Unix SMB/CIFS implementation.
Standardised Authentication types
Copyright (C) Andrew Bartlett 2001
-
+
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,
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.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-/* AUTH_STR - string */
-typedef struct normal_string {
- int len;
- char *str;
-} AUTH_STR;
-
-typedef struct auth_usersupplied_info {
- DATA_BLOB lm_resp;
- DATA_BLOB nt_resp;
- DATA_BLOB lm_interactive_pwd;
- DATA_BLOB nt_interactive_pwd;
- DATA_BLOB plaintext_password;
-
- BOOL encrypted;
-
- AUTH_STR client_domain; /* domain name string */
- AUTH_STR domain; /* domain name after mapping */
- AUTH_STR internal_username; /* username after mapping */
- AUTH_STR smb_name; /* username before mapping */
- AUTH_STR wksta_name; /* workstation name (netbios calling name) unicode string */
-
- uint32 logon_parameters;
-
-} auth_usersupplied_info;
-
-#define SAM_FILL_NAME 0x01
-#define SAM_FILL_INFO3 0x02
-#define SAM_FILL_SAM 0x04
-#define SAM_FILL_UNIX 0x08
-#define SAM_FILL_ALL (SAM_FILL_NAME | SAM_FILL_INFO3 | SAM_FILL_SAM | SAM_FILL_UNIX)
-
-typedef struct auth_serversupplied_info {
- BOOL guest;
-
- uid_t uid;
- gid_t gid;
-
- /* This groups info is needed for when we become_user() for this uid */
- size_t n_groups;
- gid_t *groups;
-
+#include "../auth/common_auth.h"
+
+struct extra_auth_info {
+ struct dom_sid user_sid;
+ struct dom_sid pgid_sid;
+};
+
+struct auth_serversupplied_info {
+ bool guest;
+ bool system;
+
+ struct unix_user_token utok;
+
/* NT group information taken from the info3 structure */
-
- NT_USER_TOKEN *ptok;
-
+
+ struct security_token *security_token;
+
+ /* This is the final session key, as used by SMB signing, and
+ * (truncated to 16 bytes) encryption on the SAMR and LSA pipes
+ * when over ncacn_np.
+ * It is calculated by NTLMSSP from the session key in the info3,
+ * and is set from the Kerberos session key using
+ * krb5_auth_con_getremotesubkey().
+ *
+ * Bottom line, it is not the same as the session keys in info3.
+ */
+
DATA_BLOB user_session_key;
DATA_BLOB lm_session_key;
- char *login_server; /* which server authorized the login? */
-
- uint32 sam_fill_level; /* How far is this structure filled? */
-
- SAM_ACCOUNT *sam_account;
-
- void *pam_handle;
+ struct netr_SamInfo3 *info3;
+
+ /* this structure is filled *only* in pathological cases where the user
+ * sid or the primary group sid are not sids of the domain. Normally
+ * this happens only for unix accounts that have unix domain sids.
+ * This is checked only when info3.rid and/or info3.primary_gid are set
+ * to the special invalid value of 0xFFFFFFFF */
+ struct extra_auth_info extra;
+
+ /*
+ * This is a token from /etc/passwd and /etc/group
+ */
+ bool nss_token;
char *unix_name;
-
-} auth_serversupplied_info;
+
+ /*
+ * For performance reasons we keep an alpha_strcpy-sanitized version
+ * of the username around as long as the global variable current_user
+ * still exists. If we did not do keep this, we'd have to call
+ * alpha_strcpy whenever we do a become_user(), potentially on every
+ * smb request. See set_current_user_info.
+ */
+ char *sanitized_username;
+};
struct auth_context {
DATA_BLOB challenge;
/* Who set this up in the first place? */
const char *challenge_set_by;
- BOOL challenge_may_be_modified;
+ bool challenge_may_be_modified;
struct auth_methods *challenge_set_method;
/* What order are the various methods in? Try to stop it changing under us */
struct auth_methods *auth_method_list;
- TALLOC_CTX *mem_ctx;
- const uint8 *(*get_ntlm_challenge)(struct auth_context *auth_context);
+ NTSTATUS (*get_ntlm_challenge)(struct auth_context *auth_context,
+ uint8_t chal[8]);
NTSTATUS (*check_ntlm_password)(const struct auth_context *auth_context,
const struct auth_usersupplied_info *user_info,
struct auth_serversupplied_info **server_info);
NTSTATUS (*nt_status_squash)(NTSTATUS nt_status);
- void (*free)(struct auth_context **auth_context);
};
typedef struct auth_methods
void *my_private_data,
TALLOC_CTX *mem_ctx,
const struct auth_usersupplied_info *user_info,
- auth_serversupplied_info **server_info);
+ struct auth_serversupplied_info **server_info);
/* If you are using this interface, then you are probably
* getting something wrong. This interface is only for
DATA_BLOB (*get_chal)(const struct auth_context *auth_context,
void **my_private_data,
TALLOC_CTX *mem_ctx);
-
+
/* Used to keep tabs on things like the cli for SMB server authentication */
void *private_data;
-
- /* Function to clean up the above arbitary structure */
- void (*free_private_data)(void **private_data);
-
- /* Function to send a keepalive message on the above structure */
- void (*send_keepalive)(void **private_data);
} auth_methods;
struct auth_init_function_entry *prev, *next;
};
-typedef struct auth_ntlmssp_state {
- TALLOC_CTX *mem_ctx;
- struct auth_context *auth_context;
- struct auth_serversupplied_info *server_info;
- struct ntlmssp_state *ntlmssp_state;
-} AUTH_NTLMSSP_STATE;
+struct auth_ntlmssp_state;
/* Changed from 1 -> 2 to add the logon_parameters field. */
-#define AUTH_INTERFACE_VERSION 2
+/* Changed from 2 -> 3 when we reworked many auth structures to use IDL or be in common with Samba4 */
+#define AUTH_INTERFACE_VERSION 3
#endif /* _SMBAUTH_H_ */
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