13229Spst/* 23229Spst * trygetif.c - test program for getif.c 318471Swosch * 450476Speter * $FreeBSD: releng/10.3/libexec/bootpd/trygetif.c 50476 1999-08-28 00:22:10Z peter $ 53229Spst */ 63229Spst 73229Spst#include <sys/types.h> 83229Spst#include <sys/socket.h> 93229Spst 103229Spst#if defined(SUNOS) || defined(SVR4) 113229Spst#include <sys/sockio.h> 123229Spst#endif 133229Spst 1413572Spst#ifdef _AIX32 1513572Spst#include <sys/time.h> /* for struct timeval in net/if.h */ 1613572Spst#endif 173229Spst#include <net/if.h> /* for struct ifreq */ 183229Spst#include <netinet/in.h> 193229Spst#include <arpa/inet.h> /* inet_ntoa */ 203229Spst 213229Spst#include <netdb.h> 223229Spst#include <stdio.h> 233229Spst#include <ctype.h> 243229Spst#include <errno.h> 253229Spst 263229Spst#include "getif.h" 273229Spst 283229Spstint debug = 0; 293229Spstchar *progname; 303229Spst 3113572Spstvoid 323229Spstmain(argc, argv) 3313572Spst int argc; 343229Spst char **argv; 353229Spst{ 363229Spst struct hostent *hep; 373229Spst struct sockaddr_in *sip; /* Interface address */ 383229Spst struct ifreq *ifr; 393229Spst struct in_addr dst_addr; 403229Spst struct in_addr *dap; 4113572Spst int s; 423229Spst 433229Spst progname = argv[0]; /* for report */ 443229Spst 453229Spst dap = NULL; 463229Spst if (argc > 1) { 473229Spst dap = &dst_addr; 4813572Spst if (isdigit(argv[1][0])) 4913572Spst dst_addr.s_addr = inet_addr(argv[1]); 5013572Spst else { 513229Spst hep = gethostbyname(argv[1]); 523229Spst if (!hep) { 533229Spst printf("gethostbyname(%s)\n", argv[1]); 543229Spst exit(1); 553229Spst } 563229Spst memcpy(&dst_addr, hep->h_addr, sizeof(dst_addr)); 573229Spst } 583229Spst } 593229Spst s = socket(AF_INET, SOCK_DGRAM, 0); 603229Spst if (s < 0) { 613229Spst perror("socket open"); 623229Spst exit(1); 633229Spst } 643229Spst ifr = getif(s, dap); 653229Spst if (!ifr) { 663229Spst printf("no interface for address\n"); 673229Spst exit(1); 683229Spst } 693229Spst printf("Intf-name:%s\n", ifr->ifr_name); 703229Spst sip = (struct sockaddr_in *) &(ifr->ifr_addr); 713229Spst printf("Intf-addr:%s\n", inet_ntoa(sip->sin_addr)); 723229Spst 733229Spst exit(0); 743229Spst} 75