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;
135 struct uiuser *userinfo;
137 struct notif *fnotif, *lnotif;
139 size_t fcmdbufdata, fcmdbufsize;
141 struct socket *fcmdsk;
144 size_t inbufsize, indata;
145 /* Wordset storage */
148 /* WCS conversation stuff */
149 wchar_t *cb; /* Conversation buffer */
150 size_t cbsize, cbdata;
153 int ps; /* Parser state */
154 wchar_t *pp; /* Current parse pointer */
155 wchar_t *cw; /* Current word (building storage) */
156 size_t cwsize, cwdata;
159 static int srcheta(struct search *srch, void *uudata);
160 static int srchcommit(struct search *srch, void *uudata);
161 static int srchres(struct search *srch, struct srchres *sr, void *uudata);
163 struct uiuser *users = NULL;
164 struct uidata *actives = NULL;
165 struct socket *uisocket = NULL;
167 static wchar_t *quoteword(wchar_t *word)
169 wchar_t *wp, *buf, *bp;
179 for(wp = word; *wp != L'\0'; wp++)
181 if(!dq && iswspace(*wp))
183 if((*wp == L'\\') || (*wp == L'\"'))
190 bp = buf = smalloc(sizeof(wchar_t) * (numc + numbs + (dq?2:0) + 1));
193 for(wp = word; *wp != L'\0'; wp++)
195 if((*wp == L'\\') || (*wp == L'\"'))
205 static void sq(struct socket *sk, int cont, ...)
211 wchar_t *part, *tpart;
212 size_t bufsize, bufdata;
215 bufsize = bufdata = 0;
218 while((part = va_arg(al, wchar_t *)) != NULL)
223 * This kludge demands that all arguments that you call it
224 * with are the size of an int. That happens to be the
225 * case for most datatypes on most platforms and
226 * compilers, but I don't know exactly which ones, and
227 * also a long long is a notable candidate of an arg that
228 * is not the size of an int on 32-bit archs. If it breaks
229 * some existing call on your architecture, please tell
232 part = vswprintf2(tpart = (part + 1), al);
233 for(; *tpart != L'\0'; tpart++)
247 if((tpart = quoteword(part)) != NULL)
254 if((num > 1) || ((num == 1) && !(cont & 1)))
256 bufcat(buf, part, wcslen(part));
257 if((num == 0) && (cont & 1))
264 bufcat(buf, L" \0", 2);
266 bufcat(buf, L"\r\n\0", 3);
267 if((final = icwcstombs(buf, "utf-8")) == NULL)
269 flog(LOG_CRIT, "could not convert \"%ls\" into utf-8: %s", buf, strerror(errno));
275 sockqueue(sk, final, strlen(final));
279 struct uiuser *finduser(wchar_t *name)
283 for(user = users; user != NULL; user = user->next)
285 if(!wcscmp(user->name, name))
291 static void logout(struct uidata *data)
293 data->userinfo = NULL;
294 if(data->username != NULL)
295 free(data->username);
296 data->username = NULL;
297 if(data->auth != NULL)
298 authputhandle(data->auth);
302 static int haspriv(struct uidata *data, int perm)
304 if(data->userinfo == NULL)
306 if(data->userinfo->perms & perm)
312 /* Useful macros for the command functions: */
313 #define haveargs(n) do { if(argc < n) { sq(sk, 0, L"501", L"Wrong number of arguments", NULL); return; } } while(0)
314 #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)
316 static void cmd_connect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
319 struct in6_addr mv4lo;
321 if(confgetint("ui", "onlylocal"))
323 switch(sk->remote->sa_family)
326 valid = ((struct sockaddr_in *)sk->remote)->sin_addr.s_addr == INADDR_LOOPBACK;
329 inet_pton(AF_INET6, "::ffff:127.0.0.1", &mv4lo);
331 if(!memcmp(&((struct sockaddr_in6 *)sk->remote)->sin6_addr, &in6addr_loopback, sizeof(in6addr_loopback)))
333 if(!memcmp(&((struct sockaddr_in6 *)sk->remote)->sin6_addr, &mv4lo, sizeof(in6addr_loopback)))
342 sq(sk, 0, L"502", L"Only localhost connections allowed to this host", NULL);
348 sq(sk, 0, L"200", L"%Dolda Connect daemon v%s", VERSION, NULL);
351 static void cmd_notfound(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
353 if((argv != NULL) && (argv[0] != NULL))
354 sq(sk, 0, L"500", L"%Command not found: %ls", argv[0], NULL);
356 sq(sk, 0, L"500", L"No command", NULL);
359 static void cmd_shutdown(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
361 extern volatile int running;
363 havepriv(PERM_ADMIN);
364 flog(LOG_NOTICE, "UI shutdown request from %ls, shutting down", data->username);
366 sq(sk, 0, L"200", L"Daemon shutting down", NULL);
369 static void cmd_quit(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
371 sq(sk, 0, L"200", L"Closing connection", NULL);
375 static void cmd_lsauth(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
377 struct authmech *mech, *prev;
380 for(mech = mechs; mech != NULL; mech = mech->next)
385 sq(sk, 1, L"200", prev->name, NULL);
390 sq(sk, 0, L"201", L"No authentication methods supported", NULL);
392 sq(sk, 0, L"200", prev->name, NULL);
395 static void cmd_login(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
402 if(data->username != NULL)
404 if(data->userinfo != NULL)
405 sq(sk, 0, L"503", L"Already logged in", NULL);
407 sq(sk, 0, L"503", L"Already logging in", NULL);
410 if((buf = icwcstombs(argv[2], NULL)) == NULL)
412 sq(sk, 0, L"504", L"Could not convert username to locale charset", NULL);
415 data->username = swcsdup(argv[2]);
416 if((pwd = getpwnam(buf)) == NULL)
419 data->uid = pwd->pw_uid;
420 if((data->auth = initauth(argv[1], buf)) == NULL)
423 sq(sk, 0, L"508", L"No such authentication mechanism", NULL);
425 sq(sk, 0, L"505", L"Could not initialize authentication system", L"%%s", strerror(errno), NULL);
431 switch(authenticate(data->auth, NULL))
