Fix message quoting.
[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;
5f151349 131 int msg:1;
d3372da9 132 } b;
133 int w;
134 } notify;
135 wchar_t *username;
136 struct uiuser *userinfo;
5f151349 137 int id;
138 wchar_t *regname;
d3372da9 139 uid_t uid;
140 struct notif *fnotif, *lnotif;
141 char *fcmdbuf;
142 size_t fcmdbufdata, fcmdbufsize;
143 pid_t fcmdpid;
144 struct socket *fcmdsk;
145 /* Read buffer */
146 char *inbuf;
147 size_t inbufsize, indata;
148 /* Wordset storage */
149 wchar_t **argv;
76236762 150 size_t argc, args;
d3372da9 151 /* WCS conversation stuff */
152 wchar_t *cb; /* Conversation buffer */
153 size_t cbsize, cbdata;
154 iconv_t ichandle;
155 /* Parser data */
156 int ps; /* Parser state */
157 wchar_t *pp; /* Current parse pointer */
158 wchar_t *cw; /* Current word (building storage) */
159 size_t cwsize, cwdata;
160};
161
162static int srcheta(struct search *srch, void *uudata);
163static int srchcommit(struct search *srch, void *uudata);
164static int srchres(struct search *srch, struct srchres *sr, void *uudata);
5f151349 165static struct notif *newnotif(struct uidata *data, int code, ...);
166static void notifappend(struct notif *notif, ...);
d3372da9 167
168struct uiuser *users = NULL;
169struct uidata *actives = NULL;
170struct socket *uisocket = NULL;
9a64a4f7 171static time_t starttime;
d3372da9 172
173static wchar_t *quoteword(wchar_t *word)
174{
175 wchar_t *wp, *buf, *bp;
176 int dq, numbs, numc;
177
178 dq = 0;
179 numbs = 0;
180 numc = 0;
181 if(*word == L'\0')
182 {
183 dq = 1;
184 } else {
185 for(wp = word; *wp != L'\0'; wp++)
186 {
187 if(!dq && iswspace(*wp))
188 dq = 1;
189 if((*wp == L'\\') || (*wp == L'\"'))
190 numbs++;
191 numc++;
192 }
193 }
194 if(!dq && !numbs)
195 return(NULL);
196 bp = buf = smalloc(sizeof(wchar_t) * (numc + numbs + (dq?2:0) + 1));
197 if(dq)
198 *(bp++) = L'\"';
199 for(wp = word; *wp != L'\0'; wp++)
200 {
201 if((*wp == L'\\') || (*wp == L'\"'))
202 *(bp++) = L'\\';
203 *(bp++) = *wp;
204 }
205 if(dq)
206 *(bp++) = L'\"';
207 *(bp++) = L'\0';
208 return(buf);
209}
210
211static void sq(struct socket *sk, int cont, ...)
212{
213 int num, freepart;
214 va_list al;
215 char *final;
216 wchar_t *buf;
217 wchar_t *part, *tpart;
218 size_t bufsize, bufdata;
219
220 buf = NULL;
221 bufsize = bufdata = 0;
222 num = 0;
223 va_start(al, cont);
224 while((part = va_arg(al, wchar_t *)) != NULL)
225 {
226 if(*part == L'%')
227 {
228 /*
229 * This kludge demands that all arguments that you call it
230 * with are the size of an int. That happens to be the
231 * case for most datatypes on most platforms and
232 * compilers, but I don't know exactly which ones, and
233 * also a long long is a notable candidate of an arg that
234 * is not the size of an int on 32-bit archs. If it breaks
235 * some existing call on your architecture, please tell
236 * me.
237 */
238 part = vswprintf2(tpart = (part + 1), al);
239 for(; *tpart != L'\0'; tpart++)
240 {
241 if(*tpart == L'%')
242 {
243 if(tpart[1] == L'%')
244 tpart++;
245 else
246 va_arg(al, int);
247 }
248 }
249 freepart = 1;
250 } else {
251 freepart = 0;
252 }
253 if((tpart = quoteword(part)) != NULL)
254 {
255 if(freepart)
256 free(part);
257 part = tpart;
258 freepart = 1;
259 }
260 if((num > 1) || ((num == 1) && !(cont & 1)))
261 addtobuf(buf, L' ');
262 bufcat(buf, part, wcslen(part));
263 if((num == 0) && (cont & 1))
264 addtobuf(buf, L'-');
265 num++;
266 if(freepart)
267 free(part);
268 }
269 if(cont & 2)
270 bufcat(buf, L" \0", 2);
271 else
272 bufcat(buf, L"\r\n\0", 3);
273 if((final = icwcstombs(buf, "utf-8")) == NULL)
274 {
275 flog(LOG_CRIT, "could not convert \"%ls\" into utf-8: %s", buf, strerror(errno));
276 free(buf);
277 return;
278 }
279 va_end(al);
280 free(buf);
281 sockqueue(sk, final, strlen(final));
282 free(final);
283}
284
285struct uiuser *finduser(wchar_t *name)
286{
287 struct uiuser *user;
288
289 for(user = users; user != NULL; user = user->next)
290 {
291 if(!wcscmp(user->name, name))
292 break;
293 }
294 return(user);
295}
296
297static void logout(struct uidata *data)
298{
299 data->userinfo = NULL;
300 if(data->username != NULL)
301 free(data->username);
302 data->username = NULL;
303 if(data->auth != NULL)
304 authputhandle(data->auth);
305 data->auth = NULL;
306}
307
308static int haspriv(struct uidata *data, int perm)
309{
310 if(data->userinfo == NULL)
311 return(0);
312 if(data->userinfo->perms & perm)
313 return(1);
314 else
315 return(0);
316}
317
318/* Useful macros for the command functions: */
319#define haveargs(n) do { if(argc < n) { sq(sk, 0, L"501", L"Wrong number of arguments", NULL); return; } } while(0)
320#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)
321
322static void cmd_connect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
323{
324 int valid;
504ba854 325 struct in6_addr mv4lo;
d3372da9 326
327 if(confgetint("ui", "onlylocal"))
328 {
329 switch(sk->remote->sa_family)
330 {
331 case AF_INET:
332 valid = ((struct sockaddr_in *)sk->remote)->sin_addr.s_addr == INADDR_LOOPBACK;
333 break;
334 case AF_INET6:
504ba854 335 inet_pton(AF_INET6, "::ffff:127.0.0.1", &mv4lo);
336 valid = 0;
337 if(!memcmp(&((struct sockaddr_in6 *)sk->remote)->sin6_addr, &in6addr_loopback, sizeof(in6addr_loopback)))
338 valid = 1;
339 if(!memcmp(&((struct sockaddr_in6 *)sk->remote)->sin6_addr, &mv4lo, sizeof(in6addr_loopback)))
340 valid = 1;
d3372da9 341 break;
342 default:
343 valid = 0;
344 break;
345 }
346 if(!valid)
347 {
348 sq(sk, 0, L"502", L"Only localhost connections allowed to this host", NULL);
349 sk->close = 1;
350 data->close = 1;
351 return;
352 }
353 }
354 sq(sk, 0, L"200", L"%Dolda Connect daemon v%s", VERSION, NULL);
355}
356
357static void cmd_notfound(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
358{
359 if((argv != NULL) && (argv[0] != NULL))
360 sq(sk, 0, L"500", L"%Command not found: %ls", argv[0], NULL);
361 else
362 sq(sk, 0, L"500", L"No command", NULL);
363}
364
365static void cmd_shutdown(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
366{
367 extern volatile int running;
368
369 havepriv(PERM_ADMIN);
370 flog(LOG_NOTICE, "UI shutdown request from %ls, shutting down", data->username);
371 running = 0;
372 sq(sk, 0, L"200", L"Daemon shutting down", NULL);
373}
374
375static void cmd_quit(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
376{
377 sq(sk, 0, L"200", L"Closing connection", NULL);
378 data->close = 1;
379}
380
381static void cmd_lsauth(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
382{
383 struct authmech *mech, *prev;
384
385 prev = NULL;
386 for(mech = mechs; mech != NULL; mech = mech->next)
387 {
388 if(mech->enabled)
389 {
390 if(prev != NULL)
391 sq(sk, 1, L"200", prev->name, NULL);
392 prev = mech;
393 }
394 }
395 if(prev == NULL)
396 sq(sk, 0, L"201", L"No authentication methods supported", NULL);
397 else
398 sq(sk, 0, L"200", prev->name, NULL);
399}
400
401static void cmd_login(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
402{
403 char *buf;
404 int code;
405 struct passwd *pwd;
406
407 haveargs(3);
408 if(data->username != NULL)
409 {
410 if(data->userinfo != NULL)
411 sq(sk, 0, L"503", L"Already logged in", NULL);
412 else
413 sq(sk, 0, L"503", L"Already logging in", NULL);
414 return;
415 }
416 if((buf = icwcstombs(argv[2], NULL)) == NULL)
