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Improve regex formatting.

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This commit is contained in:
Mark Grassi 2022-08-14 21:02:24 -04:00
parent b1c2aeaa76
commit e8b60e46fe
1 changed files with 20 additions and 18 deletions
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38
utils/apparmor/rule/dbus.py
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@ -43,24 +43,26 @@ RE_FLAG = '(?P<%s>(\S+|"[^"]+"|\(\s*\S+\s*\)|\(\s*"[^"]+"\)\s*))' # string with
RE_DBUS_DETAILS = re.compile(
'^'
+ '(\s+(?P<access>' + RE_ACCESS_KEYWORDS + '))?' # optional access keyword(s)
+ '((\s+(bus\s*=\s*' + RE_FLAG % 'bus' + '))?|' # optional bus= system | session | AARE, (...) optional
+ '(\s+(path\s*=\s*' + RE_FLAG % 'path' + '))?|' # optional path=AARE, (...) optional
+ '(\s+(name\s*=\s*' + RE_FLAG % 'name' + '))?|' # optional name=AARE, (...) optional
+ '(\s+(interface\s*=\s*' + RE_FLAG % 'interface' + '))?|' # optional interface=AARE, (...) optional
+ '(\s+(member\s*=\s*' + RE_FLAG % 'member' + '))?|' # optional member=AARE, (...) optional
+ '(\s+(peer\s*=\s*\((,|\s)*' # optional peer=(name=AARE and/or label=AARE), (...) required
+ '('
+ '(' + '(,|\s)*' + ')' # empty peer=()
+ '|' # or
+ '(' + 'name\s*=\s*' + RE_PROFILE_NAME % 'peername1' + ')' # only peer name (match group peername1)
+ '|' # or
+ '(' 'label\s*=\s*' + RE_PROFILE_NAME % 'peerlabel1' + ')' # only peer label (match group peerlabel1)
+ '|' # or
+ '(' + 'name\s*=\s*' + RE_PROFILE_NAME % 'peername2' + '(,|\s)+' + 'label\s*=\s*' + RE_PROFILE_NAME % 'peerlabel2' + ')' # peer name + label (match name peername2/peerlabel2)
+ '|' # or
+ '(' + 'label\s*=\s*' + RE_PROFILE_NAME % 'peerlabel3' + '(,|\s)+' + 'name\s*=\s*' + RE_PROFILE_NAME % 'peername3' + ')' # peer label + name (match name peername3/peerlabel3)
+ ')'
+ '(,|\s)*\)))?){0,6}'
+ '('
+ '(\s+(bus\s*=\s*' + RE_FLAG % 'bus' + '))?|' # optional bus= system | session | AARE, (...) optional
+ '(\s+(path\s*=\s*' + RE_FLAG % 'path' + '))?|' # optional path=AARE, (...) optional
+ '(\s+(name\s*=\s*' + RE_FLAG % 'name' + '))?|' # optional name=AARE, (...) optional
+ '(\s+(interface\s*=\s*' + RE_FLAG % 'interface' + '))?|' # optional interface=AARE, (...) optional
+ '(\s+(member\s*=\s*' + RE_FLAG % 'member' + '))?|' # optional member=AARE, (...) optional
+ '(\s+(peer\s*=\s*\((,|\s)*' # optional peer=(name=AARE and/or label=AARE), (...) required
+ '('
+ '(' + '(,|\s)*' + ')' # empty peer=()
+ '|' # or
+ '(' + 'name\s*=\s*' + RE_PROFILE_NAME % 'peername1' + ')' # only peer name (match group peername1)
+ '|' # or
+ '(' 'label\s*=\s*' + RE_PROFILE_NAME % 'peerlabel1' + ')' # only peer label (match group peerlabel1)
+ '|' # or
+ '(' + 'name\s*=\s*' + RE_PROFILE_NAME % 'peername2' + '(,|\s)+' + 'label\s*=\s*' + RE_PROFILE_NAME % 'peerlabel2' + ')' # peer name + label (match name peername2/peerlabel2)
+ '|' # or
+ '(' + 'label\s*=\s*' + RE_PROFILE_NAME % 'peerlabel3' + '(,|\s)+' + 'name\s*=\s*' + RE_PROFILE_NAME % 'peername3' + ')' # peer label + name (match name peername3/peerlabel3)
+ ')'
+ '(,|\s)*\)))?'
+ '){0,6}'
+ '\s*$')