Re: [PATCH PR#420 v4] audit2allow: CIL output mode

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, Mar 19, 2024 at 2:59 PM Topi Miettinen <toiwoton@xxxxxxxxx> wrote:
>
> New flag -C for audit2allow sets output format to CIL instead of
> Policy Language.
>
> Example:
> ;============= mozilla_t ==============
>
> ;!!!! This avc is allowed in the current policy
> (allow mozilla_t user_sudo_t (fd (use)))
>
> ;============= user_t ==============
>
> ;!!!! This avc can be allowed using the boolean 'allow_execmem'
> (allow user_t self (process (execmem)))
> (allow user_t chromium_t (process (noatsecure rlimitinh siginh)))
>
> ;!!!! This avc is a constraint violation.  You would need to modify the attributes of either the source or target types to allow this access.
> ;Constraint rule:
> ;       constrain dir { ioctl read write create getattr setattr lock relabelfrom relabelto append map unlink link rename execute quotaon mounton audit_access open execmod watch watch_mount watch_sb watch_with_perm watch_reads add_name remove_name reparent search rmdir } ((u1 == u2 -Fail-)  or (u1 == system_u -Fail-)  or (u1 == unconfined_u -Fail-)  or (u1 == sysadm_u -Fail-)  or (u2 == system_u -Fail-)  or (t1 != ubac_constrained_type -Fail-)  or (t2 != ubac_constrained_type -Fail-)  or (t1 == ubacfile -Fail-) ); Constraint DENIED
>
> ;       Possible cause is the source user (user_u) and target user (sysadm_u) are different.
> (allow user_t user_home_dir_t (dir (getattr relabelto)))
>
> Signed-off-by: Topi Miettinen <toiwoton@xxxxxxxxx>

Everything looks good. Thanks!

Acked-by: James Carter <jwcart2@xxxxxxxxx>

>
> ---
> v4: several fixes to issues found by James Carter
> v3: fixed extended permissions syntax
> v2: fix uninitialized variable detected by CI
> ---
>  python/audit2allow/audit2allow            |  14 +-
>  python/audit2allow/audit2allow.1          |   3 +
>  python/sepolgen/src/sepolgen/output.py    |   5 +
>  python/sepolgen/src/sepolgen/policygen.py |  32 ++-
>  python/sepolgen/src/sepolgen/refpolicy.py | 334 +++++++++++++++++-----
>  5 files changed, 298 insertions(+), 90 deletions(-)
>
> diff --git a/python/audit2allow/audit2allow b/python/audit2allow/audit2allow
> index 35b0b151..b5927ec1 100644
> --- a/python/audit2allow/audit2allow
> +++ b/python/audit2allow/audit2allow
> @@ -75,6 +75,7 @@ class AuditToPolicy:
>                            help="generate policy with dontaudit rules")
>          parser.add_option("-R", "--reference", action="store_true", dest="refpolicy",
>                            default=True, help="generate refpolicy style output")
> +        parser.add_option("-C", "--cil", action="store_true", dest="cil", help="generate CIL output")
>
>          parser.add_option("-N", "--noreference", action="store_false", dest="refpolicy",
>                            default=False, help="do not generate refpolicy style output")
> @@ -114,7 +115,7 @@ class AuditToPolicy:
>                  sys.stderr.write('error: module names must begin with a letter, optionally followed by letters, numbers, "-", "_", "."\n')
>                  sys.exit(2)
>
> -        # Make -M and -o conflict
> +        # Make -M and -o or -C conflict
>          if options.module_package:
>              if options.output:
>                  sys.stderr.write("error: --module-package conflicts with --output\n")
> @@ -122,6 +123,9 @@ class AuditToPolicy:
>              if options.module:
>                  sys.stderr.write("error: --module-package conflicts with --module\n")
>                  sys.exit(2)
> +            if options.cil:
> +                sys.stderr.write("error: --module-package conflicts with --cil\n")
> +                sys.exit(2)
>
>          self.__options = options
>
> @@ -341,6 +345,10 @@ semodule -i {packagename}
>          if self.__options.requires:
>              g.set_gen_requires(True)
>
> +        # CIL output
> +        if self.__options.cil:
> +            g.set_gen_cil(True)
> +
>          # Generate the policy
>          g.add_access(self.__avs)
>          g.add_role_types(self.__role_types)
> @@ -348,6 +356,10 @@ semodule -i {packagename}
>          # Output
>          writer = output.ModuleWriter()
>
> +        # CIL output
> +        if self.__options.cil:
> +            writer.set_gen_cil(True)
> +
>          # Module package
