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Fix some potential issues when freeing running cbchains.
[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
5ec60e42 162static int uiread(struct socket *sk, struct uidata *data);
163static int uierror(struct socket *sk, int err, struct uidata *data);
d3372da9 164static int srcheta(struct search *srch, void *uudata);
165static int srchcommit(struct search *srch, void *uudata);
166static int srchres(struct search *srch, struct srchres *sr, void *uudata);
5f151349 167static struct notif *newnotif(struct uidata *data, int code, ...);
168static void notifappend(struct notif *notif, ...);
d3372da9 169
170struct uiuser *users = NULL;
171struct uidata *actives = NULL;
172struct socket *uisocket = NULL;
9a64a4f7 173static time_t starttime;
d3372da9 174
175static wchar_t *quoteword(wchar_t *word)
176{
177 wchar_t *wp, *buf, *bp;
178 int dq, numbs, numc;
179
180 dq = 0;
181 numbs = 0;
182 numc = 0;
183 if(*word == L'\0')
184 {
185 dq = 1;
186 } else {
187 for(wp = word; *wp != L'\0'; wp++)
188 {
189 if(!dq && iswspace(*wp))
190 dq = 1;
191 if((*wp == L'\\') || (*wp == L'\"'))
192 numbs++;
193 numc++;
194 }
195 }
196 if(!dq && !numbs)
197 return(NULL);
198 bp = buf = smalloc(sizeof(wchar_t) * (numc + numbs + (dq?2:0) + 1));
199 if(dq)
200 *(bp++) = L'\"';
201 for(wp = word; *wp != L'\0'; wp++)
202 {
203 if((*wp == L'\\') || (*wp == L'\"'))
204 *(bp++) = L'\\';
205 *(bp++) = *wp;
206 }
207 if(dq)
208 *(bp++) = L'\"';
209 *(bp++) = L'\0';
210 return(buf);
211}
212
213static void sq(struct socket *sk, int cont, ...)
214{
215 int num, freepart;
216 va_list al;
217 char *final;
218 wchar_t *buf;
219 wchar_t *part, *tpart;
220 size_t bufsize, bufdata;
221
222 buf = NULL;
223 bufsize = bufdata = 0;
224 num = 0;
225 va_start(al, cont);
226 while((part = va_arg(al, wchar_t *)) != NULL)
227 {
228 if(*part == L'%')
229 {
230 /*
231 * This kludge demands that all arguments that you call it
232 * with are the size of an int. That happens to be the
233 * case for most datatypes on most platforms and
234 * compilers, but I don't know exactly which ones, and
235 * also a long long is a notable candidate of an arg that
236 * is not the size of an int on 32-bit archs. If it breaks
237 * some existing call on your architecture, please tell
238 * me.
239 */
240 part = vswprintf2(tpart = (part + 1), al);
241 for(; *tpart != L'\0'; tpart++)
242 {
243 if(*tpart == L'%')
244 {
245 if(tpart[1] == L'%')
246 tpart++;
247 else
248 va_arg(al, int);
249 }
250 }
251 freepart = 1;
252 } else {
253 freepart = 0;
254 }
255 if((tpart = quoteword(part)) != NULL)
256 {
257 if(freepart)
258 free(part);
259 part = tpart;
260 freepart = 1;
261 }
262 if((num > 1) || ((num == 1) && !(cont & 1)))
263 addtobuf(buf, L' ');
264 bufcat(buf, part, wcslen(part));
265 if((num == 0) && (cont & 1))
266 addtobuf(buf, L'-');
267 num++;
268 if(freepart)
269 free(part);
270 }
271 if(cont & 2)
272 bufcat(buf, L" \0", 2);
273 else
274 bufcat(buf, L"\r\n\0", 3);
275 if((final = icwcstombs(buf, "utf-8")) == NULL)
276 {
277 flog(LOG_CRIT, "could not convert \"%ls\" into utf-8: %s", buf, strerror(errno));
278 free(buf);
279 return;
280 }
281 va_end(al);
282 free(buf);
283 sockqueue(sk, final, strlen(final));
284 free(final);
285}
286
287struct uiuser *finduser(wchar_t *name)
288{
289 struct uiuser *user;
290
291 for(user = users; user != NULL; user = user->next)
292 {
293 if(!wcscmp(user->name, name))
294 break;
295 }
296 return(user);
297}
298
299static void logout(struct uidata *data)
300{
301 data->userinfo = NULL;
302 if(data->username != NULL)
303 free(data->username);
304 data->username = NULL;
305 if(data->auth != NULL)
306 authputhandle(data->auth);
307 data->auth = NULL;
308}
309
310static int haspriv(struct uidata *data, int perm)
311{
312 if(data->userinfo == NULL)
313 return(0);
314 if(data->userinfo->perms & perm)
315 return(1);
316 else
317 return(0);
318}
319
320/* Useful macros for the command functions: */
321#define haveargs(n) do { if(argc < n) { sq(sk, 0, L"501", L"Wrong number of arguments", NULL); return; } } while(0)
322#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)
323
324static void cmd_connect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
325{
326 int valid;
504ba854 327 struct in6_addr mv4lo;
d3372da9 328
329 if(confgetint("ui", "onlylocal"))
330 {
331 switch(sk->remote->sa_family)
332 {
333 case AF_INET:
334 valid = ((struct sockaddr_in *)sk->remote)->sin_addr.s_addr == INADDR_LOOPBACK;
335 break;
336 case AF_INET6:
504ba854 337 inet_pton(AF_INET6, "::ffff:127.0.0.1", &mv4lo);
338 valid = 0;
339 if(!memcmp(&((struct sockaddr_in6 *)sk->remote)->sin6_addr, &in6addr_loopback, sizeof(in6addr_loopback)))
340 valid = 1;
341 if(!memcmp(&((struct sockaddr_in6 *)sk->remote)->sin6_addr, &mv4lo, sizeof(in6addr_loopback)))
342 valid = 1;
d3372da9 343 break;
344 default:
345 valid = 0;
346 break;
347 }
348 if(!valid)
349 {
350 sq(sk, 0, L"502", L"Only localhost connections allowed to this host", NULL);
351 sk->close = 1;
352 data->close = 1;
353 return;
354 }
355 }
356 sq(sk, 0, L"200", L"%Dolda Connect daemon v%s", VERSION, NULL);
357}
358
359static void cmd_notfound(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
360{
361 if((argv != NULL) && (argv[0] != NULL))
362 sq(sk, 0, L"500", L"%Command not found: %ls", argv[0], NULL);
363 else
364 sq(sk, 0, L"500", L"No command", NULL);
365}
366
367static void cmd_shutdown(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
368{
369 extern volatile int running;
370
371 havepriv(PERM_ADMIN);
372 flog(LOG_NOTICE, "UI shutdown request from %ls, shutting down", data->username);
373 running = 0;
374 sq(sk, 0, L"200", L"Daemon shutting down", NULL);
375}
376
377static void cmd_quit(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
378{
379 sq(sk, 0, L"200", L"Closing connection", NULL);
380 data->close = 1;
381}
382
383static void cmd_lsauth(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
384{
385 struct authmech *mech, *prev;
386
387 prev = NULL;
388 for(mech = mechs; mech != NULL; mech = mech->next)
389 {
390 if(mech->enabled)
391 {
392 if(prev != NULL)
393 sq(sk, 1, L"200", prev->name, NULL);
394 prev = mech;
395 }
396 }
397 if(prev == NULL)
398 sq(sk, 0, L"201", L"No authentication methods supported", NULL);
399 else
400 sq(sk, 0, L"200", prev->name, NULL);
401}
402
403static void cmd_login(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
404{
405 char *buf;
406 int code;
407 struct passwd *pwd;
408
409 haveargs(3);
410 if(data->username != NULL)
411 {
412 if(data->userinfo != NULL)
413 sq(sk, 0, L"503", L"Already logged in", NULL);
414 else
415 sq(sk, 0, L"503", L"Already logging in", NULL);
416 return;
417 }
418 if((buf = icwcstombs(argv[2], NULL)) == NULL)
419 {
420 sq(sk, 0, L"504", L"Could not convert username to locale charset", NULL);
421 return;
422 }
423 data->username = swcsdup(argv[2]);
424 if((pwd = getpwnam(buf)) == NULL)
425 data->uid = -1;
426 else
427 data->uid = pwd->pw_uid;
428 if((data->auth = initauth(argv[1], buf)) == NULL)
429 {
430 if(errno == ENOENT)
431 sq(sk, 0, L"508", L"No such authentication mechanism", NULL);
432 else
433 sq(sk, 0, L"505", L"Could not initialize authentication system", L"%%s", strerror(errno), NULL);
