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[patch] rewrite parse_profile_start()

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Rewrite parse_profile_start() in aa.py to a more readable version.
The behaviour remains unchanged (and is covered by tests).

The patch also updates the comment about the internal struct of
aa[profile][hat] - initial_comment was missing.


Acked-by: Kshitij Gupta <kgupta8592@gmail.com>
This commit is contained in:
Christian Boltz
2015-04-02 13:30:01 +02:00
parent 87c5679b91
commit eb0553f11f
1 changed files with 16 additions and 16 deletions
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32
utils/apparmor/aa.py
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@@ -105,7 +105,7 @@ transitions = hasher()
# a) rules (as dict): alias, change_profile, include, lvar, rlimit
# b) rules (as hasher): allow, deny
# c) one for each rule class
# d) other: declared, external, flags, name, profile, attachment,
# d) other: declared, external, flags, name, profile, attachment, initial_comment,
# profile_keyword, header_comment (these two are currently only set by set_profile_flags())
aa = hasher() # Profiles originally in sd, replace by aa
original_aa = hasher()
@@ -2638,31 +2638,31 @@ def attach_profile_data(profiles, profile_data):
def parse_profile_start(line, file, lineno, profile, hat):
matches = parse_profile_start_line(line, file)
pps_set_profile = False
pps_set_hat_external = False
if profile: # we are inside a profile, so we expect a child profile
if not matches['profile_keyword']:
raise AppArmorException(_('%(profile)s profile in %(file)s contains syntax errors in line %(line)s: missing "profile" keyword.') % {
'profile': profile, 'file': file, 'line': lineno + 1 })
if profile != hat:
# nesting limit reached - a child profile can't contain another child profile
raise AppArmorException(_('%(profile)s profile in %(file)s contains syntax errors in line %(line)s: a child profile inside another child profile is not allowed.') % {
'profile': profile, 'file': file, 'line': lineno + 1 })
if profile:
#print(profile, hat)
if profile != hat or not matches['profile_keyword']:
raise AppArmorException(_('%(profile)s profile in %(file)s contains syntax errors in line: %(line)s.') % { 'profile': profile, 'file': file, 'line': lineno + 1 })
# Keep track of the start of a profile
if profile and profile == hat and matches['profile_keyword']:
# local profile
hat = matches['profile']
in_contained_hat = True
pps_set_profile = True
else:
pps_set_hat_external = False
else: # stand-alone profile
profile = matches['profile']
#print(profile)
if len(profile.split('//')) >= 2:
profile, hat = profile.split('//')[:2]
else:
hat = None
in_contained_hat = False
if hat:
pps_set_hat_external = True
else:
hat = profile
pps_set_hat_external = False
in_contained_hat = False
pps_set_profile = False
attachment = matches['attachment']
flags = matches['flags']