/usr/share/perl5/ftp.pl is in libperl4-corelibs-perl 0.004-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 | #-*-perl-*-
#
# This library is no longer being maintained, and is included for backward
# compatibility with Perl 4 programs which may require it.
#
# In particular, this should not be used as an example of modern Perl
# programming techniques.
#
# Suggested alternative: Net::FTP
#
# This is a wrapper to the chat2.pl routines that make life easier
# to do ftp type work.
# Mostly by Lee McLoughlin <lmjm@doc.ic.ac.uk>
# based on original version by Alan R. Martello <al@ee.pitt.edu>
# And by A.Macpherson@bnr.co.uk for multi-homed hosts
#
# $Header: /a/swan/home/swan/staff/csg/lmjm/src/perl/mirror/RCS/ftp.pl,v 1.17 1993/04/21 10:06:54 lmjm Exp lmjm $
# $Log: ftp.pl,v $
# Revision 1.17 1993/04/21 10:06:54 lmjm
# Send all status reports to STDERR not to STDOUT (to allow use by ftpcat).
# Allow target file to be '-' meaning STDOUT
# Added ftp'quote
#
# Revision 1.16 1993/01/28 18:59:05 lmjm
# Allow socket arguemtns to come from main.
# Minor cleanups - removed old comments.
#
# Revision 1.15 1992/11/25 21:09:30 lmjm
# Added another REST return code.
#
# Revision 1.14 1992/08/12 14:33:42 lmjm
# Fail ftp'write if out of space.
#
# Revision 1.13 1992/03/20 21:01:03 lmjm
# Added in the proxy ftp code from Edwards Reed <err@cinops.xerox.com>
# Added ftp'delete from Aaron Wohl <aw0g+@andrew.cmu.edu>
#
# Revision 1.12 1992/02/06 23:25:56 lmjm
# Moved code around so can use this as a lib for both mirror and ftpmail.
# Time out opens. In case Unix doesn't bother to.
#
# Revision 1.11 1991/11/27 22:05:57 lmjm
# Match the response code number at the start of a line allowing
# for any leading junk.
#
# Revision 1.10 1991/10/23 22:42:20 lmjm
# Added better timeout code.
# Tried to optimise file transfer
# Moved open/close code to not leak file handles.
# Cleaned up the alarm code.
# Added $fatalerror to show wether the ftp link is really dead.
#
# Revision 1.9 1991/10/07 18:30:35 lmjm
# Made the timeout-read code work.
# Added restarting file gets.
# Be more verbose if ever have to call die.
#
# Revision 1.8 1991/09/17 22:53:16 lmjm
# Spot when open_data_socket fails and return a failure rather than dying.
#
# Revision 1.7 1991/09/12 22:40:25 lmjm
# Added Andrew Macpherson's patches for hosts without ip forwarding.
#
# Revision 1.6 1991/09/06 19:53:52 lmjm
# Relaid out the code the way I like it!
# Changed the debuggin to produce more "appropriate" messages
# Fixed bugs in the ordering of put and dir listing.
# Allow for hash printing when getting files (a la ftp).
# Added the new commands from Al.
# Don't print passwords in debugging.
#
# Revision 1.5 1991/08/29 16:23:49 lmjm
# Timeout reads from the remote ftp server.
# No longer call die expect on fatal errors. Just return fail codes.
# Changed returns so higher up routines can tell whats happening.
# Get expect/accept in correct order for dir listing.
# When ftp_show is set then print hashes every 1k transferred (like ftp).
# Allow for stripping returns out of incoming data.
# Save last error in a global string.
#
# Revision 1.4 1991/08/14 21:04:58 lmjm
# ftp'get now copes with ungetable files.
# ftp'expect code changed such that the string_to_print is
# ignored and the string sent back from the remote system is printed
# instead.
# Implemented patches from al. Removed spuiours tracing statements.
#
# Revision 1.3 1991/08/09 21:32:18 lmjm
# Allow for another ok code on cwd's
# Rejigger the log levels
# Send \r\n for some odd ftp daemons
#
# Revision 1.2 1991/08/09 18:07:37 lmjm
# Don't print messages unless ftp_show says to.
#
# Revision 1.1 1991/08/08 20:31:00 lmjm
# Initial revision
#
require 'chat2.pl'; # into main
eval "require 'socket.ph'" || eval "require 'sys/socket.ph'"
|| die "socket.ph missing: $!\n";
package ftp;
if( defined( &main'PF_INET ) ){
$pf_inet = &main'PF_INET;
$sock_stream = &main'SOCK_STREAM;
local($name, $aliases, $proto) = getprotobyname( 'tcp' );
$tcp_proto = $proto;
}
else {
# XXX hardwired $PF_INET, $SOCK_STREAM, 'tcp'
# but who the heck would change these anyway? (:-)
$pf_inet = 2;
$sock_stream = 1;
