dropbear: svr-tcpfwd.c annotate

annotate svr-tcpfwd.c @ 1007:cbd674d63cd4 DROPBEAR_2015.67

changelog for 2015.67

author	Matt Johnston <matt@ucc.asn.au>
date	Wed, 28 Jan 2015 22:54:23 +0800
parents	5daedffd0769
children	4121ca987e6a

rev	line source
74 e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	1 /*
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	2 * Dropbear SSH
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	3 *
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	4 * Copyright (c) 2002,2003 Matt Johnston
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	5 * Copyright (c) 2004 by Mihnea Stoenescu
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	6 * All rights reserved.
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	7 *
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	8 * Permission is hereby granted, free of charge, to any person obtaining a copy
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	9 * of this software and associated documentation files (the "Software"), to deal
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	10 * in the Software without restriction, including without limitation the rights
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	12 * copies of the Software, and to permit persons to whom the Software is
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	13 * furnished to do so, subject to the following conditions:
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	14 *
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	15 * The above copyright notice and this permission notice shall be included in
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	16 * all copies or substantial portions of the Software.
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	17 *
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	24 * SOFTWARE. */
e3adf4cf5465 License boilerplate etc, add Mihnea as an author to some of the files Matt Johnston <matt@ucc.asn.au> parents: 70 diff changeset	25
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	26 #include "includes.h"
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	27 #include "ssh.h"
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	28 #include "tcpfwd.h"
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	29 #include "dbutil.h"
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	30 #include "session.h"
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	31 #include "buffer.h"
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	32 #include "packet.h"
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	33 #include "listener.h"
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	34 #include "runopts.h"
475 52a644e7b8e1 * Patch from Frédéric Moulins adding options to authorized_keys. Matt Johnston <matt@ucc.asn.au> parents: 410 diff changeset	35 #include "auth.h"
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	36
673 c519b78b6d1a - Don't sent SSH_MSG_UNIMPLEMENTED if we don't have ENABLE_SVR_REMOTETCPFWD Matt Johnston <matt@ucc.asn.au> parents: 620 diff changeset	37 #ifndef ENABLE_SVR_REMOTETCPFWD
c519b78b6d1a - Don't sent SSH_MSG_UNIMPLEMENTED if we don't have ENABLE_SVR_REMOTETCPFWD Matt Johnston <matt@ucc.asn.au> parents: 620 diff changeset	38
c519b78b6d1a - Don't sent SSH_MSG_UNIMPLEMENTED if we don't have ENABLE_SVR_REMOTETCPFWD Matt Johnston <matt@ucc.asn.au> parents: 620 diff changeset	39 /* This is better than SSH_MSG_UNIMPLEMENTED */
c519b78b6d1a - Don't sent SSH_MSG_UNIMPLEMENTED if we don't have ENABLE_SVR_REMOTETCPFWD Matt Johnston <matt@ucc.asn.au> parents: 620 diff changeset	40 void recv_msg_global_request_remotetcp() {
c519b78b6d1a - Don't sent SSH_MSG_UNIMPLEMENTED if we don't have ENABLE_SVR_REMOTETCPFWD Matt Johnston <matt@ucc.asn.au> parents: 620 diff changeset	41 TRACE(("recv_msg_global_request_remotetcp: remote tcp forwarding not compiled in"))
c519b78b6d1a - Don't sent SSH_MSG_UNIMPLEMENTED if we don't have ENABLE_SVR_REMOTETCPFWD Matt Johnston <matt@ucc.asn.au> parents: 620 diff changeset	42 send_msg_request_failure();
c519b78b6d1a - Don't sent SSH_MSG_UNIMPLEMENTED if we don't have ENABLE_SVR_REMOTETCPFWD Matt Johnston <matt@ucc.asn.au> parents: 620 diff changeset	43 }
c519b78b6d1a - Don't sent SSH_MSG_UNIMPLEMENTED if we don't have ENABLE_SVR_REMOTETCPFWD Matt Johnston <matt@ucc.asn.au> parents: 620 diff changeset	44
c519b78b6d1a - Don't sent SSH_MSG_UNIMPLEMENTED if we don't have ENABLE_SVR_REMOTETCPFWD Matt Johnston <matt@ucc.asn.au> parents: 620 diff changeset	45 /* */
c519b78b6d1a - Don't sent SSH_MSG_UNIMPLEMENTED if we don't have ENABLE_SVR_REMOTETCPFWD Matt Johnston <matt@ucc.asn.au> parents: 620 diff changeset	46 #endif /* !ENABLE_SVR_REMOTETCPFWD */
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	47
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	48 static int svr_cancelremotetcp();
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	49 static int svr_remotetcpreq();
