Annotation of ansh/src/ansh3.c, revision 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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