#include "transfer.h"
#include "sysevents.h"
#include "net.h"
+#include "tiger.h"
/*
* The Direct Connect protocol is extremely ugly. Thus, this code must
#endif
#define PEER_CMD 0
-#define PEER_TRNS 1
-#define PEER_SYNC 2
+#define PEER_STOP 1
+#define PEER_TRNS 2
+#define PEER_SYNC 3
+#define PEER_TTHL 4
#define CPRS_NONE 0
#define CPRS_ZLIB 1
{
char *name;
void (*handler)(struct socket *sk, void *data, char *cmd, char *args);
+ int stop;
};
struct qcommand
struct fnetnode *fn;
char *inbuf;
size_t inbufdata, inbufsize;
+ size_t curread, totalsize;
int freeing;
struct qcommand *queue;
struct transfer *transfer;
int extended;
int direction; /* Using the constants from transfer.h */
int compress;
+ int hascurpos, notthl;
+ struct tigertreehash tth;
void *cprsdata;
- char *mbspath;
char *key;
char *nativename;
char **supports;
static void updatehmlist(void);
static void updatexmllist(void);
static void updatexmlbz2list(void);
+static void requestfile(struct dcpeer *peer);
static int reservedchar(unsigned char c)
{
return(key);
}
+static char *pathnmdc2adc(char *path)
+{
+ char *ret;
+ size_t retsize, retdata;
+
+ if(!strcmp(path, "files.xml") || !strcmp(path, "files.xml.bz2") || !strcmp(path, "MyList.DcLst"))
+ return(sstrdup(path));
+ ret = NULL;
+ retsize = retdata = 0;
+ addtobuf(ret, '/');
+ for(; *path; path++)
+ {
+ if(*path == '\\')
+ addtobuf(ret, '/');
+ else
+ addtobuf(ret, *path);
+ }
+ addtobuf(ret, 0);
+ return(ret);
+}
+
+static int isdchash(struct hash *hash)
+{
+ if(wcscmp(hash->algo, L"TTH"))
+ return(0);
+ if(hash->len != 24)
+ return(0);
+ return(1);
+}
+
+static int supports(struct dcpeer *peer, char *cap)
+{
+ char **p;
+
+ if(peer->supports == NULL)
+ return(0);
+ for(p = peer->supports; *p != NULL; p++)
+ {
+ if(!strcasecmp(*p, cap))
+ return(1);
+ }
+ return(0);
+}
+
static void endcompress(struct dcpeer *peer)
{
if(peer->compress == CPRS_ZLIB)
return(str);
}
+static char *getadcid(struct dcpeer *peer)
+{
+ char *buf;
+ char *ret;
+
+ if((peer->transfer->hash != NULL) && isdchash(peer->transfer->hash) && supports(peer, "tthf"))
+ {
+ buf = base32encode(peer->transfer->hash->buf, 24);
+ ret = sprintf2("TTH/%.39s", buf);
+ free(buf);
+ } else {
+ if((buf = icwcstombs(peer->transfer->path, "UTF-8")) == NULL)
+ return(NULL);
+ ret = pathnmdc2adc(buf);
+ free(buf);
+ }
+ return(ret);
+}
+
+
static int trresumecb(struct transfer *transfer, wchar_t *cmd, wchar_t *arg, struct dcpeer *peer)
{
if(!wcscmp(cmd, L"resume"))
freedcpeer(peer);
} else {
transfer->curpos = wcstol(arg, NULL, 10);
- qstrf(peer->sk, "$Get %s$%i|", peer->mbspath, transfer->curpos + 1);
+ peer->hascurpos = 1;
+ requestfile(peer);
}
- free(peer->mbspath);
- peer->mbspath = NULL;
return(1);
}
return(0);
}
-static void peerhandleaction(struct socket *sk, struct dcpeer *peer, char *cmd, char *args)
