Import of unversioned piny code.

12 files changed, 513 insertions, 0 deletions

diff --git a/usr/local/bin/addaccess b/usr/local/bin/addaccess
new file mode 100755
index 0000000..6f734f6
--- /dev/null
+++ b/usr/local/bin/addaccess
@@ -0,0 +1,2 @@
+#!/bin/sh
+exec /usr/bin/sudo /usr/local/sbin/addaccess "$@"
diff --git a/usr/local/bin/createuser b/usr/local/bin/createuser
new file mode 120000
index 0000000..e9d7937
--- /dev/null
+++ b/usr/local/bin/createuser
@@ -0,0 +1 @@
+newuser
\ No newline at end of file
diff --git a/usr/local/bin/newrepo b/usr/local/bin/newrepo
new file mode 100755
index 0000000..05ce120
--- /dev/null
+++ b/usr/local/bin/newrepo
@@ -0,0 +1,2 @@
+#!/bin/sh
+exec /usr/bin/sudo /usr/local/sbin/newrepo "$@"
diff --git a/usr/local/bin/newuser b/usr/local/bin/newuser
new file mode 100755
index 0000000..841b47d
--- /dev/null
+++ b/usr/local/bin/newuser
@@ -0,0 +1,2 @@
+#!/bin/sh
+exec /usr/bin/sudo /usr/local/sbin/newuser
diff --git a/usr/local/bin/pinyshell b/usr/local/bin/pinyshell
new file mode 100755
index 0000000..0db88a8
--- /dev/null
+++ b/usr/local/bin/pinyshell
@@ -0,0 +1,5 @@
+#!/bin/sh
+cd /srv/rbin
+export PATH=/srv/rbin
+
+exec /bin/rbash "$@"
diff --git a/usr/local/bin/rmaccess b/usr/local/bin/rmaccess
new file mode 100755
index 0000000..6c40690
--- /dev/null
+++ b/usr/local/bin/rmaccess
@@ -0,0 +1,2 @@
+#!/bin/sh
+exec /usr/bin/sudo /usr/local/sbin/rmaccess "$@"
diff --git a/usr/local/bin/rmrepo b/usr/local/bin/rmrepo
new file mode 100755
index 0000000..53bf029
--- /dev/null
+++ b/usr/local/bin/rmrepo
@@ -0,0 +1,2 @@
+#!/bin/sh
+exec /usr/bin/sudo /usr/local/sbin/rmrepo "$@"
diff --git a/usr/local/sbin/addaccess b/usr/local/sbin/addaccess
new file mode 100755
index 0000000..07cc893
--- /dev/null
+++ b/usr/local/sbin/addaccess
@@ -0,0 +1,39 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+my( $reponame, $uid, $gitowner);
+
+if ( ( ! scalar $ARGV[1] ) or ( scalar $ARGV[2] ) ) { # must have exactly two arguments
+  print( "Usage: addaccess USER REPONAME\n" );
+  exit( 1 );
+} elsif ( ( $ARGV[0] !~ /^[a-zA-Z0-9_.][a-zA-Z0-9_.-]+$/ ) or ( $ARGV[1] !~ /^[a-z0-9][a-z0-9+.-]+$/ ) ) { # Extra paranoid sanity checking
+  print( "Usage: addaccess USER REPONAME\n" );
+  print( "  USER must consist only of letters, digits, underscores, periods, and dashes, and not start with a dash.\n" );
+  print( "  REPONAME must consist only of lower case letters (a-z), digits (0-9), plus (+) and minus (-) signs, and periods (.).\n" );
+  print( "  REPONAME must be at least two characters long and must start with an alphanumeric character.\n" );
+  exit( 1 );
+} else {
+  $reponame = $ARGV[1];
+};
+
+open (PASSWD, '/etc/passwd');
+while(<PASSWD>) {
+  if( $_ =~ /^$ENV{SUDO_USER}:.+?:(.+?):/ ) { $uid = $1; }; # grabbing uid.