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	50 static int newtcpdirect(struct Channel * channel);
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	51
673 c519b78b6d1a - Don't sent SSH_MSG_UNIMPLEMENTED if we don't have ENABLE_SVR_REMOTETCPFWD Matt Johnston <matt@ucc.asn.au> parents: 620 diff changeset	52 #ifdef ENABLE_SVR_REMOTETCPFWD
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	53 static const struct ChanType svr_chan_tcpremote = {
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	54 1, /* sepfds */
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	55 "forwarded-tcpip",
941 5daedffd0769 Set tcp priority as follows: Matt Johnston <matt@ucc.asn.au> parents: 937 diff changeset	56 tcp_prio_inithandler,
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	57 NULL,
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	58 NULL,
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	59 NULL
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	60 };
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	61
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	62 /* At the moment this is completely used for tcp code (with the name reflecting
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	63 * that). If new request types are added, this should be replaced with code
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	64 * similar to the request-switching in chansession.c */
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	65 void recv_msg_global_request_remotetcp() {
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	66
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	67 unsigned char* reqname = NULL;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	68 unsigned int namelen;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	69 unsigned int wantreply = 0;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	70 int ret = DROPBEAR_FAILURE;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	71
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 156 diff changeset	72 TRACE(("enter recv_msg_global_request_remotetcp"))
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	73
475 52a644e7b8e1 * Patch from Frédéric Moulins adding options to authorized_keys. Matt Johnston <matt@ucc.asn.au> parents: 410 diff changeset	74 if (svr_opts.noremotetcp \|\| !svr_pubkey_allows_tcpfwd()) {
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 156 diff changeset	75 TRACE(("leave recv_msg_global_request_remotetcp: remote tcp forwarding disabled"))
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	76 goto out;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	77 }
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	78
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	79 reqname = buf_getstring(ses.payload, &namelen);
179 161557a9dde8 * fix longstanding bug with connections being closed on failure to Matt Johnston <matt@ucc.asn.au> parents: 165 diff changeset	80 wantreply = buf_getbool(ses.payload);
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	81
267 7ce577234a10 * svr-tcpfwd.c: should be MAX_NAME_LEN not MAXNAMLEN Matt Johnston <matt@ucc.asn.au> parents: 259 diff changeset	82 if (namelen > MAX_NAME_LEN) {
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 156 diff changeset	83 TRACE(("name len is wrong: %d", namelen))
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	84 goto out;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	85 }
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	86
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	87 if (strcmp("tcpip-forward", reqname) == 0) {
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	88 ret = svr_remotetcpreq();
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	89 } else if (strcmp("cancel-tcpip-forward", reqname) == 0) {
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	90 ret = svr_cancelremotetcp();
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	91 } else {
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 156 diff changeset	92 TRACE(("reqname isn't tcpip-forward: '%s'", reqname))
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	93 }
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	94
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	95 out:
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	96 if (wantreply) {
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	97 if (ret == DROPBEAR_SUCCESS) {
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	98 send_msg_request_success();
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	99 } else {
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	100 send_msg_request_failure();
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	101 }
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	102 }
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	103
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	104 m_free(reqname);
