ReactOS 0.4.15-dev-7842-g558ab78
RtlFirstFreeAce.c File Reference
#include "precomp.h"
Include dependency graph for RtlFirstFreeAce.c:

Go to the source code of this file.

Functions

static PACL MakeAcl (_In_ ULONG AceCount,...)
 
 START_TEST (RtlFirstFreeAce)
 

Function Documentation

◆ MakeAcl()

static PACL MakeAcl ( _In_ ULONG  AceCount,
  ... 
)
static

Definition at line 12 of file RtlFirstFreeAce.c.

15{
16 PACL Acl;
17 PACE_HEADER AceHeader;
18 ULONG AclSize;
19 ULONG AceSizes[10];
20 ULONG i;
22
23 ASSERT(AceCount <= RTL_NUMBER_OF(AceSizes));
24 AclSize = sizeof(ACL);
25 va_start(Args, AceCount);
26 for (i = 0; i < AceCount; i++)
27 {
28 AceSizes[i] = va_arg(Args, int);
29 AclSize += AceSizes[i];
30 }
31 va_end(Args);
32
33 Acl = AllocateGuarded(AclSize);
34 if (!Acl)
35 {
36 skip("Failed to allocate %lu bytes\n", AclSize);
37 return NULL;
38 }
39
41 Acl->Sbz1 = 0;
42 Acl->AclSize = AclSize;
43 Acl->AceCount = AceCount;
44 Acl->Sbz2 = 0;
45
46 AceHeader = (PACE_HEADER)(Acl + 1);
47 for (i = 0; i < AceCount; i++)
48 {
49 AceHeader->AceType = 0;
50 AceHeader->AceFlags = 0;
51 AceHeader->AceSize = AceSizes[i];
52 AceHeader = (PACE_HEADER)((PCHAR)AceHeader + AceHeader->AceSize);
53 }
54
55 return Acl;
56}
#define RTL_NUMBER_OF(x)
Definition: RtlRegistry.c:12
char ** Args
Definition: acdebug.h:353
char * va_list
Definition: acmsvcex.h:78
#define va_end(ap)
Definition: acmsvcex.h:90
#define va_start(ap, A)
Definition: acmsvcex.h:91
#define va_arg(ap, T)
Definition: acmsvcex.h:89
static PVOID AllocateGuarded(_In_ SIZE_T SizeRequested)
Definition: apitest_guard.h:10
#define skip(...)
Definition: atltest.h:64
#define NULL
Definition: types.h:112
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
#define ASSERT(a)
Definition: mode.c:44
struct _ACL ACL
struct _ACE_HEADER * PACE_HEADER
USHORT AceSize
Definition: ms-dtyp.idl:212
UCHAR AceFlags
Definition: ms-dtyp.idl:211
UCHAR AceType
Definition: ms-dtyp.idl:210
USHORT Sbz2
Definition: ms-dtyp.idl:298
UCHAR Sbz1
Definition: ms-dtyp.idl:295
USHORT AceCount
Definition: ms-dtyp.idl:297
USHORT AclSize
Definition: ms-dtyp.idl:296
UCHAR AclRevision
Definition: ms-dtyp.idl:294
uint32_t ULONG
Definition: typedefs.h:59
char * PCHAR
Definition: typedefs.h:51
#define ACL_REVISION
Definition: setypes.h:39

Referenced by START_TEST().

◆ START_TEST()

START_TEST ( RtlFirstFreeAce  )

Definition at line 58 of file RtlFirstFreeAce.c.