+static void sendmynick(struct dcpeer *peer)
{
struct dchub *hub;
- struct dcexppeer *expect;
- struct transfer *transfer;
- wchar_t tbuf[128];
- char *mbsbuf;
- hub = NULL;
- if(peer->fn != NULL)
+ hub = (peer->fn == NULL)?NULL:(peer->fn->data);
+ if(hub == NULL)
+ qstrf(peer->sk, "$MyNick %s|", icswcstombs(confgetstr("cli", "defnick"), DCCHARSET, "DoldaConnectUser-IN"));
+ else
+ qstrf(peer->sk, "$MyNick %s|", hub->nativenick);
+}
+
+static void sendpeerlock(struct dcpeer *peer)
+{
+#ifdef DCPP_MASQUERADE
+ qstrf(peer->sk, "$Lock EXTENDEDPROTOCOLABCABCABCABCABCABC Pk=DCPLUSPLUS0.674ABCABC|");
+#else
+ qstrf(peer->sk, "$Lock EXTENDEDPROTOCOLABCABCABCABCABCABC Pk=DOLDA%sABCABCABC|", VERSION);
+#endif
+}
+
+static void sendsupports(struct dcpeer *peer)
+{
+#ifdef DCPP_MASQUERADE
+ qstr(peer->sk, "$Supports MiniSlots XmlBZList ADCGet TTHL TTHF GetZBlock ZLIG |");
+#else
+ qstr(peer->sk, "$Supports MiniSlots XmlBZList ADCGet TTHL TTHF GetZBlock ZLIG|");
+#endif
+}
+
+static void requestfile(struct dcpeer *peer)
+{
+ char *buf;
+
+ if(peer->transfer->size == -1)
{
- if(peer->fn->fnet != &dcnet)
+ if((buf = icswcstombs(peer->transfer->path, DCCHARSET, NULL)) == NULL)
{
- peer->sk->close = 1;
+ transferseterror(peer->transfer, TRNSE_NOTFOUND);
+ freedcpeer(peer);
return;
}
- hub = peer->fn->data;
+ /* The transfer will be restarted later from
+ * cmd_filelength when it detects that the sizes
+ * don't match. */
+ qstrf(peer->sk, "$Get %s$1|", buf);
+ return;
}
- if(peer->transfer != NULL)
+ if((peer->transfer->hash == NULL) && !peer->notthl)
{
- swprintf(tbuf, 128, L"hs: dc-%s", cmd);
- transfersetactivity(peer->transfer, tbuf);
- }
- if(peer->accepted)
- {
- if(cmd == NULL) /* Connect event */
+ if(supports(peer, "adcget") && supports(peer, "tthl"))
{
- } else if(!strcmp(cmd, "$MyNick")) {
- for(expect = expected; expect != NULL; expect = expect->next)
- {
- if(!strcmp(expect->nick, args))
- break;
- }
- if(expect == NULL)
- {
- peer->fn = NULL;
- } else {
- peer->fn = expect->fn;
- getfnetnode(peer->fn);
- freeexppeer(expect);
- }
- } else if(!strcmp(cmd, "$Lock")) {
- if(peer->wcsname == NULL)
+ qstr(peer->sk, "$ADCGET");
+ sendadc(peer->sk, "tthl");
+ if((buf = getadcid(peer)) == NULL)
{
+ transferseterror(peer->transfer, TRNSE_NOTFOUND);
freedcpeer(peer);
return;
}
- if(hub == NULL)
- qstrf(sk, "$MyNick %s|", icswcstombs(confgetstr("cli", "defnick"), DCCHARSET, "DoldaConnectUser-IN"));
- else
- qstrf(sk, "$MyNick %s|", hub->nativenick);
-#ifdef DCPP_MASQUERADE
- qstrf(sk, "$Lock EXTENDEDPROTOCOLABCABCABCABCABCABC Pk=DCPLUSPLUS0.674ABCABC|");
-#else
- qstrf(sk, "$Lock EXTENDEDPROTOCOLABCABCABCABCABCABC Pk=DOLDA%sABCABCABC|", VERSION);
-#endif
- if(peer->extended)
- {
-#ifdef DCPP_MASQUERADE
