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: releng/10.3/usr.sbin/bootparamd/bootparamd/main.c 291042 2015-11-19 00:14:23Z ngie $"; 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 39static void usage(void); 40 41int 42main(int argc, char **argv) 43{ 44 SVCXPRT *transp; 45 struct hostent *he; 46 struct stat buf; 47 int c; 48 49 while ((c = getopt(argc, argv,"dsr:f:")) != -1) 50 switch (c) { 51 case 'd': 52 debug = 1; 53 break; 54 case 'r': 55 if (isdigit((unsigned char)*optarg)) { 56 route_addr = inet_addr(optarg); 57 break; 58 } else { 59 he = gethostbyname(optarg); 60 if (he) { 61 bcopy(he->h_addr, (char *)&route_addr, sizeof(route_addr)); 62 break; 63 } else { 64 errx(1, "no such host %s", optarg); 65 } 66 } 67 case 'f': 68 bootpfile = optarg; 69 break; 70 case 's': 71 dolog = 1; 72#ifndef LOG_DAEMON 73 openlog("bootparamd", 0 , 0); 74#else 75 openlog("bootparamd", 0 , LOG_DAEMON); 76 setlogmask(LOG_UPTO(LOG_NOTICE)); 77#endif 78 break; 79 default: 80 usage(); 81 } 82 83 if ( stat(bootpfile, &buf ) ) 84 err(1, "%s", bootpfile); 85 86 if (route_addr == -1) { 87 get_myaddress(&my_addr); 88 bcopy(&my_addr.sin_addr.s_addr, &route_addr, sizeof (route_addr)); 89 } 90 91 if (!debug) { 92 if (daemon(0,0)) 93 err(1, "fork"); 94 } 95 96 97 (void)pmap_unset(BOOTPARAMPROG, BOOTPARAMVERS); 98 99 transp = svcudp_create(RPC_ANYSOCK); 100 if (transp == NULL) 101 errx(1, "cannot create udp service"); 102 if (!svc_register(transp, BOOTPARAMPROG, BOOTPARAMVERS, bootparamprog_1, IPPROTO_UDP)) 103 errx(1, "unable to register (BOOTPARAMPROG, BOOTPARAMVERS, udp)"); 104 105 svc_run(); 106 errx(1, "svc_run returned"); 107} 108 109static void 110usage(void) 111{ 112 fprintf(stderr, 113 "usage: bootparamd [-d] [-s] [-r router] [-f bootparmsfile]\n"); 114 exit(1); 115} 116