$tcp_proto = 6;
}
# If the remote ftp daemon doesn't respond within this time presume its dead
# or something.
$timeout = 30;
# Timeout a read if I don't get data back within this many seconds
$timeout_read = 20 * $timeout;
# Timeout an open
$timeout_open = $timeout;
# This is a "global" it contains the last response from the remote ftp server
# for use in error messages
$ftp'response = "";
# Also ftp'NS is the socket containing the data coming in from the remote ls
# command.
# The size of block to be read or written when talking to the remote
# ftp server
$ftp'ftpbufsize = 4096;
# How often to print a hash out, when debugging
$ftp'hashevery = 1024;
# Output a newline after this many hashes to prevent outputing very long lines
$ftp'hashnl = 70;
# If a proxy connection then who am I really talking to?
$real_site = "";
# This is just a tracing aid.
$ftp_show = 0;
sub ftp'debug
{
$ftp_show = $_[0];
# if( $ftp_show ){
# print STDERR "ftp debugging on\n";
# }
}
sub ftp'set_timeout
{
$timeout = $_[0];
$timeout_open = $timeout;
$timeout_read = 20 * $timeout;
if( $ftp_show ){
print STDERR "ftp timeout set to $timeout\n";
}
}
sub ftp'open_alarm
{
die "timeout: open";
}
sub ftp'timed_open
{
local( $site, $ftp_port, $retry_call, $attempts ) = @_;
local( $connect_site, $connect_port );
local( $res );
alarm( $timeout_open );
while( $attempts-- ){
if( $ftp_show ){
print STDERR "proxy connecting via $proxy_gateway [$proxy_ftp_port]\n" if $proxy;
print STDERR "Connecting to $site";
if( $ftp_port != 21 ){
print STDERR " [port $ftp_port]";
}
print STDERR "\n";
}
if( $proxy ) {
if( ! $proxy_gateway ) {
# if not otherwise set
$proxy_gateway = "internet-gateway";
}
if( $debug ) {
print STDERR "using proxy services of $proxy_gateway, ";
print STDERR "at $proxy_ftp_port\n";
}
$connect_site = $proxy_gateway;
$connect_port = $proxy_ftp_port;
$real_site = $site;
}
else {
$connect_site = $site;
$connect_port = $ftp_port;
}
if( ! &chat'open_port( $connect_site, $connect_port ) ){
if( $retry_call ){
print STDERR "Failed to connect\n" if $ftp_show;
next;
}
else {
print STDERR "proxy connection failed " if $proxy;
print STDERR "Cannot open ftp to $connect_site\n" if $ftp_show;
return 0;
}
}
$res = &ftp'expect( $timeout,
120, "service unavailable to $site", 0,
220, "ready for login to $site", 1,
421, "service unavailable to $site, closing connection", 0);
if( ! $res ){
&chat'close();
next;
}
return 1;
}
continue {
print STDERR "Pausing between retries\n";
sleep( $retry_pause );
}
return 0;
}
sub ftp'open
{
local( $site, $ftp_port, $retry_call, $attempts ) = @_;
$SIG{ 'ALRM' } = "ftp\'open_alarm";
local( $ret ) = eval "&timed_open( '$site', $ftp_port, $retry_call, $attempts )";
alarm( 0 );
if( $@ =~ /^timeout/ ){
return -1;
}
return $ret;
}
sub ftp'login
{
local( $remote_user, $remote_password ) = @_;
if( $proxy ){
&ftp'send( "USER $remote_user\@$site" );
}
else {
&ftp'send( "USER $remote_user" );
}
local( $val ) =
&ftp'expect($timeout,
230, "$remote_user logged in", 1,
331, "send password for $remote_user", 2,
500, "syntax error", 0,
501, "syntax error", 0,
530, "not logged in", 0,
332, "account for login not supported", 0,
421, "service unavailable, closing connection", 0);
if( $val == 1 ){
return 1;
}
if( $val == 2 ){
# A password is needed
&ftp'send( "PASS $remote_password" );
$val = &ftp'expect( $timeout,
230, "$remote_user logged in", 1,
202, "command not implemented", 0,
332, "account for login not supported", 0,
530, "not logged in", 0,
500, "syntax error", 0,
501, "syntax error", 0,
503, "bad sequence of commands", 0,
421, "service unavailable, closing connection", 0);
if( $val == 1){
# Logged in
return 1;
}
}
# If I got here I failed to login
return 0;
}
sub ftp'close
{
&ftp'quit();
&chat'close();
}
# Change directory
# return 1 if successful
# 0 on a failure
sub ftp'cwd
{
local( $dir ) = @_;
&ftp'send( "CWD $dir" );
return &ftp'expect( $timeout,
200, "working directory = $dir", 1,
250, "working directory = $dir", 1,
500, "syntax error", 0,
501, "syntax error", 0,
502, "command not implemented", 0,
530, "not logged in", 0,
550, "cannot change directory", 0,
421, "service unavailable, closing connection", 0 );
