wmi-1.3.16 from opsview.com

Samba/source/auth/credentials/config.mk

@@ -0,0 +1,24 @@
+#################################
+# Start SUBSYSTEM CREDENTIALS
+[SUBSYSTEM::CREDENTIALS]
+PUBLIC_PROTO_HEADER = credentials_proto.h
+PUBLIC_HEADERS = credentials.h
+OBJ_FILES = credentials.o \
+		credentials_files.o \
+		credentials_ntlm.o
+PUBLIC_DEPENDENCIES = \
+		LIBCLI_AUTH SECRETS LIBCRYPTO KERBEROS
+PRIVATE_DEPENDENCIES = CREDENTIALS_KRB5
+# End SUBSYSTEM CREDENTIALS
+#################################
+
+#################################
+# Start SUBSYSTEM CREDENTIALS
+[SUBSYSTEM::CREDENTIALS_KRB5]
+PUBLIC_PROTO_HEADER = credentials_krb5_proto.h
+PUBLIC_HEADERS = credentials_krb5.h
+OBJ_FILES = credentials_krb5.o
+PUBLIC_DEPENDENCIES = \
+		HEIMDAL_GSSAPI 
+# End SUBSYSTEM CREDENTIALS
+#################################

Samba/source/auth/credentials/credentials.c

@@ -0,0 +1,717 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   User credentials handling
+
+   Copyright (C) Jelmer Vernooij 2005
+   Copyright (C) Tim Potter 2001
+   Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005
+   
+   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
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+#include "librpc/gen_ndr/samr.h" /* for struct samrPassword */
+#include "auth/credentials/credentials.h"
+#include "auth/credentials/credentials_krb5.h"
+#include "libcli/auth/libcli_auth.h"
+
+/**
+ * Create a new credentials structure
+ * @param mem_ctx TALLOC_CTX parent for credentials structure 
+ */
+struct cli_credentials *cli_credentials_init(TALLOC_CTX *mem_ctx) 
+{
+	struct cli_credentials *cred = talloc(mem_ctx, struct cli_credentials);
+	if (!cred) {
+		return cred;
+	}
+
+	cred->netlogon_creds = NULL;
+	cred->machine_account_pending = False;
+	cred->workstation_obtained = CRED_UNINITIALISED;
+	cred->username_obtained = CRED_UNINITIALISED;
+	cred->password_obtained = CRED_UNINITIALISED;
+	cred->domain_obtained = CRED_UNINITIALISED;
+	cred->realm_obtained = CRED_UNINITIALISED;
+	cred->ccache_obtained = CRED_UNINITIALISED;
+	cred->client_gss_creds_obtained = CRED_UNINITIALISED;
+	cred->server_gss_creds_obtained = CRED_UNINITIALISED;
+	cred->keytab_obtained = CRED_UNINITIALISED;
+	cred->principal_obtained = CRED_UNINITIALISED;
+
+	cred->old_password = NULL;
+	cred->smb_krb5_context = NULL;
+	cred->salt_principal = NULL;
+	cred->machine_account = False;
+
+	cred->bind_dn = NULL;
+
+	cred->tries = 3;
+	cred->callback_running = False;
+
+	cli_credentials_set_kerberos_state(cred, CRED_AUTO_USE_KERBEROS);
+
+	return cred;
+}
+
+void cli_credentials_set_kerberos_state(struct cli_credentials *creds, 
+					enum credentials_use_kerberos use_kerberos)
+{
+	creds->use_kerberos = use_kerberos;
+}
+
+enum credentials_use_kerberos cli_credentials_get_kerberos_state(struct cli_credentials *creds)
+{
+	return creds->use_kerberos;
+}
+
+
+/**
+ * Obtain the username for this credentials context.
+ * @param cred credentials context
+ * @retval The username set on this context.
+ * @note Return value will never be NULL except by programmer error.
+ */
+const char *cli_credentials_get_username(struct cli_credentials *cred)
+{
+	if (cred->machine_account_pending) {
+		cli_credentials_set_machine_account(cred);
+	}
+
+	if (cred->username_obtained == CRED_CALLBACK && 
+	    !cred->callback_running) {
+	    	cred->callback_running = True;
+		cred->username = cred->username_cb(cred);
+	    	cred->callback_running = False;
+		cred->username_obtained = CRED_SPECIFIED;
+	}
+
+	return cred->username;
+}
+
+BOOL cli_credentials_set_username(struct cli_credentials *cred, 
+				  const char *val, enum credentials_obtained obtained)
+{
+	if (obtained >= cred->username_obtained) {
+		cred->username = talloc_strdup(cred, val);
+		cred->username_obtained = obtained;
+		return True;
+	}
+
+	return False;
+}
+
+BOOL cli_credentials_set_username_callback(struct cli_credentials *cred,
+				  const char *(*username_cb) (struct cli_credentials *))
+{
+	if (cred->username_obtained < CRED_CALLBACK) {
+		cred->username_cb = username_cb;
+		cred->username_obtained = CRED_CALLBACK;
+		return True;
+	}
+
+	return False;
+}
+
+BOOL cli_credentials_set_bind_dn(struct cli_credentials *cred, 
+				 const char *bind_dn)
+{
+	cred->bind_dn = talloc_strdup(cred, bind_dn);
+	return True;
+}
+
+/**
+ * Obtain the BIND DN for this credentials context.
+ * @param cred credentials context
+ * @retval The username set on this context.
+ * @note Return value will be NULL if not specified explictly
+ */
+const char *cli_credentials_get_bind_dn(struct cli_credentials *cred)
+{
+	return cred->bind_dn;
+}
+
+
+/**
+ * Obtain the client principal for this credentials context.
+ * @param cred credentials context
+ * @retval The username set on this context.
+ * @note Return value will never be NULL except by programmer error.
+ */
+const char *cli_credentials_get_principal(struct cli_credentials *cred, TALLOC_CTX *mem_ctx)
+{
+	if (cred->machine_account_pending) {
+		cli_credentials_set_machine_account(cred);
+	}
+
+	if (cred->principal_obtained == CRED_CALLBACK && 
+	    !cred->callback_running) {
+	    	cred->callback_running = True;
+		cred->principal = cred->principal_cb(cred);
+	    	cred->callback_running = False;
+		cred->principal_obtained = CRED_SPECIFIED;
+	}
+
+	if (cred->principal_obtained < cred->username_obtained) {
+		if (cred->domain_obtained > cred->realm_obtained) {
+			return talloc_asprintf(mem_ctx, "%s@%s", 
+					       cli_credentials_get_username(cred),
+					       cli_credentials_get_domain(cred));
+		} else {
+			return talloc_asprintf(mem_ctx, "%s@%s", 
+					       cli_credentials_get_username(cred),
+					       cli_credentials_get_realm(cred));
+		}
+	}
+	return talloc_reference(mem_ctx, cred->principal);
+}
+
+BOOL cli_credentials_set_principal(struct cli_credentials *cred, 
+				   const char *val, 
+				   enum credentials_obtained obtained)
+{
+	if (obtained >= cred->principal_obtained) {
+		cred->principal = talloc_strdup(cred, val);
+		cred->principal_obtained = obtained;
+		return True;
+	}
+
+	return False;
+}
+
+/* Set a callback to get the principal.  This could be a popup dialog,
+ * a terminal prompt or similar.  */
+
+BOOL cli_credentials_set_principal_callback(struct cli_credentials *cred,
+				  const char *(*principal_cb) (struct cli_credentials *))
+{
+	if (cred->principal_obtained < CRED_CALLBACK) {
+		cred->principal_cb = principal_cb;
+		cred->principal_obtained = CRED_CALLBACK;
+		return True;
+	}
+
+	return False;
+}
+
+/* Some of our tools are 'anonymous by default'.  This is a single
+ * function to determine if authentication has been explicitly
+ * requested */
+
+BOOL cli_credentials_authentication_requested(struct cli_credentials *cred) 
+{
+	if (cred->bind_dn) {
+		return True;
+	}
+
+	if (cli_credentials_is_anonymous(cred)){
+		return False;
+	}
+
+	if (cred->principal_obtained >= CRED_SPECIFIED) {
+		return True;
+	}
+	if (cred->username_obtained >= CRED_SPECIFIED) {
+		return True;
+	}
+	return False;
+}
+
+/**
+ * Obtain the password for this credentials context.
