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/*
* Copyright (C) 2009 Martin Willi
* Hochschule fuer Technik Rapperswil, Switzerland
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#define _GNU_SOURCE
#include <stdlib.h>
#include <stdio.h>
#include <dlfcn.h>
#include <library.h>
/* we need to fake the pluto symbol to dlopen() the xauth plugin */
void *pluto;
int main(int argc, char* argv[])
{
int i;
integrity_checker_t *integrity;
/* avoid confusing leak reports in build process */
setenv("LEAK_DETECTIVE_DISABLE", "1", 0);
library_init(NULL);
atexit(library_deinit);
integrity = integrity_checker_create(NULL);
printf("/**\n");
printf(" * checksums of files and loaded code segments.\n");
printf(" * created by %s\n", argv[0]);
printf(" */\n");
printf("\n");
printf("#include <library.h>\n");
printf("\n");
printf("integrity_checksum_t checksums[] = {\n");
fprintf(stderr, "integrity test data:\n");
fprintf(stderr, "module name, file size / checksum segment size / checksum\n");
for (i = 1; i < argc; i++)
{
char *name, *path, *sname = NULL;
void *handle, *symbol;
u_int32_t fsum, ssum;
size_t fsize = 0;
size_t ssize = 0;
path = argv[i];
if ((name = strstr(path, "libstrongswan-")))
{
name = strdup(name + strlen("libstrongswan-"));
name[strlen(name) - 3] = '"';
name[strlen(name) - 2] = ',';
name[strlen(name) - 1] = '\0';
if (asprintf(&sname, "%.*s_plugin_create", strlen(name) - 2,
name) < 0)
{
fprintf(stderr, "failed to format plugin constructor "
"for '%s', ignored", path);
free(name);
continue;
}
translate(sname, "-", "_");
}
else if (strstr(path, "libstrongswan.so"))
{
name = strdup("libstrongswan\",");
sname = strdup("library_init");
}
else if (strstr(path, "libhydra.so"))
{
name = strdup("libhydra\",");
sname = strdup("libhydra_init");
}
else if (strstr(path, "libcharon.so"))
{
name = strdup("libcharon\",");
sname = strdup("libcharon_init");
}
else if (strstr(path, "pool"))
{
name = strdup("pool\",");
}
else if (strstr(path, "charon"))
{
name = strdup("charon\",");
}
else if (strstr(path, "pluto"))
{
name = strdup("pluto\",");
}
else if (strstr(path, "openac"))
{
name = strdup("openac\",");
}
else if (strstr(path, "scepclient"))
{
name = strdup("scepclient\",");
}
else if (strstr(path, "pki"))
{
name = strdup("pki\",");
}
else
{
fprintf(stderr, "don't know how to handle '%s', ignored", path);
continue;
}
fsum = integrity->build_file(integrity, path, &fsize);
ssum = 0;
if (sname)
{
handle = dlopen(path, RTLD_LAZY);
if (handle)
{
symbol = dlsym(handle, sname);
if (symbol)
{
ssum = integrity->build_segment(integrity, symbol, &ssize);
}
else
{
fprintf(stderr, "symbol lookup failed: %s\n", dlerror());
}
dlclose(handle);
}
else
{
fprintf(stderr, "dlopen failed: %s\n", dlerror());
}
}
printf("\t{\"%-20s%7u, 0x%08x, %6u, 0x%08x},\n",
name, fsize, fsum, ssize, ssum);
fprintf(stderr, "\"%-20s%7u / 0x%08x %6u / 0x%08x\n",
name, fsize, fsum, ssize, ssum);
free(sname);
free(name);
}
printf("};\n");
printf("\n");
printf("int checksum_count = countof(checksums);\n");
printf("\n");
integrity->destroy(integrity);
exit(0);
}
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