417 {
418 sq(sk, 0, L"504", L"Could not convert username to locale charset", NULL);
419 return;
420 }
421 data->username = swcsdup(argv[2]);
422 if((pwd = getpwnam(buf)) == NULL)
423 data->uid = -1;
424 else
425 data->uid = pwd->pw_uid;
426 if((data->auth = initauth(argv[1], buf)) == NULL)
427 {
428 if(errno == ENOENT)
429 sq(sk, 0, L"508", L"No such authentication mechanism", NULL);
430 else
431 sq(sk, 0, L"505", L"Could not initialize authentication system", L"%%s", strerror(errno), NULL);
432 free(buf);
433 logout(data);
434 return;
435 }
436 free(buf);
437 switch(authenticate(data->auth, NULL))
438 {
439 case AUTH_SUCCESS:
440 data->userinfo = finduser(data->username);
441 if(data->userinfo == NULL)
442 data->userinfo = finduser(L"default");
443 if(data->uid == -1)
444 {
445 sq(sk, 0, L"506", L"Authentication error", NULL);
6c9eee05 446 flog(LOG_INFO, "user %ls authenticated successfully from %s, but no account existed", data->username, formataddress(sk->remote, sk->remotelen));
d3372da9 447 logout(data);
448 } else if((data->userinfo == NULL) || (data->userinfo->perms & PERM_DISALLOW)) {
449 sq(sk, 0, L"506", L"Authentication error", NULL);
6c9eee05 450 flog(LOG_INFO, "user %ls authenticated successfully from %s, but was not authorized", data->username, formataddress(sk->remote, sk->remotelen));
d3372da9 451 logout(data);
452 } else {
453 sq(sk, 0, L"200", L"Welcome", NULL);
6c9eee05 454 flog(LOG_INFO, "%ls (UID %i) logged in from %s", data->username, data->uid, formataddress(sk->remote, sk->remotelen));
d3372da9 455 }
456 break;
457 case AUTH_DENIED:
458 sq(sk, 0, L"506", L"Authentication error", L"%%ls", (data->auth->text == NULL)?L"":(data->auth->text), NULL);
6c9eee05 459 flog(LOG_INFO, "authentication failed for %ls from %s", data->username, formataddress(sk->remote, sk->remotelen));
d3372da9 460 logout(data);
461 break;
462 case AUTH_PASS:
463 switch(data->auth->prompt)
464 {
465 case AUTH_PR_AUTO:
466 code = 300;
467 break;
468 case AUTH_PR_NOECHO:
469 code = 301;
470 break;
471 case AUTH_PR_ECHO:
472 code = 302;
473 break;
474 case AUTH_PR_INFO:
475 code = 303;
476 break;
477 case AUTH_PR_ERROR:
478 code = 304;
479 break;
480 }
481 sq(sk, 0, L"%%i", code, data->auth->text, NULL);
482 break;
483 case AUTH_ERR:
484 sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL);
485 logout(data);
486 break;
487 default:
488 flog(LOG_WARNING, "BUG? Non-caught return from authenticate in cmd_login");
489 sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL);
490 logout(data);
491 break;
492 }
493}
494
495static void cmd_pass(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
496{
497 char *buf;
498 int code;
499
500 haveargs(2);
501 if((buf = icwcstombs(argv[1], NULL)) == NULL)
502 {
503 sq(sk, 0, L"504", L"Could not convert data to locale charset", NULL);
504 return;
505 }
506 if((data->auth == NULL) || (data->userinfo != NULL))
507 {
508 sq(sk, 0, L"507", L"Data not expected", NULL);
509 return;
510 }
511 switch(authenticate(data->auth, buf))
512 {
513 case AUTH_SUCCESS:
514 data->userinfo = finduser(data->username);
515 if(data->userinfo == NULL)
516 data->userinfo = finduser(L"default");
517 if(data->uid == -1)
518 {
519 sq(sk, 0, L"506", L"Authentication error", NULL);
6c9eee05 520 flog(LOG_INFO, "user %ls authenticated successfully from %s, but no account existed", data->username, formataddress(sk->remote, sk->remotelen));
d3372da9 521 logout(data);
522 } else if((data->userinfo == NULL) || (data->userinfo->perms & PERM_DISALLOW)) {
523 sq(sk, 0, L"506", L"Authentication error", NULL);
6c9eee05 524 flog(LOG_INFO, "user %ls authenticated successfully from %s, but was not authorized", data->username, formataddress(sk->remote, sk->remotelen));
d3372da9 525 logout(data);
526 } else {
527 sq(sk, 0, L"200", L"Welcome", NULL);
6c9eee05 528 flog(LOG_INFO, "%ls (UID %i) logged in from %s", data->username, data->uid, formataddress(sk->remote, sk->remotelen));
d3372da9 529 }
530 break;
531 case AUTH_DENIED:
532 sq(sk, 0, L"506", L"Authentication error", L"%%ls", (data->auth->text == NULL)?L"":(data->auth->text), NULL);
6c9eee05 533 flog(LOG_INFO, "authentication failed for %ls from %s", data->username, formataddress(sk->remote, sk->remotelen));
d3372da9 534 logout(data);
535 break;
536 case AUTH_PASS:
537 switch(data->auth->prompt)
538 {
539 case AUTH_PR_AUTO:
540 code = 300;
541 break;
542 case AUTH_PR_NOECHO:
543 code = 301;
544 break;
545 case AUTH_PR_ECHO:
546 code = 302;
547 break;
548 case AUTH_PR_INFO:
549 code = 303;
550 break;
551 case AUTH_PR_ERROR:
552 code = 304;
553 break;
554 }
555 sq(sk, 0, L"%%i", code, data->auth->text, NULL);
556 break;
557 case AUTH_ERR:
558 sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL);
559 logout(data);
560 break;
561 default:
562 flog(LOG_WARNING, "BUG? Non-caught return from authenticate in cmd_pass");
563 sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL);
564 logout(data);
565 break;
566 }
567 free(buf);
568}
569
570static void cmd_fnetconnect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
571{
572 int i;
573 char *buf;
574 int err;
575 struct fnetnode *fn;
efc05613 576 struct wcspair *args;
d3372da9 577
578 haveargs(3);
579 havepriv(PERM_FNETCTL);
dd31fcfa 580 for(i = 0, fn = fnetnodes; fn != NULL; i++, fn = fn->next);
581 if((confgetint("fnet", "maxnodes") > 0) && (i >= confgetint("fnet", "maxnodes"))) {
582 sq(sk, 0, L"515", L"Too many fnetnodes connected already", NULL);
583 return;
584 }
d3372da9 585 if((buf = icwcstombs(argv[2], NULL)) == NULL)
586 {
587 sq(sk, 0, L"504", L"Could not convert data to locale charset", NULL);
588 return;
589 }
efc05613 590 args = NULL;
591 for(i = 3; i < argc - 1; i += 2)
592 newwcspair(argv[i], argv[i + 1], &args);
a3a4a3a7 593 fn = fnetinitconnect(argv[1], data->userinfo->name, buf, args);
d3372da9 594 err = errno;
595 free(buf);
596 if(fn == NULL)
597 {
598 if(errno == EPROTONOSUPPORT)
599 sq(sk, 0, L"511", L"No such network name", NULL);
600 else
601 sq(sk, 0, L"509", L"Could not parse the address", L"%%s", strerror(err), NULL);
602 return;
603 }
d3372da9 604 linkfnetnode(fn);
605 fnetsetname(fn, argv[2]);
edda83f2 606 sq(sk, 0, L"200", L"%%i", fn->id, L"Connection under way", NULL);
d3372da9 607 putfnetnode(fn);
d3372da9 608}
609
610static void cmd_lsnodes(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
611{
612 struct fnetnode *fn;
613
614 if(fnetnodes == NULL)
615 {
616 sq(sk, 0, L"201", L"No connected nodes", NULL);
617 return;
618 }
619 for(fn = fnetnodes; fn != NULL; fn = fn->next)
620 {
d1e8b9fd 621 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 622 }
623}
624
625static void cmd_disconnect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
626{
627 struct fnetnode *fn;
628 int i;
629
630 haveargs(2);
631 havepriv(PERM_FNETCTL);
632 /* Note - Programmatical user interfaces must only give one
633 * argument per command, the multiple argument form is only for
634 * convenience when manually controlling the daemon via
635 * eg. telnet. The reason is that the return codes aren't clear
636 * enough for the multiple argument form. */
637 for(i = 1; i < argc; i++)
638 {
639 if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL)
640 {
641 sq(sk, 0, L"510", L"No such node", NULL);
642 return;
643 }
644 killfnetnode(fn);