- qstr(sk, "$Supports MiniSlots XmlBZList ADCGet TTHL TTHF GetZBlock ZLIG |");
-#else
- qstr(sk, "$Supports MiniSlots XmlBZList ADCGet TTHL TTHF GetZBlock ZLIG|");
-#endif
- }
- for(transfer = transfers; transfer != NULL; transfer = transfer->next)
- {
- if((transfer->dir == TRNSD_DOWN) && (transfer->iface == NULL) && !wcscmp(peer->wcsname, transfer->peerid))
- break;
- }
- if(transfer == NULL)
- {
- peer->direction = TRNSD_UP;
- transfer = newupload(peer->fn, &dcnet, peer->wcsname, &dctransfer, peer);
- transfersetnick(transfer, peer->wcsname);
- peer->transfer = transfer;
- } else {
- peer->direction = TRNSD_DOWN;
- peer->transfer = transfer;
- transferattach(transfer, &dctransfer, peer);
- transfersetnick(transfer, peer->wcsname);
- transfersetstate(transfer, TRNS_HS);
- }
- qstrf(sk, "$Direction %s %i|", (peer->direction == TRNSD_UP)?"Upload":"Download", rand() % 10000);
- if(peer->key != NULL)
- {
- /* I hate the DC protocol so much... */
- qstrf(sk, "$Key %s|", peer->key);
- free(peer->key);
- peer->key = NULL;
- }
- if(peer->direction == TRNSD_DOWN)
- {
- if((mbsbuf = icwcstombs(peer->transfer->path, DCCHARSET)) == NULL)
- {
- /* I believe that NOTFOUND should be used
- * since giving a path that cannot be
- * represented in the protocol's charset is
- * literally the same as giving a path that
- * the client doesn't have. */
- transferseterror(peer->transfer, TRNSE_NOTFOUND);
- freedcpeer(peer);
- return;
- }
- if(peer->transfer->size == -1)
- {
- /* The transfer will be restarted later from
- * cmd_filelength when it detects that the sizes
- * don't match. */
- qstrf(sk, "$Get %s$1|", mbsbuf);
- } else {
- if(forkfilter(transfer))
- {
- flog(LOG_WARNING, "could not fork filter for transfer %i: %s", transfer->id, strerror(errno));
- freedcpeer(peer);
- free(mbsbuf);
- return;
- }
- peer->mbspath = sstrdup(mbsbuf);
- CBREG(transfer, trans_filterout, (int (*)(struct transfer *, wchar_t *, wchar_t *, void *))trresumecb, NULL, peer);
- }
- free(mbsbuf);
- }
- } else if(!strcmp(cmd, "$FileLength")) {
- if(peer->transfer == NULL)
- {
- freedcpeer(peer);
- return;
- }
- transfersetstate(peer->transfer, TRNS_MAIN);
- socksettos(peer->sk, confgetint("transfer", "dltos"));
- peer->state = PEER_TRNS;
- peer->sk->readcb = (void (*)(struct socket *, void *))transread;
- peer->sk->errcb = (void (*)(struct socket *, int, void *))transerr;
- qstr(peer->sk, "$Send|");
+ sendadc(peer->sk, buf);
+ free(buf);
+ sendadc(peer->sk, "0");
+ sendadc(peer->sk, "-1");
+ qstr(peer->sk, "|");
+ return;
+ }
+ }
+ if(!peer->hascurpos)
+ {
+ if(forkfilter(peer->transfer))
+ {
+ flog(LOG_WARNING, "could not fork filter for transfer %i: %s", peer->transfer->id, strerror(errno));
+ freedcpeer(peer);
+ return;
+ }
+ CBREG(peer->transfer, trans_filterout, (int (*)(struct transfer *, wchar_t *, wchar_t *, void *))trresumecb, NULL, peer);