434 free(buf);
435 logout(data);
436 return;
437 }
438 free(buf);
439 switch(authenticate(data->auth, NULL))
440 {
441 case AUTH_SUCCESS:
442 data->userinfo = finduser(data->username);
443 if(data->userinfo == NULL)
444 data->userinfo = finduser(L"default");
445 if(data->uid == -1)
446 {
447 sq(sk, 0, L"506", L"Authentication error", NULL);
6c9eee05 448 flog(LOG_INFO, "user %ls authenticated successfully from %s, but no account existed", data->username, formataddress(sk->remote, sk->remotelen));
d3372da9 449 logout(data);
450 } else if((data->userinfo == NULL) || (data->userinfo->perms & PERM_DISALLOW)) {
451 sq(sk, 0, L"506", L"Authentication error", NULL);
6c9eee05 452 flog(LOG_INFO, "user %ls authenticated successfully from %s, but was not authorized", data->username, formataddress(sk->remote, sk->remotelen));
d3372da9 453 logout(data);
454 } else {
455 sq(sk, 0, L"200", L"Welcome", NULL);
6c9eee05 456 flog(LOG_INFO, "%ls (UID %i) logged in from %s", data->username, data->uid, formataddress(sk->remote, sk->remotelen));
d3372da9 457 }
458 break;
459 case AUTH_DENIED:
460 sq(sk, 0, L"506", L"Authentication error", L"%%ls", (data->auth->text == NULL)?L"":(data->auth->text), NULL);
6c9eee05 461 flog(LOG_INFO, "authentication failed for %ls from %s", data->username, formataddress(sk->remote, sk->remotelen));
d3372da9 462 logout(data);
463 break;
464 case AUTH_PASS:
465 switch(data->auth->prompt)
466 {
467 case AUTH_PR_AUTO:
468 code = 300;
469 break;
470 case AUTH_PR_NOECHO:
471 code = 301;
472 break;
473 case AUTH_PR_ECHO:
474 code = 302;
475 break;
476 case AUTH_PR_INFO:
477 code = 303;
478 break;
479 case AUTH_PR_ERROR:
480 code = 304;
481 break;
482 }
483 sq(sk, 0, L"%%i", code, data->auth->text, NULL);
484 break;
485 case AUTH_ERR:
486 sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL);
487 logout(data);
488 break;
489 default:
490 flog(LOG_WARNING, "BUG? Non-caught return from authenticate in cmd_login");
491 sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL);
492 logout(data);
493 break;
494 }
495}
496
497static void cmd_pass(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
498{
499 char *buf;
500 int code;
501
502 haveargs(2);
503 if((buf = icwcstombs(argv[1], NULL)) == NULL)
504 {
505 sq(sk, 0, L"504", L"Could not convert data to locale charset", NULL);
506 return;
507 }
508 if((data->auth == NULL) || (data->userinfo != NULL))
509 {
510 sq(sk, 0, L"507", L"Data not expected", NULL);
511 return;
512 }
513 switch(authenticate(data->auth, buf))
514 {
515 case AUTH_SUCCESS:
516 data->userinfo = finduser(data->username);
517 if(data->userinfo == NULL)
518 data->userinfo = finduser(L"default");
519 if(data->uid == -1)
520 {
521 sq(sk, 0, L"506", L"Authentication error", NULL);
6c9eee05 522 flog(LOG_INFO, "user %ls authenticated successfully from %s, but no account existed", data->username, formataddress(sk->remote, sk->remotelen));
d3372da9 523 logout(data);
524 } else if((data->userinfo == NULL) || (data->userinfo->perms & PERM_DISALLOW)) {
525 sq(sk, 0, L"506", L"Authentication error", NULL);
6c9eee05 526 flog(LOG_INFO, "user %ls authenticated successfully from %s, but was not authorized", data->username, formataddress(sk->remote, sk->remotelen));
d3372da9 527 logout(data);
528 } else {
529 sq(sk, 0, L"200", L"Welcome", NULL);
6c9eee05 530 flog(LOG_INFO, "%ls (UID %i) logged in from %s", data->username, data->uid, formataddress(sk->remote, sk->remotelen));
d3372da9 531 }
532 break;
533 case AUTH_DENIED:
534 sq(sk, 0, L"506", L"Authentication error", L"%%ls", (data->auth->text == NULL)?L"":(data->auth->text), NULL);
6c9eee05 535 flog(LOG_INFO, "authentication failed for %ls from %s", data->username, formataddress(sk->remote, sk->remotelen));
d3372da9 536 logout(data);
537 break;
538 case AUTH_PASS:
539 switch(data->auth->prompt)
540 {
541 case AUTH_PR_AUTO:
542 code = 300;
543 break;
544 case AUTH_PR_NOECHO:
545 code = 301;
546 break;
547 case AUTH_PR_ECHO:
548 code = 302;
549 break;
550 case AUTH_PR_INFO:
551 code = 303;
552 break;
553 case AUTH_PR_ERROR:
554 code = 304;
555 break;
556 }
557 sq(sk, 0, L"%%i", code, data->auth->text, NULL);
558 break;
559 case AUTH_ERR:
560 sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL);
561 logout(data);
562 break;
563 default:
564 flog(LOG_WARNING, "BUG? Non-caught return from authenticate in cmd_pass");
565 sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL);
566 logout(data);
567 break;
568 }
569 free(buf);
570}
571
572static void cmd_fnetconnect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
573{
574 int i;
575 char *buf;
576 int err;
577 struct fnetnode *fn;
efc05613 578 struct wcspair *args;
d3372da9 579
580 haveargs(3);
581 havepriv(PERM_FNETCTL);
dd31fcfa 582 for(i = 0, fn = fnetnodes; fn != NULL; i++, fn = fn->next);
583 if((confgetint("fnet", "maxnodes") > 0) && (i >= confgetint("fnet", "maxnodes"))) {
584 sq(sk, 0, L"515", L"Too many fnetnodes connected already", NULL);
585 return;
586 }
d3372da9 587 if((buf = icwcstombs(argv[2], NULL)) == NULL)
588 {
589 sq(sk, 0, L"504", L"Could not convert data to locale charset", NULL);
590 return;
591 }
efc05613 592 args = NULL;
593 for(i = 3; i < argc - 1; i += 2)
594 newwcspair(argv[i], argv[i + 1], &args);
a3a4a3a7 595 fn = fnetinitconnect(argv[1], data->userinfo->name, buf, args);
d3372da9 596 err = errno;
597 free(buf);
598 if(fn == NULL)
599 {
600 if(errno == EPROTONOSUPPORT)
601 sq(sk, 0, L"511", L"No such network name", NULL);
602 else
603 sq(sk, 0, L"509", L"Could not parse the address", L"%%s", strerror(err), NULL);
604 return;
605 }
d3372da9 606 linkfnetnode(fn);
607 fnetsetname(fn, argv[2]);
edda83f2 608 sq(sk, 0, L"200", L"%%i", fn->id, L"Connection under way", NULL);
d3372da9 609 putfnetnode(fn);
d3372da9 610}
611
612static void cmd_lsnodes(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
613{
614 struct fnetnode *fn;
615
616 if(fnetnodes == NULL)
617 {
618 sq(sk, 0, L"201", L"No connected nodes", NULL);
619 return;
620 }
621 for(fn = fnetnodes; fn != NULL; fn = fn->next)
622 {
d1e8b9fd 623 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 624 }
625}
626
627static void cmd_disconnect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
628{
629 struct fnetnode *fn;
630 int i;
631
632 haveargs(2);
633 havepriv(PERM_FNETCTL);
634 /* Note - Programmatical user interfaces must only give one
635 * argument per command, the multiple argument form is only for
636 * convenience when manually controlling the daemon via
637 * eg. telnet. The reason is that the return codes aren't clear
638 * enough for the multiple argument form. */
639 for(i = 1; i < argc; i++)
640 {
641 if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL)
642 {
643 sq(sk, 0, L"510", L"No such node", NULL);
644 return;
645 }
18603153 646 if(wpfind(fn->args, L"locked") && !((data->userinfo->perms & PERM_ADMIN) || !wcscmp(data->userinfo->name, fn->owner)))
647 {
648 sq(sk, 0, L"502", L"This node is locked and you are neither administrator nor its owner", NULL);
649 return;
650 }
d3372da9 651 killfnetnode(fn);
652 unlinkfnetnode(fn);
653 }
654 sq(sk, 0, L"200", L"Node flagged for disconnection", NULL);
655}
656
657static void cmd_lspa(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
658{
