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>
26 #include <arpa/inet.h>
46 #include "sysevents.h"
52 #define PERM_DISALLOW 1
54 #define PERM_FNETCTL 4
56 #define PERM_TRANSCU 16
73 void (*handler)(struct socket *sk, struct uidata *data, int argc, wchar_t **argv);
78 struct qcommand *next;
86 struct uiuser *next, *prev;
95 struct notif *next, *prev;
101 struct timer *exptimer;
116 struct uidata *next, *prev;
118 struct qcommand *queue, *queuelast;
119 struct authhandle *auth;
136 struct uiuser *userinfo;
140 struct notif *fnotif, *lnotif;
142 size_t fcmdbufdata, fcmdbufsize;
144 struct socket *fcmdsk;
147 size_t inbufsize, indata;
148 /* Wordset storage */
151 /* WCS conversation stuff */
152 wchar_t *cb; /* Conversation buffer */
153 size_t cbsize, cbdata;
156 int ps; /* Parser state */
157 wchar_t *pp; /* Current parse pointer */
158 wchar_t *cw; /* Current word (building storage) */
159 size_t cwsize, cwdata;
162 static int srcheta(struct search *srch, void *uudata);
163 static int srchcommit(struct search *srch, void *uudata);
164 static int srchres(struct search *srch, struct srchres *sr, void *uudata);
165 static struct notif *newnotif(struct uidata *data, int code, ...);
166 static void notifappend(struct notif *notif, ...);
168 struct uiuser *users = NULL;
169 struct uidata *actives = NULL;
170 struct socket *uisocket = NULL;
171 static time_t starttime;
173 static wchar_t *quoteword(wchar_t *word)
175 wchar_t *wp, *buf, *bp;
185 for(wp = word; *wp != L'\0'; wp++)
187 if(!dq && iswspace(*wp))
189 if((*wp == L'\\') || (*wp == L'\"'))
196 bp = buf = smalloc(sizeof(wchar_t) * (numc + numbs + (dq?2:0) + 1));
199 for(wp = word; *wp != L'\0'; wp++)
201 if((*wp == L'\\') || (*wp == L'\"'))
211 static void sq(struct socket *sk, int cont, ...)
217 wchar_t *part, *tpart;
218 size_t bufsize, bufdata;
221 bufsize = bufdata = 0;
224 while((part = va_arg(al, wchar_t *)) != NULL)
229 * This kludge demands that all arguments that you call it
230 * with are the size of an int. That happens to be the
231 * case for most datatypes on most platforms and
232 * compilers, but I don't know exactly which ones, and
233 * also a long long is a notable candidate of an arg that
234 * is not the size of an int on 32-bit archs. If it breaks
235 * some existing call on your architecture, please tell
238 part = vswprintf2(tpart = (part + 1), al);
239 for(; *tpart != L'\0'; tpart++)
253 if((tpart = quoteword(part)) != NULL)
260 if((num > 1) || ((num == 1) && !(cont & 1)))
262 bufcat(buf, part, wcslen(part));
263 if((num == 0) && (cont & 1))
270 bufcat(buf, L" \0", 2);
272 bufcat(buf, L"\r\n\0", 3);
273 if((final = icwcstombs(buf, "utf-8")) == NULL)
275 flog(LOG_CRIT, "could not convert \"%ls\" into utf-8: %s", buf, strerror(errno));
281 sockqueue(sk, final, strlen(final));
285 struct uiuser *finduser(wchar_t *name)
289 for(user = users; user != NULL; user = user->next)
291 if(!wcscmp(user->name, name))
297 static void logout(struct uidata *data)
299 data->userinfo = NULL;
300 if(data->username != NULL)
301 free(data->username);
302 data->username = NULL;
303 if(data->auth != NULL)
304 authputhandle(data->auth);
308 static int haspriv(struct uidata *data, int perm)
310 if(data->userinfo == NULL)
312 if(data->userinfo->perms & perm)
318 /* Useful macros for the command functions: */
319 #define haveargs(n) do { if(argc < n) { sq(sk, 0, L"501", L"Wrong number of arguments", NULL); return; } } while(0)
320 #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)
322 static void cmd_connect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
325 struct in6_addr mv4lo;
327 if(confgetint("ui", "onlylocal"))
329 switch(sk->remote->sa_family)
332 valid = ((struct sockaddr_in *)sk->remote)->sin_addr.s_addr == INADDR_LOOPBACK;
335 inet_pton(AF_INET6, "::ffff:127.0.0.1", &mv4lo);
337 if(!memcmp(&((struct sockaddr_in6 *)sk->remote)->sin6_addr, &in6addr_loopback, sizeof(in6addr_loopback)))
339 if(!memcmp(&((struct sockaddr_in6 *)sk->remote)->sin6_addr, &mv4lo, sizeof(in6addr_loopback)))
348 sq(sk, 0, L"502", L"Only localhost connections allowed to this host", NULL);
354 sq(sk, 0, L"200", L"%Dolda Connect daemon v%s", VERSION, NULL);
357 static void cmd_notfound(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
359 if((argv != NULL) && (argv[0] != NULL))
360 sq(sk, 0, L"500", L"%Command not found: %ls", argv[0], NULL);
362 sq(sk, 0, L"500", L"No command", NULL);
365 static void cmd_shutdown(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
367 extern volatile int running;
369 havepriv(PERM_ADMIN);
370 flog(LOG_NOTICE, "UI shutdown request from %ls, shutting down", data->username);
372 sq(sk, 0, L"200", L"Daemon shutting down", NULL);
375 static void cmd_quit(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
377 sq(sk, 0, L"200", L"Closing connection", NULL);
381 static void cmd_lsauth(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
383 struct authmech *mech, *prev;
386 for(mech = mechs; mech != NULL; mech = mech->next)
391 sq(sk, 1, L"200", prev->name, NULL);
396 sq(sk, 0, L"201", L"No authentication methods supported", NULL);
398 sq(sk, 0, L"200", prev->name, NULL);
401 static void cmd_login(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
408 if(data->username != NULL)
410 if(data->userinfo != NULL)
411 sq(sk, 0, L"503", L"Already logged in", NULL);
413 sq(sk, 0, L"503", L"Already logging in", NULL);
416 if((buf = icwcstombs(argv[2], NULL)) == NULL)
418 sq(sk, 0, L"504", L"Could not convert username to locale charset", NULL);
421 data->username = swcsdup(argv[2]);
