Commit | Line | Data |
---|---|---|
edf71f48 | 1 | /* |
63c685da | 2 | * Copyright (c) 1985, 1989 Regents of the University of California. |
11c5f0a3 KB |
3 | * All rights reserved. |
4 | * | |
1343342a | 5 | * %sccs.include.redist.c% |
edf71f48 DF |
6 | */ |
7 | ||
e0b077fe | 8 | #ifndef lint |
1e7cb3dc | 9 | static char sccsid[] = "@(#)ftp.c 5.39 (Berkeley) %G%"; |
11c5f0a3 | 10 | #endif /* not lint */ |
e0b077fe | 11 | |
cdc35b45 | 12 | #include <sys/param.h> |
e0b077fe SL |
13 | #include <sys/stat.h> |
14 | #include <sys/ioctl.h> | |
15 | #include <sys/socket.h> | |
19371098 | 16 | #include <sys/time.h> |
ff00793c | 17 | #include <sys/file.h> |
e0b077fe SL |
18 | |
19 | #include <netinet/in.h> | |
ba53b3b0 MK |
20 | #include <netinet/in_systm.h> |
21 | #include <netinet/ip.h> | |
62c4a390 | 22 | #include <arpa/ftp.h> |
9069f68e | 23 | #include <arpa/telnet.h> |
e0b077fe | 24 | |
e0b077fe | 25 | #include <signal.h> |
e0b077fe | 26 | #include <netdb.h> |
9069f68e | 27 | #include <fcntl.h> |
1e7cb3dc | 28 | #include <errno.h> |
9069f68e | 29 | #include <pwd.h> |
1c86294d | 30 | #include <varargs.h> |
1e7cb3dc KB |
31 | #include <unistd.h> |
32 | #include <stdlib.h> | |
33 | #include <stdio.h> | |
34 | #include <string.h> | |
e0b077fe | 35 | |
cdc35b45 MK |
36 | #include "ftp_var.h" |
37 | ||
e0b077fe SL |
38 | struct sockaddr_in hisctladdr; |
39 | struct sockaddr_in data_addr; | |
40 | int data = -1; | |
9069f68e GM |
41 | int abrtflag = 0; |
42 | int ptflag = 0; | |
e0b077fe | 43 | struct sockaddr_in myctladdr; |
1c86294d | 44 | sig_t lostpeer(); |
e0b077fe | 45 | |
47e3d129 | 46 | extern int connected, errno; |
b2afde45 | 47 | |
e0b077fe SL |
48 | FILE *cin, *cout; |
49 | FILE *dataconn(); | |
50 | ||
198ce38e | 51 | char * |
e0b077fe SL |
52 | hookup(host, port) |
53 | char *host; | |
54 | int port; | |
55 | { | |
198ce38e | 56 | register struct hostent *hp = 0; |
ba53b3b0 | 57 | int s, len, tos; |
198ce38e | 58 | static char hostnamebuf[80]; |
e0b077fe SL |
59 | |
60 | bzero((char *)&hisctladdr, sizeof (hisctladdr)); | |
198ce38e MK |
61 | hisctladdr.sin_addr.s_addr = inet_addr(host); |
62 | if (hisctladdr.sin_addr.s_addr != -1) { | |
63 | hisctladdr.sin_family = AF_INET; | |
cdc35b45 MK |
64 | (void) strncpy(hostnamebuf, host, sizeof(hostnamebuf)); |
65 | } else { | |
5c91ebd4 | 66 | hp = gethostbyname(host); |
198ce38e | 67 | if (hp == NULL) { |
9059ff11 KB |
68 | fprintf(stderr, "ftp: %s: ", host); |
69 | herror((char *)NULL); | |
9069f68e GM |
70 | code = -1; |
71 | return((char *) 0); | |
198ce38e MK |
72 | } |
73 | hisctladdr.sin_family = hp->h_addrtype; | |
74 | bcopy(hp->h_addr_list[0], | |
75 | (caddr_t)&hisctladdr.sin_addr, hp->h_length); | |
cdc35b45 | 76 | (void) strncpy(hostnamebuf, hp->h_name, sizeof(hostnamebuf)); |
5c91ebd4 | 77 | } |
198ce38e MK |
78 | hostname = hostnamebuf; |
79 | s = socket(hisctladdr.sin_family, SOCK_STREAM, 0); | |
e0b077fe SL |
80 | if (s < 0) { |
81 | perror("ftp: socket"); | |
9069f68e | 82 | code = -1; |
e0b077fe SL |
83 | return (0); |
84 | } | |
e0b077fe | 85 | hisctladdr.sin_port = port; |
1c86294d | 86 | while (connect(s, (struct sockaddr *)&hisctladdr, sizeof (hisctladdr)) < 0) { |
198ce38e MK |
87 | if (hp && hp->h_addr_list[1]) { |
88 | int oerrno = errno; | |
1c86294d | 89 | extern char *inet_ntoa(); |
198ce38e MK |
90 | |
91 | fprintf(stderr, "ftp: connect to address %s: ", | |
92 | inet_ntoa(hisctladdr.sin_addr)); | |
93 | errno = oerrno; | |
04480325 | 94 | perror((char *) 0); |
198ce38e MK |
95 | hp->h_addr_list++; |
96 | bcopy(hp->h_addr_list[0], | |
9069f68e | 97 | (caddr_t)&hisctladdr.sin_addr, hp->h_length); |
04480325 | 98 | fprintf(stdout, "Trying %s...\n", |
198ce38e | 99 | inet_ntoa(hisctladdr.sin_addr)); |
d97e9a77 MK |
100 | (void) close(s); |
101 | s = socket(hisctladdr.sin_family, SOCK_STREAM, 0); | |
102 | if (s < 0) { | |
103 | perror("ftp: socket"); | |
104 | code = -1; | |
105 | return (0); | |
106 | } | |
198ce38e MK |
107 | continue; |
108 | } | |
e0b077fe | 109 | perror("ftp: connect"); |
9069f68e | 110 | code = -1; |
e0b077fe SL |
111 | goto bad; |
112 | } | |
8c1d51c7 | 113 | len = sizeof (myctladdr); |
1c86294d | 114 | if (getsockname(s, (struct sockaddr *)&myctladdr, &len) < 0) { |
8c1d51c7 | 115 | perror("ftp: getsockname"); |
9069f68e | 116 | code = -1; |
e0b077fe SL |
117 | goto bad; |
118 | } | |
ba53b3b0 MK |
119 | #ifdef IP_TOS |
120 | tos = IPTOS_LOWDELAY; | |
121 | if (setsockopt(s, IPPROTO_IP, IP_TOS, (char *)&tos, sizeof(int)) < 0) | |
73b5615b | 122 | perror("ftp: setsockopt TOS (ignored)"); |
ba53b3b0 | 123 | #endif |
e0b077fe SL |
124 | cin = fdopen(s, "r"); |
125 | cout = fdopen(s, "w"); | |
d33c618b | 126 | if (cin == NULL || cout == NULL) { |
e0b077fe SL |
127 | fprintf(stderr, "ftp: fdopen failed.\n"); |
128 | if (cin) | |
04480325 | 129 | (void) fclose(cin); |
e0b077fe | 130 | if (cout) |
04480325 | 131 | (void) fclose(cout); |
9069f68e | 132 | code = -1; |
e0b077fe SL |
133 | goto bad; |
134 | } | |
135 | if (verbose) | |
2e5611a5 | 136 | printf("Connected to %s.\n", hostname); |
bd9f17de | 137 | if (getreply(0) > 2) { /* read startup message from server */ |
9069f68e | 138 | if (cin) |
04480325 | 139 | (void) fclose(cin); |
9069f68e | 140 | if (cout) |
04480325 | 141 | (void) fclose(cout); |
9069f68e GM |
142 | code = -1; |
143 | goto bad; | |
144 | } | |
bd9f17de GM |
145 | #ifdef SO_OOBINLINE |
146 | { | |
147 | int on = 1; | |
9069f68e | 148 | |
47e3d129 | 149 | if (setsockopt(s, SOL_SOCKET, SO_OOBINLINE, (char *)&on, sizeof(on)) |
bd9f17de GM |
150 | < 0 && debug) { |
151 | perror("ftp: setsockopt"); | |
152 | } | |
153 | } | |
1c86294d | 154 | #endif /* SO_OOBINLINE */ |
9069f68e | 155 | |
198ce38e | 156 | return (hostname); |
e0b077fe | 157 | bad: |
04480325 | 158 | (void) close(s); |
198ce38e | 159 | return ((char *)0); |
e0b077fe SL |
160 | } |
161 | ||
198ce38e MK |
162 | login(host) |
