int main(void) {
Buffer *b;
struct hostent *p = NULL;
struct hostent *q = NULL;
const char *name = "www.groupon.com";
fprintf(stderr, "[test.c] Looking up %s\n", name);
p = gethostbyname(name);
fprintf(stdout, "Before serialization\n");
print_hostent(p);
b = serialize_hostent(p);
q = deserialize_hostent(b);
fprintf(stdout, "After serialiation\n");
print_hostent(q);
free(b);
free(q);
return 0;
}
int
main (int argc, char **argv)
{
int ret;
int r = 1;
WSADATA wsd;
GUID prov;
GUID sc;
wchar_t *cmdl;
int wargc;
wchar_t **wargv;
if (WSAStartup(MAKEWORD(2,2), &wsd) != 0)
{
fprintf (stderr, "WSAStartup() failed: %lu\n", GetLastError());
return 5;
}
cmdl = GetCommandLineW ();
if (cmdl == NULL)
{
WSACleanup();
return 2;
}
wargv = CommandLineToArgvW (cmdl, &wargc);
if (wargv == NULL)
{
WSACleanup();
return 3;
}
r = 4;
if (wargc == 5)
{
if (wcscmp (wargv[1], L"A") == 0)
sc = SVCID_DNS_TYPE_A;
else if (wcscmp (wargv[1], L"AAAA") == 0)
sc = SVCID_DNS_TYPE_AAAA;
else if (wcscmp (wargv[1], L"name") == 0)
sc = SVCID_HOSTNAME;
else if (wcscmp (wargv[1], L"addr") == 0)
sc = SVCID_INET_HOSTADDRBYNAME;
else
wargc -= 1;
if (wcscmp (wargv[4], L"mswdns") == 0)
prov = W32_DNS;
else if (wcscmp (wargv[4], L"gnunetdns") == 0)
prov = GNUNET_NAMESPACE_PROVIDER_DNS;
else
wargc -= 1;
}
else if (wargc == 3)
{
}
else
{
fprintf (stderr, "Usage: %S <record type> <service name> <NSP library path> <NSP id>\n"
"record type - one of the following: A | AAAA | name | addr\n"
"service name - a string to resolve; \" \" (a space) means 'blank'\n"
"NSP library path - path to libw32nsp\n"
"NSP id - one of the following: mswdns | gnunetdns\n",
wargv[0]);
}
if (wargc == 5)
{
HMODULE nsp;
nsp = LoadLibraryW (wargv[3]);
if (nsp == NULL)
{
fprintf (stderr, "Failed to load library `%S'\n", wargv[3]);
}
else
{
LPNSPSTARTUP startup = (LPNSPSTARTUP) GetProcAddress (nsp, "NSPStartup");
if (startup == NULL)
startup = (LPNSPSTARTUP) GetProcAddress (nsp, "NSPStartup@8");
if (startup != NULL)
{
NSP_ROUTINE api;
api.cbSize = sizeof (api);
ret = startup (&prov, &api);
if (NO_ERROR != ret)
fprintf (stderr, "startup failed: %lu\n", GetLastError ());
else
{
HANDLE lookup;
WSAQUERYSETW search;
char buf[4096];
WSAQUERYSETW *result = (WSAQUERYSETW *) buf;
DWORD resultsize;
DWORD err;
memset (&search, 0, sizeof (search));
search.dwSize = sizeof (search);
search.lpszServiceInstanceName = (wcscmp (wargv[2], L" ") == 0) ? NULL : wargv[2];
search.lpServiceClassId = ≻
search.lpNSProviderId = &prov;
search.dwNameSpace = NS_ALL;
ret = api.NSPLookupServiceBegin (&prov, &search, NULL, LUP_RETURN_ALL, &lookup);
if (ret != NO_ERROR)
{
fprintf (stderr, "lookup start failed\n");
}
else
{
resultsize = 4096;
ret = api.NSPLookupServiceNext (lookup, LUP_RETURN_ALL, &resultsize, result);
err = GetLastError ();
if (ret != NO_ERROR)
{
fprintf (stderr, "lookup next failed: %lu\n", err);
}
else
{
int i;
printf ("Got result:\n");
printf (" lpszServiceInstanceName: %S\n", result->lpszServiceInstanceName ? result->lpszServiceInstanceName : L"NULL");
