ftp.c revision 1.58 1 1.58 christos /* $NetBSD: ftp.c,v 1.58 1999/08/29 22:21:57 christos Exp $ */
2 1.48 itojun
3 1.48 itojun /*
4 1.48 itojun * Copyright (C) 1997 and 1998 WIDE Project.
5 1.48 itojun * All rights reserved.
6 1.48 itojun *
7 1.48 itojun * Redistribution and use in source and binary forms, with or without
8 1.48 itojun * modification, are permitted provided that the following conditions
9 1.48 itojun * are met:
10 1.48 itojun * 1. Redistributions of source code must retain the above copyright
11 1.48 itojun * notice, this list of conditions and the following disclaimer.
12 1.48 itojun * 2. Redistributions in binary form must reproduce the above copyright
13 1.48 itojun * notice, this list of conditions and the following disclaimer in the
14 1.48 itojun * documentation and/or other materials provided with the distribution.
15 1.48 itojun * 3. Neither the name of the project nor the names of its contributors
16 1.48 itojun * may be used to endorse or promote products derived from this software
17 1.48 itojun * without specific prior written permission.
18 1.48 itojun *
19 1.48 itojun * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
20 1.48 itojun * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 1.48 itojun * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 1.48 itojun * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
23 1.48 itojun * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 1.48 itojun * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 1.48 itojun * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 1.48 itojun * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 1.48 itojun * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 1.48 itojun * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 1.48 itojun * SUCH DAMAGE.
30 1.48 itojun */
31 1.12 tls
32 1.1 cgd /*
33 1.6 cgd * Copyright (c) 1985, 1989, 1993, 1994
34 1.6 cgd * The Regents of the University of California. All rights reserved.
35 1.1 cgd *
36 1.1 cgd * Redistribution and use in source and binary forms, with or without
37 1.1 cgd * modification, are permitted provided that the following conditions
38 1.1 cgd * are met:
39 1.1 cgd * 1. Redistributions of source code must retain the above copyright
40 1.1 cgd * notice, this list of conditions and the following disclaimer.
41 1.1 cgd * 2. Redistributions in binary form must reproduce the above copyright
42 1.1 cgd * notice, this list of conditions and the following disclaimer in the
43 1.1 cgd * documentation and/or other materials provided with the distribution.
44 1.1 cgd * 3. All advertising materials mentioning features or use of this software
45 1.1 cgd * must display the following acknowledgement:
46 1.1 cgd * This product includes software developed by the University of
47 1.1 cgd * California, Berkeley and its contributors.
48 1.1 cgd * 4. Neither the name of the University nor the names of its contributors
49 1.1 cgd * may be used to endorse or promote products derived from this software
50 1.1 cgd * without specific prior written permission.
51 1.1 cgd *
52 1.1 cgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
53 1.1 cgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
54 1.1 cgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
55 1.1 cgd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
56 1.1 cgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
57 1.1 cgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
58 1.1 cgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
59 1.1 cgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
60 1.1 cgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
61 1.1 cgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
62 1.1 cgd * SUCH DAMAGE.
63 1.1 cgd */
64 1.1 cgd
65 1.26 lukem #include <sys/cdefs.h>
66 1.1 cgd #ifndef lint
67 1.12 tls #if 0
68 1.12 tls static char sccsid[] = "@(#)ftp.c 8.6 (Berkeley) 10/27/94";
69 1.12 tls #else
70 1.58 christos __RCSID("$NetBSD: ftp.c,v 1.58 1999/08/29 22:21:57 christos Exp $");
71 1.12 tls #endif
72 1.1 cgd #endif /* not lint */
73 1.1 cgd
74 1.21 lukem #include <sys/types.h>
75 1.1 cgd #include <sys/stat.h>
76 1.1 cgd #include <sys/socket.h>
77 1.33 christos #include <sys/time.h>
78 1.1 cgd
79 1.1 cgd #include <netinet/in.h>
80 1.1 cgd #include <netinet/in_systm.h>
81 1.1 cgd #include <netinet/ip.h>
82 1.6 cgd #include <arpa/inet.h>
83 1.1 cgd #include <arpa/ftp.h>
84 1.1 cgd #include <arpa/telnet.h>
85 1.1 cgd
86 1.6 cgd #include <ctype.h>
87 1.6 cgd #include <err.h>
88 1.1 cgd #include <errno.h>
89 1.1 cgd #include <netdb.h>
90 1.33 christos #include <signal.h>
91 1.6 cgd #include <stdio.h>
92 1.6 cgd #include <stdlib.h>
93 1.6 cgd #include <string.h>
94 1.32 kleink #include <time.h>
95 1.6 cgd #include <unistd.h>
96 1.23 lukem #ifdef __STDC__
97 1.23 lukem #include <stdarg.h>
98 1.23 lukem #else
99 1.1 cgd #include <varargs.h>
100 1.23 lukem #endif
101 1.45 christos #ifndef __USE_SELECT
102 1.45 christos #include <poll.h>
103 1.45 christos #endif
104 1.1 cgd
105 1.1 cgd #include "ftp_var.h"
106 1.1 cgd
107 1.48 itojun extern int h_errno;
108 1.48 itojun
109 1.1 cgd int data = -1;
110 1.1 cgd int abrtflag = 0;
111 1.6 cgd jmp_buf ptabort;
112 1.6 cgd int ptabflg;
113 1.1 cgd int ptflag = 0;
114 1.48 itojun off_t restart_point = 0;
115 1.1 cgd
116 1.45 christos static int empty __P((FILE *, FILE *, int));
117 1.45 christos
118 1.48 itojun union sockunion {
119 1.48 itojun struct sockinet {
120 1.52 christos #ifdef BSD4_4
121 1.48 itojun u_char si_len;
122 1.48 itojun u_char si_family;
123 1.52 christos #else
124 1.52 christos u_short si_family;
125 1.52 christos #endif
126 1.48 itojun u_short si_port;
127 1.52 christos #ifndef BSD4_4
128 1.52 christos u_char si_pad[sizeof(struct sockaddr_in6) - sizeof(u_int)];
129 1.52 christos u_char si_len;
130 1.52 christos #endif
131 1.48 itojun } su_si;
132 1.48 itojun struct sockaddr_in su_sin;
133 1.48 itojun struct sockaddr_in6 su_sin6;
134 1.48 itojun };
135 1.52 christos
136 1.48 itojun #define su_len su_si.si_len
137 1.48 itojun #define su_family su_si.si_family
138 1.48 itojun #define su_port su_si.si_port
139 1.48 itojun
140 1.48 itojun union sockunion myctladdr, hisctladdr, data_addr;
141 1.1 cgd
142 1.1 cgd FILE *cin, *cout;
143 1.1 cgd
144 1.1 cgd char *
145 1.1 cgd hookup(host, port)
146 1.48 itojun char *host;
147 1.48 itojun char *port;
148 1.1 cgd {
149 1.58 christos int s = -1, len, error;
150 1.58 christos #ifdef NI_NUMERICHOST
151 1.49 itojun struct addrinfo hints, *res, *res0;
152 1.58 christos char hbuf[MAXHOSTNAMELEN];
153 1.58 christos #else
154 1.58 christos struct hostent *hp = NULL;
155 1.58 christos struct servent *sp = NULL;
156 1.58 christos char **ptr;
157 1.58 christos struct sockaddr_in sin;
158 1.58 christos #endif
159 1.14 lukem static char hostnamebuf[MAXHOSTNAMELEN];
160 1.49 itojun char *cause = "unknown";
161 1.58 christos int family;
162 1.48 itojun
163 1.58 christos #ifdef NI_NUMERICHOST
164 1.48 itojun memset((char *)&hisctladdr, 0, sizeof (hisctladdr));
165 1.48 itojun memset(&hints, 0, sizeof(hints));
166 1.48 itojun hints.ai_flags = AI_CANONNAME;
167 1.48 itojun hints.ai_family = AF_UNSPEC;
168 1.48 itojun hints.ai_socktype = SOCK_STREAM;
169 1.48 itojun hints.ai_protocol = 0;
170 1.49 itojun error = getaddrinfo(host, port, &hints, &res0);
171 1.48 itojun if (error) {
172 1.48 itojun warn(gai_strerror(error));
173 1.48 itojun code = -1;
174 1.48 itojun return (0);
175 1.48 itojun }
176 1.1 cgd
177 1.49 itojun if (res0->ai_canonname)
178 1.49 itojun strncpy(hostnamebuf, res0->ai_canonname, sizeof(hostnamebuf));
179 1.48 itojun else
180 1.48 itojun strncpy(hostnamebuf, host, sizeof(hostnamebuf));
181 1.48 itojun hostnamebuf[sizeof(hostnamebuf) - 1] = '\0';
182 1.1 cgd hostname = hostnamebuf;
183 1.48 itojun
184 1.49 itojun for (res = res0; res; res = res->ai_next) {
185 1.49 itojun #if 0 /*old behavior*/
186 1.49 itojun if (res != res0) /* not on the first address */
187 1.49 itojun #else
188 1.49 itojun if (res0->ai_next) /* if we have multiple possibilities */
189 1.49 itojun #endif
190 1.49 itojun {
191 1.48 itojun getnameinfo(res->ai_addr, res->ai_addrlen,
192 1.48 itojun hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST);
193 1.49 itojun fprintf(ttyout, "Trying %s...\n", hbuf);
194 1.49 itojun }
195 1.49 itojun s = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
196 1.49 itojun if (s < 0) {
197 1.49 itojun cause = "socket";
198 1.49 itojun continue;
199 1.49 itojun }
200 1.49 itojun while ((error = xconnect(s, res->ai_addr, res->ai_addrlen)) < 0
201 1.49 itojun && errno == EINTR) {
202 1.49 itojun ;
203 1.48 itojun }
204 1.49 itojun if (error) {
205 1.49 itojun /* this "if" clause is to prevent print warning twice */
206 1.49 itojun if (res->ai_next) {
207 1.49 itojun getnameinfo(res->ai_addr, res->ai_addrlen,
208 1.49 itojun hbuf, sizeof(hbuf), NULL, 0,
209 1.49 itojun NI_NUMERICHOST);
210 1.49 itojun warn("connect to address %s", hbuf);
211 1.1 cgd }
212 1.49 itojun cause = "connect";
213 1.49 itojun close(s);
214 1.49 itojun s = -1;
215 1.1 cgd continue;
216 1.1 cgd }
217 1.49 itojun