422 if((pwd = getpwnam(buf)) == NULL)
425 data->uid = pwd->pw_uid;
426 if((data->auth = initauth(argv[1], buf)) == NULL)
429 sq(sk, 0, L"508", L"No such authentication mechanism", NULL);
431 sq(sk, 0, L"505", L"Could not initialize authentication system", L"%%s", strerror(errno), NULL);
437 switch(authenticate(data->auth, NULL))
440 data->userinfo = finduser(data->username);
441 if(data->userinfo == NULL)
442 data->userinfo = finduser(L"default");
445 sq(sk, 0, L"506", L"Authentication error", NULL);
446 flog(LOG_INFO, "user %ls authenticated successfully from %s, but no account existed", data->username, formataddress(sk->remote, sk->remotelen));
448 } else if((data->userinfo == NULL) || (data->userinfo->perms & PERM_DISALLOW)) {
449 sq(sk, 0, L"506", L"Authentication error", NULL);
450 flog(LOG_INFO, "user %ls authenticated successfully from %s, but was not authorized", data->username, formataddress(sk->remote, sk->remotelen));
453 sq(sk, 0, L"200", L"Welcome", NULL);
454 flog(LOG_INFO, "%ls (UID %i) logged in from %s", data->username, data->uid, formataddress(sk->remote, sk->remotelen));
458 sq(sk, 0, L"506", L"Authentication error", L"%%ls", (data->auth->text == NULL)?L"":(data->auth->text), NULL);
459 flog(LOG_INFO, "authentication failed for %ls from %s", data->username, formataddress(sk->remote, sk->remotelen));
463 switch(data->auth->prompt)
481 sq(sk, 0, L"%%i", code, data->auth->text, NULL);
484 sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL);
488 flog(LOG_WARNING, "BUG? Non-caught return from authenticate in cmd_login");
489 sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL);
495 static void cmd_pass(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
501 if((buf = icwcstombs(argv[1], NULL)) == NULL)
503 sq(sk, 0, L"504", L"Could not convert data to locale charset", NULL);
506 if((data->auth == NULL) || (data->userinfo != NULL))
508 sq(sk, 0, L"507", L"Data not expected", NULL);
511 switch(authenticate(data->auth, buf))
514 data->userinfo = finduser(data->username);
515 if(data->userinfo == NULL)
516 data->userinfo = finduser(L"default");
519 sq(sk, 0, L"506", L"Authentication error", NULL);
520 flog(LOG_INFO, "user %ls authenticated successfully from %s, but no account existed", data->username, formataddress(sk->remote, sk->remotelen));
522 } else if((data->userinfo == NULL) || (data->userinfo->perms & PERM_DISALLOW)) {
523 sq(sk, 0, L"506", L"Authentication error", NULL);
524 flog(LOG_INFO, "user %ls authenticated successfully from %s, but was not authorized", data->username, formataddress(sk->remote, sk->remotelen));
527 sq(sk, 0, L"200", L"Welcome", NULL);
528 flog(LOG_INFO, "%ls (UID %i) logged in from %s", data->username, data->uid, formataddress(sk->remote, sk->remotelen));
532 sq(sk, 0, L"506", L"Authentication error", L"%%ls", (data->auth->text == NULL)?L"":(data->auth->text), NULL);
533 flog(LOG_INFO, "authentication failed for %ls from %s", data->username, formataddress(sk->remote, sk->remotelen));
537 switch(data->auth->prompt)
555 sq(sk, 0, L"%%i", code, data->auth->text, NULL);
558 sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL);
562 flog(LOG_WARNING, "BUG? Non-caught return from authenticate in cmd_pass");
563 sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL);
570 static void cmd_fnetconnect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
576 struct wcspair *args;
579 havepriv(PERM_FNETCTL);
580 for(i = 0, fn = fnetnodes; fn != NULL; i++, fn = fn->next);
581 if((confgetint("fnet", "maxnodes") > 0) && (i >= confgetint("fnet", "maxnodes"))) {
582 sq(sk, 0, L"515", L"Too many fnetnodes connected already", NULL);
585 if((buf = icwcstombs(argv[2], NULL)) == NULL)
587 sq(sk, 0, L"504", L"Could not convert data to locale charset", NULL);
591 for(i = 3; i < argc - 1; i += 2)
592 newwcspair(argv[i], argv[i + 1], &args);
593 fn = fnetinitconnect(argv[1], data->userinfo->name, buf, args);
598 if(errno == EPROTONOSUPPORT)
599 sq(sk, 0, L"511", L"No such network name", NULL);
601 sq(sk, 0, L"509", L"Could not parse the address", L"%%s", strerror(err), NULL);
605 fnetsetname(fn, argv[2]);
606 sq(sk, 0, L"200", L"%%i", fn->id, L"Connection under way", NULL);
610 static void cmd_lsnodes(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
614 if(fnetnodes == NULL)
616 sq(sk, 0, L"201", L"No connected nodes", NULL);
619 for(fn = fnetnodes; fn != NULL; fn = fn->next)
621 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);
625 static void cmd_disconnect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
631 havepriv(PERM_FNETCTL);
632 /* Note - Programmatical user interfaces must only give one
633 * argument per command, the multiple argument form is only for
634 * convenience when manually controlling the daemon via
635 * eg. telnet. The reason is that the return codes aren't clear
636 * enough for the multiple argument form. */
637 for(i = 1; i < argc; i++)
639 if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL)
641 sq(sk, 0, L"510", L"No such node", NULL);
644 if(wpfind(fn->args, L"locked") && !((data->userinfo->perms & PERM_ADMIN) || !wcscmp(data->userinfo->name, fn->owner)))
646 sq(sk, 0, L"502", L"This node is locked and you are neither administrator nor its owner", NULL);
652 sq(sk, 0, L"200", L"Node flagged for disconnection", NULL);
655 static void cmd_lspa(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
658 struct fnetpeerdatum *datum;
661 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
663 sq(sk, 0, L"510", L"No such node", NULL);
666 if(fn->peerdata == NULL)
668 sq(sk, 0, L"201", L"No data available", NULL);
