6851119588

Committed 13 Nov 2023 02:10PM UTC coverage: 63.848% (-0.5%) from 64.325%

Build # 6851119588

Build Type

Pull #1233

github

Committed by

web-flow

Commit Message

Merge 44b8e2d4c into edac42e8b

Pull Request Pull Request #1233: Entitlements logging config options

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100 of 165 new or added lines in 10 files covered. (60.61%)

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70.47

/Source/santad/SNTPolicyProcessor.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 "Source/santad/SNTPolicyProcessor.h"
#include <Foundation/Foundation.h>

#import <MOLCodesignChecker/MOLCodesignChecker.h>
#import <Security/SecCode.h>

#include "Source/common/SNTLogging.h"

#import "Source/common/SNTCachedDecision.h"
#import "Source/common/SNTConfigurator.h"
#import "Source/common/SNTDeepCopy.h"
#import "Source/common/SNTFileInfo.h"
#import "Source/common/SNTRule.h"
#import "Source/santad/DataLayer/SNTRuleTable.h"

@interface SNTPolicyProcessor ()
@property SNTRuleTable *ruleTable;
@property SNTConfigurator *configurator;
@end

@implementation SNTPolicyProcessor

- (instancetype)initWithRuleTable:(SNTRuleTable *)ruleTable {
  self = [super init];
  if (self) {
    _ruleTable = ruleTable;
    _configurator = [SNTConfigurator configurator];
  }
  return self;
}

- (nonnull SNTCachedDecision *)decisionForFileInfo:(nonnull SNTFileInfo *)fileInfo
                                        fileSHA256:(nullable NSString *)fileSHA256
                                 certificateSHA256:(nullable NSString *)certificateSHA256
                                            teamID:(nullable NSString *)teamID
                                         signingID:(nullable NSString *)signingID
                        entitlementsFilterCallback:
                          (NSDictionary *_Nullable (^_Nullable)(
                            NSDictionary *_Nullable entitlements))entitlementsFilterCallback {
  SNTCachedDecision *cd = [[SNTCachedDecision alloc] init];
  cd.sha256 = fileSHA256 ?: fileInfo.SHA256;
  cd.teamID = teamID;
  cd.signingID = signingID;

  SNTClientMode mode = [self.configurator clientMode];
  cd.decisionClientMode = mode;

  // If the binary is a critical system binary, don't check its signature.
  // The binary was validated at startup when the rule table was initialized.
  SNTCachedDecision *systemCd = self.ruleTable.criticalSystemBinaries[cd.sha256];
  if (systemCd) {
    systemCd.decisionClientMode = mode;
    return systemCd;
  }

  NSError *csInfoError;
  if (certificateSHA256.length) {
    cd.certSHA256 = certificateSHA256;
  } else {
    // Grab the code signature, if there's an error don't try to capture
    // any of the signature details.
    MOLCodesignChecker *csInfo = [fileInfo codesignCheckerWithError:&csInfoError];
    if (csInfoError) {
      csInfo = nil;
      cd.decisionExtra =
        [NSString stringWithFormat:@"Signature ignored due to error: %ld", (long)csInfoError.code];
      cd.teamID = nil;
      cd.signingID = nil;
    } else {
      cd.certSHA256 = csInfo.leafCertificate.SHA256;
      cd.certCommonName = csInfo.leafCertificate.commonName;
      cd.certChain = csInfo.certificates;
      cd.teamID = teamID
                    ?: [csInfo.signingInformation
                         objectForKey:(__bridge NSString *)kSecCodeInfoTeamIdentifier];

      // Ensure that if no teamID exists that the signing info confirms it is a
      // platform binary. If not, remove the signingID.
      if (!cd.teamID && cd.signingID) {
        id platformID = [csInfo.signingInformation
          objectForKey:(__bridge NSString *)kSecCodeInfoPlatformIdentifier];
        if (![platformID isKindOfClass:[NSNumber class]] || [platformID intValue] == 0) {
          cd.signingID = nil;
        }
      }

