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;
172 static wchar_t *quoteword(wchar_t *word)
174 wchar_t *wp, *buf, *bp;
184 for(wp = word; *wp != L'\0'; wp++)
186 if(!dq && iswspace(*wp))
188 if((*wp == L'\\') || (*wp == L'\"'))
195 bp = buf = smalloc(sizeof(wchar_t) * (numc + numbs + (dq?2:0) + 1));
198 for(wp = word; *wp != L'\0'; wp++)
200 if((*wp == L'\\') || (*wp == L'\"'))
210 static void sq(struct socket *sk, int cont, ...)
216 wchar_t *part, *tpart;
217 size_t bufsize, bufdata;
220 bufsize = bufdata = 0;
223 while((part = va_arg(al, wchar_t *)) != NULL)
228 * This kludge demands that all arguments that you call it
229 * with are the size of an int. That happens to be the
230 * case for most datatypes on most platforms and
231 * compilers, but I don't know exactly which ones, and
232 * also a long long is a notable candidate of an arg that
233 * is not the size of an int on 32-bit archs. If it breaks
234 * some existing call on your architecture, please tell
237 part = vswprintf2(tpart = (part + 1), al);
238 for(; *tpart != L'\0'; tpart++)
252 if((tpart = quoteword(part)) != NULL)
259 if((num > 1) || ((num == 1) && !(cont & 1)))
261 bufcat(buf, part, wcslen(part));
262 if((num == 0) && (cont & 1))
269 bufcat(buf, L" \0", 2);
271 bufcat(buf, L"\r\n\0", 3);
272 if((final = icwcstombs(buf, "utf-8")) == NULL)
274 flog(LOG_CRIT, "could not convert \"%ls\" into utf-8: %s", buf, strerror(errno));
280 sockqueue(sk, final, strlen(final));
284 struct uiuser *finduser(wchar_t *name)
288 for(user = users; user != NULL; user = user->next)
290 if(!wcscmp(user->name, name))
296 static void logout(struct uidata *data)
298 data->userinfo = NULL;
299 if(data->username != NULL)
300 free(data->username);
301 data->username = NULL;
302 if(data->auth != NULL)
303 authputhandle(data->auth);
307 static int haspriv(struct uidata *data, int perm)
309 if(data->userinfo == NULL)
311 if(data->userinfo->perms & perm)
317 /* Useful macros for the command functions: */
318 #define haveargs(n) do { if(argc < n) { sq(sk, 0, L"501", L"Wrong number of arguments", NULL); return; } } while(0)
319 #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)
321 static void cmd_connect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
324 struct in6_addr mv4lo;
326 if(confgetint("ui", "onlylocal"))
328 switch(sk->remote->sa_family)
331 valid = ((struct sockaddr_in *)sk->remote)->sin_addr.s_addr == INADDR_LOOPBACK;
334 inet_pton(AF_INET6, "::ffff:127.0.0.1", &mv4lo);
336 if(!memcmp(&((struct sockaddr_in6 *)sk->remote)->sin6_addr, &in6addr_loopback, sizeof(in6addr_loopback)))
338 if(!memcmp(&((struct sockaddr_in6 *)sk->remote)->sin6_addr, &mv4lo, sizeof(in6addr_loopback)))
347 sq(sk, 0, L"502", L"Only localhost connections allowed to this host", NULL);
353 sq(sk, 0, L"200", L"%Dolda Connect daemon v%s", VERSION, NULL);
356 static void cmd_notfound(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
358 if((argv != NULL) && (argv[0] != NULL))
359 sq(sk, 0, L"500", L"%Command not found: %ls", argv[0], NULL);
361 sq(sk, 0, L"500", L"No command", NULL);
364 static void cmd_shutdown(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
366 extern volatile int running;
368 havepriv(PERM_ADMIN);
369 flog(LOG_NOTICE, "UI shutdown request from %ls, shutting down", data->username);
371 sq(sk, 0, L"200", L"Daemon shutting down", NULL);
374 static void cmd_quit(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
376 sq(sk, 0, L"200", L"Closing connection", NULL);
380 static void cmd_lsauth(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
382 struct authmech *mech, *prev;
385 for(mech = mechs; mech != NULL; mech = mech->next)
390 sq(sk, 1, L"200", prev->name, NULL);
395 sq(sk, 0, L"201", L"No authentication methods supported", NULL);
397 sq(sk, 0, L"200", prev->name, NULL);
400 static void cmd_login(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
407 if(data->username != NULL)
409 if(data->userinfo != NULL)
410 sq(sk, 0, L"503", L"Already logged in", NULL);
412 sq(sk, 0, L"503", L"Already logging in", NULL);
415 if((buf = icwcstombs(argv[2], NULL)) == NULL)
417 sq(sk, 0, L"504", L"Could not convert username to locale charset", NULL);
420 data->username = swcsdup(argv[2]);
421 if((pwd = getpwnam(buf)) == NULL)
424 data->uid = pwd->pw_uid;
425 if((data->auth = initauth(argv[1], buf)) == NULL)
428 sq(sk, 0, L"508", L"No such authentication mechanism", NULL);
430 sq(sk, 0, L"505", L"Could not initialize authentication system", L"%%s", strerror(errno), NULL);
436 switch(authenticate(data->auth, NULL))
439 data->userinfo = finduser(data->username);
440 if(data->userinfo == NULL)
441 data->userinfo = finduser(L"default");
444 sq(sk, 0, L"506", L"Authentication error", NULL);
445 flog(LOG_INFO, "user %ls authenticated successfully from %s, but no account existed", data->username, formataddress(sk->remote, sk->remotelen));
447 } else if((data->userinfo == NULL) || (data->userinfo->perms & PERM_DISALLOW)) {
448 sq(sk, 0, L"506", L"Authentication error", NULL);
449 flog(LOG_INFO, "user %ls authenticated successfully from %s, but was not authorized", data->username, formataddress(sk->remote, sk->remotelen));
452 sq(sk, 0, L"200", L"Welcome", NULL);