163 | char *host; | |
e0b077fe | 164 | { |
9069f68e | 165 | char tmp[80]; |
3d38f149 | 166 | char *user, *pass, *acct, *getlogin(), *getpass(); |
9069f68e GM |
167 | int n, aflag = 0; |
168 | ||
169 | user = pass = acct = 0; | |
170 | if (ruserpass(host, &user, &pass, &acct) < 0) { | |
9069f68e GM |
171 | code = -1; |
172 | return(0); | |
173 | } | |
f58943be | 174 | while (user == NULL) { |
9069f68e | 175 | char *myname = getlogin(); |
e0b077fe | 176 | |
9069f68e GM |
177 | if (myname == NULL) { |
178 | struct passwd *pp = getpwuid(getuid()); | |
179 | ||
98c50518 | 180 | if (pp != NULL) |
9069f68e | 181 | myname = pp->pw_name; |
9069f68e | 182 | } |
f58943be MK |
183 | if (myname) |
184 | printf("Name (%s:%s): ", host, myname); | |
185 | else | |
186 | printf("Name (%s): ", host); | |
9069f68e GM |
187 | (void) fgets(tmp, sizeof(tmp) - 1, stdin); |
188 | tmp[strlen(tmp) - 1] = '\0'; | |
98c50518 | 189 | if (*tmp == '\0') |
9069f68e | 190 | user = myname; |
98c50518 | 191 | else |
9069f68e | 192 | user = tmp; |
9069f68e | 193 | } |
e0b077fe | 194 | n = command("USER %s", user); |
9069f68e | 195 | if (n == CONTINUE) { |
98c50518 | 196 | if (pass == NULL) |
3d38f149 | 197 | pass = getpass("Password:"); |
e0b077fe | 198 | n = command("PASS %s", pass); |
9069f68e | 199 | } |
e0b077fe | 200 | if (n == CONTINUE) { |
9069f68e | 201 | aflag++; |
3d38f149 | 202 | acct = getpass("Account:"); |
e0b077fe SL |
203 | n = command("ACCT %s", acct); |
204 | } | |
205 | if (n != COMPLETE) { | |
206 | fprintf(stderr, "Login failed.\n"); | |
207 | return (0); | |
208 | } | |
98c50518 | 209 | if (!aflag && acct != NULL) |
9069f68e | 210 | (void) command("ACCT %s", acct); |
98c50518 | 211 | if (proxy) |
9069f68e | 212 | return(1); |
9069f68e GM |
213 | for (n = 0; n < macnum; ++n) { |
214 | if (!strcmp("init", macros[n].mac_name)) { | |
04480325 | 215 | (void) strcpy(line, "$init"); |
9069f68e GM |
216 | makeargv(); |
217 | domacro(margc, margv); | |
218 | break; | |
219 | } | |
220 | } | |
e0b077fe SL |
221 | return (1); |
222 | } | |
223 | ||
47e3d129 | 224 | void |
9069f68e GM |
225 | cmdabort() |
226 | { | |
227 | extern jmp_buf ptabort; | |
228 | ||
229 | printf("\n"); | |
230 | (void) fflush(stdout); | |
231 | abrtflag++; | |
98c50518 | 232 | if (ptflag) |
9069f68e | 233 | longjmp(ptabort,1); |
9069f68e GM |
234 | } |
235 | ||
1c86294d RA |
236 | /*VARARGS*/ |
237 | command(va_alist) | |
238 | va_dcl | |
e0b077fe | 239 | { |
1c86294d RA |
240 | va_list ap; |
241 | char *fmt; | |
242 | int r; | |
47e3d129 KB |
243 | sig_t oldintr; |
244 | void cmdabort(); | |
e0b077fe | 245 | |
9069f68e | 246 | abrtflag = 0; |
e0b077fe SL |
247 | if (debug) { |
248 | printf("---> "); | |
1c86294d RA |
249 | va_start(ap); |
250 | fmt = va_arg(ap, char *); | |
251 | if (strncmp("PASS ", fmt, 5) == 0) | |
252 | printf("PASS XXXX"); | |
253 | else | |
254 | vfprintf(stdout, fmt, ap); | |
255 | va_end(ap); | |
e0b077fe SL |
256 | printf("\n"); |
257 | (void) fflush(stdout); | |
258 | } | |
d33c618b SL |
259 | if (cout == NULL) { |
260 | perror ("No control connection for command"); | |
9069f68e | 261 | code = -1; |
d33c618b SL |
262 | return (0); |
263 | } | |
1c86294d RA |
264 | oldintr = signal(SIGINT, cmdabort); |
265 | va_start(ap); | |
266 | fmt = va_arg(ap, char *); | |
267 | vfprintf(cout, fmt, ap); | |
268 | va_end(ap); | |
e0b077fe SL |
269 | fprintf(cout, "\r\n"); |
270 | (void) fflush(cout); | |
9069f68e GM |
271 | cpend = 1; |
272 | r = getreply(!strcmp(fmt, "QUIT")); | |
98c50518 | 273 | if (abrtflag && oldintr != SIG_IGN) |
b61c5edc | 274 | (*oldintr)(SIGINT); |
9069f68e GM |
275 | (void) signal(SIGINT, oldintr); |
276 | return(r); | |
e0b077fe SL |
277 | } |
278 | ||
5f5ed727 | 279 | char reply_string[BUFSIZ]; /* last line of previous reply */ |
ff00793c | 280 | |
e0b077fe SL |
281 | #include <ctype.h> |
282 | ||
283 | getreply(expecteof) | |
284 | int expecteof; | |
285 | { | |
d33c618b | 286 | register int c, n; |
9069f68e | 287 | register int dig; |
ff00793c | 288 | register char *cp; |
1c86294d | 289 | int originalcode = 0, continuation = 0; |
47e3d129 | 290 | sig_t oldintr; |
9069f68e GM |
291 | int pflag = 0; |
292 | char *pt = pasv; | |
47e3d129 | 293 | void cmdabort(); |
e0b077fe | 294 | |
1c86294d | 295 | oldintr = signal(SIGINT, cmdabort); |
e0b077fe SL |
296 | for (;;) { |
297 | dig = n = code = 0; | |
5f5ed727 | 298 | cp = reply_string; |
e0b077fe | 299 | while ((c = getc(cin)) != '\n') { |
bd9f17de GM |
300 | if (c == IAC) { /* handle telnet commands */ |
301 | switch (c = getc(cin)) { | |
302 | case WILL: | |
303 | case WONT: | |
304 | c = getc(cin); | |
1c86294d | 305 | fprintf(cout, "%c%c%c", IAC, DONT, c); |
bd9f17de GM |
306 | (void) fflush(cout); |
307 | break; | |
308 | case DO: | |
309 | case DONT: | |
310 | c = getc(cin); | |
1c86294d | 311 | fprintf(cout, "%c%c%c", IAC, WONT, c); |
bd9f17de GM |
312 | (void) fflush(cout); |
313 | break; | |
314 | default: | |
315 | break; | |
316 | } | |
317 | continue; | |
318 | } | |
e0b077fe SL |
319 | dig++; |
320 | if (c == EOF) { | |
9069f68e GM |
321 | if (expecteof) { |
322 | (void) signal(SIGINT,oldintr); | |
323 | code = 221; | |
e0b077fe | 324 | return (0); |
9069f68e | 325 | } |
e0b077fe | 326 | lostpeer(); |
9069f68e GM |
327 | if (verbose) { |
328 | printf("421 Service not available, remote server has closed connection\n"); | |
329 | (void) fflush(stdout); | |
9069f68e | 330 | } |
275fcb82 SJ |
331 | code = 421; |
332 | return(4); | |
e0b077fe | 333 | } |
9069f68e GM |
334 | if (c != '\r' && (verbose > 0 || |
335 | (verbose > -1 && n == '5' && dig > 4))) { | |
98c50518 JL |
336 | if (proxflag && |
337 | (dig == 1 || dig == 5 && verbose == 0)) | |
9069f68e | 338 | printf("%s:",hostname); |
04480325 | 339 | (void) putchar(c); |
9069f68e | 340 | } |
e0b077fe SL |
341 | if (dig < 4 && isdigit(c)) |
342 | code = code * 10 + (c - '0'); | |