645 unlinkfnetnode(fn);
646 }
647 sq(sk, 0, L"200", L"Node flagged for disconnection", NULL);
648}
649
650static void cmd_lspa(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
651{
652 struct fnetnode *fn;
653 struct fnetpeerdatum *datum;
654
655 haveargs(2);
656 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
657 {
658 sq(sk, 0, L"510", L"No such node", NULL);
659 return;
660 }
661 if(fn->peerdata == NULL)
662 {
663 sq(sk, 0, L"201", L"No data available", NULL);
664 } else {
665 for(datum = fn->peerdata; datum != NULL; datum = datum->next)
666 sq(sk, (datum->next != NULL)?1:0, L"200", datum->id, L"%%i", datum->datatype, NULL);
667 }
668}
669
670static void cmd_lspeers(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
671{
672 int i;
673 struct fnetnode *fn;
674 struct fnetpeer *peer;
675 wchar_t buf[40];
676
677 haveargs(2);
678 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
679 {
680 sq(sk, 0, L"510", L"No such node", NULL);
681 return;
682 }
683 if(fn->peers == NULL)
684 {
685 sq(sk, 0, L"201", L"No peers avaiable", NULL);
686 } else {
687 for(peer = fn->peers; peer != NULL; peer = peer->next)
688 {
689 sq(sk, 2 | ((peer->next != NULL)?1:0), L"200", peer->id, peer->nick, NULL);
690 for(i = 0; i < peer->dinum; i++)
691 {
692 if(peer->peerdi[i].datum->datatype == FNPD_INT)
693 sq(sk, 2, peer->peerdi[i].datum->id, L"%%i", peer->peerdi[i].data.num, NULL);
694 /* Note: A long long is not the size of an int, so
695 * sq() can't handle the conversion itself. */
696 if(peer->peerdi[i].datum->datatype == FNPD_LL)
697 {
698 swprintf(buf, 40, L"%lli", peer->peerdi[i].data.lnum);
699 sq(sk, 2, peer->peerdi[i].datum->id, buf, NULL);
700 }
701 if((peer->peerdi[i].datum->datatype == FNPD_STR) && (peer->peerdi[i].data.str != NULL))
702 sq(sk, 2, peer->peerdi[i].datum->id, peer->peerdi[i].data.str, NULL);
703 }
704 sq(sk, 0, NULL);
705 }
706 }
707}
708
709static void cmd_download(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
710{
711 int i;
712 struct fnet *net;
713 struct fnetnode *fn;
714 struct transfer *transfer;
715 struct fnetpeer *peer;
716
717 haveargs(4);
718 if((argc > 5) && ((argc % 2) == 0))
719 {
720 sq(sk, 0, L"501", L"Must have an even number of arguments", NULL);
721 return;
722 }
723 havepriv(PERM_TRANS);
724 if((*(argv[1]) >= L'0') && (*(argv[1]) <= L'9'))
725 {
726 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
727 {
728 sq(sk, 0, L"510", L"No such node", NULL);
729 return;
730 }
731 net = fn->fnet;
732 } else {
733 fn = NULL;
734 if((net = findfnet(argv[1])) == NULL)
735 {
736 sq(sk, 0, L"511", L"No such network name", NULL);
737 return;
738 }
739 }
740 transfer = newtransfer();
741 authgethandle(transfer->auth = data->auth);
742 transfer->fnet = net;
743 transfer->peerid = swcsdup(argv[2]);
744 transfer->path = swcsdup(argv[3]);
745 transfer->dir = TRNSD_DOWN;
746 transfer->owner = data->uid;
747 if(fn != NULL)
748 {
749 transfer->fn = fn;
750 getfnetnode(fn);
751 linktransfer(transfer);
752 if(((peer = fnetfindpeer(fn, transfer->peerid)) != NULL) && (peer->nick != NULL))
753 transfersetnick(transfer, peer->nick);
754 } else {
755 linktransfer(transfer);
756 }
757 if(argc > 4)
758 transfersetsize(transfer, wcstol(argv[4], NULL, 0));
759 if(argc > 5)
760 {
761 for(i = 5; i < argc; i += 2)
5123bec0 762 {
763 if(!wcscmp(argv[i], L"hash"))
764 {
a04fc9ff 765 transfersethash(transfer, parsehash(argv[i + 1]));
5123bec0 766 } else {
9ec790e8 767 newwcspair(argv[i], argv[i + 1], &transfer->args);
5123bec0 768 }
769 }
d3372da9 770 }
771 sq(sk, 0, L"200", L"%%i", transfer->id, L"Download queued", NULL);
772 transfersetactivity(transfer, L"create");
773}
774
775static void cmd_lstrans(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
776{
777 struct transfer *transfer, *pt;
778
779 havepriv(PERM_TRANS);
780 pt = NULL;
781 for(transfer = transfers; transfer != NULL; transfer = transfer->next)
782 {
783 if((transfer->dir != TRNSD_DOWN) || (transfer->owner == data->uid))
784 {
785 if(pt != NULL)
786 sq(sk, 1, L"200", L"%%i", pt->id, L"%%i", pt->dir,
787 L"%%i", pt->state, pt->peerid,
788 (pt->peernick == NULL)?L"":(pt->peernick),
789 (pt->path == NULL)?L"":(pt->path),
790 L"%%i", pt->size, L"%%i", pt->curpos,
5123bec0 791 (pt->hash == NULL)?L"":unparsehash(pt->hash),
d3372da9 792 NULL);
793 pt = transfer;
794 }
795 }
796 if(pt == NULL)
797 sq(sk, 0, L"201", L"No transfers", NULL);
798 else
799 sq(sk, 0, L"200", L"%%i", pt->id, L"%%i", pt->dir,
800 L"%%i", pt->state, pt->peerid,
801 (pt->peernick == NULL)?L"":(pt->peernick),
802 (pt->path == NULL)?L"":(pt->path),
803 L"%%i", pt->size, L"%%i", pt->curpos,
5123bec0 804 (pt->hash == NULL)?L"":unparsehash(pt->hash),
d3372da9 805 NULL);
806}
807
808static void cmd_cancel(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
809{
810 struct transfer *transfer;
811
812 haveargs(2);
813 havepriv(PERM_TRANS);
814 if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL)
815 {
816 sq(sk, 0, L"512", L"No such transfer", NULL);
817 return;
818 }
819 if((transfer->dir == TRNSD_UP) && !(data->userinfo->perms & PERM_TRANSCU))
820 {
821 sq(sk, 0, L"502", L"You are not allowed to cancel uploads", NULL);
822 return;
823 }
824 if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid))
825 {
826 sq(sk, 0, L"502", L"You do not own that transfer", NULL);
827 return;
828 }
829 transfer->close = 1;
830 sq(sk, 0, L"200", L"Transfer cancelled", NULL);
831}
832
833static void cmd_notify(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
834{
835 int i, val;
836
837 if((argc % 2) != 1)
838 {
839 sq(sk, 0, L"501", L"Must have an even number of arguments", NULL);
840 return;
841 }
842 for(i = 1; i < argc; i += 2)
843 {
844 if(!wcscasecmp(argv[i + 1], L"on"))
845 val = 1;
846 else
847 val = 0;
848 if(!wcscasecmp(argv[i], L"all"))
849 {
850 if(val)
851 data->notify.w = ~0;
852 else
853 data->notify.w = 0;
854 } else if(!wcscasecmp(argv[i], L"fn:chat")) {
855 data->notify.b.fnchat = val;
856 } else if(!wcscasecmp(argv[i], L"fn:act")) {
857 data->notify.b.fnact = val;
ba86d49a 858 } else if(!wcscasecmp(argv[i], L"fn:peer")) {
859 data->notify.b.fnpeer = val;
d3372da9 860 } else if(!wcscasecmp(argv[i], L"trans:act")) {
861 data->notify.b.tract = val;
862 } else if(!wcscasecmp(argv[i], L"trans:prog")) {
863 data->notify.b.trprog = val;
864 } else if(!wcscasecmp(argv[i], L"srch:act")) {
865 data->notify.b.srch = val;
5f151349 866 } else if(!wcscasecmp(argv[i], L"msg")) {
867 data->notify.b.msg = val;
d3372da9 868 }
869 }
870 sq(sk, 0, L"200", L"Notification alteration succeeded", NULL);
871}
872
873static void cmd_sendchat(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
874{
875 struct fnetnode *fn;
876 int public;
877
878 haveargs(5);
879 havepriv(PERM_CHAT);
880 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
881 {
882 sq(sk, 0, L"510", L"No such node", NULL);
883 return;
884 }
885 public = wcstol(argv[2], NULL, 0);
886 if((public != 0) && (public != 1))
887 {
888 sq(sk, 0, L"509", L"Second argument must be 0 or 1", NULL);
889 return;
890 }
891 if(fn->state != FNN_EST)
892 {
893 sq(sk, 0, L"513", L"Hub is in state FNN_EST", NULL);
894 return;
895 }
896 if(fnetsendchat(fn, public, argv[3], argv[4]))
897 {
898 if(errno == ENOTSUP)
899 sq(sk, 0, L"513", L"This network does not support chatting", NULL);
