File: | src/usr.bin/ftp/ftp.c |
Warning: | line 251, column 3 1st function call argument is an uninitialized value |
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1 | /* $OpenBSD: ftp.c,v 1.107 2019/11/18 04:37:35 deraadt 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 | for (error = connect(s, res->ai_addr, res->ai_addrlen); | |||
216 | error != 0 && errno(*__errno()) == EINTR4; error = connect_wait(s)) | |||
217 | continue; | |||
218 | if (error
| |||
219 | /* this "if" clause is to prevent print warning twice */ | |||
220 | if (verbose && res->ai_next) { | |||
221 | if (getnameinfo(res->ai_addr, res->ai_addrlen, | |||
222 | hbuf, sizeof(hbuf), NULL((void*)0), 0, | |||
223 | NI_NUMERICHOST1) != 0) | |||
224 | strlcpy(hbuf, "(unknown)", | |||
225 | sizeof(hbuf)); | |||
226 | warn("connect to address %s", hbuf); | |||
227 | } | |||
228 | cause = "connect"; | |||
229 | error = errno(*__errno()); | |||
230 | close(s); | |||
231 | errno(*__errno()) = error; | |||
232 | s = -1; | |||
233 | continue; | |||
234 | } | |||
235 | ||||
236 | /* finally we got one */ | |||
237 | break; | |||
238 | } | |||
239 | if (s == -1) { | |||
240 | warn("%s", cause); | |||
241 | code = -1; | |||
242 | freeaddrinfo(res0); | |||
243 | return 0; | |||
244 | } | |||
245 | memcpy(&hisctladdr, res->ai_addr, res->ai_addrlen); | |||
246 | namelen = res->ai_addrlen; | |||
247 | freeaddrinfo(res0); | |||
248 | res0 = res = NULL((void*)0); | |||
249 | #ifndef SMALL | |||
250 | if (srcaddr) { | |||
251 | freeaddrinfo(ares); | |||
| ||||
252 | ares = NULL((void*)0); | |||
253 | } | |||
254 | #endif /* !SMALL */ | |||
255 | if (getsockname(s, &myctladdr.sa, &namelen) == -1) { | |||
256 | warn("getsockname"); | |||
257 | code = -1; | |||
258 | goto bad; | |||
259 | } | |||
260 | if (hisctladdr.sa.sa_family == AF_INET2) { | |||
261 | tos = IPTOS_LOWDELAY0x10; | |||
262 | if (setsockopt(s, IPPROTO_IP0, IP_TOS3, (char *)&tos, sizeof(int)) == -1) | |||
263 | warn("setsockopt TOS (ignored)"); | |||
264 | } | |||
265 | cin = fdopen(s, "r"); | |||
266 | cout = fdopen(s, "w"); | |||
267 | if (cin == NULL((void*)0) || cout == NULL((void*)0)) { | |||
268 | warnx("fdopen failed."); | |||
269 | if (cin) | |||
270 | (void)fclose(cin); | |||
271 | if (cout) | |||
272 | (void)fclose(cout); | |||
273 | code = -1; | |||
274 | goto bad; | |||
275 | } | |||
276 | if (verbose) | |||
277 | fprintf(ttyout, "Connected to %s.\n", hostname); | |||
278 | if (getreply(0) > 2) { /* read startup message from server */ | |||
279 | if (cin) | |||
280 | (void)fclose(cin); | |||
281 | if (cout) | |||
282 | (void)fclose(cout); | |||
283 | code = -1; | |||
284 | goto bad; | |||
285 | } | |||
286 | { | |||
287 | int ret, on = 1; | |||
288 | ||||
289 | ret = setsockopt(s, SOL_SOCKET0xffff, SO_OOBINLINE0x0100, (char *)&on, sizeof(on)); | |||
290 | #ifndef SMALL | |||
291 | if (ret == -1 && debug) | |||
292 | warn("setsockopt"); | |||
293 | #endif /* !SMALL */ | |||
294 | } | |||
295 | ||||
296 | return (hostname); | |||
297 | bad: | |||
298 | (void)close(s); | |||
299 | return (NULL((void*)0)); | |||
300 | } | |||
301 | ||||
302 | /* ARGSUSED */ | |||
303 | void | |||
304 | cmdabort(int signo) | |||
305 | { | |||
306 | int save_errno = errno(*__errno()); | |||
307 | ||||
308 | alarmtimer(0); | |||
309 | (void) write(fileno(ttyout)(!__isthreaded ? ((ttyout)->_file) : (fileno)(ttyout)), "\n\r", 2); | |||
310 | abrtflag++; | |||
311 | ||||
312 | errno(*__errno()) = save_errno; | |||
313 | if (ptflag) | |||
314 | longjmp(ptabort, 1); | |||
315 | } | |||
316 | ||||
317 | int | |||
318 | command(const char *fmt, ...) | |||
319 | { | |||
320 | va_list ap; | |||
321 | int r; | |||
322 | sig_t oldintr; | |||
323 | ||||
324 | abrtflag = 0; | |||
325 | #ifndef SMALL | |||
326 | if (debug) { | |||
327 | fputs("---> ", ttyout); | |||
328 | va_start(ap, fmt)__builtin_va_start(ap, fmt); | |||
329 | if (strncmp("PASS ", fmt, 5) == 0) | |||
330 | fputs("PASS XXXX", ttyout); | |||
331 | else if (strncmp("ACCT ", fmt, 5) == 0) | |||
332 | fputs("ACCT XXXX", ttyout); | |||
333 | else | |||
334 | vfprintf(ttyout, fmt, ap); | |||
335 | va_end(ap)__builtin_va_end(ap); | |||
336 | putc('\n', ttyout)(!__isthreaded ? __sputc('\n', ttyout) : (putc)('\n', ttyout) ); | |||
337 | (void)fflush(ttyout); | |||
338 | } | |||
339 | #endif /* !SMALL */ | |||
340 | if (cout == NULL((void*)0)) { | |||
341 | warnx("No control connection for command."); | |||
342 | code = -1; | |||
343 | return (0); | |||
344 | } | |||
345 | oldintr = signal(SIGINT2, cmdabort); | |||
346 | va_start(ap, fmt)__builtin_va_start(ap, fmt); | |||
347 | vfprintf(cout, fmt, ap); | |||
348 | va_end(ap)__builtin_va_end(ap); | |||
349 | fputs("\r\n", cout); | |||
350 | (void)fflush(cout); | |||
351 | cpend = 1; | |||
352 | r = getreply(!strcmp(fmt, "QUIT")); | |||
353 | if (abrtflag && oldintr != SIG_IGN(void (*)(int))1) | |||
354 | (*oldintr)(SIGINT2); | |||
355 | (void)signal(SIGINT2, oldintr); | |||
356 | return (r); | |||
357 | } | |||
358 | ||||
359 | int keep_alive_timeout = 60; /* 0 -> no timeout */ | |||
360 | ||||
361 | static int full_noops_sent = 0; | |||
362 | static time_t last_timestamp = 0; /* 0 -> no measurement yet */ | |||
363 | static char noop[] = "NOOP\r\n"; | |||
364 | #define NOOP_LENGTH(sizeof noop - 1) (sizeof noop - 1) | |||
365 | static int current_nop_pos = 0; /* 0 -> no noop started */ | |||
366 | ||||
367 | /* to achieve keep alive, we send noop one byte at a time */ | |||
368 | static void | |||
369 | send_noop_char(void) | |||
370 | { | |||
371 | #ifndef SMALL | |||
372 | if (debug) | |||
373 | fprintf(ttyout, "---> %c\n", noop[current_nop_pos]); | |||
374 | #endif /* !SMALL */ | |||
375 | fputc(noop[current_nop_pos++], cout); | |||
376 | (void)fflush(cout); | |||
377 | if (current_nop_pos >= NOOP_LENGTH(sizeof noop - 1)) { | |||
378 | full_noops_sent++; | |||
379 | current_nop_pos = 0; | |||
380 | } | |||
381 | } | |||
382 | ||||
383 | static void | |||
384 | may_reset_noop_timeout(void) | |||
385 | { | |||
386 | if (keep_alive_timeout != 0) | |||
387 | last_timestamp = time(NULL((void*)0)); | |||
388 | } | |||
389 | ||||
390 | static void | |||
391 | may_receive_noop_ack(void) | |||
392 | { | |||
393 | int i; | |||
394 | ||||
395 | if (cout == NULL((void*)0)) { | |||
396 | /* Lost connection; so just pretend we're fine. */ | |||
397 | current_nop_pos = full_noops_sent = 0; | |||
398 | return; | |||
399 | } | |||
400 | ||||
401 | /* finish sending last incomplete noop */ | |||
402 | if (current_nop_pos != 0) { | |||
403 | fputs(&(noop[current_nop_pos]), cout); | |||
404 | #ifndef SMALL | |||
405 | if (debug) | |||
406 | fprintf(ttyout, "---> %s\n", &(noop[current_nop_pos])); | |||
407 | #endif /* !SMALL */ | |||
408 | (void)fflush(cout); | |||
409 | current_nop_pos = 0; | |||
410 | full_noops_sent++; | |||
411 | } | |||
412 | /* and get the replies */ | |||
413 | for (i = 0; i < full_noops_sent; i++) | |||
414 | (void)getreply(0); | |||
415 | ||||
416 | full_noops_sent = 0; | |||
417 | } | |||
418 | ||||
419 | static void | |||
420 | may_send_noop_char(void) | |||
421 | { | |||
422 | if (keep_alive_timeout != 0) { | |||
423 | if (last_timestamp != 0) { | |||
424 | time_t t = time(NULL((void*)0)); | |||
425 | ||||
426 | if (t - last_timestamp >= keep_alive_timeout) { | |||
427 | last_timestamp = t; | |||
428 | send_noop_char(); | |||
429 | } | |||
430 | } else { | |||
431 | last_timestamp = time(NULL((void*)0)); | |||
432 | } | |||
433 | } | |||
434 | } | |||
435 | ||||
436 | char reply_string[BUFSIZ1024]; /* first line of previous reply */ | |||
437 | ||||
438 | int | |||
439 | getreply(int expecteof) | |||
440 | { | |||
441 | char current_line[BUFSIZ1024]; /* last line of previous reply */ | |||
442 | int c, n, lineno; | |||
443 | int dig; | |||
444 | int originalcode = 0, continuation = 0; | |||
445 | sig_t oldintr; | |||
446 | int pflag = 0; | |||
447 | char *cp, *pt = pasv; | |||
448 | ||||
449 | memset(current_line, 0, sizeof(current_line)); | |||
450 | oldintr = signal(SIGINT2, cmdabort); | |||
451 | for (lineno = 0 ;; lineno++) { | |||
452 | dig = n = code = 0; | |||
453 | cp = current_line; | |||
