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Fix sig(...): "...,..." bug.
[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>
d3372da9 22#include <sys/socket.h>
23#include <netinet/in.h>
24#include <netinet/ip6.h>
504ba854 25#include <arpa/inet.h>
ddb933f1 26#include <sys/un.h>
d3372da9 27#include <errno.h>
28#include <string.h>
29#include <stdarg.h>
30#include <wchar.h>
31#include <wctype.h>
32#include <iconv.h>
33#include <pwd.h>
34#include <time.h>
35#include <fcntl.h>
36#include <signal.h>
37
38#ifdef HAVE_CONFIG_H
39#include <config.h>
40#endif
41#include "conf.h"
42#include "auth.h"
43#include "utils.h"
44#include "net.h"
45#include "module.h"
46#include "sysevents.h"
47#include "filenet.h"
48#include "transfer.h"
49#include "search.h"
50#include "client.h"
51
52#define PERM_DISALLOW 1
53#define PERM_ADMIN 2
54#define PERM_FNETCTL 4
55#define PERM_TRANS 8
56#define PERM_TRANSCU 16
57#define PERM_CHAT 32
58#define PERM_SRCH 64
59
60#define NOTIF_END 0
61#define NOTIF_INT 1
62#define NOTIF_STR 2
63#define NOTIF_FLOAT 3
64#define NOTIF_ID 4
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;
ddb933f1 170struct socket *tcpsocket = NULL;
171struct socket *unixsocket = NULL;
9a64a4f7 172static time_t starttime;
d3372da9 173
174static wchar_t *quoteword(wchar_t *word)
175{
176 wchar_t *wp, *buf, *bp;
177 int dq, numbs, numc;
178
179 dq = 0;
180 numbs = 0;
181 numc = 0;
182 if(*word == L'\0')
183 {
184 dq = 1;
185 } else {
186 for(wp = word; *wp != L'\0'; wp++)
187 {
188 if(!dq && iswspace(*wp))
189 dq = 1;
190 if((*wp == L'\\') || (*wp == L'\"'))
191 numbs++;
192 numc++;
193 }
194 }
195 if(!dq && !numbs)
196 return(NULL);
197 bp = buf = smalloc(sizeof(wchar_t) * (numc + numbs + (dq?2:0) + 1));
198 if(dq)
199 *(bp++) = L'\"';
200 for(wp = word; *wp != L'\0'; wp++)
201 {
202 if((*wp == L'\\') || (*wp == L'\"'))
203 *(bp++) = L'\\';
204 *(bp++) = *wp;
205 }
206 if(dq)
207 *(bp++) = L'\"';
208 *(bp++) = L'\0';
209 return(buf);
210}
211
212static void sq(struct socket *sk, int cont, ...)
213{
214 int num, freepart;
215 va_list al;
f7292a8b 216 char *final, *sarg;
d3372da9 217 wchar_t *buf;
218 wchar_t *part, *tpart;
219 size_t bufsize, bufdata;
220
221 buf = NULL;
222 bufsize = bufdata = 0;
223 num = 0;
224 va_start(al, cont);
225 while((part = va_arg(al, wchar_t *)) != NULL)
226 {
f7292a8b 227 freepart = 0;
d3372da9 228 if(*part == L'%')
229 {
f7292a8b 230 tpart = part + 1;
231 if(!wcscmp(tpart, L"i"))
d3372da9 232 {
f7292a8b 233 freepart = 1;
234 part = swprintf2(L"%i", va_arg(al, int));
235 } else if(!wcscmp(tpart, L"s")) {
236 freepart = 1;
237 part = icmbstowcs(sarg = va_arg(al, char *), NULL);
238 if(part == NULL)
d3372da9 239 {
f7292a8b 240 freepart = 0;
241 part = L"ERROR";
242 flog(LOG_ERR, "could not convert local string to wcs: %s", sarg);
d3372da9 243 }
f7292a8b 244 } else if(!wcscmp(tpart, L"ls")) {
245 part = va_arg(al, wchar_t *);
246 } else if(!wcscmp(tpart, L"ll")) {
247 freepart = 1;
248 part = swprintf2(L"%lli", va_arg(al, long long));
249 } else if(!wcscmp(tpart, L"f")) {
250 freepart = 1;
251 part = swprintf2(L"%f", va_arg(al, double));
252 } else if(!wcscmp(tpart, L"x")) {
253 freepart = 1;
254 part = swprintf2(L"%x", va_arg(al, int));
255 } else {
256 flog(LOG_CRIT, "BUG: unknown type code in sq: %ls", tpart);
257 abort();
d3372da9 258 }
d3372da9 259 }
260 if((tpart = quoteword(part)) != NULL)
261 {
262 if(freepart)
263 free(part);
264 part = tpart;
265 freepart = 1;
266 }
267 if((num > 1) || ((num == 1) && !(cont & 1)))
268 addtobuf(buf, L' ');
269 bufcat(buf, part, wcslen(part));
270 if((num == 0) && (cont & 1))
271 addtobuf(buf, L'-');
272 num++;
273 if(freepart)
274 free(part);
275 }
276 if(cont & 2)
277 bufcat(buf, L" \0", 2);
278 else
279 bufcat(buf, L"\r\n\0", 3);
280 if((final = icwcstombs(buf, "utf-8")) == NULL)
281 {
282 flog(LOG_CRIT, "could not convert \"%ls\" into utf-8: %s", buf, strerror(errno));
283 free(buf);
284 return;
285 }
286 va_end(al);
287 free(buf);
288 sockqueue(sk, final, strlen(final));
289 free(final);
290}
291
292struct uiuser *finduser(wchar_t *name)
293{
294 struct uiuser *user;
295
296 for(user = users; user != NULL; user = user->next)
297 {
298 if(!wcscmp(user->name, name))
299 break;
300 }
301 return(user);
302}
303
304static void logout(struct uidata *data)
305{
306 data->userinfo = NULL;
307 if(data->username != NULL)
308 free(data->username);
309 data->username = NULL;
310 if(data->auth != NULL)
311 authputhandle(data->auth);
312 data->auth = NULL;
313}
314
315static int haspriv(struct uidata *data, int perm)
316{
317 if(data->userinfo == NULL)
318 return(0);
319 if(data->userinfo->perms & perm)
320 return(1);
321 else
322 return(0);
323}
324
325/* Useful macros for the command functions: */
326#define haveargs(n) do { if(argc < n) { sq(sk, 0, L"501", L"Wrong number of arguments", NULL); return; } } while(0)
f7292a8b 327#define havepriv(p) do { if((data->userinfo == NULL) || ((data->userinfo->perms & (p)) != (p))) { sq(sk, 0, L"502", L"Unauthorized request", L"needed", L"%x", (p), L"had", L"%x", data->userinfo->perms, NULL); return; } } while(0)
d3372da9 328
329static void cmd_connect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
330{
331 int valid;
504ba854 332 struct in6_addr mv4lo;
d3372da9 333
334 if(confgetint("ui", "onlylocal"))
335 {
336 switch(sk->remote->sa_family)
337 {
338 case AF_INET:
339 valid = ((struct sockaddr_in *)sk->remote)->sin_addr.s_addr == INADDR_LOOPBACK;
340 break;
341 case AF_INET6:
504ba854 342 inet_pton(AF_INET6, "::ffff:127.0.0.1", &mv4lo);
343 valid = 0;
344 if(!memcmp(&((struct sockaddr_in6 *)sk->remote)->sin6_addr, &in6addr_loopback, sizeof(in6addr_loopback)))
345 valid = 1;
346 if(!memcmp(&((struct sockaddr_in6 *)sk->remote)->sin6_addr, &mv4lo, sizeof(in6addr_loopback)))
347 valid = 1;
d3372da9 348 break;
ddb933f1 349 case AF_UNIX:
350 valid = 1;
351 break;
d3372da9 352 default:
353 valid = 0;
354 break;
355 }
356 if(!valid)
357 {
358 sq(sk, 0, L"502", L"Only localhost connections allowed to this host", NULL);
359 sk->close = 1;
360 data->close = 1;
361 return;
362 }
363 }
f7292a8b 364 sq(sk, 0, L"201", L"1", L"1", L"Dolda Connect daemon v" VERSION, NULL);
d3372da9 365}
366
367static void cmd_notfound(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
368{
369 if((argv != NULL) && (argv[0] != NULL))
f7292a8b 370 sq(sk, 0, L"500", L"Command not found", NULL);
d3372da9 371 else
372 sq(sk, 0, L"500", L"No command", NULL);
373}
374
375static void cmd_shutdown(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
376{
377 extern volatile int running;
378
379 havepriv(PERM_ADMIN);
380 flog(LOG_NOTICE, "UI shutdown request from %ls, shutting down", data->username);
381 running = 0;
382 sq(sk, 0, L"200", L"Daemon shutting down", NULL);
383}
384
385static void cmd_quit(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
386{
387 sq(sk, 0, L"200", L"Closing connection", NULL);
388 data->close = 1;
389}
390
391static void cmd_lsauth(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
392{
393 struct authmech *mech, *prev;
394
395 prev = NULL;
396 for(mech = mechs; mech != NULL; mech = mech->next)
397 {
3616b334 398 if(mech->enabled && authavailable(mech, sk))
d3372da9 399 {
400 if(prev != NULL)
401 sq(sk, 1, L"200", prev->name, NULL);
402 prev = mech;
403 }
404 }
405 if(prev == NULL)
406 sq(sk, 0, L"201", L"No authentication methods supported", NULL);
407 else
408 sq(sk, 0, L"200", prev->name, NULL);
409}
410
411static void cmd_login(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
412{
413 char *buf;
414 int code;
415 struct passwd *pwd;
416
417 haveargs(3);
418 if(data->username != NULL)
419 {
420 if(data->userinfo != NULL)
421 sq(sk, 0, L"503", L"Already logged in", NULL);
422 else
423 sq(sk, 0, L"503", L"Already logging in", NULL);
424 return;
425 }
426 if((buf = icwcstombs(argv[2], NULL)) == NULL)
427 {
428 sq(sk, 0, L"504", L"Could not convert username to locale charset", NULL);
429 return;
430 }
431 data->username = swcsdup(argv[2]);
432 if((pwd = getpwnam(buf)) == NULL)
433 data->uid = -1;
434 else
435 data->uid = pwd->pw_uid;
436 if((data->auth = initauth(argv[1], buf)) == NULL)
437 {
438 if(errno == ENOENT)
439 sq(sk, 0, L"508", L"No such authentication mechanism", NULL);
440 else
f7292a8b 441 sq(sk, 0, L"505", L"Could not initialize authentication system", L"%s", strerror(errno), NULL);
d3372da9 442 free(buf);
443 logout(data);
444 return;
445 }
446 free(buf);
3616b334 447 switch(authenticate(data->auth, sk, NULL))
d3372da9 448 {
449 case AUTH_SUCCESS:
450 data->userinfo = finduser(data->username);
451 if(data->userinfo == NULL)
452 data->userinfo = finduser(L"default");
453 if(data->uid == -1)
454 {
455 sq(sk, 0, L"506", L"Authentication error", NULL);
6c9eee05 456 flog(LOG_INFO, "user %ls authenticated successfully from %s, but no account existed", data->username, formataddress(sk->remote, sk->remotelen));
d3372da9 457 logout(data);
458 } else if((data->userinfo == NULL) || (data->userinfo->perms & PERM_DISALLOW)) {
459 sq(sk, 0, L"506", L"Authentication error", NULL);
6c9eee05 460 flog(LOG_INFO, "user %ls authenticated successfully from %s, but was not authorized", data->username, formataddress(sk->remote, sk->remotelen));
d3372da9 461 logout(data);
462 } else {
463 sq(sk, 0, L"200", L"Welcome", NULL);
6c9eee05 464 flog(LOG_INFO, "%ls (UID %i) logged in from %s", data->username, data->uid, formataddress(sk->remote, sk->remotelen));
d3372da9 465 }
466 break;
467 case AUTH_DENIED:
f7292a8b 468 sq(sk, 0, L"506", L"Authentication error", L"%ls", (data->auth->text == NULL)?L"":(data->auth->text), NULL);
6c9eee05 469 flog(LOG_INFO, "authentication failed for %ls from %s", data->username, formataddress(sk->remote, sk->remotelen));
d3372da9 470 logout(data);
471 break;
472 case AUTH_PASS:
473 switch(data->auth->prompt)
474 {
475 case AUTH_PR_AUTO:
476 code = 300;
477 break;
478 case AUTH_PR_NOECHO:
479 code = 301;
480 break;
481 case AUTH_PR_ECHO:
482 code = 302;
483 break;
484 case AUTH_PR_INFO:
485 code = 303;
486 break;
487 case AUTH_PR_ERROR:
488 code = 304;
489 break;
490 }
f7292a8b 491 sq(sk, 0, L"%i", code, data->auth->text, NULL);
d3372da9 492 break;
493 case AUTH_ERR:
f7292a8b 494 sq(sk, 0, L"505", L"System error", L"%s", strerror(errno), NULL);
d3372da9 495 logout(data);
496 break;
497 default:
498 flog(LOG_WARNING, "BUG? Non-caught return from authenticate in cmd_login");
f7292a8b 499 sq(sk, 0, L"505", L"System error", L"%s", strerror(errno), NULL);
d3372da9 500 logout(data);
501 break;
502 }
503}
504
505static void cmd_pass(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
506{
507 char *buf;
508 int code;
509
510 haveargs(2);
511 if((buf = icwcstombs(argv[1], NULL)) == NULL)
512 {
513 sq(sk, 0, L"504", L"Could not convert data to locale charset", NULL);
514 return;
515 }
516 if((data->auth == NULL) || (data->userinfo != NULL))
517 {
518 sq(sk, 0, L"507", L"Data not expected", NULL);
519 return;
520 }
3616b334 521 switch(authenticate(data->auth, sk, buf))
d3372da9 522 {
523 case AUTH_SUCCESS:
524 data->userinfo = finduser(data->username);
525 if(data->userinfo == NULL)
526 data->userinfo = finduser(L"default");
527 if(data->uid == -1)
528 {
529 sq(sk, 0, L"506", L"Authentication error", NULL);
6c9eee05 530 flog(LOG_INFO, "user %ls authenticated successfully from %s, but no account existed", data->username, formataddress(sk->remote, sk->remotelen));
d3372da9 531 logout(data);
532 } else if((data->userinfo == NULL) || (data->userinfo->perms & PERM_DISALLOW)) {
533 sq(sk, 0, L"506", L"Authentication error", NULL);
6c9eee05 534 flog(LOG_INFO, "user %ls authenticated successfully from %s, but was not authorized", data->username, formataddress(sk->remote, sk->remotelen));
d3372da9 535 logout(data);
536 } else {
537 sq(sk, 0, L"200", L"Welcome", NULL);
6c9eee05 538 flog(LOG_INFO, "%ls (UID %i) logged in from %s", data->username, data->uid, formataddress(sk->remote, sk->remotelen));
d3372da9 539 }
540 break;
541 case AUTH_DENIED:
f7292a8b 542 sq(sk, 0, L"506", L"Authentication error", L"%ls", (data->auth->text == NULL)?L"":(data->auth->text), NULL);
6c9eee05 543 flog(LOG_INFO, "authentication failed for %ls from %s", data->username, formataddress(sk->remote, sk->remotelen));
d3372da9 544 logout(data);
545 break;
546 case AUTH_PASS:
547 switch(data->auth->prompt)
548 {
549 case AUTH_PR_AUTO:
550 code = 300;
551 break;
552 case AUTH_PR_NOECHO:
553 code = 301;
554 break;
555 case AUTH_PR_ECHO:
556 code = 302;
557 break;
558 case AUTH_PR_INFO:
559 code = 303;
560 break;
561 case AUTH_PR_ERROR:
562 code = 304;
563 break;
564 }
f7292a8b 565 sq(sk, 0, L"%i", code, data->auth->text, NULL);
d3372da9 566 break;
567 case AUTH_ERR:
f7292a8b 568 sq(sk, 0, L"505", L"System error", L"%s", strerror(errno), NULL);
d3372da9 569 logout(data);
570 break;
571 default:
572 flog(LOG_WARNING, "BUG? Non-caught return from authenticate in cmd_pass");
f7292a8b 573 sq(sk, 0, L"505", L"System error", L"%s", strerror(errno), NULL);
d3372da9 574 logout(data);
575 break;
576 }
577 free(buf);
578}
579
580static void cmd_fnetconnect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
581{
582 int i;
583 char *buf;
584 int err;
585 struct fnetnode *fn;
efc05613 586 struct wcspair *args;
d3372da9 587
588 haveargs(3);