if (result->lpServiceClassId)
printf (" lpServiceClassId: { 0x%08lX,0x%04X,0x%04X, { 0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X } }\n",
result->lpServiceClassId->Data1, result->lpServiceClassId->Data2, result->lpServiceClassId->Data3, result->lpServiceClassId->Data4[0],
result->lpServiceClassId->Data4[1], result->lpServiceClassId->Data4[2], result->lpServiceClassId->Data4[3], result->lpServiceClassId->Data4[4],
result->lpServiceClassId->Data4[5], result->lpServiceClassId->Data4[6], result->lpServiceClassId->Data4[7]);
else
printf (" lpServiceClassId: NULL\n");
if (result->lpVersion)
printf (" lpVersion: 0x%08lX, %d\n", result->lpVersion->dwVersion, result->lpVersion->ecHow);
else
printf (" lpVersion: NULL\n");
printf (" lpszComment: %S\n", result->lpszComment ? result->lpszComment : L"NULL");
printf (" dwNameSpace: %lu\n", result->dwNameSpace);
if (result->lpNSProviderId)
printf (" lpNSProviderId: { 0x%08lX,0x%04X,0x%04X, { 0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X } }\n",
result->lpNSProviderId->Data1, result->lpNSProviderId->Data2, result->lpNSProviderId->Data3, result->lpNSProviderId->Data4[0],
result->lpNSProviderId->Data4[1], result->lpNSProviderId->Data4[2], result->lpNSProviderId->Data4[3], result->lpNSProviderId->Data4[4],
result->lpNSProviderId->Data4[5], result->lpNSProviderId->Data4[6], result->lpNSProviderId->Data4[7]);
else
printf (" lpNSProviderId: NULL\n");
printf (" lpszContext: %S\n", result->lpszContext ? result->lpszContext : L"NULL");
printf (" dwNumberOfProtocols: %lu\n", result->dwNumberOfProtocols);
printf (" lpszQueryString: %S\n", result->lpszQueryString ? result->lpszQueryString : L"NULL");
printf (" dwNumberOfCsAddrs: %lu\n", result->dwNumberOfCsAddrs);
for (i = 0; i < result->dwNumberOfCsAddrs; i++)
{
switch (result->lpcsaBuffer[i].iSocketType)
{
case SOCK_STREAM:
printf (" %d: iSocketType = SOCK_STREAM\n", i);
break;
case SOCK_DGRAM:
printf (" %d: iSocketType = SOCK_DGRAM\n", i);
break;
default:
printf (" %d: iSocketType = %d\n", i, result->lpcsaBuffer[i].iSocketType);
}
switch (result->lpcsaBuffer[i].iProtocol)
{
case IPPROTO_TCP:
printf (" %d: iProtocol = IPPROTO_TCP\n", i);
break;
case IPPROTO_UDP:
printf (" %d: iProtocol = IPPROTO_UDP\n", i);
break;
default:
printf (" %d: iProtocol = %d\n", i, result->lpcsaBuffer[i].iProtocol);
}
switch (result->lpcsaBuffer[i].LocalAddr.lpSockaddr->sa_family)
{
case AF_INET:
printf (" %d: loc family = AF_INET\n", i);
break;
case AF_INET6:
printf (" %d: loc family = AF_INET6\n", i);
break;
default:
printf (" %d: loc family = %hu\n", i, result->lpcsaBuffer[i].LocalAddr.lpSockaddr->sa_family);
}
switch (result->lpcsaBuffer[i].RemoteAddr.lpSockaddr->sa_family)
{
case AF_INET:
printf (" %d: rem family = AF_INET\n", i);
break;
case AF_INET6:
printf (" %d: rem family = AF_INET6\n", i);
break;
default:
printf (" %d: rem family = %hu\n", i, result->lpcsaBuffer[i].RemoteAddr.lpSockaddr->sa_family);
