Annotation of researchv10no/cmd/ether/ipconfig.c, revision 1.1

1.1     ! root        1: /*
        !             2:  *            I P  C O N F I G
        !             3:  *
        !             4:  * Ethernet IP protocol setup procedure.
        !             5:  * Invoked from 'netconfig' with fd 0 open to an ethernet channel.
        !             6:  *       Args: my-name his-name
        !             7:  *
        !             8:  *
        !             9:  * (c) Copyright 1985  Nirvonics, Inc.
        !            10:  *
        !            11:  * Written by Kurt Gollhardt
        !            12:  * Last update Mon Mar 18 16:33:11 1985
        !            13:  *
        !            14:  * This software is the property of Nirvonics, Inc.
        !            15:  * All rights reserved.
        !            16:  *
        !            17:  */
        !            18: 
        !            19: #include <stdio.h>
        !            20: #include <sys/ioctl.h>
        !            21: #include <sys/types.h>
        !            22: #include <sys/order.h>
        !            23: #include <sys/ethernet.h>
        !            24: 
        !            25: extern int ip_ld;
        !            26: int ip_type;
        !            27: 
        !            28: 
        !            29: main(ac,av)
        !            30:      char **av;
        !            31: {
        !            32:      char *me, *it;
        !            33:      unsigned long  myaddr, hisaddr;
        !            34: 
        !            35:      if (ioctl(0, FIOPUSHLD, &ip_ld) < 0) {
        !            36:          fprintf(stderr, "Can't push ip line discipline\n");
        !            37:          exit(1);
        !            38:      }
        !            39:      ip_type = hfirst_short(ETHERPUP_IPTYPE);
        !            40:      if (ioctl(0, ENIOTYPE, &ip_type) < 0) {
        !            41:          fprintf(stderr, "%s: Can't set ip type\n", av[0]);
        !            42:          exit(1);
        !            43:      }
        !            44: 
        !            45:      if (ac != 3) {
        !            46:          fprintf(stderr, "%s: args: my-name his-name\n", av[0]);
        !            47:          exit(1);
        !            48:      }
        !            49:      me = av[1];
        !            50:      it = av[2];
        !            51: 
        !            52:      myaddr = tcp_addr(me);
        !            53:      if(myaddr == 0){
        !            54:           fprintf(stderr, "ipconfig: unknown host %s\n", me);
        !            55:           exit(1);
        !            56:      }
        !            57:      hisaddr = tcp_addr(it);
        !            58:      if(hisaddr == 0){
        !            59:           fprintf(stderr, "ipconfig: unknown host/net %s\n", it);
        !            60:           exit(1);
        !            61:      }
        !            62: 
        !            63:      if (ioctl(0, IPIOLOCAL, &myaddr) < 0) {
        !            64:          fprintf(stderr, "%s: ", av[0]);
        !            65:          perror("IPIOLOCAL");
        !            66:          exit(1);
        !            67:      }
        !            68:      if (hisaddr & 0xff)
        !            69:          ioctl(0, IPIOHOST, &hisaddr);
        !            70:      else
        !            71:          ioctl(0, IPIONET, &hisaddr);
        !            72:      if (ioctl(0, IPIOARP, 0) < 0) {
        !            73:          fprintf(stderr, "%s: ", av[0]);
        !            74:          perror("IPIOARP");
        !            75:          exit(1);
        !            76:      }
        !            77: 
        !            78:      printf("%s: installed as %s on %s\n", av[0], me, it);
        !            79:      fflush(stdout);
        !            80: 
        !            81:      pause();
        !            82: }

unix.superglobalmegacorp.com

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.