589 havepriv(PERM_FNETCTL);
dd31fcfa 590 for(i = 0, fn = fnetnodes; fn != NULL; i++, fn = fn->next);
591 if((confgetint("fnet", "maxnodes") > 0) && (i >= confgetint("fnet", "maxnodes"))) {
592 sq(sk, 0, L"515", L"Too many fnetnodes connected already", NULL);
593 return;
594 }
d3372da9 595 if((buf = icwcstombs(argv[2], NULL)) == NULL)
596 {
597 sq(sk, 0, L"504", L"Could not convert data to locale charset", NULL);
598 return;
599 }
efc05613 600 args = NULL;
601 for(i = 3; i < argc - 1; i += 2)
602 newwcspair(argv[i], argv[i + 1], &args);
a3a4a3a7 603 fn = fnetinitconnect(argv[1], data->userinfo->name, buf, args);
d3372da9 604 err = errno;
605 free(buf);
606 if(fn == NULL)
607 {
608 if(errno == EPROTONOSUPPORT)
609 sq(sk, 0, L"511", L"No such network name", NULL);
610 else
f7292a8b 611 sq(sk, 0, L"509", L"Could not parse the address", L"%s", strerror(err), NULL);
d3372da9 612 return;
613 }
d3372da9 614 linkfnetnode(fn);
615 fnetsetname(fn, argv[2]);
f7292a8b 616 sq(sk, 0, L"200", L"%i", fn->id, L"Connection under way", NULL);
d3372da9 617 putfnetnode(fn);
d3372da9 618}
619
620static void cmd_lsnodes(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
621{
622 struct fnetnode *fn;
623
624 if(fnetnodes == NULL)
625 {
626 sq(sk, 0, L"201", L"No connected nodes", NULL);
627 return;
628 }
629 for(fn = fnetnodes; fn != NULL; fn = fn->next)
630 {
f7292a8b 631 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 632 }
633}
634
635static void cmd_disconnect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
636{
637 struct fnetnode *fn;
638 int i;
639
640 haveargs(2);
641 havepriv(PERM_FNETCTL);
642 /* Note - Programmatical user interfaces must only give one
643 * argument per command, the multiple argument form is only for
644 * convenience when manually controlling the daemon via
645 * eg. telnet. The reason is that the return codes aren't clear
646 * enough for the multiple argument form. */
647 for(i = 1; i < argc; i++)
648 {
649 if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL)
650 {
651 sq(sk, 0, L"510", L"No such node", NULL);
652 return;
653 }
18603153 654 if(wpfind(fn->args, L"locked") && !((data->userinfo->perms & PERM_ADMIN) || !wcscmp(data->userinfo->name, fn->owner)))
655 {
656 sq(sk, 0, L"502", L"This node is locked and you are neither administrator nor its owner", NULL);
657 return;
658 }
d3372da9 659 killfnetnode(fn);
660 unlinkfnetnode(fn);
661 }
662 sq(sk, 0, L"200", L"Node flagged for disconnection", NULL);
663}
664
665static void cmd_lspa(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
666{
667 struct fnetnode *fn;
668 struct fnetpeerdatum *datum;
669
670 haveargs(2);
671 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
672 {
673 sq(sk, 0, L"510", L"No such node", NULL);
674 return;
675 }
676 if(fn->peerdata == NULL)
677 {
678 sq(sk, 0, L"201", L"No data available", NULL);
679 } else {
680 for(datum = fn->peerdata; datum != NULL; datum = datum->next)
f7292a8b 681 sq(sk, (datum->next != NULL)?1:0, L"200", datum->id, L"%i", datum->datatype, NULL);
d3372da9 682 }
683}
684
685static void cmd_lspeers(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
686{
687 int i;
688 struct fnetnode *fn;
689 struct fnetpeer *peer;
d3372da9 690
691 haveargs(2);
692 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
693 {
694 sq(sk, 0, L"510", L"No such node", NULL);
695 return;
696 }
697 if(fn->peers == NULL)
698 {
699 sq(sk, 0, L"201", L"No peers avaiable", NULL);
700 } else {
701 for(peer = fn->peers; peer != NULL; peer = peer->next)
702 {
f7292a8b 703 sq(sk, 2 | ((peer->next != NULL)?1:0), L"200", L"%ls", peer->id, L"%ls", peer->nick, NULL);
d3372da9 704 for(i = 0; i < peer->dinum; i++)
705 {
706 if(peer->peerdi[i].datum->datatype == FNPD_INT)
f7292a8b 707 sq(sk, 2, peer->peerdi[i].datum->id, L"%i", peer->peerdi[i].data.num, NULL);
d3372da9 708 if(peer->peerdi[i].datum->datatype == FNPD_LL)
f7292a8b 709 sq(sk, 2, peer->peerdi[i].datum->id, L"%ll", peer->peerdi[i].data.lnum, NULL);
d3372da9 710 if((peer->peerdi[i].datum->datatype == FNPD_STR) && (peer->peerdi[i].data.str != NULL))
f7292a8b 711 sq(sk, 2, peer->peerdi[i].datum->id, L"%ls", peer->peerdi[i].data.str, NULL);
d3372da9 712 }
713 sq(sk, 0, NULL);
714 }
715 }
716}
717
718static void cmd_download(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
719{
720 int i;
721 struct fnet *net;
722 struct fnetnode *fn;
723 struct transfer *transfer;
724 struct fnetpeer *peer;
725
726 haveargs(4);
727 if((argc > 5) && ((argc % 2) == 0))
728 {
729 sq(sk, 0, L"501", L"Must have an even number of arguments", NULL);
730 return;
731 }
732 havepriv(PERM_TRANS);
733 if((*(argv[1]) >= L'0') && (*(argv[1]) <= L'9'))
734 {
735 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
736 {
737 sq(sk, 0, L"510", L"No such node", NULL);
738 return;
739 }
740 net = fn->fnet;
741 } else {
742 fn = NULL;
743 if((net = findfnet(argv[1])) == NULL)
744 {
745 sq(sk, 0, L"511", L"No such network name", NULL);
746 return;
747 }
748 }
749 transfer = newtransfer();
750 authgethandle(transfer->auth = data->auth);
751 transfer->fnet = net;
752 transfer->peerid = swcsdup(argv[2]);
753 transfer->path = swcsdup(argv[3]);
754 transfer->dir = TRNSD_DOWN;
755 transfer->owner = data->uid;
756 if(fn != NULL)
757 {
758 transfer->fn = fn;
759 getfnetnode(fn);
760 linktransfer(transfer);
761 if(((peer = fnetfindpeer(fn, transfer->peerid)) != NULL) && (peer->nick != NULL))
762 transfersetnick(transfer, peer->nick);
763 } else {
764 linktransfer(transfer);
765 }
766 if(argc > 4)
767 transfersetsize(transfer, wcstol(argv[4], NULL, 0));
768 if(argc > 5)
769 {
770 for(i = 5; i < argc; i += 2)
5123bec0 771 {
772 if(!wcscmp(argv[i], L"hash"))
773 {
a04fc9ff 774 transfersethash(transfer, parsehash(argv[i + 1]));
5123bec0 775 } else {
9ec790e8 776 newwcspair(argv[i], argv[i + 1], &transfer->args);
5123bec0 777 }
778 }
d3372da9 779 }
f7292a8b 780 sq(sk, 0, L"200", L"%i", transfer->id, L"Download queued", NULL);
d3372da9 781 transfersetactivity(transfer, L"create");
782}
783
784static void cmd_lstrans(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
785{
786 struct transfer *transfer, *pt;
787
788 havepriv(PERM_TRANS);
789 pt = NULL;
790 for(transfer = transfers; transfer != NULL; transfer = transfer->next)
791 {
792 if((transfer->dir != TRNSD_DOWN) || (transfer->owner == data->uid))
793 {
794 if(pt != NULL)
f7292a8b 795 sq(sk, 1, L"200", L"%i", pt->id, L"%i", pt->dir,
796 L"%i", pt->state, pt->peerid,
d3372da9 797 (pt->peernick == NULL)?L"":(pt->peernick),
798 (pt->path == NULL)?L"":(pt->path),
f7292a8b 799 L"%i", pt->size, L"%i", pt->curpos,
5123bec0 800 (pt->hash == NULL)?L"":unparsehash(pt->hash),
