dropbear: cli-tcpfwd.c annotate

annotate cli-tcpfwd.c @ 1503:78d8c3ffdfe1

use NULL instead of 0

author	Francois Perrad <francois.perrad@gadz.org>
date	Thu, 25 Jan 2018 18:19:49 +0100
parents	f787f60f8e45
children	d68d61e7056a

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 * 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	6 *
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 * 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	8 * 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	9 * 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	10 * 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	11 * 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	12 * 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	13 *
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 * 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	15 * 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	16 *
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 * 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	18 * 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	19 * 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	20 * 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	21 * 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	22 * 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	23 * 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	24
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	25 #include "includes.h"
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	26 #include "options.h"
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	27 #include "dbutil.h"
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 "channel.h"
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	30 #include "runopts.h"
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	31 #include "session.h"
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	32 #include "ssh.h"
1032 0da8ba489c23 Move generic network routines to netio.c Matt Johnston <matt@ucc.asn.au> parents: 1025 diff changeset	33 #include "netio.h"
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	34
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1275 diff changeset	35 #if DROPBEAR_CLI_REMOTETCPFWD
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	36 static int newtcpforwarded(struct Channel * channel);
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	37
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	38 const struct ChanType cli_chan_tcpremote = {
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	39 1, /* sepfds */
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	40 "forwarded-tcpip",
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	41 newtcpforwarded,
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	42 NULL,
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	43 NULL,
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	44 NULL
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	45 };
156 8c2b3506f112 Rearrange preprocessor parts so that compilation with various options Matt Johnston <matt@ucc.asn.au> parents: 108 diff changeset	46 #endif
8c2b3506f112 Rearrange preprocessor parts so that compilation with various options Matt Johnston <matt@ucc.asn.au> parents: 108 diff changeset	47
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1275 diff changeset	48 #if DROPBEAR_CLI_LOCALTCPFWD
578 44f486b72427 - tcpfwd bindaddr support against trunk. needs merging. Matt Johnston <matt@ucc.asn.au> parents: 551 diff changeset	49 static int cli_localtcp(const char* listenaddr,
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging. Matt Johnston <matt@ucc.asn.au> parents: 551 diff changeset	50 unsigned int listenport,
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging. Matt Johnston <matt@ucc.asn.au> parents: 551 diff changeset	51 const char* remoteaddr,
156 8c2b3506f112 Rearrange preprocessor parts so that compilation with various options Matt Johnston <matt@ucc.asn.au> parents: 108 diff changeset	52 unsigned int remoteport);
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	53 static const struct ChanType cli_chan_tcplocal = {
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 "direct-tcpip",
941 5daedffd0769 Set tcp priority as follows: Matt Johnston <matt@ucc.asn.au> parents: 899 diff changeset	56 tcp_prio_inithandler,
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	57 NULL,
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	58 NULL,
62 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 };
156 8c2b3506f112 Rearrange preprocessor parts so that compilation with various options Matt Johnston <matt@ucc.asn.au> parents: 108 diff changeset	61 #endif
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	62
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1275 diff changeset	63 #if DROPBEAR_CLI_ANYTCPFWD
1206 2907c658fa76 Implemented ExitOnForwardFailure option for local and remote forwarding. Konstantin Tokarev <ktokarev@smartlabs.tv> parents: 1123 diff changeset	64 static void fwd_failed(const char* format, ...) ATTRIB_PRINTF(1,2);
1275 d49bda490798 add static in function definition Francois Perrad <francois.perrad@gadz.org> parents: 1251 diff changeset	65 static void fwd_failed(const char* format, ...)
