xref: /freebsd/usr.sbin/bootparamd/callbootd/callbootd.c (revision f4b37ed0f8b307b1f3f0f630ca725d68f1dff30d)
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 #ifndef lint
11 static const char rcsid[] =
12   "$FreeBSD$";
13 #endif /* not lint */
14 
15 #include "bootparam_prot.h"
16 #include <rpc/rpc.h>
17 #include <sys/types.h>
18 #include <sys/socket.h>
19 #include <netinet/in.h>
20 #include <arpa/inet.h>
21 #include <err.h>
22 #include <netdb.h>
23 #include <stdlib.h>
24 
25 
26 /* #define bp_address_u bp_address */
27 #include <stdio.h>
28 #include <string.h>
29 
30 int broadcast;
31 
32 char cln[MAX_MACHINE_NAME+1];
33 char dmn[MAX_MACHINE_NAME+1];
34 char path[MAX_PATH_LEN+1];
35 extern char *inet_ntoa();
36 static void usage(void);
37 int printgetfile(bp_getfile_res *);
38 int printwhoami(bp_whoami_res *);
39 
40 bool_t
41 eachres_whoami(resultp, raddr)
42 bp_whoami_res *resultp;
43 struct sockaddr_in *raddr;
44 {
45   struct hostent *he;
46 
47   he = gethostbyaddr((char *)&raddr->sin_addr.s_addr,4,AF_INET);
48   printf("%s answered:\n", he ? he->h_name : inet_ntoa(raddr->sin_addr));
49   printwhoami(resultp);
50   printf("\n");
51   return(0);
52 }
53 
54 bool_t
55 eachres_getfile(resultp, raddr)
56 bp_getfile_res *resultp;
57 struct sockaddr_in *raddr;
58 {
59   struct hostent *he;
60 
61   he = gethostbyaddr((char *)&raddr->sin_addr.s_addr,4,AF_INET);
62   printf("%s answered:\n", he ? he->h_name : inet_ntoa(raddr->sin_addr));
63   printgetfile(resultp);
64   printf("\n");
65   return(0);
66 }
67 
68 
69 int
70 main(argc, argv)
71 int argc;
72 char **argv;
73 {
74   char *server;
75 
76   bp_whoami_arg whoami_arg;
77   bp_whoami_res *whoami_res, stat_whoami_res;
78   bp_getfile_arg getfile_arg;
79   bp_getfile_res *getfile_res, stat_getfile_res;
80 
81 
82   long the_inet_addr;
83   CLIENT *clnt;
84 
85   stat_whoami_res.client_name = cln;
86   stat_whoami_res.domain_name = dmn;
87 
88   stat_getfile_res.server_name = cln;
89   stat_getfile_res.server_path = path;
90 
91   if (argc < 3)
92     usage();
93 
94   server = argv[1];
95   if ( ! strcmp(server , "all") ) broadcast = 1;
96 
97   if ( ! broadcast ) {
98     clnt = clnt_create(server,BOOTPARAMPROG, BOOTPARAMVERS, "udp");
99     if ( clnt == NULL )
100       errx(1, "could not contact bootparam server on host %s", server);
101   }
102 
103   switch (argc) {
104   case 3:
105     whoami_arg.client_address.address_type = IP_ADDR_TYPE;
106     the_inet_addr = inet_addr(argv[2]);
107     if ( the_inet_addr == INADDR_NONE)
108       errx(2, "bogus addr %s", argv[2]);
109     bcopy(&the_inet_addr,&whoami_arg.client_address.bp_address_u.ip_addr,4);
110 
111     if (! broadcast ) {
112       whoami_res = bootparamproc_whoami_1(&whoami_arg, clnt);
113       printf("Whoami returning:\n");
114       if (printwhoami(whoami_res)) {
115 	errx(1, "bad answer returned from server %s", server);
116       } else
117 	exit(0);
118      } else {
119        (void)clnt_broadcast(BOOTPARAMPROG, BOOTPARAMVERS,
120 			       BOOTPARAMPROC_WHOAMI,
121 			       (xdrproc_t)xdr_bp_whoami_arg,
122 			       (char *)&whoami_arg,
123 			       (xdrproc_t)xdr_bp_whoami_res,
124 			       (char *)&stat_whoami_res,
125 			       (resultproc_t)eachres_whoami);
126        exit(0);
127      }
128 
129   case 4:
130 
131     getfile_arg.client_name = argv[2];
132     getfile_arg.file_id = argv[3];
133 
134     if (! broadcast ) {
135       getfile_res = bootparamproc_getfile_1(&getfile_arg,clnt);
136       printf("getfile returning:\n");
137       if (printgetfile(getfile_res)) {
138 	errx(1, "bad answer returned from server %s", server);
139       } else
140 	exit(0);
141     } else {
142       (void)clnt_broadcast(BOOTPARAMPROG, BOOTPARAMVERS,
143 			       BOOTPARAMPROC_GETFILE,
144 			       (xdrproc_t)xdr_bp_getfile_arg,
145 			       (char *)&getfile_arg,
146 			       (xdrproc_t)xdr_bp_getfile_res,
147 			       (char *)&stat_getfile_res,
148 			       (resultproc_t)eachres_getfile);
149       exit(0);
150     }
151 
152   default:
153 
154     usage();
155   }
156 
157 }
158 
159 
160 static void
161 usage()
162 {
163 	fprintf(stderr,
164 		"usage: callbootd server procnum (IP-addr | host fileid)\n");
165     exit(1);
166 }
167 
168 int
169 printwhoami(res)
170 bp_whoami_res *res;
171 {
172       if ( res) {
173 	printf("client_name:\t%s\ndomain_name:\t%s\n",
174 	     res->client_name, res->domain_name);
175 	printf("router:\t%d.%d.%d.%d\n",
176 	     255 &  res->router_address.bp_address_u.ip_addr.net,
177 	     255 & res->router_address.bp_address_u.ip_addr.host,
178 	     255 &  res->router_address.bp_address_u.ip_addr.lh,
179 	     255 & res->router_address.bp_address_u.ip_addr.impno);
180 	return(0);
181       } else {
182 	warnx("null answer!!!");
183 	return(1);
184       }
185     }
186 
187 
188 
189 
190 int
191 printgetfile(res)
192 bp_getfile_res *res;
193 {
194       if (res) {
195 	printf("server_name:\t%s\nserver_address:\t%s\npath:\t%s\n",
196 	       res->server_name,
197 	       inet_ntoa(*(struct in_addr *)&res->server_address.bp_address_u.ip_addr),
198 	       res->server_path);
199 	return(0);
200       } else {
201 	warnx("null answer!!!");
202 	return(1);
203       }
204     }
205