2 * Dolda Connect - Modular multiuser Direct Connect-style client
3 * Copyright (C) 2004 Fredrik Tolf (fredrik@dolda2000.com)
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.
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.
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
23 #include <sys/socket.h>
24 #include <netinet/in.h>
25 #include <netinet/ip6.h>
45 #include "sysevents.h"
51 #define PERM_DISALLOW 1
53 #define PERM_FNETCTL 4
55 #define PERM_TRANSCU 16
72 void (*handler)(struct socket *sk, struct uidata *data, int argc, wchar_t **argv);
77 struct qcommand *next;
85 struct uiuser *next, *prev;
94 struct notif *next, *prev;
100 struct timer *exptimer;
115 struct uidata *next, *prev;
117 struct qcommand *queue, *queuelast;
118 struct authhandle *auth;
134 struct uiuser *userinfo;
136 struct notif *fnotif, *lnotif;
138 size_t fcmdbufdata, fcmdbufsize;
140 struct socket *fcmdsk;
143 size_t inbufsize, indata;
144 /* Wordset storage */
147 /* WCS conversation stuff */
148 wchar_t *cb; /* Conversation buffer */
149 size_t cbsize, cbdata;
152 int ps; /* Parser state */
153 wchar_t *pp; /* Current parse pointer */
154 wchar_t *cw; /* Current word (building storage) */
155 size_t cwsize, cwdata;
158 static int srcheta(struct search *srch, void *uudata);
159 static int srchcommit(struct search *srch, void *uudata);
160 static int srchres(struct search *srch, struct srchres *sr, void *uudata);
162 struct uiuser *users = NULL;
163 struct uidata *actives = NULL;
164 struct socket *uisocket = NULL;
166 static wchar_t *quoteword(wchar_t *word)
168 wchar_t *wp, *buf, *bp;
178 for(wp = word; *wp != L'\0'; wp++)
180 if(!dq && iswspace(*wp))
182 if((*wp == L'\\') || (*wp == L'\"'))
189 bp = buf = smalloc(sizeof(wchar_t) * (numc + numbs + (dq?2:0) + 1));
192 for(wp = word; *wp != L'\0'; wp++)
194 if((*wp == L'\\') || (*wp == L'\"'))
204 static void sq(struct socket *sk, int cont, ...)
210 wchar_t *part, *tpart;
211 size_t bufsize, bufdata;
214 bufsize = bufdata = 0;
217 while((part = va_arg(al, wchar_t *)) != NULL)
222 * This kludge demands that all arguments that you call it
223 * with are the size of an int. That happens to be the
224 * case for most datatypes on most platforms and
225 * compilers, but I don't know exactly which ones, and
226 * also a long long is a notable candidate of an arg that
227 * is not the size of an int on 32-bit archs. If it breaks
228 * some existing call on your architecture, please tell
231 part = vswprintf2(tpart = (part + 1), al);
232 for(; *tpart != L'\0'; tpart++)
246 if((tpart = quoteword(part)) != NULL)
253 if((num > 1) || ((num == 1) && !(cont & 1)))
255 bufcat(buf, part, wcslen(part));
256 if((num == 0) && (cont & 1))
263 bufcat(buf, L" \0", 2);
265 bufcat(buf, L"\r\n\0", 3);
266 if((final = icwcstombs(buf, "utf-8")) == NULL)
268 flog(LOG_CRIT, "could not convert \"%ls\" into utf-8: %s", buf, strerror(errno));
274 sockqueue(sk, final, strlen(final));
278 struct uiuser *finduser(wchar_t *name)
282 for(user = users; user != NULL; user = user->next)
284 if(!wcscmp(user->name, name))
290 static void logout(struct uidata *data)
292 data->userinfo = NULL;
293 if(data->username != NULL)
294 free(data->username);
295 data->username = NULL;
296 if(data->auth != NULL)
297 authputhandle(data->auth);
301 static int haspriv(struct uidata *data, int perm)
303 if(data->userinfo == NULL)
305 if(data->userinfo->perms & perm)
311 /* Useful macros for the command functions: */
312 #define haveargs(n) do { if(argc < n) { sq(sk, 0, L"501", L"Wrong number of arguments", NULL); return; } } while(0)
313 #define havepriv(p) do { if((data->userinfo == NULL) || ((data->userinfo->perms & (p)) != (p))) { sq(sk, 0, L"502", L"%Unauthorized request - %x needed", (p), NULL); return; } } while(0)
315 static void cmd_connect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
319 if(confgetint("ui", "onlylocal"))
321 switch(sk->remote->sa_family)
324 valid = ((struct sockaddr_in *)sk->remote)->sin_addr.s_addr == INADDR_LOOPBACK;
327 valid = !memcmp(&((struct sockaddr_in6 *)sk->remote)->sin6_addr, &in6addr_loopback, sizeof(in6addr_loopback));
335 sq(sk, 0, L"502", L"Only localhost connections allowed to this host", NULL);
341 sq(sk, 0, L"200", L"%Dolda Connect daemon v%s", VERSION, NULL);
344 static void cmd_notfound(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
346 if((argv != NULL) && (argv[0] != NULL))
347 sq(sk, 0, L"500", L"%Command not found: %ls", argv[0], NULL);
349 sq(sk, 0, L"500", L"No command", NULL);
352 static void cmd_shutdown(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
354 extern volatile int running;
356 havepriv(PERM_ADMIN);
357 flog(LOG_NOTICE, "UI shutdown request from %ls, shutting down", data->username);
359 sq(sk, 0, L"200", L"Daemon shutting down", NULL);
362 static void cmd_quit(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
364 sq(sk, 0, L"200", L"Closing connection", NULL);
368 static void cmd_lsauth(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
370 struct authmech *mech, *prev;
373 for(mech = mechs; mech != NULL; mech = mech->next)
378 sq(sk, 1, L"200", prev->name, NULL);
383 sq(sk, 0, L"201", L"No authentication methods supported", NULL);
385 sq(sk, 0, L"200", prev->name, NULL);
388 static void cmd_login(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
