This file is indexed.

/usr/lib/rancid/bin/erancid is in rancid 3.6.2-2.

This file is owned by root:root, with mode 0o755.

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
#! /usr/bin/perl
##
## $Id: erancid.in 3345 2016-04-04 00:24:36Z heas $
##
## rancid 3.6.2
## Copyright (c) 1997-2016 by Terrapin Communications, Inc.
## All rights reserved.
##
## This code is derived from software contributed to and maintained by
## Terrapin Communications, Inc. by Henry Kilmer, John Heasley, Andrew Partan,
## Pete Whiting, Austin Schutz, and Andrew Fort.
##
## Redistribution and use in source and binary forms, with or without
## modification, are permitted provided that the following conditions
## are met:
## 1. Redistributions of source code must retain the above copyright
##    notice, this list of conditions and the following disclaimer.
## 2. Redistributions in binary form must reproduce the above copyright
##    notice, this list of conditions and the following disclaimer in the
##    documentation and/or other materials provided with the distribution.
## 3. All advertising materials mentioning features or use of this software
##    must display the following acknowledgement:
##        This product includes software developed by Terrapin Communications,
##        Inc. and its contributors for RANCID.
## 4. Neither the name of Terrapin Communications, Inc. nor the names of its
##    contributors may be used to endorse or promote products derived from
##    this software without specific prior written permission.
## 5. It is requested that non-binding fixes and modifications be contributed
##    back to Terrapin Communications, Inc.
##
## THIS SOFTWARE IS PROVIDED BY Terrapin Communications, INC. AND CONTRIBUTORS
## ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
## TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
## PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COMPANY OR CONTRIBUTORS
## BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
## CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
## SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
## INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
## CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
## ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
## POSSIBILITY OF SUCH DAMAGE.
#
#  RANCID - Really Awesome New Cisco confIg Differ
#
# usage: erancid [-dltCV] [-f filename | hostname]
#
use Getopt::Std;
getopts('dflt:CV');
if ($opt_V) {
    print "rancid 3.6.2\n";
    exit(0);
}
$log = $opt_l;
$debug = $opt_d;
$file = $opt_f;
$host = $ARGV[0];
$clean_run = 0;
$found_end = 0;
$timeo = 90;				# elogin timeout in seconds

my(@commandtable, %commands, @commands);# command lists
my($aclsort) = ("ipsort");		# ACL sorting mode
my($filter_commstr);			# SNMP community string filtering
my($filter_osc);			# oscillating data filtering mode
my($filter_pwds);			# password filtering mode

# This routine is used to print out the router configuration
sub ProcessHistory {
    my($new_hist_tag,$new_command,$command_string,@string) = (@_);
    if ((($new_hist_tag ne $hist_tag) || ($new_command ne $command))
	&& scalar(%history)) {
	print eval "$command \%history";
	undef %history;
    }
    if (($new_hist_tag) && ($new_command) && ($command_string)) {
	if ($history{$command_string}) {
	    $history{$command_string} = "$history{$command_string}@string";
	} else {
	    $history{$command_string} = "@string";
	}
    } elsif (($new_hist_tag) && ($new_command)) {
	$history{++$#history} = "@string";
    } else {
	print "@string";
    }
    $hist_tag = $new_hist_tag;
    $command = $new_command;
    1;
}

sub numerically { $a <=> $b; }

# This is a sort routine that will sort numerically on the
# keys of a hash as if it were a normal array.
sub keynsort {
    local(%lines) = @_;
    local($i) = 0;
    local(@sorted_lines);
    foreach $key (sort numerically keys(%lines)) {
	$sorted_lines[$i] = $lines{$key};
	$i++;
    }
    @sorted_lines;
}

# This is a sort routine that will sort on the
# keys of a hash as if it were a normal array.
sub keysort {
    local(%lines) = @_;
    local($i) = 0;
    local(@sorted_lines);
    foreach $key (sort keys(%lines)) {
	$sorted_lines[$i] = $lines{$key};
	$i++;
    }
    @sorted_lines;
}

# This is a sort routine that will sort on the
# values of a hash as if it were a normal array.
sub valsort{
    local(%lines) = @_;
    local($i) = 0;
    local(@sorted_lines);
    foreach $key (sort values %lines) {
	$sorted_lines[$i] = $key;
	$i++;
    }
    @sorted_lines;
}