59{
60 PACL Acl;
61 PACE FirstAce;
63
64 Acl = MakeAcl(0);
65 if (Acl)
66 {
67 /* Simple empty ACL */
68 FirstAce = InvalidPointer;
69 Found = RtlFirstFreeAce(Acl, &FirstAce);
70 ok(Found == TRUE, "Found = %u\n", Found);
71 ok(FirstAce == (PACE)(Acl + 1), "FirstAce = %p (Acl was %p)\n", FirstAce, Acl);
72
73 /* Not enough space */
74 Acl->AclSize = sizeof(ACL) - 1;
75 FirstAce = InvalidPointer;
76 Found = RtlFirstFreeAce(Acl, &FirstAce);
77 ok(Found == TRUE, "Found = %u\n", Found);
78 ok(FirstAce == NULL, "FirstAce = %p (Acl was %p)\n", FirstAce, Acl);
79
80 /* Invalid values for all the other fields */
81 Acl->AclRevision = 76;
82 Acl->Sbz1 = 0x55;
83 Acl->AclSize = sizeof(ACL);
84 Acl->Sbz2 = 0x55;
85 FirstAce = InvalidPointer;
86 Found = RtlFirstFreeAce(Acl, &FirstAce);
87 ok(Found == TRUE, "Found = %u\n", Found);
88 ok(FirstAce == (PACE)(Acl + 1), "FirstAce = %p (Acl was %p)\n", FirstAce, Acl);
89
90 FreeGuarded(Acl);
91 }
92
93 Acl = MakeAcl(1, (int)sizeof(ACE_HEADER));
94 if (Acl)
95 {
96 /* ACL with one ACE */
97 FirstAce = InvalidPointer;
98 Found = RtlFirstFreeAce(Acl, &FirstAce);
99 ok(Found == TRUE, "Found = %u\n", Found);
100 ok(FirstAce == (PACE)((PACE_HEADER)(Acl + 1) + 1), "FirstAce = %p (Acl was %p)\n", FirstAce, Acl);
101
102 /* The one ACE doesn't actually fit */
103 Acl->AclSize = sizeof(ACL);
104 FirstAce = InvalidPointer;
105 Found = RtlFirstFreeAce(Acl, &FirstAce);
106 ok(Found == FALSE, "Found = %u\n", Found);
107 ok(FirstAce == NULL, "FirstAce = %p (Acl was %p)\n", FirstAce, Acl);
108
109 /* Only the first byte fits */
110 Acl->AclSize = sizeof(ACL) + 1;
111 FirstAce = InvalidPointer;
112 Found = RtlFirstFreeAce(Acl, &FirstAce);
113 ok(Found == TRUE, "Found = %u\n", Found);
114 ok(FirstAce == NULL, "FirstAce = %p (Acl was %p)\n", FirstAce, Acl);
115
116 /* Until we cover the whole size we get NULL */
117 Acl->AclSize = sizeof(ACL) + sizeof(ACE_HEADER) - 1;
118 FirstAce = InvalidPointer;
119 Found = RtlFirstFreeAce(Acl, &FirstAce);
120 ok(Found == TRUE, "Found = %u\n", Found);
121 ok(FirstAce == NULL, "FirstAce = %p (Acl was %p)\n", FirstAce, Acl);
122
123 FreeGuarded(Acl);
124 }
125
126 /* Same but bigger */
127 Acl = MakeAcl(1, (int)sizeof(ACE_HEADER) + 4);
128 if (Acl)
129 {
130 /* ACL with one ACE */
131 FirstAce = InvalidPointer;
132 Found = RtlFirstFreeAce(Acl, &FirstAce);
133 ok(Found == TRUE, "Found = %u\n", Found);
134 ok(FirstAce == (PACE)((PCHAR)(Acl + 1) + sizeof(ACE_HEADER) + 4), "FirstAce = %p (Acl was %p)\n", FirstAce, Acl);
135
136 /* The one ACE doesn't actually fit */
137 Acl->AclSize = sizeof(ACL);
138 FirstAce = InvalidPointer;
139 Found = RtlFirstFreeAce(Acl, &FirstAce);
140 ok(Found == FALSE, "Found = %u\n", Found);
141 ok(FirstAce == NULL, "FirstAce = %p (Acl was %p)\n", FirstAce, Acl);
142
143 /* Only the first byte fits */
144 Acl->AclSize = sizeof(ACL) + 1;
145 FirstAce = InvalidPointer;
146 Found = RtlFirstFreeAce(Acl, &FirstAce);
147 ok(Found == TRUE, "Found = %u\n", Found);
148 ok(FirstAce == NULL, "FirstAce = %p (Acl was %p)\n", FirstAce, Acl);
149
150 /* Until we cover the whole size we get NULL */
151 Acl->AclSize = sizeof(ACL) + sizeof(ACE_HEADER) - 3;
152 FirstAce = InvalidPointer;
153 Found = RtlFirstFreeAce(Acl, &FirstAce);
154 ok(Found == TRUE, "Found = %u\n", Found);
155 ok(FirstAce == NULL, "FirstAce = %p (Acl was %p)\n", FirstAce, Acl);
156
157 FreeGuarded(Acl);
158 }
159
160 Acl = MakeAcl(4, (int)sizeof(ACE_HEADER), (int)sizeof(ACE_HEADER), (int)sizeof(ACCESS_ALLOWED_ACE), (int)sizeof(ACCESS_ALLOWED_ACE));
161 if (Acl)
162 {
163 /* ACL with one ACE */
164 FirstAce = InvalidPointer;
165 Found = RtlFirstFreeAce(Acl, &FirstAce);
166 ok(Found == TRUE, "Found = %u\n", Found);
167 ok(FirstAce == (PACE)((PCHAR)(Acl + 1) + 2 * sizeof(ACE_HEADER) + 2 * sizeof(ACCESS_ALLOWED_ACE)), "FirstAce = %p (Acl was %p)\n", FirstAce, Acl);
168
169 /* One less gives us NULL */
170 Acl->AclSize = sizeof(ACL) + 2 * sizeof(ACE_HEADER) + 2 * sizeof(ACCESS_ALLOWED_ACE) - 1;
171 FirstAce = InvalidPointer;
172 Found = RtlFirstFreeAce(Acl, &FirstAce);
173 ok(Found == TRUE, "Found = %u\n", Found);
174 ok(FirstAce == NULL, "FirstAce = %p (Acl was %p)\n", FirstAce, Acl);
175
176 /* One ACE less also gives us FALSE */
177 Acl->AclSize = sizeof(ACL) + 2 * sizeof(ACE_HEADER) + sizeof(ACCESS_ALLOWED_ACE);
178 FirstAce = InvalidPointer;
179 Found = RtlFirstFreeAce(Acl, &FirstAce);
180 ok(Found == FALSE, "Found = %u\n", Found);
181 ok(FirstAce == NULL, "FirstAce = %p (Acl was %p)\n", FirstAce, Acl);
182
183 FreeGuarded(Acl);
184 }
185}
unsigned char BOOLEAN
static PACL MakeAcl(_In_ ULONG AceCount,...)
#define InvalidPointer
static VOID FreeGuarded(_In_ PVOID Pointer)
Definition: apitest_guard.h:45
#define ok(value,...)
Definition: atltest.h:57
return Found
Definition: dirsup.c:1270
#define TRUE
Definition: types.h:120
#define FALSE
Definition: types.h:117
struct _ACCESS_ALLOWED_ACE ACCESS_ALLOWED_ACE
NTSYSAPI BOOLEAN NTAPI RtlFirstFreeAce(PACL Acl, PACE *Ace)
Definition: rtltypes.h:993