Commit | Line | Data |
---|---|---|
edf71f48 | 1 | /* |
63c685da | 2 | * Copyright (c) 1985, 1989 Regents of the University of California. |
11c5f0a3 KB |
3 | * All rights reserved. |
4 | * | |
5 | * Redistribution and use in source and binary forms are permitted | |
b36fc510 KB |
6 | * provided that the above copyright notice and this paragraph are |
7 | * duplicated in all such forms and that any documentation, | |
8 | * advertising materials, and other materials related to such | |
9 | * distribution and use acknowledge that the software was developed | |
10 | * by the University of California, Berkeley. The name of the | |
11 | * University may not be used to endorse or promote products derived | |
12 | * from this software without specific prior written permission. | |
13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
ff00793c | 15 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
edf71f48 DF |
16 | */ |
17 | ||
e0b077fe | 18 | #ifndef lint |
f58943be | 19 | static char sccsid[] = "@(#)ftp.c 5.28 (Berkeley) %G%"; |
11c5f0a3 | 20 | #endif /* not lint */ |
e0b077fe | 21 | |
cdc35b45 | 22 | #include <sys/param.h> |
e0b077fe SL |
23 | #include <sys/stat.h> |
24 | #include <sys/ioctl.h> | |
25 | #include <sys/socket.h> | |
19371098 | 26 | #include <sys/time.h> |
ff00793c | 27 | #include <sys/file.h> |
e0b077fe SL |
28 | |
29 | #include <netinet/in.h> | |
62c4a390 | 30 | #include <arpa/ftp.h> |
9069f68e | 31 | #include <arpa/telnet.h> |
e0b077fe SL |
32 | |
33 | #include <stdio.h> | |
34 | #include <signal.h> | |
e0b077fe SL |
35 | #include <errno.h> |
36 | #include <netdb.h> | |
9069f68e GM |
37 | #include <fcntl.h> |
38 | #include <pwd.h> | |
e0b077fe | 39 | |
cdc35b45 MK |
40 | #include "ftp_var.h" |
41 | ||
e0b077fe SL |
42 | struct sockaddr_in hisctladdr; |
43 | struct sockaddr_in data_addr; | |
44 | int data = -1; | |
9069f68e GM |
45 | int abrtflag = 0; |
46 | int ptflag = 0; | |
e0b077fe | 47 | int connected; |
f58943be | 48 | int allbinary; |
e0b077fe | 49 | struct sockaddr_in myctladdr; |
04480325 | 50 | uid_t getuid(); |
e0b077fe SL |
51 | |
52 | FILE *cin, *cout; | |
53 | FILE *dataconn(); | |
54 | ||
198ce38e | 55 | char * |
e0b077fe SL |
56 | hookup(host, port) |
57 | char *host; | |
58 | int port; | |
59 | { | |
198ce38e | 60 | register struct hostent *hp = 0; |
bd9f17de | 61 | int s,len; |
198ce38e | 62 | static char hostnamebuf[80]; |
e0b077fe SL |
63 | |
64 | bzero((char *)&hisctladdr, sizeof (hisctladdr)); | |
198ce38e MK |
65 | hisctladdr.sin_addr.s_addr = inet_addr(host); |
66 | if (hisctladdr.sin_addr.s_addr != -1) { | |
67 | hisctladdr.sin_family = AF_INET; | |
cdc35b45 MK |
68 | (void) strncpy(hostnamebuf, host, sizeof(hostnamebuf)); |
69 | } else { | |
5c91ebd4 | 70 | hp = gethostbyname(host); |
198ce38e | 71 | if (hp == NULL) { |
9059ff11 KB |
72 | fprintf(stderr, "ftp: %s: ", host); |
73 | herror((char *)NULL); | |
9069f68e GM |
74 | code = -1; |
75 | return((char *) 0); | |
198ce38e MK |
76 | } |
77 | hisctladdr.sin_family = hp->h_addrtype; | |
78 | bcopy(hp->h_addr_list[0], | |
79 | (caddr_t)&hisctladdr.sin_addr, hp->h_length); | |
cdc35b45 | 80 | (void) strncpy(hostnamebuf, hp->h_name, sizeof(hostnamebuf)); |
5c91ebd4 | 81 | } |
198ce38e MK |
82 | hostname = hostnamebuf; |
83 | s = socket(hisctladdr.sin_family, SOCK_STREAM, 0); | |
e0b077fe SL |
84 | if (s < 0) { |
85 | perror("ftp: socket"); | |
9069f68e | 86 | code = -1; |
e0b077fe SL |
87 | return (0); |
88 | } | |
e0b077fe | 89 | hisctladdr.sin_port = port; |
04480325 | 90 | while (connect(s, &hisctladdr, sizeof (hisctladdr)) < 0) { |
198ce38e MK |
91 | if (hp && hp->h_addr_list[1]) { |
92 | int oerrno = errno; | |
93 | ||
94 | fprintf(stderr, "ftp: connect to address %s: ", | |
95 | inet_ntoa(hisctladdr.sin_addr)); | |
96 | errno = oerrno; | |
04480325 | 97 | perror((char *) 0); |
198ce38e MK |
98 | hp->h_addr_list++; |
99 | bcopy(hp->h_addr_list[0], | |
9069f68e | 100 | (caddr_t)&hisctladdr.sin_addr, hp->h_length); |
04480325 | 101 | fprintf(stdout, "Trying %s...\n", |
198ce38e | 102 | inet_ntoa(hisctladdr.sin_addr)); |
d97e9a77 MK |
103 | (void) close(s); |
104 | s = socket(hisctladdr.sin_family, SOCK_STREAM, 0); | |
105 | if (s < 0) { | |
106 | perror("ftp: socket"); | |
107 | code = -1; | |
108 | return (0); | |
109 | } | |
198ce38e MK |
110 | continue; |
111 | } | |
e0b077fe | 112 | perror("ftp: connect"); |
9069f68e | 113 | code = -1; |
e0b077fe SL |
114 | goto bad; |
115 | } | |
8c1d51c7 SL |
116 | len = sizeof (myctladdr); |
117 | if (getsockname(s, (char *)&myctladdr, &len) < 0) { | |
118 | perror("ftp: getsockname"); | |
9069f68e | 119 | code = -1; |
e0b077fe SL |
120 | goto bad; |
121 | } | |
122 | cin = fdopen(s, "r"); | |
123 | cout = fdopen(s, "w"); | |
d33c618b | 124 | if (cin == NULL || cout == NULL) { |
e0b077fe SL |
125 | fprintf(stderr, "ftp: fdopen failed.\n"); |
126 | if (cin) | |
04480325 | 127 | (void) fclose(cin); |
e0b077fe | 128 | if (cout) |
04480325 | 129 | (void) fclose(cout); |
9069f68e | 130 | code = -1; |
e0b077fe SL |
131 | goto bad; |
132 | } | |
133 | if (verbose) | |
2e5611a5 | 134 | printf("Connected to %s.\n", hostname); |
bd9f17de | 135 | if (getreply(0) > 2) { /* read startup message from server */ |
9069f68e | 136 | if (cin) |
04480325 | 137 | (void) fclose(cin); |
9069f68e | 138 | if (cout) |
04480325 | 139 | (void) fclose(cout); |
9069f68e GM |
140 | code = -1; |
141 | goto bad; | |
142 | } | |
bd9f17de GM |
143 | #ifdef SO_OOBINLINE |
144 | { | |
145 | int on = 1; | |
9069f68e | 146 | |
bd9f17de GM |
147 | if (setsockopt(s, SOL_SOCKET, SO_OOBINLINE, &on, sizeof(on)) |
148 | < 0 && debug) { | |
149 | perror("ftp: setsockopt"); | |
150 | } | |
151 | } | |
152 | #endif SO_OOBINLINE | |
9069f68e | 153 | |
198ce38e | 154 | return (hostname); |
e0b077fe | 155 | bad: |
04480325 | 156 | (void) close(s); |
198ce38e | 157 | return ((char *)0); |
e0b077fe SL |
158 | } |
159 | ||
198ce38e MK |
160 | login(host) |
161 | char *host; | |
e0b077fe | 162 | { |
9069f68e | 163 | char tmp[80]; |
3d38f149 | 164 | char *user, *pass, *acct, *getlogin(), *getpass(); |
9069f68e GM |
165 | int n, aflag = 0; |
166 | ||
167 | user = pass = acct = 0; | |
168 | if (ruserpass(host, &user, &pass, &acct) < 0) { | |
9069f68e GM |
169 | code = -1; |
170 | return(0); | |
171 | } | |
f58943be | 172 | while (user == NULL) { |
9069f68e | 173 | char *myname = getlogin(); |
e0b077fe | 174 | |
9069f68e GM |
175 | if (myname == NULL) { |