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	105
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 156 diff changeset	106 TRACE(("leave recv_msg_global_request"))
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	107 }
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	108
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	109 static int matchtcp(void* typedata1, void* typedata2) {
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	110
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	111 const struct TCPListener info1 = (struct TCPListener)typedata1;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	112 const struct TCPListener info2 = (struct TCPListener)typedata2;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	113
258 306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local Matt Johnston <matt@ucc.asn.au> parents: 253 diff changeset	114 return (info1->listenport == info2->listenport)
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	115 && (info1->chantype == info2->chantype)
258 306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local Matt Johnston <matt@ucc.asn.au> parents: 253 diff changeset	116 && (strcmp(info1->listenaddr, info2->listenaddr) == 0);
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	117 }
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	118
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	119 static int svr_cancelremotetcp() {
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	120
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	121 int ret = DROPBEAR_FAILURE;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	122 unsigned char * bindaddr = NULL;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	123 unsigned int addrlen;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	124 unsigned int port;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	125 struct Listener * listener = NULL;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	126 struct TCPListener tcpinfo;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	127
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 156 diff changeset	128 TRACE(("enter cancelremotetcp"))
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	129
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	130 bindaddr = buf_getstring(ses.payload, &addrlen);
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	131 if (addrlen > MAX_IP_LEN) {
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 156 diff changeset	132 TRACE(("addr len too long: %d", addrlen))
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	133 goto out;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	134 }
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	135
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	136 port = buf_getint(ses.payload);
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	137
258 306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local Matt Johnston <matt@ucc.asn.au> parents: 253 diff changeset	138 tcpinfo.sendaddr = NULL;
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local Matt Johnston <matt@ucc.asn.au> parents: 253 diff changeset	139 tcpinfo.sendport = 0;
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local Matt Johnston <matt@ucc.asn.au> parents: 253 diff changeset	140 tcpinfo.listenaddr = bindaddr;
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local Matt Johnston <matt@ucc.asn.au> parents: 253 diff changeset	141 tcpinfo.listenport = port;
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	142 listener = get_listener(CHANNEL_ID_TCPFORWARDED, &tcpinfo, matchtcp);
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	143 if (listener) {
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	144 remove_listener( listener );
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	145 ret = DROPBEAR_SUCCESS;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	146 }
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	147
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	148 out:
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	149 m_free(bindaddr);
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 156 diff changeset	150 TRACE(("leave cancelremotetcp"))
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	151 return ret;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	152 }
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	153
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	154 static int svr_remotetcpreq() {
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	155
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	156 int ret = DROPBEAR_FAILURE;
675 dfdb9d9189ff Server shouldn't return "localhost" in response to -R forward connections Matt Johnston <matt@ucc.asn.au> parents: 673 diff changeset	157 unsigned char * request_addr = NULL;
