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Pull Request Pull Request #977: Fix SNTFileInfoTest for macOS 13

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71.25

/Source/common/SNTFileInfoTest.m

/// Copyright 2015 Google Inc. All rights reserved.
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
///    http://www.apache.org/licenses/LICENSE-2.0
///
///    Unless required by applicable law or agreed to in writing, software
///    distributed under the License is distributed on an "AS IS" BASIS,
///    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
///    See the License for the specific language governing permissions and
///    limitations under the License.

#import <XCTest/XCTest.h>

#import "Source/common/SNTFileInfo.h"

@interface SNTFileInfoTest : XCTestCase
@end

@implementation SNTFileInfoTest

- (NSString *)directoryBundle {
  NSString *rp = [[NSBundle bundleForClass:[self class]] resourcePath];
  return [rp stringByAppendingPathComponent:@"testdata/DirectoryBundle"];
}

- (NSString *)bundleExample {
  NSString *rp = [[NSBundle bundleForClass:[self class]] resourcePath];
  return [rp stringByAppendingPathComponent:@"testdata/BundleExample.app"];
}

- (void)testPathStandardizing {
  SNTFileInfo *sut = [[SNTFileInfo alloc] initWithPath:@"/Applications/Safari.app"];
  XCTAssertNotNil(sut);
  if (@available(macOS 13.0, *)) {
    XCTAssertEqualObjects(sut.path, @"/System/Volumes/Preboot/Cryptexes/App/System/Applications/"
                                    @"Safari.app/Contents/MacOS/Safari");
  } else {
    XCTAssertEqualObjects(sut.path, @"/Applications/Safari.app/Contents/MacOS/Safari");
  }

  sut = [[SNTFileInfo alloc] initWithPath:@"../../../../../../../../../../../../../../../bin/ls"];
  XCTAssertEqualObjects(sut.path, @"/bin/ls");

  sut = [[SNTFileInfo alloc] initWithPath:@"/usr/sbin/DirectoryService"];
  XCTAssertEqualObjects(sut.path, @"/usr/libexec/dspluginhelperd");
}

- (void)testSHA1 {
  NSString *path = [[NSBundle bundleForClass:[self class]] pathForResource:@"missing_pagezero"
                                                                    ofType:@""];
  SNTFileInfo *sut = [[SNTFileInfo alloc] initWithPath:path];

  XCTAssertNotNil(sut.SHA1);
  XCTAssertEqual(sut.SHA1.length, 40);
  XCTAssertEqualObjects(sut.SHA1, @"3a865bf47b4ceba20496e0e66e39e4cfa101ffe6");
}

- (void)testSHA256 {
  NSString *path = [[NSBundle bundleForClass:[self class]] pathForResource:@"missing_pagezero"
                                                                    ofType:@""];
  SNTFileInfo *sut = [[SNTFileInfo alloc] initWithPath:path];

  XCTAssertNotNil(sut.SHA256);
  XCTAssertEqual(sut.SHA256.length, 64);
  XCTAssertEqualObjects(sut.SHA256,
                        @"5e089b65a1e7a4696d84a34510710b6993d1de21250c41daaec63d9981083eba");
}

- (void)testExecutable {
  SNTFileInfo *sut = [[SNTFileInfo alloc] initWithPath:@"/sbin/launchd"];

  XCTAssertTrue(sut.isMachO);
  XCTAssertTrue(sut.isExecutable);

  XCTAssertFalse(sut.isDylib);
  XCTAssertFalse(sut.isKext);
  XCTAssertFalse(sut.isScript);
}

- (void)testPageZero {
  NSString *path = [[NSBundle bundleForClass:[self class]] pathForResource:@"missing_pagezero"
                                                                    ofType:@""];
  SNTFileInfo *sut = [[SNTFileInfo alloc] initWithPath:path];
  XCTAssertTrue(sut.isMissingPageZero);

  path = [[NSBundle bundleForClass:[self class]] pathForResource:@"bad_pagezero" ofType:@""];
  sut = [[SNTFileInfo alloc] initWithPath:path];
  XCTAssertTrue(sut.isMissingPageZero);

  sut = [[SNTFileInfo alloc] initWithPath:@"/usr/sbin/bless"];
  XCTAssertFalse(sut.isMissingPageZero);
}

