X-Git-Url: http://dolda2000.com/gitweb/?a=blobdiff_plain;f=daemon%2Fui.c;h=9d10fa2a8792a2dcd9a90b5b6e55f2be1a7c3057;hb=f945525047ca6dff44f4eb947d0238e259a436e8;hp=467970e7088665ecc9c98372d50a60d209ba1150;hpb=c0845d5b08eb1782837d67b89b0353ad27a49450;p=doldaconnect.git diff --git a/daemon/ui.c b/daemon/ui.c index 467970e..9d10fa2 100644 --- a/daemon/ui.c +++ b/daemon/ui.c @@ -1,6 +1,6 @@ /* * Dolda Connect - Modular multiuser Direct Connect-style client - * Copyright (C) 2004 Fredrik Tolf (fredrik@dolda2000.com) + * Copyright (C) 2004 Fredrik Tolf * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -34,6 +34,7 @@ #include #include #include +#include #ifdef HAVE_CONFIG_H #include @@ -62,6 +63,7 @@ #define NOTIF_STR 2 #define NOTIF_FLOAT 3 #define NOTIF_ID 4 +#define NOTIF_OFF 5 #define NOTIF_PEND 0 #define NOTIF_WAIT 1 @@ -105,6 +107,7 @@ struct notif union { int n; + off_t o; wchar_t *s; double d; } d; @@ -116,6 +119,7 @@ struct uidata struct uidata *next, *prev; struct socket *sk; struct qcommand *queue, *queuelast; + size_t queuesize; struct authhandle *auth; int close; union @@ -232,6 +236,12 @@ static void sq(struct socket *sk, int cont, ...) { freepart = 1; part = swprintf2(L"%i", va_arg(al, int)); + } else if(!wcscmp(tpart, L"zi")) { + freepart = 1; + part = swprintf2(L"%zi", va_arg(al, size_t)); + } else if(!wcscmp(tpart, L"oi")) { + freepart = 1; + part = swprintf2(L"%ji", (intmax_t)va_arg(al, off_t)); } else if(!wcscmp(tpart, L"s")) { freepart = 1; part = icmbstowcs(sarg = va_arg(al, char *), NULL); @@ -324,7 +334,7 @@ static int haspriv(struct uidata *data, int perm) /* Useful macros for the command functions: */ #define haveargs(n) do { if(argc < n) { sq(sk, 0, L"501", L"Wrong number of arguments", NULL); return; } } while(0) -#define havepriv(p) do { if((data->userinfo == NULL) || ((data->userinfo->perms & (p)) != (p))) { sq(sk, 0, L"502", L"Unauthorized request", L"needed", L"%x", (p), L"had", L"%x", data->userinfo->perms, NULL); return; } } while(0) +#define havepriv(p) do { if((data->userinfo == NULL) || ((data->userinfo->perms & (p)) != (p))) { sq(sk, 0, L"502", L"Unauthorized request", L"needed", L"%x", (p), NULL); return; } } while(0) static void cmd_connect(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) { @@ -361,7 +371,7 @@ static void cmd_connect(struct socket *sk, struct uidata *data, int argc, wchar_ return; } } - sq(sk, 0, L"201", L"1", L"1", L"Dolda Connect daemon v" VERSION, NULL); + sq(sk, 0, L"201", L"1", L"3", L"Dolda Connect daemon v" VERSION, NULL); } static void cmd_notfound(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) @@ -686,7 +696,7 @@ static void cmd_lspeers(struct socket *sk, struct uidata *data, int argc, wchar_ { int i; struct fnetnode *fn; - struct fnetpeer *peer; + struct fnetpeer *peer, *npeer; haveargs(2); if((fn = findfnetnode(wcstol(argv[1], NULL, 0))) == NULL) @@ -696,11 +706,12 @@ static void cmd_lspeers(struct socket *sk, struct uidata *data, int argc, wchar_ } if(fn->peers == NULL) { - sq(sk, 0, L"201", L"No peers avaiable", NULL); + sq(sk, 0, L"201", L"No peers available", NULL); } else { - for(peer = fn->peers; peer != NULL; peer = peer->next) + for(peer = btreeiter(fn->peers); peer != NULL; peer = npeer) { - sq(sk, 2 | ((peer->next != NULL)?1:0), L"200", L"%ls", peer->id, L"%ls", peer->nick, NULL); + npeer = btreeiter(NULL); + sq(sk, 2 | ((npeer != NULL)?1:0), L"200", L"%ls", peer->id, L"%ls", peer->nick, NULL); for(i = 0; i < peer->dinum; i++) { if(peer->peerdi[i].datum->datatype == FNPD_INT) @@ -764,7 +775,7 @@ static void cmd_download(struct socket *sk, struct uidata *data, int argc, wchar linktransfer(transfer); } if(argc > 4) - transfersetsize(transfer, wcstol(argv[4], NULL, 0)); + transfersetsize(transfer, wcstoll(argv[4], NULL, 0)); if(argc > 5) { for(i = 5; i < argc; i += 2) @@ -796,7 +807,7 @@ static