434 data->userinfo = finduser(data->username);
435 if(data->userinfo == NULL)
436 data->userinfo = finduser(L"default");
439 sq(sk, 0, L"506", L"Authentication error", NULL);
440 flog(LOG_INFO, "user %ls authenticated successfully from %s, but no account existed", data->username, formataddress(sk->remote, sk->remotelen));
442 } else if((data->userinfo == NULL) || (data->userinfo->perms & PERM_DISALLOW)) {
443 sq(sk, 0, L"506", L"Authentication error", NULL);
444 flog(LOG_INFO, "user %ls authenticated successfully from %s, but was not authorized", data->username, formataddress(sk->remote, sk->remotelen));
447 sq(sk, 0, L"200", L"Welcome", NULL);
448 flog(LOG_INFO, "%ls (UID %i) logged in from %s", data->username, data->uid, formataddress(sk->remote, sk->remotelen));
452 sq(sk, 0, L"506", L"Authentication error", L"%%ls", (data->auth->text == NULL)?L"":(data->auth->text), NULL);
453 flog(LOG_INFO, "authentication failed for %ls from %s", data->username, formataddress(sk->remote, sk->remotelen));
457 switch(data->auth->prompt)
475 sq(sk, 0, L"%%i", code, data->auth->text, NULL);
478 sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL);
482 flog(LOG_WARNING, "BUG? Non-caught return from authenticate in cmd_login");
483 sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL);
489 static void cmd_pass(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
495 if((buf = icwcstombs(argv[1], NULL)) == NULL)
497 sq(sk, 0, L"504", L"Could not convert data to locale charset", NULL);
500 if((data->auth == NULL) || (data->userinfo != NULL))
502 sq(sk, 0, L"507", L"Data not expected", NULL);
505 switch(authenticate(data->auth, buf))
508 data->userinfo = finduser(data->username);
509 if(data->userinfo == NULL)
510 data->userinfo = finduser(L"default");
513 sq(sk, 0, L"506", L"Authentication error", NULL);
514 flog(LOG_INFO, "user %ls authenticated successfully from %s, but no account existed", data->username, formataddress(sk->remote, sk->remotelen));
516 } else if((data->userinfo == NULL) || (data->userinfo->perms & PERM_DISALLOW)) {
517 sq(sk, 0, L"506", L"Authentication error", NULL);
518 flog(LOG_INFO, "user %ls authenticated successfully from %s, but was not authorized", data->username, formataddress(sk->remote, sk->remotelen));
521 sq(sk, 0, L"200", L"Welcome", NULL);
522 flog(LOG_INFO, "%ls (UID %i) logged in from %s", data->username, data->uid, formataddress(sk->remote, sk->remotelen));
526 sq(sk, 0, L"506", L"Authentication error", L"%%ls", (data->auth->text == NULL)?L"":(data->auth->text), NULL);
527 flog(LOG_INFO, "authentication failed for %ls from %s", data->username, formataddress(sk->remote, sk->remotelen));
531 switch(data->auth->prompt)
549 sq(sk, 0, L"%%i", code, data->auth->text, NULL);
552 sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL);
556 flog(LOG_WARNING, "BUG? Non-caught return from authenticate in cmd_pass");
557 sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL);
564 static void cmd_fnetconnect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
570 struct wcspair *args;
573 havepriv(PERM_FNETCTL);
574 for(i = 0, fn = fnetnodes; fn != NULL; i++, fn = fn->next);
575 if((confgetint("fnet", "maxnodes") > 0) && (i >= confgetint("fnet", "maxnodes"))) {
576 sq(sk, 0, L"515", L"Too many fnetnodes connected already", NULL);
579 if((buf = icwcstombs(argv[2], NULL)) == NULL)
581 sq(sk, 0, L"504", L"Could not convert data to locale charset", NULL);
585 for(i = 3; i < argc - 1; i += 2)
586 newwcspair(argv[i], argv[i + 1], &args);
587 fn = fnetinitconnect(argv[1], buf, args);
592 if(errno == EPROTONOSUPPORT)
593 sq(sk, 0, L"511", L"No such network name", NULL);
595 sq(sk, 0, L"509", L"Could not parse the address", L"%%s", strerror(err), NULL);
599 fnetsetname(fn, argv[2]);
600 sq(sk, 0, L"200", L"%%i", fn->id, L"Connection under way", NULL);
604 static void cmd_lsnodes(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
608 if(fnetnodes == NULL)
610 sq(sk, 0, L"201", L"No connected nodes", NULL);
613 for(fn = fnetnodes; fn != NULL; fn = fn->next)
615 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);
619 static void cmd_disconnect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
625 havepriv(PERM_FNETCTL);
626 /* Note - Programmatical user interfaces must only give one
627 * argument per command, the multiple argument form is only for
628 * convenience when manually controlling the daemon via
629 * eg. telnet. The reason is that the return codes aren't clear
630 * enough for the multiple argument form. */
631 for(i = 1; i < argc; i++)
633 if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL)
635 sq(sk, 0, L"510", L"No such node", NULL);
641 sq(sk, 0, L"200", L"Node flagged for disconnection", NULL);
644 static void cmd_lspa(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
647 struct fnetpeerdatum *datum;
650 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
652 sq(sk, 0, L"510", L"No such node", NULL);
655 if(fn->peerdata == NULL)
657 sq(sk, 0, L"201", L"No data available", NULL);
659 for(datum = fn->peerdata; datum != NULL; datum = datum->next)
660 sq(sk, (datum->next != NULL)?1:0, L"200", datum->id, L"%%i", datum->datatype, NULL);
664 static void cmd_lspeers(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
668 struct fnetpeer *peer;