}
# Get a full directory listing:
# &ftp'dir( remote LIST options )
# Start a list goin with the given options.
# Presuming that the remote deamon uses the ls command to generate the
# data to send back then then you can send it some extra options (eg: -lRa)
# return 1 if sucessful and 0 on a failure
sub ftp'dir_open
{
local( $options ) = @_;
local( $ret );
if( ! &ftp'open_data_socket() ){
return 0;
}
if( $options ){
&ftp'send( "LIST $options" );
}
else {
&ftp'send( "LIST" );
}
$ret = &ftp'expect( $timeout,
150, "reading directory", 1,
125, "data connection already open?", 0,
450, "file unavailable", 0,
500, "syntax error", 0,
501, "syntax error", 0,
502, "command not implemented", 0,
530, "not logged in", 0,
421, "service unavailable, closing connection", 0 );
if( ! $ret ){
&ftp'close_data_socket;
return 0;
}
#
# the data should be coming at us now
#
# now accept
accept(NS,S) || die "accept failed $!";
return 1;
}
# Close down reading the result of a remote ls command
# return 1 if successful and 0 on failure
sub ftp'dir_close
{
local( $ret );
# read the close
#
$ret = &ftp'expect($timeout,
226, "", 1, # transfer complete, closing connection
250, "", 1, # action completed
425, "can't open data connection", 0,
426, "connection closed, transfer aborted", 0,
451, "action aborted, local error", 0,
421, "service unavailable, closing connection", 0);
# shut down our end of the socket
&ftp'close_data_socket;
if( ! $ret ){
return 0;
}
return 1;
}
# Quit from the remote ftp server
# return 1 if successful and 0 on failure
sub ftp'quit
{
$site_command_check = 0;
@site_command_list = ();
&ftp'send("QUIT");
return &ftp'expect($timeout,
221, "Goodbye", 1, # transfer complete, closing connection
500, "error quitting??", 0);
}
sub ftp'read_alarm
{
die "timeout: read";
}
sub ftp'timed_read
{
alarm( $timeout_read );
return sysread( NS, $buf, $ftpbufsize );
}
sub ftp'read
{
$SIG{ 'ALRM' } = "ftp\'read_alarm";
local( $ret ) = eval '&timed_read()';
alarm( 0 );
if( $@ =~ /^timeout/ ){
return -1;
}
return $ret;