453 flog(LOG_INFO, "%ls (UID %i) logged in from %s", data->username, data->uid, formataddress(sk->remote, sk->remotelen));
457 sq(sk, 0, L"506", L"Authentication error", L"%%ls", (data->auth->text == NULL)?L"":(data->auth->text), NULL);
458 flog(LOG_INFO, "authentication failed for %ls from %s", data->username, formataddress(sk->remote, sk->remotelen));
462 switch(data->auth->prompt)
480 sq(sk, 0, L"%%i", code, data->auth->text, NULL);
483 sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL);
487 flog(LOG_WARNING, "BUG? Non-caught return from authenticate in cmd_login");
488 sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL);
494 static void cmd_pass(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
500 if((buf = icwcstombs(argv[1], NULL)) == NULL)
502 sq(sk, 0, L"504", L"Could not convert data to locale charset", NULL);
505 if((data->auth == NULL) || (data->userinfo != NULL))
507 sq(sk, 0, L"507", L"Data not expected", NULL);
510 switch(authenticate(data->auth, buf))
513 data->userinfo = finduser(data->username);
514 if(data->userinfo == NULL)
515 data->userinfo = finduser(L"default");
518 sq(sk, 0, L"506", L"Authentication error", NULL);
519 flog(LOG_INFO, "user %ls authenticated successfully from %s, but no account existed", data->username, formataddress(sk->remote, sk->remotelen));
521 } else if((data->userinfo == NULL) || (data->userinfo->perms & PERM_DISALLOW)) {
522 sq(sk, 0, L"506", L"Authentication error", NULL);
523 flog(LOG_INFO, "user %ls authenticated successfully from %s, but was not authorized", data->username, formataddress(sk->remote, sk->remotelen));
526 sq(sk, 0, L"200", L"Welcome", NULL);
527 flog(LOG_INFO, "%ls (UID %i) logged in from %s", data->username, data->uid, formataddress(sk->remote, sk->remotelen));
531 sq(sk, 0, L"506", L"Authentication error", L"%%ls", (data->auth->text == NULL)?L"":(data->auth->text), NULL);
532 flog(LOG_INFO, "authentication failed for %ls from %s", data->username, formataddress(sk->remote, sk->remotelen));
536 switch(data->auth->prompt)
554 sq(sk, 0, L"%%i", code, data->auth->text, NULL);
557 sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL);
561 flog(LOG_WARNING, "BUG? Non-caught return from authenticate in cmd_pass");
562 sq(sk, 0, L"505", L"System error", L"%%s", strerror(errno), NULL);
569 static void cmd_fnetconnect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
575 struct wcspair *args;
578 havepriv(PERM_FNETCTL);
579 for(i = 0, fn = fnetnodes; fn != NULL; i++, fn = fn->next);
580 if((confgetint("fnet", "maxnodes") > 0) && (i >= confgetint("fnet", "maxnodes"))) {
581 sq(sk, 0, L"515", L"Too many fnetnodes connected already", NULL);
584 if((buf = icwcstombs(argv[2], NULL)) == NULL)
586 sq(sk, 0, L"504", L"Could not convert data to locale charset", NULL);
590 for(i = 3; i < argc - 1; i += 2)
591 newwcspair(argv[i], argv[i + 1], &args);
592 fn = fnetinitconnect(argv[1], buf, args);
597 if(errno == EPROTONOSUPPORT)
598 sq(sk, 0, L"511", L"No such network name", NULL);
600 sq(sk, 0, L"509", L"Could not parse the address", L"%%s", strerror(err), NULL);
604 fnetsetname(fn, argv[2]);
605 sq(sk, 0, L"200", L"%%i", fn->id, L"Connection under way", NULL);
609 static void cmd_lsnodes(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
613 if(fnetnodes == NULL)
615 sq(sk, 0, L"201", L"No connected nodes", NULL);
618 for(fn = fnetnodes; fn != NULL; fn = fn->next)
620 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);
624 static void cmd_disconnect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
630 havepriv(PERM_FNETCTL);
631 /* Note - Programmatical user interfaces must only give one
632 * argument per command, the multiple argument form is only for
633 * convenience when manually controlling the daemon via
634 * eg. telnet. The reason is that the return codes aren't clear
635 * enough for the multiple argument form. */
636 for(i = 1; i < argc; i++)
638 if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL)
640 sq(sk, 0, L"510", L"No such node", NULL);
646 sq(sk, 0, L"200", L"Node flagged for disconnection", NULL);
649 static void cmd_lspa(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
652 struct fnetpeerdatum *datum;
655 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
657 sq(sk, 0, L"510", L"No such node", NULL);
660 if(fn->peerdata == NULL)
662 sq(sk, 0, L"201", L"No data available", NULL);
664 for(datum = fn->peerdata; datum != NULL; datum = datum->next)
665 sq(sk, (datum->next != NULL)?1:0, L"200", datum->id, L"%%i", datum->datatype, NULL);
669 static void cmd_lspeers(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
673 struct fnetpeer *peer;
677 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
679 sq(sk, 0, L"510", L"No such node", NULL);
682 if(fn->peers == NULL)
684 sq(sk, 0, L"201", L"No peers avaiable", NULL);
686 for(peer = fn->peers; peer != NULL; peer = peer->next)
688 sq(sk, 2 | ((peer->next != NULL)?1:0), L"200", peer->id, peer->nick, NULL);
689 for(i = 0; i < peer->dinum; i++)
691 if(peer->peerdi[i].datum->datatype == FNPD_INT)
692 sq(sk, 2, peer->peerdi[i].datum->id, L"%%i", peer->peerdi[i].data.num, NULL);
693 /* Note: A long long is not the size of an int, so
694 * sq() can't handle the conversion itself. */
