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openldap  2.4.31
Defines | Functions
add.c File Reference
#include "portable.h"
#include <stdio.h>
#include <ac/string.h>
#include <ac/time.h>
#include <ac/socket.h>
#include "lutil.h"
#include "slap.h"

Go to the source code of this file.

Defines

#define SLURPD_FRIENDLY

Functions

int do_add (Operation *op, SlapReply *rs)
int fe_op_add (Operation *op, SlapReply *rs)
int slap_mods2entry (Modifications *mods, Entry **e, int initial, int dup, const char **text, char *textbuf, size_t textlen)
int slap_entry2mods (Entry *e, Modifications **mods, const char **text, char *textbuf, size_t textlen)
int slap_add_opattrs (Operation *op, const char **text, char *textbuf, size_t textlen, int manage_ctxcsn)

Define Documentation

#define SLURPD_FRIENDLY

Function Documentation

int do_add ( Operation op,
SlapReply rs 
)

Definition at line 37 of file add.c.

{
       BerElement    *ber = op->o_ber;
       char          *last;
       struct berval dn = BER_BVNULL;
       ber_len_t     len;
       ber_tag_t     tag;
       Modifications *modlist = NULL;
       Modifications **modtail = &modlist;
       Modifications tmp;
       char          textbuf[ SLAP_TEXT_BUFLEN ];
       size_t        textlen = sizeof( textbuf );
       int           rc = 0;
       int           freevals = 1;
       OpExtraDB oex;

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

       /*
        * Parse the add request.  It looks like this:
        *
        *     AddRequest := [APPLICATION 14] SEQUENCE {
        *            name   DistinguishedName,
        *            attrs  SEQUENCE OF SEQUENCE {
        *                   type   AttributeType,
        *                   values SET OF AttributeValue
        *            }
        *     }
        */

       /* get the name */
       if ( ber_scanf( ber, "{m", /*}*/ &dn ) == LBER_ERROR ) {
              Debug( LDAP_DEBUG_ANY, "%s do_add: ber_scanf failed\n",
                     op->o_log_prefix, 0, 0 );
              send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
              return SLAPD_DISCONNECT;
       }

       Debug( LDAP_DEBUG_ARGS, "%s do_add: dn (%s)\n",
              op->o_log_prefix, dn.bv_val, 0 );

       /* get the attrs */
       for ( tag = ber_first_element( ber, &len, &last ); tag != LBER_DEFAULT;
           tag = ber_next_element( ber, &len, last ) )
       {
              Modifications *mod;
              ber_tag_t rtag;

              tmp.sml_nvalues = NULL;

              rtag = ber_scanf( ber, "{m{W}}", &tmp.sml_type, &tmp.sml_values );

              if ( rtag == LBER_ERROR ) {
                     Debug( LDAP_DEBUG_ANY, "%s do_add: decoding error\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 ( tmp.sml_values == NULL ) {
                     Debug( LDAP_DEBUG_ANY, "%s do_add: no values for type %s\n",
                            op->o_log_prefix, tmp.sml_type.bv_val, 0 );
                     send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
                            "no values for attribute type" );
                     goto done;
              }

              mod  = (Modifications *) ch_malloc( sizeof(Modifications) );
              mod->sml_op = LDAP_MOD_ADD;
              mod->sml_flags = 0;
              mod->sml_next = NULL;
              mod->sml_desc = NULL;
              mod->sml_type = tmp.sml_type;
              mod->sml_values = tmp.sml_values;
              mod->sml_nvalues = NULL;

              *modtail = mod;
              modtail = &mod->sml_next;
       }

       if ( ber_scanf( ber, /*{*/ "}") == LBER_ERROR ) {
              Debug( LDAP_DEBUG_ANY, "%s do_add: 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_add: get_ctrls failed\n",
                     op->o_log_prefix, 0, 0 );
              goto done;
       } 

       rs->sr_err = dnPrettyNormal( NULL, &dn, &op->o_req_dn, &op->o_req_ndn,
              op->o_tmpmemctx );

       if ( rs->sr_err != LDAP_SUCCESS ) {
              Debug( LDAP_DEBUG_ANY, "%s do_add: invalid dn (%s)\n",
                     op->o_log_prefix, dn.bv_val, 0 );
              send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid DN" );
              goto done;
       }

       op->ora_e = entry_alloc();
       ber_dupbv( &op->ora_e->e_name, &op->o_req_dn );
       ber_dupbv( &op->ora_e->e_nname, &op->o_req_ndn );

