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 #include <signal.h>
28 #endif
29
30 #include "internal.h"
31
32
IsFIPS(const std::vector<std::string> & args)33 static bool IsFIPS(const std::vector<std::string> &args) {
34 printf("%d\n", FIPS_mode());
35 return true;
36 }
37
38 typedef bool (*tool_func_t)(const std::vector<std::string> &args);
39
40 struct Tool {
41 const char *name;
42 tool_func_t func;
43 };
44
45 static const Tool kTools[] = {
46 { "ciphers", Ciphers },
47 { "client", Client },
48 { "isfips", IsFIPS },
49 { "generate-ech", GenerateECH},
50 { "generate-ed25519", GenerateEd25519Key },
51 { "genrsa", GenerateRSAKey },
52 { "md5sum", MD5Sum },
53 { "pkcs12", DoPKCS12 },
54 { "rand", Rand },
55 { "s_client", Client },
56 { "s_server", Server },
57 { "server", Server },
58 { "sha1sum", SHA1Sum },
59 { "sha224sum", SHA224Sum },
60 { "sha256sum", SHA256Sum },
61 { "sha384sum", SHA384Sum },
62 { "sha512sum", SHA512Sum },
63 { "sha512256sum", SHA512256Sum },
64 { "sign", Sign },
65 { "speed", Speed },
66 { "", nullptr },
67 };
68
usage(const char * name)69 static void usage(const char *name) {
70 printf("Usage: %s COMMAND\n", name);
71 printf("\n");
72 printf("Available commands:\n");
73
74 for (size_t i = 0;; i++) {
75 const Tool &tool = kTools[i];
76 if (tool.func == nullptr) {
77 break;
78 }
79 printf(" %s\n", tool.name);
80 }
81 }
82
FindTool(const std::string & name)83 static tool_func_t FindTool(const std::string &name) {
84 for (size_t i = 0;; i++) {
85 const Tool &tool = kTools[i];
86 if (tool.func == nullptr || name == tool.name) {
87 return tool.func;
88 }
89 }
90 }
91
main(int argc,char ** argv)92 int main(int argc, char **argv) {
93 #if defined(OPENSSL_WINDOWS)
94 // Read and write in binary mode. This makes bssl on Windows consistent with
95 // bssl on other platforms, and also makes it consistent with MSYS's commands
96 // like diff(1) and md5sum(1). This is especially important for the digest
97 // commands.
98 if (_setmode(_fileno(stdin), _O_BINARY) == -1) {
99 perror("_setmode(_fileno(stdin), O_BINARY)");
100 return 1;
101 }
102 if (_setmode(_fileno(stdout), _O_BINARY) == -1) {
103 perror("_setmode(_fileno(stdout), O_BINARY)");
104 return 1;
105 }
106 if (_setmode(_fileno(stderr), _O_BINARY) == -1) {
107 perror("_setmode(_fileno(stderr), O_BINARY)");
108 return 1;
109 }
110 #else
111 signal(SIGPIPE, SIG_IGN);
112 #endif
113
114 CRYPTO_library_init();
115
116 int starting_arg = 1;
117 tool_func_t tool = nullptr;
118 #if !defined(OPENSSL_WINDOWS)
119 tool = FindTool(basename(argv[0]));
120 #endif
121 if (tool == nullptr) {
122 starting_arg++;
123 if (argc > 1) {
124 tool = FindTool(argv[1]);
125 }
126 }
127 if (tool == nullptr) {
128 usage(argv[0]);
129 return 1;
130 }
131
132 std::vector<std::string> args;
133 for (int i = starting_arg; i < argc; i++) {
134 args.push_back(argv[i]);
135 }
136
137 if (!tool(args)) {
138 ERR_print_errors_fp(stderr);
139 return 1;
140 }
141
142 return 0;
143 }
144