xref: /freebsd/contrib/bearssl/tools/brssl.c (revision b9f654b163bce26de79705e77b872427c9f2afa1)
1 /*
2  * Copyright (c) 2016 Thomas Pornin <pornin@bolet.org>
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining
5  * a copy of this software and associated documentation files (the
6  * "Software"), to deal in the Software without restriction, including
7  * without limitation the rights to use, copy, modify, merge, publish,
8  * distribute, sublicense, and/or sell copies of the Software, and to
9  * permit persons to whom the Software is furnished to do so, subject to
10  * the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be
13  * included in all copies or substantial portions of the Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22  * SOFTWARE.
23  */
24 
25 #include <stdio.h>
26 #include <stdlib.h>
27 #include <string.h>
28 #include <stdint.h>
29 #include <errno.h>
30 
31 /*
32  * Network stuff on Windows requires some specific code.
33  */
34 #ifdef _WIN32
35 #include <winsock2.h>
36 #include <ws2tcpip.h>
37 #pragma comment(lib, "Ws2_32.lib")
38 #endif
39 
40 #include "brssl.h"
41 
42 static void
43 usage(void)
44 {
45 	fprintf(stderr, "usage: brssl command [ options ]\n");
46 	fprintf(stderr, "available commands:\n");
47 	fprintf(stderr, "   client       run SSL client\n");
48 	fprintf(stderr, "   server       run SSL server\n");
49 	fprintf(stderr, "   verify       verify certificate chain\n");
50 	fprintf(stderr, "   skey         decode private key\n");
51 	fprintf(stderr, "   ta           decode trust anchors\n");
52 	fprintf(stderr, "   chain        make C code for certificate chains\n");
53 	fprintf(stderr, "   twrch        run the Twrch protocol\n");
54 	fprintf(stderr, "   impl         report on implementations\n");
55 }
56 
57 int
58 main(int argc, char *argv[])
59 {
60 	char *cmd;
61 
62 	if (argc < 2) {
63 		usage();
64 		return EXIT_FAILURE;
65 	}
66 #ifdef _WIN32
67 	{
68 		WSADATA wd;
69 		int r;
70 
71 		r = WSAStartup(MAKEWORD(2, 2), &wd);
72 		if (r != 0) {
73 			fprintf(stderr, "WARNING: network initialisation"
74 				" failed (WSAStartup() returned %d)\n", r);
75 		}
76 	}
77 #endif
78 	cmd = argv[1];
79 	if (eqstr(cmd, "client")) {
80 		if (do_client(argc - 2, argv + 2) < 0) {
81 			return EXIT_FAILURE;
82 		}
83 	} else if (eqstr(cmd, "server")) {
84 		if (do_server(argc - 2, argv + 2) < 0) {
85 			return EXIT_FAILURE;
86 		}
87 	} else if (eqstr(cmd, "verify")) {
88 		if (do_verify(argc - 2, argv + 2) < 0) {
89 			return EXIT_FAILURE;
90 		}
91 	} else if (eqstr(cmd, "skey")) {
92 		if (do_skey(argc - 2, argv + 2) < 0) {
93 			return EXIT_FAILURE;
94 		}
95 	} else if (eqstr(cmd, "ta")) {
96 		if (do_ta(argc - 2, argv + 2) < 0) {
97 			return EXIT_FAILURE;
98 		}
99 	} else if (eqstr(cmd, "chain")) {
100 		if (do_chain(argc - 2, argv + 2) < 0) {
101 			return EXIT_FAILURE;
102 		}
103 	} else if (eqstr(cmd, "twrch")) {
104 		int ret;
105 
106 		ret = do_twrch(argc - 2, argv + 2);
107 		if (ret < 0) {
108 			return EXIT_FAILURE;
109 		} else {
110 			return ret;
111 		}
112 	} else if (eqstr(cmd, "impl")) {
113 		if (do_impl(argc - 2, argv + 2) < 0) {
114 			return EXIT_FAILURE;
115 		}
116 	} else {
117 		fprintf(stderr, "unknown command: '%s'\n", cmd);
118 		usage();
119 		return EXIT_FAILURE;
120 	}
121 	return 0;
122 }
123