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authorMimi Zohar <zohar@linux.vnet.ibm.com>2016-01-28 13:10:36 -0500
committerMimi Zohar <zohar@linux.vnet.ibm.com>2016-02-18 17:13:56 -0500
commitb5269ab3e29b17e3419c65986bcc1b54b798acc2 (patch)
tree651781df3de569d41cacf95d618644f888ec476a /security
parent1525b06d99b117198ea8d6c128ee5bf28ceb6723 (diff)
downloadleg-kernel-b5269ab3e29b17e3419c65986bcc1b54b798acc2.tar.gz
ima: refactor ima_policy_show() to display "ima_hooks" rules
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>
Diffstat (limited to 'security')
-rw-r--r--security/integrity/ima/ima_policy.c63
1 files changed, 36 insertions, 27 deletions
diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c
index e0e18cc5930a..43b642557d6c 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)