1206 2907c658fa76 Implemented ExitOnForwardFailure option for local and remote forwarding. Konstantin Tokarev <ktokarev@smartlabs.tv> parents: 1123 diff changeset	66 {
2907c658fa76 Implemented ExitOnForwardFailure option for local and remote forwarding. Konstantin Tokarev <ktokarev@smartlabs.tv> parents: 1123 diff changeset	67 va_list param;
2907c658fa76 Implemented ExitOnForwardFailure option for local and remote forwarding. Konstantin Tokarev <ktokarev@smartlabs.tv> parents: 1123 diff changeset	68 va_start(param, format);
2907c658fa76 Implemented ExitOnForwardFailure option for local and remote forwarding. Konstantin Tokarev <ktokarev@smartlabs.tv> parents: 1123 diff changeset	69
1215 d058e15ea213 A few minor style fixes Matt Johnston <matt@ucc.asn.au> parents: 1206 diff changeset	70 if (cli_opts.exit_on_fwd_failure) {
1206 2907c658fa76 Implemented ExitOnForwardFailure option for local and remote forwarding. Konstantin Tokarev <ktokarev@smartlabs.tv> parents: 1123 diff changeset	71 _dropbear_exit(EXIT_FAILURE, format, param);
1215 d058e15ea213 A few minor style fixes Matt Johnston <matt@ucc.asn.au> parents: 1206 diff changeset	72 } else {
1206 2907c658fa76 Implemented ExitOnForwardFailure option for local and remote forwarding. Konstantin Tokarev <ktokarev@smartlabs.tv> parents: 1123 diff changeset	73 _dropbear_log(LOG_WARNING, format, param);
1215 d058e15ea213 A few minor style fixes Matt Johnston <matt@ucc.asn.au> parents: 1206 diff changeset	74 }
1206 2907c658fa76 Implemented ExitOnForwardFailure option for local and remote forwarding. Konstantin Tokarev <ktokarev@smartlabs.tv> parents: 1123 diff changeset	75
2907c658fa76 Implemented ExitOnForwardFailure option for local and remote forwarding. Konstantin Tokarev <ktokarev@smartlabs.tv> parents: 1123 diff changeset	76 va_end(param);
2907c658fa76 Implemented ExitOnForwardFailure option for local and remote forwarding. Konstantin Tokarev <ktokarev@smartlabs.tv> parents: 1123 diff changeset	77 }
2907c658fa76 Implemented ExitOnForwardFailure option for local and remote forwarding. Konstantin Tokarev <ktokarev@smartlabs.tv> parents: 1123 diff changeset	78 #endif
2907c658fa76 Implemented ExitOnForwardFailure option for local and remote forwarding. Konstantin Tokarev <ktokarev@smartlabs.tv> parents: 1123 diff changeset	79
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1275 diff changeset	80 #if DROPBEAR_CLI_LOCALTCPFWD
63 dcc43965928f - A nice cleaner structure for tcp (acceptor) forwarding. Matt Johnston <matt@ucc.asn.au> parents: 62 diff changeset	81 void setup_localtcp() {
551 c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 505 diff changeset	82 m_list_elem *iter;
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	83 int ret;
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	84
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(("enter setup_localtcp"))
66 38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args Matt Johnston <matt@ucc.asn.au> parents: 64 diff changeset	86
551 c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 505 diff changeset	87 for (iter = cli_opts.localfwds->first; iter; iter = iter->next) {
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 505 diff changeset	88 struct TCPFwdEntry * fwd = (struct TCPFwdEntry*)iter->item;
578 44f486b72427 - tcpfwd bindaddr support against trunk. needs merging. Matt Johnston <matt@ucc.asn.au> parents: 551 diff changeset	89 ret = cli_localtcp(
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging. Matt Johnston <matt@ucc.asn.au> parents: 551 diff changeset	90 fwd->listenaddr,
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging. Matt Johnston <matt@ucc.asn.au> parents: 551 diff changeset	91 fwd->listenport,
551 c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 505 diff changeset	92 fwd->connectaddr,
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 505 diff changeset	93 fwd->connectport);
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	94 if (ret == DROPBEAR_FAILURE) {
1206 2907c658fa76 Implemented ExitOnForwardFailure option for local and remote forwarding. Konstantin Tokarev <ktokarev@smartlabs.tv> parents: 1123 diff changeset	95 fwd_failed("Failed local port forward %s:%d:%s:%d",
