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| author | Al Viro <viro@zeniv.linux.org.uk> | 2006-08-31 19:26:40 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2006-09-11 13:32:30 -0400 |
| commit | 55669bfa141b488be865341ed12e188967d11308 (patch) | |
| tree | efeec37a93f46c48937eb849c083da9a42ed3709 /kernel/auditfilter.c | |
| parent | dc104fb3231f11e95b5a0f09ae3ab27a8fd5b2e8 (diff) | |
| download | linux-stable-55669bfa141b488be865341ed12e188967d11308.tar.gz linux-stable-55669bfa141b488be865341ed12e188967d11308.tar.bz2 linux-stable-55669bfa141b488be865341ed12e188967d11308.zip | |
[PATCH] audit: AUDIT_PERM support
add support for AUDIT_PERM predicate
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'kernel/auditfilter.c')
| -rw-r--r-- | kernel/auditfilter.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c index e4cafc11c510..a44879b0c72f 100644 --- a/kernel/auditfilter.c +++ b/kernel/auditfilter.c @@ -302,6 +302,15 @@ int __init audit_register_class(int class, unsigned *list) return 0; } +int audit_match_class(int class, unsigned syscall) +{ + if (unlikely(syscall >= AUDIT_BITMASK_SIZE * sizeof(__u32))) + return 0; + if (unlikely(class >= AUDIT_SYSCALL_CLASSES || !classes[class])) + return 0; + return classes[class][AUDIT_WORD(syscall)] & AUDIT_BIT(syscall); +} + /* Common user-space to kernel rule translation. */ static inline struct audit_entry *audit_to_entry_common(struct audit_rule *rule) { @@ -414,6 +423,10 @@ static struct audit_entry *audit_rule_to_entry(struct audit_rule *rule) case AUDIT_ARG2: case AUDIT_ARG3: break; + case AUDIT_PERM: + if (f->val & ~15) + goto exit_free; + break; case AUDIT_INODE: err = audit_to_inode(&entry->rule, f); if (err) @@ -568,6 +581,10 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data, entry->rule.buflen += f->val; entry->rule.filterkey = str; break; + case AUDIT_PERM: + if (f->val & ~15) + goto exit_free; + break; default: goto exit_free; } |