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Annotation of embedaddon/libpdel/net/test/arptest.c, revision 1.1

1.1     ! misho       1: 
        !             2: /*
        !             3:  * Copyright (c) 2001-2002 Packet Design, LLC.
        !             4:  * All rights reserved.
        !             5:  * 
        !             6:  * Subject to the following obligations and disclaimer of warranty,
        !             7:  * use and redistribution of this software, in source or object code
        !             8:  * forms, with or without modifications are expressly permitted by
        !             9:  * Packet Design; provided, however, that:
        !            10:  * 
        !            11:  *    (i)  Any and all reproductions of the source or object code
        !            12:  *         must include the copyright notice above and the following
        !            13:  *         disclaimer of warranties; and
        !            14:  *    (ii) No rights are granted, in any manner or form, to use
        !            15:  *         Packet Design trademarks, including the mark "PACKET DESIGN"
        !            16:  *         on advertising, endorsements, or otherwise except as such
        !            17:  *         appears in the above copyright notice or in the software.
        !            18:  * 
        !            19:  * THIS SOFTWARE IS BEING PROVIDED BY PACKET DESIGN "AS IS", AND
        !            20:  * TO THE MAXIMUM EXTENT PERMITTED BY LAW, PACKET DESIGN MAKES NO
        !            21:  * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING
        !            22:  * THIS SOFTWARE, INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED
        !            23:  * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE,
        !            24:  * OR NON-INFRINGEMENT.  PACKET DESIGN DOES NOT WARRANT, GUARANTEE,
        !            25:  * OR MAKE ANY REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS
        !            26:  * OF THE USE OF THIS SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY,
        !            27:  * RELIABILITY OR OTHERWISE.  IN NO EVENT SHALL PACKET DESIGN BE
        !            28:  * LIABLE FOR ANY DAMAGES RESULTING FROM OR ARISING OUT OF ANY USE
        !            29:  * OF THIS SOFTWARE, INCLUDING WITHOUT LIMITATION, ANY DIRECT,
        !            30:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, PUNITIVE, OR CONSEQUENTIAL
        !            31:  * DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, LOSS OF
        !            32:  * USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY THEORY OF
        !            33:  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
        !            34:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
        !            35:  * THE USE OF THIS SOFTWARE, EVEN IF PACKET DESIGN IS ADVISED OF
        !            36:  * THE POSSIBILITY OF SUCH DAMAGE.
        !            37:  *
        !            38:  * Author: Archie Cobbs <archie@freebsd.org>
        !            39:  */
        !            40: 
        !            41: #include <sys/types.h>
        !            42: #include <sys/socket.h>
        !            43: #include <net/ethernet.h>
        !            44: #include <netinet/in.h>
        !            45: #include <arpa/inet.h>
        !            46: 
        !            47: #include <stdio.h>
        !            48: #include <unistd.h>
        !            49: #include <err.h>
        !            50: 
        !            51: #include <pdel/net/if_util.h>
        !            52: 
        !            53: int
        !            54: main(int ac, char **av)
        !            55: {
        !            56:        struct ether_addr *ea;
        !            57:        const u_char *ether = NULL;
        !            58:        struct in_addr ip;
        !            59:        int publish = 0;
        !            60:        int temp = 0;
        !            61:        int ch;
        !            62: 
        !            63:        while ((ch = getopt(ac, av, "tp")) != -1) {
        !            64:                switch (ch) {
        !            65:                case 't':
        !            66:                        temp = 1;
        !            67:                        break;
        !            68:                case 'p':
        !            69:                        publish = 1;
        !            70:                        break;
        !            71:                default:
        !            72:                        goto usage;
        !            73:                }
        !            74:        }
        !            75:        ac -= optind;
        !            76:        av += optind;
        !            77: 
        !            78:        /* set command */
        !            79:        if ((ac == 2 || ac == 3) && strcmp(av[0], "set") == 0) {
        !            80:                if (ac == 3) {
        !            81:                        if ((ea = ether_aton(av[2])) == NULL)
        !            82:                                goto usage;
        !            83:                        ether = ea->octet;
        !            84:                }
        !            85:                if (!inet_aton(av[1], &ip))
        !            86:                        goto usage;
        !            87:                if (if_set_arp(ip, ether, temp, publish) == -1)
        !            88:                        err(1, "if_set_arp");
        !            89:                return (0);
        !            90:        }
        !            91: 
        !            92:        /* flush command */
        !            93:        if (ac == 1 && strcmp(av[0], "flush") == 0) {
        !            94:                if (if_flush_arp() == -1)
        !            95:                        err(1, "if_flush_arp");
        !            96:                return (0);
        !            97:        }
        !            98: 
        !            99:        /* get command */
        !           100:        if (ac == 2 && strcmp(av[0], "get") == 0) {
        !           101:                struct ether_addr mac;
        !           102: 
        !           103:                if (!inet_aton(av[1], &ip))
        !           104:                        goto usage;
        !           105:                if (if_get_arp(ip, (u_char *)&mac) == -1)
        !           106:                        err(1, "%s", inet_ntoa(ip));
        !           107:                printf("%s is at %s\n", inet_ntoa(ip), ether_ntoa(&mac));
        !           108:                return (0);
        !           109:        }
        !           110: 
        !           111: usage:
        !           112:        /* Unknown usage */
        !           113:        (void)fprintf(stderr, "Usage: arptest"
        !           114:            " < [-tp] set ip [ether] | flush | get ip >\n");
        !           115:        exit(1);
        !           116: }
        !           117: