nis/rpcsvc/nislib.h

   1 /* Copyright (C) 1997, 1998, 1999, 2006, 2007, 2009
   2    Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Thorsten Kukuk <kukuk@suse.de>, 1997.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library 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 GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, write to the Free
  18    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19    02111-1307 USA.  */
  20
  21 #ifndef __RPCSVC_NISLIB_H__
  22 #define __RPCSVC_NISLIB_H__
  23
  24 #include <features.h>
  25
  26 __BEGIN_DECLS
  27
  28 typedef const char *const_nis_name;
  29
  30 /* nis_names: These functions are used to locate and manipulate all NIS+
  31  * objects except the NIS+ entry objects.
  32  *
  33  * nis_lookup (name, flags) resolves a NIS+ name and returns a copy of
  34  *                          that object  from a NIS+ server.
  35  *    const nis_name name: name of the object to be resolved
  36  *    unsigned int flags: logically ORing zero or more flags (FOLLOW_LINKS,
  37  *                          HARD_LOOKUP, [NO_CACHE], MASTER_ONLY, EXPAND_NAME)
  38  *
  39  * nis_add (name, obj) adds objects to the NIS+ namespace.
  40  *    const nis_name name: fully qualified NIS+ name.
  41  *    const nis_object *obj: object members zo_name and zo_domain will be
  42  *                           constructed from name.
  43  *
  44  * nis_remove (name, obj) removes objects from the NIS+ namespace.
  45  *    const nis_name name: fully qualified NIS+ name.
  46  *    const nis_object *obj: if not NULL, it is assumed to point to a copy
  47  *                           of the object being removed. In this case, if
  48  *                           the object on the server does not have the same
  49  *                           object identifier as the  object  being  passed,
  50  *                           the operation will fail with the NIS_NOTSAMEOBJ
  51  *                           error.
  52  *
  53  * nis_modify (name, obj) can change specific attributes of an object
  54  *                        that already exists in the namespace.
  55  */
  56 extern nis_result *nis_lookup (const_nis_name name, unsigned int flags)
  57      __THROW;
  58 extern nis_result *nis_add (const_nis_name name, const nis_object *obj)
  59      __THROW;
  60 extern nis_result *nis_remove (const_nis_name name,
  61                                const nis_object *obj) __THROW;
  62 extern nis_result *nis_modify (const_nis_name name,
  63                                const nis_object *obj) __THROW;
  64
  65 /* nis_tables: These functions are used to search and modify NIS+ tables.
  66  *
  67  * nis_list (table_name, flags, callback(table_name, obj, userdata), userdata)
  68  *           search a table in the NIS+ namespace.
  69  *    const nis_name table_name: indexed name ([xx=yy],table.dir)
  70  *    unsigned int flags: logically ORing one or more flags (FOLLOW_LINKS,
  71  *                      [FOLLOW_PATH], HARD_LOOKUP, [ALL_RESULTS], [NO_CACHE],
  72  *                      MASTER_ONLY, EXPAND_NAME, RETURN_RESULT)
  73  *    callback(): callback is an optional pointer to a function that will
  74  *                process the ENTRY type objects that are returned from the
  75  *                search. If this pointer is NULL, then all entries that match
  76  *                the search criteria are returned in the nis_result structure,
  77  *                otherwise  this  function  will  be  called once for each
  78  *                entry returned.
  79  *    void *userdata: passed to callback function along with the returned
  80  *                    entry object.
  81  *
  82  * nis_add_entry (table_name, obj, flags) will add the NIS+ object to the
  83  *                                        NIS+ table_name.
  84  *    const nis_name table_name
  85  *    const nis_object *obj
  86  *    unsigned int flags: 0, ADD_OVERWRITE, RETURN_RESULT
  87  *
  88  * nis_modify_entry (name, obj, flags) modifies an object identified by name.
  89  *    const nis_name name: object identifier
  90  *    const nis_object *obj: should point to an entry with the EN_MODIFIED
  91  *                           flag set in each column that contains new
  92  *                           information.
  93  *    unsigned int flags: 0, MOD_SAMEOBJ, RETURN_RESULT
  94  *
  95  * nis_remove_entry (table_name, obj, flags) removes a set of entries
  96  *                                 identified by table_name from the table.
  97  *    const nis_name table_name: indexed NIS+ name
  98  *    const nis_object *obj: if obj is non-null, it is presumed to point to
  99  *                           a cached copy of the entry. When the removal is
 100  *                           attempted, and the object that would be removed
 101  *                           is not the same as the cached object pointed to
 102  *                           by object then the operation will fail with an
 103  *                           NIS_NOTSAMEOBJ error
 104  *    unsigned int flags: 0, REM_MULTIPLE
 105  *
 106  * nis_first_entry (table_name) fetches entries from a table one at a time.
 107  *    const nis_name table_name
 108  *
 109  * nis_next_entry (table_name, cookie) retrieves the "next" entry from a
 110  *                                     table specified by table_name.
