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 { "sha512256sum", SHA512256Sum },
62 { "sign", Sign },
63 { "speed", Speed },
64 { "", nullptr },
65 };
66
usage(const char * name)67 static void usage(const char *name) {
68 printf("Usage: %s COMMAND\n", name);
69 printf("\n");
70 printf("Available commands:\n");
71
72 for (size_t i = 0;; i++) {
73 const Tool &tool = kTools[i];
74 if (tool.func == nullptr) {
75 break;
76 }
77 printf(" %s\n", tool.name);
78 }
79 }
80
FindTool(const std::string & name)81 static tool_func_t FindTool(const std::string &name) {
82 for (size_t i = 0;; i++) {
83 const Tool &tool = kTools[i];
84 if (tool.func == nullptr || name == tool.name) {
85 return tool.func;
86 }
87 }
88 }
89
main(int argc,char ** argv)90 int main(int argc, char **argv) {
91 #if defined(OPENSSL_WINDOWS)
92 // Read and write in binary mode. This makes bssl on Windows consistent with
93 // bssl on other platforms, and also makes it consistent with MSYS's commands
94 // like diff(1) and md5sum(1). This is especially important for the digest
95 // commands.
96 if (_setmode(_fileno(stdin), _O_BINARY) == -1) {
97 perror("_setmode(_fileno(stdin), O_BINARY)");
98 return 1;
99 }
100 if (_setmode(_fileno(stdout), _O_BINARY) == -1) {
101 perror("_setmode(_fileno(stdout), O_BINARY)");
102 return 1;
103 }
104 if (_setmode(_fileno(stderr), _O_BINARY) == -1) {
105 perror("_setmode(_fileno(stderr), O_BINARY)");
106 return 1;
107 }
108 #endif
109
110 CRYPTO_library_init();
111
112 int starting_arg = 1;
113 tool_func_t tool = nullptr;
114 #if !defined(OPENSSL_WINDOWS)
115 tool = FindTool(basename(argv[0]));
116 #endif
117 if (tool == nullptr) {
118 starting_arg++;
119 if (argc > 1) {
120 tool = FindTool(argv[1]);
121 }
122 }
123 if (tool == nullptr) {
124 usage(argv[0]);
125 return 1;
126 }
127
128 std::vector<std::string> args;
129 for (int i = starting_arg; i < argc; i++) {
130 args.push_back(argv[i]);
131 }
132
133 if (!tool(args)) {
134 ERR_print_errors_fp(stderr);
135 return 1;
136 }
137
138 return 0;
139 }
140