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
22 #include <sys/socket.h>
23 #include <netinet/in.h>
24 #include <netinet/ip6.h>
25 #include <arpa/inet.h>
47 #include "sysevents.h"
53 #define PERM_DISALLOW 1
55 #define PERM_FNETCTL 4
57 #define PERM_TRANSCU 16
75 void (*handler)(struct socket *sk, struct uidata *data, int argc, wchar_t **argv);
80 struct qcommand *next;
88 struct uiuser *next, *prev;
97 struct notif *next, *prev;
103 struct timer *exptimer;
119 struct uidata *next, *prev;
121 struct qcommand *queue, *queuelast;
123 struct authhandle *auth;
140 struct uiuser *userinfo;
144 struct notif *fnotif, *lnotif;
146 size_t fcmdbufdata, fcmdbufsize;
148 struct socket *fcmdsk;
151 size_t inbufsize, indata;
152 /* Wordset storage */
155 /* WCS conversation stuff */
156 wchar_t *cb; /* Conversation buffer */
157 size_t cbsize, cbdata;
160 int ps; /* Parser state */
161 wchar_t *pp; /* Current parse pointer */
162 wchar_t *cw; /* Current word (building storage) */
163 size_t cwsize, cwdata;
166 static int srcheta(struct search *srch, void *uudata);
167 static int srchcommit(struct search *srch, void *uudata);
168 static int srchres(struct search *srch, struct srchres *sr, void *uudata);
169 static struct notif *newnotif(struct uidata *data, int code, ...);
170 static void notifappend(struct notif *notif, ...);
172 struct uiuser *users = NULL;
173 struct uidata *actives = NULL;
174 struct lport *tcpsocket = NULL;
175 struct lport *unixsocket = NULL;
176 static time_t starttime;
178 static wchar_t *quoteword(wchar_t *word)
180 wchar_t *wp, *buf, *bp;
190 for(wp = word; *wp != L'\0'; wp++)
192 if(!dq && iswspace(*wp))
194 if((*wp == L'\\') || (*wp == L'\"'))
201 bp = buf = smalloc(sizeof(wchar_t) * (numc + numbs + (dq?2:0) + 1));
204 for(wp = word; *wp != L'\0'; wp++)
206 if((*wp == L'\\') || (*wp == L'\"'))
216 static void sq(struct socket *sk, int cont, ...)
222 wchar_t *part, *tpart;
223 size_t bufsize, bufdata;
226 bufsize = bufdata = 0;
229 while((part = va_arg(al, wchar_t *)) != NULL)
235 if(!wcscmp(tpart, L"i"))
238 part = swprintf2(L"%i", va_arg(al, int));
239 } else if(!wcscmp(tpart, L"zi")) {
241 part = swprintf2(L"%zi", va_arg(al, size_t));
242 } else if(!wcscmp(tpart, L"oi")) {
244 part = swprintf2(L"%ji", (intmax_t)va_arg(al, off_t));
245 } else if(!wcscmp(tpart, L"s")) {
247 part = icmbstowcs(sarg = va_arg(al, char *), NULL);
252 flog(LOG_ERR, "could not convert local string to wcs: %s", sarg);
254 } else if(!wcscmp(tpart, L"ls")) {
255 part = va_arg(al, wchar_t *);
256 } else if(!wcscmp(tpart, L"ll")) {
258 part = swprintf2(L"%lli", va_arg(al, long long));
259 } else if(!wcscmp(tpart, L"f")) {
261 part = swprintf2(L"%f", va_arg(al, double));
262 } else if(!wcscmp(tpart, L"x")) {
264 part = swprintf2(L"%x", va_arg(al, int));
266 flog(LOG_CRIT, "BUG: unknown type code in sq: %ls", tpart);
270 if((tpart = quoteword(part)) != NULL)
277 if((num > 1) || ((num == 1) && !(cont & 1)))
279 bufcat(buf, part, wcslen(part));
280 if((num == 0) && (cont & 1))
287 bufcat(buf, L" \0", 2);
289 bufcat(buf, L"\r\n\0", 3);
290 if((final = icwcstombs(buf, "utf-8")) == NULL)
292 flog(LOG_CRIT, "could not convert \"%ls\" into utf-8: %s", buf, strerror(errno));
298 sockqueue(sk, final, strlen(final));
302 struct uiuser *finduser(wchar_t *name)
306 for(user = users; user != NULL; user = user->next)
308 if(!wcscmp(user->name, name))
314 static void logout(struct uidata *data)
316 data->userinfo = NULL;
317 if(data->username != NULL)
318 free(data->username);
319 data->username = NULL;
320 if(data->auth != NULL)
321 authputhandle(data->auth);
325 static int haspriv(struct uidata *data, int perm)
327 if(data->userinfo == NULL)
329 if(data->userinfo->perms & perm)
335 /* Useful macros for the command functions: */
336 #define haveargs(n) do { if(argc < n) { sq(sk, 0, L"501", L"Wrong number of arguments", NULL); return; } } while(0)
337 #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), NULL); return; } } while(0)
339 static void cmd_connect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
342 struct in6_addr mv4lo;
343 struct sockaddr *remote;
345 if(confgetint("ui", "onlylocal"))
348 if(!sockpeeraddr(sk, &remote, NULL)) {
349 switch(remote->sa_family)
352 valid = ((struct sockaddr_in *)remote)->sin_addr.s_addr == INADDR_LOOPBACK;
355 inet_pton(AF_INET6, "::ffff:127.0.0.1", &mv4lo);
357 if(!memcmp(&((struct sockaddr_in6 *)remote)->sin6_addr, &in6addr_loopback, sizeof(in6addr_loopback)))
359 if(!memcmp(&((struct sockaddr_in6 *)remote)->sin6_addr, &mv4lo, sizeof(in6addr_loopback)))
370 sq(sk, 0, L"502", L"Only localhost connections allowed to this host", NULL);
376 sq(sk, 0, L"201", L"1", L"3", L"Dolda Connect daemon v" VERSION, NULL);
379 static void cmd_notfound(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
381 if((argv != NULL) && (argv[0] != NULL))
382 sq(sk, 0, L"500", L"Command not found", NULL);
384 sq(sk, 0, L"500", L"No command", NULL);
387 static void cmd_shutdown(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
389 extern volatile int running;
391 havepriv(PERM_ADMIN);
392 flog(LOG_NOTICE, "UI shutdown request from %ls, shutting down", data->username);
394 sq(sk, 0, L"200", L"Daemon shutting down", NULL);
397 static void cmd_quit(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
399 sq(sk, 0, L"200", L"Closing connection", NULL);
403 static void cmd_lsauth(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
405 struct authmech *mech, *prev;
408 for(mech = mechs; mech != NULL; mech = mech->next)
410 if(mech->enabled && authavailable(mech, sk))
413 sq(sk, 1, L"200", prev->name, NULL);
418 sq(sk, 0, L"201", L"No authentication methods supported", NULL);
420 sq(sk, 0, L"200", prev->name, NULL);
423 static void cmd_login(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
430 if(data->username != NULL)
432 if(data->userinfo != NULL)
433 sq(sk, 0, L"503", L"Already logged in", NULL);
435 sq(sk, 0, L"503", L"Already logging in", NULL);
438 if((buf = icwcstombs(argv[2], NULL)) == NULL)
440 sq(sk, 0, L"504", L"Could not convert username to locale charset", NULL);
443 data->username = swcsdup(argv[2]);
444 if((pwd = getpwnam(buf)) == NULL)
447 data->uid = pwd->pw_uid;
448 if((data->auth = initauth(argv[1], buf)) == NULL)
451 sq(sk, 0, L"508", L"No such authentication mechanism", NULL);
