This file is indexed.

/usr/bin/dpkg-architecture is in dpkg-dev 1.16.1.2ubuntu7.

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
#!/usr/bin/perl
#
# dpkg-architecture
#
# Copyright © 2004-2005 Scott James Remnant <scott@netsplit.com>,
# Copyright © 1999 Marcus Brinkmann <brinkmd@debian.org>.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

use strict;
use warnings;

use Dpkg;
use Dpkg::Gettext;
use Dpkg::ErrorHandling;
use Dpkg::Arch qw(get_raw_build_arch get_raw_host_arch get_gcc_host_gnu_type
                  debarch_to_cpuattrs
                  get_valid_arches debarch_eq debarch_is debarch_to_debtriplet
                  debarch_to_gnutriplet gnutriplet_to_debarch
                  debarch_to_multiarch);

textdomain("dpkg-dev");

sub version {
    printf _g("Debian %s version %s.\n"), $progname, $version;

    printf _g("
Copyright (C) 1999-2001 Marcus Brinkmann <brinkmd\@debian.org>.
Copyright (C) 2004-2005 Scott James Remnant <scott\@netsplit.com>.");

    printf _g("
This is free software; see the GNU General Public License version 2 or
later for copying conditions. There is NO warranty.
");
}

sub usage {
    printf _g(
"Usage: %s [<option> ...] [<action>]

Options:
  -a<debian-arch>    set current Debian architecture.
  -t<gnu-system>     set current GNU system type.
  -L                 list valid architectures.
  -f                 force flag (override variables set in environment).

Actions:
  -l                 list variables (default).
  -e<debian-arch>    compare with current Debian architecture.
  -i<arch-alias>     check if current Debian architecture is <arch-alias>.
  -q<variable>       prints only the value of <variable>.
  -s                 print command to set environment variables.
  -u                 print command to unset environment variables.
  -c <command>       set environment and run the command in it.
  --help             show this help message.
  --version          show the version.
"), $progname;
}

sub list_arches()
{
    foreach my $arch (get_valid_arches()) {
	print "$arch\n";
    }
}


my $req_host_arch = '';
my $req_host_gnu_type = '';
my $req_eq_arch = '';
my $req_is_arch = '';
my $req_variable_to_print;
my $action = 'l';
my $force = 0;

while (@ARGV) {
    $_=shift(@ARGV);
    if (m/^-a/) {
	$req_host_arch = "$'";
    } elsif (m/^-t/) {
	$req_host_gnu_type = "$'";
    } elsif (m/^-e/) {
	$req_eq_arch = "$'";
	$action = 'e';
    } elsif (m/^-i/) {
	$req_is_arch = "$'";
	$action = 'i';
    } elsif (m/^-[lsu]$/) {
	$action = $_;
	$action =~ s/^-//;
    } elsif (m/^-f$/) {
        $force=1;
    } elsif (m/^-q/) {
        $req_variable_to_print = "$'";
        $action = 'q';
    } elsif (m/^-c$/) {
       $action = 'c';
       last;
    } elsif (m/^-L$/) {
        list_arches();
        exit unless @ARGV;
    } elsif (m/^-(h|-help)$/) {
        usage();
       exit 0;
    } elsif (m/^--version$/) {
        version();
       exit 0;
    } else {
	usageerr(_g("unknown option \`%s'"), $_);
    }
}

# Set default values:

my %v;

my @ordered = qw(DEB_BUILD_ARCH DEB_BUILD_ARCH_OS DEB_BUILD_ARCH_CPU
                 DEB_BUILD_ARCH_BITS DEB_BUILD_ARCH_ENDIAN
                 DEB_BUILD_GNU_CPU DEB_BUILD_GNU_SYSTEM DEB_BUILD_GNU_TYPE
                 DEB_BUILD_MULTIARCH
                 DEB_HOST_ARCH DEB_HOST_ARCH_OS DEB_HOST_ARCH_CPU
                 DEB_HOST_ARCH_BITS DEB_HOST_ARCH_ENDIAN
                 DEB_HOST_GNU_CPU DEB_HOST_GNU_SYSTEM DEB_HOST_GNU_TYPE
                 DEB_HOST_MULTIARCH);

$v{DEB_BUILD_ARCH} = get_raw_build_arch();
$v{DEB_BUILD_GNU_TYPE} = debarch_to_gnutriplet($v{DEB_BUILD_ARCH});

