67 lines
2.4 KiB
C
67 lines
2.4 KiB
C
/* $OpenBSD: exec_conf.c,v 1.38 2021/12/07 22:17:02 guenther Exp $ */
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/* $NetBSD: exec_conf.c,v 1.16 1995/12/09 05:34:47 cgd Exp $ */
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/*
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* Copyright (c) 1993, 1994 Christopher G. Demetriou
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Christopher G. Demetriou.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/param.h>
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#include <sys/exec.h>
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#include <sys/exec_script.h>
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#include <sys/exec_elf.h>
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const struct execsw execsw[] = {
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{ /* shell scripts */
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.es_hdrsz = EXEC_SCRIPT_HDRSZ,
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.es_check = exec_script_makecmds,
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},
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{ /* elf binaries */
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.es_hdrsz = sizeof(Elf_Ehdr),
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.es_check = exec_elf_makecmds,
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},
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};
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int nexecs = (sizeof execsw / sizeof(*execsw));
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int exec_maxhdrsz;
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void init_exec(void);
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void
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init_exec(void)
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{
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int i;
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/*
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* figure out the maximum size of an exec header.
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*/
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for (i = 0; i < nexecs; i++)
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if (execsw[i].es_check != NULL &&
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execsw[i].es_hdrsz > exec_maxhdrsz)
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exec_maxhdrsz = execsw[i].es_hdrsz;
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}
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