672 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
674 sq(sk, 0, L"510", L"No such node", NULL);
677 if(fn->peers == NULL)
679 sq(sk, 0, L"201", L"No peers avaiable", NULL);
681 for(peer = fn->peers; peer != NULL; peer = peer->next)
683 sq(sk, 2 | ((peer->next != NULL)?1:0), L"200", peer->id, peer->nick, NULL);
684 for(i = 0; i < peer->dinum; i++)
686 if(peer->peerdi[i].datum->datatype == FNPD_INT)
687 sq(sk, 2, peer->peerdi[i].datum->id, L"%%i", peer->peerdi[i].data.num, NULL);
688 /* Note: A long long is not the size of an int, so
689 * sq() can't handle the conversion itself. */
690 if(peer->peerdi[i].datum->datatype == FNPD_LL)
692 swprintf(buf, 40, L"%lli", peer->peerdi[i].data.lnum);
693 sq(sk, 2, peer->peerdi[i].datum->id, buf, NULL);
695 if((peer->peerdi[i].datum->datatype == FNPD_STR) && (peer->peerdi[i].data.str != NULL))
696 sq(sk, 2, peer->peerdi[i].datum->id, peer->peerdi[i].data.str, NULL);
703 static void cmd_download(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
708 struct transfer *transfer;
709 struct fnetpeer *peer;
712 if((argc > 5) && ((argc % 2) == 0))
714 sq(sk, 0, L"501", L"Must have an even number of arguments", NULL);
717 havepriv(PERM_TRANS);
718 if((*(argv[1]) >= L'0') && (*(argv[1]) <= L'9'))
720 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
722 sq(sk, 0, L"510", L"No such node", NULL);
728 if((net = findfnet(argv[1])) == NULL)
730 sq(sk, 0, L"511", L"No such network name", NULL);
734 transfer = newtransfer();
735 authgethandle(transfer->auth = data->auth);
736 transfer->fnet = net;
737 transfer->peerid = swcsdup(argv[2]);
738 transfer->path = swcsdup(argv[3]);
739 transfer->dir = TRNSD_DOWN;
740 transfer->owner = data->uid;
745 linktransfer(transfer);
746 if(((peer = fnetfindpeer(fn, transfer->peerid)) != NULL) && (peer->nick != NULL))
747 transfersetnick(transfer, peer->nick);
749 linktransfer(transfer);
752 transfersetsize(transfer, wcstol(argv[4], NULL, 0));
755 for(i = 5; i < argc; i += 2)
757 if(!wcscmp(argv[i], L"hash"))
759 transfersethash(transfer, parsehash(argv[i + 1]));
761 newwcspair(argv[i], argv[i + 1], &transfer->args);
765 sq(sk, 0, L"200", L"%%i", transfer->id, L"Download queued", NULL);
766 transfersetactivity(transfer, L"create");
769 static void cmd_lstrans(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
771 struct transfer *transfer, *pt;
773 havepriv(PERM_TRANS);
775 for(transfer = transfers; transfer != NULL; transfer = transfer->next)
777 if((transfer->dir != TRNSD_DOWN) || (transfer->owner == data->uid))
780 sq(sk, 1, L"200", L"%%i", pt->id, L"%%i", pt->dir,
781 L"%%i", pt->state, pt->peerid,
782 (pt->peernick == NULL)?L"":(pt->peernick),
783 (pt->path == NULL)?L"":(pt->path),
784 L"%%i", pt->size, L"%%i", pt->curpos,
785 (pt->hash == NULL)?L"":unparsehash(pt->hash),
791 sq(sk, 0, L"201", L"No transfers", NULL);
793 sq(sk, 0, L"200", L"%%i", pt->id, L"%%i", pt->dir,
794 L"%%i", pt->state, pt->peerid,
795 (pt->peernick == NULL)?L"":(pt->peernick),
796 (pt->path == NULL)?L"":(pt->path),
797 L"%%i", pt->size, L"%%i", pt->curpos,
798 (pt->hash == NULL)?L"":unparsehash(pt->hash),
802 static void cmd_cancel(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
804 struct transfer *transfer;
807 havepriv(PERM_TRANS);
808 if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL)
810 sq(sk, 0, L"512", L"No such transfer", NULL);
813 if((transfer->dir == TRNSD_UP) && !(data->userinfo->perms & PERM_TRANSCU))
815 sq(sk, 0, L"502", L"You are not allowed to cancel uploads", NULL);
818 if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid))
820 sq(sk, 0, L"502", L"You do not own that transfer", NULL);
824 sq(sk, 0, L"200", L"Transfer cancelled", NULL);
827 static void cmd_notify(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
833 sq(sk, 0, L"501", L"Must have an even number of arguments", NULL);
836 for(i = 1; i < argc; i += 2)
838 if(!wcscasecmp(argv[i + 1], L"on"))
842 if(!wcscasecmp(argv[i], L"all"))
848 } else if(!wcscasecmp(argv[i], L"fn:chat")) {
849 data->notify.b.fnchat = val;
850 } else if(!wcscasecmp(argv[i], L"fn:act")) {
851 data->notify.b.fnact = val;
852 } else if(!wcscasecmp(argv[i], L"fn:peer")) {
853 data->notify.b.fnpeer = val;
854 } else if(!wcscasecmp(argv[i], L"trans:act")) {
855 data->notify.b.tract = val;
856 } else if(!wcscasecmp(argv[i], L"trans:prog")) {
857 data->notify.b.trprog = val;
858 } else if(!wcscasecmp(argv[i], L"srch:act")) {
859 data->notify.b.srch = val;
862 sq(sk, 0, L"200", L"Notification alteration succeeded", NULL);
865 static void cmd_sendchat(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
872 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
874 sq(sk, 0, L"510", L"No such node", NULL);
877 public = wcstol(argv[2], NULL, 0);
878 if((public != 0) && (public != 1))
880 sq(sk, 0, L"509", L"Second argument must be 0 or 1", NULL);
883 if(fn->state != FNN_EST)
885 sq(sk, 0, L"513", L"Hub is in state FNN_EST", NULL);
888 if(fnetsendchat(fn, public, argv[3], argv[4]))
891 sq(sk, 0, L"513", L"This network does not support chatting", NULL);
892 else if(errno == EPERM)
893 sq(sk, 0, L"502", L"This node does not allow you to chat", NULL);
894 else if(errno == EILSEQ)
895 sq(sk, 0, L"504", L"This network could not support all the characters in that message", NULL);
