xref: /freebsd/usr.sbin/bootparamd/callbootd/callbootd.c (revision d8a0fe102c0cfdfcd5b818f850eff09d8536c9bc)
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 static void usage(void);
36 int printgetfile(bp_getfile_res *);
37 int printwhoami(bp_whoami_res *);
38 
39 static bool_t
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 static bool_t
52 eachres_getfile(bp_getfile_res *resultp, struct sockaddr_in *raddr)
53 {
54   struct hostent *he;
55 
56   he = gethostbyaddr((char *)&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 
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     if ( clnt == NULL )
93       errx(1, "could not contact bootparam server on host %s", server);
94   }
95 
96   switch (argc) {
97   case 3:
98     whoami_arg.client_address.address_type = IP_ADDR_TYPE;
99     the_inet_addr = inet_addr(argv[2]);
100     if ( the_inet_addr == INADDR_NONE)
101       errx(2, "bogus addr %s", argv[2]);
102     bcopy(&the_inet_addr,&whoami_arg.client_address.bp_address_u.ip_addr,4);
103 
104     if (! broadcast ) {
105       whoami_res = bootparamproc_whoami_1(&whoami_arg, clnt);
106       printf("Whoami returning:\n");
107       if (printwhoami(whoami_res)) {
108 	errx(1, "bad answer returned from server %s", server);
109       } else
110 	exit(0);
111      } else {
112        (void)clnt_broadcast(BOOTPARAMPROG, BOOTPARAMVERS,
113 			       BOOTPARAMPROC_WHOAMI,
114 			       (xdrproc_t)xdr_bp_whoami_arg,
115 			       (char *)&whoami_arg,
116 			       (xdrproc_t)xdr_bp_whoami_res,
117 			       (char *)&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       (void)clnt_broadcast(BOOTPARAMPROG, BOOTPARAMVERS,
136 			       BOOTPARAMPROC_GETFILE,
137 			       (xdrproc_t)xdr_bp_getfile_arg,
138 			       (char *)&getfile_arg,
139 			       (xdrproc_t)xdr_bp_getfile_res,
140 			       (char *)&stat_getfile_res,
141 			       (resultproc_t)eachres_getfile);
142       exit(0);
143     }
144 
145   default:
146 
147     usage();
148   }
149 
150 }
151 
152 
153 static void
154 usage()
155 {
156 	fprintf(stderr,
157 		"usage: callbootd server procnum (IP-addr | host fileid)\n");
158     exit(1);
159 }
160 
161 int
162 printwhoami(res)
163 bp_whoami_res *res;
164 {
165       if ( res) {
166 	printf("client_name:\t%s\ndomain_name:\t%s\n",
167 	     res->client_name, res->domain_name);
168 	printf("router:\t%d.%d.%d.%d\n",
169 	     255 &  res->router_address.bp_address_u.ip_addr.net,
170 	     255 & res->router_address.bp_address_u.ip_addr.host,
171 	     255 &  res->router_address.bp_address_u.ip_addr.lh,
172 	     255 & res->router_address.bp_address_u.ip_addr.impno);
173 	return(0);
174       } else {
175 	warnx("null answer!!!");
176 	return(1);
177       }
178     }
179 
180 
181 
182 
183 int
184 printgetfile(res)
185 bp_getfile_res *res;
186 {
187       if (res) {
188 	printf("server_name:\t%s\nserver_address:\t%s\npath:\t%s\n",
189 	       res->server_name,
190 	       inet_ntoa(*(struct in_addr *)&res->server_address.bp_address_u.ip_addr),
191 	       res->server_path);
192 	return(0);
193       } else {
194 	warnx("null answer!!!");
195 	return(1);
196       }
197     }
198