453 sq(sk, 0, L"505", L"Could not initialize authentication system", L"%s", strerror(errno), NULL);
459 switch(authenticate(data->auth, sk, NULL))
462 data->userinfo = finduser(data->username);
463 if(data->userinfo == NULL)
464 data->userinfo = finduser(L"default");
467 sq(sk, 0, L"506", L"Authentication error", NULL);
468 flog(LOG_INFO, "user %ls authenticated successfully from %s, but no account existed", data->username, formatsockpeer(sk));
470 } else if((data->userinfo == NULL) || (data->userinfo->perms & PERM_DISALLOW)) {
471 sq(sk, 0, L"506", L"Authentication error", NULL);
472 flog(LOG_INFO, "user %ls authenticated successfully from %s, but was not authorized", data->username, formatsockpeer(sk));
475 sq(sk, 0, L"200", L"Welcome", NULL);
476 flog(LOG_INFO, "%ls (UID %i) logged in from %s", data->username, data->uid, formatsockpeer(sk));
480 sq(sk, 0, L"506", L"Authentication error", L"%ls", (data->auth->text == NULL)?L"":(data->auth->text), NULL);
481 flog(LOG_INFO, "authentication failed for %ls from %s", data->username, formatsockpeer(sk));
485 switch(data->auth->prompt)
503 sq(sk, 0, L"%i", code, data->auth->text, NULL);
506 sq(sk, 0, L"505", L"System error", L"%s", strerror(errno), NULL);
510 flog(LOG_WARNING, "BUG? Non-caught return from authenticate in cmd_login");
511 sq(sk, 0, L"505", L"System error", L"%s", strerror(errno), NULL);
517 static void cmd_pass(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
523 if((buf = icwcstombs(argv[1], NULL)) == NULL)
525 sq(sk, 0, L"504", L"Could not convert data to locale charset", NULL);
528 if((data->auth == NULL) || (data->userinfo != NULL))
530 sq(sk, 0, L"507", L"Data not expected", NULL);
533 switch(authenticate(data->auth, sk, buf))
536 data->userinfo = finduser(data->username);
537 if(data->userinfo == NULL)
538 data->userinfo = finduser(L"default");
541 sq(sk, 0, L"506", L"Authentication error", NULL);
542 flog(LOG_INFO, "user %ls authenticated successfully from %s, but no account existed", data->username, formatsockpeer(sk));
544 } else if((data->userinfo == NULL) || (data->userinfo->perms & PERM_DISALLOW)) {
545 sq(sk, 0, L"506", L"Authentication error", NULL);
546 flog(LOG_INFO, "user %ls authenticated successfully from %s, but was not authorized", data->username, formatsockpeer(sk));
549 sq(sk, 0, L"200", L"Welcome", NULL);
550 flog(LOG_INFO, "%ls (UID %i) logged in from %s", data->username, data->uid, formatsockpeer(sk));
554 sq(sk, 0, L"506", L"Authentication error", L"%ls", (data->auth->text == NULL)?L"":(data->auth->text), NULL);
555 flog(LOG_INFO, "authentication failed for %ls from %s", data->username, formatsockpeer(sk));
559 switch(data->auth->prompt)
577 sq(sk, 0, L"%i", code, data->auth->text, NULL);
580 sq(sk, 0, L"505", L"System error", L"%s", strerror(errno), NULL);
584 flog(LOG_WARNING, "BUG? Non-caught return from authenticate in cmd_pass");
585 sq(sk, 0, L"505", L"System error", L"%s", strerror(errno), NULL);
592 static void cmd_fnetconnect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
598 struct wcspair *args;
601 havepriv(PERM_FNETCTL);
602 for(i = 0, fn = fnetnodes; fn != NULL; i++, fn = fn->next);
603 if((confgetint("fnet", "maxnodes") > 0) && (i >= confgetint("fnet", "maxnodes"))) {
604 sq(sk, 0, L"515", L"Too many fnetnodes connected already", NULL);
607 if((buf = icwcstombs(argv[2], NULL)) == NULL)
609 sq(sk, 0, L"504", L"Could not convert data to locale charset", NULL);
613 for(i = 3; i < argc - 1; i += 2)
614 newwcspair(argv[i], argv[i + 1], &args);
615 fn = fnetinitconnect(argv[1], data->userinfo->name, buf, args);
620 if(errno == EPROTONOSUPPORT)
621 sq(sk, 0, L"511", L"No such network name", NULL);
623 sq(sk, 0, L"509", L"Could not parse the address", L"%s", strerror(err), NULL);
627 fnetsetname(fn, argv[2]);
628 sq(sk, 0, L"200", L"%i", fn->id, L"Connection under way", NULL);
632 static void cmd_lsnodes(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
636 if(fnetnodes == NULL)
638 sq(sk, 0, L"201", L"No connected nodes", NULL);
641 for(fn = fnetnodes; fn != NULL; fn = fn->next)
643 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);
647 static void cmd_disconnect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
653 havepriv(PERM_FNETCTL);
654 /* Note - Programmatical user interfaces must only give one
655 * argument per command, the multiple argument form is only for
656 * convenience when manually controlling the daemon via
657 * eg. telnet. The reason is that the return codes aren't clear
658 * enough for the multiple argument form. */
659 for(i = 1; i < argc; i++)
661 if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL)
663 sq(sk, 0, L"510", L"No such node", NULL);
666 if(wpfind(fn->args, L"locked") && !((data->userinfo->perms & PERM_ADMIN) || !wcscmp(data->userinfo->name, fn->owner)))
668 sq(sk, 0, L"502", L"This node is locked and you are neither administrator nor its owner", NULL);
674 sq(sk, 0, L"200", L"Node flagged for disconnection", NULL);
677 static void cmd_lspa(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
680 struct fnetpeerdatum *datum;
683 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
685 sq(sk, 0, L"510", L"No such node", NULL);
688 if(fn->peerdata == NULL)
690 sq(sk, 0, L"201", L"No data available", NULL);
692 for(datum = fn->peerdata; datum != NULL; datum = datum->next)
693 sq(sk, (datum->next != NULL)?1:0, L"200", datum->id, L"%i", datum->datatype, NULL);
697 static void cmd_lspeers(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
701 struct fnetpeer *peer, *npeer;
704 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
706 sq(sk, 0, L"510", L"No such node", NULL);
709 if(fn->peers == NULL)
711 sq(sk, 0, L"201", L"No peers available", NULL);
713 for(peer = btreeiter(fn->peers); peer != NULL; peer = npeer)
715 npeer = btreeiter(NULL);
716 sq(sk, 2 | ((npeer != NULL)?1:0), L"200", L"%ls", peer->id, L"%ls", peer->nick, NULL);
717 for(i = 0; i < peer->dinum; i++)
719 if(peer->peerdi[i].datum->datatype == FNPD_INT)
720 sq(sk, 2, peer->peerdi[i].datum->id, L"%i", peer->peerdi[i].data.num, NULL);
721 if(peer->peerdi[i].datum->datatype == FNPD_LL)
722 sq(sk, 2, peer->peerdi[i].datum->id, L"%ll", peer->peerdi[i].data.lnum, NULL);
723 if((peer->peerdi[i].datum->datatype == FNPD_STR) && (peer->peerdi[i].data.str != NULL))