395 if(data->username != NULL)
397 if(data->userinfo != NULL)
398 sq(sk, 0, L"503", L"Already logged in", NULL);
400 sq(sk, 0, L"503", L"Already logging in", NULL);
403 if((buf = icwcstombs(argv[2], NULL)) == NULL)
405 sq(sk, 0, L"504", L"Could not convert username to locale charset", NULL);
408 data->username = swcsdup(argv[2]);
409 if((pwd = getpwnam(buf)) == NULL)
412 data->uid = pwd->pw_uid;
413 if((data->auth = initauth(argv[1], buf)) == NULL)
416 sq(sk, 0, L"508", L"No such authentication mechanism", NULL);
418 sq(sk, 0, L"505", L"Could not initialize authentication system", L"%%s", strerror(errno), NULL);
424 switch(authenticate(data->auth, NULL))
427 data->userinfo = finduser(data->username);
428 if(data->userinfo == NULL)
429 data->userinfo = finduser(L"default");
432 sq(sk, 0, L"506", L"Authentication error", NULL);
433 flog(LOG_INFO, "user %ls authenticated successfully, but no account existed", data->username);
435 } else if((data->userinfo == NULL) || (data->userinfo->perms & PERM_DISALLOW)) {
436 sq(sk, 0, L"506", L"Authentication error", NULL);
437 flog(LOG_INFO, "user %ls authenticated successfully, but was not authorized", data->username);
440 sq(sk, 0, L"200", L"Welcome", NULL);
441 flog(LOG_INFO, "%ls (UID %i) logged in", data->username, data->uid);
445 sq(sk, 0, L"506", L"Authentication error", L"%%ls", (data->auth->text == NULL)?L"":(data->auth->text), NULL);
449 switch(data->auth->prompt)
467 sq(sk, 0, L"%%i", code, data->auth->text, NULL);
470 sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL);
474 flog(LOG_WARNING, "BUG? Non-caught return from authenticate in cmd_login");
475 sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL);
481 static void cmd_pass(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
487 if((buf = icwcstombs(argv[1], NULL)) == NULL)
489 sq(sk, 0, L"504", L"Could not convert data to locale charset", NULL);
492 if((data->auth == NULL) || (data->userinfo != NULL))
494 sq(sk, 0, L"507", L"Data not expected", NULL);
497 switch(authenticate(data->auth, buf))
500 data->userinfo = finduser(data->username);
501 if(data->userinfo == NULL)
502 data->userinfo = finduser(L"default");
505 sq(sk, 0, L"506", L"Authentication error", NULL);
506 flog(LOG_INFO, "user %ls authenticated successfully, but no account existed", data->username);
508 } else if((data->userinfo == NULL) || (data->userinfo->perms & PERM_DISALLOW)) {
509 sq(sk, 0, L"506", L"Authentication error", NULL);
510 flog(LOG_INFO, "user %ls authenticated successfully, but was not authorized", data->username);
513 sq(sk, 0, L"200", L"Welcome", NULL);
514 flog(LOG_INFO, "%ls (UID %i) logged in", data->username, data->uid);
518 sq(sk, 0, L"506", L"Authentication error", L"%%ls", (data->auth->text == NULL)?L"":(data->auth->text), NULL);
522 switch(data->auth->prompt)
540 sq(sk, 0, L"%%i", code, data->auth->text, NULL);
543 sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL);
547 flog(LOG_WARNING, "BUG? Non-caught return from authenticate in cmd_pass");
548 sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL);
555 static void cmd_fnetconnect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
561 struct wcspair *args;
564 havepriv(PERM_FNETCTL);
565 if((buf = icwcstombs(argv[2], NULL)) == NULL)
567 sq(sk, 0, L"504", L"Could not convert data to locale charset", NULL);
571 for(i = 3; i < argc - 1; i += 2)
572 newwcspair(argv[i], argv[i + 1], &args);
573 fn = fnetinitconnect(argv[1], buf, args);
578 if(errno == EPROTONOSUPPORT)
579 sq(sk, 0, L"511", L"No such network name", NULL);
581 sq(sk, 0, L"509", L"Could not parse the address", L"%%s", strerror(err), NULL);
585 fnetsetname(fn, argv[2]);
587 sq(sk, 0, L"200", L"Connection under way", NULL);
590 static void cmd_lsnodes(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
594 if(fnetnodes == NULL)
596 sq(sk, 0, L"201", L"No connected nodes", NULL);
599 for(fn = fnetnodes; fn != NULL; fn = fn->next)
601 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, NULL);
605 static void cmd_disconnect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
611 havepriv(PERM_FNETCTL);
612 /* Note - Programmatical user interfaces must only give one
613 * argument per command, the multiple argument form is only for
614 * convenience when manually controlling the daemon via
615 * eg. telnet. The reason is that the return codes aren't clear
616 * enough for the multiple argument form. */
617 for(i = 1; i < argc; i++)
619 if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL)
621 sq(sk, 0, L"510", L"No such node", NULL);
627 sq(sk, 0, L"200", L"Node flagged for disconnection", NULL);
630 static void cmd_lspa(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
633 struct fnetpeerdatum *datum;
636 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
638 sq(sk, 0, L"510", L"No such node", NULL);
641 if(fn->peerdata == NULL)
643 sq(sk, 0, L"201", L"No data available", NULL);
645 for(datum = fn->peerdata; datum != NULL; datum = datum->next)
646 sq(sk, (datum->next != NULL)?1:0, L"200", datum->id, L"%%i", datum->datatype, NULL);
650 static void cmd_lspeers(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
654 struct fnetpeer *peer;
658 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
660 sq(sk, 0, L"510", L"No such node", NULL);
663 if(fn->peers == NULL)
665 sq(sk, 0, L"201", L"No peers avaiable", NULL);
