source4/param/param.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Generic parameter parsing interface
   4    Copyright (C) Jelmer Vernooij                                          2005
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #ifndef _PARAM_H /* _PARAM_H */
  21 #define _PARAM_H
  22
  23 #include "../lib/util/parmlist.h"
  24
  25 struct param_context {
  26         struct param_section *sections;
  27 };
  28
  29 struct param_section {
  30         const char *name;
  31         struct param_section *prev, *next;
  32         struct parmlist *parameters;
  33 };
  34
  35 struct param_context;
  36 struct smbsrv_connection;
  37
  38 #define Auto (2)
  39
  40 typedef NTSTATUS (*init_module_fn) (void);
  41
  42 /* this needs to be a string which is not in the C library. We
  43    previously used "init_module", but that meant that modules which
  44    did not define this function ended up calling the C library
  45    function init_module() which makes a system call */
  46 #define SAMBA_INIT_MODULE "samba_init_module"
  47
  48 enum server_role {
  49         ROLE_STANDALONE=0,
  50         ROLE_DOMAIN_MEMBER=1,
  51         ROLE_DOMAIN_CONTROLLER=2,
  52 };
  53
  54 enum sid_generator {
  55         SID_GENERATOR_INTERNAL=0,
  56         SID_GENERATOR_BACKEND=1,
  57 };
  58
  59 enum announce_as {/* Types of machine we can announce as. */
  60         ANNOUNCE_AS_NT_SERVER=1,
  61         ANNOUNCE_AS_WIN95=2,
  62         ANNOUNCE_AS_WFW=3,
  63         ANNOUNCE_AS_NT_WORKSTATION=4
  64 };
  65
  66 struct loadparm_context;
  67 struct loadparm_service;
  68 struct smbcli_options;
  69 struct smbcli_session_options;
  70 struct gensec_settings;
  71
  72 void reload_charcnv(struct loadparm_context *lp_ctx);
  73
  74 struct loadparm_service *lp_default_service(struct loadparm_context *lp_ctx);
  75 struct parm_struct *lp_parm_table(void);
  76 int lp_server_role(struct loadparm_context *);
  77 int lp_sid_generator(struct loadparm_context *);
  78 const char **lp_smb_ports(struct loadparm_context *);
  79 int lp_nbt_port(struct loadparm_context *);
  80 int lp_dgram_port(struct loadparm_context *);
  81 int lp_cldap_port(struct loadparm_context *);
  82 int lp_krb5_port(struct loadparm_context *);
  83 int lp_kpasswd_port(struct loadparm_context *);
  84 int lp_web_port(struct loadparm_context *);
  85 const char *lp_swat_directory(struct loadparm_context *);
  86 bool lp_tls_enabled(struct loadparm_context *);
  87 char *lp_tls_keyfile(TALLOC_CTX *mem_ctx, struct loadparm_context *);
  88 char *lp_tls_certfile(TALLOC_CTX *mem_ctx, struct loadparm_context *);
  89 char *lp_tls_cafile(TALLOC_CTX *mem_ctx, struct loadparm_context *);
  90 char *lp_tls_crlfile(TALLOC_CTX *mem_ctx, struct loadparm_context *);
  91 char *lp_tls_dhpfile(TALLOC_CTX *mem_ctx, struct loadparm_context *);
  92 const char *lp_share_backend(struct loadparm_context *);
  93 const char *lp_sam_url(struct loadparm_context *);
  94 const char *lp_idmap_url(struct loadparm_context *);
  95 const char *lp_secrets_url(struct loadparm_context *);
  96 const char *lp_spoolss_url(struct loadparm_context *);
  97 const char *lp_wins_config_url(struct loadparm_context *);
  98 const char *lp_wins_url(struct loadparm_context *);
  99 const char *lp_winbind_separator(struct loadparm_context *);
 100 const char *lp_winbindd_socket_directory(struct loadparm_context *);
 101 const char *lp_winbindd_privileged_socket_directory(struct loadparm_context *);
 102 const char *lp_template_shell(struct loadparm_context *);
 103 const char *lp_template_homedir(struct loadparm_context *);
 104 bool lp_winbind_sealed_pipes(struct loadparm_context *);
 105 bool lp_idmap_trusted_only(struct loadparm_context *);
 106 const char *lp_private_dir(struct loadparm_context *);
 107 const char *lp_serverstring(struct loadparm_context *);
 108 const char *lp_lockdir(struct loadparm_context *);
 109 const char *lp_modulesdir(struct loadparm_context *);
 110 const char *lp_setupdir(struct loadparm_context *);
 111 const char *lp_ncalrpc_dir(struct loadparm_context *);
 112 const char *lp_dos_charset(struct loadparm_context *);
 113 const char *lp_unix_charset(struct loadparm_context *);
