blob: 546091f3181fe7454a34b8b8ecfebaec9a74116e [file] [log] [blame]
/* Copyright (c) 2021, Google Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
#include <stdio.h>
#include <string>
#include <string.h>
#include <unistd.h>
#include <openssl/crypto.h>
#include <openssl/span.h>
#include "modulewrapper.h"
static bool EqString(bssl::Span<const uint8_t> cmd, const char *str) {
return cmd.size() == strlen(str) && memcmp(str, cmd.data(), cmd.size()) == 0;
}
int main(int argc, char **argv) {
if (argc == 2 && strcmp(argv[1], "--version") == 0) {
printf("Built for architecture: ");
#if defined(OPENSSL_X86_64)
puts("x86-64 (64-bit)");
#elif defined(OPENSSL_ARM)
puts("ARM (32-bit)");
#elif defined(OPENSSL_AARCH64)
puts("aarch64 (64-bit)");
#else
#error "FIPS build not supported on this architecture"
#endif
printf("Hardware acceleration enabled: %s\n",
CRYPTO_has_asm() ? "yes" : "no");
return 0;
} else if (argc != 1) {
fprintf(stderr, "Usage: %s [--version]\n", argv[0]);
return 4;
}
// modulewrapper buffers responses to the greatest degree allowed in order to
// fully exercise the async handling in acvptool.
std::unique_ptr<bssl::acvp::RequestBuffer> buffer =
bssl::acvp::RequestBuffer::New();
const bssl::acvp::ReplyCallback write_reply = std::bind(
bssl::acvp::WriteReplyToFd, STDOUT_FILENO, std::placeholders::_1);
const bssl::acvp::ReplyCallback buffer_reply =
std::bind(bssl::acvp::WriteReplyToBuffer, std::placeholders::_1);
for (;;) {
const bssl::Span<const bssl::Span<const uint8_t>> args =
ParseArgsFromFd(STDIN_FILENO, buffer.get());
if (args.empty()) {
return 1;
}
if (EqString(args[0], "flush")) {
if (!bssl::acvp::FlushBuffer(STDOUT_FILENO)) {
abort();
}
continue;
}
const bssl::acvp::Handler handler = bssl::acvp::FindHandler(args);
if (!handler) {
return 2;
}
auto &reply_callback =
EqString(args[0], "getConfig") ? write_reply : buffer_reply;
if (!handler(args.subspan(1).data(), reply_callback)) {
const std::string name(reinterpret_cast<const char *>(args[0].data()),
args[0].size());
fprintf(stderr, "\'%s\' operation failed.\n", name.c_str());
return 3;
}
}
};