98c50518 | 343 | if (!pflag && code == 227) |
9069f68e | 344 | pflag = 1; |
98c50518 | 345 | if (dig > 4 && pflag == 1 && isdigit(c)) |
9069f68e | 346 | pflag = 2; |
9069f68e | 347 | if (pflag == 2) { |
98c50518 | 348 | if (c != '\r' && c != ')') |
9069f68e | 349 | *pt++ = c; |
9069f68e GM |
350 | else { |
351 | *pt = '\0'; | |
352 | pflag = 3; | |
353 | } | |
354 | } | |
355 | if (dig == 4 && c == '-') { | |
98c50518 | 356 | if (continuation) |
9069f68e | 357 | code = 0; |
e0b077fe | 358 | continuation++; |
9069f68e | 359 | } |
e0b077fe SL |
360 | if (n == 0) |
361 | n = c; | |
5f5ed727 MK |
362 | if (cp < &reply_string[sizeof(reply_string) - 1]) |
363 | *cp++ = c; | |
e0b077fe | 364 | } |
9069f68e | 365 | if (verbose > 0 || verbose > -1 && n == '5') { |
04480325 | 366 | (void) putchar(c); |
7968a79f SL |
367 | (void) fflush (stdout); |
368 | } | |
e0b077fe SL |
369 | if (continuation && code != originalcode) { |
370 | if (originalcode == 0) | |
371 | originalcode = code; | |
372 | continue; | |
373 | } | |
ff00793c | 374 | *cp = '\0'; |
98c50518 | 375 | if (n != '1') |
9069f68e | 376 | cpend = 0; |
9069f68e | 377 | (void) signal(SIGINT,oldintr); |
98c50518 | 378 | if (code == 421 || originalcode == 421) |
9069f68e | 379 | lostpeer(); |
98c50518 | 380 | if (abrtflag && oldintr != cmdabort && oldintr != SIG_IGN) |
b61c5edc | 381 | (*oldintr)(SIGINT); |
14433a73 | 382 | return (n - '0'); |
e0b077fe SL |
383 | } |
384 | } | |
385 | ||
9069f68e | 386 | empty(mask, sec) |
bd9f17de | 387 | struct fd_set *mask; |
9069f68e GM |
388 | int sec; |
389 | { | |
390 | struct timeval t; | |
391 | ||
392 | t.tv_sec = (long) sec; | |
393 | t.tv_usec = 0; | |
bd9f17de | 394 | return(select(32, mask, (struct fd_set *) 0, (struct fd_set *) 0, &t)); |
9069f68e GM |
395 | } |
396 | ||
e0b077fe SL |
397 | jmp_buf sendabort; |
398 | ||
47e3d129 | 399 | void |
e0b077fe SL |
400 | abortsend() |
401 | { | |
402 | ||
9069f68e GM |
403 | mflag = 0; |
404 | abrtflag = 0; | |
1c86294d | 405 | printf("\nsend aborted\nwaiting for remote to finish abort\n"); |
9069f68e | 406 | (void) fflush(stdout); |
e0b077fe SL |
407 | longjmp(sendabort, 1); |
408 | } | |
409 | ||
cdc35b45 MK |
410 | #define HASHBYTES 1024 |
411 | ||
460419cd | 412 | sendrequest(cmd, local, remote, printnames) |
e0b077fe | 413 | char *cmd, *local, *remote; |
460419cd | 414 | int printnames; |
e0b077fe | 415 | { |
47e3d129 KB |
416 | struct stat st; |
417 | struct timeval start, stop; | |
418 | register int c, d; | |
3d38f149 | 419 | FILE *fin, *dout = 0, *popen(); |
1c86294d | 420 | int (*closefunc)(), pclose(), fclose(); |
63c685da | 421 | char buf[BUFSIZ], *bufp; |
cdc35b45 | 422 | long bytes = 0, hashbytes = HASHBYTES; |
47e3d129 KB |
423 | char *lmode, buf[BUFSIZ], *bufp; |
424 | void abortsend(); | |
e0b077fe | 425 | |
460419cd MK |
426 | if (verbose && printnames) { |
427 | if (local && *local != '-') | |
428 | printf("local: %s ", local); | |
429 | if (remote) | |
430 | printf("remote: %s\n", remote); | |
431 | } | |
9069f68e GM |
432 | if (proxy) { |
433 | proxtrans(cmd, local, remote); | |
434 | return; | |
435 | } | |
dcd54a7f MK |
436 | if (curtype != type) |
437 | changetype(type, 0); | |
e0b077fe | 438 | closefunc = NULL; |
9069f68e GM |
439 | oldintr = NULL; |
440 | oldintp = NULL; | |
47e3d129 | 441 | lmode = "w"; |
9069f68e GM |
442 | if (setjmp(sendabort)) { |
443 | while (cpend) { | |
444 | (void) getreply(0); | |
445 | } | |
446 | if (data >= 0) { | |
447 | (void) close(data); | |
448 | data = -1; | |
449 | } | |
98c50518 | 450 | if (oldintr) |
9069f68e | 451 | (void) signal(SIGINT,oldintr); |
98c50518 | 452 | if (oldintp) |
9069f68e | 453 | (void) signal(SIGPIPE,oldintp); |
9069f68e GM |
454 | code = -1; |
455 | return; | |
456 | } | |
e0b077fe SL |
457 | oldintr = signal(SIGINT, abortsend); |
458 | if (strcmp(local, "-") == 0) | |
459 | fin = stdin; | |
460 | else if (*local == '|') { | |
9069f68e | 461 | oldintp = signal(SIGPIPE,SIG_IGN); |
3d38f149 | 462 | fin = popen(local + 1, "r"); |
e0b077fe | 463 | if (fin == NULL) { |
9069f68e GM |
464 | perror(local + 1); |
465 | (void) signal(SIGINT, oldintr); | |
466 | (void) signal(SIGPIPE, oldintp); | |
467 | code = -1; | |
468 | return; | |
e0b077fe | 469 | } |
3d38f149 | 470 | closefunc = pclose; |
e0b077fe SL |
471 | } else { |
472 | fin = fopen(local, "r"); | |
473 | if (fin == NULL) { | |
b2afde45 RA |
474 | fprintf(stderr, "local: %s: %s\n", local, |
475 | strerror(errno)); | |
9069f68e GM |
476 | (void) signal(SIGINT, oldintr); |
477 | code = -1; | |
478 | return; | |
e0b077fe SL |
479 | } |
480 | closefunc = fclose; | |
481 | if (fstat(fileno(fin), &st) < 0 || | |
482 | (st.st_mode&S_IFMT) != S_IFREG) { | |
04480325 | 483 | fprintf(stdout, "%s: not a plain file.\n", local); |
9069f68e | 484 | (void) signal(SIGINT, oldintr); |
ff00793c | 485 | fclose(fin); |
9069f68e GM |
486 | code = -1; |
487 | return; | |
e0b077fe SL |
488 | } |
489 | } | |
9069f68e GM |
490 | if (initconn()) { |
491 | (void) signal(SIGINT, oldintr); | |
98c50518 | 492 | if (oldintp) |
9069f68e | 493 | (void) signal(SIGPIPE, oldintp); |
9069f68e | 494 | code = -1; |
ff00793c MK |
495 | if (closefunc != NULL) |
496 | (*closefunc)(fin); | |
9069f68e GM |
497 | return; |
498 | } | |
98c50518 | 499 | if (setjmp(sendabort)) |
9069f68e | 500 | goto abort; |
ff00793c | 501 | |
e0b077fe | 502 | if (remote) { |
9069f68e GM |
503 | if (command("%s %s", cmd, remote) != PRELIM) { |
504 | (void) signal(SIGINT, oldintr); | |
98c50518 | 505 | if (oldintp) |
9069f68e | 506 | (void) signal(SIGPIPE, oldintp); |
ff00793c MK |
507 | if (closefunc != NULL) |
508 | (*closefunc)(fin); | |
9069f68e GM |
509 | return; |
510 | } | |
e0b077fe | 511 | } else |
9069f68e GM |
512 | if (command("%s", cmd) != PRELIM) { |
513 | (void) signal(SIGINT, oldintr); | |
98c50518 | 514 | if (oldintp) |
9069f68e | 515 | (void) signal(SIGPIPE, oldintp); |
ff00793c MK |