>          if self.__options.module_package:
>              self.__output_modulepackage(writer, g)
> diff --git a/python/audit2allow/audit2allow.1 b/python/audit2allow/audit2allow.1
> index c208b3b2..2834234d 100644
> --- a/python/audit2allow/audit2allow.1
> +++ b/python/audit2allow/audit2allow.1
> @@ -74,6 +74,9 @@ Generate module/require output <modulename>
>  .B "\-M <modulename>"
>  Generate loadable module package, conflicts with \-o
>  .TP
> +.B "\-C"
> +Generate CIL output, conflicts with \-M
> +.TP
>  .B "\-p <policyfile>"  | "\-\-policy <policyfile>"
>  Policy file to use for analysis
>  .TP
> diff --git a/python/sepolgen/src/sepolgen/output.py b/python/sepolgen/src/sepolgen/output.py
> index aeeaafc8..57380cad 100644
> --- a/python/sepolgen/src/sepolgen/output.py
> +++ b/python/sepolgen/src/sepolgen/output.py
> @@ -40,6 +40,7 @@ class ModuleWriter:
>          self.module = None
>          self.sort = True
>          self.requires = True
> +        self.gen_cil = False
>
>      def write(self, module, fd):
>          self.module = module
> @@ -49,8 +50,12 @@ class ModuleWriter:
>
>          # FIXME - make this handle nesting
>          for node, depth in refpolicy.walktree(self.module, showdepth=True):
> +            node.set_gen_cil(self.gen_cil)
>              fd.write("%s\n" % str(node))
>
> +    def set_gen_cil(self, gen_cil):
> +        self.gen_cil = gen_cil
> +
>  # Helper functions for sort_filter - this is all done old school
>  # C style rather than with polymorphic methods because this sorting
>  # is specific to output. It is not necessarily the comparison you
> diff --git a/python/sepolgen/src/sepolgen/policygen.py b/python/sepolgen/src/sepolgen/policygen.py
> index 183b41a9..5d59dad7 100644
> --- a/python/sepolgen/src/sepolgen/policygen.py
> +++ b/python/sepolgen/src/sepolgen/policygen.py
> @@ -86,6 +86,8 @@ class PolicyGenerator:
>          self.xperms = False
>
>          self.domains = None
> +        self.gen_cil = False
> +        self.comment_start = '#'
>      def set_gen_refpol(self, if_set=None, perm_maps=None):
>          """Set whether reference policy interfaces are generated.
>
> @@ -128,6 +130,13 @@ class PolicyGenerator:
>          """
>          self.xperms = xperms
>
> +    def set_gen_cil(self, gen_cil):
> +        self.gen_cil = gen_cil
> +        if gen_cil:
> +            self.comment_start = ';'
> +        else:
> +            self.comment_start = '#'
> +
>      def __set_module_style(self):
>          if self.ifgen:
>              refpolicy = True
> @@ -173,26 +182,27 @@ class PolicyGenerator:
>              rule.comment = str(refpolicy.Comment(explain_access(av, verbosity=self.explain)))
>
>          if av.type == audit2why.ALLOW:
> -            rule.comment += "\n#!!!! This avc is allowed in the current policy"
> +            rule.comment += "\n%s!!!! This avc is allowed in the current policy" % self.comment_start
>
>              if av.xperms:
> -                rule.comment += "\n#!!!! This av rule may have been overridden by an extended permission av rule"
> +                rule.comment += "\n%s!!!! This av rule may have been overridden by an extended permission av rule" % self.comment_start
>
>          if av.type == audit2why.DONTAUDIT:
> -            rule.comment += "\n#!!!! This avc has a dontaudit rule in the current policy"
> +            rule.comment += "\n%s!!!! This avc has a dontaudit rule in the current policy" % self.comment_start
>
>          if av.type == audit2why.BOOLEAN:
>              if len(av.data) > 1:
> -                rule.comment += "\n#!!!! This avc can be allowed using one of the these booleans:\n#     %s" % ", ".join([x[0] for x in av.data])
> +                rule.comment += "\n%s!!!! This avc can be allowed using one of the these booleans:\n%s     %s" % (self.comment_start, self.comment_start, ", ".join([x[0] for x in av.data]))
>              else:
> -                rule.comment += "\n#!!!! This avc can be allowed using the boolean '%s'" % av.data[0][0]
> +                rule.comment += "\n%s!!!! This avc can be allowed using the boolean '%s'" % (self.comment_start, av.data[0][0])
>
>          if av.type == audit2why.CONSTRAINT:
> -            rule.comment += "\n#!!!! This avc is a constraint violation.  You would need to modify the attributes of either the source or target types to allow this access."