578 44f486b72427 - tcpfwd bindaddr support against trunk. needs merging. Matt Johnston <matt@ucc.asn.au> parents: 551 diff changeset	96 fwd->listenaddr,
551 c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 505 diff changeset	97 fwd->listenport,
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 505 diff changeset	98 fwd->connectaddr,
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 505 diff changeset	99 fwd->connectport);
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 505 diff changeset	100 }
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	101 }
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	102 TRACE(("leave setup_localtcp"))
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	103
63 dcc43965928f - A nice cleaner structure for tcp (acceptor) forwarding. Matt Johnston <matt@ucc.asn.au> parents: 62 diff changeset	104 }
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	105
578 44f486b72427 - tcpfwd bindaddr support against trunk. needs merging. Matt Johnston <matt@ucc.asn.au> parents: 551 diff changeset	106 static int cli_localtcp(const char* listenaddr,
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging. Matt Johnston <matt@ucc.asn.au> parents: 551 diff changeset	107 unsigned int listenport,
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging. Matt Johnston <matt@ucc.asn.au> parents: 551 diff changeset	108 const char* remoteaddr,
63 dcc43965928f - A nice cleaner structure for tcp (acceptor) forwarding. Matt Johnston <matt@ucc.asn.au> parents: 62 diff changeset	109 unsigned int remoteport) {
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 struct TCPListener* tcpinfo = NULL;
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	112 int ret;
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	113
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	114 TRACE(("enter cli_localtcp: %d %s %d", listenport, remoteaddr,
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	115 remoteport));
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	116
184 ca55377e4f7e - allocate correct buffer size for channel info, rather than sizeof(pointer). Matt Johnston <matt@ucc.asn.au> parents: 165 diff changeset	117 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	118
108 10f4d3319780 - added circular buffering for channels Matt Johnston <matt@ucc.asn.au> parents: 74 diff changeset	119 tcpinfo->sendaddr = m_strdup(remoteaddr);
63 dcc43965928f - A nice cleaner structure for tcp (acceptor) forwarding. Matt Johnston <matt@ucc.asn.au> parents: 62 diff changeset	120 tcpinfo->sendport = remoteport;
258 306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local Matt Johnston <matt@ucc.asn.au> parents: 253 diff changeset	121
578 44f486b72427 - tcpfwd bindaddr support against trunk. needs merging. Matt Johnston <matt@ucc.asn.au> parents: 551 diff changeset	122 if (listenaddr)
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging. Matt Johnston <matt@ucc.asn.au> parents: 551 diff changeset	123 {
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging. Matt Johnston <matt@ucc.asn.au> parents: 551 diff changeset	124 tcpinfo->listenaddr = m_strdup(listenaddr);
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging. Matt Johnston <matt@ucc.asn.au> parents: 551 diff changeset	125 }
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging. Matt Johnston <matt@ucc.asn.au> parents: 551 diff changeset	126 else
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging. Matt Johnston <matt@ucc.asn.au> parents: 551 diff changeset	127 {
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging. Matt Johnston <matt@ucc.asn.au> parents: 551 diff changeset	128 if (opts.listen_fwd_all) {
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging. Matt Johnston <matt@ucc.asn.au> parents: 551 diff changeset	129 tcpinfo->listenaddr = m_strdup("");
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging. Matt Johnston <matt@ucc.asn.au> parents: 551 diff changeset	130 } else {
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging. Matt Johnston <matt@ucc.asn.au> parents: 551 diff changeset	131 tcpinfo->listenaddr = m_strdup("localhost");
