X-Git-Url: http://www.privoxy.org/gitweb/?p=privoxy.git;a=blobdiff_plain;f=tools%2Fuagen.pl;h=b6af7332751fdef522ab574bee6f5f1d3cd016fc;hp=b865320de5dcd37de388e9ad57e71f40b1b9ecca;hb=23445442f4bf0aa0bcf6e35df09daf8ef0d69d99;hpb=ba08a5ee9e40d95bddd0fcfe2212bf368de36e42 diff --git a/tools/uagen.pl b/tools/uagen.pl index b865320d..b6af7332 100755 --- a/tools/uagen.pl +++ b/tools/uagen.pl @@ -1,24 +1,23 @@ #!/usr/bin/perl ############################################################################################## -# uagen (http://www.fabiankeil.de/sourcecode/uagen/) -# -# $Id: uagen.pl,v 1.10 2010/12/11 15:54:30 fabiankeil Exp $ +# uagen (https://www.fabiankeil.de/sourcecode/uagen/) # # Generates a pseudo-random Firefox user agent and writes it into a Privoxy action file # and optionally into a Mozilla prefs file. For documentation see 'perldoc uagen(.pl)'. # -# Examples (created with v1.0): +# Examples (created with v1.2.2): # -# Mozilla/5.0 (X11; U; NetBSD i386; en-US; rv:1.8.0.2) Gecko/20060421 Firefox/1.5.0.2 -# Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-CA; rv:1.8.0.2) Gecko/20060425 Firefox/1.5.0.2 -# Mozilla/5.0 (X11; U; SunOS i86pc; no-NO; rv:1.8.0.2) Gecko/20060420 Firefox/1.5.0.2 -# Mozilla/5.0 (X11; U; Linux x86_64; de-AT; rv:1.8.0.2) Gecko/20060422 Firefox/1.5.0.2 -# Mozilla/5.0 (X11; U; NetBSD i386; en-US; rv:1.8.0.2) Gecko/20060415 Firefox/1.5.0.2 -# Mozilla/5.0 (X11; U; OpenBSD sparc64; pl-PL; rv:1.8.0.2) Gecko/20060429 Firefox/1.5.0.2 -# Mozilla/5.0 (X11; U; Linux i686; en-CA; rv:1.8.0.2) Gecko/20060413 Firefox/1.5.0.2 +# Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0 +# Mozilla/5.0 (Macintosh; PPC Mac OS X; rv:78.0) Gecko/20100101 Firefox/78.0 +# Mozilla/5.0 (X11; NetBSD i386; rv:78.0) Gecko/20100101 Firefox/78.0 +# Mozilla/5.0 (X11; OpenBSD alpha; rv:78.0) Gecko/20100101 Firefox/78.0 +# Mozilla/5.0 (X11; FreeBSD amd64; rv:78.0) Gecko/20100101 Firefox/78.0 +# Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0 +# Mozilla/5.0 (X11; ElectroBSD amd64; rv:78.0) Gecko/20100101 Firefox/78.0 +# Mozilla/5.0 (X11; FreeBSD i386; rv:78.0) Gecko/20100101 Firefox/78.0 # -# Copyright (c) 2006-2009 Fabian Keil +# Copyright (c) 2006-2020 Fabian Keil # # Permission to use, copy, modify, and distribute this software for any # purpose with or without fee is hereby granted, provided that the above @@ -40,7 +39,7 @@ use Getopt::Long; use constant { - UAGEN_VERSION => 'uagen 1.0.10', + UAGEN_VERSION => 'uagen 1.2.2', UAGEN_LOGFILE => '/var/log/uagen.log', ACTION_FILE => '/etc/privoxy/user-agent.action', @@ -51,14 +50,18 @@ use constant { LOOP => 0, SLEEPING_TIME => 5, + # As of Firefox 4, the "Gecko token" has been frozen + # https://hacks.mozilla.org/2010/09/final-user-agent-string-for-firefox-4/ + RANDOMIZE_RELEASE_DATE => 0, + # These variables belong together. If you only change one of them, the generated # User-Agent might be invalid. If you're not sure which values make sense, # are too lazy to check, but want to change them anyway, take the values you # see in the "Help/About Mozilla Firefox" menu. - BROWSER_VERSION => "3.6.15", - BROWSER_REVISION => '1.9.2.15', - BROWSER_RELEASE_DATE => '20110305', + BROWSER_VERSION => "78.0", + BROWSER_REVISION => '78.0', + BROWSER_RELEASE_DATE => '20100101', }; use constant LANGUAGES => qw( @@ -68,51 +71,48 @@ use constant LANGUAGES => qw( ####################################################################################### sub generate_creation_time($) { - my $release_date = $_ = shift; + my $release_date = shift; my ($rel_year, $rel_mon, $rel_day); my ($c_day, $c_mon, $c_year); my $now = time; - my ( $sec, $min, $hour, $mday, $mon, $year, $wday, $yday, $isdst ) = - localtime $now; + my (undef, undef, undef, $mday, $mon, $year, undef, undef, undef) = localtime($now); $mon += 1; $year += 1900; - unless ( m/\d{6}/ ) { + unless ($release_date =~ m/\d{6}/) { log_error("Invalid release date format: $release_date. Using " . BROWSER_RELEASE_DATE . " instead."); $release_date = BROWSER_RELEASE_DATE; } - $rel_year = substr $release_date, 0, 4; - $rel_mon = substr $release_date, 4, 2; - $rel_day = substr $release_date, 6, 2; + $rel_year = substr($release_date, 0, 4); + $rel_mon = substr($release_date, 