724 sq(sk, 2, peer->peerdi[i].datum->id, L"%ls", peer->peerdi[i].data.str, NULL);
731 static void cmd_download(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
736 struct transfer *transfer;
737 struct fnetpeer *peer;
740 if((argc > 5) && ((argc % 2) == 0))
742 sq(sk, 0, L"501", L"Must have an even number of arguments", NULL);
745 havepriv(PERM_TRANS);
746 if((*(argv[1]) >= L'0') && (*(argv[1]) <= L'9'))
748 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
750 sq(sk, 0, L"510", L"No such node", NULL);
756 if((net = findfnet(argv[1])) == NULL)
758 sq(sk, 0, L"511", L"No such network name", NULL);
762 transfer = newtransfer();
763 authgethandle(transfer->auth = data->auth);
764 transfer->fnet = net;
765 transfer->peerid = swcsdup(argv[2]);
766 transfer->path = swcsdup(argv[3]);
767 transfer->dir = TRNSD_DOWN;
768 transfer->owner = data->uid;
773 linktransfer(transfer);
774 if(((peer = fnetfindpeer(fn, transfer->peerid)) != NULL) && (peer->nick != NULL))
775 transfersetnick(transfer, peer->nick);
777 linktransfer(transfer);
780 transfersetsize(transfer, wcstoll(argv[4], NULL, 0));
783 for(i = 5; i < argc; i += 2)
785 if(!wcscmp(argv[i], L"hash"))
787 transfersethash(transfer, parsehash(argv[i + 1]));
789 newwcspair(argv[i], argv[i + 1], &transfer->args);
793 sq(sk, 0, L"200", L"%i", transfer->id, L"Download queued", NULL);
794 transfersetactivity(transfer, L"create");
797 static void cmd_lstrans(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
799 struct transfer *transfer, *pt;
801 havepriv(PERM_TRANS);
803 for(transfer = transfers; transfer != NULL; transfer = transfer->next)
805 if((transfer->dir != TRNSD_DOWN) || (transfer->owner == data->uid))
808 sq(sk, 1, L"200", L"%i", pt->id, L"%i", pt->dir,
809 L"%i", pt->state, pt->peerid,
810 (pt->peernick == NULL)?L"":(pt->peernick),
811 (pt->path == NULL)?L"":(pt->path),
812 L"%oi", pt->size, L"%oi", pt->curpos,
813 (pt->hash == NULL)?L"":unparsehash(pt->hash),
819 sq(sk, 0, L"201", L"No transfers", NULL);
821 sq(sk, 0, L"200", L"%i", pt->id, L"%i", pt->dir,
822 L"%i", pt->state, pt->peerid,
823 (pt->peernick == NULL)?L"":(pt->peernick),
824 (pt->path == NULL)?L"":(pt->path),
825 L"%oi", pt->size, L"%oi", pt->curpos,
826 (pt->hash == NULL)?L"":unparsehash(pt->hash),
830 static void cmd_cancel(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
832 struct transfer *transfer;
835 havepriv(PERM_TRANS);
836 if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL)
838 sq(sk, 0, L"512", L"No such transfer", NULL);
841 if((transfer->dir == TRNSD_UP) && !(data->userinfo->perms & PERM_TRANSCU))
843 sq(sk, 0, L"502", L"You are not allowed to cancel uploads", NULL);
846 if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid))
848 sq(sk, 0, L"502", L"You do not own that transfer", NULL);
852 sq(sk, 0, L"200", L"Transfer cancelled", NULL);
855 static void cmd_reset(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
857 struct transfer *transfer;
860 havepriv(PERM_TRANS);
861 if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL)
863 sq(sk, 0, L"512", L"No such transfer", NULL);
866 if(transfer->dir == TRNSD_UP)
868 sq(sk, 0, L"512", L"Only applicable to downloads", NULL);
871 resettransfer(transfer);
872 sq(sk, 0, L"200", L"Transfer reset", NULL);
875 static void cmd_notify(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
881 sq(sk, 0, L"501", L"Must have an even number of arguments", NULL);
884 for(i = 1; i < argc; i += 2)
886 if(!wcscasecmp(argv[i + 1], L"on"))
890 if(!wcscasecmp(argv[i], L"all"))
896 } else if(!wcscasecmp(argv[i], L"fn:chat")) {
897 data->notify.b.fnchat = val;
898 } else if(!wcscasecmp(argv[i], L"fn:act")) {
899 data->notify.b.fnact = val;
900 } else if(!wcscasecmp(argv[i], L"fn:peer")) {
901 data->notify.b.fnpeer = val;
902 } else if(!wcscasecmp(argv[i], L"trans:act")) {
903 data->notify.b.tract = val;
904 } else if(!wcscasecmp(argv[i], L"trans:prog")) {
905 data->notify.b.trprog = val;
906 } else if(!wcscasecmp(argv[i], L"srch:act")) {
907 data->notify.b.srch = val;
908 } else if(!wcscasecmp(argv[i], L"msg")) {
909 data->notify.b.msg = val;
912 sq(sk, 0, L"200", L"Notification alteration succeeded", NULL);
915 static void cmd_sendchat(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
922 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
924 sq(sk, 0, L"510", L"No such node", NULL);
927 public = wcstol(argv[2], NULL, 0);
928 if((public != 0) && (public != 1))
930 sq(sk, 0, L"509", L"Second argument must be 0 or 1", NULL);
933 if(fn->state != FNN_EST)
935 sq(sk, 0, L"513", L"Hub is in state FNN_EST", NULL);
938 if(fnetsendchat(fn, public, argv[3], argv[4]))
941 sq(sk, 0, L"513", L"This network does not support chatting", NULL);
942 else if(errno == EPERM)
943 sq(sk, 0, L"502", L"This node does not allow you to chat", NULL);
944 else if(errno == EILSEQ)
945 sq(sk, 0, L"504", L"This network could not support all the characters in that message", NULL);
947 sq(sk, 0, L"505", L"Could not chat", NULL);
950 sq(sk, 0, L"200", L"Chat string sent", NULL);
953 static void cmd_search(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
962 srch = newsearch(data->username, NULL);
963 for(i = 1; i < argc; i++)
965 if(!wcscmp(argv[i], L"all"))
967 for(fn = fnetnodes; fn != NULL; fn = fn->next)
969 if(fn->state == FNN_EST)
970 searchaddfn(srch, fn);
974 } else if(!wcscmp(argv[i], L"prio")) {
977 sq(sk, 0, L"501", L"No argument to prio", NULL);
981 srch->prio = wcstol(argv[i], NULL, 0);
982 } else if(iswdigit(*argv[i])) {
983 if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL)
985 sq(sk, 0, L"510", L"No such node", NULL);
989 searchaddfn(srch, fn);
994 if(srch->fnl == NULL)
996 sq(sk, 0, L"501", L"No fnetnodes to search found on line", NULL);
1002 sq(sk, 0, L"501", L"No search expression found on line", NULL);
1006 if((sexpr = parsesexpr(argc - i, argv + i)) == NULL)
1008 sq(sk, 0, L"509", L"Could not parse search expression", NULL);
1013 getsexpr(srch->sexpr = sexpr);
1015 CBREG(srch, search_eta, srcheta, NULL, NULL);
1016 CBREG(srch, search_commit, srchcommit, NULL, NULL);
1017 CBREG(srch, search_result, srchres, NULL, NULL);
1018 sq(sk, 0, L"200", L"%i", srch->id, L"%i", srch->eta - time(NULL), NULL);
1022 static void cmd_lssrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1024 struct search *srch, *pt;