659 struct fnetnode *fn;
660 struct fnetpeerdatum *datum;
661
662 haveargs(2);
663 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
664 {
665 sq(sk, 0, L"510", L"No such node", NULL);
666 return;
667 }
668 if(fn->peerdata == NULL)
669 {
670 sq(sk, 0, L"201", L"No data available", NULL);
671 } else {
672 for(datum = fn->peerdata; datum != NULL; datum = datum->next)
673 sq(sk, (datum->next != NULL)?1:0, L"200", datum->id, L"%%i", datum->datatype, NULL);
674 }
675}
676
677static void cmd_lspeers(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
678{
679 int i;
680 struct fnetnode *fn;
681 struct fnetpeer *peer;
682 wchar_t buf[40];
683
684 haveargs(2);
685 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
686 {
687 sq(sk, 0, L"510", L"No such node", NULL);
688 return;
689 }
690 if(fn->peers == NULL)
691 {
692 sq(sk, 0, L"201", L"No peers avaiable", NULL);
693 } else {
694 for(peer = fn->peers; peer != NULL; peer = peer->next)
695 {
3e0252c1 696 sq(sk, 2 | ((peer->next != NULL)?1:0), L"200", L"%%s", peer->id, L"%%s", peer->nick, NULL);
d3372da9 697 for(i = 0; i < peer->dinum; i++)
698 {
699 if(peer->peerdi[i].datum->datatype == FNPD_INT)
700 sq(sk, 2, peer->peerdi[i].datum->id, L"%%i", peer->peerdi[i].data.num, NULL);
701 /* Note: A long long is not the size of an int, so
702 * sq() can't handle the conversion itself. */
703 if(peer->peerdi[i].datum->datatype == FNPD_LL)
704 {
705 swprintf(buf, 40, L"%lli", peer->peerdi[i].data.lnum);
706 sq(sk, 2, peer->peerdi[i].datum->id, buf, NULL);
707 }
708 if((peer->peerdi[i].datum->datatype == FNPD_STR) && (peer->peerdi[i].data.str != NULL))
3e0252c1 709 sq(sk, 2, peer->peerdi[i].datum->id, L"%%s", peer->peerdi[i].data.str, NULL);
d3372da9 710 }
711 sq(sk, 0, NULL);
712 }
713 }
714}
715
716static void cmd_download(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
717{
718 int i;
719 struct fnet *net;
720 struct fnetnode *fn;
721 struct transfer *transfer;
722 struct fnetpeer *peer;
723
724 haveargs(4);
725 if((argc > 5) && ((argc % 2) == 0))
726 {
727 sq(sk, 0, L"501", L"Must have an even number of arguments", NULL);
728 return;
729 }
730 havepriv(PERM_TRANS);
731 if((*(argv[1]) >= L'0') && (*(argv[1]) <= L'9'))
732 {
733 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
734 {
735 sq(sk, 0, L"510", L"No such node", NULL);
736 return;
737 }
738 net = fn->fnet;
739 } else {
740 fn = NULL;
741 if((net = findfnet(argv[1])) == NULL)
742 {
743 sq(sk, 0, L"511", L"No such network name", NULL);
744 return;
745 }
746 }
747 transfer = newtransfer();
748 authgethandle(transfer->auth = data->auth);
749 transfer->fnet = net;
750 transfer->peerid = swcsdup(argv[2]);
751 transfer->path = swcsdup(argv[3]);
752 transfer->dir = TRNSD_DOWN;
753 transfer->owner = data->uid;
754 if(fn != NULL)
755 {
756 transfer->fn = fn;
757 getfnetnode(fn);
758 linktransfer(transfer);
759 if(((peer = fnetfindpeer(fn, transfer->peerid)) != NULL) && (peer->nick != NULL))
760 transfersetnick(transfer, peer->nick);
761 } else {
762 linktransfer(transfer);
763 }
764 if(argc > 4)
765 transfersetsize(transfer, wcstol(argv[4], NULL, 0));
766 if(argc > 5)
767 {
768 for(i = 5; i < argc; i += 2)
5123bec0 769 {
770 if(!wcscmp(argv[i], L"hash"))
771 {
a04fc9ff 772 transfersethash(transfer, parsehash(argv[i + 1]));
5123bec0 773 } else {
9ec790e8 774 newwcspair(argv[i], argv[i + 1], &transfer->args);
5123bec0 775 }
776 }
d3372da9 777 }
778 sq(sk, 0, L"200", L"%%i", transfer->id, L"Download queued", NULL);
779 transfersetactivity(transfer, L"create");
780}
781
782static void cmd_lstrans(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
783{
784 struct transfer *transfer, *pt;
785
786 havepriv(PERM_TRANS);
787 pt = NULL;
788 for(transfer = transfers; transfer != NULL; transfer = transfer->next)
789 {
790 if((transfer->dir != TRNSD_DOWN) || (transfer->owner == data->uid))
791 {
792 if(pt != NULL)
793 sq(sk, 1, 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 pt = transfer;
801 }
802 }
803 if(pt == NULL)
804 sq(sk, 0, L"201", L"No transfers", NULL);
805 else
806 sq(sk, 0, L"200", L"%%i", pt->id, L"%%i", pt->dir,
807 L"%%i", pt->state, pt->peerid,
808 (pt->peernick == NULL)?L"":(pt->peernick),
809 (pt->path == NULL)?L"":(pt->path),
810 L"%%i", pt->size, L"%%i", pt->curpos,
5123bec0 811 (pt->hash == NULL)?L"":unparsehash(pt->hash),
d3372da9 812 NULL);
813}
814
815static void cmd_cancel(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
816{
817 struct transfer *transfer;
818
819 haveargs(2);
820 havepriv(PERM_TRANS);
821 if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL)
822 {
823 sq(sk, 0, L"512", L"No such transfer", NULL);
824 return;
825 }
826 if((transfer->dir == TRNSD_UP) && !(data->userinfo->perms & PERM_TRANSCU))
827 {
828 sq(sk, 0, L"502", L"You are not allowed to cancel uploads", NULL);
829 return;
830 }
831 if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid))
832 {
833 sq(sk, 0, L"502", L"You do not own that transfer", NULL);
834 return;
835 }
836 transfer->close = 1;
837 sq(sk, 0, L"200", L"Transfer cancelled", NULL);
838}
839
840static void cmd_notify(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
841{
842 int i, val;
843
844 if((argc % 2) != 1)
845 {
846 sq(sk, 0, L"501", L"Must have an even number of arguments", NULL);
847 return;
848 }
849 for(i = 1; i < argc; i += 2)
850 {
851 if(!wcscasecmp(argv[i + 1], L"on"))
852 val = 1;
853 else
854 val = 0;
855 if(!wcscasecmp(argv[i], L"all"))
856 {
857 if(val)
858 data->notify.w = ~0;
859 else
860 data->notify.w = 0;
861 } else if(!wcscasecmp(argv[i], L"fn:chat")) {
862 data->notify.b.fnchat = val;
863 } else if(!wcscasecmp(argv[i], L"fn:act")) {
864 data->notify.b.fnact = val;
ba86d49a 865 } else if(!wcscasecmp(argv[i], L"fn:peer")) {
866 data->notify.b.fnpeer = val;
d3372da9 867 } else if(!wcscasecmp(argv[i], L"trans:act")) {
868 data->notify.b.tract = val;
869 } else if(!wcscasecmp(argv[i], L"trans:prog")) {
870 data->notify.b.trprog = val;
871 } else if(!wcscasecmp(argv[i], L"srch:act")) {
872 data->notify.b.srch = val;
5f151349 873 } else if(!wcscasecmp(argv[i], L"msg")) {
874 data->notify.b.msg = val;
d3372da9 875 }
876 }
877 sq(sk, 0, L"200", L"Notification alteration succeeded", NULL);
878}
879
880static void cmd_sendchat(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
881{
882 struct fnetnode *fn;
883 int public;
884
885 haveargs(5);
886 havepriv(PERM_CHAT);
887 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
888 {
889 sq(sk, 0, L"510", L"No such node", NULL);
890 return;
891 }
892 public = wcstol(argv[2], NULL, 0);
893 if((public != 0) && (public != 1))
894 {
895 sq(sk, 0, L"509", L"Second argument must be 0 or 1", NULL);
896 return;
897 }
898 if(fn->state != FNN_EST)
899 {
900 sq(sk, 0, L"513", L"Hub is in state FNN_EST", NULL);
901 return;
902 }
903 if(fnetsendchat(fn, public, argv[3], argv[4]))
904 {
905 if(errno == ENOTSUP)
906 sq(sk, 0, L"513", L"This network does not support chatting", NULL);
907 else if(errno == EPERM)
908 sq(sk, 0, L"502", L"This node does not allow you to chat", NULL);
909 else if(errno == EILSEQ)
910 sq(sk, 0, L"504", L"This network could not support all the characters in that message", NULL);
911 else
912 sq(sk, 0, L"505", L"Could not chat", NULL);
913 return;
914 }
