#undef DBGC_CLASS
#define DBGC_CLASS DBGC_AUTH
-BOOL global_machine_password_needs_changing = False;
-
-extern userdom_struct current_user_info;
-
-
-/*
- resolve the name of a DC in ways appropriate for an ADS domain mode
- an ADS domain may not have Netbios enabled at all, so this is
- quite different from the RPC case
- Note that we ignore the 'server' parameter here. That has the effect of using
- the 'ADS server' smb.conf parameter, which is what we really want anyway
- */
-static NTSTATUS ads_resolve_dc(fstring remote_machine,
- struct in_addr *dest_ip)
-{
- ADS_STRUCT *ads;
- ads = ads_init_simple();
- if (!ads) {
- return NT_STATUS_NO_LOGON_SERVERS;
- }
-
- DEBUG(4,("ads_resolve_dc: realm=%s\n", ads->config.realm));
-
- ads->auth.flags |= ADS_AUTH_NO_BIND;
-
-#ifdef HAVE_ADS
- /* a full ads_connect() is actually overkill, as we don't srictly need
- to do the SASL auth in order to get the info we need, but libads
- doesn't offer a better way right now */
- ads_connect(ads);
-#endif
-
- fstrcpy(remote_machine, ads->config.ldap_server_name);
- strupper(remote_machine);
- *dest_ip = ads->ldap_ip;
- ads_destroy(&ads);
-
- if (!*remote_machine || is_zero_ip(*dest_ip)) {
- return NT_STATUS_NO_LOGON_SERVERS;
- }
-
- DEBUG(4,("ads_resolve_dc: using server='%s' IP=%s\n",
- remote_machine, inet_ntoa(*dest_ip)));
-
- return NT_STATUS_OK;
-}
-
-/*
- resolve the name of a DC in ways appropriate for RPC domain mode
- this relies on the server supporting netbios and port 137 not being
- firewalled
- */
-static NTSTATUS rpc_resolve_dc(const char *server,
- fstring remote_machine,
- struct in_addr *dest_ip)
-{
- if (is_ipaddress(server)) {
- struct in_addr to_ip = *interpret_addr2(server);
-
- /* we need to know the machines netbios name - this is a lousy
- way to find it, but until we have a RPC call that does this
- it will have to do */
- if (!name_status_find("*", 0x20, 0x20, to_ip, remote_machine)) {
- DEBUG(2, ("rpc_resolve_dc: Can't resolve name for IP %s\n", server));
- return NT_STATUS_NO_LOGON_SERVERS;
- }
-
- *dest_ip = to_ip;
- return NT_STATUS_OK;
- }
-
- fstrcpy(remote_machine, server);
- strupper(remote_machine);
- if (!resolve_name(remote_machine, dest_ip, 0x20)) {
- DEBUG(1,("rpc_resolve_dc: Can't resolve address for %s\n",
- remote_machine));
- return NT_STATUS_NO_LOGON_SERVERS;
- }
-
- DEBUG(4,("rpc_resolve_dc: using server='%s' IP=%s\n",
- remote_machine, inet_ntoa(*dest_ip)));
-
- return NT_STATUS_OK;
-}
+extern BOOL global_machine_password_needs_changing;
/**
- * Connect to a remote server for domain security authenticaion.
+ * Connect to a remote server for (inter)domain security authenticaion.
*
* @param cli the cli to return containing the active connection
* @param server either a machine name or text IP address to
* connect to.
- * @param trust_password the trust password to establish the
- * credentials with.
+ * @param setup_creds_as domain account to setup credentials as
+ * @param sec_chan a switch value to distinguish between domain
+ * member and interdomain authentication
+ * @param trust_passwd the trust password to establish the
+ * credentials with.
