File: | src/usr.bin/ftp/ftp.c |
Warning: | line 1434, column 6 Value stored to 'error' is never read |
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1 | /* $OpenBSD: ftp.c,v 1.109 2023/03/08 04:43:11 guenther Exp $ */ |
2 | /* $NetBSD: ftp.c,v 1.27 1997/08/18 10:20:23 lukem Exp $ */ |
3 | |
4 | /* |
5 | * Copyright (C) 1997 and 1998 WIDE Project. |
6 | * All rights reserved. |
7 | * |
8 | * Redistribution and use in source and binary forms, with or without |
9 | * modification, are permitted provided that the following conditions |
10 | * are met: |
11 | * 1. Redistributions of source code must retain the above copyright |
12 | * notice, this list of conditions and the following disclaimer. |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
14 | * notice, this list of conditions and the following disclaimer in the |
15 | * documentation and/or other materials provided with the distribution. |
16 | * 3. Neither the name of the project nor the names of its contributors |
17 | * may be used to endorse or promote products derived from this software |
18 | * without specific prior written permission. |
19 | * |
20 | * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND |
21 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
23 | * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE |
24 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
25 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
26 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
27 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
28 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
29 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
30 | * SUCH DAMAGE. |
31 | */ |
32 | |
33 | /* |
34 | * Copyright (c) 1985, 1989, 1993, 1994 |
35 | * The Regents of the University of California. All rights reserved. |
36 | * |
37 | * Redistribution and use in source and binary forms, with or without |
38 | * modification, are permitted provided that the following conditions |
39 | * are met: |
40 | * 1. Redistributions of source code must retain the above copyright |
41 | * notice, this list of conditions and the following disclaimer. |
42 | * 2. Redistributions in binary form must reproduce the above copyright |
43 | * notice, this list of conditions and the following disclaimer in the |
44 | * documentation and/or other materials provided with the distribution. |
45 | * 3. Neither the name of the University nor the names of its contributors |
46 | * may be used to endorse or promote products derived from this software |
47 | * without specific prior written permission. |
48 | * |
49 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
50 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
51 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
52 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
53 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
54 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
55 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
56 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
57 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
58 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
59 | * SUCH DAMAGE. |
60 | */ |
61 | |
62 | #include <sys/types.h> |
63 | #include <sys/stat.h> |
64 | #include <sys/socket.h> |
65 | |
66 | #include <netinet/in.h> |
67 | #include <netinet/ip.h> |
68 | #include <arpa/inet.h> |
69 | #include <arpa/ftp.h> |
70 | #include <arpa/telnet.h> |
71 | |
72 | #include <ctype.h> |
73 | #include <err.h> |
74 | #include <errno(*__errno()).h> |
75 | #include <fcntl.h> |
76 | #include <netdb.h> |
77 | #include <poll.h> |
78 | #include <stdarg.h> |
79 | #include <stdio.h> |
80 | #include <stdlib.h> |
81 | #include <string.h> |
82 | #include <unistd.h> |
83 | |
84 | #include "ftp_var.h" |
85 | |
86 | union sockaddr_union { |
87 | struct sockaddr sa; |
88 | struct sockaddr_in sin; |
89 | struct sockaddr_in6 sin6; |
90 | }; |
91 | |
92 | union sockaddr_union myctladdr, hisctladdr, data_addr; |
93 | |
94 | int data = -1; |
95 | int abrtflag = 0; |
96 | jmp_buf ptabort; |
97 | int ptabflg; |
98 | int ptflag = 0; |
99 | off_t restart_point = 0; |
100 | |
101 | |
102 | FILE *cin, *cout; |
103 | |
104 | char * |
105 | hookup(char *host, char *port) |
106 | { |
107 | int s, tos, error; |
108 | static char hostnamebuf[HOST_NAME_MAX255+1]; |
109 | struct addrinfo hints, *res, *res0; |
110 | #ifndef SMALL |
111 | struct addrinfo *ares; |
112 | #endif |
113 | char hbuf[NI_MAXHOST256]; |
114 | char *cause = "unknown"; |
115 | socklen_t namelen; |
116 | |
117 | epsv4bad = 0; |
118 | |
119 | memset((char *)&hisctladdr, 0, sizeof (hisctladdr)); |
120 | memset(&hints, 0, sizeof(hints)); |
121 | hints.ai_flags = AI_CANONNAME2; |
122 | hints.ai_family = family; |
123 | hints.ai_socktype = SOCK_STREAM1; |
124 | hints.ai_protocol = 0; |
125 | error = getaddrinfo(host, port, &hints, &res0); |
126 | if (error == EAI_SERVICE-8) { |
127 | /* |
128 | * If the services file is corrupt/missing, fall back |
129 | * on our hard-coded defines. |
130 | */ |
131 | char pbuf[NI_MAXSERV32]; |
132 | |
133 | pbuf[0] = '\0'; |
134 | if (strcmp(port, "ftp") == 0) |
135 | snprintf(pbuf, sizeof(pbuf), "%d", FTP_PORT21); |
136 | else if (strcmp(port, "ftpgate") == 0) |
137 | snprintf(pbuf, sizeof(pbuf), "%d", GATE_PORT21); |
138 | else if (strcmp(port, "http") == 0) |
139 | snprintf(pbuf, sizeof(pbuf), "%d", HTTP_PORT80); |
140 | #ifndef SMALL |
141 | else if (strcmp(port, "https") == 0) |
142 | snprintf(pbuf, sizeof(pbuf), "%d", HTTPS_PORT443); |
143 | #endif /* !SMALL */ |
144 | if (pbuf[0]) |
145 | error = getaddrinfo(host, pbuf, &hints, &res0); |
146 | } |
147 | if (error) { |
148 | if (error == EAI_SERVICE-8) |
149 | warnx("%s: bad port number `%s'", host, port); |
150 | else |
151 | warnx("%s: %s", host, gai_strerror(error)); |
152 | code = -1; |
153 | return (0); |
154 | } |
155 | |
156 | if (res0->ai_canonname) |
157 | strlcpy(hostnamebuf, res0->ai_canonname, sizeof(hostnamebuf)); |
158 | else |
159 | strlcpy(hostnamebuf, host, sizeof(hostnamebuf)); |
160 | hostname = hostnamebuf; |
161 | |
162 | #ifndef SMALL |
163 | if (srcaddr) { |
164 | struct addrinfo ahints; |
165 | |
166 | memset(&ahints, 0, sizeof(ahints)); |
167 | ahints.ai_family = family; |
168 | ahints.ai_socktype = SOCK_STREAM1; |
169 | ahints.ai_flags |= AI_NUMERICHOST4; |
170 | ahints.ai_protocol = 0; |
171 | |
172 | error = getaddrinfo(srcaddr, NULL((void *)0), &ahints, &ares); |
173 | if (error) { |
174 | warnx("%s: %s", srcaddr, gai_strerror(error)); |
175 | code = -1; |
176 | return (0); |
177 | } |
178 | } |
179 | #endif /* !SMALL */ |
180 | |
181 | s = -1; |
182 | for (res = res0; res; res = res->ai_next) { |
183 | if (res0->ai_next) /* if we have multiple possibilities */ |
184 | { |
185 | if (getnameinfo(res->ai_addr, res->ai_addrlen, |
186 | hbuf, sizeof(hbuf), NULL((void *)0), 0, NI_NUMERICHOST1) != 0) |
187 | strlcpy(hbuf, "unknown", sizeof(hbuf)); |
188 | if (verbose) |
189 | fprintf(ttyout, "Trying %s...\n", hbuf); |
190 | } |
191 | s = socket(res->ai_family, res->ai_socktype, res->ai_protocol); |
192 | if (s == -1) { |
193 | cause = "socket"; |
194 | continue; |
195 | } |
196 | #ifndef SMALL |
197 | if (srcaddr) { |
198 | if (ares->ai_family != res->ai_family) { |
199 | close(s); |
200 | s = -1; |
201 | errno(*__errno()) = EINVAL22; |
202 | cause = "bind"; |
203 | continue; |
204 | } |
205 | if (bind(s, ares->ai_addr, ares->ai_addrlen) == -1) { |
206 | cause = "bind"; |
207 | error = errno(*__errno()); |
208 | close(s); |
209 | errno(*__errno()) = error; |
210 | s = -1; |
211 | continue; |
212 | } |
213 | } |
214 | #endif /* !SMALL */ |
215 | error = timed_connect(s, res->ai_addr, res->ai_addrlen, |
216 | connect_timeout); |
217 | if (error != 0) { |
218 | /* this "if" clause is to prevent print warning twice */ |
219 | if (verbose && res->ai_next) { |
220 | if (getnameinfo(res->ai_addr, res->ai_addrlen, |
221 | hbuf, sizeof(hbuf), NULL((void *)0), 0, |
222 | NI_NUMERICHOST1) != 0) |
223 | strlcpy(hbuf, "(unknown)", |
224 | sizeof(hbuf)); |
225 | warn("connect to address %s", hbuf); |
226 | } |
227 | cause = "connect"; |
228 | error = errno(*__errno()); |
229 | close(s); |
230 | errno(*__errno()) = error; |
231 | s = -1; |
232 | continue; |
233 | } |
234 | |
235 | /* finally we got one */ |
236 | break; |
237 | } |
238 | if (s == -1) { |
239 | warn("%s", cause); |
240 | code = -1; |
241 | freeaddrinfo(res0); |
242 | return 0; |
243 | } |
244 | memcpy(&hisctladdr, res->ai_addr, res->ai_addrlen); |
245 | namelen = res->ai_addrlen; |
246 | freeaddrinfo(res0); |
247 | res0 = res = NULL((void *)0); |
248 | #ifndef SMALL |
249 | if (srcaddr) { |
250 | freeaddrinfo(ares); |
251 | ares = NULL((void *)0); |
252 | } |
253 | #endif /* !SMALL */ |
254 | if (getsockname(s, &myctladdr.sa, &namelen) == -1) { |
255 | warn("getsockname"); |
256 | code = -1; |
257 | goto bad; |
258 | } |
259 | if (hisctladdr.sa.sa_family == AF_INET2) { |
260 | tos = IPTOS_LOWDELAY0x10; |
261 | if (setsockopt(s, IPPROTO_IP0, IP_TOS3, (char *)&tos, sizeof(int)) == -1) |