915 sq(sk, 0, L"200", L"Chat string sent", NULL);
916}
917
918static void cmd_search(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
919{
920 struct search *srch;
921 struct fnetnode *fn;
922 struct sexpr *sexpr;
923 int i;
924
925 haveargs(3);
926 havepriv(PERM_SRCH);
927 srch = newsearch(data->username, NULL);
928 for(i = 1; i < argc; i++)
929 {
930 if(!wcscmp(argv[i], L"all"))
931 {
932 for(fn = fnetnodes; fn != NULL; fn = fn->next)
933 {
934 if(fn->state == FNN_EST)
935 searchaddfn(srch, fn);
936 }
937 i++;
938 break;
939 } else if(!wcscmp(argv[i], L"prio")) {
940 if(++i == argc)
941 {
942 sq(sk, 0, L"501", L"No argument to prio", NULL);
943 freesearch(srch);
944 return;
945 }
946 srch->prio = wcstol(argv[i], NULL, 0);
947 } else if(iswdigit(*argv[i])) {
948 if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL)
949 {
950 sq(sk, 0, L"510", L"No such node", NULL);
951 freesearch(srch);
952 return;
953 }
954 searchaddfn(srch, fn);
955 } else {
956 break;
957 }
958 }
959 if(srch->fnl == NULL)
960 {
961 sq(sk, 0, L"501", L"No fnetnodes to search found on line", NULL);
962 freesearch(srch);
963 return;
964 }
965 if(i == argc)
966 {
967 sq(sk, 0, L"501", L"No search expression found on line", NULL);
968 freesearch(srch);
969 return;
970 }
971 if((sexpr = parsesexpr(argc - i, argv + i)) == NULL)
972 {
973 sq(sk, 0, L"509", L"Could not parse search expression", NULL);
974 freesearch(srch);
975 return;
976 }
977 optsexpr(sexpr);
978 getsexpr(srch->sexpr = sexpr);
979 queuesearch(srch);
980 CBREG(srch, search_eta, srcheta, NULL, NULL);
981 CBREG(srch, search_commit, srchcommit, NULL, NULL);
982 CBREG(srch, search_result, srchres, NULL, NULL);
983 sq(sk, 0, L"200", L"%%i", srch->id, L"%%i", srch->eta - time(NULL), NULL);
984 putsexpr(sexpr);
985}
986
987static void cmd_lssrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
988{
989 struct search *srch, *pt;
990 time_t now;
991
992 havepriv(PERM_SRCH);
993 pt = NULL;
994 now = time(NULL);
995 for(srch = searches; srch != NULL; srch = srch->next)
996 {
997 if(!wcscmp(srch->owner, data->username))
998 {
999 if(pt != NULL)
1000 sq(sk, 1, L"200", L"%%i", pt->id, L"%%i", pt->state, L"%%i", pt->eta - now, L"%%i", pt->numres, NULL);
1001 pt = srch;
1002 }
1003 }
1004 if(pt == NULL)
1005 sq(sk, 0, L"201", L"No searches", NULL);
1006 else
1007 sq(sk, 0, L"200", L"%%i", pt->id, L"%%i", pt->state, L"%%i", pt->eta - now, L"%%i", pt->numres, NULL);
1008}
1009
1010static void cmd_lssr(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1011{
1012 struct search *srch;
1013 struct srchres *sr;
1014 wchar_t buf[64];
1015
1016 haveargs(2);
1017 havepriv(PERM_SRCH);
1018 if((srch = findsearch(wcstol(argv[1], NULL, 0))) == NULL)
1019 {
1020 sq(sk, 0, L"514", L"No such search", NULL);
1021 return;
1022 }
1023 if(srch->results == NULL)
1024 {
1025 sq(sk, 0, L"201", L"No results", NULL);
1026 } else {
1027 for(sr = srch->results; sr != NULL; sr = sr->next)
1028 {
1029 swprintf(buf, 64, L"%f", sr->time);
65643d01 1030 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 1031 }
1032 }
1033}
1034
1035static void cmd_cansrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1036{
1037 struct search *srch;
1038 int i;
1039
1040 haveargs(2);
1041 havepriv(PERM_SRCH);
1042 /* Note - Programmatical user interfaces must only give one
1043 * argument per command, the multiple argument form is only for
1044 * convenience when manually controlling the daemon via
1045 * eg. telnet. The reason is that the return codes aren't clear
1046 * enough for the multiple argument form. */
1047 for(i = 1; i < argc; i++)
1048 {
1049 if((srch = findsearch(wcstol(argv[i], NULL, 0))) == NULL)
1050 {
1051 sq(sk, 0, L"514", L"No such search", NULL);
1052 return;
1053 }
1054 freesearch(srch);
1055 }
1056 sq(sk, 0, L"200", L"Search cancelled", NULL);
1057}
1058
5ec60e42 1059static int fcmdread(struct socket *sk, struct uidata *data)
d3372da9 1060{
1061 char *buf;
1062 size_t bufsize;
1063
1064 if((buf = sockgetinbuf(sk, &bufsize)) == NULL)
5ec60e42 1065 return(0);
d3372da9 1066 bufcat(data->fcmdbuf, buf, bufsize);
1067 free(buf);
5ec60e42 1068 return(0);
d3372da9 1069}
1070
5ec60e42 1071static int fcmderr(struct socket *sk, int err, struct uidata *data)
d3372da9 1072{
1073 wchar_t *wbuf, *p, *p2;
1074
1075 if(err)
1076 {
1077 flog(LOG_WARNING, "error occurred on filtercmd pipe socket: %s", strerror(err));
1078 kill(-data->fcmdpid, SIGHUP);
1079 putsock(data->fcmdsk);
1080 data->fcmdsk = NULL;
1081 if(data->fcmdbuf != NULL)
1082 {
1083 free(data->fcmdbuf);
1084 data->fcmdbuf = NULL;
1085 }
1086 data->fcmdbufsize = data->fcmdbufdata = 0;
1087 sq(data->sk, 0, L"505", L"An error occurred on the pipe to the filtercmd", L"%%s", strerror(err), NULL);
5ec60e42 1088 return(0);
d3372da9 1089 }
1090 putsock(data->fcmdsk);
1091 data->fcmdsk = NULL;
1092 data->fcmdpid = 0;
1093 if(data->fcmdbuf == NULL)
1094 {
1095 wbuf = swcsdup(L"");
1096 } else {
1097 addtobuf(data->fcmdbuf, 0);
1098 wbuf = icmbstowcs(data->fcmdbuf, NULL);
1099 free(data->fcmdbuf);
1100 }
1101 data->fcmdbuf = NULL;
1102 data->fcmdbufsize = data->fcmdbufdata = 0;
1103 if(wbuf == NULL)
1104 {
1105 sq(data->sk, 0, L"504", L"Filtercmd sent data which could not be converted from the local charset", NULL);
5ec60e42 1106 return(0);
d3372da9 1107 }
1108 p = wbuf;
1109 for(p2 = wcschr(p, L'\n'); p2 != NULL; p2 = wcschr(p, L'\n'))
1110 {
1111 *(p2++) = L'\0';
1112 sq(data->sk, (*p2 == L'\0')?0:1, L"200", L"%%ls", p, NULL);
1113 p = p2;
1114 }
1115 if(*p == L'\0')
1116 {
1117 if(p == wbuf)
1118 sq(data->sk, 0, L"201", L"No data returned", NULL);
1119 } else {
1120 sq(data->sk, 0, L"200", L"%%ls", p, NULL);
1121 }
1122 free(wbuf);
5ec60e42 1123 return(0);
d3372da9 1124}
1125
1126static void cmd_filtercmd(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1127{
1128 int i;
1129 pid_t pid;
1130 int pipe;
1131 char **cargv, **pp;
1132 char *filtercmd, *argbuf;
1133 size_t cargvsize, cargvdata;
1134 struct passwd *pwent;
1135
1136 haveargs(2);
1137 havepriv(PERM_TRANS);
1138 if((pwent = getpwuid(data->uid)) == NULL)
1139 {
1140 flog(LOG_WARNING, "no passwd entry for UI user %i", data->uid);
1141 sq(sk, 0, L"505", L"System error - Could not fork session", "Internal error", NULL);
1142 return;
1143 }
d0a94602 1144 if((filtercmd = findfile(icswcstombs(confgetstr("ui", "filtercmd"), NULL, NULL), "dcdl-filtercmd", pwent->pw_dir, 0)) == NULL)
d3372da9 1145 {
1146 flog(LOG_WARNING, "could not find filtercmd executable for user %s", pwent->pw_name);
1147 sq(sk, 0, L"505", L"System error - Could not fork session", L"Could not find filtercmd executable", NULL);
1148 return;
1149 }
1150 cargv = NULL;
1151 cargvsize = cargvdata = 0;
1152 addtobuf(cargv, filtercmd);
1153 for(i = 1; i < argc; i++)
1154 {
1155 if((argbuf = icwcstombs(argv[i], NULL)) == NULL)
1156 {
1157 for(i = 0; i < cargvdata; i++)
1158 free(cargv[i]);
1159 free(cargv);
1160 sq(sk, 0, L"504", L"%Could not convert argument %i into local character set", i, L"%%s", strerror(errno), NULL);
1161 return;
1162 }
1163 addtobuf(cargv, argbuf);
1164 }
1165 addtobuf(cargv, NULL);
1166 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)
1167 {
1168 flog(LOG_WARNING, "could not fork session in filtercmd: %s", strerror(errno));
