X-Git-Url: http://dolda2000.com/gitweb/?a=blobdiff_plain;f=daemon%2Ftransfer.c;h=177353cae655a1881ccddede583e96b7c76fc3c5;hb=f63305cce846ed60e079397fa9fc06a35d5ce365;hp=ab2579d64cdeed5bcb52e6212b246b3f5734faf1;hpb=5ec60e4217863b0e2d6a86ba3f60f60c68608227;p=doldaconnect.git diff --git a/daemon/transfer.c b/daemon/transfer.c index ab2579d..177353c 100644 --- a/daemon/transfer.c +++ b/daemon/transfer.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 @@ -26,6 +26,7 @@ #include #include #include +#include #ifdef HAVE_CONFIG_H #include @@ -39,10 +40,6 @@ #include "client.h" static void killfilter(struct transfer *transfer); -static int transferread(struct socket *sk, struct transfer *transfer); -static int transferwrite(struct socket *sk, struct transfer *transfer); -static int transfererr(struct socket *sk, int errno, struct transfer *transfer); -static int filterread(struct socket *sk, struct transfer *transfer); unsigned long long bytesupload = 0; unsigned long long bytesdownload = 0; @@ -88,14 +85,16 @@ void freetransfer(struct transfer *transfer) free(transfer->exitstatus); if(transfer->localend != NULL) { - CBUNREG(transfer->localend, socket_read, transferread, transfer); - CBUNREG(transfer->localend, socket_write, transferwrite, transfer); - CBUNREG(transfer->localend, socket_err, transfererr, transfer); + transfer->localend->readcb = NULL; + transfer->localend->writecb = NULL; + transfer->localend->errcb = NULL; putsock(transfer->localend); } if(transfer->filterout != NULL) { - CBUNREG(transfer->filterout, socket_read, filterread, transfer); + transfer->filterout->readcb = NULL; + transfer->filterout->writecb = NULL; + transfer->filterout->errcb = NULL; putsock(transfer->filterout); } if(transfer->fn != NULL) @@ -127,22 +126,94 @@ struct transfer *newtransfer(void) return(new); } -void transferattach(struct transfer *transfer, struct transferiface *iface, void *data) +static void localread(struct socket *sk, struct transfer *transfer) { - if(transfer->iface != NULL) - transferdetach(transfer); - transfer->iface = iface; - transfer->ifacedata = data; + void *buf; + size_t blen; + + if((transfer->datapipe != NULL) && (sockqueueleft(transfer->datapipe) > 0)) { + buf = sockgetinbuf(sk, &blen); + if((transfer->endpos >= 0) && (transfer->curpos + blen > transfer->endpos)) + blen = transfer->endpos - transfer->curpos; + sockqueue(transfer->datapipe, buf, blen); + free(buf); + time(&transfer->activity); + transfer->curpos += blen; + bytesupload += blen; + CBCHAINDOCB(transfer, trans_p, transfer); + } +} + +static void dataread(struct socket *sk, struct transfer *transfer) +{ + void *buf; + size_t blen; + + if((transfer->localend != NULL) && (sockqueueleft(transfer->localend) > 0)) { + buf = sockgetinbuf(sk, &blen); + if((transfer->endpos >= 0) && (transfer->curpos + blen > transfer->endpos)) + blen = transfer->endpos - transfer->curpos; + sockqueue(transfer->localend, buf, blen); + free(buf); + transfer->curpos += blen; + bytesdownload += blen; + CBCHAINDOCB(transfer, trans_p, transfer); + } +} + +static void localwrite(struct socket *sk, struct transfer *transfer) +{ + if(transfer->datapipe != NULL) + dataread(transfer->datapipe, transfer); +} + +static void datawrite(struct socket *sk, struct transfer *transfer) +{ + if(transfer->localend != NULL) + localread(transfer->localend, transfer); +} + +static void localerr(struct socket *sk, int errno, struct transfer *transfer) +{ + if(transfer->datapipe != NULL) + closesock(transfer->datapipe); +} + +static void dataerr(struct socket *sk, int errno, struct transfer *transfer) +{ + if(transfer->dir == TRNSD_DOWN) { + if(transfer->curpos >= transfer->size) { + transfersetstate(transfer, TRNS_DONE); + if(transfer->localend != NULL) { + closesock(transfer->localend); + quitsock(transfer->localend); + transfer->localend = NULL; + } + } else { + resettransfer(transfer); + } + } else if(transfer->dir == TRNSD_UP) { + transfer->close = 1; + } +} + +void transferattach(struct transfer *transfer, struct socket *dpipe) +{ + transferdetach(transfer); + getsock(transfer->datapipe = dpipe); + dpipe->readcb = (void (*)(struct socket *, void *))dataread; + dpipe->writecb = (void (*)(struct socket *, void *))datawrite; + dpipe->errcb = (void (*)(struct socket *, int, void *))dataerr; + dpipe->data = transfer; } void transferdetach(struct transfer *transfer) { - if(transfer->iface != NULL) - { - transfer->iface->detach(transfer, transfer->ifacedata); - transfer->iface = NULL; - transfer->ifacedata = NULL; + if(transfer->datapipe != NULL) { + closesock(transfer->datapipe); + quitsock(transfer->datapipe); } + transfer->datapipe = NULL; } struct transfer *finddownload(wchar_t *peerid) @@ -151,7 +222,7 @@ struct transfer *finddownload(wchar_t *peerid) for(transfer = transfers; transfer != NULL; transfer = transfer->next) { - if((transfer->dir == TRNSD_DOWN) && (transfer->iface == NULL) && !wcscmp(peerid, transfer->peerid)) + if((transfer->dir == TRNSD_DOWN) && (transfer->datapipe == NULL) && !wcscmp(peerid, transfer->peerid)) break; } return(transfer); @@ -169,7 +240,7 @@ struct transfer *hasupload(struct fnet *fnet, wchar_t *peerid) return(transfer); } -struct transfer *newupload(struct fnetnode *fn, struct fnet *fnet, wchar_t *nickid, struct transferiface *iface, void *data) +struct transfer *newupload(struct fnetnode *fn, struct fnet *fnet, wchar_t *nickid, struct socket *dpipe) { struct transfer *transfer; @@ -183,7 +254,7 @@ struct transfer *newupload(struct fnetnode *fn, struct fnet *fnet, wchar_t *nick transfer->dir = TRNSD_UP; if(fn != NULL) getfnetnode(transfer->fn = fn); - transferattach(transfer, iface, data); + transferattach(transfer, dpipe); linktransfer(transfer); bumptransfer(transfer); return(transfer); @@ -203,8 +274,7 @@ void resettransfer(struct transfer *transfer) { if(transfer->dir == TRNSD_DOWN) { - if(transfer->iface != NULL) - transferdetach(transfer); + transferdetach(transfer); killfilter(transfer); transfersetstate(transfer, TRNS_WAITING); transfersetactivity(transfer, L"reset"); @@ -233,85 +303,11 @@ static void transexpire(int cancelled, struct transfer *transfer) transfer->timeout = 0; } -static int transferread(struct socket *sk, struct transfer *transfer) -{ - if(sockgetdatalen(sk) >= 65536) - sk->ignread = 1; - if((transfer->iface != NULL) && (transfer->iface->gotdata != NULL)) - transfer->iface->gotdata(transfer, transfer->ifacedata); - return(0); -} - -static int transferwrite(struct socket *sk, struct transfer *transfer) -{ - if((transfer->iface != NULL) && (transfer->iface->wantdata != NULL)) - transfer->iface->wantdata(transfer, transfer->ifacedata); - return(0); -} - -static int transfererr(struct socket *sk, int errno, struct transfer *transfer) -{ - if((transfer->iface != NULL) && (transfer->iface->endofdata != NULL)) - transfer->iface->endofdata(transfer, transfer->ifacedata); - return(0); -} - -void transferputdata(struct transfer *transfer, void *buf, size_t size) -{ - time(&transfer->activity); - sockqueue(transfer->localend, buf, size); - transfer->curpos += size; - bytesdownload += size; - CBCHAINDOCB(transfer, trans_p, transfer); -} - -void transferendofdata(struct transfer *transfer) -{ - if(transfer->curpos >= transfer->size) - { - transfersetstate(transfer, TRNS_DONE); - CBUNREG(transfer->localend, socket_read, transferread, transfer); - CBUNREG(transfer->localend, socket_write, transferwrite, transfer); - CBUNREG(transfer->localend, socket_err, transfererr, transfer); - putsock(transfer->localend); - transfer->localend = NULL; - } else { - resettransfer(transfer); - } -} - -size_t transferdatasize(struct transfer *transfer) -{ - return(sockqueuesize(transfer->localend)); -} - -void *transfergetdata(struct transfer *transfer, size_t *size) -{ - void *buf; - - if(transfer->localend == NULL) - return(NULL); - transfer->localend->ignread = 0; - time(&transfer->activity); - if((buf = sockgetinbuf(transfer->localend, size)) == NULL) - return(NULL); - if((transfer->endpos >= 0) && (transfer->curpos + *size >= transfer->endpos)) - { - *size = transfer->endpos - transfer->curpos; - buf = srealloc(buf, *size); - } - transfer->curpos += *size; - bytesupload += *size; - CBCHAINDOCB(transfer, trans_p, transfer); - return(buf); -} - -void transferprepul(struct transfer *transfer, size_t size, size_t