218 1.49 itojun /* finally we got one */
219 1.49 itojun break;
220 1.49 itojun }
221 1.49 itojun if (s < 0) {
222 1.49 itojun warn(cause);
223 1.1 cgd code = -1;
224 1.50 itojun freeaddrinfo(res0);
225 1.49 itojun return 0;
226 1.1 cgd }
227 1.48 itojun memcpy(&hisctladdr, res->ai_addr, res->ai_addrlen);
228 1.48 itojun len = res->ai_addrlen;
229 1.49 itojun freeaddrinfo(res0);
230 1.49 itojun res0 = res = NULL;
231 1.58 christos family = hisctladdr.su_family;
232 1.58 christos #else
233 1.58 christos memset(&sin, 0, sizeof(sin));
234 1.58 christos sin.sin_family = AF_INET;
235 1.58 christos if ((hp = gethostbyname(host)) == NULL) {
236 1.58 christos warnx("%s: %s", host, hstrerror(h_errno));
237 1.58 christos code = -1;
238 1.58 christos return 0;
239 1.58 christos }
240 1.58 christos
241 1.58 christos if ((sp = getservbyname(port, "tcp")) == NULL) {
242 1.58 christos sin.sin_port = htons(21);
243 1.58 christos }
244 1.58 christos else
245 1.58 christos sin.sin_port = sp->s_port;
246 1.58 christos
247 1.58 christos strncpy(hostnamebuf, hp->h_name, sizeof(hostnamebuf));
248 1.58 christos hostnamebuf[sizeof(hostnamebuf) - 1] = '\0';
249 1.58 christos hostname = hostnamebuf;
250 1.58 christos
251 1.58 christos if (hp->h_length > sizeof(sin.sin_addr))
252 1.58 christos hp->h_length = sizeof(sin.sin_addr);
253 1.58 christos
254 1.58 christos for (ptr = hp->h_addr_list; *ptr; ptr++) {
255 1.58 christos memcpy(&sin.sin_addr, *ptr, (size_t)hp->h_length);
256 1.58 christos if (hp->h_addr_list[1])
257 1.58 christos fprintf(ttyout, "Trying %s...\n",
258 1.58 christos inet_ntoa(sin.sin_addr));
259 1.58 christos s = socket(AF_INET, SOCK_STREAM, 0);
260 1.58 christos if (s < 0) {
261 1.58 christos cause = "socket";
262 1.58 christos continue;
263 1.58 christos }
264 1.58 christos while ((error = xconnect(s, (struct sockaddr *)&sin,
265 1.58 christos sizeof(sin))) < 0 && errno == EINTR) {
266 1.58 christos ;
267 1.58 christos }
268 1.58 christos if (error) {
269 1.58 christos /* this "if" clause is to prevent print warning twice */
270 1.58 christos if (hp->h_addr_list[1]) {
271 1.58 christos warn("connect to address %s",
272 1.58 christos inet_ntoa(sin.sin_addr));
273 1.58 christos }
274 1.58 christos cause = "connect";
275 1.58 christos close(s);
276 1.58 christos s = -1;
277 1.58 christos continue;
278 1.58 christos }
279 1.58 christos
280 1.58 christos /* finally we got one */
281 1.58 christos break;
282 1.58 christos }
283 1.58 christos if (s < 0) {
284 1.58 christos warn(cause);
285 1.58 christos code = -1;
286 1.58 christos return 0;
287 1.58 christos }
288 1.58 christos memcpy(&hisctladdr, &sin, sizeof(sin));
289 1.58 christos len = sizeof(sin);
290 1.58 christos if (hisctladdr.su_len == 0)
291 1.58 christos hisctladdr.su_len = len;
292 1.58 christos family = AF_INET;
293 1.58 christos #endif
294 1.58 christos
295 1.1 cgd if (getsockname(s, (struct sockaddr *)&myctladdr, &len) < 0) {
296 1.6 cgd warn("getsockname");
297 1.1 cgd code = -1;
298 1.1 cgd goto bad;
299 1.1 cgd }
300 1.58 christos if (myctladdr.su_len == 0)
301 1.58 christos myctladdr.su_len = len;
302 1.58 christos
303 1.48 itojun #if defined(IPPROTO_IP) && defined(IP_TOS)
304 1.58 christos if (family == AF_INET) {
305 1.53 christos int tos = IPTOS_LOWDELAY;
306 1.48 itojun if (setsockopt(s, IPPROTO_IP, IP_TOS, (char *)&tos,
307 1.48 itojun sizeof(int)) < 0)
308 1.48 itojun warn("setsockopt TOS (ignored)");
309 1.48 itojun }
310 1.1 cgd #endif
311 1.1 cgd cin = fdopen(s, "r");
312 1.1 cgd cout = fdopen(s, "w");
313 1.1 cgd if (cin == NULL || cout == NULL) {
314 1.6 cgd warnx("fdopen failed.");
315 1.1 cgd if (cin)
316 1.23 lukem (void)fclose(cin);
317 1.1 cgd if (cout)
318 1.23 lukem (void)fclose(cout);
319 1.1 cgd code = -1;
320 1.1 cgd goto bad;
321 1.1 cgd }
322 1.1 cgd if (verbose)
323 1.35 lukem fprintf(ttyout, "Connected to %s.\n", hostname);
324 1.1 cgd if (getreply(0) > 2) { /* read startup message from server */
325 1.1 cgd if (cin)
326 1.23 lukem (void)fclose(cin);
327 1.1 cgd if (cout)
328 1.23 lukem (void)fclose(cout);
329 1.1 cgd code = -1;
330 1.1 cgd goto bad;
331 1.1 cgd }
332 1.1 cgd #ifdef SO_OOBINLINE
333 1.1 cgd {
334 1.1 cgd int on = 1;
335 1.1 cgd
336 1.1 cgd if (setsockopt(s, SOL_SOCKET, SO_OOBINLINE, (char *)&on, sizeof(on))
337 1.1 cgd < 0 && debug) {
338 1.6 cgd warn("setsockopt");
339 1.1 cgd }
340 1.1 cgd }
341 1.1 cgd #endif /* SO_OOBINLINE */
342 1.1 cgd
343 1.1 cgd return (hostname);
344 1.1 cgd bad:
345 1.23 lukem (void)close(s);
346 1.31 lukem return (NULL);
347 1.1 cgd }
348 1.1 cgd
349 1.1 cgd void
350 1.23 lukem cmdabort(notused)
351 1.23 lukem int notused;
352 1.1 cgd {
353 1.1 cgd
354 1.22 lukem alarmtimer(0);
355 1.35 lukem putc('\n', ttyout);
356 1.1 cgd abrtflag++;
357 1.1 cgd if (ptflag)
358 1.15 lukem longjmp(ptabort, 1);
359 1.1 cgd }
360 1.1 cgd
361 1.1 cgd /*VARARGS*/
362 1.6 cgd int
363 1.23 lukem #ifdef __STDC__
364 1.23 lukem command(const char *fmt, ...)
365 1.23 lukem #else
366 1.1 cgd command(va_alist)
367 1.23 lukem va_dcl
368 1.23 lukem #endif
369 1.1 cgd {
370 1.1 cgd va_list ap;
371 1.1 cgd int r;
372 1.1 cgd sig_t oldintr;
373 1.23 lukem #ifndef __STDC__
374 1.23 lukem const char *fmt;
375 1.23 lukem #endif
376 1.1 cgd
377 1.1 cgd abrtflag = 0;
378 1.1 cgd if (debug) {
379 1.35 lukem fputs("---> ", ttyout);
380 1.23 lukem #ifdef __STDC__
381 1.23 lukem va_start(ap, fmt);
382 1.23 lukem #else
383 1.1 cgd va_start(ap);
384 1.23 lukem fmt = va_arg(ap, const char *);
385 1.23 lukem #endif
386 1.1 cgd if (strncmp("PASS ", fmt, 5) == 0)
387 1.35 lukem fputs("PASS XXXX", ttyout);
388 1.14 lukem else if (strncmp("ACCT ", fmt, 5) == 0)
389 1.35 lukem fputs("ACCT XXXX", ttyout);
390 1.14 lukem else
391 1.35 lukem vfprintf(ttyout, fmt, ap);
392 1.1 cgd va_end(ap);
393 1.35 lukem putc('\n', ttyout);
394 1.1 cgd }
395 1.1 cgd if (cout == NULL) {
396 1.23 lukem warnx("No control connection for command.");
397 1.1 cgd code = -1;
398 1.1 cgd return (0);
399 1.1 cgd }
400 1.1 cgd oldintr = signal(SIGINT, cmdabort);
401 1.23 lukem #ifdef __STDC__
402 1.23 lukem va_start(ap, fmt);
403 1.23 lukem #else
404 1.1 cgd va_start(ap);
405 1.1 cgd fmt = va_arg(ap, char *);
406 1.23 lukem #endif
407 1.1 cgd vfprintf(cout, fmt, ap);
408 1.1 cgd va_end(ap);
409 1.23 lukem fputs("\r\n", cout);
410 1.23 lukem (void)fflush(cout);
411 1.1 cgd cpend = 1;
412 1.1 cgd r = getreply(!strcmp(fmt, "QUIT"));
413 1.1 cgd if (abrtflag && oldintr != SIG_IGN)
414 1.1 cgd (*oldintr)(SIGINT);
415 1.23 lukem (void)signal(SIGINT, oldintr);
416 1.6 cgd return (r);
417 1.1 cgd }
418 1.1 cgd
419 1.16 lukem char reply_string[BUFSIZ]; /* first line of previous reply */
420 1.1 cgd
421 1.6 cgd int
422 1.1 cgd getreply(expecteof)
423 1.1 cgd int expecteof;
424 1.1 cgd {
425 1.16 lukem char current_line[BUFSIZ]; /* last line of previous reply */
426 1.16 lukem int c, n, line;
427 1.6 cgd int dig;
428 1.1 cgd int originalcode = 0, continuation = 0;
429 1.1 cgd sig_t oldintr;
430 1.1 cgd int pflag = 0;
431 1.6 cgd char *cp, *pt = pasv;
432 1.1 cgd
433 1.1 cgd oldintr = signal(SIGINT, cmdabort);
434 1.16 lukem for (line = 0 ;; line++) {
435 1.1 cgd dig = n = code = 0;
436 1.16 lukem cp = current_line;
437 1.1 cgd while ((c = getc(cin)) != '\n') {
438 1.1 cgd if (c == IAC) { /* handle telnet commands */
439 1.1 cgd switch (c = getc(cin)) {
440 1.1 cgd case WILL:
441 1.1 cgd case WONT:
442 1.1 cgd c = getc(cin);
443 1.1 cgd fprintf(cout, "%c%c%c", IAC, DONT, c);
444 1.23 lukem (void)fflush(cout);
445 1.1 cgd break;
446 1.1 cgd case DO:
447 1.1 cgd case DONT:
448 1.1 cgd c = getc(cin);
449 1.1 cgd fprintf(cout, "%c%c%c", IAC, WONT, c);
450 1.23 lukem (void)fflush(cout);
451 1.1 cgd break;
452 1.1 cgd default:
453 1.1 cgd break;
454 1.1 cgd }
455 1.1 cgd continue;
456 1.1 cgd }
457 1.1 cgd dig++;
458 1.1 cgd if (c == EOF) {
459 1.1 cgd if (expecteof) {
460 1.23 lukem (void)signal(SIGINT, oldintr);
461 1.1 cgd code = 221;
462 1.1 cgd return (0);
463 1.1 cgd }
464 1.1 cgd lostpeer();
465 1.1 cgd if (verbose) {
466 1.35 lukem fputs(
467 1.35 lukem "421 Service not available, remote server has closed connection.\n",
468 1.35 lukem ttyout);
469 1.1 cgd }
470 1.1 cgd code = 421;
471 1.6 cgd return (4);
472 1.1 cgd }
473 1.1 cgd if (c != '\r' && (verbose > 0 ||
474 1.35 lukem ((verbose > -1 && n == '5' && dig > 4) &&
475 1.35 lukem (((!n && c < '5') || (n && n < '5'))
476 1.35 lukem || !retry_connect)))) {
477 1.1 cgd if (proxflag &&
478 1.16 lukem (dig == 1 || (dig == 5 && verbose == 0)))
479 1.35 lukem fprintf(ttyout, "%s:", hostname);
480 1.35 lukem (void)putc(c, ttyout);
481 1.1 cgd }
482 1.1 cgd if (dig < 4 && isdigit(c))
483 1.1 cgd code = code * 10 + (c - '0');
484 1.48 itojun if (!pflag && (code == 227 || code == 228))
485 1.1 cgd pflag = 1;
486 1.48 itojun else if (!pflag && code == 229)
487 1.48 itojun pflag = 100;
488 1.1 cgd if (dig > 4 && pflag == 1 && isdigit(c))
489 1.1 cgd pflag = 2;
490 1.1 cgd if (pflag == 2) {
491 1.1 cgd if (c != '\r' && c != ')')
492 1.1 cgd *pt++ = c;
493 1.1 cgd else {
494 1.1 cgd *pt = '\0';
495 1.1 cgd pflag = 3;
496 1.1 cgd }
497 1.1 cgd }
498 1.48 itojun if (pflag == 100 && c == '(')
