diff options
Diffstat (limited to 'usr.sbin/bootpd/trygetif.c')
-rw-r--r-- | usr.sbin/bootpd/trygetif.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/usr.sbin/bootpd/trygetif.c b/usr.sbin/bootpd/trygetif.c new file mode 100644 index 000000000000..c6bb098ab03b --- /dev/null +++ b/usr.sbin/bootpd/trygetif.c @@ -0,0 +1,68 @@ +/* + * trygetif.c - test program for getif.c + */ + +#include <sys/types.h> +#include <sys/socket.h> + +#if defined(SUNOS) || defined(SVR4) +#include <sys/sockio.h> +#endif + +#include <net/if.h> /* for struct ifreq */ +#include <netinet/in.h> +#include <arpa/inet.h> /* inet_ntoa */ + +#include <netdb.h> +#include <stdio.h> +#include <ctype.h> +#include <errno.h> + +#include "getif.h" + +int debug = 0; +char *progname; + +main(argc, argv) + char **argv; +{ + struct hostent *hep; + struct sockaddr ea; /* Ethernet address */ + struct sockaddr_in *sip; /* Interface address */ + struct ifreq *ifr; + struct in_addr dst_addr; + struct in_addr *dap; + int i, s; + + progname = argv[0]; /* for report */ + + dap = NULL; + if (argc > 1) { + dap = &dst_addr; + if (isdigit(argv[1][0])) + dst_addr.s_addr = inet_addr(argv[1]); + else { + hep = gethostbyname(argv[1]); + if (!hep) { + printf("gethostbyname(%s)\n", argv[1]); + exit(1); + } + memcpy(&dst_addr, hep->h_addr, sizeof(dst_addr)); + } + } + s = socket(AF_INET, SOCK_DGRAM, 0); + if (s < 0) { + perror("socket open"); + exit(1); + } + ifr = getif(s, dap); + if (!ifr) { + printf("no interface for address\n"); + exit(1); + } + printf("Intf-name:%s\n", ifr->ifr_name); + sip = (struct sockaddr_in *) &(ifr->ifr_addr); + printf("Intf-addr:%s\n", inet_ntoa(sip->sin_addr)); + + exit(0); +} |