 114 const char *lp_display_charset(struct loadparm_context *);
 115 const char *lp_piddir(struct loadparm_context *);
 116 const char **lp_dcerpc_endpoint_servers(struct loadparm_context *);
 117 const char **lp_server_services(struct loadparm_context *);
 118 const char *lp_ntptr_providor(struct loadparm_context *);
 119 const char *lp_auto_services(struct loadparm_context *);
 120 const char *lp_passwd_chat(struct loadparm_context *);
 121 const char **lp_passwordserver(struct loadparm_context *);
 122 const char **lp_name_resolve_order(struct loadparm_context *);
 123 const char *lp_realm(struct loadparm_context *);
 124 const char *lp_dnsdomain(struct loadparm_context *);
 125 const char *lp_socket_options(struct loadparm_context *);
 126 const char *lp_workgroup(struct loadparm_context *);
 127 const char *lp_netbios_name(struct loadparm_context *);
 128 const char *lp_netbios_scope(struct loadparm_context *);
 129 const char **lp_wins_server_list(struct loadparm_context *);
 130 const char **lp_interfaces(struct loadparm_context *);
 131 const char *lp_socket_address(struct loadparm_context *);
 132 const char **lp_netbios_aliases(struct loadparm_context *);
 133 bool lp_disable_netbios(struct loadparm_context *);
 134 bool lp_wins_support(struct loadparm_context *);
 135 bool lp_wins_dns_proxy(struct loadparm_context *);
 136 const char *lp_wins_hook(struct loadparm_context *);
 137 bool lp_local_master(struct loadparm_context *);
 138 bool lp_readraw(struct loadparm_context *);
 139 bool lp_large_readwrite(struct loadparm_context *);
 140 bool lp_writeraw(struct loadparm_context *);
 141 bool lp_null_passwords(struct loadparm_context *);
 142 bool lp_obey_pam_restrictions(struct loadparm_context *);
 143 bool lp_encrypted_passwords(struct loadparm_context *);
 144 bool lp_time_server(struct loadparm_context *);
 145 bool lp_bind_interfaces_only(struct loadparm_context *);
 146 bool lp_unicode(struct loadparm_context *);
 147 bool lp_nt_status_support(struct loadparm_context *);
 148 bool lp_lanman_auth(struct loadparm_context *);
 149 bool lp_ntlm_auth(struct loadparm_context *);
 150 bool lp_client_plaintext_auth(struct loadparm_context *);
 151 bool lp_client_lanman_auth(struct loadparm_context *);
 152 bool lp_client_ntlmv2_auth(struct loadparm_context *);
 153 bool lp_client_use_spnego_principal(struct loadparm_context *);
 154 bool lp_host_msdfs(struct loadparm_context *);
 155 bool lp_unix_extensions(struct loadparm_context *);
 156 bool lp_use_spnego(struct loadparm_context *);
 157 bool lp_rpc_big_endian(struct loadparm_context *);
 158 int lp_max_wins_ttl(struct loadparm_context *);
 159 int lp_min_wins_ttl(struct loadparm_context *);
 160 int lp_maxmux(struct loadparm_context *);
 161 int lp_max_xmit(struct loadparm_context *);
 162 int lp_passwordlevel(struct loadparm_context *);
 163 int lp_srv_maxprotocol(struct loadparm_context *);
 164 int lp_srv_minprotocol(struct loadparm_context *);
 165 int lp_cli_maxprotocol(struct loadparm_context *);
 166 int lp_cli_minprotocol(struct loadparm_context *);
 167 int lp_security(struct loadparm_context *);
 168 bool lp_paranoid_server_security(struct loadparm_context *);
 169 int lp_announce_as(struct loadparm_context *);
 170
 171 const char *lp_servicename(const struct loadparm_service *service);
 172 const char *lp_pathname(struct loadparm_service *, struct loadparm_service *);
 173 const char **lp_hostsallow(struct loadparm_service *, struct loadparm_service *);
 174 const char **lp_hostsdeny(struct loadparm_service *, struct loadparm_service *);
 175 const char *lp_comment(struct loadparm_service *, struct loadparm_service *);
 176 const char *lp_fstype(struct loadparm_service *, struct loadparm_service *);
 177 const char **lp_ntvfs_handler(struct loadparm_service *, struct loadparm_service *);
 178 bool lp_msdfs_root(struct loadparm_service *, struct loadparm_service *);
 179 bool lp_browseable(struct loadparm_service *, struct loadparm_service *);
 180 bool lp_readonly(struct loadparm_service *, struct loadparm_service *);
 181 bool lp_print_ok(struct loadparm_service *, struct loadparm_service *);
 182 bool lp_map_hidden(struct loadparm_service *, struct loadparm_service *);
