Annotation of ansh/src/ansh3.c, revision 1.1.1.1
1.1 misho 1: /*************************************************************************
2: * (C) 2011 AITNET - Sofia/Bulgaria - <office@aitnet.org>
3: * by Michael Pounov <misho@elwix.org>
4: *
5: * $Author: misho $
6: * $Id: global.h,v 1.2 2011/06/08 12:45:40 misho Exp $
7: *
8: *************************************************************************/
9: #include "global.h"
10: #include "ansh.h"
11:
12:
13: int Timeout, Verbose, Kill, Crypted = 1;
14:
15: extern char compiled[], compiledby[], compilehost[];
16:
17: static void
18: Usage()
19: {
20: printf( " -= ansh =- ELWIX Layer3 remote management client over ICMP\n"
21: "=== %s === %s@%s ===\n\n"
22: " Syntax: ansh [options] <connect2host>\n\n"
23: "\t-i <id>\tService ID (default is 42)\n"
24: "\t-t <timeout>\tClient session timeout (default is 0 sec)\n"
25: "\t-u\t\tSwitch to unencrypted traffic between hosts\n"
26: "\t-v\t\tVerbose (more -v, more verbosity ...)\n"
27: "\t-h\t\tThis help screen!\n"
28: "\n", compiled, compiledby, compilehost);
29: }
30:
31: int
32: main(int argc, char **argv)
33: {
34: struct sockaddr sa = { 0 };
35: struct sockaddr_in *sin4 = (struct sockaddr_in*) &sa;
36: struct sockaddr_in6 *sin6 = (struct sockaddr_in6*) &sa;
37: struct hostent *host;
38: char ch;
39: int h, len;
40: u_short id = ANSH_ID;
41:
42: while ((ch = getopt(argc, argv, "hvui:t:")) != -1)
43: switch (ch) {
44: case 't':
45: Timeout = abs(strtol(optarg, NULL, 0));
46: break;
47: case 'i':
48: id = strtol(optarg, NULL, 0);
49: break;
50: case 'u':
51: Crypted ^= Crypted;
52: break;
53: case 'v':
54: Verbose++;
55: break;
56: case 'h':
57: default:
58: Usage();
59: return 1;
60: }
61: argc -= optind;
62: argv += optind;
63: if (!argc) {
64: printf("Error:: not specified address for connect ...\n");
65: return 1;
66: }
67:
68: host = gethostbyname(argv[0]);
69: if (!host) {
70: printf("Error:: in bind address '%s' #%d - %s\n",
71: argv[0], h_errno, hstrerror(h_errno));
72: return 1;
73: }
74: switch (host->h_addrtype) {
75: case AF_INET:
76: sin4->sin_len = sizeof(struct sockaddr_in);
77: sin4->sin_family = AF_INET;
78: memcpy(&sin4->sin_addr.s_addr, host->h_addr, host->h_length);
79: break;
80: case AF_INET6:
81: sin6->sin6_len = sizeof(struct sockaddr_in6);
82: sin6->sin6_family = AF_INET6;
83: memcpy(&sin6->sin6_addr.s6_addr, host->h_addr, host->h_length);
84: break;
85: default:
86: printf("Error:: Unknown address type %d !!!\n", host->h_addrtype);
87: return 1;
88: }
89:
90: h = PrepareL3(&sa, &len);
91: if (h == -1) {
92: printf("Error:: Descriptor not opened ... \n");
93: return 1;
94: }
95:
96: ConnectL3(h, id, &sa, len);
97:
98: VERB(1) printf("Finish client.\n");
99: close(h);
100: return 0;
101: }
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