262 | warn("setsockopt TOS (ignored)"); |
263 | } |
264 | cin = fdopen(s, "r"); |
265 | cout = fdopen(s, "w"); |
266 | if (cin == NULL((void *)0) || cout == NULL((void *)0)) { |
267 | warnx("fdopen failed."); |
268 | if (cin) |
269 | (void)fclose(cin); |
270 | if (cout) |
271 | (void)fclose(cout); |
272 | code = -1; |
273 | goto bad; |
274 | } |
275 | if (verbose) |
276 | fprintf(ttyout, "Connected to %s.\n", hostname); |
277 | if (getreply(0) > 2) { /* read startup message from server */ |
278 | if (cin) |
279 | (void)fclose(cin); |
280 | if (cout) |
281 | (void)fclose(cout); |
282 | code = -1; |
283 | goto bad; |
284 | } |
285 | { |
286 | int ret, on = 1; |
287 | |
288 | ret = setsockopt(s, SOL_SOCKET0xffff, SO_OOBINLINE0x0100, (char *)&on, sizeof(on)); |
289 | #ifndef SMALL |
290 | if (ret == -1 && debug) |
291 | warn("setsockopt"); |
292 | #endif /* !SMALL */ |
293 | } |
294 | |
295 | return (hostname); |
296 | bad: |
297 | (void)close(s); |
298 | return (NULL((void *)0)); |
299 | } |
300 | |
301 | void |
302 | cmdabort(int signo) |
303 | { |
304 | int save_errno = errno(*__errno()); |
305 | |
306 | alarmtimer(0); |
307 | (void) write(fileno(ttyout)(!__isthreaded ? ((ttyout)->_file) : (fileno)(ttyout)), "\n\r", 2); |
308 | abrtflag++; |
309 | |
310 | errno(*__errno()) = save_errno; |
311 | if (ptflag) |
312 | longjmp(ptabort, 1); |
313 | } |
314 | |
315 | int |
316 | command(const char *fmt, ...) |
317 | { |
318 | va_list ap; |
319 | int r; |
320 | sig_t oldintr; |
321 | |
322 | abrtflag = 0; |
323 | #ifndef SMALL |
324 | if (debug) { |
325 | fputs("---> ", ttyout); |
326 | va_start(ap, fmt)__builtin_va_start((ap), fmt); |
327 | if (strncmp("PASS ", fmt, 5) == 0) |
328 | fputs("PASS XXXX", ttyout); |
329 | else if (strncmp("ACCT ", fmt, 5) == 0) |
330 | fputs("ACCT XXXX", ttyout); |
331 | else |
332 | vfprintf(ttyout, fmt, ap); |
333 | va_end(ap)__builtin_va_end((ap)); |
334 | putc('\n', ttyout)(!__isthreaded ? __sputc('\n', ttyout) : (putc)('\n', ttyout) ); |
335 | (void)fflush(ttyout); |
336 | } |
337 | #endif /* !SMALL */ |
338 | if (cout == NULL((void *)0)) { |
339 | warnx("No control connection for command."); |
340 | code = -1; |
341 | return (0); |
342 | } |
343 | oldintr = signal(SIGINT2, cmdabort); |
344 | va_start(ap, fmt)__builtin_va_start((ap), fmt); |
345 | vfprintf(cout, fmt, ap); |
346 | va_end(ap)__builtin_va_end((ap)); |
347 | fputs("\r\n", cout); |
348 | (void)fflush(cout); |
349 | cpend = 1; |
350 | r = getreply(!strcmp(fmt, "QUIT")); |
351 | if (abrtflag && oldintr != SIG_IGN(void (*)(int))1) |
352 | (*oldintr)(SIGINT2); |
353 | (void)signal(SIGINT2, oldintr); |
354 | return (r); |
355 | } |
356 | |
357 | int keep_alive_timeout = 60; /* 0 -> no timeout */ |
358 | |
359 | static int full_noops_sent = 0; |
360 | static time_t last_timestamp = 0; /* 0 -> no measurement yet */ |
361 | static char noop[] = "NOOP\r\n"; |
362 | #define NOOP_LENGTH(sizeof noop - 1) (sizeof noop - 1) |
363 | static int current_nop_pos = 0; /* 0 -> no noop started */ |
364 | |
365 | /* to achieve keep alive, we send noop one byte at a time */ |
366 | static void |
367 | send_noop_char(void) |
368 | { |
369 | #ifndef SMALL |
370 | if (debug) |
371 | fprintf(ttyout, "---> %c\n", noop[current_nop_pos]); |
372 | #endif /* !SMALL */ |
373 | fputc(noop[current_nop_pos++], cout); |
374 | (void)fflush(cout); |
375 | if (current_nop_pos >= NOOP_LENGTH(sizeof noop - 1)) { |
376 | full_noops_sent++; |
377 | current_nop_pos = 0; |
378 | } |
379 | } |
380 | |
381 | static void |
382 | may_reset_noop_timeout(void) |
383 | { |
384 | if (keep_alive_timeout != 0) |
385 | last_timestamp = time(NULL((void *)0)); |
386 | } |
387 | |
388 | static void |
389 | may_receive_noop_ack(void) |
390 | { |
391 | int i; |
392 | |
393 | if (cout == NULL((void *)0)) { |
394 | /* Lost connection; so just pretend we're fine. */ |
395 | current_nop_pos = full_noops_sent = 0; |
396 | return; |
397 | } |
398 | |
399 | /* finish sending last incomplete noop */ |
400 | if (current_nop_pos != 0) { |
401 | fputs(&(noop[current_nop_pos]), cout); |
402 | #ifndef SMALL |
403 | if (debug) |
404 | fprintf(ttyout, "---> %s\n", &(noop[current_nop_pos])); |
405 | #endif /* !SMALL */ |
406 | (void)fflush(cout); |
407 | current_nop_pos = 0; |
408 | full_noops_sent++; |
409 | } |
410 | /* and get the replies */ |
411 | for (i = 0; i < full_noops_sent; i++) |
412 | (void)getreply(0); |
413 | |
414 | full_noops_sent = 0; |
415 | } |
416 | |
417 | static void |
418 | may_send_noop_char(void) |
419 | { |
420 | if (keep_alive_timeout != 0) { |
421 | if (last_timestamp != 0) { |
422 | time_t t = time(NULL((void *)0)); |
423 | |
424 | if (t - last_timestamp >= keep_alive_timeout) { |
425 | last_timestamp = t; |
426 | send_noop_char(); |
427 | } |
428 | } else { |
429 | last_timestamp = time(NULL((void *)0)); |
430 | } |
431 | } |
432 | } |
433 | |
434 | char reply_string[BUFSIZ1024]; /* first line of previous reply */ |
435 | |
436 | int |
437 | getreply(int expecteof) |
438 | { |
439 | char current_line[BUFSIZ1024]; /* last line of previous reply */ |
440 | int c, n, lineno; |
441 | int dig; |
442 | int originalcode = 0, continuation = 0; |
443 | sig_t oldintr; |
444 | int pflag = 0; |
445 | char *cp, *pt = pasv; |
446 | |
447 | memset(current_line, 0, sizeof(current_line)); |
448 | oldintr = signal(SIGINT2, cmdabort); |
449 | for (lineno = 0 ;; lineno++) { |
450 | dig = n = code = 0; |
451 | cp = current_line; |
452 | while ((c = fgetc(cin)) != '\n') { |
453 | if (c == IAC255) { /* handle telnet commands */ |
454 | switch (c = fgetc(cin)) { |
455 | case WILL251: |
456 | case WONT252: |
457 | c = fgetc(cin); |
458 | fprintf(cout, "%c%c%c", IAC255, DONT254, c); |
459 | (void)fflush(cout); |
460 | break; |
461 | case DO253: |
462 | case DONT254: |
463 | c = fgetc(cin); |
464 | fprintf(cout, "%c%c%c", IAC255, WONT252, c); |
465 | (void)fflush(cout); |
466 | break; |
467 | default: |
468 | break; |
469 | } |
470 | continue; |
471 | } |
472 | dig++; |
473 | if (c == EOF(-1)) { |
474 | if (expecteof) { |
475 | (void)signal(SIGINT2, oldintr); |
476 | code = 221; |
477 | return (0); |
478 | } |
479 | lostpeer(); |
480 | if (verbose) { |
481 | fputs( |
482 | "421 Service not available, remote server has closed connection.\n", ttyout); |
483 | (void)fflush(ttyout); |
484 | } |
485 | code = 421; |
486 | return (4); |
487 | } |
488 | if (c != '\r' && (verbose > 0 || |
489 | ((verbose > -1 && n == '5' && dig > 4) && |
490 | (((!n && c < '5') || (n && n < '5')) || |
491 | !retry_connect)))) { |
492 | if (proxflag && |
493 | (dig == 1 || (dig == 5 && verbose == 0))) |
494 | fprintf(ttyout, "%s:", hostname); |
495 | (void)putc(c, ttyout)(!__isthreaded ? __sputc(c, ttyout) : (putc)(c, ttyout)); |
496 | } |
497 | if (dig < 4 && isdigit(c)) |
498 | code = code * 10 + (c - '0'); |
499 | if (!pflag && (code == 227 || code == 228)) |
500 | pflag = 1; |
501 | else if (!pflag && code == 229) |
502 | pflag = 100; |
503 | if (dig > 4 && pflag == 1 && isdigit(c)) |
504 | pflag = 2; |
505 | if (pflag == 2) { |
506 | if (c != '\r' && c != ')') { |
507 | if (pt < &pasv[sizeof(pasv) - 1]) |
508 | *pt++ = c; |
509 | } else { |
510 | *pt = '\0'; |
511 | pflag = 3; |
512 | } |
513 | } |
514 | if (pflag == 100 && c == '(') |
515 | pflag = 2; |
516 | if (dig == 4 && c == '-') { |
517 | if (continuation) |
518 | code = 0; |
519 | continuation++; |
520 | } |
521 | if (n == 0) |
522 | n = c; |
523 | if (cp < ¤t_line[sizeof(current_line) - 1]) |
524 | *cp++ = c; |
525 | } |
526 | if (verbose > 0 || ((verbose > -1 && n == '5') && |
527 | (n < '5' || !retry_connect))) { |
528 | (void)putc(c, ttyout)(!__isthreaded ? __sputc(c, ttyout) : (putc)(c, ttyout)); |
529 | (void)fflush (ttyout); |
530 | } |
531 | if (lineno == 0) { |
532 | size_t len = cp - current_line; |
533 | |
534 | if (len > sizeof(reply_string)) |
535 | len = sizeof(reply_string); |
536 | |
537 | (void)strlcpy(reply_string, current_line, len); |
538 | } |
539 | if (continuation && code != originalcode) { |
540 | if (originalcode == 0) |
541 | originalcode = code; |
542 | continue; |
543 | } |
544 | *cp = '\0'; |
545 | if (n != '1') |
546 | cpend = 0; |
547 | (void)signal(SIGINT2, oldintr); |
548 | if (code == 421 || originalcode == 421) |
549 | lostpeer(); |
550 | if (abrtflag && oldintr != cmdabort && oldintr != SIG_IGN(void (*)(int))1) |
551 | (*oldintr)(SIGINT2); |
552 | return (n - '0'); |
553 | } |
554 | } |
555 | |
556 | #ifndef SMALL |
557 | jmp_buf sendabort; |
558 | |
559 | void |
560 | abortsend(int signo) |
561 | { |
562 | int save_errno = errno(*__errno()); |
563 | alarmtimer(0); |
564 | mflag = 0; |
565 | abrtflag = 0; |
566 | #define MSG "\nsend aborted\nwaiting for remote to finish abort.\n" |
567 | (void) write(fileno(ttyout)(!__isthreaded ? ((ttyout)->_file) : (fileno)(ttyout)), MSG, strlen(MSG)); |
568 | #undef MSG |
569 | |
570 | errno(*__errno()) = save_errno; |
571 | longjmp(sendabort, 1); |
572 | } |
573 | |
574 | void |
575 | sendrequest(const char *cmd, const char *local, const char *remote, |