670 for(datum = fn->peerdata; datum != NULL; datum = datum->next)
671 sq(sk, (datum->next != NULL)?1:0, L"200", datum->id, L"%%i", datum->datatype, NULL);
675 static void cmd_lspeers(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
679 struct fnetpeer *peer;
683 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
685 sq(sk, 0, L"510", L"No such node", NULL);
688 if(fn->peers == NULL)
690 sq(sk, 0, L"201", L"No peers avaiable", NULL);
692 for(peer = fn->peers; peer != NULL; peer = peer->next)
694 sq(sk, 2 | ((peer->next != NULL)?1:0), L"200", L"%%s", peer->id, L"%%s", peer->nick, NULL);
695 for(i = 0; i < peer->dinum; i++)
697 if(peer->peerdi[i].datum->datatype == FNPD_INT)
698 sq(sk, 2, peer->peerdi[i].datum->id, L"%%i", peer->peerdi[i].data.num, NULL);
699 /* Note: A long long is not the size of an int, so
700 * sq() can't handle the conversion itself. */
701 if(peer->peerdi[i].datum->datatype == FNPD_LL)
703 swprintf(buf, 40, L"%lli", peer->peerdi[i].data.lnum);
704 sq(sk, 2, peer->peerdi[i].datum->id, buf, NULL);
706 if((peer->peerdi[i].datum->datatype == FNPD_STR) && (peer->peerdi[i].data.str != NULL))
707 sq(sk, 2, peer->peerdi[i].datum->id, L"%%s", peer->peerdi[i].data.str, NULL);
714 static void cmd_download(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
719 struct transfer *transfer;
720 struct fnetpeer *peer;
723 if((argc > 5) && ((argc % 2) == 0))
725 sq(sk, 0, L"501", L"Must have an even number of arguments", NULL);
728 havepriv(PERM_TRANS);
729 if((*(argv[1]) >= L'0') && (*(argv[1]) <= L'9'))
731 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
733 sq(sk, 0, L"510", L"No such node", NULL);
739 if((net = findfnet(argv[1])) == NULL)
741 sq(sk, 0, L"511", L"No such network name", NULL);
745 transfer = newtransfer();
746 authgethandle(transfer->auth = data->auth);
747 transfer->fnet = net;
748 transfer->peerid = swcsdup(argv[2]);
749 transfer->path = swcsdup(argv[3]);
750 transfer->dir = TRNSD_DOWN;
751 transfer->owner = data->uid;
756 linktransfer(transfer);
757 if(((peer = fnetfindpeer(fn, transfer->peerid)) != NULL) && (peer->nick != NULL))
758 transfersetnick(transfer, peer->nick);
760 linktransfer(transfer);
763 transfersetsize(transfer, wcstol(argv[4], NULL, 0));
766 for(i = 5; i < argc; i += 2)
768 if(!wcscmp(argv[i], L"hash"))
770 transfersethash(transfer, parsehash(argv[i + 1]));
772 newwcspair(argv[i], argv[i + 1], &transfer->args);
776 sq(sk, 0, L"200", L"%%i", transfer->id, L"Download queued", NULL);
777 transfersetactivity(transfer, L"create");
780 static void cmd_lstrans(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
782 struct transfer *transfer, *pt;
784 havepriv(PERM_TRANS);
786 for(transfer = transfers; transfer != NULL; transfer = transfer->next)
788 if((transfer->dir != TRNSD_DOWN) || (transfer->owner == data->uid))
791 sq(sk, 1, L"200", L"%%i", pt->id, L"%%i", pt->dir,
792 L"%%i", pt->state, pt->peerid,
793 (pt->peernick == NULL)?L"":(pt->peernick),
794 (pt->path == NULL)?L"":(pt->path),
795 L"%%i", pt->size, L"%%i", pt->curpos,
796 (pt->hash == NULL)?L"":unparsehash(pt->hash),
802 sq(sk, 0, L"201", L"No transfers", NULL);
804 sq(sk, 0, L"200", L"%%i", pt->id, L"%%i", pt->dir,
805 L"%%i", pt->state, pt->peerid,
806 (pt->peernick == NULL)?L"":(pt->peernick),
807 (pt->path == NULL)?L"":(pt->path),
808 L"%%i", pt->size, L"%%i", pt->curpos,
809 (pt->hash == NULL)?L"":unparsehash(pt->hash),
813 static void cmd_cancel(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
815 struct transfer *transfer;
818 havepriv(PERM_TRANS);
819 if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL)
821 sq(sk, 0, L"512", L"No such transfer", NULL);
824 if((transfer->dir == TRNSD_UP) && !(data->userinfo->perms & PERM_TRANSCU))
826 sq(sk, 0, L"502", L"You are not allowed to cancel uploads", NULL);
829 if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid))
831 sq(sk, 0, L"502", L"You do not own that transfer", NULL);
835 sq(sk, 0, L"200", L"Transfer cancelled", NULL);
838 static void cmd_notify(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
844 sq(sk, 0, L"501", L"Must have an even number of arguments", NULL);
847 for(i = 1; i < argc; i += 2)
849 if(!wcscasecmp(argv[i + 1], L"on"))
853 if(!wcscasecmp(argv[i], L"all"))
859 } else if(!wcscasecmp(argv[i], L"fn:chat")) {
860 data->notify.b.fnchat = val;
861 } else if(!wcscasecmp(argv[i], L"fn:act")) {
862 data->notify.b.fnact = val;
863 } else if(!wcscasecmp(argv[i], L"fn:peer")) {
864 data->notify.b.fnpeer = val;
865 } else if(!wcscasecmp(argv[i], L"trans:act")) {
866 data->notify.b.tract = val;
867 } else if(!wcscasecmp(argv[i], L"trans:prog")) {
868 data->notify.b.trprog = val;
869 } else if(!wcscasecmp(argv[i], L"srch:act")) {
870 data->notify.b.srch = val;
871 } else if(!wcscasecmp(argv[i], L"msg")) {
872 data->notify.b.msg = val;
875 sq(sk, 0, L"200", L"Notification alteration succeeded", NULL);
878 static void cmd_sendchat(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
885 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
887 sq(sk, 0, L"510", L"No such node", NULL);
890 public = wcstol(argv[2], NULL, 0);
891 if((public != 0) && (public != 1))
893 sq(sk, 0, L"509", L"Second argument must be 0 or 1", NULL);
896 if(fn->state != FNN_EST)
898 sq(sk, 0, L"513", L"Hub is in state FNN_EST", NULL);
901 if(fnetsendchat(fn, public, argv[3], argv[4]))
904 sq(sk, 0, L"513", L"This network does not support chatting", NULL);
905 else if(errno == EPERM)
906 sq(sk, 0, L"502", L"This node does not allow you to chat", NULL);
907 else if(errno == EILSEQ)
