This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "includes.h"
-#include "../utils/net.h"
+#include "utils/net.h"
/* Macro for checking RPC error codes to make things more readable */
#define CHECK_RPC_ERR(rpc, msg) \
if (!NT_STATUS_IS_OK(result = rpc)) { \
- DEBUG(0, (msg ": %s\n", get_nt_error_msg(result))); \
+ DEBUG(0, (msg ": %s\n", nt_errstr(result))); \
goto done; \
}
goto done; \
}
+/**
+ * confirm that a domain join is still valid
+ *
+ * @return A shell status integer (0 for success)
+ *
+ **/
+int net_rpc_join_ok(const char *domain, const char *server, struct in_addr *ip )
+{
+ uint32 neg_flags = NETLOGON_NEG_AUTH2_FLAGS|NETLOGON_NEG_SCHANNEL;
+ struct cli_state *cli = NULL;
+ struct rpc_pipe_client *pipe_hnd = NULL;
+ struct rpc_pipe_client *netlogon_pipe = NULL;
+ NTSTATUS ntret = NT_STATUS_UNSUCCESSFUL;
+
+ /* Connect to remote machine */
+ if (!(cli = net_make_ipc_connection_ex(domain, server, ip, (NET_FLAGS_ANONYMOUS|NET_FLAGS_PDC)))) {
+ return -1;
+ }
+
+ /* Setup the creds as though we're going to do schannel... */
+ netlogon_pipe = get_schannel_session_key(cli, domain, &neg_flags, &ntret);
+
+ /* We return NT_STATUS_INVALID_NETWORK_RESPONSE if the server is refusing
+ to negotiate schannel, but the creds were set up ok. That'll have to do. */
+
+ if (!netlogon_pipe) {
+ if (NT_STATUS_EQUAL(ntret, NT_STATUS_INVALID_NETWORK_RESPONSE)) {
+ cli_shutdown(cli);
+ return 0;
+ } else {
+ DEBUG(0,("net_rpc_join_ok: failed to get schannel session "
+ "key from server %s for domain %s. Error was %s\n",
+ cli->desthost, domain, nt_errstr(ntret) ));
+ cli_shutdown(cli);
+ return -1;
+ }
+ }
+
+ /* Only do the rest of the schannel test if the client is allowed to do this. */
+ if (!lp_client_schannel()) {
+ cli_shutdown(cli);
+ /* We're good... */
+ return 0;
+ }
+
+ pipe_hnd = cli_rpc_pipe_open_schannel_with_key(cli, PI_NETLOGON,
+ PIPE_AUTH_LEVEL_PRIVACY,
+ domain, netlogon_pipe->dc, &ntret);
+
+ if (!pipe_hnd) {
+ DEBUG(0,("net_rpc_join_ok: failed to open schannel session "
+ "on netlogon pipe to server %s for domain %s. Error was %s\n",
+ cli->desthost, domain, nt_errstr(ntret) ));
+ cli_shutdown(cli);
+ return -1;
+ }
+
+ cli_shutdown(cli);
+ return 0;
+}
+
/**
* Join a domain using the administrator username and password
*
*
**/
-int net_rpc_join(int argc, const char **argv)
+int net_rpc_join_newstyle(int argc, const char **argv)
{
- extern pstring global_myname;
-
/* libsmb variables */
struct cli_state *cli;
- fstring acct_name;
TALLOC_CTX *mem_ctx;
- uint32 acb_info;
+ uint32 acb_info = ACB_WSTRUST;
+ uint32 neg_flags = NETLOGON_NEG_AUTH2_FLAGS|(lp_client_schannel() ? NETLOGON_NEG_SCHANNEL : 0);
+ uint32 sec_channel_type;
+ struct rpc_pipe_client *pipe_hnd = NULL;
/* rpc variables */
POLICY_HND lsa_pol, sam_pol, domain_pol, user_pol;
- DOM_SID domain_sid;
+ DOM_SID *domain_sid;
uint32 user_rid;
/* Password stuff */
char *clear_trust_password = NULL;
- fstring ucs2_trust_password;
- int ucs2_pw_len;
- uchar stored_md4_trust_password[16];
- uchar pwbuf[516], sess_key[16];
+ uchar pwbuf[516];
SAM_USERINFO_CTR ctr;
SAM_USER_INFO_24 p24;
- SAM_USER_INFO_10 p10;
+ SAM_USER_INFO_16 p16;
+ uchar md4_trust_password[16];
/* Misc */
NTSTATUS result;
int retval = 1;
- fstring domain;
+ char *domain = NULL;
uint32 num_rids, *name_types, *user_rids;
uint32 flags = 0x3e8;
- char *names;
-
- /* Connect to remote machine */
+ char *acct_name;
+ const char *const_acct_name;
+
+ /* check what type of join */
+ if (argc >= 0) {
+ sec_channel_type = get_sec_channel_type(argv[0]);