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	158 unsigned int addrlen;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	159 struct TCPListener *tcpinfo = NULL;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	160 unsigned int port;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	161
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 156 diff changeset	162 TRACE(("enter remotetcpreq"))
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	163
675 dfdb9d9189ff Server shouldn't return "localhost" in response to -R forward connections Matt Johnston <matt@ucc.asn.au> parents: 673 diff changeset	164 request_addr = buf_getstring(ses.payload, &addrlen);
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	165 if (addrlen > MAX_IP_LEN) {
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 156 diff changeset	166 TRACE(("addr len too long: %d", addrlen))
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	167 goto out;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	168 }
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	169
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	170 port = buf_getint(ses.payload);
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	171
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	172 if (port == 0) {
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	173 dropbear_log(LOG_INFO, "Server chosen tcpfwd ports are unsupported");
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	174 goto out;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	175 }
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	176
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	177 if (port < 1 \|\| port > 65535) {
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 156 diff changeset	178 TRACE(("invalid port: %d", port))
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	179 goto out;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	180 }
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	181
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	182 if (!ses.allowprivport && port < IPPORT_RESERVED) {
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 156 diff changeset	183 TRACE(("can't assign port < 1024 for non-root"))
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	184 goto out;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	185 }
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	186
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	187 tcpinfo = (struct TCPListener*)m_malloc(sizeof(struct TCPListener));
258 306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local Matt Johnston <matt@ucc.asn.au> parents: 253 diff changeset	188 tcpinfo->sendaddr = NULL;
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local Matt Johnston <matt@ucc.asn.au> parents: 253 diff changeset	189 tcpinfo->sendport = 0;
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	190 tcpinfo->listenport = port;
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	191 tcpinfo->chantype = &svr_chan_tcpremote;
259 c049490e43fe * fix -L forwarding on the client, broke last rev Matt Johnston <matt@ucc.asn.au> parents: 258 diff changeset	192 tcpinfo->tcp_type = forwarded;
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	193
675 dfdb9d9189ff Server shouldn't return "localhost" in response to -R forward connections Matt Johnston <matt@ucc.asn.au> parents: 673 diff changeset	194 tcpinfo->request_listenaddr = request_addr;
dfdb9d9189ff Server shouldn't return "localhost" in response to -R forward connections Matt Johnston <matt@ucc.asn.au> parents: 673 diff changeset	195 if (!opts.listen_fwd_all \|\| (strcmp(request_addr, "localhost") == 0) ) {
857 c19acba28590 use oldstyle comments Matt Johnston <matt@ucc.asn.au> parents: 675 diff changeset	196 /* NULL means "localhost only" */
675 dfdb9d9189ff Server shouldn't return "localhost" in response to -R forward connections Matt Johnston <matt@ucc.asn.au> parents: 673 diff changeset	197 tcpinfo->listenaddr = NULL;
577 69e98c45db7c - Progress for allowing specifying a listenaddr for tcp forwards Matt Johnston <matt@ucc.asn.au> parents: 475 diff changeset	198 }
675 dfdb9d9189ff Server shouldn't return "localhost" in response to -R forward connections Matt Johnston <matt@ucc.asn.au> parents: 673 diff changeset	199 else
dfdb9d9189ff Server shouldn't return "localhost" in response to -R forward connections Matt Johnston <matt@ucc.asn.au> parents: 673 diff changeset	200 {
dfdb9d9189ff Server shouldn't return "localhost" in response to -R forward connections Matt Johnston <matt@ucc.asn.au> parents: 673 diff changeset	201 tcpinfo->listenaddr = request_addr;
dfdb9d9189ff Server shouldn't return "localhost" in response to -R forward connections Matt Johnston <matt@ucc.asn.au> parents: 673 diff changeset	202 }
577 69e98c45db7c - Progress for allowing specifying a listenaddr for tcp forwards Matt Johnston <matt@ucc.asn.au> parents: 475 diff changeset	203
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	204 ret = listen_tcpfwd(tcpinfo);
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	205
