1 /* Copyright (c) 2014, 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 <string>
16 #include <vector>
17
18 #include <openssl/crypto.h>
19 #include <openssl/err.h>
20 #include <openssl/ssl.h>
21
22 #if defined(OPENSSL_WINDOWS)
23 #include <fcntl.h>
24 #include <io.h>
25 #else
26 #include <libgen.h>
27 #endif
28
29 #include "internal.h"
30
31
32 typedef bool (*tool_func_t)(const std::vector<std::string> &args);
33
34 struct Tool {
35 const char *name;
36 tool_func_t func;
37 };
38
39 static const Tool kTools[] = {
40 { "ciphers", Ciphers },
41 { "client", Client },
42 { "generate-ed25519", GenerateEd25519Key },
43 { "genrsa", GenerateRSAKey },
44 { "md5sum", MD5Sum },
45 { "pkcs12", DoPKCS12 },
46 { "rand", Rand },
47 { "s_client", Client },
48 { "s_server", Server },
49 { "server", Server },
50 { "sha1sum", SHA1Sum },
51 { "sha224sum", SHA224Sum },
52 { "sha256sum", SHA256Sum },
53 { "sha384sum", SHA384Sum },
54 { "sha512sum", SHA512Sum },
55 { "speed", Speed },
56 { "", nullptr },
57 };
58
usage(const char * name)59 static void usage(const char *name) {
60 printf("Usage: %s COMMAND\n", name);
61 printf("\n");
62 printf("Available commands:\n");
63
64 for (size_t i = 0;; i++) {
65 const Tool &tool = kTools[i];
66 if (tool.func == nullptr) {
67 break;
68 }
69 printf(" %s\n", tool.name);
70 }
71 }
72
FindTool(const std::string & name)73 static tool_func_t FindTool(const std::string &name) {
74 for (size_t i = 0;; i++) {
75 const Tool &tool = kTools[i];
76 if (tool.func == nullptr || name == tool.name) {
77 return tool.func;
78 }
79 }
80 }
81
main(int argc,char ** argv)82 int main(int argc, char **argv) {
83 #if defined(OPENSSL_WINDOWS)
84 // Read and write in binary mode. This makes bssl on Windows consistent with
85 // bssl on other platforms, and also makes it consistent with MSYS's commands
86 // like diff(1) and md5sum(1). This is especially important for the digest
87 // commands.
88 if (_setmode(_fileno(stdin), _O_BINARY) == -1) {
89 perror("_setmode(_fileno(stdin), O_BINARY)");
90 return 1;
91 }
92 if (_setmode(_fileno(stdout), _O_BINARY) == -1) {
93 perror("_setmode(_fileno(stdout), O_BINARY)");
94 return 1;
95 }
96 if (_setmode(_fileno(stderr), _O_BINARY) == -1) {
97 perror("_setmode(_fileno(stderr), O_BINARY)");
98 return 1;
99 }
100 #endif
101
102 CRYPTO_library_init();
103
104 int starting_arg = 1;
105 tool_func_t tool = nullptr;
106 #if !defined(OPENSSL_WINDOWS)
107 tool = FindTool(basename(argv[0]));
108 #endif
109 if (tool == nullptr) {
110 starting_arg++;
111 if (argc > 1) {
112 tool = FindTool(argv[1]);
113 }
114 }
115 if (tool == nullptr) {
116 usage(argv[0]);
117 return 1;
118 }
119
120 std::vector<std::string> args;
121 for (int i = starting_arg; i < argc; i++) {
122 args.push_back(argv[i]);
123 }
124
125 return !tool(args);
126 }
127