+ return;
+ }
+ if(supports(peer, "adcget"))
+ {
+ qstr(peer->sk, "$ADCGET");
+ sendadc(peer->sk, "file");
+ if((buf = getadcid(peer)) == NULL)
+ {
+ transferseterror(peer->transfer, TRNSE_NOTFOUND);
+ freedcpeer(peer);
+ return;
+ }
+ sendadc(peer->sk, buf);
+ free(buf);
+ sendadcf(peer->sk, "%i", peer->transfer->curpos);
+ sendadcf(peer->sk, "%i", peer->transfer->size - peer->transfer->curpos);
+ qstr(peer->sk, "|");
+ } else if(supports(peer, "xmlbzlist")) {
+ if((buf = icswcstombs(peer->transfer->path, "UTF-8", NULL)) == NULL)
+ {
+ transferseterror(peer->transfer, TRNSE_NOTFOUND);
+ freedcpeer(peer);
+ return;
}
+ qstrf(peer->sk, "$UGetBlock %i %i %s|", peer->transfer->curpos, peer->transfer->size - peer->transfer->curpos, buf);
} else {
- if(cmd == NULL) /* Connect event */
+ if((buf = icswcstombs(peer->transfer->path, DCCHARSET, NULL)) == NULL)
{
- if(hub == NULL)
- qstrf(sk, "$MyNick %s|", icswcstombs(confgetstr("cli", "defnick"), DCCHARSET, "DoldaConnectUser-IN"));
- else
- qstrf(sk, "$MyNick %s|", hub->nativenick);
-#ifdef DCPP_MASQUERADE
- qstrf(sk, "$Lock EXTENDEDPROTOCOLABCABCABCABCABCABC Pk=DCPLUSPLUS0.674ABCABC|");
-#else
- qstrf(sk, "$Lock EXTENDEDPROTOCOLABCABCABCABCABCABC Pk=DOLDA%sABCABCABC|", VERSION);
-#endif
- } else if(!strcmp(cmd, "$Direction")) {
- if(peer->wcsname == NULL)
- {
- freedcpeer(peer);
- return;
- }
- if(peer->direction == TRNSD_UP)
- {
- transfer = newupload(peer->fn, &dcnet, peer->wcsname, &dctransfer, peer);
- transfersetnick(transfer, peer->wcsname);
- peer->transfer = transfer;
- } else {
- for(transfer = transfers; transfer != NULL; transfer = transfer->next)
- {
- if((transfer->dir == TRNSD_DOWN) && (transfer->state == TRNS_WAITING) && !wcscmp(peer->wcsname, transfer->peerid))
- break;
- }
- if(transfer == NULL)
- {
- freedcpeer(peer);
- return;
- }
- peer->transfer = transfer;
- transferattach(transfer, &dctransfer, peer);
- transfersetnick(transfer, peer->wcsname);
- transfersetstate(transfer, TRNS_HS);
- }
- if(peer->extended)
- {
-#ifdef DCPP_MASQUERADE
- qstr(sk, "$Supports MiniSlots XmlBZList ADCGet TTHL TTHF GetZBlock ZLIG |");
-#else
- qstr(sk, "$Supports MiniSlots XmlBZList ADCGet TTHL TTHF GetZBlock ZLIG|");
-#endif
- }
- qstrf(sk, "$Direction %s %i|", (peer->direction == TRNSD_UP)?"Upload":"Download", rand() % 10000);
- if(peer->key != NULL)
- qstrf(sk, "$Key %s|", peer->key);
- if(peer->direction == TRNSD_DOWN)
- {
- if((mbsbuf = icwcstombs(peer->transfer->path, DCCHARSET)) == NULL)
- {
- /* I believe that NOTFOUND should be used
- * since giving a path that cannot be
- * represented in the protocol's charset is
- * literally the same as giving a path that
- * the client doesn't have. */
- transferseterror(peer->transfer, TRNSE_NOTFOUND);
