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authorAndrew Tridgell <tridge@samba.org>2003-06-16 02:42:00 +0000
committerAndrew Tridgell <tridge@samba.org>2003-06-16 02:42:00 +0000
commitec0303820fa5ec185f8942604ef3d97285374988 (patch)
tree01fb88edeb07600eeb2e2074909fbf34ef8c0d06 /source3
parent8cd67d76683a41a1db5efc3a9c65e056ec2263f4 (diff)
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we need to call ads_first_entry() before using a ldap result,
otherwise we can segv or return garbage (This used to be commit d1316656b03e2bc85263b65d24977923ee6f39b7)
Diffstat (limited to 'source3')
-rw-r--r--source3/libads/ldap.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/source3/libads/ldap.c b/source3/libads/ldap.c
index c685ed53abe..0a59c4eb8f4 100644
--- a/source3/libads/ldap.c
+++ b/source3/libads/ldap.c
@@ -749,14 +749,15 @@ void ads_memfree(ADS_STRUCT *ads, void *mem)
/**
* Get a dn from search results
* @param ads connection to ads server
- * @param res Search results
+ * @param msg Search result
* @return dn string
**/
-char *ads_get_dn(ADS_STRUCT *ads, void *res)
+char *ads_get_dn(ADS_STRUCT *ads, void *msg)
{
char *utf8_dn, *unix_dn;
- utf8_dn = ldap_get_dn(ads->ld, res);
+ utf8_dn = ldap_get_dn(ads->ld, msg);
+
pull_utf8_allocate((void **) &unix_dn, utf8_dn);
ldap_memfree(utf8_dn);
return unix_dn;
@@ -1078,6 +1079,7 @@ static ADS_STATUS ads_add_machine_acct(ADS_STRUCT *ads, const char *hostname,
#ifndef ENCTYPE_ARCFOUR_HMAC
acct_control |= UF_USE_DES_KEY_ONLY;
#endif
+
if (!(controlstr = talloc_asprintf(ctx, "%u", acct_control)))
goto done;
@@ -1384,7 +1386,7 @@ ADS_STATUS ads_join_realm(ADS_STRUCT *ads, const char *hostname,
ADS_STATUS ads_leave_realm(ADS_STRUCT *ads, const char *hostname)
{
ADS_STATUS status;
- void *res;
+ void *res, *msg;
char *hostnameDN, *host;
int rc;
@@ -1398,7 +1400,12 @@ ADS_STATUS ads_leave_realm(ADS_STRUCT *ads, const char *hostname)
return status;
}
- hostnameDN = ads_get_dn(ads, (LDAPMessage *)res);
+ msg = ads_first_entry(ads, res);
+ if (!msg) {
+ return ADS_ERROR_SYSTEM(ENOENT);
+ }
+
+ hostnameDN = ads_get_dn(ads, (LDAPMessage *)msg);
rc = ldap_delete_s(ads->ld, hostnameDN);
ads_memfree(ads, hostnameDN);
if (rc != LDAP_SUCCESS) {