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openldap/libraries/libldap/ldifutil.c
Kurt Zeilenga 5c878c1bf2 Happy new year (belated)
2014-01-25 05:21:25 -08:00

702 lines
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/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1998-2014 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.
*/
/*
* This file contains public API to help with parsing LDIF
*/
#include "portable.h"
#include <stdio.h>
#include <ac/stdlib.h>
#include <ac/ctype.h>
#include <ac/string.h>
#include <ac/unistd.h>
#include <ac/socket.h>
#include <ac/time.h>
#include "ldap-int.h"
#include "ldif.h"
#define M_SEP 0x7f
/* strings found in LDIF entries */
static struct berval BV_VERSION = BER_BVC("version");
static struct berval BV_DN = BER_BVC("dn");
static struct berval BV_CONTROL = BER_BVC("control");
static struct berval BV_CHANGETYPE = BER_BVC("changetype");
static struct berval BV_ADDCT = BER_BVC("add");
static struct berval BV_MODIFYCT = BER_BVC("modify");
static struct berval BV_DELETECT = BER_BVC("delete");
static struct berval BV_MODRDNCT = BER_BVC("modrdn");
static struct berval BV_MODDNCT = BER_BVC("moddn");
static struct berval BV_RENAMECT = BER_BVC("rename");
static struct berval BV_MODOPADD = BER_BVC("add");
static struct berval BV_MODOPREPLACE = BER_BVC("replace");
static struct berval BV_MODOPDELETE = BER_BVC("delete");
static struct berval BV_MODOPINCREMENT = BER_BVC("increment");
static struct berval BV_NEWRDN = BER_BVC("newrdn");
static struct berval BV_DELETEOLDRDN = BER_BVC("deleteoldrdn");
static struct berval BV_NEWSUP = BER_BVC("newsuperior");
#define BV_CASEMATCH(a, b) \
((a)->bv_len == (b)->bv_len && 0 == strcasecmp((a)->bv_val, (b)->bv_val))
static int parse_ldif_control LDAP_P(( struct berval *bval, LDAPControl ***ppctrls ));
void
ldap_ldif_record_done( LDIFRecord *lr )
{
int i;
/* the LDAPControl stuff does not allow the use of memory contexts */
if (lr->lr_ctrls != NULL) {
ldap_controls_free( lr->lr_ctrls );
}
if ( lr->lr_lm != NULL ) {
ber_memfree_x( lr->lr_lm, lr->lr_ctx );
}
if ( lr->lr_mops != NULL ) {
ber_memfree_x( lr->lr_mops, lr->lr_ctx );
}
for (i=lr->lr_lines-1; i>=0; i--)
if ( lr->lr_freeval[i] ) ber_memfree_x( lr->lr_vals[i].bv_val, lr->lr_ctx );
ber_memfree_x( lr->lr_btype, lr->lr_ctx );
memset( lr, 0, sizeof(LDIFRecord) );
}
/*
* ldap_parse_ldif_record_x() will convert an LDIF record read with ldif_read_record()
* into an array of LDAPMod* and an array of LDAPControl*, suitable for passing
* directly to any other LDAP API function that takes LDAPMod** and LDAPControl**
* arguments, such as ldap_modify_s().
