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1 | /* | |
2 | * Copyright (C) 1996-2018 The Squid Software Foundation and contributors | |
3 | * | |
4 | * Squid software is distributed under GPLv2+ license and includes | |
5 | * contributions from numerous individuals and organizations. | |
6 | * Please see the COPYING and CONTRIBUTORS files for details. | |
7 | */ | |
8 | ||
9 | #include "squid.h" | |
10 | #include "base64.h" | |
11 | #include "ip/Address.h" | |
12 | #include "ip/tools.h" | |
13 | #include "rfc1123.h" | |
14 | #include "tools/squidclient/gssapi_support.h" | |
15 | #include "tools/squidclient/Parameters.h" | |
16 | #include "tools/squidclient/Ping.h" | |
17 | #include "tools/squidclient/Transport.h" | |
18 | ||
19 | #if _SQUID_WINDOWS_ | |
20 | /** \cond AUTODOCS-IGNORE */ | |
21 | using namespace Squid; | |
22 | /** \endcond */ | |
23 | #endif | |
24 | ||
25 | #include <cerrno> | |
26 | #include <csignal> | |
27 | #include <cstring> | |
28 | #include <iostream> | |
29 | #if _SQUID_WINDOWS_ | |
30 | #include <io.h> | |
31 | #endif | |
32 | #if HAVE_SYS_SOCKET_H | |
33 | #include <sys/socket.h> | |
34 | #endif | |
35 | #if HAVE_UNISTD_H | |
36 | #include <unistd.h> | |
37 | #endif | |
38 | #if HAVE_NETDB_H | |
39 | #include <netdb.h> | |
40 | #endif | |
41 | #if HAVE_SYS_STAT_H | |
42 | #include <sys/stat.h> | |
43 | #endif | |
44 | #if HAVE_FCNTL_H | |
45 | #include <fcntl.h> | |
46 | #endif | |
47 | #if HAVE_NETINET_IN_H | |
48 | #include <netinet/in.h> | |
49 | #endif | |
50 | #if HAVE_GETOPT_H | |
51 | #include <getopt.h> | |
52 | #endif | |
53 | ||
54 | #ifndef BUFSIZ | |
55 | #define BUFSIZ 8192 | |
56 | #endif | |
57 | #ifndef MESSAGELEN | |
58 | #define MESSAGELEN 65536 | |
59 | #endif | |
60 | #ifndef HEADERLEN | |
61 | #define HEADERLEN 65536 | |
62 | #endif | |
63 | ||
64 | /* Local functions */ | |
65 | static void usage(const char *progname); | |
66 | ||
67 | void pipe_handler(int sig); | |
68 | static void set_our_signal(void); | |
69 | ||
70 | Parameters scParams; | |
71 | ||
72 | static int put_fd; | |
73 | static char *put_file = NULL; | |
74 | ||
75 | static struct stat sb; | |
76 | int total_bytes = 0; | |
77 | ||
78 | #if _SQUID_AIX_ | |
79 | /* Bug 3854: AIX 6.1 tries to link in this fde.h global symbol | |
80 | * despite squidclient not using any of the fd_* code. | |
81 | */ | |
82 | fde *fde::Table = NULL; | |
83 | #endif | |
84 | ||
85 | #if _SQUID_WINDOWS_ | |
86 | void | |
87 | Win32SockCleanup(void) | |
88 | { | |
89 | WSACleanup(); | |
90 | return; | |
91 | } | |
92 | #endif | |
93 | ||
94 | static void | |
95 | usage(const char *progname) | |
96 | { | |
97 | std::cerr << "Version: " << VERSION << std::endl | |
98 | << "Usage: " << progname << " [Basic Options] [HTTP Options]" << std::endl | |
99 | << std::endl; | |
100 | std::cerr | |
101 | << " -s | --quiet Silent. Do not print response message to stdout." << std::endl | |
102 | << " -v | --verbose Verbose debugging. Repeat (-vv) to increase output level." << std::endl | |