+ * @param cred credentials context
+ * @retval If set, the cleartext password, otherwise NULL
+ */
+const char *cli_credentials_get_password(struct cli_credentials *cred)
+{
+	if (cred->machine_account_pending) {
+		cli_credentials_set_machine_account(cred);
+	}
+
+	if (cred->password_obtained == CRED_CALLBACK && 
+	    !cred->callback_running) {
+	    	cred->callback_running = True;
+		cred->password = cred->password_cb(cred);
+	    	cred->callback_running = False;
+		cred->password_obtained = CRED_CALLBACK_RESULT;
+	}
+
+	return cred->password;
+}
+
+/* Set a password on the credentials context, including an indication
+ * of 'how' the password was obtained */
+
+BOOL cli_credentials_set_password(struct cli_credentials *cred, 
+				  const char *val, 
+				  enum credentials_obtained obtained)
+{
+	if (obtained >= cred->password_obtained) {
+		cred->password = talloc_strdup(cred, val);
+		cred->password_obtained = obtained;
+
+		cred->nt_hash = NULL;
+		return True;
+	}
+
+	return False;
+}
+
+BOOL cli_credentials_set_password_callback(struct cli_credentials *cred,
+					   const char *(*password_cb) (struct cli_credentials *))
+{
+	if (cred->password_obtained < CRED_CALLBACK) {
+		cred->password_cb = password_cb;
+		cred->password_obtained = CRED_CALLBACK;
+		return True;
+	}
+
+	return False;
+}
+
+/**
+ * Obtain the 'old' password for this credentials context (used for join accounts).
+ * @param cred credentials context
+ * @retval If set, the cleartext password, otherwise NULL
+ */
+const char *cli_credentials_get_old_password(struct cli_credentials *cred)
+{
+	if (cred->machine_account_pending) {
+		cli_credentials_set_machine_account(cred);
+	}
+
+	return cred->old_password;
+}
+
+BOOL cli_credentials_set_old_password(struct cli_credentials *cred, 
+				      const char *val, 
+				      enum credentials_obtained obtained)
+{
+	cred->old_password = talloc_strdup(cred, val);
+	return True;
+}
+
+/**
+ * Obtain the password, in the form MD4(unicode(password)) for this credentials context.
+ *
+ * Sometimes we only have this much of the password, while the rest of
+ * the time this call avoids calling E_md4hash themselves.
+ *
+ * @param cred credentials context
+ * @retval If set, the cleartext password, otherwise NULL
+ */
+const struct samr_Password *cli_credentials_get_nt_hash(struct cli_credentials *cred, 
+							TALLOC_CTX *mem_ctx)
+{
+	const char *password = cli_credentials_get_password(cred);
+
+	if (password) {
+		struct samr_Password *nt_hash = talloc(mem_ctx, struct samr_Password);
+		if (!nt_hash) {
+			return NULL;
+		}
+		
+		E_md4hash(password, nt_hash->hash);    
+
+		return nt_hash;
+	} else {
+		return cred->nt_hash;
+	}
+}
+
+BOOL cli_credentials_set_nt_hash(struct cli_credentials *cred,
+				 const struct samr_Password *nt_hash, 
+				 enum credentials_obtained obtained)
+{
+	if (obtained >= cred->password_obtained) {
+		cli_credentials_set_password(cred, NULL, obtained);
+		cred->nt_hash = talloc(cred, struct samr_Password);
+		*cred->nt_hash = *nt_hash;
+		return True;
+	}
+
+	return False;
+}
+
+/**
+ * Obtain the 'short' or 'NetBIOS' domain for this credentials context.
+ * @param cred credentials context
+ * @retval The domain set on this context. 
+ * @note Return value will never be NULL except by programmer error.
+ */
+const char *cli_credentials_get_domain(struct cli_credentials *cred)
+{
+	if (cred->machine_account_pending) {
+		cli_credentials_set_machine_account(cred);
+	}
+
+	if (cred->domain_obtained == CRED_CALLBACK && 
+	    !cred->callback_running) {
+	    	cred->callback_running = True;
+		cred->domain = cred->domain_cb(cred);
+	    	cred->callback_running = False;
+		cred->domain_obtained = CRED_SPECIFIED;
+	}
+
+	return cred->domain;
+}
+
+
+BOOL cli_credentials_set_domain(struct cli_credentials *cred, 
+				const char *val, 
+				enum credentials_obtained obtained)
+{
+	if (obtained >= cred->domain_obtained) {
+		/* it is important that the domain be in upper case,
+		 * particularly for the sensitive NTLMv2
+		 * calculations */
+		cred->domain = strupper_talloc(cred, val);
+		cred->domain_obtained = obtained;
+		return True;
+	}
+
+	return False;
+}
+
+BOOL cli_credentials_set_domain_callback(struct cli_credentials *cred,
+					 const char *(*domain_cb) (struct cli_credentials *))
+{
+	if (cred->domain_obtained < CRED_CALLBACK) {
+		cred->domain_cb = domain_cb;
+		cred->domain_obtained = CRED_CALLBACK;
+		return True;
+	}
+
+	return False;
+}
+
+/**
+ * Obtain the Kerberos realm for this credentials context.
+ * @param cred credentials context
+ * @retval The realm set on this context. 
+ * @note Return value will never be NULL except by programmer error.
+ */
+const char *cli_credentials_get_realm(struct cli_credentials *cred)
+{	
+	if (cred->machine_account_pending) {
+		cli_credentials_set_machine_account(cred);
+	}
+
+	if (cred->realm_obtained == CRED_CALLBACK && 
+	    !cred->callback_running) {
+	    	cred->callback_running = True;
+		cred->realm = cred->realm_cb(cred);
+	    	cred->callback_running = False;
+		cred->realm_obtained = CRED_SPECIFIED;
+	}
+
+	return cred->realm;
+}
+
+/**
+ * Set the realm for this credentials context, and force it to
+ * uppercase for the sainity of our local kerberos libraries 
+ */
+BOOL cli_credentials_set_realm(struct cli_credentials *cred, 
+			       const char *val, 
+			       enum credentials_obtained obtained)
+{
+	if (obtained >= cred->realm_obtained) {
+		cred->realm = strupper_talloc(cred, val);
+		cred->realm_obtained = obtained;
+		return True;
+	}
+
+	return False;
+}
+
+BOOL cli_credentials_set_realm_callback(struct cli_credentials *cred,
+					const char *(*realm_cb) (struct cli_credentials *))
+{
+	if (cred->realm_obtained < CRED_CALLBACK) {
+		cred->realm_cb = realm_cb;
+		cred->realm_obtained = CRED_CALLBACK;
+		return True;
+	}
+
+	return False;
+}
+
+/**
+ * Obtain the 'short' or 'NetBIOS' workstation name for this credentials context.
+ *
+ * @param cred credentials context
+ * @retval The workstation name set on this context. 
+ * @note Return value will never be NULL except by programmer error.