*
* rbuf - the ldif record buffer returned from ldif_read_record - rbuf.bv_val must be
* writable - will use ldif_getline to read from it
* linenum - the ldif line number returned from ldif_read_record
* - used for logging errors (e.g. error at line N)
* lr - holds the data to return
* errstr - a string used for logging (usually the program name e.g. "ldapmodify"
* flags - 0 or some combination of LDIF_DEFAULT_ADD LDIF_ENTRIES_ONLY LDIF_NO_CONTROLS
* ctx is the memory allocation context - if NULL, use the standard memory allocator
*/
int
ldap_parse_ldif_record_x(
struct berval *rbuf,
unsigned long linenum,
LDIFRecord *lr,
const char *errstr,
unsigned int flags,
void *ctx )
{
char *line, *dn;
int rc, modop;
int expect_modop, expect_sep;
int ldapadd, new_entry, delete_entry, got_all;
LDAPMod **pmods;
int version;
LDAPControl **pctrls;
int i, j, k, idn, nmods;
struct berval **bvl, bv;
assert( lr != NULL );
assert( rbuf != NULL );
memset( lr, 0, sizeof(LDIFRecord) );
lr->lr_ctx = ctx; /* save memory context for later */
ldapadd = flags & LDIF_DEFAULT_ADD;
new_entry = ldapadd;
rc = got_all = delete_entry = modop = expect_modop = 0;
expect_sep = 0;
version = 0;
pmods = NULL;
pctrls = NULL;
dn = NULL;
lr->lr_lines = ldif_countlines( rbuf->bv_val );
lr->lr_btype = ber_memcalloc_x( 1, (lr->lr_lines+1)*2*sizeof(struct berval)+lr->lr_lines, ctx );
if ( !lr->lr_btype )
return LDAP_NO_MEMORY;
lr->lr_vals = lr->lr_btype+lr->lr_lines+1;
lr->lr_freeval = (char *)(lr->lr_vals+lr->lr_lines+1);
i = -1;
while ( rc == 0 && ( line = ldif_getline( &rbuf->bv_val )) != NULL ) {
int freev;
if ( *line == '\n' || *line == '\0' ) {
break;
}
++i;
if ( line[0] == '-' && !line[1] ) {
BER_BVZERO( lr->lr_btype+i );
lr->lr_freeval[i] = 0;
continue;
}
if ( ( rc = ldif_parse_line2( line, lr->lr_btype+i, lr->lr_vals+i, &freev ) ) < 0 ) {
fprintf( stderr, _("%s: invalid format (line %lu) entry: \"%s\"\n"),
errstr, linenum+i, dn == NULL ? "" : dn );
rc = LDAP_PARAM_ERROR;
goto leave;
}
lr->lr_freeval[i] = freev;
if ( dn == NULL ) {
if ( linenum+i == 1 && BV_CASEMATCH( lr->lr_btype+i, &BV_VERSION )) {
/* lutil_atoi() introduces a dependence of libldap
* on liblutil; we only allow version 1 by now (ITS#6654)
*/
#if 0
int v;
if( lr->lr_vals[i].bv_len == 0 || lutil_atoi( &v, lr->lr_vals[i].bv_val) != 0 || v != 1 )
#endif
static const struct berval version1 = { 1, "1" };
if ( lr->lr_vals[i].bv_len != version1.bv_len || strncmp( lr->lr_vals[i].bv_val, version1.bv_val, version1.bv_len ) != 0 )
{
fprintf( stderr,
_("%s: invalid version %s, line %lu (ignored)\n"),
errstr, lr->lr_vals[i].bv_val, linenum );
}
version++;
} else if ( BV_CASEMATCH( lr->lr_btype+i, &BV_DN )) {
lr->lr_dn = lr->lr_vals[i];
dn = lr->lr_dn.bv_val; /* primarily for logging */
idn = i;
}
/* skip all lines until we see "dn:" */
}
}
/* check to make sure there was a dn: line */
if ( !dn ) {
rc = 0;
goto leave;
}
lr->lr_lines = i+1;
if( lr->lr_lines == 0 ) {
rc = 0;
goto leave;
}
if( version && lr->lr_lines == 1 ) {
rc = 0;
goto leave;
}
i = idn+1;
/* Check for "control" tag after dn and before changetype. */
if ( BV_CASEMATCH( lr->lr_btype+i, &BV_CONTROL )) {
/* Parse and add it to the list of controls */
if ( !( flags & LDIF_NO_CONTROLS ) ) {
rc = parse_ldif_control( lr->lr_vals+i, &pctrls );
