diff options
Diffstat (limited to 'sshd.c')
| -rw-r--r-- | sshd.c | 61 |
1 files changed, 48 insertions, 13 deletions
@@ -2,19 +2,45 @@ * Author: Tatu Ylonen <ylo@cs.hut.fi> * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland * All rights reserved - * Created: Fri Mar 17 17:09:28 1995 ylo - * This program is the ssh daemon. It listens for connections from clients, and - * performs authentication, executes use commands or shell, and forwards + * This program is the ssh daemon. It listens for connections from clients, + * and performs authentication, executes use commands or shell, and forwards * information to/from the application to the user client over an encrypted - * connection. This can also handle forwarding of X11, TCP/IP, and authentication - * agent connections. + * connection. This can also handle forwarding of X11, TCP/IP, and + * authentication agent connections. * - * SSH2 implementation, - * Copyright (c) 2000 Markus Friedl. All rights reserved. + * 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". + * + * SSH2 implementation: + * + * Copyright (c) 2000 Markus Friedl. All rights reserved. + * + * 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: sshd.c,v 1.125 2000/08/17 20:06:34 markus Exp $"); +RCSID("$OpenBSD: sshd.c,v 1.127 2000/09/12 20:53:10 markus Exp $"); #include "xmalloc.h" #include "rsa.h" @@ -485,8 +511,15 @@ main(int ac, char **av) config_file_name = optarg; break; case 'd': - debug_flag = 1; - options.log_level = SYSLOG_LEVEL_DEBUG; + if (0 == debug_flag) { + debug_flag = 1; + options.log_level = SYSLOG_LEVEL_DEBUG1; + } else if (options.log_level < SYSLOG_LEVEL_DEBUG3) { + options.log_level++; + } else { + fprintf(stderr, "Too high debugging level.\n"); + exit(1); + } break; case 'i': inetd_flag = 1; @@ -502,8 +535,10 @@ main(int ac, char **av) break; case 'p': options.ports_from_cmdline = 1; - if (options.num_ports >= MAX_PORTS) - fatal("too many ports.\n"); + if (options.num_ports >= MAX_PORTS) { + fprintf(stderr, "too many ports.\n"); + exit(1); + } options.ports[options.num_ports++] = atoi(optarg); break; case 'g': @@ -529,7 +564,7 @@ main(int ac, char **av) fprintf(stderr, "Usage: %s [options]\n", av0); fprintf(stderr, "Options:\n"); fprintf(stderr, " -f file Configuration file (default %s)\n", SERVER_CONFIG_FILE); - fprintf(stderr, " -d Debugging mode\n"); + fprintf(stderr, " -d Debugging mode (multiple -d means more debugging)\n"); fprintf(stderr, " -i Started from inetd\n"); fprintf(stderr, " -q Quiet (no logging)\n"); fprintf(stderr, " -p port Listen on the specified port (default: 22)\n"); |