xref: /freebsd/usr.sbin/bootparamd/callbootd/callbootd.c (revision 5521ff5a4d1929056e7ffc982fac3341ca54df7c)
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 
24 
25 /* #define bp_address_u bp_address */
26 #include <stdio.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 __P((void));
36 int printgetfile __P((bp_getfile_res *));
37 int printwhoami __P((bp_whoami_res *));
38 
39 int
40 eachres_whoami(resultp, raddr)
41 bp_whoami_res *resultp;
42 struct sockaddr_in *raddr;
43 {
44   struct hostent *he;
45 
46   he = gethostbyaddr((char *)&raddr->sin_addr.s_addr,4,AF_INET);
47   printf("%s answered:\n", he ? he->h_name : inet_ntoa(raddr->sin_addr));
48   printwhoami(resultp);
49   printf("\n");
50   return(0);
51 }
52 
53 eachres_getfile(resultp, raddr)
54 bp_getfile_res *resultp;
55 struct sockaddr_in *raddr;
56 {
57   struct hostent *he;
58 
59   he = gethostbyaddr((char *)&raddr->sin_addr.s_addr,4,AF_INET);
60   printf("%s answered:\n", he ? he->h_name : inet_ntoa(raddr->sin_addr));
61   printgetfile(resultp);
62   printf("\n");
63   return(0);
64 }
65 
66 
67 int
68 main(argc, argv)
69 int argc;
70 char **argv;
71 {
72   char *server;
73 
74   bp_whoami_arg whoami_arg;
75   bp_whoami_res *whoami_res, stat_whoami_res;
76   bp_getfile_arg getfile_arg;
77   bp_getfile_res *getfile_res, stat_getfile_res;
78 
79 
80   long the_inet_addr;
81   CLIENT *clnt;
82   enum clnt_stat clnt_stat;
83 
84   stat_whoami_res.client_name = cln;
85   stat_whoami_res.domain_name = dmn;
86 
87   stat_getfile_res.server_name = cln;
88   stat_getfile_res.server_path = path;
89 
90   if (argc < 3)
91     usage();
92 
93   server = argv[1];
94   if ( ! strcmp(server , "all") ) broadcast = 1;
95 
96   if ( ! broadcast ) {
97     clnt = clnt_create(server,BOOTPARAMPROG, BOOTPARAMVERS, "udp");
98   }
99 
100   if ( clnt == NULL )
101      errx(1, "could not contact bootparam server on host %s", server);
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 == -1)
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        clnt_stat=clnt_broadcast(BOOTPARAMPROG, BOOTPARAMVERS,
120 			       BOOTPARAMPROC_WHOAMI,
121 			       (xdrproc_t)xdr_bp_whoami_arg, (char *)&whoami_arg,
122 			       xdr_bp_whoami_res, (char *)&stat_whoami_res,
123 			       (resultproc_t)eachres_whoami);
124        exit(0);
125      }
126 
127   case 4:
128 
129     getfile_arg.client_name = argv[2];
130     getfile_arg.file_id = argv[3];
131 
132     if (! broadcast ) {
133       getfile_res = bootparamproc_getfile_1(&getfile_arg,clnt);
134       printf("getfile returning:\n");
135       if (printgetfile(getfile_res)) {
136 	errx(1, "bad answer returned from server %s", server);
137       } else
138 	exit(0);
139     } else {
140       clnt_stat=clnt_broadcast(BOOTPARAMPROG, BOOTPARAMVERS,
141 			       BOOTPARAMPROC_GETFILE,
142 			       xdr_bp_getfile_arg, (char *)&getfile_arg,
143 			       xdr_bp_getfile_res, (char *)&stat_getfile_res,
144 			       (resultproc_t)eachres_getfile);
145       exit(0);
146     }
147 
148   default:
149 
150     usage();
151   }
152 
153 }
154 
155 
156 static void
157 usage()
158 {
159 	fprintf(stderr,
160 		"usage: callbootd server procnum (IP-addr | host fileid)\n");
161     exit(1);
162 }
163 
164 int
165 printwhoami(res)
166 bp_whoami_res *res;
167 {
168       if ( res) {
169 	printf("client_name:\t%s\ndomain_name:\t%s\n",
170 	     res->client_name, res->domain_name);
171 	printf("router:\t%d.%d.%d.%d\n",
172 	     255 &  res->router_address.bp_address_u.ip_addr.net,
173 	     255 & res->router_address.bp_address_u.ip_addr.host,
174 	     255 &  res->router_address.bp_address_u.ip_addr.lh,
175 	     255 & res->router_address.bp_address_u.ip_addr.impno);
176 	return(0);
177       } else {
178 	warnx("null answer!!!");
179 	return(1);
180       }
181     }
182 
183 
184 
185 
186 int
187 printgetfile(res)
188 bp_getfile_res *res;
189 {
190       if (res) {
191 	printf("server_name:\t%s\nserver_address:\t%s\npath:\t%s\n",
192 	       res->server_name,
193 	       inet_ntoa(*(struct in_addr *)&res->server_address.bp_address_u.ip_addr),
194 	       res->server_path);
195 	return(0);
196       } else {
197 	warnx("null answer!!!");
198 	return(1);
199       }
200     }
201