- (void)testKext {
  // Skip this test on macOS 13 as KEXTs have moved into the kernelcache.
  if (@available(macOS 13.0, *)) {
    return;
  }

  SNTFileInfo *sut = [[SNTFileInfo alloc]
    initWithPath:@"/System/Library/Extensions/AppleAPIC.kext/Contents/MacOS/AppleAPIC"];

  XCTAssertTrue(sut.isMachO);
  XCTAssertTrue(sut.isKext);

  XCTAssertFalse(sut.isDylib);
  XCTAssertFalse(sut.isExecutable);
  XCTAssertFalse(sut.isFat);
  XCTAssertFalse(sut.isScript);
}

- (void)testDylibs {
  SNTFileInfo *sut = [[SNTFileInfo alloc] initWithPath:@"/usr/lib/system/libsystem_platform.dylib"];

  XCTAssertTrue(sut.isMachO);
  XCTAssertTrue(sut.isDylib);
  XCTAssertTrue(sut.isFat);

  XCTAssertFalse(sut.isKext);
  XCTAssertFalse(sut.isExecutable);
  XCTAssertFalse(sut.isScript);
}

- (void)testScript {
  SNTFileInfo *sut = [[SNTFileInfo alloc] initWithPath:@"/usr/bin/h2ph"];

  XCTAssertTrue(sut.isScript);

  XCTAssertFalse(sut.isDylib);
  XCTAssertFalse(sut.isExecutable);
  XCTAssertFalse(sut.isFat);
  XCTAssertFalse(sut.isKext);
  XCTAssertFalse(sut.isMachO);
}

- (void)testBundle {
  NSString *path = [self bundleExample];
  SNTFileInfo *sut = [[SNTFileInfo alloc] initWithPath:path];

  XCTAssertNotNil([sut bundle]);

  XCTAssertEqualObjects([sut bundleIdentifier], @"com.google.santa.BundleExample");
  XCTAssertEqualObjects([sut bundleName], @"BundleExample");
  XCTAssertEqualObjects([sut bundleVersion], @"1");
  XCTAssertEqualObjects([sut bundleShortVersionString], @"1.0");
  XCTAssertEqualObjects([sut bundlePath], path);
}

- (void)testAncestorBundle {
  NSString *path = [self bundleExample];
  SNTFileInfo *sut = [[SNTFileInfo alloc] initWithPath:path];
  sut.useAncestorBundle = YES;

  XCTAssertNotNil([sut bundle]);

  XCTAssertEqualObjects([sut bundleIdentifier], @"com.google.santa.UnitTest.SNTFileInfoTest");
  XCTAssertNotNil([sut bundleVersion]);
  XCTAssertNotNil([sut bundleShortVersionString]);

  NSString *ancestorBundlePath = path;
  for (int i = 0; i < 4; i++) {
    ancestorBundlePath = [ancestorBundlePath stringByDeletingLastPathComponent];
  }
  XCTAssertEqualObjects([sut bundlePath], ancestorBundlePath);
}

- (void)testBundleIsAncestor {
  NSString *path = [NSBundle bundleForClass:[self class]].bundlePath;
  SNTFileInfo *sut = [[SNTFileInfo alloc] initWithPath:path];
  sut.useAncestorBundle = YES;

  XCTAssertNotNil([sut bundle]);

  XCTAssertEqualObjects([sut bundleIdentifier], @"com.google.santa.UnitTest.SNTFileInfoTest");
  XCTAssertNotNil([sut bundleVersion]);
  XCTAssertNotNil([sut bundleShortVersionString]);
  XCTAssertEqualObjects([sut bundlePath], path);
}

- (void)testDirectoryBundleIsNotAncestor {
  NSString *path = [self directoryBundle];
  NSString *directoryBundle = @"/tmp/DirectoryBundle";
  NSFileManager *fm = [NSFileManager defaultManager];
  [fm removeItemAtPath:directoryBundle error:NULL];
  [fm copyItemAtPath:path toPath:directoryBundle error:NULL];
  path = [directoryBundle stringByAppendingString:@"/Contents/Resources/BundleExample.app"];
  SNTFileInfo *sut = [[SNTFileInfo alloc] initWithPath:path];
  sut.useAncestorBundle = YES;

