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1 5c7abf01 2021-12-29 op /*
2 5c7abf01 2021-12-29 op * Copyright (c) 2021 Omar Polo <op@omarpolo.com>
3 5c7abf01 2021-12-29 op *
4 5c7abf01 2021-12-29 op * Permission to use, copy, modify, and distribute this software for any
5 5c7abf01 2021-12-29 op * purpose with or without fee is hereby granted, provided that the above
6 5c7abf01 2021-12-29 op * copyright notice and this permission notice appear in all copies.
7 5c7abf01 2021-12-29 op *
8 5c7abf01 2021-12-29 op * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 5c7abf01 2021-12-29 op * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 5c7abf01 2021-12-29 op * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 5c7abf01 2021-12-29 op * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 5c7abf01 2021-12-29 op * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 5c7abf01 2021-12-29 op * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 5c7abf01 2021-12-29 op * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 5c7abf01 2021-12-29 op */
16 5c7abf01 2021-12-29 op
17 5c7abf01 2021-12-29 op #include "gmid.h"
18 5c7abf01 2021-12-29 op
19 5c7abf01 2021-12-29 op #include <sys/socket.h>
20 5c7abf01 2021-12-29 op
21 5c7abf01 2021-12-29 op #include <assert.h>
22 5c7abf01 2021-12-29 op #include <ctype.h>
23 5c7abf01 2021-12-29 op #include <errno.h>
24 5c7abf01 2021-12-29 op #include <string.h>
25 5c7abf01 2021-12-29 op
26 5c7abf01 2021-12-29 op enum debug {
27 5c7abf01 2021-12-29 op DEBUG_NONE,
28 5c7abf01 2021-12-29 op DEBUG_CODE,
29 5c7abf01 2021-12-29 op DEBUG_HEADER,
30 5c7abf01 2021-12-29 op DEBUG_META,
31 e89f4739 2022-01-27 op DEBUG_ALL,
32 5c7abf01 2021-12-29 op };
33 5c7abf01 2021-12-29 op
34 5c7abf01 2021-12-29 op /* flags */
35 5c7abf01 2021-12-29 op int debug;
36 5c7abf01 2021-12-29 op int dont_verify_name;
37 5c7abf01 2021-12-29 op int flag2;
38 5c7abf01 2021-12-29 op int flag3;
39 5c7abf01 2021-12-29 op int nop;
40 5c7abf01 2021-12-29 op int redirects = 5;
41 5c7abf01 2021-12-29 op int timer;
42 5c7abf01 2021-12-29 op const char *cert;
43 5c7abf01 2021-12-29 op const char *key;
44 5c7abf01 2021-12-29 op const char *proxy_host;
45 5c7abf01 2021-12-29 op const char *proxy_port;
46 5c7abf01 2021-12-29 op const char *sni;
47 5c7abf01 2021-12-29 op
48 5c7abf01 2021-12-29 op /* state */
49 5c7abf01 2021-12-29 op struct tls_config *tls_conf;
50 5c7abf01 2021-12-29 op
51 5c7abf01 2021-12-29 op static void
52 5c7abf01 2021-12-29 op timeout(int signo)
53 5c7abf01 2021-12-29 op {
54 5c7abf01 2021-12-29 op dprintf(2, "%s: timer expired\n", getprogname());
55 5c7abf01 2021-12-29 op exit(1);
56 5c7abf01 2021-12-29 op }