- freedcpeer(peer);
- return;
- }
- if(peer->transfer->size == -1)
- {
- /* The transfer will be restarted later from
- * cmd_filelength when it detects that the sizes
- * don't match. */
- qstrf(sk, "$Get %s$1|", mbsbuf);
- } else {
- if(forkfilter(transfer))
- {
- flog(LOG_WARNING, "could not fork filter for transfer %i: %s", transfer->id, strerror(errno));
- freedcpeer(peer);
- free(mbsbuf);
- return;
- }
- peer->mbspath = sstrdup(mbsbuf);
- CBREG(transfer, trans_filterout, (int (*)(struct transfer *, wchar_t *, wchar_t *, void *))trresumecb, NULL, peer);
- }
- free(mbsbuf);
- }
- } else if(!strcmp(cmd, "$FileLength")) {
- if(peer->transfer == NULL)
- {
- freedcpeer(peer);
- return;
- }
- transfersetstate(peer->transfer, TRNS_MAIN);
- socksettos(peer->sk, confgetint("transfer", "dltos"));
- peer->state = PEER_TRNS;
- peer->sk->readcb = (void (*)(struct socket *, void *))transread;
- peer->sk->errcb = (void (*)(struct socket *, int, void *))transerr;
- qstr(peer->sk, "$Send|");
+ transferseterror(peer->transfer, TRNSE_NOTFOUND);
+ freedcpeer(peer);
+ return;
}
+ qstrf(peer->sk, "$Get %s$%i|", buf, peer->transfer->curpos + 1);
}
}
static void cmd_mynick(struct socket *sk, struct dcpeer *peer, char *cmd, char *args)
{
+ struct dcexppeer *expect;
+
if(peer->nativename != NULL)
free(peer->nativename);
peer->nativename = sstrdup(args);
freedcpeer(peer);
return;
}
- peerhandleaction(sk, peer, cmd, args);
+ if(peer->accepted)
+ {
+ for(expect = expected; expect != NULL; expect = expect->next)
+ {
+ if(!strcmp(expect->nick, args))
+ break;
+ }
+ if(expect == NULL)
+ {
+ peer->fn = NULL;
+ } else {
+ peer->fn = expect->fn;
+ getfnetnode(peer->fn);
+ freeexppeer(expect);
+ }
+ }
}
static void cmd_direction(struct socket *sk, struct dcpeer *peer, char *cmd, char *args)
{
char *p;
+ int mydir;
+ struct transfer *transfer;
if((p = strchr(args, ' ')) == NULL)
return;
*p = 0;
if(!strcmp(args, "Upload"))
- peer->direction = TRNSD_DOWN;
+ mydir = TRNSD_DOWN;
if(!strcmp(args, "Download"))
- peer->direction = TRNSD_UP;
- peerhandleaction(sk, peer, cmd, args);
+ mydir = TRNSD_UP;
+ if(peer->accepted)
+ {
+ if((peer->transfer == NULL) || (mydir != peer->direction))
+ {
+ freedcpeer(peer);
+ return;
+ }
+ requestfile(peer);
+ } else {
+ if(peer->wcsname == NULL)
+ {
+ freedcpeer(peer);
+ return;
+ }
+ peer->direction = mydir;
+ if(peer->direction == TRNSD_UP)
+ {
+ transfer = newupload(peer->fn, &dcnet, peer->wcsname, &dctransfer, peer);
+ } else {
+ if((transfer = finddownload(peer->wcsname)) == NULL)
+ {
+ freedcpeer(peer);
+ return;
+ }
+ transferattach(transfer, &dctransfer, peer);
+ transfersetstate(transfer, TRNS_HS);
+ }
+ transfersetnick(transfer, peer->wcsname);
+ peer->transfer = transfer;
+ if(peer->extended)
+ sendsupports(peer);
