diff options
Diffstat (limited to 'kernel/auditfilter.c')
| -rw-r--r-- | kernel/auditfilter.c | 33 |
1 files changed, 25 insertions, 8 deletions
diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c index 92062fd6cc8c..8e9bc9c3dbb7 100644 --- a/kernel/auditfilter.c +++ b/kernel/auditfilter.c @@ -19,6 +19,8 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/kernel.h> #include <linux/audit.h> #include <linux/kthread.h> @@ -226,7 +228,7 @@ static int audit_match_signal(struct audit_entry *entry) #endif /* Common user-space to kernel rule translation. */ -static inline struct audit_entry *audit_to_entry_common(struct audit_rule *rule) +static inline struct audit_entry *audit_to_entry_common(struct audit_rule_data *rule) { unsigned listnr; struct audit_entry *entry; @@ -249,7 +251,7 @@ static inline struct audit_entry *audit_to_entry_common(struct audit_rule *rule) ; } if (unlikely(rule->action == AUDIT_POSSIBLE)) { - printk(KERN_ERR "AUDIT_POSSIBLE is deprecated\n"); + pr_err("AUDIT_POSSIBLE is deprecated\n"); goto exit_err; } if (rule->action != AUDIT_NEVER && rule->action != AUDIT_ALWAYS) @@ -403,7 +405,7 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data, int i; char *str; - entry = audit_to_entry_common((struct audit_rule *)data); + entry = audit_to_entry_common(data); if (IS_ERR(entry)) goto exit_nofree; @@ -431,6 +433,19 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data, f->val = 0; } + if ((f->type == AUDIT_PID) || (f->type == AUDIT_PPID)) { + struct pid *pid; + rcu_read_lock(); + pid = find_vpid(f->val); + if (!pid) { + rcu_read_unlock(); + err = -ESRCH; + goto exit_free; + } + f->val = pid_nr(pid); + rcu_read_unlock(); + } + err = audit_field_valid(entry, f); if (err) goto exit_free; @@ -479,8 +494,8 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data, /* Keep currently invalid fields around in case they * become valid after a policy reload. */ if (err == -EINVAL) { - printk(KERN_WARNING "audit rule for LSM " - "\'%s\' is invalid\n", str); + pr_warn("audit rule for LSM \'%s\' is invalid\n", + str); err = 0; } if (err) { @@ -709,8 +724,8 @@ static inline int audit_dupe_lsm_field(struct audit_field *df, /* Keep currently invalid fields around in case they * become valid after a policy reload. */ if (ret == -EINVAL) { - printk(KERN_WARNING "audit rule for LSM \'%s\' is " - "invalid\n", df->lsm_str); + pr_warn("audit rule for LSM \'%s\' is invalid\n", + df->lsm_str); ret = 0; } @@ -1240,12 +1255,14 @@ static int audit_filter_user_rules(struct audit_krule *rule, int type, for (i = 0; i < rule->field_count; i++) { struct audit_field *f = &rule->fields[i]; + pid_t pid; int result = 0; u32 sid; switch (f->type) { case AUDIT_PID: - result = audit_comparator(task_pid_vnr(current), f->op, f->val); + pid = task_pid_nr(current); + result = audit_comparator(pid, f->op, f->val); break; case AUDIT_UID: result = audit_uid_comparator(current_uid(), f->op, f->uid); |