499 1.48 itojun pflag = 2;
500 1.1 cgd if (dig == 4 && c == '-') {
501 1.1 cgd if (continuation)
502 1.1 cgd code = 0;
503 1.1 cgd continuation++;
504 1.1 cgd }
505 1.1 cgd if (n == 0)
506 1.1 cgd n = c;
507 1.16 lukem if (cp < ¤t_line[sizeof(current_line) - 1])
508 1.1 cgd *cp++ = c;
509 1.1 cgd }
510 1.35 lukem if (verbose > 0 || ((verbose > -1 && n == '5') &&
511 1.35 lukem (n < '5' || !retry_connect))) {
512 1.35 lukem (void)putc(c, ttyout);
513 1.35 lukem (void)fflush (ttyout);
514 1.1 cgd }
515 1.18 christos if (line == 0) {
516 1.18 christos size_t len = cp - current_line;
517 1.18 christos
518 1.18 christos if (len > sizeof(reply_string))
519 1.18 christos len = sizeof(reply_string);
520 1.18 christos
521 1.23 lukem (void)strncpy(reply_string, current_line, len);
522 1.18 christos reply_string[len] = '\0';
523 1.18 christos }
524 1.1 cgd if (continuation && code != originalcode) {
525 1.1 cgd if (originalcode == 0)
526 1.1 cgd originalcode = code;
527 1.1 cgd continue;
528 1.1 cgd }
529 1.1 cgd *cp = '\0';
530 1.1 cgd if (n != '1')
531 1.1 cgd cpend = 0;
532 1.23 lukem (void)signal(SIGINT, oldintr);
533 1.1 cgd if (code == 421 || originalcode == 421)
534 1.1 cgd lostpeer();
535 1.1 cgd if (abrtflag && oldintr != cmdabort && oldintr != SIG_IGN)
536 1.1 cgd (*oldintr)(SIGINT);
537 1.1 cgd return (n - '0');
538 1.1 cgd }
539 1.1 cgd }
540 1.1 cgd
541 1.45 christos static int
542 1.45 christos empty(cin, din, sec)
543 1.45 christos FILE *cin;
544 1.45 christos FILE *din;
545 1.1 cgd int sec;
546 1.1 cgd {
547 1.45 christos int nr;
548 1.45 christos int nfd = 0;
549 1.45 christos
550 1.45 christos #ifdef __USE_SELECT
551 1.1 cgd struct timeval t;
552 1.45 christos fd_set rmask;
553 1.1 cgd
554 1.45 christos FD_ZERO(&cin);
555 1.45 christos if (cin) {
556 1.45 christos if (nfd < fileno(cin))
557 1.45 christos nfd = fileno(cin);
558 1.45 christos FD_SET(fileno(cin), &rmask);
559 1.45 christos }
560 1.45 christos if (din) {
561 1.45 christos if (nfd < fileno(din))
562 1.45 christos nfd = fileno(din);
563 1.45 christos FD_SET(fileno(din), &rmask);
564 1.45 christos }
565 1.45 christos
566 1.1 cgd t.tv_sec = (long) sec;
567 1.1 cgd t.tv_usec = 0;
568 1.45 christos if ((nr = select(nfd, &rmask, NULL, NULL, &t)) <= 0)
569 1.45 christos return nr;
570 1.45 christos
571 1.45 christos nr = 0;
572 1.45 christos if (cin)
573 1.45 christos nr |= FD_ISSET(fileno(cin), &rmask) ? 1 : 0;
574 1.45 christos if (din)
575 1.45 christos nr |= FD_ISSET(fileno(din), &rmask) ? 2 : 0;
576 1.45 christos
577 1.45 christos #else
578 1.45 christos struct pollfd pfd[2];
579 1.45 christos
580 1.45 christos if (cin) {
581 1.45 christos pfd[nfd].fd = fileno(cin);
582 1.45 christos pfd[nfd++].events = POLLIN;
583 1.45 christos }
584 1.45 christos
585 1.45 christos if (din) {
586 1.45 christos pfd[nfd].fd = fileno(din);
587 1.45 christos pfd[nfd++].events = POLLIN;
588 1.45 christos }
589 1.45 christos
590 1.45 christos if ((nr = poll(pfd, nfd, sec * 1000)) <= 0)
591 1.45 christos return nr;
592 1.45 christos
593 1.45 christos nr = 0;
594 1.45 christos nfd = 0;
595 1.45 christos if (cin)
596 1.45 christos nr |= (pfd[nfd++].revents & POLLIN) ? 1 : 0;
597 1.45 christos if (din)
598 1.45 christos nr |= (pfd[nfd++].revents & POLLIN) ? 2 : 0;
599 1.45 christos #endif
600 1.45 christos return nr;
601 1.1 cgd }
602 1.1 cgd
603 1.1 cgd jmp_buf sendabort;
604 1.1 cgd
605 1.1 cgd void
606 1.23 lukem abortsend(notused)
607 1.23 lukem int notused;
608 1.1 cgd {
609 1.1 cgd
610 1.22 lukem alarmtimer(0);
611 1.1 cgd mflag = 0;
612 1.1 cgd abrtflag = 0;
613 1.35 lukem fputs("\nsend aborted\nwaiting for remote to finish abort.\n", ttyout);
614 1.1 cgd longjmp(sendabort, 1);
615 1.1 cgd }
616 1.1 cgd
617 1.6 cgd void
618 1.1 cgd sendrequest(cmd, local, remote, printnames)
619 1.15 lukem const char *cmd, *local, *remote;
620 1.1 cgd int printnames;
621 1.1 cgd {
622 1.1 cgd struct stat st;
623 1.6 cgd int c, d;
624 1.26 lukem FILE *fin, *dout;
625 1.6 cgd int (*closefunc) __P((FILE *));
626 1.14 lukem sig_t oldinti, oldintr, oldintp;
627 1.26 lukem volatile off_t hashbytes;
628 1.1 cgd char *lmode, buf[BUFSIZ], *bufp;
629 1.23 lukem int oprogress;
630 1.1 cgd
631 1.35 lukem #ifdef __GNUC__ /* to shut up gcc warnings */
632 1.26 lukem (void)&fin;
633 1.26 lukem (void)&dout;
634 1.26 lukem (void)&closefunc;
635 1.26 lukem (void)&oldinti;
636 1.26 lukem (void)&oldintr;
637 1.26 lukem (void)&oldintp;
638 1.26 lukem (void)&lmode;
639 1.26 lukem #endif
640 1.26 lukem
641 1.16 lukem hashbytes = mark;
642 1.14 lukem direction = "sent";
643 1.26 lukem dout = NULL;
644 1.14 lukem bytes = 0;
645 1.16 lukem filesize = -1;
646 1.23 lukem oprogress = progress;
647 1.1 cgd if (verbose && printnames) {
648 1.1 cgd if (local && *local != '-')
649 1.35 lukem fprintf(ttyout, "local: %s ", local);
650 1.1 cgd if (remote)
651 1.35 lukem fprintf(ttyout, "remote: %s\n", remote);
652 1.1 cgd }
653 1.1 cgd if (proxy) {
654 1.1 cgd proxtrans(cmd, local, remote);
655 1.1 cgd return;
656 1.1 cgd }
657 1.1 cgd if (curtype != type)
658 1.1 cgd changetype(type, 0);
659 1.1 cgd closefunc = NULL;
660 1.1 cgd oldintr = NULL;
661 1.1 cgd oldintp = NULL;
662 1.14 lukem oldinti = NULL;
663 1.1 cgd lmode = "w";
664 1.1 cgd if (setjmp(sendabort)) {
665 1.1 cgd while (cpend) {
666 1.23 lukem (void)getreply(0);
667 1.1 cgd }
668 1.1 cgd if (data >= 0) {
669 1.23 lukem (void)close(data);
670 1.1 cgd data = -1;
671 1.1 cgd }
672 1.1 cgd if (oldintr)
673 1.23 lukem (void)signal(SIGINT, oldintr);
674 1.1 cgd if (oldintp)
675 1.23 lukem (void)signal(SIGPIPE, oldintp);
676 1.14 lukem if (oldinti)
677 1.38 lukem (void)xsignal(SIGINFO, oldinti);
678 1.1 cgd code = -1;
679 1.30 lukem goto cleanupsend;
680 1.1 cgd }
681 1.1 cgd oldintr = signal(SIGINT, abortsend);
682 1.38 lukem oldinti = xsignal(SIGINFO, psummary);
683 1.23 lukem if (strcmp(local, "-") == 0) {
684 1.1 cgd fin = stdin;
685 1.23 lukem progress = 0;
686 1.23 lukem } else if (*local == '|') {
687 1.15 lukem oldintp = signal(SIGPIPE, SIG_IGN);
688 1.1 cgd fin = popen(local + 1, "r");
689 1.1 cgd if (fin == NULL) {
690 1.6 cgd warn("%s", local + 1);
691 1.23 lukem (void)signal(SIGINT, oldintr);
692 1.23 lukem (void)signal(SIGPIPE, oldintp);
693 1.38 lukem (void)xsignal(SIGINFO, oldinti);
694 1.1 cgd code = -1;
695 1.30 lukem goto cleanupsend;
696 1.1 cgd }
697 1.23 lukem progress = 0;
698 1.1 cgd closefunc = pclose;
699 1.1 cgd } else {
700 1.1 cgd fin = fopen(local, "r");
701 1.1 cgd if (fin == NULL) {
702 1.6 cgd warn("local: %s", local);
703 1.23 lukem (void)signal(SIGINT, oldintr);
704 1.38 lukem (void)xsignal(SIGINFO, oldinti);
705 1.1 cgd code = -1;
706 1.30 lukem goto cleanupsend;
707 1.1 cgd }
708 1.1 cgd closefunc = fclose;
709 1.29 mycroft if (fstat(fileno(fin), &st) < 0 || !S_ISREG(st.st_mode)) {
710 1.35 lukem fprintf(ttyout, "%s: not a plain file.\n", local);
711 1.23 lukem (void)signal(SIGINT, oldintr);
712 1.38 lukem (void)xsignal(SIGINFO, oldinti);
713 1.1 cgd fclose(fin);
714 1.1 cgd code = -1;
715 1.30 lukem goto cleanupsend;
716 1.1 cgd }
717 1.16 lukem filesize = st.st_size;
718 1.1 cgd }
719 1.1 cgd if (initconn()) {
720 1.23 lukem (void)signal(SIGINT, oldintr);
721 1.38 lukem (void)xsignal(SIGINFO, oldinti);
722 1.1 cgd if (oldintp)
723 1.23 lukem (void)signal(SIGPIPE, oldintp);
724 1.1 cgd code = -1;
725 1.1 cgd if (closefunc != NULL)
726 1.1 cgd (*closefunc)(fin);
727 1.30 lukem goto cleanupsend;
728 1.1 cgd }
729 1.1 cgd if (setjmp(sendabort))
730 1.1 cgd goto abort;
731 1.1 cgd
732 1.1 cgd if (restart_point &&
733 1.1 cgd (strcmp(cmd, "STOR") == 0 || strcmp(cmd, "APPE") == 0)) {
734 1.6 cgd int rc;
735 1.6 cgd
736 1.21 lukem rc = -1;
737 1.6 cgd switch (curtype) {
738 1.6 cgd case TYPE_A:
739 1.6 cgd rc = fseek(fin, (long) restart_point, SEEK_SET);
740 1.6 cgd break;
741 1.6 cgd case TYPE_I:
742 1.6 cgd case TYPE_L:
743 1.6 cgd rc = lseek(fileno(fin), restart_point, SEEK_SET);
744 1.6 cgd break;
745 1.6 cgd }
746 1.6 cgd if (rc < 0) {
747 1.6 cgd warn("local: %s", local);
748 1.1 cgd if (closefunc != NULL)
749 1.1 cgd (*closefunc)(fin);
750 1.30 lukem goto cleanupsend;
751 1.1 cgd }
752 1.33 christos #ifndef NO_QUAD
753 1.30 lukem if (command("REST %qd", (long long) restart_point) !=
754 1.33 christos #else
755 1.33 christos if (command("REST %ld", (long) restart_point) !=
756 1.33 christos #endif
757 1.30 lukem CONTINUE) {
758 1.1 cgd if (closefunc != NULL)
759 1.1 cgd (*closefunc)(fin);
760 1.30 lukem goto cleanupsend;
761 1.1 cgd }
762 1.1 cgd lmode = "r+w";
763 1.1 cgd }
764 1.1 cgd if (remote) {
765 1.1 cgd if (command("%s %s", cmd, remote) != PRELIM) {
766 1.23 lukem (void)signal(SIGINT, oldintr);
767 1.38 lukem (void)xsignal(SIGINFO, oldinti);
768 1.1 cgd if (oldintp)
769 1.23 lukem (void)signal(SIGPIPE, oldintp);
770 1.1 cgd if (closefunc != NULL)
771 1.1 cgd (*closefunc)(fin);
772 1.30 lukem goto cleanupsend;
773 1.1 cgd }
774 1.1 cgd } else
775 1.1 cgd if (command("%s", cmd) != PRELIM) {
776 1.23 lukem (void)signal(SIGINT, oldintr);
777 1.38 lukem (void)xsignal(SIGINFO, oldinti);
778 1.1 cgd if (oldintp)
779 1.23 lukem (void)signal(SIGPIPE, oldintp);
