/* Find all address associated with the NetBIOS name */
ssize_t SMBResolveNetBIOSName(const char * hostName, uint8_t nodeType,
uint32_t timeout, struct sockaddr_storage ** results)
{
int32_t outCount = 0;
*results = SMBResolveNetBIOSNameEx(hostName, nodeType, NULL, timeout, NULL, &outCount);
/* We didn't time out, report to the calling process that we had an error */
if (errno && (errno != EHOSTUNREACH)) {
return -1;
}
return outCount;
}
int
cmd_lookup(int argc, char *argv[])
{
char *hostname;
int opt;
struct sockaddr_storage *startAddr = NULL, *listAddr = NULL;
const char *winsServer = NULL;
int32_t ii, count = 0;
struct sockaddr_storage respAddr;
struct sockaddr_in *in4 = NULL;
struct sockaddr_in6 *in6 = NULL;
char addrStr[INET6_ADDRSTRLEN+1];
uint8_t nodeType = kNetBIOSFileServerService;
Boolean escapeNames= FALSE;
bzero(&respAddr, sizeof(respAddr));
if (argc < 2)
lookup_usage();
while ((opt = getopt(argc, argv, "ew:t:")) != EOF) {
switch(opt) {
case 'e':
escapeNames = TRUE;
break;
case 'w':
winsServer = optarg;
break;
case 't':
errno = 0;
nodeType = (uint8_t)strtol(optarg, NULL, 0);
if (errno)
errx(EX_DATAERR, "invalid value for node type");
break;
default:
lookup_usage();
/*NOTREACHED*/
}
}
if (optind >= argc)
lookup_usage();
hostname = getHostName(argv[argc - 1], escapeNames);
if (!hostname) {
err(EX_OSERR, "failed to resolve %s", argv[argc - 1]);
}
startAddr = listAddr = SMBResolveNetBIOSNameEx(hostname, nodeType, winsServer,
0, &respAddr, &count);
if (startAddr == NULL) {
err(EX_NOHOST, "unable to resolve %s", hostname);
}
if (respAddr.ss_family == AF_INET) {
in4 = (struct sockaddr_in *)&respAddr;
inet_ntop(respAddr.ss_family, &in4->sin_addr, addrStr, sizeof(addrStr));
} else if (respAddr.ss_family == AF_INET6) {
in6 = (struct sockaddr_in6 *)&respAddr;
inet_ntop(respAddr.ss_family, &in6->sin6_addr, addrStr, sizeof(addrStr));
} else {
strcpy(addrStr, "unknown address family");
}
fprintf(stdout, "Got response from %s\n", addrStr);
for (ii=0; ii < count; ii++) {
if (listAddr->ss_family == AF_INET) {
in4 = (struct sockaddr_in *)listAddr;
inet_ntop(listAddr->ss_family, &in4->sin_addr, addrStr, sizeof(addrStr));
} else if (respAddr.ss_family == AF_INET6) {
in6 = (struct sockaddr_in6 *)listAddr;
inet_ntop(respAddr.ss_family, &in6->sin6_addr, addrStr, sizeof(addrStr));
} else {
strcpy(addrStr, "unknown address family");
}
fprintf(stdout, "IP address of %s: %s\n", hostname, addrStr);
listAddr++;
}
if (startAddr) {
free(startAddr);
}
if (hostname) {
free(hostname);
}
return 0;
}
