dropbear: svr-tcpfwd.c annotate

annotate svr-tcpfwd.c @ 1669:3080aed32bf1

scp.c: Port OpenSSH CVE-2018-20685 fix (#80)

author	Haelwenn Monnier <contact+github.com@hacktivis.me>
date	Mon, 25 May 2020 14:54:29 +0200
parents	9b02c49bd396
children	9026f976eee8

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() {
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 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	43 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	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 /* */
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1276 diff changeset	47 #endif /* !DROPBEAR_SVR_REMOTETCPFWD */
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	48
1276 9169e4e7cbee fix empty C prototypes Francois Perrad <francois.perrad@gadz.org> parents: 1251 diff changeset	49 static int svr_cancelremotetcp(void);
1464 ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	50 static int svr_remotetcpreq(int *allocated_listen_port);
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	51 static int newtcpdirect(struct Channel * channel);
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	52
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1276 diff changeset	53 #if DROPBEAR_SVR_REMOTETCPFWD
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	54 static const struct ChanType svr_chan_tcpremote = {
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	55 1, /* sepfds */
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	56 "forwarded-tcpip",
941 5daedffd0769 Set tcp priority as follows: Matt Johnston <matt@ucc.asn.au> parents: 937 diff changeset	57 tcp_prio_inithandler,
62 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,
1627 9b02c49bd396 add missing initializer (#71) François Perrad <francois.perrad@gadz.org> parents: 1625 diff changeset	60 NULL,
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	61 NULL
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	62 };
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	63
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	64 /* 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	65 * 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	66 * similar to the request-switching in chansession.c */
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	67 void recv_msg_global_request_remotetcp() {
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	68
1114 db7963049308 Turn many local variables into char * Gaël PORTAY <gael.portay@gmail.com> parents: 1094 diff changeset	69 char* reqname = NULL;
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	70 unsigned int namelen;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	71 unsigned int wantreply = 0;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	72 int ret = DROPBEAR_FAILURE;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	73
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	74 TRACE(("enter recv_msg_global_request_remotetcp"))
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	75
475 52a644e7b8e1 * Patch from Frédéric Moulins adding options to authorized_keys. Matt Johnston <matt@ucc.asn.au> parents: 410 diff changeset	76 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	77 TRACE(("leave recv_msg_global_request_remotetcp: remote tcp forwarding disabled"))
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	78 goto out;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	79 }
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	80
1122 aaf576b27a10 Merge pull request #13 from gazoo74/fix-warnings Matt Johnston <matt@ucc.asn.au> parents: 1114 diff changeset	81 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	82 wantreply = buf_getbool(ses.payload);
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	83
267 7ce577234a10 * svr-tcpfwd.c: should be MAX_NAME_LEN not MAXNAMLEN Matt Johnston <matt@ucc.asn.au> parents: 259 diff changeset	84 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	85 TRACE(("name len is wrong: %d", namelen))
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	86 goto out;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	87 }
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	88
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	89 if (strcmp("tcpip-forward", reqname) == 0) {
1547 2c902644036d avoid warning about port Matt Johnston <matt@ucc.asn.au> parents: 1541 diff changeset	90 int allocated_listen_port = 0;
1464 ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	91 ret = svr_remotetcpreq(&allocated_listen_port);
ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	92 /* 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	93 if (DROPBEAR_SUCCESS == ret) {
ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	94 CHECKCLEARTOWRITE();
ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	95 buf_putbyte(ses.writepayload, SSH_MSG_REQUEST_SUCCESS);
ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	96 buf_putint(ses.writepayload, allocated_listen_port);
ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	97 encrypt_packet();
1541 bb55dffab5ba don't log server listen ports Matt Johnston <matt@ucc.asn.au> parents: 1502 diff changeset	98 wantreply = 0; /* avoid out: below sending another reply */
1502 73aa542e76fe fix indentation Francois Perrad <francois.perrad@gadz.org> parents: 1499 diff changeset	99 }
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	100 } else if (strcmp("cancel-tcpip-forward", reqname) == 0) {
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	101 ret = svr_cancelremotetcp();
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	102 } 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	103 TRACE(("reqname isn't tcpip-forward: '%s'", reqname))
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	104 }
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	105
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	106 out:
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	107 if (wantreply) {
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	108 if (ret == DROPBEAR_SUCCESS) {
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	109 send_msg_request_success();
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	110 } else {
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	111 send_msg_request_failure();
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	112 }
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	113 }
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	114
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	115 m_free(reqname);
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	116
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	117 TRACE(("leave recv_msg_global_request"))
62 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
1460 58a74cb829b8 Pointer parameter could be declared as pointing to const (callback) Francois Perrad <francois.perrad@gadz.org> parents: 1342 diff changeset	120 static int matchtcp(const void* typedata1, const void* typedata2) {
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	121
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	122 const struct TCPListener info1 = (struct TCPListener)typedata1;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	123 const struct TCPListener info2 = (struct TCPListener)typedata2;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	124