897 sq(sk, 0, L"505", L"Could not chat", NULL);
900 sq(sk, 0, L"200", L"Chat string sent", NULL);
903 static void cmd_search(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
912 srch = newsearch(data->username, NULL);
913 for(i = 1; i < argc; i++)
915 if(!wcscmp(argv[i], L"all"))
917 for(fn = fnetnodes; fn != NULL; fn = fn->next)
919 if(fn->state == FNN_EST)
920 searchaddfn(srch, fn);
924 } else if(!wcscmp(argv[i], L"prio")) {
927 sq(sk, 0, L"501", L"No argument to prio", NULL);
931 srch->prio = wcstol(argv[i], NULL, 0);
932 } else if(iswdigit(*argv[i])) {
933 if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL)
935 sq(sk, 0, L"510", L"No such node", NULL);
939 searchaddfn(srch, fn);
944 if(srch->fnl == NULL)
946 sq(sk, 0, L"501", L"No fnetnodes to search found on line", NULL);
952 sq(sk, 0, L"501", L"No search expression found on line", NULL);
956 if((sexpr = parsesexpr(argc - i, argv + i)) == NULL)
958 sq(sk, 0, L"509", L"Could not parse search expression", NULL);
963 getsexpr(srch->sexpr = sexpr);
965 CBREG(srch, search_eta, srcheta, NULL, NULL);
966 CBREG(srch, search_commit, srchcommit, NULL, NULL);
967 CBREG(srch, search_result, srchres, NULL, NULL);
968 sq(sk, 0, L"200", L"%%i", srch->id, L"%%i", srch->eta - time(NULL), NULL);
972 static void cmd_lssrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
974 struct search *srch, *pt;
980 for(srch = searches; srch != NULL; srch = srch->next)
982 if(!wcscmp(srch->owner, data->username))
985 sq(sk, 1, L"200", L"%%i", pt->id, L"%%i", pt->state, L"%%i", pt->eta - now, L"%%i", pt->numres, NULL);
990 sq(sk, 0, L"201", L"No searches", NULL);
992 sq(sk, 0, L"200", L"%%i", pt->id, L"%%i", pt->state, L"%%i", pt->eta - now, L"%%i", pt->numres, NULL);
995 static void cmd_lssr(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1002 havepriv(PERM_SRCH);
1003 if((srch = findsearch(wcstol(argv[1], NULL, 0))) == NULL)
1005 sq(sk, 0, L"514", L"No such search", NULL);
1008 if(srch->results == NULL)
1010 sq(sk, 0, L"201", L"No results", NULL);
1012 for(sr = srch->results; sr != NULL; sr = sr->next)
1014 swprintf(buf, 64, L"%f", sr->time);
1015 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);
1020 static void cmd_cansrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1022 struct search *srch;
1026 havepriv(PERM_SRCH);
1027 /* Note - Programmatical user interfaces must only give one
1028 * argument per command, the multiple argument form is only for
1029 * convenience when manually controlling the daemon via
1030 * eg. telnet. The reason is that the return codes aren't clear
1031 * enough for the multiple argument form. */
1032 for(i = 1; i < argc; i++)
1034 if((srch = findsearch(wcstol(argv[i], NULL, 0))) == NULL)
1036 sq(sk, 0, L"514", L"No such search", NULL);
1041 sq(sk, 0, L"200", L"Search cancelled", NULL);
1044 static void fcmdread(struct socket *sk, struct uidata *data)
1049 if((buf = sockgetinbuf(sk, &bufsize)) == NULL)
1051 bufcat(data->fcmdbuf, buf, bufsize);
1055 static void fcmderr(struct socket *sk, int err, struct uidata *data)
1057 wchar_t *wbuf, *p, *p2;
1061 flog(LOG_WARNING, "error occurred on filtercmd pipe socket: %s", strerror(err));
1062 kill(-data->fcmdpid, SIGHUP);
1063 putsock(data->fcmdsk);
1064 data->fcmdsk = NULL;
1065 if(data->fcmdbuf != NULL)
1067 free(data->fcmdbuf);
1068 data->fcmdbuf = NULL;
1070 data->fcmdbufsize = data->fcmdbufdata = 0;
1071 sq(data->sk, 0, L"505", L"An error occurred on the pipe to the filtercmd", L"%%s", strerror(err), NULL);
1074 putsock(data->fcmdsk);
1075 data->fcmdsk = NULL;
1077 if(data->fcmdbuf == NULL)
1079 wbuf = swcsdup(L"");
1081 addtobuf(data->fcmdbuf, 0);
1082 wbuf = icmbstowcs(data->fcmdbuf, NULL);
1083 free(data->fcmdbuf);
1085 data->fcmdbuf = NULL;
1086 data->fcmdbufsize = data->fcmdbufdata = 0;
1089 sq(data->sk, 0, L"504", L"Filtercmd sent data which could not be converted from the local charset", NULL);
1093 for(p2 = wcschr(p, L'\n'); p2 != NULL; p2 = wcschr(p, L'\n'))
1096 sq(data->sk, (*p2 == L'\0')?0:1, L"200", L"%%ls", p, NULL);
1102 sq(data->sk, 0, L"201", L"No data returned", NULL);
1104 sq(data->sk, 0, L"200", L"%%ls", p, NULL);
1109 static void cmd_filtercmd(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1115 char *filtercmd, *argbuf;
1116 size_t cargvsize, cargvdata;
1117 struct passwd *pwent;
1120 havepriv(PERM_TRANS);
1121 if((pwent = getpwuid(data->uid)) == NULL)
1123 flog(LOG_WARNING, "no passwd entry for UI user %i", data->uid);
1124 sq(sk, 0, L"505", L"System error - Could not fork session", "Internal error", NULL);
1127 if((filtercmd = findfile(icswcstombs(confgetstr("ui", "filtercmd"), NULL, NULL), "dcdl-filtercmd", pwent->pw_dir)) == NULL)
1129 flog(LOG_WARNING, "could not find filtercmd executable for user %s", pwent->pw_name);
1130 sq(sk, 0, L"505", L"System error - Could not fork session", L"Could not find filtercmd executable", NULL);
1134 cargvsize = cargvdata = 0;
1135 addtobuf(cargv, filtercmd);
1136 for(i = 1; i < argc; i++)
1138 if((argbuf = icwcstombs(argv[i], NULL)) == NULL)
1140 for(i = 0; i < cargvdata; i++)
1143 sq(sk, 0, L"504", L"%Could not convert argument %i into local character set", i, L"%%s", strerror(errno), NULL);
1146 addtobuf(cargv, argbuf);
1148 addtobuf(cargv, NULL);
1149 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)
