Annotation of ansh/src/ansh3.c, revision 1.1.1.1.2.5
1.1 misho 1: /*************************************************************************
2: * (C) 2011 AITNET - Sofia/Bulgaria - <office@aitnet.org>
3: * by Michael Pounov <misho@elwix.org>
4: *
5: * $Author: misho $
1.1.1.1.2.5! misho 6: * $Id: ansh3.c,v 1.1.1.1.2.4 2011/10/13 16:08:52 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:
1.1.1.1.2.5! misho 50: intptr_t Kill;
! 51: int Timeout, Verbose;
1.1.1.1.2.2 misho 52: u_int Crypted;
1.1 misho 53:
54: extern char compiled[], compiledby[], compilehost[];
55:
56: static void
57: Usage()
58: {
59: printf( " -= ansh =- ELWIX Layer3 remote management client over ICMP\n"
60: "=== %s === %s@%s ===\n\n"
61: " Syntax: ansh [options] <connect2host>\n\n"
62: "\t-i <id>\tService ID (default is 42)\n"
63: "\t-t <timeout>\tClient session timeout (default is 0 sec)\n"
64: "\t-u\t\tSwitch to unencrypted traffic between hosts\n"
65: "\t-v\t\tVerbose (more -v, more verbosity ...)\n"
66: "\t-h\t\tThis help screen!\n"
67: "\n", compiled, compiledby, compilehost);
68: }
69:
70: int
71: main(int argc, char **argv)
72: {
73: struct sockaddr sa = { 0 };
74: struct sockaddr_in *sin4 = (struct sockaddr_in*) &sa;
75: struct sockaddr_in6 *sin6 = (struct sockaddr_in6*) &sa;
76: struct hostent *host;
77: char ch;
78: int h, len;
79: u_short id = ANSH_ID;
80:
1.1.1.1.2.2 misho 81: srandomdev();
82: do {
83: Crypted = (u_int) random() % UINT_MAX;
84: } while (!Crypted);
85:
1.1 misho 86: while ((ch = getopt(argc, argv, "hvui:t:")) != -1)
87: switch (ch) {
88: case 't':
89: Timeout = abs(strtol(optarg, NULL, 0));
90: break;
91: case 'i':
92: id = strtol(optarg, NULL, 0);
93: break;
94: case 'u':
95: Crypted ^= Crypted;
96: break;
97: case 'v':
98: Verbose++;
99: break;
100: case 'h':
101: default:
102: Usage();
103: return 1;
104: }
105: argc -= optind;
106: argv += optind;
107: if (!argc) {
108: printf("Error:: not specified address for connect ...\n");
109: return 1;
110: }
111:
112: host = gethostbyname(argv[0]);
113: if (!host) {
114: printf("Error:: in bind address '%s' #%d - %s\n",
115: argv[0], h_errno, hstrerror(h_errno));
116: return 1;
117: }
118: switch (host->h_addrtype) {
119: case AF_INET:
120: sin4->sin_len = sizeof(struct sockaddr_in);
121: sin4->sin_family = AF_INET;
122: memcpy(&sin4->sin_addr.s_addr, host->h_addr, host->h_length);
123: break;
124: case AF_INET6:
125: sin6->sin6_len = sizeof(struct sockaddr_in6);
126: sin6->sin6_family = AF_INET6;
127: memcpy(&sin6->sin6_addr.s6_addr, host->h_addr, host->h_length);
128: break;
129: default:
130: printf("Error:: Unknown address type %d !!!\n", host->h_addrtype);
131: return 1;
132: }
133:
134: h = PrepareL3(&sa, &len);
135: if (h == -1) {
136: printf("Error:: Descriptor not opened ... \n");
137: return 1;
138: }
139:
140: ConnectL3(h, id, &sa, len);
141:
1.1.1.1.2.3 misho 142: VERB(1) printf("\r\nFinish client.\r\n");
1.1 misho 143: close(h);
144: return 0;
145: }
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