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authorJeremy Allison <jra@samba.org>2005-10-06 16:51:10 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 11:04:53 -0500
commit20d36c1c8d84731d0e78fdcb723c3330095ed5de (patch)
treef230f35c6f521142c083413b54a220d691153fa5 /source3/rpc_client
parent8a1aa2c0034aa69d9a52f4adbb85485d3a0fa9cc (diff)
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r10778: Allow schannel setup over NTLMSSP authenticated pipes.
Jeremy. (This used to be commit ed62720f897ebf10f5ae50a3e9cf7788c9570183)
Diffstat (limited to 'source3/rpc_client')
-rw-r--r--source3/rpc_client/cli_pipe.c106
1 files changed, 106 insertions, 0 deletions
diff --git a/source3/rpc_client/cli_pipe.c b/source3/rpc_client/cli_pipe.c
index 01f9a86c87..0a2e664489 100644
--- a/source3/rpc_client/cli_pipe.c
+++ b/source3/rpc_client/cli_pipe.c
@@ -2500,6 +2500,112 @@ struct rpc_pipe_client *cli_rpc_pipe_open_schannel_with_key(struct cli_state *cl
/****************************************************************************
Open a named pipe to an SMB server and bind using schannel (bind type 68).
+ Fetch the session key ourselves using a temporary netlogon pipe. This
+ version uses an ntlmssp auth bound netlogon pipe to get the key.
+ ****************************************************************************/
+
+static struct rpc_pipe_client *get_schannel_session_key_auth_ntlmssp(struct cli_state *cli,
+ const char *domain,
+ const char *username,
+ const char *password,
+ NTSTATUS *perr)
+{
+ uint32 neg_flags = NETLOGON_NEG_AUTH2_FLAGS|NETLOGON_NEG_SCHANNEL;
+ struct rpc_pipe_client *netlogon_pipe = NULL;
+ uint32 sec_chan_type = 0;
+ char machine_pwd[16];
+ fstring machine_account;
+
+ netlogon_pipe = cli_rpc_pipe_open_spnego_ntlmssp(cli, PI_NETLOGON, PIPE_AUTH_LEVEL_PRIVACY, domain, username, password, perr);
+ if (!netlogon_pipe) {
+ return NULL;
+ }
+
+ /* Get the machine account credentials from secrets.tdb. */
+ if (!get_trust_pw(domain, machine_pwd, &sec_chan_type)) {
+ DEBUG(0, ("get_schannel_session_key_auth_ntlmssp: could not fetch "
+ "trust account password for domain '%s'\n",
+ domain));
+ cli_rpc_pipe_close(netlogon_pipe);
+ *perr = NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
+ return NULL;
+ }
+
+ if ( IS_DC ) {
+ fstrcpy( machine_account, lp_workgroup() );
+ } else {
+ /* Hmmm. Is this correct for trusted domains when we're a member server ? JRA. */
+ if (strequal(domain, lp_workgroup())) {
+ fstrcpy(machine_account, global_myname());
+ } else {
+ fstrcpy(machine_account, domain);
+ }
+ }
+
+ *perr = rpccli_netlogon_setup_creds(netlogon_pipe,
+ cli->desthost,
+ domain,
+ machine_account,
+ machine_pwd,
+ sec_chan_type,
+ &neg_flags);
+
+ if (!NT_STATUS_IS_OK(*perr)) {
+ DEBUG(3,("get_schannel_session_key_auth_ntlmssp: rpccli_netlogon_setup_creds "
+ "failed with result %s\n",
+ nt_errstr(*perr) ));
+ cli_rpc_pipe_close(netlogon_pipe);
+ return NULL;
+ }
+
+ if ((neg_flags & NETLOGON_NEG_SCHANNEL) == 0) {
+ DEBUG(3, ("get_schannel_session_key_auth_ntlmssp: Server %s did not offer schannel\n",
+ cli->desthost));
+ cli_rpc_pipe_close(netlogon_pipe);
+ *perr = NT_STATUS_INVALID_NETWORK_RESPONSE;
+ return NULL;
+ }
+
+ return netlogon_pipe;
+}
+
+/****************************************************************************
+ Open a named pipe to an SMB server and bind using schannel (bind type 68).
+ Fetch the session key ourselves using a temporary netlogon pipe. This version
+ uses an ntlmssp bind to get the session key.
+ ****************************************************************************/
+
+struct rpc_pipe_client *cli_rpc_pipe_open_ntlmttp_auth_schannel(struct cli_state *cli,
+ int pipe_idx,
+ enum pipe_auth_level auth_level,
+ const char *domain,
+ const char *username,
+ const char *password,
+ NTSTATUS *perr)
+{
+ struct rpc_pipe_client *netlogon_pipe = NULL;
+ struct rpc_pipe_client *result = NULL;
+
+ netlogon_pipe = get_schannel_session_key_auth_ntlmssp(cli, domain, username, password, perr);
+ if (!netlogon_pipe) {
+ DEBUG(0,("cli_rpc_pipe_open_ntlmssp_auth_schannel: failed to get schannel session "
+ "key from server %s for domain %s.\n",
+ cli->desthost, domain ));
+ return NULL;
+ }
+
+ result = cli_rpc_pipe_open_schannel_with_key(cli, pipe_idx,
+ auth_level,
+ domain, netlogon_pipe->dc, perr);
+
+ /* Now we've bound using the session key we can close the netlog pipe. */
+ cli_rpc_pipe_close(netlogon_pipe);
+
+ return result;
+}
+
+/****************************************************************************
+ Open a named pipe to an SMB server and bind using schannel (bind type 68).
Fetch the session key ourselves using a temporary netlogon pipe.
****************************************************************************/