if (rc != 0) {
fprintf( stderr,
_("%s: Error processing %s line, line %lu: %s\n"),
errstr, BV_CONTROL.bv_val, linenum+i, ldap_err2string(rc) );
}
}
i++;
if ( i>= lr->lr_lines ) {
short_input:
fprintf( stderr,
_("%s: Expecting more input after %s line, line %lu\n"),
errstr, lr->lr_btype[i-1].bv_val, linenum+i );
rc = LDAP_PARAM_ERROR;
goto leave;
}
}
/* Check for changetype */
if ( BV_CASEMATCH( lr->lr_btype+i, &BV_CHANGETYPE )) {
#ifdef LIBERAL_CHANGETYPE_MODOP
/* trim trailing spaces (and log warning ...) */
int icnt;
for ( icnt = lr->lr_vals[i].bv_len; --icnt > 0; ) {
if ( !isspace( (unsigned char) lr->lr_vals[i].bv_val[icnt] ) ) {
break;
}
}
if ( ++icnt != lr->lr_vals[i].bv_len ) {
fprintf( stderr, _("%s: illegal trailing space after"
" \"%s: %s\" trimmed (line %lu, entry \"%s\")\n"),
errstr, BV_CHANGETYPE.bv_val, lr->lr_vals[i].bv_val, linenum+i, dn );
lr->lr_vals[i].bv_val[icnt] = '\0';
}
#endif /* LIBERAL_CHANGETYPE_MODOP */
/* if LDIF_ENTRIES_ONLY, then either the changetype must be add, or
there must be no changetype, and the flag LDIF_DEFAULT_ADD must be set */
if ( flags & LDIF_ENTRIES_ONLY ) {
if ( !( BV_CASEMATCH( lr->lr_vals+i, &BV_ADDCT )) ) {
ber_pvt_log_printf( LDAP_DEBUG_ANY, ldif_debug,
_("%s: skipping LDIF record beginning at line %lu: "
"changetype '%.*s' found but entries only was requested\n"),
errstr, linenum,
(int)lr->lr_vals[i].bv_len,
(const char *)lr->lr_vals[i].bv_val );
goto leave;
}
}
if ( BV_CASEMATCH( lr->lr_vals+i, &BV_MODIFYCT )) {
new_entry = 0;
expect_modop = 1;
} else if ( BV_CASEMATCH( lr->lr_vals+i, &BV_ADDCT )) {
new_entry = 1;
modop = LDAP_MOD_ADD;
} else if ( BV_CASEMATCH( lr->lr_vals+i, &BV_MODRDNCT )
|| BV_CASEMATCH( lr->lr_vals+i, &BV_MODDNCT )
|| BV_CASEMATCH( lr->lr_vals+i, &BV_RENAMECT ))
{
i++;
if ( i >= lr->lr_lines )
goto short_input;
if ( !BV_CASEMATCH( lr->lr_btype+i, &BV_NEWRDN )) {
fprintf( stderr, _("%s: expecting \"%s:\" but saw"
" \"%s:\" (line %lu, entry \"%s\")\n"),
errstr, BV_NEWRDN.bv_val, lr->lr_btype[i].bv_val, linenum+i, dn );
rc = LDAP_PARAM_ERROR;
goto leave;
}
lr->lrop_newrdn = lr->lr_vals[i];
i++;
if ( i >= lr->lr_lines )
goto short_input;
if ( !BV_CASEMATCH( lr->lr_btype+i, &BV_DELETEOLDRDN )) {
fprintf( stderr, _("%s: expecting \"%s:\" but saw"
" \"%s:\" (line %lu, entry \"%s\")\n"),
errstr, BV_DELETEOLDRDN.bv_val, lr->lr_btype[i].bv_val, linenum+i, dn );
rc = LDAP_PARAM_ERROR;
goto leave;
}
lr->lrop_delold = ( lr->lr_vals[i].bv_val[0] == '0' ) ? 0 : 1;
i++;
if ( i < lr->lr_lines ) {
if ( !BV_CASEMATCH( lr->lr_btype+i, &BV_NEWSUP )) {
fprintf( stderr, _("%s: expecting \"%s:\" but saw"
" \"%s:\" (line %lu, entry \"%s\")\n"),
errstr, BV_NEWSUP.bv_val, lr->lr_btype[i].bv_val, linenum+i, dn );
rc = LDAP_PARAM_ERROR;
goto leave;
}
lr->lrop_newsup = lr->lr_vals[i];
i++;
}
got_all = 1;
} else if ( BV_CASEMATCH( lr->lr_vals+i, &BV_DELETECT )) {
got_all = delete_entry = 1;
} else {
fprintf( stderr,
_("%s: unknown %s \"%s\" (line %lu, entry \"%s\")\n"),
errstr, BV_CHANGETYPE.bv_val, lr->lr_vals[i].bv_val, linenum+i, dn );
rc = LDAP_PARAM_ERROR;
goto leave;
}
i++;
} else if ( ldapadd ) { /* missing changetype => add */
new_entry = 1;
modop = LDAP_MOD_ADD;
} else {
/* if LDIF_ENTRIES_ONLY, then either the changetype must be add, or
