH_PR_AUTO:
534 code = 300;
535 break;
536 case AUTH_PR_NOECHO:
537 code = 301;
538 break;
539 case AUTH_PR_ECHO:
540 code = 302;
541 break;
542 case AUTH_PR_INFO:
543 code = 303;
544 break;
545 case AUTH_PR_ERROR:
546 code = 304;
547 break;
548 }
549 sq(sk, 0, L"%%i", code, data->auth->text, NULL);
550 break;
551 case AUTH_ERR:
552 sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL);
553 logout(data);
554 break;
555 default:
556 flog(LOG_WARNING, "BUG? Non-caught return from authenticate in cmd_pass");
557 sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL);
558 logout(data);
559 break;
560 }
561 free(buf);
562}
563
564static void cmd_fnetconnect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
565{
566 int i;
567 char *buf;
568 int err;
569 struct fnetnode *fn;
efc05613 570 struct wcspair *args;
d3372da9 571
572 haveargs(3);
573 havepriv(PERM_FNETCTL);
dd31fcfa 574 for(i = 0, fn = fnetnodes; fn != NULL; i++, fn = fn->next);
575 if((confgetint("fnet", "maxnodes") > 0) && (i >= confgetint("fnet", "maxnodes"))) {
576 sq(sk, 0, L"515", L"Too many fnetnodes connected already", NULL);
577 return;
578 }
d3372da9 579 if((buf = icwcstombs(argv[2], NULL)) == NULL)
580 {
581 sq(sk, 0, L"504", L"Could not convert data to locale charset", NULL);
582 return;
583 }
efc05613 584 args = NULL;
585 for(i = 3; i < argc - 1; i += 2)
586 newwcspair(argv[i], argv[i + 1], &args);
587 fn = fnetinitconnect(argv[1], buf, args);
d3372da9 588 err = errno;
589 free(buf);
590 if(fn == NULL)
591 {
592 if(errno == EPROTONOSUPPORT)
593 sq(sk, 0, L"511", L"No such network name", NULL);
594 else
595 sq(sk, 0, L"509", L"Could not parse the address", L"%%s", strerror(err), NULL);
596 return;
597 }
d3372da9 598 linkfnetnode(fn);
599 fnetsetname(fn, argv[2]);
edda83f2 600 sq(sk, 0, L"200", L"%%i", fn->id, L"Connection under way", NULL);
d3372da9 601 putfnetnode(fn);
d3372da9 602}
603
604static void cmd_lsnodes(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
605{
606 struct fnetnode *fn;
607
608 if(fnetnodes == NULL)
609 {
610 sq(sk, 0, L"201", L"No connected nodes", NULL);
611 return;
612 }
613 for(fn = fnetnodes; fn != NULL; fn = fn->next)
614 {
d1e8b9fd 615 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 616 }
617}
618
619static void cmd_disconnect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
620{
621 struct fnetnode *fn;
622 int i;
623
624 haveargs(2);
625 havepriv(PERM_FNETCTL);
626 /* Note - Programmatical user interfaces must only give one
627 * argument per command, the multiple argument form is only for
628 * convenience when manually controlling the daemon via
629 * eg. telnet. The reason is that the return codes aren't clear
630 * enough for the multiple argument form. */
631 for(i = 1; i < argc; i++)
632 {
633 if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL)
634 {
635 sq(sk, 0, L"510", L"No such node", NULL);
636 return;
637 }
638 killfnetnode(fn);
639 unlinkfnetnode(fn);
640 }
641 sq(sk, 0, L"200", L"Node flagged for disconnection", NULL);
642}
643
644static void cmd_lspa(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
645{
646 struct fnetnode *fn;
647 struct fnetpeerdatum *datum;
648
649 haveargs(2);
650 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
651 {
652 sq(sk, 0, L"510", L"No such node", NULL);
653 return;
654 }
655 if(fn->peerdata == NULL)
656 {
657 sq(sk, 0, L"201", L"No data available", NULL);
658 } else {
659 for(datum = fn->peerdata; datum != NULL; datum = datum->next)
660 sq(sk, (datum->next != NULL)?1:0, L"200", datum->id, L"%%i", datum->datatype, NULL);
661 }
662}
663
664static void cmd_lspeers(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
665{
666 int i;
667 struct fnetnode *fn;
668 struct fnetpeer *peer;
669 wchar_t buf[40];
670
671 haveargs(2);
672 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
673 {
674 sq(sk, 0, L"510", L"No such node", NULL);
675 return;
676 }
677 if(fn->peers == NULL)
678 {
679 sq(sk, 0, L"201", L"No peers avaiable", NULL);
680 } else {
681 for(peer = fn->peers; peer != NULL; peer = peer->next)
682 {
683 sq(sk, 2 | ((peer->next != NULL)?1:0), L"200", peer->id, peer->nick, NULL);
684 for(i = 0; i < peer->dinum; i++)
685 {
686 if(peer->peerdi[i].datum->datatype == FNPD_INT)
687 sq(sk, 2, peer->peerdi[i].datum->id, L"%%i", peer->peerdi[i].data.num, NULL);
688 /* Note: A long long is not the size of an int, so
689 * sq() can't handle the conversion itself. */
690 if(peer->peerdi[i].datum->datatype == FNPD_LL)
691 {
692 swprintf(buf, 40, L"%lli", peer->peerdi[i].data.lnum);
693 sq(sk, 2, peer->peerdi[i].datum->id, buf, NULL);
694 }
695 if((peer->peerdi[i].datum->datatype == FNPD_STR) && (peer->peerdi[i].data.str != NULL))
696 sq(sk, 2, peer->peerdi[i].datum->id, peer->peerdi[i].data.str, NULL);
697 }
698 sq(sk, 0, NULL);
699 }
700 }
701}
702
703static void cmd_download(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
704{
705 int i;
706 struct fnet *net;
707 struct fnetnode *fn;
708 struct transfer *transfer;
709 struct fnetpeer *peer;
710
711 haveargs(4);
712 if((argc > 5) && ((argc % 2) == 0))
713 {
714 sq(sk, 0, L"501", L"Must have an even number of arguments", NULL);
715 return;
716 }
717 havepriv(PERM_TRANS);
718 if((*(argv[1]) >= L'0') && (*(argv[1]) <= L'9'))
719 {
720 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
721 {
722 sq(sk, 0, L"510", L"No such node", NULL);
723 return;
724 }
725 net = fn->fnet;
726 } else {
727 fn = NULL;
728 if((net = findfnet(argv[1])) == NULL)
729 {
730 sq(sk, 0, L"511", L"No such network name", NULL);
731 return;
732 }
733 }
734 transfer = newtransfer();
735 authgethandle(transfer->auth = data->auth);
