-/*
+/*
Unix SMB/CIFS implementation.
Standardised Authentication types
- Copyright (C) Andrew Bartlett 2001
-
+ Copyright (C) Andrew Bartlett 2001
+ 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
+ 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/>.
*/
#ifndef _SAMBA_AUTH_H
#define _SAMBA_AUTH_H
+#include "librpc/gen_ndr/ndr_krb5pac.h"
+#include "librpc/gen_ndr/auth.h"
+#include "../auth/common_auth.h"
+
+extern const char *krbtgt_attrs[];
+extern const char *server_attrs[];
+extern const char *user_attrs[];
+
+union netr_Validation;
+struct netr_SamBaseInfo;
+struct netr_SamInfo3;
+struct loadparm_context;
+
/* modules can use the following to determine if the interface has changed
* please increment the version number after each interface change
* with a comment and maybe update struct auth_critical_sizes.
/* version 1 - version from samba 3.0 - metze */
/* version 2 - initial samba4 version - metze */
/* version 3 - subsequent samba4 version - abartlet */
-#define AUTH_INTERFACE_VERSION 3
-
-/* AUTH_STR - string */
-typedef struct auth_str
-{
- int len;
- char *str;
-} AUTH_STR;
-
-struct auth_usersupplied_info
-{
-
- DATA_BLOB lm_resp;
- DATA_BLOB nt_resp;
- DATA_BLOB lm_interactive_password;
- DATA_BLOB nt_interactive_password;
- 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 */
-
-};
+/* version 4 - subsequent samba4 version - metze */
+/* version 0 - till samba4 is stable - metze */
+#define AUTH4_INTERFACE_VERSION 0
-struct auth_serversupplied_info
-{
- BOOL guest;
-
- struct dom_sid *user_sid;
- struct dom_sid *primary_group_sid;
-
- size_t n_domain_groups;
- struct dom_sid **domain_groups;
-
- DATA_BLOB user_session_key;
- DATA_BLOB lm_session_key;
-
- const char *account_name;
- const char *domain;
-
- const char *full_name;
- const char *logon_script;
- const char *profile_path;
- const char *home_directory;
- const char *home_drive;
-
- NTTIME last_logon;
- NTTIME last_logoff;
- NTTIME acct_expiry;
- NTTIME last_password_change;
- NTTIME allow_password_change;
- NTTIME force_password_change;
-
- uint16 logon_count;
- uint16 bad_password_count;
-
- uint32 acct_flags;
-};
+#define AUTH_SESSION_INFO_DEFAULT_GROUPS 0x01 /* Add the user to the default world and network groups */
+#define AUTH_SESSION_INFO_AUTHENTICATED 0x02 /* Add the user to the 'authenticated users' group */
+#define AUTH_SESSION_INFO_SIMPLE_PRIVILEGES 0x04 /* Use a trivial map between users and privilages, rather than a DB */
+#define AUTH_SESSION_INFO_UNIX_TOKEN 0x08 /* The returned token must have the unix_token and unix_info elements provided */
+
+struct auth_method_context;
+struct auth_check_password_request;
+struct auth4_context;
+struct auth_session_info;
+struct ldb_dn;
+
+struct auth_operations {
+ const char *name;
+
+ /* If you are using this interface, then you are probably
+ * getting something wrong. This interface is only for
+ * security=server, and makes a number of compromises to allow
+ * that. It is not compatible with being a PDC. */
+
+ NTSTATUS (*get_challenge)(struct auth_method_context *ctx, TALLOC_CTX *mem_ctx, uint8_t chal[8]);
-struct auth_session_info
-{
- int refcount;
- /* NT group information taken from the info3 structure */
-
- NT_USER_TOKEN *nt_user_token;
+ /* Given the user supplied info, check if this backend want to handle the password checking */
- struct auth_serversupplied_info *server_info;
+ NTSTATUS (*want_check)(struct auth_method_context *ctx, TALLOC_CTX *mem_ctx,
+ const struct auth_usersupplied_info *user_info);
- DATA_BLOB session_key;
+ /* Given the user supplied info, check a password */