780 1.1 cgd if (closefunc != NULL)
781 1.1 cgd (*closefunc)(fin);
782 1.30 lukem goto cleanupsend;
783 1.1 cgd }
784 1.1 cgd dout = dataconn(lmode);
785 1.1 cgd if (dout == NULL)
786 1.1 cgd goto abort;
787 1.16 lukem progressmeter(-1);
788 1.1 cgd oldintp = signal(SIGPIPE, SIG_IGN);
789 1.1 cgd switch (curtype) {
790 1.1 cgd
791 1.1 cgd case TYPE_I:
792 1.1 cgd case TYPE_L:
793 1.46 lukem while (1) {
794 1.46 lukem struct timeval then, now, td;
795 1.46 lukem off_t bufrem, bufsize;
796 1.46 lukem
797 1.46 lukem bufsize = sizeof(buf);
798 1.46 lukem (void)gettimeofday(&then, NULL);
799 1.46 lukem errno = c = d = 0;
800 1.46 lukem bufrem = rate_put ? rate_put : bufsize;
801 1.46 lukem while (bufrem > 0) {
802 1.46 lukem if ((c = read(fileno(fin), buf,
803 1.46 lukem MIN(bufsize, bufrem))) <= 0)
804 1.46 lukem goto senddone;
805 1.46 lukem bytes += c;
806 1.46 lukem bufrem -= c;
807 1.46 lukem for (bufp = buf; c > 0; c -= d, bufp += d)
808 1.46 lukem if ((d = write(fileno(dout), bufp, c))
809 1.46 lukem <= 0)
810 1.46 lukem break;
811 1.46 lukem if (d < 0)
812 1.46 lukem goto senddone;
813 1.46 lukem if (hash && (!progress || filesize < 0) ) {
814 1.46 lukem while (bytes >= hashbytes) {
815 1.46 lukem (void)putc('#', ttyout);
816 1.46 lukem hashbytes += mark;
817 1.46 lukem }
818 1.46 lukem (void)fflush(ttyout);
819 1.46 lukem }
820 1.46 lukem }
821 1.46 lukem if (rate_put) {
822 1.46 lukem while (1) {
823 1.46 lukem (void)gettimeofday(&now, NULL);
824 1.46 lukem timersub(&now, &then, &td);
825 1.46 lukem if (td.tv_sec > 0)
826 1.46 lukem break;
827 1.46 lukem usleep(1000000 - td.tv_usec);
828 1.1 cgd }
829 1.1 cgd }
830 1.1 cgd }
831 1.46 lukem senddone:
832 1.22 lukem if (hash && (!progress || filesize < 0) && bytes > 0) {
833 1.14 lukem if (bytes < mark)
834 1.35 lukem (void)putc('#', ttyout);
835 1.35 lukem (void)putc('\n', ttyout);
836 1.1 cgd }
837 1.1 cgd if (c < 0)
838 1.6 cgd warn("local: %s", local);
839 1.1 cgd if (d < 0) {
840 1.14 lukem if (errno != EPIPE)
841 1.6 cgd warn("netout");
842 1.1 cgd bytes = -1;
843 1.1 cgd }
844 1.1 cgd break;
845 1.1 cgd
846 1.1 cgd case TYPE_A:
847 1.1 cgd while ((c = getc(fin)) != EOF) {
848 1.1 cgd if (c == '\n') {
849 1.22 lukem while (hash && (!progress || filesize < 0) &&
850 1.16 lukem (bytes >= hashbytes)) {
851 1.35 lukem (void)putc('#', ttyout);
852 1.35 lukem (void)fflush(ttyout);
853 1.14 lukem hashbytes += mark;
854 1.1 cgd }
855 1.1 cgd if (ferror(dout))
856 1.1 cgd break;
857 1.23 lukem (void)putc('\r', dout);
858 1.1 cgd bytes++;
859 1.1 cgd }
860 1.23 lukem (void)putc(c, dout);
861 1.1 cgd bytes++;
862 1.16 lukem #if 0 /* this violates RFC */
863 1.16 lukem if (c == '\r') {
864 1.16 lukem (void)putc('\0', dout);
865 1.16 lukem bytes++;
866 1.16 lukem }
867 1.16 lukem #endif
868 1.1 cgd }
869 1.22 lukem if (hash && (!progress || filesize < 0)) {
870 1.1 cgd if (bytes < hashbytes)
871 1.35 lukem (void)putc('#', ttyout);
872 1.35 lukem (void)putc('\n', ttyout);
873 1.1 cgd }
874 1.1 cgd if (ferror(fin))
875 1.6 cgd warn("local: %s", local);
876 1.1 cgd if (ferror(dout)) {
877 1.1 cgd if (errno != EPIPE)
878 1.6 cgd warn("netout");
879 1.1 cgd bytes = -1;
880 1.1 cgd }
881 1.1 cgd break;
882 1.1 cgd }
883 1.22 lukem progressmeter(1);
884 1.1 cgd if (closefunc != NULL)
885 1.1 cgd (*closefunc)(fin);
886 1.23 lukem (void)fclose(dout);
887 1.23 lukem (void)getreply(0);
888 1.23 lukem (void)signal(SIGINT, oldintr);
889 1.38 lukem (void)xsignal(SIGINFO, oldinti);
890 1.1 cgd if (oldintp)
891 1.23 lukem (void)signal(SIGPIPE, oldintp);
892 1.1 cgd if (bytes > 0)
893 1.16 lukem ptransfer(0);
894 1.30 lukem goto cleanupsend;
895 1.1 cgd abort:
896 1.23 lukem (void)signal(SIGINT, oldintr);
897 1.38 lukem (void)xsignal(SIGINFO, oldinti);
898 1.1 cgd if (oldintp)
899 1.23 lukem (void)signal(SIGPIPE, oldintp);
900 1.1 cgd if (!cpend) {
901 1.1 cgd code = -1;
902 1.1 cgd return;
903 1.1 cgd }
904 1.1 cgd if (data >= 0) {
905 1.23 lukem (void)close(data);
906 1.1 cgd data = -1;
907 1.1 cgd }
908 1.1 cgd if (dout)
909 1.23 lukem (void)fclose(dout);
910 1.23 lukem (void)getreply(0);
911 1.1 cgd code = -1;
912 1.1 cgd if (closefunc != NULL && fin != NULL)
913 1.1 cgd (*closefunc)(fin);
914 1.1 cgd if (bytes > 0)
915 1.16 lukem ptransfer(0);
916 1.30 lukem cleanupsend:
917 1.30 lukem progress = oprogress;
918 1.30 lukem restart_point = 0;
919 1.1 cgd }
920 1.1 cgd
921 1.1 cgd jmp_buf recvabort;
922 1.1 cgd
923 1.1 cgd void
924 1.23 lukem abortrecv(notused)
925 1.23 lukem int notused;
926 1.1 cgd {
927 1.1 cgd
928 1.22 lukem alarmtimer(0);
929 1.1 cgd mflag = 0;
930 1.1 cgd abrtflag = 0;
931 1.35 lukem fputs("\nreceive aborted\nwaiting for remote to finish abort.\n",
932 1.35 lukem ttyout);
933 1.1 cgd longjmp(recvabort, 1);
934 1.1 cgd }
935 1.1 cgd
936 1.6 cgd void
937 1.27 lukem recvrequest(cmd, local, remote, lmode, printnames, ignorespecial)
938 1.15 lukem const char *cmd, *local, *remote, *lmode;
939 1.27 lukem int printnames, ignorespecial;
940 1.1 cgd {
941 1.26 lukem FILE *fout, *din;
942 1.6 cgd int (*closefunc) __P((FILE *));
943 1.14 lukem sig_t oldinti, oldintr, oldintp;
944 1.26 lukem int c, d;
945 1.26 lukem volatile int is_retr, tcrflag, bare_lfs;
946 1.47 lukem static size_t bufsize;
947 1.47 lukem static char *buf;
948 1.26 lukem volatile off_t hashbytes;
949 1.1 cgd struct stat st;
950 1.15 lukem time_t mtime;
951 1.16 lukem struct timeval tval[2];
952 1.23 lukem int oprogress;
953 1.24 lukem int opreserve;
954 1.1 cgd
955 1.35 lukem #ifdef __GNUC__ /* to shut up gcc warnings */
956 1.26 lukem (void)&local;
957 1.26 lukem (void)&fout;
958 1.26 lukem (void)&din;
959 1.26 lukem (void)&closefunc;
960 1.26 lukem (void)&oldinti;
961 1.26 lukem (void)&oldintr;
962 1.26 lukem (void)&oldintp;
963 1.26 lukem #endif
964 1.26 lukem
965 1.26 lukem fout = NULL;
966 1.26 lukem din = NULL;
967 1.26 lukem oldinti = NULL;
968 1.16 lukem hashbytes = mark;
969 1.14 lukem direction = "received";
970 1.14 lukem bytes = 0;
971 1.26 lukem bare_lfs = 0;
972 1.16 lukem filesize = -1;
973 1.23 lukem oprogress = progress;
974 1.24 lukem opreserve = preserve;
975 1.30 lukem is_retr = (strcmp(cmd, "RETR") == 0);
976 1.1 cgd if (is_retr && verbose && printnames) {
977 1.27 lukem if (local && (ignorespecial || *local != '-'))
978 1.35 lukem fprintf(ttyout, "local: %s ", local);
979 1.1 cgd if (remote)
980 1.35 lukem fprintf(ttyout, "remote: %s\n", remote);
981 1.1 cgd }
982 1.1 cgd if (proxy && is_retr) {
983 1.1 cgd proxtrans(cmd, local, remote);
984 1.1 cgd return;
985 1.1 cgd }
986 1.1 cgd closefunc = NULL;
987 1.1 cgd oldintr = NULL;
988 1.1 cgd oldintp = NULL;
989 1.1 cgd tcrflag = !crflag && is_retr;
990 1.1 cgd if (setjmp(recvabort)) {
991 1.1 cgd while (cpend) {
992 1.23 lukem (void)getreply(0);
993 1.1 cgd }
994 1.1 cgd if (data >= 0) {
995 1.23 lukem (void)close(data);
996 1.1 cgd data = -1;
997 1.1 cgd }
998 1.1 cgd if (oldintr)
999 1.23 lukem (void)signal(SIGINT, oldintr);
1000 1.14 lukem if (oldinti)
1001 1.38 lukem (void)xsignal(SIGINFO, oldinti);
1002 1.23 lukem progress = oprogress;
1003 1.24 lukem preserve = opreserve;
1004 1.1 cgd code = -1;
1005 1.1 cgd return;
1006 1.1 cgd }
1007 1.1 cgd oldintr = signal(SIGINT, abortrecv);
1008 1.38 lukem oldinti = xsignal(SIGINFO, psummary);
1009 1.27 lukem if (ignorespecial || (strcmp(local, "-") && *local != '|')) {
1010 1.28 lukem if (access(local, W_OK) < 0) {
1011 1.6 cgd char *dir = strrchr(local, '/');
1012 1.1 cgd
1013 1.1 cgd if (errno != ENOENT && errno != EACCES) {
1014 1.6 cgd warn("local: %s", local);
1015 1.23 lukem (void)signal(SIGINT, oldintr);
1016 1.38 lukem (void)xsignal(SIGINFO, oldinti);
1017 1.1 cgd code = -1;
1018 1.1 cgd return;
1019 1.1 cgd }
1020 1.1 cgd if (dir != NULL)
1021 1.1 cgd *dir = 0;
1022 1.46 lukem d = access(dir == local ? "/" :
1023 1.46 lukem dir ? local : ".", W_OK);
1024 1.1 cgd if (dir != NULL)
1025 1.1 cgd *dir = '/';
1026 1.1 cgd if (d < 0) {
1027 1.6 cgd warn("local: %s", local);
1028 1.23 lukem (void)signal(SIGINT, oldintr);
1029 1.38 lukem (void)xsignal(SIGINFO, oldinti);
1030 1.1 cgd code = -1;
1031 1.1 cgd return;
1032 1.1 cgd }
1033 1.1 cgd if (!runique && errno == EACCES &&
1034 1.35 lukem chmod(local, (S_IRUSR|S_IWUSR)) < 0) {
1035 1.6 cgd warn("local: %s", local);
1036 1.23 lukem (void)signal(SIGINT, oldintr);
1037 1.38 lukem (void)xsignal(SIGINFO, oldinti);
1038 1.1 cgd code = -1;
1039 1.1 cgd return;
1040 1.1 cgd }
1041 1.1 cgd if (runique && errno == EACCES &&
1042 1.1 cgd (local = gunique(local)) == NULL) {
1043 1.23 lukem (void)signal(SIGINT, oldintr);
1044 1.38 lukem (void)xsignal(SIGINFO, oldinti);
1045 1.1 cgd code = -1;
1046 1.1 cgd return;
1047 1.1 cgd }
1048 1.1 cgd }
1049 1.1 cgd else if (runique && (local = gunique(local)) == NULL) {
1050 1.23 lukem (void)signal(SIGINT, oldintr);
1051 1.38 lukem (void)xsignal(SIGINFO, oldinti);
1052 1.1 cgd code = -1;
1053 1.1 cgd return;
1054 1.1 cgd }
1055 1.1 cgd }
1056 1.1 cgd if (!is_retr) {
1057 1.1 cgd if (curtype != TYPE_A)
1058 1.1 cgd changetype(TYPE_A, 0);
1059 1.16 lukem } else {
1060 1.16 lukem if (curtype != type)
1061 1.16 lukem changetype(type, 0);
1062 1.19 lukem filesize = remotesize(remote, 0);