d3372da9 801 NULL);
802 pt = transfer;
803 }
804 }
805 if(pt == NULL)
806 sq(sk, 0, L"201", L"No transfers", NULL);
807 else
f7292a8b 808 sq(sk, 0, L"200", L"%i", pt->id, L"%i", pt->dir,
809 L"%i", pt->state, pt->peerid,
d3372da9 810 (pt->peernick == NULL)?L"":(pt->peernick),
811 (pt->path == NULL)?L"":(pt->path),
f7292a8b 812 L"%i", pt->size, L"%i", pt->curpos,
5123bec0 813 (pt->hash == NULL)?L"":unparsehash(pt->hash),
d3372da9 814 NULL);
815}
816
817static void cmd_cancel(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
818{
819 struct transfer *transfer;
820
821 haveargs(2);
822 havepriv(PERM_TRANS);
823 if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL)
824 {
825 sq(sk, 0, L"512", L"No such transfer", NULL);
826 return;
827 }
828 if((transfer->dir == TRNSD_UP) && !(data->userinfo->perms & PERM_TRANSCU))
829 {
830 sq(sk, 0, L"502", L"You are not allowed to cancel uploads", NULL);
831 return;
832 }
833 if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid))
834 {
835 sq(sk, 0, L"502", L"You do not own that transfer", NULL);
836 return;
837 }
838 transfer->close = 1;
839 sq(sk, 0, L"200", L"Transfer cancelled", NULL);
840}
841
842static void cmd_notify(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
843{
844 int i, val;
845
846 if((argc % 2) != 1)
847 {
848 sq(sk, 0, L"501", L"Must have an even number of arguments", NULL);
849 return;
850 }
851 for(i = 1; i < argc; i += 2)
852 {
853 if(!wcscasecmp(argv[i + 1], L"on"))
854 val = 1;
855 else
856 val = 0;
857 if(!wcscasecmp(argv[i], L"all"))
858 {
859 if(val)
860 data->notify.w = ~0;
861 else
862 data->notify.w = 0;
863 } else if(!wcscasecmp(argv[i], L"fn:chat")) {
864 data->notify.b.fnchat = val;
865 } else if(!wcscasecmp(argv[i], L"fn:act")) {
866 data->notify.b.fnact = val;
ba86d49a 867 } else if(!wcscasecmp(argv[i], L"fn:peer")) {
868 data->notify.b.fnpeer = val;
d3372da9 869 } else if(!wcscasecmp(argv[i], L"trans:act")) {
870 data->notify.b.tract = val;
871 } else if(!wcscasecmp(argv[i], L"trans:prog")) {
872 data->notify.b.trprog = val;
873 } else if(!wcscasecmp(argv[i], L"srch:act")) {
874 data->notify.b.srch = val;
5f151349 875 } else if(!wcscasecmp(argv[i], L"msg")) {
876 data->notify.b.msg = val;
d3372da9 877 }
878 }
879 sq(sk, 0, L"200", L"Notification alteration succeeded", NULL);
880}
881
882static void cmd_sendchat(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
883{
884 struct fnetnode *fn;
885 int public;
886
887 haveargs(5);
888 havepriv(PERM_CHAT);
889 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
890 {
891 sq(sk, 0, L"510", L"No such node", NULL);
892 return;
893 }
894 public = wcstol(argv[2], NULL, 0);
895 if((public != 0) && (public != 1))
896 {
897 sq(sk, 0, L"509", L"Second argument must be 0 or 1", NULL);
898 return;
899 }
900 if(fn->state != FNN_EST)
901 {
902 sq(sk, 0, L"513", L"Hub is in state FNN_EST", NULL);
903 return;
904 }
905 if(fnetsendchat(fn, public, argv[3], argv[4]))
906 {
907 if(errno == ENOTSUP)
908 sq(sk, 0, L"513", L"This network does not support chatting", NULL);
909 else if(errno == EPERM)
910 sq(sk, 0, L"502", L"This node does not allow you to chat", NULL);
911 else if(errno == EILSEQ)
912 sq(sk, 0, L"504", L"This network could not support all the characters in that message", NULL);
913 else
914 sq(sk, 0, L"505", L"Could not chat", NULL);
915 return;
916 }
917 sq(sk, 0, L"200", L"Chat string sent", NULL);
918}
919
920static void cmd_search(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
921{
922 struct search *srch;
923 struct fnetnode *fn;
924 struct sexpr *sexpr;
925 int i;
926
927 haveargs(3);
928 havepriv(PERM_SRCH);
929 srch = newsearch(data->username, NULL);
930 for(i = 1; i < argc; i++)
931 {
932 if(!wcscmp(argv[i], L"all"))
933 {
934 for(fn = fnetnodes; fn != NULL; fn = fn->next)
935 {
936 if(fn->state == FNN_EST)
937 searchaddfn(srch, fn);
938 }
939 i++;
940 break;
941 } else if(!wcscmp(argv[i], L"prio")) {
942 if(++i == argc)
943 {
944 sq(sk, 0, L"501", L"No argument to prio", NULL);
945 freesearch(srch);
946 return;
947 }
948 srch->prio = wcstol(argv[i], NULL, 0);
949 } else if(iswdigit(*argv[i])) {
950 if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL)
951 {
952 sq(sk, 0, L"510", L"No such node", NULL);
953 freesearch(srch);
954 return;
955 }
956 searchaddfn(srch, fn);
957 } else {
958 break;
959 }
960 }
961 if(srch->fnl == NULL)
962 {
963 sq(sk, 0, L"501", L"No fnetnodes to search found on line", NULL);
964 freesearch(srch);
965 return;
966 }
967 if(i == argc)
968 {
969 sq(sk, 0, L"501", L"No search expression found on line", NULL);
970 freesearch(srch);
971 return;
972 }
973 if((sexpr = parsesexpr(argc - i, argv + i)) == NULL)
974 {
975 sq(sk, 0, L"509", L"Could not parse search expression", NULL);
976 freesearch(srch);
977 return;
978 }
979 optsexpr(sexpr);
980 getsexpr(srch->sexpr = sexpr);
981 queuesearch(srch);
982 CBREG(srch, search_eta, srcheta, NULL, NULL);
983 CBREG(srch, search_commit, srchcommit, NULL, NULL);
984 CBREG(srch, search_result, srchres, NULL, NULL);
f7292a8b 985 sq(sk, 0, L"200", L"%i", srch->id, L"%i", srch->eta - time(NULL), NULL);
d3372da9 986 putsexpr(sexpr);
987}
988
989static void cmd_lssrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
990{
991 struct search *srch, *pt;
992 time_t now;
993
994 havepriv(PERM_SRCH);
995 pt = NULL;
996 now = time(NULL);
997 for(srch = searches; srch != NULL; srch = srch->next)
998 {
999 if(!wcscmp(srch->owner, data->username))
1000 {
1001 if(pt != NULL)
f7292a8b 1002 sq(sk, 1, L"200", L"%i", pt->id, L"%i", pt->state, L"%i", pt->eta - now, L"%i", pt->numres, NULL);
d3372da9 1003 pt = srch;
1004 }
1005 }
1006 if(pt == NULL)
1007 sq(sk, 0, L"201", L"No searches", NULL);
1008 else
f7292a8b 1009 sq(sk, 0, L"200", L"%i", pt->id, L"%i", pt->state, L"%i", pt->eta - now, L"%i", pt->numres, NULL);
d3372da9 1010}
1011
1012static void cmd_lssr(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1013{
1014 struct search *srch;
1015 struct srchres *sr;
d3372da9 1016
1017 haveargs(2);
1018 havepriv(PERM_SRCH);
1019 if((srch = findsearch(wcstol(argv[1], NULL, 0))) == NULL)
1020 {
1021 sq(sk, 0, L"514", L"No such search", NULL);
1022 return;
1023 }
1024 if(srch->results == NULL)
1025 {
1026 sq(sk, 0, L"201", L"No results", NULL);
1027 } else {
1028 for(sr = srch->results; sr != NULL; sr = sr->next)
1029 {
f7292a8b 1030 sq(sk, (sr->next != NULL)?1:0, L"200", L"%ls", sr->filename,
1031 sr->fnet->name, L"%ls", sr->peerid, L"%i", sr->size,
1032 L"%i", sr->slots, L"%i", (sr->fn == NULL)?-1:(sr->fn->id),
1033 L"%f", sr->time,
1034 L"%ls", (sr->hash == NULL)?L"":unparsehash(sr->hash), NULL);
