Annotation of ansh/src/ansh3.c, revision 1.1.1.1.2.6
1.1 misho 1: /*************************************************************************
2: * (C) 2011 AITNET - Sofia/Bulgaria - <office@aitnet.org>
3: * by Michael Pounov <misho@elwix.org>
4: *
5: * $Author: misho $
1.1.1.1.2.6! misho 6: * $Id: ansh3.c,v 1.1.1.1.2.5 2011/10/14 07:47:21 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;
1.1.1.1.2.6! misho 53: char Key[STRSIZ];
1.1 misho 54:
55: extern char compiled[], compiledby[], compilehost[];
56:
57: static void
58: Usage()
59: {
60: printf( " -= ansh =- ELWIX Layer3 remote management client over ICMP\n"
61: "=== %s === %s@%s ===\n\n"
62: " Syntax: ansh [options] <connect2host>\n\n"
63: "\t-i <id>\tService ID (default is 42)\n"
64: "\t-t <timeout>\tClient session timeout (default is 0 sec)\n"
1.1.1.1.2.6! misho 65: "\t-k <key>\tService cipher key\n"
1.1 misho 66: "\t-u\t\tSwitch to unencrypted traffic between hosts\n"
67: "\t-v\t\tVerbose (more -v, more verbosity ...)\n"
68: "\t-h\t\tThis help screen!\n"
69: "\n", compiled, compiledby, compilehost);
70: }
71:
72: int
73: main(int argc, char **argv)
74: {
75: struct sockaddr sa = { 0 };
76: struct sockaddr_in *sin4 = (struct sockaddr_in*) &sa;
77: struct sockaddr_in6 *sin6 = (struct sockaddr_in6*) &sa;
78: struct hostent *host;
79: char ch;
80: int h, len;
81: u_short id = ANSH_ID;
82:
1.1.1.1.2.2 misho 83: srandomdev();
84: do {
85: Crypted = (u_int) random() % UINT_MAX;
86: } while (!Crypted);
87:
1.1.1.1.2.6! misho 88: strlcpy(Key, DEFAULT_KEY, sizeof Key);
! 89:
! 90: while ((ch = getopt(argc, argv, "hvui:t:k:")) != -1)
1.1 misho 91: switch (ch) {
92: case 't':
93: Timeout = abs(strtol(optarg, NULL, 0));
94: break;
95: case 'i':
96: id = strtol(optarg, NULL, 0);
97: break;
1.1.1.1.2.6! misho 98: case 'k':
! 99: strlcpy(Key, optarg, sizeof Key);
! 100: break;
1.1 misho 101: case 'u':
102: Crypted ^= Crypted;
103: break;
104: case 'v':
105: Verbose++;
106: break;
107: case 'h':
108: default:
109: Usage();
110: return 1;
111: }
112: argc -= optind;
113: argv += optind;
114: if (!argc) {
115: printf("Error:: not specified address for connect ...\n");
116: return 1;
117: }
118:
119: host = gethostbyname(argv[0]);
120: if (!host) {
121: printf("Error:: in bind address '%s' #%d - %s\n",
122: argv[0], h_errno, hstrerror(h_errno));
123: return 1;
124: }
125: switch (host->h_addrtype) {
126: case AF_INET:
127: sin4->sin_len = sizeof(struct sockaddr_in);
128: sin4->sin_family = AF_INET;
129: memcpy(&sin4->sin_addr.s_addr, host->h_addr, host->h_length);
130: break;
131: case AF_INET6:
132: sin6->sin6_len = sizeof(struct sockaddr_in6);
133: sin6->sin6_family = AF_INET6;
134: memcpy(&sin6->sin6_addr.s6_addr, host->h_addr, host->h_length);
135: break;
136: default:
137: printf("Error:: Unknown address type %d !!!\n", host->h_addrtype);
138: return 1;
139: }
140:
141: h = PrepareL3(&sa, &len);
142: if (h == -1) {
143: printf("Error:: Descriptor not opened ... \n");
144: return 1;
145: }
146:
147: ConnectL3(h, id, &sa, len);
148:
1.1.1.1.2.3 misho 149: VERB(1) printf("\r\nFinish client.\r\n");
1.1 misho 150: close(h);
151: return 0;
152: }
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