454 | while ((c = fgetc(cin)) != '\n') { | |||
455 | if (c == IAC255) { /* handle telnet commands */ | |||
456 | switch (c = fgetc(cin)) { | |||
457 | case WILL251: | |||
458 | case WONT252: | |||
459 | c = fgetc(cin); | |||
460 | fprintf(cout, "%c%c%c", IAC255, DONT254, c); | |||
461 | (void)fflush(cout); | |||
462 | break; | |||
463 | case DO253: | |||
464 | case DONT254: | |||
465 | c = fgetc(cin); | |||
466 | fprintf(cout, "%c%c%c", IAC255, WONT252, c); | |||
467 | (void)fflush(cout); | |||
468 | break; | |||
469 | default: | |||
470 | break; | |||
471 | } | |||
472 | continue; | |||
473 | } | |||
474 | dig++; | |||
475 | if (c == EOF(-1)) { | |||
476 | if (expecteof) { | |||
477 | (void)signal(SIGINT2, oldintr); | |||
478 | code = 221; | |||
479 | return (0); | |||
480 | } | |||
481 | lostpeer(); | |||
482 | if (verbose) { | |||
483 | fputs( | |||
484 | "421 Service not available, remote server has closed connection.\n", ttyout); | |||
485 | (void)fflush(ttyout); | |||
486 | } | |||
487 | code = 421; | |||
488 | return (4); | |||
489 | } | |||
490 | if (c != '\r' && (verbose > 0 || | |||
491 | ((verbose > -1 && n == '5' && dig > 4) && | |||
492 | (((!n && c < '5') || (n && n < '5')) || | |||
493 | !retry_connect)))) { | |||
494 | if (proxflag && | |||
495 | (dig == 1 || (dig == 5 && verbose == 0))) | |||
496 | fprintf(ttyout, "%s:", hostname); | |||
497 | (void)putc(c, ttyout)(!__isthreaded ? __sputc(c, ttyout) : (putc)(c, ttyout)); | |||
498 | } | |||
499 | if (dig < 4 && isdigit(c)) | |||
500 | code = code * 10 + (c - '0'); | |||
501 | if (!pflag && (code == 227 || code == 228)) | |||
502 | pflag = 1; | |||
503 | else if (!pflag && code == 229) | |||
504 | pflag = 100; | |||
505 | if (dig > 4 && pflag == 1 && isdigit(c)) | |||
506 | pflag = 2; | |||
507 | if (pflag == 2) { | |||
508 | if (c != '\r' && c != ')') { | |||
509 | if (pt < &pasv[sizeof(pasv) - 1]) | |||
510 | *pt++ = c; | |||
511 | } else { | |||
512 | *pt = '\0'; | |||
513 | pflag = 3; | |||
514 | } | |||
515 | } | |||
516 | if (pflag == 100 && c == '(') | |||
517 | pflag = 2; | |||
518 | if (dig == 4 && c == '-') { | |||
519 | if (continuation) | |||
520 | code = 0; | |||
521 | continuation++; | |||
522 | } | |||
523 | if (n == 0) | |||
524 | n = c; | |||
525 | if (cp < ¤t_line[sizeof(current_line) - 1]) | |||
526 | *cp++ = c; | |||
527 | } | |||
528 | if (verbose > 0 || ((verbose > -1 && n == '5') && | |||
529 | (n < '5' || !retry_connect))) { | |||
530 | (void)putc(c, ttyout)(!__isthreaded ? __sputc(c, ttyout) : (putc)(c, ttyout)); | |||
531 | (void)fflush (ttyout); | |||
532 | } | |||
533 | if (lineno == 0) { | |||
534 | size_t len = cp - current_line; | |||
535 | ||||
536 | if (len > sizeof(reply_string)) | |||
537 | len = sizeof(reply_string); | |||
538 | ||||
539 | (void)strlcpy(reply_string, current_line, len); | |||
540 | } | |||
541 | if (continuation && code != originalcode) { | |||
542 | if (originalcode == 0) | |||
543 | originalcode = code; | |||
544 | continue; | |||
545 | } | |||
546 | *cp = '\0'; | |||
547 | if (n != '1') | |||
548 | cpend = 0; | |||
549 | (void)signal(SIGINT2, oldintr); | |||
550 | if (code == 421 || originalcode == 421) | |||
551 | lostpeer(); | |||
552 | if (abrtflag && oldintr != cmdabort && oldintr != SIG_IGN(void (*)(int))1) | |||
553 | (*oldintr)(SIGINT2); | |||
554 | return (n - '0'); | |||
555 | } | |||
556 | } | |||
557 | ||||
558 | #ifndef SMALL | |||
559 | jmp_buf sendabort; | |||
560 | ||||
561 | /* ARGSUSED */ | |||
562 | void | |||
563 | abortsend(int signo) | |||
564 | { | |||
565 | int save_errno = errno(*__errno()); | |||
566 | alarmtimer(0); | |||
567 | mflag = 0; | |||
568 | abrtflag = 0; | |||
569 | #define MSG "\nsend aborted\nwaiting for remote to finish abort.\n" | |||
570 | (void) write(fileno(ttyout)(!__isthreaded ? ((ttyout)->_file) : (fileno)(ttyout)), MSG, strlen(MSG)); | |||
571 | #undef MSG | |||
572 | ||||
573 | errno(*__errno()) = save_errno; | |||
574 | longjmp(sendabort, 1); | |||
575 | } | |||
576 | ||||
577 | void | |||
578 | sendrequest(const char *cmd, const char *local, const char *remote, | |||
579 | int printnames) | |||
580 | { | |||
581 | struct stat st; | |||
582 | int c, d; | |||
583 | FILE * volatile fin, * volatile dout; | |||
584 | int (* volatile closefunc)(FILE *); | |||
585 | volatile sig_t oldinti, oldintr, oldintp; | |||
586 | volatile off_t hashbytes; | |||
587 | char * volatile lmode; | |||
588 | char buf[BUFSIZ1024], *bufp; | |||
589 | int oprogress, serrno; | |||
590 | ||||
591 | hashbytes = mark; | |||
592 | direction = "sent"; | |||
593 | dout = NULL((void*)0); | |||
594 | bytes = 0; | |||
595 | filesize = -1; | |||
596 | oprogress = progress; | |||
597 | if (verbose && printnames) { | |||
598 | if (local && *local != '-') | |||
599 | fprintf(ttyout, "local: %s ", local); | |||
600 | if (remote) | |||
601 | fprintf(ttyout, "remote: %s\n", remote); | |||
602 | } | |||
603 | if (proxy) { | |||
604 | proxtrans(cmd, local, remote); | |||
605 | return; | |||
606 | } | |||
607 | if (curtype != type) | |||
608 | changetype(type, 0); | |||
609 | closefunc = NULL((void*)0); | |||
610 | oldintr = NULL((void*)0); | |||
611 | oldintp = NULL((void*)0); | |||
612 | oldinti = NULL((void*)0); | |||
613 | lmode = "w"; | |||
614 | if (setjmp(sendabort)) { | |||
615 | while (cpend) { | |||
616 | (void)getreply(0); | |||
617 | } | |||
618 | if (data >= 0) { | |||
619 | (void)close(data); | |||
620 | data = -1; | |||
621 | } | |||
622 | if (oldintr) | |||
623 | (void)signal(SIGINT2, oldintr); | |||
624 | if (oldintp) | |||
625 | (void)signal(SIGPIPE13, oldintp); | |||
626 | if (oldinti) | |||
627 | (void)signal(SIGINFO29, oldinti); | |||
628 | progress = oprogress; | |||
629 | code = -1; | |||
630 | return; | |||
631 | } | |||
632 | oldintr = signal(SIGINT2, abortsend); | |||
633 | oldinti = signal(SIGINFO29, psummary); | |||
634 | if (strcmp(local, "-") == 0) { | |||
635 | fin = stdin(&__sF[0]); | |||
636 | if (progress == 1) | |||
637 | progress = 0; | |||
638 | } else if (*local == '|') { | |||
639 | oldintp = signal(SIGPIPE13, SIG_IGN(void (*)(int))1); | |||
640 | fin = popen(local + 1, "r"); | |||
641 | if (fin == NULL((void*)0)) { | |||
642 | warn("%s", local + 1); | |||
643 | (void)signal(SIGINT2, oldintr); | |||
644 | (void)signal(SIGPIPE13, oldintp); | |||
645 | (void)signal(SIGINFO29, oldinti); | |||
646 | code = -1; | |||
647 | return; | |||
648 | } | |||
649 | if (progress == 1) | |||
650 | progress = 0; | |||
651 | closefunc = pclose; | |||
652 | } else { | |||
653 | fin = fopen(local, "r"); | |||
654 | if (fin == NULL((void*)0)) { | |||
655 | warn("local: %s", local); | |||
656 | (void)signal(SIGINT2, oldintr); | |||
657 | (void)signal(SIGINFO29, oldinti); | |||
658 | code = -1; | |||
659 | return; | |||
660 | } | |||
661 | closefunc = fclose; | |||
662 | if (fstat(fileno(fin)(!__isthreaded ? ((fin)->_file) : (fileno)(fin)), &st) == -1 || | |||
663 | (st.st_mode & S_IFMT0170000) != S_IFREG0100000) { | |||
664 | fprintf(ttyout, "%s: not a plain file.\n", local); | |||
665 | (void)signal(SIGINT2, oldintr); | |||
666 | (void)signal(SIGINFO29, oldinti); | |||
667 | fclose(fin); | |||
668 | code = -1; | |||
669 | return; | |||
670 | } | |||
671 | filesize = st.st_size; | |||
672 | } | |||
673 | if (initconn()) { | |||
674 | (void)signal(SIGINT2, oldintr); | |||
675 | (void)signal(SIGINFO29, oldinti); | |||
676 | if (oldintp) | |||
677 | (void)signal(SIGPIPE13, oldintp); | |||
678 | code = -1; | |||
679 | progress = oprogress; | |||
680 | if (closefunc != NULL((void*)0)) | |||
681 | (*closefunc)(fin); | |||
682 | return; | |||
683 | } | |||
684 | if (setjmp(sendabort)) | |||
685 | goto abort; | |||
686 | ||||
687 | if (restart_point && | |||
688 | (strcmp(cmd, "STOR") == 0 || strcmp(cmd, "APPE") == 0)) { | |||
689 | int rc = -1; | |||
690 | ||||
691 | switch (curtype) { | |||
692 | case TYPE_A1: | |||
693 | rc = fseeko(fin, restart_point, SEEK_SET0); | |||
694 | break; | |||
695 | case TYPE_I3: | |||
696 | if (lseek(fileno(fin)(!__isthreaded ? ((fin)->_file) : (fileno)(fin)), restart_point, SEEK_SET0) != -1) | |||
697 | rc = 0; | |||