1027 havepriv(PERM_SRCH);
1030 for(srch = searches; srch != NULL; srch = srch->next)
1032 if(!wcscmp(srch->owner, data->username))
1035 sq(sk, 1, L"200", L"%i", pt->id, L"%i", pt->state, L"%i", pt->eta - now, L"%i", pt->numres, NULL);
1040 sq(sk, 0, L"201", L"No searches", NULL);
1042 sq(sk, 0, L"200", L"%i", pt->id, L"%i", pt->state, L"%i", pt->eta - now, L"%i", pt->numres, NULL);
1045 static void cmd_lssr(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1047 struct search *srch;
1051 havepriv(PERM_SRCH);
1052 if((srch = findsearch(wcstol(argv[1], NULL, 0))) == NULL)
1054 sq(sk, 0, L"514", L"No such search", NULL);
1057 if(srch->results == NULL)
1059 sq(sk, 0, L"201", L"No results", NULL);
1061 for(sr = srch->results; sr != NULL; sr = sr->next)
1063 sq(sk, (sr->next != NULL)?1:0, L"200", L"%ls", sr->filename,
1064 sr->fnet->name, L"%ls", sr->peerid, L"%oi", sr->size,
1065 L"%i", sr->slots, L"%i", (sr->fn == NULL)?-1:(sr->fn->id),
1067 L"%ls", (sr->hash == NULL)?L"":unparsehash(sr->hash), NULL);
1072 static void cmd_cansrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1074 struct search *srch;
1078 havepriv(PERM_SRCH);
1079 /* Note - Programmatical user interfaces must only give one
1080 * argument per command, the multiple argument form is only for
1081 * convenience when manually controlling the daemon via
1082 * eg. telnet. The reason is that the return codes aren't clear
1083 * enough for the multiple argument form. */
1084 for(i = 1; i < argc; i++)
1086 if((srch = findsearch(wcstol(argv[i], NULL, 0))) == NULL)
1088 sq(sk, 0, L"514", L"No such search", NULL);
1093 sq(sk, 0, L"200", L"Search cancelled", NULL);
1096 static void fcmdread(struct socket *sk, struct uidata *data)
1101 if((buf = sockgetinbuf(sk, &bufsize)) == NULL)
1103 bufcat(data->fcmdbuf, buf, bufsize);
1107 static void fcmderr(struct socket *sk, int err, struct uidata *data)
1109 wchar_t *wbuf, *p, *p2;
1113 flog(LOG_WARNING, "error occurred on filtercmd pipe socket: %s", strerror(err));
1114 kill(-data->fcmdpid, SIGHUP);
1115 putsock(data->fcmdsk);
1116 data->fcmdsk = NULL;
1117 if(data->fcmdbuf != NULL)
1119 free(data->fcmdbuf);
1120 data->fcmdbuf = NULL;
1122 data->fcmdbufsize = data->fcmdbufdata = 0;
1123 sq(data->sk, 0, L"505", L"An error occurred on the pipe to the filtercmd", L"%s", strerror(err), NULL);
1126 putsock(data->fcmdsk);
1127 data->fcmdsk = NULL;
1129 if(data->fcmdbuf == NULL)
1131 wbuf = swcsdup(L"");
1133 addtobuf(data->fcmdbuf, 0);
1134 wbuf = icmbstowcs(data->fcmdbuf, NULL);
1135 free(data->fcmdbuf);
1137 data->fcmdbuf = NULL;
1138 data->fcmdbufsize = data->fcmdbufdata = 0;
1141 sq(data->sk, 0, L"504", L"Filtercmd sent data which could not be converted from the local charset", NULL);
1145 for(p2 = wcschr(p, L'\n'); p2 != NULL; p2 = wcschr(p, L'\n'))
1148 sq(data->sk, (*p2 == L'\0')?0:1, L"200", L"%ls", p, NULL);
1154 sq(data->sk, 0, L"201", L"No data returned", NULL);
1156 sq(data->sk, 0, L"200", L"%ls", p, NULL);
1161 static void cmd_filtercmd(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1167 char *filtercmd, *argbuf;
1168 size_t cargvsize, cargvdata;
1169 struct passwd *pwent;
1172 havepriv(PERM_TRANS);
1173 if((pwent = getpwuid(data->uid)) == NULL)
1175 flog(LOG_WARNING, "no passwd entry for UI user %i", data->uid);
1176 sq(sk, 0, L"505", L"System error - Could not fork session", "Internal error", NULL);
1179 filtercmd = findfile("dc-filtercmd", pwent->pw_dir, 0);
1180 if(filtercmd == NULL)
1181 filtercmd = findfile(icswcstombs(confgetstr("ui", "filtercmd"), NULL, NULL), NULL, 0);
1182 if(filtercmd == NULL)
1184 flog(LOG_WARNING, "could not find filtercmd executable for user %s", pwent->pw_name);
1185 sq(sk, 0, L"505", L"System error - Could not fork session", L"Could not find filtercmd executable", NULL);
1189 cargvsize = cargvdata = 0;
1190 addtobuf(cargv, filtercmd);
1191 for(i = 1; i < argc; i++)
1193 if((argbuf = icwcstombs(argv[i], NULL)) == NULL)
1195 for(i = 0; i < cargvdata; i++)
1198 sq(sk, 0, L"504", L"Could not convert argument into local character set", L"%i", i, L"%s", strerror(errno), NULL);
1201 addtobuf(cargv, argbuf);
1203 addtobuf(cargv, NULL);
1204 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)
1206 flog(LOG_WARNING, "could not fork session in filtercmd: %s", strerror(errno));
1207 sq(sk, 0, L"505", L"System error - Could not fork session", L"%s", strerror(errno), NULL);
1212 execv(filtercmd, cargv);
1213 flog(LOG_WARNING, "could not exec filtercmd %s: %s", filtercmd, strerror(errno));
1216 for(pp = cargv; *pp; pp++)
1220 data->fcmdsk = wrapsock(pipe);
1221 data->fcmdpid = pid;
1222 if(data->fcmdbuf != NULL)
1224 free(data->fcmdbuf);
1225 data->fcmdbuf = NULL;
1227 data->fcmdbufsize = data->fcmdbufdata = 0;
1228 data->fcmdsk->data = data;
1229 data->fcmdsk->readcb = (void (*)(struct socket *, void *))fcmdread;
1230 data->fcmdsk->errcb = (void (*)(struct socket *, int, void *))fcmderr;
1233 static void cmd_lstrarg(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1235 struct transfer *transfer;
1239 havepriv(PERM_TRANS);
1240 if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL)
1242 sq(sk, 0, L"512", L"No such transfer", NULL);
1245 if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid))
1247 sq(sk, 0, L"502", L"You do not own that transfer", NULL);
1250 if(transfer->args == NULL)
1252 sq(sk, 0, L"201", L"Transfer has no arguments", NULL);
1254 for(ta = transfer->args; ta != NULL; ta = ta->next)
1255 sq(sk, ta->next != NULL, L"200", L"%ls", ta->key, L"%ls", ta->val, NULL);
1259 static void cmd_hashstatus(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1261 struct sharecache *node;
1265 for(node = shareroot->child; node != NULL; node = nextscnode(node))
1267 if(node->f.b.type == FILE_REG)
1270 if(node->f.b.hastth)
1274 sq(sk, 0, L"200", L"%i", total, L"tth", L"%i", hashed, NULL);
1277 static void cmd_transstatus(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1279 havepriv(PERM_TRANS);
1280 sq(sk, 0, L"200", L"down", L"%ll", bytesdownload, L"up", L"%ll", bytesupload, NULL);
1283 static void cmd_register(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1288 if(data->userinfo == NULL) {
1289 sq(sk, 0, L"502", L"Must be logged in", NULL);
1292 if(argv[1][0] == L'#') {