      NSDictionary *entitlements =
        csInfo.signingInformation[(__bridge NSString *)kSecCodeInfoEntitlementsDict];

      if (entitlementsFilterCallback) {
        cd.entitlements = entitlementsFilterCallback(entitlements);
        cd.entitlementsFiltered = (cd.entitlements.count == entitlements.count);
      } else {
        cd.entitlements = [entitlements sntDeepCopy];
        cd.entitlementsFiltered = NO;
      }
    }
  }
  cd.quarantineURL = fileInfo.quarantineDataURL;

  SNTRule *rule = [self.ruleTable ruleForBinarySHA256:cd.sha256
                                            signingID:cd.signingID
                                    certificateSHA256:cd.certSHA256
                                               teamID:cd.teamID];
  if (rule) {
    switch (rule.type) {
      case SNTRuleTypeBinary:
        switch (rule.state) {
          case SNTRuleStateAllow: cd.decision = SNTEventStateAllowBinary; return cd;
          case SNTRuleStateSilentBlock: cd.silentBlock = YES;
          case SNTRuleStateBlock:
            cd.customMsg = rule.customMsg;
            cd.customURL = rule.customURL;
            cd.decision = SNTEventStateBlockBinary;
            return cd;
          case SNTRuleStateAllowCompiler:
            // If transitive rules are enabled, then SNTRuleStateAllowListCompiler rules
            // become SNTEventStateAllowCompiler decisions.  Otherwise we treat the rule as if
            // it were SNTRuleStateAllow.
            if ([self.configurator enableTransitiveRules]) {
              cd.decision = SNTEventStateAllowCompiler;
            } else {
              cd.decision = SNTEventStateAllowBinary;
            }
            return cd;
          case SNTRuleStateAllowTransitive:
            // If transitive rules are enabled, then SNTRuleStateAllowTransitive
            // rules become SNTEventStateAllowTransitive decisions.  Otherwise, we treat the
            // rule as if it were SNTRuleStateUnknown.
            if ([self.configurator enableTransitiveRules]) {
              cd.decision = SNTEventStateAllowTransitive;
              return cd;
            } else {
              rule.state = SNTRuleStateUnknown;
            }
          default: break;
        }
        break;
      case SNTRuleTypeSigningID:
        switch (rule.state) {
          case SNTRuleStateAllow: cd.decision = SNTEventStateAllowSigningID; return cd;
          case SNTRuleStateAllowCompiler:
            // If transitive rules are enabled, then SNTRuleStateAllowListCompiler rules
            // become SNTEventStateAllowCompiler decisions.  Otherwise we treat the rule as if
            // it were SNTRuleStateAllowSigningID.
            if ([self.configurator enableTransitiveRules]) {
              cd.decision = SNTEventStateAllowCompiler;
            } else {
              cd.decision = SNTEventStateAllowSigningID;
            }
            return cd;
          case SNTRuleStateSilentBlock:
            cd.silentBlock = YES;
            // intentional fallthrough
          case SNTRuleStateBlock:
            cd.customMsg = rule.customMsg;
            cd.customURL = rule.customURL;
            cd.decision = SNTEventStateBlockSigningID;
            return cd;
          default: break;
        }
        break;
      case SNTRuleTypeCertificate:
        switch (rule.state) {
          case SNTRuleStateAllow: cd.decision = SNTEventStateAllowCertificate; return cd;
          case SNTRuleStateSilentBlock:
            cd.silentBlock = YES;
            // intentional fallthrough
          case SNTRuleStateBlock:
            cd.customMsg = rule.customMsg;
            cd.customURL = rule.customURL;
            cd.decision = SNTEventStateBlockCertificate;
            return cd;
          default: break;
        }
        break;
      case SNTRuleTypeTeamID:
        switch (rule.state) {
          case SNTRuleStateAllow: cd.decision = SNTEventStateAllowTeamID; return cd;
          case SNTRuleStateSilentBlock:
            cd.silentBlock = YES;
            // intentional fallthrough
          case SNTRuleStateBlock:
            cd.customMsg = rule.customMsg;
            cd.customURL = rule.customURL;
            cd.decision = SNTEventStateBlockTeamID;
            return cd;
          default: break;
        }
        break;

      default: break;
    }
  }

  if ([[SNTConfigurator configurator] enableBadSignatureProtection] && csInfoError &&
      csInfoError.code != errSecCSUnsigned) {
    cd.decisionExtra =
      [NSString stringWithFormat:@"Blocked due to signature error: %ld", (long)csInfoError.code];
    cd.decision = SNTEventStateBlockCertificate;
    return cd;
  }

