main.c revision 50479 
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: head/usr.sbin/bootparamd/bootparamd/main.c 50479 1999-08-28 01:35:59Z peter $";
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;
35unsigned long route_addr = -1;
36struct sockaddr_in my_addr;
37char *bootpfile = "/etc/bootparams";
38
39extern  void bootparamprog_1();
40static void usage __P((void));
41
42int
43main(argc, argv)
44int argc;
45char **argv;
46{
47	SVCXPRT *transp;
48	int i;
49	struct hostent *he;
50	struct stat buf;
51	char c;
52
53	while ((c = getopt(argc, argv,"dsr:f:")) != -1)
54	  switch (c) {
55	  case 'd':
56	    debug = 1;
57	    break;
58	  case 'r':
59	      if ( isdigit( *optarg)) {
60		route_addr = inet_addr(optarg);
61		break;
62	      } else {
63		he = gethostbyname(optarg);
64		if (he) {
65		   bcopy(he->h_addr, (char *)&route_addr, sizeof(route_addr));
66		   break;
67		} else {
68		   errx(1, "no such host %s", argv[i]);
69		}
70	      }
71	  case 'f':
72	    bootpfile = optarg;
73	    break;
74	  case 's':
75	    dolog = 1;
76#ifndef LOG_DAEMON
77	    openlog("bootparamd", 0 , 0);
78#else
79	    openlog("bootparamd", 0 , LOG_DAEMON);
80	    setlogmask(LOG_UPTO(LOG_NOTICE));
81#endif
82	    break;
83	  default:
84	    usage();
85	  }
86
87	if ( stat(bootpfile, &buf ) )
88	  err(1, "%s", bootpfile);
89
90	if (route_addr == -1) {
91	  get_myaddress(&my_addr);
92	  bcopy(&my_addr.sin_addr.s_addr, &route_addr, sizeof (route_addr));
93	}
94
95	if (!debug) {
96	  if (daemon(0,0))
97	    err(1, "fork");
98	}
99
100
101	(void)pmap_unset(BOOTPARAMPROG, BOOTPARAMVERS);
102
103	transp = svcudp_create(RPC_ANYSOCK);
104	if (transp == NULL)
105		errx(1, "cannot create udp service");
106	if (!svc_register(transp, BOOTPARAMPROG, BOOTPARAMVERS, bootparamprog_1, IPPROTO_UDP))
107		errx(1, "unable to register (BOOTPARAMPROG, BOOTPARAMVERS, udp)");
108
109	svc_run();
110	errx(1, "svc_run returned");
111}
112
113static void
114usage()
115{
116	fprintf(stderr,
117		"usage: bootparamd [-d] [-s] [-r router] [-f bootparmsfile]\n");
118	exit(1);
119}
120