900 else if(errno == EPERM)
901 sq(sk, 0, L"502", L"This node does not allow you to chat", NULL);
902 else if(errno == EILSEQ)
903 sq(sk, 0, L"504", L"This network could not support all the characters in that message", NULL);
904 else
905 sq(sk, 0, L"505", L"Could not chat", NULL);
906 return;
907 }
908 sq(sk, 0, L"200", L"Chat string sent", NULL);
909}
910
911static void cmd_search(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
912{
913 struct search *srch;
914 struct fnetnode *fn;
915 struct sexpr *sexpr;
916 int i;
917
918 haveargs(3);
919 havepriv(PERM_SRCH);
920 srch = newsearch(data->username, NULL);
921 for(i = 1; i < argc; i++)
922 {
923 if(!wcscmp(argv[i], L"all"))
924 {
925 for(fn = fnetnodes; fn != NULL; fn = fn->next)
926 {
927 if(fn->state == FNN_EST)
928 searchaddfn(srch, fn);
929 }
930 i++;
931 break;
932 } else if(!wcscmp(argv[i], L"prio")) {
933 if(++i == argc)
934 {
935 sq(sk, 0, L"501", L"No argument to prio", NULL);
936 freesearch(srch);
937 return;
938 }
939 srch->prio = wcstol(argv[i], NULL, 0);
940 } else if(iswdigit(*argv[i])) {
941 if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL)
942 {
943 sq(sk, 0, L"510", L"No such node", NULL);
944 freesearch(srch);
945 return;
946 }
947 searchaddfn(srch, fn);
948 } else {
949 break;
950 }
951 }
952 if(srch->fnl == NULL)
953 {
954 sq(sk, 0, L"501", L"No fnetnodes to search found on line", NULL);
955 freesearch(srch);
956 return;
957 }
958 if(i == argc)
959 {
960 sq(sk, 0, L"501", L"No search expression found on line", NULL);
961 freesearch(srch);
962 return;
963 }
964 if((sexpr = parsesexpr(argc - i, argv + i)) == NULL)
965 {
966 sq(sk, 0, L"509", L"Could not parse search expression", NULL);
967 freesearch(srch);
968 return;
969 }
970 optsexpr(sexpr);
971 getsexpr(srch->sexpr = sexpr);
972 queuesearch(srch);
973 CBREG(srch, search_eta, srcheta, NULL, NULL);
974 CBREG(srch, search_commit, srchcommit, NULL, NULL);
975 CBREG(srch, search_result, srchres, NULL, NULL);
976 sq(sk, 0, L"200", L"%%i", srch->id, L"%%i", srch->eta - time(NULL), NULL);
977 putsexpr(sexpr);
978}
979
980static void cmd_lssrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
981{
982 struct search *srch, *pt;
983 time_t now;
984
985 havepriv(PERM_SRCH);
986 pt = NULL;
987 now = time(NULL);
988 for(srch = searches; srch != NULL; srch = srch->next)
989 {
990 if(!wcscmp(srch->owner, data->username))
991 {
992 if(pt != NULL)
993 sq(sk, 1, L"200", L"%%i", pt->id, L"%%i", pt->state, L"%%i", pt->eta - now, L"%%i", pt->numres, NULL);
994 pt = srch;
995 }
996 }
997 if(pt == NULL)
998 sq(sk, 0, L"201", L"No searches", NULL);
999 else
1000 sq(sk, 0, L"200", L"%%i", pt->id, L"%%i", pt->state, L"%%i", pt->eta - now, L"%%i", pt->numres, NULL);
1001}
1002
1003static void cmd_lssr(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1004{
1005 struct search *srch;
1006 struct srchres *sr;
1007 wchar_t buf[64];
1008
1009 haveargs(2);
1010 havepriv(PERM_SRCH);
1011 if((srch = findsearch(wcstol(argv[1], NULL, 0))) == NULL)
1012 {
1013 sq(sk, 0, L"514", L"No such search", NULL);
1014 return;
1015 }
1016 if(srch->results == NULL)
1017 {
1018 sq(sk, 0, L"201", L"No results", NULL);
1019 } else {
1020 for(sr = srch->results; sr != NULL; sr = sr->next)
1021 {
1022 swprintf(buf, 64, L"%f", sr->time);
65643d01 1023 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 1024 }
1025 }
1026}
1027
1028static void cmd_cansrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1029{
1030 struct search *srch;
1031 int i;
1032
1033 haveargs(2);
1034 havepriv(PERM_SRCH);
1035 /* Note - Programmatical user interfaces must only give one
1036 * argument per command, the multiple argument form is only for
1037 * convenience when manually controlling the daemon via
1038 * eg. telnet. The reason is that the return codes aren't clear
1039 * enough for the multiple argument form. */
1040 for(i = 1; i < argc; i++)
1041 {
1042 if((srch = findsearch(wcstol(argv[i], NULL, 0))) == NULL)
1043 {
1044 sq(sk, 0, L"514", L"No such search", NULL);
1045 return;
1046 }
1047 freesearch(srch);
1048 }
1049 sq(sk, 0, L"200", L"Search cancelled", NULL);
1050}
1051
1052static void fcmdread(struct socket *sk, struct uidata *data)
1053{
1054 char *buf;
1055 size_t bufsize;
1056
1057 if((buf = sockgetinbuf(sk, &bufsize)) == NULL)
1058 return;
1059 bufcat(data->fcmdbuf, buf, bufsize);
1060 free(buf);
1061}
1062
1063static void fcmderr(struct socket *sk, int err, struct uidata *data)
1064{
1065 wchar_t *wbuf, *p, *p2;
1066
1067 if(err)
1068 {
1069 flog(LOG_WARNING, "error occurred on filtercmd pipe socket: %s", strerror(err));
1070 kill(-data->fcmdpid, SIGHUP);
1071 putsock(data->fcmdsk);
1072 data->fcmdsk = NULL;
1073 if(data->fcmdbuf != NULL)
1074 {
1075 free(data->fcmdbuf);
1076 data->fcmdbuf = NULL;
1077 }
1078 data->fcmdbufsize = data->fcmdbufdata = 0;
1079 sq(data->sk, 0, L"505", L"An error occurred on the pipe to the filtercmd", L"%%s", strerror(err), NULL);
1080 return;
1081 }
1082 putsock(data->fcmdsk);
1083 data->fcmdsk = NULL;
1084 data->fcmdpid = 0;
1085 if(data->fcmdbuf == NULL)
1086 {
1087 wbuf = swcsdup(L"");
1088 } else {
1089 addtobuf(data->fcmdbuf, 0);
1090 wbuf = icmbstowcs(data->fcmdbuf, NULL);
1091 free(data->fcmdbuf);
1092 }
1093 data->fcmdbuf = NULL;
1094 data->fcmdbufsize = data->fcmdbufdata = 0;
1095 if(wbuf == NULL)
1096 {
1097 sq(data->sk, 0, L"504", L"Filtercmd sent data which could not be converted from the local charset", NULL);
1098 return;
1099 }
1100 p = wbuf;
1101 for(p2 = wcschr(p, L'\n'); p2 != NULL; p2 = wcschr(p, L'\n'))
1102 {
1103 *(p2++) = L'\0';
1104 sq(data->sk, (*p2 == L'\0')?0:1, L"200", L"%%ls", p, NULL);
1105 p = p2;
1106 }
1107 if(*p == L'\0')
1108 {
1109 if(p == wbuf)
1110 sq(data->sk, 0, L"201", L"No data returned", NULL);
1111 } else {
1112 sq(data->sk, 0, L"200", L"%%ls", p, NULL);
1113 }
1114 free(wbuf);
1115}
1116
1117static void cmd_filtercmd(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1118{
1119 int i;
1120 pid_t pid;
1121 int pipe;
1122 char **cargv, **pp;
1123 char *filtercmd, *argbuf;
1124 size_t cargvsize, cargvdata;
1125 struct passwd *pwent;
1126
1127 haveargs(2);
1128 havepriv(PERM_TRANS);
1129 if((pwent = getpwuid(data->uid)) == NULL)
1130 {
1131 flog(LOG_WARNING, "no passwd entry for UI user %i", data->uid);
1132 sq(sk, 0, L"505", L"System error - Could not fork session", "Internal error", NULL);
1133 return;
1134 }
d0a94602 1135 if((filtercmd = findfile(icswcstombs(confgetstr("ui", "filtercmd"), NULL, NULL), "dcdl-filtercmd", pwent->pw_dir, 0)) == NULL)
d3372da9 1136 {
1137 flog(LOG_WARNING, "could not find filtercmd executable for user %s", pwent->pw_name);
1138 sq(sk, 0, L"505", L"System error - Could not fork session", L"Could not find filtercmd executable", NULL);
1139 return;
1140 }
1141 cargv = NULL;
1142 cargvsize = cargvdata = 0;
1143 addtobuf(cargv, filtercmd);
1144 for(i = 1; i < argc; i++)
1145 {
1146 if((argbuf = icwcstombs(argv[i], NULL)) == NULL)
1147 {
1148 for(i = 0; i < cargvdata; i++)
1149 free(cargv[i]);
1150 free(cargv);
1151 sq(sk, 0, L"504", L"%Could not convert argument %i into local character set", i, L"%%s", strerror(errno), NULL);
1152 return;
1153 }
1154 addtobuf(cargv, argbuf);
1155 }
1156 addtobuf(cargv, NULL);
1157 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)
1158 {
