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 struct parmlist_entry;
  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 #ifdef CONFIG_H_IS_FROM_SAMBA
  73 #include "param/param_proto.h"
  74 #endif
  75
  76 const char **lpcfg_interfaces(struct loadparm_context *);
  77 const char *lpcfg_realm(struct loadparm_context *);
  78 const char *lpcfg_netbios_name(struct loadparm_context *);
  79 const char *lpcfg_private_dir(struct loadparm_context *);
  80
  81 void reload_charcnv(struct loadparm_context *lp_ctx);
  82
  83 struct loadparm_service *lpcfg_default_service(struct loadparm_context *lp_ctx);
  84 struct parm_struct *lpcfg_parm_table(void);
  85
  86
  87 char *lpcfg_tls_keyfile(TALLOC_CTX *mem_ctx, struct loadparm_context *);
  88 char *lpcfg_tls_certfile(TALLOC_CTX *mem_ctx, struct loadparm_context *);
  89 char *lpcfg_tls_cafile(TALLOC_CTX *mem_ctx, struct loadparm_context *);
  90 char *lpcfg_tls_dhpfile(TALLOC_CTX *mem_ctx, struct loadparm_context *);
  91 char *lpcfg_tls_crlfile(TALLOC_CTX *mem_ctx, struct loadparm_context *);
  92
  93 const char *lpcfg_servicename(const struct loadparm_service *service);
  94
  95
  96 const char *lpcfg_get_parametric(struct loadparm_context *lp_ctx,
  97                               struct loadparm_service *service,
  98                               const char *type, const char *option);
  99
 100 const char *lpcfg_parm_string(struct loadparm_context *lp_ctx,
 101                            struct loadparm_service *service, const char *type,
 102                            const char *option);
 103 const char **lpcfg_parm_string_list(TALLOC_CTX *mem_ctx,
 104                                  struct loadparm_context *lp_ctx,
 105                                  struct loadparm_service *service,
 106                                  const char *type,
 107                                  const char *option, const char *separator);
 108 int lpcfg_parm_int(struct loadparm_context *lp_ctx,
 109                 struct loadparm_service *service, const char *type,
 110                 const char *option, int default_v);
 111 int lpcfg_parm_bytes(struct loadparm_context *lp_ctx,
 112                   struct loadparm_service *service, const char *type,
 113                   const char *option, int default_v);
 114 unsigned long lpcfg_parm_ulong(struct loadparm_context *lp_ctx,
 115                             struct loadparm_service *service, const char *type,
 116                             const char *option, unsigned long default_v);
 117 double lpcfg_parm_double(struct loadparm_context *lp_ctx,
 118                       struct loadparm_service *service, const char *type,
 119                       const char *option, double default_v);
 120 bool lpcfg_parm_bool(struct loadparm_context *lp_ctx,
 121                      struct loadparm_service *service, const char *type,
 122                      const char *option, bool default_v);
 123 struct loadparm_service *lpcfg_add_service(struct loadparm_context *lp_ctx,
 124                                      const struct loadparm_service *pservice,
 125                                      const char *name);
 126 bool lpcfg_add_home(struct loadparm_context *lp_ctx,
 127                  const char *pszHomename,
 128                  struct loadparm_service *default_service,
 129                  const char *user, const char *pszHomedir);
 130 bool lpcfg_add_printer(struct loadparm_context *lp_ctx,
 131                     const char *pszPrintername,
 132                     struct loadparm_service *default_service);
 133 struct parm_struct *lpcfg_parm_struct(const char *name);
 134 void *lpcfg_parm_ptr(struct loadparm_context *lp_ctx,
 135                   struct loadparm_service *service, struct parm_struct *parm);
 136 bool lpcfg_file_list_changed(struct loadparm_context *lp_ctx);
 137
 138 bool lpcfg_do_global_parameter(struct loadparm_context *lp_ctx,
 139                             const char *pszParmName, const char *pszParmValue);
 140 bool lpcfg_do_service_parameter(struct loadparm_context *lp_ctx,
 141                              struct loadparm_service *service,
 142                              const char *pszParmName, const char *pszParmValue);
 143
 144 /**
 145  * Process a parameter.
