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)
563 havepriv(PERM_FNETCTL);
564 if((buf = icwcstombs(argv[2], NULL)) == NULL)
566 sq(sk, 0, L"504", L"Could not convert data to locale charset", NULL);
569 fn = fnetinitconnect(argv[1], buf);
574 if(errno == EPROTONOSUPPORT)
575 sq(sk, 0, L"511", L"No such network name", NULL);
577 sq(sk, 0, L"509", L"Could not parse the address", L"%%s", strerror(err), NULL);
580 for(i = 3; i < argc - 1; i += 2)
582 if(!wcscmp(argv[i], L"nick"))
583 fnetsetnick(fn, argv[i + 1]);
586 fnetsetname(fn, argv[2]);
588 sq(sk, 0, L"200", L"Connection under way", NULL);
591 static void cmd_lsnodes(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
595 if(fnetnodes == NULL)
597 sq(sk, 0, L"201", L"No connected nodes", NULL);
600 for(fn = fnetnodes; fn != NULL; fn = fn->next)
602 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);
606 static void cmd_disconnect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
612 havepriv(PERM_FNETCTL);
613 /* Note - Programmatical user interfaces must only give one
614 * argument per command, the multiple argument form is only for
615 * convenience when manually controlling the daemon via
616 * eg. telnet. The reason is that the return codes aren't clear
617 * enough for the multiple argument form. */
618 for(i = 1; i < argc; i++)
620 if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL)
622 sq(sk, 0, L"510", L"No such node", NULL);
628 sq(sk, 0, L"200", L"Node flagged for disconnection", NULL);
631 static void cmd_lspa(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
634 struct fnetpeerdatum *datum;
637 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
639 sq(sk, 0, L"510", L"No such node", NULL);
642 if(fn->peerdata == NULL)
644 sq(sk, 0, L"201", L"No data available", NULL);
646 for(datum = fn->peerdata; datum != NULL; datum = datum->next)
647 sq(sk, (datum->next != NULL)?1:0, L"200", datum->id, L"%%i", datum->datatype, NULL);
651 static void cmd_lspeers(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
655 struct fnetpeer *peer;
659 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
661 sq(sk, 0, L"510", L"No such node", NULL);
664 if(fn->peers == NULL)
666 sq(sk, 0, L"201", L"No peers avaiable", NULL);
668 for(peer = fn->peers; peer != NULL; peer = peer->next)
670 sq(sk, 2 | ((peer->next != NULL)?1:0), L"200", peer->id, peer->nick, NULL);
671 for(i = 0; i < peer->dinum; i++)
673 if(peer->peerdi[i].datum->datatype == FNPD_INT)
674 sq(sk, 2, peer->peerdi[i].datum->id, L"%%i", peer->peerdi[i].data.num, NULL);
675 /* Note: A long long is not the size of an int, so
676 * sq() can't handle the conversion itself. */
677 if(peer->peerdi[i].datum->datatype == FNPD_LL)
679 swprintf(buf, 40, L"%lli", peer->peerdi[i].data.lnum);
680 sq(sk, 2, peer->peerdi[i].datum->id, buf, NULL);
682 if((peer->peerdi[i].datum->datatype == FNPD_STR) && (peer->peerdi[i].data.str != NULL))
683 sq(sk, 2, peer->peerdi[i].datum->id, peer->peerdi[i].data.str, NULL);
690 static void cmd_download(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
695 struct transfer *transfer;
696 struct fnetpeer *peer;
699 if((argc > 5) && ((argc % 2) == 0))
701 sq(sk, 0, L"501", L"Must have an even number of arguments", NULL);
704 havepriv(PERM_TRANS);
705 if((*(argv[1]) >= L'0') && (*(argv[1]) <= L'9'))
707 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
709 sq(sk, 0, L"510", L"No such node", NULL);
715 if((net = findfnet(argv[1])) == NULL)
717 sq(sk, 0, L"511", L"No such network name", NULL);
721 transfer = newtransfer();
722 authgethandle(transfer->auth = data->auth);
723 transfer->fnet = net;
724 transfer->peerid = swcsdup(argv[2]);
725 transfer->path = swcsdup(argv[3]);
726 transfer->dir = TRNSD_DOWN;
727 transfer->owner = data->uid;
732 linktransfer(transfer);
733 if(((peer = fnetfindpeer(fn, transfer->peerid)) != NULL) && (peer->nick != NULL))
734 transfersetnick(transfer, peer->nick);
736 linktransfer(transfer);
739 transfersetsize(transfer, wcstol(argv[4], NULL, 0));
742 for(i = 5; i < argc; i += 2)
