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Diffstat (limited to 'security/integrity/ima/ima_policy.c')
-rw-r--r--security/integrity/ima/ima_policy.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c
index 4759d0f9933..49998f90e44 100644
--- a/security/integrity/ima/ima_policy.c
+++ b/security/integrity/ima/ima_policy.c
@@ -261,7 +261,7 @@ static int ima_parse_rule(char *rule, struct ima_measure_rule_entry *entry)
ab = audit_log_start(NULL, GFP_KERNEL, AUDIT_INTEGRITY_RULE);
entry->action = -1;
- while ((p = strsep(&rule, " \n")) != NULL) {
+ while ((p = strsep(&rule, " ")) != NULL) {
substring_t args[MAX_OPT_ARGS];
int token;
unsigned long lnum;
@@ -269,7 +269,7 @@ static int ima_parse_rule(char *rule, struct ima_measure_rule_entry *entry)
if (result < 0)
break;
if (!*p)
- continue;
+ break;
token = match_token(p, policy_tokens, args);
switch (token) {
case Opt_measure:
@@ -373,7 +373,7 @@ static int ima_parse_rule(char *rule, struct ima_measure_rule_entry *entry)
if (entry->action == UNKNOWN)
result = -EINVAL;
- audit_log_format(ab, "res=%d", !result ? 0 : 1);
+ audit_log_format(ab, "res=%d", !!result);
audit_log_end(ab);
return result;
}
@@ -383,13 +383,14 @@ static int ima_parse_rule(char *rule, struct ima_measure_rule_entry *entry)
* @rule - ima measurement policy rule
*
* Uses a mutex to protect the policy list from multiple concurrent writers.
- * Returns 0 on success, an error code on failure.
+ * Returns the length of the rule parsed, an error code on failure
*/
-int ima_parse_add_rule(char *rule)
+ssize_t ima_parse_add_rule(char *rule)
{
const char *op = "update_policy";
+ char *p;
struct ima_measure_rule_entry *entry;
- int result = 0;
+ ssize_t result, len;
int audit_info = 0;
/* Prevent installed policy from changing */
@@ -409,8 +410,11 @@ int ima_parse_add_rule(char *rule)
INIT_LIST_HEAD(&entry->list);
- result = ima_parse_rule(rule, entry);
+ p = strsep(&rule, "\n");
+ len = strlen(p) + 1;
+ result = ima_parse_rule(p, entry);
if (!result) {
+ result = len;
mutex_lock(&ima_measure_mutex);
list_add_tail(&entry->list, &measure_policy_rules);
mutex_unlock(&ima_measure_mutex);