> -            rule.comment += "\n#Constraint rule: "
> -            rule.comment += "\n#\t" + av.data[0]
> +            rule.comment += "\n%s!!!! This avc is a constraint violation.  You would need to modify the attributes of either the source or target types to allow this access." % self.comment_start
> +            rule.comment += "\n%sConstraint rule: " % self.comment_start
> +            rule.comment += "\n%s\t" % self.comment_start + av.data[0]
>              for reason in av.data[1:]:
> -                rule.comment += "\n#\tPossible cause is the source %s and target %s are different." % reason
> +                rule.comment += "\n%s" % self.comment_start
> +                rule.comment += "\tPossible cause is the source %s and target %s are different." % reason
>
>          try:
>              if ( av.type == audit2why.TERULE and
> @@ -206,9 +216,9 @@ class PolicyGenerator:
>                      if i not in self.domains:
>                          types.append(i)
>                  if len(types) == 1:
> -                    rule.comment += "\n#!!!! The source type '%s' can write to a '%s' of the following type:\n# %s\n" % ( av.src_type, av.obj_class, ", ".join(types))
> +                    rule.comment += "\n%s!!!! The source type '%s' can write to a '%s' of the following type:\n%s %s\n" % (self.comment_start, av.src_type, av.obj_class, self.comment_start, ", ".join(types))
>                  elif len(types) >= 1:
> -                    rule.comment += "\n#!!!! The source type '%s' can write to a '%s' of the following types:\n# %s\n" % ( av.src_type, av.obj_class, ", ".join(types))
> +                    rule.comment += "\n%s!!!! The source type '%s' can write to a '%s' of the following types:\n%s %s\n" % (self.comment_start, av.src_type, av.obj_class, self.comment_start, ", ".join(types))
>          except:
>              pass
>
> diff --git a/python/sepolgen/src/sepolgen/refpolicy.py b/python/sepolgen/src/sepolgen/refpolicy.py
> index 9cac1b95..ae5450d7 100644
> --- a/python/sepolgen/src/sepolgen/refpolicy.py
> +++ b/python/sepolgen/src/sepolgen/refpolicy.py
> @@ -53,6 +53,7 @@ class PolicyBase:
>      def __init__(self, parent=None):
>          self.parent = None
>          self.comment = None
> +        self.gen_cil = False
>
>  class Node(PolicyBase):
>      """Base class objects produced from parsing the reference policy.
> @@ -150,6 +151,8 @@ class Node(PolicyBase):
>      def to_string(self):
>          return ""
>
> +    def set_gen_cil(self, gen_cil):
> +        self.gen_cil = gen_cil
>
>  class Leaf(PolicyBase):
>      def __init__(self, parent=None):
> @@ -167,6 +170,8 @@ class Leaf(PolicyBase):
>      def to_string(self):
>          return ""
>
> +    def set_gen_cil(self, gen_cil):
> +        self.gen_cil = gen_cil
>
>
>  # Utility functions
> @@ -413,6 +418,16 @@ class XpermSet():
>
>          return "%s{ %s }" % (compl, " ".join(vals))
>
> +    def to_string_cil(self):
> +        if not self.ranges:
> +            return ""
> +
> +        compl = ("not (", ")") if self.complement else ("", "")
> +
> +        vals = map(lambda x: hex(x[0]) if x[0] == x[1] else "(range %s %s)" % (hex(x[0]), hex(x[1]), ), self.ranges)
> +
> +        return "(%s%s%s)" % (compl[0], " ".join(vals), compl[1])
> +
>  # Basic statements
>
>  class TypeAttribute(Leaf):
> @@ -426,7 +441,14 @@ class TypeAttribute(Leaf):
>          self.attributes = IdSet()
>
>      def to_string(self):
> -        return "typeattribute %s %s;" % (self.type, self.attributes.to_comma_str())
> +        if self.gen_cil:
> +            s = ""
> +            for a in self.attributes:
> +                s += "(typeattribute %s)\n" % a
> +                s += "(typeattributeset %s %s)\n" % (a, self.type)
> +            return s
> +        else:
> +            return "typeattribute %s %s;" % (self.type, self.attributes.to_comma_str())
>
>  class RoleAttribute(Leaf):
>      """SElinux roleattribute statement.