 183 bool lp_map_archive(struct loadparm_service *, struct loadparm_service *);
 184 bool lp_strict_locking(struct loadparm_service *, struct loadparm_service *);
 185 bool lp_oplocks(struct loadparm_service *, struct loadparm_service *);
 186 bool lp_strict_sync(struct loadparm_service *, struct loadparm_service *);
 187 bool lp_ci_filesystem(struct loadparm_service *, struct loadparm_service *);
 188 bool lp_map_system(struct loadparm_service *, struct loadparm_service *);
 189 int lp_max_connections(struct loadparm_service *, struct loadparm_service *);
 190 int lp_csc_policy(struct loadparm_service *, struct loadparm_service *);
 191 int lp_create_mask(struct loadparm_service *, struct loadparm_service *);
 192 int lp_force_create_mode(struct loadparm_service *, struct loadparm_service *);
 193 int lp_dir_mask(struct loadparm_service *, struct loadparm_service *);
 194 int lp_force_dir_mode(struct loadparm_service *, struct loadparm_service *);
 195 int lp_server_signing(struct loadparm_context *);
 196 int lp_client_signing(struct loadparm_context *);
 197 const char *lp_ntp_signd_socket_directory(struct loadparm_context *);
 198
 199
 200 const char *lp_get_parametric(struct loadparm_context *lp_ctx,
 201                               struct loadparm_service *service,
 202                               const char *type, const char *option);
 203
 204 const char *lp_parm_string(struct loadparm_context *lp_ctx,
 205                            struct loadparm_service *service, const char *type,
 206                            const char *option);
 207 const char **lp_parm_string_list(TALLOC_CTX *mem_ctx,
 208                                  struct loadparm_context *lp_ctx,
 209                                  struct loadparm_service *service,
 210                                  const char *type,
 211                                  const char *option, const char *separator);
 212 int lp_parm_int(struct loadparm_context *lp_ctx,
 213                 struct loadparm_service *service, const char *type,
 214                 const char *option, int default_v);
 215 int lp_parm_bytes(struct loadparm_context *lp_ctx,
 216                   struct loadparm_service *service, const char *type,
 217                   const char *option, int default_v);
 218 unsigned long lp_parm_ulong(struct loadparm_context *lp_ctx,
 219                             struct loadparm_service *service, const char *type,
 220                             const char *option, unsigned long default_v);
 221 double lp_parm_double(struct loadparm_context *lp_ctx,
 222                       struct loadparm_service *service, const char *type,
 223                       const char *option, double default_v);
 224 bool lp_parm_bool(struct loadparm_context *lp_ctx,
 225                   struct loadparm_service *service, const char *type,
 226                   const char *option, bool default_v);
 227 struct loadparm_service *lp_add_service(struct loadparm_context *lp_ctx,
 228                                      const struct loadparm_service *pservice,
 229                                      const char *name);
 230 bool lp_add_home(struct loadparm_context *lp_ctx,
 231                  const char *pszHomename,
 232                  struct loadparm_service *default_service,
 233                  const char *user, const char *pszHomedir);
 234 bool lp_add_printer(struct loadparm_context *lp_ctx,
 235                     const char *pszPrintername,
 236                     struct loadparm_service *default_service);
 237 struct parm_struct *lp_parm_struct(const char *name);
 238 void *lp_parm_ptr(struct loadparm_context *lp_ctx,
 239                   struct loadparm_service *service, struct parm_struct *parm);
 240 bool lp_file_list_changed(struct loadparm_context *lp_ctx);
 241
 242 bool lp_do_global_parameter(struct loadparm_context *lp_ctx,
 243                             const char *pszParmName, const char *pszParmValue);
 244 bool lp_do_service_parameter(struct loadparm_context *lp_ctx,
 245                              struct loadparm_service *service,
 246                              const char *pszParmName, const char *pszParmValue);
 247
 248 /**
 249  * Process a parameter.