103 | << " Levels:" << std::endl | |
104 | << " 1 - Print outgoing request message to stderr." << std::endl | |
105 | << " 2 - Print action trace to stderr." << std::endl | |
106 | << " --help Display this help text." << std::endl | |
107 | << std::endl; | |
108 | Transport::Config.usage(); | |
109 | Ping::Config.usage(); | |
110 | std::cerr | |
111 | << "HTTP Options:" << std::endl | |
112 | << " -a Do NOT include Accept: header." << std::endl | |
113 | << " -A User-Agent: header. Use \"\" to omit." << std::endl | |
114 | << " -H 'string' Extra headers to send. Supports '\\\\', '\\n', '\\r' and '\\t'." << std::endl | |
115 | << " -i IMS If-Modified-Since time (in Epoch seconds)." << std::endl | |
116 | << " -j hosthdr Host header content" << std::endl | |
117 | << " -k Keep the connection active. Default is to do only one request then close." << std::endl | |
118 | << " -m method Request method, default is GET." << std::endl | |
119 | #if HAVE_GSSAPI | |
120 | << " -n Proxy Negotiate(Kerberos) authentication" << std::endl | |
121 | << " -N WWW Negotiate(Kerberos) authentication" << std::endl | |
122 | #endif | |
123 | << " -P file Send content from the named file as request payload" << std::endl | |
124 | << " -r Force cache to reload URL" << std::endl | |
125 | << " -t count Trace count cache-hops" << std::endl | |
126 | << " -u user Proxy authentication username" << std::endl | |
127 | << " -U user WWW authentication username" << std::endl | |
128 | << " -V version HTTP Version. Use '-' for HTTP/0.9 omitted case" << std::endl | |
129 | << " -w password Proxy authentication password" << std::endl | |
130 | << " -W password WWW authentication password" << std::endl | |
131 | ; | |
132 | exit(EXIT_FAILURE); | |
133 | } | |
134 | ||
135 | static void | |
136 | shellUnescape(char *buf) | |
137 | { | |
138 | if (!buf) | |
139 | return; | |
140 | ||
141 | unsigned char *p, *d; | |
142 | ||
143 | d = p = reinterpret_cast<unsigned char *>(buf); | |
144 | ||
145 | while (auto ch = *p) { | |
146 | ||
147 | if (ch == '\\') { | |
148 | ++p; | |
149 | ||
150 | switch (*p) { | |
151 | case 'n': | |
152 | ch = '\n'; | |
153 | break; | |
154 | case 'r': | |
155 | ch = '\r'; | |
156 | break; | |
157 | case 't': | |
158 | ch = '\t'; | |
159 | break; | |
160 | case '\\': | |
161 | ch = '\\'; | |
162 | break; | |
163 | default: | |
164 | ch = *p; | |
165 | debugVerbose(1, "Warning: unsupported shell code '\\" << ch << "'"); | |
166 | break; | |
167 | } | |
168 | ||
169 | *d = ch; | |
170 | ||
171 | if (!ch) | |
172 | continue; | |
173 | ||
174 | } else { | |
175 | *d = *p; | |
176 | } | |
177 | ||
178 | ++p; | |
179 | ++d; | |
180 | } | |
181 | ||
182 | *d = '\0'; | |
183 | } | |
184 | ||
185 | int | |
186 | main(int argc, char *argv[]) | |
187 | { | |
188 | int len, bytesWritten; | |
189 | bool to_stdout, reload; | |
190 | int keep_alive = 0; | |
191 | int opt_noaccept = 0; | |
192 | #if HAVE_GSSAPI | |
