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openldap  2.4.31
Classes | Typedefs | Functions | Variables
root_dse.c File Reference
#include "portable.h"
#include <stdio.h>
#include <ac/string.h>
#include "slap.h"
#include <ldif.h>
#include "lber_pvt.h"

Go to the source code of this file.

Classes

struct  entry_info_t

Typedefs

typedef struct entry_info_t entry_info_t

Functions

int entry_info_register (SLAP_ENTRY_INFO_FN func, void *arg)
int entry_info_unregister (SLAP_ENTRY_INFO_FN func, void *arg)
void entry_info_destroy (void)
static int supported_feature_init (void)
int supported_feature_destroy (void)
int supported_feature_load (struct berval *f)
int root_dse_info (Connection *conn, Entry **entry, const char **text)
int root_dse_init (void)
int root_dse_destroy (void)
int root_dse_read_file (const char *fname)
int slap_discover_feature (slap_bindconf *sb, const char *attr, const char *val)

Variables

static struct berval []
static struct bervalsupportedFeatures
static Entryusr_attr = NULL
static entry_info_textra_info

Class Documentation

struct entry_info_t

Definition at line 51 of file root_dse.c.

Collaboration diagram for entry_info_t:
Class Members
void * arg
SLAP_ENTRY_INFO_FN func
struct entry_info_t * next

Typedef Documentation

typedef struct entry_info_t entry_info_t

Function Documentation

Definition at line 94 of file root_dse.c.

{
       entry_info_t  **eip;

       for ( eip = &extra_info; *eip != NULL;  ) {
              entry_info_t  *ei = *eip;

              eip = &(*eip)->next;

              ch_free( ei );
       }
}

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int entry_info_register ( SLAP_ENTRY_INFO_FN  func,
void arg 
)

Definition at line 60 of file root_dse.c.

{
       entry_info_t  *ei = ch_calloc( 1, sizeof( entry_info_t ) );

       ei->func = func;
       ei->arg = arg;

       ei->next = extra_info;
       extra_info = ei;

       return 0;
}

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int entry_info_unregister ( SLAP_ENTRY_INFO_FN  func,
void arg 
)

Definition at line 74 of file root_dse.c.

{
       entry_info_t  **eip;

       for ( eip = &extra_info; *eip != NULL; eip = &(*eip)->next ) {
              if ( (*eip)->func == func && (*eip)->arg == arg ) {
                     entry_info_t  *ei = *eip;

                     *eip = ei->next;

                     ch_free( ei );

                     return 0;
              }
       }

       return -1;
}

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Definition at line 384 of file root_dse.c.

{
       if ( usr_attr ) {
              entry_free( usr_attr );
              usr_attr = NULL;
       }

       return 0;
}

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int root_dse_info ( Connection conn,
Entry **  entry,
const char **  text 
)

Definition at line 179 of file root_dse.c.

{
       Entry         *e;
       struct berval val;
#ifdef LDAP_SLAPI
       struct berval *bv;
#endif
       int           i, j;
       char ** supportedSASLMechanisms;
       BackendDB *be;

       AttributeDescription *ad_structuralObjectClass
              = slap_schema.si_ad_structuralObjectClass;
       AttributeDescription *ad_objectClass
              = slap_schema.si_ad_objectClass;
       AttributeDescription *ad_namingContexts
              = slap_schema.si_ad_namingContexts;
#ifdef LDAP_SLAPI
       AttributeDescription *ad_supportedExtension
              = slap_schema.si_ad_supportedExtension;
#endif
       AttributeDescription *ad_supportedLDAPVersion
              = slap_schema.si_ad_supportedLDAPVersion;
       AttributeDescription *ad_supportedSASLMechanisms
              = slap_schema.si_ad_supportedSASLMechanisms;
       AttributeDescription *ad_supportedFeatures
              = slap_schema.si_ad_supportedFeatures;
       AttributeDescription *ad_monitorContext
              = slap_schema.si_ad_monitorContext;
       AttributeDescription *ad_configContext
              = slap_schema.si_ad_configContext;
       AttributeDescription *ad_ref
              = slap_schema.si_ad_ref;

