static int net_lookup_dc(int argc, const char **argv)
{
struct ip_service *ip_list;
struct in_addr addr;
char *pdc_str = NULL;
const char *domain=opt_target_workgroup;
char *sitename = NULL;
int count, i;
if (argc > 0)
domain=argv[0];
/* first get PDC */
if (!get_pdc_ip(domain, &addr))
return -1;
asprintf(&pdc_str, "%s", inet_ntoa(addr));
d_printf("%s\n", pdc_str);
sitename = sitename_fetch(domain);
if (!NT_STATUS_IS_OK(get_sorted_dc_list(domain, sitename, &ip_list, &count, False))) {
SAFE_FREE(pdc_str);
SAFE_FREE(sitename);
return 0;
}
SAFE_FREE(sitename);
for (i=0;i<count;i++) {
char *dc_str = inet_ntoa(ip_list[i].ip);
if (!strequal(pdc_str, dc_str))
d_printf("%s\n", dc_str);
}
SAFE_FREE(pdc_str);
return 0;
}
static BOOL rpc_dc_name(const char *domain, fstring srv_name, struct in_addr *ip_out)
{
struct ip_service *ip_list = NULL;
struct in_addr dc_ip, exclude_ip;
int count, i;
NTSTATUS result;
zero_ip(&exclude_ip);
/* get a list of all domain controllers */
if (!NT_STATUS_IS_OK(get_sorted_dc_list(domain, NULL, &ip_list, &count,
False))) {
DEBUG(3, ("Could not look up dc's for domain %s\n", domain));
return False;
}
/* Remove the entry we've already failed with (should be the PDC). */
for (i = 0; i < count; i++) {
if (is_zero_ip(ip_list[i].ip))
continue;
if (name_status_find(domain, 0x1c, 0x20, ip_list[i].ip, srv_name)) {
result = check_negative_conn_cache( domain, srv_name );
if ( NT_STATUS_IS_OK(result) ) {
dc_ip = ip_list[i].ip;
goto done;
}
}
}
SAFE_FREE(ip_list);
/* No-one to talk to )-: */
return False; /* Boo-hoo */
done:
/* We have the netbios name and IP address of a domain controller.
Ideally we should sent a SAMLOGON request to determine whether
the DC is alive and kicking. If we can catch a dead DC before
performing a cli_connect() we can avoid a 30-second timeout. */
DEBUG(3, ("rpc_dc_name: Returning DC %s (%s) for domain %s\n", srv_name,
inet_ntoa(dc_ip), domain));
*ip_out = dc_ip;
SAFE_FREE(ip_list);
return True;
}
static bool rpc_dc_name(const char *domain,
fstring srv_name,
struct sockaddr_storage *ss_out)
{
struct ip_service *ip_list = NULL;
struct sockaddr_storage dc_ss;
int count, i;
NTSTATUS result;
char addr[INET6_ADDRSTRLEN];
/* get a list of all domain controllers */
if (!NT_STATUS_IS_OK(get_sorted_dc_list(domain, NULL, &ip_list, &count,
False))) {
DEBUG(3, ("Could not look up dc's for domain %s\n", domain));
return False;
}
/* Remove the entry we've already failed with (should be the PDC). */
for (i = 0; i < count; i++) {
if (is_zero_addr((struct sockaddr *)&ip_list[i].ss))
continue;
if (name_status_find(domain, 0x1c, 0x20, &ip_list[i].ss, srv_name)) {
result = check_negative_conn_cache( domain, srv_name );
if ( NT_STATUS_IS_OK(result) ) {
dc_ss = ip_list[i].ss;
goto done;
}
}
}
SAFE_FREE(ip_list);
/* No-one to talk to )-: */
return False; /* Boo-hoo */
done:
/* We have the netbios name and IP address of a domain controller.
Ideally we should sent a SAMLOGON request to determine whether
the DC is alive and kicking. If we can catch a dead DC before
performing a cli_connect() we can avoid a 30-second timeout. */
print_sockaddr(addr, sizeof(addr), &dc_ss);
DEBUG(3, ("rpc_dc_name: Returning DC %s (%s) for domain %s\n", srv_name,
addr, domain));
*ss_out = dc_ss;
SAFE_FREE(ip_list);
return True;
}
static int net_lookup_dc(struct net_context *c, int argc, const char **argv)
{
struct ip_service *ip_list;
struct sockaddr_storage ss;
char *pdc_str = NULL;
const char *domain = NULL;
char *sitename = NULL;
int count, i;
char addr[INET6_ADDRSTRLEN];
bool sec_ads = (lp_security() == SEC_ADS);
if (sec_ads) {
domain = lp_realm();
} else {
domain = c->opt_target_workgroup;
}
if (argc > 0)
domain=argv[0];
/* first get PDC */
if (!get_pdc_ip(domain, &ss))
return -1;
print_sockaddr(addr, sizeof(addr), &ss);
if (asprintf(&pdc_str, "%s", addr) == -1) {
return -1;
}
d_printf("%s\n", pdc_str);
sitename = sitename_fetch(talloc_tos(), domain);
if (!NT_STATUS_IS_OK(get_sorted_dc_list(domain, sitename,
&ip_list, &count, sec_ads))) {
SAFE_FREE(pdc_str);
TALLOC_FREE(sitename);
return 0;
}
TALLOC_FREE(sitename);
for (i=0;i<count;i++) {
print_sockaddr(addr, sizeof(addr), &ip_list[i].ss);
if (!strequal(pdc_str, addr))
d_printf("%s\n", addr);
}
SAFE_FREE(pdc_str);
return 0;
}
static int get_ldap_sequence_number( const char* domain, uint32 *seq)
{
int ret = -1;
int i, port = LDAP_PORT;
struct ip_service *ip_list = NULL;
int count;
if ( !get_sorted_dc_list(domain, &ip_list, &count, False) ) {
DEBUG(3, ("Could not look up dc's for domain %s\n", domain));
return False;
}
/* Finally return first DC that we can contact */
for (i = 0; i < count; i++) {
fstring ipstr;
/* since the is an LDAP lookup, default to the LDAP_PORT is not set */
port = (ip_list[i].port!= PORT_NONE) ? ip_list[i].port : LDAP_PORT;
fstrcpy( ipstr, inet_ntoa(ip_list[i].ip) );
if (is_zero_ip(ip_list[i].ip))
continue;
if ( (ret = get_ldap_seq( ipstr, port, seq)) == 0 )
goto done;
/* add to failed connection cache */
add_failed_connection_entry( domain, ipstr, NT_STATUS_UNSUCCESSFUL );
}
done:
if ( ret == 0 ) {
DEBUG(3, ("get_ldap_sequence_number: Retrieved sequence number for Domain (%s) from DC (%s:%d)\n",
domain, inet_ntoa(ip_list[i].ip), port));
}
SAFE_FREE(ip_list);
return ret;
}