}
char buf[1024];
DWORD buflen = 1024;
if (NO_ERROR == WSAAddressToStringA (result->lpcsaBuffer[i].LocalAddr.lpSockaddr, result->lpcsaBuffer[i].LocalAddr.iSockaddrLength, NULL, buf, &buflen))
printf("\tLocal Address #%d: %s\n", i, buf);
else
printf("\tLocal Address #%d: Can't convert: %lu\n", i, GetLastError ());
buflen = 1024;
if (NO_ERROR == WSAAddressToStringA (result->lpcsaBuffer[i].RemoteAddr.lpSockaddr, result->lpcsaBuffer[i].RemoteAddr.iSockaddrLength, NULL, buf, &buflen))
printf("\tRemote Address #%d: %s\n", i, buf);
else
printf("\tRemote Address #%d: Can't convert: %lu\n", i, GetLastError ());
}
printf (" dwOutputFlags: 0x%08lX\n", result->dwOutputFlags);
printf (" lpBlob: 0x%p\n", result->lpBlob);
if (result->lpBlob)
{
struct hostent *he = malloc (result->lpBlob->cbSize);
if (he != NULL)
{
GNUNET_memcpy (he, result->lpBlob->pBlobData, result->lpBlob->cbSize);
UnpackHostEnt (he);
print_hostent (he);
free (he);
}
}
}
ret = api.NSPLookupServiceEnd (lookup);
if (ret != NO_ERROR)
printf ("NSPLookupServiceEnd() failed: %lu\n", GetLastError ());
}
api.NSPCleanup (&prov);
}
}
FreeLibrary (nsp);
}
}
else if (wargc == 3)
{
int s;
ADDRINFOW hints;
ADDRINFOW *result;
ADDRINFOW *pos;
memset (&hints, 0, sizeof (struct addrinfo));
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
if (0 != (s = GetAddrInfoW (wargv[2], NULL, &hints, &result)))
{
fprintf (stderr, "Cound not resolve `%S' using GetAddrInfoW: %lu\n",
wargv[2], GetLastError ());
}
else
{
for (pos = result; pos != NULL; pos = pos->ai_next)
{
wchar_t tmpbuf[1024];
DWORD buflen = 1024;
if (0 == WSAAddressToStringW (pos->ai_addr, pos->ai_addrlen, NULL, tmpbuf, &buflen))
fprintf (stderr, "Result:\n"
" flags: 0x%X\n"
" family: 0x%X\n"
" socktype: 0x%X\n"
" protocol: 0x%X\n"
" addrlen: %u\n"
" addr: %S\n"
" canonname: %S\n",
pos->ai_flags,
pos->ai_family,
pos->ai_socktype,
pos->ai_protocol,
pos->ai_addrlen,
tmpbuf,
pos->ai_canonname);
else
fprintf (stderr, "Result:\n"
" flags: 0x%X\n"
" family: 0x%X\n"
" socktype: 0x%X\n"
" protocol: 0x%X\n"
" addrlen: %u\n"
" addr: %S\n"
" canonname: %S\n",
pos->ai_flags,
pos->ai_family,
pos->ai_socktype,
pos->ai_protocol,
pos->ai_addrlen,
L"<can't stringify>",
pos->ai_canonname);
}
if (NULL != result)
FreeAddrInfoW (result);
}
}
WSACleanup();
return r;
}
int
main(int argc, char **argv)
{
static const struct option longopts[] = {
{ "help", 0, 0, 'h' },
{ "verbose", 0, 0, 'v' },
{ "node", 1, 0, 'n' },
{ "host", 1, 0, 'n' },
{ "ipv4", 0, 0, '4' },
{ "ipv6", 0, 0, '6' },
{ NULL, 0, 0, 0 }
};
static const char *opts = "hvn:46";
int opt, idx = 0;
char *nodename = NULL;
int family = 0;
while ((opt = getopt_long(argc, argv, opts, longopts, &idx)) != -1) {
switch (opt) {
case 'h':
fprintf(stderr,
"-h,--help -- help\n"
"-n,--node <nodename> -- node name\n"
"-4,--ipv4 -- IPv4 only query\n"
"-6,--ipv6 -- IPv6 only query\n");
exit(EXIT_SUCCESS);
case 'n':
nodename = optarg;
break;
case '4':
family = AF_INET;
