openldap/servers/slapd/back-tcl/tcl_modify.c
2003-03-01 20:20:53 +00:00

129 lines
3.3 KiB
C

/* $OpenLDAP$ */
/* 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.
*/
#include "portable.h"
#include <stdio.h>
#include "slap.h"
#include "tcl_back.h"
int
tcl_back_modify (
Backend * be,
Connection * conn,
Operation * op,
struct berval *dn,
struct berval *ndn,
Modifications * modlist
)
{
char *command, *bp, *tcl_mods, *results;
struct berval suf_tcl;
int i, code, err = 0, len, bsize;
struct tclinfo *ti = (struct tclinfo *) be->be_private;
if (ti->ti_modify.bv_len == 0) {
send_ldap_result (conn, op, LDAP_UNWILLING_TO_PERFORM, NULL,
"modify not implemented", NULL, NULL );
return (-1);
}
if (tcl_merge_bvlist (be->be_suffix, &suf_tcl) == NULL) {
send_ldap_result (conn, op, LDAP_OTHER, NULL,
NULL, NULL, NULL );
return (-1);
}
tcl_mods = (char *) ch_malloc (BUFSIZ);
tcl_mods[0] = '\0';
bsize = BUFSIZ;
bp = tcl_mods;
for (; modlist != NULL; modlist = modlist->sml_next) {
Modification *mods = &modlist->sml_mod;
const struct berval
op_add = { sizeof("add") - 1, "add" },
op_delete = { sizeof("delete") - 1, "delete" },
op_replace = { sizeof("replace") - 1, "replace" },
*op = NULL;
switch (mods->sm_op & ~LDAP_MOD_BVALUES) {
case LDAP_MOD_ADD:
op = &op_add;
break;
case LDAP_MOD_DELETE:
op = &op_delete;
break;
case LDAP_MOD_REPLACE:
op = &op_replace;
break;
default:
assert(0);
}
len = mods->sm_type.bv_len + op->bv_len + 7;
while (bp + len - tcl_mods > bsize) {
bsize += BUFSIZ;
tcl_mods = (char *) ch_realloc (tcl_mods, bsize);
}
sprintf (bp, "{ {%s: %s} ", op->bv_val, mods->sm_type.bv_val);
bp += len;
for (i = 0;
mods->sm_bvalues != NULL && mods->sm_bvalues[i].bv_val
!= NULL;
i++) {
len = mods->sm_type.bv_len +
mods->sm_bvalues[i].bv_len + 5 +
(mods->sm_bvalues[i + 1].bv_val == 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->sm_type.bv_val,
mods->sm_bvalues[i].bv_val,
mods->sm_bvalues[i + 1].bv_val ==
NULL ? "} " : "");
bp += len;
}
}
command = (char *) ch_malloc (ti->ti_modify.bv_len + suf_tcl.bv_len
+ dn->bv_len + strlen (tcl_mods) + 84);
/* This space is simply for aesthetics--\ */
sprintf (command, "%s MODIFY {%ld/%ld} {%s} {%s} { %s}",
ti->ti_modify.bv_val, op->o_connid, (long) op->o_msgid,
suf_tcl.bv_val, dn->bv_val, tcl_mods);
Tcl_Free (suf_tcl.bv_val);
free (tcl_mods);
ldap_pvt_thread_mutex_lock (&tcl_interpreter_mutex);
code = Tcl_GlobalEval (ti->ti_ii->interp, command);
results = (char *) ch_strdup (ti->ti_ii->interp->result);
ldap_pvt_thread_mutex_unlock (&tcl_interpreter_mutex);
free (command);
if (code != TCL_OK) {
err = LDAP_OTHER;
Debug (LDAP_DEBUG_SHELL, "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", NULL, NULL );
free (results);
return (err);
}