667 for(peer = fn->peers; peer != NULL; peer = peer->next)
669 sq(sk, 2 | ((peer->next != NULL)?1:0), L"200", peer->id, peer->nick, NULL);
670 for(i = 0; i < peer->dinum; i++)
672 if(peer->peerdi[i].datum->datatype == FNPD_INT)
673 sq(sk, 2, peer->peerdi[i].datum->id, L"%%i", peer->peerdi[i].data.num, NULL);
674 /* Note: A long long is not the size of an int, so
675 * sq() can't handle the conversion itself. */
676 if(peer->peerdi[i].datum->datatype == FNPD_LL)
678 swprintf(buf, 40, L"%lli", peer->peerdi[i].data.lnum);
679 sq(sk, 2, peer->peerdi[i].datum->id, buf, NULL);
681 if((peer->peerdi[i].datum->datatype == FNPD_STR) && (peer->peerdi[i].data.str != NULL))
682 sq(sk, 2, peer->peerdi[i].datum->id, peer->peerdi[i].data.str, NULL);
689 static void cmd_download(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
694 struct transfer *transfer;
695 struct fnetpeer *peer;
698 if((argc > 5) && ((argc % 2) == 0))
700 sq(sk, 0, L"501", L"Must have an even number of arguments", NULL);
703 havepriv(PERM_TRANS);
704 if((*(argv[1]) >= L'0') && (*(argv[1]) <= L'9'))
706 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
708 sq(sk, 0, L"510", L"No such node", NULL);
714 if((net = findfnet(argv[1])) == NULL)
716 sq(sk, 0, L"511", L"No such network name", NULL);
720 transfer = newtransfer();
721 authgethandle(transfer->auth = data->auth);
722 transfer->fnet = net;
723 transfer->peerid = swcsdup(argv[2]);
724 transfer->path = swcsdup(argv[3]);
725 transfer->dir = TRNSD_DOWN;
726 transfer->owner = data->uid;
731 linktransfer(transfer);
732 if(((peer = fnetfindpeer(fn, transfer->peerid)) != NULL) && (peer->nick != NULL))
733 transfersetnick(transfer, peer->nick);
735 linktransfer(transfer);
738 transfersetsize(transfer, wcstol(argv[4], NULL, 0));
741 for(i = 5; i < argc; i += 2)
743 if(!wcscmp(argv[i], L"hash"))
745 transfersethash(transfer, parsehash(argv[i + 1]));
747 newwcspair(argv[i], argv[i + 1], &transfer->args);
751 sq(sk, 0, L"200", L"%%i", transfer->id, L"Download queued", NULL);
752 transfersetactivity(transfer, L"create");
755 static void cmd_lstrans(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
757 struct transfer *transfer, *pt;
759 havepriv(PERM_TRANS);
761 for(transfer = transfers; transfer != NULL; transfer = transfer->next)
763 if((transfer->dir != TRNSD_DOWN) || (transfer->owner == data->uid))
766 sq(sk, 1, L"200", L"%%i", pt->id, L"%%i", pt->dir,
767 L"%%i", pt->state, pt->peerid,
768 (pt->peernick == NULL)?L"":(pt->peernick),
769 (pt->path == NULL)?L"":(pt->path),
770 L"%%i", pt->size, L"%%i", pt->curpos,
771 (pt->hash == NULL)?L"":unparsehash(pt->hash),
777 sq(sk, 0, L"201", L"No transfers", NULL);
779 sq(sk, 0, L"200", L"%%i", pt->id, L"%%i", pt->dir,
780 L"%%i", pt->state, pt->peerid,
781 (pt->peernick == NULL)?L"":(pt->peernick),
782 (pt->path == NULL)?L"":(pt->path),
783 L"%%i", pt->size, L"%%i", pt->curpos,
784 (pt->hash == NULL)?L"":unparsehash(pt->hash),
788 static void cmd_cancel(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
790 struct transfer *transfer;
793 havepriv(PERM_TRANS);
794 if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL)
796 sq(sk, 0, L"512", L"No such transfer", NULL);
799 if((transfer->dir == TRNSD_UP) && !(data->userinfo->perms & PERM_TRANSCU))
801 sq(sk, 0, L"502", L"You are not allowed to cancel uploads", NULL);
804 if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid))
806 sq(sk, 0, L"502", L"You do not own that transfer", NULL);
810 sq(sk, 0, L"200", L"Transfer cancelled", NULL);
813 static void cmd_notify(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
819 sq(sk, 0, L"501", L"Must have an even number of arguments", NULL);
822 for(i = 1; i < argc; i += 2)
824 if(!wcscasecmp(argv[i + 1], L"on"))
828 if(!wcscasecmp(argv[i], L"all"))
834 } else if(!wcscasecmp(argv[i], L"fn:chat")) {
835 data->notify.b.fnchat = val;
836 } else if(!wcscasecmp(argv[i], L"fn:act")) {
837 data->notify.b.fnact = val;
838 } else if(!wcscasecmp(argv[i], L"fn:peer")) {
839 data->notify.b.fnpeer = val;
840 } else if(!wcscasecmp(argv[i], L"trans:act")) {
841 data->notify.b.tract = val;
842 } else if(!wcscasecmp(argv[i], L"trans:prog")) {
843 data->notify.b.trprog = val;
844 } else if(!wcscasecmp(argv[i], L"srch:act")) {
845 data->notify.b.srch = val;
848 sq(sk, 0, L"200", L"Notification alteration succeeded", NULL);
851 static void cmd_sendchat(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
858 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
860 sq(sk, 0, L"510", L"No such node", NULL);
863 public = wcstol(argv[2], NULL, 0);
864 if((public != 0) && (public != 1))
866 sq(sk, 0, L"509", L"Second argument must be 0 or 1", NULL);
869 if(fn->state != FNN_EST)
871 sq(sk, 0, L"513", L"Hub is in state FNN_EST", NULL);
874 if(fnetsendchat(fn, public, argv[3], argv[4]))
877 sq(sk, 0, L"513", L"This network does not support chatting", NULL);
878 else if(errno == EPERM)
879 sq(sk, 0, L"502", L"This node does not allow you to chat", NULL);
880 else if(errno == EILSEQ)
881 sq(sk, 0, L"504", L"This network could not support all the characters in that message", NULL);
883 sq(sk, 0, L"505", L"Could not chat", NULL);
886 sq(sk, 0, L"200", L"Chat string sent", NULL);
889 static void cmd_search(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
898 srch = newsearch(data->username, NULL);