+};
+close(PASSWD);
+
+unless( -d "/srv/git/$reponame.git" ) {
+  print( "/srv/git/$reponame.git doesn't exist!\n" );
+  exit( 2 );
+};
+
+$gitowner = (stat( "/srv/git/$reponame.git" ))[4]; # grab owner uid of repository
+
+if( ( $gitowner != $uid ) and ( $gitowner != 65534 ) ) {
+  print( "$reponame is not owned by you!\n" );
+  exit( 3 );
+};
+
+system( "/usr/sbin/adduser $ARGV[0] git-$reponame" );
diff --git a/usr/local/sbin/newrepo b/usr/local/sbin/newrepo
new file mode 100755
index 0000000..7988117
--- /dev/null
+++ b/usr/local/sbin/newrepo
@@ -0,0 +1,226 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+my( $errorto ) = 'jrayhawk+piny.svcs.cs.pdx.edu@omgwallhack.org'; # Email address to send horrible errors to.
+my( $reponame, $email, @errors, $wikilisttempfile, $cgitrctempfile);
+
+if ( ( ! scalar $ARGV[0] ) or ( scalar $ARGV[1] ) or ( $ARGV[0] !~ /^[a-z0-9][a-z0-9+.-]+$/ ) ) {
+  print( "Usage: newrepo REPONAME\n" );
+  print( "  REPONAME must consist only of lower case letters (a-z), digits (0-9), plus (+) and minus (-) signs, and periods (.).\n" );
+  print( "  REPONAME must be at least two characters long and must start with an alphanumeric character.\n" );
+  exit( 1 );
+} else {
+  $reponame = $ARGV[0];
+};
+
+# We want to check to see if
+#   1) $reponame already exists in some form so we don't try to create it, and
+#   2) $reponame is only partially created, in which case we want to email someone who can sanity check and fix it.
+open (PASSWD, '/etc/passwd');
+while(<PASSWD>) {
+  if( $_ =~ /^$ENV{SUDO_USER}:.+?:.+?:.+?:(.+?):/ ) { $email = $1; }; # While we're here, may as well grab the email address.
+  if( $_ =~ /^ikiwiki-$reponame:/				) { push( @errors, "user ikiwiki-$reponame already exists!\n"); };
+};
+close(PASSWD);
+open (GROUP, '/etc/group');
+while(<GROUP>) {
+  if( $_ =~ /^git-$reponame:/					) { push( @errors, "group git-$reponame already exists!\n"); };
+};
+close(GROUP);
+if( -d "/srv/git/$reponame.git"					) { push( @errors, "/srv/git/$reponame.git already exists!\n"); };
+if( -d "/srv/ikiwiki/$reponame"					) { push( @errors, "/srv/ikiwiki/$reponame already exists!\n"); };
+if( -d "/srv/www/piny.svcs.cs.pdx.edu/$reponame"		) { push( @errors, "/srv/www/piny.svcs.cs.pdx.edu/$reponame already exists!\n"); };
+if( -d "/srv/www/cgi.piny.svcs.cs.pdx.edu/repos/$reponame"	) { push( @errors, "/srv/www/cgi.piny.svcs.cs.pdx.edu/repos/$reponame already exists!\n"); };
+if( -f "/etc/ikiwiki/piny/$reponame.setup"			) { push( @errors, "/etc/ikiwiki/piny/$reponame.setup already exists!\n"); };
+if( -f "/etc/ikiwiki/wikilist.d/$reponame"			) { push( @errors, "/etc/ikiwiki/wikilist.d/$reponame already exists!\n"); };
+if( -f "/etc/apache2/piny-available/$reponame"			) { push( @errors, "/etc/apache2/piny-available/$reponame already exists!\n"); };
+if( -f "/etc/cgitrc.d/$reponame"			        ) { push( @errors, "/etc/cgitrc.d/$reponame already exists!\n"); };
+
+if( @errors ) {
+  if( @errors == 10 ) { # Everything's fine, nothing is broken
+    print( "$reponame already exists!\n" );
+  } else {              # IT'S ARMAGEDDON
+    open ( MAIL, "|/usr/lib/sendmail -t" );
+    print( MAIL "To: $errorto\n" );
+    print( MAIL "From: newrepo\@piny.svcs.cs.pdx.edu\n" );
+    print( MAIL "Subject: Piny error: $ENV{SUDO_USER} found inconsistent $reponame in the creation process!\n" );
+    print( MAIL "MIME-Version: 1.0\n" );
+    print( MAIL "Content-Type: text/plain; charset=us-ascii\n" );
+    print( MAIL "\n" );
+    print( MAIL "@errors\n" );
+    close( MAIL );
+    print( "$reponame already exists but is in an inconsistent state! The Piny admins probably screwed up; they have been notified and will take a look at it.\n" );
+  };
+  exit( 2 );
+};
+
+
+# CREATE USER/GROUPS
+unless( system( "mkdir /srv/git/$reponame.git" ) == 0 ) { # We need a locking or atomic operation as our first to check against simultaneous execution.