1151 flog(LOG_WARNING, "could not fork session in filtercmd: %s", strerror(errno));
1152 sq(sk, 0, L"505", L"System error - Could not fork session", L"%%s", strerror(errno), NULL);
1157 execv(filtercmd, cargv);
1158 flog(LOG_WARNING, "could not exec filtercmd %s: %s", filtercmd, strerror(errno));
1161 for(pp = cargv; *pp; pp++)
1164 data->fcmdsk = wrapsock(pipe);
1165 data->fcmdpid = pid;
1166 if(data->fcmdbuf != NULL)
1168 free(data->fcmdbuf);
1169 data->fcmdbuf = NULL;
1171 data->fcmdbufsize = data->fcmdbufdata = 0;
1172 data->fcmdsk->data = data;
1173 data->fcmdsk->readcb = (void (*)(struct socket *, void *))fcmdread;
1174 data->fcmdsk->errcb = (void (*)(struct socket *, int, void *))fcmderr;
1177 static void cmd_lstrarg(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1179 struct transfer *transfer;
1183 havepriv(PERM_TRANS);
1184 if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL)
1186 sq(sk, 0, L"512", L"No such transfer", NULL);
1189 if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid))
1191 sq(sk, 0, L"502", L"You do not own that transfer", NULL);
1194 if(transfer->args == NULL)
1196 sq(sk, 0, L"201", L"Transfer has no arguments", NULL);
1198 for(ta = transfer->args; ta != NULL; ta = ta->next)
1199 sq(sk, ta->next != NULL, L"200", L"%%ls", ta->key, L"%%ls", ta->val, NULL);
1203 static void cmd_hashstatus(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1205 struct sharecache *node;
1209 for(node = shareroot->child; node != NULL; node = nextscnode(node))
1211 if(node->f.b.type == FILE_REG)
1214 if(node->f.b.hastth)
1218 sq(sk, 0, L"200", L"%%i", total, L"tth", L"%%i", hashed, NULL);
1221 static void cmd_transstatus(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1223 wchar_t *buf1, *buf2;
1225 havepriv(PERM_TRANS);
1226 buf1 = swprintf2(L"%lli", bytesdownload);
1227 buf2 = swprintf2(L"%lli", bytesupload);
1228 sq(sk, 0, L"200", L"%%ls", buf1, L"%%ls", buf2, NULL);
1237 * Reserved command numbers for nameless commands:
1238 * 0: Issued when a client has connected
1239 * 1: Issued when a named command couldn't be found
1242 static struct command commands[] =
1244 {NULL, cmd_connect},
1245 {NULL, cmd_notfound},
1246 {L"shutdown", cmd_shutdown},
1247 {L"quit", cmd_quit},
1248 {L"lsauth", cmd_lsauth},
1249 {L"login", cmd_login},
1250 {L"pass", cmd_pass},
1251 {L"cnct", cmd_fnetconnect},
1252 {L"lsnodes", cmd_lsnodes},
1253 {L"dcnct", cmd_disconnect},
1254 {L"lspa", cmd_lspa},
1255 {L"lspeers", cmd_lspeers},
1256 {L"download", cmd_download},
1257 {L"lstrans", cmd_lstrans},
1258 {L"cancel", cmd_cancel},
1259 {L"notify", cmd_notify},
1260 {L"sendchat", cmd_sendchat},
1261 {L"search", cmd_search},
1262 {L"lssrch", cmd_lssrch},
1263 {L"lssr", cmd_lssr},
1264 {L"cansrch", cmd_cansrch},
1265 {L"filtercmd", cmd_filtercmd},
1266 {L"lstrarg", cmd_lstrarg},
1267 {L"hashstatus", cmd_hashstatus},
1268 {L"transstatus", cmd_transstatus},
1272 static void freequeuecmd(struct qcommand *qcmd)
1276 if(qcmd->argv != NULL)
1278 for(i = 0; i < qcmd->argc; i++)
1279 free(qcmd->argv[i]);
1285 static struct qcommand *unlinkqcmd(struct uidata *data)
1287 struct qcommand *qcmd;
1292 data->queue = qcmd->next;
1293 if(qcmd == data->queuelast)
1294 data->queuelast = qcmd->next;
1299 static void notifappendv(struct notif *notif, va_list args)
1303 while((dt = va_arg(args, int)) != NOTIF_END)
1306 notif->argv = realloc(notif->argv, sizeof(*notif->argv) * ++notif->argc);
1307 notif->argv[ca].dt = dt;
1312 notif->argv[ca].d.n = va_arg(args, int);
1315 notif->argv[ca].d.s = wcsdup(va_arg(args, wchar_t *));
1318 notif->argv[ca].d.d = va_arg(args, double);
1324 static void notifappend(struct notif *notif, ...)
1328 va_start(args, notif);
1329 notifappendv(notif, args);
1333 static struct notif *newnotif(struct uidata *data, int code, ...)
1335 struct notif *notif;
1338 notif = smalloc(sizeof(*notif));
1339 memset(notif, 0, sizeof(*notif));
1340 notif->rlimit = 0.0;
1343 va_start(args, code);
1344 notifappendv(notif, args);
1347 notif->prev = data->lnotif;
1348 if(data->lnotif != NULL)
1349 data->lnotif->next = notif;
1351 data->fnotif = notif;
1352 data->lnotif = notif;
1356 static void freenotif(struct notif *notif)
1360 if(notif->next != NULL)
1361 notif->next->prev = notif->prev;
1362 if(notif->prev != NULL)
1363 notif->prev->next = notif->next;
1364 if(notif == notif->ui->fnotif)
1365 notif->ui->fnotif = notif->next;
1366 if(notif == notif->ui->lnotif)
1367 notif->ui->lnotif = notif->prev;
1368 if(notif->exptimer != NULL)
1369 canceltimer(notif->exptimer);
1370 for(i = 0; i < notif->argc; i++)
1372 if(notif->argv[i].dt == NOTIF_STR)
1373 free(notif->argv[i].d.s);
1375 if(notif->argv != NULL)
1380 static void notifexpire(int cancelled, struct notif *notif)
1382 notif->exptimer = NULL;
1387 static struct notif *findnotif(struct notif *notif, int dir, int state, int code, int id)
1391 for(; notif != NULL; notif = (dir?notif->next:notif->prev))
1393 if((notif->code == code) && ((state < 0) || (state == notif->state)))
1398 for(i = 0; i < notif->argc; i++)
1400 if((notif->argv[i].dt == NOTIF_ID) && (notif->argv[i].d.n != id))
1415 static void freeuidata(struct uidata *data)
1418 struct qcommand *qcmd;
1420 if(data->next != NULL)
1421 data->next->prev = data->prev;
1422 if(data->prev != NULL)
1423 data->prev->next = data->next;