- /* needed to key the schannel credentials */
- const char *workstation;
+ NTSTATUS (*check_password)(struct auth_method_context *ctx, TALLOC_CTX *mem_ctx,
+ const struct auth_usersupplied_info *user_info,
+ struct auth_user_info_dc **interim_info);
+
+ /* Lookup a 'session info interim' return based only on the principal or DN */
+ NTSTATUS (*get_user_info_dc_principal)(TALLOC_CTX *mem_ctx,
+ struct auth4_context *auth_context,
+ const char *principal,
+ struct ldb_dn *user_dn,
+ struct auth_user_info_dc **interim_info);
};
-struct auth_context {
- DATA_BLOB challenge;
+struct auth_method_context {
+ struct auth_method_context *prev, *next;
+ struct auth4_context *auth_ctx;
+ const struct auth_operations *ops;
+ int depth;
+ void *private_data;
+};
- /* Who set this up in the first place? */
- const char *challenge_set_by;
+struct auth4_context {
+ struct {
+ /* Who set this up in the first place? */
+ const char *set_by;
- BOOL challenge_may_be_modified;
+ bool may_be_modified;
- struct auth_methods *challenge_set_method;
+ DATA_BLOB data;
+ } challenge;
/* methods, in the order they should be called */
- struct auth_methods *auth_method_list;
+ struct auth_method_context *methods;
- const uint8_t *(*get_ntlm_challenge)(struct auth_context *auth_context);
- NTSTATUS (*check_ntlm_password)(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);
-};
+ /* the event context to use for calls that can block */
+ struct tevent_context *event_ctx;
-struct auth_methods
-{
- struct auth_methods *prev, *next;
- const char *name; /* What name got this module */
-
- NTSTATUS (*auth)(const struct auth_context *auth_context,
- void *my_private_data,
- TALLOC_CTX *mem_ctx,
- const struct auth_usersupplied_info *user_info,
- struct auth_serversupplied_info **server_info);
-
- 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);
+ /* the messaging context which can be used by backends */
+ struct imessaging_context *msg_ctx;
- /* Function to send a keepalive message on the above structure */
- void (*send_keepalive)(void **private_data);
+ /* loadparm context */
+ struct loadparm_context *lp_ctx;
-};
+ /* SAM database for this local machine - to fill in local groups, or to authenticate local NTLM users */
+ struct ldb_context *sam_ctx;
-struct auth_operations {
- /* the name of the backend */
- const char *name;
+ NTSTATUS (*check_password)(struct auth4_context *auth_ctx,
+ TALLOC_CTX *mem_ctx,
+ const struct auth_usersupplied_info *user_info,
+ struct auth_user_info_dc **user_info_dc);
+
+ NTSTATUS (*get_challenge)(struct auth4_context *auth_ctx, uint8_t chal[8]);
+
+ bool (*challenge_may_be_modified)(struct auth4_context *auth_ctx);
- /* Function to create a member of the authmethods list */
- NTSTATUS (*init)(struct auth_context *, const char *, struct auth_methods **);
+ NTSTATUS (*set_challenge)(struct auth4_context *auth_ctx, const uint8_t chal[8], const char *set_by);
+
+ NTSTATUS (*get_user_info_dc_principal)(TALLOC_CTX *mem_ctx,
+ struct auth4_context *auth_ctx,
+ const char *principal,
+ struct ldb_dn *user_dn,
+ struct auth_user_info_dc **user_info_dc);
+
+ NTSTATUS (*generate_session_info)(TALLOC_CTX *mem_ctx,
+ struct auth4_context *auth_context,
+ struct auth_user_info_dc *user_info_dc,
+ uint32_t session_info_flags,
+ struct auth_session_info **session_info);
};
/* this structure is used by backends to determine the size of some critical types */
int sizeof_auth_methods;
int sizeof_auth_context;
int sizeof_auth_usersupplied_info;
- int sizeof_auth_serversupplied_info;
- int sizeof_auth_str;
+ int sizeof_auth_user_info_dc;
};
