118 lines
3.2 KiB
C
118 lines
3.2 KiB
C
/* $NetBSD: checkrc.c,v 1.1 2014/07/26 19:30:44 dholland Exp $ */
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/*-
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* Copyright (c) 2012 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jeffrey C. Rizzo
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/* checkrc.c -- Create a script on the target to check the state of
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* its rc.conf variables. */
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#include <curses.h>
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#include <err.h>
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#include <stdio.h>
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#include "defs.h"
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#include "msg_defs.h"
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#include "menu_defs.h"
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#define RC_CHECK_SCRIPT "/tmp/checkrc.sh"
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static int create_script(const char *, int);
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static int check(const char *, int);
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char *rcconf = NULL;
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enum {
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CHECK_CONF,
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CHECK_DEFAULT
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};
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static int
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create_script(const char *varname, int filetocheck)
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{
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FILE *fp;
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if ((fp = fopen(target_expand(RC_CHECK_SCRIPT), "w")) == NULL) {
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if (logfp)
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fprintf(logfp,"Could not open %s for writing",
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target_expand(RC_CHECK_SCRIPT));
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warn("Could not open %s for writing",
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target_expand(RC_CHECK_SCRIPT));
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return 1;
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}
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if (filetocheck == CHECK_DEFAULT)
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fprintf(fp, "#!/bin/sh\n. /etc/defaults/rc.conf\n"
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". /etc/rc.subr\n");
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else
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fprintf(fp, "#!/bin/sh\n. /etc/rc.conf\n. /etc/rc.subr\n");
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fprintf(fp, "if checkyesno %s\nthen\necho YES\nelse\necho NO\nfi\n",
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varname);
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fclose(fp);
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return 0;
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}
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static int
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check(const char *varname, int filetocheck)
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{
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char *buf;
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create_script(varname, filetocheck);
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if (target_already_root())
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collect(T_OUTPUT, &buf, "/bin/sh %s 2>&1", RC_CHECK_SCRIPT);
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else
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collect(T_OUTPUT, &buf, "chroot %s /bin/sh %s 2>&1",
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target_prefix(), RC_CHECK_SCRIPT);
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unlink(target_expand(RC_CHECK_SCRIPT));
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if (logfp) {
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fprintf(logfp,"var %s is %s\n", varname, buf);
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fflush(logfp);
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}
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if (strncmp(buf, "YES", strlen("YES")) == 0)
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return 1;
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else
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return 0;
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}
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int
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check_rcvar(const char *varname)
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{
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return check(varname, CHECK_CONF);
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}
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int
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check_rcdefault(const char *varname)
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{
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return check(varname, CHECK_DEFAULT);
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}
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