}
# Get a remote file back into a local file.
# If no loc_fname passed then uses rem_fname.
# returns 1 on success and 0 on failure
sub ftp'get
{
local($rem_fname, $loc_fname, $restart ) = @_;
if ($loc_fname eq "") {
$loc_fname = $rem_fname;
}
if( ! &ftp'open_data_socket() ){
print STDERR "Cannot open data socket\n";
return 0;
}
if( $loc_fname ne '-' ){
# Find the size of the target file
local( $restart_at ) = &ftp'filesize( $loc_fname );
if( $restart && $restart_at > 0 && &ftp'restart( $restart_at ) ){
$restart = 1;
# Make sure the file can be updated
chmod( 0644, $loc_fname );
}
else {
$restart = 0;
unlink( $loc_fname );
}
}
&ftp'send( "RETR $rem_fname" );
local( $ret ) =
&ftp'expect($timeout,
150, "receiving $rem_fname", 1,
125, "data connection already open?", 0,
450, "file unavailable", 2,
550, "file unavailable", 2,
500, "syntax error", 0,
501, "syntax error", 0,
530, "not logged in", 0,
421, "service unavailable, closing connection", 0);
if( $ret != 1 ){
print STDERR "Failure on RETR command\n";
# shut down our end of the socket
&ftp'close_data_socket;
return 0;
}
#
# the data should be coming at us now
#
# now accept
accept(NS,S) || die "accept failed: $!";
#
# open the local fname
# concatenate on the end if restarting, else just overwrite
if( !open(FH, ($restart ? '>>' : '>') . $loc_fname) ){
print STDERR "Cannot create local file $loc_fname\n";
# shut down our end of the socket
&ftp'close_data_socket;
return 0;
}
# while (<NS>) {
# print FH ;
# }
local( $start_time ) = time;
local( $bytes, $lasthash, $hashes ) = (0, 0, 0);
while( ($len = &ftp'read()) > 0 ){
$bytes += $len;
if( $strip_cr ){
$ftp'buf =~ s/\r//g;
}
if( $ftp_show ){
while( $bytes > ($lasthash + $ftp'hashevery) ){
print STDERR '#';
$lasthash += $ftp'hashevery;
$hashes++;
if( ($hashes % $ftp'hashnl) == 0 ){
print STDERR "\n";
}
}
}
if( ! print FH $ftp'buf ){
print STDERR "\nfailed to write data";
return 0;
}
}
close( FH );
# shut down our end of the socket
&ftp'close_data_socket;
if( $len < 0 ){
print STDERR "\ntimed out reading data!\n";
return 0;
}
if( $ftp_show ){
if( $hashes && ($hashes % $ftp'hashnl) != 0 ){
print STDERR "\n";
}
local( $secs ) = (time - $start_time);
if( $secs <= 0 ){
$secs = 1; # To avoid a divide by zero;
}
local( $rate ) = int( $bytes / $secs );
print STDERR "Got $bytes bytes ($rate bytes/sec)\n";
}
#
# read the close
#
$ret = &ftp'expect($timeout,
226, "Got file", 1, # transfer complete, closing connection
250, "Got file", 1, # action completed
110, "restart not supported", 0,
425, "can't open data connection", 0,
426, "connection closed, transfer aborted", 0,
451, "action aborted, local error", 0,
421, "service unavailable, closing connection", 0);
return $ret;
}
sub ftp'delete
{
local( $rem_fname, $val ) = @_;
&ftp'send("DELE $rem_fname" );
$val = &ftp'expect( $timeout,
250,"Deleted $rem_fname", 1,
550,"Permission denied",0
);
return $val == 1;
}
sub ftp'deldir
{
local( $fname ) = @_;
# not yet implemented
# RMD
}
# UPDATE ME!!!!!!
# Add in the hash printing and newline conversion
sub ftp'put
{
local( $loc_fname, $rem_fname ) = @_;
local( $strip_cr );
if ($loc_fname eq "") {
$loc_fname = $rem_fname;
}
if( ! &ftp'open_data_socket() ){
return 0;
}
&ftp'send("STOR $rem_fname");
#
# the data should be coming at us now
#
local( $ret ) =
&ftp'expect($timeout,
150, "sending $loc_fname", 1,
125, "data connection already open?", 0,
450, "file unavailable", 0,
532, "need account for storing files", 0,
452, "insufficient storage on system", 0,
553, "file name not allowed", 0,
500, "syntax error", 0,
501, "syntax error", 0,
530, "not logged in", 0,
421, "service unavailable, closing connection", 0);
if( $ret != 1 ){
# shut down our end of the socket
&ftp'close_data_socket;
return 0;
}
#
# the data should be coming at us now
#
# now accept
accept(NS,S) || die "accept failed: $!";
#
# open the local fname
#
if( !open(FH, "<$loc_fname") ){
print STDERR "Cannot open local file $loc_fname\n";
# shut down our end of the socket
&ftp'close_data_socket;
return 0;
}
while (<FH>) {
print NS ;
}
close(FH);
# shut down our end of the socket to signal EOF
&ftp'close_data_socket;
#
# read the close
#
$ret = &ftp'expect($timeout,
226, "file put", 1, # transfer complete, closing connection