57 5c7abf01 2021-12-29 op
58 5c7abf01 2021-12-29 op static void
59 5c7abf01 2021-12-29 op load_tls_conf(void)
60 5c7abf01 2021-12-29 op {
61 5c7abf01 2021-12-29 op if ((tls_conf = tls_config_new()) == NULL)
62 5c7abf01 2021-12-29 op err(1, "tls_config_new");
63 5c7abf01 2021-12-29 op
64 5c7abf01 2021-12-29 op tls_config_insecure_noverifycert(tls_conf);
65 5c7abf01 2021-12-29 op if (dont_verify_name)
66 5c7abf01 2021-12-29 op tls_config_insecure_noverifyname(tls_conf);
67 5c7abf01 2021-12-29 op
68 5c7abf01 2021-12-29 op if (flag2 &&
69 5c7abf01 2021-12-29 op tls_config_set_protocols(tls_conf, TLS_PROTOCOL_TLSv1_2) == -1)
70 5c7abf01 2021-12-29 op errx(1, "can't set TLSv1.2");
71 5c7abf01 2021-12-29 op if (flag3 &&
72 5c7abf01 2021-12-29 op tls_config_set_protocols(tls_conf, TLS_PROTOCOL_TLSv1_3) == -1)
73 5c7abf01 2021-12-29 op errx(1, "can't set TLSv1.3");
74 5c7abf01 2021-12-29 op
75 5c7abf01 2021-12-29 op if (cert != NULL &&
76 5c7abf01 2021-12-29 op tls_config_set_keypair_file(tls_conf, cert, key) == -1)
77 5c7abf01 2021-12-29 op errx(1, "can't load client certificate %s", cert);
78 5c7abf01 2021-12-29 op }
79 5c7abf01 2021-12-29 op
80 5c7abf01 2021-12-29 op static void
81 5c7abf01 2021-12-29 op connectto(struct tls *ctx, const char *host, const char *port)
82 5c7abf01 2021-12-29 op {
83 5c7abf01 2021-12-29 op struct addrinfo hints, *res, *res0;
84 5c7abf01 2021-12-29 op int error;
85 5c7abf01 2021-12-29 op int saved_errno;
86 5c7abf01 2021-12-29 op int s;
87 5c7abf01 2021-12-29 op const char *cause = NULL;
88 5c7abf01 2021-12-29 op const char *sname;
89 5c7abf01 2021-12-29 op
90 5c7abf01 2021-12-29 op if (proxy_host != NULL) {
91 5c7abf01 2021-12-29 op host = proxy_host;
92 5c7abf01 2021-12-29 op port = proxy_port;
93 5c7abf01 2021-12-29 op }
94 5c7abf01 2021-12-29 op
95 5c7abf01 2021-12-29 op if ((sname = sni) == NULL)
96 5c7abf01 2021-12-29 op sname = host;
97 5c7abf01 2021-12-29 op
98 5c7abf01 2021-12-29 op memset(&hints, 0, sizeof(hints));
99 5c7abf01 2021-12-29 op hints.ai_family = AF_UNSPEC;
100 5c7abf01 2021-12-29 op hints.ai_socktype = SOCK_STREAM;
101 5c7abf01 2021-12-29 op error = getaddrinfo(host, port, &hints, &res0);
102 5c7abf01 2021-12-29 op if (error)
103 5c7abf01 2021-12-29 op errx(1, "%s", gai_strerror(error));
104 5c7abf01 2021-12-29 op
105 5c7abf01 2021-12-29 op s = -1;
106 5c7abf01 2021-12-29 op for (res = res0; res != NULL; res = res->ai_next) {
107 5c7abf01 2021-12-29 op s = socket(res->ai_family, res->ai_socktype,
108 5c7abf01 2021-12-29 op res->ai_protocol);
109 5c7abf01 2021-12-29 op if (s == -1) {
110 5c7abf01 2021-12-29 op cause = "socket";
111 5c7abf01 2021-12-29 op continue;