+ */
+const char *cli_credentials_get_workstation(struct cli_credentials *cred)
+{
+	if (cred->workstation_obtained == CRED_CALLBACK && 
+	    !cred->callback_running) {
+	    	cred->callback_running = True;
+		cred->workstation = cred->workstation_cb(cred);
+	    	cred->callback_running = False;
+		cred->workstation_obtained = CRED_SPECIFIED;
+	}
+
+	return cred->workstation;
+}
+
+BOOL cli_credentials_set_workstation(struct cli_credentials *cred, 
+				     const char *val, 
+				     enum credentials_obtained obtained)
+{
+	if (obtained >= cred->workstation_obtained) {
+		cred->workstation = talloc_strdup(cred, val);
+		cred->workstation_obtained = obtained;
+		return True;
+	}
+
+	return False;
+}
+
+BOOL cli_credentials_set_workstation_callback(struct cli_credentials *cred,
+					      const char *(*workstation_cb) (struct cli_credentials *))
+{
+	if (cred->workstation_obtained < CRED_CALLBACK) {
+		cred->workstation_cb = workstation_cb;
+		cred->workstation_obtained = CRED_CALLBACK;
+		return True;
+	}
+
+	return False;
+}
+
+/**
+ * Given a string, typically obtained from a -U argument, parse it into domain, username, realm and password fields
+ *
+ * The format accepted is [domain\\]user[%password] or user[@realm][%password]
+ *
+ * @param credentials Credentials structure on which to set the password
+ * @param data the string containing the username, password etc
+ * @param obtained This enum describes how 'specified' this password is
+ */
+
+void cli_credentials_parse_string(struct cli_credentials *credentials, const char *data, enum credentials_obtained obtained)
+{
+	char *uname, *p;
+
+	if (strcmp("%",data) == 0) {
+		cli_credentials_set_anonymous(credentials);
+		return;
+	}
+
+	uname = talloc_strdup(credentials, data); 
+	if ((p = strchr_m(uname,'%'))) {
+		*p = 0;
+		cli_credentials_set_password(credentials, p+1, obtained);
+	}
+
+	if ((p = strchr_m(uname,'@'))) {
+		cli_credentials_set_principal(credentials, uname, obtained);
+		*p = 0;
+		cli_credentials_set_realm(credentials, p+1, obtained);
+		return;
+	} else if ((p = strchr_m(uname,'\\')) || (p = strchr_m(uname, '/'))) {
+		*p = 0;
+		cli_credentials_set_domain(credentials, uname, obtained);
+		uname = p+1;
+	}
+	cli_credentials_set_username(credentials, uname, obtained);
+}
+
+/**
+ * Given a a credentials structure, print it as a string
+ *
+ * The format output is [domain\\]user[%password] or user[@realm][%password]
+ *
+ * @param credentials Credentials structure on which to set the password
+ * @param mem_ctx The memory context to place the result on
+ */
+
+const char *cli_credentials_get_unparsed_name(struct cli_credentials *credentials, TALLOC_CTX *mem_ctx)
+{
+	const char *bind_dn = cli_credentials_get_bind_dn(credentials);
+	const char *domain;
+	const char *username;
+	const char *name;
+
+	if (bind_dn) {
+		name = talloc_reference(mem_ctx, bind_dn);
+	} else {
+		cli_credentials_get_ntlm_username_domain(credentials, mem_ctx, &username, &domain);
+		if (domain && domain[0]) {
+			name = talloc_asprintf(mem_ctx, "%s\\%s", 
+					       domain, username);
+		} else {
+			name = talloc_asprintf(mem_ctx, "%s", 
+					       username);
+		}
+	}
+	return name;
+}
+
+/**
+ * Specifies default values for domain, workstation and realm
+ * from the smb.conf configuration file
+ *
+ * @param cred Credentials structure to fill in
+ */
+void cli_credentials_set_conf(struct cli_credentials *cred)
+{
+	cli_credentials_set_username(cred, "", CRED_UNINITIALISED);
+	cli_credentials_set_domain(cred, lp_workgroup(), CRED_UNINITIALISED);
+	cli_credentials_set_workstation(cred, lp_netbios_name(), CRED_UNINITIALISED);
+	cli_credentials_set_realm(cred, lp_realm(), CRED_UNINITIALISED);
+}
+
+/**
+ * Guess defaults for credentials from environment variables, 
+ * and from the configuration file
+ * 
+ * @param cred Credentials structure to fill in
+ */
+void cli_credentials_guess(struct cli_credentials *cred)
+{
+	char *p;
+
+	cli_credentials_set_conf(cred);
+	
+	if (getenv("LOGNAME")) {
+		cli_credentials_set_username(cred, getenv("LOGNAME"), CRED_GUESS_ENV);
+	}
+
+	if (getenv("USER")) {
+		cli_credentials_parse_string(cred, getenv("USER"), CRED_GUESS_ENV);
+		if ((p = strchr_m(getenv("USER"),'%'))) {
+			memset(p,0,strlen(cred->password));
+		}
+	}
+
+	if (getenv("DOMAIN")) {
+		cli_credentials_set_domain(cred, getenv("DOMAIN"), CRED_GUESS_ENV);
+	}
+
+	if (getenv("PASSWD")) {
+		cli_credentials_set_password(cred, getenv("PASSWD"), CRED_GUESS_ENV);
+	}
+
+	if (getenv("PASSWD_FD")) {
+		cli_credentials_parse_password_fd(cred, atoi(getenv("PASSWD_FD")), CRED_GUESS_FILE);
+	}
+	
+	if (getenv("PASSWD_FILE")) {
+		cli_credentials_parse_password_file(cred, getenv("PASSWD_FILE"), CRED_GUESS_FILE);
+	}
+	
+	if (cli_credentials_get_kerberos_state(cred) != CRED_DONT_USE_KERBEROS) {
+		cli_credentials_set_ccache(cred, NULL, CRED_GUESS_FILE);
+	}
+}
+
+/**
+ * Attach NETLOGON credentials for use with SCHANNEL
+ */
+
+void cli_credentials_set_netlogon_creds(struct cli_credentials *cred, 
+					struct creds_CredentialState *netlogon_creds)
+{
+	cred->netlogon_creds = talloc_reference(cred, netlogon_creds);
+}
+
+/**
+ * Return attached NETLOGON credentials 
+ */
+
+struct creds_CredentialState *cli_credentials_get_netlogon_creds(struct cli_credentials *cred)
+{
+	return cred->netlogon_creds;
+}
+
+/** 
+ * Set NETLOGON secure channel type
+ */
+
+void cli_credentials_set_secure_channel_type(struct cli_credentials *cred,
+					     enum netr_SchannelType secure_channel_type)
+{
+	cred->secure_channel_type = secure_channel_type;
+}
+
+/**
+ * Return NETLOGON secure chanel type
+ */
+
+enum netr_SchannelType cli_credentials_get_secure_channel_type(struct cli_credentials *cred)
+{
+	return cred->secure_channel_type;
+}
+
+/**
+ * Fill in a credentials structure as the anonymous user
+ */
+void cli_credentials_set_anonymous(struct cli_credentials *cred) 
+{
+	cli_credentials_set_username(cred, "", CRED_SPECIFIED);
+	cli_credentials_set_domain(cred, "", CRED_SPECIFIED);
+	cli_credentials_set_password(cred, NULL, CRED_SPECIFIED);
+}
+
+/**
+ * Describe a credentials context as anonymous or authenticated
+ * @retval True if anonymous, False if a username is specified
+ */
+
+BOOL cli_credentials_is_anonymous(struct cli_credentials *cred)
+{
+	const char *username;
+	
+	if (cred->machine_account_pending) {
+		cli_credentials_set_machine_account(cred);
+	}
+
+	username = cli_credentials_get_username(cred);
+	
+	/* Yes, it is deliberate that we die if we have a NULL pointer
+	 * here - anonymous is "", not NULL, which is 'never specified,
+	 * never guessed', ie programmer bug */
+	if (!username[0]) {
+		return True;
+	}
+
+	return False;
+}
+
+/**
+ * Mark the current password for a credentials struct as wrong. This will 
+ * cause the password to be prompted again (if a callback is set).
+ *
+ * This will decrement the number of times the password can be tried.
+ *
+ * @retval whether the credentials struct is finished
+ */
+BOOL cli_credentials_wrong_password(struct cli_credentials *cred)
+{
+	if (cred->password_obtained != CRED_CALLBACK_RESULT) {
+		return False;
+	}
+	
+	cred->password_obtained = CRED_CALLBACK;
+
+	cred->tries--;
+
+	return (cred->tries > 0);
+}

Samba/source/auth/credentials/credentials.h

@@ -0,0 +1,118 @@
+/* 
+   samba -- Unix SMB/CIFS implementation.
+
+   Client credentials structure
+
+   Copyright (C) Jelmer Vernooij 2004-2006
+   Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005
+
+   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
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+#ifndef __CREDENTIALS_H__
+#define __CREDENTIALS_H__
+
+#include "librpc/gen_ndr/misc.h"
+
+struct ccache_container;
+
+/* In order of priority */
+enum credentials_obtained { 
+	CRED_UNINITIALISED = 0,  /* We don't even have a guess yet */
+	CRED_GUESS_ENV,	         /* Current value should be used, which was guessed */
+	CRED_CALLBACK, 		 /* Callback should be used to obtain value */
+	CRED_GUESS_FILE,	 /* A guess from a file (or file pointed at in env variable) */
+	CRED_CALLBACK_RESULT,    /* Value was obtained from a callback */
+	CRED_SPECIFIED		 /* Was explicitly specified on the command-line */
+};
+
+enum credentials_use_kerberos {
+	CRED_AUTO_USE_KERBEROS = 0, /* Default, we try kerberos if available */
+	CRED_DONT_USE_KERBEROS,     /* Sometimes trying kerberos just does 'bad things', so don't */
+	CRED_MUST_USE_KERBEROS      /* Sometimes administrators are parinoid, so always do kerberos */
+};
+
+#define CLI_CRED_NTLM2       0x01
+#define CLI_CRED_NTLMv2_AUTH 0x02
+#define CLI_CRED_LANMAN_AUTH 0x04
+#define CLI_CRED_NTLM_AUTH   0x08
+#define CLI_CRED_CLEAR_AUTH  0x10   /* TODO:  Push cleartext auth with this flag */
+
+struct cli_credentials {
+	enum credentials_obtained workstation_obtained;
+	enum credentials_obtained username_obtained;
+	enum credentials_obtained password_obtained;
+	enum credentials_obtained domain_obtained;
+	enum credentials_obtained realm_obtained;
+	enum credentials_obtained ccache_obtained;
+	enum credentials_obtained client_gss_creds_obtained;
+	enum credentials_obtained principal_obtained;
+	enum credentials_obtained keytab_obtained;
+	enum credentials_obtained server_gss_creds_obtained;
+
+	const char *workstation;
+	const char *username;
+	const char *password;
+	const char *old_password;
+	const char *domain;
+	const char *realm;
+	const char *principal;
+	const char *salt_principal;
+
+	const char *bind_dn;
+
+	struct samr_Password *nt_hash;
+
+	struct ccache_container *ccache;
+	struct gssapi_creds_container *client_gss_creds;
+	struct keytab_container *keytab;
+	struct gssapi_creds_container *server_gss_creds;
+
+	const char *(*workstation_cb) (struct cli_credentials *);
+	const char *(*password_cb) (struct cli_credentials *);
+	const char *(*username_cb) (struct cli_credentials *);
+	const char *(*domain_cb) (struct cli_credentials *);
+	const char *(*realm_cb) (struct cli_credentials *);