there must be no changetype, and the flag LDIF_DEFAULT_ADD must be set */
if ( flags & LDIF_ENTRIES_ONLY ) {
ber_pvt_log_printf( LDAP_DEBUG_ANY, ldif_debug,
_("%s: skipping LDIF record beginning at line %lu: "
"no changetype found but entries only was requested and "
"the default setting for missing changetype is modify\n"),
errstr, linenum );
goto leave;
}
expect_modop = 1; /* missing changetype => modify */
}
if ( got_all ) {
if ( i < lr->lr_lines ) {
fprintf( stderr,
_("%s: extra lines at end (line %lu, entry \"%s\")\n"),
errstr, linenum+i, dn );
rc = LDAP_PARAM_ERROR;
goto leave;
}
goto doit;
}
nmods = lr->lr_lines - i;
idn = i;
if ( new_entry ) {
int fv;
/* Make sure all attributes with multiple values are contiguous */
for (; i<lr->lr_lines; i++) {
for (j=i+1; j<lr->lr_lines; j++) {
if ( !lr->lr_btype[j].bv_val ) {
fprintf( stderr,
_("%s: missing attributeDescription (line %lu, entry \"%s\")\n"),
errstr, linenum+j, dn );
rc = LDAP_PARAM_ERROR;
goto leave;
}
if ( BV_CASEMATCH( lr->lr_btype+i, lr->lr_btype+j )) {
nmods--;
/* out of order, move intervening attributes down */
if ( j != i+1 ) {
bv = lr->lr_vals[j];
fv = lr->lr_freeval[j];
for (k=j; k>i; k--) {
lr->lr_btype[k] = lr->lr_btype[k-1];
lr->lr_vals[k] = lr->lr_vals[k-1];
lr->lr_freeval[k] = lr->lr_freeval[k-1];
}
k++;
lr->lr_btype[k] = lr->lr_btype[i];
lr->lr_vals[k] = bv;
lr->lr_freeval[k] = fv;
}
i++;
}
}
}
/* Allocate space for array of mods, array of pointers to mods,
* and array of pointers to values, allowing for NULL terminators
* for the pointer arrays...
*/
lr->lr_lm = ber_memalloc_x( nmods * sizeof(LDAPMod) +
(nmods+1) * sizeof(LDAPMod*) +
(lr->lr_lines + nmods - idn) * sizeof(struct berval *), ctx );
pmods = (LDAPMod **)(lr->lr_lm+nmods);
bvl = (struct berval **)(pmods+nmods+1);
j = 0;
k = -1;
BER_BVZERO(&bv);
for (i=idn; i<lr->lr_lines; i++) {
if ( BV_CASEMATCH( lr->lr_btype+i, &BV_DN )) {
fprintf( stderr, _("%s: attributeDescription \"%s\":"
" (possible missing newline"
" after line %lu, entry \"%s\"?)\n"),
errstr, lr->lr_btype[i].bv_val, linenum+i - 1, dn );
}
if ( !BV_CASEMATCH( lr->lr_btype+i, &bv )) {
bvl[k++] = NULL;
bv = lr->lr_btype[i];
lr->lr_lm[j].mod_op = LDAP_MOD_ADD | LDAP_MOD_BVALUES;
lr->lr_lm[j].mod_type = bv.bv_val;
lr->lr_lm[j].mod_bvalues = bvl+k;
pmods[j] = lr->lr_lm+j;
j++;
}
bvl[k++] = lr->lr_vals+i;
}
bvl[k] = NULL;
pmods[j] = NULL;
goto doit;
}
lr->lr_mops = ber_memalloc_x( lr->lr_lines+1, ctx );
lr->lr_mops[lr->lr_lines] = M_SEP;
lr->lr_mops[i-1] = M_SEP;
for ( ; i<lr->lr_lines; i++ ) {
if ( expect_modop ) {
#ifdef LIBERAL_CHANGETYPE_MODOP
/* trim trailing spaces (and log warning ...) */
int icnt;
for ( icnt = lr->lr_vals[i].bv_len; --icnt > 0; ) {
if ( !isspace( (unsigned char) lr->lr_vals[i].bv_val[icnt] ) ) break;
}
if ( ++icnt != lr->lr_vals[i].bv_len ) {
fprintf( stderr, _("%s: illegal trailing space after"
" \"%s: %s\" trimmed (line %lu, entry \"%s\")\n"),
errstr, type, lr->lr_vals[i].bv_val, linenum+i, dn );
lr->lr_vals[i].bv_val[icnt] = '\0';
}
#endif /* LIBERAL_CHANGETYPE_MODOP */
expect_modop = 0;
expect_sep = 1;
if ( BV_CASEMATCH( lr->lr_btype+i, &BV_MODOPADD )) {
modop = LDAP_MOD_ADD;
lr->lr_mops[i] = M_SEP;
nmods--;
} else if ( BV_CASEMATCH( lr->lr_btype+i, &BV_MODOPREPLACE )) {
/* defer handling these since they might have no values.