112 5c7abf01 2021-12-29 op }
113 5c7abf01 2021-12-29 op
114 5c7abf01 2021-12-29 op if (connect(s, res->ai_addr, res->ai_addrlen) == -1) {
115 5c7abf01 2021-12-29 op cause = "connect";
116 5c7abf01 2021-12-29 op saved_errno = errno;
117 5c7abf01 2021-12-29 op close(s);
118 5c7abf01 2021-12-29 op errno = saved_errno;
119 5c7abf01 2021-12-29 op s = -1;
120 5c7abf01 2021-12-29 op continue;
121 5c7abf01 2021-12-29 op }
122 5c7abf01 2021-12-29 op
123 5c7abf01 2021-12-29 op break;
124 5c7abf01 2021-12-29 op }
125 5c7abf01 2021-12-29 op
126 5c7abf01 2021-12-29 op if (s == -1)
127 5c7abf01 2021-12-29 op err(1, "%s: can't connect to %s:%s", cause,
128 5c7abf01 2021-12-29 op host, port);
129 5c7abf01 2021-12-29 op
130 5c7abf01 2021-12-29 op freeaddrinfo(res0);
131 5c7abf01 2021-12-29 op
132 5c7abf01 2021-12-29 op if (tls_connect_socket(ctx, s, sname) == -1)
133 5c7abf01 2021-12-29 op errx(1, "tls_connect_socket: %s", tls_error(ctx));
134 5c7abf01 2021-12-29 op }
135 5c7abf01 2021-12-29 op
136 5c7abf01 2021-12-29 op static void
137 5c7abf01 2021-12-29 op doreq(struct tls *ctx, const char *buf)
138 5c7abf01 2021-12-29 op {
139 5c7abf01 2021-12-29 op size_t s;
140 5c7abf01 2021-12-29 op ssize_t w;
141 5c7abf01 2021-12-29 op
142 5c7abf01 2021-12-29 op s = strlen(buf);
143 5c7abf01 2021-12-29 op while (s != 0) {
144 5c7abf01 2021-12-29 op switch (w = tls_write(ctx, buf, s)) {
145 5c7abf01 2021-12-29 op case 0:
146 5c7abf01 2021-12-29 op case -1:
147 5c7abf01 2021-12-29 op errx(1, "tls_write: %s", tls_error(ctx));
148 5c7abf01 2021-12-29 op case TLS_WANT_POLLIN:
149 5c7abf01 2021-12-29 op case TLS_WANT_POLLOUT:
150 5c7abf01 2021-12-29 op continue;
151 5c7abf01 2021-12-29 op }
152 5c7abf01 2021-12-29 op
153 5c7abf01 2021-12-29 op s -= w;
154 5c7abf01 2021-12-29 op buf += w;
155 5c7abf01 2021-12-29 op }
156 5c7abf01 2021-12-29 op }
157 5c7abf01 2021-12-29 op
158 5c7abf01 2021-12-29 op static size_t
159 5c7abf01 2021-12-29 op dorep(struct tls *ctx, void *buf, size_t len)
160 5c7abf01 2021-12-29 op {
161 5c7abf01 2021-12-29 op ssize_t w;
162 5c7abf01 2021-12-29 op size_t tot = 0;
163 5c7abf01 2021-12-29 op
164 5c7abf01 2021-12-29 op while (len != 0) {
165 5c7abf01 2021-12-29 op switch (w = tls_read(ctx, buf, len)) {
166 5c7abf01 2021-12-29 op case 0:
167 5c7abf01 2021-12-29 op return tot;
168 5c7abf01 2021-12-29 op case -1:
169 5c7abf01 2021-12-29 op errx(1, "tls_write: %s", tls_error(ctx));
170 5c7abf01 2021-12-29 op case TLS_WANT_POLLIN:
171 5c7abf01 2021-12-29 op case TLS_WANT_POLLOUT:
172 5c7abf01 2021-12-29 op continue;
173 5c7abf01 2021-12-29 op }
174 5c7abf01 2021-12-29 op
175 5c7abf01 2021-12-29 op len -= w;
176 5c7abf01 2021-12-29 op buf += w;
