source3/auth/proto.h

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  Password and authentication handling
   4  *
   5  *  Copyright (C) Andrew Tridgell               1992-2001
   6  *  Copyright (C) Luke Kenneth Casson Leighton  1996-2000
   7  *  Copyright (C) Jeremy Allison                1997-2001
   8  *  Copyright (C) John H Terpsta                1999-2001
   9  *  Copyright (C) Tim Potter                    2000
  10  *  Copyright (C) Andrew Bartlett               2001-2003
  11  *  Copyright (C) Jelmer Vernooij               2002
  12  *  Copyright (C) Rafal Szczesniak              2002
  13  *  Copyright (C) Gerald Carter                 2003
  14  *  Copyright (C) Volker Lendecke               2006,2010
  15  *  Copyright (C) Michael Adam                  2007
  16  *  Copyright (C) Dan Sledz                     2009
  17  *  Copyright (C) Simo Sorce                    2010
  18  *
  19  *  This program is free software; you can redistribute it and/or modify
  20  *  it under the terms of the GNU General Public License as published by
  21  *  the Free Software Foundation; either version 3 of the License, or
  22  *  (at your option) any later version.
  23  *
  24  *  This program is distributed in the hope that it will be useful,
  25  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  26  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  27  *  GNU General Public License for more details.
  28  *
  29  *  You should have received a copy of the GNU General Public License
  30  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  31  */
  32
  33 #ifndef _AUTH_PROTO_H_
  34 #define _AUTH_PROTO_H_
  35
  36 /* The following definitions come from auth/auth.c  */
  37
  38 NTSTATUS smb_register_auth(int version, const char *name, auth_init_function init);
  39 bool load_auth_module(struct auth_context *auth_context,
  40                       const char *module, auth_methods **ret) ;
  41 NTSTATUS make_auth_context_subsystem(TALLOC_CTX *mem_ctx,
  42                                      struct auth_context **auth_context);
  43 NTSTATUS make_auth_context_fixed(TALLOC_CTX *mem_ctx,
  44                                  struct auth_context **auth_context,
  45                                  uchar chal[8]) ;
  46
  47 /****************************************************************************
  48  Try to get a challenge out of the various authentication modules.
  49  Returns a const char of length 8 bytes.
  50 ****************************************************************************/
  51
  52 NTSTATUS auth_get_ntlm_challenge(struct auth_context *auth_context,
  53                                  uint8_t chal[8]);
  54
  55 /**
  56  * Check a user's Plaintext, LM or NTLM password.
  57  *
  58  * Check a user's password, as given in the user_info struct and return various
  59  * interesting details in the server_info struct.
  60  *
  61  * This function does NOT need to be in a become_root()/unbecome_root() pair
  62  * as it makes the calls itself when needed.
  63  *
  64  * The return value takes precedence over the contents of the server_info
  65  * struct.  When the return is other than NT_STATUS_OK the contents
  66  * of that structure is undefined.
  67  *
  68  * @param mem_ctx   The memory context to use to allocate server_info
  69  *
  70  * @param user_info Contains the user supplied components, including the passwords.
  71  *                  Must be created with make_user_info() or one of its wrappers.
  72  *
  73  * @param auth_context Supplies the challenges and some other data.
  74  *                  Must be created with make_auth_context(), and the challenges should be
  75  *                  filled in, either at creation or by calling the challenge geneation
  76  *                  function auth_get_challenge().
  77  *
  78  * @param server_info If successful, contains information about the authentication,
  79  *                    including a struct samu struct describing the user.
  80  *
  81  * @return An NTSTATUS with NT_STATUS_OK or an appropriate error.
