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openldap  2.4.31
Classes | Functions | Variables
syntax.c File Reference
#include "portable.h"
#include <stdio.h>
#include <ac/ctype.h>
#include <ac/string.h>
#include <ac/socket.h>
#include "slap.h"

Go to the source code of this file.

Classes

struct  sindexrec

Functions

static LDAP_STAILQ_HEAD (SyntaxList, Syntax)
static int syn_index_name_cmp (const void *name, const void *sir)
Syntaxsyn_find (const char *synname)
Syntaxsyn_find_desc (const char *syndesc, int *len)
int syn_is_sup (Syntax *syn, Syntax *sup)
void syn_destroy (void)
static int syn_insert (Syntax *ssyn, Syntax *prev, const char **err)
int syn_add (LDAPSyntax *syn, int user, slap_syntax_defs_rec *def, Syntax **ssynp, Syntax *prev, const char **err)
int register_syntax (slap_syntax_defs_rec *def)
int syn_schema_info (Entry *e)
void syn_delete (Syntax *syn)
int syn_start (Syntax **syn)
int syn_next (Syntax **syn)
void syn_unparse (BerVarray *res, Syntax *start, Syntax *end, int sys)

Variables

static Avlnode * syn_index = NULL

Class Documentation

struct sindexrec

Definition at line 27 of file syntax.c.

Collaboration diagram for sindexrec:
Class Members
char * sir_name
Syntax * sir_syn

Function Documentation

static LDAP_STAILQ_HEAD ( SyntaxList  ,
Syntax   
) [static]

Definition at line 33 of file syntax.c.

{
       const struct sindexrec *sir1 = v_sir1, *sir2 = v_sir2;
       return (strcmp( sir1->sir_name, sir2->sir_name ));
}

Definition at line 299 of file syntax.c.

{
       LDAPSyntax    *syn;
       int           code;
       const char    *err;

       syn = ldap_str2syntax( def->sd_desc, &code, &err, LDAP_SCHEMA_ALLOW_ALL);
       if ( !syn ) {
              Debug( LDAP_DEBUG_ANY, "Error in register_syntax: %s before %s in %s\n",
                  ldap_scherr2str(code), err, def->sd_desc );

              return( -1 );
       }

       code = syn_add( syn, 0, def, NULL, NULL, &err );

       if ( code ) {
              Debug( LDAP_DEBUG_ANY, "Error in register_syntax: %s %s in %s\n",
                  scherr2str(code), err, def->sd_desc );
              ldap_syntax_free( syn );

              return( -1 );
       }

       ldap_memfree( syn );

       return( 0 );
}

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int syn_add ( LDAPSyntax syn,
int  user,
slap_syntax_defs_rec def,
Syntax **  ssynp,
Syntax prev,
const char **  err 
)

Definition at line 170 of file syntax.c.

{
       Syntax        *ssyn;
       int           code = 0;

       if ( ssynp != NULL ) {
              *ssynp = NULL;
       }

       ssyn = (Syntax *) SLAP_CALLOC( 1, sizeof(Syntax) );
       if ( ssyn == NULL ) {
              Debug( LDAP_DEBUG_ANY, "SLAP_CALLOC Error\n", 0, 0, 0 );
              return SLAP_SCHERR_OUTOFMEM;
       }

       AC_MEMCPY( &ssyn->ssyn_syn, syn, sizeof(LDAPSyntax) );

       LDAP_STAILQ_NEXT(ssyn,ssyn_next) = NULL;

       /*
        * note: ssyn_bvoid uses the same memory of ssyn_syn.syn_oid;
        * ssyn_oidlen is #defined as ssyn_bvoid.bv_len
        */
       ssyn->ssyn_bvoid.bv_val = ssyn->ssyn_syn.syn_oid;
       ssyn->ssyn_oidlen = strlen(syn->syn_oid);
       ssyn->ssyn_flags = def->sd_flags;
       ssyn->ssyn_validate = def->sd_validate;
       ssyn->ssyn_pretty = def->sd_pretty;

       ssyn->ssyn_sups = NULL;