*
**/
-static NTSTATUS connect_to_domain_password_server(struct cli_state **cli,
- const char *server,
- const char *setup_creds_as,
- uint16 sec_chan,
- const unsigned char *trust_passwd,
- BOOL *retry)
+static NTSTATUS connect_to_domain_password_server(struct cli_state **cli,
+ const char *domain,
+ const char *dc_name,
+ struct in_addr dc_ip,
+ struct rpc_pipe_client **pipe_ret,
+ BOOL *retry)
{
- struct in_addr dest_ip;
- fstring remote_machine;
NTSTATUS result;
- uint32 neg_flags = 0x000001ff;
-
- *retry = False;
+ struct rpc_pipe_client *netlogon_pipe = NULL;
- if (lp_security() == SEC_ADS)
- result = ads_resolve_dc(remote_machine, &dest_ip);
- else
- result = rpc_resolve_dc(server, remote_machine, &dest_ip);
-
- if (!NT_STATUS_IS_OK(result)) {
- DEBUG(2,("connect_to_domain_password_server: unable to resolve DC: %s\n",
- nt_errstr(result)));
- return result;
- }
+ *pipe_ret = NULL;
- if (ismyip(dest_ip)) {
- DEBUG(1,("connect_to_domain_password_server: Password server loop - not using password server %s\n",
- remote_machine));
- return NT_STATUS_NO_LOGON_SERVERS;
- }
-
/* TODO: Send a SAMLOGON request to determine whether this is a valid
logonserver. We can avoid a 30-second timeout if the DC is down
if the SAMLOGON request fails as it is only over UDP. */
* ACCESS_DENIED errors if 2 auths are done from the same machine. JRA.
*/
- *retry = True;
-
- if (!grab_server_mutex(server))
+ if (!grab_server_mutex(dc_name)) {
return NT_STATUS_NO_LOGON_SERVERS;
+ }
/* Attempt connection */
- result = cli_full_connection(cli, global_myname(), remote_machine,
- &dest_ip, 0, "IPC$", "IPC", "", "", "",0, retry);
+ *retry = True;
+ result = cli_full_connection(cli, global_myname(), dc_name, &dc_ip, 0,
+ "IPC$", "IPC", "", "", "", 0, Undefined, retry);
if (!NT_STATUS_IS_OK(result)) {
+ /* map to something more useful */
+ if (NT_STATUS_EQUAL(result, NT_STATUS_UNSUCCESSFUL)) {
+ result = NT_STATUS_NO_LOGON_SERVERS;
+ }
+
release_server_mutex();
return result;
}
* into account also. This patch from "Bjart Kvarme" <bjart.kvarme@usit.uio.no>.
*/
- if(cli_nt_session_open(*cli, PI_NETLOGON) == False) {
+ /* open the netlogon pipe. */
+ if (lp_client_schannel()) {
+ /* We also setup the creds chain in the open_schannel call. */
+ netlogon_pipe = cli_rpc_pipe_open_schannel(*cli, PI_NETLOGON,
+ PIPE_AUTH_LEVEL_PRIVACY, domain, &result);
+ } else {
+ netlogon_pipe = cli_rpc_pipe_open_noauth(*cli, PI_NETLOGON, &result);
+ }
+
+ if(!netlogon_pipe) {
DEBUG(0,("connect_to_domain_password_server: unable to open the domain client session to \
-machine %s. Error was : %s.\n", remote_machine, cli_errstr(*cli)));
- cli_nt_session_close(*cli);
- cli_ulogoff(*cli);
+machine %s. Error was : %s.\n", dc_name, nt_errstr(result)));
cli_shutdown(*cli);
release_server_mutex();
- return NT_STATUS_NO_LOGON_SERVERS;
+ return result;
}
- snprintf((*cli)->mach_acct, sizeof((*cli)->mach_acct) - 1, "%s$", setup_creds_as);
+ if (!lp_client_schannel()) {
+ /* We need to set up a creds chain on an unauthenticated netlogon pipe. */
+ uint32 neg_flags = NETLOGON_NEG_AUTH2_FLAGS;
+ uint32 sec_chan_type = 0;
+ char machine_pwd[16];
+
+ if (!get_trust_pw(domain, machine_pwd, &sec_chan_type)) {
+ DEBUG(0, ("connect_to_domain_password_server: could not fetch "
+ "trust account password for domain '%s'\n",
+ domain));
+ cli_shutdown(*cli);
+ release_server_mutex();
+ return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
+ }
- if (!(*cli)->mach_acct) {
- release_server_mutex();
- return NT_STATUS_NO_MEMORY;
+ result = rpccli_netlogon_setup_creds(netlogon_pipe,
