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Annotation of researchv10no/cmd/ether/ipconfig.c, revision 1.1.1.1

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: }

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