diff options
Diffstat (limited to 'ssh.c')
| -rw-r--r-- | ssh.c | 61 |
1 files changed, 48 insertions, 13 deletions
@@ -2,16 +2,44 @@ * Author: Tatu Ylonen <ylo@cs.hut.fi> * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland * All rights reserved - * Created: Sat Mar 18 16:36:11 1995 ylo * Ssh client program. This program can be used to log into a remote machine. * The software supports strong authentication, encryption, and forwarding * of X11, TCP/IP, and authentication connections. * - * Modified to work with SSL by Niels Provos <provos@citi.umich.edu> in Canada. + * As far as I am concerned, the code I have written for this software + * can be used freely for any purpose. Any derived versions of this + * software must be clearly marked as such, and if the derived work is + * incompatible with the protocol description in the RFC file, it must be + * called by a name other than "ssh" or "Secure Shell". + * + * Copyright (c) 1999 Niels Provos. All rights reserved. + * + * Modified to work with SSL by Niels Provos <provos@citi.umich.edu> + * in Canada (German citizen). + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "includes.h" -RCSID("$OpenBSD: ssh.c,v 1.63 2000/08/28 20:19:52 markus Exp $"); +RCSID("$OpenBSD: ssh.c,v 1.66 2000/09/12 20:53:10 markus Exp $"); #include <openssl/evp.h> #include <openssl/dsa.h> @@ -127,6 +155,7 @@ usage() fprintf(stderr, " -t Tty; allocate a tty even if command is given.\n"); fprintf(stderr, " -T Do not allocate a tty.\n"); fprintf(stderr, " -v Verbose; display verbose debugging messages.\n"); + fprintf(stderr, " Multiple -v increases verbosity.\n"); fprintf(stderr, " -V Display version number only.\n"); fprintf(stderr, " -P Don't allocate a privileged port.\n"); fprintf(stderr, " -q Quiet; don't display any warning messages.\n"); @@ -354,6 +383,16 @@ main(int ac, char **av) tty_flag = 1; break; case 'v': + if (0 == debug_flag) { + debug_flag = 1; + options.log_level = SYSLOG_LEVEL_DEBUG1; + } else if (options.log_level < SYSLOG_LEVEL_DEBUG3) { + options.log_level++; + break; + } else { + fatal("Too high debugging level.\n"); + } + /* fallthrough */ case 'V': fprintf(stderr, "SSH Version %s, protocol versions %d.%d/%d.%d.\n", SSH_VERSION, @@ -362,8 +401,6 @@ main(int ac, char **av) fprintf(stderr, "Compiled with SSL (0x%8.8lx).\n", SSLeay()); if (opt == 'V') exit(0); - debug_flag = 1; - options.log_level = SYSLOG_LEVEL_DEBUG; break; case 'q': options.log_level = SYSLOG_LEVEL_QUIET; @@ -994,18 +1031,16 @@ ssh_session2(void) if (daemon(1, 1) < 0) fatal("daemon() failed: %.200s", strerror(errno)); - window = 32*1024; - if (tty_flag) { - packetmax = window/8; - } else { + window = CHAN_SES_WINDOW_DEFAULT; + packetmax = CHAN_SES_PACKET_DEFAULT; + if (!tty_flag) { window *= 2; - packetmax = window/2; + packetmax *=2; } - -/*XXX MAXPACK */ id = channel_new( "session", SSH_CHANNEL_OPENING, in, out, err, - window, packetmax, CHAN_EXTENDED_WRITE, xstrdup("client-session")); + window, packetmax, CHAN_EXTENDED_WRITE, + xstrdup("client-session")); channel_open(id); channel_register_callback(id, SSH2_MSG_CHANNEL_OPEN_CONFIRMATION, client_init, (void *)0); |