       e = entry_alloc();
       if( e == NULL ) {
              Debug( LDAP_DEBUG_ANY,
                     "root_dse_info: entry_alloc failed", 0, 0, 0 );
              return LDAP_OTHER;
       }

       e->e_attrs = NULL;
       e->e_name.bv_val = ch_strdup( LDAP_ROOT_DSE );
       e->e_name.bv_len = sizeof( LDAP_ROOT_DSE )-1;
       e->e_nname.bv_val = ch_strdup( LDAP_ROOT_DSE );
       e->e_nname.bv_len = sizeof( LDAP_ROOT_DSE )-1;

       /* the DN is an empty string so no pretty/normalization is needed */
       assert( !e->e_name.bv_len );
       assert( !e->e_nname.bv_len );

       e->e_private = NULL;

       /* FIXME: is this really needed? */
       BER_BVSTR( &val, "top" );
       if( attr_merge_one( e, ad_objectClass, &val, NULL ) ) {
fail:
              entry_free( e );
              return LDAP_OTHER;
       }

       BER_BVSTR( &val, "OpenLDAProotDSE" );
       if( attr_merge_one( e, ad_objectClass, &val, NULL ) ) {
              goto fail;
       }
       if( attr_merge_one( e, ad_structuralObjectClass, &val, NULL ) ) {
              goto fail;
       }

       LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
              if ( be->be_suffix == NULL
                            || be->be_nsuffix == NULL ) {
                     /* no suffix! */
                     continue;
              }
              if ( SLAP_MONITOR( be )) {
                     if( attr_merge_one( e, ad_monitorContext,
                                   &be->be_suffix[0],
                                   &be->be_nsuffix[0] ) )
                     {
                            goto fail;
                     }
                     continue;
              }
              if ( SLAP_CONFIG( be )) {
                     if( attr_merge_one( e, ad_configContext,
                                   &be->be_suffix[0],
                                   & be->be_nsuffix[0] ) )
                     {
                            goto fail;
                     }
                     continue;
              }
              if ( SLAP_GLUE_SUBORDINATE( be ) && !SLAP_GLUE_ADVERTISE( be ) ) {
                     continue;
              }
              for ( j = 0; be->be_suffix[j].bv_val != NULL; j++ ) {
                     if( attr_merge_one( e, ad_namingContexts,
                                   &be->be_suffix[j], NULL ) )
                     {
                            goto fail;
                     }
              }
       }

       /* altServer unsupported */

       /* supportedControl */
       if ( controls_root_dse_info( e ) != 0 ) {
              goto fail;
       }

       /* supportedExtension */
       if ( exop_root_dse_info( e ) != 0 ) {
              goto fail;
       }

#ifdef LDAP_SLAPI
       /* netscape supportedExtension */
       for ( i = 0; (bv = slapi_int_get_supported_extop(i)) != NULL; i++ ) {
              if( attr_merge_one( e, ad_supportedExtension, bv, NULL ) ) {
                     goto fail;
              }
       }
#endif /* LDAP_SLAPI */

       /* supportedFeatures */
       if ( supportedFeatures == NULL ) {
              supported_feature_init();
       }

       if( attr_merge( e, ad_supportedFeatures, supportedFeatures, NULL ) ) {
              goto fail;
       }

       /* supportedLDAPVersion */
              /* don't publish version 2 as we don't really support it
               * (even when configured to accept version 2 Bind requests)
               * and the value would never be used by true LDAPv2 (or LDAPv3)
               * clients.
               */
       for ( i=LDAP_VERSION3; i<=LDAP_VERSION_MAX; i++ ) {
              char buf[sizeof("255")];
              snprintf(buf, sizeof buf, "%d", i);
              val.bv_val = buf;
              val.bv_len = strlen( val.bv_val );
              if( attr_merge_one( e, ad_supportedLDAPVersion, &val, NULL ) ) {
                     goto fail;
              }
       }