258 306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local Matt Johnston <matt@ucc.asn.au> parents: 253 diff changeset	125 return (info1->listenport == info2->listenport)
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	126 && (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	127 && (strcmp(info1->listenaddr, info2->listenaddr) == 0);
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	128 }
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 static int svr_cancelremotetcp() {
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	131
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	132 int ret = DROPBEAR_FAILURE;
1114 db7963049308 Turn many local variables into char * Gaël PORTAY <gael.portay@gmail.com> parents: 1094 diff changeset	133 char * bindaddr = NULL;
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	134 unsigned int addrlen;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	135 unsigned int port;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	136 struct Listener * listener = NULL;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	137 struct TCPListener tcpinfo;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	138
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	139 TRACE(("enter cancelremotetcp"))
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	140
1122 aaf576b27a10 Merge pull request #13 from gazoo74/fix-warnings Matt Johnston <matt@ucc.asn.au> parents: 1114 diff changeset	141 bindaddr = buf_getstring(ses.payload, &addrlen);
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	142 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	143 TRACE(("addr len too long: %d", addrlen))
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	144 goto out;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	145 }
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 port = buf_getint(ses.payload);
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	148
258 306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local Matt Johnston <matt@ucc.asn.au> parents: 253 diff changeset	149 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	150 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	151 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	152 tcpinfo.listenport = port;
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	153 listener = get_listener(CHANNEL_ID_TCPFORWARDED, &tcpinfo, matchtcp);
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	154 if (listener) {
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	155 remove_listener( listener );
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	156 ret = DROPBEAR_SUCCESS;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	157 }
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	158
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	159 out:
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	160 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	161 TRACE(("leave cancelremotetcp"))
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	162 return ret;
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
1464 ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	165 static int svr_remotetcpreq(int *allocated_listen_port) {
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	166
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	167 int ret = DROPBEAR_FAILURE;
1114 db7963049308 Turn many local variables into char * Gaël PORTAY <gael.portay@gmail.com> parents: 1094 diff changeset	168 char * request_addr = NULL;
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	169 unsigned int addrlen;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	170 struct TCPListener *tcpinfo = NULL;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	171 unsigned int port;
1620 572a7aefa188 FIx remote forward listeners Matt Johnston <matt@ucc.asn.au> parents: 1547 diff changeset	172 struct Listener *listener = NULL;
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	173
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	174 TRACE(("enter remotetcpreq"))
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	175
1122 aaf576b27a10 Merge pull request #13 from gazoo74/fix-warnings Matt Johnston <matt@ucc.asn.au> parents: 1114 diff changeset	176 request_addr = buf_getstring(ses.payload, &addrlen);
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	177 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	178 TRACE(("addr len too long: %d", addrlen))
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 port = buf_getint(ses.payload);
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	183
1464 ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	184 if (port != 0) {
ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	185 if (port < 1 \|\| port > 65535) {
ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	186 TRACE(("invalid port: %d", port))
ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	187 goto out;
ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	188 }
62 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 (!ses.allowprivport && port < IPPORT_RESERVED) {
ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	191 TRACE(("can't assign port < 1024 for non-root"))
ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	192 goto out;
ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	193 }
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	194 }
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	195
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	196 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	197 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	198 tcpinfo->sendport = 0;
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	199 tcpinfo->listenport = port;
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	200 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	201 tcpinfo->tcp_type = forwarded;
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	202
675 dfdb9d9189ff Server shouldn't return "localhost" in response to -R forward connections Matt Johnston <matt@ucc.asn.au> parents: 673 diff changeset	203 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	204 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	205 /* 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	206 tcpinfo->listenaddr = NULL;
577 69e98c45db7c - Progress for allowing specifying a listenaddr for tcp forwards Matt Johnston <matt@ucc.asn.au> parents: 475 diff changeset	207 }
675 dfdb9d9189ff Server shouldn't return "localhost" in response to -R forward connections Matt Johnston <matt@ucc.asn.au> parents: 673 diff changeset	208 else
dfdb9d9189ff Server shouldn't return "localhost" in response to -R forward connections Matt Johnston <matt@ucc.asn.au> parents: 673 diff changeset	209 {
1334 c8114a48837c listenaddr must be malloced Matt Johnston <matt@ucc.asn.au> parents: 1276 diff changeset	210 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	211 }
577 69e98c45db7c - Progress for allowing specifying a listenaddr for tcp forwards Matt Johnston <matt@ucc.asn.au> parents: 475 diff changeset	212
1620 572a7aefa188 FIx remote forward listeners Matt Johnston <matt@ucc.asn.au> parents: 1547 diff changeset	213 ret = listen_tcpfwd(tcpinfo, &listener);
1464 ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	214 if (DROPBEAR_SUCCESS == ret) {
