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-rw-r--r--perl-install/standalone/interactive_http/miniserv.pl1817
1 files changed, 0 insertions, 1817 deletions
diff --git a/perl-install/standalone/interactive_http/miniserv.pl b/perl-install/standalone/interactive_http/miniserv.pl
deleted file mode 100644
index b11ce26e2..000000000
--- a/perl-install/standalone/interactive_http/miniserv.pl
+++ /dev/null
@@ -1,1817 +0,0 @@
-#!/usr/bin/perl
-# A very simple perl web server used by Webmin
-
-# Require basic libraries
-package miniserv;
-use Socket;
-use POSIX;
-use Sys::Hostname;
-
-# Find and read config file
-if (@ARGV != 1) {
- die "Usage: miniserv.pl <config file>";
- }
-if ($ARGV[0] =~ /^\//) {
- $conf = $ARGV[0];
- }
-else {
- chop($pwd = `pwd`);
- $conf = "$pwd/$ARGV[0]";
- }
-open(CONF, $conf) || die "Failed to open config file $conf : $!";
-while(<CONF>) {
- s/\r|\n//g;
- if (/^#/ || !/\S/) { next; }
- /^([^=]+)=(.*)$/;
- $name = $1; $val = $2;
- $name =~ s/^\s+//g; $name =~ s/\s+$//g;
- $val =~ s/^\s+//g; $val =~ s/\s+$//g;
- $config{$name} = $val;
- }
-close(CONF);
-
-# Check is SSL is enabled and available
-if ($config{'ssl'}) {
- eval "use Net::SSLeay";
- if (!$@) {
- $use_ssl = 1;
- # These functions only exist for SSLeay 1.0
- eval "Net::SSLeay::SSLeay_add_ssl_algorithms()";
- eval "Net::SSLeay::load_error_strings()";
- if (defined(&Net::SSLeay::X509_STORE_CTX_get_current_cert) &&
- defined(&Net::SSLeay::CTX_load_verify_locations) &&
- defined(&Net::SSLeay::CTX_set_verify)) {
- $client_certs = 1;
- }
- }
- }
-
-# Check if the syslog module is available to log hacking attempts
-if ($config{'syslog'}) {
- eval "use Sys::Syslog qw(:DEFAULT setlogsock)";
- if (!$@) {
- $use_syslog = 1;
- }
- }
-
-# check if the PAM module is available to authenticate
-eval "use Authen::PAM";
-if (!$@) {
- # check if the PAM authentication can be used by opening a handle
- if (! ref($pamh = new Authen::PAM("miniserv", "root", \&pam_conv_func))) {
- print STDERR "PAM module available, but error during init !\n";
- print STDERR "Disabling PAM functions.\n";
- }
- else {
- $use_pam = 1;
- }
- }
-
-# check if the TCP-wrappers module is available
-if ($config{'libwrap'}) {
- eval "use Authen::Libwrap qw(hosts_ctl STRING_UNKNOWN)";
- if (!$@) {
- $use_libwrap = 1;
- }
- }
-
-# Get miniserv's perl path and location
-$miniserv_path = $0;
-open(SOURCE, $miniserv_path);
-<SOURCE> =~ /^#!(\S+)/; $perl_path = $1;
-close(SOURCE);
-@miniserv_argv = @ARGV;
-
-# Check vital config options
-%vital = ("port", 80,
- "root", "./",
- "server", "MiniServ/0.01",
- "index_docs", "index.html index.htm index.cgi",
- "addtype_html", "text/html",
- "addtype_txt", "text/plain",
- "addtype_gif", "image/gif",
- "addtype_jpg", "image/jpeg",
- "addtype_jpeg", "image/jpeg",
- "realm", "MiniServ",
- "session_login", "/session_login.cgi"
- );
-foreach $v (keys %vital) {
- if (!$config{$v}) {
- if ($vital{$v} eq "") {
- die "Missing config option $v";
- }
- $config{$v} = $vital{$v};
- }
- }
-if (!$config{'sessiondb'}) {
- $config{'pidfile'} =~ /^(.*)\/[^\/]+$/;
- $config{'sessiondb'} = "$1/sessiondb";