1169 sq(sk, 0, L"505", L"System error - Could not fork session", L"%%s", strerror(errno), NULL);
1170 return;
1171 }
1172 if(pid == 0)
1173 {
1174 execv(filtercmd, cargv);
1175 flog(LOG_WARNING, "could not exec filtercmd %s: %s", filtercmd, strerror(errno));
1176 exit(127);
1177 }
1178 for(pp = cargv; *pp; pp++)
1179 free(*pp);
1180 free(cargv);
1181 data->fcmdsk = wrapsock(pipe);
1182 data->fcmdpid = pid;
1183 if(data->fcmdbuf != NULL)
1184 {
1185 free(data->fcmdbuf);
1186 data->fcmdbuf = NULL;
1187 }
1188 data->fcmdbufsize = data->fcmdbufdata = 0;
f5dbbe62 1189 CBREG(data->fcmdsk, socket_read, (int (*)(struct socket *, void *))fcmdread, NULL, data);
1190 CBREG(data->fcmdsk, socket_err, (int (*)(struct socket *, int, void *))fcmderr, NULL, data);
d3372da9 1191}
1192
1193static void cmd_lstrarg(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1194{
1195 struct transfer *transfer;
9ec790e8 1196 struct wcspair *ta;
d3372da9 1197
1198 haveargs(2);
1199 havepriv(PERM_TRANS);
1200 if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL)
1201 {
1202 sq(sk, 0, L"512", L"No such transfer", NULL);
1203 return;
1204 }
1205 if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid))
1206 {
1207 sq(sk, 0, L"502", L"You do not own that transfer", NULL);
1208 return;
1209 }
1210 if(transfer->args == NULL)
1211 {
1212 sq(sk, 0, L"201", L"Transfer has no arguments", NULL);
1213 } else {
1214 for(ta = transfer->args; ta != NULL; ta = ta->next)
9ec790e8 1215 sq(sk, ta->next != NULL, L"200", L"%%ls", ta->key, L"%%ls", ta->val, NULL);
d3372da9 1216 }
1217}
1218
1219static void cmd_hashstatus(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1220{
1221 struct sharecache *node;
1222 int total, hashed;
1223
1224 total = hashed = 0;
1225 for(node = shareroot->child; node != NULL; node = nextscnode(node))
1226 {
1227 if(node->f.b.type == FILE_REG)
1228 {
1229 total++;
1230 if(node->f.b.hastth)
1231 hashed++;
1232 }
1233 }
1234 sq(sk, 0, L"200", L"%%i", total, L"tth", L"%%i", hashed, NULL);
1235}
1236
796283c6 1237static void cmd_transstatus(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1238{
1239 wchar_t *buf1, *buf2;
1240
1241 havepriv(PERM_TRANS);
1242 buf1 = swprintf2(L"%lli", bytesdownload);
1243 buf2 = swprintf2(L"%lli", bytesupload);
1244 sq(sk, 0, L"200", L"%%ls", buf1, L"%%ls", buf2, NULL);
1245 free(buf1);
1246 free(buf2);
1247}
1248
5f151349 1249static void cmd_register(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1250{
1251 struct uidata *d2;
1252
1253 haveargs(2);
1254 if(data->userinfo == NULL) {
1255 sq(sk, 0, L"502", L"Must be logged in", NULL);
1256 return;
1257 }
1258 if(argv[1][0] == L'#') {
1259 sq(sk, 0, L"509", L"Name must not begin with a hash sign", NULL);
1260 return;
1261 }
1262 for(d2 = actives; d2 != NULL; d2 = d2->next) {
7b2663a4 1263 if((d2 != data) && (d2->userinfo == data->userinfo) && d2->regname && !wcscmp(d2->regname, argv[1])) {
5f151349 1264 sq(sk, 0, L"516", L"Name already in use", NULL);
1265 return;
1266 }
1267 }
1268 if(data->regname != NULL)
1269 free(data->regname);
1270 data->regname = swcsdup(argv[1]);
1271 sq(sk, 0, L"200", L"Registered", NULL);
1272}
1273
1274static void cmd_sendmsg(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1275{
1276 int i, rcptid;
1277 struct uidata *rcpt;
1278 wchar_t *myname;
1279 struct notif *notif;
1280
1281 haveargs(2);
1282 if(data->userinfo == NULL) {
1283 sq(sk, 0, L"502", L"Must be logged in", NULL);
1284 return;
1285 }
1286 if(argv[1][0] == L'#') {
1287 rcptid = wcstol(argv[1] + 1, NULL, 0);
1288 for(rcpt = actives; rcpt != NULL; rcpt = rcpt->next) {
7b2663a4 1289 if((rcpt->userinfo == data->userinfo) && (rcpt->id == rcptid))
5f151349 1290 break;
1291 }
1292 } else {
1293 for(rcpt = actives; rcpt != NULL; rcpt = rcpt->next) {
7b2663a4 1294 if((rcpt->userinfo == data->userinfo) && rcpt->regname && !wcscmp(rcpt->regname, argv[1]))
5f151349 1295 break;
1296 }
1297 }
1298 if(rcpt == NULL) {
1299 sq(sk, 0, L"517", L"No such recipient", NULL);
1300 return;
1301 }
1302 if(!rcpt->notify.b.msg) {
1303 sq(sk, 0, L"518", L"Recipient not listening for messages", NULL);
1304 return;
1305 }
1306 if(data->regname != NULL)
1307 myname = swcsdup(data->regname);
1308 else
1309 myname = swprintf2(L"#%i", data->id);
1310 notif = newnotif(rcpt, 640, NOTIF_STR, myname, NOTIF_END);
1311 for(i = 2; i < argc; i++)
1312 notifappend(notif, NOTIF_STR, argv[i], NOTIF_END);
1313 sq(sk, 0, L"200", L"Message sent", NULL);
1314}
1315
9a64a4f7 1316static void cmd_uptime(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1317{
1318 sq(sk, 0, L"200", L"%%i", time(NULL) - starttime, NULL);
1319}
1320
d3372da9 1321#undef haveargs
1322#undef havepriv
1323
1324/*
1325 * Reserved command numbers for nameless commands:
1326 * 0: Issued when a client has connected
1327 * 1: Issued when a named command couldn't be found
1328 */
1329
1330static struct command commands[] =
1331{
1332 {NULL, cmd_connect},
1333 {NULL, cmd_notfound},
1334 {L"shutdown", cmd_shutdown},
1335 {L"quit", cmd_quit},
1336 {L"lsauth", cmd_lsauth},
1337 {L"login", cmd_login},
1338 {L"pass", cmd_pass},
1339 {L"cnct", cmd_fnetconnect},
1340 {L"lsnodes", cmd_lsnodes},
1341 {L"dcnct", cmd_disconnect},
1342 {L"lspa", cmd_lspa},
1343 {L"lspeers", cmd_lspeers},
1344 {L"download", cmd_download},
1345 {L"lstrans", cmd_lstrans},
1346 {L"cancel", cmd_cancel},
1347 {L"notify", cmd_notify},
1348 {L"sendchat", cmd_sendchat},
1349 {L"search", cmd_search},
1350 {L"lssrch", cmd_lssrch},
1351 {L"lssr", cmd_lssr},
1352 {L"cansrch", cmd_cansrch},
1353 {L"filtercmd", cmd_filtercmd},
1354 {L"lstrarg", cmd_lstrarg},
1355 {L"hashstatus", cmd_hashstatus},
796283c6 1356 {L"transstatus", cmd_transstatus},
5f151349 1357 {L"register", cmd_register},
1358 {L"sendmsg", cmd_sendmsg},
9a64a4f7 1359 {L"uptime", cmd_uptime},
d3372da9 1360 {NULL, NULL}
1361};
1362
1363static void freequeuecmd(struct qcommand *qcmd)
1364{
1365 int i;
1366
1367 if(qcmd->argv != NULL)
1368 {
1369 for(i = 0; i < qcmd->argc; i++)
1370 free(qcmd->argv[i]);
1371 free(qcmd->argv);
1372 }
1373 free(qcmd);
1374}
1375
1376static struct qcommand *unlinkqcmd(struct uidata *data)
1377{
1378 struct qcommand *qcmd;
1379
1380 qcmd = data->queue;
1381 if(qcmd != NULL)
1382 {
1383 data->queue = qcmd->next;
1384 if(qcmd == data->queuelast)
1385 data->queuelast = qcmd->next;
1386 }
1387 return(qcmd);
1388}
1389
ba86d49a 1390static void notifappendv(struct notif *notif, va_list args)
d3372da9 1391{
d3372da9 1392 int dt, ca;
1393
d3372da9 1394 while((dt = va_arg(args, int)) != NOTIF_END)
1395 {
1396 ca = notif->argc;
1397 notif->argv = realloc(notif->argv, sizeof(*notif->argv) * ++notif->argc);
1398 notif->argv[ca].dt = dt;
1399 switch(dt)
1400 {
1401 case NOTIF_INT:
1402 case NOTIF_ID:
1403 notif->argv[ca].d.n = va_arg(args, int);
1404 break;
1405 case NOTIF_STR:
1406 notif->argv[ca].d.s = wcsdup(va_arg(args, wchar_t *));
1407 break;
1408 case NOTIF_FLOAT:
1409 notif->argv[ca].d.d = va_arg(args, double);
1410 break;
1411 }
1412 }
ba86d49a 1413}
1414
1415static void notifappend(struct notif *notif, ...)
1416{
1417 va_list args;
1418
1419 va_start(args, notif);
1420 notifappendv(notif, args);
1421 va_end(args);
1422}
1423
1424static struct notif *newnotif(struct uidata *data, int code, ...)