193 | int www_neg = 0, proxy_neg = 0; | |
194 | #endif | |
195 | char url[BUFSIZ], msg[MESSAGELEN], buf[BUFSIZ]; | |
196 | char extra_hdrs[HEADERLEN]; | |
197 | const char *method = "GET"; | |
198 | extern char *optarg; | |
199 | time_t ims = 0; | |
200 | int max_forwards = -1; | |
201 | ||
202 | const char *proxy_user = NULL; | |
203 | const char *proxy_password = NULL; | |
204 | const char *www_user = NULL; | |
205 | const char *www_password = NULL; | |
206 | const char *host = NULL; | |
207 | const char *version = "1.0"; | |
208 | const char *useragent = NULL; | |
209 | ||
210 | /* set the defaults */ | |
211 | extra_hdrs[0] = '\0'; | |
212 | to_stdout = true; | |
213 | reload = false; | |
214 | ||
215 | Ip::ProbeTransport(); // determine IPv4 or IPv6 capabilities before parsing. | |
216 | if (argc < 2 || argv[argc-1][0] == '-') { | |
217 | usage(argv[0]); /* need URL */ | |
218 | } else if (argc >= 2) { | |
219 | strncpy(url, argv[argc - 1], BUFSIZ); | |
220 | url[BUFSIZ - 1] = '\0'; | |
221 | ||
222 | int optIndex = 0; | |
223 | const char *shortOpStr = "aA:h:j:V:l:P:i:km:nNp:rsvt:H:T:u:U:w:W:?"; | |
224 | ||
225 | // options for controlling squidclient | |
226 | static struct option basicOptions[] = { | |
227 | /* These are the generic options for squidclient itself */ | |
228 | {"help", no_argument, 0, '?'}, | |
229 | {"verbose", no_argument, 0, 'v'}, | |
230 | {"quiet", no_argument, 0, 's'}, | |
231 | {"host", required_argument, 0, 'h'}, | |
232 | {"local", required_argument, 0, 'l'}, | |
233 | {"port", required_argument, 0, 'p'}, | |
234 | {"ping", no_argument, 0, '\1'}, | |
235 | {"https", no_argument, 0, '\3'}, | |
236 | {0, 0, 0, 0} | |
237 | }; | |
238 | ||
239 | int c; | |
240 | while ((c = getopt_long(argc, argv, shortOpStr, basicOptions, &optIndex)) != -1) { | |
241 | ||
242 | // modules parse their own specific options | |
243 | switch (c) { | |
244 | case '\1': | |
245 | to_stdout = 0; | |
246 | Ping::Config.parseCommandOpts(argc, argv, c, optIndex); | |
247 | continue; | |
248 | ||
249 | case 'h': /* remote host */ | |
250 | case 'l': /* local host */ | |
251 | case 'p': /* port number */ | |
252 | // rewind and let the Transport::Config parser handle | |
253 | optind -= 2; | |
254 | ||
255 | case '\3': // request over a TLS connection | |
256 | Transport::Config.parseCommandOpts(argc, argv, c, optIndex); | |
257 | continue; | |
258 | ||
259 | default: // fall through to next switch | |
260 | break; | |
261 | } | |
262 | ||
263 | switch (c) { | |
264 | ||
265 | case '\0': // dummy value for end-of-options | |
266 | break; | |
267 | ||
268 | case 'a': | |
269 | opt_noaccept = 1; | |
270 | break; | |
271 | ||
272 | case 'A': | |
273 | useragent = optarg; | |
274 | break; | |
275 | ||
276 | case 'j': | |
277 | host = optarg; | |
278 | break; | |
279 | ||
280 | case 'V': | |
281 | version = optarg; | |
282 | break; | |
283 | ||
284 | case 's': /* silent */ | |
285 | to_stdout = false; | |
286 | break; | |
287 | ||
