git.sur5r.net Git - openldap/blob - servers/slapd/syntax.c

   1 /* syntax.c - routines to manage syntax definitions */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
   5  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   6  */
   7
   8 #include "portable.h"
   9
  10 #include <stdio.h>
  11
  12 #include <ac/ctype.h>
  13 #include <ac/string.h>
  14 #include <ac/socket.h>
  15
  16 #include "slap.h"
  17 #include "ldap_pvt.h"
  18
  19 struct sindexrec {
  20         char            *sir_name;
  21         Syntax          *sir_syn;
  22 };
  23
  24 static Avlnode  *syn_index = NULL;
  25 static LDAP_SLIST_HEAD(SyntaxList, slap_syntax) syn_list
  26         = LDAP_SLIST_HEAD_INITIALIZER(&syn_list);
  27
  28 static int
  29 syn_index_cmp(
  30         const void *v_sir1,
  31         const void *v_sir2
  32 )
  33 {
  34         const struct sindexrec *sir1 = v_sir1, *sir2 = v_sir2;
  35         return (strcmp( sir1->sir_name, sir2->sir_name ));
  36 }
  37
  38 static int
  39 syn_index_name_cmp(
  40         const void *name,
  41         const void *sir
  42 )
  43 {
  44         return (strcmp( name, ((const struct sindexrec *)sir)->sir_name ));
  45 }
  46
  47 Syntax *
  48 syn_find( const char *synname )
  49 {
  50         struct sindexrec        *sir = NULL;
  51
  52         if ( (sir = avl_find( syn_index, synname, syn_index_name_cmp )) != NULL ) {
  53                 return( sir->sir_syn );
  54         }
  55         return( NULL );
  56 }
  57
  58 Syntax *
  59 syn_find_desc( const char *syndesc, int *len )
  60 {
  61         Syntax          *synp;
  62
  63         LDAP_SLIST_FOREACH(synp, &syn_list, ssyn_next) {
  64                 if ((*len = dscompare( synp->ssyn_syn.syn_desc, syndesc, '{' /*'}'*/ ))) {
  65                         return synp;
  66                 }
  67         }
  68         return( NULL );
  69 }
  70
  71 void
  72 syn_destroy( void )
  73 {
  74         Syntax *s;
  75
  76         avl_free(syn_index, ldap_memfree);
  77         while( !LDAP_SLIST_EMPTY(&syn_list) ) {
  78                 s = LDAP_SLIST_FIRST(&syn_list);
  79                 LDAP_SLIST_REMOVE_HEAD(&syn_list, ssyn_next);
  80                 ldap_syntax_free((LDAPSyntax *)s);
  81         }
  82 }
  83
  84 static int
  85 syn_insert(
  86     Syntax              *ssyn,
  87     const char          **err
  88 )
  89 {
  90         struct sindexrec        *sir;
  91
  92         LDAP_SLIST_NEXT( ssyn, ssyn_next ) = NULL;
  93         LDAP_SLIST_INSERT_HEAD( &syn_list, ssyn, ssyn_next );
  94
  95         if ( ssyn->ssyn_oid ) {
  96                 sir = (struct sindexrec *)
  97                         SLAP_CALLOC( 1, sizeof(struct sindexrec) );
  98                 if( sir == NULL ) {
  99 #ifdef NEW_LOGGING
 100                         LDAP_LOG( OPERATION, ERR,
 101                                 "syn_insert: SLAP_CALLOC Error\n", 0, 0, 0 );
 102 #else
 103                         Debug( LDAP_DEBUG_ANY, "SLAP_CALLOC Error\n", 0, 0, 0 );
 104 #endif
 105                         return LDAP_OTHER;
 106                 }
 107                 sir->sir_name = ssyn->ssyn_oid;
 108                 sir->sir_syn = ssyn;
 109                 if ( avl_insert( &syn_index, (caddr_t) sir,
 110                                  syn_index_cmp, avl_dup_error ) ) {
 111                         *err = ssyn->ssyn_oid;
 112                         ldap_memfree(sir);
 113                         return SLAP_SCHERR_SYN_DUP;
 114                 }
 115                 /* FIX: temporal consistency check */
 116                 syn_find(sir->sir_name);
 117         }
 118         return 0;
 119 }
 120
 121 int
 122 syn_add(
 123     LDAPSyntax          *syn,
 124     slap_syntax_defs_rec *def,
 125     const char          **err
 126 )
 127 {
 128         Syntax          *ssyn;
 129         int             code;
 130
 131         ssyn = (Syntax *) SLAP_CALLOC( 1, sizeof(Syntax) );
 132         if( ssyn == NULL ) {
 133 #ifdef NEW_LOGGING
 134                 LDAP_LOG( OPERATION, ERR,