break;
case '6':
family = AF_INET6;
break;
default:
exit(EXIT_FAILURE);
}
}
if (argv[optind])
nodename = argv[optind++];
if (argv[optind]) {
fprintf(stderr, "Too many arguments.");
exit(1);
}
printf("query:\n");
printf(" api = %s\n", family ? "gethostbyname2" : "gethostbyname");
if (family)
printf(" family = %d\n", family);
printf(" nodename = %s\n", nodename);
if (!nodename) {
fprintf(stderr, "Cannot query an empty nodename\n");
exit(1);
}
struct hostent *result = family ? gethostbyname2(nodename, family) : gethostbyname(nodename);
if (!result) {
printf("errno = %d\n", errno);
printf("h_errno = %d\n", h_errno);
exit(1);
}
printf("result:\n");
print_hostent(result);
}
int
main(int argc, char **argv)
{
static const struct option longopts[] = {
{ "help", 0, 0, 'h' },
{ "verbose", 0, 0, 'v' },
{ "address", 1, 0, 'a' },
{ NULL, 0, 0, 0 }
};
static const char *opts = "hva:";
int opt, idx = 0;
char *address_str = NULL;
char address[16];
int family, ifindex;
while ((opt = getopt_long(argc, argv, opts, longopts, &idx)) != -1) {
switch (opt) {
case 'h':
fprintf(stderr,
"-h,--help -- help\n"
"-a,--address <address> -- node name\n");
exit(EXIT_SUCCESS);
case 'a':
address_str = optarg;
break;
default:
exit(EXIT_FAILURE);
}
}
if (argv[optind])
address_str = argv[optind++];
if (argv[optind]) {
fprintf(stderr, "Too many arguments.");
exit(1);
}
printf("query:\n");
printf(" address = %s\n", address_str);
if (!address_str) {
fprintf(stderr, "Cannot query an empty address.\n");
exit(1);
}
parse_address(address_str, &address, &family, &ifindex);
if (ifindex) {
fprintf(stderr, "No ifindex/scope_id support in `gethostbyaddr()`.");
exit(1);
}
struct hostent *result = gethostbyaddr(&address, family == AF_INET ? 4 : 16, family);
if (!result) {
printf("errno = %d\n", errno);
printf("h_errno = %d\n", h_errno);
exit(1);
}
printf("result:\n");
print_hostent(result);
}
int
main (int argc, char **argv)
{
int ret;
int r = 1;
WSADATA wsd;
GUID *prov = NULL;
GUID *sc = NULL;
wchar_t *cmdl;
int wargc;
wchar_t **wargv;
if (WSAStartup(MAKEWORD(2,2), &wsd) != 0)
{
fprintf (stderr, "WSAStartup() failed: %lu\n", GetLastError());
return 5;
}
cmdl = GetCommandLineW ();
if (cmdl == NULL)
{
WSACleanup();
return 2;
}
wargv = CommandLineToArgvW (cmdl, &wargc);
if (wargv == NULL)
{
WSACleanup();
return 3;
}
r = 4;
if (wargc == 5)
{
if (wcscmp (wargv[1], L"A") == 0)
sc = &SVCID_DNS_TYPE_A;
else if (wcscmp (wargv[1], L"AAAA") == 0)
sc = &SVCID_DNS_TYPE_AAAA;
else if (wcscmp (wargv[1], L"name") == 0)
sc = &SVCID_HOSTNAME;
else if (wcscmp (wargv[1], L"addr") == 0)
sc = &SVCID_INET_HOSTADDRBYNAME;
else
wargc -= 1;
if (wcscmp (wargv[4], L"mswdns") == 0)
prov = &W32_DNS;
else if (wcscmp (wargv[4], L"gnunetdns") == 0)
prov = &GNUNET_NAMESPACE_PROVIDER_DNS;
else
wargc -= 1;
}
if (wargc == 5)
{
HMODULE nsp;
nsp = LoadLibraryW (wargv[3]);
if (nsp == NULL)
{
fprintf (stderr, "Failed to load library `%S'\n", wargv[3]);
}
else
{
LPNSPSTARTUP startup = (LPNSPSTARTUP) GetProcAddress (nsp, "NSPStartup");