698 | break; | |||
699 | } | |||
700 | if (rc == -1) { | |||
701 | warn("local: %s", local); | |||
702 | progress = oprogress; | |||
703 | if (closefunc != NULL((void*)0)) | |||
704 | (*closefunc)(fin); | |||
705 | return; | |||
706 | } | |||
707 | if (command("REST %lld", (long long) restart_point) | |||
708 | != CONTINUE3) { | |||
709 | progress = oprogress; | |||
710 | if (closefunc != NULL((void*)0)) | |||
711 | (*closefunc)(fin); | |||
712 | return; | |||
713 | } | |||
714 | lmode = "r+w"; | |||
715 | } | |||
716 | if (remote) { | |||
717 | if (command("%s %s", cmd, remote) != PRELIM1) { | |||
718 | (void)signal(SIGINT2, oldintr); | |||
719 | (void)signal(SIGINFO29, oldinti); | |||
720 | progress = oprogress; | |||
721 | if (oldintp) | |||
722 | (void)signal(SIGPIPE13, oldintp); | |||
723 | if (closefunc != NULL((void*)0)) | |||
724 | (*closefunc)(fin); | |||
725 | return; | |||
726 | } | |||
727 | } else | |||
728 | if (command("%s", cmd) != PRELIM1) { | |||
729 | (void)signal(SIGINT2, oldintr); | |||
730 | (void)signal(SIGINFO29, oldinti); | |||
731 | progress = oprogress; | |||
732 | if (oldintp) | |||
733 | (void)signal(SIGPIPE13, oldintp); | |||
734 | if (closefunc != NULL((void*)0)) | |||
735 | (*closefunc)(fin); | |||
736 | return; | |||
737 | } | |||
738 | dout = dataconn(lmode); | |||
739 | if (dout == NULL((void*)0)) | |||
740 | goto abort; | |||
741 | progressmeter(-1, remote); | |||
742 | may_reset_noop_timeout(); | |||
743 | oldintp = signal(SIGPIPE13, SIG_IGN(void (*)(int))1); | |||
744 | serrno = 0; | |||
745 | switch (curtype) { | |||
746 | ||||
747 | case TYPE_I3: | |||
748 | d = 0; | |||
749 | while ((c = read(fileno(fin)(!__isthreaded ? ((fin)->_file) : (fileno)(fin)), buf, sizeof(buf))) > 0) { | |||
750 | may_send_noop_char(); | |||
751 | bytes += c; | |||
752 | for (bufp = buf; c > 0; c -= d, bufp += d) | |||
753 | if ((d = write(fileno(dout)(!__isthreaded ? ((dout)->_file) : (fileno)(dout)), bufp, (size_t)c)) | |||
754 | <= 0) | |||
755 | break; | |||
756 | if (hash && (!progress || filesize < 0) ) { | |||
757 | while (bytes >= hashbytes) { | |||
758 | (void)putc('#', ttyout)(!__isthreaded ? __sputc('#', ttyout) : (putc)('#', ttyout)); | |||
759 | hashbytes += mark; | |||
760 | } | |||
761 | (void)fflush(ttyout); | |||
762 | } | |||
763 | } | |||
764 | if (c == -1 || d == -1) | |||
765 | serrno = errno(*__errno()); | |||
766 | if (hash && (!progress || filesize < 0) && bytes > 0) { | |||
767 | if (bytes < mark) | |||
768 | (void)putc('#', ttyout)(!__isthreaded ? __sputc('#', ttyout) : (putc)('#', ttyout)); | |||
769 | (void)putc('\n', ttyout)(!__isthreaded ? __sputc('\n', ttyout) : (putc)('\n', ttyout) ); | |||
770 | (void)fflush(ttyout); | |||
771 | } | |||
772 | if (c < 0) | |||
773 | warnc(serrno, "local: %s", local); | |||
774 | if (d < 0) { | |||
775 | if (serrno != EPIPE32) | |||
776 | warnc(serrno, "netout"); | |||
777 | bytes = -1; | |||
778 | } | |||
779 | break; | |||
780 | ||||
781 | case TYPE_A1: | |||
782 | while ((c = fgetc(fin)) != EOF(-1)) { | |||
783 | may_send_noop_char(); | |||
784 | if (c == '\n') { | |||
785 | while (hash && (!progress || filesize < 0) && | |||
786 | (bytes >= hashbytes)) { | |||
787 | (void)putc('#', ttyout)(!__isthreaded ? __sputc('#', ttyout) : (putc)('#', ttyout)); | |||
788 | (void)fflush(ttyout); | |||
789 | hashbytes += mark; | |||
790 | } | |||
791 | if (ferror(dout)(!__isthreaded ? (((dout)->_flags & 0x0040) != 0) : (ferror )(dout))) | |||
792 | break; | |||
793 | (void)putc('\r', dout)(!__isthreaded ? __sputc('\r', dout) : (putc)('\r', dout)); | |||
794 | bytes++; | |||
795 | } | |||
796 | (void)putc(c, dout)(!__isthreaded ? __sputc(c, dout) : (putc)(c, dout)); | |||
797 | bytes++; | |||
798 | } | |||
799 | if (ferror(fin)(!__isthreaded ? (((fin)->_flags & 0x0040) != 0) : (ferror )(fin)) || ferror(dout)(!__isthreaded ? (((dout)->_flags & 0x0040) != 0) : (ferror )(dout))) | |||
800 | serrno = errno(*__errno()); | |||
801 | if (hash && (!progress || filesize < 0)) { | |||
802 | if (bytes < hashbytes) | |||
803 | (void)putc('#', ttyout)(!__isthreaded ? __sputc('#', ttyout) : (putc)('#', ttyout)); | |||
804 | (void)putc('\n', ttyout)(!__isthreaded ? __sputc('\n', ttyout) : (putc)('\n', ttyout) ); | |||
805 | (void)fflush(ttyout); | |||
806 | } | |||
807 | if (ferror(fin)(!__isthreaded ? (((fin)->_flags & 0x0040) != 0) : (ferror )(fin))) | |||
808 | warnc(serrno, "local: %s", local); | |||
809 | if (ferror(dout)(!__isthreaded ? (((dout)->_flags & 0x0040) != 0) : (ferror )(dout))) { | |||
810 | if (errno(*__errno()) != EPIPE32) | |||
811 | warnc(serrno, "netout"); | |||
812 | bytes = -1; | |||
813 | } | |||
814 | break; | |||
815 | } | |||
816 | progressmeter(1, NULL((void*)0)); | |||
817 | progress = oprogress; | |||
818 | if (closefunc != NULL((void*)0)) | |||
819 | (*closefunc)(fin); | |||
820 | (void)fclose(dout); | |||
821 | (void)getreply(0); | |||
822 | may_receive_noop_ack(); | |||
823 | (void)signal(SIGINT2, oldintr); | |||
824 | (void)signal(SIGINFO29, oldinti); | |||
825 | if (oldintp) | |||
826 | (void)signal(SIGPIPE13, oldintp); | |||
827 | if (bytes > 0) | |||
828 | ptransfer(0); | |||
829 | return; | |||
830 | abort: | |||
831 | (void)signal(SIGINT2, oldintr); | |||
832 | (void)signal(SIGINFO29, oldinti); | |||
833 | progress = oprogress; | |||
834 | if (oldintp) | |||
835 | (void)signal(SIGPIPE13, oldintp); | |||
836 | if (!cpend) { | |||
837 | code = -1; | |||
838 | return; | |||
839 | } | |||
840 | if (data >= 0) { | |||
841 | (void)close(data); | |||
842 | data = -1; | |||
843 | } | |||
844 | if (dout) | |||
845 | (void)fclose(dout); | |||
846 | (void)getreply(0); | |||
847 | code = -1; | |||
848 | if (closefunc != NULL((void*)0) && fin != NULL((void*)0)) | |||
849 | (*closefunc)(fin); | |||
850 | if (bytes > 0) | |||
851 | ptransfer(0); | |||
852 | } | |||
853 | #endif /* !SMALL */ | |||
854 | ||||
855 | jmp_buf recvabort; | |||
856 | ||||
857 | /* ARGSUSED */ | |||
858 | void | |||
859 | abortrecv(int signo) | |||
860 | { | |||
861 | ||||
862 | alarmtimer(0); | |||
863 | mflag = 0; | |||
864 | abrtflag = 0; | |||
865 | fputs("\nreceive aborted\nwaiting for remote to finish abort.\n", ttyout); | |||
866 | (void)fflush(ttyout); | |||
867 | longjmp(recvabort, 1); | |||
868 | } | |||
869 | ||||
870 | void | |||
871 | recvrequest(const char *cmd, const char * volatile local, const char *remote, | |||
872 | const char *lmode, int printnames, int ignorespecial) | |||
873 | { | |||
874 | FILE * volatile fout, * volatile din; | |||
875 | int (* volatile closefunc)(FILE *); | |||
876 | volatile sig_t oldinti, oldintr, oldintp; | |||
877 | int c, d, serrno; | |||
878 | volatile int is_retr, tcrflag, bare_lfs; | |||
879 | static size_t bufsize; | |||
880 | static char *buf; | |||
881 | volatile off_t hashbytes; | |||
882 | struct stat st; | |||
883 | time_t mtime; | |||
884 | int oprogress; | |||
885 | int opreserve; | |||
886 | ||||
887 | fout = NULL((void*)0); | |||
888 | din = NULL((void*)0); | |||
889 | oldinti = NULL((void*)0); | |||
890 | hashbytes = mark; | |||
891 | direction = "received"; | |||
892 | bytes = 0; | |||
893 | bare_lfs = 0; | |||
894 | filesize = -1; | |||
895 | oprogress = progress; | |||
896 | opreserve = preserve; | |||
897 | is_retr = strcmp(cmd, "RETR") == 0; | |||
898 | if (is_retr && verbose && printnames) { | |||
899 | if (local && (ignorespecial || *local != '-')) | |||
900 | fprintf(ttyout, "local: %s ", local); | |||
901 | if (remote) | |||
902 | fprintf(ttyout, "remote: %s\n", remote); | |||
903 | } | |||
904 | if (proxy && is_retr) { | |||
905 | proxtrans(cmd, local, remote); | |||
906 | return; | |||
907 | } | |||
908 | closefunc = NULL((void*)0); | |||
909 | oldintr = NULL((void*)0); | |||
910 | oldintp = NULL((void*)0); | |||
911 | tcrflag = !crflag && is_retr; | |||
912 | if (setjmp(recvabort)) { | |||
913 | while (cpend) { | |||
914 | (void)getreply(0); | |||
915 | } | |||
916 | if (data >= 0) { | |||
917 | (void)close(data); | |||
918 | data = -1; | |||
919 | } | |||
920 | if (oldintr) | |||
921 | (void)signal(SIGINT2, oldintr); | |||
922 | if (oldinti) | |||
923 | (void)signal(SIGINFO29, oldinti); | |||
