dropbear: svr-tcpfwd.c annotate

annotate svr-tcpfwd.c @ 1937:334b742fdeb8

Fix -q to hide the banner Got lost merging the DEBUG/TRACE level patch

author	Matt Johnston <matt@ucc.asn.au>
date	Fri, 01 Apr 2022 14:33:27 +0800
parents	1d86a58fb52d
children

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"
1032 0da8ba489c23 Move generic network routines to netio.c Matt Johnston <matt@ucc.asn.au> parents: 1025 diff changeset	36 #include "netio.h"
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	37
1499 2d450c1056e3 options: Complete the transition to numeric toggles (`#if') Michael Witten <mfwitten@gmail.com> parents: 1466 diff changeset	38 #if !DROPBEAR_SVR_REMOTETCPFWD
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	39
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 /* 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	41 void recv_msg_global_request_remotetcp() {
1788 1fc0012b9c38 Fix handling of replies to global requests (#112) Dirkjan Bussink <d.bussink@gmail.com> parents: 1785 diff changeset	42 unsigned int wantreply = 0;
1fc0012b9c38 Fix handling of replies to global requests (#112) Dirkjan Bussink <d.bussink@gmail.com> parents: 1785 diff changeset	43
1fc0012b9c38 Fix handling of replies to global requests (#112) Dirkjan Bussink <d.bussink@gmail.com> parents: 1785 diff changeset	44 TRACE(("recv_msg_global_request_remotetcp: remote tcp forwarding not compiled in"))
1fc0012b9c38 Fix handling of replies to global requests (#112) Dirkjan Bussink <d.bussink@gmail.com> parents: 1785 diff changeset	45
1789 249681d9ecda Use buf_eatstring instead Matt Johnston <matt@ucc.asn.au> parents: 1788 diff changeset	46 buf_eatstring(ses.payload);
1788 1fc0012b9c38 Fix handling of replies to global requests (#112) Dirkjan Bussink <d.bussink@gmail.com> parents: 1785 diff changeset	47 wantreply = buf_getbool(ses.payload);
1fc0012b9c38 Fix handling of replies to global requests (#112) Dirkjan Bussink <d.bussink@gmail.com> parents: 1785 diff changeset	48 if (wantreply) {
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	49 send_msg_request_failure();
1788 1fc0012b9c38 Fix handling of replies to global requests (#112) Dirkjan Bussink <d.bussink@gmail.com> parents: 1785 diff changeset	50 }
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	51 }
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
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	53 /* */
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1276 diff changeset	54 #endif /* !DROPBEAR_SVR_REMOTETCPFWD */
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	55
1276 9169e4e7cbee fix empty C prototypes Francois Perrad <francois.perrad@gadz.org> parents: 1251 diff changeset	56 static int svr_cancelremotetcp(void);
1464 ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	57 static int svr_remotetcpreq(int *allocated_listen_port);
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	58 static int newtcpdirect(struct Channel * channel);
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	59
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1276 diff changeset	60 #if DROPBEAR_SVR_REMOTETCPFWD
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	61 static const struct ChanType svr_chan_tcpremote = {
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	62 "forwarded-tcpip",
1859 1d86a58fb52d Leave non-interactive at default QoS class Matt Johnston <matt@ucc.asn.au> parents: 1829 diff changeset	63 NULL,
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	64 NULL,
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	65 NULL,
1627 9b02c49bd396 add missing initializer (#71) François Perrad <francois.perrad@gadz.org> parents: 1625 diff changeset	66 NULL,
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	67 NULL
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	68 };
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	69
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	70 /* 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	71 * 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	72 * similar to the request-switching in chansession.c */
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	73 void recv_msg_global_request_remotetcp() {
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	74
1114 db7963049308 Turn many local variables into char * Gaël PORTAY <gael.portay@gmail.com> parents: 1094 diff changeset	75 char* reqname = NULL;
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	76 unsigned int namelen;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	77 unsigned int wantreply = 0;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	78 int ret = DROPBEAR_FAILURE;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	79
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	80 TRACE(("enter recv_msg_global_request_remotetcp"))
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	81
475 52a644e7b8e1 * Patch from Frédéric Moulins adding options to authorized_keys. Matt Johnston <matt@ucc.asn.au> parents: 410 diff changeset	82 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	83 TRACE(("leave recv_msg_global_request_remotetcp: remote tcp forwarding disabled"))
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
1122 aaf576b27a10 Merge pull request #13 from gazoo74/fix-warnings Matt Johnston <matt@ucc.asn.au> parents: 1114 diff changeset	87 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	88 wantreply = buf_getbool(ses.payload);
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	89
267 7ce577234a10 * svr-tcpfwd.c: should be MAX_NAME_LEN not MAXNAMLEN Matt Johnston <matt@ucc.asn.au> parents: 259 diff changeset	90 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	91 TRACE(("name len is wrong: %d", namelen))
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	92 goto out;
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 if (strcmp("tcpip-forward", reqname) == 0) {
1547 2c902644036d avoid warning about port Matt Johnston <matt@ucc.asn.au> parents: 1541 diff changeset	96 int allocated_listen_port = 0;