+ } else {
+ sec_channel_type = get_sec_channel_type(NULL);
+ }
+
+ switch (sec_channel_type) {
+ case SEC_CHAN_WKSTA:
+ acb_info = ACB_WSTRUST;
+ break;
+ case SEC_CHAN_BDC:
+ acb_info = ACB_SVRTRUST;
+ break;
+#if 0
+ case SEC_CHAN_DOMAIN:
+ acb_info = ACB_DOMTRUST;
+ break;
+#endif
+ }
+
+ /* Make authenticated connection to remote machine */
if (!(cli = net_make_ipc_connection(NET_FLAGS_PDC)))
return 1;
- if (!(mem_ctx = talloc_init())) {
+ if (!(mem_ctx = talloc_init("net_rpc_join_newstyle"))) {
DEBUG(0, ("Could not initialise talloc context\n"));
goto done;
}
/* Fetch domain sid */
- if (!cli_nt_session_open(cli, PIPE_LSARPC)) {
- DEBUG(0, ("Error connecting to SAM pipe\n"));
+ pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_LSARPC, &result);
+ if (!pipe_hnd) {
+ DEBUG(0, ("Error connecting to LSA pipe. Error was %s\n",
+ nt_errstr(result) ));
goto done;
}
- CHECK_RPC_ERR(cli_lsa_open_policy(cli, mem_ctx, True,
+ CHECK_RPC_ERR(rpccli_lsa_open_policy(pipe_hnd, mem_ctx, True,
SEC_RIGHTS_MAXIMUM_ALLOWED,
&lsa_pol),
"error opening lsa policy handle");
- CHECK_RPC_ERR(cli_lsa_query_info_policy(cli, mem_ctx, &lsa_pol,
- 5, domain, &domain_sid),
+ CHECK_RPC_ERR(rpccli_lsa_query_info_policy(pipe_hnd, mem_ctx, &lsa_pol,
+ 5, &domain, &domain_sid),
"error querying info policy");
- cli_lsa_close(cli, mem_ctx, &lsa_pol);
+ rpccli_lsa_Close(pipe_hnd, mem_ctx, &lsa_pol);
+ cli_rpc_pipe_close(pipe_hnd); /* Done with this pipe */
- cli_nt_session_close(cli); /* Done with this pipe */
+ /* Bail out if domain didn't get set. */
+ if (!domain) {
+ DEBUG(0, ("Could not get domain name.\n"));
+ goto done;
+ }
/* Create domain user */
- if (!cli_nt_session_open(cli, PIPE_SAMR)) {
- DEBUG(0, ("Error connecting to SAM pipe\n"));
+ pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_SAMR, &result);
+ if (!pipe_hnd) {
+ DEBUG(0, ("Error connecting to SAM pipe. Error was %s\n",
+ nt_errstr(result) ));
goto done;
}
- CHECK_RPC_ERR(cli_samr_connect(cli, mem_ctx,
+ CHECK_RPC_ERR(rpccli_samr_connect(pipe_hnd, mem_ctx,
SEC_RIGHTS_MAXIMUM_ALLOWED,
&sam_pol),
"could not connect to SAM database");
- CHECK_RPC_ERR(cli_samr_open_domain(cli, mem_ctx, &sam_pol,
+ CHECK_RPC_ERR(rpccli_samr_open_domain(pipe_hnd, mem_ctx, &sam_pol,
SEC_RIGHTS_MAXIMUM_ALLOWED,
- &domain_sid, &domain_pol),
+ domain_sid, &domain_pol),
"could not open domain");
/* Create domain user */
- fstrcpy(acct_name, global_myname);
- fstrcat(acct_name, "$");
- strlower(acct_name);
-
- acb_info = (lp_server_role() == ROLE_DOMAIN_BDC) ? ACB_SVRTRUST : ACB_WSTRUST;
+ if ((acct_name = talloc_asprintf(mem_ctx, "%s$", global_myname())) == NULL) {
+ result = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+ strlower_m(acct_name);
+ const_acct_name = acct_name;
- result = cli_samr_create_dom_user(cli, mem_ctx, &domain_pol,
+ result = rpccli_samr_create_dom_user(pipe_hnd, mem_ctx, &domain_pol,
acct_name, acb_info,
0xe005000b, &user_pol,
&user_rid);
if (!NT_STATUS_IS_OK(result) &&
!NT_STATUS_EQUAL(result, NT_STATUS_USER_EXISTS)) {
- d_printf("Create of workstation account failed\n");
+ d_fprintf(stderr, "Creation of workstation account failed\n");
/* If NT_STATUS_ACCESS_DENIED then we have a valid
username/password combo but the user does not have
administrator access. */
if (NT_STATUS_V(result) == NT_STATUS_V(NT_STATUS_ACCESS_DENIED))
- d_printf("User specified does not have administrator privileges\n");
+ d_fprintf(stderr, "User specified does not have administrator privileges\n");
goto done;
}
/* We *must* do this.... don't ask... */