- }
-die "Session authentication cannot be used in inetd mode"
- if ($config{'inetd'} && $config{'session'});
-
-# init days and months for http_date
-@weekday = ( "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" );
-@month = ( "Jan", "Feb", "Mar", "Apr", "May", "Jun",
- "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" );
-
-# Change dir to the server root
-chdir($config{'root'});
-$user_homedir = (getpwuid($<))[7];
-
-# Read users file
-if ($config{'userfile'}) {
- open(USERS, $config{'userfile'});
- while(<USERS>) {
- s/\r|\n//g;
- local @user = split(/:/, $_);
- $users{$user[0]} = $user[1];
- $certs{$user[0]} = $user[3] if ($user[3]);
- if ($user[4] =~ /^allow\s+(.*)/) {
- $allow{$user[0]} = [ &to_ipaddress(split(/\s+/, $1)) ];
- }
- elsif ($user[4] =~ /^deny\s+(.*)/) {
- $deny{$user[0]} = [ &to_ipaddress(split(/\s+/, $1)) ];
- }
- }
- close(USERS);
- }
-
-# Setup SSL if possible and if requested
-if ($use_ssl) {
- $ssl_ctx = Net::SSLeay::CTX_new() ||
- die "Failed to create SSL context : $!";
- $client_certs = 0 if (!$config{'ca'} || !%certs);
- if ($client_certs) {
- Net::SSLeay::CTX_load_verify_locations(
- $ssl_ctx, $config{'ca'}, "");
- Net::SSLeay::CTX_set_verify(
- $ssl_ctx, &Net::SSLeay::VERIFY_PEER, \&verify_client);
- }
-
- Net::SSLeay::CTX_use_RSAPrivateKey_file(
- $ssl_ctx, $config{'keyfile'},
- &Net::SSLeay::FILETYPE_PEM) || die "Failed to open SSL key";
- Net::SSLeay::CTX_use_certificate_file(
- $ssl_ctx, $config{'keyfile'},
- &Net::SSLeay::FILETYPE_PEM);
- }
-
-# Setup syslog support if possible and if requested
-if ($use_syslog) {
- eval { openlog("miniserv", "cons,pid,ndelay", "daemon") };
- $use_syslog = 0 if ($@);
- }
-
-# Read MIME types file and add extra types
-if ($config{"mimetypes"} ne "") {
- open(MIME, $config{"mimetypes"});
- while(<MIME>) {
- chop; s/#.*$//;
- if (/^(\S+)\s+(.*)$/) {
- $type = $1; @exts = split(/\s+/, $2);
- foreach $ext (@exts) {
- $mime{$ext} = $type;
- }
- }
- }
- close(MIME);
- }
-foreach $k (keys %config) {
- if ($k !~ /^addtype_(.*)$/) { next; }
- $mime{$1} = $config{$k};
- }
-
-# get the time zone
-if ($config{'log'}) {
- local(@gmt, @lct, $days, $hours, $mins);
- @make_date_marr = ("Jan", "Feb", "Mar", "Apr", "May", "Jun",
- "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
- @gmt = gmtime(time());
- @lct = localtime(time());
- $days = $lct[3] - $gmt[3];
- $hours = ($days < -1 ? 24 : 1 < $days ? -24 : $days * 24) +
- $lct[2] - $gmt[2];
- $mins = $hours * 60 + $lct[1] - $gmt[1];
- $timezone = ($mins < 0 ? "-" : "+"); $mins = abs($mins);
- $timezone .= sprintf "%2.2d%2.2d", $mins/60, $mins%60;
- }
-
-if ($config{'inetd'}) {
- # We are being run from inetd - go direct to handling the request
- $SIG{'HUP'} = 'IGNORE';
- $SIG{'TERM'} = 'DEFAULT';
- $SIG{'PIPE'} = 'DEFAULT';
- open(SOCK, "+>&STDIN");
-
- # Check if it is time for the logfile to be cleared
- if ($config{'logclear'}) {
- local $write_logtime = 0;
- local @st = stat("$config{'logfile'}.time");
- if (@st) {
- if ($st[9]+$config{'logtime'}*60*60 < time()){
- # need to clear log
- $write_logtime = 1;