       Statslog( LDAP_DEBUG_STATS, "%s ADD dn=\"%s\"\n",
           op->o_log_prefix, op->o_req_dn.bv_val, 0, 0, 0 );

       if ( modlist == NULL ) {
              send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
                     "no attributes provided" );
              goto done;
       }

       if ( dn_match( &op->ora_e->e_nname, &slap_empty_bv ) ) {
              /* protocolError may be a more appropriate error */
              send_ldap_error( op, rs, LDAP_ALREADY_EXISTS,
                     "root DSE already exists" );
              goto done;

       } else if ( dn_match( &op->ora_e->e_nname, &frontendDB->be_schemandn ) ) {
              send_ldap_error( op, rs, LDAP_ALREADY_EXISTS,
                     "subschema subentry already exists" );
              goto done;
       }

       rs->sr_err = slap_mods_check( op, modlist, &rs->sr_text,
              textbuf, textlen, NULL );

       if ( rs->sr_err != LDAP_SUCCESS ) {
              send_ldap_result( op, rs );
              goto done;
       }

       /* temporary; remove if not invoking backend function */
       op->ora_modlist = modlist;

       /* call this so global overlays/SLAPI have access to ora_e */
       rs->sr_err = slap_mods2entry( op->ora_modlist, &op->ora_e,
              1, 0, &rs->sr_text, textbuf, textlen );
       if ( rs->sr_err != LDAP_SUCCESS ) {
              send_ldap_result( op, rs );
              goto done;
       }

       freevals = 0;

       oex.oe.oe_key = (void *)do_add;
       oex.oe_db = NULL;
       LDAP_SLIST_INSERT_HEAD(&op->o_extra, &oex.oe, oe_next);

       op->o_bd = frontendDB;
       rc = frontendDB->be_add( op, rs );
       LDAP_SLIST_REMOVE(&op->o_extra, &oex.oe, OpExtra, oe_next);

#ifdef LDAP_X_TXN
       if ( rc == LDAP_X_TXN_SPECIFY_OKAY ) {
              /* skip cleanup */
              return rc;
       } else
#endif
       if ( rc == 0 ) {
              if ( op->ora_e != NULL && oex.oe_db != NULL ) {
                     BackendDB     *bd = op->o_bd;

                     op->o_bd = oex.oe_db;

                     be_entry_release_w( op, op->ora_e );

                     op->ora_e = NULL;
                     op->o_bd = bd;
              }
       }

done:;
       if ( modlist != NULL ) {
              /* in case of error, free the values as well */
              slap_mods_free( modlist, freevals );
       }

       if ( op->ora_e != NULL ) {
              entry_free( op->ora_e );
       }
       op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
       op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );

       return rc;
}

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int fe_op_add ( Operation op,
SlapReply rs 
)

Definition at line 232 of file add.c.

{
       Modifications **modtail = &op->ora_modlist;
       int           rc = 0;
       BackendDB     *op_be, *bd = op->o_bd;
       char          textbuf[ SLAP_TEXT_BUFLEN ];
       size_t        textlen = sizeof( textbuf );

       /*
        * We could be serving multiple database backends.  Select the
        * appropriate one, or send a referral to our "referral server"
        * if we don't hold it.
        */
       op->o_bd = select_backend( &op->ora_e->e_nname, 1 );
       if ( op->o_bd == NULL ) {
              op->o_bd = bd;
              rs->sr_ref = referral_rewrite( default_referral,
                     NULL, &op->ora_e->e_name, LDAP_SCOPE_DEFAULT );
              if ( !rs->sr_ref ) rs->sr_ref = default_referral;
              if ( rs->sr_ref ) {
                     rs->sr_err = LDAP_REFERRAL;
                     send_ldap_result( op, rs );

                     if ( rs->sr_ref != default_referral ) {
                            ber_bvarray_free( rs->sr_ref );
                     }
              } else {
                     send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
                            "no global superior knowledge" );
              }
              goto done;
       }

       /* If we've got a glued backend, check the real backend */
       op_be = op->o_bd;
       if ( SLAP_GLUE_INSTANCE( op->o_bd )) {
              op->o_bd = select_backend( &op->ora_e->e_nname, 0 );
       }

       /* check restrictions */
       if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
              send_ldap_result( op, rs );
              goto done;
       }

       /* check for referrals */
       if( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
              goto done;
       }

       rs->sr_err = slap_mods_obsolete_check( op, op->ora_modlist,
              &rs->sr_text, textbuf, textlen );

       if ( rs->sr_err != LDAP_SUCCESS ) {
              send_ldap_result( op, rs );
              goto done;
       }