1425{
1426 struct notif *notif;
1427 va_list args;
1428
1429 notif = smalloc(sizeof(*notif));
1430 memset(notif, 0, sizeof(*notif));
1431 notif->rlimit = 0.0;
1432 notif->ui = data;
1433 notif->code = code;
1434 va_start(args, code);
1435 notifappendv(notif, args);
d3372da9 1436 va_end(args);
1437 notif->next = NULL;
1438 notif->prev = data->lnotif;
1439 if(data->lnotif != NULL)
1440 data->lnotif->next = notif;
1441 else
1442 data->fnotif = notif;
1443 data->lnotif = notif;
1444 return(notif);
1445}
1446
1447static void freenotif(struct notif *notif)
1448{
1449 int i;
1450
1451 if(notif->next != NULL)
1452 notif->next->prev = notif->prev;
1453 if(notif->prev != NULL)
1454 notif->prev->next = notif->next;
1455 if(notif == notif->ui->fnotif)
1456 notif->ui->fnotif = notif->next;
1457 if(notif == notif->ui->lnotif)
1458 notif->ui->lnotif = notif->prev;
1459 if(notif->exptimer != NULL)
1460 canceltimer(notif->exptimer);
1461 for(i = 0; i < notif->argc; i++)
1462 {
1463 if(notif->argv[i].dt == NOTIF_STR)
1464 free(notif->argv[i].d.s);
1465 }
1466 if(notif->argv != NULL)
1467 free(notif->argv);
1468 free(notif);
1469}
1470
1471static void notifexpire(int cancelled, struct notif *notif)
1472{
1473 notif->exptimer = NULL;
1474 if(!cancelled)
1475 freenotif(notif);
1476}
1477
1478static struct notif *findnotif(struct notif *notif, int dir, int state, int code, int id)
1479{
1480 int i, cont;
1481
1482 for(; notif != NULL; notif = (dir?notif->next:notif->prev))
1483 {
1484 if((notif->code == code) && ((state < 0) || (state == notif->state)))
1485 {
1486 cont = 0;
1487 if(id >= 0)
1488 {
1489 for(i = 0; i < notif->argc; i++)
1490 {
1491 if((notif->argv[i].dt == NOTIF_ID) && (notif->argv[i].d.n != id))
1492 {
1493 cont = 1;
1494 break;
1495 }
1496 }
1497 }
1498 if(cont)
1499 continue;
1500 break;
1501 }
1502 }
1503 return(notif);
1504}
1505
1506static void freeuidata(struct uidata *data)
1507{
1508 int i;
1509 struct qcommand *qcmd;
1510
1511 if(data->next != NULL)
1512 data->next->prev = data->prev;
1513 if(data->prev != NULL)
1514 data->prev->next = data->next;
1515 if(data == actives)
1516 actives = data->next;
5ec60e42 1517 CBUNREG(data->sk, socket_read, uiread, data);
1518 CBUNREG(data->sk, socket_err, uierror, data);
d3372da9 1519 putsock(data->sk);
1520 while((qcmd = unlinkqcmd(data)) != NULL)
1521 freequeuecmd(qcmd);
1522 iconv_close(data->ichandle);
1523 if(data->cw != NULL)
1524 free(data->cw);
1525 if(data->cb != NULL)
1526 free(data->cb);
1527 if(data->argv != NULL)
1528 {
1529 for(i = 0; i < data->argc; i++)
1530 free(data->argv[i]);
1531 free(data->argv);
1532 }
1533 if(data->auth != NULL)
1534 authputhandle(data->auth);
5f151349 1535 if(data->regname != NULL)
1536 free(data->regname);
d3372da9 1537 if(data->username != NULL)
1538 {
1539 if(data->userinfo != NULL)
1540 flog(LOG_INFO, "%ls logged out", data->username);
1541 free(data->username);
1542 }
1543 free(data->inbuf);
1544 while(data->fnotif != NULL)
1545 freenotif(data->fnotif);
1546 if(data->fcmdbuf != NULL)
1547 free(data->fcmdbuf);
1548 if(data->fcmdpid != 0)
1549 kill(-data->fcmdpid, SIGHUP);
1550 if(data->fcmdsk != NULL)
1551 putsock(data->fcmdsk);
1552 free(data);
1553}
1554
1555static void queuecmd(struct uidata *data, struct command *cmd, int argc, wchar_t **argv)
1556{
1557 struct qcommand *new;
1558
1559 new = smalloc(sizeof(*new));
1560 new->cmd = cmd;
1561 new->argc = argc;
1562 new->argv = argv;
1563 new->next = NULL;
1564 if(data->queuelast != NULL)
1565 data->queuelast->next = new;
1566 data->queuelast = new;
1567 if(data->queue == NULL)
1568 data->queue = new;
1569}
1570
1571static struct uidata *newuidata(struct socket *sk)
1572{
1573 struct uidata *data;
5f151349 1574 static int curid = 0;
d3372da9 1575
1576 data = smalloc(sizeof(*data));
1577 memset(data, 0, sizeof(*data));
5f151349 1578 data->id = curid++;
d3372da9 1579 data->sk = sk;
1580 getsock(sk);
1581 data->inbuf = smalloc(1024);
1582 data->uid = -1;
1583 if((data->ichandle = iconv_open("wchar_t", "utf-8")) == (iconv_t)-1)
1584 {
1585 flog(LOG_CRIT, "iconv cannot handle UTF-8: %s", strerror(errno));
1586 return(NULL);
1587 }
1588 data->next = actives;
1589 data->prev = NULL;
1590 if(actives != NULL)
1591 actives->prev = data;
1592 actives = data;
1593 return(data);
1594}
1595
5ec60e42 1596static int uiread(struct socket *sk, struct uidata *data)
d3372da9 1597{
1598 int ret, done;
1599 char *newbuf;
1600 char *p1, *p2;
1601 wchar_t *porig;
1602 size_t datalen, len2;
1603 struct command *cur;
1604
1605 if(data->indata > 1024)
1606 data->indata = 0;
1607 if((newbuf = sockgetinbuf(sk, &datalen)) == NULL)
5ec60e42 1608 return(0);
d3372da9 1609 sizebuf(&data->inbuf, &data->inbufsize, data->indata + datalen, 1, 1);
1610 memcpy(data->inbuf + data->indata, newbuf, datalen);
1611 free(newbuf);
1612 data->indata += datalen;
1613 if(data->cb == NULL)
1614 {
1615 data->cb = smalloc(sizeof(wchar_t) * (data->cbsize = 64));
1616 data->cbdata = 0;
1617 data->pp = data->cb;
1618 }
1619 done = 0;
1620 while(!done)
1621 {
1622 if(data->cbsize == data->cbdata)
1623 {
1624 len2 = data->pp - data->cb;
1625 data->cb = srealloc(data->cb, sizeof(wchar_t) * (data->cbsize *= 2));
1626 data->pp = data->cb + len2;
1627 }
1628 p1 = data->inbuf;
1629 p2 = (char *)(porig = (data->cb + data->cbdata));
1630 len2 = sizeof(wchar_t) * (data->cbsize - data->cbdata);
1631 ret = iconv(data->ichandle, &p1, &data->indata, &p2, &len2);
1632 memmove(data->inbuf, p1, data->indata);
1633 /* Just a sanity check */
1634 if(((p2 - ((char *)data->cb)) % sizeof(wchar_t)) != 0)
1635 {
1636 flog(LOG_CRIT, "Aiya! iconv does strange things to our wchar_t's!");
1637 abort();
1638 }
1639 data->cbdata += (((wchar_t *)p2) - porig);
1640 if(ret < 0)
1641 {
1642 switch(errno)
1643 {
1644 case EILSEQ:
1645 /* XXX: Should this really just ignore it? */
1646 data->indata = 0;
1647 done = 1;
1648 break;
1649 case EINVAL:
1650 done = 1;
1651 break;
1652 case E2BIG:
1653 /* Just a sanity check */
1654 if(data->cbsize != data->cbdata)
1655 {
1656 flog(LOG_CRIT, "Aiya! iconv doesn't give us wchar_t's!");
1657 abort();
1658 }
1659 break;
1660 default:
1661 flog(LOG_WARNING, "bug: strange error from iconv in uiread: %s", strerror(errno));
1662 break;
1663 }
1664 } else {
1665 done = 1;
1666 }
1667 }
1668 done = 0;
1669 while(!done && (data->pp - data->cb < data->cbdata))
1670 {
1671 switch(data->ps)
1672 {
1673 case 0:
1674 if(iswspace(*data->pp))
1675 {
1676 if(*data->pp == L'\r')
1677 {
1678 if(data->pp == data->cb + data->cbdata - 1)
1679 {
1680 done = 1;
1681 break;
1682 }
1683 if(*(++data->pp) == L'\n')
1684 {
1685 if((data->argv != NULL) && (data->argv[0] != NULL))
1686 {
1687 for(cur = commands; cur->handler != NULL; cur++)
1688 {
1689 if(cur->name == NULL)
1690 continue;
1691 if(!wcscasecmp(cur->name, data->argv[0]))
1692 {
1693 queuecmd(data, cur, data->argc, data->argv);
1694 break;
1695 }
1696 }
1697 if(cur->handler == NULL)
1698 queuecmd(data, &commands[1], data->argc, data->argv);
1699 } else {
1700 queuecmd(data, &commands[1], data->argc, data->argv);
1701 }
1702 data->argv = NULL;
1703 data->args = 0;
1704 data->argc = 0;
1705 wmemmove(data->cb, data->pp, data->cbdata -= (data->pp - data->cb));
1706 data->pp = data->cb;
1707 } else {
1708 data->pp++;
1709 }
1710 } else {
1711 data->pp++;
1712 }
1713 } else {
1714 data->ps = 1;
1715 data->cwdata = 0;
1716 }
1717 break;
1718 case 1:
1719 if(iswspace(*data->pp))
1720 {
1721 addtobuf(data->cw, L'\0');
1722 sizebuf(&data->argv, &data->args, data->argc + 1, sizeof(*data->argv), 1);
1723 data->argv[data->argc++] = data->cw;
1724 data->cw = NULL;
1725 data->cwsize = 0;
1726 data->cwdata = 0;
1727 data->ps = 0;
1728 } else if(*data->pp == L'\"') {
1729 data->ps = 2;
1730 data->pp++;
1731 } else if(*data->pp == L'\\') {
1732 if(data->pp == data->cb + data->cbdata - 1)
1733 {
1734 done = 1;
1735 break;
1736 }
1737 addtobuf(data->cw, *(++data->pp));