# This is a numerical sort routine (ascending).
sub numsort {
    local(%lines) = @_;
    local($i) = 0;
    local(@sorted_lines);
    foreach $num (sort {$a <=> $b} keys %lines) {
	$sorted_lines[$i] = $lines{$num};
	$i++;
    }
    @sorted_lines;
}

# This is a sort routine that will sort on the
# ip address when the ip address is anywhere in
# the strings.
sub ipsort {
    local(%lines) = @_;
    local($i) = 0;
    local(@sorted_lines);
    foreach $addr (sort sortbyipaddr keys %lines) {
	$sorted_lines[$i] = $lines{$addr};
	$i++;
    }
    @sorted_lines;
}

# These two routines will sort based upon IP addresses
sub ipaddrval {
    my(@a) = ($_[0] =~ m#^(\d+)\.(\d+)\.(\d+)\.(\d+)$#);
    $a[3] + 256 * ($a[2] + 256 * ($a[1] +256 * $a[0]));
}
sub sortbyipaddr {
    &ipaddrval($a) <=> &ipaddrval($b);
}

# This routine parses "show version"
sub ShowVersion {
    print STDERR "    In ShowVersion: $_" if ($debug);

    ProcessHistory("COMMENTS","keysort","A1",
	"- Chassis type: EZT3 - an ADC EZT3 M13 multiplexor\n");

    while (<INPUT>) {
	tr/\015//d;
	last if(/Active\) >/);
	next if(/^(\s*|\s*$cmd\s*)$/);

	/Boot Version (\S*)/ &&
	    ProcessHistory("COMMENTS","keysort","G1",
		"- ROM Bootstrap: $1\n") && next;
	/Software Version (\S*)/ &&
	    ProcessHistory("COMMENTS","keysort","F1",
		"- Software: $1\n") && next;
    }
    return(0);
}

# This routine parses "show module"
sub ShowModule {
    print STDERR "    In ShowModule: $_" if ($debug);

    # eat the header line
    $junk = <INPUT>;

    ProcessHistory("SLOT","","","-\n");

    # now just copy it verbatim to the history file
    while (<INPUT>) {
	tr/\015//d;
	last if(/Active\) >/);
	last if(/^$/);
	chop;
	ProcessHistory("SLOT","","","-$_\n");
    }
    ProcessHistory("SLOT","","","-\n");
}

# This routine processes a "write term"
sub WriteTerm {
    print STDERR "    In WriteTerm: $_" if ($debug);

    # eat the header line
    $junk = <INPUT>;

    # now just copy it verbatim to the history file
    while (<INPUT>) {
	tr/\015//d;
	last if(/Active\) >/);
	chop;
	if (/^\s*snmp/ && $filter_commstr) {
	    /snmp (getcomm|setcomm|trapcomm)(\s+)(\S*)/ &&
	    ProcessHistory("","","","-   snmp $1$2\"<removed>\"\n") && next;
	}
	# believe it or not, "-" is the "whole line is comment" command
	ProcessHistory("","","","$_\n");
    }
    $found_end = 1;
    return(1);
}

# Main
@commandtable = (
	{'version'		=> 'ShowVersion'},
	{'equipment'		=> 'ShowModule'},
	{'config'		=> 'WriteTerm'}
);
# Use an array to preserve the order of the commands and a hash for mapping
# commands to the subroutine and track commands that have been completed.
@commands = map(keys(%$_), @commandtable);
%commands = map(%$_, @commandtable);
$commandcnt = scalar(keys %commands);

$commandstr=join(";",@commands);
$cmds_regexp = join("|", map quotemeta($_), @commands);

if (length($host) == 0) {
    if ($file) {
	print(STDERR "Too few arguments: file name required\n");
	exit(1);
    } else {
	print(STDERR "Too few arguments: host name required\n");
	exit(1);
    }
}
if ($opt_C) {
    print "elogin -t $timeo -c\'$commandstr\' $host\n";
    exit(0);
}
open(OUTPUT,">$host.new") || die "Can't open $host.new for writing: $!\n";
select(OUTPUT);
# make OUTPUT unbuffered if debugging
if ($debug) { $| = 1; }