177 5c7abf01 2021-12-29 op tot += w;
178 5c7abf01 2021-12-29 op }
179 5c7abf01 2021-12-29 op
180 5c7abf01 2021-12-29 op return tot;
181 5c7abf01 2021-12-29 op }
182 5c7abf01 2021-12-29 op
183 5c7abf01 2021-12-29 op static int
184 5c7abf01 2021-12-29 op get(const char *r)
185 5c7abf01 2021-12-29 op {
186 5c7abf01 2021-12-29 op struct tls *ctx;
187 5c7abf01 2021-12-29 op struct iri iri;
188 5c7abf01 2021-12-29 op int foundhdr = 0, code = -1, od;
189 5c7abf01 2021-12-29 op char iribuf[GEMINI_URL_LEN];
190 5c7abf01 2021-12-29 op char req[GEMINI_URL_LEN];
191 5c7abf01 2021-12-29 op char buf[2048];
192 5c7abf01 2021-12-29 op const char *parse_err, *host, *port;
193 5c7abf01 2021-12-29 op
194 5c7abf01 2021-12-29 op if (strlcpy(iribuf, r, sizeof(iribuf)) >= sizeof(iribuf))
195 5c7abf01 2021-12-29 op errx(1, "iri too long: %s", r);
196 5c7abf01 2021-12-29 op
197 5c7abf01 2021-12-29 op if (strlcpy(req, r, sizeof(req)) >= sizeof(req))
198 5c7abf01 2021-12-29 op errx(1, "iri too long: %s", r);
199 5c7abf01 2021-12-29 op
200 5c7abf01 2021-12-29 op if (strlcat(req, "\r\n", sizeof(req)) >= sizeof(req))
201 5c7abf01 2021-12-29 op errx(1, "iri too long: %s", r);
202 5c7abf01 2021-12-29 op
203 5c7abf01 2021-12-29 op if (!parse_iri(iribuf, &iri, &parse_err))
204 5c7abf01 2021-12-29 op errx(1, "invalid IRI: %s", parse_err);
205 5c7abf01 2021-12-29 op
206 5c7abf01 2021-12-29 op if (nop)
207 5c7abf01 2021-12-29 op errx(0, "IRI OK");
208 5c7abf01 2021-12-29 op
209 5c7abf01 2021-12-29 op if ((ctx = tls_client()) == NULL)
210 5c7abf01 2021-12-29 op errx(1, "can't create tls context");
211 5c7abf01 2021-12-29 op
212 5c7abf01 2021-12-29 op if (tls_configure(ctx, tls_conf) == -1)
213 5c7abf01 2021-12-29 op errx(1, "tls_configure: %s", tls_error(ctx));
214 5c7abf01 2021-12-29 op
215 5c7abf01 2021-12-29 op host = iri.host;
216 5c7abf01 2021-12-29 op port = "1965";
217 5c7abf01 2021-12-29 op if (*iri.port != '\0')
218 5c7abf01 2021-12-29 op port = iri.port;
219 5c7abf01 2021-12-29 op
220 5c7abf01 2021-12-29 op connectto(ctx, host, port);
221 5c7abf01 2021-12-29 op
222 5c7abf01 2021-12-29 op od = 0;
223 5c7abf01 2021-12-29 op while (!od) {
224 5c7abf01 2021-12-29 op switch (tls_handshake(ctx)) {
225 5c7abf01 2021-12-29 op case 0:
226 5c7abf01 2021-12-29 op od = 1;
227 5c7abf01 2021-12-29 op break;
228 5c7abf01 2021-12-29 op case -1:
229 5c7abf01 2021-12-29 op errx(1, "handshake: %s", tls_error(ctx));
230 5c7abf01 2021-12-29 op }
231 5c7abf01 2021-12-29 op }
232 5c7abf01 2021-12-29 op
233 5c7abf01 2021-12-29 op doreq(ctx, req);
234 5c7abf01 2021-12-29 op
235 5c7abf01 2021-12-29 op for (;;) {
236 5c7abf01 2021-12-29 op char *t;