1159 flog(LOG_WARNING, "could not fork session in filtercmd: %s", strerror(errno));
1160 sq(sk, 0, L"505", L"System error - Could not fork session", L"%%s", strerror(errno), NULL);
1161 return;
1162 }
1163 if(pid == 0)
1164 {
1165 execv(filtercmd, cargv);
1166 flog(LOG_WARNING, "could not exec filtercmd %s: %s", filtercmd, strerror(errno));
1167 exit(127);
1168 }
1169 for(pp = cargv; *pp; pp++)
1170 free(*pp);
1171 free(cargv);
1172 data->fcmdsk = wrapsock(pipe);
1173 data->fcmdpid = pid;
1174 if(data->fcmdbuf != NULL)
1175 {
1176 free(data->fcmdbuf);
1177 data->fcmdbuf = NULL;
1178 }
1179 data->fcmdbufsize = data->fcmdbufdata = 0;
1180 data->fcmdsk->data = data;
1181 data->fcmdsk->readcb = (void (*)(struct socket *, void *))fcmdread;
1182 data->fcmdsk->errcb = (void (*)(struct socket *, int, void *))fcmderr;
1183}
1184
1185static void cmd_lstrarg(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1186{
1187 struct transfer *transfer;
9ec790e8 1188 struct wcspair *ta;
d3372da9 1189
1190 haveargs(2);
1191 havepriv(PERM_TRANS);
1192 if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL)
1193 {
1194 sq(sk, 0, L"512", L"No such transfer", NULL);
1195 return;
1196 }
1197 if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid))
1198 {
1199 sq(sk, 0, L"502", L"You do not own that transfer", NULL);
1200 return;
1201 }
1202 if(transfer->args == NULL)
1203 {
1204 sq(sk, 0, L"201", L"Transfer has no arguments", NULL);
1205 } else {
1206 for(ta = transfer->args; ta != NULL; ta = ta->next)
9ec790e8 1207 sq(sk, ta->next != NULL, L"200", L"%%ls", ta->key, L"%%ls", ta->val, NULL);
d3372da9 1208 }
1209}
1210
1211static void cmd_hashstatus(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1212{
1213 struct sharecache *node;
1214 int total, hashed;
1215
1216 total = hashed = 0;
1217 for(node = shareroot->child; node != NULL; node = nextscnode(node))
1218 {
1219 if(node->f.b.type == FILE_REG)
1220 {
1221 total++;
1222 if(node->f.b.hastth)
1223 hashed++;
1224 }
1225 }
1226 sq(sk, 0, L"200", L"%%i", total, L"tth", L"%%i", hashed, NULL);
1227}
1228
796283c6 1229static void cmd_transstatus(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1230{
1231 wchar_t *buf1, *buf2;
1232
1233 havepriv(PERM_TRANS);
1234 buf1 = swprintf2(L"%lli", bytesdownload);
1235 buf2 = swprintf2(L"%lli", bytesupload);
1236 sq(sk, 0, L"200", L"%%ls", buf1, L"%%ls", buf2, NULL);
1237 free(buf1);
1238 free(buf2);
1239}
1240
5f151349 1241static void cmd_register(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1242{
1243 struct uidata *d2;
1244
1245 haveargs(2);
1246 if(data->userinfo == NULL) {
1247 sq(sk, 0, L"502", L"Must be logged in", NULL);
1248 return;
1249 }
1250 if(argv[1][0] == L'#') {
1251 sq(sk, 0, L"509", L"Name must not begin with a hash sign", NULL);
1252 return;
1253 }
1254 for(d2 = actives; d2 != NULL; d2 = d2->next) {
7b2663a4 1255 if((d2 != data) && (d2->userinfo == data->userinfo) && d2->regname && !wcscmp(d2->regname, argv[1])) {
5f151349 1256 sq(sk, 0, L"516", L"Name already in use", NULL);
1257 return;
1258 }
1259 }
1260 if(data->regname != NULL)
1261 free(data->regname);
1262 data->regname = swcsdup(argv[1]);
1263 sq(sk, 0, L"200", L"Registered", NULL);
1264}
1265
1266static void cmd_sendmsg(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1267{
1268 int i, rcptid;
1269 struct uidata *rcpt;
1270 wchar_t *myname;
1271 struct notif *notif;
1272
1273 haveargs(2);
1274 if(data->userinfo == NULL) {
1275 sq(sk, 0, L"502", L"Must be logged in", NULL);
1276 return;
1277 }
1278 if(argv[1][0] == L'#') {
1279 rcptid = wcstol(argv[1] + 1, NULL, 0);
1280 for(rcpt = actives; rcpt != NULL; rcpt = rcpt->next) {
7b2663a4 1281 if((rcpt->userinfo == data->userinfo) && (rcpt->id == rcptid))
5f151349 1282 break;
1283 }
1284 } else {
1285 for(rcpt = actives; rcpt != NULL; rcpt = rcpt->next) {
7b2663a4 1286 if((rcpt->userinfo == data->userinfo) && rcpt->regname && !wcscmp(rcpt->regname, argv[1]))
5f151349 1287 break;
1288 }
1289 }
1290 if(rcpt == NULL) {
1291 sq(sk, 0, L"517", L"No such recipient", NULL);
1292 return;
1293 }
1294 if(!rcpt->notify.b.msg) {
1295 sq(sk, 0, L"518", L"Recipient not listening for messages", NULL);
1296 return;
1297 }
1298 if(data->regname != NULL)
1299 myname = swcsdup(data->regname);
1300 else
1301 myname = swprintf2(L"#%i", data->id);
1302 notif = newnotif(rcpt, 640, NOTIF_STR, myname, NOTIF_END);
1303 for(i = 2; i < argc; i++)
1304 notifappend(notif, NOTIF_STR, argv[i], NOTIF_END);
1305 sq(sk, 0, L"200", L"Message sent", NULL);
1306}
1307
9a64a4f7 1308static void cmd_uptime(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1309{
1310 sq(sk, 0, L"200", L"%%i", time(NULL) - starttime, NULL);
1311}
1312
d3372da9 1313#undef haveargs
1314#undef havepriv
1315
1316/*
1317 * Reserved command numbers for nameless commands:
1318 * 0: Issued when a client has connected
1319 * 1: Issued when a named command couldn't be found
1320 */
1321
1322static struct command commands[] =
1323{
1324 {NULL, cmd_connect},
1325 {NULL, cmd_notfound},
1326 {L"shutdown", cmd_shutdown},
1327 {L"quit", cmd_quit},
1328 {L"lsauth", cmd_lsauth},
1329 {L"login", cmd_login},
1330 {L"pass", cmd_pass},
1331 {L"cnct", cmd_fnetconnect},
1332 {L"lsnodes", cmd_lsnodes},
1333 {L"dcnct", cmd_disconnect},
1334 {L"lspa", cmd_lspa},
1335 {L"lspeers", cmd_lspeers},
1336 {L"download", cmd_download},
1337 {L"lstrans", cmd_lstrans},
1338 {L"cancel", cmd_cancel},
1339 {L"notify", cmd_notify},
1340 {L"sendchat", cmd_sendchat},
1341 {L"search", cmd_search},
1342 {L"lssrch", cmd_lssrch},
1343 {L"lssr", cmd_lssr},
1344 {L"cansrch", cmd_cansrch},
1345 {L"filtercmd", cmd_filtercmd},
1346 {L"lstrarg", cmd_lstrarg},
1347 {L"hashstatus", cmd_hashstatus},
796283c6 1348 {L"transstatus", cmd_transstatus},
5f151349 1349 {L"register", cmd_register},
1350 {L"sendmsg", cmd_sendmsg},
9a64a4f7 1351 {L"uptime", cmd_uptime},
d3372da9 1352 {NULL, NULL}
1353};
1354
1355static void freequeuecmd(struct qcommand *qcmd)
1356{
1357 int i;
1358
1359 if(qcmd->argv != NULL)
1360 {
1361 for(i = 0; i < qcmd->argc; i++)
1362 free(qcmd->argv[i]);
1363 free(qcmd->argv);
1364 }
1365 free(qcmd);
1366}
1367
1368static struct qcommand *unlinkqcmd(struct uidata *data)
1369{
1370 struct qcommand *qcmd;
1371
1372 qcmd = data->queue;
1373 if(qcmd != NULL)
1374 {
1375 data->queue = qcmd->next;
1376 if(qcmd == data->queuelast)
1377 data->queuelast = qcmd->next;
1378 }
1379 return(qcmd);
1380}
1381
ba86d49a 1382static void notifappendv(struct notif *notif, va_list args)
d3372da9 1383{
d3372da9 1384 int dt, ca;
1385
d3372da9 1386 while((dt = va_arg(args, int)) != NOTIF_END)
1387 {
1388 ca = notif->argc;
1389 notif->argv = realloc(notif->argv, sizeof(*notif->argv) * ++notif->argc);
1390 notif->argv[ca].dt = dt;
1391 switch(dt)
1392 {
1393 case NOTIF_INT:
1394 case NOTIF_ID:
1395 notif->argv[ca].d.n = va_arg(args, int);
1396 break;
1397 case NOTIF_STR:
1398 notif->argv[ca].d.s = wcsdup(va_arg(args, wchar_t *));
1399 break;
1400 case NOTIF_FLOAT:
1401 notif->argv[ca].d.d = va_arg(args, double);
1402 break;
1403 }
1404 }
ba86d49a 1405}
1406
1407static void notifappend(struct notif *notif, ...)
1408{
1409 va_list args;
1410
1411 va_start(args, notif);
1412 notifappendv(notif, args);
1413 va_end(args);
1414}
1415
1416static struct notif *newnotif(struct uidata *data, int code, ...)