       /*
        * do the add if 1 && (2 || 3)
        * 1) there is an add function implemented in this backend;
        * 2) this backend is master for what it holds;
        * 3) it's a replica and the dn supplied is the updatedn.
        */
       if ( op->o_bd->be_add ) {
              /* do the update here */
              int repl_user = be_isupdate( op );
              if ( !SLAP_SINGLE_SHADOW(op->o_bd) || repl_user ) {
                     int           update = !BER_BVISEMPTY( &op->o_bd->be_update_ndn );

                     op->o_bd = op_be;

                     if ( !update ) {
                            rs->sr_err = slap_mods_no_user_mod_check( op, op->ora_modlist,
                                   &rs->sr_text, textbuf, textlen );

                            if ( rs->sr_err != LDAP_SUCCESS ) {
                                   send_ldap_result( op, rs );
                                   goto done;
                            }
                     }

                     if ( !repl_user ) {
                            /* go to the last mod */
                            for ( modtail = &op->ora_modlist;
                                          *modtail != NULL;
                                          modtail = &(*modtail)->sml_next )
                            {
                                   assert( (*modtail)->sml_op == LDAP_MOD_ADD );
                                   assert( (*modtail)->sml_desc != NULL );
                            }


                            /* check for unmodifiable attributes */
                            rs->sr_err = slap_mods_no_repl_user_mod_check( op,
                                   op->ora_modlist, &rs->sr_text, textbuf, textlen );
                            if ( rs->sr_err != LDAP_SUCCESS ) {
                                   send_ldap_result( op, rs );
                                   goto done;
                            }
                     }

                     rc = op->o_bd->be_add( op, rs );
                     if ( rc == LDAP_SUCCESS ) {
                            OpExtra *oex;
                            /* NOTE: be_entry_release_w() is
                             * called by do_add(), so that global
                             * overlays on the way back can
                             * at least read the entry */
                            LDAP_SLIST_FOREACH(oex, &op->o_extra, oe_next) {
                                   if ( oex->oe_key == (void *)do_add ) {
                                          ((OpExtraDB *)oex)->oe_db = op->o_bd;
                                          break;
                                   }
                            }
                     }

              } else {
                     BerVarray defref = NULL;

                     defref = op->o_bd->be_update_refs
                            ? op->o_bd->be_update_refs : default_referral;

                     if ( defref != NULL ) {
                            rs->sr_ref = referral_rewrite( defref,
                                   NULL, &op->ora_e->e_name, LDAP_SCOPE_DEFAULT );
                            if ( rs->sr_ref == NULL ) rs->sr_ref = defref;
                            rs->sr_err = LDAP_REFERRAL;
                            if (!rs->sr_ref) rs->sr_ref = default_referral;
                            send_ldap_result( op, rs );

                            if ( rs->sr_ref != default_referral ) {
                                   ber_bvarray_free( rs->sr_ref );
                            }
                     } else {
                            send_ldap_error( op, rs,
                                   LDAP_UNWILLING_TO_PERFORM,
                                   "shadow context; no update referral" );
                     }
              }
       } else {
              Debug( LDAP_DEBUG_ARGS, "do_add: no backend support\n", 0, 0, 0 );
              send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
                     "operation not supported within namingContext" );
       }

done:;
       op->o_bd = bd;
       return rc;
}

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int slap_add_opattrs ( Operation op,
const char **  text,
char *  textbuf,
size_t  textlen,
int  manage_ctxcsn 
)

Definition at line 582 of file add.c.

{
       struct berval name, timestamp, csn = BER_BVNULL;
       struct berval nname, tmp;
       char timebuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
       char csnbuf[ LDAP_PVT_CSNSTR_BUFSIZE ];
       Attribute *a;

       if ( SLAP_LASTMOD( op->o_bd ) ) {
              char *ptr;
              int gotcsn = 0;

              timestamp.bv_val = timebuf;
              a = attr_find( op->ora_e->e_attrs, slap_schema.si_ad_entryCSN );
              if ( a ) {
                     gotcsn = 1;
                     csn = a->a_vals[0];
              }
              if ( BER_BVISEMPTY( &op->o_csn )) {
                     if ( !gotcsn ) {
                            csn.bv_val = csnbuf;
                            csn.bv_len = sizeof(csnbuf);
                            slap_get_csn( op, &csn, manage_ctxcsn );
                     } else {
                            if ( manage_ctxcsn )
                                   slap_queue_csn( op, &csn );
                     }
              } else {
                     csn = op->o_csn;
              }
              ptr = ber_bvchr( &csn, '#' );
              if ( ptr ) {
                     timestamp.bv_len = STRLENOF("YYYYMMDDHHMMSSZ");
                     AC_MEMCPY( timebuf, csn.bv_val, timestamp.bv_len );
                     timebuf[timestamp.bv_len-1] = 'Z';
                     timebuf[timestamp.bv_len] = '\0';
              } else {
                     time_t now = slap_get_time();