1738 data->pp++;
1739 } else {
1740 addtobuf(data->cw, *(data->pp++));
1741 }
1742 break;
1743 case 2:
1744 if(*data->pp == L'\"')
1745 {
1746 data->ps = 1;
1747 } else if(*data->pp == L'\\') {
1748 if(data->pp == data->cb + data->cbdata - 1)
1749 {
1750 done = 1;
1751 break;
1752 }
1753 addtobuf(data->cw, *(++(data->pp)));
1754 } else {
1755 addtobuf(data->cw, *data->pp);
1756 }
1757 data->pp++;
1758 break;
1759 }
1760 }
5ec60e42 1761 return(0);
d3372da9 1762}
1763
5ec60e42 1764static int uierror(struct socket *sk, int err, struct uidata *data)
d3372da9 1765{
1766 if(err)
1767 flog(LOG_WARNING, "error occurred on UI socket: %s", strerror(err));
1768 freeuidata(data);
5ec60e42 1769 return(0);
d3372da9 1770}
1771
5ec60e42 1772static int uiaccept(struct socket *sk, struct socket *newsk, void *data)
d3372da9 1773{
1774 struct uidata *uidata;
1775
5ec60e42 1776 uidata = newuidata(newsk);
d3372da9 1777 socksettos(newsk, confgetint("ui", "uitos"));
1778 if(uidata == NULL)
5ec60e42 1779 return(0);
f5dbbe62 1780 CBREG(newsk, socket_err, (int (*)(struct socket *, int, void *))uierror, NULL, uidata);
1781 CBREG(newsk, socket_read, (int (*)(struct socket *, void *))uiread, NULL, uidata);
d3372da9 1782 queuecmd(uidata, &commands[0], 0, NULL);
5ec60e42 1783 return(0);
d3372da9 1784}
1785
1786static int srcheta(struct search *srch, void *uudata)
1787{
1788 struct uidata *data;
1789
1790 for(data = actives; data != NULL; data = data->next)
1791 {
1792 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
1793 newnotif(data, 620, NOTIF_ID, srch->id, NOTIF_INT, srch->eta - time(NULL), NOTIF_END);
1794 }
1795 return(0);
1796}
1797
1798static int srchcommit(struct search *srch, void *uudata)
1799{
1800 struct uidata *data;
1801
1802 for(data = actives; data != NULL; data = data->next)
1803 {
1804 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
1805 newnotif(data, 621, NOTIF_ID, srch->id, NOTIF_END);
1806 }
1807 return(0);
1808}
1809
1810static int srchres(struct search *srch, struct srchres *sr, void *uudata)
1811{
1812 struct uidata *data;
1813
1814 for(data = actives; data != NULL; data = data->next)
1815 {
1816 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
ebbc13f3 1817 {
ebbc13f3 1818 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 1819 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 1820 }
d3372da9 1821 }
1822 return(0);
1823}
1824
1825static int recvchat(struct fnetnode *fn, int public, wchar_t *name, wchar_t *peer, wchar_t *string, void *uudata)
1826{
1827 struct uidata *data;
1828
1829 for(data = actives; data != NULL; data = data->next)
1830 {
1831 if(haspriv(data, PERM_CHAT) && data->notify.b.fnchat)
1832 newnotif(data, 600, NOTIF_ID, fn->id, NOTIF_INT, public, NOTIF_STR, name, NOTIF_STR, peer, NOTIF_STR, string, NOTIF_END);
1833 }
1834 return(0);
1835}
1836
1837static int fnactive(struct fnetnode *fn, wchar_t *attrib, void *uudata)
1838{
1839 struct uidata *data;
1840 struct notif *notif;
1841
1842 if(!wcscmp(attrib, L"state"))
1843 {
1844 for(data = actives; data != NULL; data = data->next)
1845 {
1846 if(data->notify.b.fnact)
1847 newnotif(data, 601, NOTIF_ID, fn->id, NOTIF_INT, fn->state, NOTIF_END);
1848 }
1849 } else if(!wcscmp(attrib, L"name")) {
1850 for(data = actives; data != NULL; data = data->next)
1851 {
1852 if(data->notify.b.fnact)
1853 newnotif(data, 602, NOTIF_ID, fn->id, NOTIF_STR, fn->name, NOTIF_END);
1854 }
1855 } else if(!wcscmp(attrib, L"numpeers")) {
1856 for(data = actives; data != NULL; data = data->next)
1857 {
1858 if(data->notify.b.fnact)
1859 {
1860 if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 605, fn->id)) != NULL)
1861 notif->argv[1].d.n = fn->numpeers;
1862 else
ba86d49a 1863 newnotif(data, 605, NOTIF_ID, fn->id, NOTIF_INT, fn->numpeers, NOTIF_END)->rlimit = 0.5;
d3372da9 1864 }
1865 }
1866 }
1867 return(0);
1868}
1869
1870static int fnunlink(struct fnetnode *fn, void *uudata)
1871{
1872 struct uidata *data;
1873
1874 for(data = actives; data != NULL; data = data->next)
1875 {
1876 if(data->notify.b.fnact)
1877 newnotif(data, 603, NOTIF_ID, fn->id, NOTIF_END);
1878 }
1879 return(0);
1880}
1881
ba86d49a 1882static int peernew(struct fnetnode *fn, struct fnetpeer *peer, void *uudata)
1883{
1884 struct uidata *data;
1885
1886 for(data = actives; data != NULL; data = data->next)
1887 {
1888 if(data->notify.b.fnpeer)
1889 newnotif(data, 630, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_STR, peer->nick, NOTIF_END);
1890 }
1891 return(0);
1892}
1893
1894static int peerdel(struct fnetnode *fn, struct fnetpeer *peer, void *uudata)
1895{
1896 struct uidata *data;
1897
1898 for(data = actives; data != NULL; data = data->next)
1899 {
1900 if(data->notify.b.fnpeer)
1901 newnotif(data, 631, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_END);
1902 }
1903 return(0);
1904}
1905
1906static int peerchange(struct fnetnode *fn, struct fnetpeer *peer, struct fnetpeerdi *di, void *uudata)
1907{
1908 struct uidata *data;
1909 struct notif *notif;
1910 wchar_t buf[32];
1911
1912 for(data = actives; data != NULL; data = data->next)
1913 {
1914 if(data->notify.b.fnpeer)
1915 {
1916 for(notif = data->fnotif; notif != NULL; notif = notif->next)
1917 {
1918 if((notif->code == 632) && (notif->state == NOTIF_PEND) && (notif->argv[0].d.n == fn->id) && !wcscmp(notif->argv[1].d.s, peer->id))
1919 break;
1920 }
1921 if(notif == NULL)
1922 notif = newnotif(data, 632, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_STR, peer->nick, NOTIF_END);
1923 notifappend(notif, NOTIF_STR, di->datum->id, NOTIF_INT, di->datum->datatype, NOTIF_END);
1924 switch(di->datum->datatype)
1925 {
1926 case FNPD_INT:
1927 notifappend(notif, NOTIF_INT, di->data.num, NOTIF_END);
1928 break;
1929 case FNPD_STR:
1930 notifappend(notif, NOTIF_STR, di->data.str, NOTIF_END);
1931 break;
1932 case FNPD_LL:
1933 swprintf(buf, sizeof(buf) / sizeof(*buf), L"%lli", di->data.lnum);
1934 notifappend(notif, NOTIF_STR, buf, NOTIF_END);
1935 break;
1936 }
1937 }
1938 }
1939 return(0);
1940}
1941
d3372da9 1942static int newfnetnode(struct fnetnode *fn, void *uudata)
1943{
1944 struct uidata *data;
1945
1946 for(data = actives; data != NULL; data = data->next)
1947 {
1948 if(data->notify.b.fnact)
1949 newnotif(data, 604, NOTIF_ID, fn->id, NOTIF_STR, fn->fnet->name, NOTIF_END);
1950 }
1951 CBREG(fn, fnetnode_ac, fnactive, NULL, NULL);
1952 CBREG(fn, fnetnode_chat, recvchat, NULL, NULL);
1953 CBREG(fn, fnetnode_unlink, fnunlink, NULL, NULL);
ba86d49a 1954 CBREG(fn, fnetpeer_new, peernew, NULL, NULL);
1955 CBREG(fn, fnetpeer_del, peerdel, NULL, NULL);
1956 CBREG(fn, fnetpeer_chdi, peerchange, NULL, NULL);
d3372da9 1957 return(0);
1958}
1959
1960static int transferchattr(struct transfer *transfer, wchar_t *attrib, void *uudata)
1961{
1962 struct uidata *data;
1963
1964 if(!wcscmp(attrib, L"state"))
1965 {
1966 for(data = actives; data != NULL; data = data->next)
1967 {
1968 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1969 newnotif(data, 611, NOTIF_ID, transfer->id, NOTIF_INT, transfer->state, NOTIF_END);
1970 }
1971 } else if(!wcscmp(attrib, L"nick")) {
1972 for(data = actives; data != NULL; data = data->next)
1973 {
1974 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1975 newnotif(data, 612, NOTIF_ID, transfer->id, NOTIF_STR, transfer->peernick, NOTIF_END);
1976 }
1977 } else if(!wcscmp(attrib, L"size")) {
1978 for(data = actives; data != NULL; data = data->next)
1979 {
1980 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1981 newnotif(data, 613, NOTIF_ID, transfer->id, NOTIF_INT, transfer->size, NOTIF_END);
1982 }
1983 } else if(!wcscmp(attrib, L"error")) {
1984 for(data = actives; data != NULL; data = data->next)
1985 {
1986 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1987 newnotif(data, 614, NOTIF_ID, transfer->id, NOTIF_INT, transfer->error, NOTIF_END);
1988 }
1989 } else if(!wcscmp(attrib, L"path")) {
1990 for(data = actives; data != NULL; data = data->next)