1417{
1418 struct notif *notif;
1419 va_list args;
1420
1421 notif = smalloc(sizeof(*notif));
1422 memset(notif, 0, sizeof(*notif));
1423 notif->rlimit = 0.0;
1424 notif->ui = data;
1425 notif->code = code;
1426 va_start(args, code);
1427 notifappendv(notif, args);
d3372da9 1428 va_end(args);
1429 notif->next = NULL;
1430 notif->prev = data->lnotif;
1431 if(data->lnotif != NULL)
1432 data->lnotif->next = notif;
1433 else
1434 data->fnotif = notif;
1435 data->lnotif = notif;
1436 return(notif);
1437}
1438
1439static void freenotif(struct notif *notif)
1440{
1441 int i;
1442
1443 if(notif->next != NULL)
1444 notif->next->prev = notif->prev;
1445 if(notif->prev != NULL)
1446 notif->prev->next = notif->next;
1447 if(notif == notif->ui->fnotif)
1448 notif->ui->fnotif = notif->next;
1449 if(notif == notif->ui->lnotif)
1450 notif->ui->lnotif = notif->prev;
1451 if(notif->exptimer != NULL)
1452 canceltimer(notif->exptimer);
1453 for(i = 0; i < notif->argc; i++)
1454 {
1455 if(notif->argv[i].dt == NOTIF_STR)
1456 free(notif->argv[i].d.s);
1457 }
1458 if(notif->argv != NULL)
1459 free(notif->argv);
1460 free(notif);
1461}
1462
1463static void notifexpire(int cancelled, struct notif *notif)
1464{
1465 notif->exptimer = NULL;
1466 if(!cancelled)
1467 freenotif(notif);
1468}
1469
1470static struct notif *findnotif(struct notif *notif, int dir, int state, int code, int id)
1471{
1472 int i, cont;
1473
1474 for(; notif != NULL; notif = (dir?notif->next:notif->prev))
1475 {
1476 if((notif->code == code) && ((state < 0) || (state == notif->state)))
1477 {
1478 cont = 0;
1479 if(id >= 0)
1480 {
1481 for(i = 0; i < notif->argc; i++)
1482 {
1483 if((notif->argv[i].dt == NOTIF_ID) && (notif->argv[i].d.n != id))
1484 {
1485 cont = 1;
1486 break;
1487 }
1488 }
1489 }
1490 if(cont)
1491 continue;
1492 break;
1493 }
1494 }
1495 return(notif);
1496}
1497
1498static void freeuidata(struct uidata *data)
1499{
1500 int i;
1501 struct qcommand *qcmd;
1502
1503 if(data->next != NULL)
1504 data->next->prev = data->prev;
1505 if(data->prev != NULL)
1506 data->prev->next = data->next;
1507 if(data == actives)
1508 actives = data->next;
1509 data->sk->readcb = NULL;
1510 data->sk->errcb = NULL;
1511 putsock(data->sk);
1512 while((qcmd = unlinkqcmd(data)) != NULL)
1513 freequeuecmd(qcmd);
1514 iconv_close(data->ichandle);
1515 if(data->cw != NULL)
1516 free(data->cw);
1517 if(data->cb != NULL)
1518 free(data->cb);
1519 if(data->argv != NULL)
1520 {
1521 for(i = 0; i < data->argc; i++)
1522 free(data->argv[i]);
1523 free(data->argv);
1524 }
1525 if(data->auth != NULL)
1526 authputhandle(data->auth);
5f151349 1527 if(data->regname != NULL)
1528 free(data->regname);
d3372da9 1529 if(data->username != NULL)
1530 {
1531 if(data->userinfo != NULL)
1532 flog(LOG_INFO, "%ls logged out", data->username);
1533 free(data->username);
1534 }
1535 free(data->inbuf);
1536 while(data->fnotif != NULL)
1537 freenotif(data->fnotif);
1538 if(data->fcmdbuf != NULL)
1539 free(data->fcmdbuf);
1540 if(data->fcmdpid != 0)
1541 kill(-data->fcmdpid, SIGHUP);
1542 if(data->fcmdsk != NULL)
1543 putsock(data->fcmdsk);
1544 free(data);
1545}
1546
1547static void queuecmd(struct uidata *data, struct command *cmd, int argc, wchar_t **argv)
1548{
1549 struct qcommand *new;
1550
1551 new = smalloc(sizeof(*new));
1552 new->cmd = cmd;
1553 new->argc = argc;
1554 new->argv = argv;
1555 new->next = NULL;
1556 if(data->queuelast != NULL)
1557 data->queuelast->next = new;
1558 data->queuelast = new;
1559 if(data->queue == NULL)
1560 data->queue = new;
1561}
1562
1563static struct uidata *newuidata(struct socket *sk)
1564{
1565 struct uidata *data;
5f151349 1566 static int curid = 0;
d3372da9 1567
1568 data = smalloc(sizeof(*data));
1569 memset(data, 0, sizeof(*data));
5f151349 1570 data->id = curid++;
d3372da9 1571 data->sk = sk;
1572 getsock(sk);
1573 data->inbuf = smalloc(1024);
1574 data->uid = -1;
1575 if((data->ichandle = iconv_open("wchar_t", "utf-8")) == (iconv_t)-1)
1576 {
1577 flog(LOG_CRIT, "iconv cannot handle UTF-8: %s", strerror(errno));
1578 return(NULL);
1579 }
1580 data->next = actives;
1581 data->prev = NULL;
1582 if(actives != NULL)
1583 actives->prev = data;
1584 actives = data;
1585 return(data);
1586}
1587
1588static void uiread(struct socket *sk, struct uidata *data)
1589{
1590 int ret, done;
1591 char *newbuf;
1592 char *p1, *p2;
1593 wchar_t *porig;
1594 size_t datalen, len2;
1595 struct command *cur;
1596
1597 if(data->indata > 1024)
1598 data->indata = 0;
1599 if((newbuf = sockgetinbuf(sk, &datalen)) == NULL)
1600 return;
1601 sizebuf(&data->inbuf, &data->inbufsize, data->indata + datalen, 1, 1);
1602 memcpy(data->inbuf + data->indata, newbuf, datalen);
1603 free(newbuf);
1604 data->indata += datalen;
1605 if(data->cb == NULL)
1606 {
1607 data->cb = smalloc(sizeof(wchar_t) * (data->cbsize = 64));
1608 data->cbdata = 0;
1609 data->pp = data->cb;
1610 }
1611 done = 0;
1612 while(!done)
1613 {
1614 if(data->cbsize == data->cbdata)
1615 {
1616 len2 = data->pp - data->cb;
1617 data->cb = srealloc(data->cb, sizeof(wchar_t) * (data->cbsize *= 2));
1618 data->pp = data->cb + len2;
1619 }
1620 p1 = data->inbuf;
1621 p2 = (char *)(porig = (data->cb + data->cbdata));
1622 len2 = sizeof(wchar_t) * (data->cbsize - data->cbdata);
1623 ret = iconv(data->ichandle, &p1, &data->indata, &p2, &len2);
1624 memmove(data->inbuf, p1, data->indata);
1625 /* Just a sanity check */
1626 if(((p2 - ((char *)data->cb)) % sizeof(wchar_t)) != 0)
1627 {
1628 flog(LOG_CRIT, "Aiya! iconv does strange things to our wchar_t's!");
1629 abort();
1630 }
1631 data->cbdata += (((wchar_t *)p2) - porig);
1632 if(ret < 0)
1633 {
1634 switch(errno)
1635 {
1636 case EILSEQ:
1637 /* XXX: Should this really just ignore it? */
1638 data->indata = 0;
1639 done = 1;
1640 break;
1641 case EINVAL:
1642 done = 1;
1643 break;
1644 case E2BIG:
1645 /* Just a sanity check */
1646 if(data->cbsize != data->cbdata)
1647 {
1648 flog(LOG_CRIT, "Aiya! iconv doesn't give us wchar_t's!");
1649 abort();
1650 }
1651 break;
1652 default:
1653 flog(LOG_WARNING, "bug: strange error from iconv in uiread: %s", strerror(errno));
1654 break;
1655 }
1656 } else {
1657 done = 1;
1658 }
1659 }
1660 done = 0;
1661 while(!done && (data->pp - data->cb < data->cbdata))
1662 {
1663 switch(data->ps)
1664 {
1665 case 0:
1666 if(iswspace(*data->pp))
1667 {
1668 if(*data->pp == L'\r')
1669 {
1670 if(data->pp == data->cb + data->cbdata - 1)
1671 {
1672 done = 1;
1673 break;
1674 }
1675 if(*(++data->pp) == L'\n')
1676 {
1677 if((data->argv != NULL) && (data->argv[0] != NULL))
1678 {
1679 for(cur = commands; cur->handler != NULL; cur++)
1680 {
1681 if(cur->name == NULL)
1682 continue;
1683 if(!wcscasecmp(cur->name, data->argv[0]))
1684 {
1685 queuecmd(data, cur, data->argc, data->argv);
1686 break;
1687 }
1688 }
1689 if(cur->handler == NULL)
1690 queuecmd(data, &commands[1], data->argc, data->argv);
1691 } else {
1692 queuecmd(data, &commands[1], data->argc, data->argv);
1693 }
1694 data->argv = NULL;
1695 data->args = 0;
1696 data->argc = 0;
1697 wmemmove(data->cb, data->pp, data->cbdata -= (data->pp - data->cb));
1698 data->pp = data->cb;
1699 } else {
1700 data->pp++;
1701 }
1702 } else {
1703 data->pp++;
1704 }
1705 } else {
1706 data->ps = 1;
1707 data->cwdata = 0;
1708 }
1709 break;
1710 case 1:
1711 if(iswspace(*data->pp))
1712 {
1713 addtobuf(data->cw, L'\0');
1714 sizebuf(&data->argv, &data->args, data->argc + 1, sizeof(*data->argv), 1);
1715 data->argv[data->argc++] = data->cw;
1716 data->cw = NULL;
1717 data->cwsize = 0;
1718 data->cwdata = 0;
1719 data->ps = 0;
1720 } else if(*data->pp == L'\"') {
1721 data->ps = 2;
1722 data->pp++;
1723 } else if(*data->pp == L'\\') {
1724 if(data->pp == data->cb + data->cbdata - 1)
1725 {
