On Tue, 2008-03-11 at 10:30 -0400, Eric Paris wrote:
> This patch adds support for permissive types.
>
> A very simple module to make httpd_t a permissive domain would be:
>
> policy_module(permissiveapache, 1.0)
> gen_require(`
> type httpd_t;
> ')
> permissive httpd_t;
>
> Obviously this syntax can be used in both the base policy and in a
> policy module.
>
> Signed-off-by: Eric Paris <eparis@xxxxxxxxxx>
>
> ---
>
> policy_parse.y | 43 +++++++++++++++++++++++++++++++
> policy_scan.l | 4 ++
> test/dismod.c | 2 -
> test/dispol.c | 78 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> 4 files changed, 125 insertions(+), 2 deletions(-)
>
> diff -up checkpolicy-2.0.10/policy_parse.y.pre.permissive checkpolicy-2.0.10/policy_parse.y
> --- checkpolicy-2.0.10/policy_parse.y.pre.permissive 2008-03-11 10:18:31.000000000 -0400
> +++ checkpolicy-2.0.10/policy_parse.y 2008-03-11 10:23:33.000000000 -0400
> @@ -126,6 +126,7 @@ static int define_netif_context(void);
> static int define_ipv4_node_context(void);
> static int define_ipv6_node_context(void);
> static int define_polcap(void);
> +static int define_permissive(void);
>
> typedef int (* require_func_t)();
>
> @@ -201,6 +202,7 @@ typedef int (* require_func_t)();
> %token IPV6_ADDR
> %token MODULE VERSION_IDENTIFIER REQUIRE OPTIONAL
> %token POLICYCAP
> +%token PERMISSIVE
>
> %left OR
> %left XOR
> @@ -327,6 +329,7 @@ te_decl : attribute_def
> | transition_def
> | range_trans_def
> | te_avtab_def
> + | permissive_def
> ;
> attribute_def : ATTRIBUTE identifier ';'
> { if (define_attrib()) return -1;}
> @@ -772,6 +775,8 @@ ipv6_addr : IPV6_ADDR
> policycap_def : POLICYCAP identifier ';'
> {if (define_polcap()) return -1;}
> ;
> +permissive_def : PERMISSIVE identifier ';'
> + {if (define_permissive()) return -1;}
>
> /*********** module grammar below ***********/
>
> @@ -1007,6 +1012,44 @@ static int define_polcap(void)
> return -1;
> }
>
> +static int define_permissive(void)
> +{
The action functions have been moved out to a separate .c file
(policy_define.[ch]) in the latest checkpolicy, so someone will have to
move this over for merge. Trivial, of course.
--
Stephen Smalley
National Security Agency
--
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