250, "file put", 1, # action completed
110, "restart not supported", 0,
425, "can't open data connection", 0,
426, "connection closed, transfer aborted", 0,
451, "action aborted, local error", 0,
551, "page type unknown", 0,
552, "storage allocation exceeded", 0,
421, "service unavailable, closing connection", 0);
if( ! $ret ){
print STDERR "error putting $loc_fname\n";
}
return $ret;
}
sub ftp'restart
{
local( $restart_point, $ret ) = @_;
&ftp'send("REST $restart_point");
#
# see what they say
$ret = &ftp'expect($timeout,
350, "restarting at $restart_point", 1,
500, "syntax error", 0,
501, "syntax error", 0,
502, "REST not implemented", 2,
530, "not logged in", 0,
554, "REST not implemented", 2,
421, "service unavailable, closing connection", 0);
return $ret;
}
# Set the file transfer type
sub ftp'type
{
local( $type ) = @_;
&ftp'send("TYPE $type");
#
# see what they say
$ret = &ftp'expect($timeout,
200, "file type set to $type", 1,
500, "syntax error", 0,
501, "syntax error", 0,
504, "Invalid form or byte size for type $type", 0,
421, "service unavailable, closing connection", 0);
return $ret;
}
$site_command_check = 0;
@site_command_list = ();
# routine to query the remote server for 'SITE' commands supported
sub ftp'site_commands
{
local( $ret );
# if we havent sent a 'HELP SITE', send it now
if( !$site_command_check ){
$site_command_check = 1;
&ftp'send( "HELP SITE" );
# assume the line in the HELP SITE response with the 'HELP'
# command is the one for us
$ret = &ftp'expect( $timeout,
".*HELP.*", "", "\$1",
214, "", "0",
202, "", "0" );
if( $ret eq "0" ){
print STDERR "No response from HELP SITE\n" if( $ftp_show );
}
@site_command_list = split(/\s+/, $ret);
}
return @site_command_list;
}
# return the pwd, or null if we can't get the pwd
sub ftp'pwd
{
local( $ret, $cwd );
&ftp'send( "PWD" );
#
# see what they say
$ret = &ftp'expect( $timeout,
257, "working dir is", 1,
500, "syntax error", 0,
501, "syntax error", 0,
502, "PWD not implemented", 0,
550, "file unavailable", 0,
421, "service unavailable, closing connection", 0 );
if( $ret ){
if( $ftp'response =~ /^257\s"(.*)"\s.*$/ ){
$cwd = $1;
}
}
return $cwd;
}
# return 1 for success, 0 for failure
sub ftp'mkdir
{
local( $path ) = @_;
local( $ret );
&ftp'send( "MKD $path" );
#
# see what they say
$ret = &ftp'expect( $timeout,
257, "made directory $path", 1,
500, "syntax error", 0,
501, "syntax error", 0,
502, "MKD not implemented", 0,
530, "not logged in", 0,
550, "file unavailable", 0,
421, "service unavailable, closing connection", 0 );
return $ret;
}
# return 1 for success, 0 for failure
sub ftp'chmod
{
local( $path, $mode ) = @_;
local( $ret );
&ftp'send( sprintf( "SITE CHMOD %o $path", $mode ) );
#
# see what they say
$ret = &ftp'expect( $timeout,
200, "chmod $mode $path succeeded", 1,
500, "syntax error", 0,
501, "syntax error", 0,
502, "CHMOD not implemented", 0,
530, "not logged in", 0,
550, "file unavailable", 0,
421, "service unavailable, closing connection", 0 );
return $ret;
}
# rename a file
sub ftp'rename
{
local( $old_name, $new_name ) = @_;
local( $ret );
&ftp'send( "RNFR $old_name" );
#
# see what they say
$ret = &ftp'expect( $timeout,
350, "", 1,
500, "syntax error", 0,
501, "syntax error", 0,
502, "RNFR not implemented", 0,
530, "not logged in", 0,
550, "file unavailable", 0,
450, "file unavailable", 0,
421, "service unavailable, closing connection", 0);
# check if the "rename from" occurred ok
if( $ret ) {
&ftp'send( "RNTO $new_name" );
#
# see what they say
$ret = &ftp'expect( $timeout,
250, "rename $old_name to $new_name", 1,
500, "syntax error", 0,
501, "syntax error", 0,
502, "RNTO not implemented", 0,
503, "bad sequence of commands", 0,
530, "not logged in", 0,
532, "need account for storing files", 0,
553, "file name not allowed", 0,
421, "service unavailable, closing connection", 0);
}
return $ret;
}
sub ftp'quote
{
local( $cmd ) = @_;
&ftp'send( $cmd );
return &ftp'expect( $timeout,
200, "Remote '$cmd' OK", 1,
500, "error in remote '$cmd'", 0 );
}
# ------------------------------------------------------------------------------
# These are the lower level support routines
sub ftp'expectgot
{
($ftp'response, $ftp'fatalerror) = @_;
if( $ftp_show ){
print STDERR "$ftp'response\n";