744 if(!wcscmp(argv[i], L"hash"))
746 transfersethash(transfer, parsehash(argv[i + 1]));
748 transferaddarg(transfer, argv[i], argv[i + 1]);
752 sq(sk, 0, L"200", L"%%i", transfer->id, L"Download queued", NULL);
753 transfersetactivity(transfer, L"create");
756 static void cmd_lstrans(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
758 struct transfer *transfer, *pt;
760 havepriv(PERM_TRANS);
762 for(transfer = transfers; transfer != NULL; transfer = transfer->next)
764 if((transfer->dir != TRNSD_DOWN) || (transfer->owner == data->uid))
767 sq(sk, 1, L"200", L"%%i", pt->id, L"%%i", pt->dir,
768 L"%%i", pt->state, pt->peerid,
769 (pt->peernick == NULL)?L"":(pt->peernick),
770 (pt->path == NULL)?L"":(pt->path),
771 L"%%i", pt->size, L"%%i", pt->curpos,
772 (pt->hash == NULL)?L"":unparsehash(pt->hash),
778 sq(sk, 0, L"201", L"No transfers", NULL);
780 sq(sk, 0, L"200", L"%%i", pt->id, L"%%i", pt->dir,
781 L"%%i", pt->state, pt->peerid,
782 (pt->peernick == NULL)?L"":(pt->peernick),
783 (pt->path == NULL)?L"":(pt->path),
784 L"%%i", pt->size, L"%%i", pt->curpos,
785 (pt->hash == NULL)?L"":unparsehash(pt->hash),
789 static void cmd_cancel(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
791 struct transfer *transfer;
794 havepriv(PERM_TRANS);
795 if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL)
797 sq(sk, 0, L"512", L"No such transfer", NULL);
800 if((transfer->dir == TRNSD_UP) && !(data->userinfo->perms & PERM_TRANSCU))
802 sq(sk, 0, L"502", L"You are not allowed to cancel uploads", NULL);
805 if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid))
807 sq(sk, 0, L"502", L"You do not own that transfer", NULL);
811 sq(sk, 0, L"200", L"Transfer cancelled", NULL);
814 static void cmd_notify(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
820 sq(sk, 0, L"501", L"Must have an even number of arguments", NULL);
823 for(i = 1; i < argc; i += 2)
825 if(!wcscasecmp(argv[i + 1], L"on"))
829 if(!wcscasecmp(argv[i], L"all"))
835 } else if(!wcscasecmp(argv[i], L"fn:chat")) {
836 data->notify.b.fnchat = val;
837 } else if(!wcscasecmp(argv[i], L"fn:act")) {
838 data->notify.b.fnact = val;
839 } else if(!wcscasecmp(argv[i], L"fn:peer")) {
840 data->notify.b.fnpeer = val;
841 } else if(!wcscasecmp(argv[i], L"trans:act")) {
842 data->notify.b.tract = val;
843 } else if(!wcscasecmp(argv[i], L"trans:prog")) {
844 data->notify.b.trprog = val;
845 } else if(!wcscasecmp(argv[i], L"srch:act")) {
846 data->notify.b.srch = val;
849 sq(sk, 0, L"200", L"Notification alteration succeeded", NULL);
852 static void cmd_sendchat(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
859 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
861 sq(sk, 0, L"510", L"No such node", NULL);
864 public = wcstol(argv[2], NULL, 0);
865 if((public != 0) && (public != 1))
867 sq(sk, 0, L"509", L"Second argument must be 0 or 1", NULL);
870 if(fn->state != FNN_EST)
872 sq(sk, 0, L"513", L"Hub is in state FNN_EST", NULL);
875 if(fnetsendchat(fn, public, argv[3], argv[4]))
878 sq(sk, 0, L"513", L"This network does not support chatting", NULL);
879 else if(errno == EPERM)
880 sq(sk, 0, L"502", L"This node does not allow you to chat", NULL);
881 else if(errno == EILSEQ)
882 sq(sk, 0, L"504", L"This network could not support all the characters in that message", NULL);
884 sq(sk, 0, L"505", L"Could not chat", NULL);
887 sq(sk, 0, L"200", L"Chat string sent", NULL);
890 static void cmd_search(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
899 srch = newsearch(data->username, NULL);
900 for(i = 1; i < argc; i++)
902 if(!wcscmp(argv[i], L"all"))
904 for(fn = fnetnodes; fn != NULL; fn = fn->next)
906 if(fn->state == FNN_EST)
907 searchaddfn(srch, fn);
911 } else if(!wcscmp(argv[i], L"prio")) {
914 sq(sk, 0, L"501", L"No argument to prio", NULL);
918 srch->prio = wcstol(argv[i], NULL, 0);
919 } else if(iswdigit(*argv[i])) {
920 if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL)
922 sq(sk, 0, L"510", L"No such node", NULL);
926 searchaddfn(srch, fn);
