1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
#!/usr/bin/env python3
# Copyright (c) 2020-2022 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
'''
Test script for symbol-check.py
'''
import os
import subprocess
import unittest
from utils import determine_wellknown_cmd
def call_symbol_check(cc: list[str], source, executable, options):
# This should behave the same as AC_TRY_LINK, so arrange well-known flags
# in the same order as autoconf would.
#
# See the definitions for ac_link in autoconf's lib/autoconf/c.m4 file for
# reference.
env_flags: list[str] = []
for var in ['CFLAGS', 'CPPFLAGS', 'LDFLAGS']:
env_flags += filter(None, os.environ.get(var, '').split(' '))
subprocess.run([*cc,source,'-o',executable] + env_flags + options, check=True)
p = subprocess.run([os.path.join(os.path.dirname(__file__), 'symbol-check.py'), executable], stdout=subprocess.PIPE, text=True)
os.remove(source)
os.remove(executable)
return (p.returncode, p.stdout.rstrip())
class TestSymbolChecks(unittest.TestCase):
def test_ELF(self):
source = 'test1.c'
executable = 'test1'
cc = determine_wellknown_cmd('CC', 'gcc')
# -lutil is part of the libc6 package so a safe bet that it's installed
# it's also out of context enough that it's unlikely to ever become a real dependency
source = 'test2.c'
executable = 'test2'
with open(source, 'w', encoding="utf8") as f:
f.write('''
#include <utmp.h>
int main()
{
login(0);
return 0;
}
''')
self.assertEqual(call_symbol_check(cc, source, executable, ['-lutil']),
(1, executable + ': libutil.so.1 is not in ALLOWED_LIBRARIES!\n' +
executable + ': failed LIBRARY_DEPENDENCIES'))
# finally, check a simple conforming binary
source = 'test3.c'
executable = 'test3'
with open(source, 'w', encoding="utf8") as f:
f.write('''
#include <stdio.h>
int main()
{
printf("42");
return 0;
}
''')
self.assertEqual(call_symbol_check(cc, source, executable, []),
(0, ''))
def test_MACHO(self):
source = 'test1.c'
executable = 'test1'
cc = determine_wellknown_cmd('CC', 'clang')
with open(source, 'w', encoding="utf8") as f:
f.write('''
#include <expat.h>
int main()
{
XML_ExpatVersion();
return 0;
}
''')
self.assertEqual(call_symbol_check(cc, source, executable, ['-lexpat', '-Wl,-platform_version','-Wl,macos', '-Wl,11.4', '-Wl,11.4']),
(1, 'libexpat.1.dylib is not in ALLOWED_LIBRARIES!\n' +
f'{executable}: failed DYNAMIC_LIBRARIES MIN_OS SDK'))
source = 'test2.c'
executable = 'test2'
with open(source, 'w', encoding="utf8") as f:
f.write('''
#include <CoreGraphics/CoreGraphics.h>
int main()
{
CGMainDisplayID();
return 0;
}
''')
self.assertEqual(call_symbol_check(cc, source, executable, ['-framework', 'CoreGraphics', '-Wl,-platform_version','-Wl,macos', '-Wl,11.4', '-Wl,11.4']),
(1, f'{executable}: failed MIN_OS SDK'))
source = 'test3.c'
executable = 'test3'
with open(source, 'w', encoding="utf8") as f:
f.write('''
int main()
{
return 0;
}
''')
self.assertEqual(call_symbol_check(cc, source, executable, ['-Wl,-platform_version','-Wl,macos', '-Wl,11.0', '-Wl,11.4']),
(1, f'{executable}: failed SDK'))
def test_PE(self):
source = 'test1.c'
executable = 'test1.exe'
cc = determine_wellknown_cmd('CC', 'x86_64-w64-mingw32-gcc')
with open(source, 'w', encoding="utf8") as f:
f.write('''
#include <pdh.h>
int main()
{
PdhConnectMachineA(NULL);
return 0;
}
''')
self.assertEqual(call_symbol_check(cc, source, executable, ['-lpdh', '-Wl,--major-subsystem-version', '-Wl,6', '-Wl,--minor-subsystem-version', '-Wl,1']),
(1, 'pdh.dll is not in ALLOWED_LIBRARIES!\n' +
executable + ': failed DYNAMIC_LIBRARIES'))
source = 'test2.c'
executable = 'test2.exe'
with open(source, 'w', encoding="utf8") as f:
f.write('''
int main()
{
return 0;
}
''')
self.assertEqual(call_symbol_check(cc, source, executable, ['-Wl,--major-subsystem-version', '-Wl,9', '-Wl,--minor-subsystem-version', '-Wl,9']),
(1, executable + ': failed SUBSYSTEM_VERSION'))
source = 'test3.c'
executable = 'test3.exe'
with open(source, 'w', encoding="utf8") as f:
f.write('''
#include <combaseapi.h>
int main()
{
CoFreeUnusedLibrariesEx(0,0);
return 0;
}
''')
self.assertEqual(call_symbol_check(cc, source, executable, ['-lole32', '-Wl,--major-subsystem-version', '-Wl,6', '-Wl,--minor-subsystem-version', '-Wl,1']),
(0, ''))
if __name__ == '__main__':
unittest.main()
|