 111  *    const nis_name table_name:
 112  *    const netobj *cookie: The value of cookie from the nis_result structure
 113  *                          form the previous call.
 114  */
 115 extern nis_result *nis_list (const_nis_name __name, unsigned int __flags,
 116                              int (*__callback)(const_nis_name __table_name,
 117                                                const nis_object *__obj,
 118                                                const void *__userdata),
 119                              const void *__userdata) __THROW;
 120 extern nis_result *nis_add_entry (const_nis_name __table_name,
 121                                   const nis_object *__obj,
 122                                   unsigned int __flags) __THROW;
 123 extern nis_result *nis_modify_entry (const_nis_name __name,
 124                                      const nis_object *__obj,
 125                                      unsigned int __flags) __THROW;
 126 extern nis_result *nis_remove_entry (const_nis_name __table_name,
 127                                      const nis_object *__obj,
 128                                      unsigned int __flags) __THROW;
 129 extern nis_result *nis_first_entry (const_nis_name __table_name) __THROW;
 130 extern nis_result *nis_next_entry (const_nis_name __table_name,
 131                                    const netobj *__cookie) __THROW;
 132 /*
 133 ** nis_server
 134 */
 135 extern nis_error nis_mkdir (const_nis_name __dirname,
 136                             const nis_server *__machine) __THROW;
 137 extern nis_error nis_rmdir (const_nis_name __dirname,
 138                             const nis_server *__machine) __THROW;
 139 extern nis_error nis_servstate (const nis_server *__machine,
 140                                 const nis_tag *__tags, int __numtags,
 141                                 nis_tag **__result) __THROW;
 142 extern nis_error nis_stats (const nis_server *__machine,
 143                             const nis_tag *__tags, int __numtags,
 144                             nis_tag **__result) __THROW;
 145 extern void nis_freetags (nis_tag *__tags, int __numtags) __THROW;
 146 extern nis_server **nis_getservlist (const_nis_name __dirname) __THROW;
 147 extern void nis_freeservlist (nis_server **__machines) __THROW;
 148
 149 /*
 150 ** nis_subr
 151 */
 152 extern nis_name nis_leaf_of (const_nis_name __name) __THROW;
 153 extern nis_name nis_leaf_of_r (const_nis_name __name, char *__buffer,
 154                                size_t __buflen) __THROW;
 155 extern nis_name nis_name_of (const_nis_name __name) __THROW;
 156 extern nis_name nis_name_of_r (const_nis_name __name, char *__buffer,
 157                                size_t __buflen) __THROW;
 158 extern nis_name nis_domain_of (const_nis_name __name) __THROW;
 159 extern nis_name nis_domain_of_r (const_nis_name __name, char *__buffer,
 160                                  size_t __buflen) __THROW;
 161 extern nis_name *nis_getnames (const_nis_name __name) __THROW;
 162 extern void nis_freenames (nis_name *__namelist) __THROW;
 163 extern name_pos nis_dir_cmp (const_nis_name __n1, const_nis_name __n2) __THROW;
 164 extern nis_object *nis_clone_object (const nis_object *__src,
 165                                      nis_object *__dest) __THROW;
 166 extern void nis_destroy_object (nis_object *__obj) __THROW;
 167 extern void nis_print_object (const nis_object *__obj) __THROW;
 168
 169 /*
 170 ** nis_local_names
 171 */
 172 extern nis_name nis_local_group (void) __THROW;
 173 extern nis_name nis_local_directory (void) __THROW;
 174 extern nis_name nis_local_principal (void) __THROW;
 175 extern nis_name nis_local_host (void) __THROW;
 176
 177 /*
 178 ** nis_error
 179 */
 180 extern const char *nis_sperrno (const nis_error __status) __THROW;
 181 extern void nis_perror (const nis_error __status, const char *__label) __THROW;
 182 extern void nis_lerror (const nis_error __status, const char *__label) __THROW;
 183 extern char *nis_sperror (const nis_error status, const char *__label) __THROW;
 184 extern char *nis_sperror_r (const nis_error __status, const char *__label,
 185                             char *__buffer, size_t __buflen) __THROW;
 186 /*
 187 ** nis_groups
 188 */
 189 extern bool_t nis_ismember (const_nis_name __principal,
 190                             const_nis_name __group) __THROW;
 191 extern nis_error nis_addmember (const_nis_name __member,
 192                                 const_nis_name __group) __THROW;
 193 extern nis_error nis_removemember (const_nis_name __member,
 194                                    const_nis_name __group) __THROW;
 195 extern nis_error nis_creategroup (const_nis_name __group,
 196                                   unsigned int __flags) __THROW;
 197 extern nis_error nis_destroygroup (const_nis_name __group) __THROW;
 198 extern void nis_print_group_entry (const_nis_name __group) __THROW;
 199 extern nis_error nis_verifygroup (const_nis_name __group) __THROW;
 200
 201 /*
 202 ** nis_ping
 203 */
 204 extern void nis_ping (const_nis_name __dirname, uint32_t __utime,
 205                       const nis_object *__dirobj) __THROW;
 206 extern nis_result *nis_checkpoint (const_nis_name __dirname) __THROW;
 207
 208 /*
 209 ** nis_print (XXX INTERNAL FUNCTIONS, SHOULD NOT BE USED !!)