#ifdef SLAPD_BINARY_CONVERSION
       ssyn->ssyn_ber2str = def->sd_ber2str;
       ssyn->ssyn_str2ber = def->sd_str2ber;
#endif

       if ( def->sd_validate == NULL && def->sd_pretty == NULL && syn->syn_extensions != NULL ) {
              LDAPSchemaExtensionItem **lsei;
              Syntax *subst = NULL;

              for ( lsei = syn->syn_extensions; *lsei != NULL; lsei++) {
                     if ( strcmp( (*lsei)->lsei_name, "X-SUBST" ) != 0 ) {
                            continue;
                     }

                     assert( (*lsei)->lsei_values != NULL );
                     if ( (*lsei)->lsei_values[0] == '\0'
                            || (*lsei)->lsei_values[1] != '\0' )
                     {
                            Debug( LDAP_DEBUG_ANY, "syn_add(%s): exactly one substitute syntax must be present\n",
                                   ssyn->ssyn_syn.syn_oid, 0, 0 );
                            return SLAP_SCHERR_SYN_SUBST_NOT_SPECIFIED;
                     }

                     subst = syn_find( (*lsei)->lsei_values[0] );
                     if ( subst == NULL ) {
                            Debug( LDAP_DEBUG_ANY, "syn_add(%s): substitute syntax %s not found\n",
                                   ssyn->ssyn_syn.syn_oid, (*lsei)->lsei_values[0], 0 );
                            return SLAP_SCHERR_SYN_SUBST_NOT_FOUND;
                     }
                     break;
              }

              if ( subst != NULL ) {
                     ssyn->ssyn_flags = subst->ssyn_flags;
                     ssyn->ssyn_validate = subst->ssyn_validate;
                     ssyn->ssyn_pretty = subst->ssyn_pretty;

                     ssyn->ssyn_sups = NULL;

#ifdef SLAPD_BINARY_CONVERSION
                     ssyn->ssyn_ber2str = subst->ssyn_ber2str;
                     ssyn->ssyn_str2ber = subst->ssyn_str2ber;
#endif
              }
       }

       if ( def->sd_sups != NULL ) {
              int    cnt;

              for ( cnt = 0; def->sd_sups[cnt] != NULL; cnt++ )
                     ;
              
              ssyn->ssyn_sups = (Syntax **)SLAP_CALLOC( cnt + 1,
                     sizeof( Syntax * ) );
              if ( ssyn->ssyn_sups == NULL ) {
                     Debug( LDAP_DEBUG_ANY, "SLAP_CALLOC Error\n", 0, 0, 0 );
                     code = SLAP_SCHERR_OUTOFMEM;

              } else {
                     for ( cnt = 0; def->sd_sups[cnt] != NULL; cnt++ ) {
                            ssyn->ssyn_sups[cnt] = syn_find( def->sd_sups[cnt] );
                            if ( ssyn->ssyn_sups[cnt] == NULL ) {
                                   *err = def->sd_sups[cnt];
                                   code = SLAP_SCHERR_SYN_SUP_NOT_FOUND;
                            }
                     }
              }
       }

       if ( !user )
              ssyn->ssyn_flags |= SLAP_SYNTAX_HARDCODE;

       if ( code == 0 ) {
              code = syn_insert( ssyn, prev, err );
       }

       if ( code != 0 && ssyn != NULL ) {
              if ( ssyn->ssyn_sups != NULL ) {
                     SLAP_FREE( ssyn->ssyn_sups );
              }
              SLAP_FREE( ssyn );
              ssyn = NULL;
       }

       if (ssynp ) {
              *ssynp = ssyn;
       }

       return code;
}

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void syn_delete ( Syntax syn)

Definition at line 368 of file syntax.c.