  NSString *msg = [self fileIsScopeBlocked:fileInfo];
  if (msg) {
    cd.decisionExtra = msg;
    cd.decision = SNTEventStateBlockScope;
    return cd;
  }

  msg = [self fileIsScopeAllowed:fileInfo];
  if (msg) {
    cd.decisionExtra = msg;
    cd.decision = SNTEventStateAllowScope;
    return cd;
  }

  switch (mode) {
    case SNTClientModeMonitor: cd.decision = SNTEventStateAllowUnknown; return cd;
    case SNTClientModeLockdown: cd.decision = SNTEventStateBlockUnknown; return cd;
    default: cd.decision = SNTEventStateBlockUnknown; return cd;
  }
}

- (nonnull SNTCachedDecision *)decisionForFileInfo:(nonnull SNTFileInfo *)fileInfo
                                     targetProcess:(nonnull const es_process_t *)targetProc
                        entitlementsFilterCallback:
                          (NSDictionary *_Nullable (^_Nonnull)(
                            const char *_Nullable teamID,
                            NSDictionary *_Nullable entitlements))entitlementsFilterCallback {
  NSString *signingID;
  NSString *teamID;

  const char *entitlementsFilterTeamID = NULL;

  if (targetProc->signing_id.length > 0) {
    if (targetProc->team_id.length > 0) {
      entitlementsFilterTeamID = targetProc->team_id.data;
      teamID = [NSString stringWithUTF8String:targetProc->team_id.data];
      signingID =
        [NSString stringWithFormat:@"%@:%@", teamID,
                                   [NSString stringWithUTF8String:targetProc->signing_id.data]];
    } else if (targetProc->is_platform_binary) {
      entitlementsFilterTeamID = "platform";
      signingID =
        [NSString stringWithFormat:@"platform:%@",
                                   [NSString stringWithUTF8String:targetProc->signing_id.data]];
    }
  }

  return [self decisionForFileInfo:fileInfo
                        fileSHA256:nil
                 certificateSHA256:nil
                            teamID:teamID
                         signingID:signingID
        entitlementsFilterCallback:^NSDictionary *(NSDictionary *entitlements) {
          return entitlementsFilterCallback(entitlementsFilterTeamID, entitlements);
        }];
}

// Used by `$ santactl fileinfo`.
- (nonnull SNTCachedDecision *)decisionForFilePath:(nonnull NSString *)filePath
                                        fileSHA256:(nullable NSString *)fileSHA256
                                 certificateSHA256:(nullable NSString *)certificateSHA256
                                            teamID:(nullable NSString *)teamID
                                         signingID:(nullable NSString *)signingID {
  SNTFileInfo *fileInfo;
  NSError *error;
  fileInfo = [[SNTFileInfo alloc] initWithPath:filePath error:&error];
  if (!fileInfo) LOGW(@"Failed to read file %@: %@", filePath, error.localizedDescription);
  return [self decisionForFileInfo:fileInfo
                        fileSHA256:fileSHA256
                 certificateSHA256:certificateSHA256
                            teamID:teamID
                         signingID:signingID
        entitlementsFilterCallback:nil];
}

///
///  Checks whether the file at @c path is in-scope for checking with Santa.
///
///  Files that are out of scope:
///    + Non Mach-O files that are not part of an installer package.
///    + Files in allowed path.
///
///  @return @c YES if file is in scope, @c NO otherwise.
///
- (NSString *)fileIsScopeAllowed:(SNTFileInfo *)fi {
  if (!fi) return nil;

  // Determine if file is within an allowed path
  NSRegularExpression *re = [[SNTConfigurator configurator] allowedPathRegex];
  if ([re numberOfMatchesInString:fi.path options:0 range:NSMakeRange(0, fi.path.length)]) {
    return @"Allowed Path Regex";
  }