931 if(srch->fnl == NULL)
933 sq(sk, 0, L"501", L"No fnetnodes to search found on line", NULL);
939 sq(sk, 0, L"501", L"No search expression found on line", NULL);
943 if((sexpr = parsesexpr(argc - i, argv + i)) == NULL)
945 sq(sk, 0, L"509", L"Could not parse search expression", NULL);
950 getsexpr(srch->sexpr = sexpr);
952 CBREG(srch, search_eta, srcheta, NULL, NULL);
953 CBREG(srch, search_commit, srchcommit, NULL, NULL);
954 CBREG(srch, search_result, srchres, NULL, NULL);
955 sq(sk, 0, L"200", L"%%i", srch->id, L"%%i", srch->eta - time(NULL), NULL);
959 static void cmd_lssrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
961 struct search *srch, *pt;
967 for(srch = searches; srch != NULL; srch = srch->next)
969 if(!wcscmp(srch->owner, data->username))
972 sq(sk, 1, L"200", L"%%i", pt->id, L"%%i", pt->state, L"%%i", pt->eta - now, L"%%i", pt->numres, NULL);
977 sq(sk, 0, L"201", L"No searches", NULL);
979 sq(sk, 0, L"200", L"%%i", pt->id, L"%%i", pt->state, L"%%i", pt->eta - now, L"%%i", pt->numres, NULL);
982 static void cmd_lssr(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
990 if((srch = findsearch(wcstol(argv[1], NULL, 0))) == NULL)
992 sq(sk, 0, L"514", L"No such search", NULL);
995 if(srch->results == NULL)
997 sq(sk, 0, L"201", L"No results", NULL);
999 for(sr = srch->results; sr != NULL; sr = sr->next)
1001 swprintf(buf, 64, L"%f", sr->time);
1002 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);
1007 static void cmd_cansrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1009 struct search *srch;
1013 havepriv(PERM_SRCH);
1014 /* Note - Programmatical user interfaces must only give one
1015 * argument per command, the multiple argument form is only for
1016 * convenience when manually controlling the daemon via
1017 * eg. telnet. The reason is that the return codes aren't clear
1018 * enough for the multiple argument form. */
1019 for(i = 1; i < argc; i++)
1021 if((srch = findsearch(wcstol(argv[i], NULL, 0))) == NULL)
1023 sq(sk, 0, L"514", L"No such search", NULL);
1028 sq(sk, 0, L"200", L"Search cancelled", NULL);
1031 static void fcmdread(struct socket *sk, struct uidata *data)
1036 if((buf = sockgetinbuf(sk, &bufsize)) == NULL)
1038 bufcat(data->fcmdbuf, buf, bufsize);
1042 static void fcmderr(struct socket *sk, int err, struct uidata *data)
1044 wchar_t *wbuf, *p, *p2;
1048 flog(LOG_WARNING, "error occurred on filtercmd pipe socket: %s", strerror(err));
1049 kill(-data->fcmdpid, SIGHUP);
1050 putsock(data->fcmdsk);
1051 data->fcmdsk = NULL;
1052 if(data->fcmdbuf != NULL)
1054 free(data->fcmdbuf);
1055 data->fcmdbuf = NULL;
1057 data->fcmdbufsize = data->fcmdbufdata = 0;
1058 sq(data->sk, 0, L"505", L"An error occurred on the pipe to the filtercmd", L"%%s", strerror(err), NULL);
1061 putsock(data->fcmdsk);
1062 data->fcmdsk = NULL;
1064 if(data->fcmdbuf == NULL)
1066 wbuf = swcsdup(L"");
1068 addtobuf(data->fcmdbuf, 0);
1069 wbuf = icmbstowcs(data->fcmdbuf, NULL);
1070 free(data->fcmdbuf);
1072 data->fcmdbuf = NULL;
1073 data->fcmdbufsize = data->fcmdbufdata = 0;
1076 sq(data->sk, 0, L"504", L"Filtercmd sent data which could not be converted from the local charset", NULL);
1080 for(p2 = wcschr(p, L'\n'); p2 != NULL; p2 = wcschr(p, L'\n'))
1083 sq(data->sk, (*p2 == L'\0')?0:1, L"200", L"%%ls", p, NULL);
1089 sq(data->sk, 0, L"201", L"No data returned", NULL);
1091 sq(data->sk, 0, L"200", L"%%ls", p, NULL);
1096 static void cmd_filtercmd(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1102 char *filtercmd, *argbuf;
1103 size_t cargvsize, cargvdata;
1104 struct passwd *pwent;
1107 havepriv(PERM_TRANS);
1108 if((pwent = getpwuid(data->uid)) == NULL)
1110 flog(LOG_WARNING, "no passwd entry for UI user %i", data->uid);
1111 sq(sk, 0, L"505", L"System error - Could not fork session", "Internal error", NULL);
1114 if((filtercmd = findfile(icswcstombs(confgetstr("ui", "filtercmd"), NULL, NULL), "dcdl-filtercmd", pwent->pw_dir)) == NULL)
1116 flog(LOG_WARNING, "could not find filtercmd executable for user %s", pwent->pw_name);