899 for(i = 1; i < argc; i++)
901 if(!wcscmp(argv[i], L"all"))
903 for(fn = fnetnodes; fn != NULL; fn = fn->next)
905 if(fn->state == FNN_EST)
906 searchaddfn(srch, fn);
910 } else if(!wcscmp(argv[i], L"prio")) {
913 sq(sk, 0, L"501", L"No argument to prio", NULL);
917 srch->prio = wcstol(argv[i], NULL, 0);
918 } else if(iswdigit(*argv[i])) {
919 if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL)
921 sq(sk, 0, L"510", L"No such node", NULL);
925 searchaddfn(srch, fn);
930 if(srch->fnl == NULL)
932 sq(sk, 0, L"501", L"No fnetnodes to search found on line", NULL);
938 sq(sk, 0, L"501", L"No search expression found on line", NULL);
942 if((sexpr = parsesexpr(argc - i, argv + i)) == NULL)
944 sq(sk, 0, L"509", L"Could not parse search expression", NULL);
949 getsexpr(srch->sexpr = sexpr);
951 CBREG(srch, search_eta, srcheta, NULL, NULL);
952 CBREG(srch, search_commit, srchcommit, NULL, NULL);
953 CBREG(srch, search_result, srchres, NULL, NULL);
954 sq(sk, 0, L"200", L"%%i", srch->id, L"%%i", srch->eta - time(NULL), NULL);
958 static void cmd_lssrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
960 struct search *srch, *pt;
966 for(srch = searches; srch != NULL; srch = srch->next)
968 if(!wcscmp(srch->owner, data->username))
971 sq(sk, 1, L"200", L"%%i", pt->id, L"%%i", pt->state, L"%%i", pt->eta - now, L"%%i", pt->numres, NULL);
976 sq(sk, 0, L"201", L"No searches", NULL);
978 sq(sk, 0, L"200", L"%%i", pt->id, L"%%i", pt->state, L"%%i", pt->eta - now, L"%%i", pt->numres, NULL);
981 static void cmd_lssr(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
989 if((srch = findsearch(wcstol(argv[1], NULL, 0))) == NULL)
991 sq(sk, 0, L"514", L"No such search", NULL);
994 if(srch->results == NULL)
996 sq(sk, 0, L"201", L"No results", NULL);
998 for(sr = srch->results; sr != NULL; sr = sr->next)
1000 swprintf(buf, 64, L"%f", sr->time);
1001 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);
1006 static void cmd_cansrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1008 struct search *srch;
1012 havepriv(PERM_SRCH);
1013 /* Note - Programmatical user interfaces must only give one
1014 * argument per command, the multiple argument form is only for
1015 * convenience when manually controlling the daemon via
1016 * eg. telnet. The reason is that the return codes aren't clear
1017 * enough for the multiple argument form. */
1018 for(i = 1; i < argc; i++)
1020 if((srch = findsearch(wcstol(argv[i], NULL, 0))) == NULL)
1022 sq(sk, 0, L"514", L"No such search", NULL);
1027 sq(sk, 0, L"200", L"Search cancelled", NULL);
1030 static void fcmdread(struct socket *sk, struct uidata *data)
1035 if((buf = sockgetinbuf(sk, &bufsize)) == NULL)
1037 bufcat(data->fcmdbuf, buf, bufsize);
1041 static void fcmderr(struct socket *sk, int err, struct uidata *data)
1043 wchar_t *wbuf, *p, *p2;
1047 flog(LOG_WARNING, "error occurred on filtercmd pipe socket: %s", strerror(err));
1048 kill(-data->fcmdpid, SIGHUP);
1049 putsock(data->fcmdsk);
1050 data->fcmdsk = NULL;
1051 if(data->fcmdbuf != NULL)
1053 free(data->fcmdbuf);
1054 data->fcmdbuf = NULL;
1056 data->fcmdbufsize = data->fcmdbufdata = 0;
1057 sq(data->sk, 0, L"505", L"An error occurred on the pipe to the filtercmd", L"%%s", strerror(err), NULL);
1060 putsock(data->fcmdsk);
1061 data->fcmdsk = NULL;
1063 if(data->fcmdbuf == NULL)
1065 wbuf = swcsdup(L"");
1067 addtobuf(data->fcmdbuf, 0);
1068 wbuf = icmbstowcs(data->fcmdbuf, NULL);
1069 free(data->fcmdbuf);
1071 data->fcmdbuf = NULL;
1072 data->fcmdbufsize = data->fcmdbufdata = 0;
1075 sq(data->sk, 0, L"504", L"Filtercmd sent data which could not be converted from the local charset", NULL);
1079 for(p2 = wcschr(p, L'\n'); p2 != NULL; p2 = wcschr(p, L'\n'))
1082 sq(data->sk, (*p2 == L'\0')?0:1, L"200", L"%%ls", p, NULL);
1088 sq(data->sk, 0, L"201", L"No data returned", NULL);
1090 sq(data->sk, 0, L"200", L"%%ls", p, NULL);
1095 static void cmd_filtercmd(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1101 char *filtercmd, *argbuf;
1102 size_t cargvsize, cargvdata;
1103 struct passwd *pwent;
1106 havepriv(PERM_TRANS);
1107 if((pwent = getpwuid(data->uid)) == NULL)
1109 flog(LOG_WARNING, "no passwd entry for UI user %i", data->uid);
1110 sq(sk, 0, L"505", L"System error - Could not fork session", "Internal error", NULL);
1113 if((filtercmd = findfile(icswcstombs(confgetstr("ui", "filtercmd"), NULL, NULL), "dcdl-filtercmd", pwent->pw_dir)) == NULL)
1115 flog(LOG_WARNING, "could not find filtercmd executable for user %s", pwent->pw_name);
1116 sq(sk, 0, L"505", L"System error - Could not fork session", L"Could not find filtercmd executable", NULL);
1120 cargvsize = cargvdata = 0;
1121 addtobuf(cargv, filtercmd);
1122 for(i = 1; i < argc; i++)
1124 if((argbuf = icwcstombs(argv[i], NULL)) == NULL)
1126 for(i = 0; i < cargvdata; i++)
1129 sq(sk, 0, L"504", L"%Could not convert argument %i into local character set", i, L"%%s", strerror(errno), NULL);
1132 addtobuf(cargv, argbuf);
1134 addtobuf(cargv, NULL);
1135 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)
1137 flog(LOG_WARNING, "could not fork session in filtercmd: %s", strerror(errno));
1138 sq(sk, 0, L"505", L"System error - Could not fork session", L"%%s", strerror(errno), NULL);
1143 execv(filtercmd, cargv);
1144 flog(LOG_WARNING, "could not exec filtercmd %s: %s", filtercmd, strerror(errno));