  XCTAssertNotNil([sut bundle]);

  XCTAssertEqualObjects([sut bundleIdentifier], @"com.google.santa.BundleExample");
  XCTAssertEqualObjects([sut bundleName], @"BundleExample");
  XCTAssertEqualObjects([sut bundleVersion], @"1");
  XCTAssertEqualObjects([sut bundleShortVersionString], @"1.0");
  XCTAssertEqualObjects([sut bundlePath], path);
}

- (void)testBundleCacheReset {
  NSString *path = [self bundleExample];
  SNTFileInfo *sut = [[SNTFileInfo alloc] initWithPath:path];

  XCTAssertNotNil([sut bundle]);

  XCTAssertEqualObjects([sut bundleIdentifier], @"com.google.santa.BundleExample");
  XCTAssertEqualObjects([sut bundleName], @"BundleExample");
  XCTAssertEqualObjects([sut bundleVersion], @"1");
  XCTAssertEqualObjects([sut bundleShortVersionString], @"1.0");
  XCTAssertEqualObjects([sut bundlePath], path);

  sut.useAncestorBundle = YES;

  XCTAssertNotNil([sut bundle]);

  XCTAssertEqualObjects([sut bundleIdentifier], @"com.google.santa.UnitTest.SNTFileInfoTest");
  XCTAssertNotNil([sut bundleVersion]);
  XCTAssertNotNil([sut bundleShortVersionString]);

  NSString *ancestorBundlePath = path;
  for (int i = 0; i < 4; i++) {
    ancestorBundlePath = [ancestorBundlePath stringByDeletingLastPathComponent];
  }
  XCTAssertEqualObjects([sut bundlePath], ancestorBundlePath);
}

- (void)testNonBundle {
  SNTFileInfo *sut = [[SNTFileInfo alloc] initWithPath:@"/usr/bin/yes"];

  XCTAssertNil([sut bundle]);

  sut.useAncestorBundle = YES;

  XCTAssertNil([sut bundle]);
}

- (void)testEmbeddedInfoPlist {
  NSString *path = [[NSBundle bundleForClass:[self class]] pathForResource:@"32bitplist"
                                                                    ofType:@""];
  SNTFileInfo *sut = [[SNTFileInfo alloc] initWithPath:path];
  XCTAssertNotNil([sut infoPlist]);
  XCTAssertEqualObjects([sut infoPlist][@"CFBundleShortVersionString"], @"1.0");
  XCTAssertEqualObjects([sut infoPlist][@"CFBundleIdentifier"], @"com.google.i386plist");

  // csreq is installed on all machines with Xcode installed. If you're running these tests,
  // it should be available..
  sut = [[SNTFileInfo alloc] initWithPath:@"/usr/bin/csreq"];
  XCTAssertNotNil([sut infoPlist]);
}