1293 sq(sk, 0, L"509", L"Name must not begin with a hash sign", NULL);
1296 for(d2 = actives; d2 != NULL; d2 = d2->next) {
1297 if((d2 != data) && (d2->userinfo == data->userinfo) && d2->regname && !wcscmp(d2->regname, argv[1])) {
1298 sq(sk, 0, L"516", L"Name already in use", NULL);
1302 if(data->regname != NULL)
1303 free(data->regname);
1304 data->regname = swcsdup(argv[1]);
1305 sq(sk, 0, L"200", L"Registered", NULL);
1308 static void cmd_sendmsg(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1311 struct uidata *rcpt;
1313 struct notif *notif;
1316 if(data->userinfo == NULL) {
1317 sq(sk, 0, L"502", L"Must be logged in", NULL);
1320 if(argv[1][0] == L'#') {
1321 rcptid = wcstol(argv[1] + 1, NULL, 0);
1322 for(rcpt = actives; rcpt != NULL; rcpt = rcpt->next) {
1323 if((rcpt->userinfo == data->userinfo) && (rcpt->id == rcptid))
1327 for(rcpt = actives; rcpt != NULL; rcpt = rcpt->next) {
1328 if((rcpt->userinfo == data->userinfo) && rcpt->regname && !wcscmp(rcpt->regname, argv[1]))
1333 sq(sk, 0, L"517", L"No such recipient", NULL);
1336 if(!rcpt->notify.b.msg) {
1337 sq(sk, 0, L"518", L"Recipient not listening for messages", NULL);
1340 if(data->regname != NULL)
1341 myname = swcsdup(data->regname);
1343 myname = swprintf2(L"#%i", data->id);
1344 notif = newnotif(rcpt, 640, NOTIF_STR, myname, NOTIF_END);
1345 for(i = 2; i < argc; i++)
1346 notifappend(notif, NOTIF_STR, argv[i], NOTIF_END);
1347 sq(sk, 0, L"200", L"Message sent", NULL);
1350 static void cmd_uptime(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1352 sq(sk, 0, L"200", L"%i", time(NULL) - starttime, NULL);
1355 static void cmd_hup(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1357 extern volatile int reinit;
1359 havepriv(PERM_ADMIN);
1360 flog(LOG_NOTICE, "UI HUP request from %ls", data->username);
1362 sq(sk, 0, L"200", L"Will reinit", NULL);
1369 * Reserved command numbers for nameless commands:
1370 * 0: Issued when a client has connected
1371 * 1: Issued when a named command couldn't be found
1374 static struct command commands[] =
1376 {NULL, cmd_connect},
1377 {NULL, cmd_notfound},
1378 {L"shutdown", cmd_shutdown},
1379 {L"quit", cmd_quit},
1380 {L"lsauth", cmd_lsauth},
1381 {L"login", cmd_login},
1382 {L"pass", cmd_pass},
1383 {L"cnct", cmd_fnetconnect},
1384 {L"lsnodes", cmd_lsnodes},
1385 {L"dcnct", cmd_disconnect},
1386 {L"lspa", cmd_lspa},
1387 {L"lspeers", cmd_lspeers},
1388 {L"download", cmd_download},
1389 {L"lstrans", cmd_lstrans},
1390 {L"cancel", cmd_cancel},
1391 {L"reset", cmd_reset},
1392 {L"notify", cmd_notify},
1393 {L"sendchat", cmd_sendchat},
1394 {L"search", cmd_search},
1395 {L"lssrch", cmd_lssrch},
1396 {L"lssr", cmd_lssr},
1397 {L"cansrch", cmd_cansrch},
1398 {L"filtercmd", cmd_filtercmd},
1399 {L"lstrarg", cmd_lstrarg},
1400 {L"hashstatus", cmd_hashstatus},
1401 {L"transstatus", cmd_transstatus},
1402 {L"register", cmd_register},
1403 {L"sendmsg", cmd_sendmsg},
1404 {L"uptime", cmd_uptime},
1409 static void freequeuecmd(struct qcommand *qcmd)
1413 if(qcmd->argv != NULL)
1415 for(i = 0; i < qcmd->argc; i++)
1416 free(qcmd->argv[i]);
1422 static struct qcommand *unlinkqcmd(struct uidata *data)
1424 struct qcommand *qcmd;
1430 data->queue = qcmd->next;
1431 if(qcmd == data->queuelast)
1432 data->queuelast = qcmd->next;
1437 static void notifappendv(struct notif *notif, va_list args)
1441 while((dt = va_arg(args, int)) != NOTIF_END)
1444 notif->argv = realloc(notif->argv, sizeof(*notif->argv) * ++notif->argc);
1445 notif->argv[ca].dt = dt;
1450 notif->argv[ca].d.n = va_arg(args, int);
1453 notif->argv[ca].d.o = va_arg(args, off_t);
1456 notif->argv[ca].d.s = swcsdup(va_arg(args, wchar_t *));
1459 notif->argv[ca].d.d = va_arg(args, double);
1465 static void notifappend(struct notif *notif, ...)
1469 va_start(args, notif);
1470 notifappendv(notif, args);
1474 static struct notif *newnotif(struct uidata *data, int code, ...)
1476 struct notif *notif;
1479 notif = smalloc(sizeof(*notif));
1480 memset(notif, 0, sizeof(*notif));
1481 notif->rlimit = 0.0;
1484 va_start(args, code);
1485 notifappendv(notif, args);
1488 notif->prev = data->lnotif;
1489 if(data->lnotif != NULL)
1490 data->lnotif->next = notif;
1492 data->fnotif = notif;
1493 data->lnotif = notif;
1497 static void freenotif(struct notif *notif)
1501 if(notif->next != NULL)
1502 notif->next->prev = notif->prev;
1503 if(notif->prev != NULL)
1504 notif->prev->next = notif->next;
1505 if(notif == notif->ui->fnotif)
1506 notif->ui->fnotif = notif->next;
1507 if(notif == notif->ui->lnotif)
1508 notif->ui->lnotif = notif->prev;
1509 if(notif->exptimer != NULL)
1510 canceltimer(notif->exptimer);
1511 for(i = 0; i < notif->argc; i++)
1513 if(notif->argv[i].dt == NOTIF_STR)
1514 free(notif->argv[i].d.s);
1516 if(notif->argv != NULL)
1521 static void notifexpire(int cancelled, struct notif *notif)
1523 notif->exptimer = NULL;
1528 static struct notif *findnotif(struct notif *notif, int dir, int state, int code, int id)
1532 for(; notif != NULL; notif = (dir?notif->next:notif->prev))
1534 if((notif->code == code) && ((state < 0) || (state == notif->state)))
1539 for(i = 0; i < notif->argc; i++)
1541 if((notif->argv[i].dt == NOTIF_ID) && (notif->argv[i].d.n != id))
1556 static void freeuidata(struct uidata *data)
1559 struct qcommand *qcmd;
1561 if(data->next != NULL)
1562 data->next->prev = data->prev;
1563 if(data->prev != NULL)
1564 data->prev->next = data->next;
1566 actives = data->next;
1567 data->sk->readcb = NULL;
1568 data->sk->errcb = NULL;
1569 closesock(data->sk);
1571 while((qcmd = unlinkqcmd(data)) != NULL)
1573 iconv_close(data->ichandle);
1574 if(data->cw != NULL)
1576 if(data->cb != NULL)
1578 if(data->argv != NULL)
1580 for(i = 0; i < data->argc; i++)
1581 free(data->argv[i]);
1584 if(data->auth != NULL)
1585 authputhandle(data->auth);
1586 if(data->regname != NULL)
1587 free(data->regname);
1588 if(data->username != NULL)
1590 if(data->userinfo != NULL)
1591 flog(LOG_INFO, "%ls logged out", data->username);
1592 free(data->username);
1595 while(data->fnotif != NULL)
1596 freenotif(data->fnotif);
1597 if(data->fcmdbuf != NULL)
1598 free(data->fcmdbuf);
1599 if(data->fcmdpid != 0)
1600 kill(-data->fcmdpid, SIGHUP);
1601 if(data->fcmdsk != NULL)
1602 putsock(data->fcmdsk);