{
       LDAP_STAILQ_REMOVE(&syn_list, syn, Syntax, ssyn_next);
}

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Definition at line 112 of file syntax.c.

{
       Syntax *s;

       avl_free( syn_index, ldap_memfree );
       while( !LDAP_STAILQ_EMPTY( &syn_list ) ) {
              s = LDAP_STAILQ_FIRST( &syn_list );
              LDAP_STAILQ_REMOVE_HEAD( &syn_list, ssyn_next );
              if ( s->ssyn_sups ) {
                     SLAP_FREE( s->ssyn_sups );
              }
              ldap_syntax_free( (LDAPSyntax *)s );
       }
}

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Syntax* syn_find ( const char *  synname)

Definition at line 59 of file syntax.c.

{
       struct sindexrec     *sir = NULL;

       if ( (sir = avl_find( syn_index, synname, syn_index_name_cmp )) != NULL ) {
              return( sir->sir_syn );
       }
       return( NULL );
}

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Syntax* syn_find_desc ( const char *  syndesc,
int len 
)

Definition at line 70 of file syntax.c.

{
       Syntax        *synp;

       LDAP_STAILQ_FOREACH(synp, &syn_list, ssyn_next) {
              if ((*len = dscompare( synp->ssyn_syn.syn_desc, syndesc, '{' /*'}'*/ ))) {
                     return synp;
              }
       }
       return( NULL );
}

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static int syn_index_name_cmp ( const void name,
const void sir 
) [static]

Definition at line 50 of file syntax.c.

{
       return (strcmp( name, ((const struct sindexrec *)sir)->sir_name ));
}

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static int syn_insert ( Syntax ssyn,
Syntax prev,
const char **  err 
) [static]

Definition at line 128 of file syntax.c.

{
       struct sindexrec     *sir;

       LDAP_STAILQ_NEXT( ssyn, ssyn_next ) = NULL;
 
       if ( ssyn->ssyn_oid ) {
              sir = (struct sindexrec *)
                     SLAP_CALLOC( 1, sizeof(struct sindexrec) );
              if( sir == NULL ) {
                     Debug( LDAP_DEBUG_ANY, "SLAP_CALLOC Error\n", 0, 0, 0 );
                     return LDAP_OTHER;
              }
              sir->sir_name = ssyn->ssyn_oid;
              sir->sir_syn = ssyn;
              if ( avl_insert( &syn_index, (caddr_t) sir,
                               syn_index_cmp, avl_dup_error ) ) {
                     *err = ssyn->ssyn_oid;
                     ldap_memfree(sir);
                     return SLAP_SCHERR_SYN_DUP;
              }
              /* FIX: temporal consistency check */
              syn_find(sir->sir_name);
       }

       if ( ssyn->ssyn_flags & SLAP_AT_HARDCODE ) {
              prev = syn_sys_tail;
              syn_sys_tail = ssyn;
       }

       if ( prev ) {
              LDAP_STAILQ_INSERT_AFTER( &syn_list, prev, ssyn, ssyn_next );
       } else {
              LDAP_STAILQ_INSERT_TAIL( &syn_list, ssyn, ssyn_next );
       }
       return 0;
}

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int syn_is_sup ( Syntax syn,
Syntax sup 
)

Definition at line 83 of file syntax.c.

{
       int    i;

       assert( syn != NULL );
       assert( sup != NULL );

       if ( syn == sup ) {
              return 1;
       }

       if ( syn->ssyn_sups == NULL ) {
              return 0;
       }

       for ( i = 0; syn->ssyn_sups[i]; i++ ) {
              if ( syn->ssyn_sups[i] == sup ) {
                     return 1;
              }

              if ( syn_is_sup( syn->ssyn_sups[i], sup ) ) {
                     return 1;
              }
       }

       return 0;
}

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int syn_next ( Syntax **  syn)

Definition at line 384 of file syntax.c.