695 if(peer->peerdi[i].datum->datatype == FNPD_LL)
697 swprintf(buf, 40, L"%lli", peer->peerdi[i].data.lnum);
698 sq(sk, 2, peer->peerdi[i].datum->id, buf, NULL);
700 if((peer->peerdi[i].datum->datatype == FNPD_STR) && (peer->peerdi[i].data.str != NULL))
701 sq(sk, 2, peer->peerdi[i].datum->id, peer->peerdi[i].data.str, NULL);
708 static void cmd_download(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
713 struct transfer *transfer;
714 struct fnetpeer *peer;
717 if((argc > 5) && ((argc % 2) == 0))
719 sq(sk, 0, L"501", L"Must have an even number of arguments", NULL);
722 havepriv(PERM_TRANS);
723 if((*(argv[1]) >= L'0') && (*(argv[1]) <= L'9'))
725 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
727 sq(sk, 0, L"510", L"No such node", NULL);
733 if((net = findfnet(argv[1])) == NULL)
735 sq(sk, 0, L"511", L"No such network name", NULL);
739 transfer = newtransfer();
740 authgethandle(transfer->auth = data->auth);
741 transfer->fnet = net;
742 transfer->peerid = swcsdup(argv[2]);
743 transfer->path = swcsdup(argv[3]);
744 transfer->dir = TRNSD_DOWN;
745 transfer->owner = data->uid;
750 linktransfer(transfer);
751 if(((peer = fnetfindpeer(fn, transfer->peerid)) != NULL) && (peer->nick != NULL))
752 transfersetnick(transfer, peer->nick);
754 linktransfer(transfer);
757 transfersetsize(transfer, wcstol(argv[4], NULL, 0));
760 for(i = 5; i < argc; i += 2)
762 if(!wcscmp(argv[i], L"hash"))
764 transfersethash(transfer, parsehash(argv[i + 1]));
766 newwcspair(argv[i], argv[i + 1], &transfer->args);
770 sq(sk, 0, L"200", L"%%i", transfer->id, L"Download queued", NULL);
771 transfersetactivity(transfer, L"create");
774 static void cmd_lstrans(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
776 struct transfer *transfer, *pt;
778 havepriv(PERM_TRANS);
780 for(transfer = transfers; transfer != NULL; transfer = transfer->next)
782 if((transfer->dir != TRNSD_DOWN) || (transfer->owner == data->uid))
785 sq(sk, 1, L"200", L"%%i", pt->id, L"%%i", pt->dir,
786 L"%%i", pt->state, pt->peerid,
787 (pt->peernick == NULL)?L"":(pt->peernick),
788 (pt->path == NULL)?L"":(pt->path),
789 L"%%i", pt->size, L"%%i", pt->curpos,
790 (pt->hash == NULL)?L"":unparsehash(pt->hash),
796 sq(sk, 0, L"201", L"No transfers", NULL);
798 sq(sk, 0, L"200", L"%%i", pt->id, L"%%i", pt->dir,
799 L"%%i", pt->state, pt->peerid,
800 (pt->peernick == NULL)?L"":(pt->peernick),
801 (pt->path == NULL)?L"":(pt->path),
802 L"%%i", pt->size, L"%%i", pt->curpos,
803 (pt->hash == NULL)?L"":unparsehash(pt->hash),
807 static void cmd_cancel(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
809 struct transfer *transfer;
812 havepriv(PERM_TRANS);
813 if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL)
815 sq(sk, 0, L"512", L"No such transfer", NULL);
818 if((transfer->dir == TRNSD_UP) && !(data->userinfo->perms & PERM_TRANSCU))
820 sq(sk, 0, L"502", L"You are not allowed to cancel uploads", NULL);
823 if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid))
825 sq(sk, 0, L"502", L"You do not own that transfer", NULL);
829 sq(sk, 0, L"200", L"Transfer cancelled", NULL);
832 static void cmd_notify(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
838 sq(sk, 0, L"501", L"Must have an even number of arguments", NULL);
841 for(i = 1; i < argc; i += 2)
843 if(!wcscasecmp(argv[i + 1], L"on"))
847 if(!wcscasecmp(argv[i], L"all"))
853 } else if(!wcscasecmp(argv[i], L"fn:chat")) {
854 data->notify.b.fnchat = val;
855 } else if(!wcscasecmp(argv[i], L"fn:act")) {
856 data->notify.b.fnact = val;
857 } else if(!wcscasecmp(argv[i], L"fn:peer")) {
858 data->notify.b.fnpeer = val;
859 } else if(!wcscasecmp(argv[i], L"trans:act")) {
860 data->notify.b.tract = val;
861 } else if(!wcscasecmp(argv[i], L"trans:prog")) {
862 data->notify.b.trprog = val;
863 } else if(!wcscasecmp(argv[i], L"srch:act")) {
864 data->notify.b.srch = val;
865 } else if(!wcscasecmp(argv[i], L"msg")) {
866 data->notify.b.msg = val;
869 sq(sk, 0, L"200", L"Notification alteration succeeded", NULL);
872 static void cmd_sendchat(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
879 if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL)
881 sq(sk, 0, L"510", L"No such node", NULL);
884 public = wcstol(argv[2], NULL, 0);
885 if((public != 0) && (public != 1))
887 sq(sk, 0, L"509", L"Second argument must be 0 or 1", NULL);
890 if(fn->state != FNN_EST)
892 sq(sk, 0, L"513", L"Hub is in state FNN_EST", NULL);
895 if(fnetsendchat(fn, public, argv[3], argv[4]))
898 sq(sk, 0, L"513", L"This network does not support chatting", NULL);
899 else if(errno == EPERM)
900 sq(sk, 0, L"502", L"This node does not allow you to chat", NULL);
901 else if(errno == EILSEQ)
902 sq(sk, 0, L"504", L"This network could not support all the characters in that message", NULL);
904 sq(sk, 0, L"505", L"Could not chat", NULL);
907 sq(sk, 0, L"200", L"Chat string sent", NULL);
910 static void cmd_search(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
919 srch = newsearch(data->username, NULL);
920 for(i = 1; i < argc; i++)
922 if(!wcscmp(argv[i], L"all"))
924 for(fn = fnetnodes; fn != NULL; fn = fn->next)
926 if(fn->state == FNN_EST)
927 searchaddfn(srch, fn);
931 } else if(!wcscmp(argv[i], L"prio")) {