237 5c7abf01 2021-12-29 op size_t len;
238 5c7abf01 2021-12-29 op
239 5c7abf01 2021-12-29 op len = dorep(ctx, buf, sizeof(buf));
240 5c7abf01 2021-12-29 op if (len == 0)
241 5c7abf01 2021-12-29 op goto close;
242 5c7abf01 2021-12-29 op
243 5c7abf01 2021-12-29 op if (foundhdr) {
244 5c7abf01 2021-12-29 op write(1, buf, len);
245 5c7abf01 2021-12-29 op continue;
246 5c7abf01 2021-12-29 op }
247 5c7abf01 2021-12-29 op foundhdr = 1;
248 5c7abf01 2021-12-29 op
249 5c7abf01 2021-12-29 op if (memmem(buf, len, "\r\n", 2) == NULL)
250 5c7abf01 2021-12-29 op errx(1, "invalid reply: no \\r\\n");
251 5c7abf01 2021-12-29 op if (!isdigit(buf[0]) || !isdigit(buf[1]) || buf[2] != ' ')
252 5c7abf01 2021-12-29 op errx(1, "invalid reply: invalid response format");
253 5c7abf01 2021-12-29 op
254 5c7abf01 2021-12-29 op code = (buf[0] - '0') * 10 + buf[1] - '0';
255 5c7abf01 2021-12-29 op
256 5c7abf01 2021-12-29 op if (debug == DEBUG_CODE) {
257 5c7abf01 2021-12-29 op printf("%d\n", code);
258 5c7abf01 2021-12-29 op goto close;
259 5c7abf01 2021-12-29 op }
260 5c7abf01 2021-12-29 op
261 5c7abf01 2021-12-29 op if (debug == DEBUG_HEADER) {
262 5c7abf01 2021-12-29 op t = memmem(buf, len, "\r\n", 2);
263 5c7abf01 2021-12-29 op assert(t != NULL);
264 5c7abf01 2021-12-29 op *t = '\0';
265 5c7abf01 2021-12-29 op printf("%s\n", buf);
266 5c7abf01 2021-12-29 op goto close;
267 5c7abf01 2021-12-29 op }
268 5c7abf01 2021-12-29 op
269 5c7abf01 2021-12-29 op if (debug == DEBUG_META) {
270 5c7abf01 2021-12-29 op t = memmem(buf, len, "\r\n", 2);
271 5c7abf01 2021-12-29 op assert(t != NULL);
272 5c7abf01 2021-12-29 op *t = '\0';
273 5c7abf01 2021-12-29 op printf("%s\n", buf+3);
274 5c7abf01 2021-12-29 op goto close;
275 5c7abf01 2021-12-29 op }
276 5c7abf01 2021-12-29 op
277 e89f4739 2022-01-27 op if (debug == DEBUG_ALL) {
278 5c7abf01 2021-12-29 op write(1, buf, len);
279 5c7abf01 2021-12-29 op continue;
280 5c7abf01 2021-12-29 op }
281 5c7abf01 2021-12-29 op
282 5c7abf01 2021-12-29 op /* skip the header */
283 5c7abf01 2021-12-29 op t = memmem(buf, len, "\r\n", 2);
284 5c7abf01 2021-12-29 op assert(t != NULL);
285 5c7abf01 2021-12-29 op t += 2; /* skip \r\n */
286 5c7abf01 2021-12-29 op len -= t - buf;
287 5c7abf01 2021-12-29 op write(1, t, len);
288 5c7abf01 2021-12-29 op }
289 5c7abf01 2021-12-29 op
290 5c7abf01 2021-12-29 op close:
291 5c7abf01 2021-12-29 op od = tls_close(ctx);
292 5c7abf01 2021-12-29 op if (od == TLS_WANT_POLLIN || od == TLS_WANT_POLLOUT)
293 5c7abf01 2021-12-29 op goto close;
294 5c7abf01 2021-12-29 op
295 5c7abf01 2021-12-29 op tls_close(ctx);
296 5c7abf01 2021-12-29 op tls_free(ctx);
297 5c7abf01 2021-12-29 op return code;
298 5c7abf01 2021-12-29 op }