+ dc_name,
+ domain,
+ global_myname(),
+ machine_pwd,
+ sec_chan_type,
+ &neg_flags);
+
+ if (!NT_STATUS_IS_OK(result)) {
+ cli_shutdown(*cli);
+ release_server_mutex();
+ return result;
+ }
}
- result = cli_nt_setup_creds(*cli, sec_chan, trust_passwd, &neg_flags, 2);
-
- if (!NT_STATUS_IS_OK(result)) {
- DEBUG(0,("connect_to_domain_password_server: unable to setup the PDC credentials to machine \
-%s. Error was : %s.\n", remote_machine, nt_errstr(result)));
- cli_nt_session_close(*cli);
- cli_ulogoff(*cli);
+ if(!netlogon_pipe) {
+ DEBUG(0,("connect_to_domain_password_server: unable to open the domain client session to \
+machine %s. Error was : %s.\n", dc_name, cli_errstr(*cli)));
cli_shutdown(*cli);
release_server_mutex();
- return result;
+ return NT_STATUS_NO_LOGON_SERVERS;
}
/* We exit here with the mutex *locked*. JRA */
- return NT_STATUS_OK;
-}
-
-/***********************************************************************
- Utility function to attempt a connection to an IP address of a DC.
-************************************************************************/
-
-static NTSTATUS attempt_connect_to_dc(struct cli_state **cli,
- const char *domain,
- struct in_addr *ip,
- const char *setup_creds_as,
- uint16 sec_chan,
- const unsigned char *trust_passwd)
-{
- NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
- BOOL retry = True;
- fstring dc_name;
- int i;
-
- /*
- * Ignore addresses we have already tried.
- */
-
- if (is_zero_ip(*ip))
- return NT_STATUS_NO_LOGON_SERVERS;
-
- if (!lookup_dc_name(global_myname(), domain, ip, dc_name))
- return NT_STATUS_NO_LOGON_SERVERS;
-
- for (i = 0; (!NT_STATUS_IS_OK(ret)) && retry && (i < 3); i++)
- ret = connect_to_domain_password_server(cli, dc_name, setup_creds_as,
- sec_chan, trust_passwd, &retry);
- return ret;
-}
-
-/***********************************************************************
- We have been asked to dynamically determine the IP addresses of
- the PDC and BDC's for DOMAIN, and query them in turn.
-************************************************************************/
-static NTSTATUS find_connect_dc(struct cli_state **cli,
- const char *domain,
- const char *setup_creds_as,
- uint16 sec_chan,
- unsigned char *trust_passwd,
- time_t last_change_time)
-{
- struct in_addr dc_ip;
- fstring srv_name;
+ *pipe_ret = netlogon_pipe;
- if ( !rpc_find_dc(lp_workgroup(), srv_name, &dc_ip) ) {
- DEBUG(0,("find_connect_dc: Failed to find an DCs for %s\n", lp_workgroup()));
- return NT_STATUS_NO_LOGON_SERVERS;
- }
-
- return attempt_connect_to_dc( cli, domain, &dc_ip, setup_creds_as,
- sec_chan, trust_passwd );
+ return NT_STATUS_OK;
}
/***********************************************************************
************************************************************************/
static NTSTATUS domain_client_validate(TALLOC_CTX *mem_ctx,
- const auth_usersupplied_info *user_info,
- const char *domain,
- uchar chal[8],
- auth_serversupplied_info **server_info,
- const char *server, const char *setup_creds_as,
- uint16 sec_chan,
- unsigned char trust_passwd[16],
- time_t last_change_time)
+ const auth_usersupplied_info *user_info,
+ const char *domain,
+ uchar chal[8],
+ auth_serversupplied_info **server_info,
+ const char *dc_name,
+ struct in_addr dc_ip)
+
{
- fstring remote_machine;
NET_USER_INFO_3 info3;
struct cli_state *cli = NULL;
+ struct rpc_pipe_client *netlogon_pipe = NULL;
NTSTATUS nt_status = NT_STATUS_NO_LOGON_SERVERS;
+ int i;
+ BOOL retry = True;
/*
* At this point, smb_apasswd points to the lanman response to
* see if they were valid.