924 | progress = oprogress; | |||
925 | preserve = opreserve; | |||
926 | code = -1; | |||
927 | return; | |||
928 | } | |||
929 | oldintr = signal(SIGINT2, abortrecv); | |||
930 | oldinti = signal(SIGINFO29, psummary); | |||
931 | if (ignorespecial || (strcmp(local, "-") && *local != '|')) { | |||
932 | if (access(local, W_OK0x02) == -1) { | |||
933 | char *dir; | |||
934 | ||||
935 | if (errno(*__errno()) != ENOENT2 && errno(*__errno()) != EACCES13) { | |||
936 | warn("local: %s", local); | |||
937 | (void)signal(SIGINT2, oldintr); | |||
938 | (void)signal(SIGINFO29, oldinti); | |||
939 | code = -1; | |||
940 | return; | |||
941 | } | |||
942 | dir = strrchr(local, '/'); | |||
943 | if (dir != NULL((void*)0)) | |||
944 | *dir = 0; | |||
945 | d = access(dir == local ? "/" : dir ? local : ".", W_OK0x02); | |||
946 | if (dir != NULL((void*)0)) | |||
947 | *dir = '/'; | |||
948 | if (d == -1) { | |||
949 | warn("local: %s", local); | |||
950 | (void)signal(SIGINT2, oldintr); | |||
951 | (void)signal(SIGINFO29, oldinti); | |||
952 | code = -1; | |||
953 | return; | |||
954 | } | |||
955 | if (!runique && errno(*__errno()) == EACCES13 && | |||
956 | chmod(local, (S_IRUSR0000400|S_IWUSR0000200)) == -1) { | |||
957 | warn("local: %s", local); | |||
958 | (void)signal(SIGINT2, oldintr); | |||
959 | (void)signal(SIGINFO29, oldinti); | |||
960 | code = -1; | |||
961 | return; | |||
962 | } | |||
963 | if (runique && errno(*__errno()) == EACCES13 && | |||
964 | (local = gunique(local)) == NULL((void*)0)) { | |||
965 | (void)signal(SIGINT2, oldintr); | |||
966 | (void)signal(SIGINFO29, oldinti); | |||
967 | code = -1; | |||
968 | return; | |||
969 | } | |||
970 | } else if (runique && (local = gunique(local)) == NULL((void*)0)) { | |||
971 | (void)signal(SIGINT2, oldintr); | |||
972 | (void)signal(SIGINFO29, oldinti); | |||
973 | code = -1; | |||
974 | return; | |||
975 | } | |||
976 | } | |||
977 | if (!is_retr) { | |||
978 | if (curtype != TYPE_A1) | |||
979 | changetype(TYPE_A1, 0); | |||
980 | } else { | |||
981 | if (curtype != type) | |||
982 | changetype(type, 0); | |||
983 | filesize = remotesize(remote, 0); | |||
984 | } | |||
985 | if (initconn()) { | |||
986 | (void)signal(SIGINT2, oldintr); | |||
987 | (void)signal(SIGINFO29, oldinti); | |||
988 | code = -1; | |||
989 | return; | |||
990 | } | |||
991 | if (setjmp(recvabort)) | |||
992 | goto abort; | |||
993 | if (is_retr && restart_point && | |||
994 | command("REST %lld", (long long) restart_point) != CONTINUE3) | |||
995 | return; | |||
996 | if (remote) { | |||
997 | if (command("%s %s", cmd, remote) != PRELIM1) { | |||
998 | (void)signal(SIGINT2, oldintr); | |||
999 | (void)signal(SIGINFO29, oldinti); | |||
1000 | return; | |||
1001 | } | |||
1002 | } else { | |||
1003 | if (command("%s", cmd) != PRELIM1) { | |||
1004 | (void)signal(SIGINT2, oldintr); | |||
1005 | (void)signal(SIGINFO29, oldinti); | |||
1006 | return; | |||
1007 | } | |||
1008 | } | |||
1009 | din = dataconn("r"); | |||
1010 | if (din == NULL((void*)0)) | |||
1011 | goto abort; | |||
1012 | if (!ignorespecial && strcmp(local, "-") == 0) { | |||
1013 | fout = stdout(&__sF[1]); | |||
1014 | preserve = 0; | |||
1015 | } else if (!ignorespecial && *local == '|') { | |||
1016 | oldintp = signal(SIGPIPE13, SIG_IGN(void (*)(int))1); | |||
1017 | fout = popen(local + 1, "w"); | |||
1018 | if (fout == NULL((void*)0)) { | |||
1019 | warn("%s", local+1); | |||
1020 | goto abort; | |||
1021 | } | |||
1022 | if (progress == 1) | |||
1023 | progress = 0; | |||
1024 | preserve = 0; | |||
1025 | closefunc = pclose; | |||
1026 | } else { | |||
1027 | fout = fopen(local, lmode); | |||
1028 | if (fout == NULL((void*)0)) { | |||
1029 | warn("local: %s", local); | |||
1030 | goto abort; | |||
1031 | } | |||
1032 | closefunc = fclose; | |||
1033 | } | |||
1034 | if (fstat(fileno(fout)(!__isthreaded ? ((fout)->_file) : (fileno)(fout)), &st) == -1 || st.st_blksize == 0) | |||
1035 | st.st_blksize = BUFSIZ1024; | |||
1036 | if (st.st_blksize > bufsize) { | |||
1037 | (void)free(buf); | |||
1038 | buf = malloc((unsigned)st.st_blksize); | |||
1039 | if (buf == NULL((void*)0)) { | |||
1040 | warn("malloc"); | |||
1041 | bufsize = 0; | |||
1042 | goto abort; | |||
1043 | } | |||
1044 | bufsize = st.st_blksize; | |||
1045 | } | |||
1046 | if ((st.st_mode & S_IFMT0170000) != S_IFREG0100000) { | |||
1047 | if (progress == 1) | |||
1048 | progress = 0; | |||
1049 | preserve = 0; | |||
1050 | } | |||
1051 | progressmeter(-1, remote); | |||
1052 | may_reset_noop_timeout(); | |||
1053 | serrno = 0; | |||
1054 | switch (curtype) { | |||
1055 | ||||
1056 | case TYPE_I3: | |||
1057 | if (restart_point && | |||
1058 | lseek(fileno(fout)(!__isthreaded ? ((fout)->_file) : (fileno)(fout)), restart_point, SEEK_SET0) == -1) { | |||
1059 | warn("local: %s", local); | |||
1060 | progress = oprogress; | |||
1061 | preserve = opreserve; | |||
1062 | if (closefunc != NULL((void*)0)) | |||
1063 | (*closefunc)(fout); | |||
1064 | return; | |||
1065 | } | |||
1066 | errno(*__errno()) = d = 0; | |||
1067 | while ((c = read(fileno(din)(!__isthreaded ? ((din)->_file) : (fileno)(din)), buf, bufsize)) > 0) { | |||
1068 | ssize_t wr; | |||
1069 | size_t rd = c; | |||
1070 | ||||
1071 | may_send_noop_char(); | |||
1072 | d = 0; | |||
1073 | do { | |||
1074 | wr = write(fileno(fout)(!__isthreaded ? ((fout)->_file) : (fileno)(fout)), buf + d, rd); | |||
1075 | if (wr == -1) { | |||
1076 | d = -1; | |||
1077 | break; | |||
1078 | } | |||
1079 | d += wr; | |||
1080 | rd -= wr; | |||
1081 | } while (d < c); | |||
1082 | if (rd != 0) | |||
1083 | break; | |||
1084 | bytes += c; | |||
1085 | if (hash && (!progress || filesize < 0)) { | |||
1086 | while (bytes >= hashbytes) { | |||
1087 | (void)putc('#', ttyout)(!__isthreaded ? __sputc('#', ttyout) : (putc)('#', ttyout)); | |||
1088 | hashbytes += mark; | |||
1089 | } | |||
1090 | (void)fflush(ttyout); | |||
1091 | } | |||
1092 | } | |||
1093 | if (c == -1 || d < c) | |||
1094 | serrno = errno(*__errno()); | |||
1095 | if (hash && (!progress || filesize < 0) && bytes > 0) { | |||
1096 | if (bytes < mark) | |||
1097 | (void)putc('#', ttyout)(!__isthreaded ? __sputc('#', ttyout) : (putc)('#', ttyout)); | |||
1098 | (void)putc('\n', ttyout)(!__isthreaded ? __sputc('\n', ttyout) : (putc)('\n', ttyout) ); | |||
1099 | (void)fflush(ttyout); | |||
1100 | } | |||
1101 | if (c < 0) { | |||
1102 | if (serrno != EPIPE32) | |||
1103 | warnc(serrno, "netin"); | |||
1104 | bytes = -1; | |||
1105 | } | |||
1106 | if (d < c) { | |||
1107 | if (d < 0) | |||
1108 | warnc(serrno, "local: %s", local); | |||
1109 | else | |||
1110 | warnx("%s: short write", local); | |||
1111 | } | |||
1112 | break; | |||
1113 | ||||
1114 | case TYPE_A1: | |||
1115 | if (restart_point) { | |||
1116 | int i, n, ch; | |||
1117 | ||||
1118 | if (fseek(fout, 0L, SEEK_SET0) == -1) | |||
1119 | goto done; | |||
1120 | n = restart_point; | |||
1121 | for (i = 0; i++ < n;) { | |||
1122 | if ((ch = fgetc(fout)) == EOF(-1)) { | |||
1123 | if (!ferror(fout)(!__isthreaded ? (((fout)->_flags & 0x0040) != 0) : (ferror )(fout))) | |||
1124 | errno(*__errno()) = 0; | |||
1125 | goto done; | |||
1126 | } | |||
1127 | if (ch == '\n') | |||
1128 | i++; | |||
1129 | } | |||
1130 | if (fseek(fout, 0L, SEEK_CUR1) == -1) { | |||
1131 | done: | |||
1132 | if (errno(*__errno())) | |||
1133 | warn("local: %s", local); | |||
1134 | else | |||
1135 | warnx("local: %s", local); | |||
1136 | progress = oprogress; | |||
1137 | preserve = opreserve; | |||
1138 | if (closefunc != NULL((void*)0)) | |||
1139 | (*closefunc)(fout); | |||
1140 | return; | |||
1141 | } | |||
1142 | } | |||
1143 | while ((c = fgetc(din)) != EOF(-1)) { | |||
1144 | may_send_noop_char(); | |||
1145 | if (c == '\n') | |||
1146 | bare_lfs++; | |||
1147 | while (c == '\r') { | |||
1148 | while (hash && (!progress || filesize < 0) && | |||
1149 | (bytes >= hashbytes)) { | |||
1150 | (void)putc('#', ttyout)(!__isthreaded ? __sputc('#', ttyout) : (putc)('#', ttyout)); | |||
1151 | (void)fflush(ttyout); | |||
1152 | hashbytes += mark; | |||
1153 | } | |||
1154 | bytes++; | |||