1464 ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	97 ret = svr_remotetcpreq(&allocated_listen_port);
ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	98 /* client expects-port-number-to-make-use-of-server-allocated-ports */
ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	99 if (DROPBEAR_SUCCESS == ret) {
ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	100 CHECKCLEARTOWRITE();
ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	101 buf_putbyte(ses.writepayload, SSH_MSG_REQUEST_SUCCESS);
ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	102 buf_putint(ses.writepayload, allocated_listen_port);
ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	103 encrypt_packet();
1541 bb55dffab5ba don't log server listen ports Matt Johnston <matt@ucc.asn.au> parents: 1502 diff changeset	104 wantreply = 0; /* avoid out: below sending another reply */
1502 73aa542e76fe fix indentation Francois Perrad <francois.perrad@gadz.org> parents: 1499 diff changeset	105 }
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	106 } else if (strcmp("cancel-tcpip-forward", reqname) == 0) {
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	107 ret = svr_cancelremotetcp();
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	108 } 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	109 TRACE(("reqname isn't tcpip-forward: '%s'", reqname))
62 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
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	112 out:
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	113 if (wantreply) {
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	114 if (ret == DROPBEAR_SUCCESS) {
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	115 send_msg_request_success();
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	116 } else {
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	117 send_msg_request_failure();
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 }
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 m_free(reqname);
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	122
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	123 TRACE(("leave recv_msg_global_request"))
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	124 }
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	125
1460 58a74cb829b8 Pointer parameter could be declared as pointing to const (callback) Francois Perrad <francois.perrad@gadz.org> parents: 1342 diff changeset	126 static int matchtcp(const void* typedata1, const void* typedata2) {
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	127
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	128 const struct TCPListener info1 = (struct TCPListener)typedata1;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	129 const struct TCPListener info2 = (struct TCPListener)typedata2;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	130
258 306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local Matt Johnston <matt@ucc.asn.au> parents: 253 diff changeset	131 return (info1->listenport == info2->listenport)
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	132 && (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	133 && (strcmp(info1->listenaddr, info2->listenaddr) == 0);
62 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 static int svr_cancelremotetcp() {
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	137
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	138 int ret = DROPBEAR_FAILURE;
1114 db7963049308 Turn many local variables into char * Gaël PORTAY <gael.portay@gmail.com> parents: 1094 diff changeset	139 char * bindaddr = NULL;
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	140 unsigned int addrlen;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	141 unsigned int port;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	142 struct Listener * listener = NULL;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	143 struct TCPListener tcpinfo;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	144
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	145 TRACE(("enter cancelremotetcp"))
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	146
1122 aaf576b27a10 Merge pull request #13 from gazoo74/fix-warnings Matt Johnston <matt@ucc.asn.au> parents: 1114 diff changeset	147 bindaddr = buf_getstring(ses.payload, &addrlen);
1815 5015c80808c5 Use MAX_HOST_LEN for TCP forwarding requests (#121) ValdikSS <iam@valdikss.org.ru> parents: 1789 diff changeset	148 if (addrlen > 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	149 TRACE(("addr len too long: %d", addrlen))
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	150 goto out;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	151 }
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 port = buf_getint(ses.payload);
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	154
258 306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local Matt Johnston <matt@ucc.asn.au> parents: 253 diff changeset	155 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	156 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	157 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	158 tcpinfo.listenport = port;
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	159 listener = get_listener(CHANNEL_ID_TCPFORWARDED, &tcpinfo, matchtcp);
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	160 if (listener) {
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	161 remove_listener( listener );
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	162 ret = DROPBEAR_SUCCESS;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	163 }
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	164
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	165 out:
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	166 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	167 TRACE(("leave cancelremotetcp"))
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	168 return ret;
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
1464 ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	171 static int svr_remotetcpreq(int *allocated_listen_port) {
