2011-08-12 18:08:36 +02:00
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--- BinariesCheck.py
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2008-04-21 18:36:30 +02:00
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+++ BinariesCheck.py
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2011-04-23 11:39:44 +02:00
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@@ -10,13 +10,15 @@
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2011-04-21 12:12:02 +02:00
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import re
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import stat
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+import os
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import rpm
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2011-04-23 11:39:44 +02:00
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-from Filter import addDetails, printError, printWarning
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+from Filter import addDetails, printError, printWarning, printInfo
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2010-10-15 17:16:45 +02:00
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import AbstractCheck
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import Config
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import Pkg
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+import os
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DEFAULT_SYSTEM_LIB_PATHS = (
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2011-08-12 18:08:36 +02:00
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@@ -37,6 +39,9 @@
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2010-01-27 18:18:50 +01:00
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unused_regex = re.compile('^\s+(\S+)')
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2009-03-13 16:06:45 +01:00
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exit_call_regex = re.compile('\s+FUNC\s+.*?\s+(_?exit(?:@\S+)?)(?:\s|$)')
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fork_call_regex = re.compile('\s+FUNC\s+.*?\s+(fork(?:@\S+)?)(?:\s|$)')
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2008-04-21 18:36:30 +02:00
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+ debuginfo_regex=re.compile('^\s+\[\s*\d+\]\s+\.debug_.*\s+')
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+ symtab_regex=re.compile('^\s+\[\s*\d+\]\s+\.symtab\s+')
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2010-05-03 23:18:30 +02:00
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+ gethostbyname_call_regex = re.compile('\s+FUNC\s+.*?\s+(gethostbyname(?:@\S+)?)(?:\s|$)')
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2008-04-21 18:36:30 +02:00
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2009-03-13 16:06:45 +01:00
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def __init__(self, pkg, path, file, is_ar, is_shlib):
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2009-09-16 18:41:21 +02:00
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self.readelf_error = False
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2011-08-12 18:08:36 +02:00
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@@ -50,7 +55,10 @@
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2010-05-03 23:18:30 +02:00
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self.stack = False
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2009-09-16 18:41:21 +02:00
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self.exec_stack = False
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2009-03-13 16:06:45 +01:00
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self.exit_calls = []
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2010-05-03 23:18:30 +02:00
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+ self.calls_gethostbyname = False
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2009-09-16 18:41:21 +02:00
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fork_called = False
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2009-03-13 16:06:45 +01:00
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+ self.debuginfo = 0
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2008-04-21 18:36:30 +02:00
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+ self.symtab=0
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2009-03-13 16:06:45 +01:00
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self.tail = ''
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2008-04-21 18:36:30 +02:00
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2010-01-27 18:18:50 +01:00
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is_debug = path.endswith('.debug')
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2011-08-12 18:08:36 +02:00
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@@ -93,6 +101,11 @@
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2010-05-03 23:18:30 +02:00
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self.exec_stack = True
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continue
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+ r = BinaryInfo.gethostbyname_call_regex.search(l)
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+ if r:
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+ self.calls_gethostbyname = True
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+ continue
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+
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if is_shlib:
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r = BinaryInfo.exit_call_regex.search(l)
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if r:
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2011-08-12 18:08:36 +02:00
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@@ -103,6 +116,14 @@
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2009-09-16 18:41:21 +02:00
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fork_called = True
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2009-03-13 16:06:45 +01:00
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continue
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2008-06-25 19:08:32 +02:00
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+ if BinaryInfo.debuginfo_regex.search(l):
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+ self.debuginfo=1
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+ continue
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+
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+ if BinaryInfo.symtab_regex.search(l):
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+ self.symtab=1
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+ continue
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+
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2008-04-21 18:36:30 +02:00
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if self.non_pic:
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2010-01-27 18:18:50 +01:00
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self.non_pic = 'TEXTREL' in res[1]
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2009-03-13 16:06:45 +01:00
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2011-08-12 18:08:36 +02:00
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@@ -274,13 +295,26 @@
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2011-04-21 12:12:02 +02:00
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continue
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# stripped ?