d3372da9 1035 }
1036 }
1037}
1038
1039static void cmd_cansrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1040{
1041 struct search *srch;
1042 int i;
1043
1044 haveargs(2);
1045 havepriv(PERM_SRCH);
1046 /* Note - Programmatical user interfaces must only give one
1047 * argument per command, the multiple argument form is only for
1048 * convenience when manually controlling the daemon via
1049 * eg. telnet. The reason is that the return codes aren't clear
1050 * enough for the multiple argument form. */
1051 for(i = 1; i < argc; i++)
1052 {
1053 if((srch = findsearch(wcstol(argv[i], NULL, 0))) == NULL)
1054 {
1055 sq(sk, 0, L"514", L"No such search", NULL);
1056 return;
1057 }
1058 freesearch(srch);
1059 }
1060 sq(sk, 0, L"200", L"Search cancelled", NULL);
1061}
1062
cab0b442 1063static void fcmdread(struct socket *sk, struct uidata *data)
d3372da9 1064{
1065 char *buf;
1066 size_t bufsize;
1067
1068 if((buf = sockgetinbuf(sk, &bufsize)) == NULL)
cab0b442 1069 return;
d3372da9 1070 bufcat(data->fcmdbuf, buf, bufsize);
1071 free(buf);
1072}
1073
cab0b442 1074static void fcmderr(struct socket *sk, int err, struct uidata *data)
d3372da9 1075{
1076 wchar_t *wbuf, *p, *p2;
1077
1078 if(err)
1079 {
1080 flog(LOG_WARNING, "error occurred on filtercmd pipe socket: %s", strerror(err));
1081 kill(-data->fcmdpid, SIGHUP);
1082 putsock(data->fcmdsk);
1083 data->fcmdsk = NULL;
1084 if(data->fcmdbuf != NULL)
1085 {
1086 free(data->fcmdbuf);
1087 data->fcmdbuf = NULL;
1088 }
1089 data->fcmdbufsize = data->fcmdbufdata = 0;
f7292a8b 1090 sq(data->sk, 0, L"505", L"An error occurred on the pipe to the filtercmd", L"%s", strerror(err), NULL);
cab0b442 1091 return;
d3372da9 1092 }
1093 putsock(data->fcmdsk);
1094 data->fcmdsk = NULL;
1095 data->fcmdpid = 0;
1096 if(data->fcmdbuf == NULL)
1097 {
1098 wbuf = swcsdup(L"");
1099 } else {
1100 addtobuf(data->fcmdbuf, 0);
1101 wbuf = icmbstowcs(data->fcmdbuf, NULL);
1102 free(data->fcmdbuf);
1103 }
1104 data->fcmdbuf = NULL;
1105 data->fcmdbufsize = data->fcmdbufdata = 0;
1106 if(wbuf == NULL)
1107 {
1108 sq(data->sk, 0, L"504", L"Filtercmd sent data which could not be converted from the local charset", NULL);
cab0b442 1109 return;
d3372da9 1110 }
1111 p = wbuf;
1112 for(p2 = wcschr(p, L'\n'); p2 != NULL; p2 = wcschr(p, L'\n'))
1113 {
1114 *(p2++) = L'\0';
f7292a8b 1115 sq(data->sk, (*p2 == L'\0')?0:1, L"200", L"%ls", p, NULL);
d3372da9 1116 p = p2;
1117 }
1118 if(*p == L'\0')
1119 {
1120 if(p == wbuf)
1121 sq(data->sk, 0, L"201", L"No data returned", NULL);
1122 } else {
f7292a8b 1123 sq(data->sk, 0, L"200", L"%ls", p, NULL);
d3372da9 1124 }
1125 free(wbuf);
1126}
1127
1128static void cmd_filtercmd(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1129{
1130 int i;
1131 pid_t pid;
1132 int pipe;
1133 char **cargv, **pp;
1134 char *filtercmd, *argbuf;
1135 size_t cargvsize, cargvdata;
1136 struct passwd *pwent;
1137
1138 haveargs(2);
1139 havepriv(PERM_TRANS);
1140 if((pwent = getpwuid(data->uid)) == NULL)
1141 {
1142 flog(LOG_WARNING, "no passwd entry for UI user %i", data->uid);
1143 sq(sk, 0, L"505", L"System error - Could not fork session", "Internal error", NULL);
1144 return;
1145 }
c0845d5b 1146 filtercmd = findfile("dc-filtercmd", pwent->pw_dir, 0);
ddb933f1 1147 if(filtercmd == NULL)
c0845d5b 1148 filtercmd = findfile(icswcstombs(confgetstr("ui", "filtercmd"), NULL, NULL), NULL, 0);
ddb933f1 1149 if(filtercmd == NULL)
d3372da9 1150 {
1151 flog(LOG_WARNING, "could not find filtercmd executable for user %s", pwent->pw_name);
1152 sq(sk, 0, L"505", L"System error - Could not fork session", L"Could not find filtercmd executable", NULL);
1153 return;
1154 }
1155 cargv = NULL;
1156 cargvsize = cargvdata = 0;
1157 addtobuf(cargv, filtercmd);
1158 for(i = 1; i < argc; i++)
1159 {
1160 if((argbuf = icwcstombs(argv[i], NULL)) == NULL)
1161 {
1162 for(i = 0; i < cargvdata; i++)
1163 free(cargv[i]);
1164 free(cargv);
f7292a8b 1165 sq(sk, 0, L"504", L"Could not convert argument into local character set", L"%i", i, L"%s", strerror(errno), NULL);
d3372da9 1166 return;
1167 }
1168 addtobuf(cargv, argbuf);
1169 }
1170 addtobuf(cargv, NULL);
1171 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)
1172 {
1173 flog(LOG_WARNING, "could not fork session in filtercmd: %s", strerror(errno));
f7292a8b 1174 sq(sk, 0, L"505", L"System error - Could not fork session", L"%s", strerror(errno), NULL);
d3372da9 1175 return;
1176 }
1177 if(pid == 0)
1178 {
1179 execv(filtercmd, cargv);
1180 flog(LOG_WARNING, "could not exec filtercmd %s: %s", filtercmd, strerror(errno));
1181 exit(127);
1182 }
1183 for(pp = cargv; *pp; pp++)
1184 free(*pp);
1185 free(cargv);
1186 data->fcmdsk = wrapsock(pipe);
1187 data->fcmdpid = pid;
1188 if(data->fcmdbuf != NULL)
1189 {
1190 free(data->fcmdbuf);
1191 data->fcmdbuf = NULL;
1192 }
1193 data->fcmdbufsize = data->fcmdbufdata = 0;
cab0b442 1194 data->fcmdsk->data = data;
1195 data->fcmdsk->readcb = (void (*)(struct socket *, void *))fcmdread;
1196 data->fcmdsk->errcb = (void (*)(struct socket *, int, void *))fcmderr;
d3372da9 1197}
1198
1199static void cmd_lstrarg(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1200{
1201 struct transfer *transfer;
9ec790e8 1202 struct wcspair *ta;
d3372da9 1203
1204 haveargs(2);
1205 havepriv(PERM_TRANS);
1206 if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL)
1207 {
1208 sq(sk, 0, L"512", L"No such transfer", NULL);
1209 return;
1210 }
1211 if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid))
1212 {
1213 sq(sk, 0, L"502", L"You do not own that transfer", NULL);
1214 return;
1215 }
1216 if(transfer->args == NULL)
1217 {
1218 sq(sk, 0, L"201", L"Transfer has no arguments", NULL);
1219 } else {
1220 for(ta = transfer->args; ta != NULL; ta = ta->next)
f7292a8b 1221 sq(sk, ta->next != NULL, L"200", L"%ls", ta->key, L"%ls", ta->val, NULL);
d3372da9 1222 }
1223}
1224
1225static void cmd_hashstatus(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1226{
1227 struct sharecache *node;
1228 int total, hashed;
1229
1230 total = hashed = 0;
1231 for(node = shareroot->child; node != NULL; node = nextscnode(node))
1232 {
1233 if(node->f.b.type == FILE_REG)
1234 {
1235 total++;
1236 if(node->f.b.hastth)
1237 hashed++;
1238 }
1239 }
f7292a8b 1240 sq(sk, 0, L"200", L"%i", total, L"tth", L"%i", hashed, NULL);
d3372da9 1241}
1242
796283c6 1243static void cmd_transstatus(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1244{
796283c6 1245 havepriv(PERM_TRANS);
f7292a8b 1246 sq(sk, 0, L"200", L"down", L"%ll", bytesdownload, L"up", L"%ll", bytesupload, NULL);
796283c6 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{
