Mercurial > dropbear
view tcp-connect.c @ 62:20563735e8b5
just checkpointing
author | Matt Johnston <matt@ucc.asn.au> |
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date | Tue, 10 Aug 2004 17:09:52 +0000 |
parents | |
children | dcc43965928f |
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#include "includes.h" #include "session.h" #include "dbutil.h" #include "channel.h" #include "tcp-connect.h" #include "runopts.h" #ifndef DISABLE_TCP_CONNECT /* Called upon creating a new direct tcp channel (ie we connect out to an * address */ int newtcpdirect(struct Channel * channel) { unsigned char* desthost = NULL; unsigned int destport; unsigned char* orighost = NULL; unsigned int origport; char portstring[6]; int sock; int len; int ret = DROPBEAR_FAILURE; if (opts.nolocaltcp) { TRACE(("leave newtcpdirect: local tcp forwarding disabled")); goto out; } desthost = buf_getstring(ses.payload, &len); if (len > MAX_HOST_LEN) { TRACE(("leave newtcpdirect: desthost too long")); goto out; } destport = buf_getint(ses.payload); orighost = buf_getstring(ses.payload, &len); if (len > MAX_HOST_LEN) { TRACE(("leave newtcpdirect: orighost too long")); goto out; } origport = buf_getint(ses.payload); /* best be sure */ if (origport > 65535 || destport > 65535) { TRACE(("leave newtcpdirect: port > 65535")); goto out; } snprintf(portstring, sizeof(portstring), "%d", destport); sock = connect_remote(desthost, portstring, 1, NULL); if (sock < 0) { TRACE(("leave newtcpdirect: sock failed")); goto out; } ses.maxfd = MAX(ses.maxfd, sock); /* Note that infd is actually the "outgoing" direction on the * tcp connection, vice versa for outfd. * We don't set outfd, that will get set after the connection's * progress succeeds */ channel->infd = sock; channel->initconn = 1; ret = DROPBEAR_SUCCESS; out: m_free(desthost); m_free(orighost); TRACE(("leave newtcpdirect: ret %d", ret)); return ret; } #endif /* DISABLE_TCPFWD_DIRECT */