| # In order to support a deterministic set of 'dynamic' users/groups, |
| # we need a function to reformat the params based on a static file |
| def update_useradd_static_config(d): |
| import itertools |
| import re |
| import errno |
| import oe.useradd |
| |
| def list_extend(iterable, length, obj = None): |
| """Ensure that iterable is the specified length by extending with obj |
| and return it as a list""" |
| return list(itertools.islice(itertools.chain(iterable, itertools.repeat(obj)), length)) |
| |
| def merge_files(file_list, exp_fields): |
| """Read each passwd/group file in file_list, split each line and create |
| a dictionary with the user/group names as keys and the split lines as |
| values. If the user/group name already exists in the dictionary, then |
| update any fields in the list with the values from the new list (if they |
| are set).""" |
| id_table = dict() |
| for conf in file_list.split(): |
| try: |
| with open(conf, "r") as f: |
| for line in f: |
| if line.startswith('#'): |
| continue |
| # Make sure there always are at least exp_fields |
| # elements in the field list. This allows for leaving |
| # out trailing colons in the files. |
| fields = list_extend(line.rstrip().split(":"), exp_fields) |
| if fields[0] not in id_table: |
| id_table[fields[0]] = fields |
| else: |
| id_table[fields[0]] = list(map(lambda x, y: x or y, fields, id_table[fields[0]])) |
| except IOError as e: |
| if e.errno == errno.ENOENT: |
| pass |
| |
| return id_table |
| |
| def handle_missing_id(id, type, pkg, files, var, value): |
| # For backwards compatibility we accept "1" in addition to "error" |
| error_dynamic = d.getVar('USERADD_ERROR_DYNAMIC') |
| msg = "%s - %s: %sname %s does not have a static ID defined." % (d.getVar('PN'), pkg, type, id) |
| if files: |
| msg += " Add %s to one of these files: %s" % (id, files) |
| else: |
| msg += " %s file(s) not found in BBPATH: %s" % (var, value) |
| if error_dynamic == 'error' or error_dynamic == '1': |
| raise NotImplementedError(msg) |
| elif error_dynamic == 'warn': |
| bb.warn(msg) |
| elif error_dynamic == 'skip': |
| raise bb.parse.SkipRecipe(msg) |
| |
| # Return a list of configuration files based on either the default |
| # files/group or the contents of USERADD_GID_TABLES, resp. |
| # files/passwd for USERADD_UID_TABLES. |
| # Paths are resolved via BBPATH. |
| def get_table_list(d, var, default): |
| files = [] |
| bbpath = d.getVar('BBPATH') |
| tables = d.getVar(var) |
| if not tables: |
| tables = default |
| for conf_file in tables.split(): |
| files.append(bb.utils.which(bbpath, conf_file)) |
| return (' '.join(files), var, default) |
| |
| # We parse and rewrite the useradd components |
| def rewrite_useradd(params, is_pkg): |
| parser = oe.useradd.build_useradd_parser() |
| |
| newparams = [] |
| users = None |
| for param in oe.useradd.split_commands(params): |
| try: |
| uaargs = parser.parse_args(oe.useradd.split_args(param)) |
| except: |
| bb.fatal("%s: Unable to parse arguments for USERADD_PARAM_%s: '%s'" % (d.getVar('PN'), pkg, param)) |
| |
| # Read all passwd files specified in USERADD_UID_TABLES or files/passwd |
| # Use the standard passwd layout: |
| # username:password:user_id:group_id:comment:home_directory:login_shell |
| # |
| # If a field is left blank, the original value will be used. The 'username' |
| # field is required. |
| # |
| # Note: we ignore the password field, as including even the hashed password |