934 sq(sk, 0, L"501", L"No argument to prio", NULL);
938 srch->prio = wcstol(argv[i], NULL, 0);
939 } else if(iswdigit(*argv[i])) {
940 if((fn = findfnetnode(wcstol(argv[i], NULL, 0))) == NULL)
942 sq(sk, 0, L"510", L"No such node", NULL);
946 searchaddfn(srch, fn);
951 if(srch->fnl == NULL)
953 sq(sk, 0, L"501", L"No fnetnodes to search found on line", NULL);
959 sq(sk, 0, L"501", L"No search expression found on line", NULL);
963 if((sexpr = parsesexpr(argc - i, argv + i)) == NULL)
965 sq(sk, 0, L"509", L"Could not parse search expression", NULL);
970 getsexpr(srch->sexpr = sexpr);
972 CBREG(srch, search_eta, srcheta, NULL, NULL);
973 CBREG(srch, search_commit, srchcommit, NULL, NULL);
974 CBREG(srch, search_result, srchres, NULL, NULL);
975 sq(sk, 0, L"200", L"%%i", srch->id, L"%%i", srch->eta - time(NULL), NULL);
979 static void cmd_lssrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
981 struct search *srch, *pt;
987 for(srch = searches; srch != NULL; srch = srch->next)
989 if(!wcscmp(srch->owner, data->username))
992 sq(sk, 1, L"200", L"%%i", pt->id, L"%%i", pt->state, L"%%i", pt->eta - now, L"%%i", pt->numres, NULL);
997 sq(sk, 0, L"201", L"No searches", NULL);
999 sq(sk, 0, L"200", L"%%i", pt->id, L"%%i", pt->state, L"%%i", pt->eta - now, L"%%i", pt->numres, NULL);
1002 static void cmd_lssr(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1004 struct search *srch;
1009 havepriv(PERM_SRCH);
1010 if((srch = findsearch(wcstol(argv[1], NULL, 0))) == NULL)
1012 sq(sk, 0, L"514", L"No such search", NULL);
1015 if(srch->results == NULL)
1017 sq(sk, 0, L"201", L"No results", NULL);
1019 for(sr = srch->results; sr != NULL; sr = sr->next)
1021 swprintf(buf, 64, L"%f", sr->time);
1022 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);
1027 static void cmd_cansrch(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1029 struct search *srch;
1033 havepriv(PERM_SRCH);
1034 /* Note - Programmatical user interfaces must only give one
1035 * argument per command, the multiple argument form is only for
1036 * convenience when manually controlling the daemon via
1037 * eg. telnet. The reason is that the return codes aren't clear
1038 * enough for the multiple argument form. */
1039 for(i = 1; i < argc; i++)
1041 if((srch = findsearch(wcstol(argv[i], NULL, 0))) == NULL)
1043 sq(sk, 0, L"514", L"No such search", NULL);
1048 sq(sk, 0, L"200", L"Search cancelled", NULL);
1051 static void fcmdread(struct socket *sk, struct uidata *data)
1056 if((buf = sockgetinbuf(sk, &bufsize)) == NULL)
1058 bufcat(data->fcmdbuf, buf, bufsize);
1062 static void fcmderr(struct socket *sk, int err, struct uidata *data)
1064 wchar_t *wbuf, *p, *p2;
1068 flog(LOG_WARNING, "error occurred on filtercmd pipe socket: %s", strerror(err));
1069 kill(-data->fcmdpid, SIGHUP);
1070 putsock(data->fcmdsk);
1071 data->fcmdsk = NULL;
1072 if(data->fcmdbuf != NULL)
1074 free(data->fcmdbuf);
1075 data->fcmdbuf = NULL;
1077 data->fcmdbufsize = data->fcmdbufdata = 0;
1078 sq(data->sk, 0, L"505", L"An error occurred on the pipe to the filtercmd", L"%%s", strerror(err), NULL);
1081 putsock(data->fcmdsk);
1082 data->fcmdsk = NULL;
1084 if(data->fcmdbuf == NULL)
1086 wbuf = swcsdup(L"");
1088 addtobuf(data->fcmdbuf, 0);
1089 wbuf = icmbstowcs(data->fcmdbuf, NULL);
1090 free(data->fcmdbuf);
1092 data->fcmdbuf = NULL;
1093 data->fcmdbufsize = data->fcmdbufdata = 0;
1096 sq(data->sk, 0, L"504", L"Filtercmd sent data which could not be converted from the local charset", NULL);
1100 for(p2 = wcschr(p, L'\n'); p2 != NULL; p2 = wcschr(p, L'\n'))
1103 sq(data->sk, (*p2 == L'\0')?0:1, L"200", L"%%ls", p, NULL);
1109 sq(data->sk, 0, L"201", L"No data returned", NULL);
1111 sq(data->sk, 0, L"200", L"%%ls", p, NULL);
1116 static void cmd_filtercmd(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1122 char *filtercmd, *argbuf;
1123 size_t cargvsize, cargvdata;
1124 struct passwd *pwent;
1127 havepriv(PERM_TRANS);
1128 if((pwent = getpwuid(data->uid)) == NULL)
1130 flog(LOG_WARNING, "no passwd entry for UI user %i", data->uid);
1131 sq(sk, 0, L"505", L"System error - Could not fork session", "Internal error", NULL);
1134 if((filtercmd = findfile(icswcstombs(confgetstr("ui", "filtercmd"), NULL, NULL), "dcdl-filtercmd", pwent->pw_dir, 0)) == NULL)
1136 flog(LOG_WARNING, "could not find filtercmd executable for user %s", pwent->pw_name);
1137 sq(sk, 0, L"505", L"System error - Could not fork session", L"Could not find filtercmd executable", NULL);
1141 cargvsize = cargvdata = 0;
1142 addtobuf(cargv, filtercmd);
1143 for(i = 1; i < argc; i++)
1145 if((argbuf = icwcstombs(argv[i], NULL)) == NULL)
1147 for(i = 0; i < cargvdata; i++)
1150 sq(sk, 0, L"504", L"%Could not convert argument %i into local character set", i, L"%%s", strerror(errno), NULL);
1153 addtobuf(cargv, argbuf);
1155 addtobuf(cargv, NULL);
1156 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)
1158 flog(LOG_WARNING, "could not fork session in filtercmd: %s", strerror(errno));
1159 sq(sk, 0, L"505", L"System error - Could not fork session", L"%%s", strerror(errno), NULL);
1164 execv(filtercmd, cargv);
1165 flog(LOG_WARNING, "could not exec filtercmd %s: %s", filtercmd, strerror(errno));
1168 for(pp = cargv; *pp; pp++)
