Alex Henrie : wldap32: Allow LDAP_OPT_REFERRALS to be set from a pointer.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 42d0fa8b1329082a2d3efc4ec0889637b97fc84f
URL:    https://gitlab.winehq.org/wine/wine/-/commit/42d0fa8b1329082a2d3efc4ec088963...

Author: Alex Henrie <alexhenrie24(a)gmail.com>
Date:   Sun Apr  2 21:41:27 2023 -0600

wldap32: Allow LDAP_OPT_REFERRALS to be set from a pointer.

---

 dlls/wldap32/option.c          | 23 +++++++++++++++++++++--
 dlls/wldap32/tests/parse.c     | 27 ++++++++++++++++++---------
 dlls/wldap32/winldap_private.h |  3 +++
 3 files changed, 42 insertions(+), 11 deletions(-)

diff --git a/dlls/wldap32/option.c b/dlls/wldap32/option.c
index 38398c6d46c..b64b544d1ed 100644
--- a/dlls/wldap32/option.c
+++ b/dlls/wldap32/option.c
@@ -431,12 +431,31 @@ ULONG CDECL ldap_set_optionW( LDAP *ld, int option, void *value )
     }
     case WLDAP32_LDAP_OPT_REFERRALS:
     {
-        if (value == WLDAP32_LDAP_OPT_OFF) value = LDAP_OPT_OFF;
-        else if (value != WLDAP32_LDAP_OPT_ON)
+        if (value == WLDAP32_LDAP_OPT_ON)
+            value = LDAP_OPT_ON;
+        else if (value == WLDAP32_LDAP_OPT_OFF)
+            value = LDAP_OPT_OFF;
+        else if (value == (void *)LDAP_CHASE_SUBORDINATE_REFERRALS ||
+                 value == (void *)LDAP_CHASE_EXTERNAL_REFERRALS ||
+                 value == (void *)(LDAP_CHASE_SUBORDINATE_REFERRALS|LDAP_CHASE_EXTERNAL_REFERRALS))
         {
             FIXME( "upgrading referral value %p to LDAP_OPT_ON (OpenLDAP lacks sufficient granularity)\n", value );
             value = LDAP_OPT_ON;
         }
+        else if (*(ULONG *)value == 1)
+            value = LDAP_OPT_ON;
+        else if (*(ULONG *)value == 0)
+            value = LDAP_OPT_OFF;
+        else if (*(ULONG *)value == LDAP_CHASE_SUBORDINATE_REFERRALS ||
+                 *(ULONG *)value == LDAP_CHASE_EXTERNAL_REFERRALS ||
+                 *(ULONG *)value == (LDAP_CHASE_SUBORDINATE_REFERRALS|LDAP_CHASE_EXTERNAL_REFERRALS))
+        {
+            FIXME( "upgrading referral value 0x%lx to LDAP_OPT_ON (OpenLDAP lacks sufficient granularity)\n", *(ULONG *)value );
+            value = LDAP_OPT_ON;
+        }
+        else
+            return WLDAP32_LDAP_PARAM_ERROR;
+
         return map_error( ldap_set_option( CTX(ld), option, value ) );
     }
     case WLDAP32_LDAP_OPT_REFERRAL_HOP_LIMIT:
diff --git a/dlls/wldap32/tests/parse.c b/dlls/wldap32/tests/parse.c
index d29cbfdd1b8..15a24716305 100644
--- a/dlls/wldap32/tests/parse.c
+++ b/dlls/wldap32/tests/parse.c
@@ -116,20 +116,29 @@ static void test_ldap_search_extW( LDAP *ld )
 
 static void test_opt_referrals( LDAP *ld )
 {
-    ULONG ret, oldvalue;
+    ULONG ret, value;
 
-    ret = ldap_get_optionW( ld, LDAP_OPT_REFERRALS, &oldvalue );
-    if (ret == LDAP_SERVER_DOWN || ret == LDAP_UNAVAILABLE)
-    {
-        skip("test server can't be reached\n");
-        return;
-    }
+    value = 0xdeadbeef;
+    ret = ldap_get_optionW( ld, LDAP_OPT_REFERRALS, &value );
+    ok( !ret, "ldap_get_optionW failed %#lx\n", ret );
+    todo_wine ok( value == 1, "got %lu\n", value );
 
-    ret = ldap_set_optionW( ld, LDAP_OPT_REFERRALS, LDAP_OPT_OFF );
+    value = 0;
+    ret = ldap_set_optionW( ld, LDAP_OPT_REFERRALS, (void *)&value );
     ok( !ret, "ldap_set_optionW failed %#lx\n", ret );
 
-    ret = ldap_set_optionW( ld, LDAP_OPT_REFERRALS, (void *)&oldvalue );
+    value = 0xdeadbeef;
+    ret = ldap_get_optionW( ld, LDAP_OPT_REFERRALS, &value );
+    ok( !ret, "ldap_get_optionW failed %#lx\n", ret );
+    ok( !value, "got %lu\n", value );
+
+    ret = ldap_set_optionW( ld, LDAP_OPT_REFERRALS, LDAP_OPT_ON );
     ok( !ret, "ldap_set_optionW failed %#lx\n", ret );
+
+    value = 0xdeadbeef;
+    ret = ldap_get_optionW( ld, LDAP_OPT_REFERRALS, &value );
+    ok( !ret, "ldap_get_optionW failed %#lx\n", ret );
+    todo_wine ok( value == 1, "got %lu\n", value );
 }
 
 static void test_opt_protocol_version( LDAP *ld )
diff --git a/dlls/wldap32/winldap_private.h b/dlls/wldap32/winldap_private.h
index 249af99e51e..a4f2caf7772 100644
--- a/dlls/wldap32/winldap_private.h
+++ b/dlls/wldap32/winldap_private.h
@@ -168,6 +168,9 @@ typedef enum {
 #define WLDAP32_LDAP_VERSION3   3
 #define WLDAP32_LDAP_VERSION    WLDAP32_LDAP_VERSION2
 
+#define LDAP_CHASE_SUBORDINATE_REFERRALS    0x20
+#define LDAP_CHASE_EXTERNAL_REFERRALS       0x40
+
 #define WLDAP32_LDAP_AUTH_SIMPLE        0x80
 #define WLDAP32_LDAP_AUTH_SASL          0x83
 #define WLDAP32_LDAP_AUTH_OTHERKIND     0x86