Annotation of ansh/src/ansh3.c, revision 1.1.1.1.2.4
1.1 misho 1: /*************************************************************************
2: * (C) 2011 AITNET - Sofia/Bulgaria - <office@aitnet.org>
3: * by Michael Pounov <misho@elwix.org>
4: *
5: * $Author: misho $
1.1.1.1.2.4! misho 6: * $Id: ansh3.c,v 1.1.1.1.2.3 2011/10/13 14:29:30 misho Exp $
1.1 misho 7: *
1.1.1.1.2.4! misho 8: *************************************************************************
! 9: The ELWIX and AITNET software is distributed under the following
! 10: terms:
! 11:
! 12: All of the documentation and software included in the ELWIX and AITNET
! 13: Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
! 14:
! 15: Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
! 16: by Michael Pounov <misho@elwix.org>. All rights reserved.
! 17:
! 18: Redistribution and use in source and binary forms, with or without
! 19: modification, are permitted provided that the following conditions
! 20: are met:
! 21: 1. Redistributions of source code must retain the above copyright
! 22: notice, this list of conditions and the following disclaimer.
! 23: 2. Redistributions in binary form must reproduce the above copyright
! 24: notice, this list of conditions and the following disclaimer in the
! 25: documentation and/or other materials provided with the distribution.
! 26: 3. All advertising materials mentioning features or use of this software
! 27: must display the following acknowledgement:
! 28: This product includes software developed by Michael Pounov <misho@elwix.org>
! 29: ELWIX - Embedded LightWeight unIX and its contributors.
! 30: 4. Neither the name of AITNET nor the names of its contributors
! 31: may be used to endorse or promote products derived from this software
! 32: without specific prior written permission.
! 33:
! 34: THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
! 35: ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 36: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 37: ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 38: FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 39: DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 40: OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 41: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 42: LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 43: OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 44: SUCH DAMAGE.
! 45: */
1.1 misho 46: #include "global.h"
47: #include "ansh.h"
48:
49:
1.1.1.1.2.2 misho 50: int Timeout, Verbose, Kill;
51: u_int Crypted;
1.1 misho 52:
53: extern char compiled[], compiledby[], compilehost[];
54:
55: static void
56: Usage()
57: {
58: printf( " -= ansh =- ELWIX Layer3 remote management client over ICMP\n"
59: "=== %s === %s@%s ===\n\n"
60: " Syntax: ansh [options] <connect2host>\n\n"
61: "\t-i <id>\tService ID (default is 42)\n"
62: "\t-t <timeout>\tClient session timeout (default is 0 sec)\n"
63: "\t-u\t\tSwitch to unencrypted traffic between hosts\n"
64: "\t-v\t\tVerbose (more -v, more verbosity ...)\n"
65: "\t-h\t\tThis help screen!\n"
66: "\n", compiled, compiledby, compilehost);
67: }
68:
69: int
70: main(int argc, char **argv)
71: {
72: struct sockaddr sa = { 0 };
73: struct sockaddr_in *sin4 = (struct sockaddr_in*) &sa;
74: struct sockaddr_in6 *sin6 = (struct sockaddr_in6*) &sa;
75: struct hostent *host;
76: char ch;
77: int h, len;
78: u_short id = ANSH_ID;
79:
1.1.1.1.2.2 misho 80: srandomdev();
81: do {
82: Crypted = (u_int) random() % UINT_MAX;
83: } while (!Crypted);
84:
1.1 misho 85: while ((ch = getopt(argc, argv, "hvui:t:")) != -1)
86: switch (ch) {
87: case 't':
88: Timeout = abs(strtol(optarg, NULL, 0));
89: break;
90: case 'i':
91: id = strtol(optarg, NULL, 0);
92: break;
93: case 'u':
94: Crypted ^= Crypted;
95: break;
96: case 'v':
97: Verbose++;
98: break;
99: case 'h':
100: default:
101: Usage();
102: return 1;
103: }
104: argc -= optind;
105: argv += optind;
106: if (!argc) {
107: printf("Error:: not specified address for connect ...\n");
108: return 1;
109: }
110:
111: host = gethostbyname(argv[0]);
112: if (!host) {
113: printf("Error:: in bind address '%s' #%d - %s\n",
114: argv[0], h_errno, hstrerror(h_errno));
115: return 1;
116: }
117: switch (host->h_addrtype) {
118: case AF_INET:
119: sin4->sin_len = sizeof(struct sockaddr_in);
120: sin4->sin_family = AF_INET;
121: memcpy(&sin4->sin_addr.s_addr, host->h_addr, host->h_length);
122: break;
123: case AF_INET6:
124: sin6->sin6_len = sizeof(struct sockaddr_in6);
125: sin6->sin6_family = AF_INET6;
126: memcpy(&sin6->sin6_addr.s6_addr, host->h_addr, host->h_length);
127: break;
128: default:
129: printf("Error:: Unknown address type %d !!!\n", host->h_addrtype);
130: return 1;
131: }
132:
133: h = PrepareL3(&sa, &len);
134: if (h == -1) {
135: printf("Error:: Descriptor not opened ... \n");
136: return 1;
137: }
138:
139: ConnectL3(h, id, &sa, len);
140:
1.1.1.1.2.3 misho 141: VERB(1) printf("\r\nFinish client.\r\n");
1.1 misho 142: close(h);
143: return 0;
144: }
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