 146  */
 147 bool lpcfg_do_global_parameter_var(struct loadparm_context *lp_ctx,
 148                                 const char *pszParmName, const char *fmt, ...);
 149 bool lpcfg_set_cmdline(struct loadparm_context *lp_ctx, const char *pszParmName,
 150                     const char *pszParmValue);
 151 bool lpcfg_set_option(struct loadparm_context *lp_ctx, const char *option);
 152
 153 /**
 154  * Display the contents of a single services record.
 155  */
 156 bool lpcfg_dump_a_parameter(struct loadparm_context *lp_ctx,
 157                          struct loadparm_service *service,
 158                          const char *parm_name, FILE * f);
 159
 160 /**
 161  * Return info about the next service  in a service. snum==-1 gives the globals.
 162  * Return NULL when out of parameters.
 163  */
 164 struct parm_struct *lpcfg_next_parameter(struct loadparm_context *lp_ctx, int snum, int *i,
 165                                       int allparameters);
 166
 167 /**
 168  * Unload unused services.
 169  */
 170 void lpcfg_killunused(struct loadparm_context *lp_ctx,
 171                    struct smbsrv_connection *smb,
 172                    bool (*snumused) (struct smbsrv_connection *, int));
 173
 174 /**
 175  * Initialise the global parameter structure.
 176  */
 177 struct loadparm_context *loadparm_init(TALLOC_CTX *mem_ctx);
 178 const char *lpcfg_configfile(struct loadparm_context *lp_ctx);
 179 bool lpcfg_load_default(struct loadparm_context *lp_ctx);
 180 const char *lp_default_path(void);
 181
 182 /**
 183  * Load the services array from the services file.
 184  *
 185  * Return True on success, False on failure.
 186  */
 187 bool lpcfg_load(struct loadparm_context *lp_ctx, const char *filename);
 188
 189 /**
 190  * Return the max number of services.
 191  */
 192 int lpcfg_numservices(struct loadparm_context *lp_ctx);
 193
 194 /**
 195  * Display the contents of the services array in human-readable form.
 196  */
 197 void lpcfg_dump(struct loadparm_context *lp_ctx, FILE *f, bool show_defaults,
 198              int maxtoprint);
 199
 200 /**
 201  * Display the contents of one service in human-readable form.
 202  */
 203 void lpcfg_dump_one(FILE *f, bool show_defaults, struct loadparm_service *service, struct loadparm_service *sDefault);
 204 struct loadparm_service *lpcfg_servicebynum(struct loadparm_context *lp_ctx,
 205                                          int snum);
 206 struct loadparm_service *lpcfg_service(struct loadparm_context *lp_ctx,
 207                                     const char *service_name);
 208
 209 /**
 210  * A useful volume label function.
 211  */
 212 const char *volume_label(struct loadparm_service *service, struct loadparm_service *sDefault);
 213
 214 /**
 215  * If we are PDC then prefer us as DMB
 216  */
 217 const char *lpcfg_printername(struct loadparm_service *service, struct loadparm_service *sDefault);
 218
 219 /**
 220  * Return the max print jobs per queue.
 221  */
 222 int lpcfg_maxprintjobs(struct loadparm_service *service, struct loadparm_service *sDefault);
 223 struct smb_iconv_convenience *lpcfg_iconv_convenience(struct loadparm_context *lp_ctx);
 224 void lpcfg_smbcli_options(struct loadparm_context *lp_ctx,
 225                          struct smbcli_options *options);
 226 void lpcfg_smbcli_session_options(struct loadparm_context *lp_ctx,
 227                                  struct smbcli_session_options *options);
 228 struct dcerpc_server_info *lpcfg_dcerpc_server_info(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx);
 229 struct gensec_settings *lpcfg_gensec_settings(TALLOC_CTX *, struct loadparm_context *);
 230
 231
 232 /* The following definitions come from param/generic.c  */
 233
 234 struct param_section *param_get_section(struct param_context *ctx, const char *name);
 235 struct parmlist_entry *param_section_get(struct param_section *section,
 236                                     const char *name);
 237 struct parmlist_entry *param_get (struct param_context *ctx, const char *name, const char *section_name);
 238 struct param_section *param_add_section(struct param_context *ctx, const char *section_name);
 239 struct parmlist_entry *param_get_add(struct param_context *ctx, const char *name, const char *section_name);
 240 const char *param_get_string(struct param_context *ctx, const char *param, const char *section);
 241 int param_set_string(struct param_context *ctx, const char *param, const char *value, const char *section);
