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
|
#!/usr/bin/env python
#
# This is be used to verify that all the dependant libraries of a Mac OS X executable
# are present and that they are backwards compatible with at least 10.5.
# Run with an executable as parameter
# Will return 0 if the executable an all libraries are OK
# Returns != 0 and prints some textural description on error
#
# Author: Marius Kintel <marius@kintel.net>
#
# This script lives here:
# https://github.com/kintel/MacOSX-tools
#
import sys
import os
import subprocess
import re
DEBUG = False
cxxlib = None
def usage():
print >> sys.stderr, "Usage: " + sys.argv[0] + " <executable>"
sys.exit(1)
# Try to find the given library by searching in the typical locations
# Returns the full path to the library or None if the library is not found.
def lookup_library(file):
found = None
if not re.match("/", file):
if re.search("@rpath", file):
file = re.sub("^@rpath", lc_rpath, file)
if os.path.exists(file): found = file
if DEBUG: print "Lib in @rpath found: " + str(file)
if (not found):
if re.search("@executable_path", file):
abs = re.sub("^@executable_path", executable_path, file)
if os.path.exists(abs): found = abs
if DEBUG: print "Lib in @executable_path found: " + str(found)
elif re.search("\.app/", file):
found = file
if DEBUG: print "App found: " + str(found)
elif re.search("\.framework/", file):
found = os.path.join("/Library/Frameworks", file)
if DEBUG: print "Framework found: " + str(found)
else:
for path in os.getenv("DYLD_LIBRARY_PATH").split(':'):
abs = os.path.join(path, file)
if os.path.exists(abs): found = abs
if DEBUG: print "Library found: " + str(found)
else:
found = file
return found
# Returns a list of dependent libraries, excluding system libs
def find_dependencies(file):
libs = []
args = ["otool", "-L", file]
if DEBUG: print "Executing " + " ".join(args)
p = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
output,err = p.communicate()
if p.returncode != 0:
print "Failed with return code " + str(p.returncode) + ":"
print err
return None
deps = output.split('\n')
for dep in deps:
# print dep
# Fail if libstc++ and libc++ was mixed
global cxxlib
match = re.search("lib(std)?c\+\+", dep)
if match:
if not cxxlib:
cxxlib = match.group(0)
else:
if cxxlib != match.group(0):
print "Error: Mixing libc++ and libstdc++"
return None
dep = re.sub(".*:$", "", dep) # Take away header line
dep = re.sub("^\t", "", dep) # Remove initial tabs
dep = re.sub(" \(.*\)$", "", dep) # Remove trailing parentheses
if len(dep) > 0 and not re.search("/System/Library", dep) and not re.search("/usr/lib", dep):
libs.append(dep)
return libs
def validate_lib(lib):
p = subprocess.Popen(["otool", "-l", lib], stdout=subprocess.PIPE)
output = p.communicate()[0]
if p.returncode != 0: return False
# Check deployment target
m = re.search("LC_VERSION_MIN_MACOSX.*\n(.*)\n\s+version (.*)", output, re.MULTILINE)
deploymenttarget = float(m.group(2))
if deploymenttarget > 10.7:
print "Error: Unsupported deployment target " + m.group(2) + " found: " + lib
return False
# We don't support Snow Leopard anymore
# if re.search("LC_DYLD_INFO_ONLY", output):
# print "Error: Requires Snow Leopard: " + lib
# return False
p = subprocess.Popen(["lipo", lib, "-verify_arch", "x86_64"], stdout=subprocess.PIPE)
output = p.communicate()[0]
if p.returncode != 0:
print "Error: x86_64 architecture not supported: " + lib
return False
# We don't support 32-bit binaries anymore
# p = subprocess.Popen(["lipo", lib, "-verify_arch", "i386"], stdout=subprocess.PIPE)
# output = p.communicate()[0]
# if p.returncode != 0:
# print "Error: i386 architecture not supported: " + lib
# return False
return True
if __name__ == '__main__':
error = False
if len(sys.argv) != 2: usage()
executable = sys.argv[1]
if DEBUG: print "Processing " + executable
executable_path = os.path.dirname(executable)
# Find the Runpath search path (LC_RPATH)
p = subprocess.Popen(["otool", "-l", executable], stdout=subprocess.PIPE)
output = p.communicate()[0]
if p.returncode != 0:
print 'Error otool -l failed on main executable'
sys.exit(1)
# Check deployment target
m = re.search("LC_RPATH\n(.*)\n\s+path ([^ ]+)", output, re.MULTILINE)
lc_rpath = m.group(2)
if DEBUG: print 'Runpath search path: ' + lc_rpath
# processed is a dict {libname : [parents]} - each parent is dependant on libname
processed = {}
pending = [executable]
processed[executable] = []
while len(pending) > 0:
dep = pending.pop()
if DEBUG: print "Evaluating " + dep
deps = find_dependencies(dep)
# if DEBUG: print "Deps: " + ' '.join(deps)
assert(deps)
for d in deps:
absfile = lookup_library(d)
if absfile == None:
print "Not found: " + d
print " ..required by " + str(processed[dep])
error = True
continue
if not re.match(executable_path, absfile):
print "Error: External dependency " + d
sys.exit(1)
if absfile in processed:
processed[absfile].append(dep)
else:
processed[absfile] = [dep]
if DEBUG: print "Pending: " + absfile
pending.append(absfile)
for dep in processed:
if DEBUG: print "Validating: " + dep
# print " " + str(processed[dep])
if not validate_lib(dep):
print "..required by " + str(processed[dep])
error = True
if error: sys.exit(1)
else: sys.exit(0)
|