1171 data->fcmdsk = wrapsock(pipe);
1172 data->fcmdpid = pid;
1173 if(data->fcmdbuf != NULL)
1175 free(data->fcmdbuf);
1176 data->fcmdbuf = NULL;
1178 data->fcmdbufsize = data->fcmdbufdata = 0;
1179 data->fcmdsk->data = data;
1180 data->fcmdsk->readcb = (void (*)(struct socket *, void *))fcmdread;
1181 data->fcmdsk->errcb = (void (*)(struct socket *, int, void *))fcmderr;
1184 static void cmd_lstrarg(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1186 struct transfer *transfer;
1190 havepriv(PERM_TRANS);
1191 if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL)
1193 sq(sk, 0, L"512", L"No such transfer", NULL);
1196 if((transfer->dir == TRNSD_DOWN) && (transfer->owner != data->uid))
1198 sq(sk, 0, L"502", L"You do not own that transfer", NULL);
1201 if(transfer->args == NULL)
1203 sq(sk, 0, L"201", L"Transfer has no arguments", NULL);
1205 for(ta = transfer->args; ta != NULL; ta = ta->next)
1206 sq(sk, ta->next != NULL, L"200", L"%%ls", ta->key, L"%%ls", ta->val, NULL);
1210 static void cmd_hashstatus(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1212 struct sharecache *node;
1216 for(node = shareroot->child; node != NULL; node = nextscnode(node))
1218 if(node->f.b.type == FILE_REG)
1221 if(node->f.b.hastth)
1225 sq(sk, 0, L"200", L"%%i", total, L"tth", L"%%i", hashed, NULL);
1228 static void cmd_transstatus(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1230 wchar_t *buf1, *buf2;
1232 havepriv(PERM_TRANS);
1233 buf1 = swprintf2(L"%lli", bytesdownload);
1234 buf2 = swprintf2(L"%lli", bytesupload);
1235 sq(sk, 0, L"200", L"%%ls", buf1, L"%%ls", buf2, NULL);
1240 static void cmd_register(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1245 if(data->userinfo == NULL) {
1246 sq(sk, 0, L"502", L"Must be logged in", NULL);
1249 if(argv[1][0] == L'#') {
1250 sq(sk, 0, L"509", L"Name must not begin with a hash sign", NULL);
1253 for(d2 = actives; d2 != NULL; d2 = d2->next) {
1254 if((d2 != data) && (d2->userinfo == data->userinfo) && d2->regname && !wcscmp(d2->regname, argv[1])) {
1255 sq(sk, 0, L"516", L"Name already in use", NULL);
1259 if(data->regname != NULL)
1260 free(data->regname);
1261 data->regname = swcsdup(argv[1]);
1262 sq(sk, 0, L"200", L"Registered", NULL);
1265 static void cmd_sendmsg(struct socket *sk, struct uidata *data, int argc, wchar_t **argv)
1268 struct uidata *rcpt;
1270 struct notif *notif;
1273 if(data->userinfo == NULL) {
1274 sq(sk, 0, L"502", L"Must be logged in", NULL);
1277 if(argv[1][0] == L'#') {
1278 rcptid = wcstol(argv[1] + 1, NULL, 0);
1279 for(rcpt = actives; rcpt != NULL; rcpt = rcpt->next) {
1280 if((rcpt->userinfo == data->userinfo) && (rcpt->id == rcptid))
1284 for(rcpt = actives; rcpt != NULL; rcpt = rcpt->next) {
1285 if((rcpt->userinfo == data->userinfo) && rcpt->regname && !wcscmp(rcpt->regname, argv[1]))
1290 sq(sk, 0, L"517", L"No such recipient", NULL);
1293 if(!rcpt->notify.b.msg) {
1294 sq(sk, 0, L"518", L"Recipient not listening for messages", NULL);
1297 if(data->regname != NULL)
1298 myname = swcsdup(data->regname);
1300 myname = swprintf2(L"#%i", data->id);
1301 notif = newnotif(rcpt, 640, NOTIF_STR, myname, NOTIF_END);
1302 for(i = 2; i < argc; i++)
1303 notifappend(notif, NOTIF_STR, argv[i], NOTIF_END);
1304 sq(sk, 0, L"200", L"Message sent", NULL);
1311 * Reserved command numbers for nameless commands:
1312 * 0: Issued when a client has connected
1313 * 1: Issued when a named command couldn't be found
1316 static struct command commands[] =
1318 {NULL, cmd_connect},
1319 {NULL, cmd_notfound},
1320 {L"shutdown", cmd_shutdown},
1321 {L"quit", cmd_quit},
1322 {L"lsauth", cmd_lsauth},
1323 {L"login", cmd_login},
1324 {L"pass", cmd_pass},
1325 {L"cnct", cmd_fnetconnect},
1326 {L"lsnodes", cmd_lsnodes},
1327 {L"dcnct", cmd_disconnect},
1328 {L"lspa", cmd_lspa},
1329 {L"lspeers", cmd_lspeers},
1330 {L"download", cmd_download},
1331 {L"lstrans", cmd_lstrans},
1332 {L"cancel", cmd_cancel},
1333 {L"notify", cmd_notify},
1334 {L"sendchat", cmd_sendchat},
1335 {L"search", cmd_search},
1336 {L"lssrch", cmd_lssrch},
1337 {L"lssr", cmd_lssr},
1338 {L"cansrch", cmd_cansrch},
1339 {L"filtercmd", cmd_filtercmd},
1340 {L"lstrarg", cmd_lstrarg},
1341 {L"hashstatus", cmd_hashstatus},
1342 {L"transstatus", cmd_transstatus},
1343 {L"register", cmd_register},
1344 {L"sendmsg", cmd_sendmsg},
1348 static void freequeuecmd(struct qcommand *qcmd)
1352 if(qcmd->argv != NULL)
1354 for(i = 0; i < qcmd->argc; i++)
1355 free(qcmd->argv[i]);
1361 static struct qcommand *unlinkqcmd(struct uidata *data)
1363 struct qcommand *qcmd;
1368 data->queue = qcmd->next;
1369 if(qcmd == data->queuelast)
1370 data->queuelast = qcmd->next;
1375 static void notifappendv(struct notif *notif, va_list args)
1379 while((dt = va_arg(args, int)) != NOTIF_END)
1382 notif->argv = realloc(notif->argv, sizeof(*notif->argv) * ++notif->argc);
1383 notif->argv[ca].dt = dt;
1388 notif->argv[ca].d.n = va_arg(args, int);
1391 notif->argv[ca].d.s = wcsdup(va_arg(args, wchar_t *));
1394 notif->argv[ca].d.d = va_arg(args, double);
1400 static void notifappend(struct notif *notif, ...)
1404 va_start(args, notif);
1405 notifappendv(notif, args);
1409 static struct notif *newnotif(struct uidata *data, int code, ...)