1726 done = 1;
1727 break;
1728 }
1729 addtobuf(data->cw, *(++data->pp));
1730 data->pp++;
1731 } else {
1732 addtobuf(data->cw, *(data->pp++));
1733 }
1734 break;
1735 case 2:
1736 if(*data->pp == L'\"')
1737 {
1738 data->ps = 1;
1739 } else if(*data->pp == L'\\') {
1740 if(data->pp == data->cb + data->cbdata - 1)
1741 {
1742 done = 1;
1743 break;
1744 }
1745 addtobuf(data->cw, *(++(data->pp)));
1746 } else {
1747 addtobuf(data->cw, *data->pp);
1748 }
1749 data->pp++;
1750 break;
1751 }
1752 }
1753}
1754
1755static void uierror(struct socket *sk, int err, struct uidata *data)
1756{
1757 if(err)
1758 flog(LOG_WARNING, "error occurred on UI socket: %s", strerror(err));
1759 freeuidata(data);
1760}
1761
1762static void uiaccept(struct socket *sk, struct socket *newsk, void *data)
1763{
1764 struct uidata *uidata;
1765
1766 newsk->data = uidata = newuidata(newsk);
1767 socksettos(newsk, confgetint("ui", "uitos"));
1768 if(uidata == NULL)
1769 return;
1770 newsk->errcb = (void (*)(struct socket *, int, void *))uierror;
1771 newsk->readcb = (void (*)(struct socket *, void *))uiread;
1772 queuecmd(uidata, &commands[0], 0, NULL);
1773}
1774
1775static int srcheta(struct search *srch, void *uudata)
1776{
1777 struct uidata *data;
1778
1779 for(data = actives; data != NULL; data = data->next)
1780 {
1781 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
1782 newnotif(data, 620, NOTIF_ID, srch->id, NOTIF_INT, srch->eta - time(NULL), NOTIF_END);
1783 }
1784 return(0);
1785}
1786
1787static int srchcommit(struct search *srch, void *uudata)
1788{
1789 struct uidata *data;
1790
1791 for(data = actives; data != NULL; data = data->next)
1792 {
1793 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
1794 newnotif(data, 621, NOTIF_ID, srch->id, NOTIF_END);
1795 }
1796 return(0);
1797}
1798
1799static int srchres(struct search *srch, struct srchres *sr, void *uudata)
1800{
1801 struct uidata *data;
1802
1803 for(data = actives; data != NULL; data = data->next)
1804 {
1805 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
ebbc13f3 1806 {
ebbc13f3 1807 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 1808 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 1809 }
d3372da9 1810 }
1811 return(0);
1812}
1813
1814static int recvchat(struct fnetnode *fn, int public, wchar_t *name, wchar_t *peer, wchar_t *string, void *uudata)
1815{
1816 struct uidata *data;
1817
1818 for(data = actives; data != NULL; data = data->next)
1819 {
1820 if(haspriv(data, PERM_CHAT) && data->notify.b.fnchat)
1821 newnotif(data, 600, NOTIF_ID, fn->id, NOTIF_INT, public, NOTIF_STR, name, NOTIF_STR, peer, NOTIF_STR, string, NOTIF_END);
1822 }
1823 return(0);
1824}
1825
1826static int fnactive(struct fnetnode *fn, wchar_t *attrib, void *uudata)
1827{
1828 struct uidata *data;
1829 struct notif *notif;
1830
1831 if(!wcscmp(attrib, L"state"))
1832 {
1833 for(data = actives; data != NULL; data = data->next)
1834 {
1835 if(data->notify.b.fnact)
1836 newnotif(data, 601, NOTIF_ID, fn->id, NOTIF_INT, fn->state, NOTIF_END);
1837 }
1838 } else if(!wcscmp(attrib, L"name")) {
1839 for(data = actives; data != NULL; data = data->next)
1840 {
1841 if(data->notify.b.fnact)
1842 newnotif(data, 602, NOTIF_ID, fn->id, NOTIF_STR, fn->name, NOTIF_END);
1843 }
1844 } else if(!wcscmp(attrib, L"numpeers")) {
1845 for(data = actives; data != NULL; data = data->next)
1846 {
1847 if(data->notify.b.fnact)
1848 {
1849 if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 605, fn->id)) != NULL)
1850 notif->argv[1].d.n = fn->numpeers;
1851 else
ba86d49a 1852 newnotif(data, 605, NOTIF_ID, fn->id, NOTIF_INT, fn->numpeers, NOTIF_END)->rlimit = 0.5;
d3372da9 1853 }
1854 }
1855 }
1856 return(0);
1857}
1858
1859static int fnunlink(struct fnetnode *fn, void *uudata)
1860{
1861 struct uidata *data;
1862
1863 for(data = actives; data != NULL; data = data->next)
1864 {
1865 if(data->notify.b.fnact)
1866 newnotif(data, 603, NOTIF_ID, fn->id, NOTIF_END);
1867 }
1868 return(0);
1869}
1870
ba86d49a 1871static int peernew(struct fnetnode *fn, struct fnetpeer *peer, void *uudata)
1872{
1873 struct uidata *data;
1874
1875 for(data = actives; data != NULL; data = data->next)
1876 {
1877 if(data->notify.b.fnpeer)
1878 newnotif(data, 630, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_STR, peer->nick, NOTIF_END);
1879 }
1880 return(0);
1881}
1882
1883static int peerdel(struct fnetnode *fn, struct fnetpeer *peer, void *uudata)
1884{
1885 struct uidata *data;
1886
1887 for(data = actives; data != NULL; data = data->next)
1888 {
1889 if(data->notify.b.fnpeer)
1890 newnotif(data, 631, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_END);
1891 }
1892 return(0);
1893}
1894
1895static int peerchange(struct fnetnode *fn, struct fnetpeer *peer, struct fnetpeerdi *di, void *uudata)
1896{
1897 struct uidata *data;
1898 struct notif *notif;
1899 wchar_t buf[32];
1900
1901 for(data = actives; data != NULL; data = data->next)
1902 {
1903 if(data->notify.b.fnpeer)
1904 {
1905 for(notif = data->fnotif; notif != NULL; notif = notif->next)
1906 {
1907 if((notif->code == 632) && (notif->state == NOTIF_PEND) && (notif->argv[0].d.n == fn->id) && !wcscmp(notif->argv[1].d.s, peer->id))
1908 break;
1909 }
1910 if(notif == NULL)
1911 notif = newnotif(data, 632, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_STR, peer->nick, NOTIF_END);
1912 notifappend(notif, NOTIF_STR, di->datum->id, NOTIF_INT, di->datum->datatype, NOTIF_END);
1913 switch(di->datum->datatype)
1914 {
1915 case FNPD_INT:
1916 notifappend(notif, NOTIF_INT, di->data.num, NOTIF_END);
1917 break;
1918 case FNPD_STR:
1919 notifappend(notif, NOTIF_STR, di->data.str, NOTIF_END);
1920 break;
1921 case FNPD_LL:
1922 swprintf(buf, sizeof(buf) / sizeof(*buf), L"%lli", di->data.lnum);
1923 notifappend(notif, NOTIF_STR, buf, NOTIF_END);
1924 break;
1925 }
1926 }
1927 }
1928 return(0);
1929}
1930
d3372da9 1931static int newfnetnode(struct fnetnode *fn, void *uudata)
1932{
1933 struct uidata *data;
1934
1935 for(data = actives; data != NULL; data = data->next)
1936 {
1937 if(data->notify.b.fnact)
1938 newnotif(data, 604, NOTIF_ID, fn->id, NOTIF_STR, fn->fnet->name, NOTIF_END);
1939 }
1940 CBREG(fn, fnetnode_ac, fnactive, NULL, NULL);
1941 CBREG(fn, fnetnode_chat, recvchat, NULL, NULL);
1942 CBREG(fn, fnetnode_unlink, fnunlink, NULL, NULL);
ba86d49a 1943 CBREG(fn, fnetpeer_new, peernew, NULL, NULL);
1944 CBREG(fn, fnetpeer_del, peerdel, NULL, NULL);
1945 CBREG(fn, fnetpeer_chdi, peerchange, NULL, NULL);
d3372da9 1946 return(0);
1947}
1948
1949static int transferchattr(struct transfer *transfer, wchar_t *attrib, void *uudata)
1950{
1951 struct uidata *data;
1952
1953 if(!wcscmp(attrib, L"state"))
1954 {
1955 for(data = actives; data != NULL; data = data->next)
1956 {
1957 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1958 newnotif(data, 611, NOTIF_ID, transfer->id, NOTIF_INT, transfer->state, NOTIF_END);
1959 }
1960 } else if(!wcscmp(attrib, L"nick")) {
1961 for(data = actives; data != NULL; data = data->next)
1962 {
1963 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1964 newnotif(data, 612, NOTIF_ID, transfer->id, NOTIF_STR, transfer->peernick, NOTIF_END);
1965 }
1966 } else if(!wcscmp(attrib, L"size")) {
1967 for(data = actives; data != NULL; data = data->next)
1968 {
1969 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1970 newnotif(data, 613, NOTIF_ID, transfer->id, NOTIF_INT, transfer->size, NOTIF_END);
1971 }
1972 } else if(!wcscmp(attrib, L"error")) {
1973 for(data = actives; data != NULL; data = data->next)
1974 {
1975 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1976 newnotif(data, 614, NOTIF_ID, transfer->id, NOTIF_INT, transfer->error, NOTIF_END);
1977 }
1978 } else if(!wcscmp(attrib, L"path")) {