void cmd_lstrans(struct socket *sk, struct uidata *data, int argc, wchar_ L"%i", pt->state, pt->peerid, (pt->peernick == NULL)?L"":(pt->peernick), (pt->path == NULL)?L"":(pt->path), - L"%i", pt->size, L"%i", pt->curpos, + L"%oi", pt->size, L"%oi", pt->curpos, (pt->hash == NULL)?L"":unparsehash(pt->hash), NULL); pt = transfer; @@ -809,7 +820,7 @@ static void cmd_lstrans(struct socket *sk, struct uidata *data, int argc, wchar_ L"%i", pt->state, pt->peerid, (pt->peernick == NULL)?L"":(pt->peernick), (pt->path == NULL)?L"":(pt->path), - L"%i", pt->size, L"%i", pt->curpos, + L"%oi", pt->size, L"%oi", pt->curpos, (pt->hash == NULL)?L"":unparsehash(pt->hash), NULL); } @@ -839,6 +850,26 @@ static void cmd_cancel(struct socket *sk, struct uidata *data, int argc, wchar_t sq(sk, 0, L"200", L"Transfer cancelled", NULL); } +static void cmd_reset(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) +{ + struct transfer *transfer; + + haveargs(2); + havepriv(PERM_TRANS); + if((transfer = findtransfer(wcstol(argv[1], NULL, 0))) == NULL) + { + sq(sk, 0, L"512", L"No such transfer", NULL); + return; + } + if(transfer->dir == TRNSD_UP) + { + sq(sk, 0, L"512", L"Only applicable to downloads", NULL); + return; + } + resettransfer(transfer); + sq(sk, 0, L"200", L"Transfer reset", NULL); +} + static void cmd_notify(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) { int i, val; @@ -1028,7 +1059,7 @@ static void cmd_lssr(struct socket *sk, struct uidata *data, int argc, wchar_t * for(sr = srch->results; sr != NULL; sr = sr->next) { sq(sk, (sr->next != NULL)?1:0, L"200", L"%ls", sr->filename, - sr->fnet->name, L"%ls", sr->peerid, L"%i", sr->size, + sr->fnet->name, L"%ls", sr->peerid, L"%oi", sr->size, L"%i", sr->slots, L"%i", (sr->fn == NULL)?-1:(sr->fn->id), L"%f", sr->time, L"%ls", (sr->hash == NULL)?L"":unparsehash(sr->hash), NULL); @@ -1318,6 +1349,16 @@ static void cmd_uptime(struct socket *sk, struct uidata *data, int argc, wchar_t sq(sk, 0, L"200", L"%i", time(NULL) - starttime, NULL); } +static void cmd_hup(struct socket *sk, struct uidata *data, int argc, wchar_t **argv) +{ + extern volatile int reinit; + + havepriv(PERM_ADMIN); + flog(LOG_NOTICE, "UI HUP request from %ls", data->username); + reinit = 1; + sq(sk, 0, L"200", L"Will reinit", NULL); +} + #undef haveargs #undef havepriv @@ -1344,6 +1385,7 @@ static struct command commands[] = {L"download", cmd_download}, {L"lstrans", cmd_lstrans}, {L"cancel", cmd_cancel}, + {L"reset", cmd_reset}, {L"notify", cmd_notify}, {L"sendchat", cmd_sendchat}, {L"search", cmd_search}, @@ -1357,6 +1399,7 @@ static struct command commands[] = {L"register", cmd_register}, {L"sendmsg", cmd_sendmsg}, {L"uptime", cmd_uptime}, + {L"hup", cmd_hup}, {NULL, NULL} }; @@ -1380,6 +1423,7 @@ static struct qcommand *unlinkqcmd(struct uidata *data) qcmd = data->queue; if(qcmd != NULL) { + data->queuesize--; data->queue = qcmd->next; if(qcmd == data->queuelast) data->queuelast = qcmd->next; @@ -1402,8 +1446,11 @@ static void notifappendv(struct notif *notif, va_list args) case NOTIF_ID: notif->argv[ca].d.n = va_arg(args, int); break; + case NOTIF_OFF: + notif->argv[ca].d.o = va_arg(args, off_t); + break; case NOTIF_STR: - notif->argv[ca].d.s = wcsdup(va_arg(args, wchar_t *)); + notif->argv[ca].d.s = swcsdup(va_arg(args, wchar_t *)); break; case NOTIF_FLOAT: notif->argv[ca].d.d = va_arg(args, double); @@ -1516,6 +1563,7 @@ static void freeuidata(struct uidata *data) actives = data->next; data->sk->readcb = NULL; data->sk->errcb = NULL; + closesock(data->sk); putsock(data->sk); while((qcmd = unlinkqcmd(data)) != NULL) freequeuecmd(qcmd); @@ -1566,6 +1614,7 @@ static void queuecmd(struct uidata *data, struct command *cmd, int argc, wchar_t data->queuelast = new; if(data->queue == NULL) data->queue = new; + data->queuesize++; } static struct uidata *newuidata(struct socket *sk) @@ -1758,6 +1807,11 @@ static void uiread(struct socket *sk, struct uidata *data) break; } } + if(data->cbdata > 16384) + { + /* Kill clients that send us unreasonably long lines */ + data->close = 1; + } } static void uierror(struct socket *sk, int err, struct uidata *data) @@ -1812,7 +1866,7 @@ static int srchres(struct search *srch, struct srchres *sr, void *uudata) { if(haspriv(data, PERM_SRCH) && data->notify.b.srch && !wcscmp(srch->owner, data->username)) { - newnotif(data, 622, NOTIF_ID, srch->id, NOTIF_STR, sr->filename, NOTIF_STR, sr->fnet->name, NOTIF_STR, sr->peerid, NOTIF_INT, sr->size, + newnotif(data, 622, NOTIF_ID, srch->id, NOTIF_STR, sr->filename, NOTIF_STR, sr->fnet->name, NOTIF_STR, sr->peerid, NOTIF_OFF, sr->size, 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); } } @@ -1975,7 +2029,7 @@ static int transferchattr(struct transfer *transfer, wchar_t *attrib, void *uuda for(data = actives; data != NULL; data = data->next) { if(haspriv(data, PERM_TRANS) && data->notify.b.tract && ((transfer->owner == 0) || (transfer->owner == data->uid))) - newnotif(data, 613, NOTIF_ID, transfer->id, NOTIF_INT, transfer->size, NOTIF_END); + newnotif(data, 613, NOTIF_ID, transfer->id, NOTIF_OFF, transfer->size, NOTIF_END); } } else if(!wcscmp(attrib, L"error")) { for(data = actives; data != NULL; data = data->next) @@ -2009,9 +2063,9 @@ static int transferprog(struct transfer *transfer, void *uudata) if(haspriv(data, PERM_TRANS) && data->notify.b.trprog && ((transfer->owner == 0) || (transfer->owner == data->uid))) { if((notif = findnotif(data->fnotif, 1, NOTIF_PEND, 615, transfer->id)) != NULL) - notif->argv[1].d.n = transfer->curpos; + notif->argv[1].d.o = transfer->curpos; else - newnotif(data, 615, NOTIF_ID, transfer->id, NOTIF_INT, transfer->curpos, NOTIF_END)->rlimit = 0.5; + newnotif(data, 615, NOTIF_ID, transfer->id, NOTIF_OFF, transfer->curpos, NOTIF_END)->rlimit = 0.5; } } return(0); @@ -2202,13 +2256,17 @@ static int unixsockupdate(struct configvar *var, void *uudata) { struct socket *newsock; struct sockaddr_un *un; + mode_t ou; newsock = NULL; + ou = umask(0111); if(((un = makeunixname()) != NULL) && ((newsock = netcslistenlocal(SOCK_STREAM, (struct sockaddr *)un, sizeof(*un), uiaccept, NULL)) == NULL)) { + umask(ou); flog(LOG_WARNING, "could not create new Unix UI socket, reverting to old: %s", strerror(errno)); return(0); } + umask(ou); if(unixsocket != NULL) { putsock(unixsocket); @@ -2224,6 +2282,7 @@ static int init(int hup) struct sockaddr_un *un; struct passwd *pwd; wchar_t *wcsname; + mode_t ou; if(hup) { @@ -2243,11 +2302,14 @@ static int init(int hup) return(1); } CBREG(confgetvar("ui", "port"), conf_update, tcpportupdate, NULL, NULL); + ou = umask(0111); if(((un = makeunixname()) != NULL) && ((unixsocket = netcslistenlocal(SOCK_STREAM, (struct sockaddr *)un, sizeof(*un), uiaccept, NULL)) == NULL)) { + umask(ou); flog(LOG_CRIT, "could not create Unix UI socket: %s", strerror(errno)); return(1); } + umask(ou); CBREG(confgetvar("ui", "unixsock"), conf_update, unixsockupdate, NULL, NULL); GCBREG(newfncb, newfnetnode, NULL); GCBREG(newtransfercb, newtransfernotify, NULL); @@ -2318,6 +2380,9 @@ static int run(void) case NOTIF_ID: sq(data->sk, 2, L"%i", notif->argv[i].d.n, NULL); break; + case NOTIF_OFF: + sq(data->sk, 2, L"%oi", notif->argv[i].d.o, NULL); + break; case NOTIF_STR: if(notif->argv[i].d.s[0] == L'%') sq(data->sk, 2, L"%ls", notif->argv[i].d.s, NULL); @@ -2344,6 +2409,15 @@ static int run(void) freequeuecmd(qcmd); return(1); } + if(data->queuesize > 10) + { + /* Clients should not be queue up commands at all, since + * they should not send a new command before receiving a + * reply to the previous command. Therefore, we + * mercilessly massacre clients which are stacking up too + * many commands. */ + data->close = 1; + } } return(0); }