f7292a8b 1318 sq(sk, 0, L"200", L"%i", time(NULL) - starttime, NULL);
9a64a4f7 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;
cab0b442 1517 data->sk->readcb = NULL;
1518 data->sk->errcb = NULL;
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
cab0b442 1596static void 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)
cab0b442 1608 return;
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 }
1761}
1762
cab0b442 1763static void uierror(struct socket *sk, int err, struct uidata *data)
d3372da9 1764{
1765 if(err)
1766 flog(LOG_WARNING, "error occurred on UI socket: %s", strerror(err));
1767 freeuidata(data);
1768}
1769
cab0b442 1770static void uiaccept(struct socket *sk, struct socket *newsk, void *data)
d3372da9 1771{
1772 struct uidata *uidata;
1773
cab0b442 1774 newsk->data = uidata = newuidata(newsk);
d3372da9 1775 socksettos(newsk, confgetint("ui", "uitos"));
1776 if(uidata == NULL)
cab0b442 1777 return;
1778 newsk->errcb = (void (*)(struct socket *, int, void *))uierror;
1779 newsk->readcb = (void (*)(struct socket *, void *))uiread;
d3372da9 1780 queuecmd(uidata, &commands[0], 0, NULL);
1781}
1782
1783static int srcheta(struct search *srch, void *uudata)
1784{
1785 struct uidata *data;
1786
1787 for(data = actives; data != NULL; data = data->next)
1788 {
1789 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
1790 newnotif(data, 620, NOTIF_ID, srch->id, NOTIF_INT, srch->eta - time(NULL), NOTIF_END);
1791 }
1792 return(0);
1793}
1794
1795static int srchcommit(struct search *srch, void *uudata)
1796{
1797 struct uidata *data;
1798
1799 for(data = actives; data != NULL; data = data->next)
1800 {
1801 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
1802 newnotif(data, 621, NOTIF_ID, srch->id, NOTIF_END);
1803 }
1804 return(0);
1805}
1806
1807static int srchres(struct search *srch, struct srchres *sr, void *uudata)
1808{
1809 struct uidata *data;
1810
1811 for(data = actives; data != NULL; data = data->next)
1812 {
1813 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
ebbc13f3 1814 {
ebbc13f3 1815 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 1816 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 1817 }
d3372da9 1818 }
1819 return(0);
1820}
1821
1822static int recvchat(struct fnetnode *fn, int public, wchar_t *name, wchar_t *peer, wchar_t *string, void *uudata)
1823{
1824 struct uidata *data;
1825
1826 for(data = actives; data != NULL; data = data->next)
1827 {
1828 if(haspriv(data, PERM_CHAT) && data->notify.b.fnchat)
1829 newnotif(data, 600, NOTIF_ID, fn->id, NOTIF_INT, public, NOTIF_STR, name, NOTIF_STR, peer, NOTIF_STR, string, NOTIF_END);
1830 }
1831 return(0);
1832}
1833
1834static int fnactive(struct fnetnode *fn, wchar_t *attrib, void *uudata)
1835{
1836 struct uidata *data;
1837 struct notif *notif;
1838
1839 if(!wcscmp(attrib, L"state"))
1840 {
1841 for(data = actives; data != NULL; data = data->next)
1842 {
1843 if(data->notify.b.fnact)
1844 newnotif(data, 601, NOTIF_ID, fn->id, NOTIF_INT, fn->state, NOTIF_END);
1845 }
1846 } else if(!wcscmp(attrib, L"name")) {
1847 for(data = actives; data != NULL; data = data->next)
1848 {
1849 if(data->notify.b.fnact)
1850 newnotif(data, 602, NOTIF_ID, fn->id, NOTIF_STR, fn->name, NOTIF_END);
1851 }
1852 } else if(!wcscmp(attrib, L"numpeers")) {
1853 for(data = actives; data != NULL; data = data->next)
1854 {
1855 if(data->notify.b.fnact)
1856 {
1857 if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 605, fn->id)) != NULL)
1858 notif->argv[1].d.n = fn->numpeers;
1859 else
ba86d49a 1860 newnotif(data, 605, NOTIF_ID, fn->id, NOTIF_INT, fn->numpeers, NOTIF_END)->rlimit = 0.5;
d3372da9 1861 }
1862 }
1863 }
1864 return(0);
1865}
1866
1867static int fnunlink(struct fnetnode *fn, void *uudata)
1868{
1869 struct uidata *data;
1870
1871 for(data = actives; data != NULL; data = data->next)
1872 {
1873 if(data->notify.b.fnact)
1874 newnotif(data, 603, NOTIF_ID, fn->id, NOTIF_END);
1875 }
1876 return(0);
1877}
1878
ba86d49a 1879static int peernew(struct fnetnode *fn, struct fnetpeer *peer, void *uudata)
1880{
1881 struct uidata *data;
1882
1883 for(data = actives; data != NULL; data = data->next)
1884 {
1885 if(data->notify.b.fnpeer)
1886 newnotif(data, 630, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_STR, peer->nick, NOTIF_END);
1887 }
1888 return(0);
1889}
1890
1891static int peerdel(struct fnetnode *fn, struct fnetpeer *peer, void *uudata)
1892{
1893 struct uidata *data;
1894
1895 for(data = actives; data != NULL; data = data->next)
1896 {
1897 if(data->notify.b.fnpeer)
1898 newnotif(data, 631, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_END);
1899 }
1900 return(0);
1901}
1902
1903static int peerchange(struct fnetnode *fn, struct fnetpeer *peer, struct fnetpeerdi *di, void *uudata)
1904{
1905 struct uidata *data;
1906 struct notif *notif;
1907 wchar_t buf[32];
1908
1909 for(data = actives; data != NULL; data = data->next)
1910 {
1911 if(data->notify.b.fnpeer)
1912 {
1913 for(notif = data->fnotif; notif != NULL; notif = notif->next)
1914 {
1915 if((notif->code == 632) && (notif->state == NOTIF_PEND) && (notif->argv[0].d.n == fn->id) && !wcscmp(notif->argv[1].d.s, peer->id))
1916 break;
1917 }
1918 if(notif == NULL)
1919 notif = newnotif(data, 632, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_STR, peer->nick, NOTIF_END);
1920 notifappend(notif, NOTIF_STR, di->datum->id, NOTIF_INT, di->datum->datatype, NOTIF_END);
1921 switch(di->datum->datatype)
1922 {
1923 case FNPD_INT:
1924 notifappend(notif, NOTIF_INT, di->data.num, NOTIF_END);
1925 break;
1926 case FNPD_STR:
1927 notifappend(notif, NOTIF_STR, di->data.str, NOTIF_END);
1928 break;
1929 case FNPD_LL:
1930 swprintf(buf, sizeof(buf) / sizeof(*buf), L"%lli", di->data.lnum);
1931 notifappend(notif, NOTIF_STR, buf, NOTIF_END);
1932 break;
1933 }
1934 }
1935 }
1936 return(0);
1937}
1938
d3372da9 1939static int newfnetnode(struct fnetnode *fn, void *uudata)
1940{
1941 struct uidata *data;
1942
1943 for(data = actives; data != NULL; data = data->next)
1944 {
1945 if(data->notify.b.fnact)
1946 newnotif(data, 604, NOTIF_ID, fn->id, NOTIF_STR, fn->fnet->name, NOTIF_END);
1947 }
1948 CBREG(fn, fnetnode_ac, fnactive, NULL, NULL);
1949 CBREG(fn, fnetnode_chat, recvchat, NULL, NULL);
1950 CBREG(fn, fnetnode_unlink, fnunlink, NULL, NULL);
ba86d49a 1951 CBREG(fn, fnetpeer_new, peernew, NULL, NULL);
1952 CBREG(fn, fnetpeer_del, peerdel, NULL, NULL);
1953 CBREG(fn, fnetpeer_chdi, peerchange, NULL, NULL);
d3372da9 1954 return(0);
1955}
1956
1957static int transferchattr(struct transfer *transfer, wchar_t *attrib, void *uudata)
1958{
1959 struct uidata *data;
1960