1425 actives = data->next;
1426 data->sk->readcb = NULL;
1427 data->sk->errcb = NULL;
1429 while((qcmd = unlinkqcmd(data)) != NULL)
1431 iconv_close(data->ichandle);
1432 if(data->cw != NULL)
1434 if(data->cb != NULL)
1436 if(data->argv != NULL)
1438 for(i = 0; i < data->argc; i++)
1439 free(data->argv[i]);
1442 if(data->auth != NULL)
1443 authputhandle(data->auth);
1444 if(data->username != NULL)
1446 if(data->userinfo != NULL)
1447 flog(LOG_INFO, "%ls logged out", data->username);
1448 free(data->username);
1451 while(data->fnotif != NULL)
1452 freenotif(data->fnotif);
1453 if(data->fcmdbuf != NULL)
1454 free(data->fcmdbuf);
1455 if(data->fcmdpid != 0)
1456 kill(-data->fcmdpid, SIGHUP);
1457 if(data->fcmdsk != NULL)
1458 putsock(data->fcmdsk);
1462 static void queuecmd(struct uidata *data, struct command *cmd, int argc, wchar_t **argv)
1464 struct qcommand *new;
1466 new = smalloc(sizeof(*new));
1471 if(data->queuelast != NULL)
1472 data->queuelast->next = new;
1473 data->queuelast = new;
1474 if(data->queue == NULL)
1478 static struct uidata *newuidata(struct socket *sk)
1480 struct uidata *data;
1482 data = smalloc(sizeof(*data));
1483 memset(data, 0, sizeof(*data));
1486 data->inbuf = smalloc(1024);
1488 if((data->ichandle = iconv_open("wchar_t", "utf-8")) == (iconv_t)-1)
1490 flog(LOG_CRIT, "iconv cannot handle UTF-8: %s", strerror(errno));
1493 data->next = actives;
1496 actives->prev = data;
1501 static void uiread(struct socket *sk, struct uidata *data)
1507 size_t datalen, len2;
1508 struct command *cur;
1510 if(data->indata > 1024)
1512 if((newbuf = sockgetinbuf(sk, &datalen)) == NULL)
1514 sizebuf(&data->inbuf, &data->inbufsize, data->indata + datalen, 1, 1);
1515 memcpy(data->inbuf + data->indata, newbuf, datalen);
1517 data->indata += datalen;
1518 if(data->cb == NULL)
1520 data->cb = smalloc(sizeof(wchar_t) * (data->cbsize = 64));
1522 data->pp = data->cb;
1527 if(data->cbsize == data->cbdata)
1529 len2 = data->pp - data->cb;
1530 data->cb = srealloc(data->cb, sizeof(wchar_t) * (data->cbsize *= 2));
1531 data->pp = data->cb + len2;
1534 p2 = (char *)(porig = (data->cb + data->cbdata));
1535 len2 = sizeof(wchar_t) * (data->cbsize - data->cbdata);
1536 ret = iconv(data->ichandle, &p1, &data->indata, &p2, &len2);
1537 memmove(data->inbuf, p1, data->indata);
1538 /* Just a sanity check */
1539 if(((p2 - ((char *)data->cb)) % sizeof(wchar_t)) != 0)
1541 flog(LOG_CRIT, "Aiya! iconv does strange things to our wchar_t's!");
1544 data->cbdata += (((wchar_t *)p2) - porig);
1550 /* XXX: Should this really just ignore it? */
1558 /* Just a sanity check */
1559 if(data->cbsize != data->cbdata)
1561 flog(LOG_CRIT, "Aiya! iconv doesn't give us wchar_t's!");
1566 flog(LOG_WARNING, "bug: strange error from iconv in uiread: %s", strerror(errno));
1574 while(!done && (data->pp - data->cb < data->cbdata))
1579 if(iswspace(*data->pp))
1581 if(*data->pp == L'\r')
1583 if(data->pp == data->cb + data->cbdata - 1)
1588 if(*(++data->pp) == L'\n')
1590 if((data->argv != NULL) && (data->argv[0] != NULL))
1592 for(cur = commands; cur->handler != NULL; cur++)
1594 if(cur->name == NULL)
1596 if(!wcscasecmp(cur->name, data->argv[0]))
1598 queuecmd(data, cur, data->argc, data->argv);
1602 if(cur->handler == NULL)
1603 queuecmd(data, &commands[1], data->argc, data->argv);
1605 queuecmd(data, &commands[1], data->argc, data->argv);
1610 wmemmove(data->cb, data->pp, data->cbdata -= (data->pp - data->cb));
1611 data->pp = data->cb;
1624 if(iswspace(*data->pp))
1626 addtobuf(data->cw, L'\0');
1627 sizebuf(&data->argv, &data->args, data->argc + 1, sizeof(*data->argv), 1);
1628 data->argv[data->argc++] = data->cw;
1633 } else if(*data->pp == L'\"') {
1636 } else if(*data->pp == L'\\') {
1637 if(data->pp == data->cb + data->cbdata - 1)
1642 addtobuf(data->cw, *(++data->pp));
1645 addtobuf(data->cw, *(data->pp++));
1649 if(*data->pp == L'\"')
1652 } else if(*data->pp == L'\\') {
1653 if(data->pp == data->cb + data->cbdata - 1)
1658 addtobuf(data->cw, *(++(data->pp)));
1660 addtobuf(data->cw, *data->pp);
1668 static void uierror(struct socket *sk, int err, struct uidata *data)
1671 flog(LOG_WARNING, "error occurred on UI socket: %s", strerror(err));
1675 static void uiaccept(struct socket *sk, struct socket *newsk, void *data)
1677 struct uidata *uidata;
1679 newsk->data = uidata = newuidata(newsk);
1680 socksettos(newsk, confgetint("ui", "uitos"));
1683 newsk->errcb = (void (*)(struct socket *, int, void *))uierror;
1684 newsk->readcb = (void (*)(struct socket *, void *))uiread;
1685 queuecmd(uidata, &commands[0], 0, NULL);
1688 static int srcheta(struct search *srch, void *uudata)
1690 struct uidata *data;
1692 for(data = actives; data != NULL; data = data->next)
1694 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
1695 newnotif(data, 620, NOTIF_ID, srch->id, NOTIF_INT, srch->eta - time(NULL), NOTIF_END);
1700 static int srchcommit(struct search *srch, void *uudata)
1702 struct uidata *data;
1704 for(data = actives; data != NULL; data = data->next)
1706 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
1707 newnotif(data, 621, NOTIF_ID, srch->id, NOTIF_END);
1712 static int srchres(struct search *srch, struct srchres *sr, void *uudata)
1714 struct uidata *data;
1716 for(data = actives; data != NULL; data = data->next)