1117 sq(sk, 0, L"505", L"System error - Could not fork session", L"Could not find filtercmd executable", NULL);
1121 cargvsize = cargvdata = 0;
1122 addtobuf(cargv, filtercmd);
1123 for(i = 1; i < argc; i++)
1125 if((argbuf = icwcstombs(argv[i], NULL)) == NULL)
1127 for(i = 0; i < cargvdata; i++)
1130 sq(sk, 0, L"504", L"%Could not convert argument %i into local character set", i, L"%%s", strerror(errno), NULL);
1133 addtobuf(cargv, argbuf);
1135 addtobuf(cargv, NULL);
1136 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)
1138 flog(LOG_WARNING, "could not fork session in filtercmd: %s", strerror(errno));
1139 sq(sk, 0, L"505", L"System error - Could not fork session", L"%%s", strerror(errno), NULL);
1144 execv(filtercmd, cargv);
1145 flog(LOG_WARNING, "could not exec filtercmd %s: %s", filtercmd, strerror(errno));
1148 for(pp = cargv; *pp; pp++)
1151 data->fcmdsk = wrapsock(pipe);
1152 data->fcmdpid = pid;
1153 if(data->fcmdbuf != NULL)
1155 free(data->fcmdbuf);
1156 data->fcmdbuf = NULL;
1158 data->fcmdbufsize = data->fcmdbufdata = 0;
1159 data->fcmdsk->data = data;
1160 data->fcmdsk->readcb = (void (*)(struct socket *, void *))fcmdread;
1161 data->fcmdsk->errcb = (void (*)(struct socket *, int, void *))fcmderr;
1164 static void cmd_lstrarg(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1166 struct transfer *transfer;
1167 struct transarg *ta;
1170 havepriv(PERM_TRANS);
1171 if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL)
1173 sq(sk, 0, L"512", L"No such transfer", NULL);
1176 if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid))
1178 sq(sk, 0, L"502", L"You do not own that transfer", NULL);
1181 if(transfer->args == NULL)
1183 sq(sk, 0, L"201", L"Transfer has no arguments", NULL);
1185 for(ta = transfer->args; ta != NULL; ta = ta->next)
1186 sq(sk, ta->next != NULL, L"200", L"%%ls", ta->rec, L"%%ls", ta->val, NULL);
1190 static void cmd_hashstatus(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1192 struct sharecache *node;
1196 for(node = shareroot->child; node != NULL; node = nextscnode(node))
1198 if(node->f.b.type == FILE_REG)
1201 if(node->f.b.hastth)
1205 sq(sk, 0, L"200", L"%%i", total, L"tth", L"%%i", hashed, NULL);
1212 * Reserved command numbers for nameless commands:
1213 * 0: Issued when a client has connected
1214 * 1: Issued when a named command couldn't be found
1217 static struct command commands[] =
1219 {NULL, cmd_connect},
1220 {NULL, cmd_notfound},
1221 {L"shutdown", cmd_shutdown},
1222 {L"quit", cmd_quit},
1223 {L"lsauth", cmd_lsauth},
1224 {L"login", cmd_login},
1225 {L"pass", cmd_pass},
1226 {L"cnct", cmd_fnetconnect},
1227 {L"lsnodes", cmd_lsnodes},
1228 {L"dcnct", cmd_disconnect},
1229 {L"lspa", cmd_lspa},
1230 {L"lspeers", cmd_lspeers},
1231 {L"download", cmd_download},
1232 {L"lstrans", cmd_lstrans},
1233 {L"cancel", cmd_cancel},
1234 {L"notify", cmd_notify},
1235 {L"sendchat", cmd_sendchat},
1236 {L"search", cmd_search},
1237 {L"lssrch", cmd_lssrch},
1238 {L"lssr", cmd_lssr},
1239 {L"cansrch", cmd_cansrch},
1240 {L"filtercmd", cmd_filtercmd},
1241 {L"lstrarg", cmd_lstrarg},
1242 {L"hashstatus", cmd_hashstatus},
1246 static void freequeuecmd(struct qcommand *qcmd)
1250 if(qcmd->argv != NULL)
1252 for(i = 0; i < qcmd->argc; i++)
1253 free(qcmd->argv[i]);
1259 static struct qcommand *unlinkqcmd(struct uidata *data)
1261 struct qcommand *qcmd;
1266 data->queue = qcmd->next;
1267 if(qcmd == data->queuelast)
1268 data->queuelast = qcmd->next;
1273 static void notifappendv(struct notif *notif, va_list args)
1277 while((dt = va_arg(args, int)) != NOTIF_END)
1280 notif->argv = realloc(notif->argv, sizeof(*notif->argv) * ++notif->argc);
1281 notif->argv[ca].dt = dt;
1286 notif->argv[ca].d.n = va_arg(args, int);
1289 notif->argv[ca].d.s = wcsdup(va_arg(args, wchar_t *));
1292 notif->argv[ca].d.d = va_arg(args, double);
1298 static void notifappend(struct notif *notif, ...)
1302 va_start(args, notif);
1303 notifappendv(notif, args);
1307 static struct notif *newnotif(struct uidata *data, int code, ...)