1979 for(data = actives; data != NULL; data = data->next)
1980 {
1981 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1982 newnotif(data, 616, NOTIF_ID, transfer->id, NOTIF_STR, transfer->path, NOTIF_END);
1983 }
a04fc9ff 1984 } else if(!wcscmp(attrib, L"hash")) {
1985 for(data = actives; data != NULL; data = data->next)
1986 {
1987 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
5e13cdca 1988 newnotif(data, 618, NOTIF_ID, transfer->id, NOTIF_STR, (transfer->hash == NULL)?L"":unparsehash(transfer->hash), NOTIF_END);
a04fc9ff 1989 }
d3372da9 1990 }
1991 return(0);
1992}
1993
1994static int transferprog(struct transfer *transfer, void *uudata)
1995{
1996 struct uidata *data;
1997 struct notif *notif;
1998
1999 for(data = actives; data != NULL; data = data->next)
2000 {
2001 if(haspriv(data, PERM_TRANS) && data->notify.b.trprog && ((transfer->owner == 0) || (transfer->owner == data->uid)))
2002 {
2003 if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 615, transfer->id)) != NULL)
2004 notif->argv[1].d.n = transfer->curpos;
2005 else
2006 newnotif(data, 615, NOTIF_ID, transfer->id, NOTIF_INT, transfer->curpos, NOTIF_END)->rlimit = 0.5;
2007 }
2008 }
2009 return(0);
2010}
2011
2012static int transferdestroyed(struct transfer *transfer, void *uudata)
2013{
2014 struct uidata *data;
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)))
3d204c2d 2019 newnotif(data, 617, NOTIF_ID, transfer->id, NOTIF_STR, (transfer->exitstatus == NULL)?L"":(transfer->exitstatus), NOTIF_END);
d3372da9 2020 }
2021 return(0);
2022}
2023
2024static int newtransfernotify(struct transfer *transfer, void *uudata)
2025{
2026 struct uidata *data;
2027
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)))
2031 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);
2032 }
2033 CBREG(transfer, trans_ac, transferchattr, NULL, NULL);
2034 CBREG(transfer, trans_p, transferprog, NULL, NULL);
2035 CBREG(transfer, trans_destroy, transferdestroyed, NULL, NULL);
2036 return(0);
2037}
2038
2039static struct uiuser *newuser(wchar_t *name, unsigned long perms)
2040{
2041 struct uiuser *new;
2042
2043 new = smalloc(sizeof(*new));
2044 new->used = 0;
2045 new->name = swcsdup(name);
2046 new->perms = perms;
2047 new->delete = 0;
2048 new->next = users;
2049 new->prev = NULL;
2050 if(users != NULL)
2051 users->prev = new;
2052 users = new;
2053 return(new);
2054}
2055
2056static void freeuser(struct uiuser *user)
2057{
2058 if(user->next != NULL)
2059 user->next->prev = user->prev;
2060 if(user->prev != NULL)
2061 user->prev->next = user->next;
2062 if(user == users)
2063 users = user->next;
2064 free(user->name);
2065 free(user);
2066}
2067
2068static int conf_user(int argc, wchar_t **argv)
2069{
2070 int i, perms, permmod;
2071 struct uiuser *user;
2072 wchar_t *p;
2073
2074 if(argc < 3)
2075 {
2076 flog(LOG_WARNING, "not enough arguments given for user command");
2077 return(1);
2078 }
2079 perms = 0;
2080 for(i = 2; i < argc; i++)
2081 {
2082 if(!iswalpha(argv[i][0]))
2083 p = argv[i] + 1;
2084 else
2085 p = argv[i];
2086 if(!wcscmp(p, L"disallow"))
2087 permmod = PERM_DISALLOW;
2088 if(!wcscmp(p, L"admin"))
2089 permmod = PERM_ADMIN;
2090 if(!wcscmp(p, L"fnetctl"))
2091 permmod = PERM_FNETCTL;
2092 if(!wcscmp(p, L"trans"))
2093 permmod = PERM_TRANS;
2094 if(!wcscmp(p, L"transcu"))
2095 permmod = PERM_TRANSCU;
2096 if(!wcscmp(p, L"chat"))
2097 permmod = PERM_CHAT;
2098 if(!wcscmp(p, L"srch"))
2099 permmod = PERM_SRCH;
2100 if(!wcscmp(p, L"all"))
2101 permmod = ~0;
2102 if(argv[i][0] == L'-')
2103 perms &= ~permmod;
2104 else
2105 perms |= permmod;
2106 }
2107 if((user = finduser(argv[1])) == NULL)
2108 {
2109 newuser(argv[1], perms);
2110 } else {
2111 user->delete = 0;
2112 user->perms = perms;
2113 }
2114 return(0);
2115}
2116
2117static void preinit(int hup)
2118{
2119 struct uiuser *user;
2120
2121 if(!hup)
2122 {
2123 newuser(L"default", 0);
2124 } else {
2125 for(user = users; user != NULL; user = user->next)
2126 {
2127 if(!wcscmp(user->name, L"default"))
2128 user->delete = 1;
2129 }
2130 }
2131}
2132
d3372da9 2133static int portupdate(struct configvar *var, void *uudata)
2134{
d3372da9 2135 struct socket *newsock;
2136
0a1bc5b1 2137 if((uisocket = netcstcplisten(var->val.num, 1, uiaccept, NULL)) == NULL)
d3372da9 2138 {
2139 flog(LOG_WARNING, "could not create new UI socket, reverting to old: %s", strerror(errno));
2140 return(0);
2141 }
2142 if(uisocket != NULL)
2143 putsock(uisocket);
2144 uisocket = newsock;
2145 return(0);
2146}
2147
2148static int init(int hup)
2149{
d3372da9 2150 struct uiuser *user, *next;
2151
2152 if(hup)
2153 {
2154 for(user = users; user != NULL; user = next)
2155 {
2156 next = user->next;
2157 if(user->delete)
2158 freeuser(user);
2159 }
2160 }
2161 if(!hup)
2162 {
9a64a4f7 2163 starttime = time(NULL);
d3372da9 2164 if(uisocket != NULL)
2165 putsock(uisocket);
0a1bc5b1 2166 if((uisocket = netcstcplisten(confgetint("ui", "port"), 1, uiaccept, NULL)) == NULL)
d3372da9 2167 {
2168 flog(LOG_CRIT, "could not create UI socket: %s", strerror(errno));
2169 return(1);
2170 }
2171 CBREG(confgetvar("ui", "port"), conf_update, portupdate, NULL, NULL);
2172 GCBREG(newfncb, newfnetnode, NULL);
2173 GCBREG(newtransfercb, newtransfernotify, NULL);
2174 }
2175 return(0);
2176}
2177
2178static int run(void)
2179{
2180 int i, id;
2181 struct uidata *data, *next;
2182 struct qcommand *qcmd;
2183 struct notif *notif, *nnotif;
2184 wchar_t buf[64];
2185
2186 for(data = actives; data != NULL; data = next)
2187 {
2188 next = data->next;
2189 if(data->close)
2190 freeuidata(data);
2191 }
2192 for(data = actives; data != NULL; data = data->next)
2193 {
2194 for(notif = data->fnotif; notif != NULL; notif = nnotif)
2195 {
2196 nnotif = notif->next;
2197 if(notif->state == NOTIF_WAIT)
2198 continue;
2199 id = -1;
2200 for(i = 0; i < notif->argc; i++)
2201 {
2202 if(notif->argv[i].dt == NOTIF_ID)
2203 {
2204 id = notif->argv[i].d.n;
2205 break;
2206 }
2207 }
2208 if(findnotif(notif->prev, 0, -1, notif->code, id) != NULL)
2209 continue;
2210 sq(data->sk, 2, L"%%i", notif->code, NULL);
2211 for(i = 0; i < notif->argc; i++)
2212 {
2213 switch(notif->argv[i].dt)
2214 {
2215 case NOTIF_INT:
2216 case NOTIF_ID:
2217 sq(data->sk, 2, L"%%i", notif->argv[i].d.n, NULL);
2218 break;
2219 case NOTIF_STR:
2220 if(notif->argv[i].d.s[0] == L'%')
2221 sq(data->sk, 2, L"%%s", notif->argv[i].d.s, NULL);
2222 else
2223 sq(data->sk, 2, notif->argv[i].d.s, NULL);
2224 break;
2225 case NOTIF_FLOAT:
2226 swprintf(buf, 64, L"%f", notif->argv[i].d.d);
2227 sq(data->sk, 2, buf, NULL);
2228 break;
2229 }
2230 }
2231 sq(data->sk, 0, NULL);
2232 if(notif->rlimit != 0)
2233 {
2234 notif->state = NOTIF_WAIT;
2235 notif->exptimer = timercallback(ntime() + notif->rlimit, (void (*)(int, void *))notifexpire, notif);
2236 } else {
2237 freenotif(notif);
2238 }
2239 }
2240 if((qcmd = unlinkqcmd(data)) != NULL)
2241 {
2242 qcmd->cmd->handler(data->sk, data, qcmd->argc, qcmd->argv);
2243 freequeuecmd(qcmd);
2244 return(1);
2245 }
2246 }
2247 return(0);
2248}
2249
2250static void terminate(void)
2251{
2252 while(users != NULL)
2253 freeuser(users);
2254}
2255
2256static struct configvar myvars[] =
2257{
2258 {CONF_VAR_BOOL, "onlylocal", {.num = 1}},
2259 {CONF_VAR_INT, "port", {.num = 1500}},
2260 {CONF_VAR_INT, "uitos", {.num = SOCK_TOS_MINDELAY}},
2261 {CONF_VAR_STRING, "filtercmd", {.str = L"dc-filtercmd"}},
2262 {CONF_VAR_END}
2263};
2264
2265static struct configcmd mycmds[] =
2266{
2267 {"user", conf_user},
2268 {NULL}
2269};
2270
2271static struct module me =
2272{
2273 .name = "ui",
2274 .conf =
2275 {
2276 .vars = myvars,
2277 .cmds = mycmds
2278 },
2279 .preinit = preinit,
2280 .init = init,
2281 .run = run,
2282 .terminate = terminate
2283};
2284
2285MODULE(me)