+  print( "I suspect that you are attempting to create the same repo multiple times simultaneously.\n" );
+  exit( 3 );
+};
+system( "/usr/sbin/addgroup --quiet git-$reponame" );
+system( "/usr/sbin/adduser --quiet --system --group --gecos $reponame ikiwiki-$reponame" );
+system( "/usr/sbin/adduser --quiet ikiwiki-$reponame git-$reponame | grep -v 'Adding user'" );
+system( "/usr/sbin/adduser --quiet $ENV{SUDO_USER} git-$reponame | grep -v 'Adding user '" );
+
+# CREATE REPO
+system( "GIT_DIR=/srv/git/$reponame.git /usr/bin/git init --template=/srv/git-template.git --quiet --shared" );
+open ( DESC, ">/srv/git/$reponame.git/description" );
+print( DESC "$reponame owned by $email" );
+close( DESC );
+# ln -f post-receive /srv/git/$reponame.git/hooks/ # turn on e-mail commit notices
+system( "/bin/chown -R $ENV{SUDO_USER}.git-$reponame /srv/git/$reponame.git/" );
+system( "/bin/chown -R ikiwiki-$reponame.ikiwiki-$reponame /srv/git/$reponame.git/hooks/" );
+system( "/bin/touch /srv/git/$reponame.git/git-daemon-export-ok" );
+
+# WRITE IKIWIKI SETUP FILE
+open ( SETUP, ">/etc/ikiwiki/piny/$reponame.setup" );
+print( SETUP
+'#!/usr/bin/perl
+# Configuration file for ikiwiki.
+# Passing this to ikiwiki --setup will make ikiwiki generate wrappers and
+# build the wiki.
+#
+# Remember to re-run ikiwiki --setup any time you edit this file.
+
+use IkiWiki::Setup::Standard {
+	wikiname => \'' . $reponame . '\', # PINY
+	adminemail => \'' . $email . '\', # PINY
+	srcdir => \'/srv/ikiwiki/' . $reponame . '\', # PINY
+	destdir => \'/srv/www/piny.svcs.cs.pdx.edu/' . $reponame . '\', # PINY
+	url => \'http://piny.svcs.cs.pdx.edu/' . $reponame . '\', # PINY
+	cgiurl => \'https://cgi.piny.svcs.cs.pdx.edu/repos/' . $reponame . '/ikiwiki.cgi\', # PINY
+	historyurl => \'https://cgi.piny.svcs.cs.pdx.edu/gitweb.cgi?p=' . $reponame . '.git;a=history;f=[[file]]\', # PINY
+        diffurl => \'https://cgi.piny.svcs.cs.pdx.edu/gitweb.cgi?p=' . $reponame . ';a=blobdiff;f=doc/[[file]];h=[[sha1_to]];hp=[[sha1_from]];hb=[[sha1_commit]];hpb=[[sha1_parent]]\', # PINY
+
+	templatedir => "/srv/templates",
+	underlaydir => "/etc/ikiwiki/share/underlay",
+
+	rcs => "git",
+	gitorigin_branch => "origin",
+	gitmaster_branch => "master",
+
+	wrappers => [
+		{
+			cgi => 1,
+			wrapper => \'/srv/www/cgi.piny.svcs.cs.pdx.edu/repos/' . $reponame . '/ikiwiki.cgi\', # PINY
+			wrappermode => "06755",
+                        wrappergroup => \'git-' . $reponame . '\', # PINY
+		},
+		{
+			wrapper => \'/srv/git/' . $reponame . '.git/hooks/post-update\', # PINY
+			wrappermode => "06755",
+                        wrappergroup => \'git-' . $reponame . '\', # PINY
+
+			notify => 0,
+		},
+	],
+
+	# Generate rss feeds for blogs?