516 | if (closefunc != NULL) |
517 | (*closefunc)(fin); | |
9069f68e GM |
518 | return; |
519 | } | |
47e3d129 | 520 | dout = dataconn(lmode); |
98c50518 | 521 | if (dout == NULL) |
9069f68e | 522 | goto abort; |
04480325 | 523 | (void) gettimeofday(&start, (struct timezone *)0); |
ff00793c | 524 | oldintp = signal(SIGPIPE, SIG_IGN); |
e72e65d8 | 525 | switch (curtype) { |
d33c618b SL |
526 | |
527 | case TYPE_I: | |
528 | case TYPE_L: | |
7968a79f | 529 | errno = d = 0; |
63c685da | 530 | while ((c = read(fileno(fin), buf, sizeof (buf))) > 0) { |
d33c618b | 531 | bytes += c; |
8b451c8e MK |
532 | for (bufp = buf; c > 0; c -= d, bufp += d) |
533 | if ((d = write(fileno(dout), bufp, c)) <= 0) | |
534 | break; | |
63c685da MK |
535 | for (bufp = buf; c > 0; c -= d, bufp += d) |
536 | if ((d = write(fileno(dout), bufp, c)) <= 0) | |
537 | break; | |
5ac6fc46 | 538 | if (hash) { |
cdc35b45 MK |
539 | while (bytes >= hashbytes) { |
540 | (void) putchar('#'); | |
541 | hashbytes += HASHBYTES; | |
542 | } | |
04480325 | 543 | (void) fflush(stdout); |
5ac6fc46 SL |
544 | } |
545 | } | |
614e24b6 | 546 | if (hash && bytes > 0) { |
cdc35b45 MK |
547 | if (bytes < HASHBYTES) |
548 | (void) putchar('#'); | |
04480325 GM |
549 | (void) putchar('\n'); |
550 | (void) fflush(stdout); | |
d33c618b SL |
551 | } |
552 | if (c < 0) | |
b2afde45 RA |
553 | fprintf(stderr, "local: %s: %s\n", local, |
554 | strerror(errno)); | |
63c685da MK |
555 | if (d <= 0) { |
556 | if (d == 0) | |
557 | fprintf(stderr, "netout: write returned 0?\n"); | |
558 | else if (errno != EPIPE) | |
ff00793c MK |
559 | perror("netout"); |
560 | bytes = -1; | |
561 | } | |
d33c618b SL |
562 | break; |
563 | ||
564 | case TYPE_A: | |
565 | while ((c = getc(fin)) != EOF) { | |
566 | if (c == '\n') { | |
5ac6fc46 | 567 | while (hash && (bytes >= hashbytes)) { |
04480325 GM |
568 | (void) putchar('#'); |
569 | (void) fflush(stdout); | |
cdc35b45 | 570 | hashbytes += HASHBYTES; |
5ac6fc46 | 571 | } |
d33c618b SL |
572 | if (ferror(dout)) |
573 | break; | |
04480325 | 574 | (void) putc('\r', dout); |
d33c618b SL |
575 | bytes++; |
576 | } | |
04480325 | 577 | (void) putc(c, dout); |
d33c618b | 578 | bytes++; |
9069f68e | 579 | /* if (c == '\r') { */ |
04480325 | 580 | /* (void) putc('\0', dout); /* this violates rfc */ |
9069f68e GM |
581 | /* bytes++; */ |
582 | /* } */ | |
d33c618b | 583 | } |
5ac6fc46 | 584 | if (hash) { |
614e24b6 | 585 | if (bytes < hashbytes) |
04480325 GM |
586 | (void) putchar('#'); |
587 | (void) putchar('\n'); | |
588 | (void) fflush(stdout); | |
5ac6fc46 | 589 | } |
d33c618b | 590 | if (ferror(fin)) |
b2afde45 RA |
591 | fprintf(stderr, "local: %s: %s\n", local, |
592 | strerror(errno)); | |
ff00793c MK |
593 | if (ferror(dout)) { |
594 | if (errno != EPIPE) | |
595 | perror("netout"); | |
596 | bytes = -1; | |
597 | } | |
d33c618b | 598 | break; |
e0b077fe | 599 | } |
04480325 | 600 | (void) gettimeofday(&stop, (struct timezone *)0); |
e0b077fe | 601 | if (closefunc != NULL) |
9069f68e | 602 | (*closefunc)(fin); |
e0b077fe | 603 | (void) fclose(dout); |
9069f68e GM |
604 | (void) getreply(0); |
605 | (void) signal(SIGINT, oldintr); | |
ff00793c MK |
606 | if (oldintp) |
607 | (void) signal(SIGPIPE, oldintp); | |
7237c6ef | 608 | if (bytes > 0) |
460419cd | 609 | ptransfer("sent", bytes, &start, &stop); |
e0b077fe | 610 | return; |
9069f68e | 611 | abort: |
04480325 | 612 | (void) gettimeofday(&stop, (struct timezone *)0); |
9069f68e | 613 | (void) signal(SIGINT, oldintr); |
98c50518 | 614 | if (oldintp) |
9069f68e | 615 | (void) signal(SIGPIPE, oldintp); |
9069f68e GM |
616 | if (!cpend) { |
617 | code = -1; | |
618 | return; | |
619 | } | |
620 | if (data >= 0) { | |
621 | (void) close(data); | |
622 | data = -1; | |
623 | } | |
98c50518 | 624 | if (dout) |
9069f68e | 625 | (void) fclose(dout); |
9069f68e GM |
626 | (void) getreply(0); |
627 | code = -1; | |
e0b077fe | 628 | if (closefunc != NULL && fin != NULL) |
9069f68e | 629 | (*closefunc)(fin); |
7237c6ef | 630 | if (bytes > 0) |
460419cd | 631 | ptransfer("sent", bytes, &start, &stop); |
e0b077fe SL |
632 | } |
633 | ||
634 | jmp_buf recvabort; | |
635 | ||
47e3d129 | 636 | void |
e0b077fe SL |
637 | abortrecv() |
638 | { | |
639 | ||
9069f68e GM |
640 | mflag = 0; |
641 | abrtflag = 0; | |
1c86294d | 642 | printf("\nreceive aborted\nwaiting for remote to finish abort\n"); |
9069f68e | 643 | (void) fflush(stdout); |
e0b077fe SL |
644 | longjmp(recvabort, 1); |
645 | } | |
646 | ||
47e3d129 KB |
647 | recvrequest(cmd, local, remote, lmode, printnames) |
648 | char *cmd, *local, *remote, *lmode; | |
e0b077fe | 649 | { |
3d38f149 | 650 | FILE *fout, *din = 0, *popen(); |
c1e630ed MK |
651 | char *bufp, *gunique(), msg; |
652 | static char *buf; | |
cdc35b45 | 653 | static int bufsize; |
1c86294d | 654 | static char *buf; |
cdc35b45 | 655 | long bytes = 0, hashbytes = HASHBYTES; |
7968a79f | 656 | register int c, d; |
e0b077fe | 657 | struct timeval start, stop; |
cdc35b45 | 658 | struct stat st; |
47e3d129 | 659 | void abortrecv(); |
e0b077fe | 660 | |
ff00793c | 661 | is_retr = strcmp(cmd, "RETR") == 0; |
460419cd MK |
662 | if (is_retr && verbose && printnames) { |
663 | if (local && *local != '-') | |
664 | printf("local: %s ", local); | |
665 | if (remote) | |
666 | printf("remote: %s\n", remote); | |
667 | } | |
ff00793c | 668 | if (proxy && is_retr) { |
9069f68e GM |
669 | proxtrans(cmd, local, remote); |
670 | return; | |
671 | } | |
e0b077fe | 672 | closefunc = NULL; |
9069f68e GM |
673 | oldintr = NULL; |
674 | oldintp = NULL; | |
ff00793c | 675 | tcrflag = !crflag && is_retr; |
9069f68e GM |
676 | if (setjmp(recvabort)) { |
677 | while (cpend) { | |
678 | (void) getreply(0); | |
679 | } | |
680 | if (data >= 0) { | |
681 | (void) close(data); | |
682 | data = -1; | |
683 | } | |
98c50518 | 684 | if (oldintr) |
9069f68e | 685 | (void) signal(SIGINT, oldintr); |
9069f68e GM |