176 | struct passwd *pp = getpwuid(getuid()); | |
177 | ||
98c50518 | 178 | if (pp != NULL) |
9069f68e | 179 | myname = pp->pw_name; |
9069f68e | 180 | } |
f58943be MK |
181 | if (myname) |
182 | printf("Name (%s:%s): ", host, myname); | |
183 | else | |
184 | printf("Name (%s): ", host); | |
9069f68e GM |
185 | (void) fgets(tmp, sizeof(tmp) - 1, stdin); |
186 | tmp[strlen(tmp) - 1] = '\0'; | |
98c50518 | 187 | if (*tmp == '\0') |
9069f68e | 188 | user = myname; |
98c50518 | 189 | else |
9069f68e | 190 | user = tmp; |
9069f68e | 191 | } |
e0b077fe | 192 | n = command("USER %s", user); |
9069f68e | 193 | if (n == CONTINUE) { |
98c50518 | 194 | if (pass == NULL) |
3d38f149 | 195 | pass = getpass("Password:"); |
e0b077fe | 196 | n = command("PASS %s", pass); |
9069f68e | 197 | } |
e0b077fe | 198 | if (n == CONTINUE) { |
9069f68e | 199 | aflag++; |
3d38f149 | 200 | acct = getpass("Account:"); |
e0b077fe SL |
201 | n = command("ACCT %s", acct); |
202 | } | |
203 | if (n != COMPLETE) { | |
204 | fprintf(stderr, "Login failed.\n"); | |
205 | return (0); | |
206 | } | |
98c50518 | 207 | if (!aflag && acct != NULL) |
9069f68e | 208 | (void) command("ACCT %s", acct); |
98c50518 | 209 | if (proxy) |
9069f68e | 210 | return(1); |
9069f68e GM |
211 | for (n = 0; n < macnum; ++n) { |
212 | if (!strcmp("init", macros[n].mac_name)) { | |
04480325 | 213 | (void) strcpy(line, "$init"); |
9069f68e GM |
214 | makeargv(); |
215 | domacro(margc, margv); | |
216 | break; | |
217 | } | |
218 | } | |
e0b077fe SL |
219 | return (1); |
220 | } | |
221 | ||
9069f68e GM |
222 | cmdabort() |
223 | { | |
224 | extern jmp_buf ptabort; | |
225 | ||
226 | printf("\n"); | |
227 | (void) fflush(stdout); | |
228 | abrtflag++; | |
98c50518 | 229 | if (ptflag) |
9069f68e | 230 | longjmp(ptabort,1); |
9069f68e GM |
231 | } |
232 | ||
04480325 | 233 | /*VARARGS1*/ |
e0b077fe SL |
234 | command(fmt, args) |
235 | char *fmt; | |
236 | { | |
9069f68e | 237 | int r, (*oldintr)(), cmdabort(); |
e0b077fe | 238 | |
9069f68e | 239 | abrtflag = 0; |
e0b077fe SL |
240 | if (debug) { |
241 | printf("---> "); | |
242 | _doprnt(fmt, &args, stdout); | |
243 | printf("\n"); | |
244 | (void) fflush(stdout); | |
245 | } | |
d33c618b SL |
246 | if (cout == NULL) { |
247 | perror ("No control connection for command"); | |
9069f68e | 248 | code = -1; |
d33c618b SL |
249 | return (0); |
250 | } | |
9069f68e | 251 | oldintr = signal(SIGINT,cmdabort); |
e0b077fe SL |
252 | _doprnt(fmt, &args, cout); |
253 | fprintf(cout, "\r\n"); | |
254 | (void) fflush(cout); | |
9069f68e GM |
255 | cpend = 1; |
256 | r = getreply(!strcmp(fmt, "QUIT")); | |
98c50518 | 257 | if (abrtflag && oldintr != SIG_IGN) |
9069f68e | 258 | (*oldintr)(); |
9069f68e GM |
259 | (void) signal(SIGINT, oldintr); |
260 | return(r); | |
e0b077fe SL |
261 | } |
262 | ||
5f5ed727 | 263 | char reply_string[BUFSIZ]; /* last line of previous reply */ |
ff00793c | 264 | |
e0b077fe SL |
265 | #include <ctype.h> |
266 | ||
267 | getreply(expecteof) | |
268 | int expecteof; | |
269 | { | |
d33c618b | 270 | register int c, n; |
9069f68e | 271 | register int dig; |
ff00793c | 272 | register char *cp; |
9069f68e GM |
273 | int originalcode = 0, continuation = 0, (*oldintr)(), cmdabort(); |
274 | int pflag = 0; | |
275 | char *pt = pasv; | |
e0b077fe | 276 | |
9069f68e | 277 | oldintr = signal(SIGINT,cmdabort); |
e0b077fe SL |
278 | for (;;) { |
279 | dig = n = code = 0; | |
5f5ed727 | 280 | cp = reply_string; |
e0b077fe | 281 | while ((c = getc(cin)) != '\n') { |
bd9f17de GM |
282 | if (c == IAC) { /* handle telnet commands */ |
283 | switch (c = getc(cin)) { | |
284 | case WILL: | |
285 | case WONT: | |
286 | c = getc(cin); | |
cdc35b45 | 287 | fprintf(cout, "%c%c%c",IAC,DONT,c); |
bd9f17de GM |
288 | (void) fflush(cout); |
289 | break; | |
290 | case DO: | |
291 | case DONT: | |
292 | c = getc(cin); | |
cdc35b45 | 293 | fprintf(cout, "%c%c%c",IAC,WONT,c); |
bd9f17de GM |
294 | (void) fflush(cout); |
295 | break; | |
296 | default: | |
297 | break; | |
298 | } | |
299 | continue; | |
300 | } | |
e0b077fe SL |
301 | dig++; |
302 | if (c == EOF) { | |
9069f68e GM |
303 | if (expecteof) { |
304 | (void) signal(SIGINT,oldintr); | |
305 | code = 221; | |
e0b077fe | 306 | return (0); |
9069f68e | 307 | } |
e0b077fe | 308 | lostpeer(); |
9069f68e GM |
309 | if (verbose) { |
310 | printf("421 Service not available, remote server has closed connection\n"); | |
311 | (void) fflush(stdout); | |
9069f68e | 312 | } |
275fcb82 SJ |
313 | code = 421; |
314 | return(4); | |
e0b077fe | 315 | } |
9069f68e GM |
316 | if (c != '\r' && (verbose > 0 || |
317 | (verbose > -1 && n == '5' && dig > 4))) { | |
98c50518 JL |
318 | if (proxflag && |
319 | (dig == 1 || dig == 5 && verbose == 0)) | |
9069f68e | 320 | printf("%s:",hostname); |
04480325 | 321 | (void) putchar(c); |
9069f68e | 322 | } |
e0b077fe SL |
323 | if (dig < 4 && isdigit(c)) |
324 | code = code * 10 + (c - '0'); | |
98c50518 | 325 | if (!pflag && code == 227) |
9069f68e | 326 | pflag = 1; |
98c50518 | 327 | if (dig > 4 && pflag == 1 && isdigit(c)) |
9069f68e | 328 | pflag = 2; |
9069f68e | 329 | if (pflag == 2) { |
98c50518 | 330 | if (c != '\r' && c != ')') |
9069f68e | 331 | *pt++ = c; |
9069f68e GM |
332 | else { |
333 | *pt = '\0'; | |
334 | pflag = 3; | |
335 | } | |
336 | } | |
337 | if (dig == 4 && c == '-') { | |
98c50518 | 338 | if (continuation) |
9069f68e | 339 | code = 0; |
e0b077fe | 340 | continuation++; |
9069f68e | 341 | } |
e0b077fe SL |
342 | if (n == 0) |
343 | n = c; | |
5f5ed727 MK |
344 | if (cp < &reply_string[sizeof(reply_string) - 1]) |
345 | *cp++ = c; | |
e0b077fe | 346 | } |
9069f68e | 347 | if (verbose > 0 || verbose > -1 && n == '5') { |
04480325 | 348 | (void) putchar(c); |
7968a79f SL |
349 | (void) fflush (stdout); |
350 | } | |
e0b077fe SL |
351 | if (continuation && code != originalcode) { |
352 | if (originalcode == 0) | |
353 | originalcode = code; | |
354 | continue; | |
355 | } | |
ff00793c | 356 | *cp = '\0'; |
98c50518 | 357 | if (n != '1') |
9069f68e | 358 | cpend = 0; |
9069f68e | 359 | (void) signal(SIGINT,oldintr); |
98c50518 | 360 | if (code == 421 || originalcode == 421) |
9069f68e | 361 | lostpeer(); |
98c50518 | 362 | if (abrtflag && oldintr != cmdabort && oldintr != SIG_IGN) |
9069f68e | 363 | (*oldintr)(); |
14433a73 | 364 | return (n - '0'); |
e0b077fe SL |
365 | } |
366 | } | |
367 | ||
9069f68e | 368 | empty(mask, sec) |
bd9f17de | 369 | struct fd_set *mask; |
9069f68e GM |
