272ec190c7
I fixed a lot of bugs with copying files to the initrd, and getting the symlinks. Also I moved some of the code around, to get a clearer flow.
89 lines
2.4 KiB
Python
89 lines
2.4 KiB
Python
#
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# ldd.py
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# library dependencies
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#
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# Copyright (C) 2009 Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# Red Hat Author(s): Martin Gracik <mgracik@redhat.com>
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#
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import os
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import re
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import commands
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class LDD(object):
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def __init__(self, libroots=["/lib", "/usr/lib"]):
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f = open("/usr/bin/ldd", "r")
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for line in f.readlines():
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line = line.strip()
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if line.startswith("RTLDLIST="):
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rtldlist, sep, ld_linux = line.partition("=")
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break
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f.close()
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self._lddcmd = "LD_LIBRARY_PATH=%s %s --list" % (":".join(libroots),
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ld_linux)
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pattern = r"^([a-zA-Z0-9.]*\s=>\s)(?P<lib>[a-zA-Z0-9./-]*)\s\(0x[0-9a-f]*\)$"
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self.pattern = re.compile(pattern)
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self._deps = set()
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self._errors = []
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def is_elf(self, filename):
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cmd = "file --brief %s" % (filename)
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err, out = commands.getstatusoutput(cmd)
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if err:
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return False
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if not out.split()[0] == "ELF":
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return False
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return True
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def getDeps(self, filename):
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# skip no elf files
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if not self.is_elf(filename):
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return
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cmd = "%s %s" % (self._lddcmd, filename)
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err, out = commands.getstatusoutput(cmd)
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if err:
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self._errors.append((filename, out))
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return
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lines = out.splitlines()
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for line in lines:
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line = line.strip()
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m = self.pattern.match(line)
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if m:
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lib = m.group("lib")
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if lib not in self._deps:
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self._deps.add(lib)
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self.getDeps(lib)
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@property
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def deps(self):
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return self._deps
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@property
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def errors(self):
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return self._errors
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