1718 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
1720 newnotif(data, 622, NOTIF_ID, srch->id, NOTIF_STR, sr->filename, NOTIF_STR, sr->fnet->name, NOTIF_STR, sr->peerid, NOTIF_INT, sr->size,
1721 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);
1727 static int recvchat(struct fnetnode *fn, int public, wchar_t *name, wchar_t *peer, wchar_t *string, void *uudata)
1729 struct uidata *data;
1731 for(data = actives; data != NULL; data = data->next)
1733 if(haspriv(data, PERM_CHAT) && data->notify.b.fnchat)
1734 newnotif(data, 600, NOTIF_ID, fn->id, NOTIF_INT, public, NOTIF_STR, name, NOTIF_STR, peer, NOTIF_STR, string, NOTIF_END);
1739 static int fnactive(struct fnetnode *fn, wchar_t *attrib, void *uudata)
1741 struct uidata *data;
1742 struct notif *notif;
1744 if(!wcscmp(attrib, L"state"))
1746 for(data = actives; data != NULL; data = data->next)
1748 if(data->notify.b.fnact)
1749 newnotif(data, 601, NOTIF_ID, fn->id, NOTIF_INT, fn->state, NOTIF_END);
1751 } else if(!wcscmp(attrib, L"name")) {
1752 for(data = actives; data != NULL; data = data->next)
1754 if(data->notify.b.fnact)
1755 newnotif(data, 602, NOTIF_ID, fn->id, NOTIF_STR, fn->name, NOTIF_END);
1757 } else if(!wcscmp(attrib, L"numpeers")) {
1758 for(data = actives; data != NULL; data = data->next)
1760 if(data->notify.b.fnact)
1762 if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 605, fn->id)) != NULL)
1763 notif->argv[1].d.n = fn->numpeers;
1765 newnotif(data, 605, NOTIF_ID, fn->id, NOTIF_INT, fn->numpeers, NOTIF_END)->rlimit = 0.5;
1772 static int fnunlink(struct fnetnode *fn, void *uudata)
1774 struct uidata *data;
1776 for(data = actives; data != NULL; data = data->next)
1778 if(data->notify.b.fnact)
1779 newnotif(data, 603, NOTIF_ID, fn->id, NOTIF_END);
1784 static int peernew(struct fnetnode *fn, struct fnetpeer *peer, void *uudata)
1786 struct uidata *data;
1788 for(data = actives; data != NULL; data = data->next)
1790 if(data->notify.b.fnpeer)
1791 newnotif(data, 630, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_STR, peer->nick, NOTIF_END);
1796 static int peerdel(struct fnetnode *fn, struct fnetpeer *peer, void *uudata)
1798 struct uidata *data;
1800 for(data = actives; data != NULL; data = data->next)
1802 if(data->notify.b.fnpeer)
1803 newnotif(data, 631, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_END);
1808 static int peerchange(struct fnetnode *fn, struct fnetpeer *peer, struct fnetpeerdi *di, void *uudata)
1810 struct uidata *data;
1811 struct notif *notif;
1814 for(data = actives; data != NULL; data = data->next)
1816 if(data->notify.b.fnpeer)
1818 for(notif = data->fnotif; notif != NULL; notif = notif->next)
1820 if((notif->code == 632) && (notif->state == NOTIF_PEND) && (notif->argv[0].d.n == fn->id) && !wcscmp(notif->argv[1].d.s, peer->id))
1824 notif = newnotif(data, 632, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_STR, peer->nick, NOTIF_END);
1825 notifappend(notif, NOTIF_STR, di->datum->id, NOTIF_INT, di->datum->datatype, NOTIF_END);
1826 switch(di->datum->datatype)
1829 notifappend(notif, NOTIF_INT, di->data.num, NOTIF_END);
1832 notifappend(notif, NOTIF_STR, di->data.str, NOTIF_END);
1835 swprintf(buf, sizeof(buf) / sizeof(*buf), L"%lli", di->data.lnum);
1836 notifappend(notif, NOTIF_STR, buf, NOTIF_END);
1844 static int newfnetnode(struct fnetnode *fn, void *uudata)
1846 struct uidata *data;
1848 for(data = actives; data != NULL; data = data->next)
1850 if(data->notify.b.fnact)
1851 newnotif(data, 604, NOTIF_ID, fn->id, NOTIF_STR, fn->fnet->name, NOTIF_END);
1853 CBREG(fn, fnetnode_ac, fnactive, NULL, NULL);
1854 CBREG(fn, fnetnode_chat, recvchat, NULL, NULL);
1855 CBREG(fn, fnetnode_unlink, fnunlink, NULL, NULL);
1856 CBREG(fn, fnetpeer_new, peernew, NULL, NULL);
1857 CBREG(fn, fnetpeer_del, peerdel, NULL, NULL);
1858 CBREG(fn, fnetpeer_chdi, peerchange, NULL, NULL);
1862 static int transferchattr(struct transfer *transfer, wchar_t *attrib, void *uudata)
1864 struct uidata *data;
1866 if(!wcscmp(attrib, L"state"))
1868 for(data = actives; data != NULL; data = data->next)
1870 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1871 newnotif(data, 611, NOTIF_ID, transfer->id, NOTIF_INT, transfer->state, NOTIF_END);
1873 } else if(!wcscmp(attrib, L"nick")) {
1874 for(data = actives; data != NULL; data = data->next)
1876 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1877 newnotif(data, 612, NOTIF_ID, transfer->id, NOTIF_STR, transfer->peernick, NOTIF_END);
1879 } else if(!wcscmp(attrib, L"size")) {
1880 for(data = actives; data != NULL; data = data->next)
1882 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1883 newnotif(data, 613, NOTIF_ID, transfer->id, NOTIF_INT, transfer->size, NOTIF_END);
1885 } else if(!wcscmp(attrib, L"error")) {
1886 for(data = actives; data != NULL; data = data->next)
1888 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1889 newnotif(data, 614, NOTIF_ID, transfer->id, NOTIF_INT, transfer->error, NOTIF_END);
1891 } else if(!wcscmp(attrib, L"path")) {
1892 for(data = actives; data != NULL; data = data->next)
1894 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1895 newnotif(data, 616, NOTIF_ID, transfer->id, NOTIF_STR, transfer->path, NOTIF_END);
1897 } else if(!wcscmp(attrib, L"hash")) {