1411 struct notif *notif;
1414 notif = smalloc(sizeof(*notif));
1415 memset(notif, 0, sizeof(*notif));
1416 notif->rlimit = 0.0;
1419 va_start(args, code);
1420 notifappendv(notif, args);
1423 notif->prev = data->lnotif;
1424 if(data->lnotif != NULL)
1425 data->lnotif->next = notif;
1427 data->fnotif = notif;
1428 data->lnotif = notif;
1432 static void freenotif(struct notif *notif)
1436 if(notif->next != NULL)
1437 notif->next->prev = notif->prev;
1438 if(notif->prev != NULL)
1439 notif->prev->next = notif->next;
1440 if(notif == notif->ui->fnotif)
1441 notif->ui->fnotif = notif->next;
1442 if(notif == notif->ui->lnotif)
1443 notif->ui->lnotif = notif->prev;
1444 if(notif->exptimer != NULL)
1445 canceltimer(notif->exptimer);
1446 for(i = 0; i < notif->argc; i++)
1448 if(notif->argv[i].dt == NOTIF_STR)
1449 free(notif->argv[i].d.s);
1451 if(notif->argv != NULL)
1456 static void notifexpire(int cancelled, struct notif *notif)
1458 notif->exptimer = NULL;
1463 static struct notif *findnotif(struct notif *notif, int dir, int state, int code, int id)
1467 for(; notif != NULL; notif = (dir?notif->next:notif->prev))
1469 if((notif->code == code) && ((state < 0) || (state == notif->state)))
1474 for(i = 0; i < notif->argc; i++)
1476 if((notif->argv[i].dt == NOTIF_ID) && (notif->argv[i].d.n != id))
1491 static void freeuidata(struct uidata *data)
1494 struct qcommand *qcmd;
1496 if(data->next != NULL)
1497 data->next->prev = data->prev;
1498 if(data->prev != NULL)
1499 data->prev->next = data->next;
1501 actives = data->next;
1502 data->sk->readcb = NULL;
1503 data->sk->errcb = NULL;
1505 while((qcmd = unlinkqcmd(data)) != NULL)
1507 iconv_close(data->ichandle);
1508 if(data->cw != NULL)
1510 if(data->cb != NULL)
1512 if(data->argv != NULL)
1514 for(i = 0; i < data->argc; i++)
1515 free(data->argv[i]);
1518 if(data->auth != NULL)
1519 authputhandle(data->auth);
1520 if(data->regname != NULL)
1521 free(data->regname);
1522 if(data->username != NULL)
1524 if(data->userinfo != NULL)
1525 flog(LOG_INFO, "%ls logged out", data->username);
1526 free(data->username);
1529 while(data->fnotif != NULL)
1530 freenotif(data->fnotif);
1531 if(data->fcmdbuf != NULL)
1532 free(data->fcmdbuf);
1533 if(data->fcmdpid != 0)
1534 kill(-data->fcmdpid, SIGHUP);
1535 if(data->fcmdsk != NULL)
1536 putsock(data->fcmdsk);
1540 static void queuecmd(struct uidata *data, struct command *cmd, int argc, wchar_t **argv)
1542 struct qcommand *new;
1544 new = smalloc(sizeof(*new));
1549 if(data->queuelast != NULL)
1550 data->queuelast->next = new;
1551 data->queuelast = new;
1552 if(data->queue == NULL)
1556 static struct uidata *newuidata(struct socket *sk)
1558 struct uidata *data;
1559 static int curid = 0;
1561 data = smalloc(sizeof(*data));
1562 memset(data, 0, sizeof(*data));
1566 data->inbuf = smalloc(1024);
1568 if((data->ichandle = iconv_open("wchar_t", "utf-8")) == (iconv_t)-1)
1570 flog(LOG_CRIT, "iconv cannot handle UTF-8: %s", strerror(errno));
1573 data->next = actives;
1576 actives->prev = data;
1581 static void uiread(struct socket *sk, struct uidata *data)
1587 size_t datalen, len2;
1588 struct command *cur;
1590 if(data->indata > 1024)
1592 if((newbuf = sockgetinbuf(sk, &datalen)) == NULL)
1594 sizebuf(&data->inbuf, &data->inbufsize, data->indata + datalen, 1, 1);
1595 memcpy(data->inbuf + data->indata, newbuf, datalen);
1597 data->indata += datalen;
1598 if(data->cb == NULL)
1600 data->cb = smalloc(sizeof(wchar_t) * (data->cbsize = 64));
1602 data->pp = data->cb;
1607 if(data->cbsize == data->cbdata)
1609 len2 = data->pp - data->cb;
1610 data->cb = srealloc(data->cb, sizeof(wchar_t) * (data->cbsize *= 2));
1611 data->pp = data->cb + len2;
1614 p2 = (char *)(porig = (data->cb + data->cbdata));
1615 len2 = sizeof(wchar_t) * (data->cbsize - data->cbdata);
1616 ret = iconv(data->ichandle, &p1, &data->indata, &p2, &len2);
1617 memmove(data->inbuf, p1, data->indata);
1618 /* Just a sanity check */
1619 if(((p2 - ((char *)data->cb)) % sizeof(wchar_t)) != 0)
1621 flog(LOG_CRIT, "Aiya! iconv does strange things to our wchar_t's!");
1624 data->cbdata += (((wchar_t *)p2) - porig);
1630 /* XXX: Should this really just ignore it? */
1638 /* Just a sanity check */
1639 if(data->cbsize != data->cbdata)
1641 flog(LOG_CRIT, "Aiya! iconv doesn't give us wchar_t's!");
1646 flog(LOG_WARNING, "bug: strange error from iconv in uiread: %s", strerror(errno));
1654 while(!done && (data->pp - data->cb < data->cbdata))
1659 if(iswspace(*data->pp))
1661 if(*data->pp == L'\r')
1663 if(data->pp == data->cb + data->cbdata - 1)
1668 if(*(++data->pp) == L'\n')
1670 if((data->argv != NULL) && (data->argv[0] != NULL))
1672 for(cur = commands; cur->handler != NULL; cur++)
1674 if(cur->name == NULL)
1676 if(!wcscasecmp(cur->name, data->argv[0]))
1678 queuecmd(data, cur, data->argc, data->argv);
1682 if(cur->handler == NULL)
1683 queuecmd(data, &commands[1], data->argc, data->argv);
1685 queuecmd(data, &commands[1], data->argc, data->argv);
1690 wmemmove(data->cb, data->pp, data->cbdata -= (data->pp - data->cb));
1691 data->pp = data->cb;
1704 if(iswspace(*data->pp))
1706 addtobuf(data->cw, L'\0');
1707 sizebuf(&data->argv, &data->args, data->argc + 1, sizeof(*data->argv), 1);
1708 data->argv[data->argc++] = data->cw;
1713 } else if(*data->pp == L'\"') {
1716 } else if(*data->pp == L'\\') {
1717 if(data->pp == data->cb + data->cbdata - 1)
1722 addtobuf(data->cw, *(++data->pp));
1725 addtobuf(data->cw, *(data->pp++));
1729 if(*data->pp == L'\"')
1732 } else if(*data->pp == L'\\') {
1733 if(data->pp == data->cb + data->cbdata - 1)