* Use the BVALUES flag to signal that these were
* deferred. If values are provided later, this
* flag will be switched off.
*/
modop = LDAP_MOD_REPLACE;
lr->lr_mops[i] = modop | LDAP_MOD_BVALUES;
lr->lr_btype[i] = lr->lr_vals[i];
} else if ( BV_CASEMATCH( lr->lr_btype+i, &BV_MODOPDELETE )) {
modop = LDAP_MOD_DELETE;
lr->lr_mops[i] = modop | LDAP_MOD_BVALUES;
lr->lr_btype[i] = lr->lr_vals[i];
} else if ( BV_CASEMATCH( lr->lr_btype+i, &BV_MODOPINCREMENT )) {
modop = LDAP_MOD_INCREMENT;
lr->lr_mops[i] = M_SEP;
nmods--;
} else { /* no modify op: invalid LDIF */
fprintf( stderr, _("%s: modify operation type is missing at"
" line %lu, entry \"%s\"\n"),
errstr, linenum+i, dn );
rc = LDAP_PARAM_ERROR;
goto leave;
}
bv = lr->lr_vals[i];
} else if ( expect_sep && BER_BVISEMPTY( lr->lr_btype+i )) {
lr->lr_mops[i] = M_SEP;
expect_sep = 0;
expect_modop = 1;
nmods--;
} else {
if ( !BV_CASEMATCH( lr->lr_btype+i, &bv )) {
fprintf( stderr, _("%s: wrong attributeType at"
" line %lu, entry \"%s\"\n"),
errstr, linenum+i, dn );
rc = LDAP_PARAM_ERROR;
goto leave;
}
lr->lr_mops[i] = modop;
/* If prev op was deferred and matches this type,
* clear the flag
*/
if ( (lr->lr_mops[i-1] & LDAP_MOD_BVALUES)
&& BV_CASEMATCH( lr->lr_btype+i, lr->lr_btype+i-1 ))
{
lr->lr_mops[i-1] = M_SEP;
nmods--;
}
}
}
/* Allocate space for array of mods, array of pointers to mods,
* and array of pointers to values, allowing for NULL terminators
* for the pointer arrays...
*/
lr->lr_lm = ber_memalloc_x( nmods * sizeof(LDAPMod) +
(nmods+1) * sizeof(LDAPMod*) +
(lr->lr_lines + nmods - idn) * sizeof(struct berval *), ctx );
pmods = (LDAPMod **)(lr->lr_lm+nmods);
bvl = (struct berval **)(pmods+nmods+1);
j = 0;
k = -1;
BER_BVZERO(&bv);
lr->lr_mops[idn-1] = M_SEP;
for (i=idn; i<lr->lr_lines; i++) {
if ( lr->lr_mops[i] == M_SEP )
continue;
if ( lr->lr_mops[i] != lr->lr_mops[i-1] || !BV_CASEMATCH( lr->lr_btype+i, &bv )) {
bvl[k++] = NULL;
bv = lr->lr_btype[i];
lr->lr_lm[j].mod_op = lr->lr_mops[i] | LDAP_MOD_BVALUES;
lr->lr_lm[j].mod_type = bv.bv_val;
if ( lr->lr_mops[i] & LDAP_MOD_BVALUES ) {
lr->lr_lm[j].mod_bvalues = NULL;
} else {
lr->lr_lm[j].mod_bvalues = bvl+k;
}
pmods[j] = lr->lr_lm+j;
j++;
}
bvl[k++] = lr->lr_vals+i;
}
bvl[k] = NULL;
pmods[j] = NULL;
doit:
/* first, set the common fields */
lr->lr_ctrls = pctrls;
/* next, set the op */
if ( delete_entry ) {
lr->lr_op = LDAP_REQ_DELETE;
} else if ( lr->lrop_newrdn.bv_val != NULL ) {
lr->lr_op = LDAP_REQ_MODDN;
} else {
/* for now, either add or modify */
lr->lrop_mods = pmods;
if ( new_entry ) {
lr->lr_op = LDAP_REQ_ADD;
} else {
lr->lr_op = LDAP_REQ_MODIFY;
}
}
leave:
if ( rc != LDAP_SUCCESS ) {
ldap_ldif_record_done( lr );
}
return( rc );
}
/* Same as ldap_parse_ldif_record_x()
* public API does not expose memory context
*/
int
ldap_parse_ldif_record(
struct berval *rbuf,
unsigned long linenum,
LDIFRecord *lr,
const char *errstr,
unsigned int flags )
{
return ldap_parse_ldif_record_x( rbuf, linenum, lr, errstr, flags, NULL );
}
/* Parse an LDIF control line of the form
control: oid [true/false] [: value] or
control: oid [true/false] [:: base64-value] or
control: oid [true/false] [:< url]
The control is added to the list of controls in *ppctrls.
