Annotation of ansh/src/ansh.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: ansh.c,v 1.1.1.1.2.4 2011/10/13 14:29:30 misho Exp $
1.1       misho       7:  *
1.1.1.1.2.5! 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;
1.1.1.1.2.1  misho      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 Layer2 remote management client\n"
                     59:                "=== %s === %s@%s ===\n\n"
                     60:                " Syntax: ansh [options] <connect2host>\n\n"
                     61:                "\t-d <dev>\tBind to host interface, like 'em0' (default is first host interface)\n"
1.1.1.1.2.2  misho      62:                "\t-t <timeout>\tClient session timeout (default is 0 sec)\n"
1.1       misho      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:        char ch, szDev[STRSIZ] = { 0 };
                     73:        int h, len;
                     74:        struct ether_addr ea;
                     75: 
1.1.1.1.2.2  misho      76:        srandomdev();
                     77:        do {
                     78:                Crypted = (u_int) random() % UINT_MAX;
                     79:        } while (!Crypted);
                     80: 
1.1       misho      81:        Get1stEth(szDev, STRSIZ);
                     82: 
1.1.1.1.2.3  misho      83:        while ((ch = getopt(argc, argv, "hvut:d:")) != -1)
1.1       misho      84:                switch (ch) {
1.1.1.1.2.2  misho      85:                        case 't':
                     86:                                Timeout = abs(strtol(optarg, NULL, 0));
                     87:                                break;
1.1       misho      88:                        case 'd':
                     89:                                strlcpy(szDev, optarg, sizeof szDev);
                     90:                                break;
                     91:                        case 'u':
                     92:                                Crypted ^= Crypted;
                     93:                                break;
                     94:                        case 'v':
                     95:                                Verbose++;
                     96:                                break;
                     97:                        case 'h':
                     98:                        default:
                     99:                                Usage();
                    100:                                return 1;
                    101:                }
                    102:        argc -= optind;
                    103:        argv += optind;
                    104:        if (!argc) {
                    105:                printf("Error:: not specified mac for connect ...\n");
                    106:                return 1;
                    107:        }
                    108:        if (!ether_aton_r(argv[0], &ea)) {
                    109:                printf("Error:: invalid mac ...\n");
                    110:                return 1;
                    111:        }
                    112: 
                    113:        h = PrepareL2(szDev, &len);
                    114:        if (h == -1) {
                    115:                printf("Error:: Descriptor not opened ... \n");
                    116:                return 1;
                    117:        }
                    118: 
1.1.1.1.2.3  misho     119:        ConnectL2(h, &ea, len);
1.1       misho     120: 
1.1.1.1.2.4  misho     121:        VERB(1) printf("\r\nFinish client.\r\n");
1.1       misho     122:        close(h);
                    123:        return 0;
                    124: }

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