1309 struct notif *notif;
1312 notif = smalloc(sizeof(*notif));
1313 memset(notif, 0, sizeof(*notif));
1314 notif->rlimit = 0.0;
1317 va_start(args, code);
1318 notifappendv(notif, args);
1321 notif->prev = data->lnotif;
1322 if(data->lnotif != NULL)
1323 data->lnotif->next = notif;
1325 data->fnotif = notif;
1326 data->lnotif = notif;
1330 static void freenotif(struct notif *notif)
1334 if(notif->next != NULL)
1335 notif->next->prev = notif->prev;
1336 if(notif->prev != NULL)
1337 notif->prev->next = notif->next;
1338 if(notif == notif->ui->fnotif)
1339 notif->ui->fnotif = notif->next;
1340 if(notif == notif->ui->lnotif)
1341 notif->ui->lnotif = notif->prev;
1342 if(notif->exptimer != NULL)
1343 canceltimer(notif->exptimer);
1344 for(i = 0; i < notif->argc; i++)
1346 if(notif->argv[i].dt == NOTIF_STR)
1347 free(notif->argv[i].d.s);
1349 if(notif->argv != NULL)
1354 static void notifexpire(int cancelled, struct notif *notif)
1356 notif->exptimer = NULL;
1361 static struct notif *findnotif(struct notif *notif, int dir, int state, int code, int id)
1365 for(; notif != NULL; notif = (dir?notif->next:notif->prev))
1367 if((notif->code == code) && ((state < 0) || (state == notif->state)))
1372 for(i = 0; i < notif->argc; i++)
1374 if((notif->argv[i].dt == NOTIF_ID) && (notif->argv[i].d.n != id))
1389 static void freeuidata(struct uidata *data)
1392 struct qcommand *qcmd;
1394 if(data->next != NULL)
1395 data->next->prev = data->prev;
1396 if(data->prev != NULL)
1397 data->prev->next = data->next;
1399 actives = data->next;
1400 data->sk->readcb = NULL;
1401 data->sk->errcb = NULL;
1403 while((qcmd = unlinkqcmd(data)) != NULL)
1405 iconv_close(data->ichandle);
1406 if(data->cw != NULL)
1408 if(data->cb != NULL)
1410 if(data->argv != NULL)
1412 for(i = 0; i < data->argc; i++)
1413 free(data->argv[i]);
1416 if(data->auth != NULL)
1417 authputhandle(data->auth);
1418 if(data->username != NULL)
1420 if(data->userinfo != NULL)
1421 flog(LOG_INFO, "%ls logged out", data->username);
1422 free(data->username);
1425 while(data->fnotif != NULL)
1426 freenotif(data->fnotif);
1427 if(data->fcmdbuf != NULL)
1428 free(data->fcmdbuf);
1429 if(data->fcmdpid != 0)
1430 kill(-data->fcmdpid, SIGHUP);
1431 if(data->fcmdsk != NULL)
1432 putsock(data->fcmdsk);
1436 static void queuecmd(struct uidata *data, struct command *cmd, int argc, wchar_t **argv)
1438 struct qcommand *new;
1440 new = smalloc(sizeof(*new));
1445 if(data->queuelast != NULL)
1446 data->queuelast->next = new;
1447 data->queuelast = new;
1448 if(data->queue == NULL)
1452 static struct uidata *newuidata(struct socket *sk)
1454 struct uidata *data;
1456 data = smalloc(sizeof(*data));
1457 memset(data, 0, sizeof(*data));
1460 data->inbuf = smalloc(1024);
1462 if((data->ichandle = iconv_open("wchar_t", "utf-8")) == (iconv_t)-1)
1464 flog(LOG_CRIT, "iconv cannot handle UTF-8: %s", strerror(errno));
1467 data->next = actives;
1470 actives->prev = data;
1475 static void uiread(struct socket *sk, struct uidata *data)
1481 size_t datalen, len2;
1482 struct command *cur;
1484 if(data->indata > 1024)
1486 if((newbuf = sockgetinbuf(sk, &datalen)) == NULL)
1488 sizebuf(&data->inbuf, &data->inbufsize, data->indata + datalen, 1, 1);
1489 memcpy(data->inbuf + data->indata, newbuf, datalen);
1491 data->indata += datalen;
1492 if(data->cb == NULL)
1494 data->cb = smalloc(sizeof(wchar_t) * (data->cbsize = 64));
1496 data->pp = data->cb;
1501 if(data->cbsize == data->cbdata)
1503 len2 = data->pp - data->cb;
1504 data->cb = srealloc(data->cb, sizeof(wchar_t) * (data->cbsize *= 2));
1505 data->pp = data->cb + len2;
1508 p2 = (char *)(porig = (data->cb + data->cbdata));
1509 len2 = sizeof(wchar_t) * (data->cbsize - data->cbdata);
1510 ret = iconv(data->ichandle, &p1, &data->indata, &p2, &len2);
1511 memmove(data->inbuf, p1, data->indata);
1512 /* Just a sanity check */
1513 if(((p2 - ((char *)data->cb)) % sizeof(wchar_t)) != 0)
1515 flog(LOG_CRIT, "Aiya! iconv does strange things to our wchar_t's!");
1518 data->cbdata += (((wchar_t *)p2) - porig);
1524 /* XXX: Should this really just ignore it? */
1532 /* Just a sanity check */
1533 if(data->cbsize != data->cbdata)
1535 flog(LOG_CRIT, "Aiya! iconv doesn't give us wchar_t's!");
1540 flog(LOG_WARNING, "bug: strange error from iconv in uiread: %s", strerror(errno));
1548 while(!done && (data->pp - data->cb < data->cbdata))
1553 if(iswspace(*data->pp))
1555 if(*data->pp == L'\r')
1557 if(data->pp == data->cb + data->cbdata - 1)
1562 if(*(++data->pp) == L'\n')