736 transfer->fnet = net;
737 transfer->peerid = swcsdup(argv[2]);
738 transfer->path = swcsdup(argv[3]);
739 transfer->dir = TRNSD_DOWN;
740 transfer->owner = data->uid;
741 if(fn != NULL)
742 {
743 transfer->fn = fn;
744 getfnetnode(fn);
745 linktransfer(transfer);
746 if(((peer = fnetfindpeer(fn, transfer->peerid)) != NULL) && (peer->nick != NULL))
747 transfersetnick(transfer, peer->nick);
748 } else {
749 linktransfer(transfer);
750 }
751 if(argc > 4)
752 transfersetsize(transfer, wcstol(argv[4], NULL, 0));
753 if(argc > 5)
754 {
755 for(i = 5; i < argc; i += 2)
5123bec0 756 {
757 if(!wcscmp(argv[i], L"hash"))
758 {
a04fc9ff 759 transfersethash(transfer, parsehash(argv[i + 1]));
5123bec0 760 } else {
9ec790e8 761 newwcspair(argv[i], argv[i + 1], &transfer->args);
5123bec0 762 }
763 }
d3372da9 764 }
765 sq(sk, 0, L"200", L"%%i", transfer->id, L"Download queued", NULL);
766 transfersetactivity(transfer, L"create");
767}
768
769static void cmd_lstrans(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
770{
771 struct transfer *transfer, *pt;
772
773 havepriv(PERM_TRANS);
774 pt = NULL;
775 for(transfer = transfers; transfer != NULL; transfer = transfer->next)
776 {
777 if((transfer->dir != TRNSD_DOWN) || (transfer->owner == data->uid))
778 {
779 if(pt != NULL)
780 sq(sk, 1, L"200", L"%%i", pt->id, L"%%i", pt->dir,
781 L"%%i", pt->state, pt->peerid,
782 (pt->peernick == NULL)?L"":(pt->peernick),
783 (pt->path == NULL)?L"":(pt->path),
784 L"%%i", pt->size, L"%%i", pt->curpos,
5123bec0 785 (pt->hash == NULL)?L"":unparsehash(pt->hash),
d3372da9 786 NULL);
787 pt = transfer;
788 }
789 }
790 if(pt == NULL)
791 sq(sk, 0, L"201", L"No transfers", NULL);
792 else
793 sq(sk, 0, L"200", L"%%i", pt->id, L"%%i", pt->dir,
794 L"%%i", pt->state, pt->peerid,
795 (pt->peernick == NULL)?L"":(pt->peernick),
796 (pt->path == NULL)?L"":(pt->path),
797 L"%%i", pt->size, L"%%i", pt->curpos,
5123bec0 798 (pt->hash == NULL)?L"":unparsehash(pt->hash),
d3372da9 799 NULL);
800}
801
802static void cmd_cancel(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
803{
804 struct transfer *transfer;
805
806 haveargs(2);
807 havepriv(PERM_TRANS);
808 if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL)
809 {
810 sq(sk, 0, L"512", L"No such transfer", NULL);
811 return;
812 }
813 if((transfer->dir == TRNSD_UP) && !(data->userinfo->perms & PERM_TRANSCU))
814 {
815 sq(sk, 0, L"502", L"You are not allowed to cancel uploads", NULL);
816 return;
817 }
818 if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid))
819 {
820 sq(sk, 0, L"502", L"You do not own that transfer", NULL);
821 return;
822 }
823 transfer->close = 1;
824 sq(sk, 0, L"200", L"Transfer cancelled", NULL);
825}
826
827static void cmd_notify(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
828{
829 int i, val;
830
831 if((argc % 2) != 1)
832 {
833 sq(sk, 0, L"501", L"Must have an even number of arguments", NULL);
834 return;
835 }
836 for(i = 1; i < argc; i += 2)
837 {
838 if(!wcscasecmp(argv[i + 1], L"on"))
839 val = 1;
840 else
841 val = 0;
842 if(!wcscasecmp(argv[i], L"all"))
843 {
844 if(val)
845 data->notify.w = ~0;
846 else
847 data->notify.w = 0;
848 } else if(!wcscasecmp(argv[i], L"fn:chat")) {
849 data->notify.b.fnchat = val;
850 } else if(!wcscasecmp(argv[i], L"fn:act")) {
851 data->notify.b.fnact = val;
ba86d49a 852 } else if(!wcscasecmp(argv[i], L"fn:peer")) {
853 data->notify.b.fnpeer = val;
d3372da9 854 } else if(!wcscasecmp(argv[i], L"trans:act")) {
855 data->notify.b.tract = val;
856 } else if(!wcscasecmp(argv[i], L"trans:prog")) {
857 data->notify.b.trprog = val;
858 } else if(!wcscasecmp(argv[i], L"srch:act")) {
859 data->notify.b.srch = val;
860 }
861 }
862 sq(sk, 0, L"200", L"Notification alteration succeeded", NULL);
863}
864
865static void cmd_sendchat(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
866{
867 struct fnetnode *fn;
868 int public;
869
870 haveargs(5);
871 havepriv(PERM_CHAT);
872 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
873 {
874 sq(sk, 0, L"510", L"No such node", NULL);
875 return;
876 }
877 public = wcstol(argv[2], NULL, 0);
878 if((public != 0) && (public != 1))
879 {
880 sq(sk, 0, L"509", L"Second argument must be 0 or 1", NULL);
881 return;
882 }
883 if(fn->state != FNN_EST)
884 {
885 sq(sk, 0, L"513", L"Hub is in state FNN_EST", NULL);
886 return;
887 }
888 if(fnetsendchat(fn, public, argv[3], argv[4]))
889 {
890 if(errno == ENOTSUP)
891 sq(sk, 0, L"513", L"This network does not support chatting", NULL);
892 else if(errno == EPERM)
893 sq(sk, 0, L"502", L"This node does not allow you to chat", NULL);
894 else if(errno == EILSEQ)
895 sq(sk, 0, L"504", L"This network could not support all the characters in that message", NULL);
896 else
897 sq(sk, 0, L"505", L"Could not chat", NULL);
898 return;
899 }
900 sq(sk, 0, L"200", L"Chat string sent", NULL);
901}
902
903static void cmd_search(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
904{
905 struct search *srch;
906 struct fnetnode *fn;
907 struct sexpr *sexpr;
908 int i;
909
910 haveargs(3);
911 havepriv(PERM_SRCH);
912 srch = newsearch(data->username, NULL);
913 for(i = 1; i < argc; i++)
914 {
915 if(!wcscmp(argv[i], L"all"))
916 {
917 for(fn = fnetnodes; fn != NULL; fn = fn->next)
918 {
919 if(fn->state == FNN_EST)
920 searchaddfn(srch, fn);
921 }
922 i++;
923 break;
924 } else if(!wcscmp(argv[i], L"prio")) {
925 if(++i == argc)
926 {
927 sq(sk, 0, L"501", L"No argument to prio", NULL);
928 freesearch(srch);
929 return;
930 }
931 srch->prio = wcstol(argv[i], NULL, 0);
932 } else if(iswdigit(*argv[i])) {
933 if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL)
934 {