> @@ -439,7 +461,14 @@ class RoleAttribute(Leaf):
>          self.roleattributes = IdSet()
>
>      def to_string(self):
> -        return "roleattribute %s %s;" % (self.role, self.roleattributes.to_comma_str())
> +        if self.gen_cil:
> +            s = ""
> +            for a in self.roleattributes:
> +                s += "(roleattribute %s)\n" % a
> +                s += "(roleattributeset %s %s)\n" % (a, self.type)
> +            return s
> +        else:
> +            return "roleattribute %s %s;" % (self.role, self.roleattributes.to_comma_str())
>
>
>  class Role(Leaf):
> @@ -449,10 +478,16 @@ class Role(Leaf):
>          self.types = IdSet()
>
>      def to_string(self):
> -        s = ""
> -        for t in self.types:
> -            s += "role %s types %s;\n" % (self.role, t)
> -        return s
> +        if self.gen_cil:
> +            s = "(role %s)\n" % self.role
> +            for t in self.types:
> +                s += "(roletype %s %s)\n" % (self.role, t)
> +            return s
> +        else:
> +            s = ""
> +            for t in self.types:
> +                s += "role %s types %s;\n" % (self.role, t)
> +            return s
>
>  class Type(Leaf):
>      def __init__(self, name="", parent=None):
> @@ -462,12 +497,20 @@ class Type(Leaf):
>          self.aliases = IdSet()
>
>      def to_string(self):
> -        s = "type %s" % self.name
> -        if len(self.aliases) > 0:
> -            s = s + "alias %s" % self.aliases.to_space_str()
> -        if len(self.attributes) > 0:
> -            s = s + ", %s" % self.attributes.to_comma_str()
> -        return s + ";"
> +        if self.gen_cil:
> +            s = "(type %s)\n" % self.name
> +            for a in self.aliases:
> +                s += "(typealiasactual %s %s)\n" % (a, self.name)
> +            for a in self.attributes:
> +                s += "(typeattributeset %s %s)\n" % (a, self.name)
> +            return s
> +        else:
> +            s = "type %s" % self.name
> +            if len(self.aliases) > 0:
> +                s = s + "alias %s" % self.aliases.to_space_str()
> +            if len(self.attributes) > 0:
> +                s = s + ", %s" % self.attributes.to_comma_str()
> +            return s + ";"
>
>  class TypeAlias(Leaf):
>      def __init__(self, parent=None):
> @@ -476,7 +519,14 @@ class TypeAlias(Leaf):
>          self.aliases = IdSet()
>
>      def to_string(self):
> -        return "typealias %s alias %s;" % (self.type, self.aliases.to_space_str())
> +        if self.gen_cil:
> +            s = ""
> +            for a in self.aliases:
> +                s += "(typealias %s)\n" % a
> +                s += "(typealiasactual %s %s)\n" % (a, self.type)
> +            return s
> +        else:
> +            return "typealias %s alias %s;" % (self.type, self.aliases.to_space_str())
>
>  class Attribute(Leaf):
>      def __init__(self, name="", parent=None):
> @@ -484,7 +534,10 @@ class Attribute(Leaf):
>          self.name = name
>
>      def to_string(self):
> -        return "attribute %s;" % self.name
> +        if self.gen_cil:
> +            return "attribute %s;" % self.name
> +        else:
> +            return "(typeattribute %s)" % self.name
>
>  class Attribute_Role(Leaf):
>      def __init__(self, name="", parent=None):
> @@ -492,7 +545,10 @@ class Attribute_Role(Leaf):
>          self.name = name
>
>      def to_string(self):
> -        return "attribute_role %s;" % self.name
> +        if self.gen_cil:
> +            return "(roleattribute %s)" % self.name
> +        else:
> +            return "attribute_role %s;" % self.name
>
>
>  # Classes representing rules
> @@ -555,11 +611,21 @@ class AVRule(Leaf):
>          that is a valid policy language representation (assuming
>          that the types, object class, etc. are valie).