1155 | if ((c = fgetc(din)) != '\n' || tcrflag) { | |||
1156 | if (ferror(fout)(!__isthreaded ? (((fout)->_flags & 0x0040) != 0) : (ferror )(fout))) | |||
1157 | goto break2; | |||
1158 | (void)putc('\r', fout)(!__isthreaded ? __sputc('\r', fout) : (putc)('\r', fout)); | |||
1159 | if (c == '\0') { | |||
1160 | bytes++; | |||
1161 | goto contin2; | |||
1162 | } | |||
1163 | if (c == EOF(-1)) | |||
1164 | goto contin2; | |||
1165 | } | |||
1166 | } | |||
1167 | (void)putc(c, fout)(!__isthreaded ? __sputc(c, fout) : (putc)(c, fout)); | |||
1168 | bytes++; | |||
1169 | contin2: ; | |||
1170 | } | |||
1171 | break2: | |||
1172 | if (ferror(din)(!__isthreaded ? (((din)->_flags & 0x0040) != 0) : (ferror )(din)) || ferror(fout)(!__isthreaded ? (((fout)->_flags & 0x0040) != 0) : (ferror )(fout))) | |||
1173 | serrno = errno(*__errno()); | |||
1174 | if (bare_lfs) { | |||
1175 | fprintf(ttyout, | |||
1176 | "WARNING! %d bare linefeeds received in ASCII mode.\n", bare_lfs); | |||
1177 | fputs("File may not have transferred correctly.\n", | |||
1178 | ttyout); | |||
1179 | } | |||
1180 | if (hash && (!progress || filesize < 0)) { | |||
1181 | if (bytes < hashbytes) | |||
1182 | (void)putc('#', ttyout)(!__isthreaded ? __sputc('#', ttyout) : (putc)('#', ttyout)); | |||
1183 | (void)putc('\n', ttyout)(!__isthreaded ? __sputc('\n', ttyout) : (putc)('\n', ttyout) ); | |||
1184 | (void)fflush(ttyout); | |||
1185 | } | |||
1186 | if (ferror(din)(!__isthreaded ? (((din)->_flags & 0x0040) != 0) : (ferror )(din))) { | |||
1187 | if (serrno != EPIPE32) | |||
1188 | warnc(serrno, "netin"); | |||
1189 | bytes = -1; | |||
1190 | } | |||
1191 | if (ferror(fout)(!__isthreaded ? (((fout)->_flags & 0x0040) != 0) : (ferror )(fout))) | |||
1192 | warnc(serrno, "local: %s", local); | |||
1193 | break; | |||
1194 | } | |||
1195 | progressmeter(1, NULL((void*)0)); | |||
1196 | progress = oprogress; | |||
1197 | preserve = opreserve; | |||
1198 | if (closefunc != NULL((void*)0)) | |||
1199 | (*closefunc)(fout); | |||
1200 | (void)signal(SIGINT2, oldintr); | |||
1201 | (void)signal(SIGINFO29, oldinti); | |||
1202 | if (oldintp) | |||
1203 | (void)signal(SIGPIPE13, oldintp); | |||
1204 | (void)fclose(din); | |||
1205 | (void)getreply(0); | |||
1206 | may_receive_noop_ack(); | |||
1207 | if (bytes >= 0 && is_retr) { | |||
1208 | if (bytes > 0) | |||
1209 | ptransfer(0); | |||
1210 | if (preserve && (closefunc == fclose)) { | |||
1211 | mtime = remotemodtime(remote, 0); | |||
1212 | if (mtime != -1) { | |||
1213 | struct timespec times[2]; | |||
1214 | ||||
1215 | times[0].tv_nsec = UTIME_OMIT-1L; | |||
1216 | times[1].tv_sec = mtime; | |||
1217 | times[1].tv_nsec = 0; | |||
1218 | if (utimensat(AT_FDCWD-100, local, times, 0) == -1) | |||
1219 | fprintf(ttyout, | |||
1220 | "Can't change modification time on %s to %s", | |||
1221 | local, asctime(localtime(&mtime))); | |||
1222 | } | |||
1223 | } | |||
1224 | } | |||
1225 | return; | |||
1226 | ||||
1227 | abort: | |||
1228 | /* abort using RFC959 recommended IP,SYNC sequence */ | |||
1229 | progress = oprogress; | |||
1230 | preserve = opreserve; | |||
1231 | if (oldintp) | |||
1232 | (void)signal(SIGPIPE13, oldintp); | |||
1233 | (void)signal(SIGINT2, SIG_IGN(void (*)(int))1); | |||
1234 | if (!cpend) { | |||
1235 | code = -1; | |||
1236 | (void)signal(SIGINT2, oldintr); | |||
1237 | (void)signal(SIGINFO29, oldinti); | |||
1238 | return; | |||
1239 | } | |||
1240 | ||||
1241 | abort_remote(din); | |||
1242 | code = -1; | |||
1243 | if (data >= 0) { | |||
1244 | (void)close(data); | |||
1245 | data = -1; | |||
1246 | } | |||
1247 | if (closefunc != NULL((void*)0) && fout != NULL((void*)0)) | |||
1248 | (*closefunc)(fout); | |||
1249 | if (din) | |||
1250 | (void)fclose(din); | |||
1251 | if (bytes > 0) | |||
1252 | ptransfer(0); | |||
1253 | (void)signal(SIGINT2, oldintr); | |||
1254 | (void)signal(SIGINFO29, oldinti); | |||
1255 | } | |||
1256 | ||||
1257 | /* | |||
1258 | * Need to start a listen on the data channel before we send the command, | |||
1259 | * otherwise the server's connect may fail. | |||
1260 | */ | |||
1261 | int | |||
1262 | initconn(void) | |||
1263 | { | |||
1264 | char *p, *a; | |||
1265 | int result = ERROR5, tmpno = 0; | |||
1266 | int on = 1; | |||
1267 | int error; | |||
1268 | u_int addr[16], port[2]; | |||
1269 | u_int af, hal, pal; | |||
1270 | char *pasvcmd = NULL((void*)0); | |||
1271 | socklen_t namelen; | |||
1272 | #ifndef SMALL | |||
1273 | struct addrinfo *ares; | |||
1274 | #endif | |||
1275 | ||||
1276 | if (myctladdr.sa.sa_family == AF_INET624 | |||
1277 | && (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)) | |||
1278 | || 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)))) { | |||
1279 | warnx("use of scoped address can be troublesome"); | |||
1280 | } | |||
1281 | #ifndef SMALL | |||
1282 | if (srcaddr) { | |||
1283 | struct addrinfo ahints; | |||
1284 | ||||
1285 | memset(&ahints, 0, sizeof(ahints)); | |||
1286 | ahints.ai_family = family; | |||
1287 | ahints.ai_socktype = SOCK_STREAM1; | |||
1288 | ahints.ai_flags |= AI_NUMERICHOST4; | |||
1289 | ahints.ai_protocol = 0; | |||
1290 | ||||
1291 | error = getaddrinfo(srcaddr, NULL((void*)0), &ahints, &ares); | |||
1292 | if (error) { | |||
1293 | warnx("%s: %s", srcaddr, gai_strerror(error)); | |||
1294 | code = -1; | |||
1295 | return (0); | |||
1296 | } | |||
1297 | } | |||
1298 | #endif /* !SMALL */ | |||
1299 | reinit: | |||
1300 | if (passivemode) { | |||
1301 | data_addr = myctladdr; | |||
1302 | data = socket(data_addr.sa.sa_family, SOCK_STREAM1, 0); | |||
1303 | if (data == -1) { | |||
1304 | warn("socket"); | |||
1305 | return (1); | |||
1306 | } | |||
1307 | #ifndef SMALL | |||
1308 | if (srcaddr) { | |||
1309 | if (bind(data, ares->ai_addr, ares->ai_addrlen) == -1) { | |||
1310 | warn("bind"); | |||
1311 | close(data); | |||
1312 | return (1); | |||
1313 | } | |||
1314 | } | |||
1315 | if ((options & SO_DEBUG0x0001) && | |||
1316 | setsockopt(data, SOL_SOCKET0xffff, SO_DEBUG0x0001, (char *)&on, | |||
1317 | sizeof(on)) == -1) | |||
1318 | warn("setsockopt (ignored)"); | |||
1319 | #endif /* !SMALL */ | |||
1320 | switch (data_addr.sa.sa_family) { | |||
1321 | case AF_INET2: | |||
1322 | if (epsv4 && !epsv4bad) { | |||
1323 | int ov; | |||
1324 | /* shut this command up in case it fails */ | |||
1325 | ov = verbose; | |||
1326 | verbose = -1; | |||
1327 | result = command(pasvcmd = "EPSV"); | |||
1328 | /* | |||
1329 | * now back to whatever verbosity we had before | |||
1330 | * and we can try PASV | |||
1331 | */ | |||
1332 | verbose = ov; | |||
1333 | if (code / 10 == 22 && code != 229) { | |||
1334 | fputs( | |||
1335 | "wrong server: return code must be 229\n", | |||
1336 | ttyout); | |||
1337 | result = COMPLETE2 + 1; | |||
1338 | } | |||
1339 | if (result != COMPLETE2) { | |||
1340 | epsv4bad = 1; | |||
1341 | #ifndef SMALL | |||
1342 | if (debug) { | |||
1343 | fputs( | |||
1344 | "disabling epsv4 for this connection\n", | |||
1345 | ttyout); | |||
1346 | } | |||
1347 | #endif /* !SMALL */ | |||
1348 | } | |||
1349 | } | |||
1350 | if (result != COMPLETE2) | |||
1351 | result = command(pasvcmd = "PASV"); | |||
1352 | break; | |||
1353 | case AF_INET624: | |||
1354 | result = command(pasvcmd = "EPSV"); | |||
1355 | if (code / 10 == 22 && code != 229) { | |||
1356 | fputs( | |||
1357 | "wrong server: return code must be 229\n", | |||
1358 | ttyout); | |||
1359 | result = COMPLETE2 + 1; | |||
1360 | } | |||
1361 | if (result != COMPLETE2) | |||
1362 | result = command(pasvcmd = "LPSV"); | |||
1363 | break; | |||
1364 | default: | |||
1365 | result = COMPLETE2 + 1; | |||
1366 | break; | |||
1367 | } | |||
1368 | if (result != COMPLETE2) { | |||
1369 | if (activefallback) { | |||
1370 | (void)close(data); | |||
1371 | data = -1; | |||
1372 | passivemode = 0; | |||
1373 | activefallback = 0; | |||
1374 | goto reinit; | |||
1375 | } | |||
1376 | fputs("Passive mode refused.\n", ttyout); | |||
1377 | goto bad; | |||
1378 | } | |||
1379 | ||||
1380 | #define pack2(var, off)(((var[(off) + 0] & 0xff) << 8) | ((var[(off) + 1] & 0xff) << 0)) \ | |||