*/
- while (!NT_STATUS_IS_OK(nt_status) &&
- next_token(&server,remote_machine,LIST_SEP,sizeof(remote_machine))) {
- if(lp_security() != SEC_ADS && strequal(remote_machine, "*")) {
- nt_status = find_connect_dc(&cli, domain, setup_creds_as, sec_chan, trust_passwd, last_change_time);
- } else {
- int i;
- BOOL retry = True;
- for (i = 0; !NT_STATUS_IS_OK(nt_status) && retry && (i < 3); i++)
- nt_status = connect_to_domain_password_server(&cli, remote_machine, setup_creds_as,
- sec_chan, trust_passwd, &retry);
- }
+ /* rety loop for robustness */
+
+ for (i = 0; !NT_STATUS_IS_OK(nt_status) && retry && (i < 3); i++) {
+ nt_status = connect_to_domain_password_server(&cli,
+ domain,
+ dc_name,
+ dc_ip,
+ &netlogon_pipe,
+ &retry);
}
- if (!NT_STATUS_IS_OK(nt_status)) {
+ if ( !NT_STATUS_IS_OK(nt_status) ) {
DEBUG(0,("domain_client_validate: Domain password server not available.\n"));
+ if (NT_STATUS_EQUAL(nt_status, NT_STATUS_ACCESS_DENIED)) {
+ return NT_STATUS_TRUSTED_RELATIONSHIP_FAILURE;
+ }
return nt_status;
}
* in the info3 structure.
*/
- nt_status = cli_netlogon_sam_network_logon(cli, mem_ctx,
- user_info->smb_name.str, user_info->domain.str,
- user_info->wksta_name.str, chal,
- user_info->lm_resp, user_info->nt_resp,
- &info3);
-
+ nt_status = rpccli_netlogon_sam_network_logon(netlogon_pipe,
+ mem_ctx,
+ dc_name, /* server name */
+ user_info->smb_name.str, /* user name logging on. */
+ user_info->domain.str, /* domain name */
+ user_info->wksta_name.str, /* workstation name */
+ chal, /* 8 byte challenge. */
+ user_info->lm_resp, /* lanman 24 byte response */
+ user_info->nt_resp, /* nt 24 byte response */
+ &info3); /* info3 out */
+
+ /* Let go as soon as possible so we avoid any potential deadlocks
+ with winbind lookup up users or groups. */
+
+ release_server_mutex();
+
if (!NT_STATUS_IS_OK(nt_status)) {
DEBUG(0,("domain_client_validate: unable to validate password "
"for user %s in domain %s to Domain controller %s. "
"Error was %s.\n", user_info->smb_name.str,
- user_info->domain.str, cli->srv_name_slash,
+ user_info->domain.str, dc_name,
nt_errstr(nt_status)));
- } else {
- nt_status = make_server_info_info3(mem_ctx, user_info->internal_username.str,
- user_info->smb_name.str, domain, server_info, &info3);
-#if 0
- /* The stuff doesn't work right yet */
- SMB_ASSERT(sizeof((*server_info)->session_key) == sizeof(info3.user_sess_key));
- memcpy((*server_info)->session_key, info3.user_sess_key, sizeof((*server_info)->session_key)/* 16 */);
- SamOEMhash((*server_info)->session_key, trust_passwd, sizeof((*server_info)->session_key));
-#endif
-
- uni_group_cache_store_netlogon(mem_ctx, &info3);
- }
-#if 0
- /*
- * We don't actually need to do this - plus it fails currently with
- * NT_STATUS_INVALID_INFO_CLASS - we need to know *exactly* what to
- * send here. JRA.