908 sq(sk, 0, L"504", L"This network could not support all the characters in that message", NULL);
910 sq(sk, 0, L"505", L"Could not chat", NULL);
913 sq(sk, 0, L"200", L"Chat string sent", NULL);
916 static void cmd_search(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
925 srch = newsearch(data->username, NULL);
926 for(i = 1; i < argc; i++)
928 if(!wcscmp(argv[i], L"all"))
930 for(fn = fnetnodes; fn != NULL; fn = fn->next)
932 if(fn->state == FNN_EST)
933 searchaddfn(srch, fn);
937 } else if(!wcscmp(argv[i], L"prio")) {
940 sq(sk, 0, L"501", L"No argument to prio", NULL);
944 srch->prio = wcstol(argv[i], NULL, 0);
945 } else if(iswdigit(*argv[i])) {
946 if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL)
948 sq(sk, 0, L"510", L"No such node", NULL);
952 searchaddfn(srch, fn);
957 if(srch->fnl == NULL)
959 sq(sk, 0, L"501", L"No fnetnodes to search found on line", NULL);
965 sq(sk, 0, L"501", L"No search expression found on line", NULL);
969 if((sexpr = parsesexpr(argc - i, argv + i)) == NULL)
971 sq(sk, 0, L"509", L"Could not parse search expression", NULL);
976 getsexpr(srch->sexpr = sexpr);
978 CBREG(srch, search_eta, srcheta, NULL, NULL);
979 CBREG(srch, search_commit, srchcommit, NULL, NULL);
980 CBREG(srch, search_result, srchres, NULL, NULL);
981 sq(sk, 0, L"200", L"%%i", srch->id, L"%%i", srch->eta - time(NULL), NULL);
985 static void cmd_lssrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
987 struct search *srch, *pt;
993 for(srch = searches; srch != NULL; srch = srch->next)
995 if(!wcscmp(srch->owner, data->username))
998 sq(sk, 1, L"200", L"%%i", pt->id, L"%%i", pt->state, L"%%i", pt->eta - now, L"%%i", pt->numres, NULL);
1003 sq(sk, 0, L"201", L"No searches", NULL);
1005 sq(sk, 0, L"200", L"%%i", pt->id, L"%%i", pt->state, L"%%i", pt->eta - now, L"%%i", pt->numres, NULL);
1008 static void cmd_lssr(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1010 struct search *srch;
1015 havepriv(PERM_SRCH);
1016 if((srch = findsearch(wcstol(argv[1], NULL, 0))) == NULL)
1018 sq(sk, 0, L"514", L"No such search", NULL);
1021 if(srch->results == NULL)
1023 sq(sk, 0, L"201", L"No results", NULL);
1025 for(sr = srch->results; sr != NULL; sr = sr->next)
1027 swprintf(buf, 64, L"%f", sr->time);
1028 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);
1033 static void cmd_cansrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1035 struct search *srch;
1039 havepriv(PERM_SRCH);
1040 /* Note - Programmatical user interfaces must only give one
1041 * argument per command, the multiple argument form is only for
1042 * convenience when manually controlling the daemon via
1043 * eg. telnet. The reason is that the return codes aren't clear
1044 * enough for the multiple argument form. */
1045 for(i = 1; i < argc; i++)
1047 if((srch = findsearch(wcstol(argv[i], NULL, 0))) == NULL)
1049 sq(sk, 0, L"514", L"No such search", NULL);
1054 sq(sk, 0, L"200", L"Search cancelled", NULL);
1057 static void fcmdread(struct socket *sk, struct uidata *data)
1062 if((buf = sockgetinbuf(sk, &bufsize)) == NULL)
1064 bufcat(data->fcmdbuf, buf, bufsize);
1068 static void fcmderr(struct socket *sk, int err, struct uidata *data)
1070 wchar_t *wbuf, *p, *p2;
1074 flog(LOG_WARNING, "error occurred on filtercmd pipe socket: %s", strerror(err));
1075 kill(-data->fcmdpid, SIGHUP);
1076 putsock(data->fcmdsk);
1077 data->fcmdsk = NULL;
1078 if(data->fcmdbuf != NULL)
1080 free(data->fcmdbuf);
1081 data->fcmdbuf = NULL;
1083 data->fcmdbufsize = data->fcmdbufdata = 0;
1084 sq(data->sk, 0, L"505", L"An error occurred on the pipe to the filtercmd", L"%%s", strerror(err), NULL);
1087 putsock(data->fcmdsk);
1088 data->fcmdsk = NULL;
1090 if(data->fcmdbuf == NULL)
1092 wbuf = swcsdup(L"");
1094 addtobuf(data->fcmdbuf, 0);
1095 wbuf = icmbstowcs(data->fcmdbuf, NULL);
1096 free(data->fcmdbuf);
1098 data->fcmdbuf = NULL;
1099 data->fcmdbufsize = data->fcmdbufdata = 0;
1102 sq(data->sk, 0, L"504", L"Filtercmd sent data which could not be converted from the local charset", NULL);
1106 for(p2 = wcschr(p, L'\n'); p2 != NULL; p2 = wcschr(p, L'\n'))
1109 sq(data->sk, (*p2 == L'\0')?0:1, L"200", L"%%ls", p, NULL);
1115 sq(data->sk, 0, L"201", L"No data returned", NULL);
1117 sq(data->sk, 0, L"200", L"%%ls", p, NULL);
1122 static void cmd_filtercmd(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1128 char *filtercmd, *argbuf;
1129 size_t cargvsize, cargvdata;
1130 struct passwd *pwent;
1133 havepriv(PERM_TRANS);
1134 if((pwent = getpwuid(data->uid)) == NULL)
1136 flog(LOG_WARNING, "no passwd entry for UI user %i", data->uid);
1137 sq(sk, 0, L"505", L"System error - Could not fork session", "Internal error", NULL);
1140 if((filtercmd = findfile(icswcstombs(confgetstr("ui", "filtercmd"), NULL, NULL), "dcdl-filtercmd", pwent->pw_dir, 0)) == NULL)
1142 flog(LOG_WARNING, "could not find filtercmd executable for user %s", pwent->pw_name);
1143 sq(sk, 0, L"505", L"System error - Could not fork session", L"Could not find filtercmd executable", NULL);
1147 cargvsize = cargvdata = 0;
1148 addtobuf(cargv, filtercmd);
1149 for(i = 1; i < argc; i++)
1151 if((argbuf = icwcstombs(argv[i], NULL)) == NULL)
1153 for(i = 0; i < cargvdata; i++)
1156 sq(sk, 0, L"504", L"%Could not convert argument %i into local character set", i, L"%%s", strerror(errno), NULL);
1159 addtobuf(cargv, argbuf);
1161 addtobuf(cargv, NULL);
1162 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)
1164 flog(LOG_WARNING, "could not fork session in filtercmd: %s", strerror(errno));
1165 sq(sk, 0, L"505", L"System error - Could not fork session", L"%%s", strerror(errno), NULL);