1147 for(pp = cargv; *pp; pp++)
1150 data->fcmdsk = wrapsock(pipe);
1151 data->fcmdpid = pid;
1152 if(data->fcmdbuf != NULL)
1154 free(data->fcmdbuf);
1155 data->fcmdbuf = NULL;
1157 data->fcmdbufsize = data->fcmdbufdata = 0;
1158 data->fcmdsk->data = data;
1159 data->fcmdsk->readcb = (void (*)(struct socket *, void *))fcmdread;
1160 data->fcmdsk->errcb = (void (*)(struct socket *, int, void *))fcmderr;
1163 static void cmd_lstrarg(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1165 struct transfer *transfer;
1169 havepriv(PERM_TRANS);
1170 if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL)
1172 sq(sk, 0, L"512", L"No such transfer", NULL);
1175 if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid))
1177 sq(sk, 0, L"502", L"You do not own that transfer", NULL);
1180 if(transfer->args == NULL)
1182 sq(sk, 0, L"201", L"Transfer has no arguments", NULL);
1184 for(ta = transfer->args; ta != NULL; ta = ta->next)
1185 sq(sk, ta->next != NULL, L"200", L"%%ls", ta->key, L"%%ls", ta->val, NULL);
1189 static void cmd_hashstatus(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1191 struct sharecache *node;
1195 for(node = shareroot->child; node != NULL; node = nextscnode(node))
1197 if(node->f.b.type == FILE_REG)
1200 if(node->f.b.hastth)
1204 sq(sk, 0, L"200", L"%%i", total, L"tth", L"%%i", hashed, NULL);
1211 * Reserved command numbers for nameless commands:
1212 * 0: Issued when a client has connected
1213 * 1: Issued when a named command couldn't be found
1216 static struct command commands[] =
1218 {NULL, cmd_connect},
1219 {NULL, cmd_notfound},
1220 {L"shutdown", cmd_shutdown},
1221 {L"quit", cmd_quit},
1222 {L"lsauth", cmd_lsauth},
1223 {L"login", cmd_login},
1224 {L"pass", cmd_pass},
1225 {L"cnct", cmd_fnetconnect},
1226 {L"lsnodes", cmd_lsnodes},
1227 {L"dcnct", cmd_disconnect},
1228 {L"lspa", cmd_lspa},
1229 {L"lspeers", cmd_lspeers},
1230 {L"download", cmd_download},
1231 {L"lstrans", cmd_lstrans},
1232 {L"cancel", cmd_cancel},
1233 {L"notify", cmd_notify},
1234 {L"sendchat", cmd_sendchat},
1235 {L"search", cmd_search},
1236 {L"lssrch", cmd_lssrch},
1237 {L"lssr", cmd_lssr},
1238 {L"cansrch", cmd_cansrch},
1239 {L"filtercmd", cmd_filtercmd},
1240 {L"lstrarg", cmd_lstrarg},
1241 {L"hashstatus", cmd_hashstatus},
1245 static void freequeuecmd(struct qcommand *qcmd)
1249 if(qcmd->argv != NULL)
1251 for(i = 0; i < qcmd->argc; i++)
1252 free(qcmd->argv[i]);
1258 static struct qcommand *unlinkqcmd(struct uidata *data)
1260 struct qcommand *qcmd;
1265 data->queue = qcmd->next;
1266 if(qcmd == data->queuelast)
1267 data->queuelast = qcmd->next;
1272 static void notifappendv(struct notif *notif, va_list args)
1276 while((dt = va_arg(args, int)) != NOTIF_END)
1279 notif->argv = realloc(notif->argv, sizeof(*notif->argv) * ++notif->argc);
1280 notif->argv[ca].dt = dt;
1285 notif->argv[ca].d.n = va_arg(args, int);
1288 notif->argv[ca].d.s = wcsdup(va_arg(args, wchar_t *));
1291 notif->argv[ca].d.d = va_arg(args, double);
1297 static void notifappend(struct notif *notif, ...)
1301 va_start(args, notif);
1302 notifappendv(notif, args);
1306 static struct notif *newnotif(struct uidata *data, int code, ...)
1308 struct notif *notif;
1311 notif = smalloc(sizeof(*notif));
1312 memset(notif, 0, sizeof(*notif));
1313 notif->rlimit = 0.0;
1316 va_start(args, code);
1317 notifappendv(notif, args);
1320 notif->prev = data->lnotif;
1321 if(data->lnotif != NULL)
1322 data->lnotif->next = notif;
1324 data->fnotif = notif;
1325 data->lnotif = notif;
1329 static void freenotif(struct notif *notif)
1333 if(notif->next != NULL)
1334 notif->next->prev = notif->prev;
1335 if(notif->prev != NULL)
1336 notif->prev->next = notif->next;
1337 if(notif == notif->ui->fnotif)
1338 notif->ui->fnotif = notif->next;
1339 if(notif == notif->ui->lnotif)
1340 notif->ui->lnotif = notif->prev;
1341 if(notif->exptimer != NULL)
1342 canceltimer(notif->exptimer);
1343 for(i = 0; i < notif->argc; i++)
1345 if(notif->argv[i].dt == NOTIF_STR)
1346 free(notif->argv[i].d.s);
1348 if(notif->argv != NULL)
1353 static void notifexpire(int cancelled, struct notif *notif)
1355 notif->exptimer = NULL;
1360 static struct notif *findnotif(struct notif *notif, int dir, int state, int code, int id)
1364 for(; notif != NULL; notif = (dir?notif->next:notif->prev))
1366 if((notif->code == code) && ((state < 0) || (state == notif->state)))
1371 for(i = 0; i < notif->argc; i++)
1373 if((notif->argv[i].dt == NOTIF_ID) && (notif->argv[i].d.n != id))
1388 static void freeuidata(struct uidata *data)
1391 struct qcommand *qcmd;
1393 if(data->next != NULL)
1394 data->next->prev = data->prev;
1395 if(data->prev != NULL)
1396 data->prev->next = data->next;
1398 actives = data->next;
1399 data->sk->readcb = NULL;
1400 data->sk->errcb = NULL;
1402 while((qcmd = unlinkqcmd(data)) != NULL)
1404 iconv_close(data->ichandle);
1405 if(data->cw != NULL)
1407 if(data->cb != NULL)
1409 if(data->argv != NULL)
1411 for(i = 0; i < data->argc; i++)
1412 free(data->argv[i]);
1415 if(data->auth != NULL)
1416 authputhandle(data->auth);
1417 if(data->username != NULL)
1419 if(data->userinfo != NULL)
1420 flog(LOG_INFO, "%ls logged out", data->username);
1421 free(data->username);
1424 while(data->fnotif != NULL)
1425 freenotif(data->fnotif);
1426 if(data->fcmdbuf != NULL)