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging. Matt Johnston <matt@ucc.asn.au> parents: 551 diff changeset	132 }
258 306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local Matt Johnston <matt@ucc.asn.au> parents: 253 diff changeset	133 }
63 dcc43965928f - A nice cleaner structure for tcp (acceptor) forwarding. Matt Johnston <matt@ucc.asn.au> parents: 62 diff changeset	134 tcpinfo->listenport = listenport;
258 306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local Matt Johnston <matt@ucc.asn.au> parents: 253 diff changeset	135
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	136 tcpinfo->chantype = &cli_chan_tcplocal;
259 c049490e43fe * fix -L forwarding on the client, broke last rev Matt Johnston <matt@ucc.asn.au> parents: 258 diff changeset	137 tcpinfo->tcp_type = direct;
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	138
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	139 ret = listen_tcpfwd(tcpinfo);
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	140
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	141 if (ret == DROPBEAR_FAILURE) {
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	142 m_free(tcpinfo);
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	143 }
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	144 TRACE(("leave cli_localtcp: %d", ret))
62 20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	145 return ret;
20563735e8b5 just checkpointing Matt Johnston <matt@ucc.asn.au> parents: diff changeset	146 }
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1275 diff changeset	147 #endif /* DROPBEAR_CLI_LOCALTCPFWD */
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	148
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1275 diff changeset	149 #if DROPBEAR_CLI_REMOTETCPFWD
578 44f486b72427 - tcpfwd bindaddr support against trunk. needs merging. Matt Johnston <matt@ucc.asn.au> parents: 551 diff changeset	150 static void send_msg_global_request_remotetcp(const char *addr, int port) {
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	151
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	152 TRACE(("enter send_msg_global_request_remotetcp"))
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	153
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	154 CHECKCLEARTOWRITE();
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	155 buf_putbyte(ses.writepayload, SSH_MSG_GLOBAL_REQUEST);
1123 d7b752525b91 buf_getstring and buf_putstring now use non-unsigned char* Matt Johnston <matt@ucc.asn.au> parents: 1094 diff changeset	156 buf_putstring(ses.writepayload, "tcpip-forward", 13);
505 805e557fdff7 Report errors if a remote request fails Matt Johnston <matt@ucc.asn.au> parents: 259 diff changeset	157 buf_putbyte(ses.writepayload, 1); /* want_reply */
1123 d7b752525b91 buf_getstring and buf_putstring now use non-unsigned char* Matt Johnston <matt@ucc.asn.au> parents: 1094 diff changeset	158 buf_putstring(ses.writepayload, addr, strlen(addr));
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	159 buf_putint(ses.writepayload, port);
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	160
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	161 encrypt_packet();
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	162
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	163 TRACE(("leave send_msg_global_request_remotetcp"))
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	164 }
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	165
505 805e557fdff7 Report errors if a remote request fails Matt Johnston <matt@ucc.asn.au> parents: 259 diff changeset	166 /* The only global success/failure messages are for remotetcp.
805e557fdff7 Report errors if a remote request fails Matt Johnston <matt@ucc.asn.au> parents: 259 diff changeset	167 * Since there isn't any identifier in these messages, we have to rely on them
805e557fdff7 Report errors if a remote request fails Matt Johnston <matt@ucc.asn.au> parents: 259 diff changeset	168 * being in the same order as we sent the requests. This is the ordering
631 af304deacb4c Print the server allocated port when using dbclient -R 0:.... Matt Johnston <matt@ucc.asn.au> parents: 591 diff changeset	169 * of the cli_opts.remotefwds list.