- */
-
- if (NT_STATUS_IS_OK(status)) {
- if(cli_nt_logoff(&cli, &ctr) == False) {
- DEBUG(0,("domain_client_validate: unable to log off user %s in domain \
-%s to Domain controller %s. Error was %s.\n", user, domain, remote_machine, cli_errstr(&cli)));
- nt_status = NT_STATUS_LOGON_FAILURE;
+ /* map to something more useful */
+ if (NT_STATUS_EQUAL(nt_status, NT_STATUS_UNSUCCESSFUL)) {
+ nt_status = NT_STATUS_NO_LOGON_SERVERS;
}
+ } else {
+ nt_status = make_server_info_info3(mem_ctx,
+ user_info->internal_username.str,
+ user_info->smb_name.str,
+ domain,
+ server_info,
+ &info3);
}
-#endif /* 0 */
/* Note - once the cli stream is shutdown the mem_ctx used
to allocate the other_sids and gids structures has been deleted - so
these pointers are no longer valid..... */
- cli_nt_session_close(cli);
- cli_ulogoff(cli);
cli_shutdown(cli);
- release_server_mutex();
return nt_status;
}
auth_serversupplied_info **server_info)
{
NTSTATUS nt_status = NT_STATUS_LOGON_FAILURE;
- char *password_server;
- unsigned char trust_passwd[16];
- time_t last_change_time;
const char *domain = lp_workgroup();
+ fstring dc_name;
+ struct in_addr dc_ip;
+
+ if ( lp_server_role() != ROLE_DOMAIN_MEMBER ) {
+ DEBUG(0,("check_ntdomain_security: Configuration error! Cannot use "
+ "ntdomain auth method when not a member of a domain.\n"));
+ return NT_STATUS_NOT_IMPLEMENTED;
+ }
if (!user_info || !server_info || !auth_context) {
DEBUG(1,("check_ntdomain_security: Critical variables not present. Failing.\n"));
* password file.
*/
- if(is_myname(user_info->domain.str)) {
+ if(strequal(get_global_sam_name(), user_info->domain.str)) {
DEBUG(3,("check_ntdomain_security: Requested domain was for this machine.\n"));
- return NT_STATUS_LOGON_FAILURE;
+ return NT_STATUS_NOT_IMPLEMENTED;
}
- /*
- * Get the machine account password for our primary domain
- * No need to become_root() as secrets_init() is done at startup.
- */
+ /* we need our DC to send the net_sam_logon() request to */
- if (!secrets_fetch_trust_account_password(domain, trust_passwd, &last_change_time))
- {
- DEBUG(0, ("check_ntdomain_security: could not fetch trust account password for domain '%s'\n", domain));
- return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
- }
-
- /* Test if machine password has expired and needs to be changed */
- if (lp_machine_password_timeout()) {
- if (time(NULL) > (last_change_time +
- lp_machine_password_timeout())) {
- global_machine_password_needs_changing = True;
- }
+ if ( !get_dc_name(domain, NULL, dc_name, &dc_ip) ) {
+ DEBUG(5,("check_ntdomain_security: unable to locate a DC for domain %s\n",
+ user_info->domain.str));
+ return NT_STATUS_NO_LOGON_SERVERS;
}
-
- /*
- * Treat each name in the 'password server =' line as a potential
- * PDC/BDC. Contact each in turn and try and authenticate.
- */
-
- password_server = lp_passwordserver();
-
- nt_status = domain_client_validate(mem_ctx, user_info, domain,
- (uchar *)auth_context->challenge.data,
- server_info,
- password_server, global_myname(), SEC_CHAN_WKSTA, trust_passwd, last_change_time);
+
+ nt_status = domain_client_validate(mem_ctx,
+ user_info,
+ domain,
+ (uchar *)auth_context->challenge.data,
+ server_info,
+ dc_name,
+ dc_ip);
+
return nt_status;
}
/* module initialisation */
-NTSTATUS auth_init_ntdomain(struct auth_context *auth_context, const char* param, auth_methods **auth_method)
+static NTSTATUS auth_init_ntdomain(struct auth_context *auth_context, const char* param, auth_methods **auth_method)
{
if (!make_auth_methods(auth_context, auth_method)) {
return NT_STATUS_NO_MEMORY;
char *trust_password;
time_t last_change_time;
DOM_SID sid;
+ fstring dc_name;
+ struct in_addr dc_ip;
if (!user_info || !server_info || !auth_context) {
DEBUG(1,("check_trustdomain_security: Critical variables not present. Failing.\n"));
}
/*
- * Check that the requested domain is not our own machine name.
