commands/talkd/talkd.c

   1 /* talkd.c Copyright Michael Temari 07/22/1996 All Rights Reserved */
   2
   3 #include <sys/types.h>
   4 #include <stdio.h>
   5 #include <string.h>
   6 #include <unistd.h>
   7 #include <net/gen/in.h>
   8
   9 #include "talk.h"
  10 #include "talkd.h"
  11 #include "net.h"
  12 #include "process.h"
  13
  14 _PROTOTYPE(int main, (int argc, char *argv[]));
  15
  16 int opt_d = 0;
  17 char myhostname[HOST_SIZE+1];
  18
  19 int main(argc, argv)
  20 int argc;
  21 char *argv[];
  22 {
  23 struct talk_request request;
  24 struct talk_reply reply;
  25
  26    if(argc > 1)
  27         if(strcmp(argv[1], "-d") || argc > 2) {
  28                 fprintf(stderr, "Usage: talkd [-d]\n");
  29                 return(-1);
  30         } else
  31                 opt_d = 1;
  32
  33    if(getuid() != 0) {
  34         fprintf(stderr, "talkd: Must be run as super user\n");
  35         return(-1);
  36    }
  37
  38    if(gethostname(myhostname, HOST_SIZE) < 0) {
  39         fprintf(stderr, "talkd: Error getting hostname\n");
  40         return(-1);
  41    }
  42
  43    if(NetInit()) {
  44         fprintf(stderr, "talkd: Error in NetInit\n");
  45         return(-1);
  46    }
  47
  48    while(getrequest(&request) == 0) {
  49         if(processrequest(&request, &reply)) break;
  50         if(sendreply(&request, &reply)) break;
  51    }
  52
  53    return(-1);
  54 }