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#!/usr/bin/python3
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#
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# Copyright 2017 Peter Jones <Peter Jones@random>
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#
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# Distributed under terms of the GPLv3 license.
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"""
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mock plugin to make sure pesign and mockbuild users have the right uid and
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gid.
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"""
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from mockbuild.trace_decorator import getLog, traceLog
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import mockbuild.util
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requires_api_version = "1.1"
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@traceLog()
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def init(plugins, conf, buildroot):
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""" hello """
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Pesign(plugins, conf, buildroot)
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def getuid(name):
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""" get a uid for a user name """
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output = mockbuild.util.do(["getent", "passwd", "%s" % (name,)],
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returnOutput=1, printOutput=True)
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output = output.split(':')
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return output[2], output[3]
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def getgid(name):
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""" get a gid for a group name """
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output = mockbuild.util.do(["getent", "group", "%s" % (name,)],
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returnOutput=1, printOutput=True)
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return output.split(':')[2]
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def newgroup(name, gid, rootdir):
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""" create a group with a gid """
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getLog().info("creating group %s with gid %s" % (name, gid))
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mockbuild.util.do(["groupadd",
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"-g", "%s" % (gid,),
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"-R", "%s" % (rootdir,),
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"%s" % (name,),
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])
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def newuser(name, uid, gid, rootdir):
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""" create a user with a uid """
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getLog().info("creating user %s with uid %s" % (name, uid))
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mockbuild.util.do(["useradd",
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"-u", "%s" % (uid,),
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"-g", "%s" % (gid,),
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"-R", "%s" % (rootdir,),
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"%s" % (name,)])
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class Pesign(object):
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""" Creates some stuff in our mock root """
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# pylint: disable=too-few-public-methods
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@traceLog()
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def __init__(self, plugins, conf, buildroot):
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""" Effectively we're doing:
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getent group pesign >/dev/null || groupadd -r pesign
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getent passwd pesign >/dev/null || \
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useradd -r -g pesign -d /var/run/pesign -s /sbin/nologin \
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-c "Group for the pesign signing daemon" pesign
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"""
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self.buildroot = buildroot
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self.pesign_opts = conf
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self.config = buildroot.config
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self.state = buildroot.state
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self.users = {}
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self.groups = {}
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plugins.add_hook("postinit", self._pesignPostInitHook)
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@traceLog()
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def _pesignPostInitHook(self):
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""" find our uid and gid lists """
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for user in self.pesign_opts['users']:
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uid, gid = getuid(user)
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self.users[user] = [user, uid, gid]
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for group in self.pesign_opts['groups']:
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gid = getgid(group)
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self.groups[group] = [group, gid]
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# create our users
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rootdir = self.buildroot.make_chroot_path()
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for name, gid in self.groups.values():
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newgroup(name, gid, rootdir)
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for name, uid, gid in self.users.values():
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newuser(name, uid, gid, rootdir)
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# -*- coding: utf-8 -*-
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# vim:fenc=utf-8:tw=75
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