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

   1 /* syntax.c - routines to manage syntax definitions */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-2000 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
  20 struct sindexrec {
  21         char            *sir_name;
  22         Syntax          *sir_syn;
  23 };
  24
  25 static Avlnode  *syn_index = NULL;
  26 static Syntax *syn_list = NULL;
  27
  28 static int
  29 syn_index_cmp(
  30     struct sindexrec    *sir1,
  31     struct sindexrec    *sir2
  32 )
  33 {
  34         return (strcmp( sir1->sir_name, sir2->sir_name ));
  35 }
  36
  37 static int
  38 syn_index_name_cmp(
  39     char                *name,
  40     struct sindexrec    *sir
  41 )
  42 {
  43         return (strcmp( name, sir->sir_name ));
  44 }
  45
  46 Syntax *
  47 syn_find( const char *synname )
  48 {
  49         struct sindexrec        *sir = NULL;
  50
  51         if ( (sir = (struct sindexrec *) avl_find( syn_index, synname,
  52             (AVL_CMP) 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         for (synp = syn_list; synp; synp = synp->ssyn_next)
  64                 if ((*len = dscompare( synp->ssyn_syn.syn_desc, syndesc, '{')))
  65                         return synp;
  66         return( NULL );
  67 }
  68
  69 static int
  70 syn_insert(
  71     Syntax              *ssyn,
  72     const char          **err
  73 )
  74 {
  75         Syntax          **synp;
  76         struct sindexrec        *sir;
  77
  78         synp = &syn_list;
  79         while ( *synp != NULL ) {
  80                 synp = &(*synp)->ssyn_next;
  81         }
  82         *synp = ssyn;
  83
  84         if ( ssyn->ssyn_oid ) {
  85                 sir = (struct sindexrec *)
  86                         ch_calloc( 1, sizeof(struct sindexrec) );
  87                 sir->sir_name = ssyn->ssyn_oid;
  88                 sir->sir_syn = ssyn;
  89                 if ( avl_insert( &syn_index, (caddr_t) sir,
  90                                  (AVL_CMP) syn_index_cmp,
  91                                  (AVL_DUP) avl_dup_error ) ) {
  92                         *err = ssyn->ssyn_oid;
  93                         ldap_memfree(sir);
  94                         return SLAP_SCHERR_DUP_SYNTAX;
  95                 }
  96                 /* FIX: temporal consistency check */
  97                 syn_find(sir->sir_name);
  98         }
  99         return 0;
 100 }
 101
 102 int
 103 syn_add(
 104     LDAPSyntax          *syn,
 105         unsigned flags,
 106     slap_syntax_validate_func   *validate,
 107     slap_syntax_transform_func  *normalize,
 108     slap_syntax_transform_func  *pretty,
 109 #ifdef SLAPD_BINARY_CONVERSION
 110     slap_syntax_transform_func  *ber2str,
 111     slap_syntax_transform_func  *str2ber,
 112 #endif
 113     const char          **err
 114 )
 115 {
 116         Syntax          *ssyn;
 117         int             code;
 118
 119         ssyn = (Syntax *) ch_calloc( 1, sizeof(Syntax) );
 120
 121         AC_MEMCPY( &ssyn->ssyn_syn, syn, sizeof(LDAPSyntax) );
 122
 123         ssyn->ssyn_next = NULL;
 124
 125         ssyn->ssyn_flags = flags;
 126         ssyn->ssyn_validate = validate;
 127         ssyn->ssyn_normalize = normalize;
 128         ssyn->ssyn_pretty = pretty;
 129
 130 #ifdef SLAPD_BINARY_CONVERSION
 131         ssyn->ssyn_ber2str = ber2str;
 132         ssyn->ssyn_str2ber = str2ber;
 133 #endif
 134
 135         code = syn_insert(ssyn, err);
 136         return code;
 137 }
 138
 139 int
 140 register_syntax(
 141         char * desc,
 142         unsigned flags,
 143         slap_syntax_validate_func *validate,
 144         slap_syntax_transform_func *normalize,
 145         slap_syntax_transform_func *pretty )
 146 {
 147         LDAPSyntax      *syn;
 148         int             code;
 149         const char      *err;
 150
 151         syn = ldap_str2syntax( desc, &code, &err, LDAP_SCHEMA_ALLOW_ALL);
 152         if ( !syn ) {
 153 #ifdef NEW_LOGGING
 154                 LDAP_LOG(( "schema", LDAP_LEVEL_ERR,
 155                            "register_syntax: Error - %s before %s in %s.\n",
 156                            ldap_scherr2str(code), err, desc ));
 157 #else
 158                 Debug( LDAP_DEBUG_ANY, "Error in register_syntax: %s before %s in %s\n",
 159                     ldap_scherr2str(code), err, desc );
 160 #endif
 161
 162                 return( -1 );
 163         }
 164
 165         code = syn_add( syn, flags, validate, normalize, pretty, &err );
 166
 167         ldap_memfree( syn );
 168
 169         if ( code ) {
 170 #ifdef NEW_LOGGING
 171                 LDAP_LOG(( "schema", LDAP_LEVEL_ERR,
 172                            "register_syntax: Error - %s %s in %s\n",
 173                            scherr2str(code), err, desc ));
 174 #else
 175                 Debug( LDAP_DEBUG_ANY, "Error in register_syntax: %s %s in %s\n",
 176                     scherr2str(code), err, desc );
 177 #endif
 178
 179                 return( -1 );
 180         }
 181
 182         return( 0 );
 183 }
 184
 185 #if defined( SLAPD_SCHEMA_DN )
 186
 187 int
 188 syn_schema_info( Entry *e )
 189 {
 190         struct berval   val;
 191         struct berval   *vals[2];
 192         Syntax          *syn;
 193
 194         AttributeDescription *ad_ldapSyntaxes = slap_schema.si_ad_ldapSyntaxes;
 195
 196         vals[0] = &val;
 197         vals[1] = NULL;
 198
 199         for ( syn = syn_list; syn; syn = syn->ssyn_next ) {
 200                 if ( ! syn->ssyn_validate ) {
 201                         /* skip syntaxes without validators */
 202                         continue;
 203                 }
 204                 if ( syn->ssyn_flags & SLAP_SYNTAX_HIDE ) {
 205                         /* hide syntaxes */
 206                         continue;
 207                 }
 208
 209                 val.bv_val = ldap_syntax2str( &syn->ssyn_syn );
 210                 if ( val.bv_val == NULL ) {
 211                         return -1;
 212                 }
 213                 val.bv_len = strlen( val.bv_val );
 214 #if 0
 215 #ifdef NEW_LOGGING
 216                 LDAP_LOG(( "schema", LDAP_LEVEL_ENTRY,
 217                            "syn_schema_info: Merging syn [%ld] %s\n",
 218                            (long)val.bv_len, val.bv_val ));
 219 #else
 220                 Debug( LDAP_DEBUG_TRACE, "Merging syn [%ld] %s\n",
 221                (long) val.bv_len, val.bv_val, 0 );
 222 #endif
 223
 224 #endif
 225                 attr_merge( e, ad_ldapSyntaxes, vals );
 226                 ldap_memfree( val.bv_val );
 227         }
 228         return 0;
 229 }
 230
 231 #endif