sepolgen-ifgen needs to handle filename transition rules containing ":"

This commit is contained in:
Dan Walsh 2013-03-21 10:52:00 -04:00
parent 71f3efb73d
commit c1e35cdc89
2 changed files with 98 additions and 4 deletions

View File

@ -1,13 +1,104 @@
diff --git a/sepolgen/src/sepolgen/audit.py b/sepolgen/src/sepolgen/audit.py diff --git a/sepolgen/src/sepolgen/audit.py b/sepolgen/src/sepolgen/audit.py
index d636091..9ca35a7 100644 index d636091..56919be 100644
--- a/sepolgen/src/sepolgen/audit.py --- a/sepolgen/src/sepolgen/audit.py
+++ b/sepolgen/src/sepolgen/audit.py +++ b/sepolgen/src/sepolgen/audit.py
@@ -259,7 +259,7 @@ class AVCMessage(AuditMessage): @@ -259,13 +259,13 @@ class AVCMessage(AuditMessage):
raise ValueError("Error during access vector computation") raise ValueError("Error during access vector computation")
if self.type == audit2why.CONSTRAINT: if self.type == audit2why.CONSTRAINT:
- self.data = [] - self.data = []
+ self.data = [ self.data ] + self.data = [ self.data ]
if self.scontext.user != self.tcontext.user: if self.scontext.user != self.tcontext.user:
self.data.append("user") - self.data.append("user")
+ self.data.append(("user (%s)" % self.scontext.user, 'user (%s)' % self.tcontext.user))
if self.scontext.role != self.tcontext.role and self.tcontext.role != "object_r": if self.scontext.role != self.tcontext.role and self.tcontext.role != "object_r":
- self.data.append("role")
+ self.data.append(("role (%s)" % self.scontext.role, 'role (%s)' % self.tcontext.role))
if self.scontext.level != self.tcontext.level:
- self.data.append("level")
+ self.data.append(("level (%s)" % self.scontext.level, 'level (%s)' % self.tcontext.level))
avcdict[(scontext, tcontext, self.tclass, access_tuple)] = (self.type, self.data)
diff --git a/sepolgen/src/sepolgen/policygen.py b/sepolgen/src/sepolgen/policygen.py
index cc9f8ea..24062a1 100644
--- a/sepolgen/src/sepolgen/policygen.py
+++ b/sepolgen/src/sepolgen/policygen.py
@@ -172,10 +172,10 @@ class PolicyGenerator:
rule.comment += "#!!!! This avc can be allowed using the boolean '%s'\n" % av.data[0][0]
if av.type == audit2why.CONSTRAINT:
- rule.comment += "#!!!! This avc is a constraint violation. You will need to add an attribute to either the source or target type to make it work.\n"
- rule.comment += "#Constraint rule: "
- for reason in av.data:
- rule.comment += "\n#\tPossible cause source context and target context '%s' differ\b" % reason
+ rule.comment += "#!!!! This avc is a constraint violation. You would need to modify the attributes of either the source or target types to allow this access.\n"
+ rule.comment += "#Constraint rule: \n\t" + av.data[0]
+ for reason in av.data[1:]:
+ rule.comment += "#\tPossible cause is the source %s and target %s are different.\n\b" % reason
try:
if ( av.type == audit2why.TERULE and
diff --git a/sepolgen/src/sepolgen/refparser.py b/sepolgen/src/sepolgen/refparser.py
index 7b76261..a05d9d1 100644
--- a/sepolgen/src/sepolgen/refparser.py
+++ b/sepolgen/src/sepolgen/refparser.py
@@ -65,6 +65,7 @@ tokens = (
'BAR',
'EXPL',
'EQUAL',
+ 'FILENAME',
'IDENTIFIER',
'NUMBER',
'PATH',
@@ -249,11 +250,17 @@ def t_refpolicywarn(t):
t.lexer.lineno += 1
def t_IDENTIFIER(t):
- r'[a-zA-Z_\$\"][a-zA-Z0-9_\-\+\.\$\*\"~]*'
+ r'[a-zA-Z_\$][a-zA-Z0-9_\-\+\.\$\*~]*'
# Handle any keywords
t.type = reserved.get(t.value,'IDENTIFIER')
return t
+def t_FILENAME(t):
+ r'\"[a-zA-Z0-9_\-\+\.\$\*~ :]+\"'
+ # Handle any keywords
+ t.type = reserved.get(t.value,'FILENAME')
+ return t
+
def t_comment(t):
r'\#.*\n'
# Ignore all comments
@@ -450,6 +457,7 @@ def p_interface_call_param(p):
| nested_id_set
| TRUE
| FALSE
+ | FILENAME
'''
# Intentionally let single identifiers pass through
# List means set, non-list identifier
@@ -461,6 +469,7 @@ def p_interface_call_param(p):
def p_interface_call_param_list(p):
'''interface_call_param_list : interface_call_param
| interface_call_param_list COMMA interface_call_param
+ | interface_call_param_list COMMA interface_call_param COMMA interface_call_param_list
'''
if len(p) == 2:
p[0] = [p[1]]
@@ -787,6 +796,7 @@ def p_avrule_def(p):
def p_typerule_def(p):
'''typerule_def : TYPE_TRANSITION names names COLON names IDENTIFIER SEMI
+ | TYPE_TRANSITION names names COLON names IDENTIFIER FILENAME SEMI
| TYPE_TRANSITION names names COLON names IDENTIFIER IDENTIFIER SEMI
| TYPE_CHANGE names names COLON names IDENTIFIER SEMI
| TYPE_MEMBER names names COLON names IDENTIFIER SEMI
@@ -800,6 +810,7 @@ def p_typerule_def(p):
t.tgt_types = p[3]
t.obj_classes = p[5]
t.dest_type = p[6]
+ t.file_name = p[7]
p[0] = t
def p_bool(p):

View File

@ -7,7 +7,7 @@
Summary: SELinux policy core utilities Summary: SELinux policy core utilities
Name: policycoreutils Name: policycoreutils
Version: 2.1.14 Version: 2.1.14
Release: 23%{?dist} Release: 24%{?dist}
License: GPLv2 License: GPLv2
Group: System Environment/Base Group: System Environment/Base
# Based on git repository with tag 20101221 # Based on git repository with tag 20101221
@ -309,6 +309,9 @@ The policycoreutils-restorecond package contains the restorecond service.
%{_bindir}/systemctl try-restart restorecond.service >/dev/null 2>&1 || : %{_bindir}/systemctl try-restart restorecond.service >/dev/null 2>&1 || :
%changelog %changelog
* Thu Mar 21 2013 Dan Walsh <dwalsh@redhat.com> - 2.1.14-24
- sepolgen-ifgen needs to handle filename transition rules containing ":"
* Tue Mar 19 2013 Dan Walsh <dwalsh@redhat.com> - 2.1.14-23 * Tue Mar 19 2013 Dan Walsh <dwalsh@redhat.com> - 2.1.14-23
- sepolicy manpage: - sepolicy manpage:
- use nroff instead of man2html - use nroff instead of man2html