576 | int printnames) |
577 | { |
578 | struct stat st; |
579 | int c, d; |
580 | FILE * volatile fin, * volatile dout; |
581 | int (* volatile closefunc)(FILE *); |
582 | volatile sig_t oldinti, oldintr, oldintp; |
583 | volatile off_t hashbytes; |
584 | char * volatile lmode; |
585 | char buf[BUFSIZ1024], *bufp; |
586 | int oprogress, serrno; |
587 | |
588 | hashbytes = mark; |
589 | direction = "sent"; |
590 | dout = NULL((void *)0); |
591 | bytes = 0; |
592 | filesize = -1; |
593 | oprogress = progress; |
594 | if (verbose && printnames) { |
595 | if (local && *local != '-') |
596 | fprintf(ttyout, "local: %s ", local); |
597 | if (remote) |
598 | fprintf(ttyout, "remote: %s\n", remote); |
599 | } |
600 | if (proxy) { |
601 | proxtrans(cmd, local, remote); |
602 | return; |
603 | } |
604 | if (curtype != type) |
605 | changetype(type, 0); |
606 | closefunc = NULL((void *)0); |
607 | oldintr = NULL((void *)0); |
608 | oldintp = NULL((void *)0); |
609 | oldinti = NULL((void *)0); |
610 | lmode = "w"; |
611 | if (setjmp(sendabort)) { |
612 | while (cpend) { |
613 | (void)getreply(0); |
614 | } |
615 | if (data >= 0) { |
616 | (void)close(data); |
617 | data = -1; |
618 | } |
619 | if (oldintr) |
620 | (void)signal(SIGINT2, oldintr); |
621 | if (oldintp) |
622 | (void)signal(SIGPIPE13, oldintp); |
623 | if (oldinti) |
624 | (void)signal(SIGINFO29, oldinti); |
625 | progress = oprogress; |
626 | code = -1; |
627 | return; |
628 | } |
629 | oldintr = signal(SIGINT2, abortsend); |
630 | oldinti = signal(SIGINFO29, psummary); |
631 | if (strcmp(local, "-") == 0) { |
632 | fin = stdin(&__sF[0]); |
633 | if (progress == 1) |
634 | progress = 0; |
635 | } else if (*local == '|') { |
636 | oldintp = signal(SIGPIPE13, SIG_IGN(void (*)(int))1); |
637 | fin = popen(local + 1, "r"); |
638 | if (fin == NULL((void *)0)) { |
639 | warn("%s", local + 1); |
640 | (void)signal(SIGINT2, oldintr); |
641 | (void)signal(SIGPIPE13, oldintp); |
642 | (void)signal(SIGINFO29, oldinti); |
643 | code = -1; |
644 | return; |
645 | } |
646 | if (progress == 1) |
647 | progress = 0; |
648 | closefunc = pclose; |
649 | } else { |
650 | fin = fopen(local, "r"); |
651 | if (fin == NULL((void *)0)) { |
652 | warn("local: %s", local); |
653 | (void)signal(SIGINT2, oldintr); |
654 | (void)signal(SIGINFO29, oldinti); |
655 | code = -1; |
656 | return; |
657 | } |
658 | closefunc = fclose; |
659 | if (fstat(fileno(fin)(!__isthreaded ? ((fin)->_file) : (fileno)(fin)), &st) == -1 || |
660 | (st.st_mode & S_IFMT0170000) != S_IFREG0100000) { |
661 | fprintf(ttyout, "%s: not a plain file.\n", local); |
662 | (void)signal(SIGINT2, oldintr); |
663 | (void)signal(SIGINFO29, oldinti); |
664 | fclose(fin); |
665 | code = -1; |
666 | return; |
667 | } |
668 | filesize = st.st_size; |
669 | } |
670 | if (initconn()) { |
671 | (void)signal(SIGINT2, oldintr); |
672 | (void)signal(SIGINFO29, oldinti); |
673 | if (oldintp) |
674 | (void)signal(SIGPIPE13, oldintp); |
675 | code = -1; |
676 | progress = oprogress; |
677 | if (closefunc != NULL((void *)0)) |
678 | (*closefunc)(fin); |
679 | return; |
680 | } |
681 | if (setjmp(sendabort)) |
682 | goto abort; |
683 | |
684 | if (restart_point && |
685 | (strcmp(cmd, "STOR") == 0 || strcmp(cmd, "APPE") == 0)) { |
686 | int rc = -1; |
687 | |
688 | switch (curtype) { |
689 | case TYPE_A1: |
690 | rc = fseeko(fin, restart_point, SEEK_SET0); |
691 | break; |
692 | case TYPE_I3: |
693 | if (lseek(fileno(fin)(!__isthreaded ? ((fin)->_file) : (fileno)(fin)), restart_point, SEEK_SET0) != -1) |
694 | rc = 0; |
695 | break; |
696 | } |
697 | if (rc == -1) { |
698 | warn("local: %s", local); |
699 | progress = oprogress; |
700 | if (closefunc != NULL((void *)0)) |
701 | (*closefunc)(fin); |
702 | return; |
703 | } |
704 | if (command("REST %lld", (long long) restart_point) |
705 | != CONTINUE3) { |
706 | progress = oprogress; |
707 | if (closefunc != NULL((void *)0)) |
708 | (*closefunc)(fin); |
709 | return; |
710 | } |
711 | lmode = "r+w"; |
712 | } |
713 | if (remote) { |
714 | if (command("%s %s", cmd, remote) != PRELIM1) { |
715 | (void)signal(SIGINT2, oldintr); |
716 | (void)signal(SIGINFO29, oldinti); |
717 | progress = oprogress; |
718 | if (oldintp) |
719 | (void)signal(SIGPIPE13, oldintp); |
720 | if (closefunc != NULL((void *)0)) |
721 | (*closefunc)(fin); |
722 | return; |
723 | } |
724 | } else |
725 | if (command("%s", cmd) != PRELIM1) { |
726 | (void)signal(SIGINT2, oldintr); |
727 | (void)signal(SIGINFO29, oldinti); |
728 | progress = oprogress; |
729 | if (oldintp) |
730 | (void)signal(SIGPIPE13, oldintp); |
731 | if (closefunc != NULL((void *)0)) |
732 | (*closefunc)(fin); |
733 | return; |
734 | } |
735 | dout = dataconn(lmode); |
736 | if (dout == NULL((void *)0)) |
737 | goto abort; |
738 | progressmeter(-1, remote); |
739 | may_reset_noop_timeout(); |
740 | oldintp = signal(SIGPIPE13, SIG_IGN(void (*)(int))1); |
741 | serrno = 0; |
742 | switch (curtype) { |
743 | |
744 | case TYPE_I3: |
745 | d = 0; |
746 | while ((c = read(fileno(fin)(!__isthreaded ? ((fin)->_file) : (fileno)(fin)), buf, sizeof(buf))) > 0) { |
747 | may_send_noop_char(); |
748 | bytes += c; |
749 | for (bufp = buf; c > 0; c -= d, bufp += d) |
750 | if ((d = write(fileno(dout)(!__isthreaded ? ((dout)->_file) : (fileno)(dout)), bufp, (size_t)c)) |
751 | <= 0) |
752 | break; |
753 | if (hash && (!progress || filesize < 0) ) { |
754 | while (bytes >= hashbytes) { |
755 | (void)putc('#', ttyout)(!__isthreaded ? __sputc('#', ttyout) : (putc)('#', ttyout)); |
756 | hashbytes += mark; |
757 | } |
758 | (void)fflush(ttyout); |
759 | } |
760 | } |
761 | if (c == -1 || d == -1) |
762 | serrno = errno(*__errno()); |
763 | if (hash && (!progress || filesize < 0) && bytes > 0) { |
764 | if (bytes < mark) |
765 | (void)putc('#', ttyout)(!__isthreaded ? __sputc('#', ttyout) : (putc)('#', ttyout)); |
766 | (void)putc('\n', ttyout)(!__isthreaded ? __sputc('\n', ttyout) : (putc)('\n', ttyout) ); |
767 | (void)fflush(ttyout); |
768 | } |
769 | if (c < 0) |
770 | warnc(serrno, "local: %s", local); |
771 | if (d < 0) { |
772 | if (serrno != EPIPE32) |
773 | warnc(serrno, "netout"); |
774 | bytes = -1; |
775 | } |
776 | break; |
777 | |
778 | case TYPE_A1: |
779 | while ((c = fgetc(fin)) != EOF(-1)) { |
780 | may_send_noop_char(); |
781 | if (c == '\n') { |
782 | while (hash && (!progress || filesize < 0) && |
783 | (bytes >= hashbytes)) { |
784 | (void)putc('#', ttyout)(!__isthreaded ? __sputc('#', ttyout) : (putc)('#', ttyout)); |
785 | (void)fflush(ttyout); |
786 | hashbytes += mark; |
787 | } |
788 | if (ferror(dout)(!__isthreaded ? (((dout)->_flags & 0x0040) != 0) : (ferror )(dout))) |
789 | break; |
790 | (void)putc('\r', dout)(!__isthreaded ? __sputc('\r', dout) : (putc)('\r', dout)); |
791 | bytes++; |
792 | } |
793 | (void)putc(c, dout)(!__isthreaded ? __sputc(c, dout) : (putc)(c, dout)); |
794 | bytes++; |
795 | } |
796 | if (ferror(fin)(!__isthreaded ? (((fin)->_flags & 0x0040) != 0) : (ferror )(fin)) || ferror(dout)(!__isthreaded ? (((dout)->_flags & 0x0040) != 0) : (ferror )(dout))) |
797 | serrno = errno(*__errno()); |
798 | if (hash && (!progress || filesize < 0)) { |
799 | if (bytes < hashbytes) |
800 | (void)putc('#', ttyout)(!__isthreaded ? __sputc('#', ttyout) : (putc)('#', ttyout)); |
801 | (void)putc('\n', ttyout)(!__isthreaded ? __sputc('\n', ttyout) : (putc)('\n', ttyout) ); |
802 | (void)fflush(ttyout); |
803 | } |
804 | if (ferror(fin)(!__isthreaded ? (((fin)->_flags & 0x0040) != 0) : (ferror )(fin))) |
805 | warnc(serrno, "local: %s", local); |
806 | if (ferror(dout)(!__isthreaded ? (((dout)->_flags & 0x0040) != 0) : (ferror )(dout))) { |
807 | if (errno(*__errno()) != EPIPE32) |
808 | warnc(serrno, "netout"); |
809 | bytes = -1; |
810 | } |
811 | break; |
812 | } |
813 | progressmeter(1, NULL((void *)0)); |
814 | progress = oprogress; |
815 | if (closefunc != NULL((void *)0)) |
816 | (*closefunc)(fin); |
817 | (void)fclose(dout); |
818 | (void)getreply(0); |
819 | may_receive_noop_ack(); |
820 | (void)signal(SIGINT2, oldintr); |
821 | (void)signal(SIGINFO29, oldinti); |
822 | if (oldintp) |
823 | (void)signal(SIGPIPE13, oldintp); |
824 | if (bytes > 0) |
825 | ptransfer(0); |
826 | return; |
827 | abort: |
828 | (void)signal(SIGINT2, oldintr); |
829 | (void)signal(SIGINFO29, oldinti); |
830 | progress = oprogress; |
831 | if (oldintp) |
832 | (void)signal(SIGPIPE13, oldintp); |
833 | if (!cpend) { |
834 | code = -1; |
835 | return; |
836 | } |
837 | if (data >= 0) { |
838 | (void)close(data); |
839 | data = -1; |
840 | } |
841 | if (dout) |
842 | (void)fclose(dout); |
843 | (void)getreply(0); |
844 | code = -1; |
845 | if (closefunc != NULL((void *)0) && fin != NULL((void *)0)) |
846 | (*closefunc)(fin); |
847 | if (bytes > 0) |
848 | ptransfer(0); |
849 | } |
850 | #endif /* !SMALL */ |
851 | |
852 | jmp_buf recvabort; |
853 | |
854 | void |
855 | abortrecv(int signo) |
856 | { |
857 | |
858 | alarmtimer(0); |
859 | mflag = 0; |
860 | abrtflag = 0; |
861 | fputs("\nreceive aborted\nwaiting for remote to finish abort.\n", ttyout); |