1898 for(data = actives; data != NULL; data = data->next)
1900 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1901 newnotif(data, 618, NOTIF_ID, transfer->id, NOTIF_STR, (transfer->hash == NULL)?L"":unparsehash(transfer->hash), NOTIF_END);
1907 static int transferprog(struct transfer *transfer, void *uudata)
1909 struct uidata *data;
1910 struct notif *notif;
1912 for(data = actives; data != NULL; data = data->next)
1914 if(haspriv(data, PERM_TRANS) && data->notify.b.trprog && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1916 if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 615, transfer->id)) != NULL)
1917 notif->argv[1].d.n = transfer->curpos;
1919 newnotif(data, 615, NOTIF_ID, transfer->id, NOTIF_INT, transfer->curpos, NOTIF_END)->rlimit = 0.5;
1925 static int transferdestroyed(struct transfer *transfer, void *uudata)
1927 struct uidata *data;
1929 for(data = actives; data != NULL; data = data->next)
1931 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1932 newnotif(data, 617, NOTIF_ID, transfer->id, NOTIF_STR, (transfer->exitstatus == NULL)?L"":(transfer->exitstatus), NOTIF_END);
1937 static int newtransfernotify(struct transfer *transfer, void *uudata)
1939 struct uidata *data;
1941 for(data = actives; data != NULL; data = data->next)
1943 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1944 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);
1946 CBREG(transfer, trans_ac, transferchattr, NULL, NULL);
1947 CBREG(transfer, trans_p, transferprog, NULL, NULL);
1948 CBREG(transfer, trans_destroy, transferdestroyed, NULL, NULL);
1952 static struct uiuser *newuser(wchar_t *name, unsigned long perms)
1956 new = smalloc(sizeof(*new));
1958 new->name = swcsdup(name);
1969 static void freeuser(struct uiuser *user)
1971 if(user->next != NULL)
1972 user->next->prev = user->prev;
1973 if(user->prev != NULL)
1974 user->prev->next = user->next;
1981 static int conf_user(int argc, wchar_t **argv)
1983 int i, perms, permmod;
1984 struct uiuser *user;
1989 flog(LOG_WARNING, "not enough arguments given for user command");
1993 for(i = 2; i < argc; i++)
1995 if(!iswalpha(argv[i][0]))
1999 if(!wcscmp(p, L"disallow"))
2000 permmod = PERM_DISALLOW;
2001 if(!wcscmp(p, L"admin"))
2002 permmod = PERM_ADMIN;
2003 if(!wcscmp(p, L"fnetctl"))
2004 permmod = PERM_FNETCTL;
2005 if(!wcscmp(p, L"trans"))
2006 permmod = PERM_TRANS;
2007 if(!wcscmp(p, L"transcu"))
2008 permmod = PERM_TRANSCU;
2009 if(!wcscmp(p, L"chat"))
2010 permmod = PERM_CHAT;
2011 if(!wcscmp(p, L"srch"))
2012 permmod = PERM_SRCH;
2013 if(!wcscmp(p, L"all"))
2015 if(argv[i][0] == L'-')
2020 if((user = finduser(argv[1])) == NULL)
2022 newuser(argv[1], perms);
2025 user->perms = perms;
2030 static void preinit(int hup)
2032 struct uiuser *user;
2036 newuser(L"default", 0);
2038 for(user = users; user != NULL; user = user->next)
2040 if(!wcscmp(user->name, L"default"))
2046 static int portupdate(struct configvar *var, void *uudata)
2048 struct socket *newsock;
2050 if((uisocket = netcstcplisten(var->val.num, 1, uiaccept, NULL)) == NULL)
2052 flog(LOG_WARNING, "could not create new UI socket, reverting to old: %s", strerror(errno));
2055 if(uisocket != NULL)
2061 static int init(int hup)
2063 struct uiuser *user, *next;
2067 for(user = users; user != NULL; user = next)
2076 if(uisocket != NULL)
2078 if((uisocket = netcstcplisten(confgetint("ui", "port"), 1, uiaccept, NULL)) == NULL)
2080 flog(LOG_CRIT, "could not create UI socket: %s", strerror(errno));
2083 CBREG(confgetvar("ui", "port"), conf_update, portupdate, NULL, NULL);
2084 GCBREG(newfncb, newfnetnode, NULL);
2085 GCBREG(newtransfercb, newtransfernotify, NULL);
2090 static int run(void)
2093 struct uidata *data, *next;
2094 struct qcommand *qcmd;
2095 struct notif *notif, *nnotif;
2098 for(data = actives; data != NULL; data = next)
2104 for(data = actives; data != NULL; data = data->next)
2106 for(notif = data->fnotif; notif != NULL; notif = nnotif)
2108 nnotif = notif->next;
2109 if(notif->state == NOTIF_WAIT)
2112 for(i = 0; i < notif->argc; i++)
2114 if(notif->argv[i].dt == NOTIF_ID)
2116 id = notif->argv[i].d.n;
2120 if(findnotif(notif->prev, 0, -1, notif->code, id) != NULL)
2122 sq(data->sk, 2, L"%%i", notif->code, NULL);
2123 for(i = 0; i < notif->argc; i++)
2125 switch(notif->argv[i].dt)
2129 sq(data->sk, 2, L"%%i", notif->argv[i].d.n, NULL);
2132 if(notif->argv[i].d.s[0] == L'%')
2133 sq(data->sk, 2, L"%%s", notif->argv[i].d.s, NULL);
2135 sq(data->sk, 2, notif->argv[i].d.s, NULL);
2138 swprintf(buf, 64, L"%f", notif->argv[i].d.d);
2139 sq(data->sk, 2, buf, NULL);
2143 sq(data->sk, 0, NULL);
2144 if(notif->rlimit != 0)
2146 notif->state = NOTIF_WAIT;
2147 notif->exptimer = timercallback(ntime() + notif->rlimit, (void (*)(int, void *))notifexpire, notif);
2152 if((qcmd = unlinkqcmd(data)) != NULL)
2154 qcmd->cmd->handler(data->sk, data, qcmd->argc, qcmd->argv);
2162 static void terminate(void)
2164 while(users != NULL)
2168 static struct configvar myvars[] =
2170 {CONF_VAR_BOOL, "onlylocal", {.num = 1}},
2171 {CONF_VAR_INT, "port", {.num = 1500}},
2172 {CONF_VAR_INT, "uitos", {.num = SOCK_TOS_MINDELAY}},
2173 {CONF_VAR_STRING, "filtercmd", {.str = L"dc-filtercmd"}},
2177 static struct configcmd mycmds[] =
2179 {"user", conf_user},
2183 static struct module me =
2194 .terminate = terminate