bool send_getdc_request(TALLOC_CTX *mem_ctx,
struct messaging_context *msg_ctx,
struct sockaddr_storage *dc_ss,
const char *domain_name,
const DOM_SID *sid,
uint32_t nt_version)
{
struct in_addr dc_ip;
const char *my_acct_name = NULL;
const char *my_mailslot = NULL;
struct nbt_netlogon_packet packet;
struct NETLOGON_SAM_LOGON_REQUEST *s;
enum ndr_err_code ndr_err;
DATA_BLOB blob;
struct dom_sid my_sid;
ZERO_STRUCT(packet);
ZERO_STRUCT(my_sid);
if (dc_ss->ss_family != AF_INET) {
return false;
}
if (sid) {
my_sid = *sid;
}
dc_ip = ((struct sockaddr_in *)dc_ss)->sin_addr;
my_mailslot = mailslot_name(mem_ctx, dc_ip);
if (!my_mailslot) {
return false;
}
my_acct_name = talloc_asprintf(mem_ctx, "%s$", global_myname());
if (!my_acct_name) {
return false;
}
packet.command = LOGON_SAM_LOGON_REQUEST;
s = &packet.req.logon;
s->request_count = 0;
s->computer_name = global_myname();
s->user_name = my_acct_name;
s->mailslot_name = my_mailslot;
s->acct_control = ACB_WSTRUST;
s->sid = my_sid;
s->nt_version = nt_version;
s->lmnt_token = 0xffff;
s->lm20_token = 0xffff;
if (DEBUGLEVEL >= 10) {
NDR_PRINT_DEBUG(nbt_netlogon_packet, &packet);
}
ndr_err = ndr_push_struct_blob(&blob, mem_ctx, &packet,
(ndr_push_flags_fn_t)ndr_push_nbt_netlogon_packet);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
return false;
}
return cli_send_mailslot(msg_ctx,
false, NBT_MAILSLOT_NTLOGON, 0,
(char *)blob.data, blob.length,
global_myname(), 0, domain_name, 0x1c,
dc_ss);
}
int cli_get_backup_list(const char *myname, const char *send_to_name)
{
pstring outbuf;
char *p;
struct in_addr sendto_ip, my_ip;
int dgram_sock;
struct sockaddr_in sock_out;
socklen_t name_size;
if (!resolve_name(send_to_name, &sendto_ip, 0x1d)) {
DEBUG(0, ("Could not resolve name: %s<1D>\n", send_to_name));
return False;
}
my_ip.s_addr = inet_addr("0.0.0.0");
if (!resolve_name(myname, &my_ip, 0x00)) { /* FIXME: Call others here */
DEBUG(0, ("Could not resolve name: %s<00>\n", myname));
}
if ((dgram_sock = open_socket_out(SOCK_DGRAM, &sendto_ip, 138, LONG_CONNECT_TIMEOUT)) < 0) {
DEBUG(4, ("open_sock_out failed ..."));
return False;
}
/* Make it a broadcast socket ... */
set_socket_options(dgram_sock, "SO_BROADCAST");
/* Make it non-blocking??? */
if (fcntl(dgram_sock, F_SETFL, O_NONBLOCK) < 0) {
DEBUG(0, ("Unable to set non blocking on dgram sock\n"));
}
/* Now, bind a local addr to it ... Try port 138 first ... */
memset((char *)&sock_out, '\0', sizeof(sock_out));
sock_out.sin_addr.s_addr = INADDR_ANY;
sock_out.sin_port = htons(138);
sock_out.sin_family = AF_INET;
if (bind(dgram_sock, (struct sockaddr *)&sock_out, sizeof(sock_out)) < 0) {
/* Try again on any port ... */
sock_out.sin_port = INADDR_ANY;
if (bind(dgram_sock, (struct sockaddr *)&sock_out, sizeof(sock_out)) < 0) {
DEBUG(4, ("failed to bind socket to address ...\n"));
return False;
}
}
/* Now, figure out what socket name we were bound to. We want the port */
name_size = sizeof(sock_out);
getsockname(dgram_sock, (struct sockaddr *)&sock_out, &name_size);
DEBUG(5, ("Socket bound to IP:%s, port: %d\n", inet_ntoa(sock_out.sin_addr), ntohs(sock_out.sin_port)));
/* Now, build the request */
memset(cli_backup_list, '\0', sizeof(cli_backup_list));
memset(outbuf, '\0', sizeof(outbuf));
p = outbuf;
SCVAL(p, 0, ANN_GetBackupListReq);
p++;
SCVAL(p, 0, 1); /* Count pointer ... */
p++;
SIVAL(p, 0, 1); /* The sender's token ... */
p += 4;
cli_send_mailslot(dgram_sock, True, "\\MAILSLOT\\BROWSE", outbuf,
PTR_DIFF(p, outbuf), myname, 0, send_to_name,
0x1d, sendto_ip, my_ip, 138, sock_out.sin_port);
/* We should check the error and return if we got one */
/* Now, get the response ... */
cli_get_response(dgram_sock, True, "\\MAILSLOT\\BROWSE", cli_backup_list, sizeof(cli_backup_list));
/* Should check the response here ... FIXME */
close(dgram_sock);
return True;
}