1564 if((data->argv != NULL) && (data->argv[0] != NULL))
1566 for(cur = commands; cur->handler != NULL; cur++)
1568 if(cur->name == NULL)
1570 if(!wcscasecmp(cur->name, data->argv[0]))
1572 queuecmd(data, cur, data->argc, data->argv);
1576 if(cur->handler == NULL)
1577 queuecmd(data, &commands[1], data->argc, data->argv);
1579 queuecmd(data, &commands[1], data->argc, data->argv);
1584 wmemmove(data->cb, data->pp, data->cbdata -= (data->pp - data->cb));
1585 data->pp = data->cb;
1598 if(iswspace(*data->pp))
1600 addtobuf(data->cw, L'\0');
1601 sizebuf(&data->argv, &data->args, data->argc + 1, sizeof(*data->argv), 1);
1602 data->argv[data->argc++] = data->cw;
1607 } else if(*data->pp == L'\"') {
1610 } else if(*data->pp == L'\\') {
1611 if(data->pp == data->cb + data->cbdata - 1)
1616 addtobuf(data->cw, *(++data->pp));
1619 addtobuf(data->cw, *(data->pp++));
1623 if(*data->pp == L'\"')
1626 } else if(*data->pp == L'\\') {
1627 if(data->pp == data->cb + data->cbdata - 1)
1632 addtobuf(data->cw, *(++(data->pp)));
1634 addtobuf(data->cw, *data->pp);
1642 static void uierror(struct socket *sk, int err, struct uidata *data)
1645 flog(LOG_WARNING, "error occurred on UI socket: %s", strerror(err));
1649 static void uiaccept(struct socket *sk, struct socket *newsk, void *data)
1651 struct uidata *uidata;
1653 newsk->data = uidata = newuidata(newsk);
1654 socksettos(newsk, confgetint("ui", "uitos"));
1657 newsk->errcb = (void (*)(struct socket *, int, void *))uierror;
1658 newsk->readcb = (void (*)(struct socket *, void *))uiread;
1659 queuecmd(uidata, &commands[0], 0, NULL);
1662 static int srcheta(struct search *srch, void *uudata)
1664 struct uidata *data;
1666 for(data = actives; data != NULL; data = data->next)
1668 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
1669 newnotif(data, 620, NOTIF_ID, srch->id, NOTIF_INT, srch->eta - time(NULL), NOTIF_END);
1674 static int srchcommit(struct search *srch, void *uudata)
1676 struct uidata *data;
1678 for(data = actives; data != NULL; data = data->next)
1680 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
1681 newnotif(data, 621, NOTIF_ID, srch->id, NOTIF_END);
1686 static int srchres(struct search *srch, struct srchres *sr, void *uudata)
1688 struct uidata *data;
1690 for(data = actives; data != NULL; data = data->next)
1692 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
1694 newnotif(data, 622, NOTIF_ID, srch->id, NOTIF_STR, sr->filename, NOTIF_STR, sr->fnet->name, NOTIF_STR, sr->peerid, NOTIF_INT, sr->size,
1695 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);
1701 static int recvchat(struct fnetnode *fn, int public, wchar_t *name, wchar_t *peer, wchar_t *string, void *uudata)
1703 struct uidata *data;
1705 for(data = actives; data != NULL; data = data->next)
1707 if(haspriv(data, PERM_CHAT) && data->notify.b.fnchat)
1708 newnotif(data, 600, NOTIF_ID, fn->id, NOTIF_INT, public, NOTIF_STR, name, NOTIF_STR, peer, NOTIF_STR, string, NOTIF_END);
1713 static int fnactive(struct fnetnode *fn, wchar_t *attrib, void *uudata)
1715 struct uidata *data;
1716 struct notif *notif;
1718 if(!wcscmp(attrib, L"state"))
1720 for(data = actives; data != NULL; data = data->next)
1722 if(data->notify.b.fnact)
1723 newnotif(data, 601, NOTIF_ID, fn->id, NOTIF_INT, fn->state, NOTIF_END);
1725 } else if(!wcscmp(attrib, L"name")) {
1726 for(data = actives; data != NULL; data = data->next)
1728 if(data->notify.b.fnact)
1729 newnotif(data, 602, NOTIF_ID, fn->id, NOTIF_STR, fn->name, NOTIF_END);
1731 } else if(!wcscmp(attrib, L"numpeers")) {
1732 for(data = actives; data != NULL; data = data->next)
1734 if(data->notify.b.fnact)
1736 if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 605, fn->id)) != NULL)
1737 notif->argv[1].d.n = fn->numpeers;
1739 newnotif(data, 605, NOTIF_ID, fn->id, NOTIF_INT, fn->numpeers, NOTIF_END)->rlimit = 0.5;
1746 static int fnunlink(struct fnetnode *fn, void *uudata)
1748 struct uidata *data;
1750 for(data = actives; data != NULL; data = data->next)
1752 if(data->notify.b.fnact)
1753 newnotif(data, 603, NOTIF_ID, fn->id, NOTIF_END);
1758 static int peernew(struct fnetnode *fn, struct fnetpeer *peer, void *uudata)
1760 struct uidata *data;
1762 for(data = actives; data != NULL; data = data->next)
1764 if(data->notify.b.fnpeer)
1765 newnotif(data, 630, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_STR, peer->nick, NOTIF_END);
1770 static int peerdel(struct fnetnode *fn, struct fnetpeer *peer, void *uudata)
1772 struct uidata *data;
1774 for(data = actives; data != NULL; data = data->next)