 242 const char **param_get_string_list(struct param_context *ctx, const char *param, const char *separator, const char *section);
 243 int param_set_string_list(struct param_context *ctx, const char *param, const char **list, const char *section);
 244 int param_get_int(struct param_context *ctx, const char *param, int default_v, const char *section);
 245 void param_set_int(struct param_context *ctx, const char *param, int value, const char *section);
 246 unsigned long param_get_ulong(struct param_context *ctx, const char *param, unsigned long default_v, const char *section);
 247 void param_set_ulong(struct param_context *ctx, const char *name, unsigned long value, const char *section);
 248 struct param_context *param_init(TALLOC_CTX *mem_ctx);
 249 int param_read(struct param_context *ctx, const char *fn);
 250 int param_use(struct loadparm_context *lp_ctx, struct param_context *ctx);
 251 int param_write(struct param_context *ctx, const char *fn);
 252
 253 /* The following definitions come from param/util.c  */
 254
 255
 256 /**
 257  * @file
 258  * @brief Misc utility functions
 259  */
 260 bool lpcfg_is_mydomain(struct loadparm_context *lp_ctx,
 261                              const char *domain);
 262
 263 bool lpcfg_is_my_domain_or_realm(struct loadparm_context *lp_ctx,
 264                               const char *domain);
 265
 266 /**
 267   see if a string matches either our primary or one of our secondary
 268   netbios aliases. do a case insensitive match
 269 */
 270 bool lpcfg_is_myname(struct loadparm_context *lp_ctx, const char *name);
 271
 272 /**
 273  A useful function for returning a path in the Samba lock directory.
 274 **/
 275 char *lock_path(TALLOC_CTX* mem_ctx, struct loadparm_context *lp_ctx,
 276                          const char *name);
 277
 278 /**
 279  * @brief Returns an absolute path to a file in the directory containing the current config file
 280  *
 281  * @param name File to find, relative to the config file directory.
 282  *
 283  * @retval Pointer to a talloc'ed string containing the full path.
 284  **/
 285 char *config_path(TALLOC_CTX* mem_ctx, struct loadparm_context *lp_ctx,
 286                            const char *name);
 287
 288 /**
 289  * @brief Returns an absolute path to a file in the Samba private directory.
 290  *
 291  * @param name File to find, relative to PRIVATEDIR.
 292  * if name is not relative, then use it as-is
 293  *
 294  * @retval Pointer to a talloc'ed string containing the full path.
 295  **/
 296 char *private_path(TALLOC_CTX* mem_ctx,
 297                             struct loadparm_context *lp_ctx,
 298                             const char *name);
 299
 300 /**
 301   return a path in the smbd.tmp directory, where all temporary file
 302   for smbd go. If NULL is passed for name then return the directory
 303   path itself
 304 */
 305 char *smbd_tmp_path(TALLOC_CTX *mem_ctx,
 306                              struct loadparm_context *lp_ctx,
 307                              const char *name);
 308
 309 /**
 310  * Obtain the init function from a shared library file
 311  */
 312 init_module_fn load_module(TALLOC_CTX *mem_ctx, const char *path);
 313
 314 /**
 315  * Obtain list of init functions from the modules in the specified
 316  * directory
 317  */
 318 init_module_fn *load_modules(TALLOC_CTX *mem_ctx, const char *path);
 319
 320 /**
 321  * Run the specified init functions.
 322  *
 323  * @return true if all functions ran successfully, false otherwise
 324  */
 325 bool run_init_functions(init_module_fn *fns);
 326
 327 /**
 328  * Load the initialization functions from DSO files for a specific subsystem.
 329  *
 330  * Will return an array of function pointers to initialization functions
 331  */
 332 init_module_fn *load_samba_modules(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx, const char *subsystem);
 333 const char *lpcfg_messaging_path(TALLOC_CTX *mem_ctx,
 334                                        struct loadparm_context *lp_ctx);
 335 struct smb_iconv_convenience *smb_iconv_convenience_reinit_lp(TALLOC_CTX *mem_ctx,
 336                                                               struct loadparm_context *lp_ctx,
 337                                                               struct smb_iconv_convenience *old_ic);
 338
 339 const char *lpcfg_sam_name(struct loadparm_context *lp_ctx);
 340
 341 /* The following definitions come from lib/version.c  */
 342
 343 const char *samba_version_string(void);
 344
 345
 346 #endif /* _PARAM_H */