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ima: refactor ima_policy_show() to display "ima_hooks" rules

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Define and call a function to display the "ima_hooks" rules.

Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Acked-by: Petko Manolov <petkan@mip-labs.com>
Acked-by: Dmitry Kasatkin <dmitry.kasatkin@huawei.com>
This commit is contained in:
Mimi Zohar 2016-01-28 13:10:36 -05:00
parent 1525b06d99
commit b5269ab3e2
1 changed files with 36 additions and 27 deletions
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63
security/integrity/ima/ima_policy.c
View file

@ -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)