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
IsFIPS(const std::vector<std::string> & args)32 static bool IsFIPS(const std::vector<std::string> &args) {
33 printf("%d\n", FIPS_mode());
34 return true;
35 }
36
37 typedef bool (*tool_func_t)(const std::vector<std::string> &args);
38
39 struct Tool {
40 const char *name;
41 tool_func_t func;
42 };
43
44 static const Tool kTools[] = {
45 { "ciphers", Ciphers },
46 { "client", Client },
47 { "isfips", IsFIPS },
48 { "generate-ed25519", GenerateEd25519Key },
49 { "genrsa", GenerateRSAKey },
50 { "md5sum", MD5Sum },
51 { "pkcs12", DoPKCS12 },
52 { "rand", Rand },
53 { "s_client", Client },
54 { "s_server", Server },
55 { "server", Server },
56 { "sha1sum", SHA1Sum },
57 { "sha224sum", SHA224Sum },
58 { "sha256sum", SHA256Sum },
59 { "sha384sum", SHA384Sum },
60 { "sha512sum", SHA512Sum },
61 { "sign", Sign },
62 { "speed", Speed },
63 { "", nullptr },
64 };
65
usage(const char * name)66 static void usage(const char *name) {
67 printf("Usage: %s COMMAND\n", name);
68 printf("\n");
69 printf("Available commands:\n");
70
71 for (size_t i = 0;; i++) {
72 const Tool &tool = kTools[i];
73 if (tool.func == nullptr) {
74 break;
75 }
76 printf(" %s\n", tool.name);
77 }
78 }
79
FindTool(const std::string & name)80 static tool_func_t FindTool(const std::string &name) {
81 for (size_t i = 0;; i++) {
82 const Tool &tool = kTools[i];
83 if (tool.func == nullptr || name == tool.name) {
84 return tool.func;
85 }
86 }
87 }
88
main(int argc,char ** argv)89 int main(int argc, char **argv) {
90 #if defined(OPENSSL_WINDOWS)
91 // Read and write in binary mode. This makes bssl on Windows consistent with
92 // bssl on other platforms, and also makes it consistent with MSYS's commands
93 // like diff(1) and md5sum(1). This is especially important for the digest
94 // commands.
95 if (_setmode(_fileno(stdin), _O_BINARY) == -1) {
96 perror("_setmode(_fileno(stdin), O_BINARY)");
97 return 1;
98 }
99 if (_setmode(_fileno(stdout), _O_BINARY) == -1) {
100 perror("_setmode(_fileno(stdout), O_BINARY)");
101 return 1;
102 }
103 if (_setmode(_fileno(stderr), _O_BINARY) == -1) {
104 perror("_setmode(_fileno(stderr), O_BINARY)");
105 return 1;
106 }
107 #endif
108
109 CRYPTO_library_init();
110
111 int starting_arg = 1;
112 tool_func_t tool = nullptr;
113 #if !defined(OPENSSL_WINDOWS)
114 tool = FindTool(basename(argv[0]));
115 #endif
116 if (tool == nullptr) {
117 starting_arg++;
118 if (argc > 1) {
119 tool = FindTool(argv[1]);
120 }
121 }
122 if (tool == nullptr) {
123 usage(argv[0]);
124 return 1;
125 }
126
127 std::vector<std::string> args;
128 for (int i = starting_arg; i < argc; i++) {
129 args.push_back(argv[i]);
130 }
131
132 if (!tool(args)) {
133 ERR_print_errors_fp(stderr);
134 return 1;
135 }
136
137 return 0;
138 }
139