+	rss => 1,
+	# Generate atom feeds for blogs?
+	atom => 0,
+	# Include discussion links on all pages?
+	discussion => 0,
+	# To exclude files matching a regexp from processing. This adds to
+	# the default exclude list.
+	#exclude => qr/*\.wav/,
+	# To change the extension used for generated html files.
+	#htmlext => "htm",
+	# Time format (for strftime)
+	#timeformat => "%c",
+	# Locale to use. Must be a UTF-8 locale.
+	#locale => "en_US.UTF-8",
+	# Only send cookies over SSL connections.
+	sslcookie => 1,
+	# Logging settings:
+	verbose => 0,
+	syslog => 1,
+	# To link to user pages in a subdirectory of the wiki.
+	#userdir => "users",
+	# To create output files named page.html rather than page/index.html.
+	usedirs => 1,
+	# Simple spam prevention: require an account-creation password.
+	#account_creation_password => "example",
+	# Use new "!"-prefixed preprocessor directive syntax
+	prefix_directives => 1,
+	httpauth => 1,
+	# To add plugins, list them here.
+	add_plugins => [qw{sidebar toc meta table tag httpauth attachment rename remove autoindex map teximg version edittemplate}],
+	disable_plugins => [qw{openid passwordauth}],
+	teximg_prefix => \'\\documentclass{scrartcl}
+\\usepackage[version=3]{mhchem}
+\\usepackage{amsmath}
+\\usepackage{amsfonts}
+\\usepackage{amssymb}
+\\pagestyle{empty}
+\\newcommand{\unit}[1]{\\ensuremath{\\, \\mathrm{#1}}}
+\\begin{document}\',
+
+	teximg_dvipng => 1,
+
+	# For use with the tag plugin, make all tags be located under a
+	# base page.
+	tagbase => "tag",
+
+	# For use with the search plugin if your estseek.cgi is located
+	# somewhere else.
+	#estseek => "/usr/lib/estraier/estseek.cgi",
+}');
+close( SETUP );
+open ( WIKILIST, '>>/etc/ikiwiki/wikilist' );
+print( WIKILIST "ikiwiki-$reponame /etc/ikiwiki/piny/$reponame.setup\n" );
+close( WIKILIST );
+
+# WRITE APACHE CONFIG
+open ( APACHE, ">/etc/apache2/piny-available/$reponame" );
+print( APACHE '<Directory /srv/www/cgi.piny.svcs.cs.pdx.edu/repos/' . $reponame . '>
+	AuthPAM_Enabled on
+	AuthGROUP_Enabled on
+	AuthPAM_FallThrough off
+	AuthBasicAuthoritative off
+	AuthType Basic
+	AuthName "User access to ' . $reponame . ' repository needed."