if (startup != NULL)
{
NSP_ROUTINE api;
ret = startup (prov, &api);
if (NO_ERROR != ret)
fprintf (stderr, "startup failed\n");
else
{
HANDLE lookup;
WSAQUERYSETW search;
char buf[4096];
WSAQUERYSETW *result = (WSAQUERYSETW *) buf;
DWORD resultsize;
DWORD err;
memset (&search, 0, sizeof (search));
search.dwSize = sizeof (search);
search.lpszServiceInstanceName = (wcscmp (wargv[2], L" ") == 0) ? NULL : wargv[2];
search.lpServiceClassId = sc;
search.lpNSProviderId = prov;
search.dwNameSpace = NS_ALL;
ret = api.NSPLookupServiceBegin (prov, &search, NULL, LUP_RETURN_ALL, &lookup);
if (ret != NO_ERROR)
{
fprintf (stderr, "lookup start failed\n");
}
else
{
resultsize = 4096;
ret = api.NSPLookupServiceNext (lookup, LUP_RETURN_ALL, &resultsize, result);
err = GetLastError ();
if (ret != NO_ERROR)
{
fprintf (stderr, "lookup next failed\n");
}
else
{
int i;
printf ("Got result:\n");
printf (" lpszServiceInstanceName: %S\n", result->lpszServiceInstanceName ? result->lpszServiceInstanceName : L"NULL");
if (result->lpServiceClassId)
printf (" lpServiceClassId: { 0x%08lX,0x%04X,0x%04X, { 0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X } }\n",
result->lpServiceClassId->Data1, result->lpServiceClassId->Data2, result->lpServiceClassId->Data3, result->lpServiceClassId->Data4[0],
result->lpServiceClassId->Data4[1], result->lpServiceClassId->Data4[2], result->lpServiceClassId->Data4[3], result->lpServiceClassId->Data4[4],
result->lpServiceClassId->Data4[5], result->lpServiceClassId->Data4[6], result->lpServiceClassId->Data4[7]);
else
printf (" lpServiceClassId: NULL\n");
if (result->lpVersion)
printf (" lpVersion: 0x%08lX, %d\n", result->lpVersion->dwVersion, result->lpVersion->ecHow);
else
printf (" lpVersion: NULL\n");
printf (" lpszComment: %S\n", result->lpszComment ? result->lpszComment : L"NULL");
printf (" dwNameSpace: %lu\n", result->dwNameSpace);
if (result->lpNSProviderId)
printf (" lpNSProviderId: { 0x%08lX,0x%04X,0x%04X, { 0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X } }\n",
result->lpNSProviderId->Data1, result->lpNSProviderId->Data2, result->lpNSProviderId->Data3, result->lpNSProviderId->Data4[0],
result->lpNSProviderId->Data4[1], result->lpNSProviderId->Data4[2], result->lpNSProviderId->Data4[3], result->lpNSProviderId->Data4[4],
result->lpNSProviderId->Data4[5], result->lpNSProviderId->Data4[6], result->lpNSProviderId->Data4[7]);
else
printf (" lpNSProviderId: NULL\n");
printf (" lpszContext: %S\n", result->lpszContext ? result->lpszContext : L"NULL");
printf (" dwNumberOfProtocols: %lu\n", result->dwNumberOfProtocols);
printf (" lpszQueryString: %S\n", result->lpszQueryString ? result->lpszQueryString : L"NULL");
printf (" dwNumberOfCsAddrs: %lu\n", result->dwNumberOfCsAddrs);
for (i = 0; i < result->dwNumberOfCsAddrs; i++)
{
switch (result->lpcsaBuffer[i].iSocketType)
{
case SOCK_STREAM:
printf (" %d: iSocketType = SOCK_STREAM\n", i);
break;
case SOCK_DGRAM:
printf (" %d: iSocketType = SOCK_DGRAM\n", i);
break;
default:
printf (" %d: iSocketType = %d\n", i, result->lpcsaBuffer[i].iSocketType);
}
switch (result->lpcsaBuffer[i].iProtocol)
{
case IPPROTO_TCP:
printf (" %d: iProtocol = IPPROTO_TCP\n", i);
break;
case IPPROTO_UDP:
printf (" %d: iProtocol = IPPROTO_UDP\n", i);
break;
default:
printf (" %d: iProtocol = %d\n", i, result->lpcsaBuffer[i].iProtocol);
}
switch (result->lpcsaBuffer[i].LocalAddr.lpSockaddr->sa_family)
{
case AF_INET:
printf (" %d: loc family = AF_INET\n", i);
break;
case AF_INET6:
printf (" %d: loc family = AF_INET6\n", i);
break;
default:
printf (" %d: loc family = %hu\n", i, result->lpcsaBuffer[i].LocalAddr.lpSockaddr->sa_family);
}
switch (result->lpcsaBuffer[i].RemoteAddr.lpSockaddr->sa_family)
{
case AF_INET:
printf (" %d: rem family = AF_INET\n", i);
break;
case AF_INET6:
printf (" %d: rem family = AF_INET6\n", i);
break;
default:
printf (" %d: rem family = %hu\n", i, result->lpcsaBuffer[i].RemoteAddr.lpSockaddr->sa_family);
}
char buf[1024];
DWORD buflen = 1024;
if (NO_ERROR == WSAAddressToStringA (result->lpcsaBuffer[i].LocalAddr.lpSockaddr, result->lpcsaBuffer[i].LocalAddr.iSockaddrLength, NULL, buf, &buflen))
printf("\tLocal Address #%d: %s\n", i, buf);
else
printf("\tLocal Address #%d: Can't convert: %lu\n", i, GetLastError ());
buflen = 1024;
if (NO_ERROR == WSAAddressToStringA (result->lpcsaBuffer[i].RemoteAddr.lpSockaddr, result->lpcsaBuffer[i].RemoteAddr.iSockaddrLength, NULL, buf, &buflen))
printf("\tRemote Address #%d: %s\n", i, buf);
else
printf("\tRemote Address #%d: Can't convert: %lu\n", i, GetLastError ());
}
printf (" dwOutputFlags: 0x%08lX\n", result->dwOutputFlags);
printf (" lpBlob: 0x%p\n", result->lpBlob);
if (result->lpBlob)
{
struct hostent *he = malloc (result->lpBlob->cbSize);
if (he != NULL)
{
memcpy (he, result->lpBlob->pBlobData, result->lpBlob->cbSize);
UnpackHostEnt (he);
print_hostent (he);
free (he);
}
}
}
ret = api.NSPLookupServiceEnd (lookup);
if (ret != NO_ERROR)
printf ("NSPLookupServiceEnd() failed: %lu\n", GetLastError ());
}
api.NSPCleanup (prov);
}
}
FreeLibrary (nsp);
}
}
WSACleanup();
return r;
}
int
main(int argc, char *argv[])
{
int i, ch, aflag, family = AF_INET;
struct hostent *h;
char *host;
char addr[16];
int addrlen;
aflag = 0;
while((ch = getopt(argc, argv, "46ae")) != -1) {
switch(ch) {
case '4':
family = AF_INET;
break;
case '6':
family = AF_INET6;
break;
case 'a':
aflag = 1;
break;
case 'e':
long_err += 1;
break;
default:
usage();
/* NOTREACHED */
}
}
argc -= optind;
argv += optind;
for(i = 0; i < argc; i++) {
if (i)
printf("\n");
printf("===> \"%s\"\n", argv[i]);
host = gethostarg(argv[i]);
if (aflag && addr_from_str(addr, &family, &addrlen, host) == -1)
errx(1, "bad address");
errno = 0;
h_errno = 0;
gai_errno = 0;
rrset_errno = 0;
if (aflag == 0)
h = gethostbyname2(host, family);
else
h = gethostbyaddr(addr, addrlen, family);
if (h)
print_hostent(h);
print_errors();
}
return (0);
}