>          """
> -        return "%s %s %s:%s %s;" % (self.__rule_type_str(),
> -                                     self.src_types.to_space_str(),
> -                                     self.tgt_types.to_space_str(),
> -                                     self.obj_classes.to_space_str(),
> -                                     self.perms.to_space_str())
> +        if self.gen_cil:
> +            s = ""
> +            for src in self.src_types:
> +                for tgt in self.tgt_types:
> +                    for obj in self.obj_classes:
> +                        s += "(%s %s %s (%s (%s)))" % (self.__rule_type_str(),
> +                                                       src, tgt, obj,
> +                                                       " ".join(self.perms))
> +            return s
> +        else:
> +            return "%s %s %s:%s %s;" % (self.__rule_type_str(),
> +                                        self.src_types.to_space_str(),
> +                                        self.tgt_types.to_space_str(),
> +                                        self.obj_classes.to_space_str(),
> +                                        self.perms.to_space_str())
>
>  class AVExtRule(Leaf):
>      """Extended permission access vector rule.
> @@ -597,6 +663,16 @@ class AVExtRule(Leaf):
>          elif self.rule_type == self.NEVERALLOWXPERM:
>              return "neverallowxperm"
>
> +    def __rule_type_str_cil(self):
> +        if self.rule_type == self.ALLOWXPERM:
> +            return "allowx"
> +        elif self.rule_type == self.DONTAUDITXPERM:
> +            return "dontauditx"
> +        elif self.rule_type == self.AUDITALLOWXPERM:
> +            return "auditallowx"
> +        elif self.rule_type == self.NEVERALLOWXPERM:
> +            return "neverallowx"
> +
>      def from_av(self, av, op):
>          self.src_types.add(av.src_type)
>          if av.src_type == av.tgt_type:
> @@ -612,12 +688,25 @@ class AVExtRule(Leaf):
>          a valid policy language representation (assuming that
>          the types, object class, etc. are valid).
>          """
> -        return "%s %s %s:%s %s %s;" % (self.__rule_type_str(),
> -                                     self.src_types.to_space_str(),
> -                                     self.tgt_types.to_space_str(),
> -                                     self.obj_classes.to_space_str(),
> -                                     self.operation,
> -                                     self.xperms.to_string())
> +        if self.gen_cil:
> +            s = ""
> +            for src in self.src_types:
> +                for tgt in self.tgt_types:
> +                    for obj in self.obj_classes:
> +                        s += "(%s %s %s (%s %s %s))" % (self.__rule_type_str_cil(),
> +                                                        src, tgt,
> +                                                        self.operation,
> +                                                        obj,
> +                                                        self.xperms.to_string_cil())
> +            return s
> +        else:
> +            return "%s %s %s:%s %s %s;" % (self.__rule_type_str(),
> +                                           self.src_types.to_space_str(),
> +                                           self.tgt_types.to_space_str(),
> +                                           self.obj_classes.to_space_str(),
> +                                           self.operation,
> +                                           self.xperms.to_string())
> +
>
>  class TypeRule(Leaf):
>      """SELinux type rules.
> @@ -630,6 +719,7 @@ class TypeRule(Leaf):
>      TYPE_CHANGE = 1
>      TYPE_MEMBER = 2
>
> +    # NB. Filename type transitions are not generated by audit2allow.