+	Require group git-' . $reponame . '
+</Directory>' );
+close( APACHE );
+link( "/etc/apache2/piny-available/$reponame", "/etc/apache2/piny-enabled/$reponame");
+system( '/etc/init.d/apache2 reload | grep -v "Reloading web server config: apache2."' );
+
+
+# CREATE IKIWIKI WORKING DIR
+system( "/usr/bin/git clone --quiet /srv/git/$reponame /srv/ikiwiki/$reponame" );
+mkdir( "/srv/www/piny.svcs.cs.pdx.edu/$reponame" );
+mkdir( "/srv/www/cgi.piny.svcs.cs.pdx.edu/repos/$reponame" );
+system( "/bin/chown -R ikiwiki-$reponame /srv/ikiwiki/$reponame /srv/www/piny.svcs.cs.pdx.edu/$reponame /srv/www/cgi.piny.svcs.cs.pdx.edu/repos/$reponame" );
+
+open ( WIKILIST, ">/etc/ikiwiki/wikilist.d/$reponame" ); # Maybe someday ikiwiki will support wikilist.d.
+print( WIKILIST "ikiwiki-$reponame /etc/ikiwiki/piny/$reponame.setup\n" ); # In the meantime, we fake it.
+close( WIKILIST );
+$wikilisttempfile = `/bin/mktemp`;
+chomp( $wikilisttempfile );
+system( "/bin/cat /etc/ikiwiki/wikilist.d/* > $wikilisttempfile" );
+chmod ( 0644, $wikilisttempfile );
+system( "/bin/mv $wikilisttempfile /etc/ikiwiki/wikilist" ); # This is marginally racy, but the consequences are probably ignorable.
+
+open ( CGITRC, ">/etc/cgitrc.d/$reponame" ); # Maybe someday cgit will support cgitrc.d.
+print( CGITRC
+"repo.url=$reponame
+repo.path=/srv/git/$reponame.git
+repo.desc=$reponame
+repo.owner=$email
+
+" ); # In the meantime, we fake it.
+close( CGITRC );
+$cgitrctempfile = `/bin/mktemp`;
+chomp( $cgitrctempfile );
+system( "/bin/cat /etc/cgitrc.d/* > $cgitrctempfile" );
+chmod ( 0644, $cgitrctempfile );
+system( "/bin/mv $cgitrctempfile /etc/cgitrepos" ); # This is marginally racy, but the consequences are minor.
+
+# COMPILE
+system( "/usr/bin/sudo -u ikiwiki-$reponame /usr/bin/ikiwiki --setup /etc/ikiwiki/piny/$reponame.setup | grep -v 'successfully generated'" );
diff --git a/usr/local/sbin/newuser b/usr/local/sbin/newuser
new file mode 100755
index 0000000..e0b175b
--- /dev/null
+++ b/usr/local/sbin/newuser
@@ -0,0 +1,129 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+use Email::Valid::Loose qw( );
+
+# If they passed any arguments, complain and exit.
+if ( scalar @ARGV ) {
+  print "You can't pass any arguments to this script!\n";
+  exit 2;
+};
+
+# If they didn't provide a terminal definition, then assume xterm.
+# Everybody emulates xterm to at least a basic extent.
+if ( not exists $ENV{"TERM"} ) {
+  $ENV{"TERM"} = "xterm";
+  print "I don't know what terminal you're using; guessing xterm...\n";
+};
+
+# Disable buffering.
+$|++;
+
+# Configure the strictness of our email checks.