- unlink($config{'logfile'});
- }
- }
- else { $write_logtime = 1; }
- if ($write_logtime) {
- open(LOGTIME, ">$config{'logfile'}.time");
- print LOGTIME time(),"\n";
- close(LOGTIME);
- }
- }
-
- # Initialize SSL for this connection
- if ($use_ssl) {
- $ssl_con = Net::SSLeay::new($ssl_ctx);
- Net::SSLeay::set_fd($ssl_con, fileno(SOCK));
- #Net::SSLeay::use_RSAPrivateKey_file(
- # $ssl_con, $config{'keyfile'},
- # &Net::SSLeay::FILETYPE_PEM);
- #Net::SSLeay::use_certificate_file(
- # $ssl_con, $config{'keyfile'},
- # &Net::SSLeay::FILETYPE_PEM);
- Net::SSLeay::accept($ssl_con) || exit;
- }
-
- # Work out the hostname for this web server
- if (!$config{'host'}) {
- ($myport, $myaddr) =
- unpack_sockaddr_in(getsockname(SOCK));
- $myname = gethostbyaddr($myaddr, AF_INET);
- if ($myname eq "") {
- $myname = inet_ntoa($myaddr);
- }
- $host = $myname;
- }
- else { $host = $config{'host'}; }
- $port = $config{'port'};
-
- while(&handle_request(getpeername(SOCK), getsockname(SOCK))) { }
- close(SOCK);
- exit;
- }
-
-# Open main socket
-$proto = getprotobyname('tcp');
-socket(MAIN, PF_INET, SOCK_STREAM, $proto) ||
- die "Failed to open main socket : $!";
-setsockopt(MAIN, SOL_SOCKET, SO_REUSEADDR, pack("l", 1));
-$baddr = $config{"bind"} ? inet_aton($config{"bind"}) : INADDR_ANY;
-for($i=0; $i<5; $i++) {
- last if (bind(MAIN, sockaddr_in($config{port}, $baddr)));
- sleep(1);
- }
-die "Failed to bind port $config{port} : $!" if ($i == 5);
-listen(MAIN, SOMAXCONN);
-
-if ($config{'listen'}) {
- # Open the socket that allows other miniserv servers to find this one
- $proto = getprotobyname('udp');
- if (socket(LISTEN, PF_INET, SOCK_DGRAM, $proto)) {
- setsockopt(LISTEN, SOL_SOCKET, SO_REUSEADDR, pack("l", 1));
- bind(LISTEN, sockaddr_in($config{'listen'}, INADDR_ANY));
- listen(LISTEN, SOMAXCONN);
- }
- else {
- print STDERR "Failed to open listening socket : $!\n";
- $config{'listen'} = 0;
- }
- }
-
-
-# Split from the controlling terminal
-if (fork()) { exit; }
-setsid();
-
-# write out the PID file
-open(PIDFILE, "> $config{'pidfile'}");
-printf PIDFILE "%d\n", getpid();
-close(PIDFILE);
-
-# Start the log-clearing process, if needed. This checks every minute
-# to see if the log has passed its reset time, and if so clears it
-if ($config{'logclear'}) {
- if (!($logclearer = fork())) {
- while(1) {
- local $write_logtime = 0;
- local @st = stat("$config{'logfile'}.time");
- if (@st) {
- if ($st[9]+$config{'logtime'}*60*60 < time()){
- # need to clear log
- $write_logtime = 1;
- unlink($config{'logfile'});
- }
- }
- else { $write_logtime = 1; }
- if ($write_logtime) {
- open(LOGTIME, ">$config{'logfile'}.time");
- print LOGTIME time(),"\n";
- close(LOGTIME);
- }
- sleep(5*60);
- }
- exit;
- }
- push(@childpids, $logclearer);
- }
-
-# Setup the logout time dbm if needed
-if ($config{'session'}) {
- eval "use SDBM_File";
- dbmopen(%sessiondb, $config{'sessiondb'}, 0700);
- eval { $sessiondb{'1111111111'} = 'foo bar' };
- if ($@) {
- dbmclose(%sessiondb);
- eval "use NDBM_File";
- dbmopen(%sessiondb, $config{'sessiondb'}, 0700);
- }
- }
-