+	const char *(*principal_cb) (struct cli_credentials *);
+
+	/* Private handle for the callback routines to use */
+	void *priv_data;
+
+	struct creds_CredentialState *netlogon_creds;
+	enum netr_SchannelType secure_channel_type;
+	int kvno;
+
+	struct smb_krb5_context *smb_krb5_context;
+
+	/* We are flagged to get machine account details from the
+	 * secrets.ldb when we are asked for a username or password */
+
+	BOOL machine_account_pending;
+	
+	/* Is this a machine account? */
+	BOOL machine_account;
+
+	/* Should we be trying to use kerberos? */
+	enum credentials_use_kerberos use_kerberos;
+
+	/* Number of retries left before bailing out */
+	int tries;
+
+	/* Whether any callback is currently running */
+	BOOL callback_running;
+};
+
+#include "auth/credentials/credentials_proto.h"
+
+#endif /* __CREDENTIALS_H__ */

Samba/source/auth/credentials/credentials_files.c

@@ -0,0 +1,453 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   User credentials handling (as regards on-disk files)
+
+   Copyright (C) Jelmer Vernooij 2005
+   Copyright (C) Tim Potter 2001
+   Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005
+   
+   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
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+#include "lib/ldb/include/ldb.h"
+#include "librpc/gen_ndr/samr.h" /* for struct samrPassword */
+#include "param/secrets.h"
+#include "system/filesys.h"
+#include "db_wrap.h"
+#include "auth/credentials/credentials.h"
+#include "auth/credentials/credentials_krb5.h"
+
+/**
+ * Read a file descriptor, and parse it for a password (eg from a file or stdin)
+ *
+ * @param credentials Credentials structure on which to set the password
+ * @param fd open file descriptor to read the password from 
+ * @param obtained This enum describes how 'specified' this password is
+ */
+
+BOOL cli_credentials_parse_password_fd(struct cli_credentials *credentials, 
+				       int fd, enum credentials_obtained obtained)
+{
+	char *p;
+	char pass[128];
+
+	for(p = pass, *p = '\0'; /* ensure that pass is null-terminated */
+		p && p - pass < sizeof(pass);) {
+		switch (read(fd, p, 1)) {
+		case 1:
+			if (*p != '\n' && *p != '\0') {
+				*++p = '\0'; /* advance p, and null-terminate pass */
+				break;
+			}
+			/* fall through */
+		case 0:
+			if (p - pass) {
+				*p = '\0'; /* null-terminate it, just in case... */
+				p = NULL; /* then force the loop condition to become false */
+				break;
+			} else {
+				fprintf(stderr, "Error reading password from file descriptor %d: %s\n", fd, "empty password\n");
+				return False;
+			}
+
+		default:
+			fprintf(stderr, "Error reading password from file descriptor %d: %s\n",
+					fd, strerror(errno));
+			return False;
+		}
+	}
+
+	cli_credentials_set_password(credentials, pass, obtained);
+	return True;
+}
+
+/**
+ * Read a named file, and parse it for a password
+ *
+ * @param credentials Credentials structure on which to set the password
+ * @param file a named file to read the password from 
+ * @param obtained This enum describes how 'specified' this password is
+ */
+
+BOOL cli_credentials_parse_password_file(struct cli_credentials *credentials, const char *file, enum credentials_obtained obtained)
+{
+	int fd = open(file, O_RDONLY, 0);
+	BOOL ret;
+
+	if (fd < 0) {
+		fprintf(stderr, "Error opening PASSWD_FILE %s: %s\n",
+				file, strerror(errno));
+		return False;
+	}
+
+	ret = cli_credentials_parse_password_fd(credentials, fd, obtained);
+
+	close(fd);
+	
+	return ret;
+}
+
+/**
+ * Read a named file, and parse it for username, domain, realm and password
+ *
+ * @param credentials Credentials structure on which to set the password
+ * @param file a named file to read the details from 
+ * @param obtained This enum describes how 'specified' this password is
+ */
+
+BOOL cli_credentials_parse_file(struct cli_credentials *cred, const char *file, enum credentials_obtained obtained) 
+{
+	uint16_t len = 0;
+	char *ptr, *val, *param;
+	char **lines;
+	int i, numlines;
+
+	lines = file_lines_load(file, &numlines, NULL);
+
+	if (lines == NULL)
+	{
+		/* fail if we can't open the credentials file */
+		d_printf("ERROR: Unable to open credentials file!\n");
+		return False;
+	}
+
+	for (i = 0; i < numlines; i++) {
+		len = strlen(lines[i]);
+
+		if (len == 0)
+			continue;
+
+		/* break up the line into parameter & value.
+		 * will need to eat a little whitespace possibly */
+		param = lines[i];
+		if (!(ptr = strchr_m (lines[i], '=')))
+			continue;
+
+		val = ptr+1;
+		*ptr = '\0';
+
+		/* eat leading white space */
+		while ((*val!='\0') && ((*val==' ') || (*val=='\t')))
+			val++;
+
+		if (strwicmp("password", param) == 0) {
+			cli_credentials_set_password(cred, val, obtained);
+		} else if (strwicmp("username", param) == 0) {
+			cli_credentials_set_username(cred, val, obtained);
+		} else if (strwicmp("domain", param) == 0) {
+			cli_credentials_set_domain(cred, val, obtained);
+		} else if (strwicmp("realm", param) == 0) {
+			cli_credentials_set_realm(cred, val, obtained);
+		}
+		memset(lines[i], 0, len);
+	}
+
+	talloc_free(lines);
+
+	return True;
+}
+
+
+/**
+ * Fill in credentials for the machine trust account, from the secrets database.
+ * 
+ * @param cred Credentials structure to fill in
+ * @retval NTSTATUS error detailing any failure
+ */
+NTSTATUS cli_credentials_set_secrets(struct cli_credentials *cred, 
+				     const char *base,
+				     const char *filter)
+{
+	TALLOC_CTX *mem_ctx;
+	
+	struct ldb_context *ldb;
+	int ldb_ret;
+	struct ldb_message **msgs;
+	const char *attrs[] = {
+		"secret",
+		"priorSecret",
+		"samAccountName",
+		"flatname",
+		"realm",
+		"secureChannelType",
+		"ntPwdHash",
+		"msDS-KeyVersionNumber",
+		"saltPrincipal",
+		"privateKeytab",
+		"krb5Keytab",
+		NULL
+	};
+	
+	const char *machine_account;
+	const char *password;
+	const char *old_password;
+	const char *domain;
+	const char *realm;
+	enum netr_SchannelType sct;
+	const char *salt_principal;
+	const char *keytab;
+	
+	/* ok, we are going to get it now, don't recurse back here */
+	cred->machine_account_pending = False;
+
+	/* some other parts of the system will key off this */
+	cred->machine_account = True;
+
+	mem_ctx = talloc_named(cred, 0, "cli_credentials fetch machine password");
+
+	/* Local secrets are stored in secrets.ldb */
+	ldb = secrets_db_connect(mem_ctx);
+	if (!ldb) {
+		/* set anonymous as the fallback, if the machine account won't work */
+		cli_credentials_set_anonymous(cred);
+		DEBUG(1, ("Could not open secrets.ldb\n"));
+		return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
+	}
+
+	/* search for the secret record */
+	ldb_ret = gendb_search(ldb,
+			       mem_ctx, ldb_dn_new(mem_ctx, ldb, base), 
+			       &msgs, attrs,
+			       "%s", filter);
+	if (ldb_ret == 0) {
+		DEBUG(1, ("Could not find entry to match filter: %s\n",
+			  filter));
+		/* set anonymous as the fallback, if the machine account won't work */
+		cli_credentials_set_anonymous(cred);
+		talloc_free(mem_ctx);
+		return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
+	} else if (ldb_ret != 1) {
+		DEBUG(1, ("Found more than one (%d) entry to match filter: %s\n",
+			  ldb_ret, filter));
+		/* set anonymous as the fallback, if the machine account won't work */
+		cli_credentials_set_anonymous(cred);
+		talloc_free(mem_ctx);
+		return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
+	}
+	
+	password = ldb_msg_find_attr_as_string(msgs[0], "secret", NULL);
+	old_password = ldb_msg_find_attr_as_string(msgs[0], "priorSecret", NULL);
+
+	machine_account = ldb_msg_find_attr_as_string(msgs[0], "samAccountName", NULL);
+
+	if (!machine_account) {
+		DEBUG(1, ("Could not find 'samAccountName' in join record to domain: %s\n",
+			  cli_credentials_get_domain(cred)));
+		/* set anonymous as the fallback, if the machine account won't work */
+		cli_credentials_set_anonymous(cred);
+		talloc_free(mem_ctx);
+		return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
+	}
+
+	salt_principal = ldb_msg_find_attr_as_string(msgs[0], "saltPrincipal", NULL);
+	cli_credentials_set_salt_principal(cred, salt_principal);
+	
+	sct = ldb_msg_find_attr_as_int(msgs[0], "secureChannelType", 0);
+	if (sct) { 
+		cli_credentials_set_secure_channel_type(cred, sct);
+	}
+	
+	if (!password) {
+		const struct ldb_val *nt_password_hash = ldb_msg_find_ldb_val(msgs[0], "ntPwdHash");
+		struct samr_Password hash;
+		ZERO_STRUCT(hash);
+		if (nt_password_hash) {
+			memcpy(hash.hash, nt_password_hash->data, 
+			       MIN(nt_password_hash->length, sizeof(hash.hash)));
+		
+			cli_credentials_set_nt_hash(cred, &hash, CRED_SPECIFIED);
+		} else {
+			cli_credentials_set_password(cred, NULL, CRED_SPECIFIED);
+		}
+	} else {
+		cli_credentials_set_password(cred, password, CRED_SPECIFIED);
+	}
+
+	
+	domain = ldb_msg_find_attr_as_string(msgs[0], "flatname", NULL);
+	if (domain) {
+		cli_credentials_set_domain(cred, domain, CRED_SPECIFIED);
+	}
+
+	realm = ldb_msg_find_attr_as_string(msgs[0], "realm", NULL);
+	if (realm) {
+		cli_credentials_set_realm(cred, realm, CRED_SPECIFIED);
+	}
+
+	cli_credentials_set_username(cred, machine_account, CRED_SPECIFIED);
+
+	cli_credentials_set_kvno(cred, ldb_msg_find_attr_as_int(msgs[0], "msDS-KeyVersionNumber", 0));
+
+	/* If there was an external keytab specified by reference in
+	 * the LDB, then use this.  Otherwise we will make one up
+	 * (chewing CPU time) from the password */
+	keytab = ldb_msg_find_attr_as_string(msgs[0], "krb5Keytab", NULL);
+	if (keytab) {
+		cli_credentials_set_keytab_name(cred, keytab, CRED_SPECIFIED);
+	} else {
+		keytab = ldb_msg_find_attr_as_string(msgs[0], "privateKeytab", NULL);
+		if (keytab) {
+			keytab = talloc_asprintf(mem_ctx, "FILE:%s", private_path(mem_ctx, keytab));
+			if (keytab) {
+				cli_credentials_set_keytab_name(cred, keytab, CRED_SPECIFIED);
+			}
+		}
+	}
+	talloc_free(mem_ctx);
+	
+	return NT_STATUS_OK;
+}
+
+/**
+ * Fill in credentials for the machine trust account, from the secrets database.