686 | code = -1; |
687 | return; | |
688 | } | |
e0b077fe | 689 | oldintr = signal(SIGINT, abortrecv); |
9069f68e | 690 | if (strcmp(local, "-") && *local != '|') { |
e0b077fe | 691 | if (access(local, 2) < 0) { |
9069f68e GM |
692 | char *dir = rindex(local, '/'); |
693 | ||
694 | if (errno != ENOENT && errno != EACCES) { | |
b2afde45 RA |
695 | fprintf(stderr, "local: %s: %s\n", local, |
696 | strerror(errno)); | |
9069f68e GM |
697 | (void) signal(SIGINT, oldintr); |
698 | code = -1; | |
699 | return; | |
700 | } | |
701 | if (dir != NULL) | |
702 | *dir = 0; | |
703 | d = access(dir ? local : ".", 2); | |
704 | if (dir != NULL) | |
705 | *dir = '/'; | |
706 | if (d < 0) { | |
b2afde45 RA |
707 | fprintf(stderr, "local: %s: %s\n", local, |
708 | strerror(errno)); | |
9069f68e GM |
709 | (void) signal(SIGINT, oldintr); |
710 | code = -1; | |
711 | return; | |
712 | } | |
713 | if (!runique && errno == EACCES && | |
ff00793c | 714 | chmod(local, 0600) < 0) { |
b2afde45 RA |
715 | fprintf(stderr, "local: %s: %s\n", local, |
716 | strerror(errno)); | |
717 | (void) signal(SIGINT, oldintr); | |
9069f68e GM |
718 | (void) signal(SIGINT, oldintr); |
719 | code = -1; | |
720 | return; | |
721 | } | |
722 | if (runique && errno == EACCES && | |
723 | (local = gunique(local)) == NULL) { | |
724 | (void) signal(SIGINT, oldintr); | |
725 | code = -1; | |
726 | return; | |
e0b077fe | 727 | } |
e0b077fe | 728 | } |
9069f68e GM |
729 | else if (runique && (local = gunique(local)) == NULL) { |
730 | (void) signal(SIGINT, oldintr); | |
731 | code = -1; | |
732 | return; | |
733 | } | |
734 | } | |
dcd54a7f MK |
735 | if (!is_retr) { |
736 | if (curtype != TYPE_A) | |
737 | changetype(TYPE_A, 0); | |
738 | } else if (curtype != type) | |
739 | changetype(type, 0); | |
9069f68e GM |
740 | if (initconn()) { |
741 | (void) signal(SIGINT, oldintr); | |
742 | code = -1; | |
743 | return; | |
744 | } | |
98c50518 | 745 | if (setjmp(recvabort)) |
9069f68e | 746 | goto abort; |
dcd54a7f MK |
747 | if (is_retr && restart_point && |
748 | command("REST %ld", (long) restart_point) != CONTINUE) | |
749 | return; | |
e0b077fe | 750 | if (remote) { |
9069f68e GM |
751 | if (command("%s %s", cmd, remote) != PRELIM) { |
752 | (void) signal(SIGINT, oldintr); | |
9069f68e GM |
753 | return; |
754 | } | |
755 | } else { | |
756 | if (command("%s", cmd) != PRELIM) { | |
757 | (void) signal(SIGINT, oldintr); | |
9069f68e GM |
758 | return; |
759 | } | |
760 | } | |
761 | din = dataconn("r"); | |
762 | if (din == NULL) | |
763 | goto abort; | |
98c50518 | 764 | if (strcmp(local, "-") == 0) |
e0b077fe SL |
765 | fout = stdout; |
766 | else if (*local == '|') { | |
9069f68e | 767 | oldintp = signal(SIGPIPE, SIG_IGN); |
3d38f149 | 768 | fout = popen(local + 1, "w"); |
9069f68e GM |
769 | if (fout == NULL) { |
770 | perror(local+1); | |
771 | goto abort; | |
772 | } | |
3d38f149 | 773 | closefunc = pclose; |
cdc35b45 | 774 | } else { |
47e3d129 | 775 | fout = fopen(local, lmode); |
9069f68e | 776 | if (fout == NULL) { |
b2afde45 RA |
777 | fprintf(stderr, "local: %s: %s\n", local, |
778 | strerror(errno)); | |
9069f68e GM |
779 | goto abort; |
780 | } | |
e0b077fe SL |
781 | closefunc = fclose; |
782 | } | |
cdc35b45 MK |
783 | if (fstat(fileno(fout), &st) < 0 || st.st_blksize == 0) |
784 | st.st_blksize = BUFSIZ; | |
785 | if (st.st_blksize > bufsize) { | |
786 | if (buf) | |
787 | (void) free(buf); | |
1c86294d | 788 | buf = malloc((unsigned)st.st_blksize); |
cdc35b45 MK |
789 | if (buf == NULL) { |
790 | perror("malloc"); | |
8b451c8e | 791 | bufsize = 0; |
c1e630ed | 792 | bufsize = 0; |
cdc35b45 MK |
793 | goto abort; |
794 | } | |
795 | bufsize = st.st_blksize; | |
796 | } | |
04480325 | 797 | (void) gettimeofday(&start, (struct timezone *)0); |
dcd54a7f | 798 | switch (curtype) { |
d33c618b SL |
799 | |
800 | case TYPE_I: | |
801 | case TYPE_L: | |
7968a79f | 802 | errno = d = 0; |
cdc35b45 | 803 | while ((c = read(fileno(din), buf, bufsize)) > 0) { |
c1e630ed | 804 | if ((d = write(fileno(fout), buf, c)) != c) |
d33c618b SL |
805 | break; |
806 | bytes += c; | |
5ac6fc46 | 807 | if (hash) { |
cdc35b45 MK |
808 | while (bytes >= hashbytes) { |
809 | (void) putchar('#'); | |
810 | hashbytes += HASHBYTES; | |
811 | } | |
04480325 | 812 | (void) fflush(stdout); |
5ac6fc46 SL |
813 | } |
814 | } | |
614e24b6 | 815 | if (hash && bytes > 0) { |
cdc35b45 MK |
816 | if (bytes < HASHBYTES) |
817 | (void) putchar('#'); | |
04480325 GM |
818 | (void) putchar('\n'); |
819 | (void) fflush(stdout); | |
d33c618b | 820 | } |
ff00793c MK |
821 | if (c < 0) { |
822 | if (errno != EPIPE) | |
823 | perror("netin"); | |
824 | bytes = -1; | |
825 | } | |
63c685da MK |
826 | if (d < c) { |
827 | if (d < 0) | |
828 | perror(local); | |
829 | else | |
830 | fprintf(stderr, "%s: short write\n", local); | |
831 | } | |
d33c618b SL |
832 | break; |
833 | ||
834 | case TYPE_A: | |
835 | while ((c = getc(din)) != EOF) { | |
1c86294d RA |
836 | if (c == '\n') |
837 | bare_lfs++; | |
edb8d233 | 838 | while (c == '\r') { |
5ac6fc46 | 839 | while (hash && (bytes >= hashbytes)) { |
04480325 GM |
840 | (void) putchar('#'); |
841 | (void) fflush(stdout); | |
cdc35b45 | 842 | hashbytes += HASHBYTES; |
5ac6fc46 | 843 | } |
e0b077fe | 844 | bytes++; |
9069f68e | 845 | if ((c = getc(din)) != '\n' || tcrflag) { |
cdc35b45 MK |
846 | if (ferror(fout)) |
847 | goto break2; | |
848 | (void) putc('\r', fout); | |
63c685da MK |
849 | if (c == '\0') { |
850 | bytes++; | |
851 | goto contin2; | |
852 | } | |
853 | if (c == EOF) | |
cdc35b45 | 854 | goto contin2; |
8b451c8e MK |
855 | } |
856 | if (c == EOF) | |
857 | goto contin2; | |
d33c618b | 858 | } |
d33c618b | 859 | } |
cdc35b45 | 860 | (void) putc(c, fout); |
d33c618b | 861 | bytes++; |
cdc35b45 | 862 | contin2: ; |
e0b077fe | 863 | } |
cdc35b45 | 864 | break2: |
1c86294d RA |
865 | if (bare_lfs) { |
