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authorMimi Zohar <zohar@linux.vnet.ibm.com>2017-04-24 12:04:09 -0400
committerMimi Zohar <zohar@linux.vnet.ibm.com>2017-06-21 14:37:12 -0400
commit33ce9549cfa1e71d77bc91a2e67e65d693e2e53f (patch)
tree8e52e9cd2498a07f27dc7f4a055c0b05a8c3567f /security
parentcdac74ddf28e2f07319cc89446f9dea35d22d999 (diff)
ima: extend the "ima_policy" boot command line to support multiple policies
Add support for providing multiple builtin policies on the "ima_policy=" boot command line. Use "|" as the delimitor separating the policy names. Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Diffstat (limited to 'security')
-rw-r--r--security/integrity/ima/ima_policy.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c
index 3ab1067db624..0ddc41389a9c 100644
--- a/security/integrity/ima/ima_policy.c
+++ b/security/integrity/ima/ima_policy.c
@@ -170,19 +170,24 @@ static int __init default_measure_policy_setup(char *str)
}
__setup("ima_tcb", default_measure_policy_setup);
+static bool ima_use_appraise_tcb __initdata;
static int __init policy_setup(char *str)
{
- if (ima_policy)
- return 1;
+ char *p;
- if (strcmp(str, "tcb") == 0)
- ima_policy = DEFAULT_TCB;
+ while ((p = strsep(&str, " |\n")) != NULL) {
+ if (*p == ' ')
+ continue;
+ if ((strcmp(p, "tcb") == 0) && !ima_policy)
+ ima_policy = DEFAULT_TCB;
+ else if (strcmp(p, "appraise_tcb") == 0)
+ ima_use_appraise_tcb = 1;
+ }
return 1;
}
__setup("ima_policy=", policy_setup);
-static bool ima_use_appraise_tcb __initdata;
static int __init default_appraise_policy_setup(char *str)
{
ima_use_appraise_tcb = 1;