370 | int sec; |
371 | { | |
372 | struct timeval t; | |
373 | ||
374 | t.tv_sec = (long) sec; | |
375 | t.tv_usec = 0; | |
bd9f17de | 376 | return(select(32, mask, (struct fd_set *) 0, (struct fd_set *) 0, &t)); |
9069f68e GM |
377 | } |
378 | ||
e0b077fe SL |
379 | jmp_buf sendabort; |
380 | ||
381 | abortsend() | |
382 | { | |
383 | ||
9069f68e GM |
384 | mflag = 0; |
385 | abrtflag = 0; | |
386 | printf("\nsend aborted\n"); | |
387 | (void) fflush(stdout); | |
e0b077fe SL |
388 | longjmp(sendabort, 1); |
389 | } | |
390 | ||
cdc35b45 MK |
391 | #define HASHBYTES 1024 |
392 | ||
460419cd | 393 | sendrequest(cmd, local, remote, printnames) |
e0b077fe | 394 | char *cmd, *local, *remote; |
460419cd | 395 | int printnames; |
e0b077fe | 396 | { |
3d38f149 KB |
397 | FILE *fin, *dout = 0, *popen(); |
398 | int (*closefunc)(), pclose(), fclose(), (*oldintr)(), (*oldintp)(); | |
9069f68e | 399 | int abortsend(); |
63c685da | 400 | char buf[BUFSIZ], *bufp; |
cdc35b45 | 401 | long bytes = 0, hashbytes = HASHBYTES; |
7968a79f | 402 | register int c, d; |
e0b077fe SL |
403 | struct stat st; |
404 | struct timeval start, stop; | |
ff00793c | 405 | char *mode; |
e0b077fe | 406 | |
460419cd MK |
407 | if (verbose && printnames) { |
408 | if (local && *local != '-') | |
409 | printf("local: %s ", local); | |
410 | if (remote) | |
411 | printf("remote: %s\n", remote); | |
412 | } | |
9069f68e GM |
413 | if (proxy) { |
414 | proxtrans(cmd, local, remote); | |
415 | return; | |
416 | } | |
e0b077fe | 417 | closefunc = NULL; |
9069f68e GM |
418 | oldintr = NULL; |
419 | oldintp = NULL; | |
ff00793c | 420 | mode = "w"; |
9069f68e GM |
421 | if (setjmp(sendabort)) { |
422 | while (cpend) { | |
423 | (void) getreply(0); | |
424 | } | |
425 | if (data >= 0) { | |
426 | (void) close(data); | |
427 | data = -1; | |
428 | } | |
98c50518 | 429 | if (oldintr) |
9069f68e | 430 | (void) signal(SIGINT,oldintr); |
98c50518 | 431 | if (oldintp) |
9069f68e | 432 | (void) signal(SIGPIPE,oldintp); |
9069f68e GM |
433 | code = -1; |
434 | return; | |
435 | } | |
e0b077fe SL |
436 | oldintr = signal(SIGINT, abortsend); |
437 | if (strcmp(local, "-") == 0) | |
438 | fin = stdin; | |
439 | else if (*local == '|') { | |
9069f68e | 440 | oldintp = signal(SIGPIPE,SIG_IGN); |
3d38f149 | 441 | fin = popen(local + 1, "r"); |
e0b077fe | 442 | if (fin == NULL) { |
9069f68e GM |
443 | perror(local + 1); |
444 | (void) signal(SIGINT, oldintr); | |
445 | (void) signal(SIGPIPE, oldintp); | |
446 | code = -1; | |
447 | return; | |
e0b077fe | 448 | } |
3d38f149 | 449 | closefunc = pclose; |
e0b077fe SL |
450 | } else { |
451 | fin = fopen(local, "r"); | |
452 | if (fin == NULL) { | |
453 | perror(local); | |
9069f68e GM |
454 | (void) signal(SIGINT, oldintr); |
455 | code = -1; | |
456 | return; | |
e0b077fe SL |
457 | } |
458 | closefunc = fclose; | |
459 | if (fstat(fileno(fin), &st) < 0 || | |
460 | (st.st_mode&S_IFMT) != S_IFREG) { | |
04480325 | 461 | fprintf(stdout, "%s: not a plain file.\n", local); |
9069f68e | 462 | (void) signal(SIGINT, oldintr); |
ff00793c | 463 | fclose(fin); |
9069f68e GM |
464 | code = -1; |
465 | return; | |
e0b077fe SL |
466 | } |
467 | } | |
9069f68e GM |
468 | if (initconn()) { |
469 | (void) signal(SIGINT, oldintr); | |
98c50518 | 470 | if (oldintp) |
9069f68e | 471 | (void) signal(SIGPIPE, oldintp); |
9069f68e | 472 | code = -1; |
ff00793c MK |
473 | if (closefunc != NULL) |
474 | (*closefunc)(fin); | |
9069f68e GM |
475 | return; |
476 | } | |
98c50518 | 477 | if (setjmp(sendabort)) |
9069f68e | 478 | goto abort; |
ff00793c | 479 | |
e0b077fe | 480 | if (remote) { |
9069f68e GM |
481 | if (command("%s %s", cmd, remote) != PRELIM) { |
482 | (void) signal(SIGINT, oldintr); | |
98c50518 | 483 | if (oldintp) |
9069f68e | 484 | (void) signal(SIGPIPE, oldintp); |
ff00793c MK |
485 | if (closefunc != NULL) |
486 | (*closefunc)(fin); | |
9069f68e GM |
487 | return; |
488 | } | |
e0b077fe | 489 | } else |
9069f68e GM |
490 | if (command("%s", cmd) != PRELIM) { |
491 | (void) signal(SIGINT, oldintr); | |
98c50518 | 492 | if (oldintp) |
9069f68e | 493 | (void) signal(SIGPIPE, oldintp); |
ff00793c MK |
494 | if (closefunc != NULL) |
495 | (*closefunc)(fin); | |
9069f68e GM |
496 | return; |
497 | } | |
ff00793c | 498 | dout = dataconn(mode); |
98c50518 | 499 | if (dout == NULL) |
9069f68e | 500 | goto abort; |
04480325 | 501 | (void) gettimeofday(&start, (struct timezone *)0); |
ff00793c | 502 | oldintp = signal(SIGPIPE, SIG_IGN); |
d33c618b SL |
503 | switch (type) { |
504 | ||
505 | case TYPE_I: | |
506 | case TYPE_L: | |
7968a79f | 507 | errno = d = 0; |
63c685da | 508 | while ((c = read(fileno(fin), buf, sizeof (buf))) > 0) { |
d33c618b | 509 | bytes += c; |
8b451c8e MK |
510 | for (bufp = buf; c > 0; c -= d, bufp += d) |
511 | if ((d = write(fileno(dout), bufp, c)) <= 0) | |
512 | break; | |
63c685da MK |
513 | for (bufp = buf; c > 0; c -= d, bufp += d) |
514 | if ((d = write(fileno(dout), bufp, c)) <= 0) | |
515 | break; | |
5ac6fc46 | 516 | if (hash) { |
cdc35b45 MK |
517 | while (bytes >= hashbytes) { |
518 | (void) putchar('#'); | |
519 | hashbytes += HASHBYTES; | |
520 | } | |
04480325 | 521 | (void) fflush(stdout); |
5ac6fc46 SL |
522 | } |
523 | } | |
614e24b6 | 524 | if (hash && bytes > 0) { |
cdc35b45 MK |
525 | if (bytes < HASHBYTES) |
526 | (void) putchar('#'); | |
04480325 GM |
527 | (void) putchar('\n'); |
528 | (void) fflush(stdout); | |
d33c618b SL |
529 | } |
530 | if (c < 0) | |
531 | perror(local); | |
63c685da MK |
532 | if (d <= 0) { |
533 | if (d == 0) | |
534 | fprintf(stderr, "netout: write returned 0?\n"); | |
535 | else if (errno != EPIPE) | |
ff00793c MK |
536 | perror("netout"); |
537 | bytes = -1; | |
538 | } | |
d33c618b SL |
539 | break; |
540 | ||
541 | case TYPE_A: | |
542 | while ((c = getc(fin)) != EOF) { | |
543 | if (c == '\n') { | |
5ac6fc46 | 544 | while (hash && (bytes >= hashbytes)) { |
04480325 GM |
545 | (void) putchar('#'); |
546 | (void) fflush(stdout); | |
cdc35b45 | 547 | hashbytes += HASHBYTES; |
5ac6fc46 | 548 | } |
d33c618b SL |
549 | if (ferror(dout)) |
550 | break; | |
04480325 | 551 | (void) putc('\r', dout); |
d33c618b SL |
552 | bytes++; |
553 | } | |
04480325 | 554 | (void) putc(c, dout); |
d33c618b | 555 | bytes++; |
9069f68e | 556 | /* if (c == '\r') { */ |
04480325 | 557 | /* (void) putc('\0', dout); /* this violates rfc */ |
9069f68e GM |
558 | /* bytes++; */ |
559 | /* } */ | |
d33c618b | 560 | } |
