freebsd-dev/sbin/ldconfig/ldconfig.c
Konstantin Belousov fcbb1441d0 ldconfig: remove two symbols
_PATH_LD32_HINTS is unused because it is a.out remnant.
_PATH_ELF32_HINTS is provided by rtld_paths.h already.

Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
2022-01-08 12:45:46 +02:00

131 lines
3.3 KiB
C

/*-
* SPDX-License-Identifier: BSD-4-Clause
*
* Copyright (c) 1993,1995 Paul Kranenburg
* All rights reserved.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Paul Kranenburg.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
#include <sys/param.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <a.out.h>
#include <ctype.h>
#include <dirent.h>
#include <elf-hints.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "ldconfig.h"
#include "rtld_paths.h"
static void usage(void);
int
main(int argc, char **argv)
{
const char *hints_file;
int c;
bool is_32, justread, merge, rescan, verbose;
is_32 = justread = merge = rescan = verbose = false;
while (argc > 1) {
if (strcmp(argv[1], "-aout") == 0) {
errx(1, "aout is not supported");
} else if (strcmp(argv[1], "-elf") == 0) {
argc--;
argv++;
} else if (strcmp(argv[1], "-32") == 0) {
is_32 = true;
argc--;
argv++;
} else {
break;
}
}
if (is_32)
hints_file = _PATH_ELF32_HINTS;
else
hints_file = _PATH_ELF_HINTS;
while((c = getopt(argc, argv, "Rf:imrsv")) != -1) {
switch (c) {
case 'R':
rescan = true;
break;
case 'f':
hints_file = optarg;
break;
case 'i':
insecure = true;
break;
case 'm':
merge = true;
break;
case 'r':
justread = true;
break;
case 's':
/* was nostd */
break;
case 'v':
verbose = true;
break;
default:
usage();
break;
}
}
if (justread) {
list_elf_hints(hints_file);
} else {
if (argc == optind)
rescan = true;
update_elf_hints(hints_file, argc - optind,
argv + optind, merge || rescan);
}
exit(0);
}
static void
usage(void)
{
fprintf(stderr,
"usage: ldconfig [-32] [-elf] [-Rimrv] [-f hints_file] "
"[directory | file ...]\n");
exit(1);
}