af304deacb4c Print the server allocated port when using dbclient -R 0:.... Matt Johnston <matt@ucc.asn.au> parents: 591 diff changeset	170 * If the requested remote port is 0 the listen port will be
af304deacb4c Print the server allocated port when using dbclient -R 0:.... Matt Johnston <matt@ucc.asn.au> parents: 591 diff changeset	171 * dynamically allocated by the server and the port number will be returned
af304deacb4c Print the server allocated port when using dbclient -R 0:.... Matt Johnston <matt@ucc.asn.au> parents: 591 diff changeset	172 * to client and the port number reported to the user. */
505 805e557fdff7 Report errors if a remote request fails Matt Johnston <matt@ucc.asn.au> parents: 259 diff changeset	173 void cli_recv_msg_request_success() {
631 af304deacb4c Print the server allocated port when using dbclient -R 0:.... Matt Johnston <matt@ucc.asn.au> parents: 591 diff changeset	174 /* We just mark off that we have received the reply,
505 805e557fdff7 Report errors if a remote request fails Matt Johnston <matt@ucc.asn.au> parents: 259 diff changeset	175 * so that we can report failure for later ones. */
551 c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 505 diff changeset	176 m_list_elem * iter = NULL;
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 505 diff changeset	177 for (iter = cli_opts.remotefwds->first; iter; iter = iter->next) {
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 505 diff changeset	178 struct TCPFwdEntry fwd = (struct TCPFwdEntry)iter->item;
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 505 diff changeset	179 if (!fwd->have_reply) {
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 505 diff changeset	180 fwd->have_reply = 1;
631 af304deacb4c Print the server allocated port when using dbclient -R 0:.... Matt Johnston <matt@ucc.asn.au> parents: 591 diff changeset	181 if (fwd->listenport == 0) {
899 115f8a3c2d5a - Fix dbclient with port 0 for server-allocated Matt Johnston <matt@ucc.asn.au> parents: 857 diff changeset	182 /* The server should let us know which port was allocated if we requested port 0 */
631 af304deacb4c Print the server allocated port when using dbclient -R 0:.... Matt Johnston <matt@ucc.asn.au> parents: 591 diff changeset	183 int allocport = buf_getint(ses.payload);
af304deacb4c Print the server allocated port when using dbclient -R 0:.... Matt Johnston <matt@ucc.asn.au> parents: 591 diff changeset	184 if (allocport > 0) {
899 115f8a3c2d5a - Fix dbclient with port 0 for server-allocated Matt Johnston <matt@ucc.asn.au> parents: 857 diff changeset	185 fwd->listenport = allocport;
631 af304deacb4c Print the server allocated port when using dbclient -R 0:.... Matt Johnston <matt@ucc.asn.au> parents: 591 diff changeset	186 dropbear_log(LOG_INFO, "Allocated port %d for remote forward to %s:%d",
af304deacb4c Print the server allocated port when using dbclient -R 0:.... Matt Johnston <matt@ucc.asn.au> parents: 591 diff changeset	187 allocport, fwd->connectaddr, fwd->connectport);
af304deacb4c Print the server allocated port when using dbclient -R 0:.... Matt Johnston <matt@ucc.asn.au> parents: 591 diff changeset	188 }
af304deacb4c Print the server allocated port when using dbclient -R 0:.... Matt Johnston <matt@ucc.asn.au> parents: 591 diff changeset	189 }
505 805e557fdff7 Report errors if a remote request fails Matt Johnston <matt@ucc.asn.au> parents: 259 diff changeset	190 return;
805e557fdff7 Report errors if a remote request fails Matt Johnston <matt@ucc.asn.au> parents: 259 diff changeset	191 }
805e557fdff7 Report errors if a remote request fails Matt Johnston <matt@ucc.asn.au> parents: 259 diff changeset	192 }
805e557fdff7 Report errors if a remote request fails Matt Johnston <matt@ucc.asn.au> parents: 259 diff changeset	193 }
805e557fdff7 Report errors if a remote request fails Matt Johnston <matt@ucc.asn.au> parents: 259 diff changeset	194
805e557fdff7 Report errors if a remote request fails Matt Johnston <matt@ucc.asn.au> parents: 259 diff changeset	195 void cli_recv_msg_request_failure() {