  82  *
  83  **/
  84 NTSTATUS auth_check_ntlm_password(TALLOC_CTX *mem_ctx,
  85                                   const struct auth_context *auth_context,
  86                                   const struct auth_usersupplied_info *user_info,
  87                                   struct auth_serversupplied_info **server_info);
  88
  89 /* The following definitions come from auth/auth_builtin.c  */
  90
  91 NTSTATUS auth_builtin_init(void);
  92
  93 /* The following definitions come from auth/auth_domain.c  */
  94
  95 void attempt_machine_password_change(void);
  96 NTSTATUS auth_domain_init(void);
  97
  98 /* The following definitions come from auth/auth_generic.c  */
  99
 100 NTSTATUS make_auth4_context(TALLOC_CTX *mem_ctx, struct auth4_context **auth4_context_out);
 101 NTSTATUS auth_generic_prepare(TALLOC_CTX *mem_ctx, const struct tsocket_address *remote_address,
 102                               struct gensec_security **gensec_security_out);
 103
 104 NTSTATUS auth_check_password_session_info(struct auth4_context *auth_context,
 105                                           TALLOC_CTX *mem_ctx,
 106                                           struct auth_usersupplied_info *user_info,
 107                                           struct auth_session_info **session_info);
 108
 109 /* The following definitions come from auth/auth_ntlmssp.c  */
 110
 111 NTSTATUS auth3_generate_session_info(struct auth4_context *auth_context,
 112                                      TALLOC_CTX *mem_ctx,
 113                                      void *server_returned_info,
 114                                      const char *original_user_name,
 115                                      uint32_t session_info_flags,
 116                                      struct auth_session_info **session_info);
 117
 118 NTSTATUS auth3_get_challenge(struct auth4_context *auth4_context,
 119                              uint8_t chal[8]);
 120
 121 bool auth3_may_set_challenge(struct auth4_context *auth4_context);
 122 NTSTATUS auth3_set_challenge(struct auth4_context *auth4_context, const uint8_t *chal,
 123                              const char *challenge_set_by);
 124
 125 NTSTATUS auth3_check_password(struct auth4_context *auth4_context,
 126                               TALLOC_CTX *mem_ctx,
 127                               const struct auth_usersupplied_info *user_info,
 128                               void **server_returned_info,
 129                               DATA_BLOB *session_key, DATA_BLOB *lm_session_key);
 130
 131 /* The following definitions come from auth/auth_sam.c  */
 132
 133 NTSTATUS check_sam_security(const DATA_BLOB *challenge,
 134                             TALLOC_CTX *mem_ctx,
 135                             const struct auth_usersupplied_info *user_info,
 136                             struct auth_serversupplied_info **server_info);
 137 NTSTATUS check_sam_security_info3(const DATA_BLOB *challenge,
 138                                   TALLOC_CTX *mem_ctx,
 139                                   const struct auth_usersupplied_info *user_info,
 140                                   struct netr_SamInfo3 **pinfo3);
 141 NTSTATUS auth_sam_init(void);
 142
 143 /* The following definitions come from auth/auth_unix.c  */
 144
 145 NTSTATUS auth_unix_init(void);
 146
 147 /* The following definitions come from auth/auth_util.c  */
 148 struct tsocket_address;
 149
 150 NTSTATUS make_user_info_map(TALLOC_CTX *mem_ctx,
 151                             struct auth_usersupplied_info **user_info,
 152                             const char *smb_name,
 153                             const char *client_domain,
 154                             const char *workstation_name,
 155                             const struct tsocket_address *remote_address,
 156                             const DATA_BLOB *lm_pwd,
 157                             const DATA_BLOB *nt_pwd,
 158                             const struct samr_Password *lm_interactive_pwd,
 159                             const struct samr_Password *nt_interactive_pwd,
 160                             const char *plaintext,
 161                             enum auth_password_state password_state);
 162 bool make_user_info_netlogon_network(TALLOC_CTX *mem_ctx,
 163                                      struct auth_usersupplied_info **user_info,
 164                                      const char *smb_name,