- * If it is, we should never check the PDC here, we use our own local
- * password file.
+ * Check that the requested domain is not our own machine name or domain name.
*/
- if(is_myname(user_info->domain.str)) {
- DEBUG(3,("check_trustdomain_security: Requested domain was for this machine.\n"));
- return NT_STATUS_LOGON_FAILURE;
+ if( strequal(get_global_sam_name(), user_info->domain.str)) {
+ DEBUG(3,("check_trustdomain_security: Requested domain [%s] was for this machine.\n",
+ user_info->domain.str));
+ return NT_STATUS_NOT_IMPLEMENTED;
}
- /*
- * Check that the requested domain is not our own domain,
- * If it is, we should use our own local password file.
- */
-
- if(strequal(lp_workgroup(), (user_info->domain.str))) {
- DEBUG(3,("check_trustdomain_security: Requested domain was for this domain.\n"));
- return NT_STATUS_LOGON_FAILURE;
- }
+ /* No point is bothering if this is not a trusted domain.
+ This return makes "map to guest = bad user" work again.
+ The logic is that if we know nothing about the domain, that
+ user is not known to us and does not exist */
+
+ if ( !is_trusted_domain( user_info->domain.str ) )
+ return NT_STATUS_NOT_IMPLEMENTED;
/*
* Get the trusted account password for the trusted domain
* No need to become_root() as secrets_init() is done at startup.
*/
- if (!secrets_fetch_trusted_domain_password(user_info->domain.str, &trust_password, &sid, &last_change_time))
- {
+ if (!secrets_fetch_trusted_domain_password(user_info->domain.str, &trust_password,
+ &sid, &last_change_time)) {
DEBUG(0, ("check_trustdomain_security: could not fetch trust account password for domain %s\n", user_info->domain.str));
return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
}
}
#endif
- nt_status = domain_client_validate(mem_ctx, user_info, user_info->domain.str,
- (uchar *)auth_context->challenge.data,
- server_info, "*" /* Do a lookup */,
- lp_workgroup(), SEC_CHAN_DOMAIN, trust_md4_password, last_change_time);
+ /* use get_dc_name() for consistency even through we know that it will be
+ a netbios name */
+
+ if ( !get_dc_name(user_info->domain.str, NULL, dc_name, &dc_ip) ) {
+ DEBUG(5,("check_trustdomain_security: unable to locate a DC for domain %s\n",
+ user_info->domain.str));
+ return NT_STATUS_NO_LOGON_SERVERS;
+ }
+ nt_status = domain_client_validate(mem_ctx,
+ user_info,
+ user_info->domain.str,
+ (uchar *)auth_context->challenge.data,
+ server_info,
+ dc_name,
+ dc_ip);
+
return nt_status;
}
/* module initialisation */
-NTSTATUS auth_init_trustdomain(struct auth_context *auth_context, const char* param, auth_methods **auth_method)
+static NTSTATUS auth_init_trustdomain(struct auth_context *auth_context, const char* param, auth_methods **auth_method)
{
if (!make_auth_methods(auth_context, auth_method)) {
return NT_STATUS_NO_MEMORY;
(*auth_method)->auth = check_trustdomain_security;
return NT_STATUS_OK;
}
+
+NTSTATUS auth_domain_init(void)
+{
+ smb_register_auth(AUTH_INTERFACE_VERSION, "trustdomain", auth_init_trustdomain);
+ smb_register_auth(AUTH_INTERFACE_VERSION, "ntdomain", auth_init_ntdomain);
+ return NT_STATUS_OK;
+}
git.samba.org / vlendec / samba-autobuild / .git / blobdiff