866 | printf("WARNING! %d bare linefeeds received in ASCII mode\n", bare_lfs); | |
867 | printf("File may not have transferred correctly.\n"); | |
868 | } | |
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)) |
b2afde45 RA |
881 | fprintf(stderr, "local: %s: %s\n", local, |
882 | strerror(errno)); | |
d33c618b | 883 | break; |
e0b077fe | 884 | } |
98c50518 | 885 | if (closefunc != NULL) |
9069f68e | 886 | (*closefunc)(fout); |
04480325 | 887 | (void) signal(SIGINT, oldintr); |
98c50518 | 888 | if (oldintp) |
9069f68e | 889 | (void) signal(SIGPIPE, oldintp); |
04480325 | 890 | (void) gettimeofday(&stop, (struct timezone *)0); |
9069f68e GM |
891 | (void) fclose(din); |
892 | (void) getreply(0); | |
ff00793c | 893 | if (bytes > 0 && is_retr) |
460419cd | 894 | ptransfer("received", bytes, &start, &stop); |
e0b077fe | 895 | return; |
9069f68e GM |
896 | abort: |
897 | ||
bd9f17de | 898 | /* abort using RFC959 recommended IP,SYNC sequence */ |
9069f68e | 899 | |
04480325 | 900 | (void) gettimeofday(&stop, (struct timezone *)0); |
98c50518 | 901 | if (oldintp) |
9069f68e | 902 | (void) signal(SIGPIPE, oldintr); |
1c86294d | 903 | (void) signal(SIGINT, SIG_IGN); |
9069f68e GM |
904 | if (!cpend) { |
905 | code = -1; | |
1c86294d | 906 | (void) signal(SIGINT, oldintr); |
9069f68e GM |
907 | return; |
908 | } | |
9069f68e | 909 | |
1c86294d | 910 | abort_remote(din); |
9069f68e GM |
911 | code = -1; |
912 | if (data >= 0) { | |
913 | (void) close(data); | |
914 | data = -1; | |
915 | } | |
98c50518 | 916 | if (closefunc != NULL && fout != NULL) |
e0b077fe | 917 | (*closefunc)(fout); |
98c50518 | 918 | if (din) |
9069f68e | 919 | (void) fclose(din); |
7237c6ef | 920 | if (bytes > 0) |
460419cd | 921 | ptransfer("received", bytes, &start, &stop); |
1c86294d | 922 | (void) signal(SIGINT, oldintr); |
e0b077fe SL |
923 | } |
924 | ||
925 | /* | |
47e3d129 KB |
926 | * Need to start a listen on the data channel before we send the command, |
927 | * otherwise the server's connect may fail. | |
e0b077fe SL |
928 | */ |
929 | initconn() | |
930 | { | |
931 | register char *p, *a; | |
9069f68e | 932 | int result, len, tmpno = 0; |
044f3211 | 933 | int on = 1; |
e0b077fe | 934 | |
5ac6fc46 | 935 | noport: |
e0b077fe | 936 | data_addr = myctladdr; |
5ac6fc46 SL |
937 | if (sendport) |
938 | data_addr.sin_port = 0; /* let system pick one */ | |
939 | if (data != -1) | |
1c86294d | 940 | (void) close(data); |
71a655cd | 941 | data = socket(AF_INET, SOCK_STREAM, 0); |
e0b077fe SL |
942 | if (data < 0) { |
943 | perror("ftp: socket"); | |
98c50518 | 944 | if (tmpno) |
9069f68e | 945 | sendport = 1; |
e0b077fe SL |
946 | return (1); |
947 | } | |
62c4a390 | 948 | if (!sendport) |
bd9f17de | 949 | if (setsockopt(data, SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof (on)) < 0) { |
a7d96790 | 950 | perror("ftp: setsockopt (reuse address)"); |
62c4a390 SL |
951 | goto bad; |
952 | } | |
04480325 | 953 | if (bind(data, (struct sockaddr *)&data_addr, sizeof (data_addr)) < 0) { |
e0b077fe SL |
954 | perror("ftp: bind"); |
955 | goto bad; | |
956 | } | |
e0b077fe | 957 | if (options & SO_DEBUG && |
bd9f17de | 958 | setsockopt(data, SOL_SOCKET, SO_DEBUG, (char *)&on, sizeof (on)) < 0) |
e0b077fe | 959 | perror("ftp: setsockopt (ignored)"); |
8c1d51c7 | 960 | len = sizeof (data_addr); |
1c86294d | 961 | if (getsockname(data, (struct sockaddr *)&data_addr, &len) < 0) { |
8c1d51c7 | 962 | perror("ftp: getsockname"); |
e0b077fe SL |
963 | goto bad; |
964 | } | |
98c50518 | 965 | if (listen(data, 1) < 0) |
e0b077fe | 966 | perror("ftp: listen"); |
5ac6fc46 SL |
967 | if (sendport) { |
968 | a = (char *)&data_addr.sin_addr; | |
969 | p = (char *)&data_addr.sin_port; | |
e0b077fe | 970 | #define UC(b) (((int)b)&0xff) |
5ac6fc46 SL |
971 | result = |
972 | command("PORT %d,%d,%d,%d,%d,%d", | |
973 | UC(a[0]), UC(a[1]), UC(a[2]), UC(a[3]), | |
974 | UC(p[0]), UC(p[1])); | |
975 | if (result == ERROR && sendport == -1) { | |
976 | sendport = 0; | |
9069f68e | 977 | tmpno = 1; |
5ac6fc46 SL |
978 | goto noport; |
979 | } | |
980 | return (result != COMPLETE); | |
981 | } | |
98c50518 | 982 | if (tmpno) |
9069f68e | 983 | sendport = 1; |
ba53b3b0 MK |
984 | #ifdef IP_TOS |
985 | on = IPTOS_THROUGHPUT; | |
986 | if (setsockopt(data, IPPROTO_IP, IP_TOS, (char *)&on, sizeof(int)) < 0) | |
73b5615b | 987 | perror("ftp: setsockopt TOS (ignored)"); |
ba53b3b0 | 988 | #endif |
5ac6fc46 | 989 | return (0); |
e0b077fe SL |
990 | bad: |
991 | (void) close(data), data = -1; | |
98c50518 | 992 | if (tmpno) |
9069f68e | 993 | sendport = 1; |
e0b077fe SL |
994 | return (1); |
995 | } | |
996 | ||
997 | FILE * | |
47e3d129 KB |
998 | dataconn(lmode) |
999 | char *lmode; | |
e0b077fe SL |
1000 | { |
1001 | struct sockaddr_in from; | |
ba53b3b0 | 1002 | int s, fromlen = sizeof (from), tos; |
e0b077fe | 1003 | |
04480325 | 1004 | s = accept(data, (struct sockaddr *) &from, &fromlen); |
e0b077fe SL |
1005 | if (s < 0) { |
1006 | perror("ftp: accept"); | |
1007 | (void) close(data), data = -1; | |
1008 | return (NULL); | |
1009 | } | |
1010 | (void) close(data); | |
1011 | data = s; | |
ba53b3b0 MK |
1012 | #ifdef IP_TOS |
1013 | tos = IPTOS_THROUGHPUT; | |
1014 | if (setsockopt(s, IPPROTO_IP, IP_TOS, (char *)&tos, sizeof(int)) < 0) | |
73b5615b | 1015 | perror("ftp: setsockopt TOS (ignored)"); |
ba53b3b0 | 1016 | #endif |
47e3d129 | 1017 | return (fdopen(data, lmode)); |
e0b077fe SL |
1018 | } |
1019 | ||
460419cd MK |
1020 | ptransfer(direction, bytes, t0, t1) |
1021 | char *direction; | |
5ac6fc46 | 1022 | long bytes; |
e0b077fe SL |
1023 | struct timeval *t0, *t1; |
1024 | { | |
1025 | struct timeval td; | |
6ee561e3 | 1026 | float s, bs; |
e0b077fe | 1027 | |
7237c6ef KB |
1028 | if (verbose) { |
1029 | tvsub(&td, t1, t0); | |
1030 | s = td.tv_sec + (td.tv_usec / 1000000.); | |
e0b077fe | 1031 | #define nz(x) ((x) == 0 ? 1 : (x)) |
7237c6ef KB |
1032 | bs = bytes / nz(s); |