4, 2); + $rel_day = substr($release_date, 6, 2); #1, 2, 3, Check. - die "release year in the future" if ( $year < $rel_year ); + die "release year in the future" if ($year < $rel_year); die "release month in the future" - if ( ( $year == $rel_year ) and ( $mon < $rel_mon ) ); + if (($year == $rel_year) and ($mon < $rel_mon)); die "release day in the future" - if ( ( $year == $rel_year ) - and ( $mon == $rel_mon ) - and ( $mday < $rel_day ) ); + if (($year == $rel_year) and ($mon == $rel_mon) and ($mday < $rel_day)); my @c_time = (0, 0, 0, $rel_day, $rel_mon - 1, $rel_year - 1900, 0, 0, 0); - my $c_seconds = &timelocal( @c_time ); + my $c_seconds = timelocal(@c_time); $c_seconds = $now - (int rand ($now - $c_seconds)); - @c_time = localtime $c_seconds; - ($sec, $min, $hour, $c_day, $c_mon, $c_year, $wday, $yday, $isdst) = @c_time; + @c_time = localtime($c_seconds); + (undef, undef, undef, $c_day, $c_mon, $c_year, undef, undef, undef) = @c_time; $c_mon += 1; $c_year += 1900; #3, 2, 1, Test. - die "Compilation year in the future" if ( $year < $c_year ); + die "Compilation year in the future" if ($year < $c_year); die "Compilation month in the future" - if ( ( $year == $c_year ) and ( $mon < $c_mon ) ); + if (($year == $c_year) and ($mon < $c_mon)); die "Compilation day in the future" - if ( ( $year == $c_year ) and ( $mon == $c_mon ) and ( $mday < $c_day ) ); + if (($year == $c_year) and ($mon == $c_mon) and ($mday < $c_day)); - return sprintf "%.2i%.2i%.2i", $c_year, $c_mon, $c_day; + return sprintf("%.2i%.2i%.2i", $c_year, $c_mon, $c_day); } sub generate_language_settings() { @@ -129,10 +129,16 @@ sub generate_language_settings() { sub generate_platform_and_os() { my %os_data = ( + ElectroBSD => { + karma => 1, + platform => 'X11', + architectures => [ 'i386', 'amd64' ], + order_is_inversed => 0, + }, FreeBSD => { karma => 1, platform => 'X11', - architectures => [ 'i386', 'amd64', 'sparc64', 'alpha' ], + architectures => [ 'i386', 'amd64', 'sparc64' ], order_is_inversed => 0, }, OpenBSD => { @@ -200,17 +206,18 @@ sub generate_firefox_user_agent() { our $browser_version; our $browser_revision; our $browser_release_date; + our $randomize_release_date; my $mozillaversion = '5.0'; - my $security = "U"; - my $creation_time = generate_creation_time($browser_release_date); + my $creation_time = $randomize_release_date ? + generate_creation_time($browser_release_date) : $browser_release_date; my ( $locale, $accept_language ) = generate_language_settings(); my ( $platform, $os_or_cpu ) = generate_platform_and_os; my $firefox_user_agent = - sprintf "Mozilla/%s (%s; %s; %s; %s; rv:%s) Gecko/%s Firefox/%s", - $mozillaversion, $platform, $security, $os_or_cpu, $locale, $browser_revision, + sprintf "Mozilla/%s (%s; %s; rv:%s) Gecko/%s Firefox/%s", + $mozillaversion, $platform, $os_or_cpu, $browser_revision, $creation_time, $browser_version; return $accept_language, $firefox_user_agent; @@ -232,7 +239,7 @@ sub log_to_file($) { return if $no_logging; - open(my $log_fd, ">>" . $logfile) || die "Writing " . $logfile . " failed"; + open(my $log_fd, ">>", $logfile) || die "Writing " . $logfile . " failed"; printf $log_fd UAGEN_VERSION . " ($logtime) $message\n"; close($log_fd); } @@ -274,7 +281,7 @@ sub write_action_file() { $action_file_content .= sprintf " +hide-user-agent{%s} \\\n}\n/\n", $user_agent; } - open(my $actionfile_fd, ">" . $action_file) + open(my $actionfile_fd, ">", $action_file) or log_error "Writing action file $action_file failed!"; print $actionfile_fd $action_file_content; close($actionfile_fd); @@ -292,7 +299,7 @@ sub write_prefs_file() { my $prefs_file_content = ''; my $prefsfile_fd; - if (open($prefsfile_fd, $mozilla_prefs_file)) { + if (open($prefsfile_fd, "<", $mozilla_prefs_file)) { while (<$prefsfile_fd>) { s@user_pref\(\"general.useragent.override\",.*\);\n?@@; @@ -309,7 +316,7 @@ sub write_prefs_file() { sprintf("user_pref(\"intl.accept_languages\", \"%s\");\n", $accept_language) unless $clean_prefs; - open($prefsfile_fd, ">" . $mozilla_prefs_file) + open($prefsfile_fd, ">", $mozilla_prefs_file) or log_error "Writing prefs file $mozilla_prefs_file failed!"; print $prefsfile_fd $prefs_file_content; close($prefsfile_fd); @@ -317,8 +324,8 @@ sub write_prefs_file() { } sub VersionMessage() { - printf UAGEN_VERSION . "\n" . 