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	172
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	173 int ret = DROPBEAR_FAILURE;
1114 db7963049308 Turn many local variables into char * Gaël PORTAY <gael.portay@gmail.com> parents: 1094 diff changeset	174 char * request_addr = NULL;
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	175 unsigned int addrlen;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	176 struct TCPListener *tcpinfo = NULL;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	177 unsigned int port;
1620 572a7aefa188 FIx remote forward listeners Matt Johnston <matt@ucc.asn.au> parents: 1547 diff changeset	178 struct Listener *listener = NULL;
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	179
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	180 TRACE(("enter remotetcpreq"))
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	181
1122 aaf576b27a10 Merge pull request #13 from gazoo74/fix-warnings Matt Johnston <matt@ucc.asn.au> parents: 1114 diff changeset	182 request_addr = buf_getstring(ses.payload, &addrlen);
1815 5015c80808c5 Use MAX_HOST_LEN for TCP forwarding requests (#121) ValdikSS <iam@valdikss.org.ru> parents: 1789 diff changeset	183 if (addrlen > 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	184 TRACE(("addr len too long: %d", addrlen))
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	185 goto out;
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
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	188 port = buf_getint(ses.payload);
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	189
1464 ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	190 if (port != 0) {
ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	191 if (port < 1 \|\| port > 65535) {
ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	192 TRACE(("invalid port: %d", port))
ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	193 goto out;
ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	194 }
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	195
1464 ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	196 if (!ses.allowprivport && port < IPPORT_RESERVED) {
ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	197 TRACE(("can't assign port < 1024 for non-root"))
ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	198 goto out;
ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	199 }
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	200 }
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	201
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	202 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	203 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	204 tcpinfo->sendport = 0;
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	205 tcpinfo->listenport = port;
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	206 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	207 tcpinfo->tcp_type = forwarded;
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	208
675 dfdb9d9189ff Server shouldn't return "localhost" in response to -R forward connections Matt Johnston <matt@ucc.asn.au> parents: 673 diff changeset	209 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	210 if (!opts.listen_fwd_all \|\| (strcmp(request_addr, "localhost") == 0) ) {
1250 2bb4c662d1c2 more hard tab Francois Perrad <francois.perrad@gadz.org> parents: 1122 diff changeset	211 /* 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	212 tcpinfo->listenaddr = NULL;
577 69e98c45db7c - Progress for allowing specifying a listenaddr for tcp forwards Matt Johnston <matt@ucc.asn.au> parents: 475 diff changeset	213 }
675 dfdb9d9189ff Server shouldn't return "localhost" in response to -R forward connections Matt Johnston <matt@ucc.asn.au> parents: 673 diff changeset	214 else
dfdb9d9189ff Server shouldn't return "localhost" in response to -R forward connections Matt Johnston <matt@ucc.asn.au> parents: 673 diff changeset	215 {
1334 c8114a48837c listenaddr must be malloced Matt Johnston <matt@ucc.asn.au> parents: 1276 diff changeset	216 tcpinfo->listenaddr = m_strdup(request_addr);
675 dfdb9d9189ff Server shouldn't return "localhost" in response to -R forward connections Matt Johnston <matt@ucc.asn.au> parents: 673 diff changeset	217 }
577 69e98c45db7c - Progress for allowing specifying a listenaddr for tcp forwards Matt Johnston <matt@ucc.asn.au> parents: 475 diff changeset	218
1620 572a7aefa188 FIx remote forward listeners Matt Johnston <matt@ucc.asn.au> parents: 1547 diff changeset	219 ret = listen_tcpfwd(tcpinfo, &listener);
1464 ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	220 if (DROPBEAR_SUCCESS == ret) {
1620 572a7aefa188 FIx remote forward listeners Matt Johnston <matt@ucc.asn.au> parents: 1547 diff changeset	221 tcpinfo->listenport = get_sock_port(listener->socks[0]);
1464 ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	222 *allocated_listen_port = tcpinfo->listenport;
ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	223 }
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	224
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	225 out:
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	226 if (ret == DROPBEAR_FAILURE) {
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	227 /* 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	228 * 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	229 m_free(request_addr);
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	230 m_free(tcpinfo);
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	231 }
1464 ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	232
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	233 TRACE(("leave remotetcpreq"))
1464 ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	234
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	235 return ret;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	236 }
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	237
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1276 diff changeset	238 #endif /* DROPBEAR_SVR_REMOTETCPFWD */
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	239