}
}
#
# create the list of parameters for chat'expect
#
# ftp'expect(time_out, {value, string_to_print, return value});
# if the string_to_print is "" then nothing is printed
# the last response is stored in $ftp'response
#
# NOTE: lmjm has changed this code such that the string_to_print is
# ignored and the string sent back from the remote system is printed
# instead.
#
sub ftp'expect {
local( $ret );
local( $time_out );
local( $expect_args );
$ftp'response = '';
$ftp'fatalerror = 0;
@expect_args = ();
$time_out = shift(@_);
while( @_ ){
local( $code ) = shift( @_ );
local( $pre ) = '^';
if( $code =~ /^\d/ ){
$pre =~ "[.|\n]*^";
}
push( @expect_args, "$pre(" . $code . " .*)\\015\\n" );
shift( @_ );
push( @expect_args,
"&ftp'expectgot( \$1, 0 ); " . shift( @_ ) );
}
# Treat all unrecognised lines as continuations
push( @expect_args, "^(.*)\\015\\n" );
push( @expect_args, "&ftp'expectgot( \$1, 0 ); 100" );
# add patterns TIMEOUT and EOF
push( @expect_args, 'TIMEOUT' );
push( @expect_args, "&ftp'expectgot( \"timed out\", 1 ); 0" );
push( @expect_args, 'EOF' );
push( @expect_args, "&ftp'expectgot( \"remote server gone away\", 1 ); 0" );
if( $ftp_show > 9 ){
&printargs( $time_out, @expect_args );
}
$ret = &chat'expect( $time_out, @expect_args );
if( $ret == 100 ){
# we saw a continuation line, wait for the end
push( @expect_args, "^.*\n" );
push( @expect_args, "100" );
while( $ret == 100 ){
$ret = &chat'expect( $time_out, @expect_args );
}
}
return $ret;
}
#
# opens NS for io
#
sub ftp'open_data_socket
{
local( $ret );
local( $hostname );
local( $sockaddr, $name, $aliases, $proto, $port );
local( $type, $len, $thisaddr, $myaddr, $a, $b, $c, $d );
local( $mysockaddr, $family, $hi, $lo );
$sockaddr = 'S n a4 x8';
chop( $hostname = `hostname` );
$port = "ftp";
($name, $aliases, $proto) = getprotobyname( 'tcp' );
($name, $aliases, $port) = getservbyname( $port, 'tcp' );
# ($name, $aliases, $type, $len, $thisaddr) =
# gethostbyname( $hostname );
($a,$b,$c,$d) = unpack( 'C4', $chat'thisaddr );
# $this = pack( $sockaddr, &main'AF_INET, 0, $thisaddr );
$this = $chat'thisproc;
socket(S, $pf_inet, $sock_stream, $proto ) || die "socket: $!";
bind(S, $this) || die "bind: $!";
# get the port number
$mysockaddr = getsockname(S);
($family, $port, $myaddr) = unpack( $sockaddr, $mysockaddr );
$hi = ($port >> 8) & 0x00ff;
$lo = $port & 0x00ff;
#
# we MUST do a listen before sending the port otherwise
# the PORT may fail
#
listen( S, 5 ) || die "listen";
&ftp'send( "PORT $a,$b,$c,$d,$hi,$lo" );
return &ftp'expect($timeout,
200, "PORT command successful", 1,
250, "PORT command successful", 1 ,
500, "syntax error", 0,
501, "syntax error", 0,
530, "not logged in", 0,
421, "service unavailable, closing connection", 0);
}
sub ftp'close_data_socket
{
close(NS);
}
sub ftp'send
{
local($send_cmd) = @_;
if( $send_cmd =~ /\n/ ){
print STDERR "ERROR, \\n in send string for $send_cmd\n";
}
if( $ftp_show ){
local( $sc ) = $send_cmd;
if( $send_cmd =~ /^PASS/){
$sc = "PASS <somestring>";
}
print STDERR "---> $sc\n";
}
&chat'print( "$send_cmd\r\n" );
}
sub ftp'printargs
{
while( @_ ){
print STDERR shift( @_ ) . "\n";
}
}
sub ftp'filesize
{
local( $fname ) = @_;
if( ! -f $fname ){
return -1;
}
return (stat( _ ))[ 7 ];
}
# make this package return true
1;
|