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	206 out:
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	207 if (ret == DROPBEAR_FAILURE) {
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	208 /* we only free it if a listener wasn't created, since the listener
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	209 * has to remember it if it's to be cancelled */
675 dfdb9d9189ff Server shouldn't return "localhost" in response to -R forward connections Matt Johnston <matt@ucc.asn.au> parents: 673 diff changeset	210 m_free(request_addr);
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	211 m_free(tcpinfo);
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	212 }
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 156 diff changeset	213 TRACE(("leave remotetcpreq"))
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	214 return ret;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	215 }
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	216
673 c519b78b6d1a - Don't sent SSH_MSG_UNIMPLEMENTED if we don't have ENABLE_SVR_REMOTETCPFWD Matt Johnston <matt@ucc.asn.au> parents: 620 diff changeset	217 #endif /* ENABLE_SVR_REMOTETCPFWD */
c519b78b6d1a - Don't sent SSH_MSG_UNIMPLEMENTED if we don't have ENABLE_SVR_REMOTETCPFWD Matt Johnston <matt@ucc.asn.au> parents: 620 diff changeset	218
c519b78b6d1a - Don't sent SSH_MSG_UNIMPLEMENTED if we don't have ENABLE_SVR_REMOTETCPFWD Matt Johnston <matt@ucc.asn.au> parents: 620 diff changeset	219 #ifdef ENABLE_SVR_LOCALTCPFWD
c519b78b6d1a - Don't sent SSH_MSG_UNIMPLEMENTED if we don't have ENABLE_SVR_REMOTETCPFWD Matt Johnston <matt@ucc.asn.au> parents: 620 diff changeset	220
c519b78b6d1a - Don't sent SSH_MSG_UNIMPLEMENTED if we don't have ENABLE_SVR_REMOTETCPFWD Matt Johnston <matt@ucc.asn.au> parents: 620 diff changeset	221 const struct ChanType svr_chan_tcpdirect = {
c519b78b6d1a - Don't sent SSH_MSG_UNIMPLEMENTED if we don't have ENABLE_SVR_REMOTETCPFWD Matt Johnston <matt@ucc.asn.au> parents: 620 diff changeset	222 1, /* sepfds */
c519b78b6d1a - Don't sent SSH_MSG_UNIMPLEMENTED if we don't have ENABLE_SVR_REMOTETCPFWD Matt Johnston <matt@ucc.asn.au> parents: 620 diff changeset	223 "direct-tcpip",
c519b78b6d1a - Don't sent SSH_MSG_UNIMPLEMENTED if we don't have ENABLE_SVR_REMOTETCPFWD Matt Johnston <matt@ucc.asn.au> parents: 620 diff changeset	224 newtcpdirect, /* init */
c519b78b6d1a - Don't sent SSH_MSG_UNIMPLEMENTED if we don't have ENABLE_SVR_REMOTETCPFWD Matt Johnston <matt@ucc.asn.au> parents: 620 diff changeset	225 NULL, /* checkclose */
c519b78b6d1a - Don't sent SSH_MSG_UNIMPLEMENTED if we don't have ENABLE_SVR_REMOTETCPFWD Matt Johnston <matt@ucc.asn.au> parents: 620 diff changeset	226 NULL, /* reqhandler */
c519b78b6d1a - Don't sent SSH_MSG_UNIMPLEMENTED if we don't have ENABLE_SVR_REMOTETCPFWD Matt Johnston <matt@ucc.asn.au> parents: 620 diff changeset	227 NULL /* closehandler */
c519b78b6d1a - Don't sent SSH_MSG_UNIMPLEMENTED if we don't have ENABLE_SVR_REMOTETCPFWD Matt Johnston <matt@ucc.asn.au> parents: 620 diff changeset	228 };
c519b78b6d1a - Don't sent SSH_MSG_UNIMPLEMENTED if we don't have ENABLE_SVR_REMOTETCPFWD Matt Johnston <matt@ucc.asn.au> parents: 620 diff changeset	229
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	230 /* Called upon creating a new direct tcp channel (ie we connect out to an
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	231 * address */
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	232 static int newtcpdirect(struct Channel * channel) {
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	233
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	234 unsigned char* desthost = NULL;
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	235 unsigned int destport;
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	236 unsigned char* orighost = NULL;
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	237 unsigned int origport;
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	238 char portstring[NI_MAXSERV];
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	239 int sock;
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	240 int len;
70 b0316ce64e4b Merging in the changes from 0.41-0.43 main Dropbear tree Matt Johnston <matt@ucc.asn.au> parents: 64 diff changeset	241 int err = SSH_OPEN_ADMINISTRATIVELY_PROHIBITED;
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	242
941 5daedffd0769 Set tcp priority as follows: Matt Johnston <matt@ucc.asn.au> parents: 937 diff changeset	243 TRACE(("newtcpdirect channel %d", channel->index))
5daedffd0769 Set tcp priority as follows: Matt Johnston <matt@ucc.asn.au> parents: 937 diff changeset	244
475 52a644e7b8e1 * Patch from Frédéric Moulins adding options to authorized_keys. Matt Johnston <matt@ucc.asn.au> parents: 410 diff changeset	245 if (svr_opts.nolocaltcp \|\| !svr_pubkey_allows_tcpfwd()) {
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 156 diff changeset	246 TRACE(("leave newtcpdirect: local tcp forwarding disabled"))