start, size_t end, struct socket *lesk) +void transferprepul(struct transfer *transfer, off_t size, off_t start, off_t end, struct socket *lesk) { transfersetsize(transfer, size); transfer->curpos = start; transfer->endpos = end; - lesk->ignread = 1; transfersetlocalend(transfer, lesk); } @@ -326,7 +322,7 @@ void transferstartul(struct transfer *transfer, struct socket *sk) transfersetstate(transfer, TRNS_MAIN); socksettos(sk, confgetint("transfer", "ultos")); if(transfer->localend != NULL) - transfer->localend->ignread = 0; + localread(transfer->localend, transfer); } void transfersetlocalend(struct transfer *transfer, struct socket *sk) @@ -334,9 +330,10 @@ void transfersetlocalend(struct transfer *transfer, struct socket *sk) if(transfer->localend != NULL) putsock(transfer->localend); getsock(transfer->localend = sk); - CBREG(sk, socket_read, (int (*)(struct socket *, void *))transferread, NULL, transfer); - CBREG(sk, socket_write, (int (*)(struct socket *, void *))transferwrite, NULL, transfer); - CBREG(sk, socket_err, (int (*)(struct socket *, int, void *))transfererr, NULL, transfer); + sk->data = transfer; + sk->readcb = (void (*)(struct socket *, void *))localread; + sk->writecb = (void (*)(struct socket *, void *))localwrite; + sk->errcb = (void (*)(struct socket *, int, void *))localerr; } static int tryreq(struct transfer *transfer) @@ -461,7 +458,7 @@ void transfersetnick(struct transfer *transfer, wchar_t *newnick) CBCHAINDOCB(transfer, trans_ac, transfer, L"nick"); } -void transfersetsize(struct transfer *transfer, int newsize) +void transfersetsize(struct transfer *transfer, off_t newsize) { transfer->size = newsize; CBCHAINDOCB(transfer, trans_ac, transfer, L"size"); @@ -512,15 +509,15 @@ static void killfilter(struct transfer *transfer) } if(transfer->localend) { - CBUNREG(transfer->localend, socket_read, transferread, transfer); - CBUNREG(transfer->localend, socket_write, transferwrite, transfer); - CBUNREG(transfer->localend, socket_err, transfererr, transfer); + transfer->localend->readcb = NULL; + transfer->localend->writecb = NULL; + transfer->localend->errcb = NULL; putsock(transfer->localend); transfer->localend = NULL; } if(transfer->filterout) { - CBUNREG(transfer->filterout, socket_read, filterread, transfer); + transfer->filterout->readcb = NULL; putsock(transfer->filterout); transfer->filterout = NULL; } @@ -532,58 +529,6 @@ static void killfilter(struct transfer *transfer) transfer->filterbufsize = transfer->filterbufdata = 0; } -static char *findfilter(struct passwd *pwd) -{ - char *path, *filtername; - - if((path = sprintf2("%s/.dcdl-filter", pwd->pw_dir)) != NULL) - { - if(!access(path, X_OK)) - return(path); - free(path); - } - if((filtername = icwcstombs(confgetstr("transfer", "filter"), NULL)) == NULL) - { - flog(LOG_WARNING, "could not convert filter name into local charset: %s", strerror(errno)); - } else { - if(strchr(filtername, '/') == NULL) - { - if((path = sprintf2("/etc/%s", filtername)) != NULL) - { - if(!access(path, X_OK)) - { - free(filtername); - return(path); - } - free(path); - } - if((path = sprintf2("/usr/etc/%s", filtername)) != NULL) - { - if(!access(path, X_OK)) - { - free(filtername); - return(path); - } - free(path); - } - if((path = sprintf2("/usr/local/etc/%s", filtername)) != NULL) - { - if(!access(path, X_OK)) - { - free(filtername); - return(path); - } - free(path); - } - } else { - if(!access(filtername, X_OK)) - return(filtername); - } - free(filtername); - } - return(NULL); -} - static void handletranscmd(struct transfer *transfer, wchar_t *cmd, wchar_t *arg) { if(!wcscmp(cmd, L"status")) { @@ -595,14 +540,14 @@ static void handletranscmd(struct transfer *transfer, wchar_t *cmd, wchar_t *arg } } -static int filterread(struct socket *sk, struct transfer *transfer) +static void filterread(struct socket *sk, struct transfer *transfer) { char *buf, *p, *p2; size_t bufsize; wchar_t *cmd, *arg; if((buf = sockgetinbuf(sk, &bufsize)) == NULL) - return(0); + return; bufcat(transfer->filterbuf, buf, bufsize); free(buf); while((p = memchr(transfer->filterbuf, '\n', transfer->filterbufdata)) != NULL) @@ -628,7 +573,6 @@ static int