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meson: print warnings if the "nobody" user/group name is not compatible with the local system

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At least on Fedora and Debian systems this not obvious to get right,
hence warn.
This commit is contained in:
Lennart Poettering 2017-12-05 11:00:24 +01:00
parent 66d73cc728
commit afde45740f
1 changed files with 45 additions and 4 deletions
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49
meson.build
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@ -640,8 +640,49 @@ conf.set('CONTAINER_UID_BASE_MAX', container_uid_base_max)
substs.set('containeruidbasemin', container_uid_base_min)
substs.set('containeruidbasemax', container_uid_base_max)
conf.set_quoted('NOBODY_USER_NAME', get_option('nobody-user'))
conf.set_quoted('NOBODY_GROUP_NAME', get_option('nobody-group'))
nobody_user = get_option('nobody-user')
nobody_group = get_option('nobody-group')
getent_result = run_command('getent', 'passwd', '65534')
if getent_result.returncode() == 0
name = getent_result.stdout().split(':')[0]
if name != nobody_user
message('WARNING:\n' +
' The local user with the UID 65534 does not match the configured user name "@0@" of the nobody user (its name is @1@).\n'.format(nobody_user, name) +
' Your build will result in an user table setup that is incompatible with the local system.')
endif
endif
id_result = run_command('id', '-u', nobody_user)
if id_result.returncode() == 0
id = id_result.stdout().to_int()
if id != 65534
message('WARNING:\n' +
' The local user with the configured user name "@0@" of the nobody user does not have UID 65534 (it has @1@).\n'.format(nobody_user, id) +
' Your build will result in an user table setup that is incompatible with the local system.')
endif
endif
getent_result = run_command('getent', 'group', '65534')
if getent_result.returncode() == 0
name = getent_result.stdout().split(':')[0]
if name != nobody_group
message('WARNING:\n' +
' The local group with the GID 65534 does not match the configured group name "@0@" of the nobody group (its name is @1@).\n'.format(nobody_group, name) +
' Your build will result in an group table setup that is incompatible with the local system.')
endif
endif
id_result = run_command('id', '-g', nobody_group)
if id_result.returncode() == 0
id = id_result.stdout().to_int()
if id != 65534
message('WARNING:\n' +
' The local group with the configured group name "@0@" of the nobody group does not have UID 65534 (it has @1@).\n'.format(nobody_group, id) +
' Your build will result in an group table setup that is incompatible with the local system.')
endif
endif
conf.set_quoted('NOBODY_USER_NAME', nobody_user)
conf.set_quoted('NOBODY_GROUP_NAME', nobody_group)
tty_gid = get_option('tty-gid')
conf.set('TTY_GID', tty_gid)
@ -2528,8 +2569,8 @@ status = [
'render group access mode: @0@'.format(get_option('group-render-mode')),
'certificate root directory: @0@'.format(get_option('certificate-root')),
'support URL: @0@'.format(support_url),
'nobody user name: @0@'.format(get_option('nobody-user')),
'nobody group name: @0@'.format(get_option('nobody-group')),
'nobody user name: @0@'.format(nobody_user),
'nobody group name: @0@'.format(nobody_group),
'fallback hostname: @0@'.format(get_option('fallback-hostname')),
'symbolic gateway hostnames: @0@'.format(', '.join(gateway_hostnames)),