linux-kernel - [PATCH v3 3/6] vt/vt: Enable mode change via escape sequence

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <6bcf9322878e5712365b231a7d653e1470df9f1a.1594032517.git.tammo.block@gmail.com>
Date:   Mon, 6 Jul 2020 12:58:23 +0200
From:   Tammo Block <tammo.block@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.com>
Subject: [PATCH v3 3/6] vt/vt: Enable mode change via escape sequence

This enables userspace to enable one of the mouse protocols and choose
one of the new event types by escape sequences.

And don't forget to reset protocol value also if resetting vc.

Signed-off-by: Tammo Block <tammo.block@...il.com>
---
 drivers/tty/vt/vt.c | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 673177d4e859..3699e488ef19 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1896,13 +1896,25 @@ static void set_mode(struct vc_data *vc, int on_off)
 					clr_kbd(vc, decarm);
 				break;
 			case 9:
-				vc->vc_report_mouse = on_off ? 1 : 0;
+				vc->vc_report_mouse = on_off * TIOCL_REPORTBTNPRESS;
 				break;
 			case 25:		/* Cursor on/off */
 				vc->vc_deccm = on_off;
 				break;
 			case 1000:
-				vc->vc_report_mouse = on_off ? 2 : 0;
+				vc->vc_report_mouse = on_off * TIOCL_REPORTRELEASE;
+				break;
+			case 1002:
+				vc->vc_report_mouse = on_off * TIOCL_REPORTDRAG;
+				break;
+			case 1003:
+				vc->vc_report_mouse = on_off * TIOCL_REPORTANYMOVE;
+				break;
+			case 1006:
+				vc->vc_protocol_mouse = on_off * VC_PMOUSE_SRG;
+				break;
+			case 1015:
+				vc->vc_protocol_mouse = on_off * VC_PMOUSE_URXVT;
 				break;
 			}
 		} else {
@@ -2067,6 +2079,7 @@ static void reset_terminal(struct vc_data *vc, int do_clear)
 	vc->state.charset	= 0;
 	vc->vc_need_wrap	= 0;
 	vc->vc_report_mouse	= 0;
+	vc->vc_protocol_mouse	= VC_PMOUSE_X10;
 	vc->vc_utf              = default_utf8;
 	vc->vc_utf_count	= 0;
 
-- 
2.27.0