1170 execv(filtercmd, cargv);
1171 flog(LOG_WARNING, "could not exec filtercmd %s: %s", filtercmd, strerror(errno));
1174 for(pp = cargv; *pp; pp++)
1177 data->fcmdsk = wrapsock(pipe);
1178 data->fcmdpid = pid;
1179 if(data->fcmdbuf != NULL)
1181 free(data->fcmdbuf);
1182 data->fcmdbuf = NULL;
1184 data->fcmdbufsize = data->fcmdbufdata = 0;
1185 data->fcmdsk->data = data;
1186 data->fcmdsk->readcb = (void (*)(struct socket *, void *))fcmdread;
1187 data->fcmdsk->errcb = (void (*)(struct socket *, int, void *))fcmderr;
1190 static void cmd_lstrarg(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1192 struct transfer *transfer;
1196 havepriv(PERM_TRANS);
1197 if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL)
1199 sq(sk, 0, L"512", L"No such transfer", NULL);
1202 if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid))
1204 sq(sk, 0, L"502", L"You do not own that transfer", NULL);
1207 if(transfer->args == NULL)
1209 sq(sk, 0, L"201", L"Transfer has no arguments", NULL);
1211 for(ta = transfer->args; ta != NULL; ta = ta->next)
1212 sq(sk, ta->next != NULL, L"200", L"%%ls", ta->key, L"%%ls", ta->val, NULL);
1216 static void cmd_hashstatus(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1218 struct sharecache *node;
1222 for(node = shareroot->child; node != NULL; node = nextscnode(node))
1224 if(node->f.b.type == FILE_REG)
1227 if(node->f.b.hastth)
1231 sq(sk, 0, L"200", L"%%i", total, L"tth", L"%%i", hashed, NULL);
1234 static void cmd_transstatus(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1236 wchar_t *buf1, *buf2;
1238 havepriv(PERM_TRANS);
1239 buf1 = swprintf2(L"%lli", bytesdownload);
1240 buf2 = swprintf2(L"%lli", bytesupload);
1241 sq(sk, 0, L"200", L"%%ls", buf1, L"%%ls", buf2, NULL);
1246 static void cmd_register(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1251 if(data->userinfo == NULL) {
1252 sq(sk, 0, L"502", L"Must be logged in", NULL);
1255 if(argv[1][0] == L'#') {
1256 sq(sk, 0, L"509", L"Name must not begin with a hash sign", NULL);
1259 for(d2 = actives; d2 != NULL; d2 = d2->next) {
1260 if((d2 != data) && (d2->userinfo == data->userinfo) && d2->regname && !wcscmp(d2->regname, argv[1])) {
1261 sq(sk, 0, L"516", L"Name already in use", NULL);
1265 if(data->regname != NULL)
1266 free(data->regname);
1267 data->regname = swcsdup(argv[1]);
1268 sq(sk, 0, L"200", L"Registered", NULL);
1271 static void cmd_sendmsg(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1274 struct uidata *rcpt;
1276 struct notif *notif;
1279 if(data->userinfo == NULL) {
1280 sq(sk, 0, L"502", L"Must be logged in", NULL);
1283 if(argv[1][0] == L'#') {
1284 rcptid = wcstol(argv[1] + 1, NULL, 0);
1285 for(rcpt = actives; rcpt != NULL; rcpt = rcpt->next) {
1286 if((rcpt->userinfo == data->userinfo) && (rcpt->id == rcptid))
1290 for(rcpt = actives; rcpt != NULL; rcpt = rcpt->next) {
1291 if((rcpt->userinfo == data->userinfo) && rcpt->regname && !wcscmp(rcpt->regname, argv[1]))
1296 sq(sk, 0, L"517", L"No such recipient", NULL);
1299 if(!rcpt->notify.b.msg) {
1300 sq(sk, 0, L"518", L"Recipient not listening for messages", NULL);
1303 if(data->regname != NULL)
1304 myname = swcsdup(data->regname);
1306 myname = swprintf2(L"#%i", data->id);
1307 notif = newnotif(rcpt, 640, NOTIF_STR, myname, NOTIF_END);
1308 for(i = 2; i < argc; i++)
1309 notifappend(notif, NOTIF_STR, argv[i], NOTIF_END);
1310 sq(sk, 0, L"200", L"Message sent", NULL);
1313 static void cmd_uptime(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1315 sq(sk, 0, L"200", L"%%i", time(NULL) - starttime, NULL);
1322 * Reserved command numbers for nameless commands:
1323 * 0: Issued when a client has connected
1324 * 1: Issued when a named command couldn't be found
1327 static struct command commands[] =
1329 {NULL, cmd_connect},
1330 {NULL, cmd_notfound},
1331 {L"shutdown", cmd_shutdown},
1332 {L"quit", cmd_quit},
1333 {L"lsauth", cmd_lsauth},
1334 {L"login", cmd_login},
1335 {L"pass", cmd_pass},
1336 {L"cnct", cmd_fnetconnect},
1337 {L"lsnodes", cmd_lsnodes},
1338 {L"dcnct", cmd_disconnect},
1339 {L"lspa", cmd_lspa},
1340 {L"lspeers", cmd_lspeers},
1341 {L"download", cmd_download},
1342 {L"lstrans", cmd_lstrans},
1343 {L"cancel", cmd_cancel},
1344 {L"notify", cmd_notify},
1345 {L"sendchat", cmd_sendchat},
1346 {L"search", cmd_search},
1347 {L"lssrch", cmd_lssrch},
1348 {L"lssr", cmd_lssr},
1349 {L"cansrch", cmd_cansrch},
1350 {L"filtercmd", cmd_filtercmd},
1351 {L"lstrarg", cmd_lstrarg},
1352 {L"hashstatus", cmd_hashstatus},
1353 {L"transstatus", cmd_transstatus},
1354 {L"register", cmd_register},
1355 {L"sendmsg", cmd_sendmsg},
1356 {L"uptime", cmd_uptime},
1360 static void freequeuecmd(struct qcommand *qcmd)
1364 if(qcmd->argv != NULL)
1366 for(i = 0; i < qcmd->argc; i++)
1367 free(qcmd->argv[i]);
1373 static struct qcommand *unlinkqcmd(struct uidata *data)
1375 struct qcommand *qcmd;
1380 data->queue = qcmd->next;
1381 if(qcmd == data->queuelast)
1382 data->queuelast = qcmd->next;
1387 static void notifappendv(struct notif *notif, va_list args)
1391 while((dt = va_arg(args, int)) != NOTIF_END)
1394 notif->argv = realloc(notif->argv, sizeof(*notif->argv) * ++notif->argc);
1395 notif->argv[ca].dt = dt;
1400 notif->argv[ca].d.n = va_arg(args, int);
1403 notif->argv[ca].d.s = wcsdup(va_arg(args, wchar_t *));
1406 notif->argv[ca].d.d = va_arg(args, double);
1412 static void notifappend(struct notif *notif, ...)
1416 va_start(args, notif);
1417 notifappendv(notif, args);
1421 static struct notif *newnotif(struct uidata *data, int code, ...)