-# Run the main loop
-$SIG{'HUP'} = 'miniserv::trigger_restart';
-$SIG{'TERM'} = 'miniserv::term_handler';
-$SIG{'PIPE'} = 'IGNORE';
-@deny = &to_ipaddress(split(/\s+/, $config{"deny"}));
-@allow = &to_ipaddress(split(/\s+/, $config{"allow"}));
-$p = 0;
-while(1) {
- # wait for a new connection, or a message from a child process
- undef($rmask);
- vec($rmask, fileno(MAIN), 1) = 1;
- if ($config{'passdelay'} || $config{'session'}) {
- for($i=0; $i<@passin; $i++) {
- vec($rmask, fileno($passin[$i]), 1) = 1;
- }
- }
- vec($rmask, fileno(LISTEN), 1) = 1 if ($config{'listen'});
-
- local $sel = select($rmask, undef, undef, 10);
- if ($need_restart) { &restart_miniserv(); }
- local $time_now = time();
-
- # Clean up finished processes
- local($pid);
- do { $pid = waitpid(-1, WNOHANG);
- @childpids = grep { $_ != $pid } @childpids;
- } while($pid > 0);
-
- # run the unblocking procedure to check if enough time has passed to
- # unblock hosts that heve been blocked because of password failures
- if ($config{'blockhost_failures'}) {
- $i = 0;
- while ($i <= $#deny) {
- if ($blockhosttime{$deny[$i]} && $config{'blockhost_time'} != 0 &&
- ($time_now - $blockhosttime{$deny[$i]}) >= $config{'blockhost_time'}) {
- # the host can be unblocked now
- $hostfail{$deny[$i]} = 0;
- splice(@deny, $i, 1);
- }
- $i++;
- }
- }
-
- if ($config{'session'}) {
- # Remove sessions with more than 7 days of inactivity
- foreach $s (keys %sessiondb) {
- local ($user, $ltime) = split(/\s+/, $sessiondb{$s});
- if ($time_now - $ltime > 7*24*60*60) {
- delete($sessiondb{$s});
- }
- }
- }
- next if ($sel <= 0);
- if (vec($rmask, fileno(MAIN), 1)) {
- # got new connection
- $acptaddr = accept(SOCK, MAIN);
- if (!$acptaddr) { next; }
-
- # create pipes
- if ($config{'passdelay'} || $config{'session'}) {
- $PASSINr = "PASSINr$p"; $PASSINw = "PASSINw$p";
- $PASSOUTr = "PASSOUTr$p"; $PASSOUTw = "PASSOUTw$p";
- $p++;
- pipe($PASSINr, $PASSINw);
- pipe($PASSOUTr, $PASSOUTw);
- select($PASSINw); $| = 1; select($PASSINr); $| = 1;
- select($PASSOUTw); $| = 1; select($PASSOUTw); $| = 1;
- }
- select(STDOUT);
-
- # Check username of connecting user
- local ($peerp, $peera) = unpack_sockaddr_in($acptaddr);
- $localauth_user = undef;
- if ($config{'localauth'} && inet_ntoa($peera) eq "127.0.0.1") {
- if (open(TCP, "/proc/net/tcp")) {
- # Get the info direct from the kernel
- while(<TCP>) {
- s/^\s+//;
- local @t = split(/[\s:]+/, $_);
- if ($t[1] eq '0100007F' &&
- $t[2] eq sprintf("%4.4X", $peerp)) {
- $localauth_user = getpwuid($t[11]);
- last;
- }
- }
- close(TCP);
- }
- else {
- # Call lsof for the info
- local $lsofpid = open(LSOF,
- "$config{'localauth'} -i TCP\@127.0.0.1:$peerp |");
- while(<LSOF>) {
- if (/^(\S+)\s+(\d+)\s+(\S+)/ &&
- $2 != $$ && $2 != $lsofpid) {
- $localauth_user = $3;
- }
- }
- close(LSOF);
- }
- }
-
- # fork the subprocess
- if (!($handpid = fork())) {
- # setup signal handlers
- $SIG{'TERM'} = 'DEFAULT';
- $SIG{'PIPE'} = 'DEFAULT';
- #$SIG{'CHLD'} = 'IGNORE';
- $SIG{'HUP'} = 'IGNORE';
-
- # Initialize SSL for this connection
- if ($use_ssl) {
- $ssl_con = Net::SSLeay::new($ssl_ctx);