1381 | (((var[(off) + 0] & 0xff) << 8) | ((var[(off) + 1] & 0xff) << 0)) | |||
1382 | #define pack4(var, off)(((var[(off) + 0] & 0xff) << 24) | ((var[(off) + 1] & 0xff) << 16) | ((var[(off) + 2] & 0xff) << 8) | ((var[(off) + 3] & 0xff) << 0)) \ | |||
1383 | (((var[(off) + 0] & 0xff) << 24) | ((var[(off) + 1] & 0xff) << 16) | \ | |||
1384 | ((var[(off) + 2] & 0xff) << 8) | ((var[(off) + 3] & 0xff) << 0)) | |||
1385 | ||||
1386 | /* | |||
1387 | * What we've got at this point is a string of comma separated | |||
1388 | * one-byte unsigned integer values, separated by commas. | |||
1389 | */ | |||
1390 | if (!pasvcmd) | |||
1391 | goto bad; | |||
1392 | if (strcmp(pasvcmd, "PASV") == 0) { | |||
1393 | if (data_addr.sa.sa_family != AF_INET2) { | |||
1394 | fputs( | |||
1395 | "Passive mode AF mismatch. Shouldn't happen!\n", ttyout); | |||
1396 | goto bad; | |||
1397 | } | |||
1398 | if (code / 10 == 22 && code != 227) { | |||
1399 | fputs("wrong server: return code must be 227\n", | |||
1400 | ttyout); | |||
1401 | goto bad; | |||
1402 | } | |||
1403 | error = sscanf(pasv, "%u,%u,%u,%u,%u,%u", | |||
1404 | &addr[0], &addr[1], &addr[2], &addr[3], | |||
1405 | &port[0], &port[1]); | |||
1406 | if (error != 6) { | |||
1407 | fputs( | |||
1408 | "Passive mode address scan failure. Shouldn't happen!\n", ttyout); | |||
1409 | goto bad; | |||
1410 | } | |||
1411 | memset(&data_addr, 0, sizeof(data_addr)); | |||
1412 | data_addr.sin.sin_family = AF_INET2; | |||
1413 | data_addr.sin.sin_len = sizeof(struct sockaddr_in); | |||
1414 | data_addr.sin.sin_addr.s_addr = | |||
1415 | 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)))); | |||
1416 | 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)))); | |||
1417 | } else if (strcmp(pasvcmd, "LPSV") == 0) { | |||
1418 | if (code / 10 == 22 && code != 228) { | |||
1419 | fputs("wrong server: return code must be 228\n", | |||
1420 | ttyout); | |||
1421 | goto bad; | |||
1422 | } | |||
1423 | switch (data_addr.sa.sa_family) { | |||
1424 | case AF_INET2: | |||
1425 | error = sscanf(pasv, | |||
1426 | "%u,%u,%u,%u,%u,%u,%u,%u,%u", | |||
1427 | &af, &hal, | |||
1428 | &addr[0], &addr[1], &addr[2], &addr[3], | |||
1429 | &pal, &port[0], &port[1]); | |||
1430 | if (error != 9) { | |||
1431 | fputs( | |||
1432 | "Passive mode address scan failure. Shouldn't happen!\n", ttyout); | |||
1433 | goto bad; | |||
1434 | } | |||
1435 | if (af != 4 || hal != 4 || pal != 2) { | |||
1436 | fputs( | |||
1437 | "Passive mode AF mismatch. Shouldn't happen!\n", ttyout); | |||
1438 | error = 1; | |||
1439 | goto bad; | |||
1440 | } | |||
1441 | ||||
1442 | memset(&data_addr, 0, sizeof(data_addr)); | |||
1443 | data_addr.sin.sin_family = AF_INET2; | |||
1444 | data_addr.sin.sin_len = sizeof(struct sockaddr_in); | |||
1445 | data_addr.sin.sin_addr.s_addr = | |||
1446 | 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)))); | |||
1447 | 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)))); | |||
1448 | break; | |||
1449 | case AF_INET624: | |||
1450 | error = sscanf(pasv, | |||
1451 | "%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u", | |||
1452 | &af, &hal, | |||
1453 | &addr[0], &addr[1], &addr[2], &addr[3], | |||
1454 | &addr[4], &addr[5], &addr[6], &addr[7], | |||
1455 | &addr[8], &addr[9], &addr[10], | |||
1456 | &addr[11], &addr[12], &addr[13], | |||
1457 | &addr[14], &addr[15], | |||
1458 | &pal, &port[0], &port[1]); | |||
1459 | if (error != 21) { | |||
1460 | fputs( | |||
1461 | "Passive mode address scan failure. Shouldn't happen!\n", ttyout); | |||
1462 | goto bad; | |||
1463 | } | |||
1464 | if (af != 6 || hal != 16 || pal != 2) { | |||
1465 | fputs( | |||
1466 | "Passive mode AF mismatch. Shouldn't happen!\n", ttyout); | |||
1467 | goto bad; | |||
1468 | } | |||
1469 | ||||
1470 | memset(&data_addr, 0, sizeof(data_addr)); | |||
1471 | data_addr.sin6.sin6_family = AF_INET624; | |||
1472 | data_addr.sin6.sin6_len = sizeof(struct sockaddr_in6); | |||
1473 | { | |||
1474 | u_int32_t *p32; | |||
1475 | p32 = (u_int32_t *)&data_addr.sin6.sin6_addr; | |||
1476 | 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)))); | |||
1477 | 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)))); | |||
1478 | 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)))); | |||
1479 | 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)))); | |||
1480 | } | |||
1481 | 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)))); | |||
1482 | break; | |||
1483 | default: | |||
1484 | fputs("Bad family!\n", ttyout); | |||
1485 | goto bad; | |||
1486 | } | |||
1487 | } else if (strcmp(pasvcmd, "EPSV") == 0) { | |||
1488 | char delim[4]; | |||
1489 | ||||
1490 | port[0] = 0; | |||
1491 | if (code / 10 == 22 && code != 229) { | |||
1492 | fputs("wrong server: return code must be 229\n", | |||
1493 | ttyout); | |||
1494 | goto bad; | |||
1495 | } | |||
1496 | if (sscanf(pasv, "%c%c%c%d%c", &delim[0], | |||
1497 | &delim[1], &delim[2], &port[1], | |||
1498 | &delim[3]) != 5) { | |||
1499 | fputs("parse error!\n", ttyout); | |||
1500 | goto bad; | |||
1501 | } | |||
1502 | if (delim[0] != delim[1] || delim[0] != delim[2] | |||
1503 | || delim[0] != delim[3]) { | |||
1504 | fputs("parse error!\n", ttyout); | |||
1505 | goto bad; | |||
1506 | } | |||
1507 | data_addr = hisctladdr; | |||
1508 | 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])); | |||
1509 | } else | |||
1510 | goto bad; | |||
1511 | ||||
1512 | for (error = connect(data, &data_addr.sa, data_addr.sa.sa_len); | |||
1513 | error != 0 && errno(*__errno()) == EINTR4; | |||
1514 | error = connect_wait(data)) | |||
1515 | continue; | |||
1516 | if (error != 0) { | |||
1517 | if (activefallback) { | |||
1518 | (void)close(data); | |||
1519 | data = -1; | |||
1520 | passivemode = 0; | |||
1521 | activefallback = 0; | |||
1522 | goto reinit; | |||
1523 | } | |||
1524 | warn("connect"); | |||
1525 | goto bad; | |||
1526 | } | |||
1527 | if (data_addr.sa.sa_family == AF_INET2) { | |||
1528 | on = IPTOS_THROUGHPUT0x08; | |||
1529 | if (setsockopt(data, IPPROTO_IP0, IP_TOS3, (char *)&on, | |||
1530 | sizeof(int)) == -1) | |||
1531 | warn("setsockopt TOS (ignored)"); | |||
1532 | } | |||
1533 | return (0); | |||
1534 | } | |||
1535 | ||||
1536 | noport: | |||
1537 | data_addr = myctladdr; | |||
1538 | if (sendport) | |||
1539 | data_addr.sin.sin_port = 0; /* let system pick one */ | |||
1540 | if (data != -1) | |||
1541 | (void)close(data); | |||
1542 | data = socket(data_addr.sa.sa_family, SOCK_STREAM1, 0); | |||
1543 | if (data == -1) { | |||
1544 | warn("socket"); | |||
1545 | if (tmpno) | |||
1546 | sendport = 1; | |||
1547 | return (1); | |||
1548 | } | |||
1549 | if (!sendport) | |||
1550 | if (setsockopt(data, SOL_SOCKET0xffff, SO_REUSEADDR0x0004, (char *)&on, | |||
1551 | sizeof(on)) == -1) { | |||
1552 | warn("setsockopt (reuse address)"); | |||
1553 | goto bad; | |||
1554 | } | |||
1555 | switch (data_addr.sa.sa_family) { | |||
1556 | case AF_INET2: | |||
1557 | on = IP_PORTRANGE_HIGH1; | |||
1558 | if (setsockopt(data, IPPROTO_IP0, IP_PORTRANGE19, | |||
1559 | (char *)&on, sizeof(on)) == -1) | |||
1560 | warn("setsockopt IP_PORTRANGE (ignored)"); | |||
1561 | break; | |||
1562 | case AF_INET624: | |||
1563 | on = IPV6_PORTRANGE_HIGH1; | |||
1564 | if (setsockopt(data, IPPROTO_IPV641, IPV6_PORTRANGE14, | |||
1565 | (char *)&on, sizeof(on)) == -1) | |||
1566 | warn("setsockopt IPV6_PORTRANGE (ignored)"); | |||
1567 | break; | |||
1568 | } | |||
1569 | if (bind(data, &data_addr.sa, data_addr.sa.sa_len) == -1) { | |||
1570 | warn("bind"); | |||
1571 | goto bad; | |||
1572 | } | |||
1573 | #ifndef SMALL | |||
1574 | if (options & SO_DEBUG0x0001 && | |||
1575 | setsockopt(data, SOL_SOCKET0xffff, SO_DEBUG0x0001, (char *)&on, | |||
1576 | sizeof(on)) == -1) | |||
1577 | warn("setsockopt (ignored)"); | |||
1578 | #endif /* !SMALL */ | |||
1579 | namelen = sizeof(data_addr); | |||
1580 | if (getsockname(data, &data_addr.sa, &namelen) == -1) { | |||
1581 | warn("getsockname"); | |||
1582 | goto bad; | |||
1583 | } | |||
1584 | if (listen(data, 1) == -1) | |||
1585 | warn("listen"); | |||
1586 | ||||
1587 | #define UC(b)(((int)b)&0xff) (((int)b)&0xff) | |||