862 | (void)fflush(ttyout); |
863 | longjmp(recvabort, 1); |
864 | } |
865 | |
866 | void |
867 | recvrequest(const char *cmd, const char * volatile local, const char *remote, |
868 | const char *lmode, int printnames, int ignorespecial) |
869 | { |
870 | FILE * volatile fout, * volatile din; |
871 | int (* volatile closefunc)(FILE *); |
872 | volatile sig_t oldinti, oldintr, oldintp; |
873 | int c, d, serrno; |
874 | volatile int is_retr, tcrflag, bare_lfs; |
875 | static size_t bufsize; |
876 | static char *buf; |
877 | volatile off_t hashbytes; |
878 | struct stat st; |
879 | time_t mtime; |
880 | int oprogress; |
881 | int opreserve; |
882 | |
883 | fout = NULL((void *)0); |
884 | din = NULL((void *)0); |
885 | oldinti = NULL((void *)0); |
886 | hashbytes = mark; |
887 | direction = "received"; |
888 | bytes = 0; |
889 | bare_lfs = 0; |
890 | filesize = -1; |
891 | oprogress = progress; |
892 | opreserve = preserve; |
893 | is_retr = strcmp(cmd, "RETR") == 0; |
894 | if (is_retr && verbose && printnames) { |
895 | if (local && (ignorespecial || *local != '-')) |
896 | fprintf(ttyout, "local: %s ", local); |
897 | if (remote) |
898 | fprintf(ttyout, "remote: %s\n", remote); |
899 | } |
900 | if (proxy && is_retr) { |
901 | proxtrans(cmd, local, remote); |
902 | return; |
903 | } |
904 | closefunc = NULL((void *)0); |
905 | oldintr = NULL((void *)0); |
906 | oldintp = NULL((void *)0); |
907 | tcrflag = !crflag && is_retr; |
908 | if (setjmp(recvabort)) { |
909 | while (cpend) { |
910 | (void)getreply(0); |
911 | } |
912 | if (data >= 0) { |
913 | (void)close(data); |
914 | data = -1; |
915 | } |
916 | if (oldintr) |
917 | (void)signal(SIGINT2, oldintr); |
918 | if (oldinti) |
919 | (void)signal(SIGINFO29, oldinti); |
920 | progress = oprogress; |
921 | preserve = opreserve; |
922 | code = -1; |
923 | return; |
924 | } |
925 | oldintr = signal(SIGINT2, abortrecv); |
926 | oldinti = signal(SIGINFO29, psummary); |
927 | if (ignorespecial || (strcmp(local, "-") && *local != '|')) { |
928 | if (access(local, W_OK0x02) == -1) { |
929 | char *dir; |
930 | |
931 | if (errno(*__errno()) != ENOENT2 && errno(*__errno()) != EACCES13) { |
932 | warn("local: %s", local); |
933 | (void)signal(SIGINT2, oldintr); |
934 | (void)signal(SIGINFO29, oldinti); |
935 | code = -1; |
936 | return; |
937 | } |
938 | dir = strrchr(local, '/'); |
939 | if (dir != NULL((void *)0)) |
940 | *dir = 0; |
941 | d = access(dir == local ? "/" : dir ? local : ".", W_OK0x02); |
942 | if (dir != NULL((void *)0)) |
943 | *dir = '/'; |
944 | if (d == -1) { |
945 | warn("local: %s", local); |
946 | (void)signal(SIGINT2, oldintr); |
947 | (void)signal(SIGINFO29, oldinti); |
948 | code = -1; |
949 | return; |
950 | } |
951 | if (!runique && errno(*__errno()) == EACCES13 && |
952 | chmod(local, (S_IRUSR0000400|S_IWUSR0000200)) == -1) { |
953 | warn("local: %s", local); |
954 | (void)signal(SIGINT2, oldintr); |
955 | (void)signal(SIGINFO29, oldinti); |
956 | code = -1; |
957 | return; |
958 | } |
959 | if (runique && errno(*__errno()) == EACCES13 && |
960 | (local = gunique(local)) == NULL((void *)0)) { |
961 | (void)signal(SIGINT2, oldintr); |
962 | (void)signal(SIGINFO29, oldinti); |
963 | code = -1; |
964 | return; |
965 | } |
966 | } else if (runique && (local = gunique(local)) == NULL((void *)0)) { |
967 | (void)signal(SIGINT2, oldintr); |
968 | (void)signal(SIGINFO29, oldinti); |
969 | code = -1; |
970 | return; |
971 | } |
972 | } |
973 | if (!is_retr) { |
974 | if (curtype != TYPE_A1) |
975 | changetype(TYPE_A1, 0); |
976 | } else { |
977 | if (curtype != type) |
978 | changetype(type, 0); |
979 | filesize = remotesize(remote, 0); |
980 | } |
981 | if (initconn()) { |
982 | (void)signal(SIGINT2, oldintr); |
983 | (void)signal(SIGINFO29, oldinti); |
984 | code = -1; |
985 | return; |
986 | } |
987 | if (setjmp(recvabort)) |
988 | goto abort; |
989 | if (is_retr && restart_point && |
990 | command("REST %lld", (long long) restart_point) != CONTINUE3) |
991 | return; |
992 | if (remote) { |
993 | if (command("%s %s", cmd, remote) != PRELIM1) { |
994 | (void)signal(SIGINT2, oldintr); |
995 | (void)signal(SIGINFO29, oldinti); |
996 | return; |
997 | } |
998 | } else { |
999 | if (command("%s", cmd) != PRELIM1) { |
1000 | (void)signal(SIGINT2, oldintr); |
1001 | (void)signal(SIGINFO29, oldinti); |
1002 | return; |
1003 | } |
1004 | } |
1005 | din = dataconn("r"); |
1006 | if (din == NULL((void *)0)) |
1007 | goto abort; |
1008 | if (!ignorespecial && strcmp(local, "-") == 0) { |
1009 | fout = stdout(&__sF[1]); |
1010 | preserve = 0; |
1011 | } else if (!ignorespecial && *local == '|') { |
1012 | oldintp = signal(SIGPIPE13, SIG_IGN(void (*)(int))1); |
1013 | fout = popen(local + 1, "w"); |
1014 | if (fout == NULL((void *)0)) { |
1015 | warn("%s", local+1); |
1016 | goto abort; |
1017 | } |
1018 | if (progress == 1) |
1019 | progress = 0; |
1020 | preserve = 0; |
1021 | closefunc = pclose; |
1022 | } else { |
1023 | fout = fopen(local, lmode); |
1024 | if (fout == NULL((void *)0)) { |
1025 | warn("local: %s", local); |
1026 | goto abort; |
1027 | } |
1028 | closefunc = fclose; |
1029 | } |
1030 | if (fstat(fileno(fout)(!__isthreaded ? ((fout)->_file) : (fileno)(fout)), &st) == -1 || st.st_blksize == 0) |
1031 | st.st_blksize = BUFSIZ1024; |
1032 | if (st.st_blksize > bufsize) { |
1033 | (void)free(buf); |
1034 | buf = malloc((unsigned)st.st_blksize); |
1035 | if (buf == NULL((void *)0)) { |
1036 | warn("malloc"); |
1037 | bufsize = 0; |
1038 | goto abort; |
1039 | } |
1040 | bufsize = st.st_blksize; |
1041 | } |
1042 | if ((st.st_mode & S_IFMT0170000) != S_IFREG0100000) { |
1043 | if (progress == 1) |
1044 | progress = 0; |
1045 | preserve = 0; |
1046 | } |
1047 | progressmeter(-1, remote); |
1048 | may_reset_noop_timeout(); |
1049 | serrno = 0; |
1050 | switch (curtype) { |
1051 | |
1052 | case TYPE_I3: |
1053 | if (restart_point && |
1054 | lseek(fileno(fout)(!__isthreaded ? ((fout)->_file) : (fileno)(fout)), restart_point, SEEK_SET0) == -1) { |
1055 | warn("local: %s", local); |
1056 | progress = oprogress; |
1057 | preserve = opreserve; |
1058 | if (closefunc != NULL((void *)0)) |
1059 | (*closefunc)(fout); |
1060 | return; |
1061 | } |
1062 | errno(*__errno()) = d = 0; |
1063 | while ((c = read(fileno(din)(!__isthreaded ? ((din)->_file) : (fileno)(din)), buf, bufsize)) > 0) { |
1064 | ssize_t wr; |
1065 | size_t rd = c; |
1066 | |
1067 | may_send_noop_char(); |
1068 | d = 0; |
1069 | do { |
1070 | wr = write(fileno(fout)(!__isthreaded ? ((fout)->_file) : (fileno)(fout)), buf + d, rd); |
1071 | if (wr == -1) { |
1072 | d = -1; |
1073 | break; |
1074 | } |
1075 | d += wr; |
1076 | rd -= wr; |
1077 | } while (d < c); |
1078 | if (rd != 0) |
1079 | break; |
1080 | bytes += c; |
1081 | if (hash && (!progress || filesize < 0)) { |
1082 | while (bytes >= hashbytes) { |
1083 | (void)putc('#', ttyout)(!__isthreaded ? __sputc('#', ttyout) : (putc)('#', ttyout)); |
1084 | hashbytes += mark; |
1085 | } |
1086 | (void)fflush(ttyout); |
1087 | } |
1088 | } |
1089 | if (c == -1 || d < c) |
1090 | serrno = errno(*__errno()); |
1091 | if (hash && (!progress || filesize < 0) && bytes > 0) { |
1092 | if (bytes < mark) |
1093 | (void)putc('#', ttyout)(!__isthreaded ? __sputc('#', ttyout) : (putc)('#', ttyout)); |
1094 | (void)putc('\n', ttyout)(!__isthreaded ? __sputc('\n', ttyout) : (putc)('\n', ttyout) ); |
1095 | (void)fflush(ttyout); |
1096 | } |
1097 | if (c < 0) { |
1098 | if (serrno != EPIPE32) |
1099 | warnc(serrno, "netin"); |
1100 | bytes = -1; |
1101 | } |
1102 | if (d < c) { |
1103 | if (d < 0) |
1104 | warnc(serrno, "local: %s", local); |
1105 | else |
1106 | warnx("%s: short write", local); |
1107 | } |
1108 | break; |
1109 | |
1110 | case TYPE_A1: |
1111 | if (restart_point) { |
1112 | int i, n, ch; |
1113 | |
1114 | if (fseek(fout, 0L, SEEK_SET0) == -1) |
1115 | goto done; |
1116 | n = restart_point; |
1117 | for (i = 0; i++ < n;) { |
1118 | if ((ch = fgetc(fout)) == EOF(-1)) { |
1119 | if (!ferror(fout)(!__isthreaded ? (((fout)->_flags & 0x0040) != 0) : (ferror )(fout))) |
1120 | errno(*__errno()) = 0; |
1121 | goto done; |
1122 | } |
1123 | if (ch == '\n') |
1124 | i++; |
1125 | } |
1126 | if (fseek(fout, 0L, SEEK_CUR1) == -1) { |
1127 | done: |
1128 | if (errno(*__errno())) |
1129 | warn("local: %s", local); |
1130 | else |
1131 | warnx("local: %s", local); |
1132 | progress = oprogress; |
1133 | preserve = opreserve; |
1134 | if (closefunc != NULL((void *)0)) |
1135 | (*closefunc)(fout); |
1136 | return; |
1137 | } |
1138 | } |
1139 | while ((c = fgetc(din)) != EOF(-1)) { |
1140 | may_send_noop_char(); |
1141 | if (c == '\n') |
1142 | bare_lfs++; |
1143 | while (c == '\r') { |
1144 | while (hash && (!progress || filesize < 0) && |
1145 | (bytes >= hashbytes)) { |
1146 | (void)putc('#', ttyout)(!__isthreaded ? __sputc('#', ttyout) : (putc)('#', ttyout)); |
1147 | (void)fflush(ttyout); |
1148 | hashbytes += mark; |
1149 | } |
1150 | bytes++; |
1151 | if ((c = fgetc(din)) != '\n' || tcrflag) { |