 135                         "syn_add: SLAP_CALLOC Error\n", 0, 0, 0 );
 136 #else
 137                 Debug( LDAP_DEBUG_ANY, "SLAP_CALLOC Error\n", 0, 0, 0 );
 138 #endif
 139                 return LDAP_OTHER;
 140         }
 141
 142         AC_MEMCPY( &ssyn->ssyn_syn, syn, sizeof(LDAPSyntax) );
 143
 144         LDAP_SLIST_NEXT(ssyn,ssyn_next) = NULL;
 145
 146         /*
 147          * note: ssyn_bvoid uses the same memory of ssyn_syn.syn_oid;
 148          * ssyn_oidlen is #defined as ssyn_bvoid.bv_len
 149          */
 150         ssyn->ssyn_bvoid.bv_val = ssyn->ssyn_syn.syn_oid;
 151         ssyn->ssyn_oidlen = strlen(syn->syn_oid);
 152         ssyn->ssyn_flags = def->sd_flags;
 153         ssyn->ssyn_validate = def->sd_validate;
 154 #ifndef SLAP_NVALUES
 155         ssyn->ssyn_normalize = def->sd_normalize;
 156 #endif
 157         ssyn->ssyn_pretty = def->sd_pretty;
 158
 159 #ifdef SLAPD_BINARY_CONVERSION
 160         ssyn->ssyn_ber2str = def->sd_ber2str;
 161         ssyn->ssyn_str2ber = def->sd_str2ber;
 162 #endif
 163
 164         code = syn_insert(ssyn, err);
 165         return code;
 166 }
 167
 168 int
 169 register_syntax(
 170         slap_syntax_defs_rec *def )
 171 {
 172         LDAPSyntax      *syn;
 173         int             code;
 174         const char      *err;
 175
 176         syn = ldap_str2syntax( def->sd_desc, &code, &err, LDAP_SCHEMA_ALLOW_ALL);
 177         if ( !syn ) {
 178 #ifdef NEW_LOGGING
 179                 LDAP_LOG( CONFIG, ERR,
 180                         "register_syntax: Error - %s before %s in %s.\n",
 181                         ldap_scherr2str(code), err, def->sd_desc );
 182 #else
 183                 Debug( LDAP_DEBUG_ANY, "Error in register_syntax: %s before %s in %s\n",
 184                     ldap_scherr2str(code), err, def->sd_desc );
 185 #endif
 186
 187                 return( -1 );
 188         }
 189
 190         code = syn_add( syn, def, &err );
 191
 192         ldap_memfree( syn );
 193
 194         if ( code ) {
 195 #ifdef NEW_LOGGING
 196                 LDAP_LOG( CONFIG, ERR,
 197                         "register_syntax: Error - %s %s in %s\n",
 198                         scherr2str(code), err, def->sd_desc );
 199 #else
 200                 Debug( LDAP_DEBUG_ANY, "Error in register_syntax: %s %s in %s\n",
 201                     scherr2str(code), err, def->sd_desc );
 202 #endif
 203
 204                 return( -1 );
 205         }
 206
 207         return( 0 );
 208 }
 209
 210 int
 211 syn_schema_info( Entry *e )
 212 {
 213         struct berval   vals[2];
 214         Syntax          *syn;
 215
 216         AttributeDescription *ad_ldapSyntaxes = slap_schema.si_ad_ldapSyntaxes;
 217
 218         vals[1].bv_val = NULL;
 219
 220         LDAP_SLIST_FOREACH(syn, &syn_list, ssyn_next ) {
 221                 if ( ! syn->ssyn_validate ) {
 222                         /* skip syntaxes without validators */
 223                         continue;
 224                 }
 225                 if ( syn->ssyn_flags & SLAP_SYNTAX_HIDE ) {
 226                         /* hide syntaxes */
 227                         continue;
 228                 }
 229
 230                 if ( ldap_syntax2bv( &syn->ssyn_syn, vals ) == NULL ) {
 231                         return -1;
 232                 }
 233 #if 0
 234 #ifdef NEW_LOGGING
 235                 LDAP_LOG( config, ENTRY,
 236                            "syn_schema_info: Merging syn [%ld] %s\n",
 237                            (long)vals[0].bv_len, vals[0].bv_val, 0 );
 238 #else
 239                 Debug( LDAP_DEBUG_TRACE, "Merging syn [%ld] %s\n",
 240                (long) vals[0].bv_len, vals[0].bv_val, 0 );
 241 #endif
 242
 243 #endif
 244 #ifdef SLAP_NVALUES
 245                 if( attr_merge( e, ad_ldapSyntaxes, vals, NULL /* FIXME */ ) )
 246 #else
 247                 if( attr_merge( e, ad_ldapSyntaxes, vals ) )
 248 #endif
 249                 {
 250                         return -1;
 251                 }
 252                 ldap_memfree( vals[0].bv_val );
 253         }
 254         return 0;
 255 }
 256