{
       assert( syn != NULL );

#if 0  /* pedantic check: don't use this */
       {
              Syntax *tmp = NULL;

              LDAP_STAILQ_FOREACH(tmp,&syn_list,ssyn_next) {
                     if ( tmp == *syn ) {
                            break;
                     }
              }

              assert( tmp != NULL );
       }
#endif

       *syn = LDAP_STAILQ_NEXT(*syn,ssyn_next);

       return (*syn != NULL);
}

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Definition at line 330 of file syntax.c.

{
       AttributeDescription *ad_ldapSyntaxes = slap_schema.si_ad_ldapSyntaxes;
       Syntax        *syn;
       struct berval val;
       struct berval nval;

       LDAP_STAILQ_FOREACH(syn, &syn_list, ssyn_next ) {
              if ( ! syn->ssyn_validate ) {
                     /* skip syntaxes without validators */
                     continue;
              }
              if ( syn->ssyn_flags & SLAP_SYNTAX_HIDE ) {
                     /* hide syntaxes */
                     continue;
              }

              if ( ldap_syntax2bv( &syn->ssyn_syn, &val ) == NULL ) {
                     return -1;
              }
#if 0
              Debug( LDAP_DEBUG_TRACE, "Merging syn [%ld] %s\n",
              (long) val.bv_len, val.bv_val, 0 );
#endif

              nval.bv_val = syn->ssyn_oid;
              nval.bv_len = strlen(syn->ssyn_oid);

              if( attr_merge_one( e, ad_ldapSyntaxes, &val, &nval ) )
              {
                     return -1;
              }
              ldap_memfree( val.bv_val );
       }
       return 0;
}

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int syn_start ( Syntax **  syn)

Definition at line 374 of file syntax.c.

{
       assert( syn != NULL );

       *syn = LDAP_STAILQ_FIRST(&syn_list);

       return (*syn != NULL);
}

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void syn_unparse ( BerVarray res,
Syntax start,
Syntax end,
int  sys 
)

Definition at line 408 of file syntax.c.

{
       Syntax *syn;
       int i, num;
       struct berval bv, *bva = NULL, idx;
       char ibuf[32];

       if ( !start )
              start = LDAP_STAILQ_FIRST( &syn_list );

       /* count the result size */
       i = 0;
       for ( syn = start; syn; syn = LDAP_STAILQ_NEXT( syn, ssyn_next ) ) {
              if ( sys && !( syn->ssyn_flags & SLAP_SYNTAX_HARDCODE ) ) break;
              i++;
              if ( syn == end ) break;
       }
       if ( !i ) return;

       num = i;
       bva = ch_malloc( (num+1) * sizeof(struct berval) );
       BER_BVZERO( bva );
       idx.bv_val = ibuf;
       if ( sys ) {
              idx.bv_len = 0;
              ibuf[0] = '\0';
       }
       i = 0;
       for ( syn = start; syn; syn = LDAP_STAILQ_NEXT( syn, ssyn_next ) ) {
              if ( sys && !( syn->ssyn_flags & SLAP_SYNTAX_HARDCODE ) ) break;
              if ( ldap_syntax2bv( &syn->ssyn_syn, &bv ) == NULL ) {
                     ber_bvarray_free( bva );
              }
              if ( !sys ) {
                     idx.bv_len = sprintf(idx.bv_val, "{%d}", i);
              }
              bva[i].bv_len = idx.bv_len + bv.bv_len;
              bva[i].bv_val = ch_malloc( bva[i].bv_len + 1 );
              strcpy( bva[i].bv_val, ibuf );
              strcpy( bva[i].bv_val + idx.bv_len, bv.bv_val );
              i++;
              bva[i].bv_val = NULL;
              ldap_memfree( bv.bv_val );
              if ( syn == end ) break;
       }
       *res = bva;
}

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Variable Documentation

Avlnode* syn_index = NULL [static]

Definition at line 32 of file syntax.c.