935 sq(sk, 0, L"510", L"No such node", NULL);
936 freesearch(srch);
937 return;
938 }
939 searchaddfn(srch, fn);
940 } else {
941 break;
942 }
943 }
944 if(srch->fnl == NULL)
945 {
946 sq(sk, 0, L"501", L"No fnetnodes to search found on line", NULL);
947 freesearch(srch);
948 return;
949 }
950 if(i == argc)
951 {
952 sq(sk, 0, L"501", L"No search expression found on line", NULL);
953 freesearch(srch);
954 return;
955 }
956 if((sexpr = parsesexpr(argc - i, argv + i)) == NULL)
957 {
958 sq(sk, 0, L"509", L"Could not parse search expression", NULL);
959 freesearch(srch);
960 return;
961 }
962 optsexpr(sexpr);
963 getsexpr(srch->sexpr = sexpr);
964 queuesearch(srch);
965 CBREG(srch, search_eta, srcheta, NULL, NULL);
966 CBREG(srch, search_commit, srchcommit, NULL, NULL);
967 CBREG(srch, search_result, srchres, NULL, NULL);
968 sq(sk, 0, L"200", L"%%i", srch->id, L"%%i", srch->eta - time(NULL), NULL);
969 putsexpr(sexpr);
970}
971
972static void cmd_lssrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
973{
974 struct search *srch, *pt;
975 time_t now;
976
977 havepriv(PERM_SRCH);
978 pt = NULL;
979 now = time(NULL);
980 for(srch = searches; srch != NULL; srch = srch->next)
981 {
982 if(!wcscmp(srch->owner, data->username))
983 {
984 if(pt != NULL)
985 sq(sk, 1, L"200", L"%%i", pt->id, L"%%i", pt->state, L"%%i", pt->eta - now, L"%%i", pt->numres, NULL);
986 pt = srch;
987 }
988 }
989 if(pt == NULL)
990 sq(sk, 0, L"201", L"No searches", NULL);
991 else
992 sq(sk, 0, L"200", L"%%i", pt->id, L"%%i", pt->state, L"%%i", pt->eta - now, L"%%i", pt->numres, NULL);
993}
994
995static void cmd_lssr(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
996{
997 struct search *srch;
998 struct srchres *sr;
999 wchar_t buf[64];
1000
1001 haveargs(2);
1002 havepriv(PERM_SRCH);
1003 if((srch = findsearch(wcstol(argv[1], NULL, 0))) == NULL)
1004 {
1005 sq(sk, 0, L"514", L"No such search", NULL);
1006 return;
1007 }
1008 if(srch->results == NULL)
1009 {
1010 sq(sk, 0, L"201", L"No results", NULL);
1011 } else {
1012 for(sr = srch->results; sr != NULL; sr = sr->next)
1013 {
1014 swprintf(buf, 64, L"%f", sr->time);
65643d01 1015 sq(sk, (sr->next != NULL)?1:0, L"200", L"%%ls", sr->filename, sr->fnet->name, L"%%ls", sr->peerid, L"%%i", sr->size, L"%%i", sr->slots, L"%%i", (sr->fn == NULL)?-1:(sr->fn->id), buf, L"%%ls", (sr->hash == NULL)?L"":unparsehash(sr->hash), NULL);
d3372da9 1016 }
1017 }
1018}
1019
1020static void cmd_cansrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1021{
1022 struct search *srch;
1023 int i;
1024
1025 haveargs(2);
1026 havepriv(PERM_SRCH);
1027 /* Note - Programmatical user interfaces must only give one
1028 * argument per command, the multiple argument form is only for
1029 * convenience when manually controlling the daemon via
1030 * eg. telnet. The reason is that the return codes aren't clear
1031 * enough for the multiple argument form. */
1032 for(i = 1; i < argc; i++)
1033 {
1034 if((srch = findsearch(wcstol(argv[i], NULL, 0))) == NULL)
1035 {
1036 sq(sk, 0, L"514", L"No such search", NULL);
1037 return;
1038 }
1039 freesearch(srch);
1040 }
1041 sq(sk, 0, L"200", L"Search cancelled", NULL);
1042}
1043
1044static void fcmdread(struct socket *sk, struct uidata *data)
1045{
1046 char *buf;
1047 size_t bufsize;
1048
1049 if((buf = sockgetinbuf(sk, &bufsize)) == NULL)
1050 return;
1051 bufcat(data->fcmdbuf, buf, bufsize);
1052 free(buf);
1053}
1054
1055static void fcmderr(struct socket *sk, int err, struct uidata *data)
1056{
1057 wchar_t *wbuf, *p, *p2;
1058
1059 if(err)
1060 {
1061 flog(LOG_WARNING, "error occurred on filtercmd pipe socket: %s", strerror(err));
1062 kill(-data->fcmdpid, SIGHUP);
1063 putsock(data->fcmdsk);
1064 data->fcmdsk = NULL;
1065 if(data->fcmdbuf != NULL)
1066 {
1067 free(data->fcmdbuf);
1068 data->fcmdbuf = NULL;
1069 }
1070 data->fcmdbufsize = data->fcmdbufdata = 0;
1071 sq(data->sk, 0, L"505", L"An error occurred on the pipe to the filtercmd", L"%%s", strerror(err), NULL);
1072 return;
1073 }
1074 putsock(data->fcmdsk);
1075 data->fcmdsk = NULL;
1076 data->fcmdpid = 0;
1077 if(data->fcmdbuf == NULL)
1078 {
1079 wbuf = swcsdup(L"");
1080 } else {
1081 addtobuf(data->fcmdbuf, 0);
1082 wbuf = icmbstowcs(data->fcmdbuf, NULL);
1083 free(data->fcmdbuf);
1084 }
1085 data->fcmdbuf = NULL;
1086 data->fcmdbufsize = data->fcmdbufdata = 0;
1087 if(wbuf == NULL)
1088 {
1089 sq(data->sk, 0, L"504", L"Filtercmd sent data which could not be converted from the local charset", NULL);
1090 return;
1091 }
1092 p = wbuf;
1093 for(p2 = wcschr(p, L'\n'); p2 != NULL; p2 = wcschr(p, L'\n'))
1094 {
1095 *(p2++) = L'\0';
1096 sq(data->sk, (*p2 == L'\0')?0:1, L"200", L"%%ls", p, NULL);
1097 p = p2;
1098 }
1099 if(*p == L'\0')
1100 {
1101 if(p == wbuf)
1102 sq(data->sk, 0, L"201", L"No data returned", NULL);
1103 } else {
1104 sq(data->sk, 0, L"200", L"%%ls", p, NULL);
1105 }
1106 free(wbuf);
1107}
1108
1109static void cmd_filtercmd(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1110{
1111 int i;
1112 pid_t pid;
1113 int pipe;
1114 char **cargv, **pp;
1115 char *filtercmd, *argbuf;
1116 size_t cargvsize, cargvdata;
1117 struct passwd *pwent;
1118
1119 haveargs(2);
1120 havepriv(PERM_TRANS);
1121 if((pwent = getpwuid(data->uid)) == NULL)
1122 {
1123 flog(LOG_WARNING, "no passwd entry for UI user %i", data->uid);
1124 sq(sk, 0, L"505", L"System error - Could not fork session", "Internal error", NULL);
1125 return;
1126 }
1127 if((filtercmd = findfile(icswcstombs(confgetstr("ui", "filtercmd"), NULL, NULL), "dcdl-filtercmd", pwent->pw_dir)) == NULL)
1128 {
1129 flog(LOG_WARNING, "could not find filtercmd executable for user %s", pwent->pw_name);
