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

Go to the source code of this file.

Classes

struct  extop_list

Functions

static struct extop_listfind_extop (struct extop_list *list, struct berval *oid)
struct bervalget_supported_extop (int index)
int exop_root_dse_info (Entry *e)
int do_extended (Operation *op, SlapReply *rs)
int fe_extended (Operation *op, SlapReply *rs)
int load_extop2 (const struct berval *ext_oid, slap_mask_t ext_flags, SLAP_EXTOP_MAIN_FN *ext_main, unsigned flags)
int extops_init (void)
int extops_kill (void)
static int whoami_extop (Operation *op, SlapReply *rs)

Variables

static struct extop_listsupp_ext_list
static SLAP_EXTOP_MAIN_FN whoami_extop
struct {
struct bervaloid
slap_mask_t flags
SLAP_EXTOP_MAIN_FN * ext_main
builtin_extops []

Class Documentation

struct extop_list

Definition at line 42 of file extended.c.

Collaboration diagram for extop_list:
Class Members
SLAP_EXTOP_MAIN_FN * ext_main
slap_mask_t flags
struct extop_list * next

Function Documentation

int do_extended ( Operation op,
SlapReply rs 
)

Definition at line 117 of file extended.c.

{
       struct berval reqdata = {0, NULL};
       ber_len_t len;

       Debug( LDAP_DEBUG_TRACE, "%s do_extended\n",
              op->o_log_prefix, 0, 0 );

       if( op->o_protocol < LDAP_VERSION3 ) {
              Debug( LDAP_DEBUG_ANY, "%s do_extended: protocol version (%d) too low\n",
                     op->o_log_prefix, op->o_protocol, 0 );
              send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "requires LDAPv3" );
              rs->sr_err = SLAPD_DISCONNECT;
              goto done;
       }

       if ( ber_scanf( op->o_ber, "{m" /*}*/, &op->ore_reqoid ) == LBER_ERROR ) {
              Debug( LDAP_DEBUG_ANY, "%s do_extended: ber_scanf failed\n",
                     op->o_log_prefix, 0, 0 );
              send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
              rs->sr_err = SLAPD_DISCONNECT;
              goto done;
       }

       if( ber_peek_tag( op->o_ber, &len ) == LDAP_TAG_EXOP_REQ_VALUE ) {
              if( ber_scanf( op->o_ber, "m", &reqdata ) == LBER_ERROR ) {
                     Debug( LDAP_DEBUG_ANY, "%s do_extended: ber_scanf failed\n",
                            op->o_log_prefix, 0, 0 );
                     send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
                     rs->sr_err = SLAPD_DISCONNECT;
                     goto done;
              }
       }

       if( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
              Debug( LDAP_DEBUG_ANY, "%s do_extended: get_ctrls failed\n",
                     op->o_log_prefix, 0, 0 );
              return rs->sr_err;
       } 

       Statslog( LDAP_DEBUG_STATS, "%s EXT oid=%s\n",
           op->o_log_prefix, op->ore_reqoid.bv_val, 0, 0, 0 );

       /* check for controls inappropriate for all extended operations */
       if( get_manageDSAit( op ) == SLAP_CONTROL_CRITICAL ) {
              send_ldap_error( op, rs,
                     LDAP_UNAVAILABLE_CRITICAL_EXTENSION,
                     "manageDSAit control inappropriate" );
              goto done;
       }

       /* FIXME: temporary? */
       if ( reqdata.bv_val ) {
              op->ore_reqdata = &reqdata;
       }

       op->o_bd = frontendDB;
       rs->sr_err = frontendDB->be_extended( op, rs );

       /* clean up in case some overlay set them? */
       if ( !BER_BVISNULL( &op->o_req_ndn ) ) {
              if ( !BER_BVISNULL( &op->o_req_dn )
                     && op->o_req_ndn.bv_val != op->o_req_dn.bv_val )
              {
                     op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
              }
              op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
              BER_BVZERO( &op->o_req_dn );
              BER_BVZERO( &op->o_req_ndn );
       }

done:
       return rs->sr_err;
}

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Definition at line 93 of file extended.c.