+ * 
+ * @param cred Credentials structure to fill in
+ * @retval NTSTATUS error detailing any failure
+ */
+NTSTATUS cli_credentials_set_machine_account(struct cli_credentials *cred)
+{
+	char *filter;
+	/* Bleh, nasty recursion issues: We are setting a machine
+	 * account here, so we don't want the 'pending' flag around
+	 * any more */
+	cred->machine_account_pending = False;
+	filter = talloc_asprintf(cred, SECRETS_PRIMARY_DOMAIN_FILTER, 
+				       cli_credentials_get_domain(cred));
+	return cli_credentials_set_secrets(cred, SECRETS_PRIMARY_DOMAIN_DN,
+					   filter);
+}
+
+/**
+ * Fill in credentials for the machine trust account, from the secrets database.
+ * 
+ * @param cred Credentials structure to fill in
+ * @retval NTSTATUS error detailing any failure
+ */
+NTSTATUS cli_credentials_set_krbtgt(struct cli_credentials *cred)
+{
+	char *filter;
+	/* Bleh, nasty recursion issues: We are setting a machine
+	 * account here, so we don't want the 'pending' flag around
+	 * any more */
+	cred->machine_account_pending = False;
+	filter = talloc_asprintf(cred, SECRETS_KRBTGT_SEARCH,
+				       cli_credentials_get_realm(cred),
+				       cli_credentials_get_domain(cred));
+	return cli_credentials_set_secrets(cred, SECRETS_PRINCIPALS_DN,
+					   filter);
+}
+
+/**
+ * Fill in credentials for the machine trust account, from the secrets database.
+ * 
+ * @param cred Credentials structure to fill in
+ * @retval NTSTATUS error detailing any failure
+ */
+NTSTATUS cli_credentials_set_stored_principal(struct cli_credentials *cred,
+					      const char *serviceprincipal)
+{
+	char *filter;
+	/* Bleh, nasty recursion issues: We are setting a machine
+	 * account here, so we don't want the 'pending' flag around
+	 * any more */
+	cred->machine_account_pending = False;
+	filter = talloc_asprintf(cred, SECRETS_PRINCIPAL_SEARCH,
+				 cli_credentials_get_realm(cred),
+				 cli_credentials_get_domain(cred),
+				 serviceprincipal);
+	return cli_credentials_set_secrets(cred, SECRETS_PRINCIPALS_DN,
+					   filter);
+}
+
+/**
+ * Ask that when required, the credentials system will be filled with
+ * machine trust account, from the secrets database.
+ * 
+ * @param cred Credentials structure to fill in
+ * @note This function is used to call the above function after, rather 
+ *       than during, popt processing.
+ *
+ */
+void cli_credentials_set_machine_account_pending(struct cli_credentials *cred)
+{
+	cred->machine_account_pending = True;
+}
+
+
+NTSTATUS cli_credentials_update_all_keytabs(TALLOC_CTX *parent_ctx)
+{
+	TALLOC_CTX *mem_ctx;
+	int ldb_ret;
+	struct ldb_context *ldb;
+	struct ldb_message **msgs;
+	const char *attrs[] = { NULL };
+	struct cli_credentials *creds;
+	const char *filter;
+	NTSTATUS status;
+	int i, ret;
+
+	mem_ctx = talloc_new(parent_ctx);
+	if (!mem_ctx) {
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	/* Local secrets are stored in secrets.ldb */
+	ldb = secrets_db_connect(mem_ctx);
+	if (!ldb) {
+		DEBUG(1, ("Could not open secrets.ldb\n"));
+		talloc_free(mem_ctx);
+		return NT_STATUS_ACCESS_DENIED;
+	}
+
+	/* search for the secret record, but only of things we can
+	 * actually update */
+	ldb_ret = gendb_search(ldb,
+			       mem_ctx, NULL,
+			       &msgs, attrs,
+			       "(&(objectClass=kerberosSecret)(|(secret=*)(ntPwdHash=*)))");
+	if (ldb_ret == -1) {
+		DEBUG(1, ("Error looking for kerberos type secrets to push into a keytab:: %s", ldb_errstring(ldb)));
+		talloc_free(mem_ctx);
+		return NT_STATUS_INTERNAL_DB_CORRUPTION;
+	}
+
+	for (i=0; i < ldb_ret; i++) {
+		/* Make a credentials structure from it */
+		creds = cli_credentials_init(mem_ctx);
+		if (!creds) {
+			DEBUG(1, ("cli_credentials_init failed!"));
+			talloc_free(mem_ctx);
+			return NT_STATUS_NO_MEMORY;
+		}
+		cli_credentials_set_conf(creds);
+		filter = talloc_asprintf(mem_ctx, "dn=%s", ldb_dn_get_linearized(msgs[i]->dn));
+		status = cli_credentials_set_secrets(creds, NULL, filter);
+		if (!NT_STATUS_IS_OK(status)) {
+			DEBUG(1, ("Failed to read secrets for keytab update for %s\n", 
+				  filter));
+			continue;
+		} 
+		ret = cli_credentials_update_keytab(creds);
+		if (ret != 0) {
+			DEBUG(1, ("Failed to update keytab for %s\n", 
+				  filter));
+			continue;
+		}
+	}
+	return NT_STATUS_OK;
+}
+

Samba/source/auth/credentials/credentials_krb5.c

@@ -0,0 +1,603 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   Handle user credentials (as regards krb5)
+
+   Copyright (C) Jelmer Vernooij 2005
+   Copyright (C) Tim Potter 2001
+   Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005
+   
+   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
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+#include "system/kerberos.h"
+#include "auth/kerberos/kerberos.h"
+#include "auth/credentials/credentials.h"
+#include "auth/credentials/credentials_krb5.h"
+
+int cli_credentials_get_krb5_context(struct cli_credentials *cred, 
+				     struct smb_krb5_context **smb_krb5_context) 
+{
+	int ret;
+	if (cred->smb_krb5_context) {
+		*smb_krb5_context = cred->smb_krb5_context;
+		return 0;
+	}
+
+	ret = smb_krb5_init_context(cred, &cred->smb_krb5_context);
+	if (ret) {
+		return ret;
+	}
+	*smb_krb5_context = cred->smb_krb5_context;
+	return 0;
+}
+
+/* This needs to be called directly after the cli_credentials_init(),
+ * otherwise we might have problems with the krb5 context already
+ * being here.