5ac6fc46 | 561 | if (hash) { |
614e24b6 | 562 | if (bytes < hashbytes) |
04480325 GM |
563 | (void) putchar('#'); |
564 | (void) putchar('\n'); | |
565 | (void) fflush(stdout); | |
5ac6fc46 | 566 | } |
d33c618b SL |
567 | if (ferror(fin)) |
568 | perror(local); | |
ff00793c MK |
569 | if (ferror(dout)) { |
570 | if (errno != EPIPE) | |
571 | perror("netout"); | |
572 | bytes = -1; | |
573 | } | |
d33c618b | 574 | break; |
e0b077fe | 575 | } |
04480325 | 576 | (void) gettimeofday(&stop, (struct timezone *)0); |
e0b077fe | 577 | if (closefunc != NULL) |
9069f68e | 578 | (*closefunc)(fin); |
e0b077fe | 579 | (void) fclose(dout); |
9069f68e GM |
580 | (void) getreply(0); |
581 | (void) signal(SIGINT, oldintr); | |
ff00793c MK |
582 | if (oldintp) |
583 | (void) signal(SIGPIPE, oldintp); | |
7237c6ef | 584 | if (bytes > 0) |
460419cd | 585 | ptransfer("sent", bytes, &start, &stop); |
e0b077fe | 586 | return; |
9069f68e | 587 | abort: |
04480325 | 588 | (void) gettimeofday(&stop, (struct timezone *)0); |
9069f68e | 589 | (void) signal(SIGINT, oldintr); |
98c50518 | 590 | if (oldintp) |
9069f68e | 591 | (void) signal(SIGPIPE, oldintp); |
9069f68e GM |
592 | if (!cpend) { |
593 | code = -1; | |
594 | return; | |
595 | } | |
596 | if (data >= 0) { | |
597 | (void) close(data); | |
598 | data = -1; | |
599 | } | |
98c50518 | 600 | if (dout) |
9069f68e | 601 | (void) fclose(dout); |
9069f68e GM |
602 | (void) getreply(0); |
603 | code = -1; | |
e0b077fe | 604 | if (closefunc != NULL && fin != NULL) |
9069f68e | 605 | (*closefunc)(fin); |
7237c6ef | 606 | if (bytes > 0) |
460419cd | 607 | ptransfer("sent", bytes, &start, &stop); |
e0b077fe SL |
608 | } |
609 | ||
610 | jmp_buf recvabort; | |
611 | ||
612 | abortrecv() | |
613 | { | |
614 | ||
9069f68e GM |
615 | mflag = 0; |
616 | abrtflag = 0; | |
617 | printf("\n"); | |
618 | (void) fflush(stdout); | |
e0b077fe SL |
619 | longjmp(recvabort, 1); |
620 | } | |
621 | ||
460419cd | 622 | recvrequest(cmd, local, remote, mode, printnames) |
5ac6fc46 | 623 | char *cmd, *local, *remote, *mode; |
e0b077fe | 624 | { |
3d38f149 KB |
625 | FILE *fout, *din = 0, *popen(); |
626 | int (*closefunc)(), pclose(), fclose(), (*oldintr)(), (*oldintp)(); | |
ff00793c | 627 | int abortrecv(), oldverbose, oldtype = 0, is_retr, tcrflag, nfnd; |
c1e630ed MK |
628 | char *bufp, *gunique(), msg; |
629 | static char *buf; | |
cdc35b45 MK |
630 | static int bufsize; |
631 | long bytes = 0, hashbytes = HASHBYTES; | |
04480325 | 632 | struct fd_set mask; |
7968a79f | 633 | register int c, d; |
e0b077fe | 634 | struct timeval start, stop; |
cdc35b45 MK |
635 | struct stat st; |
636 | extern char *malloc(); | |
e0b077fe | 637 | |
ff00793c | 638 | is_retr = strcmp(cmd, "RETR") == 0; |
460419cd MK |
639 | if (is_retr && verbose && printnames) { |
640 | if (local && *local != '-') | |
641 | printf("local: %s ", local); | |
642 | if (remote) | |
643 | printf("remote: %s\n", remote); | |
644 | } | |
ff00793c | 645 | if (proxy && is_retr) { |
9069f68e GM |
646 | proxtrans(cmd, local, remote); |
647 | return; | |
648 | } | |
e0b077fe | 649 | closefunc = NULL; |
9069f68e GM |
650 | oldintr = NULL; |
651 | oldintp = NULL; | |
ff00793c | 652 | tcrflag = !crflag && is_retr; |
9069f68e GM |
653 | if (setjmp(recvabort)) { |
654 | while (cpend) { | |
655 | (void) getreply(0); | |
656 | } | |
657 | if (data >= 0) { | |
658 | (void) close(data); | |
659 | data = -1; | |
660 | } | |
98c50518 | 661 | if (oldintr) |
9069f68e | 662 | (void) signal(SIGINT, oldintr); |
9069f68e GM |
663 | code = -1; |
664 | return; | |
665 | } | |
e0b077fe | 666 | oldintr = signal(SIGINT, abortrecv); |
9069f68e | 667 | if (strcmp(local, "-") && *local != '|') { |
e0b077fe | 668 | if (access(local, 2) < 0) { |
9069f68e GM |
669 | char *dir = rindex(local, '/'); |
670 | ||
671 | if (errno != ENOENT && errno != EACCES) { | |
672 | perror(local); | |
673 | (void) signal(SIGINT, oldintr); | |
674 | code = -1; | |
675 | return; | |
676 | } | |
677 | if (dir != NULL) | |
678 | *dir = 0; | |
679 | d = access(dir ? local : ".", 2); | |
680 | if (dir != NULL) | |
681 | *dir = '/'; | |
682 | if (d < 0) { | |
683 | perror(local); | |
684 | (void) signal(SIGINT, oldintr); | |
685 | code = -1; | |
686 | return; | |
687 | } | |
688 | if (!runique && errno == EACCES && | |
ff00793c | 689 | chmod(local, 0600) < 0) { |
e0b077fe | 690 | perror(local); |
9069f68e GM |
691 | (void) signal(SIGINT, oldintr); |
692 | code = -1; | |
693 | return; | |
694 | } | |
695 | if (runique && errno == EACCES && | |
696 | (local = gunique(local)) == NULL) { | |
697 | (void) signal(SIGINT, oldintr); | |
698 | code = -1; | |
699 | return; | |
e0b077fe | 700 | } |
e0b077fe | 701 | } |
9069f68e GM |
702 | else if (runique && (local = gunique(local)) == NULL) { |
703 | (void) signal(SIGINT, oldintr); | |
704 | code = -1; | |
705 | return; | |
706 | } | |
707 | } | |
708 | if (initconn()) { | |
709 | (void) signal(SIGINT, oldintr); | |
710 | code = -1; | |
711 | return; | |
712 | } | |
98c50518 | 713 | if (setjmp(recvabort)) |
9069f68e | 714 | goto abort; |
ff00793c | 715 | if (!is_retr) { |
f58943be | 716 | if (type != TYPE_A && (allbinary == 0 || type != TYPE_I)) { |
ff00793c MK |
717 | oldtype = type; |
718 | oldverbose = verbose; | |
719 | if (!debug) | |
720 | verbose = 0; | |
721 | setascii(); | |
722 | verbose = oldverbose; | |
723 | } | |
9069f68e | 724 | } |
e0b077fe | 725 | if (remote) { |
9069f68e GM |
726 | if (command("%s %s", cmd, remote) != PRELIM) { |
727 | (void) signal(SIGINT, oldintr); | |
728 | if (oldtype) { | |
98c50518 | 729 | if (!debug) |
9069f68e | 730 | verbose = 0; |
9069f68e GM |
731 | switch (oldtype) { |
732 | case TYPE_I: | |
733 | setbinary(); | |
734 | break; | |
735 | case TYPE_E: | |
736 | setebcdic(); | |
737 | break; | |
738 | case TYPE_L: | |
739 | settenex(); | |
740 | break; | |
63c685da | 741 | } |
9069f68e GM |
742 | verbose = oldverbose; |
743 | } | |
744 | return; | |
745 | } | |
746 | } else { | |
747 | if (command("%s", cmd) != PRELIM) { | |
748 | (void) signal(SIGINT, oldintr); | |
749 | if (oldtype) { | |
98c50518 | 750 | if (!debug) |
9069f68e | 751 | verbose = 0; |
9069f68e GM |
752 | switch (oldtype) { |
753 | case TYPE_I: | |
754 | setbinary(); | |
755 | break; | |
756 | case TYPE_E: | |
757 | setebcdic(); | |
758 | break; | |
759 | case TYPE_L: | |
760 | settenex(); | |
761 | break; | |
63c685da | 762 | } |
9069f68e GM |
763 | verbose = oldverbose; |
764 | } | |