1427 free(data->fcmdbuf);
1428 if(data->fcmdpid != 0)
1429 kill(-data->fcmdpid, SIGHUP);
1430 if(data->fcmdsk != NULL)
1431 putsock(data->fcmdsk);
1435 static void queuecmd(struct uidata *data, struct command *cmd, int argc, wchar_t **argv)
1437 struct qcommand *new;
1439 new = smalloc(sizeof(*new));
1444 if(data->queuelast != NULL)
1445 data->queuelast->next = new;
1446 data->queuelast = new;
1447 if(data->queue == NULL)
1451 static struct uidata *newuidata(struct socket *sk)
1453 struct uidata *data;
1455 data = smalloc(sizeof(*data));
1456 memset(data, 0, sizeof(*data));
1459 data->inbuf = smalloc(1024);
1461 if((data->ichandle = iconv_open("wchar_t", "utf-8")) == (iconv_t)-1)
1463 flog(LOG_CRIT, "iconv cannot handle UTF-8: %s", strerror(errno));
1466 data->next = actives;
1469 actives->prev = data;
1474 static void uiread(struct socket *sk, struct uidata *data)
1480 size_t datalen, len2;
1481 struct command *cur;
1483 if(data->indata > 1024)
1485 if((newbuf = sockgetinbuf(sk, &datalen)) == NULL)
1487 sizebuf(&data->inbuf, &data->inbufsize, data->indata + datalen, 1, 1);
1488 memcpy(data->inbuf + data->indata, newbuf, datalen);
1490 data->indata += datalen;
1491 if(data->cb == NULL)
1493 data->cb = smalloc(sizeof(wchar_t) * (data->cbsize = 64));
1495 data->pp = data->cb;
1500 if(data->cbsize == data->cbdata)
1502 len2 = data->pp - data->cb;
1503 data->cb = srealloc(data->cb, sizeof(wchar_t) * (data->cbsize *= 2));
1504 data->pp = data->cb + len2;
1507 p2 = (char *)(porig = (data->cb + data->cbdata));
1508 len2 = sizeof(wchar_t) * (data->cbsize - data->cbdata);
1509 ret = iconv(data->ichandle, &p1, &data->indata, &p2, &len2);
1510 memmove(data->inbuf, p1, data->indata);
1511 /* Just a sanity check */
1512 if(((p2 - ((char *)data->cb)) % sizeof(wchar_t)) != 0)
1514 flog(LOG_CRIT, "Aiya! iconv does strange things to our wchar_t's!");
1517 data->cbdata += (((wchar_t *)p2) - porig);
1523 /* XXX: Should this really just ignore it? */
1531 /* Just a sanity check */
1532 if(data->cbsize != data->cbdata)
1534 flog(LOG_CRIT, "Aiya! iconv doesn't give us wchar_t's!");
1539 flog(LOG_WARNING, "bug: strange error from iconv in uiread: %s", strerror(errno));
1547 while(!done && (data->pp - data->cb < data->cbdata))
1552 if(iswspace(*data->pp))
1554 if(*data->pp == L'\r')
1556 if(data->pp == data->cb + data->cbdata - 1)
1561 if(*(++data->pp) == L'\n')
1563 if((data->argv != NULL) && (data->argv[0] != NULL))
1565 for(cur = commands; cur->handler != NULL; cur++)
1567 if(cur->name == NULL)
1569 if(!wcscasecmp(cur->name, data->argv[0]))
1571 queuecmd(data, cur, data->argc, data->argv);
1575 if(cur->handler == NULL)
1576 queuecmd(data, &commands[1], data->argc, data->argv);
1578 queuecmd(data, &commands[1], data->argc, data->argv);
1583 wmemmove(data->cb, data->pp, data->cbdata -= (data->pp - data->cb));
1584 data->pp = data->cb;
1597 if(iswspace(*data->pp))
1599 addtobuf(data->cw, L'\0');
1600 sizebuf(&data->argv, &data->args, data->argc + 1, sizeof(*data->argv), 1);
1601 data->argv[data->argc++] = data->cw;
1606 } else if(*data->pp == L'\"') {
1609 } else if(*data->pp == L'\\') {
1610 if(data->pp == data->cb + data->cbdata - 1)
1615 addtobuf(data->cw, *(++data->pp));
1618 addtobuf(data->cw, *(data->pp++));
1622 if(*data->pp == L'\"')
1625 } else if(*data->pp == L'\\') {
1626 if(data->pp == data->cb + data->cbdata - 1)
1631 addtobuf(data->cw, *(++(data->pp)));
1633 addtobuf(data->cw, *data->pp);
1641 static void uierror(struct socket *sk, int err, struct uidata *data)
1644 flog(LOG_WARNING, "error occurred on UI socket: %s", strerror(err));
1648 static void uiaccept(struct socket *sk, struct socket *newsk, void *data)
1650 struct uidata *uidata;
1652 newsk->data = uidata = newuidata(newsk);
1653 socksettos(newsk, confgetint("ui", "uitos"));
1656 newsk->errcb = (void (*)(struct socket *, int, void *))uierror;
1657 newsk->readcb = (void (*)(struct socket *, void *))uiread;
1658 queuecmd(uidata, &commands[0], 0, NULL);
1661 static int srcheta(struct search *srch, void *uudata)
1663 struct uidata *data;
1665 for(data = actives; data != NULL; data = data->next)
1667 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
1668 newnotif(data, 620, NOTIF_ID, srch->id, NOTIF_INT, srch->eta - time(NULL), NOTIF_END);
1673 static int srchcommit(struct search *srch, void *uudata)
1675 struct uidata *data;
1677 for(data = actives; data != NULL; data = data->next)
1679 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
1680 newnotif(data, 621, NOTIF_ID, srch->id, NOTIF_END);
1685 static int srchres(struct search *srch, struct srchres *sr, void *uudata)
1687 struct uidata *data;
1689 for(data = actives; data != NULL; data = data->next)
1691 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
1693 newnotif(data, 622, NOTIF_ID, srch->id, NOTIF_STR, sr->filename, NOTIF_STR, sr->fnet->name, NOTIF_STR, sr->peerid, NOTIF_INT, sr->size,
1694 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);
1700 static int recvchat(struct fnetnode *fn, int public, wchar_t *name, wchar_t *peer, wchar_t *string, void *uudata)
1702 struct uidata *data;
1704 for(data = actives; data != NULL; data = data->next)
1706 if(haspriv(data, PERM_CHAT) && data->notify.b.fnchat)
1707 newnotif(data, 600, NOTIF_ID, fn->id, NOTIF_INT, public, NOTIF_STR, name, NOTIF_STR, peer, NOTIF_STR, string, NOTIF_END);