1063 1.16 lukem }
1064 1.1 cgd if (initconn()) {
1065 1.23 lukem (void)signal(SIGINT, oldintr);
1066 1.38 lukem (void)xsignal(SIGINFO, oldinti);
1067 1.1 cgd code = -1;
1068 1.1 cgd return;
1069 1.1 cgd }
1070 1.1 cgd if (setjmp(recvabort))
1071 1.1 cgd goto abort;
1072 1.1 cgd if (is_retr && restart_point &&
1073 1.33 christos #ifndef NO_QUAD
1074 1.30 lukem command("REST %qd", (long long) restart_point) != CONTINUE)
1075 1.33 christos #else
1076 1.33 christos command("REST %ld", (long) restart_point) != CONTINUE)
1077 1.33 christos #endif
1078 1.1 cgd return;
1079 1.1 cgd if (remote) {
1080 1.1 cgd if (command("%s %s", cmd, remote) != PRELIM) {
1081 1.23 lukem (void)signal(SIGINT, oldintr);
1082 1.38 lukem (void)xsignal(SIGINFO, oldinti);
1083 1.1 cgd return;
1084 1.1 cgd }
1085 1.1 cgd } else {
1086 1.1 cgd if (command("%s", cmd) != PRELIM) {
1087 1.23 lukem (void)signal(SIGINT, oldintr);
1088 1.38 lukem (void)xsignal(SIGINFO, oldinti);
1089 1.1 cgd return;
1090 1.1 cgd }
1091 1.1 cgd }
1092 1.1 cgd din = dataconn("r");
1093 1.1 cgd if (din == NULL)
1094 1.1 cgd goto abort;
1095 1.27 lukem if (!ignorespecial && strcmp(local, "-") == 0) {
1096 1.1 cgd fout = stdout;
1097 1.23 lukem progress = 0;
1098 1.24 lukem preserve = 0;
1099 1.27 lukem } else if (!ignorespecial && *local == '|') {
1100 1.1 cgd oldintp = signal(SIGPIPE, SIG_IGN);
1101 1.1 cgd fout = popen(local + 1, "w");
1102 1.1 cgd if (fout == NULL) {
1103 1.6 cgd warn("%s", local+1);
1104 1.1 cgd goto abort;
1105 1.1 cgd }
1106 1.23 lukem progress = 0;
1107 1.24 lukem preserve = 0;
1108 1.1 cgd closefunc = pclose;
1109 1.1 cgd } else {
1110 1.1 cgd fout = fopen(local, lmode);
1111 1.1 cgd if (fout == NULL) {
1112 1.6 cgd warn("local: %s", local);
1113 1.1 cgd goto abort;
1114 1.1 cgd }
1115 1.1 cgd closefunc = fclose;
1116 1.1 cgd }
1117 1.46 lukem
1118 1.46 lukem /*
1119 1.46 lukem * XXX: look at punting and just using sndbuf_* for
1120 1.46 lukem * the buffer size, since st.st_blksize ~= 512
1121 1.46 lukem * and BUFSIZ ~= 4K
1122 1.46 lukem */
1123 1.1 cgd if (fstat(fileno(fout), &st) < 0 || st.st_blksize == 0)
1124 1.1 cgd st.st_blksize = BUFSIZ;
1125 1.1 cgd if (st.st_blksize > bufsize) {
1126 1.1 cgd if (buf)
1127 1.23 lukem (void)free(buf);
1128 1.1 cgd bufsize = st.st_blksize;
1129 1.37 lukem buf = xmalloc(bufsize);
1130 1.1 cgd }
1131 1.29 mycroft if (!S_ISREG(st.st_mode)) {
1132 1.24 lukem progress = 0;
1133 1.24 lukem preserve = 0;
1134 1.24 lukem }
1135 1.16 lukem progressmeter(-1);
1136 1.1 cgd switch (curtype) {
1137 1.1 cgd
1138 1.1 cgd case TYPE_I:
1139 1.1 cgd case TYPE_L:
1140 1.30 lukem if (is_retr && restart_point &&
1141 1.6 cgd lseek(fileno(fout), restart_point, SEEK_SET) < 0) {
1142 1.6 cgd warn("local: %s", local);
1143 1.23 lukem progress = oprogress;
1144 1.24 lukem preserve = opreserve;
1145 1.1 cgd if (closefunc != NULL)
1146 1.1 cgd (*closefunc)(fout);
1147 1.1 cgd return;
1148 1.1 cgd }
1149 1.46 lukem while (1) {
1150 1.46 lukem struct timeval then, now, td;
1151 1.46 lukem off_t bufrem;
1152 1.46 lukem
1153 1.46 lukem (void)gettimeofday(&then, NULL);
1154 1.46 lukem errno = c = d = 0;
1155 1.46 lukem bufrem = rate_get ? rate_get : bufsize;
1156 1.46 lukem while (bufrem > 0) {
1157 1.46 lukem if ((c = read(fileno(din), buf,
1158 1.46 lukem MIN(bufsize, bufrem))) <= 0)
1159 1.46 lukem goto recvdone;
1160 1.46 lukem bytes += c;
1161 1.46 lukem bufrem -=c;
1162 1.46 lukem if ((d = write(fileno(fout), buf, c)) != c)
1163 1.46 lukem goto recvdone;
1164 1.46 lukem if (hash && (!progress || filesize < 0)) {
1165 1.46 lukem while (bytes >= hashbytes) {
1166 1.46 lukem (void)putc('#', ttyout);
1167 1.46 lukem hashbytes += mark;
1168 1.46 lukem }
1169 1.46 lukem (void)fflush(ttyout);
1170 1.46 lukem }
1171 1.46 lukem }
1172 1.46 lukem if (rate_get) {
1173 1.46 lukem while (1) {
1174 1.46 lukem (void)gettimeofday(&now, NULL);
1175 1.46 lukem timersub(&now, &then, &td);
1176 1.46 lukem if (td.tv_sec > 0)
1177 1.46 lukem break;
1178 1.46 lukem usleep(1000000 - td.tv_usec);
1179 1.1 cgd }
1180 1.1 cgd }
1181 1.1 cgd }
1182 1.46 lukem recvdone:
1183 1.22 lukem if (hash && (!progress || filesize < 0) && bytes > 0) {
1184 1.14 lukem if (bytes < mark)
1185 1.35 lukem (void)putc('#', ttyout);
1186 1.35 lukem (void)putc('\n', ttyout);
1187 1.1 cgd }
1188 1.1 cgd if (c < 0) {
1189 1.1 cgd if (errno != EPIPE)
1190 1.6 cgd warn("netin");
1191 1.1 cgd bytes = -1;
1192 1.1 cgd }
1193 1.1 cgd if (d < c) {
1194 1.1 cgd if (d < 0)
1195 1.6 cgd warn("local: %s", local);
1196 1.1 cgd else
1197 1.6 cgd warnx("%s: short write", local);
1198 1.1 cgd }
1199 1.1 cgd break;
1200 1.1 cgd
1201 1.1 cgd case TYPE_A:
1202 1.30 lukem if (is_retr && restart_point) {
1203 1.30 lukem int ch;
1204 1.30 lukem long i, n;
1205 1.1 cgd
1206 1.6 cgd if (fseek(fout, 0L, SEEK_SET) < 0)
1207 1.1 cgd goto done;
1208 1.30 lukem n = (long)restart_point;
1209 1.1 cgd for (i = 0; i++ < n;) {
1210 1.1 cgd if ((ch = getc(fout)) == EOF)
1211 1.1 cgd goto done;
1212 1.1 cgd if (ch == '\n')
1213 1.1 cgd i++;
1214 1.1 cgd }
1215 1.6 cgd if (fseek(fout, 0L, SEEK_CUR) < 0) {
1216 1.1 cgd done:
1217 1.6 cgd warn("local: %s", local);
1218 1.23 lukem progress = oprogress;
1219 1.24 lukem preserve = opreserve;
1220 1.1 cgd if (closefunc != NULL)
1221 1.1 cgd (*closefunc)(fout);
1222 1.1 cgd return;
1223 1.1 cgd }
1224 1.1 cgd }
1225 1.1 cgd while ((c = getc(din)) != EOF) {
1226 1.1 cgd if (c == '\n')
1227 1.1 cgd bare_lfs++;
1228 1.1 cgd while (c == '\r') {
1229 1.22 lukem while (hash && (!progress || filesize < 0) &&
1230 1.16 lukem (bytes >= hashbytes)) {
1231 1.35 lukem (void)putc('#', ttyout);
1232 1.35 lukem (void)fflush(ttyout);
1233 1.14 lukem hashbytes += mark;
1234 1.1 cgd }
1235 1.1 cgd bytes++;
1236 1.1 cgd if ((c = getc(din)) != '\n' || tcrflag) {
1237 1.1 cgd if (ferror(fout))
1238 1.1 cgd goto break2;
1239 1.23 lukem (void)putc('\r', fout);
1240 1.1 cgd if (c == '\0') {
1241 1.1 cgd bytes++;
1242 1.1 cgd goto contin2;
1243 1.1 cgd }
1244 1.1 cgd if (c == EOF)
1245 1.1 cgd goto contin2;
1246 1.1 cgd }
1247 1.1 cgd }
1248 1.23 lukem (void)putc(c, fout);
1249 1.1 cgd bytes++;
1250 1.1 cgd contin2: ;
1251 1.1 cgd }
1252 1.1 cgd break2:
1253 1.22 lukem if (hash && (!progress || filesize < 0)) {
1254 1.1 cgd if (bytes < hashbytes)
1255 1.35 lukem (void)putc('#', ttyout);
1256 1.35 lukem (void)putc('\n', ttyout);
1257 1.1 cgd }
1258 1.1 cgd if (ferror(din)) {
1259 1.1 cgd if (errno != EPIPE)
1260 1.6 cgd warn("netin");
1261 1.1 cgd bytes = -1;
1262 1.1 cgd }
1263 1.1 cgd if (ferror(fout))
1264 1.6 cgd warn("local: %s", local);
1265 1.1 cgd break;
1266 1.1 cgd }
1267 1.22 lukem progressmeter(1);
1268 1.1 cgd if (closefunc != NULL)
1269 1.1 cgd (*closefunc)(fout);
1270 1.23 lukem (void)signal(SIGINT, oldintr);
1271 1.38 lukem (void)xsignal(SIGINFO, oldinti);
1272 1.1 cgd if (oldintp)
1273 1.23 lukem (void)signal(SIGPIPE, oldintp);
1274 1.23 lukem (void)fclose(din);
1275 1.23 lukem (void)getreply(0);
1276 1.43 lukem if (bare_lfs) {
1277 1.43 lukem fprintf(ttyout,
1278 1.43 lukem "WARNING! %d bare linefeeds received in ASCII mode.\n",
1279 1.43 lukem bare_lfs);
1280 1.43 lukem fputs("File may not have transferred correctly.\n", ttyout);
1281 1.43 lukem }
1282 1.19 lukem if (bytes >= 0 && is_retr) {
1283 1.19 lukem if (bytes > 0)
1284 1.19 lukem ptransfer(0);
1285 1.15 lukem if (preserve && (closefunc == fclose)) {
1286 1.19 lukem mtime = remotemodtime(remote, 0);
1287 1.15 lukem if (mtime != -1) {
1288 1.31 lukem (void)gettimeofday(&tval[0], NULL);
1289 1.16 lukem tval[1].tv_sec = mtime;
1290 1.16 lukem tval[1].tv_usec = 0;
1291 1.16 lukem if (utimes(local, tval) == -1) {
1292 1.35 lukem fprintf(ttyout,
1293 1.23 lukem "Can't change modification time on %s to %s",
1294 1.23 lukem local, asctime(localtime(&mtime)));
1295 1.15 lukem }
1296 1.15 lukem }
1297 1.15 lukem }
1298 1.15 lukem }
1299 1.34 pk progress = oprogress;
1300 1.34 pk preserve = opreserve;
1301 1.1 cgd return;
1302 1.23 lukem
1303 1.1 cgd abort:
1304 1.1 cgd
1305 1.42 lukem /* abort using RFC 959 recommended IP,SYNC sequence */
1306 1.1 cgd
1307 1.23 lukem progress = oprogress;
1308 1.24 lukem preserve = opreserve;
1309 1.1 cgd if (oldintp)
1310 1.23 lukem (void)signal(SIGPIPE, oldintp);
1311 1.23 lukem (void)signal(SIGINT, SIG_IGN);
1312 1.1 cgd if (!cpend) {
1313 1.1 cgd code = -1;
1314 1.23 lukem (void)signal(SIGINT, oldintr);
1315 1.38 lukem (void)xsignal(SIGINFO, oldinti);
1316 1.1 cgd return;
1317 1.1 cgd }
1318 1.1 cgd
1319 1.1 cgd abort_remote(din);
1320 1.1 cgd code = -1;
1321 1.1 cgd if (data >= 0) {
1322 1.23 lukem (void)close(data);
1323 1.1 cgd data = -1;
1324 1.1 cgd }
1325 1.1 cgd if (closefunc != NULL && fout != NULL)
1326 1.1 cgd (*closefunc)(fout);
1327 1.1 cgd if (din)
1328 1.23 lukem (void)fclose(din);
1329 1.1 cgd if (bytes > 0)
1330 1.16 lukem ptransfer(0);
1331 1.23 lukem (void)signal(SIGINT, oldintr);
1332 1.38 lukem (void)xsignal(SIGINFO, oldinti);
1333 1.1 cgd }
1334 1.1 cgd
1335 1.1 cgd /*
1336 1.1 cgd * Need to start a listen on the data channel before we send the command,
1337 1.1 cgd * otherwise the server's connect may fail.