1152 | if (ferror(fout)(!__isthreaded ? (((fout)->_flags & 0x0040) != 0) : (ferror )(fout))) |
1153 | goto break2; |
1154 | (void)putc('\r', fout)(!__isthreaded ? __sputc('\r', fout) : (putc)('\r', fout)); |
1155 | if (c == '\0') { |
1156 | bytes++; |
1157 | goto contin2; |
1158 | } |
1159 | if (c == EOF(-1)) |
1160 | goto contin2; |
1161 | } |
1162 | } |
1163 | (void)putc(c, fout)(!__isthreaded ? __sputc(c, fout) : (putc)(c, fout)); |
1164 | bytes++; |
1165 | contin2: ; |
1166 | } |
1167 | break2: |
1168 | if (ferror(din)(!__isthreaded ? (((din)->_flags & 0x0040) != 0) : (ferror )(din)) || ferror(fout)(!__isthreaded ? (((fout)->_flags & 0x0040) != 0) : (ferror )(fout))) |
1169 | serrno = errno(*__errno()); |
1170 | if (bare_lfs) { |
1171 | fprintf(ttyout, |
1172 | "WARNING! %d bare linefeeds received in ASCII mode.\n", bare_lfs); |
1173 | fputs("File may not have transferred correctly.\n", |
1174 | ttyout); |
1175 | } |
1176 | if (hash && (!progress || filesize < 0)) { |
1177 | if (bytes < hashbytes) |
1178 | (void)putc('#', ttyout)(!__isthreaded ? __sputc('#', ttyout) : (putc)('#', ttyout)); |
1179 | (void)putc('\n', ttyout)(!__isthreaded ? __sputc('\n', ttyout) : (putc)('\n', ttyout) ); |
1180 | (void)fflush(ttyout); |
1181 | } |
1182 | if (ferror(din)(!__isthreaded ? (((din)->_flags & 0x0040) != 0) : (ferror )(din))) { |
1183 | if (serrno != EPIPE32) |
1184 | warnc(serrno, "netin"); |
1185 | bytes = -1; |
1186 | } |
1187 | if (ferror(fout)(!__isthreaded ? (((fout)->_flags & 0x0040) != 0) : (ferror )(fout))) |
1188 | warnc(serrno, "local: %s", local); |
1189 | break; |
1190 | } |
1191 | progressmeter(1, NULL((void *)0)); |
1192 | progress = oprogress; |
1193 | preserve = opreserve; |
1194 | if (closefunc != NULL((void *)0)) |
1195 | (*closefunc)(fout); |
1196 | (void)signal(SIGINT2, oldintr); |
1197 | (void)signal(SIGINFO29, oldinti); |
1198 | if (oldintp) |
1199 | (void)signal(SIGPIPE13, oldintp); |
1200 | (void)fclose(din); |
1201 | (void)getreply(0); |
1202 | may_receive_noop_ack(); |
1203 | if (bytes >= 0 && is_retr) { |
1204 | if (bytes > 0) |
1205 | ptransfer(0); |
1206 | if (preserve && (closefunc == fclose)) { |
1207 | mtime = remotemodtime(remote, 0); |
1208 | if (mtime != -1) { |
1209 | struct timespec times[2]; |
1210 | |
1211 | times[0].tv_nsec = UTIME_OMIT-1L; |
1212 | times[1].tv_sec = mtime; |
1213 | times[1].tv_nsec = 0; |
1214 | if (utimensat(AT_FDCWD-100, local, times, 0) == -1) |
1215 | fprintf(ttyout, |
1216 | "Can't change modification time on %s to %s", |
1217 | local, asctime(localtime(&mtime))); |
1218 | } |
1219 | } |
1220 | } |
1221 | return; |
1222 | |
1223 | abort: |
1224 | /* abort using RFC959 recommended IP,SYNC sequence */ |
1225 | progress = oprogress; |
1226 | preserve = opreserve; |
1227 | if (oldintp) |
1228 | (void)signal(SIGPIPE13, oldintp); |
1229 | (void)signal(SIGINT2, SIG_IGN(void (*)(int))1); |
1230 | if (!cpend) { |
1231 | code = -1; |
1232 | (void)signal(SIGINT2, oldintr); |
1233 | (void)signal(SIGINFO29, oldinti); |
1234 | return; |
1235 | } |
1236 | |
1237 | abort_remote(din); |
1238 | code = -1; |
1239 | if (data >= 0) { |
1240 | (void)close(data); |
1241 | data = -1; |
1242 | } |
1243 | if (closefunc != NULL((void *)0) && fout != NULL((void *)0)) |
1244 | (*closefunc)(fout); |
1245 | if (din) |
1246 | (void)fclose(din); |
1247 | if (bytes > 0) |
1248 | ptransfer(0); |
1249 | (void)signal(SIGINT2, oldintr); |
1250 | (void)signal(SIGINFO29, oldinti); |
1251 | } |
1252 | |
1253 | /* |
1254 | * Need to start a listen on the data channel before we send the command, |
1255 | * otherwise the server's connect may fail. |
1256 | */ |
1257 | int |
1258 | initconn(void) |
1259 | { |
1260 | char *p, *a; |
1261 | int result = ERROR5, tmpno = 0; |
1262 | int on = 1; |
1263 | int error; |
1264 | u_int addr[16], port[2]; |
1265 | u_int af, hal, pal; |
1266 | char *pasvcmd = NULL((void *)0); |
1267 | socklen_t namelen; |
1268 | #ifndef SMALL |
1269 | struct addrinfo *ares; |
1270 | #endif |
1271 | |
1272 | if (myctladdr.sa.sa_family == AF_INET624 |
1273 | && (IN6_IS_ADDR_LINKLOCAL(&myctladdr.sin6.sin6_addr)(((&myctladdr.sin6.sin6_addr)->__u6_addr.__u6_addr8[0] == 0xfe) && (((&myctladdr.sin6.sin6_addr)->__u6_addr .__u6_addr8[1] & 0xc0) == 0x80)) |
1274 | || IN6_IS_ADDR_SITELOCAL(&myctladdr.sin6.sin6_addr)(((&myctladdr.sin6.sin6_addr)->__u6_addr.__u6_addr8[0] == 0xfe) && (((&myctladdr.sin6.sin6_addr)->__u6_addr .__u6_addr8[1] & 0xc0) == 0xc0)))) { |
1275 | warnx("use of scoped address can be troublesome"); |
1276 | } |
1277 | #ifndef SMALL |
1278 | if (srcaddr) { |
1279 | struct addrinfo ahints; |
1280 | |
1281 | memset(&ahints, 0, sizeof(ahints)); |
1282 | ahints.ai_family = family; |
1283 | ahints.ai_socktype = SOCK_STREAM1; |
1284 | ahints.ai_flags |= AI_NUMERICHOST4; |
1285 | ahints.ai_protocol = 0; |
1286 | |
1287 | error = getaddrinfo(srcaddr, NULL((void *)0), &ahints, &ares); |
1288 | if (error) { |
1289 | warnx("%s: %s", srcaddr, gai_strerror(error)); |
1290 | code = -1; |
1291 | return (0); |
1292 | } |
1293 | } |
1294 | #endif /* !SMALL */ |
1295 | reinit: |
1296 | if (passivemode) { |
1297 | data_addr = myctladdr; |
1298 | data = socket(data_addr.sa.sa_family, SOCK_STREAM1, 0); |
1299 | if (data == -1) { |
1300 | warn("socket"); |
1301 | return (1); |
1302 | } |
1303 | #ifndef SMALL |
1304 | if (srcaddr) { |
1305 | if (bind(data, ares->ai_addr, ares->ai_addrlen) == -1) { |
1306 | warn("bind"); |
1307 | close(data); |
1308 | return (1); |
1309 | } |
1310 | } |
1311 | if ((options & SO_DEBUG0x0001) && |
1312 | setsockopt(data, SOL_SOCKET0xffff, SO_DEBUG0x0001, (char *)&on, |
1313 | sizeof(on)) == -1) |
1314 | warn("setsockopt (ignored)"); |
1315 | #endif /* !SMALL */ |
1316 | switch (data_addr.sa.sa_family) { |
1317 | case AF_INET2: |
1318 | if (epsv4 && !epsv4bad) { |
1319 | int ov; |
1320 | /* shut this command up in case it fails */ |
1321 | ov = verbose; |
1322 | verbose = -1; |
1323 | result = command(pasvcmd = "EPSV"); |
1324 | /* |
1325 | * now back to whatever verbosity we had before |
1326 | * and we can try PASV |
1327 | */ |
1328 | verbose = ov; |
1329 | if (code / 10 == 22 && code != 229) { |
1330 | fputs( |
1331 | "wrong server: return code must be 229\n", |
1332 | ttyout); |
1333 | result = COMPLETE2 + 1; |
1334 | } |
1335 | if (result != COMPLETE2) { |
1336 | epsv4bad = 1; |
1337 | #ifndef SMALL |
1338 | if (debug) { |
1339 | fputs( |
1340 | "disabling epsv4 for this connection\n", |
1341 | ttyout); |
1342 | } |
1343 | #endif /* !SMALL */ |
1344 | } |
1345 | } |
1346 | if (result != COMPLETE2) |
1347 | result = command(pasvcmd = "PASV"); |
1348 | break; |
1349 | case AF_INET624: |
1350 | result = command(pasvcmd = "EPSV"); |
1351 | if (code / 10 == 22 && code != 229) { |
1352 | fputs( |
1353 | "wrong server: return code must be 229\n", |
1354 | ttyout); |
1355 | result = COMPLETE2 + 1; |
1356 | } |
1357 | if (result != COMPLETE2) |
1358 | result = command(pasvcmd = "LPSV"); |
1359 | break; |
1360 | default: |
1361 | result = COMPLETE2 + 1; |
1362 | break; |
1363 | } |
1364 | if (result != COMPLETE2) { |
1365 | if (activefallback) { |
1366 | (void)close(data); |
1367 | data = -1; |
1368 | passivemode = 0; |
1369 | activefallback = 0; |
1370 | goto reinit; |
1371 | } |
1372 | fputs("Passive mode refused.\n", ttyout); |
1373 | goto bad; |
1374 | } |
1375 | |
1376 | #define pack2(var, off)(((var[(off) + 0] & 0xff) << 8) | ((var[(off) + 1] & 0xff) << 0)) \ |
1377 | (((var[(off) + 0] & 0xff) << 8) | ((var[(off) + 1] & 0xff) << 0)) |
1378 | #define pack4(var, off)(((var[(off) + 0] & 0xff) << 24) | ((var[(off) + 1] & 0xff) << 16) | ((var[(off) + 2] & 0xff) << 8) | ((var[(off) + 3] & 0xff) << 0)) \ |
1379 | (((var[(off) + 0] & 0xff) << 24) | ((var[(off) + 1] & 0xff) << 16) | \ |
1380 | ((var[(off) + 2] & 0xff) << 8) | ((var[(off) + 3] & 0xff) << 0)) |
1381 | |
1382 | /* |
1383 | * What we've got at this point is a string of comma separated |
1384 | * one-byte unsigned integer values, separated by commas. |
1385 | */ |
1386 | if (!pasvcmd) |
1387 | goto bad; |
1388 | if (strcmp(pasvcmd, "PASV") == 0) { |
1389 | if (data_addr.sa.sa_family != AF_INET2) { |
1390 | fputs( |
1391 | "Passive mode AF mismatch. Shouldn't happen!\n", ttyout); |
1392 | goto bad; |
1393 | } |
1394 | if (code / 10 == 22 && code != 227) { |
1395 | fputs("wrong server: return code must be 227\n", |
1396 | ttyout); |
1397 | goto bad; |
1398 | } |
1399 | error = sscanf(pasv, "%u,%u,%u,%u,%u,%u", |
1400 | &addr[0], &addr[1], &addr[2], &addr[3], |
1401 | &port[0], &port[1]); |
1402 | if (error != 6) { |
1403 | fputs( |
1404 | "Passive mode address scan failure. Shouldn't happen!\n", ttyout); |
1405 | goto bad; |
1406 | } |
1407 | memset(&data_addr, 0, sizeof(data_addr)); |
1408 | data_addr.sin.sin_family = AF_INET2; |
1409 | data_addr.sin.sin_len = sizeof(struct sockaddr_in); |
1410 | data_addr.sin.sin_addr.s_addr = |