       /* supportedSASLMechanism */
       supportedSASLMechanisms = slap_sasl_mechs( conn );

       if( supportedSASLMechanisms != NULL ) {
              for ( i=0; supportedSASLMechanisms[i] != NULL; i++ ) {
                     val.bv_val = supportedSASLMechanisms[i];
                     val.bv_len = strlen( val.bv_val );
                     if( attr_merge_one( e, ad_supportedSASLMechanisms, &val, NULL ) ) {
                            ldap_charray_free( supportedSASLMechanisms );
                            goto fail;
                     }
              }
              ldap_charray_free( supportedSASLMechanisms );
       }

       if ( default_referral != NULL ) {
              if( attr_merge( e, ad_ref, default_referral, NULL /* FIXME */ ) ) {
                     goto fail;
              }
       }

       if( usr_attr != NULL) {
              Attribute *a;
              for( a = usr_attr->e_attrs; a != NULL; a = a->a_next ) {
                     if( attr_merge( e, a->a_desc, a->a_vals,
                            (a->a_nvals == a->a_vals) ? NULL : a->a_nvals ) )
                     {
                            goto fail;
                     }
              }
       }

       if ( extra_info ) {
              entry_info_t  *ei = extra_info;

              for ( ; ei; ei = ei->next ) {
                     ei->func( ei->arg, e );
              }
       }

       *entry = e;
       return LDAP_SUCCESS;
}

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Definition at line 378 of file root_dse.c.

{
       return 0;
}

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int root_dse_read_file ( const char *  fname)

Definition at line 401 of file root_dse.c.

{
       struct LDIFFP *fp;
       int rc = 0, lineno = 0, lmax = 0, ldifrc;
       char   *buf = NULL;

       if ( (fp = ldif_open( fname, "r" )) == NULL ) {
              Debug( LDAP_DEBUG_ANY,
                     "root_dse_read_file: could not open rootdse attr file \"%s\" - absolute path?\n",
                     fname, 0, 0 );
              perror( fname );
              return EXIT_FAILURE;
       }

       usr_attr = entry_alloc();
       if( usr_attr == NULL ) {
              Debug( LDAP_DEBUG_ANY,
                     "root_dse_read_file: entry_alloc failed", 0, 0, 0 );
              ldif_close( fp );
              return LDAP_OTHER;
       }
       usr_attr->e_attrs = NULL;

       while(( ldifrc = ldif_read_record( fp, &lineno, &buf, &lmax )) > 0 ) {
              Entry *e = str2entry( buf );
              Attribute *a;

              if( e == NULL ) {
                     Debug( LDAP_DEBUG_ANY, "root_dse_read_file: "
                            "could not parse entry (file=\"%s\" line=%d)\n",
                            fname, lineno, 0 );
                     rc = LDAP_OTHER;
                     break;
              }

              /* make sure the DN is the empty DN */
              if( e->e_nname.bv_len ) {
                     Debug( LDAP_DEBUG_ANY,
                            "root_dse_read_file: invalid rootDSE "
                            "- dn=\"%s\" (file=\"%s\" line=%d)\n",
                            e->e_dn, fname, lineno );
                     entry_free( e );
                     rc = LDAP_OTHER;
                     break;
              }

              /*
               * we found a valid entry, so walk thru all the attributes in the
               * entry, and add each attribute type and description to the
               * usr_attr entry
               */

              for(a = e->e_attrs; a != NULL; a = a->a_next) {
                     if( attr_merge( usr_attr, a->a_desc, a->a_vals,
                            (a->a_nvals == a->a_vals) ? NULL : a->a_nvals ) )
                     {
                            rc = LDAP_OTHER;
                            break;
                     }
              }

              entry_free( e );
              if (rc) break;
       }

       if ( ldifrc < 0 )
              rc = LDAP_OTHER;

       if (rc) {
              entry_free( usr_attr );
              usr_attr = NULL;
       }

       ch_free( buf );

       ldif_close( fp );

       Debug(LDAP_DEBUG_CONFIG, "rootDSE file=\"%s\" read.\n", fname, 0, 0);
       return rc;
}

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int slap_discover_feature ( slap_bindconf sb,
const char *  attr,
const char *  val 
)

Definition at line 483 of file root_dse.c.

