[PATCH v2 0/3] MR3462: Some fixes for ldap memory leaks

[Sven Baars (＠sbaars)]

I'm not really sure if the last patch is the right way to fix the issue since I couldn't find where tls_w.c originates from.

--
  v2: ldap: Free the output buffer after every InitializeSecurityContextA() call (Valgrind).
      wldap32: Fix a message leak in ldap_parse_resultW() (Valgrind).

https://gitlab.winehq.org/wine/wine/-/merge_requests/3462

[PATCH v2 1/3] wldap32: Fix a mod_type leak (Valgrind).

[Sven Baars]

From: Sven Baars

---
 dlls/wldap32/winldap_private.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/dlls/wldap32/winldap_private.h b/dlls/wldap32/winldap_private.h
index e834f9d4e6f..ce9a7cc3fa8 100644
--- a/dlls/wldap32/winldap_private.h
+++ b/dlls/wldap32/winldap_private.h
@@ -868,6 +868,7 @@ static inline void modfreeU( LDAPMod *mod )
         bvarrayfreeU( mod->mod_vals.modv_bvals );
     else
         strarrayfreeU( mod->mod_vals.modv_strvals );
+    free( mod->mod_type );
     free( mod );
 }

@@ -1010,6 +1011,7 @@ static inline void modfreeW( LDAPModW *mod )
         bvarrayfreeW( mod->mod_vals.modv_bvals );
     else
         strarrayfreeW( mod->mod_vals.modv_strvals );
+    free( mod->mod_type );
     free( mod );
 }

[PATCH v2 2/3] wldap32: Fix a message leak in ldap_parse_resultW() (Valgrind).

[Sven Baars]

From: Sven Baars

---
 dlls/wldap32/parse.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/dlls/wldap32/parse.c b/dlls/wldap32/parse.c
index 26e8de14c85..9eff55e4f0e 100644
--- a/dlls/wldap32/parse.c
+++ b/dlls/wldap32/parse.c
@@ -188,6 +188,7 @@ ULONG CDECL ldap_parse_resultW( LDAP *ld, WLDAP32_LDAPMessage *result, ULONG *re
     if (referrals) *referrals = strarrayUtoW( referralsU );
     if (serverctrls) *serverctrls = controlarrayUtoW( serverctrlsU );

+    if (free) ldap_msgfree( result );
     ldap_memfree( matchedU );
     ldap_memfree( errorU );
     ldap_memfree( referralsU );

[PATCH v2 3/3] ldap: Free the output buffer after every InitializeSecurityContextA() call (Valgrind).

[Sven Baars]

From: Sven Baars

---
 libs/ldap/libldap/tls_w.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libs/ldap/libldap/tls_w.c b/libs/ldap/libldap/tls_w.c
index c798d4249c0..e9101f87b97 100644
--- a/libs/ldap/libldap/tls_w.c
+++ b/libs/ldap/libldap/tls_w.c
@@ -228,7 +228,9 @@ tlsw_session_connect( LDAP *ld, tls_session *session, const char *name_in )
    		expected -= size;
    	}

-		out_bufs[0].cbBuffer = max_token;
+		FreeContextBuffer( out_bufs[0].pvBuffer);
+		out_bufs[0].pvBuffer = NULL;
+
    	status = InitializeSecurityContextA( &s->cred_handle, &s->ctxt_handle, (SEC_CHAR *)name_in,
    		flags, 0, 0, &in_buf_desc, 0, NULL, &out_buf_desc, &attrs, NULL );
    	if ( status == SEC_E_INCOMPLETE_MESSAGE ) {