288 | case 'k': /* backward compat */ | |
289 | keep_alive = 1; | |
290 | break; | |
291 | ||
292 | case 'r': /* reload */ | |
293 | reload = true; | |
294 | break; | |
295 | ||
296 | case 'P': | |
297 | put_file = xstrdup(optarg); | |
298 | break; | |
299 | ||
300 | case 'i': /* IMS */ | |
301 | ims = (time_t) atoi(optarg); | |
302 | break; | |
303 | ||
304 | case 'm': | |
305 | method = xstrdup(optarg); | |
306 | break; | |
307 | ||
308 | case 't': | |
309 | method = xstrdup("TRACE"); | |
310 | max_forwards = atoi(optarg); | |
311 | break; | |
312 | ||
313 | case 'H': | |
314 | if (strlen(optarg)) { | |
315 | strncpy(extra_hdrs, optarg, sizeof(extra_hdrs)); | |
316 | shellUnescape(extra_hdrs); | |
317 | } | |
318 | break; | |
319 | ||
320 | case 'T': | |
321 | Transport::Config.ioTimeout = atoi(optarg); | |
322 | break; | |
323 | ||
324 | case 'u': | |
325 | proxy_user = optarg; | |
326 | break; | |
327 | ||
328 | case 'w': | |
329 | proxy_password = optarg; | |
330 | break; | |
331 | ||
332 | case 'U': | |
333 | www_user = optarg; | |
334 | break; | |
335 | ||
336 | case 'W': | |
337 | www_password = optarg; | |
338 | break; | |
339 | ||
340 | case 'n': | |
341 | #if HAVE_GSSAPI | |
342 | proxy_neg = 1; | |
343 | #else | |
344 | std::cerr << "ERROR: Negotiate authentication not supported." << std::endl; | |
345 | usage(argv[0]); | |
346 | #endif | |
347 | break; | |
348 | ||
349 | case 'N': | |
350 | #if HAVE_GSSAPI | |
351 | www_neg = 1; | |
352 | #else | |
353 | std::cerr << "ERROR: Negotiate authentication not supported." << std::endl; | |
354 | usage(argv[0]); | |
355 | #endif | |
356 | break; | |
357 | ||
358 | case 'v': | |
359 | /* undocumented: may increase verb-level by giving more -v's */ | |
360 | ++scParams.verbosityLevel; | |
361 | debugVerbose(2, "verbosity level set to " << scParams.verbosityLevel); | |
362 | break; | |
363 | ||
364 | case '?': /* usage */ | |
365 | ||
366 | default: | |
367 | usage(argv[0]); | |
368 | break; | |
369 | } | |
370 | } | |
371 | } | |
372 | #if _SQUID_WINDOWS_ | |
373 | { | |
374 | WSADATA wsaData; | |
375 | WSAStartup(2, &wsaData); | |
376 | atexit(Win32SockCleanup); | |
377 | } | |
378 | #endif | |
379 | /* Build the HTTP request */ | |
380 | if (strncmp(url, "mgr:", 4) == 0) { | |
381 | char *t = xstrdup(url + 4); | |
382 | const char *at = NULL; | |
383 | if (!strrchr(t, '@')) { // ignore any -w password if @ is explicit already. | |
384 | at = proxy_password; | |
385 | } | |
386 | // embed the -w proxy password into old-style cachemgr URLs | |
387 | if (at) | |
388 | snprintf(url, BUFSIZ, "cache_object://%s/%s@%s", Transport::Config.hostname, t, at); | |
389 | else | |
390 | snprintf(url, BUFSIZ, "cache_object://%s/%s", Transport::Config.hostname, t); | |
391 | xfree(t); | |
392 | } | |
393 | if (put_file) { | |
394 | put_fd = open(put_file, O_RDONLY); | |
395 | set_our_signal(); | |
396 | ||
397 | if (put_fd < 0) { | |
398 | int xerrno = errno; | |