 250  */
 251 bool lp_do_global_parameter_var(struct loadparm_context *lp_ctx,
 252                                 const char *pszParmName, const char *fmt, ...);
 253 bool lp_set_cmdline(struct loadparm_context *lp_ctx, const char *pszParmName,
 254                     const char *pszParmValue);
 255 bool lp_set_option(struct loadparm_context *lp_ctx, const char *option);
 256
 257 /**
 258  * Display the contents of a single services record.
 259  */
 260 bool lp_dump_a_parameter(struct loadparm_context *lp_ctx,
 261                          struct loadparm_service *service,
 262                          const char *parm_name, FILE * f);
 263
 264 /**
 265  * Return info about the next service  in a service. snum==-1 gives the globals.
 266  * Return NULL when out of parameters.
 267  */
 268 struct parm_struct *lp_next_parameter(struct loadparm_context *lp_ctx, int snum, int *i,
 269                                       int allparameters);
 270
 271 /**
 272  * Unload unused services.
 273  */
 274 void lp_killunused(struct loadparm_context *lp_ctx,
 275                    struct smbsrv_connection *smb,
 276                    bool (*snumused) (struct smbsrv_connection *, int));
 277
 278 /**
 279  * Initialise the global parameter structure.
 280  */
 281 struct loadparm_context *loadparm_init(TALLOC_CTX *mem_ctx);
 282 const char *lp_configfile(struct loadparm_context *lp_ctx);
 283 bool lp_load_default(struct loadparm_context *lp_ctx);
 284 const char *lp_default_path(void);
 285
 286 /**
 287  * Load the services array from the services file.
 288  *
 289  * Return True on success, False on failure.
 290  */
 291 bool lp_load(struct loadparm_context *lp_ctx, const char *filename);
 292
 293 /**
 294  * Return the max number of services.
 295  */
 296 int lp_numservices(struct loadparm_context *lp_ctx);
 297
 298 /**
 299  * Display the contents of the services array in human-readable form.
 300  */
 301 void lp_dump(struct loadparm_context *lp_ctx, FILE *f, bool show_defaults,
 302              int maxtoprint);
 303
 304 /**
 305  * Display the contents of one service in human-readable form.
 306  */
 307 void lp_dump_one(FILE *f, bool show_defaults, struct loadparm_service *service, struct loadparm_service *sDefault);
 308 struct loadparm_service *lp_servicebynum(struct loadparm_context *lp_ctx,
 309                                          int snum);
 310 struct loadparm_service *lp_service(struct loadparm_context *lp_ctx,
 311                                     const char *service_name);
 312
 313 /**
 314  * A useful volume label function.
 315  */
 316 const char *volume_label(struct loadparm_service *service, struct loadparm_service *sDefault);
 317
 318 /**
 319  * If we are PDC then prefer us as DMB
 320  */
 321 const char *lp_printername(struct loadparm_service *service, struct loadparm_service *sDefault);
 322
 323 /**
 324  * Return the max print jobs per queue.
