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Merge branch 'meson-install-no-dbus-user' into 'master'

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Handle missing user when installing setuid in meson_post_install.py

Closes #492

See merge request dbus/dbus!457
This commit is contained in:
Simon McVittie 2024-10-01 16:40:32 +00:00
commit b2b34b75ae
1 changed files with 25 additions and 1 deletions
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26
meson_post_install.py
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@ -88,11 +88,35 @@ def post_install_exe():
daemon_launch_helper = get_target('dbus-daemon-launch-helper')
if daemon_launch_helper:
import grp
import pwd
exe_name = os.path.basename(daemon_launch_helper['install_filename'][0])
exe_path = abs_libexecdir / exe_name
dbus_user = get_option('dbus_user')
if os.getuid() == 0:
os.chown(exe_path, 0, grp.getgrnam(dbus_user).gr_gid)
dbus_user_data = None
try:
dbus_user_data = pwd.getpwnam(dbus_user)
except KeyError:
print('Not installing {0} binary setuid!'.format(exe_path))
print('The dbus_user {0} does not exist!'.format(dbus_user))
return
dbus_group_data = None
try:
dbus_group_data = grp.getgrgid(dbus_user_data.pw_gid)
except KeyError:
print('Not installing {0} binary setuid!'.format(exe_path))
print('The dbus_user\'s primary group {0} does not exist!'.format(dbus_user))
return
if len(dbus_group_data.gr_mem) > 1:
print('Not installing {0} binary setuid!'.format(exe_path))
print('The dbus_user\'s primary group {0} contains {1} members when it '
'should only contain one!'
.format(dbus_user, len(dbus_group_data.gr_mem)))
return
os.chown(exe_path, 0, dbus_user_data.pw_gid)
os.chmod(exe_path, stat.S_ISUID | stat.S_IXUSR | stat.S_IXGRP)
else:
print('Not installing {0} binary setuid!'.format(exe_path))