399 | std::cerr << "ERROR: can't open file (" << xstrerr(xerrno) << ")" << std::endl; | |
400 | exit(EXIT_FAILURE); | |
401 | } | |
402 | #if _SQUID_WINDOWS_ | |
403 | setmode(put_fd, O_BINARY); | |
404 | #endif | |
405 | ||
406 | if (fstat(put_fd, &sb) < 0) { | |
407 | int xerrno = errno; | |
408 | std::cerr << "ERROR: can't identify length of file (" << xstrerr(xerrno) << ")" << std::endl; | |
409 | } | |
410 | } | |
411 | ||
412 | if (!host) { | |
413 | char *newhost = strstr(url, "://"); | |
414 | if (newhost) { | |
415 | char *t; | |
416 | newhost += 3; | |
417 | newhost = xstrdup(newhost); | |
418 | t = newhost + strcspn(newhost, "@/?"); | |
419 | if (*t == '@') { | |
420 | newhost = t + 1; | |
421 | t = newhost + strcspn(newhost, "@/?"); | |
422 | } | |
423 | *t = '\0'; | |
424 | host = newhost; | |
425 | } | |
426 | } | |
427 | ||
428 | if (version[0] == '-' || !version[0]) { | |
429 | /* HTTP/0.9, no headers, no version */ | |
430 | snprintf(msg, BUFSIZ, "%s %s\r\n", method, url); | |
431 | } else { | |
432 | if (!xisdigit(version[0])) // not HTTP/n.n | |
433 | snprintf(msg, BUFSIZ, "%s %s %s\r\n", method, url, version); | |
434 | else | |
435 | snprintf(msg, BUFSIZ, "%s %s HTTP/%s\r\n", method, url, version); | |
436 | ||
437 | if (host) { | |
438 | snprintf(buf, BUFSIZ, "Host: %s\r\n", host); | |
439 | strcat(msg,buf); | |
440 | } | |
441 | ||
442 | if (useragent == NULL) { | |
443 | snprintf(buf, BUFSIZ, "User-Agent: squidclient/%s\r\n", VERSION); | |
444 | strcat(msg,buf); | |
445 | } else if (useragent[0] != '\0') { | |
446 | snprintf(buf, BUFSIZ, "User-Agent: %s\r\n", useragent); | |
447 | strcat(msg,buf); | |
448 | } | |
449 | ||
450 | if (reload) { | |
451 | snprintf(buf, BUFSIZ, "Cache-Control: no-cache\r\n"); | |
452 | strcat(msg, buf); | |
453 | } | |
454 | if (put_fd > 0) { | |
455 | snprintf(buf, BUFSIZ, "Content-length: %" PRId64 "\r\n", (int64_t) sb.st_size); | |
456 | strcat(msg, buf); | |
457 | } | |
458 | if (opt_noaccept == 0) { | |
459 | snprintf(buf, BUFSIZ, "Accept: */*\r\n"); | |
460 | strcat(msg, buf); | |
461 | } | |
462 | if (ims) { | |
463 | snprintf(buf, BUFSIZ, "If-Modified-Since: %s\r\n", mkrfc1123(ims)); | |
464 | strcat(msg, buf); | |
465 | } | |
466 | if (max_forwards > -1) { | |
467 | snprintf(buf, BUFSIZ, "Max-Forwards: %d\r\n", max_forwards); | |
468 | strcat(msg, buf); | |
469 | } | |
470 | struct base64_encode_ctx ctx; | |
471 | base64_encode_init(&ctx); | |
472 | size_t blen; | |
473 | if (proxy_user) { | |
474 | const char *user = proxy_user; | |
475 | const char *password = proxy_password; | |
476 | #if HAVE_GETPASS | |
477 | if (!password) | |
478 | password = getpass("Proxy password: "); | |
479 | #endif | |
480 | if (!password) { | |
481 | std::cerr << "ERROR: Proxy password missing" << std::endl; | |
482 | exit(EXIT_FAILURE); | |
483 | } | |
484 | char *pwdBuf = new char[base64_encode_len(strlen(user)+1+strlen(password))]; | |
485 | blen = base64_encode_update(&ctx, pwdBuf, strlen(user), reinterpret_cast<const uint8_t*>(user)); | |
