106 lines
2.5 KiB
C
106 lines
2.5 KiB
C
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/*
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* Copyright (C) 2009 Martin Willi
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* Hochschule fuer Technik Rapperswil, Switzerland
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <dlfcn.h>
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#include <library.h>
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/* we need some faked symbols to load charon plugins */
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char *charon = "adsf";
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int main(int argc, char* argv[])
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{
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int i;
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integrity_checker_t *integrity;
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/* avoid confusing leak reports in build process */
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setenv("LEAK_DETECTIVE_DISABLE", "1", 0);
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library_init(NULL);
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atexit(library_deinit);
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integrity = integrity_checker_create(NULL);
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printf("/**\n");
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printf(" * checksums of files and loaded code segments.\n");
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printf(" * created by %s\n", argv[0]);
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printf(" */\n");
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printf("\n");
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printf("#include <library.h>\n");
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printf("\n");
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printf("integrity_checksum_t checksums[] = {\n");
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for (i = 1; i < argc; i++)
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{
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char *name, *path, *sname;
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void *handle, *symbol;
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u_int32_t fsum, ssum;
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path = argv[i];
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if ((name = strstr(path, "libstrongswan-")))
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{
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name = strdup(name + strlen("libstrongswan-"));
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name[strlen(name) - 3] = '"';
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name[strlen(name) - 2] = ',';
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name[strlen(name) - 1] = '\0';
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sname = "plugin_create";
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}
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else if (strstr(path, "libstrongswan.so"))
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{
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name = strdup("libstrongswan\",");
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sname = "library_init";
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}
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else
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{
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fprintf(stderr, "don't know how to handle '%s', ignored", path);
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continue;
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}
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fsum = integrity->build_file(integrity, path);
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ssum = 0;
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handle = dlopen(path, RTLD_GLOBAL|RTLD_NOW);
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if (handle)
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{
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symbol = dlsym(handle, sname);
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if (symbol)
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{
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ssum = integrity->build_segment(integrity, symbol);
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}
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else
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{
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fprintf(stderr, "symbol lookup failed: %s\n", dlerror());
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}
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dlclose(handle);
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}
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else
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{
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fprintf(stderr, "dlopen failed: %s\n", dlerror());
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}
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printf("\t{\"%-20s0x%08x, 0x%08x},\n", name, fsum, ssum);
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free(name);
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}
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printf("};\n");
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printf("\n");
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printf("int checksum_count = countof(checksums);\n");
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printf("\n");
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integrity->destroy(integrity);
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exit(0);
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}
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