1712 static int fnactive(struct fnetnode *fn, wchar_t *attrib, void *uudata)
1714 struct uidata *data;
1715 struct notif *notif;
1717 if(!wcscmp(attrib, L"state"))
1719 for(data = actives; data != NULL; data = data->next)
1721 if(data->notify.b.fnact)
1722 newnotif(data, 601, NOTIF_ID, fn->id, NOTIF_INT, fn->state, NOTIF_END);
1724 } else if(!wcscmp(attrib, L"name")) {
1725 for(data = actives; data != NULL; data = data->next)
1727 if(data->notify.b.fnact)
1728 newnotif(data, 602, NOTIF_ID, fn->id, NOTIF_STR, fn->name, NOTIF_END);
1730 } else if(!wcscmp(attrib, L"numpeers")) {
1731 for(data = actives; data != NULL; data = data->next)
1733 if(data->notify.b.fnact)
1735 if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 605, fn->id)) != NULL)
1736 notif->argv[1].d.n = fn->numpeers;
1738 newnotif(data, 605, NOTIF_ID, fn->id, NOTIF_INT, fn->numpeers, NOTIF_END)->rlimit = 0.5;
1745 static int fnunlink(struct fnetnode *fn, void *uudata)
1747 struct uidata *data;
1749 for(data = actives; data != NULL; data = data->next)
1751 if(data->notify.b.fnact)
1752 newnotif(data, 603, NOTIF_ID, fn->id, NOTIF_END);
1757 static int peernew(struct fnetnode *fn, struct fnetpeer *peer, void *uudata)
1759 struct uidata *data;
1761 for(data = actives; data != NULL; data = data->next)
1763 if(data->notify.b.fnpeer)
1764 newnotif(data, 630, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_STR, peer->nick, NOTIF_END);
1769 static int peerdel(struct fnetnode *fn, struct fnetpeer *peer, void *uudata)
1771 struct uidata *data;
1773 for(data = actives; data != NULL; data = data->next)
1775 if(data->notify.b.fnpeer)
1776 newnotif(data, 631, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_END);
1781 static int peerchange(struct fnetnode *fn, struct fnetpeer *peer, struct fnetpeerdi *di, void *uudata)
1783 struct uidata *data;
1784 struct notif *notif;
1787 for(data = actives; data != NULL; data = data->next)
1789 if(data->notify.b.fnpeer)
1791 for(notif = data->fnotif; notif != NULL; notif = notif->next)
1793 if((notif->code == 632) && (notif->state == NOTIF_PEND) && (notif->argv[0].d.n == fn->id) && !wcscmp(notif->argv[1].d.s, peer->id))
1797 notif = newnotif(data, 632, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_STR, peer->nick, NOTIF_END);
1798 notifappend(notif, NOTIF_STR, di->datum->id, NOTIF_INT, di->datum->datatype, NOTIF_END);
1799 switch(di->datum->datatype)
1802 notifappend(notif, NOTIF_INT, di->data.num, NOTIF_END);
1805 notifappend(notif, NOTIF_STR, di->data.str, NOTIF_END);
1808 swprintf(buf, sizeof(buf) / sizeof(*buf), L"%lli", di->data.lnum);
1809 notifappend(notif, NOTIF_STR, buf, NOTIF_END);
1817 static int newfnetnode(struct fnetnode *fn, void *uudata)
1819 struct uidata *data;
1821 for(data = actives; data != NULL; data = data->next)
1823 if(data->notify.b.fnact)
1824 newnotif(data, 604, NOTIF_ID, fn->id, NOTIF_STR, fn->fnet->name, NOTIF_END);
1826 CBREG(fn, fnetnode_ac, fnactive, NULL, NULL);
1827 CBREG(fn, fnetnode_chat, recvchat, NULL, NULL);
1828 CBREG(fn, fnetnode_unlink, fnunlink, NULL, NULL);
1829 CBREG(fn, fnetpeer_new, peernew, NULL, NULL);
1830 CBREG(fn, fnetpeer_del, peerdel, NULL, NULL);
1831 CBREG(fn, fnetpeer_chdi, peerchange, NULL, NULL);
1835 static int transferchattr(struct transfer *transfer, wchar_t *attrib, void *uudata)
1837 struct uidata *data;
1839 if(!wcscmp(attrib, L"state"))
1841 for(data = actives; data != NULL; data = data->next)
1843 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1844 newnotif(data, 611, NOTIF_ID, transfer->id, NOTIF_INT, transfer->state, NOTIF_END);
1846 } else if(!wcscmp(attrib, L"nick")) {
1847 for(data = actives; data != NULL; data = data->next)
1849 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1850 newnotif(data, 612, NOTIF_ID, transfer->id, NOTIF_STR, transfer->peernick, NOTIF_END);
1852 } else if(!wcscmp(attrib, L"size")) {
1853 for(data = actives; data != NULL; data = data->next)
1855 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1856 newnotif(data, 613, NOTIF_ID, transfer->id, NOTIF_INT, transfer->size, NOTIF_END);
1858 } else if(!wcscmp(attrib, L"error")) {
1859 for(data = actives; data != NULL; data = data->next)
1861 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1862 newnotif(data, 614, NOTIF_ID, transfer->id, NOTIF_INT, transfer->error, NOTIF_END);
1864 } else if(!wcscmp(attrib, L"path")) {
1865 for(data = actives; data != NULL; data = data->next)
1867 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1868 newnotif(data, 616, NOTIF_ID, transfer->id, NOTIF_STR, transfer->path, NOTIF_END);
1870 } else if(!wcscmp(attrib, L"hash")) {
1871 for(data = actives; data != NULL; data = data->next)
1873 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1874 newnotif(data, 618, NOTIF_ID, transfer->id, NOTIF_STR, (transfer->hash == NULL)?L"":unparsehash(transfer->hash), NOTIF_END);
1880 static int transferprog(struct transfer *transfer, void *uudata)
1882 struct uidata *data;
1883 struct notif *notif;
1885 for(data = actives; data != NULL; data = data->next)
1887 if(haspriv(data, PERM_TRANS) && data->notify.b.trprog && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1889 if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 615, transfer->id)) != NULL)
1890 notif->argv[1].d.n = transfer->curpos;