486 | blen += base64_encode_update(&ctx, pwdBuf+blen, 1, reinterpret_cast<const uint8_t*>(":")); | |
487 | blen += base64_encode_update(&ctx, pwdBuf+blen, strlen(password), reinterpret_cast<const uint8_t*>(password)); | |
488 | blen += base64_encode_final(&ctx, pwdBuf+blen); | |
489 | snprintf(buf, BUFSIZ, "Proxy-Authorization: Basic %.*s\r\n", static_cast<int>(blen), pwdBuf); | |
490 | strcat(msg, buf); | |
491 | delete[] pwdBuf; | |
492 | } | |
493 | if (www_user) { | |
494 | const char *user = www_user; | |
495 | const char *password = www_password; | |
496 | #if HAVE_GETPASS | |
497 | if (!password) | |
498 | password = getpass("WWW password: "); | |
499 | #endif | |
500 | if (!password) { | |
501 | std::cerr << "ERROR: WWW password missing" << std::endl; | |
502 | exit(EXIT_FAILURE); | |
503 | } | |
504 | char *pwdBuf = new char[base64_encode_len(strlen(user)+1+strlen(password))]; | |
505 | blen = base64_encode_update(&ctx, pwdBuf, strlen(user), reinterpret_cast<const uint8_t*>(user)); | |
506 | blen += base64_encode_update(&ctx, pwdBuf+blen, 1, reinterpret_cast<const uint8_t*>(":")); | |
507 | blen += base64_encode_update(&ctx, pwdBuf+blen, strlen(password), reinterpret_cast<const uint8_t*>(password)); | |
508 | blen += base64_encode_final(&ctx, pwdBuf+blen); | |
509 | snprintf(buf, BUFSIZ, "Authorization: Basic %.*s\r\n", static_cast<int>(blen), pwdBuf); | |
510 | strcat(msg, buf); | |
511 | delete[] pwdBuf; | |
512 | } | |
513 | #if HAVE_GSSAPI | |
514 | if (www_neg) { | |
515 | if (host) { | |
516 | const char *token = GSSAPI_token(host); | |
517 | snprintf(buf, BUFSIZ, "Authorization: Negotiate %s\r\n", token); | |
518 | strcat(msg, buf); | |
519 | delete[] token; | |
520 | } else | |
521 | std::cerr << "ERROR: server host missing" << std::endl; | |
522 | } | |
523 | if (proxy_neg) { | |
524 | if (Transport::Config.hostname) { | |
525 | const char *token = GSSAPI_token(Transport::Config.hostname); | |
526 | snprintf(buf, BUFSIZ, "Proxy-Authorization: Negotiate %s\r\n", token); | |
527 | strcat(msg, buf); | |
528 | delete[] token; | |
529 | } else | |
530 | std::cerr << "ERROR: proxy server host missing" << std::endl; | |
531 | } | |
532 | #endif | |
533 | ||
534 | /* HTTP/1.0 may need keep-alive explicitly */ | |
535 | if (strcmp(version, "1.0") == 0 && keep_alive) | |
536 | strcat(msg, "Connection: keep-alive\r\n"); | |
537 | ||
538 | /* HTTP/1.1 may need close explicitly */ | |
539 | if (!keep_alive) | |
540 | strcat(msg, "Connection: close\r\n"); | |
541 | ||
542 | strcat(msg, extra_hdrs); | |
543 | strcat(msg, "\r\n"); | |
544 | } | |
545 | ||
546 | debugVerbose(1, "Request:" << std::endl << msg << std::endl << "."); | |
547 | ||
548 | uint32_t loops = Ping::Init(); | |
549 | ||
550 | for (uint32_t i = 0; loops == 0 || i < loops; ++i) { | |
551 | size_t fsize = 0; | |
552 | ||
553 | if (!Transport::Connect()) | |
554 | continue; | |
555 | ||
556 | /* Send the HTTP request */ | |