| # in the useradd command may introduce a security hole. It's assumed that |
| # all new users get the default ('*' which prevents login) until the user is |
| # specifically configured by the system admin. |
| if not users: |
| files, table_var, table_value = get_table_list(d, 'USERADD_UID_TABLES', 'files/passwd') |
| users = merge_files(files, 7) |
| |
| type = 'system user' if uaargs.system else 'normal user' |
| if uaargs.LOGIN not in users: |
| handle_missing_id(uaargs.LOGIN, type, pkg, files, table_var, table_value) |
| newparams.append(param) |
| continue |
| |
| field = users[uaargs.LOGIN] |
| |
| if uaargs.uid and field[2] and (uaargs.uid != field[2]): |
| bb.warn("%s: Changing username %s's uid from (%s) to (%s), verify configuration files!" % (d.getVar('PN'), uaargs.LOGIN, uaargs.uid, field[2])) |
| uaargs.uid = field[2] or uaargs.uid |
| |
| # Determine the possible groupname |
| # Unless the group name (or gid) is specified, we assume that the LOGIN is the groupname |
| # |
| # By default the system has creation of the matching groups enabled |
| # So if the implicit username-group creation is on, then the implicit groupname (LOGIN) |
| # is used, and we disable the user_group option. |
| # |
| if uaargs.gid: |
| uaargs.groupname = uaargs.gid |
| elif uaargs.user_group is not False: |
| uaargs.groupname = uaargs.LOGIN |
| else: |
| uaargs.groupname = 'users' |
| uaargs.groupid = field[3] or uaargs.groupname |
| |
| if uaargs.groupid and uaargs.gid != uaargs.groupid: |
| newgroup = None |
| if not uaargs.groupid.isdigit(): |
| # We don't have a group number, so we have to add a name |
| bb.debug(1, "Adding group %s!" % uaargs.groupid) |
| newgroup = "%s %s" % (' --system' if uaargs.system else '', uaargs.groupid) |
| elif uaargs.groupname and not uaargs.groupname.isdigit(): |
| # We have a group name and a group number to assign it to |
| bb.debug(1, "Adding group %s (gid %s)!" % (uaargs.groupname, uaargs.groupid)) |
| newgroup = "-g %s %s" % (uaargs.groupid, uaargs.groupname) |
| else: |
| # We want to add a group, but we don't know it's name... so we can't add the group... |
| # We have to assume the group has previously been added or we'll fail on the adduser... |
| # Note: specifying the actual gid is very rare in OE, usually the group name is specified. |
| bb.warn("%s: Changing gid for login %s to %s, verify configuration files!" % (d.getVar('PN'), uaargs.LOGIN, uaargs.groupid)) |
| |
| uaargs.gid = uaargs.groupid |
| uaargs.user_group = None |
| if newgroup and is_pkg: |
| groupadd = d.getVar("GROUPADD_PARAM_%s" % pkg) |
| if groupadd: |
| # Only add the group if not already specified |
| if not uaargs.groupname in groupadd: |
| d.setVar("GROUPADD_PARAM_%s" % pkg, "%s; %s" % (groupadd, newgroup)) |
| else: |
| d.setVar("GROUPADD_PARAM_%s" % pkg, newgroup) |
| |
| uaargs.comment = "'%s'" % field[4] if field[4] else uaargs.comment |
| uaargs.home_dir = field[5] or uaargs.home_dir |
| uaargs.shell = field[6] or uaargs.shell |
| |
| # Should be an error if a specific option is set... |
| if not uaargs.uid or not uaargs.uid.isdigit() or not uaargs.gid: |
| handle_missing_id(uaargs.LOGIN, type, pkg, files, table_var, table_value) |
| |
| # Reconstruct the args... |
| newparam = ['', ' --defaults'][uaargs.defaults] |
| newparam += ['', ' --base-dir %s' % uaargs.base_dir][uaargs.base_dir != None] |
| newparam += ['', ' --comment %s' % uaargs.comment][uaargs.comment != None] |
