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-rwxr-xr-xscripts/pstage-scanner127
1 files changed, 127 insertions, 0 deletions
diff --git a/scripts/pstage-scanner b/scripts/pstage-scanner
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1#!/usr/bin/env python
2
3##
4## This script will scan all of the packages in ${OEROOT}/pstage (or argv[1])
5## in search of packages which install files outside of their native sysroot
6##
7
8import os, sys, tarfile, shutil
9import subprocess as sub
10
11logf = ""
12pcount = 0
13ecount = 0
14
15def main():
16 """Generate a list of pstage packages and scan them for badness"""
17 package_list = []
18
19 ## First we walk the pstage directory, let's assume we're running from
20 ## a sibling of pstage (i.e. scripts) if no path defined
21 try:
22 path = sysv.arg[1]
23 except:
24 path = os.path.join(os.environ.get("OEROOT"), "pstage")
25
26 if len(path) < 1 or not os.path.exists(path):
27 path = os.path.join(os.environ.get("OEROOT"), "pstage")
28
29 global logf
30 try:
31 logf = sys.argv[2]
32 except:
33 logf = os.path.join(path, "pstage-scanner.log")
34
35 ## Create a working directory
36 tempdir = os.path.join(path, "tmp")
37 os.mkdir(tempdir)
38
39 ## Iterate each child of the target directory looking for .ipk files and
40 ## building a list of files to process
41 for root, dirs, files in os.walk(path):
42 for d in dirs:
43 for f in os.listdir(os.path.join(root,d)):
44 if os.path.splitext(f)[1] == ".ipk" and f.find("native") == -1 and f.find("cross") == -1:
45 package_list.append(os.path.join(root,d,f))
46
47 ## Next we iterate our built list of files and process each package
48 for pkg in package_list:
49 tmp = os.path.join(tempdir, os.path.splitext(os.path.split(pkg)[1])[0])
50 os.mkdir(tmp)
51 scan_package(pkg, tmp)
52
53 ## Tidy up working directory
54 shutil.rmtree(tempdir)
55
56 ## Report a summary
57 log("Finished scanning packaged staging. Scanned %i packages with %i errors" % (pcount, ecount))
58
59def scan_package(filepath, parentdir):
60 """Helper method to do bookkeeping, passes all installable directories to
61 scan_dir which does the actual scanning."""
62 os.chdir(parentdir)
63
64 ## increment the package count, for the summary
65 global pcount
66 pcount += 1
67
68 ## An ipk file is an ar archive containing two gzipped tarball directories
69 ## data.tar.gz is inflated to / and contains the actual files
70 ## control.tar.gz is metadata and scripts for the package
71 ## The archive also contains a file, debian binary, which is unused
72 ## Python can't handle ar archives ootb. So we cheat and inflate with
73 ## the ar program on the host
74 sub.call(["ar", "x", filepath])
75
76 ## The things we care about are in data.tar.gz
77 tgz = tarfile.open(os.path.join(parentdir, "data.tar.gz"))
78 dest = os.path.join(parentdir, "inflate")
79 os.mkdir(dest)
80 tgz.extractall(dest)
81
82 ## We want to know the target arch so that we can ensure the package is
83 ## only installing into its target sysroot
84 arch = os.path.splitext(os.path.basename(filepath))[0].split("_")[-1]
85 if arch == "64":
86 arch = "x86_64"
87
88 ## The ignored list contains directories we don't care to scan
89 ignored = ["pkgdata", "stamps", "deploy"]
90
91 ## Scan the package for badness
92 pname = os.path.split(filepath)[1]
93 for di in os.listdir(dest):
94 if di not in ignored:
95 scan_dir(os.path.join(dest, di), arch, pname)
96
97def scan_dir (directory, arch, package_name):
98 """Scan the contents of directory for things installing outside of native
99 sysroot"""
100
101 global ecount
102 msg = ""
103
104 head, tail = os.path.split(directory)
105 if not tail == "sysroots":
106 msg += "Tsk tsk, installing to " + tail + "\n"
107 for d in os.listdir(directory):
108 msg += "Installing %s in %s" % (d, tail) + "\n"
109 ecount += 1
110 else:
111 for d in os.listdir(directory):
112 if not d.startswith(arch) and d.find("fixmepath") == -1:
113 msg += "Tsk tsk, installing into non-native sysroot " + os.path.join(directory, d)
114 ecount += 1
115
116 if len(msg) > 0:
117 log("Scanning package " + package_name + "\n" + msg)
118
119def log (message):
120 global logf
121 logfile = open (logf, 'a+')
122 logfile.write(message + "\n")
123 print "LOG: " + message
124 logfile.close()
125
126if __name__ == "__main__":
127 main()