1961 if(!wcscmp(attrib, L"state"))
1962 {
1963 for(data = actives; data != NULL; data = data->next)
1964 {
1965 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1966 newnotif(data, 611, NOTIF_ID, transfer->id, NOTIF_INT, transfer->state, NOTIF_END);
1967 }
1968 } else if(!wcscmp(attrib, L"nick")) {
1969 for(data = actives; data != NULL; data = data->next)
1970 {
1971 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1972 newnotif(data, 612, NOTIF_ID, transfer->id, NOTIF_STR, transfer->peernick, NOTIF_END);
1973 }
1974 } else if(!wcscmp(attrib, L"size")) {
1975 for(data = actives; data != NULL; data = data->next)
1976 {
1977 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1978 newnotif(data, 613, NOTIF_ID, transfer->id, NOTIF_INT, transfer->size, NOTIF_END);
1979 }
1980 } else if(!wcscmp(attrib, L"error")) {
1981 for(data = actives; data != NULL; data = data->next)
1982 {
1983 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1984 newnotif(data, 614, NOTIF_ID, transfer->id, NOTIF_INT, transfer->error, NOTIF_END);
1985 }
1986 } else if(!wcscmp(attrib, L"path")) {
1987 for(data = actives; data != NULL; data = data->next)
1988 {
1989 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1990 newnotif(data, 616, NOTIF_ID, transfer->id, NOTIF_STR, transfer->path, NOTIF_END);
1991 }
a04fc9ff 1992 } else if(!wcscmp(attrib, L"hash")) {
1993 for(data = actives; data != NULL; data = data->next)
1994 {
1995 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
5e13cdca 1996 newnotif(data, 618, NOTIF_ID, transfer->id, NOTIF_STR, (transfer->hash == NULL)?L"":unparsehash(transfer->hash), NOTIF_END);
a04fc9ff 1997 }
d3372da9 1998 }
1999 return(0);
2000}
2001
2002static int transferprog(struct transfer *transfer, void *uudata)
2003{
2004 struct uidata *data;
2005 struct notif *notif;
2006
2007 for(data = actives; data != NULL; data = data->next)
2008 {
2009 if(haspriv(data, PERM_TRANS) && data->notify.b.trprog && ((transfer->owner == 0) || (transfer->owner == data->uid)))
2010 {
2011 if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 615, transfer->id)) != NULL)
2012 notif->argv[1].d.n = transfer->curpos;
2013 else
2014 newnotif(data, 615, NOTIF_ID, transfer->id, NOTIF_INT, transfer->curpos, NOTIF_END)->rlimit = 0.5;
2015 }
2016 }
2017 return(0);
2018}
2019
2020static int transferdestroyed(struct transfer *transfer, void *uudata)
2021{
2022 struct uidata *data;
2023
2024 for(data = actives; data != NULL; data = data->next)
2025 {
2026 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
3d204c2d 2027 newnotif(data, 617, NOTIF_ID, transfer->id, NOTIF_STR, (transfer->exitstatus == NULL)?L"":(transfer->exitstatus), NOTIF_END);
d3372da9 2028 }
2029 return(0);
2030}
2031
2032static int newtransfernotify(struct transfer *transfer, void *uudata)
2033{
2034 struct uidata *data;
2035
2036 for(data = actives; data != NULL; data = data->next)
2037 {
2038 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
2039 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);
2040 }
2041 CBREG(transfer, trans_ac, transferchattr, NULL, NULL);
2042 CBREG(transfer, trans_p, transferprog, NULL, NULL);
2043 CBREG(transfer, trans_destroy, transferdestroyed, NULL, NULL);
2044 return(0);
2045}
2046
2047static struct uiuser *newuser(wchar_t *name, unsigned long perms)
2048{
2049 struct uiuser *new;
2050
2051 new = smalloc(sizeof(*new));
2052 new->used = 0;
2053 new->name = swcsdup(name);
2054 new->perms = perms;
2055 new->delete = 0;
2056 new->next = users;
2057 new->prev = NULL;
2058 if(users != NULL)
2059 users->prev = new;
2060 users = new;
2061 return(new);
2062}
2063
2064static void freeuser(struct uiuser *user)
2065{
2066 if(user->next != NULL)
2067 user->next->prev = user->prev;
2068 if(user->prev != NULL)
2069 user->prev->next = user->next;
2070 if(user == users)
2071 users = user->next;
2072 free(user->name);
2073 free(user);
2074}
2075
2076static int conf_user(int argc, wchar_t **argv)
2077{
2078 int i, perms, permmod;
2079 struct uiuser *user;
2080 wchar_t *p;
2081
2082 if(argc < 3)
2083 {
2084 flog(LOG_WARNING, "not enough arguments given for user command");
2085 return(1);
2086 }
2087 perms = 0;
2088 for(i = 2; i < argc; i++)
2089 {
2090 if(!iswalpha(argv[i][0]))
2091 p = argv[i] + 1;
2092 else
2093 p = argv[i];
2094 if(!wcscmp(p, L"disallow"))
2095 permmod = PERM_DISALLOW;
2096 if(!wcscmp(p, L"admin"))
2097 permmod = PERM_ADMIN;
2098 if(!wcscmp(p, L"fnetctl"))
2099 permmod = PERM_FNETCTL;
2100 if(!wcscmp(p, L"trans"))
2101 permmod = PERM_TRANS;
2102 if(!wcscmp(p, L"transcu"))
2103 permmod = PERM_TRANSCU;
2104 if(!wcscmp(p, L"chat"))
2105 permmod = PERM_CHAT;
2106 if(!wcscmp(p, L"srch"))
2107 permmod = PERM_SRCH;
2108 if(!wcscmp(p, L"all"))
2109 permmod = ~0;
2110 if(argv[i][0] == L'-')
2111 perms &= ~permmod;
2112 else
2113 perms |= permmod;
2114 }
2115 if((user = finduser(argv[1])) == NULL)
2116 {
2117 newuser(argv[1], perms);
2118 } else {
2119 user->delete = 0;
2120 user->perms = perms;
2121 }
2122 return(0);
2123}
2124
2125static void preinit(int hup)
2126{
2127 struct uiuser *user;
2128
2129 if(!hup)
2130 {
8754fb85 2131 newuser(L"default", PERM_DISALLOW);
d3372da9 2132 } else {
2133 for(user = users; user != NULL; user = user->next)
2134 {
2135 if(!wcscmp(user->name, L"default"))
2136 user->delete = 1;
2137 }
2138 }
2139}
2140
ddb933f1 2141static struct sockaddr_un *makeunixname(void)
2142{
2143 static struct sockaddr_un buf;
2144 char *val;
2145 struct passwd *pwd;
2146 uid_t uid;
2147
2148 memset(&buf, 0, sizeof(buf));
2149 buf.sun_family = PF_UNIX;
2150 if((val = icswcstombs(confgetstr("ui", "unixsock"), NULL, NULL)) == NULL) {
2151 flog(LOG_WARNING, "could not map Unix socket name into local charset: %s", strerror(errno));
2152 return(NULL);
2153 }
2154 if(!strcmp(val, "none"))
2155 return(NULL);
2156 if(!strcmp(val, "default"))
2157 {
2158 if((uid = getuid()) == 0)
2159 {
2160 strcpy(buf.sun_path, "/var/run/doldacond.sock");
2161 return(&buf);
2162 } else {
2163 if((pwd = getpwuid(uid)) == NULL)
2164 {
2165 flog(LOG_ERR, "could not get passwd entry for current user: %s", strerror(errno));
2166 return(NULL);
2167 }
2168 strcpy(buf.sun_path, "/tmp/doldacond-");
2169 strcat(buf.sun_path, pwd->pw_name);
2170 return(&buf);
2171 }
2172 }
2173 if(strchr(val, '/'))
2174 {
2175 strcpy(buf.sun_path, val);
2176 return(&buf);
2177 }
2178 flog(LOG_WARNING, "invalid Unix socket name: %s", val);
2179 return(NULL);
2180}
2181
2182static int tcpportupdate(struct configvar *var, void *uudata)
d3372da9 2183{
d3372da9 2184 struct socket *newsock;
2185
ddb933f1 2186 newsock = NULL;
2187 if((var->val.num != -1) && ((newsock = netcstcplisten(var->val.num, 1, uiaccept, NULL)) == NULL))
