usr.sbin/portmap/pmap_set/pmap_set.c

   1  /*
   2   * pmap_set - set portmapper table from data produced by pmap_dump
   3   *
   4   * Author: Wietse Venema (wietse@wzv.win.tue.nl), dept. of Mathematics and
   5   * Computing Science, Eindhoven University of Technology, The Netherlands.
   6   */
   7
   8 /*
   9  * @(#) pmap_set.c 1.1 92/06/11 22:53:16
  10  * $FreeBSD: src/usr.sbin/portmap/pmap_set/pmap_set.c,v 1.6 2000/01/15 23:08:30 brian Exp $
  11  * $DragonFly: src/usr.sbin/portmap/pmap_set/pmap_set.c,v 1.4 2004/03/30 02:59:00 cpressey Exp $
  12  */
  13
  14 #include <sys/types.h>
  15 #ifdef SYSV40
  16 #include <netinet/in.h>
  17 #endif
  18 #include <rpc/rpc.h>
  19 #include <rpc/pmap_clnt.h>
  20
  21 #include <err.h>
  22 #include <stdio.h>
  23
  24 static int parse_line(char *, u_long *, u_long *, int *, unsigned *);
  25
  26 int
  27 main(int argc, char **argv)
  28 {
  29     struct sockaddr_in addr;
  30     char buf[BUFSIZ];
  31     u_long prog;
  32     u_long vers;
  33     int prot;
  34     unsigned port;
  35
  36     get_myaddress(&addr);
  37
  38     while (fgets(buf, sizeof(buf), stdin)) {
  39         if (parse_line(buf, &prog, &vers, &prot, &port) == 0) {
  40             warnx("malformed line: %s", buf);
  41             return (1);
  42         }
  43         if (pmap_set(prog, vers, prot, (unsigned short)port) == 0)
  44             warnx("not registered: %s", buf);
  45     }
  46     return (0);
  47 }
  48
  49 /* parse_line - convert line to numbers */
  50
  51 static int
  52 parse_line(char *buf, u_long *prog, u_long *vers, int *prot,
  53            unsigned int *port)
  54 {
  55     char proto_name[BUFSIZ];
  56
  57     if (sscanf(buf, "%lu %lu %s %u", prog, vers, proto_name, port) != 4) {
  58         return (0);
  59     }
  60     if (strcmp(proto_name, "tcp") == 0) {
  61         *prot = IPPROTO_TCP;
  62         return (1);
  63     }
  64     if (strcmp(proto_name, "udp") == 0) {
  65         *prot = IPPROTO_UDP;
  66         return (1);
  67     }
  68     if (sscanf(proto_name, "%d", prot) == 1) {
  69         return (1);
  70     }
  71     return (0);
  72 }