1338 1.1 cgd */
1339 1.6 cgd int
1340 1.1 cgd initconn()
1341 1.1 cgd {
1342 1.6 cgd char *p, *a;
1343 1.1 cgd int result, len, tmpno = 0;
1344 1.1 cgd int on = 1;
1345 1.48 itojun int error;
1346 1.48 itojun u_int addr[16], port[2];
1347 1.48 itojun u_int af, hal, pal;
1348 1.48 itojun char *pasvcmd = NULL;
1349 1.8 cgd
1350 1.35 lukem reinit:
1351 1.8 cgd if (passivemode) {
1352 1.48 itojun data_addr = myctladdr;
1353 1.48 itojun data = socket(data_addr.su_family, SOCK_STREAM, 0);
1354 1.8 cgd if (data < 0) {
1355 1.19 lukem warn("socket");
1356 1.21 lukem return (1);
1357 1.8 cgd }
1358 1.8 cgd if ((options & SO_DEBUG) &&
1359 1.8 cgd setsockopt(data, SOL_SOCKET, SO_DEBUG, (char *)&on,
1360 1.23 lukem sizeof(on)) < 0)
1361 1.19 lukem warn("setsockopt (ignored)");
1362 1.54 itojun result = COMPLETE + 1;
1363 1.48 itojun switch (data_addr.su_family) {
1364 1.48 itojun case AF_INET:
1365 1.55 itojun if (epsv4) {
1366 1.54 itojun result = command(pasvcmd = "EPSV");
1367 1.55 itojun /*
1368 1.55 itojun * this code is to be friendly with broken
1369 1.55 itojun * BSDI ftpd
1370 1.55 itojun */
1371 1.56 itojun if (code / 10 == 22 && code != 229) {
1372 1.55 itojun fputs(
1373 1.55 itojun "wrong server: return code must be 229\n",
1374 1.55 itojun ttyout);
1375 1.55 itojun result = COMPLETE + 1;
1376 1.55 itojun }
1377 1.55 itojun }
1378 1.48 itojun if (result != COMPLETE)
1379 1.48 itojun result = command(pasvcmd = "PASV");
1380 1.48 itojun break;
1381 1.48 itojun case AF_INET6:
1382 1.48 itojun result = command(pasvcmd = "EPSV");
1383 1.55 itojun /* this code is to be friendly with broken BSDI ftpd */
1384 1.56 itojun if (code / 10 == 22 && code != 229) {
1385 1.55 itojun fputs(
1386 1.55 itojun "wrong server: return code must be 229\n",
1387 1.55 itojun ttyout);
1388 1.55 itojun result = COMPLETE + 1;
1389 1.55 itojun }
1390 1.48 itojun if (result != COMPLETE)
1391 1.48 itojun result = command(pasvcmd = "LPSV");
1392 1.48 itojun break;
1393 1.48 itojun default:
1394 1.57 itojun result = COMPLETE + 1;
1395 1.54 itojun break;
1396 1.48 itojun }
1397 1.48 itojun if (result != COMPLETE) {
1398 1.35 lukem if (activefallback) {
1399 1.35 lukem (void)close(data);
1400 1.35 lukem data = -1;
1401 1.35 lukem passivemode = 0;
1402 1.35 lukem activefallback = 0;
1403 1.35 lukem goto reinit;
1404 1.35 lukem }
1405 1.35 lukem fputs("Passive mode refused.\n", ttyout);
1406 1.8 cgd goto bad;
1407 1.8 cgd }
1408 1.8 cgd
1409 1.48 itojun #define pack2(var, off) \
1410 1.48 itojun (((var[(off) + 0] & 0xff) << 8) | ((var[(off) + 1] & 0xff) << 0))
1411 1.48 itojun #define pack4(var, off) \
1412 1.48 itojun (((var[(off) + 0] & 0xff) << 24) | ((var[(off) + 1] & 0xff) << 16) | \
1413 1.48 itojun ((var[(off) + 2] & 0xff) << 8) | ((var[(off) + 3] & 0xff) << 0))
1414 1.48 itojun
1415 1.8 cgd /*
1416 1.48 itojun * What we've got at this point is a string of comma separated
1417 1.48 itojun * one-byte unsigned integer values, separated by commas.
1418 1.8 cgd */
1419 1.55 itojun if (strcmp(pasvcmd, "PASV") == 0) {
1420 1.55 itojun if (data_addr.su_family != AF_INET) {
1421 1.55 itojun fputs(
1422 1.55 itojun "Passive mode AF mismatch. Shouldn't happen!\n", ttyout);
1423 1.55 itojun error = 1;
1424 1.55 itojun goto bad;
1425 1.55 itojun }
1426 1.56 itojun if (code / 10 == 22 && code != 227) {
1427 1.55 itojun fputs("wrong server: return code must be 227\n",
1428 1.55 itojun ttyout);
1429 1.55 itojun error = 1;
1430 1.55 itojun goto bad;
1431 1.55 itojun }
1432 1.55 itojun error = sscanf(pasv, "%u,%u,%u,%u,%u,%u",
1433 1.55 itojun &addr[0], &addr[1], &addr[2], &addr[3],
1434 1.55 itojun &port[0], &port[1]);
1435 1.55 itojun if (error != 6) {
1436 1.55 itojun fputs(
1437 1.55 itojun "Passive mode address scan failure. Shouldn't happen!\n", ttyout);
1438 1.55 itojun error = 1;
1439 1.55 itojun goto bad;
1440 1.55 itojun }
1441 1.55 itojun error = 0;
1442 1.55 itojun memset(&data_addr, 0, sizeof(data_addr));
1443 1.55 itojun data_addr.su_family = AF_INET;
1444 1.55 itojun data_addr.su_len = sizeof(struct sockaddr_in);
1445 1.55 itojun data_addr.su_sin.sin_addr.s_addr =
1446 1.55 itojun htonl(pack4(addr, 0));
1447 1.55 itojun data_addr.su_port = htons(pack2(port, 0));
1448 1.55 itojun } else if (strcmp(pasvcmd, "LPSV") == 0) {
1449 1.56 itojun if (code / 10 == 22 && code != 228) {
1450 1.55 itojun fputs("wrong server: return code must be 228\n",
1451 1.55 itojun ttyout);
1452 1.55 itojun error = 1;
1453 1.55 itojun goto bad;
1454 1.55 itojun }
1455 1.48 itojun switch (data_addr.su_family) {
1456 1.48 itojun case AF_INET:
1457 1.55 itojun error = sscanf(pasv,
1458 1.55 itojun "%u,%u,%u,%u,%u,%u,%u,%u,%u",
1459 1.57 itojun &af, &hal,
1460 1.55 itojun &addr[0], &addr[1], &addr[2], &addr[3],
1461 1.55 itojun &pal, &port[0], &port[1]);
1462 1.57 itojun if (error != 9) {
1463 1.55 itojun fputs(
1464 1.57 itojun "Passive mode address scan failure. Shouldn't happen!\n", ttyout);
1465 1.55 itojun error = 1;
1466 1.55 itojun goto bad;
1467 1.55 itojun }
1468 1.57 itojun if (af != 4 || hal != 4 || pal != 2) {
1469 1.48 itojun fputs(
1470 1.57 itojun "Passive mode AF mismatch. Shouldn't happen!\n", ttyout);
1471 1.48 itojun error = 1;
1472 1.48 itojun goto bad;
1473 1.48 itojun }
1474 1.57 itojun
1475 1.48 itojun error = 0;
1476 1.48 itojun memset(&data_addr, 0, sizeof(data_addr));
1477 1.48 itojun data_addr.su_family = AF_INET;
1478 1.48 itojun data_addr.su_len = sizeof(struct sockaddr_in);
1479 1.48 itojun data_addr.su_sin.sin_addr.s_addr =
1480 1.48 itojun htonl(pack4(addr, 0));
1481 1.48 itojun data_addr.su_port = htons(pack2(port, 0));
1482 1.48 itojun break;
1483 1.48 itojun case AF_INET6:
1484 1.48 itojun error = sscanf(pasv,
1485 1.48 itojun "%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u",
1486 1.48 itojun &af, &hal,
1487 1.48 itojun &addr[0], &addr[1], &addr[2], &addr[3],
1488 1.48 itojun &addr[4], &addr[5], &addr[6], &addr[7],
1489 1.48 itojun &addr[8], &addr[9], &addr[10],
1490 1.48 itojun &addr[11], &addr[12], &addr[13],
1491 1.48 itojun &addr[14], &addr[15],
1492 1.48 itojun &pal, &port[0], &port[1]);
1493 1.57 itojun if (error != 21) {
1494 1.48 itojun fputs(
1495 1.57 itojun "Passive mode address scan failure. Shouldn't happen!\n", ttyout);
1496 1.48 itojun error = 1;
1497 1.48 itojun goto bad;
1498 1.48 itojun }
1499 1.57 itojun if (af != 6 || hal != 16 || pal != 2) {
1500 1.48 itojun fputs(
1501 1.57 itojun "Passive mode AF mismatch. Shouldn't happen!\n", ttyout);
1502 1.48 itojun error = 1;
1503 1.48 itojun goto bad;
1504 1.48 itojun }
1505 1.8 cgd
1506 1.48 itojun error = 0;
1507 1.48 itojun memset(&data_addr, 0, sizeof(data_addr));
1508 1.48 itojun data_addr.su_family = AF_INET6;
1509 1.48 itojun data_addr.su_len = sizeof(struct sockaddr_in6);
1510 1.48 itojun data_addr.su_sin6.sin6_addr.s6_addr32[0] =
1511 1.48 itojun htonl(pack4(addr, 0));
1512 1.48 itojun data_addr.su_sin6.sin6_addr.s6_addr32[1] =
1513 1.48 itojun htonl(pack4(addr, 4));
1514 1.48 itojun data_addr.su_sin6.sin6_addr.s6_addr32[2] =
1515 1.48 itojun htonl(pack4(addr, 8));
1516 1.48 itojun data_addr.su_sin6.sin6_addr.s6_addr32[3] =
1517 1.48 itojun htonl(pack4(addr, 12));
1518 1.48 itojun data_addr.su_port = htons(pack2(port, 0));
1519 1.48 itojun break;
1520 1.48 itojun default:
1521 1.48 itojun error = 1;
1522 1.48 itojun }
1523 1.48 itojun } else if (strcmp(pasvcmd, "EPSV") == 0) {
1524 1.48 itojun char delim[4];
1525 1.48 itojun
1526 1.48 itojun port[0] = 0;
1527 1.56 itojun if (code / 10 == 22 && code != 229) {
1528 1.55 itojun fputs("wrong server: return code must be 229\n",
1529 1.55 itojun ttyout);
1530 1.55 itojun error = 1;
1531 1.55 itojun goto bad;
1532 1.55 itojun }
1533 1.48 itojun if (sscanf(pasv, "%c%c%c%d%c", &delim[0],
1534 1.48 itojun &delim[1], &delim[2], &port[1],
1535 1.48 itojun &delim[3]) != 5) {
1536 1.57 itojun fputs("parse error!\n", ttyout);
1537 1.57 itojun error = 1;
1538 1.48 itojun goto bad;
1539 1.48 itojun }
1540 1.48 itojun if (delim[0] != delim[1] || delim[0] != delim[2]
1541 1.48 itojun || delim[0] != delim[3]) {
1542 1.57 itojun fputs("parse error!\n", ttyout);
1543 1.57 itojun error = 1;
1544 1.48 itojun goto bad;
1545 1.48 itojun }
1546 1.48 itojun data_addr = hisctladdr;
1547 1.48 itojun data_addr.su_port = htons(port[1]);
1548 1.48 itojun } else
1549 1.8 cgd goto bad;
1550 1.8 cgd
1551 1.36 thorpej while (xconnect(data, (struct sockaddr *)&data_addr,
1552 1.48 itojun data_addr.su_len) < 0) {
1553 1.35 lukem if (errno == EINTR)
1554 1.35 lukem continue;
1555 1.39 lukem if (activefallback) {
1556 1.39 lukem (void)close(data);
1557 1.39 lukem data = -1;
1558 1.39 lukem passivemode = 0;
1559 1.39 lukem activefallback = 0;
1560 1.39 lukem goto reinit;
1561 1.39 lukem }
