openldap/servers/slapd/back-tcl/tcl_modify.c
1999-02-17 02:05:28 +00:00

117 lines
2.9 KiB
C

/*
* modify.c - tcl modify routines
*
* Copyright 1999, Ben Collins <bcollins@debian.org>, All rights reserved.
*
* Redistribution and use in source and binary forms are permitted only
* as authorized by the OpenLDAP Public License. A copy of this
* license is available at http://www.OpenLDAP.org/license.html or
* in file LICENSE in the top-level directory of the distribution.
*
* $Id$
*
* $Log$
*/
#include "portable.h"
#include <stdio.h>
#include "slap.h"
#include "tcl_back.h"
int tcl_back_modify (
Backend * be,
Connection * conn,
Operation * op,
char *dn,
LDAPModList * modlist
)
{
char *command, *suf_tcl, *bp, *tcl_mods, *results;
int i, code, err = 0, len, bsize;
struct tclinfo *ti = (struct tclinfo *) be->be_private;
if (ti->ti_modify == NULL) {
send_ldap_result (conn, op, LDAP_UNWILLING_TO_PERFORM, NULL,
"modify not implemented");
return (-1);
}
for ( i = 0; be->be_suffix[i] != NULL; i++ )
;
suf_tcl = Tcl_Merge(i, be->be_suffix);
tcl_mods = (char *) ch_malloc( BUFSIZ );
tcl_mods[0] = '\0';
bsize = BUFSIZ;
bp = tcl_mods;
for ( ; modlist != NULL; modlist = modlist->ml_next ) {
LDAPMod *mods = &modlist->ml_mod;
char *op = NULL;
switch ( mods->mod_op & ~LDAP_MOD_BVALUES ) {
case LDAP_MOD_ADD:
op = "add";
break;
case LDAP_MOD_DELETE:
op = "delete";
break;
case LDAP_MOD_REPLACE:
op = "replace";
break;
}
len = strlen( mods->mod_type ) + strlen ( op ) + 7;
while ( bp + len - tcl_mods > bsize ) {
bsize += BUFSIZ;
tcl_mods = (char *) ch_realloc( tcl_mods, bsize );
}
sprintf(bp, "{ {%s: %s} ", op, mods->mod_type);
bp += len;
for( i = 0;
mods->mod_bvalues != NULL && mods->mod_bvalues[i] != NULL;
i++ )
{
len = strlen( mods->mod_type ) + strlen (
mods->mod_bvalues[i]->bv_val ) + 5 +
(mods->mod_bvalues[i+1] == NULL ? 2 : 0);
while ( bp + len - tcl_mods > bsize ) {
bsize += BUFSIZ;
tcl_mods = (char *) ch_realloc( tcl_mods, bsize );
}
sprintf(bp, "{%s: %s} %s", mods->mod_type,
mods->mod_bvalues[i]->bv_val, mods->mod_bvalues[i+1] ==
NULL ? "} " : "");
bp += len;
}
}
command = (char *) ch_malloc (strlen(ti->ti_modify) + strlen(suf_tcl)
+ strlen(dn) + strlen(tcl_mods) + 64);
/* This space is simply for aesthetics--\ */
sprintf(command, "%s MODIFY {%ld} {%s} {%s} { %s}",
ti->ti_modify, op->o_msgid, suf_tcl, dn, tcl_mods);
Tcl_Free(suf_tcl);
free(tcl_mods);
ldap_pvt_thread_mutex_lock( &tcl_interpreter_mutex );
code = Tcl_GlobalEval(ti->ti_ii->interp, command);
results = (char *) strdup(ti->ti_ii->interp->result);
ldap_pvt_thread_mutex_unlock( &tcl_interpreter_mutex );
free(command);
if (code != TCL_OK) {
err = LDAP_OPERATIONS_ERROR;
Debug(LDAP_DEBUG_ANY, "tcl_modify_error: %s\n", results, 0, 0);
} else {
interp_send_results ( be, conn, op, results, NULL, 0 );
}
if (err != LDAP_SUCCESS)
send_ldap_result (conn, op, err, NULL, "internal backend error");
return (0);
}