{
       AttributeDescription *ad_supportedExtension
              = slap_schema.si_ad_supportedExtension;
       struct berval vals[2];
       struct extop_list *ext;

       vals[1].bv_val = NULL;
       vals[1].bv_len = 0;

       for (ext = supp_ext_list; ext != NULL; ext = ext->next) {
              if( ext->flags & SLAP_EXOP_HIDE ) continue;

              vals[0] = ext->oid;

              if( attr_merge( e, ad_supportedExtension, vals, NULL ) ) {
                     return LDAP_OTHER;
              }
       }

       return LDAP_SUCCESS;
}

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Definition at line 327 of file extended.c.

{
       int i;

       for ( i = 0; builtin_extops[i].oid != NULL; i++ ) {
              load_extop( (struct berval *)builtin_extops[i].oid,
                     builtin_extops[i].flags,
                     builtin_extops[i].ext_main );
       }
       return(0);
}

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Definition at line 340 of file extended.c.

{
       struct extop_list *ext;

       /* we allocated the memory, so we have to free it, too. */
       while ((ext = supp_ext_list) != NULL) {
              supp_ext_list = ext->next;
              ch_free(ext);
       }
       return(0);
}

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int fe_extended ( Operation op,
SlapReply rs 
)

Definition at line 196 of file extended.c.

{
       struct extop_list    *ext = NULL;
       struct berval        reqdata = BER_BVNULL;

       if (op->ore_reqdata) {
              reqdata = *op->ore_reqdata;
       }

       ext = find_extop(supp_ext_list, &op->ore_reqoid );
       if ( ext == NULL ) {
              Debug( LDAP_DEBUG_ANY, "%s do_extended: unsupported operation \"%s\"\n",
                     op->o_log_prefix, op->ore_reqoid.bv_val, 0 );
              send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
                     "unsupported extended operation" );
              goto done;
       }

       op->ore_flags = ext->flags;

       Debug( LDAP_DEBUG_ARGS, "do_extended: oid=%s\n",
              op->ore_reqoid.bv_val, 0 ,0 );

       { /* start of OpenLDAP extended operation */
              BackendDB     *bd = op->o_bd;

              rs->sr_err = (ext->ext_main)( op, rs );

              if( rs->sr_err != SLAPD_ABANDON ) {
                     if ( rs->sr_err == LDAP_REFERRAL && rs->sr_ref == NULL ) {
                            rs->sr_ref = referral_rewrite( default_referral,
                                   NULL, NULL, LDAP_SCOPE_DEFAULT );
                            if ( !rs->sr_ref ) rs->sr_ref = default_referral;
                            if ( !rs->sr_ref ) {
                                   rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
                                   rs->sr_text = "referral missing";
                            }
                     }

                     if ( op->o_bd == NULL )
                            op->o_bd = bd;
                     send_ldap_extended( op, rs );

                     if ( rs->sr_ref != default_referral ) {
                            ber_bvarray_free( rs->sr_ref );
                            rs->sr_ref = NULL;
                     }
              }

              if ( rs->sr_rspoid != NULL ) {
                     free( (char *)rs->sr_rspoid );
                     rs->sr_rspoid = NULL;
              }

              if ( rs->sr_rspdata != NULL ) {
                     ber_bvfree( rs->sr_rspdata );
                     rs->sr_rspdata = NULL;
              }
       } /* end of OpenLDAP extended operation */

done:;
       return rs->sr_err;
}

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static struct extop_list * find_extop ( struct extop_list list,
struct berval oid 
) [static, read]

Definition at line 353 of file extended.c.

{
       struct extop_list *ext;

       for (ext = list; ext; ext = ext->next) {
              if (bvmatch(&ext->oid, oid))
                     return(ext);
       }
       return(NULL);
}

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struct berval* get_supported_extop ( int  index) [read]

Definition at line 76 of file extended.c.