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- if 'not stripped' in pkgfile.magic:
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+ if 'not stripped' in pkgfile.magic and \
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+ (os.environ.get('BUILD_DIR', '') == '' or
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+ os.environ.get('BUILD_DEBUG', '') != ''):
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printWarning(pkg, 'unstripped-binary-or-object', fname)
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# inspect binary file
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2010-10-14 14:32:03 +02:00
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is_shlib = so_regex.search(fname)
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bin_info = BinaryInfo(pkg, pkgfile.path, fname, is_ar, is_shlib)
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2008-06-25 19:08:32 +02:00
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2010-10-14 14:32:03 +02:00
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+ # stripped static library
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+ if is_ar:
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+ if bin_info.readelf_error:
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+ pass
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+ elif not bin_info.symtab:
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+ printError(pkg, 'static-library-without-symtab', fname)
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+ elif not bin_info.debuginfo and \
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2011-04-21 12:12:02 +02:00
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+ (os.environ.get('BUILD_DIR', '') == '' or \
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+ os.environ.get('BUILD_DEBUG','') != ''):
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2010-10-14 14:32:03 +02:00
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+ printWarning(pkg, 'static-library-without-debuginfo', fname)
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2008-06-25 19:08:32 +02:00
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+
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2010-10-14 14:32:03 +02:00
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if is_shlib:
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has_lib = True
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2010-05-03 23:18:30 +02:00
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2011-08-12 18:08:36 +02:00
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@@ -330,6 +364,10 @@
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2010-10-14 14:32:03 +02:00
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for ec in bin_info.exit_calls:
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printWarning(pkg, 'shared-lib-calls-exit', fname, ec)
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2011-04-21 12:12:02 +02:00
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+ # gethostbyname ?
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2010-10-14 14:32:03 +02:00
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+ if bin_info.calls_gethostbyname:
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2011-04-21 12:12:02 +02:00
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+ printInfo(pkg, 'binary-or-shlib-calls-gethostbyname', fname)
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2010-05-03 23:18:30 +02:00
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+
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2010-10-14 14:32:03 +02:00
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# rpath ?
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if bin_info.rpath:
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for p in bin_info.rpath:
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2011-08-12 18:08:36 +02:00
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@@ -524,6 +562,14 @@
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2008-04-21 18:36:30 +02:00
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'ldd-failed',
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'''Executing ldd on this file failed, all checks could not be run.''',
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2008-06-25 19:08:32 +02:00
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2008-04-21 18:36:30 +02:00
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+'static-library-without-symtab',
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+'''The static library doesn't contain any symbols and therefore can't be linked
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+against. This may indicated that it was strip.''',
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+
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+'static-library-without-debuginfo',
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+'''The static library doesn't contain any debuginfo. Binaries linking against
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+this static library can't be properly debugged.''',
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2008-06-25 19:08:32 +02:00
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+
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'executable-stack',
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'''The binary declares the stack as executable. Executable stack is usually an
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error as it is only needed if the code contains GCC trampolines or similar
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2011-08-12 18:08:36 +02:00
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@@ -536,6 +582,10 @@
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2010-05-03 23:18:30 +02:00
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make the stack executable. Usual suspects include use of a non-GNU linker or
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an old GNU linker version.''',
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+'binary-or-shlib-calls-gethostbyname',
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+'''The binary calls gethostbyname(). Please port the code to use
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+getaddrinfo().''',
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+
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'shared-lib-calls-exit',
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'''This library package calls exit() or _exit(), probably in a non-fork()
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context. Doing so from a library is strongly discouraged - when a library
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2011-08-12 18:08:36 +02:00
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@@ -554,6 +604,12 @@
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2011-04-21 12:12:02 +02:00
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placing a blacklist file in /etc/prelink.conf.d. For more information, see
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http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=256900#49''',
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2011-08-12 18:08:36 +02:00
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2011-04-21 12:12:02 +02:00
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+'unstripped-binary-or-object',
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+'''stripping debug info from binaries happens automatically according to global
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+project settings. So there's normally no need to manually strip binaries.
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+Left over unstripped binaries could therefore indicate a bug in the automatic
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+stripping process.''',
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2011-08-12 18:08:36 +02:00
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+
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'non-position-independent-executable',
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'''This executable must be position independent. Check that it is built with
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-fPIE/-fpie in compiler flags and -pie in linker flags.''',
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