1411 | htonl(pack4(addr, 0))(__uint32_t)(__builtin_constant_p((((addr[(0) + 0] & 0xff ) << 24) | ((addr[(0) + 1] & 0xff) << 16) | ( (addr[(0) + 2] & 0xff) << 8) | ((addr[(0) + 3] & 0xff) << 0))) ? (__uint32_t)(((__uint32_t)((((addr[(0) + 0] & 0xff) << 24) | ((addr[(0) + 1] & 0xff) << 16) | ((addr[(0) + 2] & 0xff) << 8) | ((addr[(0) + 3] & 0xff) << 0))) & 0xff) << 24 | ((__uint32_t )((((addr[(0) + 0] & 0xff) << 24) | ((addr[(0) + 1] & 0xff) << 16) | ((addr[(0) + 2] & 0xff) << 8) | ((addr[(0) + 3] & 0xff) << 0))) & 0xff00) << 8 | ((__uint32_t)((((addr[(0) + 0] & 0xff) << 24) | ((addr[(0) + 1] & 0xff) << 16) | ((addr[(0) + 2] & 0xff) << 8) | ((addr[(0) + 3] & 0xff) << 0))) & 0xff0000) >> 8 | ((__uint32_t)((((addr[(0) + 0] & 0xff) << 24) | ((addr[(0) + 1] & 0xff) << 16) | ((addr[(0) + 2] & 0xff) << 8) | ((addr[(0) + 3] & 0xff) << 0))) & 0xff000000) >> 24) : __swap32md((((addr[(0) + 0] & 0xff) << 24) | ((addr [(0) + 1] & 0xff) << 16) | ((addr[(0) + 2] & 0xff ) << 8) | ((addr[(0) + 3] & 0xff) << 0)))); |
1412 | data_addr.sin.sin_port = htons(pack2(port, 0))(__uint16_t)(__builtin_constant_p((((port[(0) + 0] & 0xff ) << 8) | ((port[(0) + 1] & 0xff) << 0))) ? ( __uint16_t)(((__uint16_t)((((port[(0) + 0] & 0xff) << 8) | ((port[(0) + 1] & 0xff) << 0))) & 0xffU) << 8 | ((__uint16_t)((((port[(0) + 0] & 0xff) << 8) | ((port[(0) + 1] & 0xff) << 0))) & 0xff00U) >> 8) : __swap16md((((port[(0) + 0] & 0xff) << 8) | ( (port[(0) + 1] & 0xff) << 0)))); |
1413 | } else if (strcmp(pasvcmd, "LPSV") == 0) { |
1414 | if (code / 10 == 22 && code != 228) { |
1415 | fputs("wrong server: return code must be 228\n", |
1416 | ttyout); |
1417 | goto bad; |
1418 | } |
1419 | switch (data_addr.sa.sa_family) { |
1420 | case AF_INET2: |
1421 | error = sscanf(pasv, |
1422 | "%u,%u,%u,%u,%u,%u,%u,%u,%u", |
1423 | &af, &hal, |
1424 | &addr[0], &addr[1], &addr[2], &addr[3], |
1425 | &pal, &port[0], &port[1]); |
1426 | if (error != 9) { |
1427 | fputs( |
1428 | "Passive mode address scan failure. Shouldn't happen!\n", ttyout); |
1429 | goto bad; |
1430 | } |
1431 | if (af != 4 || hal != 4 || pal != 2) { |
1432 | fputs( |
1433 | "Passive mode AF mismatch. Shouldn't happen!\n", ttyout); |
1434 | error = 1; |
Value stored to 'error' is never read | |
1435 | goto bad; |
1436 | } |
1437 | |
1438 | memset(&data_addr, 0, sizeof(data_addr)); |
1439 | data_addr.sin.sin_family = AF_INET2; |
1440 | data_addr.sin.sin_len = sizeof(struct sockaddr_in); |
1441 | data_addr.sin.sin_addr.s_addr = |
1442 | htonl(pack4(addr, 0))(__uint32_t)(__builtin_constant_p((((addr[(0) + 0] & 0xff ) << 24) | ((addr[(0) + 1] & 0xff) << 16) | ( (addr[(0) + 2] & 0xff) << 8) | ((addr[(0) + 3] & 0xff) << 0))) ? (__uint32_t)(((__uint32_t)((((addr[(0) + 0] & 0xff) << 24) | ((addr[(0) + 1] & 0xff) << 16) | ((addr[(0) + 2] & 0xff) << 8) | ((addr[(0) + 3] & 0xff) << 0))) & 0xff) << 24 | ((__uint32_t )((((addr[(0) + 0] & 0xff) << 24) | ((addr[(0) + 1] & 0xff) << 16) | ((addr[(0) + 2] & 0xff) << 8) | ((addr[(0) + 3] & 0xff) << 0))) & 0xff00) << 8 | ((__uint32_t)((((addr[(0) + 0] & 0xff) << 24) | ((addr[(0) + 1] & 0xff) << 16) | ((addr[(0) + 2] & 0xff) << 8) | ((addr[(0) + 3] & 0xff) << 0))) & 0xff0000) >> 8 | ((__uint32_t)((((addr[(0) + 0] & 0xff) << 24) | ((addr[(0) + 1] & 0xff) << 16) | ((addr[(0) + 2] & 0xff) << 8) | ((addr[(0) + 3] & 0xff) << 0))) & 0xff000000) >> 24) : __swap32md((((addr[(0) + 0] & 0xff) << 24) | ((addr [(0) + 1] & 0xff) << 16) | ((addr[(0) + 2] & 0xff ) << 8) | ((addr[(0) + 3] & 0xff) << 0)))); |
1443 | data_addr.sin.sin_port = htons(pack2(port, 0))(__uint16_t)(__builtin_constant_p((((port[(0) + 0] & 0xff ) << 8) | ((port[(0) + 1] & 0xff) << 0))) ? ( __uint16_t)(((__uint16_t)((((port[(0) + 0] & 0xff) << 8) | ((port[(0) + 1] & 0xff) << 0))) & 0xffU) << 8 | ((__uint16_t)((((port[(0) + 0] & 0xff) << 8) | ((port[(0) + 1] & 0xff) << 0))) & 0xff00U) >> 8) : __swap16md((((port[(0) + 0] & 0xff) << 8) | ( (port[(0) + 1] & 0xff) << 0)))); |
1444 | break; |
1445 | case AF_INET624: |
1446 | error = sscanf(pasv, |
1447 | "%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u", |
1448 | &af, &hal, |
1449 | &addr[0], &addr[1], &addr[2], &addr[3], |
1450 | &addr[4], &addr[5], &addr[6], &addr[7], |
1451 | &addr[8], &addr[9], &addr[10], |
1452 | &addr[11], &addr[12], &addr[13], |
1453 | &addr[14], &addr[15], |
1454 | &pal, &port[0], &port[1]); |
1455 | if (error != 21) { |
1456 | fputs( |
1457 | "Passive mode address scan failure. Shouldn't happen!\n", ttyout); |
1458 | goto bad; |
1459 | } |
1460 | if (af != 6 || hal != 16 || pal != 2) { |
1461 | fputs( |
1462 | "Passive mode AF mismatch. Shouldn't happen!\n", ttyout); |
1463 | goto bad; |
1464 | } |
1465 | |
1466 | memset(&data_addr, 0, sizeof(data_addr)); |
1467 | data_addr.sin6.sin6_family = AF_INET624; |
1468 | data_addr.sin6.sin6_len = sizeof(struct sockaddr_in6); |
1469 | { |
1470 | u_int32_t *p32; |
1471 | p32 = (u_int32_t *)&data_addr.sin6.sin6_addr; |
1472 | p32[0] = htonl(pack4(addr, 0))(__uint32_t)(__builtin_constant_p((((addr[(0) + 0] & 0xff ) << 24) | ((addr[(0) + 1] & 0xff) << 16) | ( (addr[(0) + 2] & 0xff) << 8) | ((addr[(0) + 3] & 0xff) << 0))) ? (__uint32_t)(((__uint32_t)((((addr[(0) + 0] & 0xff) << 24) | ((addr[(0) + 1] & 0xff) << 16) | ((addr[(0) + 2] & 0xff) << 8) | ((addr[(0) + 3] & 0xff) << 0))) & 0xff) << 24 | ((__uint32_t )((((addr[(0) + 0] & 0xff) << 24) | ((addr[(0) + 1] & 0xff) << 16) | ((addr[(0) + 2] & 0xff) << 8) | ((addr[(0) + 3] & 0xff) << 0))) & 0xff00) << 8 | ((__uint32_t)((((addr[(0) + 0] & 0xff) << 24) | ((addr[(0) + 1] & 0xff) << 16) | ((addr[(0) + 2] & 0xff) << 8) | ((addr[(0) + 3] & 0xff) << 0))) & 0xff0000) >> 8 | ((__uint32_t)((((addr[(0) + 0] & 0xff) << 24) | ((addr[(0) + 1] & 0xff) << 16) | ((addr[(0) + 2] & 0xff) << 8) | ((addr[(0) + 3] & 0xff) << 0))) & 0xff000000) >> 24) : __swap32md((((addr[(0) + 0] & 0xff) << 24) | ((addr [(0) + 1] & 0xff) << 16) | ((addr[(0) + 2] & 0xff ) << 8) | ((addr[(0) + 3] & 0xff) << 0)))); |
1473 | p32[1] = htonl(pack4(addr, 4))(__uint32_t)(__builtin_constant_p((((addr[(4) + 0] & 0xff ) << 24) | ((addr[(4) + 1] & 0xff) << 16) | ( (addr[(4) + 2] & 0xff) << 8) | ((addr[(4) + 3] & 0xff) << 0))) ? (__uint32_t)(((__uint32_t)((((addr[(4) + 0] & 0xff) << 24) | ((addr[(4) + 1] & 0xff) << 16) | ((addr[(4) + 2] & 0xff) << 8) | ((addr[(4) + 3] & 0xff) << 0))) & 0xff) << 24 | ((__uint32_t )((((addr[(4) + 0] & 0xff) << 24) | ((addr[(4) + 1] & 0xff) << 16) | ((addr[(4) + 2] & 0xff) << 8) | ((addr[(4) + 3] & 0xff) << 0))) & 0xff00) << 8 | ((__uint32_t)((((addr[(4) + 0] & 0xff) << 24) | ((addr[(4) + 1] & 0xff) << 16) | ((addr[(4) + 2] & 0xff) << 8) | ((addr[(4) + 3] & 0xff) << 0))) & 0xff0000) >> 8 | ((__uint32_t)((((addr[(4) + 0] & 0xff) << 24) | ((addr[(4) + 1] & 0xff) << 16) | ((addr[(4) + 2] & 0xff) << 8) | ((addr[(4) + 3] & 0xff) << 0))) & 0xff000000) >> 24) : __swap32md((((addr[(4) + 0] & 0xff) << 24) | ((addr [(4) + 1] & 0xff) << 16) | ((addr[(4) + 2] & 0xff ) << 8) | ((addr[(4) + 3] & 0xff) << 0)))); |
1474 | p32[2] = htonl(pack4(addr, 8))(__uint32_t)(__builtin_constant_p((((addr[(8) + 0] & 0xff ) << 24) | ((addr[(8) + 1] & 0xff) << 16) | ( (addr[(8) + 2] & 0xff) << 8) | ((addr[(8) + 3] & 0xff) << 0))) ? (__uint32_t)(((__uint32_t)((((addr[(8) + 0] & 0xff) << 24) | ((addr[(8) + 1] & 0xff) << 16) | ((addr[(8) + 2] & 0xff) << 8) | ((addr[(8) + 3] & 0xff) << 0))) & 0xff) << 24 | ((__uint32_t )((((addr[(8) + 0] & 0xff) << 24) | ((addr[(8) + 1] & 0xff) << 16) | ((addr[(8) + 2] & 0xff) << 8) | ((addr[(8) + 3] & 0xff) << 0))) & 0xff00) << 8 | ((__uint32_t)((((addr[(8) + 0] & 0xff) << 24) | ((addr[(8) + 1] & 0xff) << 16) | ((addr[(8) + 2] & 0xff) << 8) | ((addr[(8) + 3] & 0xff) << 0))) & 0xff0000) >> 8 | ((__uint32_t)((((addr[(8) + 0] & 0xff) << 24) | ((addr[(8) + 1] & 0xff) << 16) | ((addr[(8) + 2] & 0xff) << 8) | ((addr[(8) + 3] & 0xff) << 0))) & 0xff000000) >> 24) : __swap32md((((addr[(8) + 0] & 0xff) << 24) | ((addr [(8) + 1] & 0xff) << 16) | ((addr[(8) + 2] & 0xff ) << 8) | ((addr[(8) + 3] & 0xff) << 0)))); |
1475 | p32[3] = htonl(pack4(addr, 12))(__uint32_t)(__builtin_constant_p((((addr[(12) + 0] & 0xff ) << 24) | ((addr[(12) + 1] & 0xff) << 16) | ( (addr[(12) + 2] & 0xff) << 8) | ((addr[(12) + 3] & 0xff) << 0))) ? (__uint32_t)(((__uint32_t)((((addr[(12 ) + 0] & 0xff) << 24) | ((addr[(12) + 1] & 0xff ) << 16) | ((addr[(12) + 2] & 0xff) << 8) | ( (addr[(12) + 3] & 0xff) << 0))) & 0xff) << 24 | ((__uint32_t)((((addr[(12) + 0] & 0xff) << 24 ) | ((addr[(12) + 1] & 0xff) << 16) | ((addr[(12) + 2] & 0xff) << 8) | ((addr[(12) + 3] & 0xff) << 0))) & 0xff00) << 8 | ((__uint32_t)((((addr[(12) + 0] & 0xff) << 24) | ((addr[(12) + 1] & 0xff) << 16) | ((addr[(12) + 2] & 0xff) << 8) | ((addr[(12) + 3] & 0xff) << 0))) & 0xff0000) >> 8 | ( (__uint32_t)((((addr[(12) + 0] & 0xff) << 24) | ((addr [(12) + 1] & 0xff) << 16) | ((addr[(12) + 2] & 0xff ) << 8) | ((addr[(12) + 3] & 0xff) << 0))) & 0xff000000) >> 24) : __swap32md((((addr[(12) + 0] & 0xff) << 24) | ((addr[(12) + 1] & 0xff) << 16 ) | ((addr[(12) + 2] & 0xff) << 8) | ((addr[(12) + 3 ] & 0xff) << 0)))); |
1476 | } |
