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(&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 bool_t
52 eachres_getfile(bp_getfile_res *resultp, struct sockaddr_in *raddr)
53 {
54   struct hostent *he;
55 
56   he = gethostbyaddr(&raddr->sin_addr.s_addr,4,AF_INET);
57   printf("%s answered:\n", he ? he->h_name : inet_ntoa(raddr->sin_addr));
58   printgetfile(resultp);
59   printf("\n");
60   return(0);
61 }
62 
63 
64 int
65 main(int argc, char **argv)
66 {
67   char *server;
68 
69   bp_whoami_arg whoami_arg;
70   bp_whoami_res *whoami_res, stat_whoami_res;
71   bp_getfile_arg getfile_arg;
72   bp_getfile_res *getfile_res, stat_getfile_res;
73 
74 
75   long the_inet_addr;
76   CLIENT *clnt;
77   enum clnt_stat clnt_stat;
78 
79   stat_whoami_res.client_name = cln;
80   stat_whoami_res.domain_name = dmn;
81 
82   stat_getfile_res.server_name = cln;
83   stat_getfile_res.server_path = path;
84 
85   if (argc < 3)
86     usage();
87 
88   server = argv[1];
89   if ( ! strcmp(server , "all") ) broadcast = 1;
90 
91   if ( ! broadcast ) {
92     clnt = clnt_create(server,BOOTPARAMPROG, BOOTPARAMVERS, "udp");
93   }
94 
95   if ( clnt == NULL )
96      errx(1, "could not contact bootparam server on host %s", server);
97 
98   switch (argc) {
99   case 3:
100     whoami_arg.client_address.address_type = IP_ADDR_TYPE;
101     the_inet_addr = inet_addr(argv[2]);
102     if ( the_inet_addr == -1)
103       errx(2, "bogus addr %s", argv[2]);
104     bcopy(&the_inet_addr,&whoami_arg.client_address.bp_address_u.ip_addr,4);
105 
106     if (! broadcast ) {
107       whoami_res = bootparamproc_whoami_1(&whoami_arg, clnt);
108       printf("Whoami returning:\n");
109       if (printwhoami(whoami_res)) {
110 	errx(1, "bad answer returned from server %s", server);
111       } else
112 	exit(0);
113      } else {
114        clnt_stat=clnt_broadcast(BOOTPARAMPROG, BOOTPARAMVERS,
115 			       BOOTPARAMPROC_WHOAMI,
116 			       (xdrproc_t)xdr_bp_whoami_arg, &whoami_arg,
117 			       (xdrproc_t)xdr_bp_whoami_res, &stat_whoami_res,
118 			       (resultproc_t)eachres_whoami);
119        exit(0);
120      }
121 
122   case 4:
123 
124     getfile_arg.client_name = argv[2];
125     getfile_arg.file_id = argv[3];
126 
127     if (! broadcast ) {
128       getfile_res = bootparamproc_getfile_1(&getfile_arg,clnt);
129       printf("getfile returning:\n");
130       if (printgetfile(getfile_res)) {
131 	errx(1, "bad answer returned from server %s", server);
132       } else
133 	exit(0);
134     } else {
135       clnt_stat=clnt_broadcast(BOOTPARAMPROG, BOOTPARAMVERS,
136 			       BOOTPARAMPROC_GETFILE,
137 			       (xdrproc_t)xdr_bp_getfile_arg, &getfile_arg,
138 			       (xdrproc_t)xdr_bp_getfile_res, &stat_getfile_res,
139 			       (resultproc_t)eachres_getfile);
140       exit(0);
141     }
142 
143   default:
144 
145     usage();
146   }
147 
148 }
149 
150 
151 static void
152 usage(void)
153 {
154 	fprintf(stderr,
155 		"usage: callbootd server procnum (IP-addr | host fileid)\n");
156     exit(1);
157 }
158 
159 int
160 printwhoami(bp_whoami_res *res)
161 {
162       if ( res) {
163 	printf("client_name:\t%s\ndomain_name:\t%s\n",
164 	     res->client_name, res->domain_name);
165 	printf("router:\t%d.%d.%d.%d\n",
166 	     255 &  res->router_address.bp_address_u.ip_addr.net,
167 	     255 & res->router_address.bp_address_u.ip_addr.host,
168 	     255 &  res->router_address.bp_address_u.ip_addr.lh,
169 	     255 & res->router_address.bp_address_u.ip_addr.impno);
170 	return(0);
171       } else {
172 	warnx("null answer!!!");
173 	return(1);
174       }
175     }
176 
177 
178 
179 
180 int
181 printgetfile(bp_getfile_res *res)
182 {
183       if (res) {
184 	printf("server_name:\t%s\nserver_address:\t%s\npath:\t%s\n",
185 	       res->server_name,
186 	       inet_ntoa(*(struct in_addr *)&res->server_address.bp_address_u.ip_addr),
187 	       res->server_path);
188 	return(0);
189       } else {
190 	warnx("null answer!!!");
191 	return(1);
192       }
193     }
194