1991 {
1992 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1993 newnotif(data, 616, NOTIF_ID, transfer->id, NOTIF_STR, transfer->path, NOTIF_END);
1994 }
a04fc9ff 1995 } else if(!wcscmp(attrib, L"hash")) {
1996 for(data = actives; data != NULL; data = data->next)
1997 {
1998 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
5e13cdca 1999 newnotif(data, 618, NOTIF_ID, transfer->id, NOTIF_STR, (transfer->hash == NULL)?L"":unparsehash(transfer->hash), NOTIF_END);
a04fc9ff 2000 }
d3372da9 2001 }
2002 return(0);
2003}
2004
2005static int transferprog(struct transfer *transfer, void *uudata)
2006{
2007 struct uidata *data;
2008 struct notif *notif;
2009
2010 for(data = actives; data != NULL; data = data->next)
2011 {
2012 if(haspriv(data, PERM_TRANS) && data->notify.b.trprog && ((transfer->owner == 0) || (transfer->owner == data->uid)))
2013 {
2014 if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 615, transfer->id)) != NULL)
2015 notif->argv[1].d.n = transfer->curpos;
2016 else
2017 newnotif(data, 615, NOTIF_ID, transfer->id, NOTIF_INT, transfer->curpos, NOTIF_END)->rlimit = 0.5;
2018 }
2019 }
2020 return(0);
2021}
2022
2023static int transferdestroyed(struct transfer *transfer, void *uudata)
2024{
2025 struct uidata *data;
2026
2027 for(data = actives; data != NULL; data = data->next)
2028 {
2029 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
3d204c2d 2030 newnotif(data, 617, NOTIF_ID, transfer->id, NOTIF_STR, (transfer->exitstatus == NULL)?L"":(transfer->exitstatus), NOTIF_END);
d3372da9 2031 }
2032 return(0);
2033}
2034
2035static int newtransfernotify(struct transfer *transfer, void *uudata)
2036{
2037 struct uidata *data;
2038
2039 for(data = actives; data != NULL; data = data->next)
2040 {
2041 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
2042 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);
2043 }
2044 CBREG(transfer, trans_ac, transferchattr, NULL, NULL);
2045 CBREG(transfer, trans_p, transferprog, NULL, NULL);
2046 CBREG(transfer, trans_destroy, transferdestroyed, NULL, NULL);
2047 return(0);
2048}
2049
2050static struct uiuser *newuser(wchar_t *name, unsigned long perms)
2051{
2052 struct uiuser *new;
2053
2054 new = smalloc(sizeof(*new));
2055 new->used = 0;
2056 new->name = swcsdup(name);
2057 new->perms = perms;
2058 new->delete = 0;
2059 new->next = users;
2060 new->prev = NULL;
2061 if(users != NULL)
2062 users->prev = new;
2063 users = new;
2064 return(new);
2065}
2066
2067static void freeuser(struct uiuser *user)
2068{
2069 if(user->next != NULL)
2070 user->next->prev = user->prev;
2071 if(user->prev != NULL)
2072 user->prev->next = user->next;
2073 if(user == users)
2074 users = user->next;
2075 free(user->name);
2076 free(user);
2077}
2078
2079static int conf_user(int argc, wchar_t **argv)
2080{
2081 int i, perms, permmod;
2082 struct uiuser *user;
2083 wchar_t *p;
2084
2085 if(argc < 3)
2086 {
2087 flog(LOG_WARNING, "not enough arguments given for user command");
2088 return(1);
2089 }
2090 perms = 0;
2091 for(i = 2; i < argc; i++)
2092 {
2093 if(!iswalpha(argv[i][0]))
2094 p = argv[i] + 1;
2095 else
2096 p = argv[i];
2097 if(!wcscmp(p, L"disallow"))
2098 permmod = PERM_DISALLOW;
2099 if(!wcscmp(p, L"admin"))
2100 permmod = PERM_ADMIN;
2101 if(!wcscmp(p, L"fnetctl"))
2102 permmod = PERM_FNETCTL;
2103 if(!wcscmp(p, L"trans"))
2104 permmod = PERM_TRANS;
2105 if(!wcscmp(p, L"transcu"))
2106 permmod = PERM_TRANSCU;
2107 if(!wcscmp(p, L"chat"))
2108 permmod = PERM_CHAT;
2109 if(!wcscmp(p, L"srch"))
2110 permmod = PERM_SRCH;
2111 if(!wcscmp(p, L"all"))
2112 permmod = ~0;
2113 if(argv[i][0] == L'-')
2114 perms &= ~permmod;
2115 else
2116 perms |= permmod;
2117 }
2118 if((user = finduser(argv[1])) == NULL)
2119 {
2120 newuser(argv[1], perms);
2121 } else {
2122 user->delete = 0;
2123 user->perms = perms;
2124 }
2125 return(0);
2126}
2127
2128static void preinit(int hup)
2129{
2130 struct uiuser *user;
2131
2132 if(!hup)
2133 {
2134 newuser(L"default", 0);
2135 } else {
2136 for(user = users; user != NULL; user = user->next)
2137 {
2138 if(!wcscmp(user->name, L"default"))
2139 user->delete = 1;
2140 }
2141 }
2142}
2143
d3372da9 2144static int portupdate(struct configvar *var, void *uudata)
2145{
d3372da9 2146 struct socket *newsock;
2147
0a1bc5b1 2148 if((uisocket = netcstcplisten(var->val.num, 1, uiaccept, NULL)) == NULL)
d3372da9 2149 {
2150 flog(LOG_WARNING, "could not create new UI socket, reverting to old: %s", strerror(errno));
2151 return(0);
2152 }
2153 if(uisocket != NULL)
2154 putsock(uisocket);
2155 uisocket = newsock;
2156 return(0);
2157}
2158
2159static int init(int hup)
2160{
d3372da9 2161 struct uiuser *user, *next;
2162
2163 if(hup)
2164 {
2165 for(user = users; user != NULL; user = next)
2166 {
2167 next = user->next;
2168 if(user->delete)
2169 freeuser(user);
2170 }
2171 }
2172 if(!hup)
2173 {
9a64a4f7 2174 starttime = time(NULL);
d3372da9 2175 if(uisocket != NULL)
2176 putsock(uisocket);
0a1bc5b1 2177 if((uisocket = netcstcplisten(confgetint("ui", "port"), 1, uiaccept, NULL)) == NULL)
d3372da9 2178 {
2179 flog(LOG_CRIT, "could not create UI socket: %s", strerror(errno));
2180 return(1);
2181 }
2182 CBREG(confgetvar("ui", "port"), conf_update, portupdate, NULL, NULL);
2183 GCBREG(newfncb, newfnetnode, NULL);
2184 GCBREG(newtransfercb, newtransfernotify, NULL);
2185 }
2186 return(0);
2187}
2188
2189static int run(void)
2190{
2191 int i, id;
2192 struct uidata *data, *next;
2193 struct qcommand *qcmd;
2194 struct notif *notif, *nnotif;
2195 wchar_t buf[64];
2196
2197 for(data = actives; data != NULL; data = next)
2198 {
2199 next = data->next;
2200 if(data->close)
2201 freeuidata(data);
2202 }
2203 for(data = actives; data != NULL; data = data->next)
2204 {
2205 for(notif = data->fnotif; notif != NULL; notif = nnotif)
2206 {
2207 nnotif = notif->next;
2208 if(notif->state == NOTIF_WAIT)
2209 continue;
2210 id = -1;
2211 for(i = 0; i < notif->argc; i++)
2212 {
2213 if(notif->argv[i].dt == NOTIF_ID)
2214 {
2215 id = notif->argv[i].d.n;
2216 break;
2217 }
2218 }
2219 if(findnotif(notif->prev, 0, -1, notif->code, id) != NULL)
2220 continue;
2221 sq(data->sk, 2, L"%%i", notif->code, NULL);
2222 for(i = 0; i < notif->argc; i++)
2223 {
2224 switch(notif->argv[i].dt)
2225 {
2226 case NOTIF_INT:
2227 case NOTIF_ID:
2228 sq(data->sk, 2, L"%%i", notif->argv[i].d.n, NULL);
2229 break;
2230 case NOTIF_STR:
2231 if(notif->argv[i].d.s[0] == L'%')
2232 sq(data->sk, 2, L"%%s", notif->argv[i].d.s, NULL);
2233 else
2234 sq(data->sk, 2, notif->argv[i].d.s, NULL);
2235 break;
2236 case NOTIF_FLOAT:
2237 swprintf(buf, 64, L"%f", notif->argv[i].d.d);
2238 sq(data->sk, 2, buf, NULL);
2239 break;
2240 }
2241 }
2242 sq(data->sk, 0, NULL);
2243 if(notif->rlimit != 0)
2244 {
2245 notif->state = NOTIF_WAIT;
2246 notif->exptimer = timercallback(ntime() + notif->rlimit, (void (*)(int, void *))notifexpire, notif);
2247 } else {
2248 freenotif(notif);
2249 }
2250 }
2251 if((qcmd = unlinkqcmd(data)) != NULL)
2252 {
2253 qcmd->cmd->handler(data->sk, data, qcmd->argc, qcmd->argv);
2254 freequeuecmd(qcmd);
2255 return(1);
2256 }
2257 }
2258 return(0);
2259}
2260
2261static void terminate(void)
2262{
2263 while(users != NULL)
2264 freeuser(users);
2265}
2266
2267static struct configvar myvars[] =
2268{
2269 {CONF_VAR_BOOL, "onlylocal", {.num = 1}},
2270 {CONF_VAR_INT, "port", {.num = 1500}},
2271 {CONF_VAR_INT, "uitos", {.num = SOCK_TOS_MINDELAY}},
2272 {CONF_VAR_STRING, "filtercmd", {.str = L"dc-filtercmd"}},
2273 {CONF_VAR_END}
2274};
2275
2276static struct configcmd mycmds[] =
2277{
2278 {"user", conf_user},
2279 {NULL}
2280};
2281
2282static struct module me =
2283{
2284 .name = "ui",
2285 .conf =
2286 {
2287 .vars = myvars,
2288 .cmds = mycmds
2289 },
2290 .preinit = preinit,
2291 .init = init,
2292 .run = run,
2293 .terminate = terminate
2294};
2295
2296MODULE(me)
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