Zebediah Figura : ntdll: Always return at least sizeof(PRIVILEGE_SET) in NtAccessCheck().
Module: wine Branch: master Commit: bdc10c65ca8cac6881422b95997dcee8c2b96194 URL: https://source.winehq.org/git/wine.git/?a=commit;h=bdc10c65ca8cac6881422b959... Author: Zebediah Figura <z.figura12(a)gmail.com> Date: Sun Feb 7 19:50:09 2021 -0600 ntdll: Always return at least sizeof(PRIVILEGE_SET) in NtAccessCheck(). Signed-off-by: Zebediah Figura <z.figura12(a)gmail.com> Signed-off-by: Alexandre Julliard <julliard(a)winehq.org> --- dlls/advapi32/tests/security.c | 10 ++-------- dlls/ntdll/unix/security.c | 2 +- 2 files changed, 3 insertions(+), 9 deletions(-) diff --git a/dlls/advapi32/tests/security.c b/dlls/advapi32/tests/security.c index faab2bd32d7..239c9d3caff 100644 --- a/dlls/advapi32/tests/security.c +++ b/dlls/advapi32/tests/security.c @@ -1374,7 +1374,7 @@ static void test_AccessCheck(void) "NtAccessCheck shouldn't set last error, got %d\n", err); todo_wine ok(Access == 0x1abe11ed && ntAccessStatus == 0x1abe11ed, "Access and/or AccessStatus were changed!\n"); - todo_wine ok(ntPrivSetLen == sizeof(PRIVILEGE_SET), "PrivSetLen returns %d\n", ntPrivSetLen); + ok(ntPrivSetLen == sizeof(PRIVILEGE_SET), "PrivSetLen returns %d\n", ntPrivSetLen); /* Key access mask - insufficient returnlength */ SetLastError(0xdeadbeef); @@ -1389,7 +1389,7 @@ static void test_AccessCheck(void) "NtAccessCheck shouldn't set last error, got %d\n", err); todo_wine ok(Access == 0x1abe11ed && ntAccessStatus == 0x1abe11ed, "Access and/or AccessStatus were changed!\n"); - todo_wine ok(ntPrivSetLen == sizeof(PRIVILEGE_SET), "PrivSetLen returns %d\n", ntPrivSetLen); + ok(ntPrivSetLen == sizeof(PRIVILEGE_SET), "PrivSetLen returns %d\n", ntPrivSetLen); } else win_skip("NtAccessCheck unavailable. Skipping.\n"); @@ -1520,7 +1520,6 @@ todo_wine todo_wine ok(!ret && err == ERROR_INSUFFICIENT_BUFFER, "AccessCheck should have " "failed with ERROR_INSUFFICIENT_BUFFER, instead of %d\n", err); -todo_wine ok(PrivSetLen == sizeof(PRIVILEGE_SET), "PrivSetLen returns %d\n", PrivSetLen); todo_wine ok(Access == 0x1abe11ed && AccessStatus == 0x1abe11ed, @@ -1536,7 +1535,6 @@ todo_wine todo_wine ok(!ret && err == ERROR_INSUFFICIENT_BUFFER, "AccessCheck should have " "failed with ERROR_INSUFFICIENT_BUFFER, instead of %d\n", err); -todo_wine ok(PrivSetLen == sizeof(PRIVILEGE_SET), "PrivSetLen returns %d\n", PrivSetLen); todo_wine ok(Access == 0x1abe11ed && AccessStatus == 0x1abe11ed, @@ -1552,7 +1550,6 @@ todo_wine todo_wine ok(!ret && err == ERROR_INSUFFICIENT_BUFFER, "AccessCheck should have " "failed with ERROR_INSUFFICIENT_BUFFER, instead of %d\n", err); -todo_wine ok(PrivSetLen == sizeof(PRIVILEGE_SET), "PrivSetLen returns %d\n", PrivSetLen); todo_wine ok(Access == 0x1abe11ed && AccessStatus == 0x1abe11ed, @@ -1567,7 +1564,6 @@ todo_wine PrivSet, &PrivSetLen, &Access, &AccessStatus); err = GetLastError(); ok(ret, "AccessCheck failed with error %d\n", GetLastError()); -todo_wine ok(PrivSetLen == sizeof(PRIVILEGE_SET), "PrivSetLen returns %d\n", PrivSetLen); ok(AccessStatus && (Access == KEY_READ), "AccessCheck failed to grant access with error %d\n", GetLastError()); @@ -1637,7 +1633,6 @@ todo_wine todo_wine ok(!ret && err == ERROR_INSUFFICIENT_BUFFER, "AccessCheck should have " "failed with ERROR_INSUFFICIENT_BUFFER, instead of %d\n", err); - todo_wine ok(PrivSetLen == sizeof(PRIVILEGE_SET), "PrivSetLen returns %d\n", PrivSetLen); todo_wine ok(Access == 0x1abe11ed && AccessStatus == 0x1abe11ed, @@ -1653,7 +1648,6 @@ todo_wine todo_wine ok(!ret && err == ERROR_INSUFFICIENT_BUFFER, "AccessCheck should have " "failed with ERROR_INSUFFICIENT_BUFFER, instead of %d\n", err); - todo_wine ok(PrivSetLen == sizeof(PRIVILEGE_SET), "PrivSetLen returns %d\n", PrivSetLen); todo_wine ok(Access == 0x1abe11ed && AccessStatus == 0x1abe11ed, diff --git a/dlls/ntdll/unix/security.c b/dlls/ntdll/unix/security.c index 6f945b24e68..8a5b1515ba9 100644 --- a/dlls/ntdll/unix/security.c +++ b/dlls/ntdll/unix/security.c @@ -732,7 +732,7 @@ NTSTATUS WINAPI NtAccessCheck( PSECURITY_DESCRIPTOR descr, HANDLE token, ACCESS_ status = wine_server_call( req ); - *retlen = offsetof( PRIVILEGE_SET, Privilege ) + reply->privileges_len; + *retlen = max( offsetof( PRIVILEGE_SET, Privilege ) + reply->privileges_len, sizeof(PRIVILEGE_SET) ); privs->PrivilegeCount = reply->privileges_len / sizeof(LUID_AND_ATTRIBUTES); if (status == STATUS_SUCCESS) {
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Alexandre Julliard