  // If file is not a Mach-O file, we're not interested.
  if (!fi.isMachO) {
    return @"Not a Mach-O";
  }

  return nil;
}

- (NSString *)fileIsScopeBlocked:(SNTFileInfo *)fi {
  if (!fi) return nil;

  NSRegularExpression *re = [[SNTConfigurator configurator] blockedPathRegex];
  if ([re numberOfMatchesInString:fi.path options:0 range:NSMakeRange(0, fi.path.length)]) {
    return @"Blocked Path Regex";
  }

  if ([[SNTConfigurator configurator] enablePageZeroProtection] && fi.isMissingPageZero) {
    return @"Missing __PAGEZERO";
  }

  return nil;
}

@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 "Source/santad/SNTPolicyProcessor.h"
16	#include <Foundation/Foundation.h>
17
18	#import <MOLCodesignChecker/MOLCodesignChecker.h>
19	#import <Security/SecCode.h>
20
21	#include "Source/common/SNTLogging.h"
22
23	#import "Source/common/SNTCachedDecision.h"
24	#import "Source/common/SNTConfigurator.h"
25	#import "Source/common/SNTDeepCopy.h"
26	#import "Source/common/SNTFileInfo.h"
27	#import "Source/common/SNTRule.h"
28	#import "Source/santad/DataLayer/SNTRuleTable.h"
29
30	@interface SNTPolicyProcessor ()
31	@property SNTRuleTable *ruleTable;
32	@property SNTConfigurator *configurator;
33	@end
34
35	@implementation SNTPolicyProcessor
36
37	- (instancetype)initWithRuleTable:(SNTRuleTable *)ruleTable {	45✔
38	self = [super init];	45✔
39	if (self) {	45!
40	_ruleTable = ruleTable;	45✔
41	_configurator = [SNTConfigurator configurator];	45✔
42	}	45✔
43	return self;	45✔
44	}	45✔
45
46	- (nonnull SNTCachedDecision )decisionForFileInfo:(nonnull SNTFileInfo )fileInfo
47	fileSHA256:(nullable NSString *)fileSHA256
48	certificateSHA256:(nullable NSString *)certificateSHA256
49	teamID:(nullable NSString *)teamID
50	signingID:(nullable NSString *)signingID
51	entitlementsFilterCallback:
52	(NSDictionary *_Nullable (^_Nullable)(
53	NSDictionary *_Nullable entitlements))entitlementsFilterCallback {	42✔
54	SNTCachedDecision *cd = [[SNTCachedDecision alloc] init];	42✔
55	cd.sha256 = fileSHA256 ?: fileInfo.SHA256;	42✔
56	cd.teamID = teamID;	42✔
57	cd.signingID = signingID;	42✔
58
59	SNTClientMode mode = [self.configurator clientMode];	42✔
60	cd.decisionClientMode = mode;	42✔
61
62	// If the binary is a critical system binary, don't check its signature.
63	// The binary was validated at startup when the rule table was initialized.
64	SNTCachedDecision *systemCd = self.ruleTable.criticalSystemBinaries[cd.sha256];	42✔
65	if (systemCd) {	42✔
66	systemCd.decisionClientMode = mode;	1✔
67	return systemCd;	1✔
68	}	1✔
69
70	NSError *csInfoError;	41✔
71	if (certificateSHA256.length) {	41!
72	cd.certSHA256 = certificateSHA256;	×
73	} else {	41✔
74	// Grab the code signature, if there's an error don't try to capture
75	// any of the signature details.
76	MOLCodesignChecker *csInfo = [fileInfo codesignCheckerWithError:&csInfoError];	41✔
77	if (csInfoError) {	41✔
78	csInfo = nil;	6✔
79	cd.decisionExtra =	6✔
80	[NSString stringWithFormat:@"Signature ignored due to error: %ld", (long)csInfoError.code];	6✔
81	cd.teamID = nil;	6✔
82	cd.signingID = nil;	6✔