                     timestamp.bv_len = sizeof(timebuf);

                     slap_timestamp( &now, &timestamp );
              }

              if ( BER_BVISEMPTY( &op->o_dn ) ) {
                     BER_BVSTR( &name, SLAPD_ANONYMOUS );
                     nname = name;
              } else {
                     name = op->o_dn;
                     nname = op->o_ndn;
              }

              a = attr_find( op->ora_e->e_attrs,
                     slap_schema.si_ad_entryUUID );
              if ( !a ) {
                     char uuidbuf[ LDAP_LUTIL_UUIDSTR_BUFSIZE ];

                     tmp.bv_len = lutil_uuidstr( uuidbuf, sizeof( uuidbuf ) );
                     tmp.bv_val = uuidbuf;
                     
                     attr_merge_normalize_one( op->ora_e,
                            slap_schema.si_ad_entryUUID, &tmp, op->o_tmpmemctx );
              }

              a = attr_find( op->ora_e->e_attrs,
                     slap_schema.si_ad_creatorsName );
              if ( !a ) {
                     attr_merge_one( op->ora_e,
                            slap_schema.si_ad_creatorsName, &name, &nname );
              }

              a = attr_find( op->ora_e->e_attrs,
                     slap_schema.si_ad_createTimestamp );
              if ( !a ) {
                     attr_merge_one( op->ora_e,
                            slap_schema.si_ad_createTimestamp, &timestamp, NULL );
              }

              if ( !gotcsn ) {
                     attr_merge_one( op->ora_e,
                            slap_schema.si_ad_entryCSN, &csn, NULL );
              }

              a = attr_find( op->ora_e->e_attrs,
                     slap_schema.si_ad_modifiersName );
              if ( !a ) {
                     attr_merge_one( op->ora_e,
                            slap_schema.si_ad_modifiersName, &name, &nname );
              }

              a = attr_find( op->ora_e->e_attrs,
                     slap_schema.si_ad_modifyTimestamp );
              if ( !a ) {
                     attr_merge_one( op->ora_e,
                            slap_schema.si_ad_modifyTimestamp, &timestamp, NULL );
              }
       }

       return LDAP_SUCCESS;
}

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int slap_entry2mods ( Entry e,
Modifications **  mods,
const char **  text,
char *  textbuf,
size_t  textlen 
)

Definition at line 514 of file add.c.

{
       Modifications *modhead = NULL;
       Modifications *mod;
       Modifications **modtail = &modhead;
       Attribute            *a_new;
       AttributeDescription *a_new_desc;
       int                         i, count;

       a_new = e->e_attrs;

       while ( a_new != NULL ) {
              a_new_desc = a_new->a_desc;
              mod = (Modifications *) ch_malloc( sizeof( Modifications ));
              
              mod->sml_op = LDAP_MOD_REPLACE;
              mod->sml_flags = 0;

              mod->sml_type = a_new_desc->ad_cname;

              count = a_new->a_numvals;
              mod->sml_numvals = a_new->a_numvals;

              mod->sml_values = (struct berval*) ch_malloc(
                     (count+1) * sizeof( struct berval) );

              /* see slap_mods_check() comments...
               * if a_vals == a_nvals, there is no normalizer.
               * in this case, mod->sml_nvalues must be left NULL.
               */
              if ( a_new->a_vals != a_new->a_nvals ) {
                     mod->sml_nvalues = (struct berval*) ch_malloc(
                            (count+1) * sizeof( struct berval) );
              } else {
                     mod->sml_nvalues = NULL;
              }

              for ( i = 0; i < count; i++ ) {
                     ber_dupbv(mod->sml_values+i, a_new->a_vals+i); 
                     if ( mod->sml_nvalues ) {
                            ber_dupbv( mod->sml_nvalues+i, a_new->a_nvals+i ); 
                     } 
              }

              mod->sml_values[count].bv_val = NULL; 
              mod->sml_values[count].bv_len = 0; 

              if ( mod->sml_nvalues ) {
                     mod->sml_nvalues[count].bv_val = NULL; 
                     mod->sml_nvalues[count].bv_len = 0; 
              }

              mod->sml_desc = a_new_desc;
              mod->sml_next =NULL;
              *modtail = mod;
              modtail = &mod->sml_next;
              a_new = a_new->a_next; 
       }

       *mods = modhead;

       return LDAP_SUCCESS;
}

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int slap_mods2entry ( Modifications mods,
Entry **  e,
int  initial,
int  dup,
const char **  text,
char *  textbuf,
size_t  textlen 
)

Definition at line 384 of file add.c.

