1/*
2
3This code is not copyright, and is placed in the public domain. Feel free to
4use 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
11static const char rcsid[] =
12  "$FreeBSD$";
13#endif /* not lint */
14
15#include <ctype.h>
16#include <err.h>
17#include <netdb.h>
18#include <stdio.h>
19#include <stdlib.h>
20#include <string.h>
21#include <syslog.h>
22#include <unistd.h>
23#include <rpc/rpc.h>
24#include <rpc/pmap_clnt.h>
25#include <sys/ioctl.h>
26#include <sys/socket.h>
27#include <sys/stat.h>
28#include <sys/types.h>
29#include <netinet/in.h>
30#include <arpa/inet.h>
31#include "bootparam_prot.h"
32
33int debug = 0;
34int dolog = 0;
35in_addr_t route_addr = -1;
36struct sockaddr_in my_addr;
37char *bootpfile = "/etc/bootparams";
38
39extern  void bootparamprog_1();
40static void usage(void);
41
42int
43main(argc, argv)
44int argc;
45char **argv;
46{
47	SVCXPRT *transp;
48	struct hostent *he;
49	struct stat buf;
50	int c;
51
52	while ((c = getopt(argc, argv,"dsr:f:")) != -1)
53	  switch (c) {
54	  case 'd':
55	    debug = 1;
56	    break;
57	  case 'r':
58	      if (isdigit((unsigned char)*optarg)) {
59		route_addr = inet_addr(optarg);
60		break;
61	      } else {
62		he = gethostbyname(optarg);
63		if (he) {
64		   bcopy(he->h_addr, (char *)&route_addr, sizeof(route_addr));
65		   break;
66		} else {
67		   errx(1, "no such host %s", optarg);
68		}
69	      }
70	  case 'f':
71	    bootpfile = optarg;
72	    break;
73	  case 's':
74	    dolog = 1;
75#ifndef LOG_DAEMON
76	    openlog("bootparamd", 0 , 0);
77#else
78	    openlog("bootparamd", 0 , LOG_DAEMON);
79	    setlogmask(LOG_UPTO(LOG_NOTICE));
80#endif
81	    break;
82	  default:
83	    usage();
84	  }
85
86	if ( stat(bootpfile, &buf ) )
87	  err(1, "%s", bootpfile);
88
89	if (route_addr == -1) {
90	  get_myaddress(&my_addr);
91	  bcopy(&my_addr.sin_addr.s_addr, &route_addr, sizeof (route_addr));
92	}
93
94	if (!debug) {
95	  if (daemon(0,0))
96	    err(1, "fork");
97	}
98
99
100	(void)pmap_unset(BOOTPARAMPROG, BOOTPARAMVERS);
101
102	transp = svcudp_create(RPC_ANYSOCK);
103	if (transp == NULL)
104		errx(1, "cannot create udp service");
105	if (!svc_register(transp, BOOTPARAMPROG, BOOTPARAMVERS, bootparamprog_1, IPPROTO_UDP))
106		errx(1, "unable to register (BOOTPARAMPROG, BOOTPARAMVERS, udp)");
107
108	svc_run();
109	errx(1, "svc_run returned");
110}
111
112static void
113usage()
114{
115	fprintf(stderr,
116		"usage: bootparamd [-d] [-s] [-r router] [-f bootparmsfile]\n");
117	exit(1);
118}
119