release/src/router/portmap/pmap_dump.c

   1  /*
   2   * pmap_dump - dump portmapper table in format readable by pmap_set
   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 #include <stdio.h>
   9 #include <sys/types.h>
  10 #ifdef SYSV40
  11 #include <netinet/in.h>
  12 #include <rpc/rpcent.h>
  13 #else
  14 #include <netdb.h>
  15 #endif
  16 #include <rpc/rpc.h>
  17 #include <rpc/pmap_clnt.h>
  18 #include <rpc/pmap_prot.h>
  19
  20 static char *protoname(u_long proto);
  21
  22 int
  23 main(int argc, char **argv)
  24 {
  25     struct sockaddr_in addr;
  26     struct pmaplist *list;
  27     struct rpcent *rpc;
  28
  29     memset(&addr, 0, sizeof(addr));
  30     addr.sin_family = AF_INET;
  31     addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
  32     addr.sin_port = htons(PMAPPORT);
  33
  34     for (list = pmap_getmaps(&addr); list; list = list->pml_next) {
  35         rpc = getrpcbynumber((int) list->pml_map.pm_prog);
  36         printf("%10lu %4lu %5s %6lu  %s\n",
  37                list->pml_map.pm_prog,
  38                list->pml_map.pm_vers,
  39                protoname(list->pml_map.pm_prot),
  40                list->pml_map.pm_port,
  41                rpc ? rpc->r_name : "");
  42     }
  43     return (fclose(stdout) ? (perror(argv[0]), 1) : 0);
  44 }
  45
  46 static char *protoname(u_long proto)
  47 {
  48     static char buf[BUFSIZ];
  49
  50     switch (proto) {
  51     case IPPROTO_UDP:
  52         return ("udp");
  53     case IPPROTO_TCP:
  54         return ("tcp");
  55     default:
  56         sprintf(buf, "%lu", proto);
  57         return (buf);
  58     }
  59 }