+ qstrf(sk, "$Direction %s %i|", (peer->direction == TRNSD_UP)?"Upload":"Download", rand() % 10000);
+ if(peer->key != NULL)
+ qstrf(sk, "$Key %s|", peer->key);
+ if(peer->direction == TRNSD_DOWN)
+ requestfile(peer);
+ }
}
static void cmd_peerlock(struct socket *sk, struct dcpeer *peer, char *cmd, char *args)
{
- char *p;
+ char *p, *key;
+ struct transfer *transfer;
if((p = strchr(args, ' ')) == NULL)
return;
*p = 0;
if(!strncmp(args, "EXTENDEDPROTOCOL", 16))
peer->extended = 1;
- if(peer->key != NULL)
- free(peer->key);
- peer->key = dcmakekey(args);
- peerhandleaction(sk, peer, cmd, args);
+ key = dcmakekey(args);
+ if(peer->accepted)
+ {
+ if(peer->wcsname == NULL)
+ {
+ freedcpeer(peer);
+ return;
+ }
+ sendmynick(peer);
+ sendpeerlock(peer);
+ if(peer->extended)
+ sendsupports(peer);
+ if((transfer = finddownload(peer->wcsname)) == NULL)
+ {
+ peer->direction = TRNSD_UP;
+ transfer = newupload(peer->fn, &dcnet, peer->wcsname, &dctransfer, peer);
+ } else {
+ peer->direction = TRNSD_DOWN;
+ transferattach(transfer, &dctransfer, peer);
+ transfersetstate(transfer, TRNS_HS);
+ }
+ transfersetnick(transfer, peer->wcsname);
+ peer->transfer = transfer;
+ qstrf(sk, "$Direction %s %i|", (peer->direction == TRNSD_UP)?"Upload":"Download", rand() % 10000);
+ qstrf(sk, "$Key %s|", key);
+ } else {
+ if(peer->key != NULL)
+ free(peer->key);
+ peer->key = key;
+ }
}
static void cmd_key(struct socket *sk, struct dcpeer *peer, char *cmd, char *args)
{
- peerhandleaction(sk, peer, cmd, args);
+ /* NOP */
+}
+
+static void startdl(struct dcpeer *peer)
+{
+ peer->state = PEER_TRNS;
+ transferstartdl(peer->transfer, peer->sk);
+ peer->sk->readcb = (void (*)(struct socket *, void *))transread;
+ peer->sk->errcb = (void (*)(struct socket *, int, void *))transerr;
+}
+
+static void startul(struct dcpeer *peer)
+{
+ peer->state = PEER_TRNS;
+ transferstartul(peer->transfer, peer->sk);
+ peer->sk->writecb = (void (*)(struct socket *, void *))transwrite;
}
static void cmd_filelength(struct socket *sk, struct dcpeer *peer, char *cmd, char *args)
return;
}
size = atoi(args);
- if(peer->transfer->size == size)
+ if(peer->transfer->size != size)
{
-
- } else {
- /* Will have to restart, then... I really hate this, but what
- * am I to do then, considering the DC protocol requires the
- * resume offset before it sends the filesize? */
transfersetsize(peer->transfer, size);
freedcpeer(peer);
return;
}
- peerhandleaction(sk, peer, cmd, args);
+ startdl(peer);
+ qstr(peer->sk, "$Send|");
}
static void cmd_error(struct socket *sk, struct dcpeer *peer, char *cmd, char *args)
transferprepul(peer->transfer, sb.st_size, offset, -1, lesk);
putsock(lesk);
qstrf(sk, "$FileLength %i|", peer->transfer->size);
- peerhandleaction(sk, peer, cmd, args);
-}
-
-static void starttrans(struct dcpeer *peer)