1562 1.19 lukem warn("connect");
1563 1.8 cgd goto bad;
1564 1.8 cgd }
1565 1.48 itojun #if defined(IPPROTO_IP) && defined(IP_TOS)
1566 1.48 itojun if (data_addr.su_family == AF_INET) {
1567 1.48 itojun on = IPTOS_THROUGHPUT;
1568 1.48 itojun if (setsockopt(data, IPPROTO_IP, IP_TOS, (char *)&on,
1569 1.48 itojun sizeof(int)) < 0)
1570 1.48 itojun warn("setsockopt TOS (ignored)");
1571 1.48 itojun }
1572 1.8 cgd #endif
1573 1.21 lukem return (0);
1574 1.8 cgd }
1575 1.1 cgd
1576 1.1 cgd noport:
1577 1.1 cgd data_addr = myctladdr;
1578 1.1 cgd if (sendport)
1579 1.48 itojun data_addr.su_port = 0; /* let system pick one */
1580 1.1 cgd if (data != -1)
1581 1.23 lukem (void)close(data);
1582 1.48 itojun data = socket(data_addr.su_family, SOCK_STREAM, 0);
1583 1.1 cgd if (data < 0) {
1584 1.6 cgd warn("socket");
1585 1.1 cgd if (tmpno)
1586 1.1 cgd sendport = 1;
1587 1.1 cgd return (1);
1588 1.1 cgd }
1589 1.1 cgd if (!sendport)
1590 1.15 lukem if (setsockopt(data, SOL_SOCKET, SO_REUSEADDR, (char *)&on,
1591 1.23 lukem sizeof(on)) < 0) {
1592 1.6 cgd warn("setsockopt (reuse address)");
1593 1.1 cgd goto bad;
1594 1.1 cgd }
1595 1.48 itojun if (bind(data, (struct sockaddr *)&data_addr, data_addr.su_len) < 0) {
1596 1.6 cgd warn("bind");
1597 1.1 cgd goto bad;
1598 1.1 cgd }
1599 1.1 cgd if (options & SO_DEBUG &&
1600 1.15 lukem setsockopt(data, SOL_SOCKET, SO_DEBUG, (char *)&on,
1601 1.23 lukem sizeof(on)) < 0)
1602 1.6 cgd warn("setsockopt (ignored)");
1603 1.23 lukem len = sizeof(data_addr);
1604 1.1 cgd if (getsockname(data, (struct sockaddr *)&data_addr, &len) < 0) {
1605 1.6 cgd warn("getsockname");
1606 1.1 cgd goto bad;
1607 1.1 cgd }
1608 1.36 thorpej if (xlisten(data, 1) < 0)
1609 1.6 cgd warn("listen");
1610 1.48 itojun
1611 1.48 itojun #define UC(b) (((int)b)&0xff)
1612 1.48 itojun
1613 1.1 cgd if (sendport) {
1614 1.58 christos #ifdef INET6
1615 1.48 itojun char hname[INET6_ADDRSTRLEN];
1616 1.48 itojun int af;
1617 1.58 christos #endif
1618 1.48 itojun
1619 1.48 itojun switch (data_addr.su_family) {
1620 1.48 itojun case AF_INET:
1621 1.54 itojun if (!epsv4) {
1622 1.54 itojun result = COMPLETE + 1;
1623 1.54 itojun break;
1624 1.54 itojun }
1625 1.54 itojun /* FALLTHROUGH */
1626 1.58 christos #ifdef INET6
1627 1.48 itojun case AF_INET6:
1628 1.48 itojun af = (data_addr.su_family == AF_INET) ? 1 : 2;
1629 1.48 itojun if (getnameinfo((struct sockaddr *)&data_addr,
1630 1.48 itojun data_addr.su_len, hname, sizeof(hname),
1631 1.48 itojun NULL, 0, NI_NUMERICHOST)) {
1632 1.48 itojun result = ERROR;
1633 1.48 itojun } else {
1634 1.48 itojun result = command("EPRT |%d|%s|%d|",
1635 1.48 itojun af, hname, ntohs(data_addr.su_port));
1636 1.48 itojun }
1637 1.48 itojun break;
1638 1.58 christos #endif
1639 1.48 itojun default:
1640 1.48 itojun result = COMPLETE + 1;
1641 1.48 itojun break;
1642 1.48 itojun }
1643 1.48 itojun if (result == COMPLETE)
1644 1.48 itojun goto skip_port;
1645 1.48 itojun
1646 1.48 itojun switch (data_addr.su_family) {
1647 1.48 itojun case AF_INET:
1648 1.48 itojun a = (char *)&data_addr.su_sin.sin_addr;
1649 1.48 itojun p = (char *)&data_addr.su_port;
1650 1.48 itojun result = command("PORT %d,%d,%d,%d,%d,%d",
1651 1.48 itojun UC(a[0]), UC(a[1]), UC(a[2]), UC(a[3]),
1652 1.48 itojun UC(p[0]), UC(p[1]));
1653 1.48 itojun break;
1654 1.58 christos #ifdef INET6
1655 1.48 itojun case AF_INET6:
1656 1.48 itojun a = (char *)&data_addr.su_sin6.sin6_addr;
1657 1.48 itojun p = (char *)&data_addr.su_port;
1658 1.48 itojun result = command(
1659 1.48 itojun "LPRT %d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d",
1660 1.48 itojun 6, 16,
1661 1.48 itojun UC(a[0]),UC(a[1]),UC(a[2]),UC(a[3]),
1662 1.48 itojun UC(a[4]),UC(a[5]),UC(a[6]),UC(a[7]),
1663 1.48 itojun UC(a[8]),UC(a[9]),UC(a[10]),UC(a[11]),
1664 1.48 itojun UC(a[12]),UC(a[13]),UC(a[14]),UC(a[15]),
1665 1.48 itojun 2, UC(p[0]), UC(p[1]));
1666 1.48 itojun break;
1667 1.58 christos #endif
1668 1.48 itojun default:
1669 1.48 itojun result = COMPLETE + 1; /* xxx */
1670 1.48 itojun }
1671 1.48 itojun skip_port:
1672 1.48 itojun
1673 1.1 cgd if (result == ERROR && sendport == -1) {
1674 1.1 cgd sendport = 0;
1675 1.1 cgd tmpno = 1;
1676 1.1 cgd goto noport;
1677 1.1 cgd }
1678 1.1 cgd return (result != COMPLETE);
1679 1.1 cgd }
1680 1.1 cgd if (tmpno)
1681 1.1 cgd sendport = 1;
1682 1.48 itojun #if defined(IPPROTO_IP) && defined(IP_TOS)
1683 1.48 itojun if (data_addr.su_family == AF_INET) {
1684 1.48 itojun on = IPTOS_THROUGHPUT;
1685 1.48 itojun if (setsockopt(data, IPPROTO_IP, IP_TOS, (char *)&on,
1686 1.48 itojun sizeof(int)) < 0)
1687 1.48 itojun warn("setsockopt TOS (ignored)");
1688 1.48 itojun }
1689 1.1 cgd #endif
1690 1.1 cgd return (0);
1691 1.1 cgd bad:
1692 1.23 lukem (void)close(data), data = -1;
1693 1.1 cgd if (tmpno)
1694 1.1 cgd sendport = 1;
1695 1.1 cgd return (1);
1696 1.1 cgd }
1697 1.1 cgd
1698 1.1 cgd FILE *
1699 1.1 cgd dataconn(lmode)
1700 1.15 lukem const char *lmode;
1701 1.1 cgd {
1702 1.48 itojun union sockunion from;
1703 1.48 itojun int s, fromlen = myctladdr.su_len;
1704 1.8 cgd
1705 1.8 cgd if (passivemode)
1706 1.8 cgd return (fdopen(data, lmode));
1707 1.1 cgd
1708 1.1 cgd s = accept(data, (struct sockaddr *) &from, &fromlen);
1709 1.1 cgd if (s < 0) {
1710 1.6 cgd warn("accept");
1711 1.23 lukem (void)close(data), data = -1;
1712 1.1 cgd return (NULL);
1713 1.1 cgd }
1714 1.23 lukem (void)close(data);
1715 1.1 cgd data = s;
1716 1.48 itojun #if defined(IPPROTO_IP) && defined(IP_TOS)
1717 1.48 itojun if (from.su_family == AF_INET) {
1718 1.48 itojun int tos = IPTOS_THROUGHPUT;
1719 1.48 itojun if (setsockopt(s, IPPROTO_IP, IP_TOS, (char *)&tos,
1720 1.48 itojun sizeof(int)) < 0) {
1721 1.48 itojun warn("setsockopt TOS (ignored)");
1722 1.48 itojun }
1723 1.48 itojun }
1724 1.1 cgd #endif
1725 1.1 cgd return (fdopen(data, lmode));
1726 1.1 cgd }
1727 1.1 cgd
1728 1.1 cgd void
1729 1.14 lukem psummary(notused)
1730 1.14 lukem int notused;
1731 1.14 lukem {
1732 1.46 lukem int oerrno;
1733 1.16 lukem
1734 1.46 lukem oerrno = errno;
1735 1.14 lukem if (bytes > 0)
1736 1.16 lukem ptransfer(1);
1737 1.46 lukem errno = oerrno;
1738 1.14 lukem }
1739 1.14 lukem
1740 1.14 lukem void
1741 1.23 lukem psabort(notused)
1742 1.23 lukem int notused;
1743 1.1 cgd {
1744 1.1 cgd
1745 1.22 lukem alarmtimer(0);
1746 1.1 cgd abrtflag++;
1747 1.1 cgd }
1748 1.1 cgd
1749 1.6 cgd void
1750 1.1 cgd pswitch(flag)
1751 1.1 cgd int flag;
1752 1.1 cgd {
1753 1.1 cgd sig_t oldintr;
1754 1.1 cgd static struct comvars {
1755 1.1 cgd int connect;
1756 1.1 cgd char name[MAXHOSTNAMELEN];
1757 1.48 itojun union sockunion mctl;
1758 1.48 itojun union sockunion hctl;
1759 1.1 cgd FILE *in;
1760 1.1 cgd FILE *out;
1761 1.1 cgd int tpe;
1762 1.1 cgd int curtpe;
1763 1.1 cgd int cpnd;
1764 1.1 cgd int sunqe;
1765 1.1 cgd int runqe;
1766 1.1 cgd int mcse;
1767 1.1 cgd int ntflg;
1768 1.1 cgd char nti[17];
1769 1.1 cgd char nto[17];
1770 1.1 cgd int mapflg;
1771 1.1 cgd char mi[MAXPATHLEN];
1772 1.1 cgd char mo[MAXPATHLEN];
1773 1.1 cgd } proxstruct, tmpstruct;
1774 1.1 cgd struct comvars *ip, *op;
1775 1.1 cgd
1776 1.1 cgd abrtflag = 0;
1777 1.1 cgd oldintr = signal(SIGINT, psabort);
1778 1.1 cgd if (flag) {
1779 1.1 cgd if (proxy)
1780 1.1 cgd return;
1781 1.1 cgd ip = &tmpstruct;
1782 1.1 cgd op = &proxstruct;
1783 1.1 cgd proxy++;
1784 1.1 cgd } else {
1785 1.1 cgd if (!proxy)
1786 1.1 cgd return;
1787 1.1 cgd ip = &proxstruct;
1788 1.1 cgd op = &tmpstruct;
1789 1.1 cgd proxy = 0;
1790 1.1 cgd }
1791 1.1 cgd ip->connect = connected;
1792 1.1 cgd connected = op->connect;
1793 1.1 cgd if (hostname) {
1794 1.23 lukem (void)strncpy(ip->name, hostname, sizeof(ip->name) - 1);
1795 1.23 lukem ip->name[sizeof(ip->name) - 1] = '\0';
1796 1.1 cgd } else
1797 1.23 lukem ip->name[0] = '\0';
1798 1.1 cgd hostname = op->name;
1799 1.1 cgd ip->hctl = hisctladdr;
1800 1.1 cgd hisctladdr = op->hctl;
1801 1.1 cgd ip->mctl = myctladdr;
1802 1.1 cgd myctladdr = op->mctl;
1803 1.1 cgd ip->in = cin;
1804 1.1 cgd cin = op->in;
1805 1.1 cgd ip->out = cout;
1806 1.1 cgd cout = op->out;
1807 1.1 cgd ip->tpe = type;
1808 1.1 cgd type = op->tpe;
1809 1.1 cgd ip->curtpe = curtype;
1810 1.1 cgd curtype = op->curtpe;
1811 1.1 cgd ip->cpnd = cpend;
1812 1.1 cgd cpend = op->cpnd;
1813 1.1 cgd ip->sunqe = sunique;
1814 1.1 cgd sunique = op->sunqe;
1815 1.1 cgd ip->runqe = runique;
1816 1.1 cgd runique = op->runqe;
1817 1.1 cgd ip->mcse = mcase;
1818 1.1 cgd mcase = op->mcse;
1819 1.1 cgd ip->ntflg = ntflag;
1820 1.1 cgd ntflag = op->ntflg;
1821 1.23 lukem (void)strncpy(ip->nti, ntin, sizeof(ip->nti) - 1);
1822 1.23 lukem (ip->nti)[sizeof(ip->nti) - 1] = '\0';
1823 1.23 lukem (void)strcpy(ntin, op->nti);