+my $checker = Email::Valid::Loose->new
+  ( "-fqdn"        => 1
+  , "-fudge"       => 0
+  , "-local_rules" => 0
+  , "-mxcheck"     => 1
+  , "-tldcheck"    => 0
+  );
+
+my ( $email, $username, $password1, $password2 );
+
+while ( 1 ) {
+
+  print "Your email address: ";
+  chomp ( $email = <STDIN> );
+
+  if ( $email eq "" ) {
+    print "You must provide an email address!\n";
+    next;
+  };
+
+  $email = $checker->address( $email );
+  if ( not defined $email ) {
+    print "Please, at least pretend to provide a valid email address.\n";
+    next;
+  };
+
+  last;
+
+};
+
+while ( 1 ) {
+
+  print "Desired username: ";
+  chomp ( $username = <STDIN> );
+
+  if ( $username eq "" ) {
+    print "You have to enter a username!\n";
+    next;
+  };
+  
+  if ( $username =~ /^git-|^ikiwiki-/ ) {
+    print "Your username cannot start with git- or ikiwiki-!\n";
+    next
+  };
+
+  if ( $username !~ /^[a-zA-Z0-9_.][a-zA-Z0-9_.-]+$/ ) {
+    print( "Usernames must consist only of letters, digits, underscores, periods, and dashes, and not start with a dash. Usernames are case sensitive.\n" );
+    next
+  };
+
+  last;
+
+};
+
+while ( 1 ) {
+
+  system( "stty", "-echo" );
+  print "Desired password: ";
+  chomp ( $password1 = <STDIN> );
+  print "\nRetype password: ";
+  chomp ( $password2 = <STDIN> );
+  print "\n";
+  system( "stty", "echo" );
+
+  if ( $password1 ne $password2 ) {
+    print "Provided passwords do not match; try again.\n";
+    next;
+  };
+
+  if ( $password1 eq "" ) {
+    print "You have to enter a password!\n";
+    next;
+  };
+
+  last;
+
+};
+
+my @saltchars =
+  ( 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'
+  , 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'
+  , '0', '1', '2', '3', '4', '5', '6', '7', '8', '9'
+  , '.', '/'
+  );
+
+my $salt = "\$6\$";
+
+foreach my $n ( 1 .. 16 ) {
+  $salt .= $saltchars[int ( rand ( scalar @saltchars ) )];
+};
+
+$salt .= "\$";
+
+my $crypt = crypt( $password1, $salt );
+
+my $ret = system( "/usr/sbin/useradd", "-c", "$email", "-k", "/var/empty", "-g", "users", "-m", "-p", $crypt, "-s", "/usr/local/bin/pinyshell", $username );
+
+if ( $ret ) {
+  print "An error occured creating the user; most likely, that username is already taken.\n";
+  exit 1;
+};
+
+print "Your user has been created. Try logging in!\n";
+
+exit 0;
diff --git a/usr/local/sbin/rmaccess b/usr/local/sbin/rmaccess
new file mode 100755
index 0000000..2f7e06e
--- /dev/null
+++ b/usr/local/sbin/rmaccess
@@ -0,0 +1,39 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+my( $reponame, $uid, $gitowner);
+
+if ( ( ! scalar $ARGV[1] ) or ( scalar $ARGV[2] ) ) { # must have exactly two arguments
+  print( "Usage: rmaccess USER REPONAME\n" );
+  exit( 1 );
+} elsif ( ( $ARGV[0] !~ /^[a-zA-Z0-9_.][a-zA-Z0-9_.-]+$/ ) or ( $ARGV[1] !~ /^[a-z0-9][a-z0-9+.-]+$/ ) ) { # Extra paranoid sanity checking
+  print( "Usage: rmaccess USER REPONAME\n" );
+  print( "  USER must consist only of letters, digits, underscores, periods, and dashes, and not start with a dash.\n");
+  print( "  REPONAME must consist only of lower case letters (a-z), digits (0-9), plus (+) and minus (-) signs, and periods (.).\n" );
+  print( "  REPONAME must be at least two characters long and must start with an alphanumeric character.\n" );
+  exit( 1 );
+} else {
+  $reponame = $ARGV[1];
+};
+
+open (PASSWD, '/etc/passwd');
+while(<PASSWD>) {
+  if( $_ =~ /^$ENV{SUDO_USER}:.+?:(.+?):/ ) { $uid = $1; }; # grabbing uid.