1606 static void queuecmd(struct uidata *data, struct command *cmd, int argc, wchar_t **argv)
1608 struct qcommand *new;
1610 new = smalloc(sizeof(*new));
1615 if(data->queuelast != NULL)
1616 data->queuelast->next = new;
1617 data->queuelast = new;
1618 if(data->queue == NULL)
1623 static struct uidata *newuidata(struct socket *sk)
1625 struct uidata *data;
1626 static int curid = 0;
1628 data = smalloc(sizeof(*data));
1629 memset(data, 0, sizeof(*data));
1633 data->inbuf = smalloc(1024);
1635 if((data->ichandle = iconv_open("wchar_t", "utf-8")) == (iconv_t)-1)
1637 flog(LOG_CRIT, "iconv cannot handle UTF-8: %s", strerror(errno));
1640 data->next = actives;
1643 actives->prev = data;
1648 static void uiread(struct socket *sk, struct uidata *data)
1654 size_t datalen, len2;
1655 struct command *cur;
1657 if(data->indata > 1024)
1659 if((newbuf = sockgetinbuf(sk, &datalen)) == NULL)
1661 sizebuf(&data->inbuf, &data->inbufsize, data->indata + datalen, 1, 1);
1662 memcpy(data->inbuf + data->indata, newbuf, datalen);
1664 data->indata += datalen;
1665 if(data->cb == NULL)
1667 data->cb = smalloc(sizeof(wchar_t) * (data->cbsize = 64));
1669 data->pp = data->cb;
1674 if(data->cbsize == data->cbdata)
1676 len2 = data->pp - data->cb;
1677 data->cb = srealloc(data->cb, sizeof(wchar_t) * (data->cbsize *= 2));
1678 data->pp = data->cb + len2;
1681 p2 = (char *)(porig = (data->cb + data->cbdata));
1682 len2 = sizeof(wchar_t) * (data->cbsize - data->cbdata);
1683 ret = iconv(data->ichandle, &p1, &data->indata, &p2, &len2);
1684 memmove(data->inbuf, p1, data->indata);
1685 /* Just a sanity check */
1686 if(((p2 - ((char *)data->cb)) % sizeof(wchar_t)) != 0)
1688 flog(LOG_CRIT, "Aiya! iconv does strange things to our wchar_t's!");
1691 data->cbdata += (((wchar_t *)p2) - porig);
1697 /* XXX: Should this really just ignore it? */
1705 /* Just a sanity check */
1706 if(data->cbsize != data->cbdata)
1708 flog(LOG_CRIT, "Aiya! iconv doesn't give us wchar_t's!");
1713 flog(LOG_WARNING, "bug: strange error from iconv in uiread: %s", strerror(errno));
1721 while(!done && (data->pp - data->cb < data->cbdata))
1726 if(iswspace(*data->pp))
1728 if(*data->pp == L'\r')
1730 if(data->pp == data->cb + data->cbdata - 1)
1735 if(*(++data->pp) == L'\n')
1737 if((data->argv != NULL) && (data->argv[0] != NULL))
1739 for(cur = commands; cur->handler != NULL; cur++)
1741 if(cur->name == NULL)
1743 if(!wcscasecmp(cur->name, data->argv[0]))
1745 queuecmd(data, cur, data->argc, data->argv);
1749 if(cur->handler == NULL)
1750 queuecmd(data, &commands[1], data->argc, data->argv);
1752 queuecmd(data, &commands[1], data->argc, data->argv);
1757 wmemmove(data->cb, data->pp, data->cbdata -= (data->pp - data->cb));
1758 data->pp = data->cb;
1771 if(iswspace(*data->pp))
1773 addtobuf(data->cw, L'\0');
1774 sizebuf(&data->argv, &data->args, data->argc + 1, sizeof(*data->argv), 1);
1775 data->argv[data->argc++] = data->cw;
1780 } else if(*data->pp == L'\"') {
1783 } else if(*data->pp == L'\\') {
1784 if(data->pp == data->cb + data->cbdata - 1)
1789 addtobuf(data->cw, *(++data->pp));
1792 addtobuf(data->cw, *(data->pp++));
1796 if(*data->pp == L'\"')
1799 } else if(*data->pp == L'\\') {
1800 if(data->pp == data->cb + data->cbdata - 1)
1805 addtobuf(data->cw, *(++(data->pp)));
1807 addtobuf(data->cw, *data->pp);
1813 if(data->cbdata > 16384)
1815 /* Kill clients that send us unreasonably long lines */
1820 static void uierror(struct socket *sk, int err, struct uidata *data)
1823 flog(LOG_WARNING, "error occurred on UI socket: %s", strerror(err));
1827 static void uiaccept(struct lport *lp, struct socket *newsk, void *data)
1829 struct uidata *uidata;
1831 newsk->data = uidata = newuidata(newsk);
1832 socksettos(newsk, confgetint("ui", "uitos"));
1835 newsk->errcb = (void (*)(struct socket *, int, void *))uierror;
1836 newsk->readcb = (void (*)(struct socket *, void *))uiread;
1837 queuecmd(uidata, &commands[0], 0, NULL);
1840 static int srcheta(struct search *srch, void *uudata)
1842 struct uidata *data;
1844 for(data = actives; data != NULL; data = data->next)
1846 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
1847 newnotif(data, 620, NOTIF_ID, srch->id, NOTIF_INT, srch->eta - time(NULL), NOTIF_END);
1852 static int srchcommit(struct search *srch, void *uudata)
1854 struct uidata *data;
1856 for(data = actives; data != NULL; data = data->next)
1858 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
1859 newnotif(data, 621, NOTIF_ID, srch->id, NOTIF_END);
1864 static int srchres(struct search *srch, struct srchres *sr, void *uudata)
1866 struct uidata *data;
1868 for(data = actives; data != NULL; data = data->next)
1870 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
1872 newnotif(data, 622, NOTIF_ID, srch->id, NOTIF_STR, sr->filename, NOTIF_STR, sr->fnet->name, NOTIF_STR, sr->peerid, NOTIF_OFF, sr->size,
1873 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);
1879 static int recvchat(struct fnetnode *fn, int public, wchar_t *name, wchar_t *peer, wchar_t *string, void *uudata)
1881 struct uidata *data;
1883 for(data = actives; data != NULL; data = data->next)
1885 if(haspriv(data, PERM_CHAT) && data->notify.b.fnchat)
1886 newnotif(data, 600, NOTIF_ID, fn->id, NOTIF_INT, public, NOTIF_STR, name, NOTIF_STR, peer, NOTIF_STR, string, NOTIF_END);
1891 static int fnactive(struct fnetnode *fn, wchar_t *attrib, void *uudata)
1893 struct uidata *data;
1894 struct notif *notif;
1896 if(!wcscmp(attrib, L"state"))
1898 for(data = actives; data != NULL; data = data->next)
1900 if(data->notify.b.fnact)
1901 newnotif(data, 601, NOTIF_ID, fn->id, NOTIF_INT, fn->state, NOTIF_END);
1903 } else if(!wcscmp(attrib, L"name")) {
1904 for(data = actives; data != NULL; data = data->next)
1906 if(data->notify.b.fnact)
1907 newnotif(data, 602, NOTIF_ID, fn->id, NOTIF_STR, fn->name, NOTIF_END);
1909 } else if(!wcscmp(attrib, L"numpeers")) {
1910 for(data = actives; data != NULL; data = data->next)
1912 if(data->notify.b.fnact)
1914 if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 605, fn->id)) != NULL)
1915 notif->argv[1].d.n = fn->numpeers;
1917 newnotif(data, 605, NOTIF_ID, fn->id, NOTIF_INT, fn->numpeers, NOTIF_END)->rlimit = 0.5;
1924 static int fnunlink(struct fnetnode *fn, void *uudata)
1926 struct uidata *data;
1928 for(data = actives; data != NULL; data = data->next)