- if (NT_STATUS_IS_OK(result))
- cli_samr_close(cli, mem_ctx, &user_pol);
-
- names = (char *)&acct_name[0];
+ if (NT_STATUS_IS_OK(result)) {
+ rpccli_samr_close(pipe_hnd, mem_ctx, &user_pol);
+ }
- CHECK_RPC_ERR_DEBUG(cli_samr_lookup_names(cli, mem_ctx,
+ CHECK_RPC_ERR_DEBUG(rpccli_samr_lookup_names(pipe_hnd, mem_ctx,
&domain_pol, flags,
- 1, &names, &num_rids,
+ 1, &const_acct_name,
+ &num_rids,
&user_rids, &name_types),
("error looking up rid for user %s: %s\n",
- acct_name, get_nt_error_msg(result)));
+ acct_name, nt_errstr(result)));
if (name_types[0] != SID_NAME_USER) {
- DEBUG(0, ("%s is not a user account\n", acct_name));
+ DEBUG(0, ("%s is not a user account (type=%d)\n", acct_name, name_types[0]));
goto done;
}
/* Open handle on user */
CHECK_RPC_ERR_DEBUG(
- cli_samr_open_user(cli, mem_ctx, &domain_pol,
+ rpccli_samr_open_user(pipe_hnd, mem_ctx, &domain_pol,
SEC_RIGHTS_MAXIMUM_ALLOWED,
user_rid, &user_pol),
("could not re-open existing user %s: %s\n",
- acct_name, get_nt_error_msg(result)));
+ acct_name, nt_errstr(result)));
/* Create a random machine account password */
{
char *str;
str = generate_random_str(DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
- clear_trust_password = strdup(str);
+ clear_trust_password = SMB_STRDUP(str);
+ E_md4hash(clear_trust_password, md4_trust_password);
}
- ucs2_pw_len = push_ucs2(NULL, ucs2_trust_password,
- clear_trust_password,
- sizeof(ucs2_trust_password), 0);
-
- encode_pw_buffer((char *)pwbuf, ucs2_trust_password,
- ucs2_pw_len);
+ encode_pw_buffer(pwbuf, clear_trust_password, STR_UNICODE);
/* Set password on machine account */
ctr.switch_value = 24;
ctr.info.id24 = &p24;
- /* I don't think this is quite the right place for this
- calculation. It should be moved somewhere where the credentials
- are calculated. )-: */
-
- mdfour(sess_key, cli->pwd.smb_nt_pwd, 16);
-
- CHECK_RPC_ERR(cli_samr_set_userinfo(cli, mem_ctx, &user_pol, 24,
- sess_key, &ctr),
+ CHECK_RPC_ERR(rpccli_samr_set_userinfo(pipe_hnd, mem_ctx, &user_pol, 24,
+ &cli->user_session_key, &ctr),
"error setting trust account password");
/* Why do we have to try to (re-)set the ACB to be the same as what
userinfo2 level 0x10 fails. -tpot */
ZERO_STRUCT(ctr);
- ctr.switch_value = 0x10;
- ctr.info.id10 = &p10;
+ ctr.switch_value = 16;
+ ctr.info.id16 = &p16;
- init_sam_user_info10(&p10, acb_info);
+ init_sam_user_info16(&p16, acb_info);
/* Ignoring the return value is necessary for joining a domain
as a normal user with "Add workstation to domain" privilege. */
- result = cli_samr_set_userinfo2(cli, mem_ctx, &user_pol, 0x10,
- sess_key, &ctr);
+ result = rpccli_samr_set_userinfo2(pipe_hnd, mem_ctx, &user_pol, 16,
+ &cli->user_session_key, &ctr);
- /* Now store the secret in the secrets database */
+ rpccli_samr_close(pipe_hnd, mem_ctx, &user_pol);
+ cli_rpc_pipe_close(pipe_hnd); /* Done with this pipe */
- strupper(domain);
+ /* Now check the whole process from top-to-bottom */
- if (!secrets_store_domain_sid(domain, &domain_sid)) {
- DEBUG(0, ("error storing domain sid for %s\n", domain));
+ pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_NETLOGON, &result);
+ if (!pipe_hnd) {
+ DEBUG(0,("Error connecting to NETLOGON pipe. Error was %s\n",
+ nt_errstr(result) ));
goto done;
}
- if (!secrets_store_machine_password(clear_trust_password)) {
- DEBUG(0, ("error storing plaintext domain secrets for %s\n", domain));
+ result = rpccli_netlogon_setup_creds(pipe_hnd,
+ cli->desthost, /* server name */
+ domain, /* domain */
+ global_myname(), /* client name */