551 c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 505 diff changeset	196 m_list_elem *iter;
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 505 diff changeset	197 for (iter = cli_opts.remotefwds->first; iter; iter = iter->next) {
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 505 diff changeset	198 struct TCPFwdEntry fwd = (struct TCPFwdEntry)iter->item;
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 505 diff changeset	199 if (!fwd->have_reply) {
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 505 diff changeset	200 fwd->have_reply = 1;
1206 2907c658fa76 Implemented ExitOnForwardFailure option for local and remote forwarding. Konstantin Tokarev <ktokarev@smartlabs.tv> parents: 1123 diff changeset	201 fwd_failed("Remote TCP forward request failed (port %d -> %s:%d)",
2907c658fa76 Implemented ExitOnForwardFailure option for local and remote forwarding. Konstantin Tokarev <ktokarev@smartlabs.tv> parents: 1123 diff changeset	202 fwd->listenport,
2907c658fa76 Implemented ExitOnForwardFailure option for local and remote forwarding. Konstantin Tokarev <ktokarev@smartlabs.tv> parents: 1123 diff changeset	203 fwd->connectaddr,
2907c658fa76 Implemented ExitOnForwardFailure option for local and remote forwarding. Konstantin Tokarev <ktokarev@smartlabs.tv> parents: 1123 diff changeset	204 fwd->connectport);
505 805e557fdff7 Report errors if a remote request fails Matt Johnston <matt@ucc.asn.au> parents: 259 diff changeset	205 return;
805e557fdff7 Report errors if a remote request fails Matt Johnston <matt@ucc.asn.au> parents: 259 diff changeset	206 }
805e557fdff7 Report errors if a remote request fails Matt Johnston <matt@ucc.asn.au> parents: 259 diff changeset	207 }
805e557fdff7 Report errors if a remote request fails Matt Johnston <matt@ucc.asn.au> parents: 259 diff changeset	208 }
805e557fdff7 Report errors if a remote request fails Matt Johnston <matt@ucc.asn.au> parents: 259 diff changeset	209
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	210 void setup_remotetcp() {
551 c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 505 diff changeset	211 m_list_elem *iter;
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	212 TRACE(("enter setup_remotetcp"))
66 38c3146aa23d Some more sanity-checking of args, and just warn and ignore OpenSSH args Matt Johnston <matt@ucc.asn.au> parents: 64 diff changeset	213
551 c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 505 diff changeset	214 for (iter = cli_opts.remotefwds->first; iter; iter = iter->next) {
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 505 diff changeset	215 struct TCPFwdEntry fwd = (struct TCPFwdEntry)iter->item;
578 44f486b72427 - tcpfwd bindaddr support against trunk. needs merging. Matt Johnston <matt@ucc.asn.au> parents: 551 diff changeset	216 if (!fwd->listenaddr)
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging. Matt Johnston <matt@ucc.asn.au> parents: 551 diff changeset	217 {
857 c19acba28590 use oldstyle comments Matt Johnston <matt@ucc.asn.au> parents: 631 diff changeset	218 /* we store the addresses so that we can compare them
c19acba28590 use oldstyle comments Matt Johnston <matt@ucc.asn.au> parents: 631 diff changeset	219 when the server sends them back */
578 44f486b72427 - tcpfwd bindaddr support against trunk. needs merging. Matt Johnston <matt@ucc.asn.au> parents: 551 diff changeset	220 if (opts.listen_fwd_all) {
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging. Matt Johnston <matt@ucc.asn.au> parents: 551 diff changeset	221 fwd->listenaddr = m_strdup("");
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging. Matt Johnston <matt@ucc.asn.au> parents: 551 diff changeset	222 } else {
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging. Matt Johnston <matt@ucc.asn.au> parents: 551 diff changeset	223 fwd->listenaddr = m_strdup("localhost");
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging. Matt Johnston <matt@ucc.asn.au> parents: 551 diff changeset	224 }