 165                                      const char *client_domain,
 166                                      const char *workstation_name,
 167                                      const struct tsocket_address *remote_address,
 168                                      uint32_t logon_parameters,
 169                                      const uchar *lm_network_pwd,
 170                                      int lm_pwd_len,
 171                                      const uchar *nt_network_pwd,
 172                                      int nt_pwd_len);
 173 bool make_user_info_netlogon_interactive(TALLOC_CTX *mem_ctx,
 174                                          struct auth_usersupplied_info **user_info,
 175                                          const char *smb_name,
 176                                          const char *client_domain,
 177                                          const char *workstation_name,
 178                                          const struct tsocket_address *remote_address,
 179                                          uint32_t logon_parameters,
 180                                          const uchar chal[8],
 181                                          const uchar lm_interactive_pwd[16],
 182                                          const uchar nt_interactive_pwd[16]);
 183 bool make_user_info_for_reply(TALLOC_CTX *mem_ctx,
 184                               struct auth_usersupplied_info **user_info,
 185                               const char *smb_name,
 186                               const char *client_domain,
 187                               const struct tsocket_address *remote_address,
 188                               const uint8_t chal[8],
 189                               DATA_BLOB plaintext_password);
 190 NTSTATUS make_user_info_for_reply_enc(TALLOC_CTX *mem_ctx,
 191                                       struct auth_usersupplied_info **user_info,
 192                                       const char *smb_name,
 193                                       const char *client_domain,
 194                                       const struct tsocket_address *remote_address,
 195                                       DATA_BLOB lm_resp, DATA_BLOB nt_resp);
 196 bool make_user_info_guest(TALLOC_CTX *mem_ctx,
 197                           const struct tsocket_address *remote_address,
 198                           struct auth_usersupplied_info **user_info);
 199
 200 struct samu;
 201 NTSTATUS make_server_info_sam(TALLOC_CTX *mem_ctx,
 202                               struct samu *sampass,
 203                               struct auth_serversupplied_info **pserver_info);
 204 NTSTATUS create_local_token(TALLOC_CTX *mem_ctx,
 205                             const struct auth_serversupplied_info *server_info,
 206                             DATA_BLOB *session_key,
 207                             const char *smb_name,
 208                             struct auth_session_info **session_info_out);
 209 NTSTATUS create_token_from_username(TALLOC_CTX *mem_ctx, const char *username,
 210                                     bool is_guest,
 211                                     uid_t *uid, gid_t *gid,
 212                                     char **found_username,
 213                                     struct security_token **token);
 214 bool user_in_group_sid(const char *username, const struct dom_sid *group_sid);
 215 bool user_sid_in_group_sid(const struct dom_sid *sid, const struct dom_sid *group_sid);
 216 bool user_in_group(const char *username, const char *groupname);
 217 struct passwd;
 218 NTSTATUS make_server_info_pw(TALLOC_CTX *mem_ctx,
 219                              const char *unix_username,
 220                              const struct passwd *pwd,
 221                              struct auth_serversupplied_info **server_info);
 222 NTSTATUS make_session_info_from_username(TALLOC_CTX *mem_ctx,
 223                                          const char *username,
 224                                          bool is_guest,
 225                                          struct auth_session_info **session_info);
 226 struct auth_session_info *copy_session_info(TALLOC_CTX *mem_ctx,
 227                                              const struct auth_session_info *src);
 228 bool init_guest_info(void);
 229 NTSTATUS init_system_session_info(void);
 230 bool session_info_set_session_key(struct auth_session_info *info,
 231                                  DATA_BLOB session_key);
