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1 /* Copyright (c) 2021, Google Inc.
2  *
3  * Permission to use, copy, modify, and/or distribute this software for any
4  * purpose with or without fee is hereby granted, provided that the above
5  * copyright notice and this permission notice appear in all copies.
6  *
7  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
8  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
9  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
10  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
11  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
12  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
13  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
14 
15 #include <stdio.h>
16 #include <string>
17 #include <string.h>
18 #include <unistd.h>
19 
20 #include <openssl/crypto.h>
21 #include <openssl/span.h>
22 
23 #include "modulewrapper.h"
24 
25 
main(int argc,char ** argv)26 int main(int argc, char **argv) {
27   if (argc == 2 && strcmp(argv[1], "--version") == 0) {
28     printf("Built for architecture: ");
29 
30 #if defined(OPENSSL_X86_64)
31     puts("x86-64 (64-bit)");
32 #elif defined(OPENSSL_ARM)
33     puts("ARM (32-bit)");
34 #elif defined(OPENSSL_AARCH64)
35     puts("aarch64 (64-bit)");
36 #elif defined(OPENSSL_PPC64LE)
37     puts("PPC64LE (64-bit)");
38 #else
39 #error "FIPS build not supported on this architecture"
40 #endif
41 
42     printf("Hardware acceleration enabled: %s\n",
43            CRYPTO_has_asm() ? "yes" : "no");
44 
45     return 0;
46   } else if (argc != 1) {
47     fprintf(stderr, "Usage: %s [--version]\n", argv[0]);
48     return 4;
49   }
50 
51   std::unique_ptr<bssl::acvp::RequestBuffer> buffer =
52       bssl::acvp::RequestBuffer::New();
53   const bssl::acvp::ReplyCallback write_reply = std::bind(
54       bssl::acvp::WriteReplyToFd, STDOUT_FILENO, std::placeholders::_1);
55 
56   for (;;) {
57     const bssl::Span<const bssl::Span<const uint8_t>> args =
58         ParseArgsFromFd(STDIN_FILENO, buffer.get());
59     if (args.empty()) {
60       return 1;
61     }
62 
63     const bssl::acvp::Handler handler = bssl::acvp::FindHandler(args);
64     if (!handler) {
65       return 2;
66     }
67 
68     if (!handler(args.subspan(1).data(), write_reply)) {
69       const std::string name(reinterpret_cast<const char *>(args[0].data()),
70                              args[0].size());
71       fprintf(stderr, "\'%s\' operation failed.\n", name.c_str());
72       return 3;
73     }
74   }
75 };
76