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

   1 /* syntax.c - routines to manage syntax definitions */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-2002 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 Syntax *syn_list = NULL;
  26
  27 static int
  28 syn_index_cmp(
  29         const void *v_sir1,
  30         const void *v_sir2
  31 )
  32 {
  33         const struct sindexrec *sir1 = v_sir1, *sir2 = v_sir2;
  34         return (strcmp( sir1->sir_name, sir2->sir_name ));
  35 }
  36
  37 static int
  38 syn_index_name_cmp(
  39         const void *name,
  40         const void *sir
  41 )
  42 {
  43         return (strcmp( name, ((const struct sindexrec *)sir)->sir_name ));
  44 }
  45
  46 Syntax *
  47 syn_find( const char *synname )
  48 {
  49         struct sindexrec        *sir = NULL;
  50
  51         if ( (sir = avl_find( syn_index, synname, syn_index_name_cmp )) != NULL ) {
  52                 return( sir->sir_syn );
  53         }
  54         return( NULL );
  55 }
  56
  57 Syntax *
  58 syn_find_desc( const char *syndesc, int *len )
  59 {
  60         Syntax          *synp;
  61
  62         for (synp = syn_list; synp; synp = synp->ssyn_next)
  63                 if ((*len = dscompare( synp->ssyn_syn.syn_desc, syndesc, '{')))
  64                         return synp;
  65         return( NULL );
  66 }
  67
  68 void
  69 syn_destroy( void )
  70 {
  71         Syntax *s, *n;
  72
  73         avl_free(syn_index, ldap_memfree);
  74         for (s=syn_list; s; s=n) {
  75                 n = s->ssyn_next;
  76                 ldap_syntax_free((LDAPSyntax *)s);
  77         }
  78 }
  79
  80 static int
  81 syn_insert(
  82     Syntax              *ssyn,
  83     const char          **err
  84 )
  85 {
  86         Syntax          **synp;
  87         struct sindexrec        *sir;
  88
  89         synp = &syn_list;
  90         while ( *synp != NULL ) {
  91                 synp = &(*synp)->ssyn_next;
  92         }
  93         *synp = ssyn;
  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         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         ssyn->ssyn_normalize = def->sd_normalize;
 155         ssyn->ssyn_pretty = def->sd_pretty;
 156
 157 #ifdef SLAPD_BINARY_CONVERSION
 158         ssyn->ssyn_ber2str = def->sd_ber2str;
 159         ssyn->ssyn_str2ber = def->sd_str2ber;
 160 #endif
 161
 162         code = syn_insert(ssyn, err);
 163         return code;
 164 }
 165
 166 int
 167 register_syntax(
 168         slap_syntax_defs_rec *def )
 169 {
 170         LDAPSyntax      *syn;
 171         int             code;
 172         const char      *err;
 173
 174         syn = ldap_str2syntax( def->sd_desc, &code, &err, LDAP_SCHEMA_ALLOW_ALL);
 175         if ( !syn ) {
 176 #ifdef NEW_LOGGING
 177                 LDAP_LOG( CONFIG, ERR,
 178                         "register_syntax: Error - %s before %s in %s.\n",
 179                         ldap_scherr2str(code), err, def->sd_desc );
 180 #else
 181                 Debug( LDAP_DEBUG_ANY, "Error in register_syntax: %s before %s in %s\n",
 182                     ldap_scherr2str(code), err, def->sd_desc );
 183 #endif
 184
 185                 return( -1 );
 186         }
 187
 188         code = syn_add( syn, def, &err );
 189
 190         ldap_memfree( syn );
 191
 192         if ( code ) {
 193 #ifdef NEW_LOGGING
 194                 LDAP_LOG( CONFIG, ERR,
 195                         "register_syntax: Error - %s %s in %s\n",
 196                         scherr2str(code), err, def->sd_desc );
 197 #else
 198                 Debug( LDAP_DEBUG_ANY, "Error in register_syntax: %s %s in %s\n",
 199                     scherr2str(code), err, def->sd_desc );
 200 #endif
 201
 202                 return( -1 );
 203         }
 204
 205         return( 0 );
 206 }
 207
 208 int
 209 syn_schema_info( Entry *e )
 210 {
 211         struct berval   vals[2];
 212         Syntax          *syn;
 213
 214         AttributeDescription *ad_ldapSyntaxes = slap_schema.si_ad_ldapSyntaxes;
 215
 216         vals[1].bv_val = NULL;
 217
 218         for ( syn = syn_list; syn; syn = syn->ssyn_next ) {
 219                 if ( ! syn->ssyn_validate ) {
 220                         /* skip syntaxes without validators */
 221                         continue;
 222                 }
 223                 if ( syn->ssyn_flags & SLAP_SYNTAX_HIDE ) {
 224                         /* hide syntaxes */
 225                         continue;
 226                 }
 227
 228                 if ( ldap_syntax2bv( &syn->ssyn_syn, vals ) == NULL ) {
 229                         return -1;
 230                 }
 231 #if 0
 232 #ifdef NEW_LOGGING
 233                 LDAP_LOG( config, ENTRY,
 234                            "syn_schema_info: Merging syn [%ld] %s\n",
 235                            (long)vals[0].bv_len, vals[0].bv_val, 0 );
 236 #else
 237                 Debug( LDAP_DEBUG_TRACE, "Merging syn [%ld] %s\n",
 238                (long) vals[0].bv_len, vals[0].bv_val, 0 );
 239 #endif
 240
 241 #endif
 242                 if( attr_merge( e, ad_ldapSyntaxes, vals ) )
 243                         return -1;
 244                 ldap_memfree( vals[0].bv_val );
 245         }
 246         return 0;
 247 }
 248