299 5c7abf01 2021-12-29 op
300 5c7abf01 2021-12-29 op static void __attribute__((noreturn))
301 5c7abf01 2021-12-29 op usage(void)
302 5c7abf01 2021-12-29 op {
303 c5b4db93 2022-09-10 op fprintf(stderr, "version: " GG_STRING "\n");
304 21cf735f 2022-10-30 op fprintf(stderr, "usage: %s [-23Nn] [-C cert] [-d mode] [-H sni] "
305 febfcde8 2022-01-13 op "[-K key] [-P host[:port]]\n",
306 5c7abf01 2021-12-29 op getprogname());
307 5c7abf01 2021-12-29 op fprintf(stderr, " [-T seconds] gemini://...\n");
308 5c7abf01 2021-12-29 op exit(1);
309 5c7abf01 2021-12-29 op }
310 5c7abf01 2021-12-29 op
311 5c7abf01 2021-12-29 op static int
312 5c7abf01 2021-12-29 op parse_debug(const char *arg)
313 5c7abf01 2021-12-29 op {
314 5c7abf01 2021-12-29 op if (!strcmp(arg, "none"))
315 5c7abf01 2021-12-29 op return DEBUG_NONE;
316 5c7abf01 2021-12-29 op if (!strcmp(arg, "code"))
317 5c7abf01 2021-12-29 op return DEBUG_CODE;
318 5c7abf01 2021-12-29 op if (!strcmp(arg, "header"))
319 5c7abf01 2021-12-29 op return DEBUG_HEADER;
320 5c7abf01 2021-12-29 op if (!strcmp(arg, "meta"))
321 5c7abf01 2021-12-29 op return DEBUG_META;
322 e89f4739 2022-01-27 op if (!strcmp(arg, "all"))
323 e89f4739 2022-01-27 op return DEBUG_ALL;
324 5c7abf01 2021-12-29 op usage();
325 5c7abf01 2021-12-29 op }
326 5c7abf01 2021-12-29 op
327 5c7abf01 2021-12-29 op static void
328 5c7abf01 2021-12-29 op parse_proxy(const char *arg)
329 5c7abf01 2021-12-29 op {
330 5c7abf01 2021-12-29 op char *at;
331 5c7abf01 2021-12-29 op
332 5c7abf01 2021-12-29 op if ((proxy_host = strdup(arg)) == NULL)
333 5c7abf01 2021-12-29 op err(1, "strdup");
334 5c7abf01 2021-12-29 op
335 5c7abf01 2021-12-29 op proxy_port = "1965";
336 5c7abf01 2021-12-29 op
337 5c7abf01 2021-12-29 op if ((at = strchr(proxy_host, ':')) == NULL)
338 5c7abf01 2021-12-29 op return;
339 5c7abf01 2021-12-29 op *at = '\0';
340 5c7abf01 2021-12-29 op proxy_port = ++at;
341 5c7abf01 2021-12-29 op
342 5c7abf01 2021-12-29 op if (strchr(proxy_port, ':') != NULL)
343 5c7abf01 2021-12-29 op errx(1, "invalid port %s", proxy_port);
344 5c7abf01 2021-12-29 op }
345 5c7abf01 2021-12-29 op
346 5c7abf01 2021-12-29 op int
347 5c7abf01 2021-12-29 op main(int argc, char **argv)
348 5c7abf01 2021-12-29 op {
349 5c7abf01 2021-12-29 op int ch, code;
350 5c7abf01 2021-12-29 op const char *errstr;
351 5c7abf01 2021-12-29 op
352 21cf735f 2022-10-30 op while ((ch = getopt(argc, argv, "23C:d:H:K:NP:T:")) != -1) {
353 5c7abf01 2021-12-29 op switch (ch) {
354 5c7abf01 2021-12-29 op case '2':
355 5c7abf01 2021-12-29 op flag2 = 1;
356 5c7abf01 2021-12-29 op break;
357 5c7abf01 2021-12-29 op case '3':
358 5c7abf01 2021-12-29 op flag3 = 1;