@end

1	/// Copyright 2015 Google Inc. All rights reserved.
2	///
3	/// Licensed under the Apache License, Version 2.0 (the "License");
4	/// you may not use this file except in compliance with the License.
5	/// You may obtain a copy of the License at
6	///
7	/// http://www.apache.org/licenses/LICENSE-2.0
8	///
9	/// Unless required by applicable law or agreed to in writing, software
10	/// distributed under the License is distributed on an "AS IS" BASIS,
11	/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12	/// See the License for the specific language governing permissions and
13	/// limitations under the License.
14
15	#import <XCTest/XCTest.h>
16
17	#import "Source/common/SNTFileInfo.h"
18
19	@interface SNTFileInfoTest : XCTestCase
20	@end
21
22	@implementation SNTFileInfoTest
23
24	- (NSString *)directoryBundle {	1✔
25	NSString *rp = [[NSBundle bundleForClass:[self class]] resourcePath];	1✔
26	return [rp stringByAppendingPathComponent:@"testdata/DirectoryBundle"];	1✔
27	}	1✔
28
29	- (NSString *)bundleExample {	3✔
30	NSString *rp = [[NSBundle bundleForClass:[self class]] resourcePath];	3✔
31	return [rp stringByAppendingPathComponent:@"testdata/BundleExample.app"];	3✔
32	}	3✔
33
34	- (void)testPathStandardizing {	1✔
35	SNTFileInfo *sut = [[SNTFileInfo alloc] initWithPath:@"/Applications/Safari.app"];	1✔
36	XCTAssertNotNil(sut);	1!
37	if (@available(macOS 13.0, *)) {	1!
38	XCTAssertEqualObjects(sut.path, @"/System/Volumes/Preboot/Cryptexes/App/System/Applications/"	×
39	@"Safari.app/Contents/MacOS/Safari");	×
40	} else {	1✔
41	XCTAssertEqualObjects(sut.path, @"/Applications/Safari.app/Contents/MacOS/Safari");	1!
42	}	1✔
43
44	sut = [[SNTFileInfo alloc] initWithPath:@"../../../../../../../../../../../../../../../bin/ls"];	1✔
45	XCTAssertEqualObjects(sut.path, @"/bin/ls");	1!
46
47	sut = [[SNTFileInfo alloc] initWithPath:@"/usr/sbin/DirectoryService"];	1✔
48	XCTAssertEqualObjects(sut.path, @"/usr/libexec/dspluginhelperd");	1!
49	}	1✔
50
51	- (void)testSHA1 {	1✔
52	NSString *path = [[NSBundle bundleForClass:[self class]] pathForResource:@"missing_pagezero"	1✔
53	ofType:@""];	1✔
54	SNTFileInfo *sut = [[SNTFileInfo alloc] initWithPath:path];	1✔
55
56	XCTAssertNotNil(sut.SHA1);	1!
57	XCTAssertEqual(sut.SHA1.length, 40);	1!
58	XCTAssertEqualObjects(sut.SHA1, @"3a865bf47b4ceba20496e0e66e39e4cfa101ffe6");	1!
59	}	1✔
60
61	- (void)testSHA256 {	1✔
62	NSString *path = [[NSBundle bundleForClass:[self class]] pathForResource:@"missing_pagezero"	1✔
63	ofType:@""];	1✔
64	SNTFileInfo *sut = [[SNTFileInfo alloc] initWithPath:path];	1✔
65
66	XCTAssertNotNil(sut.SHA256);	1!
67	XCTAssertEqual(sut.SHA256.length, 64);	1!
68	XCTAssertEqualObjects(sut.SHA256,	1!
69	@"5e089b65a1e7a4696d84a34510710b6993d1de21250c41daaec63d9981083eba");	1✔
70	}	1✔
71
72	- (void)testExecutable {	1✔
73	SNTFileInfo *sut = [[SNTFileInfo alloc] initWithPath:@"/sbin/launchd"];	1✔
74
75	XCTAssertTrue(sut.isMachO);	1!
76	XCTAssertTrue(sut.isExecutable);	1!
77
78	XCTAssertFalse(sut.isDylib);	1!
79	XCTAssertFalse(sut.isKext);	1!
80	XCTAssertFalse(sut.isScript);	1!
81	}	1✔
82
83	- (void)testPageZero {	1✔
84	NSString *path = [[NSBundle bundleForClass:[self class]] pathForResource:@"missing_pagezero"	1✔
85	ofType:@""];	1✔