1776 if(data->notify.b.fnpeer)
1777 newnotif(data, 631, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_END);
1782 static int peerchange(struct fnetnode *fn, struct fnetpeer *peer, struct fnetpeerdi *di, void *uudata)
1784 struct uidata *data;
1785 struct notif *notif;
1788 for(data = actives; data != NULL; data = data->next)
1790 if(data->notify.b.fnpeer)
1792 for(notif = data->fnotif; notif != NULL; notif = notif->next)
1794 if((notif->code == 632) && (notif->state == NOTIF_PEND) && (notif->argv[0].d.n == fn->id) && !wcscmp(notif->argv[1].d.s, peer->id))
1798 notif = newnotif(data, 632, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_STR, peer->nick, NOTIF_END);
1799 notifappend(notif, NOTIF_STR, di->datum->id, NOTIF_INT, di->datum->datatype, NOTIF_END);
1800 switch(di->datum->datatype)
1803 notifappend(notif, NOTIF_INT, di->data.num, NOTIF_END);
1806 notifappend(notif, NOTIF_STR, di->data.str, NOTIF_END);
1809 swprintf(buf, sizeof(buf) / sizeof(*buf), L"%lli", di->data.lnum);
1810 notifappend(notif, NOTIF_STR, buf, NOTIF_END);
1818 static int newfnetnode(struct fnetnode *fn, void *uudata)
1820 struct uidata *data;
1822 for(data = actives; data != NULL; data = data->next)
1824 if(data->notify.b.fnact)
1825 newnotif(data, 604, NOTIF_ID, fn->id, NOTIF_STR, fn->fnet->name, NOTIF_END);
1827 CBREG(fn, fnetnode_ac, fnactive, NULL, NULL);
1828 CBREG(fn, fnetnode_chat, recvchat, NULL, NULL);
1829 CBREG(fn, fnetnode_unlink, fnunlink, NULL, NULL);
1830 CBREG(fn, fnetpeer_new, peernew, NULL, NULL);
1831 CBREG(fn, fnetpeer_del, peerdel, NULL, NULL);
1832 CBREG(fn, fnetpeer_chdi, peerchange, NULL, NULL);
1836 static int transferchattr(struct transfer *transfer, wchar_t *attrib, void *uudata)
1838 struct uidata *data;
1840 if(!wcscmp(attrib, L"state"))
1842 for(data = actives; data != NULL; data = data->next)
1844 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1845 newnotif(data, 611, NOTIF_ID, transfer->id, NOTIF_INT, transfer->state, NOTIF_END);
1847 } else if(!wcscmp(attrib, L"nick")) {
1848 for(data = actives; data != NULL; data = data->next)
1850 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1851 newnotif(data, 612, NOTIF_ID, transfer->id, NOTIF_STR, transfer->peernick, NOTIF_END);
1853 } else if(!wcscmp(attrib, L"size")) {
1854 for(data = actives; data != NULL; data = data->next)
1856 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1857 newnotif(data, 613, NOTIF_ID, transfer->id, NOTIF_INT, transfer->size, NOTIF_END);
1859 } else if(!wcscmp(attrib, L"error")) {
1860 for(data = actives; data != NULL; data = data->next)
1862 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1863 newnotif(data, 614, NOTIF_ID, transfer->id, NOTIF_INT, transfer->error, NOTIF_END);
1865 } else if(!wcscmp(attrib, L"path")) {
1866 for(data = actives; data != NULL; data = data->next)
1868 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1869 newnotif(data, 616, NOTIF_ID, transfer->id, NOTIF_STR, transfer->path, NOTIF_END);
1871 } else if(!wcscmp(attrib, L"hash")) {
1872 for(data = actives; data != NULL; data = data->next)
1874 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1875 newnotif(data, 618, NOTIF_ID, transfer->id, NOTIF_STR, (transfer->hash == NULL)?L"":unparsehash(transfer->hash), NOTIF_END);
1881 static int transferprog(struct transfer *transfer, void *uudata)
1883 struct uidata *data;
1884 struct notif *notif;
1886 for(data = actives; data != NULL; data = data->next)
1888 if(haspriv(data, PERM_TRANS) && data->notify.b.trprog && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1890 if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 615, transfer->id)) != NULL)
1891 notif->argv[1].d.n = transfer->curpos;
1893 newnotif(data, 615, NOTIF_ID, transfer->id, NOTIF_INT, transfer->curpos, NOTIF_END)->rlimit = 0.5;
1899 static int transferdestroyed(struct transfer *transfer, void *uudata)
1901 struct uidata *data;
1903 for(data = actives; data != NULL; data = data->next)
1905 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1906 newnotif(data, 617, NOTIF_ID, transfer->id, NOTIF_END);
1911 static int newtransfernotify(struct transfer *transfer, void *uudata)
1913 struct uidata *data;
1915 for(data = actives; data != NULL; data = data->next)
1917 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1918 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);
1920 CBREG(transfer, trans_ac, transferchattr, NULL, NULL);
1921 CBREG(transfer, trans_p, transferprog, NULL, NULL);
1922 CBREG(transfer, trans_destroy, transferdestroyed, NULL, NULL);
