annotate cli-main.c @ 425:1afa503e33f5

Disable core dumps
author Matt Johnston <matt@ucc.asn.au>
date Mon, 12 Feb 2007 10:43:44 +0000
parents 0cfba3034be5
children e3db1f7a2e43
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74
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1 /*
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2 * Dropbear - a SSH2 server
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3 * SSH client implementation
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4 *
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5 * Copyright (c) 2002,2003 Matt Johnston
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6 * Copyright (c) 2004 by Mihnea Stoenescu
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7 * All rights reserved.
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8 *
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9 * Permission is hereby granted, free of charge, to any person obtaining a copy
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10 * of this software and associated documentation files (the "Software"), to deal
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11 * in the Software without restriction, including without limitation the rights
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12 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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13 * copies of the Software, and to permit persons to whom the Software is
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14 * furnished to do so, subject to the following conditions:
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15 *
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16 * The above copyright notice and this permission notice shall be included in
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17 * all copies or substantial portions of the Software.
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18 *
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19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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22 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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23 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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24 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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25 * SOFTWARE. */
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26
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27 #include "includes.h"
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28 #include "dbutil.h"
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29 #include "runopts.h"
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30 #include "session.h"
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31
33
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32 static void cli_dropbear_exit(int exitcode, const char* format, va_list param);
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33 static void cli_dropbear_log(int priority, const char* format, va_list param);
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34
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35 #if defined(DBMULTI_dbclient) || !defined(DROPBEAR_MULTI)
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36 #if defined(DBMULTI_dbclient) && defined(DROPBEAR_MULTI)
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37 int cli_main(int argc, char ** argv) {
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38 #else
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39 int main(int argc, char ** argv) {
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40 #endif
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41
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42 int sock;
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43 char* error = NULL;
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44 char* hostandport;
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45 int len;
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46
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47 _dropbear_exit = cli_dropbear_exit;
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48 _dropbear_log = cli_dropbear_log;
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49
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50 disallow_core();
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51
26
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52 cli_getopts(argc, argv);
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53
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54 TRACE(("user='%s' host='%s' port='%s'", cli_opts.username,
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55 cli_opts.remotehost, cli_opts.remoteport))
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56
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57 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR) {
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58 dropbear_exit("signal() error");
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59 }
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60
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61 sock = connect_remote(cli_opts.remotehost, cli_opts.remoteport,
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62 0, &error);
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63
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64 if (sock < 0) {
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65 dropbear_exit("%s", error);
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66 }
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67
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68 /* Set up the host:port log */
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69 len = strlen(cli_opts.remotehost);
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70 len += 10; /* 16 bit port and leeway*/
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71 hostandport = (char*)m_malloc(len);
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72 snprintf(hostandport, len, "%s:%s",
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73 cli_opts.remotehost, cli_opts.remoteport);
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74
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75 cli_session(sock, hostandport);
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76
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77 /* not reached */
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78 return -1;
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79 }
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80 #endif /* DBMULTI stuff */
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81
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82 static void cli_dropbear_exit(int exitcode, const char* format, va_list param) {
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83
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84 char fmtbuf[300];
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85
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86 if (!sessinitdone) {
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87 snprintf(fmtbuf, sizeof(fmtbuf), "exited: %s",
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88 format);
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89 } else {
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90 snprintf(fmtbuf, sizeof(fmtbuf),
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91 "connection to %[email protected]%s:%s exited: %s",
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92 cli_opts.username, cli_opts.remotehost,
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93 cli_opts.remoteport, format);
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94 }
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95
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96 /* Do the cleanup first, since then the terminal will be reset */
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97 cli_session_cleanup();
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98 common_session_cleanup();
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99
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100 _dropbear_log(LOG_INFO, fmtbuf, param);
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101
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102 exit(exitcode);
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103 }
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104
108
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105 static void cli_dropbear_log(int UNUSED(priority),
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106 const char* format, va_list param) {
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107
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108 char printbuf[1024];
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109
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110 vsnprintf(printbuf, sizeof(printbuf), format, param);
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111
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112 fprintf(stderr, "%s: %s\n", cli_opts.progname, printbuf);
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113
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114 }