 232 NTSTATUS make_server_info_guest(TALLOC_CTX *mem_ctx,
 233                                 struct auth_serversupplied_info **server_info);
 234 NTSTATUS make_session_info_guest(TALLOC_CTX *mem_ctx,
 235                                 struct auth_session_info **server_info);
 236 NTSTATUS make_session_info_system(TALLOC_CTX *mem_ctx,
 237                                  struct auth_session_info **session_info);
 238 const struct auth_session_info *get_session_info_system(void);
 239 struct passwd *smb_getpwnam( TALLOC_CTX *mem_ctx, const char *domuser,
 240                              char **p_save_username, bool create );
 241 NTSTATUS make_server_info_info3(TALLOC_CTX *mem_ctx,
 242                                 const char *sent_nt_username,
 243                                 const char *domain,
 244                                 struct auth_serversupplied_info **server_info,
 245                                 const struct netr_SamInfo3 *info3);
 246 struct wbcAuthUserInfo;
 247 NTSTATUS make_server_info_wbcAuthUserInfo(TALLOC_CTX *mem_ctx,
 248                                           const char *sent_nt_username,
 249                                           const char *domain,
 250                                           const struct wbcAuthUserInfo *info,
 251                                           struct auth_serversupplied_info **server_info);
 252 void free_user_info(struct auth_usersupplied_info **user_info);
 253 bool is_trusted_domain(const char* dom_name);
 254 NTSTATUS session_extract_session_key(const struct auth_session_info *session_info, DATA_BLOB *session_key, enum session_key_use_intent intent);
 255
 256 /* The following definitions come from auth/user_info.c  */
 257
 258 NTSTATUS make_user_info(TALLOC_CTX *mem_ctx,
 259                         struct auth_usersupplied_info **ret_user_info,
 260                         const char *smb_name,
 261                         const char *internal_username,
 262                         const char *client_domain,
 263                         const char *domain,
 264                         const char *workstation_name,
 265                         const struct tsocket_address *remote_address,
 266                         const DATA_BLOB *lm_pwd,
 267                         const DATA_BLOB *nt_pwd,
 268                         const struct samr_Password *lm_interactive_pwd,
 269                         const struct samr_Password *nt_interactive_pwd,
 270                         const char *plaintext_password,
 271                         enum auth_password_state password_state);
 272 void free_user_info(struct auth_usersupplied_info **user_info);
 273
 274 NTSTATUS do_map_to_guest_server_info(TALLOC_CTX *mem_ctx,
 275                                      NTSTATUS status,
 276                                      const char *user,
 277                                      const char *domain,
 278                                      struct auth_serversupplied_info **server_info);
 279
 280 /* The following definitions come from auth/auth_winbind.c  */
 281
 282 NTSTATUS auth_winbind_init(void);
 283
 284 /* The following definitions come from auth/server_info.c  */
 285
 286 struct netr_SamInfo2;
 287 struct netr_SamInfo3;
 288 struct netr_SamInfo6;
 289
 290 struct auth_serversupplied_info *make_server_info(TALLOC_CTX *mem_ctx);
 291 NTSTATUS serverinfo_to_SamInfo2(struct auth_serversupplied_info *server_info,
 292                                 struct netr_SamInfo2 *sam2);
 293 NTSTATUS serverinfo_to_SamInfo3(const struct auth_serversupplied_info *server_info,
 294                                 struct netr_SamInfo3 *sam3);
 295 NTSTATUS serverinfo_to_SamInfo6(struct auth_serversupplied_info *server_info,
 296                                 struct netr_SamInfo6 *sam6);
 297 NTSTATUS create_info3_from_pac_logon_info(TALLOC_CTX *mem_ctx,
 298                                         const struct PAC_LOGON_INFO *logon_info,
 299                                         struct netr_SamInfo3 **pp_info3);
 300 NTSTATUS samu_to_SamInfo3(TALLOC_CTX *mem_ctx,
 301                           struct samu *samu,
 302                           const char *login_server,
 303                           struct netr_SamInfo3 **_info3,
 304                           struct extra_auth_info *extra);
 305 NTSTATUS passwd_to_SamInfo3(TALLOC_CTX *mem_ctx,
 306                             const char *unix_username,