*/
static int
parse_ldif_control(
struct berval *bval,
LDAPControl ***ppctrls)
{
char *oid = NULL;
int criticality = 0; /* Default is false if not present */
int i, rc=0;
char *s, *oidStart;
LDAPControl *newctrl = NULL;
LDAPControl **pctrls = NULL;
struct berval type, bv = BER_BVNULL;
int freeval = 0;
if (ppctrls) pctrls = *ppctrls;
/* OID should come first. Validate and extract it. */
s = bval->bv_val;
if (*s == 0) return ( LDAP_PARAM_ERROR );
oidStart = s;
while (isdigit((unsigned char)*s) || *s == '.') {
s++; /* OID should be digits or . */
}
if (s == oidStart) {
return ( LDAP_PARAM_ERROR ); /* OID was not present */
}
if (*s) { /* End of OID should be space or NULL */
if (!isspace((unsigned char)*s)) {
return ( LDAP_PARAM_ERROR ); /* else OID contained invalid chars */
}
*s++ = 0; /* Replace space with null to terminate */
}
oid = ber_strdup(oidStart);
if (oid == NULL) return ( LDAP_NO_MEMORY );
/* Optional Criticality field is next. */
while (*s && isspace((unsigned char)*s)) {
s++; /* Skip white space before criticality */
}
if (strncasecmp(s, "true", 4) == 0) {
criticality = 1;
s += 4;
}
else if (strncasecmp(s, "false", 5) == 0) {
criticality = 0;
s += 5;
}
/* Optional value field is next */
while (*s && isspace((unsigned char)*s)) {
s++; /* Skip white space before value */
}
if (*s) {
if (*s != ':') { /* If value is present, must start with : */
rc = LDAP_PARAM_ERROR;
goto cleanup;
}
/* Back up so value is in the form
a: value
a:: base64-value
a:< url
Then we can use ldif_parse_line2 to extract and decode the value
*/
s--;
*s = 'a';
rc = ldif_parse_line2(s, &type, &bv, &freeval);
if (rc < 0) {
rc = LDAP_PARAM_ERROR;
goto cleanup;
}
}
/* Create a new LDAPControl structure. */
newctrl = (LDAPControl *)ber_memalloc(sizeof(LDAPControl));
if ( newctrl == NULL ) {
rc = LDAP_NO_MEMORY;
goto cleanup;
}
newctrl->ldctl_oid = oid;
oid = NULL;
newctrl->ldctl_iscritical = criticality;
if ( freeval )
newctrl->ldctl_value = bv;
else
ber_dupbv( &newctrl->ldctl_value, &bv );
/* Add the new control to the passed-in list of controls. */
i = 0;
if (pctrls) {
while ( pctrls[i] ) { /* Count the # of controls passed in */
i++;
}
}
/* Allocate 1 more slot for the new control and 1 for the NULL. */
pctrls = (LDAPControl **) ber_memrealloc(pctrls,
(i+2)*(sizeof(LDAPControl *)));
if (pctrls == NULL) {
rc = LDAP_NO_MEMORY;
goto cleanup;
}
pctrls[i] = newctrl;
newctrl = NULL;
pctrls[i+1] = NULL;
*ppctrls = pctrls;
cleanup:
if (newctrl) {
if (newctrl->ldctl_oid) ber_memfree(newctrl->ldctl_oid);
if (newctrl->ldctl_value.bv_val) {
ber_memfree(newctrl->ldctl_value.bv_val);
}
ber_memfree(newctrl);
}
if (oid) ber_memfree(oid);
return( rc );
}
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