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python/semanage/semanage: Unify argument handling 

Missing argument checks for "fcontext" and "boolean" were performed
outside of "argparse", resulting in shortened help message (without
argument details) and no error description.
Fix: perform these checks using "argparse" as is the case with other
semanage options.

Some "required argument" check were performed outside of "handle_opts"
obscuring the code.
Fix: Add required arguments to {fcontext boolean}_args and remove the
checks from handle{Fcontext Boolean}.

Remove unpaired parentheses from "semanage fcontext" usage message.

Signed-off-by: Vit Mojzis <vmojzis@redhat.com>
This commit is contained in:
Vit Mojzis 2016-11-30 14:47:55 +01:00 committed by Stephen Smalley
parent 041e00106f
commit 86e568c27b
1 changed files with 9 additions and 22 deletions
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31
python/semanage/semanage
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@ -50,7 +50,7 @@ usage_login = "semanage login [-h] [-n] [-N] [-S STORE] ["
usage_login_dict = {' --add': ('-s SEUSER', '-r RANGE', 'LOGIN',), ' --modify': ('-s SEUSER', '-r RANGE', 'LOGIN',), ' --delete': ('LOGIN',), ' --list': ('-C',), ' --extract': ('',), ' --deleteall': ('',)}
usage_fcontext = "semanage fcontext [-h] [-n] [-N] [-S STORE] ["
usage_fcontext_dict = {' --add': ('(', '-t TYPE', '-f FTYPE', '-r RANGE', '-s SEUSER', '|', '-e EQUAL', ')', 'FILE_SPEC', ')',), ' --delete': ('(', '-t TYPE', '-f FTYPE', '|', '-e EQUAL', ')', 'FILE_SPEC', ')',), ' --modify': ('(', '-t TYPE', '-f FTYPE', '-r RANGE', '-s SEUSER', '|', '-e EQUAL', ')', 'FILE_SPEC )',), ' --list': ('-C',), ' --extract': ('',), ' --deleteall': ('',)}
usage_fcontext_dict = {' --add': ('(', '-t TYPE', '-f FTYPE', '-r RANGE', '-s SEUSER', '|', '-e EQUAL', ')', 'FILE_SPEC',), ' --delete': ('(', '-t TYPE', '-f FTYPE', '|', '-e EQUAL', ')', 'FILE_SPEC',), ' --modify': ('(', '-t TYPE', '-f FTYPE', '-r RANGE', '-s SEUSER', '|', '-e EQUAL', ')', 'FILE_SPEC',), ' --list': ('[-C]',), ' --extract': ('',), ' --deleteall': ('',)}
usage_user = "semanage user [-h] [-n] [-N] [-S STORE] ["
usage_user_dict = {' --add': ('(', '-L LEVEL', '-R ROLES', '-r RANGE', '-s SEUSER', 'selinux_name'')'), ' --delete': ('selinux_name',), ' --modify': ('(', '-L LEVEL', '-R ROLES', '-r RANGE', '-s SEUSER', 'selinux_name', ')'), ' --list': ('-C',), ' --extract': ('',), ' --deleteall': ('',)}
@ -99,8 +99,8 @@ class seParser(argparse.ArgumentParser):
def error(self, message):
if len(sys.argv) == 2:
self.print_help()
sys.exit(2)
self.print_usage()
else:
self.print_usage()
self.exit(2, ('%s: error: %s\n') % (self.prog, message))
@ -346,10 +346,7 @@ def handleFcontext(args):
# we can not use mutually for equal because we can define some actions together with equal
fcontext_equal_args = {'equal': [('list', 'locallist', 'type', 'ftype', 'seuser', 'deleteall', 'extract'), ()]}
if args.action is None:
print("usage: " + "%s" % generate_custom_usage(usage_fcontext, usage_fcontext_dict))
sys.exit(2)
elif args.action and args.equal:
if args.action and args.equal:
handle_opts(args, fcontext_equal_args, "equal")
else:
handle_opts(args, fcontext_args, args.action)
@ -398,7 +395,7 @@ If you do not specify a file type, the file type will default to "all files".
parser_add_noreload(fcontextParser, "fcontext")
parser_add_store(fcontextParser, "fcontext")
fcontext_action = fcontextParser.add_mutually_exclusive_group(required=False)
fcontext_action = fcontextParser.add_mutually_exclusive_group(required=True)
parser_add_add(fcontext_action, "fcontext")
parser_add_delete(fcontext_action, "fcontext")
parser_add_modify(fcontext_action, "fcontext")
@ -645,19 +642,9 @@ def setupNodeParser(subparsers):
def handleBoolean(args):
boolean_args = {'list': [('state', 'boolean'), ('')], 'modify': [('localist'), ('')], 'extract': [('locallist', 'state', 'boolean'), ('')], 'deleteall': [('locallist'), ('')], 'state': [('locallist', 'list', 'extract', 'deleteall'), ('modify')]}
if args.action is None:
print("Usage: " + "%s" % generate_custom_usage(usage_boolean, usage_boolean_dict))
sys.exit(2)
# TODO: should be added to handle_opts logic
elif args.action is "modify" and not args.boolean:
print("boolean name required ")
sys.exit(1)
elif args.action is "modify" and args.boolean and not args.state:
print("state option is needed")
sys.exit(1)
else:
handle_opts(args, boolean_args, args.action)
boolean_args = {'list': [('state', 'boolean'), ('')], 'modify': [('localist'), ('boolean', 'state')], 'extract': [('locallist', 'state', 'boolean'), ('')], 'deleteall': [('locallist'), ('')], 'state': [('locallist', 'list', 'extract', 'deleteall'), ('modify')]}
handle_opts(args, boolean_args, args.action)
OBJECT = object_dict['boolean']()
OBJECT.set_reload(args.noreload)
@ -683,7 +670,7 @@ def setupBooleanParser(subparsers):
parser_add_store(booleanParser, "boolean")
booleanParser.add_argument('boolean', nargs="?", default=None, help=_('boolean'))
boolean_action = booleanParser.add_mutually_exclusive_group(required=False)
boolean_action = booleanParser.add_mutually_exclusive_group(required=True)
#add_add(boolean_action)
parser_add_modify(boolean_action, "boolean")
parser_add_list(boolean_action, "boolean")