if ($file) {
    print(STDERR "opening file $host\n") if ($debug || $log);
    open(INPUT,"<$host") || die "open failed for $host: $!\n";
} else {
    print(STDERR "executing elogin -t $timeo -c\"$commandstr\" $host\n") if ($debug || $log);
    if (defined($ENV{NOPIPE}) && $ENV{NOPIPE} =~ /^YES/i) {
	system "elogin -t $timeo -c \"$commandstr\" $host </dev/null > $host.raw 2>&1" || die "elogin failed for $host: $!\n";
	open(INPUT, "< $host.raw") || die "elogin failed for $host: $!\n";
    } else {
	open(INPUT,"elogin -t $timeo -c \"$commandstr\" $host </dev/null |") || die "elogin failed for $host: $!\n";
    }
}

# determine ACL sorting mode
if ($ENV{"ACLSORT"} =~ /no/i) {
    $aclsort = "";
}
# determine community string filtering mode
if (defined($ENV{"NOCOMMSTR"}) &&
    ($ENV{"NOCOMMSTR"} =~ /yes/i || $ENV{"NOCOMMSTR"} =~ /^$/)) {
    $filter_commstr = 1;
} else {
    $filter_commstr = 0;
}
# determine oscillating data filtering mode
if (defined($ENV{"FILTER_OSC"}) && $ENV{"FILTER_OSC"} =~ /no/i) {
    $filter_osc = 0;
} else {
    $filter_osc = 1;
}
# determine password filtering mode
if ($ENV{"FILTER_PWDS"} =~ /no/i) {
    $filter_pwds = 0;
} elsif ($ENV{"FILTER_PWDS"} =~ /all/i) {
    $filter_pwds = 2;
} else {
    $filter_pwds = 1;
}

ProcessHistory("","","","- RANCID-CONTENT-TYPE: ezt3\n-\n");
ProcessHistory("COMMENTS","keysort","B0","-\n");
ProcessHistory("COMMENTS","keysort","F0","-\n");
ProcessHistory("COMMENTS","keysort","G0","-\n");
while(<INPUT>) {
    tr/\015//d;
    if (/Logging out$/) {
	$clean_run=1;
	last;
    }
    if (/^Error:/) {
	print STDOUT ("$host elogin error: $_");
	print STDERR ("$host elogin error: $_") if ($debug);
	$clean_run=0;
	last;
    }
    while (/Active\) >\s*($cmds_regexp)\s*$/) {
	$cmd = $1;
	if (!defined($prompt)) {
	    $prompt = ($_ =~ /^([^#]+#)/)[0];
	    $prompt =~ s/([][}{)(\\])/\\$1/g;
	    print STDERR ("PROMPT MATCH: $prompt\n") if ($debug);
	}
	print STDERR ("HIT COMMAND:$_") if ($debug);
	if (! defined($commands{$cmd})) {
	    print STDERR "$host: found unexpected command - \"$cmd\"\n";
	    $clean_run = 0;
	    last;
	}
	$rval = &{$commands{$cmd}}(*INPUT, *OUTPUT, $cmd);
	delete($commands{$cmd});
	if ($rval == -1) {
	    $clean_run = 0;
	    last;
	}
    }
}
print STDOUT "Done $logincmd: $_\n" if ($log);
# Flush History
ProcessHistory("","","","");
# Cleanup
close(INPUT);
close(OUTPUT);

if (defined($ENV{NOPIPE}) && $ENV{NOPIPE} =~ /^YES/i) {
    unlink("$host.raw") if (! $debug);
}

# check for completeness
if (scalar(%commands) || !$clean_run || !$found_end) {
    if (scalar(keys %commands) eq $commandcnt) {
	printf(STDERR "$host: missed cmd(s): all commands\n");
    } elsif (scalar(%commands)) {
	my($count, $i) = 0;
	for ($i = 0; $i < $#commands; $i++) {
	    if ($commands{$commands[$i]}) {
		if (!$count) {
		    printf(STDERR "$host: missed cmd(s): %s", $commands[$i]);
		} else {
		    printf(STDERR ", %s", $commands[$i]);
		}
		$count++;
	    }
	}
	if ($count) {
	    printf(STDERR "\n");
	}
    }
    if (!$clean_run || !$found_end) {
	print(STDERR "$host: End of run not found\n");
	system("/usr/bin/tail -1 $host.new");
    }
    unlink "$host.new" if (! $debug);
}