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honor the ber_len field to allow to exploit ldap_bv2[r]dn to handle DNs embedded in longer strings ...

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This commit is contained in:
Pierangelo Masarati 2002-02-13 12:09:36 +00:00
parent a117c5eee7
commit 33d5f0f8f8
2 changed files with 9 additions and 13 deletions
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7
libraries/libldap/getdn.c
View File

@ -621,6 +621,7 @@ ldap_bv2dn( struct berval *bv, LDAPDN **dn, unsigned flags )
LDAPRDN *newRDN = NULL, *tmpDN_[TMP_RDN_SLOTS], **tmpDN = tmpDN_;
int num_slots = TMP_RDN_SLOTS;
char *str = bv->bv_val;
char *end = str + bv->bv_len;
assert( bv );
assert( bv->bv_val );
@ -679,7 +680,7 @@ ldap_bv2dn( struct berval *bv, LDAPDN **dn, unsigned flags )
#endif
}
for ( ; p[ 0 ]; p++ ) {
for ( ; p < end; p++ ) {
int err;
struct berval tmpbv = { bv->bv_len - ( p - str ), (char *)p };
@ -691,7 +692,7 @@ ldap_bv2dn( struct berval *bv, LDAPDN **dn, unsigned flags )
/*
* We expect a rdn separator
*/
if ( p[ 0 ] ) {
if ( p < end && p[ 0 ] ) {
switch ( LDAP_DN_FORMAT( flags ) ) {
case LDAP_DN_FORMAT_LDAPV3:
if ( !LDAP_DN_RDN_SEP( p[ 0 ] ) ) {
@ -747,7 +748,7 @@ ldap_bv2dn( struct berval *bv, LDAPDN **dn, unsigned flags )
num_slots *= 2;
}
if ( p[ 0 ] == '\0' ) {
if ( p >= end || p[ 0 ] == '\0' ) {
/*
* the DN is over, phew
*/

15
servers/slapd/acl.c
View File

@ -1348,22 +1348,18 @@ aci_match_set (
/* format of string is "entry/setAttrName" */
if (aci_get_part(subj, 0, '/', &subjdn) < 0) {
return(0);
} else {
/* FIXME: If dnNormalize was based on ldap_bv2dn
* instead of ldap_str2dn and would honor the bv_len
* we could skip this step and not worry about the
* unterminated string.
*/
char *s = ch_malloc(subjdn.bv_len + 1);
AC_MEMCPY(s, subjdn.bv_val, subjdn.bv_len);
subjdn.bv_val = s;
}
if ( aci_get_part(subj, 1, '/', &setat) < 0 ) {
setat.bv_val = SLAPD_ACI_SET_ATTR;
setat.bv_len = sizeof(SLAPD_ACI_SET_ATTR)-1;
}
if ( setat.bv_val != NULL ) {
/*
* NOTE: dnNormalize2 honors the ber_len field
* as the length of the dn to be normalized
*/
if ( dnNormalize2(NULL, &subjdn, &ndn) == LDAP_SUCCESS
&& slap_bv2ad(&setat, &desc, &text) == LDAP_SUCCESS )
{
@ -1384,7 +1380,6 @@ aci_match_set (
if (ndn.bv_val)
free(ndn.bv_val);
}
ch_free(subjdn.bv_val);
}
if (set.bv_val != NULL) {