filterread(struct socket *sk, struct transfer *transfer) } memmove(transfer->filterbuf, p, transfer->filterbufdata -= (p - transfer->filterbuf)); } - return(0); } static void filterexit(pid_t pid, int status, void *data) @@ -658,7 +602,7 @@ static void filterexit(pid_t pid, int status, void *data) int forkfilter(struct transfer *transfer) { - char *filtername, *filename, *peerid, *buf; + char *filtername, *filename, *peerid, *buf, *p; wchar_t *wfilename; struct passwd *pwent; pid_t pid; @@ -669,9 +613,7 @@ int forkfilter(struct transfer *transfer) struct wcspair *ta; char *rec, *val; - wfilename = transfer->path; - if(transfer->fnet->filebasename != NULL) - wfilename = transfer->fnet->filebasename(wfilename); + wfilename = fnfilebasename(transfer->path); if(transfer->auth == NULL) { flog(LOG_WARNING, "tried to fork filter for transfer with NULL authhandle (tranfer %i)", transfer->id); @@ -684,7 +626,10 @@ int forkfilter(struct transfer *transfer) errno = EACCES; return(-1); } - if((filtername = findfilter(pwent)) == NULL) + filtername = findfile("dc-filter", pwent->pw_dir, 0); + if(filtername == NULL) + filtername = findfile(icswcstombs(confgetstr("transfer", "filter"), NULL, NULL), NULL, 0); + if(filtername == NULL) { flog(LOG_WARNING, "could not find filter for user %s", pwent->pw_name); errno = ENOENT; @@ -711,6 +656,12 @@ int forkfilter(struct transfer *transfer) peerid = sprintf2("utf8-%s", buf); free(buf); } + for(p = filename; *p; p++) { + if(*p == '/') + *p = '_'; + else if((p == filename) && (*p == '.')) + *p = '_'; + } if((pid = forksess(transfer->owner, transfer->auth, filterexit, NULL, FD_PIPE, 0, O_WRONLY, &inpipe, FD_PIPE, 1, O_RDONLY, &outpipe, FD_FILE, 2, O_RDWR, "/dev/null", FD_END)) < 0) { flog(LOG_WARNING, "could not fork session for filter for transfer %i: %s", transfer->id, strerror(errno)); @@ -720,7 +671,7 @@ int forkfilter(struct transfer *transfer) { argv = NULL; argvsize = argvdata = 0; - buf = sprintf2("%i", transfer->size); + buf = sprintf2("%ji", (intmax_t)transfer->size); addtobuf(argv, filtername); addtobuf(argv, filename); addtobuf(argv, buf); @@ -761,11 +712,12 @@ int forkfilter(struct transfer *transfer) * the fd, and thus it closes it. Until I can find out whyever the * kernel gives a POLLIN on the fd (if I can at all...), I'll just * set ignread on insock for now. */ - insock->ignread = 1; +/* sockblock(insock, 1); */ transfer->filter = pid; transfersetlocalend(transfer, insock); getsock(transfer->filterout = outsock); - CBREG(outsock, socket_read, (int (*)(struct socket *, void *))filterread, NULL, transfer); + outsock->data = transfer; + outsock->readcb = (void (*)(struct socket *, void *))filterread; putsock(insock); putsock(outsock); free(filtername); @@ -778,6 +730,7 @@ static int run(void) { struct transfer *transfer, *next; + /* for(transfer = transfers; transfer != NULL; transfer = transfer->next) { if((transfer->endpos >= 0) && (transfer->state == TRNS_MAIN) && (transfer->localend != NULL) && (transfer->localend->state == SOCK_EST) && (transfer->curpos >= transfer->endpos)) @@ -787,6 +740,7 @@ static int run(void) closesock(transfer->localend); } } + */ for(transfer = transfers; transfer != NULL; transfer = next) { next = transfer->next; @@ -802,10 +756,22 @@ static int run(void) static struct configvar myvars[] = { + /** The maximum number of simultaneously permitted uploads. A + * common hub rule is that you will need at least as many slots as + * the number of hubs to which you are connected. */ {CONF_VAR_INT, "slots", {.num = 3}}, + /** The TOS value to use for upload connections (see the TOS + * VALUES section). */ {CONF_VAR_INT, "ultos", {.num = SOCK_TOS_MAXTP}}, + /** The TOS value to use for download connections (see the TOS + * VALUES section). */ {CONF_VAR_INT, "dltos", {.num = SOCK_TOS_MAXTP}}, + /** The name of the filter script (see the FILES section for + * lookup information). */ {CONF_VAR_STRING, "filter", {.str = L"dc-filter"}}, + /** If true, only one upload is allowed per remote peer. This + * option is still experimental, so it is recommended to leave it + * off. */ {CONF_VAR_BOOL, "ulquota", {.num = 0}}, {CONF_VAR_END} };