1930 if(data->notify.b.fnact)
1931 newnotif(data, 603, NOTIF_ID, fn->id, NOTIF_END);
1936 static int peernew(struct fnetnode *fn, struct fnetpeer *peer, void *uudata)
1938 struct uidata *data;
1940 for(data = actives; data != NULL; data = data->next)
1942 if(data->notify.b.fnpeer)
1943 newnotif(data, 630, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_STR, peer->nick, NOTIF_END);
1948 static int peerdel(struct fnetnode *fn, struct fnetpeer *peer, void *uudata)
1950 struct uidata *data;
1952 for(data = actives; data != NULL; data = data->next)
1954 if(data->notify.b.fnpeer)
1955 newnotif(data, 631, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_END);
1960 static int peerchange(struct fnetnode *fn, struct fnetpeer *peer, struct fnetpeerdi *di, void *uudata)
1962 struct uidata *data;
1963 struct notif *notif;
1966 for(data = actives; data != NULL; data = data->next)
1968 if(data->notify.b.fnpeer)
1970 for(notif = data->fnotif; notif != NULL; notif = notif->next)
1972 if((notif->code == 632) && (notif->state == NOTIF_PEND) && (notif->argv[0].d.n == fn->id) && !wcscmp(notif->argv[1].d.s, peer->id))
1976 notif = newnotif(data, 632, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_STR, peer->nick, NOTIF_END);
1977 notifappend(notif, NOTIF_STR, di->datum->id, NOTIF_INT, di->datum->datatype, NOTIF_END);
1978 switch(di->datum->datatype)
1981 notifappend(notif, NOTIF_INT, di->data.num, NOTIF_END);
1984 notifappend(notif, NOTIF_STR, di->data.str, NOTIF_END);
1987 swprintf(buf, sizeof(buf) / sizeof(*buf), L"%lli", di->data.lnum);
1988 notifappend(notif, NOTIF_STR, buf, NOTIF_END);
1996 static int newfnetnode(struct fnetnode *fn, void *uudata)
1998 struct uidata *data;
2000 for(data = actives; data != NULL; data = data->next)
2002 if(data->notify.b.fnact)
2003 newnotif(data, 604, NOTIF_ID, fn->id, NOTIF_STR, fn->fnet->name, NOTIF_END);
2005 CBREG(fn, fnetnode_ac, fnactive, NULL, NULL);
2006 CBREG(fn, fnetnode_chat, recvchat, NULL, NULL);
2007 CBREG(fn, fnetnode_unlink, fnunlink, NULL, NULL);
2008 CBREG(fn, fnetpeer_new, peernew, NULL, NULL);
2009 CBREG(fn, fnetpeer_del, peerdel, NULL, NULL);
2010 CBREG(fn, fnetpeer_chdi, peerchange, NULL, NULL);
2014 static int transferchattr(struct transfer *transfer, wchar_t *attrib, void *uudata)
2016 struct uidata *data;
2018 if(!wcscmp(attrib, L"state"))
2020 for(data = actives; data != NULL; data = data->next)
2022 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
2023 newnotif(data, 611, NOTIF_ID, transfer->id, NOTIF_INT, transfer->state, NOTIF_END);
2025 } else if(!wcscmp(attrib, L"nick")) {
2026 for(data = actives; data != NULL; data = data->next)
2028 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
2029 newnotif(data, 612, NOTIF_ID, transfer->id, NOTIF_STR, transfer->peernick, NOTIF_END);
2031 } else if(!wcscmp(attrib, L"size")) {
2032 for(data = actives; data != NULL; data = data->next)
2034 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
2035 newnotif(data, 613, NOTIF_ID, transfer->id, NOTIF_OFF, transfer->size, NOTIF_END);
2037 } else if(!wcscmp(attrib, L"error")) {
2038 for(data = actives; data != NULL; data = data->next)
2040 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
2041 newnotif(data, 614, NOTIF_ID, transfer->id, NOTIF_INT, transfer->error, NOTIF_END);
2043 } else if(!wcscmp(attrib, L"path")) {
2044 for(data = actives; data != NULL; data = data->next)
2046 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
2047 newnotif(data, 616, NOTIF_ID, transfer->id, NOTIF_STR, transfer->path, NOTIF_END);
2049 } else if(!wcscmp(attrib, L"hash")) {
2050 for(data = actives; data != NULL; data = data->next)
2052 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
2053 newnotif(data, 618, NOTIF_ID, transfer->id, NOTIF_STR, (transfer->hash == NULL)?L"":unparsehash(transfer->hash), NOTIF_END);
2059 static int transferprog(struct transfer *transfer, void *uudata)
2061 struct uidata *data;
2062 struct notif *notif;
2064 for(data = actives; data != NULL; data = data->next)
2066 if(haspriv(data, PERM_TRANS) && data->notify.b.trprog && ((transfer->owner == 0) || (transfer->owner == data->uid)))
2068 if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 615, transfer->id)) != NULL)
2069 notif->argv[1].d.o = transfer->curpos;
2071 newnotif(data, 615, NOTIF_ID, transfer->id, NOTIF_OFF, transfer->curpos, NOTIF_END)->rlimit = 0.5;
2077 static int transferdestroyed(struct transfer *transfer, void *uudata)
2079 struct uidata *data;
2081 for(data = actives; data != NULL; data = data->next)
2083 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
2084 newnotif(data, 617, NOTIF_ID, transfer->id, NOTIF_STR, (transfer->exitstatus == NULL)?L"":(transfer->exitstatus), NOTIF_END);
2089 static int newtransfernotify(struct transfer *transfer, void *uudata)
2091 struct uidata *data;
2093 for(data = actives; data != NULL; data = data->next)
2095 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
2096 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);
2098 CBREG(transfer, trans_ac, transferchattr, NULL, NULL);
2099 CBREG(transfer, trans_p, transferprog, NULL, NULL);
2100 CBREG(transfer, trans_destroy, transferdestroyed, NULL, NULL);
2104 static struct uiuser *newuser(wchar_t *name, unsigned long perms)
2108 new = smalloc(sizeof(*new));
2110 new->name = swcsdup(name);
2121 static void freeuser(struct uiuser *user)
2123 if(user->next != NULL)
2124 user->next->prev = user->prev;
2125 if(user->prev != NULL)
2126 user->prev->next = user->next;
2133 static int conf_user(int argc, wchar_t **argv)
2135 int i, perms, permmod;
2136 struct uiuser *user;
2141 flog(LOG_WARNING, "not enough arguments given for user command");
2145 for(i = 2; i < argc; i++)
2147 if(!iswalpha(argv[i][0]))
2151 if(!wcscmp(p, L"disallow"))
2152 permmod = PERM_DISALLOW;
2153 if(!wcscmp(p, L"admin"))
2154 permmod = PERM_ADMIN;
2155 if(!wcscmp(p, L"fnetctl"))
2156 permmod = PERM_FNETCTL;
2157 if(!wcscmp(p, L"trans"))
2158 permmod = PERM_TRANS;
2159 if(!wcscmp(p, L"transcu"))
2160 permmod = PERM_TRANSCU;
2161 if(!wcscmp(p, L"chat"))
2162 permmod = PERM_CHAT;
2163 if(!wcscmp(p, L"srch"))
2164 permmod = PERM_SRCH;
2165 if(!wcscmp(p, L"all"))
2167 if(argv[i][0] == L'-')
2172 if((user = finduser(argv[1])) == NULL)
2174 newuser(argv[1], perms);
