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ldap_modify (ITS#238)
Full_Name: Howard B Young
Version: 1.2.4
OS: solaris 2.6
URL: ftp://ftp.openldap.org/incoming/
Submission from: (NULL) (141.211.164.66)
Hello;
Starting with 1.2.4, a call to ldap_modify that contains a LDAPMod with a
LDAP_MOD_DELETE request that tries to delete an attribute by passing a NULL
mod_values or mod_bvalues causes the server to die with a segmentation error.
Looks like the routine index_change_values in server/slapd/back-ldbm/index.c
successfully performs an ldbm_cache_open and looks for attibutes to be deleted
by
means of a for loop that starts
for (i = 0; vals[i] != NULL; i++) {
without checking for the possibilty that vals itself is NULL. Changing the line
to
for (i = 0; (vals != NULL) && (vals[i] !=NULL); i++) {
corrects the problem.