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authorPeter Hurley <peter@hurleysoftware.com>2015-11-08 08:52:31 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-12-09 14:31:25 -0500
commitb7861b3137c40241cc299345a47be7f7d1efae10 (patch)
tree2e8ef5863b56344cfd59772fa4526a9896df6ffa
parent761a753f6d8ce48b0e0a4c5e868fe8453f378786 (diff)
tty: audit: Fix audit source
commit 6b2a3d628aa752f0ab825fc6d4d07b09e274d1c1 upstream. The data to audit/record is in the 'from' buffer (ie., the input read buffer). Fixes: 72586c6061ab ("n_tty: Fix auditing support for cannonical mode") Cc: Miloslav Trmač <mitr@redhat.com> Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Acked-by: Laura Abbott <labbott@fedoraproject.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/tty/n_tty.c2
-rw-r--r--drivers/tty/tty_audit.c2
-rw-r--r--include/linux/tty.h6
3 files changed, 5 insertions, 5 deletions
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index afc1879f66e0..dedac8ab85bf 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -169,7 +169,7 @@ static inline int tty_copy_to_user(struct tty_struct *tty,
{
struct n_tty_data *ldata = tty->disc_data;
- tty_audit_add_data(tty, to, n, ldata->icanon);
+ tty_audit_add_data(tty, from, n, ldata->icanon);
return copy_to_user(to, from, n);
}
diff --git a/drivers/tty/tty_audit.c b/drivers/tty/tty_audit.c
index 90ca082935f6..3d245cd3d8e6 100644
--- a/drivers/tty/tty_audit.c
+++ b/drivers/tty/tty_audit.c
@@ -265,7 +265,7 @@ static struct tty_audit_buf *tty_audit_buf_get(struct tty_struct *tty,
*
* Audit @data of @size from @tty, if necessary.
*/
-void tty_audit_add_data(struct tty_struct *tty, unsigned char *data,
+void tty_audit_add_data(struct tty_struct *tty, const void *data,
size_t size, unsigned icanon)
{
struct tty_audit_buf *buf;
diff --git a/include/linux/tty.h b/include/linux/tty.h
index ad6c8913aa3e..342a760d5729 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -605,7 +605,7 @@ extern void n_tty_inherit_ops(struct tty_ldisc_ops *ops);
/* tty_audit.c */
#ifdef CONFIG_AUDIT
-extern void tty_audit_add_data(struct tty_struct *tty, unsigned char *data,
+extern void tty_audit_add_data(struct tty_struct *tty, const void *data,
size_t size, unsigned icanon);
extern void tty_audit_exit(void);
extern void tty_audit_fork(struct signal_struct *sig);
@@ -613,8 +613,8 @@ extern void tty_audit_tiocsti(struct tty_struct *tty, char ch);
extern void tty_audit_push(struct tty_struct *tty);
extern int tty_audit_push_current(void);
#else
-static inline void tty_audit_add_data(struct tty_struct *tty,
- unsigned char *data, size_t size, unsigned icanon)
+static inline void tty_audit_add_data(struct tty_struct *tty, const void *data,
+ size_t size, unsigned icanon)
{
}
static inline void tty_audit_tiocsti(struct tty_struct *tty, char ch)