2177 user->perms = perms;
2182 static void preinit(int hup)
2184 struct uiuser *user;
2188 newuser(L"default", PERM_DISALLOW);
2190 for(user = users; user != NULL; user = user->next)
2192 if(!wcscmp(user->name, L"default"))
2198 static struct sockaddr_un *makeunixname(void)
2200 static struct sockaddr_un buf;
2205 memset(&buf, 0, sizeof(buf));
2206 buf.sun_family = PF_UNIX;
2207 if((val = icswcstombs(confgetstr("ui", "unixsock"), NULL, NULL)) == NULL) {
2208 flog(LOG_WARNING, "could not map Unix socket name into local charset: %s", strerror(errno));
2211 if(!strcmp(val, "none"))
2213 if(!strcmp(val, "default"))
2215 if((uid = getuid()) == 0)
2217 strcpy(buf.sun_path, "/var/run/doldacond.sock");
2220 if((pwd = getpwuid(uid)) == NULL)
2222 flog(LOG_ERR, "could not get passwd entry for current user: %s", strerror(errno));
2225 strcpy(buf.sun_path, "/tmp/doldacond-");
2226 strcat(buf.sun_path, pwd->pw_name);
2230 if(strchr(val, '/'))
2232 strcpy(buf.sun_path, val);
2235 flog(LOG_WARNING, "invalid Unix socket name: %s", val);
2239 static int tcpportupdate(struct configvar *var, void *uudata)
2241 struct lport *newsock;
2244 if((var->val.num != -1) && ((newsock = netcstcplisten(var->val.num, 1, uiaccept, NULL)) == NULL))
2246 flog(LOG_WARNING, "could not create new TCP UI socket, reverting to old: %s", strerror(errno));
2249 if(tcpsocket != NULL)
2251 closelport(tcpsocket);
2254 tcpsocket = newsock;
2258 static int unixsockupdate(struct configvar *var, void *uudata)
2260 struct lport *newsock;
2261 struct sockaddr_un *un;
2266 if(((un = makeunixname()) != NULL) && ((newsock = netcslistenlocal(SOCK_STREAM, (struct sockaddr *)un, sizeof(*un), uiaccept, NULL)) == NULL))
2269 flog(LOG_WARNING, "could not create new Unix UI socket, reverting to old: %s", strerror(errno));
2273 if(unixsocket != NULL)
2275 closelport(unixsocket);
2278 unixsocket = newsock;
2282 static int init(int hup)
2284 struct uiuser *user, *next;
2285 struct sockaddr_un *un;
2292 for(user = users; user != NULL; user = next)
2301 starttime = time(NULL);
2302 if((confgetint("ui", "port") != -1) && ((tcpsocket = netcstcplisten(confgetint("ui", "port"), 1, uiaccept, NULL)) == NULL))
2304 flog(LOG_CRIT, "could not create TCP UI socket: %s", strerror(errno));
2307 CBREG(confgetvar("ui", "port"), conf_update, tcpportupdate, NULL, NULL);
2309 if(((un = makeunixname()) != NULL) && ((unixsocket = netcslistenlocal(SOCK_STREAM, (struct sockaddr *)un, sizeof(*un), uiaccept, NULL)) == NULL))
2312 flog(LOG_CRIT, "could not create Unix UI socket: %s", strerror(errno));
2316 CBREG(confgetvar("ui", "unixsock"), conf_update, unixsockupdate, NULL, NULL);
2317 GCBREG(newfncb, newfnetnode, NULL);
2318 GCBREG(newtransfercb, newtransfernotify, NULL);
2322 for(user = users; user != NULL; user = user->next)
2324 if(wcscmp(user->name, L"default"))
2329 if((pwd = getpwuid(getuid())) == NULL)
2331 flog(LOG_CRIT, "could not get login info: %s", strerror(errno));
2334 if((wcsname = icmbstowcs(pwd->pw_name, NULL)) == NULL)
2336 flog(LOG_CRIT, "could not convert user name into wcs: %s", strerror(errno));
2339 newuser(wcsname, ~PERM_DISALLOW);
2346 static int run(void)
2349 struct uidata *data, *next;
2350 struct qcommand *qcmd;
2351 struct notif *notif, *nnotif;
2353 for(data = actives; data != NULL; data = next)
2359 for(data = actives; data != NULL; data = data->next)
2361 for(notif = data->fnotif; notif != NULL; notif = nnotif)
2363 nnotif = notif->next;
2364 if(notif->state == NOTIF_WAIT)
2367 for(i = 0; i < notif->argc; i++)
2369 if(notif->argv[i].dt == NOTIF_ID)
2371 id = notif->argv[i].d.n;
2375 if(findnotif(notif->prev, 0, -1, notif->code, id) != NULL)
2377 sq(data->sk, 2, L"%i", notif->code, NULL);
2378 for(i = 0; i < notif->argc; i++)
2380 switch(notif->argv[i].dt)
2384 sq(data->sk, 2, L"%i", notif->argv[i].d.n, NULL);
2387 sq(data->sk, 2, L"%oi", notif->argv[i].d.o, NULL);
2390 if(notif->argv[i].d.s[0] == L'%')
2391 sq(data->sk, 2, L"%ls", notif->argv[i].d.s, NULL);
2393 sq(data->sk, 2, notif->argv[i].d.s, NULL);
2396 sq(data->sk, 2, L"%f", notif->argv[i].d.d, NULL);
2400 sq(data->sk, 0, NULL);
2401 if(notif->rlimit != 0)
2403 notif->state = NOTIF_WAIT;
2404 notif->exptimer = timercallback(ntime() + notif->rlimit, (void (*)(int, void *))notifexpire, notif);
2409 if((qcmd = unlinkqcmd(data)) != NULL)
2411 qcmd->cmd->handler(data->sk, data, qcmd->argc, qcmd->argv);
2415 if(data->queuesize > 10)
2417 /* Clients should not be queue up commands at all, since
2418 * they should not send a new command before receiving a
2419 * reply to the previous command. Therefore, we
2420 * mercilessly massacre clients which are stacking up too
2428 static void terminate(void)
2430 while(users != NULL)
2432 if(tcpsocket != NULL)
2433 closelport(tcpsocket);
2434 if(unixsocket != NULL)
2435 closelport(unixsocket);
2438 static struct configvar myvars[] =
2440 /** If true, UI connections will only be accepted from localhost
2441 * addresses (127.0.0.1, ::1 or ::ffff:127.0.0.1). Unless you are
2442 * completely sure that you know what you are doing, never turn
2443 * this off when auth.authless is on. */
2444 {CONF_VAR_BOOL, "onlylocal", {.num = 1}},
2445 /** The TCP port number on which to accept UI client connections,
2446 * or -1 to not listen on TCP. */
2447 {CONF_VAR_INT, "port", {.num = 1500}},
2449 * Controls the the name to use for the Unix socket on which to
2450 * accept UI client connections. If the name contains a slash, it
2451 * is treated as a file name to bind on. If the name is "default",
2452 * the file name will be "/var/run/doldacond.sock" if doldacond
2453 * runs with UID == 0, or "/tmp/doldacond-NAME" otherwise, where
2454 * NAME is the user name of the UID which doldacond runs as. If
2455 * the name is "none", no Unix socket will be used. Otherwise, an
2456 * error is signaled.
2458 {CONF_VAR_STRING, "unixsock", {.str = L"default"}},
2459 /** The TOS value to use for UI connections (see the TOS VALUES
2461 {CONF_VAR_INT, "uitos", {.num = SOCK_TOS_MINDELAY}},
2462 /** The name of the filtercmd script (see the FILES section for
2463 * lookup information). */
2464 {CONF_VAR_STRING, "filtercmd", {.str = L"dc-filtercmd"}},
2468 static struct configcmd mycmds[] =
2470 {"user", conf_user},
2474 static struct module me =
2485 .terminate = terminate