1477 | data_addr.sin6.sin6_port = htons(pack2(port, 0))(__uint16_t)(__builtin_constant_p((((port[(0) + 0] & 0xff ) << 8) | ((port[(0) + 1] & 0xff) << 0))) ? ( __uint16_t)(((__uint16_t)((((port[(0) + 0] & 0xff) << 8) | ((port[(0) + 1] & 0xff) << 0))) & 0xffU) << 8 | ((__uint16_t)((((port[(0) + 0] & 0xff) << 8) | ((port[(0) + 1] & 0xff) << 0))) & 0xff00U) >> 8) : __swap16md((((port[(0) + 0] & 0xff) << 8) | ( (port[(0) + 1] & 0xff) << 0)))); |
1478 | break; |
1479 | default: |
1480 | fputs("Bad family!\n", ttyout); |
1481 | goto bad; |
1482 | } |
1483 | } else if (strcmp(pasvcmd, "EPSV") == 0) { |
1484 | char delim[4]; |
1485 | |
1486 | port[0] = 0; |
1487 | if (code / 10 == 22 && code != 229) { |
1488 | fputs("wrong server: return code must be 229\n", |
1489 | ttyout); |
1490 | goto bad; |
1491 | } |
1492 | if (sscanf(pasv, "%c%c%c%d%c", &delim[0], |
1493 | &delim[1], &delim[2], &port[1], |
1494 | &delim[3]) != 5) { |
1495 | fputs("parse error!\n", ttyout); |
1496 | goto bad; |
1497 | } |
1498 | if (delim[0] != delim[1] || delim[0] != delim[2] |
1499 | || delim[0] != delim[3]) { |
1500 | fputs("parse error!\n", ttyout); |
1501 | goto bad; |
1502 | } |
1503 | data_addr = hisctladdr; |
1504 | data_addr.sin.sin_port = htons(port[1])(__uint16_t)(__builtin_constant_p(port[1]) ? (__uint16_t)(((__uint16_t )(port[1]) & 0xffU) << 8 | ((__uint16_t)(port[1]) & 0xff00U) >> 8) : __swap16md(port[1])); |
1505 | } else |
1506 | goto bad; |
1507 | |
1508 | error = timed_connect(data, &data_addr.sa, data_addr.sa.sa_len, |
1509 | connect_timeout); |
1510 | if (error != 0) { |
1511 | if (activefallback) { |
1512 | (void)close(data); |
1513 | data = -1; |
1514 | passivemode = 0; |
1515 | activefallback = 0; |
1516 | goto reinit; |
1517 | } |
1518 | warn("connect"); |
1519 | goto bad; |
1520 | } |
1521 | if (data_addr.sa.sa_family == AF_INET2) { |
1522 | on = IPTOS_THROUGHPUT0x08; |
1523 | if (setsockopt(data, IPPROTO_IP0, IP_TOS3, (char *)&on, |
1524 | sizeof(int)) == -1) |
1525 | warn("setsockopt TOS (ignored)"); |
1526 | } |
1527 | return (0); |
1528 | } |
1529 | |
1530 | noport: |
1531 | data_addr = myctladdr; |
1532 | if (sendport) |
1533 | data_addr.sin.sin_port = 0; /* let system pick one */ |
1534 | if (data != -1) |
1535 | (void)close(data); |
1536 | data = socket(data_addr.sa.sa_family, SOCK_STREAM1, 0); |
1537 | if (data == -1) { |
1538 | warn("socket"); |
1539 | if (tmpno) |
1540 | sendport = 1; |
1541 | return (1); |
1542 | } |
1543 | if (!sendport) |
1544 | if (setsockopt(data, SOL_SOCKET0xffff, SO_REUSEADDR0x0004, (char *)&on, |
1545 | sizeof(on)) == -1) { |
1546 | warn("setsockopt (reuse address)"); |
1547 | goto bad; |
1548 | } |
1549 | switch (data_addr.sa.sa_family) { |
1550 | case AF_INET2: |
1551 | on = IP_PORTRANGE_HIGH1; |
1552 | if (setsockopt(data, IPPROTO_IP0, IP_PORTRANGE19, |
1553 | (char *)&on, sizeof(on)) == -1) |
1554 | warn("setsockopt IP_PORTRANGE (ignored)"); |
1555 | break; |
1556 | case AF_INET624: |
1557 | on = IPV6_PORTRANGE_HIGH1; |
1558 | if (setsockopt(data, IPPROTO_IPV641, IPV6_PORTRANGE14, |
1559 | (char *)&on, sizeof(on)) == -1) |
1560 | warn("setsockopt IPV6_PORTRANGE (ignored)"); |
1561 | break; |
1562 | } |
1563 | if (bind(data, &data_addr.sa, data_addr.sa.sa_len) == -1) { |
1564 | warn("bind"); |
1565 | goto bad; |
1566 | } |
1567 | #ifndef SMALL |
1568 | if (options & SO_DEBUG0x0001 && |
1569 | setsockopt(data, SOL_SOCKET0xffff, SO_DEBUG0x0001, (char *)&on, |
1570 | sizeof(on)) == -1) |
1571 | warn("setsockopt (ignored)"); |
1572 | #endif /* !SMALL */ |
1573 | namelen = sizeof(data_addr); |
1574 | if (getsockname(data, &data_addr.sa, &namelen) == -1) { |
1575 | warn("getsockname"); |
1576 | goto bad; |
1577 | } |
1578 | if (listen(data, 1) == -1) |
1579 | warn("listen"); |
1580 | |
1581 | #define UC(b)(((int)b)&0xff) (((int)b)&0xff) |
1582 | |
1583 | if (sendport) { |
1584 | char hname[NI_MAXHOST256], pbuf[NI_MAXSERV32]; |
1585 | int af_tmp; |
1586 | union sockaddr_union tmp; |
1587 | |
1588 | tmp = data_addr; |
1589 | switch (tmp.sa.sa_family) { |
1590 | case AF_INET2: |
1591 | if (!epsv4 || epsv4bad) { |
1592 | result = COMPLETE2 +1; |
1593 | break; |
1594 | } |
1595 | /*FALLTHROUGH*/ |
1596 | case AF_INET624: |
1597 | if (tmp.sa.sa_family == AF_INET624) |
1598 | tmp.sin6.sin6_scope_id = 0; |
1599 | af_tmp = (tmp.sa.sa_family == AF_INET2) ? 1 : 2; |
1600 | if (getnameinfo(&tmp.sa, tmp.sa.sa_len, hname, |
1601 | sizeof(hname), pbuf, sizeof(pbuf), |
1602 | NI_NUMERICHOST1 | NI_NUMERICSERV2)) { |
1603 | result = ERROR5; |
1604 | } else { |
1605 | result = command("EPRT |%d|%s|%s|", |
1606 | af_tmp, hname, pbuf); |
1607 | if (result != COMPLETE2) { |
1608 | epsv4bad = 1; |
1609 | #ifndef SMALL |
1610 | if (debug) { |
1611 | fputs( |
1612 | "disabling epsv4 for this connection\n", |
1613 | ttyout); |
1614 | } |
1615 | #endif /* !SMALL */ |
1616 | } |
1617 | } |
1618 | break; |
1619 | default: |
1620 | result = COMPLETE2 + 1; |
1621 | break; |
1622 | } |
1623 | if (result == COMPLETE2) |
1624 | goto skip_port; |
1625 | |
1626 | switch (data_addr.sa.sa_family) { |
1627 | case AF_INET2: |
1628 | a = (char *)&data_addr.sin.sin_addr; |
1629 | p = (char *)&data_addr.sin.sin_port; |
1630 | result = command("PORT %d,%d,%d,%d,%d,%d", |
1631 | UC(a[0])(((int)a[0])&0xff), UC(a[1])(((int)a[1])&0xff), UC(a[2])(((int)a[2])&0xff), UC(a[3])(((int)a[3])&0xff), |
1632 | UC(p[0])(((int)p[0])&0xff), UC(p[1])(((int)p[1])&0xff)); |
1633 | break; |
1634 | case AF_INET624: |
1635 | a = (char *)&data_addr.sin6.sin6_addr; |
1636 | p = (char *)&data_addr.sin6.sin6_port; |
1637 | result = command( |
1638 | "LPRT %d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d", |
1639 | 6, 16, |
1640 | UC(a[0])(((int)a[0])&0xff),UC(a[1])(((int)a[1])&0xff),UC(a[2])(((int)a[2])&0xff),UC(a[3])(((int)a[3])&0xff), |
1641 | UC(a[4])(((int)a[4])&0xff),UC(a[5])(((int)a[5])&0xff),UC(a[6])(((int)a[6])&0xff),UC(a[7])(((int)a[7])&0xff), |
1642 | UC(a[8])(((int)a[8])&0xff),UC(a[9])(((int)a[9])&0xff),UC(a[10])(((int)a[10])&0xff),UC(a[11])(((int)a[11])&0xff), |
1643 | UC(a[12])(((int)a[12])&0xff),UC(a[13])(((int)a[13])&0xff),UC(a[14])(((int)a[14])&0xff),UC(a[15])(((int)a[15])&0xff), |
1644 | 2, UC(p[0])(((int)p[0])&0xff), UC(p[1])(((int)p[1])&0xff)); |
1645 | break; |
1646 | default: |
1647 | result = COMPLETE2 + 1; /* xxx */ |
1648 | } |
1649 | skip_port: |
1650 | |
1651 | if (result == ERROR5 && sendport == -1) { |
1652 | sendport = 0; |
1653 | tmpno = 1; |
1654 | goto noport; |
1655 | } |
1656 | return (result != COMPLETE2); |
1657 | } |
1658 | if (tmpno) |
1659 | sendport = 1; |
1660 | if (data_addr.sa.sa_family == AF_INET2) { |
1661 | on = IPTOS_THROUGHPUT0x08; |
1662 | if (setsockopt(data, IPPROTO_IP0, IP_TOS3, (char *)&on, |
1663 | sizeof(int)) == -1) |
1664 | warn("setsockopt TOS (ignored)"); |
1665 | } |
1666 | return (0); |
1667 | bad: |
1668 | (void)close(data), data = -1; |
1669 | if (tmpno) |
1670 | sendport = 1; |
1671 | return (1); |
1672 | } |
1673 | |
1674 | FILE * |
1675 | dataconn(const char *lmode) |
1676 | { |
1677 | union sockaddr_union from; |
1678 | socklen_t fromlen = myctladdr.sa.sa_len; |
1679 | int s; |
1680 | |
1681 | if (passivemode) |
1682 | return (fdopen(data, lmode)); |
1683 | |
1684 | s = accept(data, &from.sa, &fromlen); |
1685 | if (s == -1) { |
1686 | warn("accept"); |
1687 | (void)close(data), data = -1; |
1688 | return (NULL((void *)0)); |
1689 | } |
1690 | (void)close(data); |
1691 | data = s; |
1692 | if (from.sa.sa_family == AF_INET2) { |
1693 | int tos = IPTOS_THROUGHPUT0x08; |
1694 | if (setsockopt(s, IPPROTO_IP0, IP_TOS3, (char *)&tos, |
1695 | sizeof(int)) == -1) { |
1696 | warn("setsockopt TOS (ignored)"); |
1697 | } |
1698 | } |
1699 | return (fdopen(data, lmode)); |
1700 | } |
1701 | |
1702 | void |
1703 | psummary(int signo) |
1704 | { |
1705 | int save_errno = errno(*__errno()); |
1706 | |
1707 | if (bytes > 0) |
1708 | ptransfer(1); |
1709 | errno(*__errno()) = save_errno; |
1710 | } |
1711 | |
1712 | void |
1713 | psabort(int signo) |
1714 | { |
1715 | |
1716 | alarmtimer(0); |
1717 | abrtflag++; |
1718 | } |
1719 | |
1720 | void |
1721 | pswitch(int flag) |
1722 | { |
1723 | sig_t oldintr; |
1724 | static struct comvars { |
1725 | int connect; |
1726 | char name[HOST_NAME_MAX255+1]; |
1727 | union sockaddr_union mctl; |
1728 | union sockaddr_union hctl; |
1729 | FILE *in; |
1730 | FILE *out; |
1731 | int tpe; |
1732 | int curtpe; |
1733 | int cpnd; |
1734 | int sunqe; |
1735 | int runqe; |
1736 | int mcse; |
1737 | int ntflg; |
1738 | char nti[17]; |
1739 | char nto[17]; |
1740 | int mapflg; |
1741 | char mi[PATH_MAX1024]; |
1742 | char mo[PATH_MAX1024]; |
1743 | } proxstruct, tmpstruct; |
1744 | struct comvars *ip, *op; |
1745 | |
1746 | abrtflag = 0; |
1747 | oldintr = signal(SIGINT2, psabort); |
1748 | if (flag) { |
1749 | if (proxy) |
1750 | return; |
1751 | ip = &tmpstruct; |
1752 | op = &proxstruct; |
1753 | proxy++; |
1754 | } else { |
1755 | if (!proxy) |
1756 | return; |
1757 | ip = &proxstruct; |
1758 | op = &tmpstruct; |
1759 | proxy = 0; |
1760 | } |
1761 | ip->connect = connected; |
1762 | connected = op->connect; |
1763 | if (hostname) { |
1764 | (void)strlcpy(ip->name, hostname, sizeof(ip->name)); |
1765 | } else |
1766 | ip->name[0] = '\0'; |