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1276 diff changeset	240 #if DROPBEAR_SVR_LOCALTCPFWD
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	241
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	242 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	243 "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	244 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	245 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	246 NULL, /* reqhandler */
1625 79eef94ccea9 Split ChanType closehandler() and cleanup() so that dbclient doesn't Matt Johnston <matt@ucc.asn.au> parents: 1620 diff changeset	247 NULL, /* closehandler */
79eef94ccea9 Split ChanType closehandler() and cleanup() so that dbclient doesn't Matt Johnston <matt@ucc.asn.au> parents: 1620 diff changeset	248 NULL /* cleanup */
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	249 };
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	250
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	251 /* 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	252 * address */
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	253 static int newtcpdirect(struct Channel * channel) {
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	254
1114 db7963049308 Turn many local variables into char * Gaël PORTAY <gael.portay@gmail.com> parents: 1094 diff changeset	255 char* desthost = NULL;
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	256 unsigned int destport;
1114 db7963049308 Turn many local variables into char * Gaël PORTAY <gael.portay@gmail.com> parents: 1094 diff changeset	257 char* orighost = NULL;
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	258 unsigned int origport;
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	259 char portstring[NI_MAXSERV];
1094 c45d65392c1a Fix pointer differ in signess warnings [-Werror=pointer-sign] Gaël PORTAY <gael.portay@gmail.com> parents: 1032 diff changeset	260 unsigned 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	261 int err = SSH_OPEN_ADMINISTRATIVELY_PROHIBITED;
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	262
941 5daedffd0769 Set tcp priority as follows: Matt Johnston <matt@ucc.asn.au> parents: 937 diff changeset	263 TRACE(("newtcpdirect channel %d", channel->index))
5daedffd0769 Set tcp priority as follows: Matt Johnston <matt@ucc.asn.au> parents: 937 diff changeset	264
475 52a644e7b8e1 * Patch from Frédéric Moulins adding options to authorized_keys. Matt Johnston <matt@ucc.asn.au> parents: 410 diff changeset	265 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	266 TRACE(("leave newtcpdirect: local tcp forwarding disabled"))
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	267 goto out;
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	268 }
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	269
1122 aaf576b27a10 Merge pull request #13 from gazoo74/fix-warnings Matt Johnston <matt@ucc.asn.au> parents: 1114 diff changeset	270 desthost = buf_getstring(ses.payload, &len);
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	271 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	272 TRACE(("leave newtcpdirect: desthost too long"))
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	273 goto out;
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	274 }
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	275
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	276 destport = buf_getint(ses.payload);
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	277
1122 aaf576b27a10 Merge pull request #13 from gazoo74/fix-warnings Matt Johnston <matt@ucc.asn.au> parents: 1114 diff changeset	278 orighost = buf_getstring(ses.payload, &len);
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	279 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	280 TRACE(("leave newtcpdirect: orighost too long"))
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	281 goto out;
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	282 }
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	283
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	284 origport = buf_getint(ses.payload);
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	285
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	286 /* best be sure */
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	287 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	288 TRACE(("leave newtcpdirect: port > 65535"))
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	289 goto out;
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
1859 1d86a58fb52d Leave non-interactive at default QoS class Matt Johnston <matt@ucc.asn.au> parents: 1829 diff changeset	292 snprintf(portstring, sizeof(portstring), "%u", destport);
1d86a58fb52d Leave non-interactive at default QoS class Matt Johnston <matt@ucc.asn.au> parents: 1829 diff changeset	293 channel->conn_pending = connect_remote(desthost, portstring, channel_connect_done,
1d86a58fb52d Leave non-interactive at default QoS class Matt Johnston <matt@ucc.asn.au> parents: 1829 diff changeset	294 channel, NULL, NULL, DROPBEAR_PRIO_NORMAL);
1785 9026f976eee8 fuzz: work around fuzz_connect_remote() limitations Matt Johnston <matt@ucc.asn.au> parents: 1627 diff changeset	295
70 b0316ce64e4b Merging in the changes from 0.41-0.43 main Dropbear tree Matt Johnston <matt@ucc.asn.au> parents: 64 diff changeset	296 err = SSH_OPEN_IN_PROGRESS;
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	297
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	298 out:
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	299 m_free(desthost);
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	300 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	301 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	302 return err;
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	303 }
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	304
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1276 diff changeset	305 #endif /* DROPBEAR_SVR_LOCALTCPFWD */

Mercurial > dropbear

annotate svr-tcpfwd.c @ 1937:334b742fdeb8