static int
testGetHostByName(const void *opaque)
{
const struct testNSSData *data = opaque;
const bool existent = data->hostname && data->ipAddr && data->ipAddr[0];
int ret = -1;
struct hostent resolved;
char buf[BUF_SIZE] = { 0 };
char **addrList;
int rv, tmp_errno = 0, tmp_herrno = 0;
size_t i = 0, j = 0;
memset(&resolved, 0, sizeof(resolved));
rv = NSS_NAME(gethostbyname2)(data->hostname,
data->af,
&resolved,
buf, sizeof(buf),
&tmp_errno,
&tmp_herrno);
if (rv == NSS_STATUS_TRYAGAIN ||
rv == NSS_STATUS_UNAVAIL ||
rv == NSS_STATUS_RETURN) {
/* Resolving failed in unexpected fashion. */
virReportError(VIR_ERR_INTERNAL_ERROR,
"Resolving of %s failed due to internal error",
data->hostname);
goto cleanup;
} else if (rv == NSS_STATUS_NOTFOUND) {
/* Resolving failed. Should it? */
if (!existent)
ret = 0;
else
virReportError(VIR_ERR_INTERNAL_ERROR,
"Resolving of %s failed",
data->hostname);
goto cleanup;
}
/* Resolving succeeded. Should it? */
if (!existent) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"Resolving of %s succeeded but was expected to fail",
data->hostname);
goto cleanup;
}
/* Now lets see if resolved address match our expectations. */
if (!resolved.h_name) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
"resolved.h_name empty");
goto cleanup;
}
if (data->af != AF_UNSPEC &&
resolved.h_addrtype != data->af) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"Expected AF_INET (%d) got %d",
data->af, resolved.h_addrtype);
goto cleanup;
}
if ((resolved.h_addrtype == AF_INET && resolved.h_length != 4) ||
(resolved.h_addrtype == AF_INET6 && resolved.h_length != 16)) {
/* IPv4 addresses are encoded into 4 bytes */
virReportError(VIR_ERR_INTERNAL_ERROR,
"Expected %d bytes long address, got %d",
resolved.h_addrtype == AF_INET ? 4 : 16,
resolved.h_length);
goto cleanup;
}
if (!resolved.h_addr_list) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
"resolved.h_addr_list empty");
goto cleanup;
}
addrList = resolved.h_addr_list;
while (*addrList) {
virSocketAddr sa;
char *ipAddr;
void *address = *addrList;
memset(&sa, 0, sizeof(sa));
if (resolved.h_addrtype == AF_INET) {
virSocketAddrSetIPv4AddrNetOrder(&sa, *((uint32_t *) address));
} else {
virSocketAddrSetIPv6AddrNetOrder(&sa, address);
}
if (!(ipAddr = virSocketAddrFormat(&sa))) {
/* error reported by helper */
goto cleanup;
}
for (j = 0; data->ipAddr[j]; j++) {
if (STREQ(data->ipAddr[j], ipAddr))
break;
}
if (!data->ipAddr[j]) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"Unexpected address %s", ipAddr);
VIR_FREE(ipAddr);
goto cleanup;
}
VIR_FREE(ipAddr);
addrList++;
i++;
}
for (j = 0; data->ipAddr[j]; j++)
;
if (i != j) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"Expected %zu addresses, got %zu", j, i);
goto cleanup;
}
ret = 0;
cleanup:
return ret;
}
/*
* virSocketAddrSetIPv4Addr:
* @addr: the location to store the result
* @val: the 32bit integer in host byte order representing the IPv4 address
*
* Set the IPv4 address given an integer in host order. This function does not
* touch any previously set port.
*/
void
virSocketAddrSetIPv4Addr(virSocketAddrPtr addr, uint32_t val)
{
virSocketAddrSetIPv4AddrNetOrder(addr, htonl(val));
}