+ global_myname(), /* machine account name */
+ md4_trust_password,
+ sec_channel_type,
+ &neg_flags);
+
+ if (!NT_STATUS_IS_OK(result)) {
+ DEBUG(0, ("Error in domain join verification (credential setup failed): %s\n\n",
+ nt_errstr(result)));
+
+ if ( NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED) &&
+ (sec_channel_type == SEC_CHAN_BDC) ) {
+ d_fprintf(stderr, "Please make sure that no computer account\n"
+ "named like this machine (%s) exists in the domain\n",
+ global_myname());
+ }
+
+ goto done;
}
- /* Now check the whole process from top-to-bottom */
+ /* We can only check the schannel connection if the client is allowed
+ to do this and the server supports it. If not, just assume success
+ (after all the rpccli_netlogon_setup_creds() succeeded, and we'll
+ do the same again (setup creds) in net_rpc_join_ok(). JRA. */
+
+ if (lp_client_schannel() && (neg_flags & NETLOGON_NEG_SCHANNEL)) {
+ struct rpc_pipe_client *netlogon_schannel_pipe =
+ cli_rpc_pipe_open_schannel_with_key(cli,
+ PI_NETLOGON,
+ PIPE_AUTH_LEVEL_PRIVACY,
+ domain,
+ pipe_hnd->dc,
+ &result);
+
+ if (!NT_STATUS_IS_OK(result)) {
+ DEBUG(0, ("Error in domain join verification (schannel setup failed): %s\n\n",
+ nt_errstr(result)));
+
+ if ( NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED) &&
+ (sec_channel_type == SEC_CHAN_BDC) ) {
+ d_fprintf(stderr, "Please make sure that no computer account\n"
+ "named like this machine (%s) exists in the domain\n",
+ global_myname());
+ }
+
+ goto done;
+ }
+ cli_rpc_pipe_close(netlogon_schannel_pipe);
+ }
+
+ cli_rpc_pipe_close(pipe_hnd);
- cli_samr_close(cli, mem_ctx, &user_pol);
+ /* Now store the secret in the secrets database */
- cli_nt_session_close(cli); /* Done with this pipe */
+ strupper_m(domain);
- if (!cli_nt_session_open(cli, PIPE_NETLOGON)) {
- DEBUG(0, ("Error connecting to NETLOGON pipe\n"));
+ if (!secrets_store_domain_sid(domain, domain_sid)) {
+ DEBUG(0, ("error storing domain sid for %s\n", domain));
goto done;
}
- if (!secrets_fetch_trust_account_password(domain,
- stored_md4_trust_password, NULL)) {
- DEBUG(0, ("Could not reterive secrets we just stored!"));
- goto done;
+ if (!secrets_store_machine_password(clear_trust_password, domain, sec_channel_type)) {
+ DEBUG(0, ("error storing plaintext domain secrets for %s\n", domain));
}
-
- CHECK_RPC_ERR(new_cli_nt_setup_creds(cli, stored_md4_trust_password),
- "error in domain join verification");
-
- retval = 0; /* Success! */
+
+ /* double-check, connection from scratch */
+ retval = net_rpc_join_ok(domain, cli->desthost, &cli->dest_ip);
done:
- /* Close down pipe - this will clean up open policy handles */
-
- if (cli->nt_pipe_fnum)
- cli_nt_session_close(cli);
/* Display success or failure */
- if (retval != 0) {
- trust_password_delete(domain);
- fprintf(stderr,"Unable to join domain %s.\n",domain);
- } else {
- printf("Joined domain %s.\n",domain);
+ if (domain) {
+ if (retval != 0) {
+ fprintf(stderr,"Unable to join domain %s.\n",domain);
+ } else {
+ printf("Joined domain %s.\n",domain);
+ }
}
cli_shutdown(cli);
return retval;
}
+
+/**
+ * check that a join is OK
+ *
+ * @return A shell status integer (0 for success)
+ *
+ **/
+int net_rpc_testjoin(int argc, const char **argv)
+{
+ char *domain = smb_xstrdup(opt_target_workgroup);
+
+ /* Display success or failure */
+ if (net_rpc_join_ok(domain, NULL, NULL) != 0) {
+ fprintf(stderr,"Join to domain '%s' is not valid\n",domain);
+ free(domain);
+ return -1;
+ }
+
+ printf("Join to '%s' is OK\n",domain);
+ free(domain);
+ return 0;
+}