765 | return; | |
766 | } | |
767 | } | |
768 | din = dataconn("r"); | |
769 | if (din == NULL) | |
770 | goto abort; | |
98c50518 | 771 | if (strcmp(local, "-") == 0) |
e0b077fe SL |
772 | fout = stdout; |
773 | else if (*local == '|') { | |
9069f68e | 774 | oldintp = signal(SIGPIPE, SIG_IGN); |
3d38f149 | 775 | fout = popen(local + 1, "w"); |
9069f68e GM |
776 | if (fout == NULL) { |
777 | perror(local+1); | |
778 | goto abort; | |
779 | } | |
3d38f149 | 780 | closefunc = pclose; |
cdc35b45 | 781 | } else { |
5ac6fc46 | 782 | fout = fopen(local, mode); |
9069f68e GM |
783 | if (fout == NULL) { |
784 | perror(local); | |
785 | goto abort; | |
786 | } | |
e0b077fe SL |
787 | closefunc = fclose; |
788 | } | |
cdc35b45 MK |
789 | if (fstat(fileno(fout), &st) < 0 || st.st_blksize == 0) |
790 | st.st_blksize = BUFSIZ; | |
791 | if (st.st_blksize > bufsize) { | |
792 | if (buf) | |
793 | (void) free(buf); | |
794 | buf = malloc(st.st_blksize); | |
795 | if (buf == NULL) { | |
796 | perror("malloc"); | |
8b451c8e | 797 | bufsize = 0; |
c1e630ed | 798 | bufsize = 0; |
cdc35b45 MK |
799 | goto abort; |
800 | } | |
801 | bufsize = st.st_blksize; | |
802 | } | |
04480325 | 803 | (void) gettimeofday(&start, (struct timezone *)0); |
d33c618b SL |
804 | switch (type) { |
805 | ||
806 | case TYPE_I: | |
807 | case TYPE_L: | |
7968a79f | 808 | errno = d = 0; |
cdc35b45 | 809 | while ((c = read(fileno(din), buf, bufsize)) > 0) { |
c1e630ed | 810 | if ((d = write(fileno(fout), buf, c)) != c) |
d33c618b SL |
811 | break; |
812 | bytes += c; | |
5ac6fc46 | 813 | if (hash) { |
cdc35b45 MK |
814 | while (bytes >= hashbytes) { |
815 | (void) putchar('#'); | |
816 | hashbytes += HASHBYTES; | |
817 | } | |
04480325 | 818 | (void) fflush(stdout); |
5ac6fc46 SL |
819 | } |
820 | } | |
614e24b6 | 821 | if (hash && bytes > 0) { |
cdc35b45 MK |
822 | if (bytes < HASHBYTES) |
823 | (void) putchar('#'); | |
04480325 GM |
824 | (void) putchar('\n'); |
825 | (void) fflush(stdout); | |
d33c618b | 826 | } |
ff00793c MK |
827 | if (c < 0) { |
828 | if (errno != EPIPE) | |
829 | perror("netin"); | |
830 | bytes = -1; | |
831 | } | |
63c685da MK |
832 | if (d < c) { |
833 | if (d < 0) | |
834 | perror(local); | |
835 | else | |
836 | fprintf(stderr, "%s: short write\n", local); | |
837 | } | |
d33c618b SL |
838 | break; |
839 | ||
840 | case TYPE_A: | |
841 | while ((c = getc(din)) != EOF) { | |
edb8d233 | 842 | while (c == '\r') { |
5ac6fc46 | 843 | while (hash && (bytes >= hashbytes)) { |
04480325 GM |
844 | (void) putchar('#'); |
845 | (void) fflush(stdout); | |
cdc35b45 | 846 | hashbytes += HASHBYTES; |
5ac6fc46 | 847 | } |
e0b077fe | 848 | bytes++; |
9069f68e | 849 | if ((c = getc(din)) != '\n' || tcrflag) { |
cdc35b45 MK |
850 | if (ferror(fout)) |
851 | goto break2; | |
852 | (void) putc('\r', fout); | |
63c685da MK |
853 | if (c == '\0') { |
854 | bytes++; | |
855 | goto contin2; | |
856 | } | |
857 | if (c == EOF) | |
cdc35b45 | 858 | goto contin2; |
8b451c8e MK |
859 | } |
860 | if (c == EOF) | |
861 | goto contin2; | |
d33c618b | 862 | } |
d33c618b | 863 | } |
cdc35b45 | 864 | (void) putc(c, fout); |
d33c618b | 865 | bytes++; |
cdc35b45 | 866 | contin2: ; |
e0b077fe | 867 | } |
cdc35b45 | 868 | break2: |
5ac6fc46 | 869 | if (hash) { |
614e24b6 | 870 | if (bytes < hashbytes) |
04480325 GM |
871 | (void) putchar('#'); |
872 | (void) putchar('\n'); | |
873 | (void) fflush(stdout); | |
5ac6fc46 | 874 | } |
8b451c8e | 875 | if (ferror(din)) { |
ff00793c | 876 | if (errno != EPIPE) |
8b451c8e | 877 | perror("netin"); |
ff00793c MK |
878 | bytes = -1; |
879 | } | |
cdc35b45 | 880 | if (ferror(fout)) |
8b451c8e | 881 | perror(local); |
d33c618b | 882 | break; |
e0b077fe | 883 | } |
98c50518 | 884 | if (closefunc != NULL) |
9069f68e | 885 | (*closefunc)(fout); |
04480325 | 886 | (void) signal(SIGINT, oldintr); |
98c50518 | 887 | if (oldintp) |
9069f68e | 888 | (void) signal(SIGPIPE, oldintp); |
04480325 | 889 | (void) gettimeofday(&stop, (struct timezone *)0); |
9069f68e GM |
890 | (void) fclose(din); |
891 | (void) getreply(0); | |
ff00793c | 892 | if (bytes > 0 && is_retr) |
460419cd | 893 | ptransfer("received", bytes, &start, &stop); |
9069f68e | 894 | if (oldtype) { |
98c50518 | 895 | if (!debug) |
9069f68e | 896 | verbose = 0; |
9069f68e GM |
897 | switch (oldtype) { |
898 | case TYPE_I: | |
899 | setbinary(); | |
900 | break; | |
901 | case TYPE_E: | |
902 | setebcdic(); | |
903 | break; | |
904 | case TYPE_L: | |
905 | settenex(); | |
906 | break; | |
907 | } | |
908 | verbose = oldverbose; | |
909 | } | |
e0b077fe | 910 | return; |
9069f68e GM |
911 | abort: |
912 | ||
bd9f17de | 913 | /* abort using RFC959 recommended IP,SYNC sequence */ |
9069f68e | 914 | |
04480325 | 915 | (void) gettimeofday(&stop, (struct timezone *)0); |
98c50518 | 916 | if (oldintp) |
9069f68e | 917 | (void) signal(SIGPIPE, oldintr); |
9069f68e GM |
918 | (void) signal(SIGINT,SIG_IGN); |
919 | if (oldtype) { | |
98c50518 | 920 | if (!debug) |
9069f68e | 921 | verbose = 0; |
9069f68e GM |
922 | switch (oldtype) { |
923 | case TYPE_I: | |
924 | setbinary(); | |
925 | break; | |
926 | case TYPE_E: | |
927 | setebcdic(); | |
928 | break; | |
929 | case TYPE_L: | |
930 | settenex(); | |
931 | break; | |
932 | } | |
933 | verbose = oldverbose; | |
934 | } | |
935 | if (!cpend) { | |
936 | code = -1; | |
937 | (void) signal(SIGINT,oldintr); | |
938 | return; | |
939 | } | |
9069f68e | 940 | |
bd9f17de GM |
941 | fprintf(cout,"%c%c",IAC,IP); |
942 | (void) fflush(cout); | |
943 | msg = IAC; | |
944 | /* send IAC in urgent mode instead of DM because UNIX places oob mark */ | |
945 | /* after urgent byte rather than before as now is protocol */ | |
946 | if (send(fileno(cout),&msg,1,MSG_OOB) != 1) { | |
947 | perror("abort"); | |
9069f68e | 948 | } |
bd9f17de | 949 | fprintf(cout,"%cABOR\r\n",DM); |
9069f68e | 950 | (void) fflush(cout); |
bd9f17de | 951 | FD_ZERO(&mask); |
04480325 GM |
952 | FD_SET(fileno(cin), &mask); |
953 | if (din) { | |
954 | FD_SET(fileno(din), &mask); | |
955 | } | |
bd9f17de GM |
956 | if ((nfnd = empty(&mask,10)) <= 0) { |
957 | if (nfnd < 0) { | |
958 | perror("abort"); | |
959 | } | |
9069f68e GM |
960 | code = -1; |
961 | lostpeer(); | |
962 | } | |
04480325 | 963 | if (din && FD_ISSET(fileno(din), &mask)) { |
cdc35b45 | 964 | while ((c = read(fileno(din), buf, bufsize)) > 0) |
98c50518 | 965 | ; |
04480325 | 966 | } |
bd9f17de | 967 | if ((c = getreply(0)) == ERROR && code == 552) { /* needed for nic style abort */ |
