aboutsummaryrefslogtreecommitdiff
path: root/security
diff options
context:
space:
mode:
authorEric Paris <eparis@redhat.com>2010-04-20 10:21:24 -0400
committerJames Morris <jmorris@namei.org>2010-04-21 09:58:16 +1000
commit7233e3ee22b1506723411fe437bcf69f678e8cdd (patch)
tree3d84d037890a9918ed02b89fde875fd6e6cd3b10 /security
parent28ef4002ec7b4be27f1110b83e255df8159c786a (diff)
downloadlinux-2.6.34-ux500-7233e3ee22b1506723411fe437bcf69f678e8cdd.tar.gz
IMA: handle comments in policy
IMA policy load parser will reject any policies with a comment. This patch will allow the parser to just ignore lines which start with a #. This is not very robust. # can ONLY be used at the very beginning of a line. Inline comments are not allowed. Signed-off-by: Eric Paris Acked-by: Mimi Zohar <zohar@us.ibm.com> Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'security')
-rw-r--r--security/integrity/ima/ima_policy.c21
1 files changed, 14 insertions, 7 deletions
diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c
index 1bc9e31ae25..babc5009756 100644
--- a/security/integrity/ima/ima_policy.c
+++ b/security/integrity/ima/ima_policy.c
@@ -445,19 +445,26 @@ ssize_t ima_parse_add_rule(char *rule)
p = strsep(&rule, "\n");
len = strlen(p) + 1;
+
+ if (*p == '#') {
+ kfree(entry);
+ return len;
+ }
+
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);
- } else {
+ if (result) {
kfree(entry);
integrity_audit_msg(AUDIT_INTEGRITY_STATUS, NULL,
NULL, op, "invalid policy", result,
audit_info);
+ return result;
}
- return result;
+
+ mutex_lock(&ima_measure_mutex);
+ list_add_tail(&entry->list, &measure_policy_rules);
+ mutex_unlock(&ima_measure_mutex);
+
+ return len;
}
/* ima_delete_rules called to cleanup invalid policy */