1423 struct notif *notif;
1426 notif = smalloc(sizeof(*notif));
1427 memset(notif, 0, sizeof(*notif));
1428 notif->rlimit = 0.0;
1431 va_start(args, code);
1432 notifappendv(notif, args);
1435 notif->prev = data->lnotif;
1436 if(data->lnotif != NULL)
1437 data->lnotif->next = notif;
1439 data->fnotif = notif;
1440 data->lnotif = notif;
1444 static void freenotif(struct notif *notif)
1448 if(notif->next != NULL)
1449 notif->next->prev = notif->prev;
1450 if(notif->prev != NULL)
1451 notif->prev->next = notif->next;
1452 if(notif == notif->ui->fnotif)
1453 notif->ui->fnotif = notif->next;
1454 if(notif == notif->ui->lnotif)
1455 notif->ui->lnotif = notif->prev;
1456 if(notif->exptimer != NULL)
1457 canceltimer(notif->exptimer);
1458 for(i = 0; i < notif->argc; i++)
1460 if(notif->argv[i].dt == NOTIF_STR)
1461 free(notif->argv[i].d.s);
1463 if(notif->argv != NULL)
1468 static void notifexpire(int cancelled, struct notif *notif)
1470 notif->exptimer = NULL;
1475 static struct notif *findnotif(struct notif *notif, int dir, int state, int code, int id)
1479 for(; notif != NULL; notif = (dir?notif->next:notif->prev))
1481 if((notif->code == code) && ((state < 0) || (state == notif->state)))
1486 for(i = 0; i < notif->argc; i++)
1488 if((notif->argv[i].dt == NOTIF_ID) && (notif->argv[i].d.n != id))
1503 static void freeuidata(struct uidata *data)
1506 struct qcommand *qcmd;
1508 if(data->next != NULL)
1509 data->next->prev = data->prev;
1510 if(data->prev != NULL)
1511 data->prev->next = data->next;
1513 actives = data->next;
1514 data->sk->readcb = NULL;
1515 data->sk->errcb = NULL;
1517 while((qcmd = unlinkqcmd(data)) != NULL)
1519 iconv_close(data->ichandle);
1520 if(data->cw != NULL)
1522 if(data->cb != NULL)
1524 if(data->argv != NULL)
1526 for(i = 0; i < data->argc; i++)
1527 free(data->argv[i]);
1530 if(data->auth != NULL)
1531 authputhandle(data->auth);
1532 if(data->regname != NULL)
1533 free(data->regname);
1534 if(data->username != NULL)
1536 if(data->userinfo != NULL)
1537 flog(LOG_INFO, "%ls logged out", data->username);
1538 free(data->username);
1541 while(data->fnotif != NULL)
1542 freenotif(data->fnotif);
1543 if(data->fcmdbuf != NULL)
1544 free(data->fcmdbuf);
1545 if(data->fcmdpid != 0)
1546 kill(-data->fcmdpid, SIGHUP);
1547 if(data->fcmdsk != NULL)
1548 putsock(data->fcmdsk);
1552 static void queuecmd(struct uidata *data, struct command *cmd, int argc, wchar_t **argv)
1554 struct qcommand *new;
1556 new = smalloc(sizeof(*new));
1561 if(data->queuelast != NULL)
1562 data->queuelast->next = new;
1563 data->queuelast = new;
1564 if(data->queue == NULL)
1568 static struct uidata *newuidata(struct socket *sk)
1570 struct uidata *data;
1571 static int curid = 0;
1573 data = smalloc(sizeof(*data));
1574 memset(data, 0, sizeof(*data));
1578 data->inbuf = smalloc(1024);
1580 if((data->ichandle = iconv_open("wchar_t", "utf-8")) == (iconv_t)-1)
1582 flog(LOG_CRIT, "iconv cannot handle UTF-8: %s", strerror(errno));
1585 data->next = actives;
1588 actives->prev = data;
1593 static void uiread(struct socket *sk, struct uidata *data)
1599 size_t datalen, len2;
1600 struct command *cur;
1602 if(data->indata > 1024)
1604 if((newbuf = sockgetinbuf(sk, &datalen)) == NULL)
1606 sizebuf(&data->inbuf, &data->inbufsize, data->indata + datalen, 1, 1);
1607 memcpy(data->inbuf + data->indata, newbuf, datalen);
1609 data->indata += datalen;
1610 if(data->cb == NULL)
1612 data->cb = smalloc(sizeof(wchar_t) * (data->cbsize = 64));
1614 data->pp = data->cb;
1619 if(data->cbsize == data->cbdata)
1621 len2 = data->pp - data->cb;
1622 data->cb = srealloc(data->cb, sizeof(wchar_t) * (data->cbsize *= 2));
1623 data->pp = data->cb + len2;
1626 p2 = (char *)(porig = (data->cb + data->cbdata));
1627 len2 = sizeof(wchar_t) * (data->cbsize - data->cbdata);
1628 ret = iconv(data->ichandle, &p1, &data->indata, &p2, &len2);
1629 memmove(data->inbuf, p1, data->indata);
1630 /* Just a sanity check */
1631 if(((p2 - ((char *)data->cb)) % sizeof(wchar_t)) != 0)
1633 flog(LOG_CRIT, "Aiya! iconv does strange things to our wchar_t's!");
1636 data->cbdata += (((wchar_t *)p2) - porig);
1642 /* XXX: Should this really just ignore it? */
1650 /* Just a sanity check */
1651 if(data->cbsize != data->cbdata)
1653 flog(LOG_CRIT, "Aiya! iconv doesn't give us wchar_t's!");
1658 flog(LOG_WARNING, "bug: strange error from iconv in uiread: %s", strerror(errno));
1666 while(!done && (data->pp - data->cb < data->cbdata))
1671 if(iswspace(*data->pp))
1673 if(*data->pp == L'\r')
1675 if(data->pp == data->cb + data->cbdata - 1)
1680 if(*(++data->pp) == L'\n')
1682 if((data->argv != NULL) && (data->argv[0] != NULL))
1684 for(cur = commands; cur->handler != NULL; cur++)
1686 if(cur->name == NULL)
1688 if(!wcscasecmp(cur->name, data->argv[0]))
1690 queuecmd(data, cur, data->argc, data->argv);
1694 if(cur->handler == NULL)
1695 queuecmd(data, &commands[1], data->argc, data->argv);
1697 queuecmd(data, &commands[1], data->argc, data->argv);
1702 wmemmove(data->cb, data->pp, data->cbdata -= (data->pp - data->cb));
1703 data->pp = data->cb;
1716 if(iswspace(*data->pp))
1718 addtobuf(data->cw, L'\0');
1719 sizebuf(&data->argv, &data->args, data->argc + 1, sizeof(*data->argv), 1);
1720 data->argv[data->argc++] = data->cw;
1725 } else if(*data->pp == L'\"') {
1728 } else if(*data->pp == L'\\') {
1729 if(data->pp == data->cb + data->cbdata - 1)
1734 addtobuf(data->cw, *(++data->pp));
1737 addtobuf(data->cw, *(data->pp++));
1741 if(*data->pp == L'\"')
1744 } else if(*data->pp == L'\\') {
1745 if(data->pp == data->cb + data->cbdata - 1)
1750 addtobuf(data->cw, *(++(data->pp)));
1752 addtobuf(data->cw, *data->pp);
1760 static void uierror(struct socket *sk, int err, struct uidata *data)
1763 flog(LOG_WARNING, "error occurred on UI socket: %s", strerror(err));
1767 static void uiaccept(struct socket *sk, struct socket *newsk, void *data)