1130 sq(sk, 0, L"505", L"System error - Could not fork session", L"Could not find filtercmd executable", NULL);
1131 return;
1132 }
1133 cargv = NULL;
1134 cargvsize = cargvdata = 0;
1135 addtobuf(cargv, filtercmd);
1136 for(i = 1; i < argc; i++)
1137 {
1138 if((argbuf = icwcstombs(argv[i], NULL)) == NULL)
1139 {
1140 for(i = 0; i < cargvdata; i++)
1141 free(cargv[i]);
1142 free(cargv);
1143 sq(sk, 0, L"504", L"%Could not convert argument %i into local character set", i, L"%%s", strerror(errno), NULL);
1144 return;
1145 }
1146 addtobuf(cargv, argbuf);
1147 }
1148 addtobuf(cargv, NULL);
1149 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)
1150 {
1151 flog(LOG_WARNING, "could not fork session in filtercmd: %s", strerror(errno));
1152 sq(sk, 0, L"505", L"System error - Could not fork session", L"%%s", strerror(errno), NULL);
1153 return;
1154 }
1155 if(pid == 0)
1156 {
1157 execv(filtercmd, cargv);
1158 flog(LOG_WARNING, "could not exec filtercmd %s: %s", filtercmd, strerror(errno));
1159 exit(127);
1160 }
1161 for(pp = cargv; *pp; pp++)
1162 free(*pp);
1163 free(cargv);
1164 data->fcmdsk = wrapsock(pipe);
1165 data->fcmdpid = pid;
1166 if(data->fcmdbuf != NULL)
1167 {
1168 free(data->fcmdbuf);
1169 data->fcmdbuf = NULL;
1170 }
1171 data->fcmdbufsize = data->fcmdbufdata = 0;
1172 data->fcmdsk->data = data;
1173 data->fcmdsk->readcb = (void (*)(struct socket *, void *))fcmdread;
1174 data->fcmdsk->errcb = (void (*)(struct socket *, int, void *))fcmderr;
1175}
1176
1177static void cmd_lstrarg(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1178{
1179 struct transfer *transfer;
9ec790e8 1180 struct wcspair *ta;
d3372da9 1181
1182 haveargs(2);
1183 havepriv(PERM_TRANS);
1184 if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL)
1185 {
1186 sq(sk, 0, L"512", L"No such transfer", NULL);
1187 return;
1188 }
1189 if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid))
1190 {
1191 sq(sk, 0, L"502", L"You do not own that transfer", NULL);
1192 return;
1193 }
1194 if(transfer->args == NULL)
1195 {
1196 sq(sk, 0, L"201", L"Transfer has no arguments", NULL);
1197 } else {
1198 for(ta = transfer->args; ta != NULL; ta = ta->next)
9ec790e8 1199 sq(sk, ta->next != NULL, L"200", L"%%ls", ta->key, L"%%ls", ta->val, NULL);
d3372da9 1200 }
1201}
1202
1203static void cmd_hashstatus(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1204{
1205 struct sharecache *node;
1206 int total, hashed;
1207
1208 total = hashed = 0;
1209 for(node = shareroot->child; node != NULL; node = nextscnode(node))
1210 {
1211 if(node->f.b.type == FILE_REG)
1212 {
1213 total++;
1214 if(node->f.b.hastth)
1215 hashed++;
1216 }
1217 }
1218 sq(sk, 0, L"200", L"%%i", total, L"tth", L"%%i", hashed, NULL);
1219}
1220
796283c6 1221static void cmd_transstatus(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1222{
1223 wchar_t *buf1, *buf2;
1224
1225 havepriv(PERM_TRANS);
1226 buf1 = swprintf2(L"%lli", bytesdownload);
1227 buf2 = swprintf2(L"%lli", bytesupload);
1228 sq(sk, 0, L"200", L"%%ls", buf1, L"%%ls", buf2, NULL);
1229 free(buf1);
1230 free(buf2);
1231}
1232
d3372da9 1233#undef haveargs
1234#undef havepriv
1235
1236/*
1237 * Reserved command numbers for nameless commands:
1238 * 0: Issued when a client has connected
1239 * 1: Issued when a named command couldn't be found
1240 */
1241
1242static struct command commands[] =
1243{
1244 {NULL, cmd_connect},
1245 {NULL, cmd_notfound},
1246 {L"shutdown", cmd_shutdown},
1247 {L"quit", cmd_quit},
1248 {L"lsauth", cmd_lsauth},
1249 {L"login", cmd_login},
1250 {L"pass", cmd_pass},
1251 {L"cnct", cmd_fnetconnect},
1252 {L"lsnodes", cmd_lsnodes},
1253 {L"dcnct", cmd_disconnect},
1254 {L"lspa", cmd_lspa},
1255 {L"lspeers", cmd_lspeers},
1256 {L"download", cmd_download},
1257 {L"lstrans", cmd_lstrans},
1258 {L"cancel", cmd_cancel},
1259 {L"notify", cmd_notify},
1260 {L"sendchat", cmd_sendchat},
1261 {L"search", cmd_search},
1262 {L"lssrch", cmd_lssrch},
1263 {L"lssr", cmd_lssr},
1264 {L"cansrch", cmd_cansrch},
1265 {L"filtercmd", cmd_filtercmd},
1266 {L"lstrarg", cmd_lstrarg},
1267 {L"hashstatus", cmd_hashstatus},
796283c6 1268 {L"transstatus", cmd_transstatus},
d3372da9 1269 {NULL, NULL}
1270};
1271
1272static void freequeuecmd(struct qcommand *qcmd)
1273{
1274 int i;
1275
1276 if(qcmd->argv != NULL)
1277 {
1278 for(i = 0; i < qcmd->argc; i++)
1279 free(qcmd->argv[i]);
1280 free(qcmd->argv);
1281 }
1282 free(qcmd);
1283}
1284
1285static struct qcommand *unlinkqcmd(struct uidata *data)
1286{
1287 struct qcommand *qcmd;
1288
1289 qcmd = data->queue;
1290 if(qcmd != NULL)
1291 {
1292 data->queue = qcmd->next;
1293 if(qcmd == data->queuelast)
1294 data->queuelast = qcmd->next;
1295 }
1296 return(qcmd);
1297}
1298
ba86d49a 1299static void notifappendv(struct notif *notif, va_list args)
d3372da9 1300{
d3372da9 1301 int dt, ca;
1302
d3372da9 1303 while((dt = va_arg(args, int)) != NOTIF_END)
1304 {
1305 ca = notif->argc;
1306 notif->argv = realloc(notif->argv, sizeof(*notif->argv) * ++notif->argc);
1307 notif->argv[ca].dt = dt;
1308 switch(dt)
1309 {
1310 case NOTIF_INT:
1311 case NOTIF_ID:
1312 notif->argv[ca].d.n = va_arg(args, int);
1313 break;
1314 case NOTIF_STR:
1315 notif->argv[ca].d.s = wcsdup(va_arg(args, wchar_t *));
1316 break;
1317 case NOTIF_FLOAT:
1318 notif->argv[ca].d.d = va_arg(args, double);
1319 break;
1320 }
1321 }
ba86d49a 1322}
1323
1324static void notifappend(struct notif *notif, ...)
1325{
1326 va_list args;
1327
1328 va_start(args, notif);
1329 notifappendv(notif, args);
1330 va_end(args);
1331}
1332
1333static struct notif *newnotif(struct uidata *data, int code, ...)
