Module Name: src Committed By: christos Date: Wed Nov 15 03:15:28 UTC 2023
Modified Files: src/lib/libc/ssp: Makefile.inc Added Files: src/lib/libc/ssp: ssp_redirect.c Log Message: provide materialized functions for the ssp overriden inlines To generate a diff of this commit: cvs rdiff -u -r1.5 -r1.6 src/lib/libc/ssp/Makefile.inc cvs rdiff -u -r0 -r1.1 src/lib/libc/ssp/ssp_redirect.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/lib/libc/ssp/Makefile.inc diff -u src/lib/libc/ssp/Makefile.inc:1.5 src/lib/libc/ssp/Makefile.inc:1.6 --- src/lib/libc/ssp/Makefile.inc:1.5 Sun Apr 6 15:29:37 2014 +++ src/lib/libc/ssp/Makefile.inc Tue Nov 14 22:15:28 2023 @@ -1,11 +1,11 @@ -# $NetBSD: Makefile.inc,v 1.5 2014/04/06 19:29:37 christos Exp $ +# $NetBSD: Makefile.inc,v 1.6 2023/11/15 03:15:28 christos Exp $ .PATH: ${.CURDIR}/ssp SSP_SRCS= gets_chk.c fgets_chk.c memcpy_chk.c memmove_chk.c memset_chk.c \ snprintf_chk.c sprintf_chk.c stpcpy_chk.c stpncpy_chk.c \ strcat_chk.c strcpy_chk.c strncat_chk.c strncpy_chk.c \ - vsnprintf_chk.c vsprintf_chk.c + vsnprintf_chk.c vsprintf_chk.c ssp_redirect.c .for i in ${SSP_SRCS} SRCS+=${i} Added files: Index: src/lib/libc/ssp/ssp_redirect.c diff -u /dev/null src/lib/libc/ssp/ssp_redirect.c:1.1 --- /dev/null Tue Nov 14 22:15:28 2023 +++ src/lib/libc/ssp/ssp_redirect.c Tue Nov 14 22:15:28 2023 @@ -0,0 +1,56 @@ +/* $NetBSD: ssp_redirect.c,v 1.1 2023/11/15 03:15:28 christos Exp $ */ + +/*- + * Copyright (c) 2023 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Christos Zoulas. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#undef _FORTIFY_SOURCE +#define _FORTIFY_SOURCE 2 +#define __ssp_inline + +#include <sys/cdefs.h> +__RCSID("$NetBSD: ssp_redirect.c,v 1.1 2023/11/15 03:15:28 christos Exp $"); + +#include <unistd.h> + +int ssp_use(void); + +/* + * Provide definitions of the redirect functions in libc. + */ +int +ssp_use(void) +{ + if (getcwd(NULL, 0) == NULL) + return -1; + if (read(-1, NULL, 0) == -1) + return -1; + if (readlink(NULL, NULL, 0) == -1) + return -1; + return 0; +}