Hello Steve, 

When field is AUDIT_FILTERKEY, it should need a watch or syscall given prior to 
it.
So I add checking and error message "-19" to realize it.

Do you agree with me? This is the patches for latest code in
audit SVN project. 

Signed-off-by: Zhang Xiliang <[EMAIL PROTECTED]>
---
 lib/libaudit.c |    3 +++
 src/auditctl.c |    7 ++++++-
 2 files changed, 9 insertions(+), 1 deletions(-)

diff --git a/lib/libaudit.c b/lib/libaudit.c
index 4d20261..8dd5baa 100644
--- a/lib/libaudit.c
+++ b/lib/libaudit.c
@@ -75,6 +75,7 @@ static const struct nv_list failure_actions[] =
   { NULL,              0 }
 };
 
+int audit_permadded hidden = 0;
 int audit_archadded hidden = 0;
 int audit_syscalladded hidden = 0;
 unsigned int audit_elf hidden = 0U;
@@ -920,6 +921,8 @@ int audit_rule_fieldpair_data(struct audit_rule_data 
**rulep, const char *pair,
                case AUDIT_SUBJ_SEN:
                case AUDIT_SUBJ_CLR:
                case AUDIT_FILTERKEY:
+                       if (field == AUDIT_FILTERKEY && !(audit_syscalladded || 
audit_permadded))
+                                return -19;
                        vlen = strlen(v);
                        if (field == AUDIT_FILTERKEY &&
                                        vlen > AUDIT_MAX_KEY_LEN)
diff --git a/src/auditctl.c b/src/auditctl.c
index 0d38ac1..2c99e09 100644
--- a/src/auditctl.c
+++ b/src/auditctl.c
@@ -67,7 +67,6 @@ enum { OLD, NEW };
 int which;
 static struct audit_rule  rule;
 static struct audit_rule_data *rule_new = NULL;
-int audit_permadded;
 static char key[AUDIT_MAX_KEY_LEN+1];
 static int keylen;
 static int printed;
@@ -77,6 +76,7 @@ static const char key_sep[2] = { AUDIT_KEY_SEPARATOR, 0 };
 extern int audit_archadded;
 extern int audit_syscalladded;
 extern unsigned int audit_elf;
+extern int audit_permadded;
 
 /*
  * This function will reset everything used for each loop when loading 
@@ -799,6 +799,11 @@ static int setopt(int count, char *vars[])
                                        "Field %s can not be used with exclude 
filter list\n", optarg);
                                retval = -1;
                                break;
+                       case -19:
+                               fprintf(stderr,
+                                       "Key field needs a watch or syscall 
given prior to it\n");
+                               retval = -1;
+                               break;
                        default:
                                retval = -1;
                                break;

-- 
Regards
Zhang Xiliang

--
Linux-audit mailing list
[email protected]
https://www.redhat.com/mailman/listinfo/linux-audit

Reply via email to