- Net::SSLeay::set_fd($ssl_con, fileno(SOCK));
- #Net::SSLeay::use_RSAPrivateKey_file(
- # $ssl_con, $config{'keyfile'},
- # &Net::SSLeay::FILETYPE_PEM);
- #Net::SSLeay::use_certificate_file(
- # $ssl_con, $config{'keyfile'},
- # &Net::SSLeay::FILETYPE_PEM);
- Net::SSLeay::accept($ssl_con) || exit;
- }
-
- # close useless pipes
- if ($config{'passdelay'} || $config{'session'}) {
- foreach $p (@passin) { close($p); }
- foreach $p (@passout) { close($p); }
- close($PASSINr); close($PASSOUTw);
- }
- close(MAIN);
-
- # Work out the hostname for this web server
- if (!$config{'host'}) {
- ($myport, $myaddr) =
- unpack_sockaddr_in(getsockname(SOCK));
- $myname = gethostbyaddr($myaddr, AF_INET);
- if ($myname eq "") {
- $myname = inet_ntoa($myaddr);
- }
- $host = $myname;
- }
- else { $host = $config{'host'}; }
- $port = $config{'port'};
-
- local $switched = 0;
- if ($config{'remoteuser'} && $localauth_user && !$<) {
- # Switch to the UID of the remote user
- local @u = getpwnam($localauth_user);
- if (@u) {
- $( = $u[3]; $) = "$u[3] $u[3]";
- $< = $> = $u[2];
- $switched = 1;
- }
- }
- if ($config{'switchuser'} && !$< && !$switched) {
- # Switch to the UID of server user
- local @u = getpwnam($config{'switchuser'});
- if (@u) {
- $( = $u[3]; $) = "$u[3] $u[3]";
- $< = $> = $u[2];
- }
- }
-
- while(&handle_request($acptaddr, getsockname(SOCK))) { }
- shutdown(SOCK, 1);
- close(SOCK);
- close($PASSINw); close($PASSOUTw);
- exit;
- }
- push(@childpids, $handpid);
- if ($config{'passdelay'} || $config{'session'}) {
- close($PASSINw); close($PASSOUTr);
- push(@passin, $PASSINr); push(@passout, $PASSOUTw);
- }
- close(SOCK);
- }
-
- if ($config{'listen'} && vec($rmask, fileno(LISTEN), 1)) {
- # Got UDP packet from another miniserv server
- local $rcvbuf;
- local $from = recv(LISTEN, $rcvbuf, 1024, 0);
- next if (!$from);
- local $fromip = inet_ntoa((unpack_sockaddr_in($from))[1]);
- local $toip = inet_ntoa((unpack_sockaddr_in(
- getsockname(LISTEN)))[1]);
- if ((!@deny || !&ip_match($fromip, $toip, @deny)) &&
- (!@allow || &ip_match($fromip, $toip, @allow))) {
- send(LISTEN, "$config{'host'}:$config{'port'}:".
- "$use_ssl", 0, $from);
- }
- }
-
- # check for password-timeout messages from subprocesses
- for($i=0; $i<@passin; $i++) {
- if (vec($rmask, fileno($passin[$i]), 1)) {
- # this sub-process is asking about a password
- $infd = $passin[$i]; $outfd = $passout[$i];
- $inline = <$infd>;
- if ($inline =~ /^delay\s+(\S+)\s+(\S+)\s+(\d+)/) {
- # Got a delay request from a subprocess.. for
- # valid logins, there is no delay (to prevent
- # denial of service attacks), but for invalid
- # logins the delay increases with each failed
- # attempt.
- if ($3) {
- # login OK.. no delay
- print $outfd "0 0\n";
- $hostfail{$2} = 0;
- }
- else {
- # login failed..
- $hostfail{$2}++;
- # add the host to the block list if necessary
- if ($config{'blockhost_failures'} &&
- $hostfail{$2} >= $config{'blockhost_failures'}) {
- push(@deny, $2);
- $blockhosttime{$2} = $time_now;
- $blocked = 1;
- if ($use_syslog) {
- local $logtext = "Security alert: Host $2 ".
