gnome-keyring/gnome-keyring-42.0-fix-strncpy.patch

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2022-05-23 14:26:36 +00:00
From f532e3de2bd77465c976abc913e3f0a5cd09a5d2 Mon Sep 17 00:00:00 2001
From: Matt Turner <mattst88@gmail.com>
Date: Sun, 22 May 2022 13:00:46 -0400
Subject: [PATCH] pkcs11: Don't use strncpy when copying paths
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Using strncpy produces the following warning, which indicates that the
destination string could be left unterminated.
CC daemon/control/gkd-control-server.lo
CCLD libgkd-control.la
CC pkcs11/rpc-layer/libgkm_rpc_layer_la-gkm-rpc-dispatch.lo
In file included from /usr/include/string.h:519,
from /usr/include/glib-2.0/glib/galloca.h:33,
from /usr/include/glib-2.0/glib.h:30,
from ./egg/egg-error.h:24,
from pkcs11/rpc-layer/gkm-rpc-dispatch.c:31:
In function strncpy,
inlined from gkm_rpc_layer_startup at pkcs11/rpc-layer/gkm-rpc-dispatch.c:2382:2:
/usr/include/bits/string_fortified.h:95:10: warning: __builtin_strncpy specified bound 108 equals destination size [-Wstringop-truncation]
95 | return __builtin___strncpy_chk (__dest, __src, __len,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
96 | __glibc_objsize (__dest));
| ~~~~~~~~~~~~~~~~~~~~~~~~~
---
pkcs11/rpc-layer/gkm-rpc-dispatch.c | 4 +++-
pkcs11/rpc-layer/gkm-rpc-module.c | 4 +++-
2 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/pkcs11/rpc-layer/gkm-rpc-dispatch.c b/pkcs11/rpc-layer/gkm-rpc-dispatch.c
index 72d2ced1..dbedb355 100644
--- a/pkcs11/rpc-layer/gkm-rpc-dispatch.c
+++ b/pkcs11/rpc-layer/gkm-rpc-dispatch.c
@@ -31,6 +31,8 @@
#include "egg/egg-error.h"
#include "egg/egg-unix-credentials.h"
+#include <glib.h>
+
#include <sys/types.h>
#include <sys/param.h>
#include <sys/socket.h>
@@ -2379,7 +2381,7 @@ gkm_rpc_layer_startup (const char *prefix)
memset(&addr, 0, sizeof(addr));
addr.sun_family = AF_UNIX;
unlink (pkcs11_socket_path);
- strncpy (addr.sun_path, pkcs11_socket_path, sizeof (addr.sun_path));
+ g_strlcpy (addr.sun_path, pkcs11_socket_path, sizeof (addr.sun_path));
if (bind (sock, (struct sockaddr*)&addr, sizeof (addr)) < 0) {
gkm_rpc_warn ("couldn't bind to pkcs11 socket: %s: %s",
pkcs11_socket_path, strerror (errno));
diff --git a/pkcs11/rpc-layer/gkm-rpc-module.c b/pkcs11/rpc-layer/gkm-rpc-module.c
index 24457ce1..515b18a4 100644
--- a/pkcs11/rpc-layer/gkm-rpc-module.c
+++ b/pkcs11/rpc-layer/gkm-rpc-module.c
@@ -29,6 +29,8 @@
#include "egg/egg-unix-credentials.h"
+#include <glib.h>
+
#include <sys/types.h>
#include <sys/param.h>
#include <sys/socket.h>
@@ -233,7 +235,7 @@ call_connect (CallState *cs)
debug (("connecting to: %s", pkcs11_socket_path));
addr.sun_family = AF_UNIX;
- strncpy (addr.sun_path, pkcs11_socket_path, sizeof (addr.sun_path));
+ g_strlcpy (addr.sun_path, pkcs11_socket_path, sizeof (addr.sun_path));
sock = socket (AF_UNIX, SOCK_STREAM, 0);
if (sock < 0) {
--
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