d3372da9 2188 {
ddb933f1 2189 flog(LOG_WARNING, "could not create new TCP UI socket, reverting to old: %s", strerror(errno));
d3372da9 2190 return(0);
2191 }
ddb933f1 2192 if(tcpsocket != NULL)
2193 {
2194 putsock(tcpsocket);
2195 tcpsocket = NULL;
2196 }
2197 tcpsocket = newsock;
2198 return(0);
2199}
2200
2201static int unixsockupdate(struct configvar *var, void *uudata)
2202{
2203 struct socket *newsock;
2204 struct sockaddr_un *un;
2205
2206 newsock = NULL;
2207 if(((un = makeunixname()) != NULL) && ((newsock = netcslistenlocal(SOCK_STREAM, (struct sockaddr *)un, sizeof(*un), uiaccept, NULL)) == NULL))
2208 {
2209 flog(LOG_WARNING, "could not create new Unix UI socket, reverting to old: %s", strerror(errno));
2210 return(0);
2211 }
2212 if(unixsocket != NULL)
2213 {
2214 putsock(unixsocket);
2215 unixsocket = NULL;
2216 }
2217 unixsocket = newsock;
d3372da9 2218 return(0);
2219}
2220
2221static int init(int hup)
2222{
d3372da9 2223 struct uiuser *user, *next;
ddb933f1 2224 struct sockaddr_un *un;
8754fb85 2225 struct passwd *pwd;
2226 wchar_t *wcsname;
d3372da9 2227
2228 if(hup)
2229 {
2230 for(user = users; user != NULL; user = next)
2231 {
2232 next = user->next;
2233 if(user->delete)
2234 freeuser(user);
2235 }
2236 }
2237 if(!hup)
2238 {
9a64a4f7 2239 starttime = time(NULL);
ddb933f1 2240 if((confgetint("ui", "port") != -1) && ((tcpsocket = netcstcplisten(confgetint("ui", "port"), 1, uiaccept, NULL)) == NULL))
2241 {
2242 flog(LOG_CRIT, "could not create TCP UI socket: %s", strerror(errno));
2243 return(1);
2244 }
2245 CBREG(confgetvar("ui", "port"), conf_update, tcpportupdate, NULL, NULL);
2246 if(((un = makeunixname()) != NULL) && ((unixsocket = netcslistenlocal(SOCK_STREAM, (struct sockaddr *)un, sizeof(*un), uiaccept, NULL)) == NULL))
d3372da9 2247 {
ddb933f1 2248 flog(LOG_CRIT, "could not create Unix UI socket: %s", strerror(errno));
d3372da9 2249 return(1);
2250 }
ddb933f1 2251 CBREG(confgetvar("ui", "unixsock"), conf_update, unixsockupdate, NULL, NULL);
d3372da9 2252 GCBREG(newfncb, newfnetnode, NULL);
2253 GCBREG(newtransfercb, newtransfernotify, NULL);
2254 }
8754fb85 2255 if(getuid() != 0)
2256 {
2257 for(user = users; user != NULL; user = user->next)
2258 {
2259 if(wcscmp(user->name, L"default"))
2260 break;
2261 }
2262 if(!user)
2263 {
2264 if((pwd = getpwuid(getuid())) == NULL)
2265 {
2266 flog(LOG_CRIT, "could not get login info: %s", strerror(errno));
2267 return(1);
2268 }
2269 if((wcsname = icmbstowcs(pwd->pw_name, NULL)) == NULL)
2270 {
2271 flog(LOG_CRIT, "could not convert user name into wcs: %s", strerror(errno));
2272 return(1);
2273 }
2274 newuser(wcsname, ~PERM_DISALLOW);
2275 free(wcsname);
2276 }
2277 }
d3372da9 2278 return(0);
2279}
2280
2281static int run(void)
2282{
2283 int i, id;
2284 struct uidata *data, *next;
2285 struct qcommand *qcmd;
2286 struct notif *notif, *nnotif;
d3372da9 2287
2288 for(data = actives; data != NULL; data = next)
2289 {
2290 next = data->next;
2291 if(data->close)
2292 freeuidata(data);
2293 }
2294 for(data = actives; data != NULL; data = data->next)
2295 {
2296 for(notif = data->fnotif; notif != NULL; notif = nnotif)
2297 {
2298 nnotif = notif->next;
2299 if(notif->state == NOTIF_WAIT)
2300 continue;
2301 id = -1;
2302 for(i = 0; i < notif->argc; i++)
2303 {
2304 if(notif->argv[i].dt == NOTIF_ID)
2305 {
2306 id = notif->argv[i].d.n;
2307 break;
2308 }
2309 }
2310 if(findnotif(notif->prev, 0, -1, notif->code, id) != NULL)
2311 continue;
f7292a8b 2312 sq(data->sk, 2, L"%i", notif->code, NULL);
d3372da9 2313 for(i = 0; i < notif->argc; i++)
2314 {
2315 switch(notif->argv[i].dt)
2316 {
2317 case NOTIF_INT:
2318 case NOTIF_ID:
f7292a8b 2319 sq(data->sk, 2, L"%i", notif->argv[i].d.n, NULL);
d3372da9 2320 break;
2321 case NOTIF_STR:
2322 if(notif->argv[i].d.s[0] == L'%')
f7292a8b 2323 sq(data->sk, 2, L"%ls", notif->argv[i].d.s, NULL);
d3372da9 2324 else
2325 sq(data->sk, 2, notif->argv[i].d.s, NULL);
2326 break;
2327 case NOTIF_FLOAT:
f7292a8b 2328 sq(data->sk, 2, L"%f", notif->argv[i].d.d, NULL);
d3372da9 2329 break;
2330 }
2331 }
2332 sq(data->sk, 0, NULL);
2333 if(notif->rlimit != 0)
2334 {
2335 notif->state = NOTIF_WAIT;
2336 notif->exptimer = timercallback(ntime() + notif->rlimit, (void (*)(int, void *))notifexpire, notif);
2337 } else {
2338 freenotif(notif);
2339 }
2340 }
2341 if((qcmd = unlinkqcmd(data)) != NULL)
2342 {
2343 qcmd->cmd->handler(data->sk, data, qcmd->argc, qcmd->argv);
2344 freequeuecmd(qcmd);
2345 return(1);
2346 }
2347 }
2348 return(0);
2349}
2350
2351static void terminate(void)
2352{
2353 while(users != NULL)
2354 freeuser(users);
ddb933f1 2355 if(tcpsocket != NULL)
2356 putsock(tcpsocket);
2357 if(unixsocket != NULL)
2358 putsock(unixsocket);
d3372da9 2359}
2360
2361static struct configvar myvars[] =
2362{
d9f89ef5 2363 /** If true, UI connections will only be accepted from localhost
2364 * addresses (127.0.0.1, ::1 or ::ffff:127.0.0.1). Unless you are
2365 * completely sure that you know what you are doing, never turn
2366 * this off when auth.authless is on. */
d3372da9 2367 {CONF_VAR_BOOL, "onlylocal", {.num = 1}},
ddb933f1 2368 /** The TCP port number on which to accept UI client connections,
2369 * or -1 to not listen on TCP. */
d3372da9 2370 {CONF_VAR_INT, "port", {.num = 1500}},
ddb933f1 2371 /**
2372 * Controls the the name to use for the Unix socket on which to
2373 * accept UI client connections. If the name contains a slash, it
2374 * is treated as a file name to bind on. If the name is "default",
2375 * the file name will be "/var/run/doldacond.sock" if doldacond
2376 * runs with UID == 0, or "/tmp/doldacond-NAME" otherwise, where
2377 * NAME is the user name of the UID which doldacond runs as. If
2378 * the name is "none", no Unix socket will be used. Otherwise, an
2379 * error is signaled.
2380 */
2381 {CONF_VAR_STRING, "unixsock", {.str = L"default"}},
d9f89ef5 2382 /** The TOS value to use for UI connections (see the TOS VALUES
2383 * section). */
d3372da9 2384 {CONF_VAR_INT, "uitos", {.num = SOCK_TOS_MINDELAY}},
d9f89ef5 2385 /** The name of the filtercmd script (see the FILES section for
2386 * lookup information). */
d3372da9 2387 {CONF_VAR_STRING, "filtercmd", {.str = L"dc-filtercmd"}},
2388 {CONF_VAR_END}
2389};
2390
2391static struct configcmd mycmds[] =
2392{
2393 {"user", conf_user},
2394 {NULL}
2395};
2396
2397static struct module me =
2398{
2399 .name = "ui",
2400 .conf =
2401 {
2402 .vars = myvars,
2403 .cmds = mycmds
2404 },
2405 .preinit = preinit,
2406 .init = init,
2407 .run = run,
2408 .terminate = terminate
2409};
2410
2411MODULE(me)
Dolda Connect