tmux: 3.3a -> 3.4

From 01f753df5dc269cf054b94c3f210aa880872d602 Mon Sep 17 00:00:00 2001

From: nicm <nicm>

Date: Wed, 24 Aug 2022 07:22:30 +0000

Subject: [PATCH] Check for NULL returns from bufferevent_new.

(cherry picked from commit e86752820993a00e3d28350cbe46878ba95d9012)

---

 control.c | 4 ++++

 file.c    | 4 ++++

 window.c  | 2 ++

 3 files changed, 10 insertions(+)

diff --git a/control.c b/control.c

index 73286e00..6183a006 100644

--- a/control.c

+++ b/control.c

@@ -775,6 +775,8 @@ control_start(struct client *c)

 	cs->read_event = bufferevent_new(c->fd, control_read_callback,

 	    control_write_callback, control_error_callback, c);

+	if (cs->read_event == NULL)

+		fatalx("out of memory");

 	bufferevent_enable(cs->read_event, EV_READ);

 	if (c->flags & CLIENT_CONTROLCONTROL)

@@ -782,6 +784,8 @@ control_start(struct client *c)

 	else {

 		cs->write_event = bufferevent_new(c->out_fd, NULL,

 		    control_write_callback, control_error_callback, c);

+		if (cs->write_event == NULL)

+			fatalx("out of memory");

 	}

 	bufferevent_setwatermark(cs->write_event, EV_WRITE, CONTROL_BUFFER_LOW,

 	    0);

diff --git a/file.c b/file.c

index b2f155fe..04a907bf 100644

--- a/file.c

+++ b/file.c

@@ -585,6 +585,8 @@ file_write_open(struct client_files *files, struct tmuxpeer *peer,

 	cf->event = bufferevent_new(cf->fd, NULL, file_write_callback,

 	    file_write_error_callback, cf);

+	if (cf->event == NULL)

+		fatalx("out of memory");

 	bufferevent_enable(cf->event, EV_WRITE);

 	goto reply;

@@ -744,6 +746,8 @@ file_read_open(struct client_files *files, struct tmuxpeer *peer,

 	cf->event = bufferevent_new(cf->fd, file_read_callback, NULL,

 	    file_read_error_callback, cf);

+	if (cf->event == NULL)

+		fatalx("out of memory");

 	bufferevent_enable(cf->event, EV_READ);

 	return;

diff --git a/window.c b/window.c

index c0cd9bdc..294a1f08 100644

--- a/window.c

+++ b/window.c

@@ -1042,6 +1042,8 @@ window_pane_set_event(struct window_pane *wp)

 	wp->event = bufferevent_new(wp->fd, window_pane_read_callback,

 	    NULL, window_pane_error_callback, wp);

+	if (wp->event == NULL)

+		fatalx("out of memory");

 	wp->ictx = input_init(wp, wp->event, &wp->palette);

 	bufferevent_enable(wp->event, EV_READ|EV_WRITE);

-- 

2.39.1

, withSystemd ? lib.meta.availableOn stdenv.hostPlatform systemd, systemd

, withUtf8proc ? true, utf8proc # gets Unicode updates faster than glibc

, withUtempter ? stdenv.isLinux && !stdenv.hostPlatform.isMusl, libutempter

, withSixel ? true

}:

let

stdenv.mkDerivation (finalAttrs: {

  pname = "tmux";

  version = "3.3a";

  version = "3.4";

  outputs = [ "out" "man" ];

    owner = "tmux";

    repo = "tmux";

    rev = finalAttrs.version;

    sha256 = "sha256-SygHxTe7N4y7SdzKixPFQvqRRL57Fm8zWYHfTpW+yVY=";

    hash = "sha256-RX3RZ0Mcyda7C7im1r4QgUxTnp95nfpGgQ2HRxr0s64=";

  };

  patches = [

    ./CVE-2022-47016.patch

  ];

  nativeBuildInputs = [

    pkg-config

    autoreconfHook

    "--sysconfdir=/etc"

    "--localstatedir=/var"

  ] ++ lib.optionals withSystemd [ "--enable-systemd" ]

  ++ lib.optionals withSixel [ "--enable-sixel" ]

  ++ lib.optionals withUtempter [ "--enable-utempter" ]

  ++ lib.optionals withUtf8proc [ "--enable-utf8proc" ];