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging. Matt Johnston <matt@ucc.asn.au> parents: 551 diff changeset	225 }
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging. Matt Johnston <matt@ucc.asn.au> parents: 551 diff changeset	226 send_msg_global_request_remotetcp(fwd->listenaddr, fwd->listenport);
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	227 }
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	228
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	229 TRACE(("leave setup_remotetcp"))
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	230 }
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	231
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	232 static int newtcpforwarded(struct Channel * channel) {
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	233
1250 2bb4c662d1c2 more hard tab Francois Perrad <francois.perrad@gadz.org> parents: 1215 diff changeset	234 char *origaddr = NULL;
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	235 unsigned int origport;
551 c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 505 diff changeset	236 m_list_elem * iter = NULL;
1327 e47e4b8a005d initialize variable and protect against NULL dereferencement Francois Perrad <francois.perrad@gadz.org> parents: 1295 diff changeset	237 struct TCPFwdEntry *fwd = NULL;
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	238 char portstring[NI_MAXSERV];
70 b0316ce64e4b Merging in the changes from 0.41-0.43 main Dropbear tree Matt Johnston <matt@ucc.asn.au> parents: 66 diff changeset	239 int err = SSH_OPEN_ADMINISTRATIVELY_PROHIBITED;
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	240
1123 d7b752525b91 buf_getstring and buf_putstring now use non-unsigned char* Matt Johnston <matt@ucc.asn.au> parents: 1094 diff changeset	241 origaddr = buf_getstring(ses.payload, NULL);
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	242 origport = buf_getint(ses.payload);
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	243
899 115f8a3c2d5a - Fix dbclient with port 0 for server-allocated Matt Johnston <matt@ucc.asn.au> parents: 857 diff changeset	244 /* Find which port corresponds. First try and match address as well as port,
115f8a3c2d5a - Fix dbclient with port 0 for server-allocated Matt Johnston <matt@ucc.asn.au> parents: 857 diff changeset	245 in case they want to forward different ports separately ... */
551 c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 505 diff changeset	246 for (iter = cli_opts.remotefwds->first; iter; iter = iter->next) {
c3f2ec71e3d4 New standard linked list to use, rather than adhoc SignKeyList or TCPFwdList Matt Johnston <matt@ucc.asn.au> parents: 505 diff changeset	247 fwd = (struct TCPFwdEntry*)iter->item;
578 44f486b72427 - tcpfwd bindaddr support against trunk. needs merging. Matt Johnston <matt@ucc.asn.au> parents: 551 diff changeset	248 if (origport == fwd->listenport
899 115f8a3c2d5a - Fix dbclient with port 0 for server-allocated Matt Johnston <matt@ucc.asn.au> parents: 857 diff changeset	249 && strcmp(origaddr, fwd->listenaddr) == 0) {
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	250 break;
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	251 }
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	252 }
efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	253
899 115f8a3c2d5a - Fix dbclient with port 0 for server-allocated Matt Johnston <matt@ucc.asn.au> parents: 857 diff changeset	254 if (!iter)
115f8a3c2d5a - Fix dbclient with port 0 for server-allocated Matt Johnston <matt@ucc.asn.au> parents: 857 diff changeset	255 {
115f8a3c2d5a - Fix dbclient with port 0 for server-allocated Matt Johnston <matt@ucc.asn.au> parents: 857 diff changeset	256 /* ... otherwise try to generically match the only forwarded port
115f8a3c2d5a - Fix dbclient with port 0 for server-allocated Matt Johnston <matt@ucc.asn.au> parents: 857 diff changeset	257 without address (also handles ::1 vs 127.0.0.1 vs localhost case).
