8b7cc20f79
Remove support for -soft and its implementation. This arg was never documented, so no need to remove it from the man page. Sponsored by: Netflix
134 lines
3.4 KiB
C
134 lines
3.4 KiB
C
/*-
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* SPDX-License-Identifier: BSD-4-Clause
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*
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* Copyright (c) 1993,1995 Paul Kranenburg
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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 Paul Kranenburg.
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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/types.h>
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#include <sys/stat.h>
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#include <sys/mman.h>
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#include <a.out.h>
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#include <ctype.h>
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#include <dirent.h>
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#include <elf-hints.h>
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "ldconfig.h"
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#include "rtld_paths.h"
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#define _PATH_LD32_HINTS "/var/run/ld32.so.hints"
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#define _PATH_ELF32_HINTS "/var/run/ld-elf32.so.hints"
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static void usage(void);
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int
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main(int argc, char **argv)
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{
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const char *hints_file;
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int c;
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bool is_32, justread, merge, rescan, verbose;
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is_32 = justread = merge = rescan = verbose = false;
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while (argc > 1) {
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if (strcmp(argv[1], "-aout") == 0) {
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errx(1, "aout is not supported");
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} else if (strcmp(argv[1], "-elf") == 0) {
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argc--;
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argv++;
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} else if (strcmp(argv[1], "-32") == 0) {
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is_32 = true;
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argc--;
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argv++;
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} else {
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break;
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}
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}
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if (is_32)
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hints_file = _PATH_ELF32_HINTS;
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else
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hints_file = _PATH_ELF_HINTS;
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while((c = getopt(argc, argv, "Rf:imrsv")) != -1) {
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switch (c) {
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case 'R':
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rescan = true;
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break;
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case 'f':
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hints_file = optarg;
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break;
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case 'i':
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insecure = true;
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break;
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case 'm':
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merge = true;
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break;
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case 'r':
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justread = true;
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break;
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case 's':
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/* was nostd */
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break;
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case 'v':
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verbose = true;
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break;
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default:
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usage();
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break;
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}
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}
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if (justread) {
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list_elf_hints(hints_file);
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} else {
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if (argc == optind)
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rescan = true;
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update_elf_hints(hints_file, argc - optind,
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argv + optind, merge || rescan);
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}
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exit(0);
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}
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static void
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usage(void)
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{
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fprintf(stderr,
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"usage: ldconfig [-32] [-elf] [-Rimrv] [-f hints_file] "
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"[directory | file ...]\n");
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exit(1);
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}
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