1769 struct uidata *uidata;
1771 newsk->data = uidata = newuidata(newsk);
1772 socksettos(newsk, confgetint("ui", "uitos"));
1775 newsk->errcb = (void (*)(struct socket *, int, void *))uierror;
1776 newsk->readcb = (void (*)(struct socket *, void *))uiread;
1777 queuecmd(uidata, &commands[0], 0, NULL);
1780 static int srcheta(struct search *srch, void *uudata)
1782 struct uidata *data;
1784 for(data = actives; data != NULL; data = data->next)
1786 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
1787 newnotif(data, 620, NOTIF_ID, srch->id, NOTIF_INT, srch->eta - time(NULL), NOTIF_END);
1792 static int srchcommit(struct search *srch, void *uudata)
1794 struct uidata *data;
1796 for(data = actives; data != NULL; data = data->next)
1798 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
1799 newnotif(data, 621, NOTIF_ID, srch->id, NOTIF_END);
1804 static int srchres(struct search *srch, struct srchres *sr, void *uudata)
1806 struct uidata *data;
1808 for(data = actives; data != NULL; data = data->next)
1810 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
1812 newnotif(data, 622, NOTIF_ID, srch->id, NOTIF_STR, sr->filename, NOTIF_STR, sr->fnet->name, NOTIF_STR, sr->peerid, NOTIF_INT, sr->size,
1813 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);
1819 static int recvchat(struct fnetnode *fn, int public, wchar_t *name, wchar_t *peer, wchar_t *string, void *uudata)
1821 struct uidata *data;
1823 for(data = actives; data != NULL; data = data->next)
1825 if(haspriv(data, PERM_CHAT) && data->notify.b.fnchat)
1826 newnotif(data, 600, NOTIF_ID, fn->id, NOTIF_INT, public, NOTIF_STR, name, NOTIF_STR, peer, NOTIF_STR, string, NOTIF_END);
1831 static int fnactive(struct fnetnode *fn, wchar_t *attrib, void *uudata)
1833 struct uidata *data;
1834 struct notif *notif;
1836 if(!wcscmp(attrib, L"state"))
1838 for(data = actives; data != NULL; data = data->next)
1840 if(data->notify.b.fnact)
1841 newnotif(data, 601, NOTIF_ID, fn->id, NOTIF_INT, fn->state, NOTIF_END);
1843 } else if(!wcscmp(attrib, L"name")) {
1844 for(data = actives; data != NULL; data = data->next)
1846 if(data->notify.b.fnact)
1847 newnotif(data, 602, NOTIF_ID, fn->id, NOTIF_STR, fn->name, NOTIF_END);
1849 } else if(!wcscmp(attrib, L"numpeers")) {
1850 for(data = actives; data != NULL; data = data->next)
1852 if(data->notify.b.fnact)
1854 if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 605, fn->id)) != NULL)
1855 notif->argv[1].d.n = fn->numpeers;
1857 newnotif(data, 605, NOTIF_ID, fn->id, NOTIF_INT, fn->numpeers, NOTIF_END)->rlimit = 0.5;
1864 static int fnunlink(struct fnetnode *fn, void *uudata)
1866 struct uidata *data;
1868 for(data = actives; data != NULL; data = data->next)
1870 if(data->notify.b.fnact)
1871 newnotif(data, 603, NOTIF_ID, fn->id, NOTIF_END);
1876 static int peernew(struct fnetnode *fn, struct fnetpeer *peer, void *uudata)
1878 struct uidata *data;
1880 for(data = actives; data != NULL; data = data->next)
1882 if(data->notify.b.fnpeer)
1883 newnotif(data, 630, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_STR, peer->nick, NOTIF_END);
1888 static int peerdel(struct fnetnode *fn, struct fnetpeer *peer, void *uudata)
1890 struct uidata *data;
1892 for(data = actives; data != NULL; data = data->next)
1894 if(data->notify.b.fnpeer)
1895 newnotif(data, 631, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_END);
1900 static int peerchange(struct fnetnode *fn, struct fnetpeer *peer, struct fnetpeerdi *di, void *uudata)
1902 struct uidata *data;
1903 struct notif *notif;
1906 for(data = actives; data != NULL; data = data->next)
1908 if(data->notify.b.fnpeer)
1910 for(notif = data->fnotif; notif != NULL; notif = notif->next)
1912 if((notif->code == 632) && (notif->state == NOTIF_PEND) && (notif->argv[0].d.n == fn->id) && !wcscmp(notif->argv[1].d.s, peer->id))
1916 notif = newnotif(data, 632, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_STR, peer->nick, NOTIF_END);
1917 notifappend(notif, NOTIF_STR, di->datum->id, NOTIF_INT, di->datum->datatype, NOTIF_END);
1918 switch(di->datum->datatype)
1921 notifappend(notif, NOTIF_INT, di->data.num, NOTIF_END);
1924 notifappend(notif, NOTIF_STR, di->data.str, NOTIF_END);
1927 swprintf(buf, sizeof(buf) / sizeof(*buf), L"%lli", di->data.lnum);
1928 notifappend(notif, NOTIF_STR, buf, NOTIF_END);
1936 static int newfnetnode(struct fnetnode *fn, void *uudata)
1938 struct uidata *data;
1940 for(data = actives; data != NULL; data = data->next)
1942 if(data->notify.b.fnact)
1943 newnotif(data, 604, NOTIF_ID, fn->id, NOTIF_STR, fn->fnet->name, NOTIF_END);
1945 CBREG(fn, fnetnode_ac, fnactive, NULL, NULL);
1946 CBREG(fn, fnetnode_chat, recvchat, NULL, NULL);
1947 CBREG(fn, fnetnode_unlink, fnunlink, NULL, NULL);
1948 CBREG(fn, fnetpeer_new, peernew, NULL, NULL);
1949 CBREG(fn, fnetpeer_del, peerdel, NULL, NULL);
1950 CBREG(fn, fnetpeer_chdi, peerchange, NULL, NULL);
1954 static int transferchattr(struct transfer *transfer, wchar_t *attrib, void *uudata)
1956 struct uidata *data;
1958 if(!wcscmp(attrib, L"state"))
1960 for(data = actives; data != NULL; data = data->next)
1962 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1963 newnotif(data, 611, NOTIF_ID, transfer->id, NOTIF_INT, transfer->state, NOTIF_END);
1965 } else if(!wcscmp(attrib, L"nick")) {
1966 for(data = actives; data != NULL; data = data->next)
1968 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1969 newnotif(data, 612, NOTIF_ID, transfer->id, NOTIF_STR, transfer->peernick, NOTIF_END);
1971 } else if(!wcscmp(attrib, L"size")) {
1972 for(data = actives; data != NULL; data = data->next)
1974 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1975 newnotif(data, 613, NOTIF_ID, transfer->id, NOTIF_INT, transfer->size, NOTIF_END);
1977 } else if(!wcscmp(attrib, L"error")) {