| newparam += ['', ' --home-dir %s' % uaargs.home_dir][uaargs.home_dir != None] |
| newparam += ['', ' --expiredate %s' % uaargs.expiredate][uaargs.expiredate != None] |
| newparam += ['', ' --inactive %s' % uaargs.inactive][uaargs.inactive != None] |
| newparam += ['', ' --gid %s' % uaargs.gid][uaargs.gid != None] |
| newparam += ['', ' --groups %s' % uaargs.groups][uaargs.groups != None] |
| newparam += ['', ' --skel %s' % uaargs.skel][uaargs.skel != None] |
| newparam += ['', ' --key %s' % uaargs.key][uaargs.key != None] |
| newparam += ['', ' --no-log-init'][uaargs.no_log_init] |
| newparam += ['', ' --create-home'][uaargs.create_home is True] |
| newparam += ['', ' --no-create-home'][uaargs.create_home is False] |
| newparam += ['', ' --no-user-group'][uaargs.user_group is False] |
| newparam += ['', ' --non-unique'][uaargs.non_unique] |
| if uaargs.password != None: |
| newparam += ['', ' --password %s' % uaargs.password][uaargs.password != None] |
| elif uaargs.clear_password: |
| newparam += ['', ' --clear-password %s' % uaargs.clear_password][uaargs.clear_password != None] |
| newparam += ['', ' --root %s' % uaargs.root][uaargs.root != None] |
| newparam += ['', ' --system'][uaargs.system] |
| newparam += ['', ' --shell %s' % uaargs.shell][uaargs.shell != None] |
| newparam += ['', ' --uid %s' % uaargs.uid][uaargs.uid != None] |
| newparam += ['', ' --user-group'][uaargs.user_group is True] |
| newparam += ' %s' % uaargs.LOGIN |
| |
| newparams.append(newparam) |
| |
| return ";".join(newparams).strip() |
| |
| # We parse and rewrite the groupadd components |
| def rewrite_groupadd(params, is_pkg): |
| parser = oe.useradd.build_groupadd_parser() |
| |
| newparams = [] |
| groups = None |
| for param in oe.useradd.split_commands(params): |
| try: |
| # If we're processing multiple lines, we could have left over values here... |
| gaargs = parser.parse_args(oe.useradd.split_args(param)) |
| except: |
| bb.fatal("%s: Unable to parse arguments for GROUPADD_PARAM_%s: '%s'" % (d.getVar('PN'), pkg, param)) |
| |
| # Read all group files specified in USERADD_GID_TABLES or files/group |
| # Use the standard group layout: |
| # groupname:password:group_id:group_members |
| # |
| # If a field is left blank, the original value will be used. The 'groupname' field |
| # is required. |
| # |
| # Note: similar to the passwd file, the 'password' filed is ignored |
| # Note: group_members is ignored, group members must be configured with the GROUPMEMS_PARAM |
| if not groups: |
| files, table_var, table_value = get_table_list(d, 'USERADD_GID_TABLES', 'files/group') |
| groups = merge_files(files, 4) |
| |
| type = 'system group' if gaargs.system else 'normal group' |
| if gaargs.GROUP not in groups: |
| handle_missing_id(gaargs.GROUP, type, pkg, files, table_var, table_value) |
| newparams.append(param) |
| continue |
| |
| field = groups[gaargs.GROUP] |
| |
| if field[2]: |
| if gaargs.gid and (gaargs.gid != field[2]): |
| bb.warn("%s: Changing groupname %s's gid from (%s) to (%s), verify configuration files!" % (d.getVar('PN'), gaargs.GROUP, gaargs.gid, field[2])) |
| gaargs.gid = field[2] |
| |
| if not gaargs.gid or not gaargs.gid.isdigit(): |
| handle_missing_id(gaargs.GROUP, type, pkg, files, table_var, table_value) |
| |
| # Reconstruct the args... |
| newparam = ['', ' --force'][gaargs.force] |
| newparam += ['', ' --gid %s' % gaargs.gid][gaargs.gid != None] |
| newparam += ['', ' --key %s' % gaargs.key][gaargs.key != None] |
| newparam += ['', ' --non-unique'][gaargs.non_unique] |
| if gaargs.password != None: |
| newparam += ['', ' --password %s' % gaargs.password][gaargs.password != None] |
| elif gaargs.clear_password: |
| newparam += ['', ' --clear-password %s' % gaargs.clear_password][gaargs.clear_password != None] |
| newparam += ['', ' --root %s' % gaargs.root][gaargs.root != None] |
| newparam += ['', ' --system'][gaargs.system] |
| newparam += ' %s' % gaargs.GROUP |
| |
| newparams.append(newparam) |
| |
| return ";".join(newparams).strip() |
| |
| # The parsing of the current recipe depends on the content of |
| # the files listed in USERADD_UID/GID_TABLES. We need to tell bitbake |
| # about that explicitly to trigger re-parsing and thus re-execution of |
| # this code when the files change. |
| bbpath = d.getVar('BBPATH') |
| for varname, default in (('USERADD_UID_TABLES', 'files/passwd'), |
| ('USERADD_GID_TABLES', 'files/group')): |
| tables = d.getVar(varname) |
| if not tables: |
| tables = default |
| for conf_file in tables.split(): |
| bb.parse.mark_dependency(d, bb.utils.which(bbpath, conf_file)) |
| |
| # Load and process the users and groups, rewriting the adduser/addgroup params |
| useradd_packages = d.getVar('USERADD_PACKAGES') or "" |
| |
| for pkg in useradd_packages.split(): |
| # Groupmems doesn't have anything we might want to change, so simply validating |
| # is a bit of a waste -- only process useradd/groupadd |
| useradd_param = d.getVar('USERADD_PARAM_%s' % pkg) |
| if useradd_param: |
| #bb.warn("Before: 'USERADD_PARAM_%s' - '%s'" % (pkg, useradd_param)) |
| d.setVar('USERADD_PARAM_%s' % pkg, rewrite_useradd(useradd_param, True)) |
| #bb.warn("After: 'USERADD_PARAM_%s' - '%s'" % (pkg, d.getVar('USERADD_PARAM_%s' % pkg))) |
| |
| groupadd_param = d.getVar('GROUPADD_PARAM_%s' % pkg) |
| if groupadd_param: |
| #bb.warn("Before: 'GROUPADD_PARAM_%s' - '%s'" % (pkg, groupadd_param)) |
| d.setVar('GROUPADD_PARAM_%s' % pkg, rewrite_groupadd(groupadd_param, True)) |
| #bb.warn("After: 'GROUPADD_PARAM_%s' - '%s'" % (pkg, d.getVar('GROUPADD_PARAM_%s' % pkg))) |
| |
| # Load and process extra users and groups, rewriting only adduser/addgroup params |
| pkg = d.getVar('PN') |
| extrausers = d.getVar('EXTRA_USERS_PARAMS') or "" |
| |
| #bb.warn("Before: 'EXTRA_USERS_PARAMS' - '%s'" % (d.getVar('EXTRA_USERS_PARAMS'))) |
| new_extrausers = [] |
| for cmd in oe.useradd.split_commands(extrausers): |
| if re.match('''useradd (.*)''', cmd): |
| useradd_param = re.match('''useradd (.*)''', cmd).group(1) |
| useradd_param = rewrite_useradd(useradd_param, False) |
| cmd = 'useradd %s' % useradd_param |
| elif re.match('''groupadd (.*)''', cmd): |
| groupadd_param = re.match('''groupadd (.*)''', cmd).group(1) |
| groupadd_param = rewrite_groupadd(groupadd_param, False) |
| cmd = 'groupadd %s' % groupadd_param |
| |
| new_extrausers.append(cmd) |
| |
| new_extrausers.append('') |
| d.setVar('EXTRA_USERS_PARAMS', ';'.join(new_extrausers)) |
| #bb.warn("After: 'EXTRA_USERS_PARAMS' - '%s'" % (d.getVar('EXTRA_USERS_PARAMS'))) |
| |
| |
| python __anonymous() { |
| if not bb.data.inherits_class('nativesdk', d) \ |
| and not bb.data.inherits_class('native', d): |
| try: |
| update_useradd_static_config(d) |
| except NotImplementedError as f: |
| bb.debug(1, "Skipping recipe %s: %s" % (d.getVar('PN'), f)) |
| raise bb.parse.SkipRecipe(f) |
| } |