1334{
1335 struct notif *notif;
1336 va_list args;
1337
1338 notif = smalloc(sizeof(*notif));
1339 memset(notif, 0, sizeof(*notif));
1340 notif->rlimit = 0.0;
1341 notif->ui = data;
1342 notif->code = code;
1343 va_start(args, code);
1344 notifappendv(notif, args);
d3372da9 1345 va_end(args);
1346 notif->next = NULL;
1347 notif->prev = data->lnotif;
1348 if(data->lnotif != NULL)
1349 data->lnotif->next = notif;
1350 else
1351 data->fnotif = notif;
1352 data->lnotif = notif;
1353 return(notif);
1354}
1355
1356static void freenotif(struct notif *notif)
1357{
1358 int i;
1359
1360 if(notif->next != NULL)
1361 notif->next->prev = notif->prev;
1362 if(notif->prev != NULL)
1363 notif->prev->next = notif->next;
1364 if(notif == notif->ui->fnotif)
1365 notif->ui->fnotif = notif->next;
1366 if(notif == notif->ui->lnotif)
1367 notif->ui->lnotif = notif->prev;
1368 if(notif->exptimer != NULL)
1369 canceltimer(notif->exptimer);
1370 for(i = 0; i < notif->argc; i++)
1371 {
1372 if(notif->argv[i].dt == NOTIF_STR)
1373 free(notif->argv[i].d.s);
1374 }
1375 if(notif->argv != NULL)
1376 free(notif->argv);
1377 free(notif);
1378}
1379
1380static void notifexpire(int cancelled, struct notif *notif)
1381{
1382 notif->exptimer = NULL;
1383 if(!cancelled)
1384 freenotif(notif);
1385}
1386
1387static struct notif *findnotif(struct notif *notif, int dir, int state, int code, int id)
1388{
1389 int i, cont;
1390
1391 for(; notif != NULL; notif = (dir?notif->next:notif->prev))
1392 {
1393 if((notif->code == code) && ((state < 0) || (state == notif->state)))
1394 {
1395 cont = 0;
1396 if(id >= 0)
1397 {
1398 for(i = 0; i < notif->argc; i++)
1399 {
1400 if((notif->argv[i].dt == NOTIF_ID) && (notif->argv[i].d.n != id))
1401 {
1402 cont = 1;
1403 break;
1404 }
1405 }
1406 }
1407 if(cont)
1408 continue;
1409 break;
1410 }
1411 }
1412 return(notif);
1413}
1414
1415static void freeuidata(struct uidata *data)
1416{
1417 int i;
1418 struct qcommand *qcmd;
1419
1420 if(data->next != NULL)
1421 data->next->prev = data->prev;
1422 if(data->prev != NULL)
1423 data->prev->next = data->next;
1424 if(data == actives)
1425 actives = data->next;
1426 data->sk->readcb = NULL;
1427 data->sk->errcb = NULL;
1428 putsock(data->sk);
1429 while((qcmd = unlinkqcmd(data)) != NULL)
1430 freequeuecmd(qcmd);
1431 iconv_close(data->ichandle);
1432 if(data->cw != NULL)
1433 free(data->cw);
1434 if(data->cb != NULL)
1435 free(data->cb);
1436 if(data->argv != NULL)
1437 {
1438 for(i = 0; i < data->argc; i++)
1439 free(data->argv[i]);
1440 free(data->argv);
1441 }
1442 if(data->auth != NULL)
1443 authputhandle(data->auth);
1444 if(data->username != NULL)
1445 {
1446 if(data->userinfo != NULL)
1447 flog(LOG_INFO, "%ls logged out", data->username);
1448 free(data->username);
1449 }
1450 free(data->inbuf);
1451 while(data->fnotif != NULL)
1452 freenotif(data->fnotif);
1453 if(data->fcmdbuf != NULL)
1454 free(data->fcmdbuf);
1455 if(data->fcmdpid != 0)
1456 kill(-data->fcmdpid, SIGHUP);
1457 if(data->fcmdsk != NULL)
1458 putsock(data->fcmdsk);
1459 free(data);
1460}
1461
1462static void queuecmd(struct uidata *data, struct command *cmd, int argc, wchar_t **argv)
1463{
1464 struct qcommand *new;
1465
1466 new = smalloc(sizeof(*new));
1467 new->cmd = cmd;
1468 new->argc = argc;
1469 new->argv = argv;
1470 new->next = NULL;
1471 if(data->queuelast != NULL)
1472 data->queuelast->next = new;
1473 data->queuelast = new;
1474 if(data->queue == NULL)
1475 data->queue = new;
1476}
1477
1478static struct uidata *newuidata(struct socket *sk)
1479{
1480 struct uidata *data;
1481
1482 data = smalloc(sizeof(*data));
1483 memset(data, 0, sizeof(*data));
1484 data->sk = sk;
1485 getsock(sk);
1486 data->inbuf = smalloc(1024);
1487 data->uid = -1;
1488 if((data->ichandle = iconv_open("wchar_t", "utf-8")) == (iconv_t)-1)
1489 {
1490 flog(LOG_CRIT, "iconv cannot handle UTF-8: %s", strerror(errno));
1491 return(NULL);
1492 }
1493 data->next = actives;
1494 data->prev = NULL;
1495 if(actives != NULL)
1496 actives->prev = data;
1497 actives = data;
1498 return(data);
1499}
1500
1501static void uiread(struct socket *sk, struct uidata *data)
1502{
1503 int ret, done;
1504 char *newbuf;
1505 char *p1, *p2;
1506 wchar_t *porig;
1507 size_t datalen, len2;
1508 struct command *cur;
1509
1510 if(data->indata > 1024)
1511 data->indata = 0;
1512 if((newbuf = sockgetinbuf(sk, &datalen)) == NULL)
1513 return;
1514 sizebuf(&data->inbuf, &data->inbufsize, data->indata + datalen, 1, 1);
1515 memcpy(data->inbuf + data->indata, newbuf, datalen);
1516 free(newbuf);
1517 data->indata += datalen;
1518 if(data->cb == NULL)
1519 {
1520 data->cb = smalloc(sizeof(wchar_t) * (data->cbsize = 64));
1521 data->cbdata = 0;
1522 data->pp = data->cb;
1523 }
1524 done = 0;
1525 while(!done)
1526 {
1527 if(data->cbsize == data->cbdata)
1528 {
1529 len2 = data->pp - data->cb;
1530 data->cb = srealloc(data->cb, sizeof(wchar_t) * (data->cbsize *= 2));
1531 data->pp = data->cb + len2;
1532 }
1533 p1 = data->inbuf;
1534 p2 = (char *)(porig = (data->cb + data->cbdata));
1535 len2 = sizeof(wchar_t) * (data->cbsize - data->cbdata);
1536 ret = iconv(data->ichandle, &p1, &data->indata, &p2, &len2);
1537 memmove(data->inbuf, p1, data->indata);
1538 /* Just a sanity check */
1539 if(((p2 - ((char *)data->cb)) % sizeof(wchar_t)) != 0)
1540 {
1541 flog(LOG_CRIT, "Aiya! iconv does strange things to our wchar_t's!");
1542 abort();
1543 }
1544 data->cbdata += (((wchar_t *)p2) - porig);
1545 if(ret < 0)
1546 {
1547 switch(errno)
1548 {
1549 case EILSEQ:
1550 /* XXX: Should this really just ignore it? */
1551 data->indata = 0;
1552 done = 1;
1553 break;
1554 case EINVAL:
1555 done = 1;
1556 break;
1557 case E2BIG:
1558 /* Just a sanity check */
1559 if(data->cbsize != data->cbdata)
1560 {
1561 flog(LOG_CRIT, "Aiya! iconv doesn't give us wchar_t's!");