1588 | ||||
1589 | if (sendport) { | |||
1590 | char hname[NI_MAXHOST256], pbuf[NI_MAXSERV32]; | |||
1591 | int af_tmp; | |||
1592 | union sockaddr_union tmp; | |||
1593 | ||||
1594 | tmp = data_addr; | |||
1595 | switch (tmp.sa.sa_family) { | |||
1596 | case AF_INET2: | |||
1597 | if (!epsv4 || epsv4bad) { | |||
1598 | result = COMPLETE2 +1; | |||
1599 | break; | |||
1600 | } | |||
1601 | /*FALLTHROUGH*/ | |||
1602 | case AF_INET624: | |||
1603 | if (tmp.sa.sa_family == AF_INET624) | |||
1604 | tmp.sin6.sin6_scope_id = 0; | |||
1605 | af_tmp = (tmp.sa.sa_family == AF_INET2) ? 1 : 2; | |||
1606 | if (getnameinfo(&tmp.sa, tmp.sa.sa_len, hname, | |||
1607 | sizeof(hname), pbuf, sizeof(pbuf), | |||
1608 | NI_NUMERICHOST1 | NI_NUMERICSERV2)) { | |||
1609 | result = ERROR5; | |||
1610 | } else { | |||
1611 | result = command("EPRT |%d|%s|%s|", | |||
1612 | af_tmp, hname, pbuf); | |||
1613 | if (result != COMPLETE2) { | |||
1614 | epsv4bad = 1; | |||
1615 | #ifndef SMALL | |||
1616 | if (debug) { | |||
1617 | fputs( | |||
1618 | "disabling epsv4 for this connection\n", | |||
1619 | ttyout); | |||
1620 | } | |||
1621 | #endif /* !SMALL */ | |||
1622 | } | |||
1623 | } | |||
1624 | break; | |||
1625 | default: | |||
1626 | result = COMPLETE2 + 1; | |||
1627 | break; | |||
1628 | } | |||
1629 | if (result == COMPLETE2) | |||
1630 | goto skip_port; | |||
1631 | ||||
1632 | switch (data_addr.sa.sa_family) { | |||
1633 | case AF_INET2: | |||
1634 | a = (char *)&data_addr.sin.sin_addr; | |||
1635 | p = (char *)&data_addr.sin.sin_port; | |||
1636 | result = command("PORT %d,%d,%d,%d,%d,%d", | |||
1637 | 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), | |||
1638 | UC(p[0])(((int)p[0])&0xff), UC(p[1])(((int)p[1])&0xff)); | |||
1639 | break; | |||
1640 | case AF_INET624: | |||
1641 | a = (char *)&data_addr.sin6.sin6_addr; | |||
1642 | p = (char *)&data_addr.sin6.sin6_port; | |||
1643 | result = command( | |||
1644 | "LPRT %d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d", | |||
1645 | 6, 16, | |||
1646 | 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), | |||
1647 | 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), | |||
1648 | 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), | |||
1649 | 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), | |||
1650 | 2, UC(p[0])(((int)p[0])&0xff), UC(p[1])(((int)p[1])&0xff)); | |||
1651 | break; | |||
1652 | default: | |||
1653 | result = COMPLETE2 + 1; /* xxx */ | |||
1654 | } | |||
1655 | skip_port: | |||
1656 | ||||
1657 | if (result == ERROR5 && sendport == -1) { | |||
1658 | sendport = 0; | |||
1659 | tmpno = 1; | |||
1660 | goto noport; | |||
1661 | } | |||
1662 | return (result != COMPLETE2); | |||
1663 | } | |||
1664 | if (tmpno) | |||
1665 | sendport = 1; | |||
1666 | if (data_addr.sa.sa_family == AF_INET2) { | |||
1667 | on = IPTOS_THROUGHPUT0x08; | |||
1668 | if (setsockopt(data, IPPROTO_IP0, IP_TOS3, (char *)&on, | |||
1669 | sizeof(int)) == -1) | |||
1670 | warn("setsockopt TOS (ignored)"); | |||
1671 | } | |||
1672 | return (0); | |||
1673 | bad: | |||
1674 | (void)close(data), data = -1; | |||
1675 | if (tmpno) | |||
1676 | sendport = 1; | |||
1677 | return (1); | |||
1678 | } | |||
1679 | ||||
1680 | FILE * | |||
1681 | dataconn(const char *lmode) | |||
1682 | { | |||
1683 | union sockaddr_union from; | |||
1684 | socklen_t fromlen = myctladdr.sa.sa_len; | |||
1685 | int s; | |||
1686 | ||||
1687 | if (passivemode) | |||
1688 | return (fdopen(data, lmode)); | |||
1689 | ||||
1690 | s = accept(data, &from.sa, &fromlen); | |||
1691 | if (s == -1) { | |||
1692 | warn("accept"); | |||
1693 | (void)close(data), data = -1; | |||
1694 | return (NULL((void*)0)); | |||
1695 | } | |||
1696 | (void)close(data); | |||
1697 | data = s; | |||
1698 | if (from.sa.sa_family == AF_INET2) { | |||
1699 | int tos = IPTOS_THROUGHPUT0x08; | |||
1700 | if (setsockopt(s, IPPROTO_IP0, IP_TOS3, (char *)&tos, | |||
1701 | sizeof(int)) == -1) { | |||
1702 | warn("setsockopt TOS (ignored)"); | |||
1703 | } | |||
1704 | } | |||
1705 | return (fdopen(data, lmode)); | |||
1706 | } | |||
1707 | ||||
1708 | /* ARGSUSED */ | |||
1709 | void | |||
1710 | psummary(int signo) | |||
1711 | { | |||
1712 | int save_errno = errno(*__errno()); | |||
1713 | ||||
1714 | if (bytes > 0) | |||
1715 | ptransfer(1); | |||
1716 | errno(*__errno()) = save_errno; | |||
1717 | } | |||
1718 | ||||
1719 | /* ARGSUSED */ | |||
1720 | void | |||
1721 | psabort(int signo) | |||
1722 | { | |||
1723 | ||||
1724 | alarmtimer(0); | |||
1725 | abrtflag++; | |||
1726 | } | |||
1727 | ||||
1728 | void | |||
1729 | pswitch(int flag) | |||
1730 | { | |||
1731 | sig_t oldintr; | |||
1732 | static struct comvars { | |||
1733 | int connect; | |||
1734 | char name[HOST_NAME_MAX255+1]; | |||
1735 | union sockaddr_union mctl; | |||
1736 | union sockaddr_union hctl; | |||
1737 | FILE *in; | |||
1738 | FILE *out; | |||
1739 | int tpe; | |||
1740 | int curtpe; | |||
1741 | int cpnd; | |||
1742 | int sunqe; | |||
1743 | int runqe; | |||
1744 | int mcse; | |||
1745 | int ntflg; | |||
1746 | char nti[17]; | |||
1747 | char nto[17]; | |||
1748 | int mapflg; | |||
1749 | char mi[PATH_MAX1024]; | |||
1750 | char mo[PATH_MAX1024]; | |||
1751 | } proxstruct, tmpstruct; | |||
1752 | struct comvars *ip, *op; | |||
1753 | ||||
1754 | abrtflag = 0; | |||
1755 | oldintr = signal(SIGINT2, psabort); | |||
1756 | if (flag) { | |||
1757 | if (proxy) | |||
1758 | return; | |||
1759 | ip = &tmpstruct; | |||
1760 | op = &proxstruct; | |||
1761 | proxy++; | |||
1762 | } else { | |||
1763 | if (!proxy) | |||
1764 | return; | |||
1765 | ip = &proxstruct; | |||
1766 | op = &tmpstruct; | |||
1767 | proxy = 0; | |||
1768 | } | |||
1769 | ip->connect = connected; | |||
1770 | connected = op->connect; | |||
1771 | if (hostname) { | |||
1772 | (void)strlcpy(ip->name, hostname, sizeof(ip->name)); | |||
1773 | } else | |||
1774 | ip->name[0] = '\0'; | |||
1775 | hostname = op->name; | |||
1776 | ip->hctl = hisctladdr; | |||
1777 | hisctladdr = op->hctl; | |||
1778 | ip->mctl = myctladdr; | |||
1779 | myctladdr = op->mctl; | |||
1780 | ip->in = cin; | |||
1781 | cin = op->in; | |||
1782 | ip->out = cout; | |||
1783 | cout = op->out; | |||
1784 | ip->tpe = type; | |||
1785 | type = op->tpe; | |||
1786 | ip->curtpe = curtype; | |||
1787 | curtype = op->curtpe; | |||
1788 | ip->cpnd = cpend; | |||
1789 | cpend = op->cpnd; | |||
1790 | ip->sunqe = sunique; | |||
1791 | sunique = op->sunqe; | |||
1792 | ip->runqe = runique; | |||
1793 | runique = op->runqe; | |||
1794 | ip->mcse = mcase; | |||
1795 | mcase = op->mcse; | |||
1796 | ip->ntflg = ntflag; | |||
1797 | ntflag = op->ntflg; | |||
1798 | (void)strlcpy(ip->nti, ntin, sizeof(ip->nti)); | |||
1799 | (void)strlcpy(ntin, op->nti, sizeof ntin); | |||
1800 | (void)strlcpy(ip->nto, ntout, sizeof(ip->nto)); | |||
1801 | (void)strlcpy(ntout, op->nto, sizeof ntout); | |||
1802 | ip->mapflg = mapflag; | |||
1803 | mapflag = op->mapflg; | |||
1804 | (void)strlcpy(ip->mi, mapin, sizeof(ip->mi)); | |||
1805 | (void)strlcpy(mapin, op->mi, sizeof mapin); | |||
1806 | (void)strlcpy(ip->mo, mapout, sizeof(ip->mo)); | |||
1807 | (void)strlcpy(mapout, op->mo, sizeof mapout); | |||
1808 | (void)signal(SIGINT2, oldintr); | |||
1809 | if (abrtflag) { | |||
1810 | abrtflag = 0; | |||
1811 | (*oldintr)(SIGINT2); | |||
1812 | } | |||
1813 | } | |||
1814 | ||||
1815 | /* ARGSUSED */ | |||
1816 | void | |||
1817 | abortpt(int signo) | |||
1818 | { | |||
1819 | ||||
1820 | alarmtimer(0); | |||
1821 | putc('\n', ttyout)(!__isthreaded ? __sputc('\n', ttyout) : (putc)('\n', ttyout) ); | |||
1822 | (void)fflush(ttyout); | |||
1823 | ptabflg++; | |||
1824 | mflag = 0; | |||
1825 | abrtflag = 0; | |||
1826 | longjmp(ptabort, 1); | |||
1827 | } | |||
1828 | ||||
1829 | void | |||
1830 | proxtrans(const char *cmd, const char *local, const char *remote) | |||
1831 | { | |||
1832 | volatile sig_t oldintr; | |||
1833 | int prox_type, nfnd; | |||
1834 | volatile int secndflag; | |||
1835 | char * volatile cmd2; | |||
1836 | struct pollfd pfd[1]; | |||
1837 | ||||
1838 | oldintr = NULL((void*)0); | |||
1839 | secndflag = 0; | |||