9069f68e | 968 | if (data >= 0) { |
04480325 | 969 | (void) close(data); |
9069f68e GM |
970 | data = -1; |
971 | } | |
972 | (void) getreply(0); | |
973 | } | |
974 | (void) getreply(0); | |
975 | code = -1; | |
976 | if (data >= 0) { | |
977 | (void) close(data); | |
978 | data = -1; | |
979 | } | |
98c50518 | 980 | if (closefunc != NULL && fout != NULL) |
e0b077fe | 981 | (*closefunc)(fout); |
98c50518 | 982 | if (din) |
9069f68e | 983 | (void) fclose(din); |
7237c6ef | 984 | if (bytes > 0) |
460419cd | 985 | ptransfer("received", bytes, &start, &stop); |
9069f68e | 986 | (void) signal(SIGINT,oldintr); |
e0b077fe SL |
987 | } |
988 | ||
989 | /* | |
990 | * Need to start a listen on the data channel | |
991 | * before we send the command, otherwise the | |
992 | * server's connect may fail. | |
993 | */ | |
a7d96790 | 994 | int sendport = -1; |
5ac6fc46 | 995 | |
e0b077fe SL |
996 | initconn() |
997 | { | |
998 | register char *p, *a; | |
9069f68e | 999 | int result, len, tmpno = 0; |
044f3211 | 1000 | int on = 1; |
e0b077fe | 1001 | |
5ac6fc46 | 1002 | noport: |
e0b077fe | 1003 | data_addr = myctladdr; |
5ac6fc46 SL |
1004 | if (sendport) |
1005 | data_addr.sin_port = 0; /* let system pick one */ | |
1006 | if (data != -1) | |
1007 | (void) close (data); | |
71a655cd | 1008 | data = socket(AF_INET, SOCK_STREAM, 0); |
e0b077fe SL |
1009 | if (data < 0) { |
1010 | perror("ftp: socket"); | |
98c50518 | 1011 | if (tmpno) |
9069f68e | 1012 | sendport = 1; |
e0b077fe SL |
1013 | return (1); |
1014 | } | |
62c4a390 | 1015 | if (!sendport) |
bd9f17de | 1016 | if (setsockopt(data, SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof (on)) < 0) { |
a7d96790 | 1017 | perror("ftp: setsockopt (reuse address)"); |
62c4a390 SL |
1018 | goto bad; |
1019 | } | |
04480325 | 1020 | if (bind(data, (struct sockaddr *)&data_addr, sizeof (data_addr)) < 0) { |
e0b077fe SL |
1021 | perror("ftp: bind"); |
1022 | goto bad; | |
1023 | } | |
e0b077fe | 1024 | if (options & SO_DEBUG && |
bd9f17de | 1025 | setsockopt(data, SOL_SOCKET, SO_DEBUG, (char *)&on, sizeof (on)) < 0) |
e0b077fe | 1026 | perror("ftp: setsockopt (ignored)"); |
8c1d51c7 SL |
1027 | len = sizeof (data_addr); |
1028 | if (getsockname(data, (char *)&data_addr, &len) < 0) { | |
1029 | perror("ftp: getsockname"); | |
e0b077fe SL |
1030 | goto bad; |
1031 | } | |
98c50518 | 1032 | if (listen(data, 1) < 0) |
e0b077fe | 1033 | perror("ftp: listen"); |
5ac6fc46 SL |
1034 | if (sendport) { |
1035 | a = (char *)&data_addr.sin_addr; | |
1036 | p = (char *)&data_addr.sin_port; | |
e0b077fe | 1037 | #define UC(b) (((int)b)&0xff) |
5ac6fc46 SL |
1038 | result = |
1039 | command("PORT %d,%d,%d,%d,%d,%d", | |
1040 | UC(a[0]), UC(a[1]), UC(a[2]), UC(a[3]), | |
1041 | UC(p[0]), UC(p[1])); | |
1042 | if (result == ERROR && sendport == -1) { | |
1043 | sendport = 0; | |
9069f68e | 1044 | tmpno = 1; |
5ac6fc46 SL |
1045 | goto noport; |
1046 | } | |
1047 | return (result != COMPLETE); | |
1048 | } | |
98c50518 | 1049 | if (tmpno) |
9069f68e | 1050 | sendport = 1; |
5ac6fc46 | 1051 | return (0); |
e0b077fe SL |
1052 | bad: |
1053 | (void) close(data), data = -1; | |
98c50518 | 1054 | if (tmpno) |
9069f68e | 1055 | sendport = 1; |
e0b077fe SL |
1056 | return (1); |
1057 | } | |
1058 | ||
1059 | FILE * | |
1060 | dataconn(mode) | |
1061 | char *mode; | |
1062 | { | |
1063 | struct sockaddr_in from; | |
1064 | int s, fromlen = sizeof (from); | |
1065 | ||
04480325 | 1066 | s = accept(data, (struct sockaddr *) &from, &fromlen); |
e0b077fe SL |
1067 | if (s < 0) { |
1068 | perror("ftp: accept"); | |
1069 | (void) close(data), data = -1; | |
1070 | return (NULL); | |
1071 | } | |
1072 | (void) close(data); | |
1073 | data = s; | |
1074 | return (fdopen(data, mode)); | |
1075 | } | |
1076 | ||
460419cd MK |
1077 | ptransfer(direction, bytes, t0, t1) |
1078 | char *direction; | |
5ac6fc46 | 1079 | long bytes; |
e0b077fe SL |
1080 | struct timeval *t0, *t1; |
1081 | { | |
1082 | struct timeval td; | |
6ee561e3 | 1083 | float s, bs; |
e0b077fe | 1084 | |
7237c6ef KB |
1085 | if (verbose) { |
1086 | tvsub(&td, t1, t0); | |
1087 | s = td.tv_sec + (td.tv_usec / 1000000.); | |
e0b077fe | 1088 | #define nz(x) ((x) == 0 ? 1 : (x)) |
7237c6ef KB |
1089 | bs = bytes / nz(s); |
1090 | printf("%ld bytes %s in %.2g seconds (%.2g Kbytes/s)\n", | |
1091 | bytes, direction, s, bs / 1024.); | |
7237c6ef | 1092 | } |
e0b077fe SL |
1093 | } |
1094 | ||
04480325 | 1095 | /*tvadd(tsum, t0) |
e0b077fe SL |
1096 | struct timeval *tsum, *t0; |
1097 | { | |
1098 | ||
1099 | tsum->tv_sec += t0->tv_sec; | |
1100 | tsum->tv_usec += t0->tv_usec; | |
1101 | if (tsum->tv_usec > 1000000) | |
1102 | tsum->tv_sec++, tsum->tv_usec -= 1000000; | |
04480325 | 1103 | } */ |
e0b077fe SL |
1104 | |
1105 | tvsub(tdiff, t1, t0) | |
1106 | struct timeval *tdiff, *t1, *t0; | |
1107 | { | |
1108 | ||
1109 | tdiff->tv_sec = t1->tv_sec - t0->tv_sec; | |
1110 | tdiff->tv_usec = t1->tv_usec - t0->tv_usec; | |
1111 | if (tdiff->tv_usec < 0) | |
1112 | tdiff->tv_sec--, tdiff->tv_usec += 1000000; | |
1113 | } | |
9069f68e GM |
1114 | |
1115 | psabort() | |
1116 | { | |
1117 | extern int abrtflag; | |
1118 | ||
1119 | abrtflag++; | |
1120 | } | |
1121 | ||
1122 | pswitch(flag) | |
1123 | int flag; | |
1124 | { | |
1125 | extern int proxy, abrtflag; | |
1126 | int (*oldintr)(); | |
1127 | static struct comvars { | |
1128 | int connect; | |
f2cc6cbf | 1129 | char name[MAXHOSTNAMELEN]; |
9069f68e GM |
1130 | struct sockaddr_in mctl; |
1131 | struct sockaddr_in hctl; | |
1132 | FILE *in; | |
1133 | FILE *out; | |
9069f68e GM |
1134 | int tpe; |
1135 | int cpnd; | |
1136 | int sunqe; | |
1137 | int runqe; | |
1138 | int mcse; | |
1139 | int ntflg; | |
1140 | char nti[17]; | |
1141 | char nto[17]; | |
1142 | int mapflg; | |
1143 | char mi[MAXPATHLEN]; | |
1144 | char mo[MAXPATHLEN]; | |
1145 | } proxstruct, tmpstruct; | |
1146 | struct comvars *ip, *op; | |
1147 | ||
1148 | abrtflag = 0; | |
1149 | oldintr = signal(SIGINT, psabort); | |
1150 | if (flag) { | |
98c50518 | 1151 | if (proxy) |
9069f68e | 1152 | return; |
9069f68e GM |
1153 | ip = &tmpstruct; |
1154 | op = &proxstruct; | |
1155 | proxy++; | |
1156 | } | |
1157 | else { | |
98c50518 | 1158 | if (!proxy) |
9069f68e | 1159 | return; |
9069f68e GM |
1160 | ip = &proxstruct; |
1161 | op = &tmpstruct; | |
1162 | proxy = 0; | |
1163 | } | |
1164 | ip->connect = connected; | |
1165 | connected = op->connect; | |