-{
- peer->state = PEER_TRNS;
- transferstartul(peer->transfer, peer->sk);
- peer->sk->writecb = (void (*)(struct socket *, void *))transwrite;
}
static void cmd_send(struct socket *sk, struct dcpeer *peer, char *cmd, char *args)
return;
}
peer->ptclose = 1;
- starttrans(peer);
- peerhandleaction(sk, peer, cmd, args);
+ startul(peer);
}
static void cmd_supports(struct socket *sk, struct dcpeer *peer, char *cmd, char *args)
} while((p = p2) != NULL);
addtobuf(arr, NULL);
peer->supports = arr;
- peerhandleaction(sk, peer, cmd, args);
}
static void cmd_getblock(struct socket *sk, struct dcpeer *peer, char *cmd, char *args)
transferprepul(peer->transfer, sb.st_size, start, start + numbytes, lesk);
putsock(lesk);
qstrf(sk, "$Sending %i|", numbytes);
- starttrans(peer);
- peerhandleaction(sk, peer, cmd, args);
+ startul(peer);
}
static void cmd_adcget(struct socket *sk, struct dcpeer *peer, char *cmd, char *args)
goto out;
}
} else {
- if((node = resdcpath(argv[1], "UTF-8", '/')) == NULL)
+ if((node = resdcpath((argv[1][0] == '/')?(argv[1] + 1):(argv[1]), "UTF-8", '/')) == NULL)
{
qstr(sk, "$Error File not in cache|");
goto out;
if(peer->compress == CPRS_ZLIB)
sendadc(sk, "ZL1");
qstr(sk, "|");
- starttrans(peer);
+ startul(peer);
} else if(!strcmp(argv[0], "tthl")) {
/*
* XXX: Implement full TTHL support.
qstr(sk, "$Error Namespace not implemented|");
goto out;
}
- peerhandleaction(sk, peer, cmd, args);
out:
if(fd >= 0)
freeparr(argv);
}
+static void handletthl(struct dcpeer *peer)
+{
+ char buf[24];
+
+ while(peer->inbufdata >= 24)
+ {
+ pushtigertree(&peer->tth, peer->inbuf);
+ memmove(peer->inbuf, peer->inbuf + 24, peer->inbufdata -= 24);
+ }
+ if((peer->curread += 24) >= peer->totalsize)
+ {
+ peer->state = PEER_CMD;
+ synctigertree(&peer->tth);
+ restigertree(&peer->tth, buf);
+ transfersethash(peer->transfer, newhash(L"TTH", 24, buf));
+ requestfile(peer);
+ }
+}
+
+static void cmd_adcsnd(struct socket *sk, struct dcpeer *peer, char *cmd, char *args)
+{
+ char **argv;
+ int start, numbytes;
+
+ if(peer->transfer == NULL)
+ {
+ freedcpeer(peer);
+ return;
+ }
+ if((argv = parseadc(args)) == NULL)
+ {
+ freedcpeer(peer);
+ return;
+ }
+ if(parrlen(argv) < 4)
+ {
+ freedcpeer(peer);
+ goto out;
+ }
+ start = atoi(argv[2]);
+ numbytes = atoi(argv[3]);
+ if(!strcmp(argv[0], "tthl"))
+ {
+ if((start != 0) || (numbytes % 24 != 0))
+ {
+ /* Weird. Bail out. */
+ freedcpeer(peer);
+ goto out;
+ }
+ peer->state = PEER_TTHL;
+ peer->totalsize = numbytes;
+ peer->curread = 0;
+ inittigertree(&peer->tth);
+ handletthl(peer);
+ } else if(!strcmp(argv[0], "file")) {
+ if(start != peer->transfer->curpos)
+ {
+ freedcpeer(peer);
+ goto out;
+ }
+ if(start + numbytes != peer->transfer->size)
+ {
+ transfersetsize(peer->transfer, start + numbytes);