1033 | printf("%ld bytes %s in %.2g seconds (%.2g Kbytes/s)\n", | |
1034 | bytes, direction, s, bs / 1024.); | |
7237c6ef | 1035 | } |
e0b077fe SL |
1036 | } |
1037 | ||
04480325 | 1038 | /*tvadd(tsum, t0) |
e0b077fe SL |
1039 | struct timeval *tsum, *t0; |
1040 | { | |
1041 | ||
1042 | tsum->tv_sec += t0->tv_sec; | |
1043 | tsum->tv_usec += t0->tv_usec; | |
1044 | if (tsum->tv_usec > 1000000) | |
1045 | tsum->tv_sec++, tsum->tv_usec -= 1000000; | |
04480325 | 1046 | } */ |
e0b077fe SL |
1047 | |
1048 | tvsub(tdiff, t1, t0) | |
1049 | struct timeval *tdiff, *t1, *t0; | |
1050 | { | |
1051 | ||
1052 | tdiff->tv_sec = t1->tv_sec - t0->tv_sec; | |
1053 | tdiff->tv_usec = t1->tv_usec - t0->tv_usec; | |
1054 | if (tdiff->tv_usec < 0) | |
1055 | tdiff->tv_sec--, tdiff->tv_usec += 1000000; | |
1056 | } | |
9069f68e | 1057 | |
47e3d129 | 1058 | void |
9069f68e GM |
1059 | psabort() |
1060 | { | |
1061 | extern int abrtflag; | |
1062 | ||
1063 | abrtflag++; | |
1064 | } | |
1065 | ||
1066 | pswitch(flag) | |
1067 | int flag; | |
1068 | { | |
1069 | extern int proxy, abrtflag; | |
47e3d129 | 1070 | sig_t oldintr; |
9069f68e GM |
1071 | static struct comvars { |
1072 | int connect; | |
f2cc6cbf | 1073 | char name[MAXHOSTNAMELEN]; |
9069f68e GM |
1074 | struct sockaddr_in mctl; |
1075 | struct sockaddr_in hctl; | |
1076 | FILE *in; | |
1077 | FILE *out; | |
9069f68e | 1078 | int tpe; |
dcd54a7f | 1079 | int curtpe; |
9069f68e GM |
1080 | int cpnd; |
1081 | int sunqe; | |
1082 | int runqe; | |
1083 | int mcse; | |
1084 | int ntflg; | |
1085 | char nti[17]; | |
1086 | char nto[17]; | |
1087 | int mapflg; | |
1088 | char mi[MAXPATHLEN]; | |
1089 | char mo[MAXPATHLEN]; | |
dcd54a7f | 1090 | } proxstruct, tmpstruct; |
9069f68e GM |
1091 | struct comvars *ip, *op; |
1092 | ||
1093 | abrtflag = 0; | |
1094 | oldintr = signal(SIGINT, psabort); | |
1095 | if (flag) { | |
98c50518 | 1096 | if (proxy) |
9069f68e | 1097 | return; |
9069f68e GM |
1098 | ip = &tmpstruct; |
1099 | op = &proxstruct; | |
1100 | proxy++; | |
dcd54a7f | 1101 | } else { |
98c50518 | 1102 | if (!proxy) |
9069f68e | 1103 | return; |
9069f68e GM |
1104 | ip = &proxstruct; |
1105 | op = &tmpstruct; | |
1106 | proxy = 0; | |
1107 | } | |
1108 | ip->connect = connected; | |
1109 | connected = op->connect; | |
f2cc6cbf MK |
1110 | if (hostname) { |
1111 | (void) strncpy(ip->name, hostname, sizeof(ip->name) - 1); | |
1112 | ip->name[strlen(ip->name)] = '\0'; | |
1113 | } else | |
1114 | ip->name[0] = 0; | |
9069f68e GM |
1115 | hostname = op->name; |
1116 | ip->hctl = hisctladdr; | |
1117 | hisctladdr = op->hctl; | |
1118 | ip->mctl = myctladdr; | |
1119 | myctladdr = op->mctl; | |
1120 | ip->in = cin; | |
1121 | cin = op->in; | |
1122 | ip->out = cout; | |
1123 | cout = op->out; | |
9069f68e GM |
1124 | ip->tpe = type; |
1125 | type = op->tpe; | |
dcd54a7f MK |
1126 | ip->curtpe = curtype; |
1127 | curtype = op->curtpe; | |
9069f68e GM |
1128 | ip->cpnd = cpend; |
1129 | cpend = op->cpnd; | |
1130 | ip->sunqe = sunique; | |
1131 | sunique = op->sunqe; | |
1132 | ip->runqe = runique; | |
1133 | runique = op->runqe; | |
1134 | ip->mcse = mcase; | |
1135 | mcase = op->mcse; | |
1136 | ip->ntflg = ntflag; | |
1137 | ntflag = op->ntflg; | |
04480325 | 1138 | (void) strncpy(ip->nti, ntin, 16); |
9069f68e | 1139 | (ip->nti)[strlen(ip->nti)] = '\0'; |
04480325 GM |
1140 | (void) strcpy(ntin, op->nti); |
1141 | (void) strncpy(ip->nto, ntout, 16); | |
9069f68e | 1142 | (ip->nto)[strlen(ip->nto)] = '\0'; |
04480325 | 1143 | (void) strcpy(ntout, op->nto); |
9069f68e GM |
1144 | ip->mapflg = mapflag; |
1145 | mapflag = op->mapflg; | |
04480325 | 1146 | (void) strncpy(ip->mi, mapin, MAXPATHLEN - 1); |
9069f68e | 1147 | (ip->mi)[strlen(ip->mi)] = '\0'; |
04480325 GM |
1148 | (void) strcpy(mapin, op->mi); |
1149 | (void) strncpy(ip->mo, mapout, MAXPATHLEN - 1); | |
9069f68e | 1150 | (ip->mo)[strlen(ip->mo)] = '\0'; |
04480325 | 1151 | (void) strcpy(mapout, op->mo); |
9069f68e GM |
1152 | (void) signal(SIGINT, oldintr); |
1153 | if (abrtflag) { | |
1154 | abrtflag = 0; | |
b61c5edc | 1155 | (*oldintr)(SIGINT); |
98c50518 | 1156 | } |
9069f68e GM |
1157 | } |
1158 | ||
1159 | jmp_buf ptabort; | |
1160 | int ptabflg; | |
1161 | ||
47e3d129 | 1162 | void |
9069f68e GM |
1163 | abortpt() |
1164 | { | |
1165 | printf("\n"); | |
04480325 | 1166 | (void) fflush(stdout); |
9069f68e GM |
1167 | ptabflg++; |
1168 | mflag = 0; | |
1169 | abrtflag = 0; | |
1170 | longjmp(ptabort, 1); | |
1171 | } | |
1172 | ||
1173 | proxtrans(cmd, local, remote) | |
1174 | char *cmd, *local, *remote; | |
1175 | { | |
47e3d129 | 1176 | sig_t oldintr; |
1c86294d | 1177 | int secndflag = 0, prox_type, nfnd; |
9069f68e GM |
1178 | extern jmp_buf ptabort; |
1179 | char *cmd2; | |
04480325 | 1180 | struct fd_set mask; |
47e3d129 | 1181 | void abortpt(); |
9069f68e | 1182 | |
98c50518 | 1183 | if (strcmp(cmd, "RETR")) |
9069f68e | 1184 | cmd2 = "RETR"; |
98c50518 | 1185 | else |
9069f68e | 1186 | cmd2 = runique ? "STOU" : "STOR"; |
dcd54a7f MK |
1187 | if ((prox_type = type) == 0) { |
1188 | if (unix_server && unix_proxy) | |
1189 | prox_type = TYPE_I; | |
1190 | else | |
1191 | prox_type = TYPE_A; | |
1192 | } | |
1193 | if (curtype != prox_type) | |
1194 | changetype(prox_type, 1); | |
9069f68e | 1195 | if (command("PASV") != COMPLETE) { |
dcd54a7f | 1196 | printf("proxy server does not support third party transfers.\n"); |
9069f68e GM |
1197 | return; |
1198 | } | |
9069f68e GM |
1199 | pswitch(0); |
1200 | if (!connected) { | |
1201 | printf("No primary connection\n"); | |
1202 | pswitch(1); | |
1203 | code = -1; | |
1204 | return; | |
1205 | } | |
dcd54a7f MK |
1206 | if (curtype != prox_type) |
1207 | changetype(prox_type, 1); | |
9069f68e | 1208 | if (command("PORT %s", pasv) != COMPLETE) { |
9069f68e GM |
1209 | pswitch(1); |
1210 | return; | |
1211 | } | |
98c50518 | 1212 | if (setjmp(ptabort)) |