f2cc6cbf MK |
1166 | if (hostname) { |
1167 | (void) strncpy(ip->name, hostname, sizeof(ip->name) - 1); | |
1168 | ip->name[strlen(ip->name)] = '\0'; | |
1169 | } else | |
1170 | ip->name[0] = 0; | |
9069f68e GM |
1171 | hostname = op->name; |
1172 | ip->hctl = hisctladdr; | |
1173 | hisctladdr = op->hctl; | |
1174 | ip->mctl = myctladdr; | |
1175 | myctladdr = op->mctl; | |
1176 | ip->in = cin; | |
1177 | cin = op->in; | |
1178 | ip->out = cout; | |
1179 | cout = op->out; | |
9069f68e GM |
1180 | ip->tpe = type; |
1181 | type = op->tpe; | |
98c50518 | 1182 | if (!type) |
9069f68e | 1183 | type = 1; |
9069f68e GM |
1184 | ip->cpnd = cpend; |
1185 | cpend = op->cpnd; | |
1186 | ip->sunqe = sunique; | |
1187 | sunique = op->sunqe; | |
1188 | ip->runqe = runique; | |
1189 | runique = op->runqe; | |
1190 | ip->mcse = mcase; | |
1191 | mcase = op->mcse; | |
1192 | ip->ntflg = ntflag; | |
1193 | ntflag = op->ntflg; | |
04480325 | 1194 | (void) strncpy(ip->nti, ntin, 16); |
9069f68e | 1195 | (ip->nti)[strlen(ip->nti)] = '\0'; |
04480325 GM |
1196 | (void) strcpy(ntin, op->nti); |
1197 | (void) strncpy(ip->nto, ntout, 16); | |
9069f68e | 1198 | (ip->nto)[strlen(ip->nto)] = '\0'; |
04480325 | 1199 | (void) strcpy(ntout, op->nto); |
9069f68e GM |
1200 | ip->mapflg = mapflag; |
1201 | mapflag = op->mapflg; | |
04480325 | 1202 | (void) strncpy(ip->mi, mapin, MAXPATHLEN - 1); |
9069f68e | 1203 | (ip->mi)[strlen(ip->mi)] = '\0'; |
04480325 GM |
1204 | (void) strcpy(mapin, op->mi); |
1205 | (void) strncpy(ip->mo, mapout, MAXPATHLEN - 1); | |
9069f68e | 1206 | (ip->mo)[strlen(ip->mo)] = '\0'; |
04480325 | 1207 | (void) strcpy(mapout, op->mo); |
9069f68e GM |
1208 | (void) signal(SIGINT, oldintr); |
1209 | if (abrtflag) { | |
1210 | abrtflag = 0; | |
1211 | (*oldintr)(); | |
98c50518 | 1212 | } |
9069f68e GM |
1213 | } |
1214 | ||
1215 | jmp_buf ptabort; | |
1216 | int ptabflg; | |
1217 | ||
1218 | abortpt() | |
1219 | { | |
1220 | printf("\n"); | |
04480325 | 1221 | (void) fflush(stdout); |
9069f68e GM |
1222 | ptabflg++; |
1223 | mflag = 0; | |
1224 | abrtflag = 0; | |
1225 | longjmp(ptabort, 1); | |
1226 | } | |
1227 | ||
1228 | proxtrans(cmd, local, remote) | |
1229 | char *cmd, *local, *remote; | |
1230 | { | |
bd9f17de | 1231 | int (*oldintr)(), abortpt(), tmptype, oldtype = 0, secndflag = 0, nfnd; |
9069f68e GM |
1232 | extern jmp_buf ptabort; |
1233 | char *cmd2; | |
04480325 | 1234 | struct fd_set mask; |
9069f68e | 1235 | |
98c50518 | 1236 | if (strcmp(cmd, "RETR")) |
9069f68e | 1237 | cmd2 = "RETR"; |
98c50518 | 1238 | else |
9069f68e | 1239 | cmd2 = runique ? "STOU" : "STOR"; |
9069f68e GM |
1240 | if (command("PASV") != COMPLETE) { |
1241 | printf("proxy server does not support third part transfers.\n"); | |
1242 | return; | |
1243 | } | |
1244 | tmptype = type; | |
1245 | pswitch(0); | |
1246 | if (!connected) { | |
1247 | printf("No primary connection\n"); | |
1248 | pswitch(1); | |
1249 | code = -1; | |
1250 | return; | |
1251 | } | |
1252 | if (type != tmptype) { | |
1253 | oldtype = type; | |
1254 | switch (tmptype) { | |
1255 | case TYPE_A: | |
1256 | setascii(); | |
1257 | break; | |
1258 | case TYPE_I: | |
1259 | setbinary(); | |
1260 | break; | |
1261 | case TYPE_E: | |
1262 | setebcdic(); | |
1263 | break; | |
1264 | case TYPE_L: | |
1265 | settenex(); | |
1266 | break; | |
1267 | } | |
1268 | } | |
1269 | if (command("PORT %s", pasv) != COMPLETE) { | |
1270 | switch (oldtype) { | |
1271 | case 0: | |
1272 | break; | |
1273 | case TYPE_A: | |
1274 | setascii(); | |
1275 | break; | |
1276 | case TYPE_I: | |
1277 | setbinary(); | |
1278 | break; | |
1279 | case TYPE_E: | |
1280 | setebcdic(); | |
1281 | break; | |
1282 | case TYPE_L: | |
1283 | settenex(); | |
1284 | break; | |
1285 | } | |
1286 | pswitch(1); | |
1287 | return; | |
1288 | } | |
98c50518 | 1289 | if (setjmp(ptabort)) |
9069f68e | 1290 | goto abort; |
9069f68e GM |
1291 | oldintr = signal(SIGINT, abortpt); |
1292 | if (command("%s %s", cmd, remote) != PRELIM) { | |
1293 | (void) signal(SIGINT, oldintr); | |
1294 | switch (oldtype) { | |
1295 | case 0: | |
1296 | break; | |
1297 | case TYPE_A: | |
1298 | setascii(); | |
1299 | break; | |
1300 | case TYPE_I: | |
1301 | setbinary(); | |
1302 | break; | |
1303 | case TYPE_E: | |
1304 | setebcdic(); | |
1305 | break; | |
1306 | case TYPE_L: | |
1307 | settenex(); | |
1308 | break; | |
1309 | } | |
1310 | pswitch(1); | |
1311 | return; | |
1312 | } | |
1313 | sleep(2); | |
1314 | pswitch(1); | |
1315 | secndflag++; | |
98c50518 | 1316 | if (command("%s %s", cmd2, local) != PRELIM) |
9069f68e | 1317 | goto abort; |
9069f68e GM |
1318 | ptflag++; |
1319 | (void) getreply(0); | |
1320 | pswitch(0); | |
1321 | (void) getreply(0); | |
1322 | (void) signal(SIGINT, oldintr); | |
1323 | switch (oldtype) { | |
1324 | case 0: | |
1325 | break; | |
1326 | case TYPE_A: | |
1327 | setascii(); | |
1328 | break; | |
1329 | case TYPE_I: | |
1330 | setbinary(); | |
1331 | break; | |
1332 | case TYPE_E: | |
1333 | setebcdic(); | |
1334 | break; | |
1335 | case TYPE_L: | |
1336 | settenex(); | |
1337 | break; | |
1338 | } | |
1339 | pswitch(1); | |
1340 | ptflag = 0; | |
1341 | printf("local: %s remote: %s\n", local, remote); | |
1342 | return; | |
1343 | abort: | |
1344 | (void) signal(SIGINT, SIG_IGN); | |
1345 | ptflag = 0; | |
98c50518 | 1346 | if (strcmp(cmd, "RETR") && !proxy) |
9069f68e | 1347 | pswitch(1); |
98c50518 | 1348 | else if (!strcmp(cmd, "RETR") && proxy) |
9069f68e | 1349 | pswitch(0); |
9069f68e GM |
1350 | if (!cpend && !secndflag) { /* only here if cmd = "STOR" (proxy=1) */ |
1351 | if (command("%s %s", cmd2, local) != PRELIM) { | |
1352 | pswitch(0); | |
1353 | switch (oldtype) { | |
1354 | case 0: | |
1355 | break; | |
1356 | case TYPE_A: | |
1357 | setascii(); | |
1358 | break; | |
1359 | case TYPE_I: | |
1360 | setbinary(); | |
1361 | break; | |
1362 | case TYPE_E: | |
1363 | setebcdic(); | |
1364 | break; | |
1365 | case TYPE_L: | |
1366 | settenex(); | |
1367 | break; | |
1368 | } | |
bd9f17de | 1369 | if (cpend) { |
9069f68e GM |
1370 | char msg[2]; |
1371 | ||
1372 | fprintf(cout,"%c%c",IAC,IP); | |
1373 | (void) fflush(cout); | |
1374 | *msg = IAC; | |
1375 | *(msg+1) = DM; | |
98c50518 | 1376 | if (send(fileno(cout),msg,2,MSG_OOB) != 2) |
9069f68e | 1377 | perror("abort"); |
9069f68e GM |
1378 | fprintf(cout,"ABOR\r\n"); |
1379 | (void) fflush(cout); | |
bd9f17de | 1380 | FD_ZERO(&mask); |