+ freedcpeer(peer);
+ goto out;
+ }
+ startdl(peer);
+ } else {
+ /* We certainly didn't request this...*/
+ freedcpeer(peer);
+ goto out;
+ }
+
+ out:
+ freeparr(argv);
+}
+
+static void cmd_sending(struct socket *sk, struct dcpeer *peer, char *cmd, char *args)
+{
+ int numbytes;
+
+ if(peer->transfer == NULL)
+ {
+ freedcpeer(peer);
+ return;
+ }
+ numbytes = atoi(args);
+ if(peer->transfer->size - peer->transfer->curpos != numbytes)
+ {
+ transfersetsize(peer->transfer, peer->transfer->curpos + numbytes);
+ freedcpeer(peer);
+ return;
+ }
+ startdl(peer);
+}
+
/*
Hub skeleton:
static void cmd_(struct socket *sk, struct fnetnode *fn, char *cmd, char *args)
Peer skeleton:
static void cmd_(struct socket *sk, struct dcpeer *peer, char *cmd, char *args)
{
- peerhandleaction(sk, peer, cmd, args);
}
*/
{"$GetZBlock", cc(cmd_getblock)},
{"$UGetZBlock", cc(cmd_getblock)},
{"$ADCGET", cc(cmd_adcget)},
+ {"$ADCSND", cc(cmd_adcsnd), 1},
+ {"$Sending", cc(cmd_sending), 1},
{NULL, NULL}
};
#undef cc
free(peer->supports[i]);
free(peer->supports);
}
- if(peer->mbspath != NULL)
- free(peer->mbspath);
if(peer->inbuf != NULL)
free(peer->inbuf);
if(peer->key != NULL)
{
char *newbuf, *p;
size_t datalen;
+ struct command *cmd;
if((newbuf = sockgetinbuf(sk, &datalen)) == NULL)
return;
sizebuf2(peer->inbuf, peer->inbufdata + datalen, 1);
memcpy(peer->inbuf + peer->inbufdata, newbuf, datalen);
free(newbuf);
- p = peer->inbuf + peer->inbufdata;
peer->inbufdata += datalen;
- while((datalen > 0) && (p = memchr(p, '|', datalen)) != NULL)
+ if(peer->state == PEER_CMD)
{
- *(p++) = 0;
- newqcmd(&peer->queue, peer->inbuf);
- memmove(peer->inbuf, p, peer->inbufdata -= p - peer->inbuf);
- datalen = peer->inbufdata;
p = peer->inbuf;
+ while((peer->inbufdata > 0) && (p = memchr(peer->inbuf, '|', peer->inbufdata)) != NULL)
+ {
+ *(p++) = 0;
+ newqcmd(&peer->queue, peer->inbuf);
+ for(cmd = peercmds; cmd->handler != NULL; cmd++)
+ {
+ if(!memcmp(peer->inbuf, cmd->name, strlen(cmd->name)) && (peer->inbuf[strlen(cmd->name)] == 0))
+ break;
+ }
+ if(cmd->stop)
+ {
+ peer->state = PEER_STOP;
+ break;
+ }
+ memmove(peer->inbuf, p, peer->inbufdata -= p - peer->inbuf);
+ }
+ } else if(peer->state == PEER_TTHL) {
+ handletthl(peer);
}
}
sk->errcb = (void (*)(struct socket *, int, void *))peererror;
sk->data = peer;
socksettos(sk, confgetint("fnet", "fnptos"));
- peerhandleaction(sk, peer, NULL, NULL);
putsock(sk);
+ sendmynick(peer);
+ sendpeerlock(peer);
}
static void peeraccept(struct socket *sk, struct socket *newsk, void *data)
newsk->errcb = (void (*)(struct socket *, int, void *))peererror;
newsk->data = peer;
socksettos(newsk, confgetint("fnet", "fnptos"));
- peerhandleaction(sk, peer, NULL, NULL);
}
static void updatehmlist(void)
Dolda2000 GitWeb / doldaconnect.git / commitdiff