83	} else {	35✔
84	cd.certSHA256 = csInfo.leafCertificate.SHA256;	35✔
85	cd.certCommonName = csInfo.leafCertificate.commonName;	35✔
86	cd.certChain = csInfo.certificates;	35✔
87	cd.teamID = teamID	35✔
88	?: [csInfo.signingInformation	35✔
89	objectForKey:(__bridge NSString *)kSecCodeInfoTeamIdentifier];	35✔
90
91	// Ensure that if no teamID exists that the signing info confirms it is a
92	// platform binary. If not, remove the signingID.
93	if (!cd.teamID && cd.signingID) {	35!
94	id platformID = [csInfo.signingInformation	×
95	objectForKey:(__bridge NSString *)kSecCodeInfoPlatformIdentifier];	×
96	if (![platformID isKindOfClass:[NSNumber class]] \|\| [platformID intValue] == 0) {	×
97	cd.signingID = nil;	×
98	}	×
99	}	×
100
101	NSDictionary *entitlements =	35✔
102	csInfo.signingInformation[(__bridge NSString *)kSecCodeInfoEntitlementsDict];	35✔
103
104	if (entitlementsFilterCallback) {	35!
105	cd.entitlements = entitlementsFilterCallback(entitlements);	35✔
106	cd.entitlementsFiltered = (cd.entitlements.count == entitlements.count);	35✔
NEW 107	} else {	×
NEW 108	cd.entitlements = [entitlements sntDeepCopy];	×
NEW 109	cd.entitlementsFiltered = NO;	×
NEW 110	}	×
111	}	35✔
112	}	41✔
113	cd.quarantineURL = fileInfo.quarantineDataURL;	41✔
114
115	SNTRule *rule = [self.ruleTable ruleForBinarySHA256:cd.sha256	41✔
116	signingID:cd.signingID	41✔
117	certificateSHA256:cd.certSHA256	41✔
118	teamID:cd.teamID];	41✔
119	if (rule) {	41✔
120	switch (rule.type) {	32✔
121	case SNTRuleTypeBinary:	13✔
122	switch (rule.state) {	13✔
123	case SNTRuleStateAllow: cd.decision = SNTEventStateAllowBinary; return cd;	6✔
124	case SNTRuleStateSilentBlock: cd.silentBlock = YES;	×
125	case SNTRuleStateBlock:	3✔
126	cd.customMsg = rule.customMsg;	3✔
127	cd.customURL = rule.customURL;	3✔
128	cd.decision = SNTEventStateBlockBinary;	3✔
129	return cd;	3✔
130	case SNTRuleStateAllowCompiler:	2✔
131	// If transitive rules are enabled, then SNTRuleStateAllowListCompiler rules
132	// become SNTEventStateAllowCompiler decisions. Otherwise we treat the rule as if
133	// it were SNTRuleStateAllow.
134	if ([self.configurator enableTransitiveRules]) {	2✔
135	cd.decision = SNTEventStateAllowCompiler;	1✔
136	} else {	1✔
137	cd.decision = SNTEventStateAllowBinary;	1✔
138	}	1✔
139	return cd;	2✔
140	case SNTRuleStateAllowTransitive:	2✔
141	// If transitive rules are enabled, then SNTRuleStateAllowTransitive
142	// rules become SNTEventStateAllowTransitive decisions. Otherwise, we treat the
143	// rule as if it were SNTRuleStateUnknown.
144	if ([self.configurator enableTransitiveRules]) {	2✔
145	cd.decision = SNTEventStateAllowTransitive;	1✔
146	return cd;	1✔
147	} else {	1✔
148	rule.state = SNTRuleStateUnknown;	1✔
149	}	1✔
150	default: break;	1!
151	}	1✔
152	break;	1✔
153	case SNTRuleTypeSigningID:	7✔
154	switch (rule.state) {	7✔
155	case SNTRuleStateAllow: cd.decision = SNTEventStateAllowSigningID; return cd;	3✔
156	case SNTRuleStateAllowCompiler:	1✔
157	// If transitive rules are enabled, then SNTRuleStateAllowListCompiler rules
158	// become SNTEventStateAllowCompiler decisions. Otherwise we treat the rule as if
