[PATCH v3 02/22] ima: refactor ima_policy_show() to display "ima_hooks" rules
Petko Manolov
petkan at mip-labs.com
Sun Feb 7 11:45:46 PST 2016
On 16-02-03 14:06:10, Mimi Zohar wrote:
> Define and call a function to display the "ima_hooks" rules.
>
> Signed-off-by: Mimi Zohar <zohar at linux.vnet.ibm.com>
Acked-by: Petko Manolov <petkan at mip-labs.com>
> ---
> security/integrity/ima/ima_policy.c | 63 +++++++++++++++++++++----------------
> 1 file changed, 36 insertions(+), 27 deletions(-)
>
> diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c
> index e0e18cc..43b6425 100644
> --- a/security/integrity/ima/ima_policy.c
> +++ b/security/integrity/ima/ima_policy.c
> @@ -903,6 +903,40 @@ void ima_policy_stop(struct seq_file *m, void *v)
> #define mt(token) mask_tokens[token]
> #define ft(token) func_tokens[token]
>
> +/*
> + * policy_func_show - display the ima_hooks policy rule
> + */
> +static void policy_func_show(struct seq_file *m, enum ima_hooks func)
> +{
> + char tbuf[64] = {0,};
> +
> + switch (func) {
> + case FILE_CHECK:
> + seq_printf(m, pt(Opt_func), ft(func_file));
> + break;
> + case MMAP_CHECK:
> + seq_printf(m, pt(Opt_func), ft(func_mmap));
> + break;
> + case BPRM_CHECK:
> + seq_printf(m, pt(Opt_func), ft(func_bprm));
> + break;
> + case MODULE_CHECK:
> + seq_printf(m, pt(Opt_func), ft(func_module));
> + break;
> + case FIRMWARE_CHECK:
> + seq_printf(m, pt(Opt_func), ft(func_firmware));
> + break;
> + case POST_SETATTR:
> + seq_printf(m, pt(Opt_func), ft(func_post));
> + break;
> + default:
> + snprintf(tbuf, sizeof(tbuf), "%d", func);
> + seq_printf(m, pt(Opt_func), tbuf);
> + break;
> + }
> + seq_puts(m, " ");
> +}
> +
> int ima_policy_show(struct seq_file *m, void *v)
> {
> struct ima_rule_entry *entry = v;
> @@ -924,33 +958,8 @@ int ima_policy_show(struct seq_file *m, void *v)
>
> seq_puts(m, " ");
>
> - if (entry->flags & IMA_FUNC) {
> - switch (entry->func) {
> - case FILE_CHECK:
> - seq_printf(m, pt(Opt_func), ft(func_file));
> - break;
> - case MMAP_CHECK:
> - seq_printf(m, pt(Opt_func), ft(func_mmap));
> - break;
> - case BPRM_CHECK:
> - seq_printf(m, pt(Opt_func), ft(func_bprm));
> - break;
> - case MODULE_CHECK:
> - seq_printf(m, pt(Opt_func), ft(func_module));
> - break;
> - case FIRMWARE_CHECK:
> - seq_printf(m, pt(Opt_func), ft(func_firmware));
> - break;
> - case POST_SETATTR:
> - seq_printf(m, pt(Opt_func), ft(func_post));
> - break;
> - default:
> - snprintf(tbuf, sizeof(tbuf), "%d", entry->func);
> - seq_printf(m, pt(Opt_func), tbuf);
> - break;
> - }
> - seq_puts(m, " ");
> - }
> + if (entry->flags & IMA_FUNC)
> + policy_func_show(m, entry->func);
>
> if (entry->flags & IMA_MASK) {
> if (entry->mask & MAY_EXEC)
> --
> 2.1.0
>
> --
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