{
       LDAP          *ld = NULL;
       LDAPMessage   *res = NULL, *entry;
       int           rc, i;
       struct berval bv_val,
                     **values = NULL;
       char          *attrs[ 2 ] = { NULL, NULL };

       rc = slap_client_connect( &ld, sb );
       if ( rc != LDAP_SUCCESS ) {
              goto done;
       }

       attrs[ 0 ] = (char *) attr;
       rc = ldap_search_ext_s( ld, "", LDAP_SCOPE_BASE, "(objectClass=*)",
                     attrs, 0, NULL, NULL, NULL, 0, &res );
       if ( rc != LDAP_SUCCESS ) {
              goto done;
       }

       entry = ldap_first_entry( ld, res );
       if ( entry == NULL ) {
              goto done;
       }

       values = ldap_get_values_len( ld, entry, attrs[ 0 ] );
       if ( values == NULL ) {
              rc = LDAP_NO_SUCH_ATTRIBUTE;
              goto done;
       }

       ber_str2bv( val, 0, 0, &bv_val );
       for ( i = 0; values[ i ] != NULL; i++ ) {
              if ( bvmatch( &bv_val, values[ i ] ) ) {
                     rc = LDAP_COMPARE_TRUE;
                     goto done;
              }
       }

       rc = LDAP_COMPARE_FALSE;

done:;
       if ( values != NULL ) {
              ldap_value_free_len( values );
       }

       if ( res != NULL ) {
              ldap_msgfree( res );
       }

       ldap_unbind_ext( ld, NULL, NULL );

       return rc;
}

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Definition at line 137 of file root_dse.c.

{
       int           i;

       if ( supportedFeatures == NULL ) {
              return 0;
       }
       
       for ( i = 0; !BER_BVISNULL( &supportedFeatures[ i ] ); i++ ) {
              ch_free( supportedFeatures[ i ].bv_val );
       }

       ch_free( supportedFeatures );
       supportedFeatures = NULL;

       return 0;
}

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static int supported_feature_init ( void  ) [static]

Definition at line 112 of file root_dse.c.

{
       int           i;

       if ( supportedFeatures != NULL ) {
              return 0;
       }

       for ( i = 0; !BER_BVISNULL( &builtin_supportedFeatures[ i ] ); i++ )
              ;

       supportedFeatures = ch_calloc( sizeof( struct berval ), i + 1 );
       if ( supportedFeatures == NULL ) {
              return -1;
       }

       for ( i = 0; !BER_BVISNULL( &builtin_supportedFeatures[ i ] ); i++ ) {
              ber_dupbv( &supportedFeatures[ i ], &builtin_supportedFeatures[ i ] );
       }
       BER_BVZERO( &supportedFeatures[ i ] );

       return 0;
}

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Definition at line 156 of file root_dse.c.

{
       struct berval *tmp;
       int           i;

       supported_feature_init();

       for ( i = 0; !BER_BVISNULL( &supportedFeatures[ i ] ); i++ )
              ;

       tmp = ch_realloc( supportedFeatures, sizeof( struct berval ) * ( i + 2 ) );
       if ( tmp == NULL ) {
              return -1;
       }
       supportedFeatures = tmp;

       ber_dupbv( &supportedFeatures[ i ], f );
       BER_BVZERO( &supportedFeatures[ i + 1 ] );

       return 0;
}

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Variable Documentation

struct berval[] [static]

Definition at line 57 of file root_dse.c.

struct berval* supportedFeatures [static]

Definition at line 43 of file root_dse.c.

Entry* usr_attr = NULL [static]

Definition at line 45 of file root_dse.c.