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Diffstat (limited to 'libraries/libldap/modify.c')
| -rw-r--r-- | libraries/libldap/modify.c | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/libraries/libldap/modify.c b/libraries/libldap/modify.c new file mode 100644 index 0000000..eb37afb --- /dev/null +++ b/libraries/libldap/modify.c @@ -0,0 +1,233 @@ +/* $OpenLDAP$ */ +/* This work is part of OpenLDAP Software <http://www.openldap.org/>. + * + * Copyright 1998-2018 The OpenLDAP Foundation. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted only as authorized by the OpenLDAP + * Public License. + * + * A copy of this license is available in the file LICENSE in the + * top-level directory of the distribution or, alternatively, at + * <http://www.OpenLDAP.org/license.html>. + */ +/* Portions Copyright (c) 1990 Regents of the University of Michigan. + * All rights reserved. + */ + +#include "portable.h" + +#include <stdio.h> + +#include <ac/socket.h> +#include <ac/string.h> +#include <ac/time.h> + +#include "ldap-int.h" + +/* A modify request/response looks like this: + * ModifyRequest ::= [APPLICATION 6] SEQUENCE { + * object LDAPDN, + * changes SEQUENCE OF change SEQUENCE { + * operation ENUMERATED { + * add (0), + * delete (1), + * replace (2), + * ... }, + * modification PartialAttribute } } + * + * PartialAttribute ::= SEQUENCE { + * type AttributeDescription, + * vals SET OF value AttributeValue } + * + * AttributeDescription ::= LDAPString + * -- Constrained to <attributedescription> [RFC4512] + * + * AttributeValue ::= OCTET STRING + * + * ModifyResponse ::= [APPLICATION 7] LDAPResult + * + * (Source: RFC 4511) + */ + +BerElement * +ldap_build_modify_req( + LDAP *ld, + LDAP_CONST char *dn, + LDAPMod **mods, + LDAPControl **sctrls, + LDAPControl **cctrls, + ber_int_t *msgidp ) +{ + BerElement *ber; + int i, rc; + + /* create a message to send */ + if ( (ber = ldap_alloc_ber_with_options( ld )) == NULL ) { + return( NULL ); + } + + LDAP_NEXT_MSGID( ld, *msgidp ); + rc = ber_printf( ber, "{it{s{" /*}}}*/, *msgidp, LDAP_REQ_MODIFY, dn ); + if ( rc == -1 ) { + ld->ld_errno = LDAP_ENCODING_ERROR; + ber_free( ber, 1 ); + return( NULL ); + } + + /* allow mods to be NULL ("touch") */ + if ( mods ) { + /* for each modification to be performed... */ + for ( i = 0; mods[i] != NULL; i++ ) { + if (( mods[i]->mod_op & LDAP_MOD_BVALUES) != 0 ) { + rc = ber_printf( ber, "{e{s[V]N}N}", + (ber_int_t) ( mods[i]->mod_op & ~LDAP_MOD_BVALUES ), + mods[i]->mod_type, mods[i]->mod_bvalues ); + } else { + rc = ber_printf( ber, "{e{s[v]N}N}", + (ber_int_t) mods[i]->mod_op, + mods[i]->mod_type, mods[i]->mod_values ); + } + + if ( rc == -1 ) { + ld->ld_errno = LDAP_ENCODING_ERROR; + ber_free( ber, 1 ); + return( NULL ); + } + } + } + + if ( ber_printf( ber, /*{{*/ "N}N}" ) == -1 ) { + ld->ld_errno = LDAP_ENCODING_ERROR; + ber_free( ber, 1 ); + return( NULL ); + } + + /* Put Server Controls */ + if( ldap_int_put_controls( ld, sctrls, ber ) != LDAP_SUCCESS ) { + ber_free( ber, 1 ); + return( NULL ); + } + + if ( ber_printf( ber, /*{*/ "N}" ) == -1 ) { + ld->ld_errno = LDAP_ENCODING_ERROR; + ber_free( ber, 1 ); + return( NULL ); + } + + return( ber ); +} + +/* + * ldap_modify_ext - initiate an ldap extended modify operation. + * + * Parameters: + * + * ld LDAP descriptor + * dn DN of the object to modify + * mods List of modifications to make. This is null-terminated + * array of struct ldapmod's, specifying the modifications + * to perform. + * sctrls Server Controls + * cctrls Client Controls + * msgidp Message ID pointer + * + * Example: + * LDAPMod *mods[] = { + * { LDAP_MOD_ADD, "cn", { "babs jensen", "babs", 0 } }, + * { LDAP_MOD_REPLACE, "sn", { "babs jensen", "babs", 0 } }, + * { LDAP_MOD_DELETE, "ou", 0 }, + * { LDAP_MOD_INCREMENT, "uidNumber, { "1", 0 } } + * 0 + * } + * rc= ldap_modify_ext( ld, dn, mods, sctrls, cctrls, &msgid ); + */ +int +ldap_modify_ext( LDAP *ld, + LDAP_CONST char *dn, + LDAPMod **mods, + LDAPControl **sctrls, + LDAPControl **cctrls, + int *msgidp ) +{ + BerElement *ber; + int rc; + ber_int_t id; + + Debug( LDAP_DEBUG_TRACE, "ldap_modify_ext\n", 0, 0, 0 ); + + /* check client controls */ + rc = ldap_int_client_controls( ld, cctrls ); + if( rc != LDAP_SUCCESS ) return rc; + + ber = ldap_build_modify_req( ld, dn, mods, sctrls, cctrls, &id ); + if( !ber ) + return ld->ld_errno; + + /* send the message */ + *msgidp = ldap_send_initial_request( ld, LDAP_REQ_MODIFY, dn, ber, id ); + return( *msgidp < 0 ? ld->ld_errno : LDAP_SUCCESS ); +} + +/* + * ldap_modify - initiate an ldap modify operation. + * + * Parameters: + * + * ld LDAP descriptor + * dn DN of the object to modify + * mods List of modifications to make. This is null-terminated + * array of struct ldapmod's, specifying the modifications + * to perform. + * + * Example: + * LDAPMod *mods[] = { + * { LDAP_MOD_ADD, "cn", { "babs jensen", "babs", 0 } }, + * { LDAP_MOD_REPLACE, "sn", { "babs jensen", "babs", 0 } }, + * { LDAP_MOD_DELETE, "ou", 0 }, + * { LDAP_MOD_INCREMENT, "uidNumber, { "1", 0 } } + * 0 + * } + * msgid = ldap_modify( ld, dn, mods ); + */ +int +ldap_modify( LDAP *ld, LDAP_CONST char *dn, LDAPMod **mods ) +{ + int rc, msgid; + + Debug( LDAP_DEBUG_TRACE, "ldap_modify\n", 0, 0, 0 ); + + rc = ldap_modify_ext( ld, dn, mods, NULL, NULL, &msgid ); + + if ( rc != LDAP_SUCCESS ) + return -1; + + return msgid; +} + +int +ldap_modify_ext_s( LDAP *ld, LDAP_CONST char *dn, + LDAPMod **mods, LDAPControl **sctrl, LDAPControl **cctrl ) +{ + int rc; + int msgid; + LDAPMessage *res; + + rc = ldap_modify_ext( ld, dn, mods, sctrl, cctrl, &msgid ); + + if ( rc != LDAP_SUCCESS ) + return( rc ); + + if ( ldap_result( ld, msgid, LDAP_MSG_ALL, (struct timeval *) NULL, &res ) == -1 || !res ) + return( ld->ld_errno ); + + return( ldap_result2error( ld, res, 1 ) ); +} + +int +ldap_modify_s( LDAP *ld, LDAP_CONST char *dn, LDAPMod **mods ) +{ + return ldap_modify_ext_s( ld, dn, mods, NULL, NULL ); +} + |