3094764621

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github

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Pull Request Pull Request #888: ES and Logging Interfaces Redesign

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93.42

/Source/common/TestUtils.mm

/// Copyright 2022 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.

#include "Source/common/TestUtils.h"

#include <EndpointSecurity/ESTypes.h>
#include <dispatch/dispatch.h>
#include <mach/mach_time.h>
#include <time.h>

audit_token_t MakeAuditToken(pid_t pid, pid_t pidver) {
  return audit_token_t{
    .val =
      {
        0,
        NOBODY_UID,
        NOBODY_GID,
        NOBODY_UID,
        NOBODY_GID,
        (unsigned int)pid,
        0,
        (unsigned int)pidver,
      },
  };
}

struct stat MakeStat(ino_t ino, dev_t devno) {
  return (struct stat){
    .st_dev = devno,
    .st_ino = ino,
  };
}

es_string_token_t MakeESStringToken(const char *s) {
  return es_string_token_t{
    .length = strlen(s),
    .data = s,
  };
}

es_file_t MakeESFile(const char *path, struct stat sb) {
  return es_file_t{
    .path = MakeESStringToken(path),
    .path_truncated = false,
    .stat = sb,
  };
}

es_process_t MakeESProcess(es_file_t *file, audit_token_t tok, audit_token_t parent_tok) {
  return es_process_t{
    .audit_token = tok,
    .ppid = audit_token_to_pid(parent_tok),
    .original_ppid = audit_token_to_pid(parent_tok),
    .executable = file,
    .parent_audit_token = parent_tok,
  };
}

static uint64_t AddMillisToMachTime(uint64_t ms, uint64_t machTime) {
  static dispatch_once_t onceToken;
  static mach_timebase_info_data_t timebase;

  dispatch_once(&onceToken, ^{
    mach_timebase_info(&timebase);
  });

  // Convert given machTime to nanoseconds
  uint64_t nanoTime = machTime * timebase.numer / timebase.denom;

  // Add the ms offset
  nanoTime += (ms * NSEC_PER_MSEC);

  // Convert back to machTime
  return nanoTime * timebase.denom / timebase.numer;
}

es_message_t MakeESMessage(es_event_type_t et, es_process_t *proc, ActionType action_type,
                           uint64_t future_deadline_ms) {
  return es_message_t{
    .deadline = AddMillisToMachTime(future_deadline_ms, mach_absolute_time()),
    .process = proc,
    .action_type =
      (action_type == ActionType::Notify) ? ES_ACTION_TYPE_NOTIFY : ES_ACTION_TYPE_AUTH,
    .event_type = et,
  };
}

void SleepMS(long ms) {
  struct timespec ts {
    .tv_sec = ms / 1000, .tv_nsec = (long)((ms % 1000) * NSEC_PER_MSEC),
  };

  while (nanosleep(&ts, &ts) != 0) {
    XCTAssertEqual(errno, EINTR);
  }
}

1	/// Copyright 2022 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	#include "Source/common/TestUtils.h"
16
17	#include <EndpointSecurity/ESTypes.h>
18	#include <dispatch/dispatch.h>
19	#include <mach/mach_time.h>
20	#include <time.h>
21
22	audit_token_t MakeAuditToken(pid_t pid, pid_t pidver) {	56✔
23	return audit_token_t{	56✔
24	.val =	56✔
25	{	56✔
26	0,	56✔
27	NOBODY_UID,	56✔
28	NOBODY_GID,	56✔
29	NOBODY_UID,	56✔
30	NOBODY_GID,	56✔
31	(unsigned int)pid,	56✔
32	0,	56✔
33	(unsigned int)pidver,	56✔
34	},	56✔
35	};	56✔
36	}	56✔
37
38	struct stat MakeStat(ino_t ino, dev_t devno) {	3✔
39	return (struct stat){	3✔
40	.st_dev = devno,	3✔
41	.st_ino = ino,	3✔
42	};	3✔
43	}	3✔
44
45	es_string_token_t MakeESStringToken(const char *s) {	106✔
46	return es_string_token_t{	106✔
47	.length = strlen(s),	106✔
48	.data = s,	106✔
49	};	106✔
50	}	106✔
51
52	es_file_t MakeESFile(const char *path, struct stat sb) {	103✔
53	return es_file_t{	103✔
54	.path = MakeESStringToken(path),	103✔
55	.path_truncated = false,	103✔
56	.stat = sb,	103✔
57	};	103✔
58	}	103✔
59
60	es_process_t MakeESProcess(es_file_t *file, audit_token_t tok, audit_token_t parent_tok) {	82✔
61	return es_process_t{	82✔
62	.audit_token = tok,	82✔
63	.ppid = audit_token_to_pid(parent_tok),	82✔
64	.original_ppid = audit_token_to_pid(parent_tok),	82✔
65	.executable = file,	82✔
66	.parent_audit_token = parent_tok,	82✔
67	};	82✔
68	}	82✔
69
70	static uint64_t AddMillisToMachTime(uint64_t ms, uint64_t machTime) {	64✔
71	static dispatch_once_t onceToken;	64✔
72	static mach_timebase_info_data_t timebase;	64✔
73
74	dispatch_once(&onceToken, ^{	9✔
75	mach_timebase_info(&timebase);	9✔
76	});	9✔
77
78	// Convert given machTime to nanoseconds
79	uint64_t nanoTime = machTime * timebase.numer / timebase.denom;	64✔
80
81	// Add the ms offset
82	nanoTime += (ms * NSEC_PER_MSEC);	64✔
83
84	// Convert back to machTime
85	return nanoTime * timebase.denom / timebase.numer;	64✔
86	}	64✔
87
88	es_message_t MakeESMessage(es_event_type_t et, es_process_t *proc, ActionType action_type,
89	uint64_t future_deadline_ms) {	64✔
90	return es_message_t{	64✔
91	.deadline = AddMillisToMachTime(future_deadline_ms, mach_absolute_time()),	64✔
92	.process = proc,	64✔
93	.action_type =	64✔
94	(action_type == ActionType::Notify) ? ES_ACTION_TYPE_NOTIFY : ES_ACTION_TYPE_AUTH,	64✔
95	.event_type = et,	64✔
96	};	64✔
97	}	64✔
98
99	void SleepMS(long ms) {	5✔
100	struct timespec ts {	5✔
101	.tv_sec = ms / 1000, .tv_nsec = (long)((ms % 1000) * NSEC_PER_MSEC),	5✔
102	};	5✔
103
104	while (nanosleep(&ts, &ts) != 0) {	5!
105	XCTAssertEqual(errno, EINTR);	×
106	}	×
107	}	5✔

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