1926 static struct uiuser *newuser(wchar_t *name, unsigned long perms)
1930 new = smalloc(sizeof(*new));
1932 new->name = swcsdup(name);
1943 static void freeuser(struct uiuser *user)
1945 if(user->next != NULL)
1946 user->next->prev = user->prev;
1947 if(user->prev != NULL)
1948 user->prev->next = user->next;
1955 static int conf_user(int argc, wchar_t **argv)
1957 int i, perms, permmod;
1958 struct uiuser *user;
1963 flog(LOG_WARNING, "not enough arguments given for user command");
1967 for(i = 2; i < argc; i++)
1969 if(!iswalpha(argv[i][0]))
1973 if(!wcscmp(p, L"disallow"))
1974 permmod = PERM_DISALLOW;
1975 if(!wcscmp(p, L"admin"))
1976 permmod = PERM_ADMIN;
1977 if(!wcscmp(p, L"fnetctl"))
1978 permmod = PERM_FNETCTL;
1979 if(!wcscmp(p, L"trans"))
1980 permmod = PERM_TRANS;
1981 if(!wcscmp(p, L"transcu"))
1982 permmod = PERM_TRANSCU;
1983 if(!wcscmp(p, L"chat"))
1984 permmod = PERM_CHAT;
1985 if(!wcscmp(p, L"srch"))
1986 permmod = PERM_SRCH;
1987 if(!wcscmp(p, L"all"))
1989 if(argv[i][0] == L'-')
1994 if((user = finduser(argv[1])) == NULL)
1996 newuser(argv[1], perms);
1999 user->perms = perms;
2004 static void preinit(int hup)
2006 struct uiuser *user;
2010 newuser(L"default", 0);
2012 for(user = users; user != NULL; user = user->next)
2014 if(!wcscmp(user->name, L"default"))
2021 static struct sockaddr *getnameforport(int port, socklen_t *len)
2023 static struct sockaddr_in6 addr;
2025 memset(&addr, 0, sizeof(addr));
2026 addr.sin6_family = AF_INET6;
2027 addr.sin6_port = htons(port);
2028 addr.sin6_addr = in6addr_any;
2030 *len = sizeof(addr);
2031 return((struct sockaddr *)&addr);
2034 static struct sockaddr *getnameforport(int port, socklen_t *len)
2036 static struct sockaddr_in addr;
2038 memset(&addr, 0, sizeof(addr));
2039 addr.sin_family = AF_INET;
2040 addr.sin_port = htons(port);
2042 *len = sizeof(addr);
2043 return((struct sockaddr *)&addr);
2047 static int portupdate(struct configvar *var, void *uudata)
2049 struct sockaddr *addr;
2051 struct socket *newsock;
2053 addr = getnameforport(var->val.num, &addrlen);
2054 if((uisocket = netcslistenlocal(SOCK_STREAM, addr, addrlen, uiaccept, NULL)) == NULL)
2056 flog(LOG_WARNING, "could not create new UI socket, reverting to old: %s", strerror(errno));
2059 if(uisocket != NULL)
2065 static int init(int hup)
2067 struct sockaddr *addr;
2069 struct uiuser *user, *next;
2073 for(user = users; user != NULL; user = next)
2082 if(uisocket != NULL)
2084 addr = getnameforport(confgetint("ui", "port"), &addrlen);
2085 if((uisocket = netcslistenlocal(SOCK_STREAM, addr, addrlen, uiaccept, NULL)) == NULL)
2087 flog(LOG_CRIT, "could not create UI socket: %s", strerror(errno));
2090 CBREG(confgetvar("ui", "port"), conf_update, portupdate, NULL, NULL);
2091 GCBREG(newfncb, newfnetnode, NULL);
2092 GCBREG(newtransfercb, newtransfernotify, NULL);
2097 static int run(void)
2100 struct uidata *data, *next;
2101 struct qcommand *qcmd;
2102 struct notif *notif, *nnotif;
2105 for(data = actives; data != NULL; data = next)
2111 for(data = actives; data != NULL; data = data->next)
2113 for(notif = data->fnotif; notif != NULL; notif = nnotif)
2115 nnotif = notif->next;
2116 if(notif->state == NOTIF_WAIT)
2119 for(i = 0; i < notif->argc; i++)
2121 if(notif->argv[i].dt == NOTIF_ID)
2123 id = notif->argv[i].d.n;
2127 if(findnotif(notif->prev, 0, -1, notif->code, id) != NULL)
2129 sq(data->sk, 2, L"%%i", notif->code, NULL);
2130 for(i = 0; i < notif->argc; i++)
2132 switch(notif->argv[i].dt)
2136 sq(data->sk, 2, L"%%i", notif->argv[i].d.n, NULL);
2139 if(notif->argv[i].d.s[0] == L'%')
2140 sq(data->sk, 2, L"%%s", notif->argv[i].d.s, NULL);
2142 sq(data->sk, 2, notif->argv[i].d.s, NULL);
2145 swprintf(buf, 64, L"%f", notif->argv[i].d.d);
2146 sq(data->sk, 2, buf, NULL);
2150 sq(data->sk, 0, NULL);
2151 if(notif->rlimit != 0)
2153 notif->state = NOTIF_WAIT;
2154 notif->exptimer = timercallback(ntime() + notif->rlimit, (void (*)(int, void *))notifexpire, notif);
2159 if((qcmd = unlinkqcmd(data)) != NULL)
2161 qcmd->cmd->handler(data->sk, data, qcmd->argc, qcmd->argv);
2169 static void terminate(void)
2171 while(users != NULL)
2175 static struct configvar myvars[] =
2177 {CONF_VAR_BOOL, "onlylocal", {.num = 1}},
2178 {CONF_VAR_INT, "port", {.num = 1500}},
2179 {CONF_VAR_INT, "uitos", {.num = SOCK_TOS_MINDELAY}},
2180 {CONF_VAR_STRING, "filtercmd", {.str = L"dc-filtercmd"}},
2184 static struct configcmd mycmds[] =
2186 {"user", conf_user},
2190 static struct module me =
2201 .terminate = terminate