+ */
+NTSTATUS cli_credentials_set_krb5_context(struct cli_credentials *cred, 
+					  struct smb_krb5_context *smb_krb5_context)
+{
+	if (!talloc_reference(cred, smb_krb5_context)) {
+		return NT_STATUS_NO_MEMORY;
+	}
+	cred->smb_krb5_context = smb_krb5_context;
+	return NT_STATUS_OK;
+}
+
+int cli_credentials_set_from_ccache(struct cli_credentials *cred, 
+				    enum credentials_obtained obtained)
+{
+	
+	krb5_principal princ;
+	krb5_error_code ret;
+	char *name;
+	char **realm;
+
+	if (cred->ccache_obtained > obtained) {
+		return 0;
+	}
+
+	ret = krb5_cc_get_principal(cred->ccache->smb_krb5_context->krb5_context, 
+				    cred->ccache->ccache, &princ);
+
+	if (ret) {
+		char *err_mess = smb_get_krb5_error_message(cred->ccache->smb_krb5_context->krb5_context, ret, cred);
+		DEBUG(1,("failed to get principal from ccache: %s\n", 
+			 err_mess));
+		talloc_free(err_mess);
+		return ret;
+	}
+	
+	ret = krb5_unparse_name(cred->ccache->smb_krb5_context->krb5_context, princ, &name);
+	if (ret) {
+		char *err_mess = smb_get_krb5_error_message(cred->ccache->smb_krb5_context->krb5_context, ret, cred);
+		DEBUG(1,("failed to unparse principal from ccache: %s\n", 
+			 err_mess));
+		talloc_free(err_mess);
+		return ret;
+	}
+
+	realm = krb5_princ_realm(cred->ccache->smb_krb5_context->krb5_context, princ);
+
+	cli_credentials_set_principal(cred, name, obtained);
+
+	free(name);
+
+	krb5_free_principal(cred->ccache->smb_krb5_context->krb5_context, princ);
+
+	cred->ccache_obtained = obtained;
+
+	return 0;
+}
+
+/* Free a memory ccache */
+static int free_mccache(struct ccache_container *ccc)
+{
+	krb5_cc_destroy(ccc->smb_krb5_context->krb5_context, ccc->ccache);
+
+	return 0;
+}
+
+/* Free a disk-based ccache */
+static int free_dccache(struct ccache_container *ccc) {
+	krb5_cc_close(ccc->smb_krb5_context->krb5_context, ccc->ccache);
+
+	return 0;
+}
+
+int cli_credentials_set_ccache(struct cli_credentials *cred, 
+			       const char *name, 
+			       enum credentials_obtained obtained)
+{
+	krb5_error_code ret;
+	krb5_principal princ;
+	struct ccache_container *ccc;
+	if (cred->ccache_obtained > obtained) {
+		return 0;
+	}
+
+	ccc = talloc(cred, struct ccache_container);
+	if (!ccc) {
+		return ENOMEM;
+	}
+
+	ret = cli_credentials_get_krb5_context(cred, &ccc->smb_krb5_context);
+	if (ret) {
+		talloc_free(ccc);
+		return ret;
+	}
+	talloc_reference(ccc, ccc->smb_krb5_context);
+
+	if (name) {
+		ret = krb5_cc_resolve(ccc->smb_krb5_context->krb5_context, name, &ccc->ccache);
+		if (ret) {
+			DEBUG(1,("failed to read krb5 ccache: %s: %s\n", 
+				 name, 
+				 smb_get_krb5_error_message(ccc->smb_krb5_context->krb5_context, ret, ccc)));
+			talloc_free(ccc);
+			return ret;
+		}
+	} else {
+		ret = krb5_cc_default(ccc->smb_krb5_context->krb5_context, &ccc->ccache);
+		if (ret) {
+			DEBUG(3,("failed to read default krb5 ccache: %s\n", 
+				 smb_get_krb5_error_message(ccc->smb_krb5_context->krb5_context, ret, ccc)));
+			talloc_free(ccc);
+			return ret;
+		}
+	}
+
+	talloc_set_destructor(ccc, free_dccache);
+
+	ret = krb5_cc_get_principal(ccc->smb_krb5_context->krb5_context, ccc->ccache, &princ);
+
+	if (ret) {
+		DEBUG(3,("failed to get principal from default ccache: %s\n", 
+			 smb_get_krb5_error_message(ccc->smb_krb5_context->krb5_context, ret, ccc)));
+		talloc_free(ccc);		
+		return ret;
+	}
+
+	krb5_free_principal(ccc->smb_krb5_context->krb5_context, princ);
+
+	cred->ccache = ccc;
+	talloc_steal(cred, ccc);
+
+	ret = cli_credentials_set_from_ccache(cred, obtained);
+
+	if (ret) {
+		return ret;
+	}
+
+	return 0;
+}
+
+
+int cli_credentials_new_ccache(struct cli_credentials *cred, struct ccache_container **_ccc)
+{
+	krb5_error_code ret;
+	char *rand_string;
+	struct ccache_container *ccc = talloc(cred, struct ccache_container);
+	char *ccache_name;
+	if (!ccc) {
+		return ENOMEM;
+	}
+
+	rand_string = generate_random_str(NULL, 16);
+	if (!rand_string) {
+		talloc_free(ccc);
+		return ENOMEM;
+	}
+
+	ccache_name = talloc_asprintf(ccc, "MEMORY:%s", 
+				      rand_string);
+	talloc_free(rand_string);
+
+	if (!ccache_name) {
+		talloc_free(ccc);
+		return ENOMEM;
+	}
+
+	ret = cli_credentials_get_krb5_context(cred, &ccc->smb_krb5_context);
+	if (ret) {
+		talloc_free(ccc);
+		return ret;
+	}
+	talloc_reference(ccc, ccc->smb_krb5_context);
+
+	ret = krb5_cc_resolve(ccc->smb_krb5_context->krb5_context, ccache_name, &ccc->ccache);
+	if (ret) {
+		DEBUG(1,("failed to generate a new krb5 ccache (%s): %s\n", 
+			 ccache_name,
+			 smb_get_krb5_error_message(ccc->smb_krb5_context->krb5_context, ret, ccc)));
+		talloc_free(ccache_name);
+		talloc_free(ccc);
+		return ret;
+	}
+
+	talloc_set_destructor(ccc, free_mccache);
+
+	cred->ccache = ccc;
+	talloc_steal(cred, ccc);
+	talloc_free(ccache_name);
+
+	if (_ccc) {
+		*_ccc = ccc;
+	}
+
+	return ret;
+}
+
+int cli_credentials_get_ccache(struct cli_credentials *cred, 
+			       struct ccache_container **ccc)
+{
+	krb5_error_code ret;
+	
+	if (cred->ccache_obtained >= (MAX(cred->principal_obtained, 
+					  cred->username_obtained))) {
+		*ccc = cred->ccache;
+		return 0;
+	}
+	if (cli_credentials_is_anonymous(cred)) {
+		return EINVAL;
+	}
+
+	ret = cli_credentials_new_ccache(cred, NULL);
+	if (ret) {
+		return ret;
+	}
+	ret = kinit_to_ccache(cred, cred, cred->ccache->smb_krb5_context, cred->ccache->ccache);
+	if (ret) {
+		return ret;
+	}
+	ret = cli_credentials_set_from_ccache(cred, cred->principal_obtained);
+
+	if (ret) {
+		return ret;
+	}
+	*ccc = cred->ccache;
+	return ret;
+}
+
+static int free_gssapi_creds(struct gssapi_creds_container *gcc)
+{
+	OM_uint32 min_stat, maj_stat;
+	maj_stat = gss_release_cred(&min_stat, &gcc->creds);
+	return 0;
+}
+
+int cli_credentials_get_client_gss_creds(struct cli_credentials *cred, 
+					 struct gssapi_creds_container **_gcc) 
+{
+	int ret = 0;
+	OM_uint32 maj_stat, min_stat;
+	struct gssapi_creds_container *gcc;
+	struct ccache_container *ccache;
+	if (cred->client_gss_creds_obtained >= (MAX(cred->ccache_obtained, 
+					     MAX(cred->principal_obtained, 
+						 cred->username_obtained)))) {
+		*_gcc = cred->client_gss_creds;
+		return 0;
+	}
+	ret = cli_credentials_get_ccache(cred, 
+					 &ccache);
+	if (ret) {
+		DEBUG(1, ("Failed to get CCACHE for GSSAPI client: %s\n", error_message(ret)));
+		return ret;
+	}
+
+	gcc = talloc(cred, struct gssapi_creds_container);
+	if (!gcc) {
+		return ENOMEM;
+	}
+
+	maj_stat = gss_krb5_import_cred(&min_stat, ccache->ccache, NULL, NULL, 
+					&gcc->creds);
+	if (maj_stat) {
+		if (min_stat) {
+			ret = min_stat;
+		} else {
+			ret = EINVAL;
+		}
+	}
+	if (ret == 0) {
+		cred->client_gss_creds_obtained = cred->ccache_obtained;
+		talloc_set_destructor(gcc, free_gssapi_creds);
+		cred->client_gss_creds = gcc;
+		*_gcc = gcc;
+	}
+	return ret;
+}
+
+/**
+   Set a gssapi cred_id_t into the credentails system. (Client case)
+
+   This grabs the credentials both 'intact' and getting the krb5
+   ccache out of it.  This routine can be generalised in future for
+   the case where we deal with GSSAPI mechs other than krb5.  
