Mike McCormack : advapi32: Implement and test SystemFunction030.

[Alexandre Julliard]

Module: wine
Branch: refs/heads/master
Commit: 546b84c0c56b8168560aeadae229c8972c1aa509
URL:    http://source.winehq.org/git/?p=wine.git;a=commit;h=546b84c0c56b8168560aeada...

Author: Mike McCormack <mike(a)codeweavers.com>
Date:   Sun Jun  4 19:40:54 2006 +0900

advapi32: Implement and test SystemFunction030.

---

 dlls/advapi32/advapi32.spec        |    2 +-
 dlls/advapi32/crypt.c              |   17 +++++++++++++
 dlls/advapi32/tests/crypt_lmhash.c |   48 +++++++++++++++++++++++++++++++++---
 3 files changed, 62 insertions(+), 5 deletions(-)

diff --git a/dlls/advapi32/advapi32.spec b/dlls/advapi32/advapi32.spec
index f783c6d..3b1828a 100644
--- a/dlls/advapi32/advapi32.spec
+++ b/dlls/advapi32/advapi32.spec
@@ -624,7 +624,7 @@ # @ stub StopTraceW
 @ stdcall SystemFunction027(ptr ptr ptr) SystemFunction025
 @ stub SystemFunction028
 @ stub SystemFunction029
-@ stub SystemFunction030
+@ stdcall SystemFunction030(ptr ptr)
 @ stub SystemFunction031
 @ stdcall SystemFunction032(ptr ptr)
 @ stub SystemFunction033
diff --git a/dlls/advapi32/crypt.c b/dlls/advapi32/crypt.c
index dae2343..7a258c4 100644
--- a/dlls/advapi32/crypt.c
+++ b/dlls/advapi32/crypt.c
@@ -1969,6 +1969,23 @@ BOOL WINAPI CryptVerifySignatureA (HCRYP
 /******************************************************************************
  * SystemFunction036   (ADVAPI32.@)
  *
+ * Tests if two blocks of 16 bytes are equal
+ *
+ * PARAMS
+ *  b1,b2   [I] block of 16 bytes
+ *
+ * RETURNS
+ *  TRUE  if blocks are the same
+ *  FALSE if blocks are different
+ */
+BOOL WINAPI SystemFunction030(PVOID b1, PVOID b2)
+{
+    return !memcmp(b1, b2, 0x10);
+}
+
+/******************************************************************************
+ * SystemFunction036   (ADVAPI32.@)
+ *
  * MSDN documents this function as RtlGenRandom and declares it in ntsecapi.h
  *
  * PARAMS
diff --git a/dlls/advapi32/tests/crypt_lmhash.c b/dlls/advapi32/tests/crypt_lmhash.c
index 79d5542..1618cf8 100644
--- a/dlls/advapi32/tests/crypt_lmhash.c
+++ b/dlls/advapi32/tests/crypt_lmhash.c
@@ -43,6 +43,7 @@ typedef VOID (WINAPI *fnSystemFunction00
 typedef NTSTATUS (WINAPI *fnSystemFunction008)(const LPBYTE, const LPBYTE, LPBYTE);
 typedef NTSTATUS (WINAPI *fnSystemFunction009)(const LPBYTE, const LPBYTE, LPBYTE);
 typedef int (WINAPI *descrypt)(unsigned char *, unsigned char *, unsigned char *);
+typedef NTSTATUS (WINAPI *fnSystemFunction030)(void*, void*);
 typedef NTSTATUS (WINAPI *fnSystemFunction032)(struct ustring *, struct ustring *);
 
 fnSystemFunction001 pSystemFunction001;
@@ -78,6 +79,7 @@ descrypt pSystemFunction025;
 descrypt pSystemFunction026;
 descrypt pSystemFunction027;
 
+fnSystemFunction030 pSystemFunction030;
 fnSystemFunction032 pSystemFunction032;
 
 static void test_SystemFunction006(void)
@@ -474,6 +476,40 @@ static void test_SystemFunction_dec32(de
     ok( !memcmp( output, des_plaintext, sizeof des_plaintext), "plaintext wrong (%d)\n", num);
 }
 
+static void test_SystemFunction030(void)
+{
+    unsigned char arg1[0x20], arg2[0x20];
+    int r;
+
+    /* r = pSystemFunction030(NULL, NULL); - crashes */
+
+    memset(arg1, 0, sizeof arg1);
+    memset(arg2, 0, sizeof arg2);
+    arg1[0x10] = 1;
+
+    r = pSystemFunction030(arg1, arg2);
+    ok( r == 1, "wrong error code\n");
+
+    memset(arg1, 1, sizeof arg1);
+    memset(arg2, 1, sizeof arg2);
+    arg1[0x10] = 0;
+
+    r = pSystemFunction030(arg1, arg2);
+    ok( r == 1, "wrong error code\n");
+
+    memset(arg1, 0, sizeof arg1);
+    memset(arg2, 1, sizeof arg2);
+
+    r = pSystemFunction030(arg1, arg2);
+    ok( r == 0, "wrong error code\n");
+
+    memset(arg1, 1, sizeof arg1);
+    memset(arg2, 0, sizeof arg2);
+
+    r = pSystemFunction030(arg1, arg2);
+    ok( r == 0, "wrong error code\n");
+}
+
 START_TEST(crypt_lmhash)
 {
     HMODULE module;
@@ -512,10 +548,6 @@ START_TEST(crypt_lmhash)
     if (pSystemFunction009)
         test_SystemFunction009();
 
-    pSystemFunction032 = (fnSystemFunction032)GetProcAddress( module, "SystemFunction032" );
-    if (pSystemFunction032)
-        test_SystemFunction032();
-
     pSystemFunction012 = (descrypt) GetProcAddress( module, "SystemFunction012");
     pSystemFunction013 = (descrypt) GetProcAddress( module, "SystemFunction013");
     pSystemFunction014 = (descrypt) GetProcAddress( module, "SystemFunction014");
@@ -557,4 +589,12 @@ START_TEST(crypt_lmhash)
     /* these descrypt two DES blocks with a short key */
     test_SystemFunction_dec32(pSystemFunction025, 25);
     test_SystemFunction_dec32(pSystemFunction027, 27);
+
+    pSystemFunction030 = (fnSystemFunction030)GetProcAddress( module, "SystemFunction030" );
+    if (pSystemFunction030)
+        test_SystemFunction030();
+
+    pSystemFunction032 = (fnSystemFunction032)GetProcAddress( module, "SystemFunction032" );
+    if (pSystemFunction032)
+        test_SystemFunction032();
 }