86	SNTFileInfo *sut = [[SNTFileInfo alloc] initWithPath:path];	1✔
87	XCTAssertTrue(sut.isMissingPageZero);	1!
88
89	path = [[NSBundle bundleForClass:[self class]] pathForResource:@"bad_pagezero" ofType:@""];	1✔
90	sut = [[SNTFileInfo alloc] initWithPath:path];	1✔
91	XCTAssertTrue(sut.isMissingPageZero);	1!
92
93	sut = [[SNTFileInfo alloc] initWithPath:@"/usr/sbin/bless"];	1✔
94	XCTAssertFalse(sut.isMissingPageZero);	1!
95	}	1✔
96
97	- (void)testKext {	1✔
98	// Skip this test on macOS 13 as KEXTs have moved into the kernelcache.
99	if (@available(macOS 13.0, *)) {	1!
100	return;	×
101	}	×
102
103	SNTFileInfo *sut = [[SNTFileInfo alloc]	1✔
104	initWithPath:@"/System/Library/Extensions/AppleAPIC.kext/Contents/MacOS/AppleAPIC"];	1✔
105
106	XCTAssertTrue(sut.isMachO);	1!
107	XCTAssertTrue(sut.isKext);	1!
108
109	XCTAssertFalse(sut.isDylib);	1!
110	XCTAssertFalse(sut.isExecutable);	1!
111	XCTAssertFalse(sut.isFat);	1!
112	XCTAssertFalse(sut.isScript);	1!
113	}	1✔
114
115	- (void)testDylibs {	1✔
116	SNTFileInfo *sut = [[SNTFileInfo alloc] initWithPath:@"/usr/lib/system/libsystem_platform.dylib"];	1✔
117
118	XCTAssertTrue(sut.isMachO);	1!
119	XCTAssertTrue(sut.isDylib);	1!
120	XCTAssertTrue(sut.isFat);	1!
121
122	XCTAssertFalse(sut.isKext);	1!
123	XCTAssertFalse(sut.isExecutable);	1!
124	XCTAssertFalse(sut.isScript);	1!
125	}	1✔
126
127	- (void)testScript {	1✔
128	SNTFileInfo *sut = [[SNTFileInfo alloc] initWithPath:@"/usr/bin/h2ph"];	1✔
129
130	XCTAssertTrue(sut.isScript);	1!
131
132	XCTAssertFalse(sut.isDylib);	1!
133	XCTAssertFalse(sut.isExecutable);	1!
134	XCTAssertFalse(sut.isFat);	1!
135	XCTAssertFalse(sut.isKext);	1!
136	XCTAssertFalse(sut.isMachO);	1!
137	}	1✔
138
139	- (void)testBundle {	1✔
140	NSString *path = [self bundleExample];	1✔
141	SNTFileInfo *sut = [[SNTFileInfo alloc] initWithPath:path];	1✔
142
143	XCTAssertNotNil([sut bundle]);	1!
144
145	XCTAssertEqualObjects([sut bundleIdentifier], @"com.google.santa.BundleExample");	1!
146	XCTAssertEqualObjects([sut bundleName], @"BundleExample");	1!
147	XCTAssertEqualObjects([sut bundleVersion], @"1");	1!
148	XCTAssertEqualObjects([sut bundleShortVersionString], @"1.0");	1!
149	XCTAssertEqualObjects([sut bundlePath], path);	1!
150	}	1✔
151
152	- (void)testAncestorBundle {	1✔
153	NSString *path = [self bundleExample];	1✔
154	SNTFileInfo *sut = [[SNTFileInfo alloc] initWithPath:path];	1✔
155	sut.useAncestorBundle = YES;	1✔
156
157	XCTAssertNotNil([sut bundle]);	1!
158
159	XCTAssertEqualObjects([sut bundleIdentifier], @"com.google.santa.UnitTest.SNTFileInfoTest");	1!
160	XCTAssertNotNil([sut bundleVersion]);	1!
161	XCTAssertNotNil([sut bundleShortVersionString]);	1!
162
163	NSString *ancestorBundlePath = path;	1✔
164	for (int i = 0; i < 4; i++) {	5✔
165	ancestorBundlePath = [ancestorBundlePath stringByDeletingLastPathComponent];	4✔
166	}	4✔
167	XCTAssertEqualObjects([sut bundlePath], ancestorBundlePath);	1!
168	}	1✔
169
170	- (void)testBundleIsAncestor {	1✔
171	NSString *path = [NSBundle bundleForClass:[self class]].bundlePath;	1✔
172	SNTFileInfo *sut = [[SNTFileInfo alloc] initWithPath:path];	1✔
173	sut.useAncestorBundle = YES;	1✔
174
175	XCTAssertNotNil([sut bundle]);	1!
176
177	XCTAssertEqualObjects([sut bundleIdentifier], @"com.google.santa.UnitTest.SNTFileInfoTest");	1!