 210 */
 211 extern void nis_print_result (const nis_result *__result) __THROW;
 212 extern void nis_print_rights (unsigned int __rights) __THROW;
 213 extern void nis_print_directory (const directory_obj *__dirobj) __THROW;
 214 extern void nis_print_group (const group_obj *__grpobj) __THROW;
 215 extern void nis_print_table (const table_obj *__tblobj) __THROW;
 216 extern void nis_print_link (const link_obj *__lnkobj) __THROW;
 217 extern void nis_print_entry (const entry_obj *__enobj) __THROW;
 218
 219 /*
 220 ** nis_file (XXX INTERNAL FUNCTIONS, SHOULD NOT BE USED !!)
 221 */
 222 extern directory_obj *readColdStartFile (void) __THROW;
 223 extern bool_t writeColdStartFile (const directory_obj *__dirobj) __THROW;
 224 extern nis_object *nis_read_obj (const char *__obj) __THROW;
 225 extern bool_t nis_write_obj (const char *__file, const nis_object *__obj) __THROW;
 226
 227 /*
 228 ** nis_clone - (XXX INTERNAL FUNCTIONS, SHOULD NOT BE USED !!)
 229 */
 230 extern directory_obj *nis_clone_directory (const directory_obj *__src,
 231                                            directory_obj *__dest) __THROW;
 232 extern nis_result *nis_clone_result (const nis_result *__src,
 233                                      nis_result *__dest) __THROW;
 234
 235 /* nis_free - nis_freeresult */
 236 extern void nis_freeresult (nis_result *__result) __THROW;
 237 /* (XXX THE FOLLOWING ARE INTERNAL FUNCTIONS, SHOULD NOT BE USED !!) */
 238 extern void nis_free_request (ib_request *__req) __THROW;
 239 extern void nis_free_directory (directory_obj *__dirobj) __THROW;
 240 extern void nis_free_object (nis_object *__obj) __THROW;
 241
 242 /* (XXX INTERNAL FUNCTIONS, SHOULD NOT BE USED !!) */
 243 extern nis_name __nis_default_owner (char *) __THROW;
 244 extern nis_name __nis_default_group (char *) __THROW;
 245 extern uint32_t __nis_default_ttl (char *) __THROW;
 246 extern unsigned int __nis_default_access (char *, unsigned int) __THROW;
 247 extern fd_result *__nis_finddirectory (directory_obj *, const_nis_name) __THROW;
 248 extern void __free_fdresult (fd_result *) __THROW;
 249 extern uint32_t __nis_hash (const void *__keyarg, size_t __len) __THROW;
 250
 251 /* NIS+ cache locking */
 252 extern int __nis_lock_cache (void) __THROW;
 253 extern int __nis_unlock_cache (void) __THROW;
 254
 255 /* (XXX INTERNAL FUNCTIONS, ONLY FOR rpc.nisd AND glibc !!) */
 256 #if defined (NIS_INTERNAL) || defined (_LIBC)
 257
 258 struct dir_binding
 259 {
 260   CLIENT *clnt;                  /* RPC CLIENT handle */
 261   nis_server *server_val;        /* List of servers */
 262   unsigned int server_len;       /* # of servers */
 263   unsigned int server_used;      /* Which server we are bind in the moment ? */
 264   unsigned int current_ep;       /* Which endpoint of the server are in use? */
 265   unsigned int trys;             /* How many server have we tried ? */
 266   unsigned int class;            /* From which class is server_val ? */
 267   bool_t master_only;            /* Is only binded to the master */
 268   bool_t use_auth;               /* Do we use AUTH ? */
 269   bool_t use_udp;                /* Do we use UDP ? */
 270   struct sockaddr_in addr;       /* Server's IP address */
 271   int socket;                    /* Server's local socket */
 272 };
 273 typedef struct dir_binding dir_binding;
 274
 275 extern nis_error __nisbind_create (dir_binding *, const nis_server *,
 276                                    unsigned int, unsigned int, unsigned int,
 277                                    unsigned int) __THROW;
 278 extern nis_error __nisbind_connect (dir_binding *) __THROW;
 279 extern nis_error __nisbind_next (dir_binding *) __THROW;
 280 extern void __nisbind_destroy (dir_binding *) __THROW;
 281 extern nis_error __nisfind_server (const_nis_name, int, directory_obj **,
 282                                    dir_binding *, unsigned int) __THROW;
 283
 284 #endif
 285
 286 __END_DECLS
 287
 288 #endif  /* __RPCSVC_NISLIB_H__ */