1978 for(data = actives; data != NULL; data = data->next)
1980 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1981 newnotif(data, 614, NOTIF_ID, transfer->id, NOTIF_INT, transfer->error, NOTIF_END);
1983 } else if(!wcscmp(attrib, L"path")) {
1984 for(data = actives; data != NULL; data = data->next)
1986 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1987 newnotif(data, 616, NOTIF_ID, transfer->id, NOTIF_STR, transfer->path, NOTIF_END);
1989 } else if(!wcscmp(attrib, L"hash")) {
1990 for(data = actives; data != NULL; data = data->next)
1992 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1993 newnotif(data, 618, NOTIF_ID, transfer->id, NOTIF_STR, (transfer->hash == NULL)?L"":unparsehash(transfer->hash), NOTIF_END);
1999 static int transferprog(struct transfer *transfer, void *uudata)
2001 struct uidata *data;
2002 struct notif *notif;
2004 for(data = actives; data != NULL; data = data->next)
2006 if(haspriv(data, PERM_TRANS) && data->notify.b.trprog && ((transfer->owner == 0) || (transfer->owner == data->uid)))
2008 if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 615, transfer->id)) != NULL)
2009 notif->argv[1].d.n = transfer->curpos;
2011 newnotif(data, 615, NOTIF_ID, transfer->id, NOTIF_INT, transfer->curpos, NOTIF_END)->rlimit = 0.5;
2017 static int transferdestroyed(struct transfer *transfer, void *uudata)
2019 struct uidata *data;
2021 for(data = actives; data != NULL; data = data->next)
2023 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
2024 newnotif(data, 617, NOTIF_ID, transfer->id, NOTIF_STR, (transfer->exitstatus == NULL)?L"":(transfer->exitstatus), NOTIF_END);
2029 static int newtransfernotify(struct transfer *transfer, void *uudata)
2031 struct uidata *data;
2033 for(data = actives; data != NULL; data = data->next)
2035 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
2036 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);
2038 CBREG(transfer, trans_ac, transferchattr, NULL, NULL);
2039 CBREG(transfer, trans_p, transferprog, NULL, NULL);
2040 CBREG(transfer, trans_destroy, transferdestroyed, NULL, NULL);
2044 static struct uiuser *newuser(wchar_t *name, unsigned long perms)
2048 new = smalloc(sizeof(*new));
2050 new->name = swcsdup(name);
2061 static void freeuser(struct uiuser *user)
2063 if(user->next != NULL)
2064 user->next->prev = user->prev;
2065 if(user->prev != NULL)
2066 user->prev->next = user->next;
2073 static int conf_user(int argc, wchar_t **argv)
2075 int i, perms, permmod;
2076 struct uiuser *user;
2081 flog(LOG_WARNING, "not enough arguments given for user command");
2085 for(i = 2; i < argc; i++)
2087 if(!iswalpha(argv[i][0]))
2091 if(!wcscmp(p, L"disallow"))
2092 permmod = PERM_DISALLOW;
2093 if(!wcscmp(p, L"admin"))
2094 permmod = PERM_ADMIN;
2095 if(!wcscmp(p, L"fnetctl"))
2096 permmod = PERM_FNETCTL;
2097 if(!wcscmp(p, L"trans"))
2098 permmod = PERM_TRANS;
2099 if(!wcscmp(p, L"transcu"))
2100 permmod = PERM_TRANSCU;
2101 if(!wcscmp(p, L"chat"))
2102 permmod = PERM_CHAT;
2103 if(!wcscmp(p, L"srch"))
2104 permmod = PERM_SRCH;
2105 if(!wcscmp(p, L"all"))
2107 if(argv[i][0] == L'-')
2112 if((user = finduser(argv[1])) == NULL)
2114 newuser(argv[1], perms);
2117 user->perms = perms;
2122 static void preinit(int hup)
2124 struct uiuser *user;
2128 newuser(L"default", 0);
2130 for(user = users; user != NULL; user = user->next)
2132 if(!wcscmp(user->name, L"default"))
2138 static int portupdate(struct configvar *var, void *uudata)
2140 struct socket *newsock;
2142 if((uisocket = netcstcplisten(var->val.num, 1, uiaccept, NULL)) == NULL)
2144 flog(LOG_WARNING, "could not create new UI socket, reverting to old: %s", strerror(errno));
2147 if(uisocket != NULL)
2153 static int init(int hup)
2155 struct uiuser *user, *next;
2159 for(user = users; user != NULL; user = next)
2168 starttime = time(NULL);
2169 if(uisocket != NULL)
2171 if((uisocket = netcstcplisten(confgetint("ui", "port"), 1, uiaccept, NULL)) == NULL)
2173 flog(LOG_CRIT, "could not create UI socket: %s", strerror(errno));
2176 CBREG(confgetvar("ui", "port"), conf_update, portupdate, NULL, NULL);
2177 GCBREG(newfncb, newfnetnode, NULL);
2178 GCBREG(newtransfercb, newtransfernotify, NULL);
2183 static int run(void)
2186 struct uidata *data, *next;
2187 struct qcommand *qcmd;
2188 struct notif *notif, *nnotif;
2191 for(data = actives; data != NULL; data = next)
2197 for(data = actives; data != NULL; data = data->next)
2199 for(notif = data->fnotif; notif != NULL; notif = nnotif)
2201 nnotif = notif->next;
2202 if(notif->state == NOTIF_WAIT)
2205 for(i = 0; i < notif->argc; i++)
2207 if(notif->argv[i].dt == NOTIF_ID)
2209 id = notif->argv[i].d.n;
2213 if(findnotif(notif->prev, 0, -1, notif->code, id) != NULL)
2215 sq(data->sk, 2, L"%%i", notif->code, NULL);
2216 for(i = 0; i < notif->argc; i++)
2218 switch(notif->argv[i].dt)
2222 sq(data->sk, 2, L"%%i", notif->argv[i].d.n, NULL);
2225 if(notif->argv[i].d.s[0] == L'%')
2226 sq(data->sk, 2, L"%%s", notif->argv[i].d.s, NULL);
2228 sq(data->sk, 2, notif->argv[i].d.s, NULL);
2231 swprintf(buf, 64, L"%f", notif->argv[i].d.d);
2232 sq(data->sk, 2, buf, NULL);
2236 sq(data->sk, 0, NULL);
2237 if(notif->rlimit != 0)
2239 notif->state = NOTIF_WAIT;
2240 notif->exptimer = timercallback(ntime() + notif->rlimit, (void (*)(int, void *))notifexpire, notif);
2245 if((qcmd = unlinkqcmd(data)) != NULL)
2247 qcmd->cmd->handler(data->sk, data, qcmd->argc, qcmd->argv);
2255 static void terminate(void)
2257 while(users != NULL)
2261 static struct configvar myvars[] =
2263 {CONF_VAR_BOOL, "onlylocal", {.num = 1}},
2264 {CONF_VAR_INT, "port", {.num = 1500}},
2265 {CONF_VAR_INT, "uitos", {.num = SOCK_TOS_MINDELAY}},
2266 {CONF_VAR_STRING, "filtercmd", {.str = L"dc-filtercmd"}},
2270 static struct configcmd mycmds[] =
2272 {"user", conf_user},
2276 static struct module me =
2287 .terminate = terminate