mirror of https://github.com/sudo-project/sudo.git
115 lines
2.9 KiB
C
115 lines
2.9 KiB
C
/*
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* SPDX-License-Identifier: ISC
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*
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* Copyright (c) 2012-2015 Todd C. Miller <Todd.Miller@sudo.ws>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <config.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 <errno.h>
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#include <limits.h>
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#include <sudo_compat.h>
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#include <sudo_dso.h>
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#include <sudo_util.h>
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#include <sudo_fatal.h>
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sudo_dso_public int main(int argc, char *argv[]);
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sudo_noreturn static void
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usage(void)
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{
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fprintf(stderr, "usage: %s [-v] plugin.so symbols_file\n", getprogname());
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exit(EXIT_FAILURE);
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}
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int
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main(int argc, char *argv[])
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{
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void *handle, *sym;
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const char *plugin_path;
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const char *symbols_file;
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char *cp, line[LINE_MAX];
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FILE *fp;
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int ch, ntests = 0, errors = 0;
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initprogname(argc > 0 ? argv[0] : "check_symbols");
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while ((ch = getopt(argc, argv, "v")) != -1) {
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switch (ch) {
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case 'v':
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/* ignored */
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break;
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default:
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usage();
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/* NOTREACHED */
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}
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}
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argc -= optind;
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argv += optind;
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if (argc != 2)
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usage();
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plugin_path = argv[0];
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symbols_file = argv[1];
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handle = sudo_dso_load(plugin_path, SUDO_DSO_LAZY|SUDO_DSO_GLOBAL);
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if (handle == NULL) {
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const char *errstr = sudo_dso_strerror();
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sudo_fatalx_nodebug("unable to load %s: %s", plugin_path,
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errstr ? errstr : "unknown error");
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}
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fp = fopen(symbols_file, "r");
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if (fp == NULL)
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sudo_fatal_nodebug("unable to open %s", symbols_file);
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while (fgets(line, sizeof(line), fp) != NULL) {
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ntests++;
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if ((cp = strchr(line, '\n')) != NULL)
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*cp = '\0';
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sym = sudo_dso_findsym(handle, line);
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if (sym == NULL) {
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const char *errstr = sudo_dso_strerror();
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printf("%s: test %d: unable to resolve symbol %s: %s\n",
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getprogname(), ntests, line, errstr ? errstr : "unknown error");
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errors++;
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}
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}
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/*
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* Make sure unexported symbols are not available.
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*/
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ntests++;
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sym = sudo_dso_findsym(handle, "user_in_group");
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if (sym != NULL) {
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printf("%s: test %d: able to resolve local symbol user_in_group\n",
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getprogname(), ntests);
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errors++;
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}
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sudo_dso_unload(handle);
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if (ntests != 0) {
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printf("%s: %d tests run, %d errors, %d%% success rate\n",
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getprogname(), ntests, errors, (ntests - errors) * 100 / ntests);
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}
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exit(errors);
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}
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