1562 abort();
1563 }
1564 break;
1565 default:
1566 flog(LOG_WARNING, "bug: strange error from iconv in uiread: %s", strerror(errno));
1567 break;
1568 }
1569 } else {
1570 done = 1;
1571 }
1572 }
1573 done = 0;
1574 while(!done && (data->pp - data->cb < data->cbdata))
1575 {
1576 switch(data->ps)
1577 {
1578 case 0:
1579 if(iswspace(*data->pp))
1580 {
1581 if(*data->pp == L'\r')
1582 {
1583 if(data->pp == data->cb + data->cbdata - 1)
1584 {
1585 done = 1;
1586 break;
1587 }
1588 if(*(++data->pp) == L'\n')
1589 {
1590 if((data->argv != NULL) && (data->argv[0] != NULL))
1591 {
1592 for(cur = commands; cur->handler != NULL; cur++)
1593 {
1594 if(cur->name == NULL)
1595 continue;
1596 if(!wcscasecmp(cur->name, data->argv[0]))
1597 {
1598 queuecmd(data, cur, data->argc, data->argv);
1599 break;
1600 }
1601 }
1602 if(cur->handler == NULL)
1603 queuecmd(data, &commands[1], data->argc, data->argv);
1604 } else {
1605 queuecmd(data, &commands[1], data->argc, data->argv);
1606 }
1607 data->argv = NULL;
1608 data->args = 0;
1609 data->argc = 0;
1610 wmemmove(data->cb, data->pp, data->cbdata -= (data->pp - data->cb));
1611 data->pp = data->cb;
1612 } else {
1613 data->pp++;
1614 }
1615 } else {
1616 data->pp++;
1617 }
1618 } else {
1619 data->ps = 1;
1620 data->cwdata = 0;
1621 }
1622 break;
1623 case 1:
1624 if(iswspace(*data->pp))
1625 {
1626 addtobuf(data->cw, L'\0');
1627 sizebuf(&data->argv, &data->args, data->argc + 1, sizeof(*data->argv), 1);
1628 data->argv[data->argc++] = data->cw;
1629 data->cw = NULL;
1630 data->cwsize = 0;
1631 data->cwdata = 0;
1632 data->ps = 0;
1633 } else if(*data->pp == L'\"') {
1634 data->ps = 2;
1635 data->pp++;
1636 } else if(*data->pp == L'\\') {
1637 if(data->pp == data->cb + data->cbdata - 1)
1638 {
1639 done = 1;
1640 break;
1641 }
1642 addtobuf(data->cw, *(++data->pp));
1643 data->pp++;
1644 } else {
1645 addtobuf(data->cw, *(data->pp++));
1646 }
1647 break;
1648 case 2:
1649 if(*data->pp == L'\"')
1650 {
1651 data->ps = 1;
1652 } else if(*data->pp == L'\\') {
1653 if(data->pp == data->cb + data->cbdata - 1)
1654 {
1655 done = 1;
1656 break;
1657 }
1658 addtobuf(data->cw, *(++(data->pp)));
1659 } else {
1660 addtobuf(data->cw, *data->pp);
1661 }
1662 data->pp++;
1663 break;
1664 }
1665 }
1666}
1667
1668static void uierror(struct socket *sk, int err, struct uidata *data)
1669{
1670 if(err)
1671 flog(LOG_WARNING, "error occurred on UI socket: %s", strerror(err));
1672 freeuidata(data);
1673}
1674
1675static void uiaccept(struct socket *sk, struct socket *newsk, void *data)
1676{
1677 struct uidata *uidata;
1678
1679 newsk->data = uidata = newuidata(newsk);
1680 socksettos(newsk, confgetint("ui", "uitos"));
1681 if(uidata == NULL)
1682 return;
1683 newsk->errcb = (void (*)(struct socket *, int, void *))uierror;
1684 newsk->readcb = (void (*)(struct socket *, void *))uiread;
1685 queuecmd(uidata, &commands[0], 0, NULL);
1686}
1687
1688static int srcheta(struct search *srch, void *uudata)
1689{
1690 struct uidata *data;
1691
1692 for(data = actives; data != NULL; data = data->next)
1693 {
1694 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
1695 newnotif(data, 620, NOTIF_ID, srch->id, NOTIF_INT, srch->eta - time(NULL), NOTIF_END);
1696 }
1697 return(0);
1698}
1699
1700static int srchcommit(struct search *srch, void *uudata)
1701{
1702 struct uidata *data;
1703
1704 for(data = actives; data != NULL; data = data->next)
1705 {
1706 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
1707 newnotif(data, 621, NOTIF_ID, srch->id, NOTIF_END);
1708 }
1709 return(0);
1710}
1711
1712static int srchres(struct search *srch, struct srchres *sr, void *uudata)
1713{
1714 struct uidata *data;
1715
1716 for(data = actives; data != NULL; data = data->next)
1717 {
1718 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
ebbc13f3 1719 {
ebbc13f3 1720 newnotif(data, 622, NOTIF_ID, srch->id, NOTIF_STR, sr->filename, NOTIF_STR, sr->fnet->name, NOTIF_STR, sr->peerid, NOTIF_INT, sr->size,
5123bec0 1721 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 1722 }
d3372da9 1723 }
1724 return(0);
1725}
1726
1727static int recvchat(struct fnetnode *fn, int public, wchar_t *name, wchar_t *peer, wchar_t *string, void *uudata)
1728{
1729 struct uidata *data;
1730
1731 for(data = actives; data != NULL; data = data->next)
1732 {
1733 if(haspriv(data, PERM_CHAT) && data->notify.b.fnchat)
1734 newnotif(data, 600, NOTIF_ID, fn->id, NOTIF_INT, public, NOTIF_STR, name, NOTIF_STR, peer, NOTIF_STR, string, NOTIF_END);
1735 }
1736 return(0);
1737}
1738
1739static int fnactive(struct fnetnode *fn, wchar_t *attrib, void *uudata)
1740{
1741 struct uidata *data;
1742 struct notif *notif;
1743
1744 if(!wcscmp(attrib, L"state"))
1745 {
1746 for(data = actives; data != NULL; data = data->next)
1747 {
1748 if(data->notify.b.fnact)
1749 newnotif(data, 601, NOTIF_ID, fn->id, NOTIF_INT, fn->state, NOTIF_END);
1750 }
1751 } else if(!wcscmp(attrib, L"name")) {
1752 for(data = actives; data != NULL; data = data->next)
1753 {
1754 if(data->notify.b.fnact)
1755 newnotif(data, 602, NOTIF_ID, fn->id, NOTIF_STR, fn->name, NOTIF_END);
1756 }
1757 } else if(!wcscmp(attrib, L"numpeers")) {
1758 for(data = actives; data != NULL; data = data->next)
1759 {
1760 if(data->notify.b.fnact)
1761 {
1762 if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 605, fn->id)) != NULL)
1763 notif->argv[1].d.n = fn->numpeers;
1764 else
ba86d49a 1765 newnotif(data, 605, NOTIF_ID, fn->id, NOTIF_INT, fn->numpeers, NOTIF_END)->rlimit = 0.5;
d3372da9 1766 }
1767 }
1768 }
1769 return(0);
1770}
1771
1772static int fnunlink(struct fnetnode *fn, void *uudata)
1773{
1774 struct uidata *data;
1775
1776 for(data = actives; data != NULL; data = data->next)
1777 {
1778 if(data->notify.b.fnact)
1779 newnotif(data, 603, NOTIF_ID, fn->id, NOTIF_END);
