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