359 5c7abf01 2021-12-29 op break;
360 5c7abf01 2021-12-29 op case 'C':
361 5c7abf01 2021-12-29 op cert = optarg;
362 5c7abf01 2021-12-29 op break;
363 5c7abf01 2021-12-29 op case 'd':
364 5c7abf01 2021-12-29 op debug = parse_debug(optarg);
365 5c7abf01 2021-12-29 op break;
366 5c7abf01 2021-12-29 op case 'H':
367 5c7abf01 2021-12-29 op sni = optarg;
368 5c7abf01 2021-12-29 op break;
369 5c7abf01 2021-12-29 op case 'K':
370 5c7abf01 2021-12-29 op key = optarg;
371 5c7abf01 2021-12-29 op break;
372 5c7abf01 2021-12-29 op case 'N':
373 5c7abf01 2021-12-29 op dont_verify_name = 1;
374 5c7abf01 2021-12-29 op break;
375 5c7abf01 2021-12-29 op case 'n':
376 5c7abf01 2021-12-29 op nop = 1;
377 5c7abf01 2021-12-29 op break;
378 5c7abf01 2021-12-29 op case 'P':
379 5c7abf01 2021-12-29 op parse_proxy(optarg);
380 5c7abf01 2021-12-29 op dont_verify_name = 1;
381 5c7abf01 2021-12-29 op break;
382 5c7abf01 2021-12-29 op case 'T':
383 5c7abf01 2021-12-29 op timer = strtonum(optarg, 1, 1000, &errstr);
384 5c7abf01 2021-12-29 op if (errstr != NULL)
385 5c7abf01 2021-12-29 op errx(1, "timeout is %s: %s",
386 5c7abf01 2021-12-29 op errstr, optarg);
387 5c7abf01 2021-12-29 op signal(SIGALRM, timeout);
388 5c7abf01 2021-12-29 op alarm(timer);
389 5c7abf01 2021-12-29 op break;
390 5c7abf01 2021-12-29 op default:
391 5c7abf01 2021-12-29 op usage();
392 5c7abf01 2021-12-29 op }
393 5c7abf01 2021-12-29 op }
394 5c7abf01 2021-12-29 op argc -= optind;
395 5c7abf01 2021-12-29 op argv += optind;
396 5c7abf01 2021-12-29 op
397 5c7abf01 2021-12-29 op if (flag2 + flag3 > 1) {
398 5c7abf01 2021-12-29 op warnx("only -2 or -3 can be specified at the same time");
399 5c7abf01 2021-12-29 op usage();
400 5c7abf01 2021-12-29 op }
401 5c7abf01 2021-12-29 op
402 5c7abf01 2021-12-29 op if ((cert != NULL && key == NULL) ||
403 5c7abf01 2021-12-29 op (cert == NULL && key != NULL)) {
404 5c7abf01 2021-12-29 op warnx("cert or key is missing");
405 5c7abf01 2021-12-29 op usage();
406 5c7abf01 2021-12-29 op }
407 5c7abf01 2021-12-29 op
408 b3602923 2022-01-13 op if (argc != 1)
409 b3602923 2022-01-13 op usage();
410 5c7abf01 2021-12-29 op
411 5c7abf01 2021-12-29 op load_tls_conf();
412 b3602923 2022-01-13 op
413 b3602923 2022-01-13 op signal(SIGPIPE, SIG_IGN);
414 5c7abf01 2021-12-29 op
415 5c7abf01 2021-12-29 op #ifdef __OpenBSD__
416 5c7abf01 2021-12-29 op if (pledge("stdio inet dns", NULL) == -1)
417 5c7abf01 2021-12-29 op err(1, "pledge");
418 5c7abf01 2021-12-29 op #endif
419 5c7abf01 2021-12-29 op
420 5c7abf01 2021-12-29 op code = get(*argv);
421 5c7abf01 2021-12-29 op
422 5c7abf01 2021-12-29 op return code < 20 || code >= 30;
423 5c7abf01 2021-12-29 op }