1780 }
1781 return(0);
1782}
1783
ba86d49a 1784static int peernew(struct fnetnode *fn, struct fnetpeer *peer, void *uudata)
1785{
1786 struct uidata *data;
1787
1788 for(data = actives; data != NULL; data = data->next)
1789 {
1790 if(data->notify.b.fnpeer)
1791 newnotif(data, 630, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_STR, peer->nick, NOTIF_END);
1792 }
1793 return(0);
1794}
1795
1796static int peerdel(struct fnetnode *fn, struct fnetpeer *peer, void *uudata)
1797{
1798 struct uidata *data;
1799
1800 for(data = actives; data != NULL; data = data->next)
1801 {
1802 if(data->notify.b.fnpeer)
1803 newnotif(data, 631, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_END);
1804 }
1805 return(0);
1806}
1807
1808static int peerchange(struct fnetnode *fn, struct fnetpeer *peer, struct fnetpeerdi *di, void *uudata)
1809{
1810 struct uidata *data;
1811 struct notif *notif;
1812 wchar_t buf[32];
1813
1814 for(data = actives; data != NULL; data = data->next)
1815 {
1816 if(data->notify.b.fnpeer)
1817 {
1818 for(notif = data->fnotif; notif != NULL; notif = notif->next)
1819 {
1820 if((notif->code == 632) && (notif->state == NOTIF_PEND) && (notif->argv[0].d.n == fn->id) && !wcscmp(notif->argv[1].d.s, peer->id))
1821 break;
1822 }
1823 if(notif == NULL)
1824 notif = newnotif(data, 632, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_STR, peer->nick, NOTIF_END);
1825 notifappend(notif, NOTIF_STR, di->datum->id, NOTIF_INT, di->datum->datatype, NOTIF_END);
1826 switch(di->datum->datatype)
1827 {
1828 case FNPD_INT:
1829 notifappend(notif, NOTIF_INT, di->data.num, NOTIF_END);
1830 break;
1831 case FNPD_STR:
1832 notifappend(notif, NOTIF_STR, di->data.str, NOTIF_END);
1833 break;
1834 case FNPD_LL:
1835 swprintf(buf, sizeof(buf) / sizeof(*buf), L"%lli", di->data.lnum);
1836 notifappend(notif, NOTIF_STR, buf, NOTIF_END);
1837 break;
1838 }
1839 }
1840 }
1841 return(0);
1842}
1843
d3372da9 1844static int newfnetnode(struct fnetnode *fn, void *uudata)
1845{
1846 struct uidata *data;
1847
1848 for(data = actives; data != NULL; data = data->next)
1849 {
1850 if(data->notify.b.fnact)
1851 newnotif(data, 604, NOTIF_ID, fn->id, NOTIF_STR, fn->fnet->name, NOTIF_END);
1852 }
1853 CBREG(fn, fnetnode_ac, fnactive, NULL, NULL);
1854 CBREG(fn, fnetnode_chat, recvchat, NULL, NULL);
1855 CBREG(fn, fnetnode_unlink, fnunlink, NULL, NULL);
ba86d49a 1856 CBREG(fn, fnetpeer_new, peernew, NULL, NULL);
1857 CBREG(fn, fnetpeer_del, peerdel, NULL, NULL);
1858 CBREG(fn, fnetpeer_chdi, peerchange, NULL, NULL);
d3372da9 1859 return(0);
1860}
1861
1862static int transferchattr(struct transfer *transfer, wchar_t *attrib, void *uudata)
1863{
1864 struct uidata *data;
1865
1866 if(!wcscmp(attrib, L"state"))
1867 {
1868 for(data = actives; data != NULL; data = data->next)
1869 {
1870 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1871 newnotif(data, 611, NOTIF_ID, transfer->id, NOTIF_INT, transfer->state, NOTIF_END);
1872 }
1873 } else if(!wcscmp(attrib, L"nick")) {
1874 for(data = actives; data != NULL; data = data->next)
1875 {
1876 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1877 newnotif(data, 612, NOTIF_ID, transfer->id, NOTIF_STR, transfer->peernick, NOTIF_END);
1878 }
1879 } else if(!wcscmp(attrib, L"size")) {
1880 for(data = actives; data != NULL; data = data->next)
1881 {
1882 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1883 newnotif(data, 613, NOTIF_ID, transfer->id, NOTIF_INT, transfer->size, NOTIF_END);
1884 }
1885 } else if(!wcscmp(attrib, L"error")) {
1886 for(data = actives; data != NULL; data = data->next)
1887 {
1888 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1889 newnotif(data, 614, NOTIF_ID, transfer->id, NOTIF_INT, transfer->error, NOTIF_END);
1890 }
1891 } else if(!wcscmp(attrib, L"path")) {
1892 for(data = actives; data != NULL; data = data->next)
1893 {
1894 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1895 newnotif(data, 616, NOTIF_ID, transfer->id, NOTIF_STR, transfer->path, NOTIF_END);
1896 }
a04fc9ff 1897 } else if(!wcscmp(attrib, L"hash")) {
1898 for(data = actives; data != NULL; data = data->next)
1899 {
1900 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
5e13cdca 1901 newnotif(data, 618, NOTIF_ID, transfer->id, NOTIF_STR, (transfer->hash == NULL)?L"":unparsehash(transfer->hash), NOTIF_END);
a04fc9ff 1902 }
d3372da9 1903 }
1904 return(0);
1905}
1906
1907static int transferprog(struct transfer *transfer, void *uudata)
1908{
1909 struct uidata *data;
1910 struct notif *notif;
1911
1912 for(data = actives; data != NULL; data = data->next)
1913 {
1914 if(haspriv(data, PERM_TRANS) && data->notify.b.trprog && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1915 {
1916 if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 615, transfer->id)) != NULL)
1917 notif->argv[1].d.n = transfer->curpos;
1918 else
1919 newnotif(data, 615, NOTIF_ID, transfer->id, NOTIF_INT, transfer->curpos, NOTIF_END)->rlimit = 0.5;
1920 }
1921 }
1922 return(0);
1923}
1924
1925static int transferdestroyed(struct transfer *transfer, void *uudata)
1926{
1927 struct uidata *data;
1928
1929 for(data = actives; data != NULL; data = data->next)
1930 {
1931 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
3d204c2d 1932 newnotif(data, 617, NOTIF_ID, transfer->id, NOTIF_STR, (transfer->exitstatus == NULL)?L"":(transfer->exitstatus), NOTIF_END);
d3372da9 1933 }
1934 return(0);
1935}
1936
1937static int newtransfernotify(struct transfer *transfer, void *uudata)
1938{
1939 struct uidata *data;
1940
1941 for(data = actives; data != NULL; data = data->next)
1942 {
1943 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1944 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);
1945 }
1946 CBREG(transfer, trans_ac, transferchattr, NULL, NULL);
1947 CBREG(transfer, trans_p, transferprog, NULL, NULL);