557 | debugVerbose(2, "Sending HTTP request ... "); | |
558 | bytesWritten = Transport::Write(msg, strlen(msg)); | |
559 | ||
560 | if (bytesWritten < 0) { | |
561 | std::cerr << "ERROR: write" << std::endl; | |
562 | exit(EXIT_FAILURE); | |
563 | } else if ((unsigned) bytesWritten != strlen(msg)) { | |
564 | std::cerr << "ERROR: Cannot send request?: " << std::endl << msg << std::endl; | |
565 | exit(EXIT_FAILURE); | |
566 | } | |
567 | debugVerbose(2, "done."); | |
568 | ||
569 | if (put_file) { | |
570 | debugVerbose(1, "Sending HTTP request payload ..."); | |
571 | int x; | |
572 | if ((x = lseek(put_fd, 0, SEEK_SET)) < 0) { | |
573 | int xerrno = errno; | |
574 | std::cerr << "ERROR: lseek: " << xstrerr(xerrno) << std::endl; | |
575 | ||
576 | } else while ((x = read(put_fd, buf, sizeof(buf))) > 0) { | |
577 | ||
578 | x = Transport::Write(buf, x); | |
579 | ||
580 | total_bytes += x; | |
581 | ||
582 | if (x <= 0) | |
583 | break; | |
584 | } | |
585 | ||
586 | if (x != 0) | |
587 | std::cerr << "ERROR: Cannot send file." << std::endl; | |
588 | else | |
589 | debugVerbose(1, "done."); | |
590 | } | |
591 | /* Read the data */ | |
592 | ||
593 | #if _SQUID_WINDOWS_ | |
594 | setmode(1, O_BINARY); | |
595 | #endif | |
596 | ||
597 | while ((len = Transport::Read(buf, sizeof(buf))) > 0) { | |
598 | fsize += len; | |
599 | ||
600 | if (to_stdout && fwrite(buf, len, 1, stdout) != 1) { | |
601 | int xerrno = errno; | |
602 | std::cerr << "ERROR: writing to stdout: " << xstrerr(xerrno) << std::endl; | |
603 | } | |
604 | } | |
605 | ||
606 | #if USE_GNUTLS | |
607 | if (Transport::Config.tlsEnabled) { | |
608 | if (len == 0) { | |
609 | std::cerr << "- Peer has closed the TLS connection" << std::endl; | |
610 | } else if (!gnutls_error_is_fatal(len)) { | |
611 | std::cerr << "WARNING: " << gnutls_strerror(len) << std::endl; | |
612 | } else { | |
613 | std::cerr << "ERROR: " << gnutls_strerror(len) << std::endl; | |
614 | } | |
615 | } | |
616 | #endif | |
617 | ||
618 | #if _SQUID_WINDOWS_ | |
619 | setmode(1, O_TEXT); | |
620 | #endif | |
621 | ||
622 | Transport::CloseConnection(); | |
623 | ||
624 | if (Ping::LoopDone(i)) | |
625 | break; | |
626 | ||
627 | Ping::TimerStop(fsize); | |
628 | } | |
629 | ||
630 | Ping::DisplayStats(); | |
631 | Transport::ShutdownTls(); | |
632 | return EXIT_SUCCESS; | |
633 | } | |
634 | ||
635 | void | |
636 | pipe_handler(int) | |
637 | { | |
638 | std::cerr << "SIGPIPE received." << std::endl; | |
639 | } | |
640 | ||
641 | static void | |
642 | set_our_signal(void) | |
643 | { | |
644 | #if HAVE_SIGACTION | |
645 | struct sigaction sa; | |
646 | sa.sa_handler = pipe_handler; | |
647 | sa.sa_flags = SA_RESTART; | |
648 | sigemptyset(&sa.sa_mask); | |
649 | ||
650 | if (sigaction(SIGPIPE, &sa, NULL) < 0) { | |
651 | std::cerr << "ERROR: Cannot set PIPE signal." << std::endl; | |
652 | exit(EXIT_FAILURE); | |
653 | } | |
654 | #else | |
655 | signal(SIGPIPE, pipe_handler); | |
656 | #endif | |
657 | } | |
658 |