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https://github.com/sudo-project/sudo.git
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12f3bdf60e
statically compiling in the sudoers plugin but still allow other plugins to be loaded. The new --enable-static-sudoers configure option will cause the sudoers plugin to be compiled statically into the sudo binary. This does not prevent other plugins from being loaded as per sudo.conf.
115 lines
2.9 KiB
C
115 lines
2.9 KiB
C
/*
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* Copyright (c) 2012-2013 Todd C. Miller <Todd.Miller@courtesan.com>
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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 <sys/types.h>
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#include <stdio.h>
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#ifdef STDC_HEADERS
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# include <stdlib.h>
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# include <stddef.h>
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#else
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# ifdef HAVE_STDLIB_H
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# include <stdlib.h>
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# endif
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#endif /* STDC_HEADERS */
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#ifdef HAVE_STRING_H
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# if defined(HAVE_MEMORY_H) && !defined(STDC_HEADERS)
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# include <memory.h>
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# endif
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# include <string.h>
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#endif /* HAVE_STRING_H */
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif /* HAVE_STRINGS_H */
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#include <errno.h>
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#include <limits.h>
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#include "missing.h"
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#include "sudo_dso.h"
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#include "fatal.h"
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#ifndef LINE_MAX
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# define LINE_MAX 2048
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#endif
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__dso_public int main(int argc, char *argv[]);
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static void
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usage(void)
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{
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fprintf(stderr, "usage: load_symbols plugin.so symbols_file\n");
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exit(1);
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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 ntests = 0, errors = 0;
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#if !defined(HAVE_GETPROGNAME) && !defined(HAVE___PROGNAME)
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setprogname(argc > 0 ? argv[0] : "check_symbols");
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#endif
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if (argc != 3)
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usage();
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plugin_path = argv[1];
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symbols_file = argv[2];
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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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fatalx_nodebug("unable to load %s: %s", plugin_path, sudo_dso_strerror());
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fp = fopen(symbols_file, "r");
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if (fp == NULL)
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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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printf("%s: test %d: unable to resolve symbol %s: %s\n",
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getprogname(), ntests, line, sudo_dso_strerror());
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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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printf("%s: %d tests run, %d errors, %d%% success rate\n", getprogname(),
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ntests, errors, (ntests - errors) * 100 / ntests);
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exit(errors);
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}
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