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authorMatthew Garrett <matthewgarrett@google.com>2019-06-20 00:46:11 +0200
committerMimi Zohar <zohar@linux.ibm.com>2019-06-20 00:51:01 +0200
commit19453ce0bcfbdf7332a104eebf5d835977af7284 (patch)
tree905616cb5f8ed74bdd94dfa9a51012f5bdad82af /security/integrity/ima/ima_template.c
parentintegrity: Fix __integrity_init_keyring() section mismatch (diff)
downloadlinux-19453ce0bcfbdf7332a104eebf5d835977af7284.tar.xz
linux-19453ce0bcfbdf7332a104eebf5d835977af7284.zip
IMA: support for per policy rule template formats
Admins may wish to log different measurements using different IMA templates. Add support for overriding the default template on a per-rule basis. Inspired-by: Roberto Sassu <roberto.sassu@huawei.com> Signed-off-by: Matthew Garrett <mjg59@google.com> Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
Diffstat (limited to 'security/integrity/ima/ima_template.c')
-rw-r--r--security/integrity/ima/ima_template.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/security/integrity/ima/ima_template.c b/security/integrity/ima/ima_template.c
index b631b8bc7624..00dd5a434689 100644
--- a/security/integrity/ima/ima_template.c
+++ b/security/integrity/ima/ima_template.c
@@ -47,10 +47,6 @@ static const struct ima_template_field supported_fields[] = {
#define MAX_TEMPLATE_NAME_LEN 15
static struct ima_template_desc *ima_template;
-static struct ima_template_desc *lookup_template_desc(const char *name);
-static int template_desc_init_fields(const char *template_fmt,
- const struct ima_template_field ***fields,
- int *num_fields);
static int __init ima_template_setup(char *str)
{
@@ -108,7 +104,7 @@ static int __init ima_template_fmt_setup(char *str)
}
__setup("ima_template_fmt=", ima_template_fmt_setup);
-static struct ima_template_desc *lookup_template_desc(const char *name)
+struct ima_template_desc *lookup_template_desc(const char *name)
{
struct ima_template_desc *template_desc;
int found = 0;
@@ -153,9 +149,9 @@ static int template_fmt_size(const char *template_fmt)
return j + 1;
}
-static int template_desc_init_fields(const char *template_fmt,
- const struct ima_template_field ***fields,
- int *num_fields)
+int template_desc_init_fields(const char *template_fmt,
+ const struct ima_template_field ***fields,
+ int *num_fields)
{
const char *template_fmt_ptr;
const struct ima_template_field *found_fields[IMA_TEMPLATE_NUM_FIELDS_MAX];