 325  */
 326 int lp_maxprintjobs(struct loadparm_service *service, struct loadparm_service *sDefault);
 327 struct smb_iconv_convenience *lp_iconv_convenience(struct loadparm_context *lp_ctx);
 328 void lp_smbcli_options(struct loadparm_context *lp_ctx,
 329                          struct smbcli_options *options);
 330 void lp_smbcli_session_options(struct loadparm_context *lp_ctx,
 331                                  struct smbcli_session_options *options);
 332 struct dcerpc_server_info *lp_dcerpc_server_info(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx);
 333 struct gensec_settings *lp_gensec_settings(TALLOC_CTX *, struct loadparm_context *);
 334
 335
 336 /* The following definitions come from param/generic.c  */
 337
 338 struct param_section *param_get_section(struct param_context *ctx, const char *name);
 339 struct parmlist_entry *param_section_get(struct param_section *section,
 340                                     const char *name);
 341 struct parmlist_entry *param_get (struct param_context *ctx, const char *name, const char *section_name);
 342 struct param_section *param_add_section(struct param_context *ctx, const char *section_name);
 343 struct parmlist_entry *param_get_add(struct param_context *ctx, const char *name, const char *section_name);
 344 const char *param_get_string(struct param_context *ctx, const char *param, const char *section);
 345 int param_set_string(struct param_context *ctx, const char *param, const char *value, const char *section);
 346 const char **param_get_string_list(struct param_context *ctx, const char *param, const char *separator, const char *section);
 347 int param_set_string_list(struct param_context *ctx, const char *param, const char **list, const char *section);
 348 int param_get_int(struct param_context *ctx, const char *param, int default_v, const char *section);
 349 void param_set_int(struct param_context *ctx, const char *param, int value, const char *section);
 350 unsigned long param_get_ulong(struct param_context *ctx, const char *param, unsigned long default_v, const char *section);
 351 void param_set_ulong(struct param_context *ctx, const char *name, unsigned long value, const char *section);
 352 struct param_context *param_init(TALLOC_CTX *mem_ctx);
 353 int param_read(struct param_context *ctx, const char *fn);
 354 int param_use(struct loadparm_context *lp_ctx, struct param_context *ctx);
 355 int param_write(struct param_context *ctx, const char *fn);
 356
 357 /* The following definitions come from param/util.c  */
 358
 359
 360 /**
 361  * @file
 362  * @brief Misc utility functions
 363  */
 364 bool lp_is_mydomain(struct loadparm_context *lp_ctx,
 365                              const char *domain);
 366
 367 bool lp_is_my_domain_or_realm(struct loadparm_context *lp_ctx,
 368                               const char *domain);
 369
 370 /**
 371   see if a string matches either our primary or one of our secondary
 372   netbios aliases. do a case insensitive match
 373 */
 374 bool lp_is_myname(struct loadparm_context *lp_ctx, const char *name);
 375
 376 /**
 377  A useful function for returning a path in the Samba lock directory.
 378 **/
 379 char *lock_path(TALLOC_CTX* mem_ctx, struct loadparm_context *lp_ctx,
 380                          const char *name);
 381
 382 /**
 383  * @brief Returns an absolute path to a file in the directory containing the current config file
 384  *
 385  * @param name File to find, relative to the config file directory.
 386  *
 387  * @retval Pointer to a talloc'ed string containing the full path.
 388  **/
 389 char *config_path(TALLOC_CTX* mem_ctx, struct loadparm_context *lp_ctx,
 390                            const char *name);
 391
 392 /**
 393  * @brief Returns an absolute path to a file in the Samba private directory.
 394  *
 395  * @param name File to find, relative to PRIVATEDIR.
 396  * if name is not relative, then use it as-is
 397  *
 398  * @retval Pointer to a talloc'ed string containing the full path.
 399  **/
 400 char *private_path(TALLOC_CTX* mem_ctx,
 401                             struct loadparm_context *lp_ctx,
 402                             const char *name);
 403
 404 /**
 405   return a path in the smbd.tmp directory, where all temporary file
 406   for smbd go. If NULL is passed for name then return the directory
 407   path itself
 408 */
 409 char *smbd_tmp_path(TALLOC_CTX *mem_ctx,
 410                              struct loadparm_context *lp_ctx,
 411                              const char *name);
 412
 413 /**
 414  * Obtain the init function from a shared library file
 415  */
 416 init_module_fn load_module(TALLOC_CTX *mem_ctx, const char *path);
 417
 418 /**
 419  * Obtain list of init functions from the modules in the specified
 420  * directory
 421  */
 422 init_module_fn *load_modules(TALLOC_CTX *mem_ctx, const char *path);
 423
 424 /**
 425  * Run the specified init functions.
 426  *
 427  * @return true if all functions ran successfully, false otherwise
 428  */
 429 bool run_init_functions(init_module_fn *fns);
 430
 431 /**
 432  * Load the initialization functions from DSO files for a specific subsystem.
 433  *
 434  * Will return an array of function pointers to initialization functions
 435  */
 436 init_module_fn *load_samba_modules(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx, const char *subsystem);
 437 const char *lp_messaging_path(TALLOC_CTX *mem_ctx,
 438                                        struct loadparm_context *lp_ctx);
 439 struct smb_iconv_convenience *smb_iconv_convenience_init_lp(TALLOC_CTX *mem_ctx,
 440                                                          struct loadparm_context *lp_ctx);
 441
 442 const char *lp_sam_name(struct loadparm_context *lp_ctx);
 443
 444 /* The following definitions come from lib/version.c  */
 445
 446 const char *samba_version_string(void);
 447
 448
 449 #endif /* _PARAM_H */