1824 1.23 lukem (void)strncpy(ip->nto, ntout, sizeof(ip->nto) - 1);
1825 1.23 lukem (ip->nto)[sizeof(ip->nto) - 1] = '\0';
1826 1.23 lukem (void)strcpy(ntout, op->nto);
1827 1.1 cgd ip->mapflg = mapflag;
1828 1.1 cgd mapflag = op->mapflg;
1829 1.23 lukem (void)strncpy(ip->mi, mapin, sizeof(ip->mi) - 1);
1830 1.23 lukem (ip->mi)[sizeof(ip->mi) - 1] = '\0';
1831 1.23 lukem (void)strcpy(mapin, op->mi);
1832 1.23 lukem (void)strncpy(ip->mo, mapout, sizeof(ip->mo) - 1);
1833 1.23 lukem (ip->mo)[sizeof(ip->mo) - 1] = '\0';
1834 1.23 lukem (void)strcpy(mapout, op->mo);
1835 1.23 lukem (void)signal(SIGINT, oldintr);
1836 1.1 cgd if (abrtflag) {
1837 1.1 cgd abrtflag = 0;
1838 1.1 cgd (*oldintr)(SIGINT);
1839 1.1 cgd }
1840 1.1 cgd }
1841 1.1 cgd
1842 1.1 cgd void
1843 1.23 lukem abortpt(notused)
1844 1.23 lukem int notused;
1845 1.1 cgd {
1846 1.6 cgd
1847 1.22 lukem alarmtimer(0);
1848 1.35 lukem putc('\n', ttyout);
1849 1.1 cgd ptabflg++;
1850 1.1 cgd mflag = 0;
1851 1.1 cgd abrtflag = 0;
1852 1.1 cgd longjmp(ptabort, 1);
1853 1.1 cgd }
1854 1.1 cgd
1855 1.6 cgd void
1856 1.1 cgd proxtrans(cmd, local, remote)
1857 1.15 lukem const char *cmd, *local, *remote;
1858 1.1 cgd {
1859 1.1 cgd sig_t oldintr;
1860 1.26 lukem int prox_type, nfnd;
1861 1.26 lukem volatile int secndflag;
1862 1.1 cgd char *cmd2;
1863 1.1 cgd
1864 1.35 lukem #ifdef __GNUC__ /* to shut up gcc warnings */
1865 1.26 lukem (void)&oldintr;
1866 1.26 lukem (void)&cmd2;
1867 1.26 lukem #endif
1868 1.26 lukem
1869 1.26 lukem oldintr = NULL;
1870 1.26 lukem secndflag = 0;
1871 1.1 cgd if (strcmp(cmd, "RETR"))
1872 1.1 cgd cmd2 = "RETR";
1873 1.1 cgd else
1874 1.1 cgd cmd2 = runique ? "STOU" : "STOR";
1875 1.1 cgd if ((prox_type = type) == 0) {
1876 1.1 cgd if (unix_server && unix_proxy)
1877 1.1 cgd prox_type = TYPE_I;
1878 1.1 cgd else
1879 1.1 cgd prox_type = TYPE_A;
1880 1.1 cgd }
1881 1.1 cgd if (curtype != prox_type)
1882 1.1 cgd changetype(prox_type, 1);
1883 1.1 cgd if (command("PASV") != COMPLETE) {
1884 1.35 lukem fputs("proxy server does not support third party transfers.\n",
1885 1.35 lukem ttyout);
1886 1.1 cgd return;
1887 1.1 cgd }
1888 1.1 cgd pswitch(0);
1889 1.1 cgd if (!connected) {
1890 1.35 lukem fputs("No primary connection.\n", ttyout);
1891 1.1 cgd pswitch(1);
1892 1.1 cgd code = -1;
1893 1.1 cgd return;
1894 1.1 cgd }
1895 1.1 cgd if (curtype != prox_type)
1896 1.1 cgd changetype(prox_type, 1);
1897 1.1 cgd if (command("PORT %s", pasv) != COMPLETE) {
1898 1.1 cgd pswitch(1);
1899 1.1 cgd return;
1900 1.1 cgd }
1901 1.1 cgd if (setjmp(ptabort))
1902 1.1 cgd goto abort;
1903 1.1 cgd oldintr = signal(SIGINT, abortpt);
1904 1.41 lukem if ((restart_point &&
1905 1.41 lukem #ifndef NO_QUAD
1906 1.41 lukem (command("REST %qd", (long long) restart_point) != CONTINUE)
1907 1.41 lukem #else
1908 1.41 lukem (command("REST %ld", (long) restart_point) != CONTINUE)
1909 1.41 lukem #endif
1910 1.41 lukem ) || (command("%s %s", cmd, remote) != PRELIM)) {
1911 1.23 lukem (void)signal(SIGINT, oldintr);
1912 1.1 cgd pswitch(1);
1913 1.1 cgd return;
1914 1.1 cgd }
1915 1.1 cgd sleep(2);
1916 1.1 cgd pswitch(1);
1917 1.1 cgd secndflag++;
1918 1.41 lukem if ((restart_point &&
1919 1.41 lukem #ifndef NO_QUAD
1920 1.41 lukem (command("REST %qd", (long long) restart_point) != CONTINUE)
1921 1.41 lukem #else
1922 1.41 lukem (command("REST %ld", (long) restart_point) != CONTINUE)
1923 1.41 lukem #endif
1924 1.41 lukem ) || (command("%s %s", cmd2, local) != PRELIM))
1925 1.1 cgd goto abort;
1926 1.1 cgd ptflag++;
1927 1.23 lukem (void)getreply(0);
1928 1.1 cgd pswitch(0);
1929 1.23 lukem (void)getreply(0);
1930 1.23 lukem (void)signal(SIGINT, oldintr);
1931 1.1 cgd pswitch(1);
1932 1.1 cgd ptflag = 0;
1933 1.35 lukem fprintf(ttyout, "local: %s remote: %s\n", local, remote);
1934 1.1 cgd return;
1935 1.1 cgd abort:
1936 1.23 lukem (void)signal(SIGINT, SIG_IGN);
1937 1.1 cgd ptflag = 0;
1938 1.1 cgd if (strcmp(cmd, "RETR") && !proxy)
1939 1.1 cgd pswitch(1);
1940 1.1 cgd else if (!strcmp(cmd, "RETR") && proxy)
1941 1.1 cgd pswitch(0);
1942 1.1 cgd if (!cpend && !secndflag) { /* only here if cmd = "STOR" (proxy=1) */
1943 1.1 cgd if (command("%s %s", cmd2, local) != PRELIM) {
1944 1.1 cgd pswitch(0);
1945 1.1 cgd if (cpend)
1946 1.31 lukem abort_remote(NULL);
1947 1.1 cgd }
1948 1.1 cgd pswitch(1);
1949 1.1 cgd if (ptabflg)
1950 1.1 cgd code = -1;
1951 1.23 lukem (void)signal(SIGINT, oldintr);
1952 1.1 cgd return;
1953 1.1 cgd }
1954 1.1 cgd if (cpend)
1955 1.31 lukem abort_remote(NULL);
1956 1.1 cgd pswitch(!proxy);
1957 1.1 cgd if (!cpend && !secndflag) { /* only if cmd = "RETR" (proxy=1) */
1958 1.1 cgd if (command("%s %s", cmd2, local) != PRELIM) {
1959 1.1 cgd pswitch(0);
1960 1.1 cgd if (cpend)
1961 1.31 lukem abort_remote(NULL);
1962 1.1 cgd pswitch(1);
1963 1.1 cgd if (ptabflg)
1964 1.1 cgd code = -1;
1965 1.23 lukem (void)signal(SIGINT, oldintr);
1966 1.1 cgd return;
1967 1.1 cgd }
1968 1.1 cgd }
1969 1.1 cgd if (cpend)
1970 1.31 lukem abort_remote(NULL);
1971 1.1 cgd pswitch(!proxy);
1972 1.1 cgd if (cpend) {
1973 1.45 christos if ((nfnd = empty(cin, NULL, 10)) <= 0) {
1974 1.1 cgd if (nfnd < 0) {
1975 1.6 cgd warn("abort");
1976 1.1 cgd }
1977 1.1 cgd if (ptabflg)
1978 1.1 cgd code = -1;
1979 1.1 cgd lostpeer();
1980 1.1 cgd }
1981 1.23 lukem (void)getreply(0);
1982 1.23 lukem (void)getreply(0);
1983 1.1 cgd }
1984 1.1 cgd if (proxy)
1985 1.1 cgd pswitch(0);
1986 1.1 cgd pswitch(1);
1987 1.1 cgd if (ptabflg)
1988 1.1 cgd code = -1;
1989 1.23 lukem (void)signal(SIGINT, oldintr);
1990 1.1 cgd }
1991 1.1 cgd
1992 1.6 cgd void
1993 1.6 cgd reset(argc, argv)
1994 1.6 cgd int argc;
1995 1.6 cgd char *argv[];
1996 1.1 cgd {
1997 1.1 cgd int nfnd = 1;
1998 1.1 cgd
1999 1.1 cgd while (nfnd > 0) {
2000 1.45 christos if ((nfnd = empty(cin, NULL, 0)) < 0) {
2001 1.6 cgd warn("reset");
2002 1.1 cgd code = -1;
2003 1.1 cgd lostpeer();
2004 1.1 cgd }
2005 1.1 cgd else if (nfnd) {
2006 1.23 lukem (void)getreply(0);
2007 1.1 cgd }
2008 1.1 cgd }
2009 1.1 cgd }
2010 1.1 cgd
2011 1.1 cgd char *
2012 1.1 cgd gunique(local)
2013 1.15 lukem const char *local;
2014 1.1 cgd {
2015 1.1 cgd static char new[MAXPATHLEN];
2016 1.6 cgd char *cp = strrchr(local, '/');
2017 1.1 cgd int d, count=0;
2018 1.1 cgd char ext = '1';
2019 1.1 cgd
2020 1.1 cgd if (cp)
2021 1.1 cgd *cp = '\0';
2022 1.28 lukem d = access(cp == local ? "/" : cp ? local : ".", W_OK);
2023 1.1 cgd if (cp)
2024 1.1 cgd *cp = '/';
2025 1.1 cgd if (d < 0) {
2026 1.6 cgd warn("local: %s", local);
2027 1.31 lukem return (NULL);
2028 1.1 cgd }
2029 1.23 lukem (void)strcpy(new, local);
2030 1.1 cgd cp = new + strlen(new);
2031 1.1 cgd *cp++ = '.';
2032 1.1 cgd while (!d) {
2033 1.1 cgd if (++count == 100) {
2034 1.35 lukem fputs("runique: can't find unique file name.\n",
2035 1.35 lukem ttyout);
2036 1.31 lukem return (NULL);
2037 1.1 cgd }
2038 1.1 cgd *cp++ = ext;
2039 1.1 cgd *cp = '\0';
2040 1.1 cgd if (ext == '9')
2041 1.1 cgd ext = '0';
2042 1.1 cgd else
2043 1.1 cgd ext++;
2044 1.28 lukem if ((d = access(new, F_OK)) < 0)
2045 1.1 cgd break;
2046 1.1 cgd if (ext != '0')
2047 1.1 cgd cp--;
2048 1.1 cgd else if (*(cp - 2) == '.')
2049 1.1 cgd *(cp - 1) = '1';
2050 1.1 cgd else {
2051 1.1 cgd *(cp - 2) = *(cp - 2) + 1;
2052 1.1 cgd cp--;
2053 1.1 cgd }
2054 1.1 cgd }
2055 1.6 cgd return (new);
2056 1.1 cgd }
2057 1.1 cgd
2058 1.6 cgd void
2059 1.1 cgd abort_remote(din)
2060 1.6 cgd FILE *din;
2061 1.1 cgd {
2062 1.1 cgd char buf[BUFSIZ];
2063 1.1 cgd int nfnd;
2064 1.1 cgd
2065 1.23 lukem if (cout == NULL) {
2066 1.23 lukem warnx("Lost control connection for abort.");
2067 1.23 lukem if (ptabflg)
2068 1.23 lukem code = -1;
2069 1.23 lukem lostpeer();
2070 1.23 lukem return;
2071 1.23 lukem }
2072 1.1 cgd /*
2073 1.1 cgd * send IAC in urgent mode instead of DM because 4.3BSD places oob mark
2074 1.1 cgd * after urgent byte rather than before as is protocol now
2075 1.1 cgd */
2076 1.44 lukem snprintf(buf, sizeof(buf), "%c%c%c", IAC, IP, IAC);
2077 1.1 cgd if (send(fileno(cout), buf, 3, MSG_OOB) != 3)
2078 1.6 cgd warn("abort");
2079 1.15 lukem fprintf(cout, "%cABOR\r\n", DM);
2080 1.23 lukem (void)fflush(cout);
2081 1.45 christos if ((nfnd = empty(cin, din, 10)) <= 0) {
2082 1.1 cgd if (nfnd < 0) {
2083 1.6 cgd warn("abort");
2084 1.1 cgd }
2085 1.1 cgd if (ptabflg)
2086 1.1 cgd code = -1;
2087 1.1 cgd lostpeer();
2088 1.1 cgd }
2089 1.45 christos if (din && (nfnd & 2)) {
2090 1.1 cgd while (read(fileno(din), buf, BUFSIZ) > 0)
2091 1.45 christos continue;
2092 1.1 cgd }
2093 1.1 cgd if (getreply(0) == ERROR && code == 552) {
2094 1.1 cgd /* 552 needed for nic style abort */
2095 1.23 lukem (void)getreply(0);
2096 1.1 cgd }
2097 1.23 lukem (void)getreply(0);
2098 1.1 cgd }
2099