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	247 goto out;
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	248 }
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	249
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	250 desthost = buf_getstring(ses.payload, &len);
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	251 if (len > MAX_HOST_LEN) {
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 156 diff changeset	252 TRACE(("leave newtcpdirect: desthost too long"))
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	253 goto out;
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	254 }
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	255
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	256 destport = buf_getint(ses.payload);
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	257
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	258 orighost = buf_getstring(ses.payload, &len);
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	259 if (len > MAX_HOST_LEN) {
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 156 diff changeset	260 TRACE(("leave newtcpdirect: orighost too long"))
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	261 goto out;
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	262 }
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	263
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	264 origport = buf_getint(ses.payload);
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	265
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	266 /* best be sure */
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	267 if (origport > 65535 \|\| destport > 65535) {
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 156 diff changeset	268 TRACE(("leave newtcpdirect: port > 65535"))
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	269 goto out;
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	270 }
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	271
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	272 snprintf(portstring, sizeof(portstring), "%d", destport);
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	273 sock = connect_remote(desthost, portstring, 1, NULL);
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	274 if (sock < 0) {
70 b0316ce64e4b Merging in the changes from 0.41-0.43 main Dropbear tree Matt Johnston <matt@ucc.asn.au> parents: 64 diff changeset	275 err = SSH_OPEN_CONNECT_FAILED;
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 156 diff changeset	276 TRACE(("leave newtcpdirect: sock failed"))
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	277 goto out;
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	278 }
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	279
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	280 ses.maxfd = MAX(ses.maxfd, sock);
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	281
253 84925eceeb13 * rename infd/outfd to writefd/readfd, to avoid confusion Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	282 /* We don't set readfd, that will get set after the connection's
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	283 * progress succeeds */
253 84925eceeb13 * rename infd/outfd to writefd/readfd, to avoid confusion Matt Johnston <matt@ucc.asn.au> parents: 179 diff changeset	284 channel->writefd = sock;
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	285 channel->initconn = 1;
941 5daedffd0769 Set tcp priority as follows: Matt Johnston <matt@ucc.asn.au> parents: 937 diff changeset	286
5daedffd0769 Set tcp priority as follows: Matt Johnston <matt@ucc.asn.au> parents: 937 diff changeset	287 channel->prio = DROPBEAR_CHANNEL_PRIO_UNKNOWABLE;
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	288
70 b0316ce64e4b Merging in the changes from 0.41-0.43 main Dropbear tree Matt Johnston <matt@ucc.asn.au> parents: 64 diff changeset	289 err = SSH_OPEN_IN_PROGRESS;
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	290
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	291 out:
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	292 m_free(desthost);
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	293 m_free(orighost);
165 0cfba3034be5 Fixed DEBUG_TRACE macro so that we don't get semicolons left about the place Matt Johnston <matt@ucc.asn.au> parents: 156 diff changeset	294 TRACE(("leave newtcpdirect: err %d", err))
70 b0316ce64e4b Merging in the changes from 0.41-0.43 main Dropbear tree Matt Johnston <matt@ucc.asn.au> parents: 64 diff changeset	295 return err;
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	296 }
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	297
673 c519b78b6d1a - Don't sent SSH_MSG_UNIMPLEMENTED if we don't have ENABLE_SVR_REMOTETCPFWD Matt Johnston <matt@ucc.asn.au> parents: 620 diff changeset	298 #endif /* ENABLE_SVR_LOCALTCPFWD */

Mercurial > dropbear

annotate svr-tcpfwd.c @ 1007:cbd674d63cd4 DROPBEAR_2015.67