1620 572a7aefa188 FIx remote forward listeners Matt Johnston <matt@ucc.asn.au> parents: 1547 diff changeset	215 tcpinfo->listenport = get_sock_port(listener->socks[0]);
1464 ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	216 *allocated_listen_port = tcpinfo->listenport;
ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	217 }
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	218
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	219 out:
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	220 if (ret == DROPBEAR_FAILURE) {
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	221 /* 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	222 * 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	223 m_free(request_addr);
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	224 m_free(tcpinfo);
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	225 }
1464 ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	226
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	227 TRACE(("leave remotetcpreq"))
1464 ad637c9e0f6f Server chosen tcpfwd ports (#43) houseofkodai <karthik@houseofkodai.in> parents: 1460 diff changeset	228
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	229 return ret;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	230 }
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	231
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1276 diff changeset	232 #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	233
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1276 diff changeset	234 #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	235
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	236 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	237 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	238 "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	239 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	240 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	241 NULL, /* reqhandler */
1625 79eef94ccea9 Split ChanType closehandler() and cleanup() so that dbclient doesn't Matt Johnston <matt@ucc.asn.au> parents: 1620 diff changeset	242 NULL, /* closehandler */
79eef94ccea9 Split ChanType closehandler() and cleanup() so that dbclient doesn't Matt Johnston <matt@ucc.asn.au> parents: 1620 diff changeset	243 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	244 };
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
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	246 /* 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	247 * address */
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	248 static int newtcpdirect(struct Channel * channel) {
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	249
1114 db7963049308 Turn many local variables into char * Gaël PORTAY <gael.portay@gmail.com> parents: 1094 diff changeset	250 char* desthost = NULL;
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	251 unsigned int destport;
1114 db7963049308 Turn many local variables into char * Gaël PORTAY <gael.portay@gmail.com> parents: 1094 diff changeset	252 char* orighost = NULL;
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	253 unsigned int origport;
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	254 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	255 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	256 int err = SSH_OPEN_ADMINISTRATIVELY_PROHIBITED;
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	257
941 5daedffd0769 Set tcp priority as follows: Matt Johnston <matt@ucc.asn.au> parents: 937 diff changeset	258 TRACE(("newtcpdirect channel %d", channel->index))
5daedffd0769 Set tcp priority as follows: Matt Johnston <matt@ucc.asn.au> parents: 937 diff changeset	259
475 52a644e7b8e1 * Patch from Frédéric Moulins adding options to authorized_keys. Matt Johnston <matt@ucc.asn.au> parents: 410 diff changeset	260 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	261 TRACE(("leave newtcpdirect: local tcp forwarding disabled"))
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	262 goto out;
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
1122 aaf576b27a10 Merge pull request #13 from gazoo74/fix-warnings Matt Johnston <matt@ucc.asn.au> parents: 1114 diff changeset	265 desthost = buf_getstring(ses.payload, &len);
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	266 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	267 TRACE(("leave newtcpdirect: desthost too long"))
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	268 goto out;
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	269 }
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 destport = buf_getint(ses.payload);
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	272
1122 aaf576b27a10 Merge pull request #13 from gazoo74/fix-warnings Matt Johnston <matt@ucc.asn.au> parents: 1114 diff changeset	273 orighost = buf_getstring(ses.payload, &len);
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	274 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	275 TRACE(("leave newtcpdirect: orighost too long"))
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	276 goto out;
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	277 }
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 origport = buf_getint(ses.payload);
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	280
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	281 /* best be sure */
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	282 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	283 TRACE(("leave newtcpdirect: port > 65535"))
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	284 goto out;
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
1237 888e3d17e962 Fix print format specifier Chocobo1 <Chocobo1@users.noreply.github.com> parents: 1122 diff changeset	287 snprintf(portstring, sizeof(portstring), "%u", destport);
1466 f787f60f8e45 bind to port as well with -b Matt Johnston <matt@ucc.asn.au> parents: 1465 diff changeset	288 channel->conn_pending = connect_remote(desthost, portstring, channel_connect_done, channel, NULL, NULL);
941 5daedffd0769 Set tcp priority as follows: Matt Johnston <matt@ucc.asn.au> parents: 937 diff changeset	289
5daedffd0769 Set tcp priority as follows: Matt Johnston <matt@ucc.asn.au> parents: 937 diff changeset	290 channel->prio = DROPBEAR_CHANNEL_PRIO_UNKNOWABLE;
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	291
70 b0316ce64e4b Merging in the changes from 0.41-0.43 main Dropbear tree Matt Johnston <matt@ucc.asn.au> parents: 64 diff changeset	292 err = SSH_OPEN_IN_PROGRESS;
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	293
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	294 out:
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	295 m_free(desthost);
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	296 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	297 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	298 return err;
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	299 }
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	300
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1276 diff changeset	301 #endif /* DROPBEAR_SVR_LOCALTCPFWD */

Mercurial > dropbear

annotate svr-tcpfwd.c @ 1669:3080aed32bf1