+};
+close(PASSWD);
+
+unless( -d "/srv/git/$reponame.git" ) {
+  print( "/srv/git/$reponame.git doesn't exist!\n" );
+  exit( 2 );
+};
+
+$gitowner = (stat( "/srv/git/$reponame.git" ))[4]; # grab owner uid of repository
+
+if( ( $gitowner != $uid ) and ( $gitowner != 65534 ) ) {
+  print( "$reponame is not owned by you!\n" );
+  exit( 3 );
+};
+
+system( "/usr/sbin/deluser $ARGV[0] git-$reponame" );
diff --git a/usr/local/sbin/rmrepo b/usr/local/sbin/rmrepo
new file mode 100755
index 0000000..3905412
--- /dev/null
+++ b/usr/local/sbin/rmrepo
@@ -0,0 +1,64 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+my( $reponame, $uid, $gitowner, $wikilisttempfile, $cgitrctempfile);
+
+if ( ( ! scalar $ARGV[0] ) or ( scalar $ARGV[1] ) or ( $ARGV[0] !~ /^[a-z0-9][a-z0-9+.-]+$/ ) ) {
+  print( "Usage: rmrepo REPONAME\n" );
+  exit( 1 );
+} else {
+  $reponame = $ARGV[0];
+};
+
+open (PASSWD, '/etc/passwd');
+while(<PASSWD>) {
+  if( $_ =~ /^$ENV{SUDO_USER}:.+?:(.+?):/ ) { $uid = $1; }; # grabbing uid.
+};
+close(PASSWD);
+
+unless( -d "/srv/git/$reponame.git" ) {
+  print( "/srv/git/$reponame.git doesn't exist!\n" );
+  exit( 2 );
+};
+
+$gitowner = (stat "/srv/git/$reponame.git")[4];
+
+if( ( $gitowner != $uid ) and ( $gitowner != 65534 ) ) {
+  print( "$reponame is not owned by you!\n" );
+  exit( 3 );
+};
+
+# We have to be careful about how we delete things; we don't want have post-update or ikiwiki.cgi thrashing, and we REALLY don't want to leave remappable owner UIDs around, but we're also keying security on /srv/git/$reponame
+system( "/bin/chown -R nobody.nogroup /srv/git/$reponame.git" );
+
+unlink( "/etc/ikiwiki/wikilist.d/$reponame" );
+$wikilisttempfile = `/bin/mktemp`;
+chomp ( $wikilisttempfile );
+system( "/bin/cat /etc/ikiwiki/wikilist.d/* > $wikilisttempfile" );
+chmod ( 0644, $wikilisttempfile );
+system( "/bin/mv $wikilisttempfile /etc/ikiwiki/wikilist" ); # This is marginally racy, but the consequences are probably ignorable.
+
+unlink( "/etc/cgitrc.d/$reponame" );
+$cgitrctempfile = `/bin/mktemp`;
+chomp ( $cgitrctempfile );
+system( "/bin/cat /etc/cgitrc.d/* > $cgitrctempfile" );
+chmod ( 0644, $cgitrctempfile );
+system( "/bin/mv $cgitrctempfile /etc/cgitrepos" ); # This is marginally racy, but the consequences are probably ignorable.
+
+system( "/bin/rm -r /srv/www/piny.svcs.cs.pdx.edu/$reponame" );
+system( "/bin/rm -r /srv/www/cgi.piny.svcs.cs.pdx.edu/repos/$reponame" );
+
+unlink( "/etc/ikiwiki/piny/$reponame.setup" );
+system( "/bin/rm -r /srv/ikiwiki/$reponame" );
+
+unlink( "/etc/apache2/piny-available/$reponame" );
+unlink( "/etc/apache2/piny-enabled/$reponame" );
+system( '/etc/init.d/apache2 reload | grep -v "Reloading web server config: apache2."' );
+
+system( "/usr/sbin/delgroup --quiet git-$reponame" );
+system( "/usr/sbin/deluser --quiet --remove-home ikiwiki-$reponame" );
+system( "/usr/sbin/delgroup --quiet ikiwiki-$reponame" );
+
+system( "/bin/rm -rf /srv/git/$reponame.git" );