1948 CBREG(transfer, trans_destroy, transferdestroyed, NULL, NULL);
1949 return(0);
1950}
1951
1952static struct uiuser *newuser(wchar_t *name, unsigned long perms)
1953{
1954 struct uiuser *new;
1955
1956 new = smalloc(sizeof(*new));
1957 new->used = 0;
1958 new->name = swcsdup(name);
1959 new->perms = perms;
1960 new->delete = 0;
1961 new->next = users;
1962 new->prev = NULL;
1963 if(users != NULL)
1964 users->prev = new;
1965 users = new;
1966 return(new);
1967}
1968
1969static void freeuser(struct uiuser *user)
1970{
1971 if(user->next != NULL)
1972 user->next->prev = user->prev;
1973 if(user->prev != NULL)
1974 user->prev->next = user->next;
1975 if(user == users)
1976 users = user->next;
1977 free(user->name);
1978 free(user);
1979}
1980
1981static int conf_user(int argc, wchar_t **argv)
1982{
1983 int i, perms, permmod;
1984 struct uiuser *user;
1985 wchar_t *p;
1986
1987 if(argc < 3)
1988 {
1989 flog(LOG_WARNING, "not enough arguments given for user command");
1990 return(1);
1991 }
1992 perms = 0;
1993 for(i = 2; i < argc; i++)
1994 {
1995 if(!iswalpha(argv[i][0]))
1996 p = argv[i] + 1;
1997 else
1998 p = argv[i];
1999 if(!wcscmp(p, L"disallow"))
2000 permmod = PERM_DISALLOW;
2001 if(!wcscmp(p, L"admin"))
2002 permmod = PERM_ADMIN;
2003 if(!wcscmp(p, L"fnetctl"))
2004 permmod = PERM_FNETCTL;
2005 if(!wcscmp(p, L"trans"))
2006 permmod = PERM_TRANS;
2007 if(!wcscmp(p, L"transcu"))
2008 permmod = PERM_TRANSCU;
2009 if(!wcscmp(p, L"chat"))
2010 permmod = PERM_CHAT;
2011 if(!wcscmp(p, L"srch"))
2012 permmod = PERM_SRCH;
2013 if(!wcscmp(p, L"all"))
2014 permmod = ~0;
2015 if(argv[i][0] == L'-')
2016 perms &= ~permmod;
2017 else
2018 perms |= permmod;
2019 }
2020 if((user = finduser(argv[1])) == NULL)
2021 {
2022 newuser(argv[1], perms);
2023 } else {
2024 user->delete = 0;
2025 user->perms = perms;
2026 }
2027 return(0);
2028}
2029
2030static void preinit(int hup)
2031{
2032 struct uiuser *user;
2033
2034 if(!hup)
2035 {
2036 newuser(L"default", 0);
2037 } else {
2038 for(user = users; user != NULL; user = user->next)
2039 {
2040 if(!wcscmp(user->name, L"default"))
2041 user->delete = 1;
2042 }
2043 }
2044}
2045
d3372da9 2046static int portupdate(struct configvar *var, void *uudata)
2047{
d3372da9 2048 struct socket *newsock;
2049
0a1bc5b1 2050 if((uisocket = netcstcplisten(var->val.num, 1, uiaccept, NULL)) == NULL)
d3372da9 2051 {
2052 flog(LOG_WARNING, "could not create new UI socket, reverting to old: %s", strerror(errno));
2053 return(0);
2054 }
2055 if(uisocket != NULL)
2056 putsock(uisocket);
2057 uisocket = newsock;
2058 return(0);
2059}
2060
2061static int init(int hup)
2062{
d3372da9 2063 struct uiuser *user, *next;
2064
2065 if(hup)
2066 {
2067 for(user = users; user != NULL; user = next)
2068 {
2069 next = user->next;
2070 if(user->delete)
2071 freeuser(user);
2072 }
2073 }
2074 if(!hup)
2075 {
2076 if(uisocket != NULL)
2077 putsock(uisocket);
0a1bc5b1 2078 if((uisocket = netcstcplisten(confgetint("ui", "port"), 1, uiaccept, NULL)) == NULL)
d3372da9 2079 {
2080 flog(LOG_CRIT, "could not create UI socket: %s", strerror(errno));
2081 return(1);
2082 }
2083 CBREG(confgetvar("ui", "port"), conf_update, portupdate, NULL, NULL);
2084 GCBREG(newfncb, newfnetnode, NULL);
2085 GCBREG(newtransfercb, newtransfernotify, NULL);
2086 }
2087 return(0);
2088}
2089
2090static int run(void)
2091{
2092 int i, id;
2093 struct uidata *data, *next;
2094 struct qcommand *qcmd;
2095 struct notif *notif, *nnotif;
2096 wchar_t buf[64];
2097
2098 for(data = actives; data != NULL; data = next)
2099 {
2100 next = data->next;
2101 if(data->close)
2102 freeuidata(data);
2103 }
2104 for(data = actives; data != NULL; data = data->next)
2105 {
2106 for(notif = data->fnotif; notif != NULL; notif = nnotif)
2107 {
2108 nnotif = notif->next;
2109 if(notif->state == NOTIF_WAIT)
2110 continue;
2111 id = -1;
2112 for(i = 0; i < notif->argc; i++)
2113 {
2114 if(notif->argv[i].dt == NOTIF_ID)
2115 {
2116 id = notif->argv[i].d.n;
2117 break;
2118 }
2119 }
2120 if(findnotif(notif->prev, 0, -1, notif->code, id) != NULL)
2121 continue;
2122 sq(data->sk, 2, L"%%i", notif->code, NULL);
2123 for(i = 0; i < notif->argc; i++)
2124 {
2125 switch(notif->argv[i].dt)
2126 {
2127 case NOTIF_INT:
2128 case NOTIF_ID:
2129 sq(data->sk, 2, L"%%i", notif->argv[i].d.n, NULL);
2130 break;
2131 case NOTIF_STR:
2132 if(notif->argv[i].d.s[0] == L'%')
2133 sq(data->sk, 2, L"%%s", notif->argv[i].d.s, NULL);
2134 else
2135 sq(data->sk, 2, notif->argv[i].d.s, NULL);
2136 break;
2137 case NOTIF_FLOAT:
2138 swprintf(buf, 64, L"%f", notif->argv[i].d.d);
2139 sq(data->sk, 2, buf, NULL);
2140 break;
2141 }
2142 }
2143 sq(data->sk, 0, NULL);
2144 if(notif->rlimit != 0)
2145 {
2146 notif->state = NOTIF_WAIT;
2147 notif->exptimer = timercallback(ntime() + notif->rlimit, (void (*)(int, void *))notifexpire, notif);
2148 } else {
2149 freenotif(notif);
2150 }
2151 }
2152 if((qcmd = unlinkqcmd(data)) != NULL)
2153 {
2154 qcmd->cmd->handler(data->sk, data, qcmd->argc, qcmd->argv);
2155 freequeuecmd(qcmd);
2156 return(1);
2157 }
2158 }
2159 return(0);
2160}
2161
2162static void terminate(void)
2163{
2164 while(users != NULL)
2165 freeuser(users);
2166}
2167
2168static struct configvar myvars[] =
2169{
2170 {CONF_VAR_BOOL, "onlylocal", {.num = 1}},
2171 {CONF_VAR_INT, "port", {.num = 1500}},
2172 {CONF_VAR_INT, "uitos", {.num = SOCK_TOS_MINDELAY}},
2173 {CONF_VAR_STRING, "filtercmd", {.str = L"dc-filtercmd"}},
2174 {CONF_VAR_END}
2175};
2176
2177static struct configcmd mycmds[] =
2178{
2179 {"user", conf_user},
2180 {NULL}
2181};
2182
2183static struct module me =
2184{
2185 .name = "ui",
2186 .conf =
2187 {
2188 .vars = myvars,
2189 .cmds = mycmds
2190 },
2191 .preinit = preinit,
2192 .init = init,
2193 .run = run,
2194 .terminate = terminate
2195};
2196
2197MODULE(me)