1738 addtobuf(data->cw, *(++(data->pp)));
1740 addtobuf(data->cw, *data->pp);
1748 static void uierror(struct socket *sk, int err, struct uidata *data)
1751 flog(LOG_WARNING, "error occurred on UI socket: %s", strerror(err));
1755 static void uiaccept(struct socket *sk, struct socket *newsk, void *data)
1757 struct uidata *uidata;
1759 newsk->data = uidata = newuidata(newsk);
1760 socksettos(newsk, confgetint("ui", "uitos"));
1763 newsk->errcb = (void (*)(struct socket *, int, void *))uierror;
1764 newsk->readcb = (void (*)(struct socket *, void *))uiread;
1765 queuecmd(uidata, &commands[0], 0, NULL);
1768 static int srcheta(struct search *srch, void *uudata)
1770 struct uidata *data;
1772 for(data = actives; data != NULL; data = data->next)
1774 if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username))
1775 newnotif(data, 620, NOTIF_ID, srch->id, NOTIF_INT, srch->eta - time(NULL), NOTIF_END);
1780 static int srchcommit(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, 621, NOTIF_ID, srch->id, NOTIF_END);
1792 static int srchres(struct search *srch, struct srchres *sr, 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))
1800 newnotif(data, 622, NOTIF_ID, srch->id, NOTIF_STR, sr->filename, NOTIF_STR, sr->fnet->name, NOTIF_STR, sr->peerid, NOTIF_INT, sr->size,
1801 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);
1807 static int recvchat(struct fnetnode *fn, int public, wchar_t *name, wchar_t *peer, wchar_t *string, void *uudata)
1809 struct uidata *data;
1811 for(data = actives; data != NULL; data = data->next)
1813 if(haspriv(data, PERM_CHAT) && data->notify.b.fnchat)
1814 newnotif(data, 600, NOTIF_ID, fn->id, NOTIF_INT, public, NOTIF_STR, name, NOTIF_STR, peer, NOTIF_STR, string, NOTIF_END);
1819 static int fnactive(struct fnetnode *fn, wchar_t *attrib, void *uudata)
1821 struct uidata *data;
1822 struct notif *notif;
1824 if(!wcscmp(attrib, L"state"))
1826 for(data = actives; data != NULL; data = data->next)
1828 if(data->notify.b.fnact)
1829 newnotif(data, 601, NOTIF_ID, fn->id, NOTIF_INT, fn->state, NOTIF_END);
1831 } else if(!wcscmp(attrib, L"name")) {
1832 for(data = actives; data != NULL; data = data->next)
1834 if(data->notify.b.fnact)
1835 newnotif(data, 602, NOTIF_ID, fn->id, NOTIF_STR, fn->name, NOTIF_END);
1837 } else if(!wcscmp(attrib, L"numpeers")) {
1838 for(data = actives; data != NULL; data = data->next)
1840 if(data->notify.b.fnact)
1842 if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 605, fn->id)) != NULL)
1843 notif->argv[1].d.n = fn->numpeers;
1845 newnotif(data, 605, NOTIF_ID, fn->id, NOTIF_INT, fn->numpeers, NOTIF_END)->rlimit = 0.5;
1852 static int fnunlink(struct fnetnode *fn, void *uudata)
1854 struct uidata *data;
1856 for(data = actives; data != NULL; data = data->next)
1858 if(data->notify.b.fnact)
1859 newnotif(data, 603, NOTIF_ID, fn->id, NOTIF_END);
1864 static int peernew(struct fnetnode *fn, struct fnetpeer *peer, void *uudata)
1866 struct uidata *data;
1868 for(data = actives; data != NULL; data = data->next)
1870 if(data->notify.b.fnpeer)
1871 newnotif(data, 630, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_STR, peer->nick, NOTIF_END);
1876 static int peerdel(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, 631, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_END);
1888 static int peerchange(struct fnetnode *fn, struct fnetpeer *peer, struct fnetpeerdi *di, void *uudata)
1890 struct uidata *data;
1891 struct notif *notif;
1894 for(data = actives; data != NULL; data = data->next)
1896 if(data->notify.b.fnpeer)
1898 for(notif = data->fnotif; notif != NULL; notif = notif->next)
1900 if((notif->code == 632) && (notif->state == NOTIF_PEND) && (notif->argv[0].d.n == fn->id) && !wcscmp(notif->argv[1].d.s, peer->id))
1904 notif = newnotif(data, 632, NOTIF_INT, fn->id, NOTIF_STR, peer->id, NOTIF_STR, peer->nick, NOTIF_END);
1905 notifappend(notif, NOTIF_STR, di->datum->id, NOTIF_INT, di->datum->datatype, NOTIF_END);
1906 switch(di->datum->datatype)
1909 notifappend(notif, NOTIF_INT, di->data.num, NOTIF_END);
1912 notifappend(notif, NOTIF_STR, di->data.str, NOTIF_END);
1915 swprintf(buf, sizeof(buf) / sizeof(*buf), L"%lli", di->data.lnum);
1916 notifappend(notif, NOTIF_STR, buf, NOTIF_END);
1924 static int newfnetnode(struct fnetnode *fn, void *uudata)
1926 struct uidata *data;
1928 for(data = actives; data != NULL; data = data->next)
1930 if(data->notify.b.fnact)
1931 newnotif(data, 604, NOTIF_ID, fn->id, NOTIF_STR, fn->fnet->name, NOTIF_END);
1933 CBREG(fn, fnetnode_ac, fnactive, NULL, NULL);
1934 CBREG(fn, fnetnode_chat, recvchat, NULL, NULL);
1935 CBREG(fn, fnetnode_unlink, fnunlink, NULL, NULL);
1936 CBREG(fn, fnetpeer_new, peernew, NULL, NULL);
1937 CBREG(fn, fnetpeer_del, peerdel, NULL, NULL);
1938 CBREG(fn, fnetpeer_chdi, peerchange, NULL, NULL);
1942 static int transferchattr(struct transfer *transfer, wchar_t *attrib, void *uudata)
1944 struct uidata *data;
1946 if(!wcscmp(attrib, L"state"))
1948 for(data = actives; data != NULL; data = data->next)
1950 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1951 newnotif(data, 611, NOTIF_ID, transfer->id, NOTIF_INT, transfer->state, NOTIF_END);
1953 } else if(!wcscmp(attrib, L"nick")) {
1954 for(data = actives; data != NULL; data = data->next)
1956 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1957 newnotif(data, 612, NOTIF_ID, transfer->id, NOTIF_STR, transfer->peernick, NOTIF_END);
1959 } else if(!wcscmp(attrib, L"size")) {
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, 613, NOTIF_ID, transfer->id, NOTIF_INT, transfer->size, NOTIF_END);
