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Diffstat (limited to 'kernel/auditsc.c')
-rw-r--r--kernel/auditsc.c40
1 files changed, 24 insertions, 16 deletions
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 56e56ed594a..c10e7aae04d 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -68,9 +68,6 @@
#include "audit.h"
-extern struct list_head audit_filter_list[];
-extern int audit_ever_enabled;
-
/* AUDIT_NAMES is the number of slots we reserve in the audit_context
* for saving names from getname(). */
#define AUDIT_NAMES 20
@@ -283,6 +280,19 @@ static int audit_match_perm(struct audit_context *ctx, int mask)
}
}
+static int audit_match_filetype(struct audit_context *ctx, int which)
+{
+ unsigned index = which & ~S_IFMT;
+ mode_t mode = which & S_IFMT;
+ if (index >= ctx->name_count)
+ return 0;
+ if (ctx->names[index].ino == -1)
+ return 0;
+ if ((ctx->names[index].mode ^ mode) & S_IFMT)
+ return 0;
+ return 1;
+}
+
/*
* We keep a linked list of fixed-sized (31 pointer) arrays of audit_chunk *;
* ->first_trees points to its beginning, ->trees - to the current end of data.
@@ -592,6 +602,9 @@ static int audit_filter_rules(struct task_struct *tsk,
case AUDIT_PERM:
result = audit_match_perm(ctx, f->val);
break;
+ case AUDIT_FILETYPE:
+ result = audit_match_filetype(ctx, f->val);
+ break;
}
if (!result)
@@ -1095,7 +1108,7 @@ static int audit_log_single_execve_arg(struct audit_context *context,
audit_log_format(*ab, "[%d]", i);
audit_log_format(*ab, "=");
if (has_cntl)
- audit_log_hex(*ab, buf, to_send);
+ audit_log_n_hex(*ab, buf, to_send);
else
audit_log_format(*ab, "\"%s\"", buf);
audit_log_format(*ab, "\n");
@@ -1296,7 +1309,6 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts
break; }
case AUDIT_SOCKETCALL: {
- int i;
struct audit_aux_data_socketcall *axs = (void *)aux;
audit_log_format(ab, "nargs=%d", axs->nargs);
for (i=0; i<axs->nargs; i++)
@@ -1307,7 +1319,7 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts
struct audit_aux_data_sockaddr *axs = (void *)aux;
audit_log_format(ab, "saddr=");
- audit_log_hex(ab, axs->a, axs->len);
+ audit_log_n_hex(ab, axs->a, axs->len);
break; }
case AUDIT_FD_PAIR: {
@@ -1321,7 +1333,6 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts
for (aux = context->aux_pids; aux; aux = aux->next) {
struct audit_aux_data_pids *axs = (void *)aux;
- int i;
for (i = 0; i < axs->pid_count; i++)
if (audit_log_pid_context(context, axs->target_pid[i],
@@ -1371,8 +1382,8 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts
default:
/* log the name's directory component */
audit_log_format(ab, " name=");
- audit_log_n_untrustedstring(ab, n->name_len,
- n->name);
+ audit_log_n_untrustedstring(ab, n->name,
+ n->name_len);
}
} else
audit_log_format(ab, " name=(null)");
@@ -1596,7 +1607,7 @@ static inline void handle_one(const struct inode *inode)
if (likely(put_tree_ref(context, chunk)))
return;
if (unlikely(!grow_tree_refs(context))) {
- printk(KERN_WARNING "out of memory, audit has lost a tree reference");
+ printk(KERN_WARNING "out of memory, audit has lost a tree reference\n");
audit_set_auditable(context);
audit_put_chunk(chunk);
unroll_tree_refs(context, p, count);
@@ -1656,7 +1667,7 @@ retry:
}
/* too bad */
printk(KERN_WARNING
- "out of memory, audit has lost a tree reference");
+ "out of memory, audit has lost a tree reference\n");
unroll_tree_refs(context, p, count);
audit_set_auditable(context);
return;
@@ -1752,13 +1763,13 @@ static int audit_inc_name_count(struct audit_context *context,
if (context->name_count >= AUDIT_NAMES) {
if (inode)
printk(KERN_DEBUG "name_count maxed, losing inode data: "
- "dev=%02x:%02x, inode=%lu",
+ "dev=%02x:%02x, inode=%lu\n",
MAJOR(inode->i_sb->s_dev),
MINOR(inode->i_sb->s_dev),
inode->i_ino);
else
- printk(KERN_DEBUG "name_count maxed, losing inode data");
+ printk(KERN_DEBUG "name_count maxed, losing inode data\n");
return 1;
}
context->name_count++;
@@ -2361,9 +2372,6 @@ int __audit_signal_info(int sig, struct task_struct *t)
struct audit_aux_data_pids *axp;
struct task_struct *tsk = current;
struct audit_context *ctx = tsk->audit_context;
- extern pid_t audit_sig_pid;
- extern uid_t audit_sig_uid;
- extern u32 audit_sig_sid;
if (audit_pid && t->tgid == audit_pid) {
if (sig == SIGTERM || sig == SIGHUP || sig == SIGUSR1) {