- "blocked after $config{'blockhost_failures'} ".
- "failed logins for user $1";
- syslog("crit", $logtext);
- }
- }
- else {
- $blocked = 0;
- }
- $dl = $userdlay{$1} -
- int(($time_now - $userlast{$1})/50);
- $dl = $dl < 0 ? 0 : $dl+1;
- print $outfd "$dl $blocked\n";
- $userdlay{$1} = $dl;
- }
- $userlast{$1} = $time_now;
- }
- elsif ($inline =~ /^verify\s+(\S+)/) {
- # Verifying a session ID
- local $session_id = $1;
- if (!defined($sessiondb{$session_id})) {
- print $outfd "0 0\n";
- }
- else {
- local ($user, $ltime) = split(/\s+/, $sessiondb{$session_id});
- if ($config{'logouttime'} &&
- $time_now - $ltime > $config{'logouttime'}*60) {
- print $outfd "1 ",$time_now - $ltime,"\n";
- delete($sessiondb{$session_id});
- }
- else {
- print $outfd "2 $user\n";
- $sessiondb{$session_id} = "$user $time_now";
- }
- }
- }
- elsif ($inline =~ /^new\s+(\S+)\s+(\S+)/) {
- # Creating a new session
- $sessiondb{$1} = "$2 $time_now";
- }
- elsif ($inline =~ /^delete\s+(\S+)/) {
- # Logging out a session
- print $outfd $sessiondb{$1} ? 1 : 0,"\n";
- delete($sessiondb{$1});
- }
- else {
- # close pipe
- close($infd); close($outfd);
- $passin[$i] = $passout[$i] = undef;
- }
- }
- }
- @passin = grep { defined($_) } @passin;
- @passout = grep { defined($_) } @passout;
- }
-
-# handle_request(remoteaddress, localaddress)
-# Where the real work is done
-sub handle_request
-{
-$acptip = inet_ntoa((unpack_sockaddr_in($_[0]))[1]);
-$localip = $_[1] ? inet_ntoa((unpack_sockaddr_in($_[1]))[1]) : undef;
-if ($config{'loghost'}) {
- $acpthost = gethostbyaddr(inet_aton($acptip), AF_INET);
- $acpthost = $acptip if (!$acpthost);
- }
-else {
- $acpthost = $acptip;
- }
-$datestr = &http_date(time());
-$ok_code = 200;
-$ok_message = "Document follows";
-
-# Wait at most 60 secs for start of headers (but only for the first time)
-if (!$checked_timeout) {
- local $rmask;
- vec($rmask, fileno(SOCK), 1) = 1;
- local $sel = select($rmask, undef, undef, 60);
- $sel || &http_error(400, "Timeout");
- $checked_timeout++;
- }
-
-# Read the HTTP request and headers
-($reqline = &read_line()) =~ s/\r|\n//g;
-if (!($reqline =~ /^(GET|POST|HEAD)\s+(.*)\s+HTTP\/1\..$/)) {
- &http_error(400, "Bad Request");
- }
-$method = $1; $request_uri = $page = $2;
-%header = ();
-local $lastheader;
-while(1) {
- ($headline = &read_line()) =~ s/\r|\n//g;
- last if ($headline eq "");
- if ($headline =~ /^(\S+):\s+(.*)$/) {
- $header{$lastheader = lc($1)} = $2;
- }
- elsif ($headline =~ /^\s+(.*)$/) {
- $header{$lastheader} .= $headline;
- }
- else {
- &http_error(400, "Bad Header $headline");
- }
- }
-if (defined($header{'host'})) {
- if ($header{'host'} =~ /^([^:]+):([0-9]+)$/) { $host = $1; $port = $2; }
- else { $host = $header{'host'}; }
- }
-undef(%in);
-if ($page =~ /^([^\?]+)\?(.*)$/) {
- # There is some query string information
- $page = $1;
- $querystring = $2;
- if ($querystring !~ /=/) {
- $queryargs = $querystring;
- $queryargs =~ s/\+/ /g;
- $queryargs =~ s/%(..)/pack("c",hex($1))/ge;
- $querystring = "";
- }
- else {
- # Parse query-string parameters
- local @in = split(/\&/, $querystring);
- foreach $i (@in) {
- local ($k, $v) = split(/=/, $i, 2);