159	// it were SNTRuleStateAllowSigningID.
160	if ([self.configurator enableTransitiveRules]) {	1!
161	cd.decision = SNTEventStateAllowCompiler;	1✔
162	} else {	×
163	cd.decision = SNTEventStateAllowSigningID;	×
164	}	×
165	return cd;	1✔
166	case SNTRuleStateSilentBlock:	×
167	cd.silentBlock = YES;	×
168	// intentional fallthrough
169	case SNTRuleStateBlock:	3✔
170	cd.customMsg = rule.customMsg;	3✔
171	cd.customURL = rule.customURL;	3✔
172	cd.decision = SNTEventStateBlockSigningID;	3✔
173	return cd;	3✔
174	default: break;	×
175	}	×
176	break;	×
177	case SNTRuleTypeCertificate:	6✔
178	switch (rule.state) {	6✔
179	case SNTRuleStateAllow: cd.decision = SNTEventStateAllowCertificate; return cd;	3✔
180	case SNTRuleStateSilentBlock:	×
181	cd.silentBlock = YES;	×
182	// intentional fallthrough
183	case SNTRuleStateBlock:	3✔
184	cd.customMsg = rule.customMsg;	3✔
185	cd.customURL = rule.customURL;	3✔
186	cd.decision = SNTEventStateBlockCertificate;	3✔
187	return cd;	3✔
188	default: break;	×
189	}	×
190	break;	×
191	case SNTRuleTypeTeamID:	6✔
192	switch (rule.state) {	6✔
193	case SNTRuleStateAllow: cd.decision = SNTEventStateAllowTeamID; return cd;	3✔
194	case SNTRuleStateSilentBlock:	×
195	cd.silentBlock = YES;	×
196	// intentional fallthrough
197	case SNTRuleStateBlock:	3✔
198	cd.customMsg = rule.customMsg;	3✔
199	cd.customURL = rule.customURL;	3✔
200	cd.decision = SNTEventStateBlockTeamID;	3✔
201	return cd;	3✔
202	default: break;	×
203	}	×
204	break;	×
205
206	default: break;	×
207	}	10✔
208	}	10✔
209
210	if ([[SNTConfigurator configurator] enableBadSignatureProtection] && csInfoError &&	10!
211	csInfoError.code != errSecCSUnsigned) {	×
212	cd.decisionExtra =	×
213	[NSString stringWithFormat:@"Blocked due to signature error: %ld", (long)csInfoError.code];	×
214	cd.decision = SNTEventStateBlockCertificate;	×
215	return cd;	×
216	}	×
217
218	NSString *msg = [self fileIsScopeBlocked:fileInfo];	10✔
219	if (msg) {	10!
220	cd.decisionExtra = msg;	×
221	cd.decision = SNTEventStateBlockScope;	×
222	return cd;	×
223	}	×
224
225	msg = [self fileIsScopeAllowed:fileInfo];	10✔
226	if (msg) {	10✔
227	cd.decisionExtra = msg;	2✔
228	cd.decision = SNTEventStateAllowScope;	2✔
229	return cd;	2✔
230	}	2✔
231
232	switch (mode) {	8✔
233	case SNTClientModeMonitor: cd.decision = SNTEventStateAllowUnknown; return cd;	3✔
234	case SNTClientModeLockdown: cd.decision = SNTEventStateBlockUnknown; return cd;	4✔
235	default: cd.decision = SNTEventStateBlockUnknown; return cd;	1✔
236	}	8✔
237	}	8✔
238
239	- (nonnull SNTCachedDecision )decisionForFileInfo:(nonnull SNTFileInfo )fileInfo
240	targetProcess:(nonnull const es_process_t *)targetProc
241	entitlementsFilterCallback:
242	(NSDictionary *_Nullable (^_Nonnull)(
243	const char *_Nullable teamID,
244	NSDictionary *_Nullable entitlements))entitlementsFilterCallback {	42✔
245	NSString *signingID;	42✔
246	NSString *teamID;	42✔
247
248	const char *entitlementsFilterTeamID = NULL;	42✔
249
250	if (targetProc->signing_id.length > 0) {	42✔
251	if (targetProc->team_id.length > 0) {	14✔