>      def __init__(self, parent=None):
>          Leaf.__init__(self, parent)
>          self.src_types = IdSet()
> @@ -646,12 +736,28 @@ class TypeRule(Leaf):
>          else:
>              return "type_member"
>
> +    def __rule_type_str_cil(self):
> +        if self.rule_type == self.TYPE_TRANSITION:
> +            return "typetransition"
> +        elif self.rule_type == self.TYPE_CHANGE:
> +            return "typechange"
> +        else:
> +            return "typemember"
> +
>      def to_string(self):
> -        return "%s %s %s:%s %s;" % (self.__rule_type_str(),
> -                                     self.src_types.to_space_str(),
> -                                     self.tgt_types.to_space_str(),
> -                                     self.obj_classes.to_space_str(),
> -                                     self.dest_type)
> +        if self.gen_cil:
> +            return "(%s %s %s %s %s)" % (self.__rule_type_str_cil(),
> +                                         self.src_types.to_space_str(),
> +                                         self.tgt_types.to_space_str(),
> +                                         self.obj_classes.to_space_str(),
> +                                         self.dest_type)
> +        else:
> +            return "%s %s %s:%s %s;" % (self.__rule_type_str(),
> +                                        self.src_types.to_space_str(),
> +                                        self.tgt_types.to_space_str(),
> +                                        self.obj_classes.to_space_str(),
> +                                        self.dest_type)
> +
>  class TypeBound(Leaf):
>      """SElinux typebound statement.
>
> @@ -663,8 +769,13 @@ class TypeBound(Leaf):
>          self.tgt_types = IdSet()
>
>      def to_string(self):
> -        return "typebounds %s %s;" % (self.type, self.tgt_types.to_comma_str())
> -
> +        if self.gen_cil:
> +            s = ""
> +            for t in self.tgt_types:
> +                s += "(typebounds %s %s)" % (self.type, t)
> +            return s
> +        else:
> +            return "typebounds %s %s;" % (self.type, self.tgt_types.to_comma_str())
>
>  class RoleAllow(Leaf):
>      def __init__(self, parent=None):
> @@ -673,8 +784,15 @@ class RoleAllow(Leaf):
>          self.tgt_roles = IdSet()
>
>      def to_string(self):
> -        return "allow %s %s;" % (self.src_roles.to_comma_str(),
> -                                 self.tgt_roles.to_comma_str())
> +        if self.gen_cil:
> +            s = ""
> +            for src in self.src_roles:
> +                for tgt in self.tgt_roles:
> +                    s += "(roleallow %s %s)" % (src, tgt)
> +            return s
> +        else:
> +            return "allow %s %s;" % (self.src_roles.to_comma_str(),
> +                                     self.tgt_roles.to_comma_str())
>
>  class RoleType(Leaf):
>      def __init__(self, parent=None):
> @@ -685,7 +803,10 @@ class RoleType(Leaf):
>      def to_string(self):
>          s = ""
>          for t in self.types:
> -            s += "role %s types %s;\n" % (self.role, t)
> +            if self.gen_cil:
> +                s += "(roletype %s %s)\n" % (self.role, t)
> +            else:
> +                s += "role %s types %s;\n" % (self.role, t)
>          return s
>
>  class ModuleDeclaration(Leaf):
> @@ -696,10 +817,13 @@ class ModuleDeclaration(Leaf):
>          self.refpolicy = False
>
>      def to_string(self):
> -        if self.refpolicy:
> -            return "policy_module(%s, %s)" % (self.name, self.version)
> +        if self.gen_cil:
> +            return ""
>          else:
> -            return "module %s %s;" % (self.name, self.version)
> +            if self.refpolicy:
> +                return "policy_module(%s, %s)" % (self.name, self.version)
> +            else:
> +                return "module %s %s;" % (self.name, self.version)
>
>  class Conditional(Node):
>      def __init__(self, parent=None):
> @@ -729,7 +853,10 @@ class InitialSid(Leaf):
>          self.context = None
>
>      def to_string(self):
> -        return "sid %s %s" % (self.name, str(self.context))
> +        if self.gen_cil:
> +            return "(sid %s %s)" % (self.name, str(self.context))