115f8a3c2d5a - Fix dbclient with port 0 for server-allocated Matt Johnston <matt@ucc.asn.au> parents: 857 diff changeset	258 rfc4254 is vague about the definition of "address that was connected" */
115f8a3c2d5a - Fix dbclient with port 0 for server-allocated Matt Johnston <matt@ucc.asn.au> parents: 857 diff changeset	259 for (iter = cli_opts.remotefwds->first; iter; iter = iter->next) {
115f8a3c2d5a - Fix dbclient with port 0 for server-allocated Matt Johnston <matt@ucc.asn.au> parents: 857 diff changeset	260 fwd = (struct TCPFwdEntry*)iter->item;
115f8a3c2d5a - Fix dbclient with port 0 for server-allocated Matt Johnston <matt@ucc.asn.au> parents: 857 diff changeset	261 if (origport == fwd->listenport) {
115f8a3c2d5a - Fix dbclient with port 0 for server-allocated Matt Johnston <matt@ucc.asn.au> parents: 857 diff changeset	262 break;
115f8a3c2d5a - Fix dbclient with port 0 for server-allocated Matt Johnston <matt@ucc.asn.au> parents: 857 diff changeset	263 }
115f8a3c2d5a - Fix dbclient with port 0 for server-allocated Matt Johnston <matt@ucc.asn.au> parents: 857 diff changeset	264 }
115f8a3c2d5a - Fix dbclient with port 0 for server-allocated Matt Johnston <matt@ucc.asn.au> parents: 857 diff changeset	265 }
115f8a3c2d5a - Fix dbclient with port 0 for server-allocated Matt Johnston <matt@ucc.asn.au> parents: 857 diff changeset	266
115f8a3c2d5a - Fix dbclient with port 0 for server-allocated Matt Johnston <matt@ucc.asn.au> parents: 857 diff changeset	267
1327 e47e4b8a005d initialize variable and protect against NULL dereferencement Francois Perrad <francois.perrad@gadz.org> parents: 1295 diff changeset	268 if (iter == NULL \|\| fwd == NULL) {
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	269 /* We didn't request forwarding on that port */
1250 2bb4c662d1c2 more hard tab Francois Perrad <francois.perrad@gadz.org> parents: 1215 diff changeset	270 cleantext(origaddr);
578 44f486b72427 - tcpfwd bindaddr support against trunk. needs merging. Matt Johnston <matt@ucc.asn.au> parents: 551 diff changeset	271 dropbear_log(LOG_INFO, "Server sent unrequested forward from \"%s:%d\"",
44f486b72427 - tcpfwd bindaddr support against trunk. needs merging. Matt Johnston <matt@ucc.asn.au> parents: 551 diff changeset	272 origaddr, origport);
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
1237 888e3d17e962 Fix print format specifier Chocobo1 <Chocobo1@users.noreply.github.com> parents: 1215 diff changeset	276 snprintf(portstring, sizeof(portstring), "%u", fwd->connectport);
1466 f787f60f8e45 bind to port as well with -b Matt Johnston <matt@ucc.asn.au> parents: 1465 diff changeset	277 channel->conn_pending = connect_remote(fwd->connectaddr, portstring, channel_connect_done, channel, NULL, NULL);
941 5daedffd0769 Set tcp priority as follows: Matt Johnston <matt@ucc.asn.au> parents: 899 diff changeset	278
5daedffd0769 Set tcp priority as follows: Matt Johnston <matt@ucc.asn.au> parents: 899 diff changeset	279 channel->prio = DROPBEAR_CHANNEL_PRIO_UNKNOWABLE;
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	280
70 b0316ce64e4b Merging in the changes from 0.41-0.43 main Dropbear tree Matt Johnston <matt@ucc.asn.au> parents: 66 diff changeset	281 err = SSH_OPEN_IN_PROGRESS;
64 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 out:
578 44f486b72427 - tcpfwd bindaddr support against trunk. needs merging. Matt Johnston <matt@ucc.asn.au> parents: 551 diff changeset	284 m_free(origaddr);
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	285 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: 66 diff changeset	286 return err;
64 efb5e0b335cf TCP forwarding works. Matt Johnston <matt@ucc.asn.au> parents: 63 diff changeset	287 }
1295 750ec4ec4cbe Convert #ifdef to #if, other build changes Matt Johnston <matt@ucc.asn.au> parents: 1275 diff changeset	288 #endif /* DROPBEAR_CLI_REMOTETCPFWD */

Mercurial > dropbear

annotate cli-tcpfwd.c @ 1503:78d8c3ffdfe1