252	entitlementsFilterTeamID = targetProc->team_id.data;	13✔
253	teamID = [NSString stringWithUTF8String:targetProc->team_id.data];	13✔
254	signingID =	13✔
255	[NSString stringWithFormat:@"%@:%@", teamID,	13✔
256	[NSString stringWithUTF8String:targetProc->signing_id.data]];	13✔
257	} else if (targetProc->is_platform_binary) {	1!
NEW 258	entitlementsFilterTeamID = "platform";	×
259	signingID =	×
260	[NSString stringWithFormat:@"platform:%@",	×
261	[NSString stringWithUTF8String:targetProc->signing_id.data]];	×
262	}	×
263	}	14✔
264
265	return [self decisionForFileInfo:fileInfo	42✔
266	fileSHA256:nil	42✔
267	certificateSHA256:nil	42✔
268	teamID:teamID	42✔
269	signingID:signingID	42✔
270	entitlementsFilterCallback:^NSDictionary (NSDictionary entitlements) {	35✔
271	return entitlementsFilterCallback(entitlementsFilterTeamID, entitlements);	35✔
272	}];	35✔
273	}	42✔
274
275	// Used by `$ santactl fileinfo`.
276	- (nonnull SNTCachedDecision )decisionForFilePath:(nonnull NSString )filePath
277	fileSHA256:(nullable NSString *)fileSHA256
278	certificateSHA256:(nullable NSString *)certificateSHA256
279	teamID:(nullable NSString *)teamID
280	signingID:(nullable NSString *)signingID {	×
281	SNTFileInfo *fileInfo;	×
282	NSError *error;	×
283	fileInfo = [[SNTFileInfo alloc] initWithPath:filePath error:&error];	×
284	if (!fileInfo) LOGW(@"Failed to read file %@: %@", filePath, error.localizedDescription);	×
285	return [self decisionForFileInfo:fileInfo	×
286	fileSHA256:fileSHA256	×
287	certificateSHA256:certificateSHA256	×
288	teamID:teamID	×
NEW 289	signingID:signingID	×
NEW 290	entitlementsFilterCallback:nil];	×
UNCOV 291	}	×
292
293	///
294	/// Checks whether the file at @c path is in-scope for checking with Santa.
295	///
296	/// Files that are out of scope:
297	/// + Non Mach-O files that are not part of an installer package.
298	/// + Files in allowed path.
299	///
300	/// @return @c YES if file is in scope, @c NO otherwise.
301	///
302	- (NSString )fileIsScopeAllowed:(SNTFileInfo )fi {	10✔
303	if (!fi) return nil;	10!
304
305	// Determine if file is within an allowed path
306	NSRegularExpression *re = [[SNTConfigurator configurator] allowedPathRegex];	10✔
307	if ([re numberOfMatchesInString:fi.path options:0 range:NSMakeRange(0, fi.path.length)]) {	10!
308	return @"Allowed Path Regex";	×
309	}	×
310
311	// If file is not a Mach-O file, we're not interested.
312	if (!fi.isMachO) {	10✔
313	return @"Not a Mach-O";	2✔
314	}	2✔
315
316	return nil;	8✔
317	}	8✔
318
319	- (NSString )fileIsScopeBlocked:(SNTFileInfo )fi {	10✔
320	if (!fi) return nil;	10!
321
322	NSRegularExpression *re = [[SNTConfigurator configurator] blockedPathRegex];	10✔
323	if ([re numberOfMatchesInString:fi.path options:0 range:NSMakeRange(0, fi.path.length)]) {	10!
324	return @"Blocked Path Regex";	×
325	}	×
326
327	if ([[SNTConfigurator configurator] enablePageZeroProtection] && fi.isMissingPageZero) {	10!
328	return @"Missing __PAGEZERO";	×
329	}	×
330
331	return nil;	10✔
332	}	10✔
333
334	@end

google / santa / 6851119588

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