+
+   On sucess, the caller must not free gssapi_cred, as it now belongs
+   to the credentials system.
+*/
+
+int cli_credentials_set_client_gss_creds(struct cli_credentials *cred, 
+					 gss_cred_id_t gssapi_cred,
+					 enum credentials_obtained obtained) 
+{
+	int ret;
+	OM_uint32 maj_stat, min_stat;
+	struct ccache_container *ccc;
+	struct gssapi_creds_container *gcc;
+	if (cred->client_gss_creds_obtained > obtained) {
+		return 0;
+	}
+
+	gcc = talloc(cred, struct gssapi_creds_container);
+	if (!gcc) {
+		return ENOMEM;
+	}
+
+	ret = cli_credentials_new_ccache(cred, &ccc);
+	if (ret != 0) {
+		return ret;
+	}
+
+	maj_stat = gss_krb5_copy_ccache(&min_stat, 
+					gssapi_cred, ccc->ccache);
+	if (maj_stat) {
+		if (min_stat) {
+			ret = min_stat;
+		} else {
+			ret = EINVAL;
+		}
+	}
+
+	if (ret == 0) {
+		ret = cli_credentials_set_from_ccache(cred, obtained);
+	}
+	if (ret == 0) {
+		gcc->creds = gssapi_cred;
+		talloc_set_destructor(gcc, free_gssapi_creds);
+		
+		cred->client_gss_creds_obtained = obtained;
+		cred->client_gss_creds = gcc;
+	}
+	return ret;
+}
+
+/* Get the keytab (actually, a container containing the krb5_keytab)
+ * attached to this context.  If this hasn't been done or set before,
+ * it will be generated from the password.
+ */
+int cli_credentials_get_keytab(struct cli_credentials *cred, 
+			       struct keytab_container **_ktc)
+{
+	krb5_error_code ret;
+	struct keytab_container *ktc;
+	struct smb_krb5_context *smb_krb5_context;
+	TALLOC_CTX *mem_ctx;
+
+	if (cred->keytab_obtained >= (MAX(cred->principal_obtained, 
+					  cred->username_obtained))) {
+		*_ktc = cred->keytab;
+		return 0;
+	}
+
+	if (cli_credentials_is_anonymous(cred)) {
+		return EINVAL;
+	}
+
+	ret = cli_credentials_get_krb5_context(cred, &smb_krb5_context);
+	if (ret) {
+		return ret;
+	}
+
+	mem_ctx = talloc_new(cred);
+	if (!mem_ctx) {
+		return ENOMEM;
+	}
+
+	ret = smb_krb5_create_memory_keytab(mem_ctx, cred, smb_krb5_context, &ktc);
+	if (ret) {
+		talloc_free(mem_ctx);
+		return ret;
+	}
+
+	cred->keytab_obtained = (MAX(cred->principal_obtained, 
+				     cred->username_obtained));
+
+	talloc_steal(cred, ktc);
+	cred->keytab = ktc;
+	*_ktc = cred->keytab;
+	talloc_free(mem_ctx);
+	return ret;
+}
+
+/* Given the name of a keytab (presumably in the format
+ * FILE:/etc/krb5.keytab), open it and attach it */
+
+int cli_credentials_set_keytab_name(struct cli_credentials *cred, 
+				    const char *keytab_name, 
+				    enum credentials_obtained obtained) 
+{
+	krb5_error_code ret;
+	struct keytab_container *ktc;
+	struct smb_krb5_context *smb_krb5_context;
+	TALLOC_CTX *mem_ctx;
+
+	if (cred->keytab_obtained >= obtained) {
+		return 0;
+	}
+
+	ret = cli_credentials_get_krb5_context(cred, &smb_krb5_context);
+	if (ret) {
+		return ret;
+	}
+
+	mem_ctx = talloc_new(cred);
+	if (!mem_ctx) {
+		return ENOMEM;
+	}
+
+	ret = smb_krb5_open_keytab(mem_ctx, smb_krb5_context, 
+				   keytab_name, &ktc);
+	if (ret) {
+		return ret;
+	}
+
+	cred->keytab_obtained = obtained;
+
+	talloc_steal(cred, ktc);
+	cred->keytab = ktc;
+	talloc_free(mem_ctx);
+
+	return ret;
+}
+
+int cli_credentials_update_keytab(struct cli_credentials *cred) 
+{
+	krb5_error_code ret;
+	struct keytab_container *ktc;
+	struct smb_krb5_context *smb_krb5_context;
+	TALLOC_CTX *mem_ctx;
+	
+	mem_ctx = talloc_new(cred);
+	if (!mem_ctx) {
+		return ENOMEM;
+	}
+
+	ret = cli_credentials_get_krb5_context(cred, &smb_krb5_context);
+	if (ret) {
+		talloc_free(mem_ctx);
+		return ret;
+	}
+
+	ret = cli_credentials_get_keytab(cred, &ktc);
+	if (ret != 0) {
+		talloc_free(mem_ctx);
+		return ret;
+	}
+
+	ret = smb_krb5_update_keytab(mem_ctx, cred, smb_krb5_context, ktc);
+
+	talloc_free(mem_ctx);
+	return ret;
+}
+
+/* Get server gss credentials (in gsskrb5, this means the keytab) */
+
+int cli_credentials_get_server_gss_creds(struct cli_credentials *cred, 
+					 struct gssapi_creds_container **_gcc) 
+{
+	int ret = 0;
+	OM_uint32 maj_stat, min_stat;
+	struct gssapi_creds_container *gcc;
+	struct keytab_container *ktc;
+	struct smb_krb5_context *smb_krb5_context;
+	TALLOC_CTX *mem_ctx;
+	krb5_principal princ;
+
+	if (cred->server_gss_creds_obtained >= (MAX(cred->keytab_obtained, 
+						    MAX(cred->principal_obtained, 
+							cred->username_obtained)))) {
+		*_gcc = cred->server_gss_creds;
+		return 0;
+	}
+
+	ret = cli_credentials_get_krb5_context(cred, &smb_krb5_context);
+	if (ret) {
+		return ret;
+	}
+
+	ret = cli_credentials_get_keytab(cred, 
+					 &ktc);
+	if (ret) {
+		DEBUG(1, ("Failed to get keytab for GSSAPI server: %s\n", error_message(ret)));
+		return ret;
+	}
+
+	mem_ctx = talloc_new(cred);
+	if (!mem_ctx) {
+		return ENOMEM;
+	}
+
+	ret = principal_from_credentials(mem_ctx, cred, smb_krb5_context, &princ);
+	if (ret) {
+		DEBUG(1,("cli_credentials_get_server_gss_creds: makeing krb5 principal failed (%s)\n",
+			 smb_get_krb5_error_message(smb_krb5_context->krb5_context, 
+						    ret, mem_ctx)));
+		talloc_free(mem_ctx);
+		return ret;
+	}
+
+	gcc = talloc(cred, struct gssapi_creds_container);
+	if (!gcc) {
+		talloc_free(mem_ctx);
+		return ENOMEM;
+	}
+
+	/* This creates a GSSAPI cred_id_t with the principal and keytab set */
+	maj_stat = gss_krb5_import_cred(&min_stat, NULL, princ, ktc->keytab, 
+					&gcc->creds);
+	if (maj_stat) {
+		if (min_stat) {
+			ret = min_stat;
+		} else {
+			ret = EINVAL;
+		}
+	}
+	if (ret == 0) {
+		cred->server_gss_creds_obtained = cred->keytab_obtained;
+		talloc_set_destructor(gcc, free_gssapi_creds);
+		cred->server_gss_creds = gcc;
+		*_gcc = gcc;
+	}
+	talloc_free(mem_ctx);
+	return ret;
+}
+
+/** 
+ * Set Kerberos KVNO
+ */
+
+void cli_credentials_set_kvno(struct cli_credentials *cred,
+			      int kvno)
+{
+	cred->kvno = kvno;
+}
+
+/**
+ * Return Kerberos KVNO
+ */
+
+int cli_credentials_get_kvno(struct cli_credentials *cred)
+{
+	return cred->kvno;
+}
+
+const char *cli_credentials_get_salt_principal(struct cli_credentials *cred) 
+{
+	return cred->salt_principal;
+}
+
+void cli_credentials_set_salt_principal(struct cli_credentials *cred, const char *principal) 
+{
+	cred->salt_principal = talloc_strdup(cred, principal);
+}
+
+

Samba/source/auth/credentials/credentials_krb5.h

@@ -0,0 +1,32 @@
+/* 
+   samba -- Unix SMB/CIFS implementation.