'Copyright (C) 2006-2009 Fabian Keil ' . - "\nhttp://www.fabiankeil.de/sourcecode/uagen/\n"; + printf UAGEN_VERSION . "\n" . 'Copyright (C) 2006-2020 Fabian Keil ' . + "\nhttps://www.fabiankeil.de/sourcecode/uagen/\n"; } sub help() { @@ -360,6 +367,7 @@ Options and their default values if there are any: [--no-hide-accept-language] [--no-logfile] [--prefs-file$mozilla_prefs_file] + [--randomize-release-date] [--quiet] [--silent] [--sleeping-time $sleeping_time] @@ -379,6 +387,7 @@ sub main() { our $no_logging = NO_LOGGING; our $logfile = UAGEN_LOGFILE; our $action_file = ACTION_FILE; + our $randomize_release_date = RANDOMIZE_RELEASE_DATE; our $browser_version = BROWSER_VERSION; our $browser_revision = BROWSER_REVISION; our $browser_release_date = BROWSER_RELEASE_DATE; @@ -399,6 +408,7 @@ sub main() { 'no-hide-accept-language' => \$no_hide_accept_language, 'no-logfile' => \$no_logging, 'no-action-file' => \$no_action_file, + 'randomize-release-date' => \$randomize_release_date, 'browser-version=s' => \$browser_version, 'browser-revision=s' => \$browser_revision, 'browser-release-date=s' => \$browser_release_date, @@ -434,7 +444,6 @@ sub main() { } main(); -exit(0); =head1 NAME @@ -449,14 +458,14 @@ B [B<--action-file> I] [B<--action-injection>] [B<--clean-prefs-file>] [B<--help>] [B<--language-overwrite> I] [B<--logfile> I] [B<--loop>] [B<--no-action-file>] [B<--no-logfile>] -[B<--prefs-file> I] +[B<--prefs-file> I] [B<--randomize-release-date>] [B<--quiet>] [B<--sleeping-time> I] [B<--silent>] [B<--version>] =head1 DESCRIPTION B generates a fake Firefox User-Agent and writes it into a Privoxy action file as parameter for Privoxy's B action. Operating system, architecture, -platform, language and build date are randomized. +platform, language and, optionally, the build date are randomized. The generated language is also used as parameter for the B action which is understood by Privoxy since @@ -476,10 +485,9 @@ to keep custom URL patterns. For this to work, the action file has to be already present. B neither checks the syntax nor cares if all actions are present. Garbage in, garbage out. -B<--browser-release-date> I Date when the faked -browser version was first released, format is YYYYMMDD. B will -pick a date between the release date and the actual date to use it as -build time. Some sanity checks are done, but you shouldn't rely on them. +B<--browser-release-date> I Date to use. +The format is YYYYMMDD. Some sanity checks are done, but you +shouldn't rely on them. B<--browser-revision> I Use a custom revision. B will use it without any sanity checks. @@ -521,6 +529,12 @@ Firefox's preference file is usually located in ~/.mozilla/firefox/*.default/prefs.js. Note that Firefox doesn't reread the file once it is running. +B<--randomize-release-date> Randomly pick a date between the configured +release date and the actual date. Note that Firefox versions after 4.0 +no longer provide the build date in the User-Agent header, so if you +randomize the date anyway, it will be obvious that the generated User-Agent +is fake. + B<--quiet> Don't print the generated User-Agent to the console. B<--sleeping-time> I Time to sleep. Only effective if used with B<--loop>. @@ -570,10 +584,8 @@ could look like this one: =head1 CAVEATS -If the browser opens an encrypted connection, Privoxy can't inspect -the content and the browser's headers reach the server unmodified. -It is the user's job to use Privoxy's limit-connect action to make sure -there are no encrypted connections to untrusted sites. +Use the https-inspection action to make sure Privoxy can modify +the browser's headers for encrypted traffic as well. Mozilla users can alter the browser's User-Agent with the B<--prefs-file> option. But note that the preference file is only read @@ -595,9 +607,9 @@ privoxy(1) Fabian Keil -http://www.fabiankeil.de/sourcecode/uagen/ +https://www.fabiankeil.de/sourcecode/uagen/ -http://www.fabiankeil.de/blog-surrogat/2006/01/26/firefox-user-agent-generator.html (German) +https://www.fabiankeil.de/blog-surrogat/2006/01/26/firefox-user-agent-generator.html (German) =cut