9069f68e | 1213 | goto abort; |
9069f68e GM |
1214 | oldintr = signal(SIGINT, abortpt); |
1215 | if (command("%s %s", cmd, remote) != PRELIM) { | |
1216 | (void) signal(SIGINT, oldintr); | |
9069f68e GM |
1217 | pswitch(1); |
1218 | return; | |
1219 | } | |
1220 | sleep(2); | |
1221 | pswitch(1); | |
1222 | secndflag++; | |
98c50518 | 1223 | if (command("%s %s", cmd2, local) != PRELIM) |
9069f68e | 1224 | goto abort; |
9069f68e GM |
1225 | ptflag++; |
1226 | (void) getreply(0); | |
1227 | pswitch(0); | |
1228 | (void) getreply(0); | |
1229 | (void) signal(SIGINT, oldintr); | |
9069f68e GM |
1230 | pswitch(1); |
1231 | ptflag = 0; | |
1232 | printf("local: %s remote: %s\n", local, remote); | |
1233 | return; | |
1234 | abort: | |
1235 | (void) signal(SIGINT, SIG_IGN); | |
1236 | ptflag = 0; | |
98c50518 | 1237 | if (strcmp(cmd, "RETR") && !proxy) |
9069f68e | 1238 | pswitch(1); |
98c50518 | 1239 | else if (!strcmp(cmd, "RETR") && proxy) |
9069f68e | 1240 | pswitch(0); |
9069f68e GM |
1241 | if (!cpend && !secndflag) { /* only here if cmd = "STOR" (proxy=1) */ |
1242 | if (command("%s %s", cmd2, local) != PRELIM) { | |
1243 | pswitch(0); | |
1c86294d RA |
1244 | if (cpend) |
1245 | abort_remote((FILE *) NULL); | |
9069f68e GM |
1246 | } |
1247 | pswitch(1); | |
98c50518 | 1248 | if (ptabflg) |
9069f68e | 1249 | code = -1; |
9069f68e GM |
1250 | (void) signal(SIGINT, oldintr); |
1251 | return; | |
1252 | } | |
1c86294d RA |
1253 | if (cpend) |
1254 | abort_remote((FILE *) NULL); | |
9069f68e GM |
1255 | pswitch(!proxy); |
1256 | if (!cpend && !secndflag) { /* only if cmd = "RETR" (proxy=1) */ | |
1257 | if (command("%s %s", cmd2, local) != PRELIM) { | |
1258 | pswitch(0); | |
1c86294d RA |
1259 | if (cpend) |
1260 | abort_remote((FILE *) NULL); | |
9069f68e | 1261 | pswitch(1); |
98c50518 | 1262 | if (ptabflg) |
9069f68e | 1263 | code = -1; |
9069f68e GM |
1264 | (void) signal(SIGINT, oldintr); |
1265 | return; | |
1266 | } | |
1267 | } | |
1c86294d RA |
1268 | if (cpend) |
1269 | abort_remote((FILE *) NULL); | |
9069f68e GM |
1270 | pswitch(!proxy); |
1271 | if (cpend) { | |
bd9f17de | 1272 | FD_ZERO(&mask); |
04480325 | 1273 | FD_SET(fileno(cin), &mask); |
1c86294d | 1274 | if ((nfnd = empty(&mask, 10)) <= 0) { |
bd9f17de GM |
1275 | if (nfnd < 0) { |
1276 | perror("abort"); | |
1277 | } | |
98c50518 | 1278 | if (ptabflg) |
9069f68e | 1279 | code = -1; |
9069f68e GM |
1280 | lostpeer(); |
1281 | } | |
1282 | (void) getreply(0); | |
1283 | (void) getreply(0); | |
1284 | } | |
98c50518 | 1285 | if (proxy) |
9069f68e | 1286 | pswitch(0); |
9069f68e | 1287 | pswitch(1); |
98c50518 | 1288 | if (ptabflg) |
9069f68e | 1289 | code = -1; |
9069f68e GM |
1290 | (void) signal(SIGINT, oldintr); |
1291 | } | |
1292 | ||
1293 | reset() | |
1294 | { | |
04480325 GM |
1295 | struct fd_set mask; |
1296 | int nfnd = 1; | |
9069f68e | 1297 | |
bd9f17de | 1298 | FD_ZERO(&mask); |
cb34d416 | 1299 | while (nfnd > 0) { |
04480325 | 1300 | FD_SET(fileno(cin), &mask); |
bd9f17de | 1301 | if ((nfnd = empty(&mask,0)) < 0) { |
9069f68e GM |
1302 | perror("reset"); |
1303 | code = -1; | |
1304 | lostpeer(); | |
1305 | } | |
bd9f17de | 1306 | else if (nfnd) { |
9069f68e | 1307 | (void) getreply(0); |
04480325 | 1308 | } |
9069f68e GM |
1309 | } |
1310 | } | |
1311 | ||
1312 | char * | |
1313 | gunique(local) | |
1314 | char *local; | |
1315 | { | |
1316 | static char new[MAXPATHLEN]; | |
1317 | char *cp = rindex(local, '/'); | |
1318 | int d, count=0; | |
1319 | char ext = '1'; | |
1320 | ||
98c50518 | 1321 | if (cp) |
9069f68e | 1322 | *cp = '\0'; |
9069f68e | 1323 | d = access(cp ? local : ".", 2); |
98c50518 | 1324 | if (cp) |
9069f68e | 1325 | *cp = '/'; |
9069f68e | 1326 | if (d < 0) { |
b2afde45 | 1327 | fprintf(stderr, "local: %s: %s\n", local, strerror(errno)); |
9069f68e GM |
1328 | return((char *) 0); |
1329 | } | |
1330 | (void) strcpy(new, local); | |
1331 | cp = new + strlen(new); | |
1332 | *cp++ = '.'; | |
1333 | while (!d) { | |
1334 | if (++count == 100) { | |
1335 | printf("runique: can't find unique file name.\n"); | |
1336 | return((char *) 0); | |
1337 | } | |
1338 | *cp++ = ext; | |
1339 | *cp = '\0'; | |
98c50518 | 1340 | if (ext == '9') |
9069f68e | 1341 | ext = '0'; |
98c50518 | 1342 | else |
9069f68e | 1343 | ext++; |
98c50518 | 1344 | if ((d = access(new, 0)) < 0) |
9069f68e | 1345 | break; |
98c50518 | 1346 | if (ext != '0') |
9069f68e | 1347 | cp--; |
98c50518 | 1348 | else if (*(cp - 2) == '.') |
9069f68e | 1349 | *(cp - 1) = '1'; |
9069f68e GM |
1350 | else { |
1351 | *(cp - 2) = *(cp - 2) + 1; | |
1352 | cp--; | |
1353 | } | |
1354 | } | |
1355 | return(new); | |
1356 | } | |
1c86294d RA |
1357 | |
1358 | abort_remote(din) | |
1359 | FILE *din; | |
1360 | { | |
1361 | char buf[BUFSIZ]; | |
1362 | int nfnd; | |
1363 | struct fd_set mask; | |
1364 | ||
1365 | /* | |
1366 | * send IAC in urgent mode instead of DM because 4.3BSD places oob mark | |
1367 | * after urgent byte rather than before as is protocol now | |
1368 | */ | |
1369 | sprintf(buf, "%c%c%c", IAC, IP, IAC); | |
1370 | if (send(fileno(cout), buf, 3, MSG_OOB) != 3) | |
1371 | perror("abort"); | |
1372 | fprintf(cout,"%cABOR\r\n", DM); | |
1373 | (void) fflush(cout); | |
1374 | FD_ZERO(&mask); | |
1375 | FD_SET(fileno(cin), &mask); | |
1376 | if (din) { | |
1377 | FD_SET(fileno(din), &mask); | |
1378 | } | |
1379 | if ((nfnd = empty(&mask, 10)) <= 0) { | |
1380 | if (nfnd < 0) { | |
1381 | perror("abort"); | |
1382 | } | |
1383 | if (ptabflg) | |
1384 | code = -1; | |
1385 | lostpeer(); | |
1386 | } | |
1387 | if (din && FD_ISSET(fileno(din), &mask)) { | |
1388 | while (read(fileno(din), buf, BUFSIZ) > 0) | |
1389 | /* LOOP */; | |
1390 | } | |
1391 | if (getreply(0) == ERROR && code == 552) { | |
1392 | /* 552 needed for nic style abort */ | |
1393 | (void) getreply(0); | |
1394 | } | |
1395 | (void) getreply(0); | |
1396 | } |