{
       struct extop_list *ext;

       /* linear scan is slow, but this way doesn't force a
        * big change on root_dse.c, where this routine is used.
        */
       for (ext = supp_ext_list; ext != NULL && --index >= 0; ext = ext->next) {
              ; /* empty */
       }

       if (ext == NULL) return NULL;

       return &ext->oid;
}
int load_extop2 ( const struct berval ext_oid,
slap_mask_t  ext_flags,
SLAP_EXTOP_MAIN_FN *  ext_main,
unsigned  flags 
)

Definition at line 261 of file extended.c.

{
       struct berval        oidm = BER_BVNULL;
       struct extop_list    *ext;
       int                  insertme = 0;

       if ( !ext_main ) {
              return -1; 
       }

       if ( ext_oid == NULL || BER_BVISNULL( ext_oid ) ||
              BER_BVISEMPTY( ext_oid ) )
       {
              return -1; 
       }

       if ( numericoidValidate( NULL, (struct berval *)ext_oid ) !=
              LDAP_SUCCESS )
       {
              oidm.bv_val = oidm_find( ext_oid->bv_val );
              if ( oidm.bv_val == NULL ) {
                     return -1;
              }
              oidm.bv_len = strlen( oidm.bv_val );
              ext_oid = &oidm;
       }

       for ( ext = supp_ext_list; ext; ext = ext->next ) {
              if ( bvmatch( ext_oid, &ext->oid ) ) {
                     if ( flags == 1 ) {
                            break;
                     }
                     return -1;
              }
       }

       if ( flags == 0 || ext == NULL ) {
              ext = ch_calloc( 1, sizeof(struct extop_list) + ext_oid->bv_len + 1 );
              if ( ext == NULL ) {
                     return(-1);
              }

              ext->oid.bv_val = (char *)(ext + 1);
              AC_MEMCPY( ext->oid.bv_val, ext_oid->bv_val, ext_oid->bv_len );
              ext->oid.bv_len = ext_oid->bv_len;
              ext->oid.bv_val[ext->oid.bv_len] = '\0';

              insertme = 1;
       }

       ext->flags = ext_flags;
       ext->ext_main = ext_main;

       if ( insertme ) {
              ext->next = supp_ext_list;
              supp_ext_list = ext;
       }

       return(0);
}

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static int whoami_extop ( Operation op,
SlapReply rs 
) [static]

Definition at line 368 of file extended.c.

{
       struct berval *bv;

       if ( op->ore_reqdata != NULL ) {
              /* no request data should be provided */
              rs->sr_text = "no request data expected";
              return LDAP_PROTOCOL_ERROR;
       }

       Statslog( LDAP_DEBUG_STATS, "%s WHOAMI\n",
           op->o_log_prefix, 0, 0, 0, 0 );

       op->o_bd = op->o_conn->c_authz_backend;
       if( backend_check_restrictions( op, rs,
              (struct berval *)&slap_EXOP_WHOAMI ) != LDAP_SUCCESS )
       {
              return rs->sr_err;
       }

       bv = (struct berval *) ch_malloc( sizeof(struct berval) );
       if( op->o_dn.bv_len ) {
              bv->bv_len = op->o_dn.bv_len + STRLENOF( "dn:" );
              bv->bv_val = ch_malloc( bv->bv_len + 1 );
              AC_MEMCPY( bv->bv_val, "dn:", STRLENOF( "dn:" ) );
              AC_MEMCPY( &bv->bv_val[STRLENOF( "dn:" )], op->o_dn.bv_val,
                     op->o_dn.bv_len );
              bv->bv_val[bv->bv_len] = '\0';

       } else {
              bv->bv_len = 0;
              bv->bv_val = NULL;
       }

       rs->sr_rspdata = bv;
       return LDAP_SUCCESS;
}

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Variable Documentation

struct { ... } builtin_extops[] [static]
struct extop_list * supp_ext_list [static]
SLAP_EXTOP_MAIN_FN whoami_extop [static]

Definition at line 49 of file extended.c.