{
       Attribute **tail;
       int i;

       if ( initial ) {
              assert( (*e)->e_attrs == NULL );
       }

       for ( tail = &(*e)->e_attrs; *tail != NULL; tail = &(*tail)->a_next )
              ;

       *text = textbuf;

       for( ; mods != NULL; mods = mods->sml_next ) {
              Attribute *attr;

              assert( mods->sml_desc != NULL );

              attr = attr_find( (*e)->e_attrs, mods->sml_desc );

              if( attr != NULL ) {
#define SLURPD_FRIENDLY
#ifdef SLURPD_FRIENDLY
                     int j;

                     if ( !initial ) {
                            /*     
                             * This check allows overlays to override operational
                             * attributes by setting them directly in the entry.
                             * We assume slap_mods_no_user_mod_check() was called
                             * with the user modifications.
                             */
                            *text = NULL;
                            return LDAP_SUCCESS;
                     }

                     i = attr->a_numvals;
                     j = mods->sml_numvals;
                     attr->a_numvals += j;
                     j++;   /* NULL */
                     
                     attr->a_vals = ch_realloc( attr->a_vals,
                            sizeof( struct berval ) * (i+j) );

                     /* checked for duplicates in slap_mods_check */

                     if ( dup ) {
                            for ( j = 0; mods->sml_values[j].bv_val; j++ ) {
                                   ber_dupbv( &attr->a_vals[i+j], &mods->sml_values[j] );
                            }
                            BER_BVZERO( &attr->a_vals[i+j] );
                            j++;
                     } else {
                            AC_MEMCPY( &attr->a_vals[i], mods->sml_values,
                                   sizeof( struct berval ) * j );
                     }

                     if( mods->sml_nvalues ) {
                            attr->a_nvals = ch_realloc( attr->a_nvals,
                                   sizeof( struct berval ) * (i+j) );
                            if ( dup ) {
                                   for ( j = 0; mods->sml_nvalues[j].bv_val; j++ ) {
                                          ber_dupbv( &attr->a_nvals[i+j], &mods->sml_nvalues[j] );
                                   }
                                   BER_BVZERO( &attr->a_nvals[i+j] ); 
                            } else {
                                   AC_MEMCPY( &attr->a_nvals[i], mods->sml_nvalues,
                                          sizeof( struct berval ) * j );
                            }
                     } else {
                            attr->a_nvals = attr->a_vals;
                     }

                     continue;
#else
                     snprintf( textbuf, textlen,
                            "attribute '%s' provided more than once",
                            mods->sml_desc->ad_cname.bv_val );
                     *text = textbuf;
                     return LDAP_TYPE_OR_VALUE_EXISTS;
#endif
              }

              attr = attr_alloc( mods->sml_desc );

              /* move values to attr structure */
              i = mods->sml_numvals;
              attr->a_numvals = mods->sml_numvals;
              if ( dup ) { 
                     attr->a_vals = (BerVarray) ch_calloc( i+1, sizeof( BerValue ));
                     for ( i = 0; mods->sml_values[i].bv_val; i++ ) {
                            ber_dupbv( &attr->a_vals[i], &mods->sml_values[i] );
                     }
                     BER_BVZERO( &attr->a_vals[i] );
              } else {
                     attr->a_vals = mods->sml_values;
              }

              if ( mods->sml_nvalues ) {
                     if ( dup ) {
                            i = mods->sml_numvals;
                            attr->a_nvals = (BerVarray) ch_calloc( i+1, sizeof( BerValue ));
                            for ( i = 0; mods->sml_nvalues[i].bv_val; i++ ) {
                                   ber_dupbv( &attr->a_nvals[i], &mods->sml_nvalues[i] );
                            }
                            BER_BVZERO( &attr->a_nvals[i] );
                     } else {
                            attr->a_nvals = mods->sml_nvalues;
                     }
              } else {
                     attr->a_nvals = attr->a_vals;
              }

              *tail = attr;
              tail = &attr->a_next;
       }

       *text = NULL;

       return LDAP_SUCCESS;
}

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