# Set user values:

if ($req_host_arch ne '' && $req_host_gnu_type eq '') {
    $req_host_gnu_type = debarch_to_gnutriplet($req_host_arch);
    die (sprintf(_g("unknown Debian architecture %s, you must specify " .
                    "GNU system type, too"), $req_host_arch))
        unless defined $req_host_gnu_type;
}

if ($req_host_gnu_type ne '' && $req_host_arch eq '') {
    $req_host_arch = gnutriplet_to_debarch($req_host_gnu_type);
    die (sprintf(_g("unknown GNU system type %s, you must specify " .
                    "Debian architecture, too"), $req_host_gnu_type))
        unless defined $req_host_arch;
}

if ($req_host_gnu_type ne '' && $req_host_arch ne '') {
    my $dfl_host_gnu_type = debarch_to_gnutriplet($req_host_arch);
    die (sprintf(_g("unknown default GNU system type for Debian architecture %s"),
                 $req_host_arch))
	unless defined $dfl_host_gnu_type;
    warning(_g("Default GNU system type %s for Debian arch %s does not " .
               "match specified GNU system type %s"), $dfl_host_gnu_type,
            $req_host_arch, $req_host_gnu_type)
        if $dfl_host_gnu_type ne $req_host_gnu_type;
}

if ($req_host_arch eq '') {
    $v{DEB_HOST_ARCH} = get_raw_host_arch();
} else {
    $v{DEB_HOST_ARCH} = $req_host_arch;
}
if ($req_host_gnu_type eq '') {
    $v{DEB_HOST_GNU_TYPE} = debarch_to_gnutriplet($v{DEB_HOST_ARCH});
} else {
    $v{DEB_HOST_GNU_TYPE} = $req_host_gnu_type;
}

my $gcc = get_gcc_host_gnu_type();

warning(_g("Specified GNU system type %s does not match gcc system type %s."),
        $v{DEB_HOST_GNU_TYPE}, $gcc)
    if !($req_is_arch or $req_eq_arch) &&
       ($gcc ne '') && ($gcc ne $v{DEB_HOST_GNU_TYPE});

# Split the Debian and GNU names
my $abi;

($abi, $v{DEB_HOST_ARCH_OS}, $v{DEB_HOST_ARCH_CPU}) = debarch_to_debtriplet($v{DEB_HOST_ARCH});
($abi, $v{DEB_BUILD_ARCH_OS}, $v{DEB_BUILD_ARCH_CPU}) = debarch_to_debtriplet($v{DEB_BUILD_ARCH});
($v{DEB_HOST_GNU_CPU}, $v{DEB_HOST_GNU_SYSTEM}) = split(/-/, $v{DEB_HOST_GNU_TYPE}, 2);
($v{DEB_BUILD_GNU_CPU}, $v{DEB_BUILD_GNU_SYSTEM}) = split(/-/, $v{DEB_BUILD_GNU_TYPE}, 2);

($v{DEB_HOST_ARCH_BITS}, $v{DEB_HOST_ARCH_ENDIAN}) = debarch_to_cpuattrs($v{DEB_HOST_ARCH});
($v{DEB_BUILD_ARCH_BITS}, $v{DEB_BUILD_ARCH_ENDIAN}) = debarch_to_cpuattrs($v{DEB_BUILD_ARCH});

$v{DEB_BUILD_MULTIARCH} = debarch_to_multiarch($v{DEB_BUILD_ARCH});
$v{DEB_HOST_MULTIARCH} = debarch_to_multiarch($v{DEB_HOST_ARCH});

for my $k (@ordered) {
    $v{$k} = $ENV{$k} if (defined ($ENV{$k}) && !$force);
}

if ($action eq 'l') {
    foreach my $k (@ordered) {
	print "$k=$v{$k}\n";
    }
} elsif ($action eq 's') {
    foreach my $k (@ordered) {
	print "$k=$v{$k}; ";
    }
    print "export ".join(" ",@ordered)."\n";
} elsif ($action eq 'u') {
    print "unset ".join(" ",@ordered)."\n";
} elsif ($action eq 'e') {
    exit !debarch_eq($v{DEB_HOST_ARCH}, $req_eq_arch);
} elsif ($action eq 'i') {
    exit !debarch_is($v{DEB_HOST_ARCH}, $req_is_arch);
} elsif ($action eq 'c') {
    @ENV{keys %v} = values %v;
    exec @ARGV;
} elsif ($action eq 'q') {
    if (exists $v{$req_variable_to_print}) {
        print "$v{$req_variable_to_print}\n";
    } else {
        die sprintf(_g("%s is not a supported variable name"), $req_variable_to_print);
    }
}