178	XCTAssertNotNil([sut bundleVersion]);	1!
179	XCTAssertNotNil([sut bundleShortVersionString]);	1!
180	XCTAssertEqualObjects([sut bundlePath], path);	1!
181	}	1✔
182
183	- (void)testDirectoryBundleIsNotAncestor {	1✔
184	NSString *path = [self directoryBundle];	1✔
185	NSString *directoryBundle = @"/tmp/DirectoryBundle";	1✔
186	NSFileManager *fm = [NSFileManager defaultManager];	1✔
187	[fm removeItemAtPath:directoryBundle error:NULL];	1✔
188	[fm copyItemAtPath:path toPath:directoryBundle error:NULL];	1✔
189	path = [directoryBundle stringByAppendingString:@"/Contents/Resources/BundleExample.app"];	1✔
190	SNTFileInfo *sut = [[SNTFileInfo alloc] initWithPath:path];	1✔
191	sut.useAncestorBundle = YES;	1✔
192
193	XCTAssertNotNil([sut bundle]);	1!
194
195	XCTAssertEqualObjects([sut bundleIdentifier], @"com.google.santa.BundleExample");	1!
196	XCTAssertEqualObjects([sut bundleName], @"BundleExample");	1!
197	XCTAssertEqualObjects([sut bundleVersion], @"1");	1!
198	XCTAssertEqualObjects([sut bundleShortVersionString], @"1.0");	1!
199	XCTAssertEqualObjects([sut bundlePath], path);	1!
200	}	1✔
201
202	- (void)testBundleCacheReset {	1✔
203	NSString *path = [self bundleExample];	1✔
204	SNTFileInfo *sut = [[SNTFileInfo alloc] initWithPath:path];	1✔
205
206	XCTAssertNotNil([sut bundle]);	1!
207
208	XCTAssertEqualObjects([sut bundleIdentifier], @"com.google.santa.BundleExample");	1!
209	XCTAssertEqualObjects([sut bundleName], @"BundleExample");	1!
210	XCTAssertEqualObjects([sut bundleVersion], @"1");	1!
211	XCTAssertEqualObjects([sut bundleShortVersionString], @"1.0");	1!
212	XCTAssertEqualObjects([sut bundlePath], path);	1!
213
214	sut.useAncestorBundle = YES;	1✔
215
216	XCTAssertNotNil([sut bundle]);	1!
217
218	XCTAssertEqualObjects([sut bundleIdentifier], @"com.google.santa.UnitTest.SNTFileInfoTest");	1!
219	XCTAssertNotNil([sut bundleVersion]);	1!
220	XCTAssertNotNil([sut bundleShortVersionString]);	1!
221
222	NSString *ancestorBundlePath = path;	1✔
223	for (int i = 0; i < 4; i++) {	5✔
224	ancestorBundlePath = [ancestorBundlePath stringByDeletingLastPathComponent];	4✔
225	}	4✔
226	XCTAssertEqualObjects([sut bundlePath], ancestorBundlePath);	1!
227	}	1✔
228
229	- (void)testNonBundle {	1✔
230	SNTFileInfo *sut = [[SNTFileInfo alloc] initWithPath:@"/usr/bin/yes"];	1✔
231
232	XCTAssertNil([sut bundle]);	1!
233
234	sut.useAncestorBundle = YES;	1✔
235
236	XCTAssertNil([sut bundle]);	1!
237	}	1✔
238
239	- (void)testEmbeddedInfoPlist {	1✔
240	NSString *path = [[NSBundle bundleForClass:[self class]] pathForResource:@"32bitplist"	1✔
241	ofType:@""];	1✔
242	SNTFileInfo *sut = [[SNTFileInfo alloc] initWithPath:path];	1✔
243	XCTAssertNotNil([sut infoPlist]);	1!
244	XCTAssertEqualObjects([sut infoPlist][@"CFBundleShortVersionString"], @"1.0");	1!
245	XCTAssertEqualObjects([sut infoPlist][@"CFBundleIdentifier"], @"com.google.i386plist");	1!
246
247	// csreq is installed on all machines with Xcode installed. If you're running these tests,
248	// it should be available..
249	sut = [[SNTFileInfo alloc] initWithPath:@"/usr/bin/csreq"];	1✔
250	XCTAssertNotNil([sut infoPlist]);	1!
251	}	1✔
252
253	@end

google / santa / 3753552675

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