1840 | if (strcmp(cmd, "RETR")) | |||
1841 | cmd2 = "RETR"; | |||
1842 | else | |||
1843 | cmd2 = runique ? "STOU" : "STOR"; | |||
1844 | if ((prox_type = type) == 0) { | |||
1845 | if (unix_server && unix_proxy) | |||
1846 | prox_type = TYPE_I3; | |||
1847 | else | |||
1848 | prox_type = TYPE_A1; | |||
1849 | } | |||
1850 | if (curtype != prox_type) | |||
1851 | changetype(prox_type, 1); | |||
1852 | if (command("PASV") != COMPLETE2) { | |||
1853 | fputs("proxy server does not support third party transfers.\n", | |||
1854 | ttyout); | |||
1855 | return; | |||
1856 | } | |||
1857 | pswitch(0); | |||
1858 | if (!connected) { | |||
1859 | fputs("No primary connection.\n", ttyout); | |||
1860 | pswitch(1); | |||
1861 | code = -1; | |||
1862 | return; | |||
1863 | } | |||
1864 | if (curtype != prox_type) | |||
1865 | changetype(prox_type, 1); | |||
1866 | if (command("PORT %s", pasv) != COMPLETE2) { | |||
1867 | pswitch(1); | |||
1868 | return; | |||
1869 | } | |||
1870 | if (setjmp(ptabort)) | |||
1871 | goto abort; | |||
1872 | oldintr = signal(SIGINT2, abortpt); | |||
1873 | if (command("%s %s", cmd, remote) != PRELIM1) { | |||
1874 | (void)signal(SIGINT2, oldintr); | |||
1875 | pswitch(1); | |||
1876 | return; | |||
1877 | } | |||
1878 | sleep(2); | |||
1879 | pswitch(1); | |||
1880 | secndflag++; | |||
1881 | if (command("%s %s", cmd2, local) != PRELIM1) | |||
1882 | goto abort; | |||
1883 | ptflag++; | |||
1884 | (void)getreply(0); | |||
1885 | pswitch(0); | |||
1886 | (void)getreply(0); | |||
1887 | (void)signal(SIGINT2, oldintr); | |||
1888 | pswitch(1); | |||
1889 | ptflag = 0; | |||
1890 | fprintf(ttyout, "local: %s remote: %s\n", local, remote); | |||
1891 | return; | |||
1892 | abort: | |||
1893 | (void)signal(SIGINT2, SIG_IGN(void (*)(int))1); | |||
1894 | ptflag = 0; | |||
1895 | if (strcmp(cmd, "RETR") && !proxy) | |||
1896 | pswitch(1); | |||
1897 | else if (!strcmp(cmd, "RETR") && proxy) | |||
1898 | pswitch(0); | |||
1899 | if (!cpend && !secndflag) { /* only here if cmd = "STOR" (proxy=1) */ | |||
1900 | if (command("%s %s", cmd2, local) != PRELIM1) { | |||
1901 | pswitch(0); | |||
1902 | if (cpend) | |||
1903 | abort_remote(NULL((void*)0)); | |||
1904 | } | |||
1905 | pswitch(1); | |||
1906 | if (ptabflg) | |||
1907 | code = -1; | |||
1908 | (void)signal(SIGINT2, oldintr); | |||
1909 | return; | |||
1910 | } | |||
1911 | if (cpend) | |||
1912 | abort_remote(NULL((void*)0)); | |||
1913 | pswitch(!proxy); | |||
1914 | if (!cpend && !secndflag) { /* only if cmd = "RETR" (proxy=1) */ | |||
1915 | if (command("%s %s", cmd2, local) != PRELIM1) { | |||
1916 | pswitch(0); | |||
1917 | if (cpend) | |||
1918 | abort_remote(NULL((void*)0)); | |||
1919 | pswitch(1); | |||
1920 | if (ptabflg) | |||
1921 | code = -1; | |||
1922 | (void)signal(SIGINT2, oldintr); | |||
1923 | return; | |||
1924 | } | |||
1925 | } | |||
1926 | if (cpend) | |||
1927 | abort_remote(NULL((void*)0)); | |||
1928 | pswitch(!proxy); | |||
1929 | if (cpend) { | |||
1930 | pfd[0].fd = fileno(cin)(!__isthreaded ? ((cin)->_file) : (fileno)(cin)); | |||
1931 | pfd[0].events = POLLIN0x0001; | |||
1932 | if ((nfnd = poll(pfd, 1, 10 * 1000)) <= 0) { | |||
1933 | if (nfnd == -1) | |||
1934 | warn("abort"); | |||
1935 | if (ptabflg) | |||
1936 | code = -1; | |||
1937 | lostpeer(); | |||
1938 | } | |||
1939 | (void)getreply(0); | |||
1940 | (void)getreply(0); | |||
1941 | } | |||
1942 | if (proxy) | |||
1943 | pswitch(0); | |||
1944 | pswitch(1); | |||
1945 | if (ptabflg) | |||
1946 | code = -1; | |||
1947 | (void)signal(SIGINT2, oldintr); | |||
1948 | } | |||
1949 | ||||
1950 | #ifndef SMALL | |||
1951 | /* ARGSUSED */ | |||
1952 | void | |||
1953 | reset(int argc, char *argv[]) | |||
1954 | { | |||
1955 | struct pollfd pfd[1]; | |||
1956 | int nfnd = 1; | |||
1957 | ||||
1958 | pfd[0].fd = fileno(cin)(!__isthreaded ? ((cin)->_file) : (fileno)(cin)); | |||
1959 | pfd[0].events = POLLIN0x0001; | |||
1960 | while (nfnd > 0) { | |||
1961 | if ((nfnd = poll(pfd, 1, 0)) == -1) { | |||
1962 | warn("reset"); | |||
1963 | code = -1; | |||
1964 | lostpeer(); | |||
1965 | } else if (nfnd) { | |||
1966 | (void)getreply(0); | |||
1967 | } | |||
1968 | } | |||
1969 | } | |||
1970 | #endif | |||
1971 | ||||
1972 | char * | |||
1973 | gunique(const char *local) | |||
1974 | { | |||
1975 | static char new[PATH_MAX1024]; | |||
1976 | char *cp = strrchr(local, '/'); | |||
1977 | int d, count=0; | |||
1978 | char ext = '1'; | |||
1979 | ||||
1980 | if (cp) | |||
1981 | *cp = '\0'; | |||
1982 | d = access(cp == local ? "/" : cp ? local : ".", W_OK0x02); | |||
1983 | if (cp) | |||
1984 | *cp = '/'; | |||
1985 | if (d == -1) { | |||
1986 | warn("local: %s", local); | |||
1987 | return ((char *) 0); | |||
1988 | } | |||
1989 | (void)strlcpy(new, local, sizeof new); | |||
1990 | cp = new + strlen(new); | |||
1991 | *cp++ = '.'; | |||
1992 | while (!d) { | |||
1993 | if (++count == 100) { | |||
1994 | fputs("runique: can't find unique file name.\n", ttyout); | |||
1995 | return ((char *) 0); | |||
1996 | } | |||
1997 | *cp++ = ext; | |||
1998 | *cp = '\0'; | |||
1999 | if (ext == '9') | |||
2000 | ext = '0'; | |||
2001 | else | |||
2002 | ext++; | |||
2003 | if ((d = access(new, F_OK0)) == -1) | |||
2004 | break; | |||
2005 | if (ext != '0') | |||
2006 | cp--; | |||
2007 | else if (*(cp - 2) == '.') | |||
2008 | *(cp - 1) = '1'; | |||
2009 | else { | |||
2010 | *(cp - 2) = *(cp - 2) + 1; | |||
2011 | cp--; | |||
2012 | } | |||
2013 | } | |||
2014 | return (new); | |||
2015 | } | |||
2016 | ||||
2017 | jmp_buf forceabort; | |||
2018 | ||||
2019 | /* ARGSUSED */ | |||
2020 | static void | |||
2021 | abortforce(int signo) | |||
2022 | { | |||
2023 | int save_errno = errno(*__errno()); | |||
2024 | ||||
2025 | #define MSG "Forced abort. The connection will be closed.\n" | |||
2026 | (void) write(fileno(ttyout)(!__isthreaded ? ((ttyout)->_file) : (fileno)(ttyout)), MSG, strlen(MSG)); | |||
2027 | #undef MSG | |||
2028 | ||||
2029 | errno(*__errno()) = save_errno; | |||
2030 | longjmp(forceabort, 1); | |||
2031 | } | |||
2032 | ||||
2033 | void | |||
2034 | abort_remote(FILE *din) | |||
2035 | { | |||
2036 | char buf[BUFSIZ1024]; | |||
2037 | nfds_t nfds; | |||
2038 | int nfnd; | |||
2039 | struct pollfd pfd[2]; | |||
2040 | sig_t oldintr; | |||
2041 | ||||
2042 | if (cout == NULL((void*)0) || setjmp(forceabort)) { | |||
2043 | if (cout) | |||
2044 | fclose(cout); | |||
2045 | warnx("Lost control connection for abort."); | |||
2046 | if (ptabflg) | |||
2047 | code = -1; | |||
2048 | lostpeer(); | |||
2049 | return; | |||
2050 | } | |||
2051 | ||||
2052 | oldintr = signal(SIGINT2, abortforce); | |||
2053 | ||||
2054 | /* | |||
2055 | * send IAC in urgent mode instead of DM because 4.3BSD places oob mark | |||
2056 | * after urgent byte rather than before as is protocol now | |||
2057 | */ | |||
2058 | snprintf(buf, sizeof buf, "%c%c%c", IAC255, IP244, IAC255); | |||
2059 | if (send(fileno(cout)(!__isthreaded ? ((cout)->_file) : (fileno)(cout)), buf, 3, MSG_OOB0x1) != 3) | |||
2060 | warn("abort"); | |||
2061 | fprintf(cout, "%cABOR\r\n", DM242); | |||
2062 | (void)fflush(cout); | |||
2063 | pfd[0].fd = fileno(cin)(!__isthreaded ? ((cin)->_file) : (fileno)(cin)); | |||
2064 | pfd[0].events = POLLIN0x0001; | |||
2065 | nfds = 1; | |||
2066 | if (din) { | |||
2067 | pfd[1].fd = fileno(din)(!__isthreaded ? ((din)->_file) : (fileno)(din)); | |||
2068 | pfd[1].events = POLLIN0x0001; | |||
2069 | nfds++; | |||
2070 | } | |||
2071 | if ((nfnd = poll(pfd, nfds, 10 * 1000)) <= 0) { | |||
2072 | if (nfnd == -1) | |||
2073 | warn("abort"); | |||
2074 | if (ptabflg) | |||
2075 | code = -1; | |||
2076 | lostpeer(); | |||
2077 | } | |||
2078 | if (din && (pfd[1].revents & POLLIN0x0001)) { | |||
2079 | while (read(fileno(din)(!__isthreaded ? ((din)->_file) : (fileno)(din)), buf, BUFSIZ1024) > 0) | |||
2080 | /* LOOP */; | |||
2081 | } | |||
2082 | if (getreply(0) == ERROR5 && code == 552) { | |||
2083 | /* 552 needed for nic style abort */ | |||
2084 | (void)getreply(0); | |||
2085 | } | |||
2086 | (void)getreply(0); | |||
2087 | (void)signal(SIGINT2, oldintr); | |||
2088 | } |