usr.sbin/bootparamd/callbootd/callbootd.c

   1 /*
   2
   3 This code is not copyright, and is placed in the public domain. Feel free to
   4 use and modify. Please send modifications and/or suggestions + bug fixes to
   5
   6         Klas Heggemann <klas@nada.kth.se>
   7
   8 */
   9
  10 /*
  11  * $FreeBSD: src/usr.sbin/bootparamd/callbootd/callbootd.c,v 1.8 1999/08/28 01:15:40 peter Exp $
  12  * $DragonFly: src/usr.sbin/bootparamd/callbootd/callbootd.c,v 1.5 2007/11/25 01:28:24 swildner Exp $
  13  */
  14 #include "bootparam_prot.h"
  15 #include <rpc/rpc.h>
  16 #include <sys/types.h>
  17 #include <sys/socket.h>
  18 #include <netinet/in.h>
  19 #include <arpa/inet.h>
  20 #include <err.h>
  21 #include <netdb.h>
  22
  23
  24 /* #define bp_address_u bp_address */
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27 #include <string.h>
  28
  29 int broadcast;
  30
  31 char cln[MAX_MACHINE_NAME+1];
  32 char dmn[MAX_MACHINE_NAME+1];
  33 char path[MAX_PATH_LEN+1];
  34 extern char *inet_ntoa();
  35 static void usage(void);
  36 int printgetfile(bp_getfile_res *);
  37 int printwhoami(bp_whoami_res *);
  38
  39 int
  40 eachres_whoami(bp_whoami_res *resultp, struct sockaddr_in *raddr)
  41 {
  42   struct hostent *he;
  43
  44   he = gethostbyaddr((char *)&raddr->sin_addr.s_addr,4,AF_INET);
  45   printf("%s answered:\n", he ? he->h_name : inet_ntoa(raddr->sin_addr));
  46   printwhoami(resultp);
  47   printf("\n");
  48   return(0);
  49 }
  50
  51 eachres_getfile(bp_getfile_res *resultp, struct sockaddr_in *raddr)
  52 {
  53   struct hostent *he;
  54
  55   he = gethostbyaddr((char *)&raddr->sin_addr.s_addr,4,AF_INET);
  56   printf("%s answered:\n", he ? he->h_name : inet_ntoa(raddr->sin_addr));
  57   printgetfile(resultp);
  58   printf("\n");
  59   return(0);
  60 }
  61
  62
  63 int
  64 main(int argc, char **argv)
  65 {
  66   char *server;
  67
  68   bp_whoami_arg whoami_arg;
  69   bp_whoami_res *whoami_res, stat_whoami_res;
  70   bp_getfile_arg getfile_arg;
  71   bp_getfile_res *getfile_res, stat_getfile_res;
  72
  73
  74   long the_inet_addr;
  75   CLIENT *clnt;
  76   enum clnt_stat clnt_stat;
  77
  78   stat_whoami_res.client_name = cln;
  79   stat_whoami_res.domain_name = dmn;
  80
  81   stat_getfile_res.server_name = cln;
  82   stat_getfile_res.server_path = path;
  83
  84   if (argc < 3)
  85     usage();
  86
  87   server = argv[1];
  88   if ( ! strcmp(server , "all") ) broadcast = 1;
  89
  90   if ( ! broadcast ) {
  91     clnt = clnt_create(server,BOOTPARAMPROG, BOOTPARAMVERS, "udp");
  92   }
  93
  94   if ( clnt == NULL )
  95      errx(1, "could not contact bootparam server on host %s", server);
  96
  97   switch (argc) {
  98   case 3:
  99     whoami_arg.client_address.address_type = IP_ADDR_TYPE;
 100     the_inet_addr = inet_addr(argv[2]);
 101     if ( the_inet_addr == -1)
 102       errx(2, "bogus addr %s", argv[2]);
 103     bcopy(&the_inet_addr,&whoami_arg.client_address.bp_address_u.ip_addr,4);
 104
 105     if (! broadcast ) {
 106       whoami_res = bootparamproc_whoami_1(&whoami_arg, clnt);
 107       printf("Whoami returning:\n");
 108       if (printwhoami(whoami_res)) {
 109         errx(1, "bad answer returned from server %s", server);
 110       } else
 111         exit(0);
 112      } else {
 113        clnt_stat=clnt_broadcast(BOOTPARAMPROG, BOOTPARAMVERS,
 114                                BOOTPARAMPROC_WHOAMI,
 115                                xdr_bp_whoami_arg, &whoami_arg,
 116                                xdr_bp_whoami_res, &stat_whoami_res, eachres_whoami);
 117        exit(0);
 118      }
 119
 120   case 4:
 121
 122     getfile_arg.client_name = argv[2];
 123     getfile_arg.file_id = argv[3];
 124
 125     if (! broadcast ) {
 126       getfile_res = bootparamproc_getfile_1(&getfile_arg,clnt);
 127       printf("getfile returning:\n");
 128       if (printgetfile(getfile_res)) {
 129         errx(1, "bad answer returned from server %s", server);
 130       } else
 131         exit(0);
 132     } else {
 133       clnt_stat=clnt_broadcast(BOOTPARAMPROG, BOOTPARAMVERS,
 134                                BOOTPARAMPROC_GETFILE,
 135                                xdr_bp_getfile_arg, &getfile_arg,
 136                                xdr_bp_getfile_res, &stat_getfile_res,eachres_getfile);
 137       exit(0);
 138     }
 139
 140   default:
 141
 142     usage();
 143   }
 144
 145 }
 146
 147
 148 static void
 149 usage(void)
 150 {
 151         fprintf(stderr,
 152                 "usage: callbootd server procnum (IP-addr | host fileid)\n");
 153     exit(1);
 154 }
 155
 156 int
 157 printwhoami(bp_whoami_res *res)
 158 {
 159       if ( res) {
 160         printf("client_name:\t%s\ndomain_name:\t%s\n",
 161              res->client_name, res->domain_name);
 162         printf("router:\t%d.%d.%d.%d\n",
 163              255 &  res->router_address.bp_address_u.ip_addr.net,
 164              255 & res->router_address.bp_address_u.ip_addr.host,
 165              255 &  res->router_address.bp_address_u.ip_addr.lh,
 166              255 & res->router_address.bp_address_u.ip_addr.impno);
 167         return(0);
 168       } else {
 169         warnx("null answer!!!");
 170         return(1);
 171       }
 172     }
 173
 174
 175
 176
 177 int
 178 printgetfile(bp_getfile_res *res)
 179 {
 180       if (res) {
 181         printf("server_name:\t%s\nserver_address:\t%s\npath:\t%s\n",
 182                res->server_name,
 183                inet_ntoa(*(struct in_addr *)&res->server_address.bp_address_u.ip_addr),
 184                res->server_path);
 185         return(0);
 186       } else {
 187         warnx("null answer!!!");
 188         return(1);
 189       }
 190     }