> +        else:
> +            return "sid %s %s" % (self.name, str(self.context))
>
>  class GenfsCon(Leaf):
>      def __init__(self, parent=None):
> @@ -739,7 +866,10 @@ class GenfsCon(Leaf):
>          self.context = None
>
>      def to_string(self):
> -        return "genfscon %s %s %s" % (self.filesystem, self.path, str(self.context))
> +        if self.gen_cil:
> +            return "(genfscon %s %s %s)" % (self.filesystem, self.path, str(self.context))
> +        else:
> +            return "genfscon %s %s %s" % (self.filesystem, self.path, str(self.context))
>
>  class FilesystemUse(Leaf):
>      XATTR = 1
> @@ -754,14 +884,24 @@ class FilesystemUse(Leaf):
>
>      def to_string(self):
>          s = ""
> -        if self.type == self.XATTR:
> -            s = "fs_use_xattr "
> -        elif self.type == self.TRANS:
> -            s = "fs_use_trans "
> -        elif self.type == self.TASK:
> -            s = "fs_use_task "
> +        if self.gen_cil:
> +            if self.type == self.XATTR:
> +                s = "fsuse xattr "
> +            elif self.type == self.TRANS:
> +                s = "fsuse trans "
> +            elif self.type == self.TASK:
> +                s = "fsuse task "
> +
> +            return "(%s %s %s)" % (s, self.filesystem, str(self.context))
> +        else:
> +            if self.type == self.XATTR:
> +                s = "fs_use_xattr "
> +            elif self.type == self.TRANS:
> +                s = "fs_use_trans "
> +            elif self.type == self.TASK:
> +                s = "fs_use_task "
>
> -        return "%s %s %s;" % (s, self.filesystem, str(self.context))
> +            return "%s %s %s;" % (s, self.filesystem, str(self.context))
>
>  class PortCon(Leaf):
>      def __init__(self, parent=None):
> @@ -771,7 +911,10 @@ class PortCon(Leaf):
>          self.context = None
>
>      def to_string(self):
> -        return "portcon %s %s %s" % (self.port_type, self.port_number, str(self.context))
> +        if self.gen_cil:
> +            return "(portcon %s %s %s)" % (self.port_type, self.port_number, str(self.context))
> +        else:
> +            return "portcon %s %s %s" % (self.port_type, self.port_number, str(self.context))
>
>  class NodeCon(Leaf):
>      def __init__(self, parent=None):
> @@ -781,7 +924,10 @@ class NodeCon(Leaf):
>          self.context = None
>
>      def to_string(self):
> -        return "nodecon %s %s %s" % (self.start, self.end, str(self.context))
> +        if self.gen_cil:
> +            return "(nodecon %s %s %s)" % (self.start, self.end, str(self.context))
> +        else:
> +            return "nodecon %s %s %s" % (self.start, self.end, str(self.context))
>
>  class NetifCon(Leaf):
>      def __init__(self, parent=None):
> @@ -791,8 +937,13 @@ class NetifCon(Leaf):
>          self.packet_context = None
>
>      def to_string(self):
> -        return "netifcon %s %s %s" % (self.interface, str(self.interface_context),
> -                                   str(self.packet_context))
> +        if self.gen_cil:
> +            return "(netifcon %s %s %s)" % (self.interface, str(self.interface_context),
> +                                            str(self.packet_context))
> +        else:
> +            return "netifcon %s %s %s" % (self.interface, str(self.interface_context),
> +                                          str(self.packet_context))
> +
>  class PirqCon(Leaf):
>      def __init__(self, parent=None):
>          Leaf.__init__(self, parent)
> @@ -800,7 +951,10 @@ class PirqCon(Leaf):
>          self.context = None
>
>      def to_string(self):
> -        return "pirqcon %s %s" % (self.pirq_number, str(self.context))
> +        if self.gen_cil:
> +            return "(pirqcon %s %s)" % (self.pirq_number, str(self.context))
> +        else:
> +            return "pirqcon %s %s" % (self.pirq_number, str(self.context))
>
>  class IomemCon(Leaf):
>      def __init__(self, parent=None):
> @@ -809,7 +963,10 @@ class IomemCon(Leaf):
>          self.context = None
>
>      def to_string(self):
> -        return "iomemcon %s %s" % (self.device_mem, str(self.context))
> +        if self.gen_cil:
> +            return "(iomemcon %s %s)" % (self.device_mem, str(self.context))