1965 } else if(!wcscmp(attrib, L"error")) {
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, 614, NOTIF_ID, transfer->id, NOTIF_INT, transfer->error, NOTIF_END);
1971 } else if(!wcscmp(attrib, L"path")) {
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, 616, NOTIF_ID, transfer->id, NOTIF_STR, transfer->path, NOTIF_END);
1977 } else if(!wcscmp(attrib, L"hash")) {
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, 618, NOTIF_ID, transfer->id, NOTIF_STR, (transfer->hash == NULL)?L"":unparsehash(transfer->hash), NOTIF_END);
1987 static int transferprog(struct transfer *transfer, void *uudata)
1989 struct uidata *data;
1990 struct notif *notif;
1992 for(data = actives; data != NULL; data = data->next)
1994 if(haspriv(data, PERM_TRANS) && data->notify.b.trprog && ((transfer->owner == 0) || (transfer->owner == data->uid)))
1996 if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 615, transfer->id)) != NULL)
1997 notif->argv[1].d.n = transfer->curpos;
1999 newnotif(data, 615, NOTIF_ID, transfer->id, NOTIF_INT, transfer->curpos, NOTIF_END)->rlimit = 0.5;
2005 static int transferdestroyed(struct transfer *transfer, void *uudata)
2007 struct uidata *data;
2009 for(data = actives; data != NULL; data = data->next)
2011 if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid)))
2012 newnotif(data, 617, NOTIF_ID, transfer->id, NOTIF_STR, (transfer->exitstatus == NULL)?L"":(transfer->exitstatus), NOTIF_END);
2017 static int newtransfernotify(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, 610, NOTIF_ID, transfer->id, NOTIF_INT, transfer->dir, NOTIF_STR, transfer->peerid, NOTIF_STR, (transfer->path == NULL)?L"":transfer->path, NOTIF_END);
2026 CBREG(transfer, trans_ac, transferchattr, NULL, NULL);
2027 CBREG(transfer, trans_p, transferprog, NULL, NULL);
2028 CBREG(transfer, trans_destroy, transferdestroyed, NULL, NULL);
2032 static struct uiuser *newuser(wchar_t *name, unsigned long perms)
2036 new = smalloc(sizeof(*new));
2038 new->name = swcsdup(name);
2049 static void freeuser(struct uiuser *user)
2051 if(user->next != NULL)
2052 user->next->prev = user->prev;
2053 if(user->prev != NULL)
2054 user->prev->next = user->next;
2061 static int conf_user(int argc, wchar_t **argv)
2063 int i, perms, permmod;
2064 struct uiuser *user;
2069 flog(LOG_WARNING, "not enough arguments given for user command");
2073 for(i = 2; i < argc; i++)
2075 if(!iswalpha(argv[i][0]))
2079 if(!wcscmp(p, L"disallow"))
2080 permmod = PERM_DISALLOW;
2081 if(!wcscmp(p, L"admin"))
2082 permmod = PERM_ADMIN;
2083 if(!wcscmp(p, L"fnetctl"))
2084 permmod = PERM_FNETCTL;
2085 if(!wcscmp(p, L"trans"))
2086 permmod = PERM_TRANS;
2087 if(!wcscmp(p, L"transcu"))
2088 permmod = PERM_TRANSCU;
2089 if(!wcscmp(p, L"chat"))
2090 permmod = PERM_CHAT;
2091 if(!wcscmp(p, L"srch"))
2092 permmod = PERM_SRCH;
2093 if(!wcscmp(p, L"all"))
2095 if(argv[i][0] == L'-')
2100 if((user = finduser(argv[1])) == NULL)
2102 newuser(argv[1], perms);
2105 user->perms = perms;
2110 static void preinit(int hup)
2112 struct uiuser *user;
2116 newuser(L"default", 0);
2118 for(user = users; user != NULL; user = user->next)
2120 if(!wcscmp(user->name, L"default"))
2126 static int portupdate(struct configvar *var, void *uudata)
2128 struct socket *newsock;
2130 if((uisocket = netcstcplisten(var->val.num, 1, uiaccept, NULL)) == NULL)
2132 flog(LOG_WARNING, "could not create new UI socket, reverting to old: %s", strerror(errno));
2135 if(uisocket != NULL)
2141 static int init(int hup)
2143 struct uiuser *user, *next;
2147 for(user = users; user != NULL; user = next)
2156 if(uisocket != NULL)
2158 if((uisocket = netcstcplisten(confgetint("ui", "port"), 1, uiaccept, NULL)) == NULL)
2160 flog(LOG_CRIT, "could not create UI socket: %s", strerror(errno));
2163 CBREG(confgetvar("ui", "port"), conf_update, portupdate, NULL, NULL);
2164 GCBREG(newfncb, newfnetnode, NULL);
2165 GCBREG(newtransfercb, newtransfernotify, NULL);
2170 static int run(void)
2173 struct uidata *data, *next;
2174 struct qcommand *qcmd;
2175 struct notif *notif, *nnotif;
2178 for(data = actives; data != NULL; data = next)
2184 for(data = actives; data != NULL; data = data->next)
2186 for(notif = data->fnotif; notif != NULL; notif = nnotif)
2188 nnotif = notif->next;
2189 if(notif->state == NOTIF_WAIT)
2192 for(i = 0; i < notif->argc; i++)
2194 if(notif->argv[i].dt == NOTIF_ID)
2196 id = notif->argv[i].d.n;
2200 if(findnotif(notif->prev, 0, -1, notif->code, id) != NULL)
2202 sq(data->sk, 2, L"%%i", notif->code, NULL);
2203 for(i = 0; i < notif->argc; i++)
2205 switch(notif->argv[i].dt)
2209 sq(data->sk, 2, L"%%i", notif->argv[i].d.n, NULL);
2212 if(notif->argv[i].d.s[0] == L'%')
2213 sq(data->sk, 2, L"%%s", notif->argv[i].d.s, NULL);
2215 sq(data->sk, 2, notif->argv[i].d.s, NULL);
2218 swprintf(buf, 64, L"%f", notif->argv[i].d.d);
2219 sq(data->sk, 2, buf, NULL);
2223 sq(data->sk, 0, NULL);
2224 if(notif->rlimit != 0)
2226 notif->state = NOTIF_WAIT;
2227 notif->exptimer = timercallback(ntime() + notif->rlimit, (void (*)(int, void *))notifexpire, notif);
2232 if((qcmd = unlinkqcmd(data)) != NULL)
2234 qcmd->cmd->handler(data->sk, data, qcmd->argc, qcmd->argv);
2242 static void terminate(void)
2244 while(users != NULL)
2248 static struct configvar myvars[] =
2250 {CONF_VAR_BOOL, "onlylocal", {.num = 1}},
2251 {CONF_VAR_INT, "port", {.num = 1500}},
2252 {CONF_VAR_INT, "uitos", {.num = SOCK_TOS_MINDELAY}},
2253 {CONF_VAR_STRING, "filtercmd", {.str = L"dc-filtercmd"}},
2257 static struct configcmd mycmds[] =
2259 {"user", conf_user},
2263 static struct module me =
2274 .terminate = terminate