1892 newnotif(data, 615, NOTIF_ID, transfer->id, NOTIF_INT, transfer->curpos, NOTIF_END)->rlimit = 0.5;
1898 static int transferdestroyed(struct transfer *transfer, void *uudata)
1900 struct uidata *data;
1902 for(data = actives; data != NULL; data = data->next)
1904 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1905 newnotif(data, 617, NOTIF_ID, transfer->id, NOTIF_END);
1910 static int newtransfernotify(struct transfer *transfer, void *uudata)
1912 struct uidata *data;
1914 for(data = actives; data != NULL; data = data->next)
1916 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1917 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);
1919 CBREG(transfer, trans_ac, transferchattr, NULL, NULL);
1920 CBREG(transfer, trans_p, transferprog, NULL, NULL);
1921 CBREG(transfer, trans_destroy, transferdestroyed, NULL, NULL);
1925 static struct uiuser *newuser(wchar_t *name, unsigned long perms)
1929 new = smalloc(sizeof(*new));
1931 new->name = swcsdup(name);
1942 static void freeuser(struct uiuser *user)
1944 if(user->next != NULL)
1945 user->next->prev = user->prev;
1946 if(user->prev != NULL)
1947 user->prev->next = user->next;
1954 static int conf_user(int argc, wchar_t **argv)
1956 int i, perms, permmod;
1957 struct uiuser *user;
1962 flog(LOG_WARNING, "not enough arguments given for user command");
1966 for(i = 2; i < argc; i++)
1968 if(!iswalpha(argv[i][0]))
1972 if(!wcscmp(p, L"disallow"))
1973 permmod = PERM_DISALLOW;
1974 if(!wcscmp(p, L"admin"))
1975 permmod = PERM_ADMIN;
1976 if(!wcscmp(p, L"fnetctl"))
1977 permmod = PERM_FNETCTL;
1978 if(!wcscmp(p, L"trans"))
1979 permmod = PERM_TRANS;
1980 if(!wcscmp(p, L"transcu"))
1981 permmod = PERM_TRANSCU;
1982 if(!wcscmp(p, L"chat"))
1983 permmod = PERM_CHAT;
1984 if(!wcscmp(p, L"srch"))
1985 permmod = PERM_SRCH;
1986 if(!wcscmp(p, L"all"))
1988 if(argv[i][0] == L'-')
1993 if((user = finduser(argv[1])) == NULL)
1995 newuser(argv[1], perms);
1998 user->perms = perms;
2003 static void preinit(int hup)
2005 struct uiuser *user;
2009 newuser(L"default", 0);
2011 for(user = users; user != NULL; user = user->next)
2013 if(!wcscmp(user->name, L"default"))
2020 static struct sockaddr *getnameforport(int port, socklen_t *len)
2022 static struct sockaddr_in6 addr;
2024 memset(&addr, 0, sizeof(addr));
2025 addr.sin6_family = AF_INET6;
2026 addr.sin6_port = htons(port);
2027 addr.sin6_addr = in6addr_any;
2029 *len = sizeof(addr);
2030 return((struct sockaddr *)&addr);
2033 static struct sockaddr *getnameforport(int port, socklen_t *len)
2035 static struct sockaddr_in addr;
2037 memset(&addr, 0, sizeof(addr));
2038 addr.sin_family = AF_INET;
2039 addr.sin_port = htons(port);
2041 *len = sizeof(addr);
2042 return((struct sockaddr *)&addr);
2046 static int portupdate(struct configvar *var, void *uudata)
2048 struct sockaddr *addr;
2050 struct socket *newsock;
2052 addr = getnameforport(var->val.num, &addrlen);
2053 if((uisocket = netcslistenlocal(SOCK_STREAM, addr, addrlen, uiaccept, NULL)) == NULL)
2055 flog(LOG_WARNING, "could not create new UI socket, reverting to old: %s", strerror(errno));
2058 if(uisocket != NULL)
2064 static int init(int hup)
2066 struct sockaddr *addr;
2068 struct uiuser *user, *next;
2072 for(user = users; user != NULL; user = next)
2081 if(uisocket != NULL)
2083 addr = getnameforport(confgetint("ui", "port"), &addrlen);
2084 if((uisocket = netcslistenlocal(SOCK_STREAM, addr, addrlen, uiaccept, NULL)) == NULL)
2086 flog(LOG_CRIT, "could not create UI socket: %s", strerror(errno));
2089 CBREG(confgetvar("ui", "port"), conf_update, portupdate, NULL, NULL);
2090 GCBREG(newfncb, newfnetnode, NULL);
2091 GCBREG(newtransfercb, newtransfernotify, NULL);
2096 static int run(void)
2099 struct uidata *data, *next;
2100 struct qcommand *qcmd;
2101 struct notif *notif, *nnotif;
2104 for(data = actives; data != NULL; data = next)
2110 for(data = actives; data != NULL; data = data->next)
2112 for(notif = data->fnotif; notif != NULL; notif = nnotif)
2114 nnotif = notif->next;
2115 if(notif->state == NOTIF_WAIT)
2118 for(i = 0; i < notif->argc; i++)
2120 if(notif->argv[i].dt == NOTIF_ID)
2122 id = notif->argv[i].d.n;
2126 if(findnotif(notif->prev, 0, -1, notif->code, id) != NULL)
2128 sq(data->sk, 2, L"%%i", notif->code, NULL);
2129 for(i = 0; i < notif->argc; i++)
2131 switch(notif->argv[i].dt)
2135 sq(data->sk, 2, L"%%i", notif->argv[i].d.n, NULL);
2138 if(notif->argv[i].d.s[0] == L'%')
2139 sq(data->sk, 2, L"%%s", notif->argv[i].d.s, NULL);
2141 sq(data->sk, 2, notif->argv[i].d.s, NULL);
2144 swprintf(buf, 64, L"%f", notif->argv[i].d.d);
2145 sq(data->sk, 2, buf, NULL);
2149 sq(data->sk, 0, NULL);
2150 if(notif->rlimit != 0)
2152 notif->state = NOTIF_WAIT;
2153 notif->exptimer = timercallback(ntime() + notif->rlimit, (void (*)(int, void *))notifexpire, notif);
2158 if((qcmd = unlinkqcmd(data)) != NULL)
2160 qcmd->cmd->handler(data->sk, data, qcmd->argc, qcmd->argv);
2168 static void terminate(void)
2170 while(users != NULL)
2174 static struct configvar myvars[] =
2176 {CONF_VAR_BOOL, "onlylocal", {.num = 1}},
2177 {CONF_VAR_INT, "port", {.num = 1500}},
2178 {CONF_VAR_INT, "uitos", {.num = SOCK_TOS_MINDELAY}},
2179 {CONF_VAR_STRING, "filtercmd", {.str = L"dc-filtercmd"}},
2183 static struct configcmd mycmds[] =
2185 {"user", conf_user},
2189 static struct module me =
2200 .terminate = terminate