04480325 | 1381 | FD_SET(fileno(cin), &mask); |
bd9f17de GM |
1382 | if ((nfnd = empty(&mask,10)) <= 0) { |
1383 | if (nfnd < 0) { | |
1384 | perror("abort"); | |
1385 | } | |
98c50518 | 1386 | if (ptabflg) |
9069f68e | 1387 | code = -1; |
9069f68e GM |
1388 | lostpeer(); |
1389 | } | |
1390 | (void) getreply(0); | |
1391 | (void) getreply(0); | |
1392 | } | |
1393 | } | |
1394 | pswitch(1); | |
98c50518 | 1395 | if (ptabflg) |
9069f68e | 1396 | code = -1; |
9069f68e GM |
1397 | (void) signal(SIGINT, oldintr); |
1398 | return; | |
1399 | } | |
bd9f17de | 1400 | if (cpend) { |
9069f68e GM |
1401 | char msg[2]; |
1402 | ||
1403 | fprintf(cout,"%c%c",IAC,IP); | |
1404 | (void) fflush(cout); | |
1405 | *msg = IAC; | |
1406 | *(msg+1) = DM; | |
98c50518 | 1407 | if (send(fileno(cout),msg,2,MSG_OOB) != 2) |
9069f68e | 1408 | perror("abort"); |
9069f68e GM |
1409 | fprintf(cout,"ABOR\r\n"); |
1410 | (void) fflush(cout); | |
bd9f17de | 1411 | FD_ZERO(&mask); |
04480325 | 1412 | FD_SET(fileno(cin), &mask); |
bd9f17de GM |
1413 | if ((nfnd = empty(&mask,10)) <= 0) { |
1414 | if (nfnd < 0) { | |
1415 | perror("abort"); | |
1416 | } | |
98c50518 | 1417 | if (ptabflg) |
9069f68e | 1418 | code = -1; |
9069f68e GM |
1419 | lostpeer(); |
1420 | } | |
1421 | (void) getreply(0); | |
1422 | (void) getreply(0); | |
1423 | } | |
1424 | pswitch(!proxy); | |
1425 | if (!cpend && !secndflag) { /* only if cmd = "RETR" (proxy=1) */ | |
1426 | if (command("%s %s", cmd2, local) != PRELIM) { | |
1427 | pswitch(0); | |
1428 | switch (oldtype) { | |
1429 | case 0: | |
1430 | break; | |
1431 | case TYPE_A: | |
1432 | setascii(); | |
1433 | break; | |
1434 | case TYPE_I: | |
1435 | setbinary(); | |
1436 | break; | |
1437 | case TYPE_E: | |
1438 | setebcdic(); | |
1439 | break; | |
1440 | case TYPE_L: | |
1441 | settenex(); | |
1442 | break; | |
1443 | } | |
bd9f17de | 1444 | if (cpend) { |
9069f68e GM |
1445 | char msg[2]; |
1446 | ||
1447 | fprintf(cout,"%c%c",IAC,IP); | |
1448 | (void) fflush(cout); | |
1449 | *msg = IAC; | |
1450 | *(msg+1) = DM; | |
98c50518 | 1451 | if (send(fileno(cout),msg,2,MSG_OOB) != 2) |
9069f68e | 1452 | perror("abort"); |
9069f68e GM |
1453 | fprintf(cout,"ABOR\r\n"); |
1454 | (void) fflush(cout); | |
bd9f17de | 1455 | FD_ZERO(&mask); |
04480325 | 1456 | FD_SET(fileno(cin), &mask); |
bd9f17de GM |
1457 | if ((nfnd = empty(&mask,10)) <= 0) { |
1458 | if (nfnd < 0) { | |
1459 | perror("abort"); | |
1460 | } | |
98c50518 | 1461 | if (ptabflg) |
9069f68e | 1462 | code = -1; |
9069f68e GM |
1463 | lostpeer(); |
1464 | } | |
1465 | (void) getreply(0); | |
1466 | (void) getreply(0); | |
1467 | } | |
1468 | pswitch(1); | |
98c50518 | 1469 | if (ptabflg) |
9069f68e | 1470 | code = -1; |
9069f68e GM |
1471 | (void) signal(SIGINT, oldintr); |
1472 | return; | |
1473 | } | |
1474 | } | |
bd9f17de | 1475 | if (cpend) { |
9069f68e GM |
1476 | char msg[2]; |
1477 | ||
1478 | fprintf(cout,"%c%c",IAC,IP); | |
1479 | (void) fflush(cout); | |
1480 | *msg = IAC; | |
1481 | *(msg+1) = DM; | |
98c50518 | 1482 | if (send(fileno(cout),msg,2,MSG_OOB) != 2) |
9069f68e | 1483 | perror("abort"); |
9069f68e GM |
1484 | fprintf(cout,"ABOR\r\n"); |
1485 | (void) fflush(cout); | |
bd9f17de | 1486 | FD_ZERO(&mask); |
04480325 | 1487 | FD_SET(fileno(cin), &mask); |
bd9f17de GM |
1488 | if ((nfnd = empty(&mask,10)) <= 0) { |
1489 | if (nfnd < 0) { | |
1490 | perror("abort"); | |
1491 | } | |
98c50518 | 1492 | if (ptabflg) |
9069f68e | 1493 | code = -1; |
9069f68e GM |
1494 | lostpeer(); |
1495 | } | |
1496 | (void) getreply(0); | |
1497 | (void) getreply(0); | |
1498 | } | |
1499 | pswitch(!proxy); | |
1500 | if (cpend) { | |
bd9f17de | 1501 | FD_ZERO(&mask); |
04480325 | 1502 | FD_SET(fileno(cin), &mask); |
bd9f17de GM |
1503 | if ((nfnd = empty(&mask,10)) <= 0) { |
1504 | if (nfnd < 0) { | |
1505 | perror("abort"); | |
1506 | } | |
98c50518 | 1507 | if (ptabflg) |
9069f68e | 1508 | code = -1; |
9069f68e GM |
1509 | lostpeer(); |
1510 | } | |
1511 | (void) getreply(0); | |
1512 | (void) getreply(0); | |
1513 | } | |
98c50518 | 1514 | if (proxy) |
9069f68e | 1515 | pswitch(0); |
9069f68e GM |
1516 | switch (oldtype) { |
1517 | case 0: | |
1518 | break; | |
1519 | case TYPE_A: | |
1520 | setascii(); | |
1521 | break; | |
1522 | case TYPE_I: | |
1523 | setbinary(); | |
1524 | break; | |
1525 | case TYPE_E: | |
1526 | setebcdic(); | |
1527 | break; | |
1528 | case TYPE_L: | |
1529 | settenex(); | |
1530 | break; | |
1531 | } | |
1532 | pswitch(1); | |
98c50518 | 1533 | if (ptabflg) |
9069f68e | 1534 | code = -1; |
9069f68e GM |
1535 | (void) signal(SIGINT, oldintr); |
1536 | } | |
1537 | ||
1538 | reset() | |
1539 | { | |
04480325 GM |
1540 | struct fd_set mask; |
1541 | int nfnd = 1; | |
9069f68e | 1542 | |
bd9f17de | 1543 | FD_ZERO(&mask); |
cb34d416 | 1544 | while (nfnd > 0) { |
04480325 | 1545 | FD_SET(fileno(cin), &mask); |
bd9f17de | 1546 | if ((nfnd = empty(&mask,0)) < 0) { |
9069f68e GM |
1547 | perror("reset"); |
1548 | code = -1; | |
1549 | lostpeer(); | |
1550 | } | |
bd9f17de | 1551 | else if (nfnd) { |
9069f68e | 1552 | (void) getreply(0); |
04480325 | 1553 | } |
9069f68e GM |
1554 | } |
1555 | } | |
1556 | ||
1557 | char * | |
1558 | gunique(local) | |
1559 | char *local; | |
1560 | { | |
1561 | static char new[MAXPATHLEN]; | |
1562 | char *cp = rindex(local, '/'); | |
1563 | int d, count=0; | |
1564 | char ext = '1'; | |
1565 | ||
98c50518 | 1566 | if (cp) |
9069f68e | 1567 | *cp = '\0'; |
9069f68e | 1568 | d = access(cp ? local : ".", 2); |
98c50518 | 1569 | if (cp) |
9069f68e | 1570 | *cp = '/'; |
9069f68e GM |
1571 | if (d < 0) { |
1572 | perror(local); | |
1573 | return((char *) 0); | |
1574 | } | |
1575 | (void) strcpy(new, local); | |
1576 | cp = new + strlen(new); | |
1577 | *cp++ = '.'; | |
1578 | while (!d) { | |
1579 | if (++count == 100) { | |
1580 | printf("runique: can't find unique file name.\n"); | |
1581 | return((char *) 0); | |
1582 | } | |
1583 | *cp++ = ext; | |
1584 | *cp = '\0'; | |
98c50518 | 1585 | if (ext == '9') |
9069f68e | 1586 | ext = '0'; |
98c50518 | 1587 | else |
9069f68e | 1588 | ext++; |
98c50518 | 1589 | if ((d = access(new, 0)) < 0) |
9069f68e | 1590 | break; |
98c50518 | 1591 | if (ext != '0') |
9069f68e | 1592 | cp--; |
98c50518 | 1593 | else if (*(cp - 2) == '.') |
9069f68e | 1594 | *(cp - 1) = '1'; |
9069f68e GM |
1595 | else { |
1596 | *(cp - 2) = *(cp - 2) + 1; | |
1597 | cp--; | |
1598 | } | |
1599 | } | |
1600 | return(new); | |
1601 | } |