+
+   Client credentials structure
+
+   Copyright (C) Jelmer Vernooij 2004-2006
+   Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005
+
+   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
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "heimdal/lib/gssapi/gssapi/gssapi.h"
+
+struct ccache_container;
+
+struct gssapi_creds_container {
+	gss_cred_id_t creds;
+};
+
+#include "auth/credentials/credentials_krb5_proto.h"

Samba/source/auth/credentials/credentials_ntlm.c

@@ -0,0 +1,218 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   User credentials handling
+
+   Copyright (C) Andrew Tridgell      2001
+   Copyright (C) Andrew Bartlett <abartlet@samba.org> 2001-2005
+   Copyright (C) Stefan Metzmacher 2005
+   
+   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
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+#include "librpc/gen_ndr/samr.h" /* for struct samrPassword */
+#include "lib/crypto/crypto.h"
+#include "libcli/auth/libcli_auth.h"
+#include "auth/credentials/credentials.h"
+
+void cli_credentials_get_ntlm_username_domain(struct cli_credentials *cred, TALLOC_CTX *mem_ctx, 
+					      const char **username, 
+					      const char **domain) 
+{
+	if (cred->principal_obtained > cred->username_obtained) {
+		*domain = talloc_strdup(mem_ctx, "");
+		*username = cli_credentials_get_principal(cred, mem_ctx);
+	} else {
+		*domain = cli_credentials_get_domain(cred);
+		*username = cli_credentials_get_username(cred);
+	}
+}
+
+NTSTATUS cli_credentials_get_ntlm_response(struct cli_credentials *cred, TALLOC_CTX *mem_ctx, 
+					   int *flags,
+					   DATA_BLOB challenge, DATA_BLOB target_info, 
+					   DATA_BLOB *_lm_response, DATA_BLOB *_nt_response, 
+					   DATA_BLOB *_lm_session_key, DATA_BLOB *_session_key) 
+{
+	const char *user, *domain;
+	DATA_BLOB lm_response, nt_response;
+	DATA_BLOB lm_session_key, session_key;
+	const struct samr_Password *nt_hash;
+	lm_session_key = data_blob(NULL, 0);
+
+	nt_hash = cli_credentials_get_nt_hash(cred, mem_ctx);
+
+	cli_credentials_get_ntlm_username_domain(cred, mem_ctx, &user, &domain);
+
+	/* If we are sending a username@realm login (see function
+	 * above), then we will not send LM, it will not be
+	 * accepted */
+	if (cred->principal_obtained > cred->username_obtained) {
+		*flags = *flags & ~CLI_CRED_LANMAN_AUTH;
+	}
+
+	/* Likewise if we are a machine account (avoid protocol downgrade attacks) */
+	if (cred->machine_account) {
+		*flags = *flags & ~CLI_CRED_LANMAN_AUTH;
+	}
+	
+	if (cred->use_kerberos == CRED_MUST_USE_KERBEROS) {
+		return NT_STATUS_ACCESS_DENIED;
+	}
+
+	if (!nt_hash) {
+		static const uint8_t zeros[16];
+		/* do nothing - blobs are zero length */
+
+		/* session key is all zeros */
+		session_key = data_blob_talloc(mem_ctx, zeros, 16);
+		lm_session_key = data_blob_talloc(mem_ctx, zeros, 16);
+
+		lm_response = data_blob(NULL, 0);
+		nt_response = data_blob(NULL, 0);
+		
+		/* not doing NTLM2 without a password */
+		*flags &= ~CLI_CRED_NTLM2;
+	} else if (*flags & CLI_CRED_NTLMv2_AUTH) {
+
+		if (!target_info.length) {
+			/* be lazy, match win2k - we can't do NTLMv2 without it */
+			DEBUG(1, ("Server did not provide 'target information', required for NTLMv2\n"));
+			return NT_STATUS_INVALID_PARAMETER;
+		}
+
+		/* TODO: if the remote server is standalone, then we should replace 'domain'
+		   with the server name as supplied above */
+		
+		if (!SMBNTLMv2encrypt_hash(mem_ctx,
+					   user, 
+					   domain, 
+					   nt_hash->hash, &challenge, 
+					   &target_info, 
+					   &lm_response, &nt_response, 
+					   NULL, &session_key)) {
+			return NT_STATUS_NO_MEMORY;
+		}
+
+		/* LM Key is incompatible... */
+		*flags &= ~CLI_CRED_LANMAN_AUTH;
+	} else if (*flags & CLI_CRED_NTLM2) {
+		struct MD5Context md5_session_nonce_ctx;
+		uint8_t session_nonce[16];
+		uint8_t session_nonce_hash[16];
+		uint8_t user_session_key[16];
+		
+		lm_response = data_blob_talloc(mem_ctx, NULL, 24);
+		generate_random_buffer(lm_response.data, 8);
+		memset(lm_response.data+8, 0, 16);
+
+		memcpy(session_nonce, challenge.data, 8);
+		memcpy(&session_nonce[8], lm_response.data, 8);
+	
+		MD5Init(&md5_session_nonce_ctx);
+		MD5Update(&md5_session_nonce_ctx, challenge.data, 8);
+		MD5Update(&md5_session_nonce_ctx, lm_response.data, 8);
+		MD5Final(session_nonce_hash, &md5_session_nonce_ctx);
+
+		DEBUG(5, ("NTLMSSP challenge set by NTLM2\n"));
+		DEBUG(5, ("challenge is: \n"));
+		dump_data(5, session_nonce_hash, 8);
+		
+		nt_response = data_blob_talloc(mem_ctx, NULL, 24);
+		SMBOWFencrypt(nt_hash->hash,
+			      session_nonce_hash,
+			      nt_response.data);
+		
+		session_key = data_blob_talloc(mem_ctx, NULL, 16);
+
+		SMBsesskeygen_ntv1(nt_hash->hash, user_session_key);
+		hmac_md5(user_session_key, session_nonce, sizeof(session_nonce), session_key.data);
+		dump_data_pw("NTLM2 session key:\n", session_key.data, session_key.length);
+
+		/* LM Key is incompatible... */
+		*flags &= ~CLI_CRED_LANMAN_AUTH;
+	} else {
+		uint8_t lm_hash[16];
+		nt_response = data_blob_talloc(mem_ctx, NULL, 24);
+		SMBOWFencrypt(nt_hash->hash, challenge.data,
+			      nt_response.data);
+		
+		session_key = data_blob_talloc(mem_ctx, NULL, 16);
+		SMBsesskeygen_ntv1(nt_hash->hash, session_key.data);
+		dump_data_pw("NT session key:\n", session_key.data, session_key.length);
+
+		/* lanman auth is insecure, it may be disabled.  
+		   We may also not have a password */
+		if (*flags & CLI_CRED_LANMAN_AUTH) {
+			const char *password;
+			password = cli_credentials_get_password(cred);
+			if (!password) {
+				lm_response = nt_response;
+			} else {
+				lm_response = data_blob_talloc(mem_ctx, NULL, 24);
+				if (!SMBencrypt(password,challenge.data,
+						lm_response.data)) {
+					/* If the LM password was too long (and therefore the LM hash being
+					   of the first 14 chars only), don't send it.
+
+					   We don't have any better options but to send the NT response 
+					*/
+					data_blob_free(&lm_response);
+					lm_response = nt_response;
+					/* LM Key is incompatible with 'long' passwords */
+					*flags &= ~CLI_CRED_LANMAN_AUTH;
+				} else {
+					E_deshash(password, lm_hash);
+					lm_session_key = data_blob_talloc(mem_ctx, NULL, 16);
+					memcpy(lm_session_key.data, lm_hash, 8);
+					memset(&lm_session_key.data[8], '\0', 8);
+					
+					if (!(*flags & CLI_CRED_NTLM_AUTH)) {
+						session_key = lm_session_key;
+					}
+				}
+			}
+		} else {
+			const char *password;
+
+			/* LM Key is incompatible... */
+			lm_response = nt_response;
+			*flags &= ~CLI_CRED_LANMAN_AUTH;
+
+			password = cli_credentials_get_password(cred);
+			if (password) {
+				E_deshash(password, lm_hash);
+				lm_session_key = data_blob_talloc(mem_ctx, NULL, 16);
+				memcpy(lm_session_key.data, lm_hash, 8);
+				memset(&lm_session_key.data[8], '\0', 8);
+			}
+		}
+	}
+	if (_lm_response) {
+		*_lm_response = lm_response;
+	}
+	if (_nt_response) {
+		*_nt_response = nt_response;
+	}
+	if (_lm_session_key) {
+		*_lm_session_key = lm_session_key;
+	}
+	if (_session_key) {
+		*_session_key = session_key;
+	}
+	return NT_STATUS_OK;
+}
+