> +        else:
> +            return "iomemcon %s %s" % (self.device_mem, str(self.context))
>
>  class IoportCon(Leaf):
>      def __init__(self, parent=None):
> @@ -818,7 +975,10 @@ class IoportCon(Leaf):
>          self.context = None
>
>      def to_string(self):
> -        return "ioportcon %s %s" % (self.ioport, str(self.context))
> +        if self.gen_cil:
> +            return "(ioportcon %s %s)" % (self.ioport, str(self.context))
> +        else:
> +            return "ioportcon %s %s" % (self.ioport, str(self.context))
>
>  class PciDeviceCon(Leaf):
>      def __init__(self, parent=None):
> @@ -827,7 +987,10 @@ class PciDeviceCon(Leaf):
>          self.context = None
>
>      def to_string(self):
> -        return "pcidevicecon %s %s" % (self.device, str(self.context))
> +        if self.gen_cil:
> +            return "(pcidevicecon %s %s)" % (self.device, str(self.context))
> +        else:
> +            return "pcidevicecon %s %s" % (self.device, str(self.context))
>
>  class DeviceTreeCon(Leaf):
>      def __init__(self, parent=None):
> @@ -836,7 +999,10 @@ class DeviceTreeCon(Leaf):
>          self.context = None
>
>      def to_string(self):
> -        return "devicetreecon %s %s" % (self.path, str(self.context))
> +        if self.gen_cil:
> +            return "(devicetreecon %s %s)" % (self.path, str(self.context))
> +        else:
> +            return "devicetreecon %s %s" % (self.path, str(self.context))
>
>  # Reference policy specific types
>
> @@ -993,25 +1159,33 @@ class Require(Leaf):
>
>      def to_string(self):
>          s = []
> -        s.append("require {")
> -        for type in self.types:
> -            s.append("\ttype %s;" % type)
> -        for obj_class, perms in self.obj_classes.items():
> -            s.append("\tclass %s %s;" % (obj_class, perms.to_space_str()))
> -        for role in self.roles:
> -            s.append("\trole %s;" % role)
> -        for bool in self.data:
> -            s.append("\tbool %s;" % bool)
> -        for user in self.users:
> -            s.append("\tuser %s;" % user)
> -        s.append("}")
> -
> -        # Handle empty requires
> -        if len(s) == 2:
> -            return ""
> -
> -        return "\n".join(s)
> -
> +        if self.gen_cil:
> +            # Can't require classes, perms, booleans, users
> +            for type in self.types:
> +                s.append("(typeattributeset cil_gen_require %s)" % type)
> +            for role in self.roles:
> +                s.append("(roleattributeset cil_gen_require %s)" % role)
> +
> +            return "\n".join(s)
> +        else:
> +            s.append("require {")
> +            for type in self.types:
> +                s.append("\ttype %s;" % type)
> +            for obj_class, perms in self.obj_classes.items():
> +                s.append("\tclass %s %s;" % (obj_class, perms.to_space_str()))
> +            for role in self.roles:
> +                s.append("\trole %s;" % role)
> +            for bool in self.data:
> +                s.append("\tbool %s;" % bool)
> +            for user in self.users:
> +                s.append("\tuser %s;" % user)
> +            s.append("}")
> +
> +            # Handle empty requires
> +            if len(s) == 2:
> +                return ""
> +
> +            return "\n".join(s)
>
>  class ObjPermSet:
>      def __init__(self, name):
> @@ -1044,7 +1218,10 @@ class Comment:
>          else:
>              out = []
>              for line in self.lines:
> -                out.append("#" + line)
> +                if self.gen_cil:
> +                    out.append(";" + line)
> +                else:
> +                    out.append("#" + line)
>              return "\n".join(out)
>
>      def merge(self, other):
> @@ -1056,4 +1233,5 @@ class Comment:
>      def __str__(self):
>          return self.to_string()
>
> -
> +    def set_gen_cil(self, gen_cil):
> +        self.gen_cil = gen_cil
>
> base-commit: 82195e77e317d322dd9b5fc31d402462d6845357
> --
> 2.43.0
>
>





[Index of Archives]     [Selinux Refpolicy]     [Linux SGX]     [Fedora Users]     [Fedora Desktop]     [Yosemite Photos]     [Yosemite Camping]     [Yosemite Campsites]     [KDE Users]     [Gnome Users]

  Powered by Linux