1767 | hostname = op->name; |
1768 | ip->hctl = hisctladdr; |
1769 | hisctladdr = op->hctl; |
1770 | ip->mctl = myctladdr; |
1771 | myctladdr = op->mctl; |
1772 | ip->in = cin; |
1773 | cin = op->in; |
1774 | ip->out = cout; |
1775 | cout = op->out; |
1776 | ip->tpe = type; |
1777 | type = op->tpe; |
1778 | ip->curtpe = curtype; |
1779 | curtype = op->curtpe; |
1780 | ip->cpnd = cpend; |
1781 | cpend = op->cpnd; |
1782 | ip->sunqe = sunique; |
1783 | sunique = op->sunqe; |
1784 | ip->runqe = runique; |
1785 | runique = op->runqe; |
1786 | ip->mcse = mcase; |
1787 | mcase = op->mcse; |
1788 | ip->ntflg = ntflag; |
1789 | ntflag = op->ntflg; |
1790 | (void)strlcpy(ip->nti, ntin, sizeof(ip->nti)); |
1791 | (void)strlcpy(ntin, op->nti, sizeof ntin); |
1792 | (void)strlcpy(ip->nto, ntout, sizeof(ip->nto)); |
1793 | (void)strlcpy(ntout, op->nto, sizeof ntout); |
1794 | ip->mapflg = mapflag; |
1795 | mapflag = op->mapflg; |
1796 | (void)strlcpy(ip->mi, mapin, sizeof(ip->mi)); |
1797 | (void)strlcpy(mapin, op->mi, sizeof mapin); |
1798 | (void)strlcpy(ip->mo, mapout, sizeof(ip->mo)); |
1799 | (void)strlcpy(mapout, op->mo, sizeof mapout); |
1800 | (void)signal(SIGINT2, oldintr); |
1801 | if (abrtflag) { |
1802 | abrtflag = 0; |
1803 | (*oldintr)(SIGINT2); |
1804 | } |
1805 | } |
1806 | |
1807 | void |
1808 | abortpt(int signo) |
1809 | { |
1810 | |
1811 | alarmtimer(0); |
1812 | putc('\n', ttyout)(!__isthreaded ? __sputc('\n', ttyout) : (putc)('\n', ttyout) ); |
1813 | (void)fflush(ttyout); |
1814 | ptabflg++; |
1815 | mflag = 0; |
1816 | abrtflag = 0; |
1817 | longjmp(ptabort, 1); |
1818 | } |
1819 | |
1820 | void |
1821 | proxtrans(const char *cmd, const char *local, const char *remote) |
1822 | { |
1823 | volatile sig_t oldintr; |
1824 | int prox_type, nfnd; |
1825 | volatile int secndflag; |
1826 | char * volatile cmd2; |
1827 | struct pollfd pfd[1]; |
1828 | |
1829 | oldintr = NULL((void *)0); |
1830 | secndflag = 0; |
1831 | if (strcmp(cmd, "RETR")) |
1832 | cmd2 = "RETR"; |
1833 | else |
1834 | cmd2 = runique ? "STOU" : "STOR"; |
1835 | if ((prox_type = type) == 0) { |
1836 | if (unix_server && unix_proxy) |
1837 | prox_type = TYPE_I3; |
1838 | else |
1839 | prox_type = TYPE_A1; |
1840 | } |
1841 | if (curtype != prox_type) |
1842 | changetype(prox_type, 1); |
1843 | if (command("PASV") != COMPLETE2) { |
1844 | fputs("proxy server does not support third party transfers.\n", |
1845 | ttyout); |
1846 | return; |
1847 | } |
1848 | pswitch(0); |
1849 | if (!connected) { |
1850 | fputs("No primary connection.\n", ttyout); |
1851 | pswitch(1); |
1852 | code = -1; |
1853 | return; |
1854 | } |
1855 | if (curtype != prox_type) |
1856 | changetype(prox_type, 1); |
1857 | if (command("PORT %s", pasv) != COMPLETE2) { |
1858 | pswitch(1); |
1859 | return; |
1860 | } |
1861 | if (setjmp(ptabort)) |
1862 | goto abort; |
1863 | oldintr = signal(SIGINT2, abortpt); |
1864 | if (command("%s %s", cmd, remote) != PRELIM1) { |
1865 | (void)signal(SIGINT2, oldintr); |
1866 | pswitch(1); |
1867 | return; |
1868 | } |
1869 | sleep(2); |
1870 | pswitch(1); |
1871 | secndflag++; |
1872 | if (command("%s %s", cmd2, local) != PRELIM1) |
1873 | goto abort; |
1874 | ptflag++; |
1875 | (void)getreply(0); |
1876 | pswitch(0); |
1877 | (void)getreply(0); |
1878 | (void)signal(SIGINT2, oldintr); |
1879 | pswitch(1); |
1880 | ptflag = 0; |
1881 | fprintf(ttyout, "local: %s remote: %s\n", local, remote); |
1882 | return; |
1883 | abort: |
1884 | (void)signal(SIGINT2, SIG_IGN(void (*)(int))1); |
1885 | ptflag = 0; |
1886 | if (strcmp(cmd, "RETR") && !proxy) |
1887 | pswitch(1); |
1888 | else if (!strcmp(cmd, "RETR") && proxy) |
1889 | pswitch(0); |
1890 | if (!cpend && !secndflag) { /* only here if cmd = "STOR" (proxy=1) */ |
1891 | if (command("%s %s", cmd2, local) != PRELIM1) { |
1892 | pswitch(0); |
1893 | if (cpend) |
1894 | abort_remote(NULL((void *)0)); |
1895 | } |
1896 | pswitch(1); |
1897 | if (ptabflg) |
1898 | code = -1; |
1899 | (void)signal(SIGINT2, oldintr); |
1900 | return; |
1901 | } |
1902 | if (cpend) |
1903 | abort_remote(NULL((void *)0)); |
1904 | pswitch(!proxy); |
1905 | if (!cpend && !secndflag) { /* only if cmd = "RETR" (proxy=1) */ |
1906 | if (command("%s %s", cmd2, local) != PRELIM1) { |
1907 | pswitch(0); |
1908 | if (cpend) |
1909 | abort_remote(NULL((void *)0)); |
1910 | pswitch(1); |
1911 | if (ptabflg) |
1912 | code = -1; |
1913 | (void)signal(SIGINT2, oldintr); |
1914 | return; |
1915 | } |
1916 | } |
1917 | if (cpend) |
1918 | abort_remote(NULL((void *)0)); |
1919 | pswitch(!proxy); |
1920 | if (cpend) { |
1921 | pfd[0].fd = fileno(cin)(!__isthreaded ? ((cin)->_file) : (fileno)(cin)); |
1922 | pfd[0].events = POLLIN0x0001; |
1923 | if ((nfnd = poll(pfd, 1, 10 * 1000)) <= 0) { |
1924 | if (nfnd == -1) |
1925 | warn("abort"); |
1926 | if (ptabflg) |
1927 | code = -1; |
1928 | lostpeer(); |
1929 | } |
1930 | (void)getreply(0); |
1931 | (void)getreply(0); |
1932 | } |
1933 | if (proxy) |
1934 | pswitch(0); |
1935 | pswitch(1); |
1936 | if (ptabflg) |
1937 | code = -1; |
1938 | (void)signal(SIGINT2, oldintr); |
1939 | } |
1940 | |
1941 | #ifndef SMALL |
1942 | void |
1943 | reset(int argc, char *argv[]) |
1944 | { |
1945 | struct pollfd pfd[1]; |
1946 | int nfnd = 1; |
1947 | |
1948 | pfd[0].fd = fileno(cin)(!__isthreaded ? ((cin)->_file) : (fileno)(cin)); |
1949 | pfd[0].events = POLLIN0x0001; |
1950 | while (nfnd > 0) { |
1951 | if ((nfnd = poll(pfd, 1, 0)) == -1) { |
1952 | warn("reset"); |
1953 | code = -1; |
1954 | lostpeer(); |
1955 | } else if (nfnd) { |
1956 | (void)getreply(0); |
1957 | } |
1958 | } |
1959 | } |
1960 | #endif |
1961 | |
1962 | char * |
1963 | gunique(const char *local) |
1964 | { |
1965 | static char new[PATH_MAX1024]; |
1966 | char *cp = strrchr(local, '/'); |
1967 | int d, count=0; |
1968 | char ext = '1'; |
1969 | |
1970 | if (cp) |
1971 | *cp = '\0'; |
1972 | d = access(cp == local ? "/" : cp ? local : ".", W_OK0x02); |
1973 | if (cp) |
1974 | *cp = '/'; |
1975 | if (d == -1) { |
1976 | warn("local: %s", local); |
1977 | return ((char *) 0); |
1978 | } |
1979 | (void)strlcpy(new, local, sizeof new); |
1980 | cp = new + strlen(new); |
1981 | *cp++ = '.'; |
1982 | while (!d) { |
1983 | if (++count == 100) { |
1984 | fputs("runique: can't find unique file name.\n", ttyout); |
1985 | return ((char *) 0); |
1986 | } |
1987 | *cp++ = ext; |
1988 | *cp = '\0'; |
1989 | if (ext == '9') |
1990 | ext = '0'; |
1991 | else |
1992 | ext++; |
1993 | if ((d = access(new, F_OK0)) == -1) |
1994 | break; |
1995 | if (ext != '0') |
1996 | cp--; |
1997 | else if (*(cp - 2) == '.') |
1998 | *(cp - 1) = '1'; |
1999 | else { |
2000 | *(cp - 2) = *(cp - 2) + 1; |
2001 | cp--; |
2002 | } |
2003 | } |
2004 | return (new); |
2005 | } |
2006 | |
2007 | jmp_buf forceabort; |
2008 | |
2009 | static void |
2010 | abortforce(int signo) |
2011 | { |
2012 | int save_errno = errno(*__errno()); |
2013 | |
2014 | #define MSG "Forced abort. The connection will be closed.\n" |
2015 | (void) write(fileno(ttyout)(!__isthreaded ? ((ttyout)->_file) : (fileno)(ttyout)), MSG, strlen(MSG)); |
2016 | #undef MSG |
2017 | |
2018 | errno(*__errno()) = save_errno; |
2019 | longjmp(forceabort, 1); |
2020 | } |
2021 | |
2022 | void |
2023 | abort_remote(FILE *din) |
2024 | { |
2025 | char buf[BUFSIZ1024]; |
2026 | nfds_t nfds; |
2027 | int nfnd; |
2028 | struct pollfd pfd[2]; |
2029 | sig_t oldintr; |
2030 | |
2031 | if (cout == NULL((void *)0) || setjmp(forceabort)) { |
2032 | if (cout) |
2033 | fclose(cout); |
2034 | warnx("Lost control connection for abort."); |
2035 | if (ptabflg) |
2036 | code = -1; |
2037 | lostpeer(); |
2038 | return; |
2039 | } |
2040 | |
2041 | oldintr = signal(SIGINT2, abortforce); |
2042 | |
2043 | /* |
2044 | * send IAC in urgent mode instead of DM because 4.3BSD places oob mark |
2045 | * after urgent byte rather than before as is protocol now |
2046 | */ |
2047 | snprintf(buf, sizeof buf, "%c%c%c", IAC255, IP244, IAC255); |
2048 | if (send(fileno(cout)(!__isthreaded ? ((cout)->_file) : (fileno)(cout)), buf, 3, MSG_OOB0x1) != 3) |
2049 | warn("abort"); |
2050 | fprintf(cout, "%cABOR\r\n", DM242); |
2051 | (void)fflush(cout); |
2052 | pfd[0].fd = fileno(cin)(!__isthreaded ? ((cin)->_file) : (fileno)(cin)); |
2053 | pfd[0].events = POLLIN0x0001; |
2054 | nfds = 1; |
2055 | if (din) { |
2056 | pfd[1].fd = fileno(din)(!__isthreaded ? ((din)->_file) : (fileno)(din)); |
2057 | pfd[1].events = POLLIN0x0001; |
2058 | nfds++; |
2059 | } |
2060 | if ((nfnd = poll(pfd, nfds, 10 * 1000)) <= 0) { |
2061 | if (nfnd == -1) |
2062 | warn("abort"); |
2063 | if (ptabflg) |
2064 | code = -1; |
2065 | lostpeer(); |
2066 | } |
2067 | if (din && (pfd[1].revents & POLLIN0x0001)) { |
2068 | while (read(fileno(din)(!__isthreaded ? ((din)->_file) : (fileno)(din)), buf, BUFSIZ1024) > 0) |
2069 | /* LOOP */; |
2070 | } |
2071 | if (getreply(0) == ERROR5 && code == 552) { |
2072 | /* 552 needed for nic style abort */ |
2073 | (void)getreply(0); |
2074 | } |
2075 | (void)getreply(0); |
2076 | (void)signal(SIGINT2, oldintr); |
2077 | } |