 307                             const struct passwd *pwd,
 308                             struct netr_SamInfo3 **pinfo3,
 309                             struct extra_auth_info *extra);
 310 struct netr_SamInfo3 *copy_netr_SamInfo3(TALLOC_CTX *mem_ctx,
 311                                          const struct netr_SamInfo3 *orig);
 312
 313 /* The following definitions come from auth/auth_wbc.c  */
 314
 315 NTSTATUS auth_wbc_init(void);
 316
 317 /* The following definitions come from auth/pampass.c  */
 318
 319 bool smb_pam_claim_session(const char *user, const char *tty, const char *rhost);
 320 bool smb_pam_close_session(const char *user, const char *tty, const char *rhost);
 321 NTSTATUS smb_pam_accountcheck(const char *user, const char *rhost);
 322 NTSTATUS smb_pam_passcheck(const char * user, const char * rhost,
 323                            const char * password);
 324 bool smb_pam_passchange(const char *user, const char *rhost,
 325                         const char *oldpassword, const char *newpassword);
 326
 327 /* The following definitions come from auth/pass_check.c  */
 328
 329 void dfs_unlogin(void);
 330 NTSTATUS pass_check(const struct passwd *pass,
 331                     const char *user,
 332                     const char *rhost,
 333                     const char *password,
 334                     bool run_cracker);
 335
 336 /* The following definitions come from auth/token_util.c  */
 337
 338 bool nt_token_check_sid ( const struct dom_sid *sid, const struct security_token *token );
 339 bool nt_token_check_domain_rid( struct security_token *token, uint32_t rid );
 340 struct security_token *get_root_nt_token( void );
 341 NTSTATUS add_aliases(const struct dom_sid *domain_sid,
 342                      struct security_token *token);
 343 struct security_token *create_local_nt_token(TALLOC_CTX *mem_ctx,
 344                                             const struct dom_sid *user_sid,
 345                                             bool is_guest,
 346                                             int num_groupsids,
 347                                             const struct dom_sid *groupsids);
 348 NTSTATUS create_local_nt_token_from_info3(TALLOC_CTX *mem_ctx,
 349                                           bool is_guest,
 350                                           const struct netr_SamInfo3 *info3,
 351                                           const struct extra_auth_info *extra,
 352                                           struct security_token **ntok);
 353 void debug_unix_user_token(int dbg_class, int dbg_lev, uid_t uid, gid_t gid,
 354                            int n_groups, gid_t *groups);
 355
 356 /* The following definitions come from auth/user_util.c  */
 357
 358 bool map_username(TALLOC_CTX *ctx, const char *user_in, char **p_user_out);
 359 bool user_in_netgroup(TALLOC_CTX *ctx, const char *user, const char *ngname);
 360 bool user_in_list(TALLOC_CTX *ctx, const char *user, const char * const *list);
 361
 362 /* The following definitions come from auth/user_krb5.c  */
 363 struct PAC_LOGON_INFO;
 364 NTSTATUS get_user_from_kerberos_info(TALLOC_CTX *mem_ctx,
 365                                      const char *cli_name,
 366                                      const char *princ_name,
 367                                      struct PAC_LOGON_INFO *logon_info,
 368                                      bool *is_mapped,
 369                                      bool *mapped_to_guest,
 370                                      char **ntuser,
 371                                      char **ntdomain,
 372                                      char **username,
 373                                      struct passwd **_pw);
 374 NTSTATUS make_session_info_krb5(TALLOC_CTX *mem_ctx,
 375                                 char *ntuser,
 376                                 char *ntdomain,
 377                                 char *username,
 378                                 struct passwd *pw,
 379                                 const struct netr_SamInfo3 *info3,
 380                                 bool mapped_to_guest, bool username_was_mapped,
 381                                 DATA_BLOB *session_key,
 382                                 struct auth_session_info **session_info);
 383
 384 /* The following definitions come from auth/auth_samba4.c  */
 385
 386 NTSTATUS auth_samba4_init(void);
 387
 388 #endif /* _AUTH_PROTO_H_ */