+ NTSTATUS encrypt_user_info(TALLOC_CTX *mem_ctx, struct auth4_context *auth_context,
+ enum auth_password_state to_state,
+ const struct auth_usersupplied_info *user_info_in,
+ const struct auth_usersupplied_info **user_info_encrypted);
+
+#include "auth/session.h"
+#include "auth/system_session_proto.h"
+#include "libcli/security/security.h"
+
+struct ldb_message;
+struct ldb_context;
+struct gensec_security;
+struct cli_credentials;
+
+NTSTATUS auth_get_challenge(struct auth4_context *auth_ctx, uint8_t chal[8]);
+NTSTATUS authsam_account_ok(TALLOC_CTX *mem_ctx,
+ struct ldb_context *sam_ctx,
+ uint32_t logon_parameters,
+ struct ldb_dn *domain_dn,
+ struct ldb_message *msg,
+ const char *logon_workstation,
+ const char *name_for_logs,
+ bool allow_domain_trust,
+ bool password_change);
+
+struct auth_session_info *system_session(struct loadparm_context *lp_ctx);
+NTSTATUS authsam_make_user_info_dc(TALLOC_CTX *mem_ctx, struct ldb_context *sam_ctx,
+ const char *netbios_name,
+ const char *domain_name,
+ struct ldb_dn *domain_dn,
+ struct ldb_message *msg,
+ DATA_BLOB user_sess_key, DATA_BLOB lm_sess_key,
+ struct auth_user_info_dc **_user_info_dc);
+NTSTATUS auth_system_session_info(TALLOC_CTX *parent_ctx,
+ struct loadparm_context *lp_ctx,
+ struct auth_session_info **_session_info) ;
+
+NTSTATUS auth_context_create_methods(TALLOC_CTX *mem_ctx, const char **methods,
+ struct tevent_context *ev,
+ struct imessaging_context *msg,
+ struct loadparm_context *lp_ctx,
+ struct ldb_context *sam_ctx,
+ struct auth4_context **auth_ctx);
+const char **auth_methods_from_lp(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx);
+
+NTSTATUS auth_context_create(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct imessaging_context *msg,
+ struct loadparm_context *lp_ctx,
+ struct auth4_context **auth_ctx);
+NTSTATUS auth_context_create_from_ldb(TALLOC_CTX *mem_ctx, struct ldb_context *ldb, struct auth4_context **auth_ctx);
+
+NTSTATUS auth_check_password(struct auth4_context *auth_ctx,
+ TALLOC_CTX *mem_ctx,
+ const struct auth_usersupplied_info *user_info,
+ struct auth_user_info_dc **user_info_dc);
+NTSTATUS auth4_init(void);
+NTSTATUS auth_register(const struct auth_operations *ops);
+NTSTATUS server_service_auth_init(void);
+NTSTATUS authenticate_username_pw(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct imessaging_context *msg,
+ struct loadparm_context *lp_ctx,
+ const char *nt4_domain,
+ const char *nt4_username,
+ const char *password,
+ const uint32_t logon_parameters,
+ struct auth_session_info **session_info);
+
+struct tevent_req *auth_check_password_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct auth4_context *auth_ctx,
+ const struct auth_usersupplied_info *user_info);
+NTSTATUS auth_check_password_recv(struct tevent_req *req,
+ TALLOC_CTX *mem_ctx,
+ struct auth_user_info_dc **user_info_dc);
+
+bool auth_challenge_may_be_modified(struct auth4_context *auth_ctx);
+NTSTATUS auth_context_set_challenge(struct auth4_context *auth_ctx, const uint8_t chal[8], const char *set_by);
+
+NTSTATUS auth_get_user_info_dc_principal(TALLOC_CTX *mem_ctx,
+ struct auth4_context *auth_ctx,
+ const char *principal,
+ struct ldb_dn *user_dn,
+ struct auth_user_info_dc **user_info_dc);
+
+NTSTATUS samba_server_gensec_start(TALLOC_CTX *mem_ctx,
+ struct tevent_context *event_ctx,
+ struct imessaging_context *msg_ctx,
+ struct loadparm_context *lp_ctx,
+ struct cli_credentials *server_credentials,
+ const char *target_service,
+ struct gensec_security **gensec_context);
+
#endif /* _SMBAUTH_H_ */
git.samba.org / amitay / samba.git / blobdiff