- $k =~ s/\+/ /g; $k =~ s/%(..)/pack("c",hex($1))/ge;
- $v =~ s/\+/ /g; $v =~ s/%(..)/pack("c",hex($1))/ge;
- $in{$k} = $v;
- }
- }
- }
-$posted_data = undef;
-if ($method eq 'POST' &&
- $header{'content-type'} eq 'application/x-www-form-urlencoded') {
- # Read in posted query string information
- $clen = $header{"content-length"};
- while(length($posted_data) < $clen) {
- $buf = &read_data($clen - length($posted_data));
- if (!length($buf)) {
- &http_error(500, "Failed to read POST request");
- }
- $posted_data .= $buf;
- }
- local @in = split(/\&/, $posted_data);
- foreach $i (@in) {
- local ($k, $v) = split(/=/, $i, 2);
- $k =~ s/\+/ /g; $k =~ s/%(..)/pack("c",hex($1))/ge;
- $v =~ s/\+/ /g; $v =~ s/%(..)/pack("c",hex($1))/ge;
- $in{$k} = $v;
- }
- }
-
-# replace %XX sequences in page
-$page =~ s/%(..)/pack("c",hex($1))/ge;
-
-# check address against access list
-if (@deny && &ip_match($acptip, $localip, @deny) ||
- @allow && !&ip_match($acptip, $localip, @allow)) {
- &http_error(403, "Access denied for $acptip");
- return 0;
- }
-
-if ($use_libwrap) {
- # Check address with TCP-wrappers
- if (!hosts_ctl("miniserv", STRING_UNKNOWN, $acptip, STRING_UNKNOWN)) {
- &http_error(403, "Access denied for $acptip");
- return 0;
- }
- }
-
-# check for the logout flag file, and if existant deny authentication
-if ($config{'logout'} && -r $config{'logout'}.$in{'miniserv_logout_id'}) {
- $deny_authentication++;
- open(LOGOUT, $config{'logout'}.$in{'miniserv_logout_id'});
- chop($count = <LOGOUT>);
- close(LOGOUT);
- $count--;
- if ($count > 0) {
- open(LOGOUT, ">$config{'logout'}$in{'miniserv_logout_id'}");
- print LOGOUT "$count\n";
- close(LOGOUT);
- }
- else {
- unlink($config{'logout'}.$in{'miniserv_logout_id'});
- }
- }
-
-# Check for password if needed
-if (%users) {
- $validated = 0;
- $blocked = 0;
-
- # Session authentication is never used for connections by
- # another miniserv server
- if ($header{'user-agent'} =~ /miniserv/i) {
- $config{'session'} = 0;
- }
-
- # check for SSL authentication
- if ($use_ssl && $verified_client) {
- $peername = Net::SSLeay::X509_NAME_oneline(
- Net::SSLeay::X509_get_subject_name(
- Net::SSLeay::get_peer_certificate(
- $ssl_con)));
- foreach $u (keys %certs) {
- if ($certs{$u} eq $peername) {
- $authuser = $u;
- $validated = 2;
- last;
- }
- }
- }
-
- # Check for normal HTTP authentication
- if (!$validated && !$deny_authentication && !$config{'session'} &&
- $header{authorization} =~ /^basic\s+(\S+)$/i) {
- # authorization given..
- ($authuser, $authpass) = split(/:/, &b64decode($1));
- $validated = &validate_user($authuser, $authpass);
-
- if ($config{'passdelay'} && !$config{'inetd'}) {
- # check with main process for delay
- print $PASSINw "delay $authuser $acptip $validated\n";
- <$PASSOUTr> =~ /(\d+) (\d+)/;
- $blocked = $2;
- sleep($1);
- }
- }
-
- # Check for new session validation
- if ($config{'session'} && !$deny_authentication && $page eq $config{'session_login'}) {
- local $ok = &validate_user($in{'user'}, $in{'pass'});
-
- # check if the test cookie is set
- if ($header{'cookie'} !~ /testing=1/ && $in{'user'}) {
- &http_error(500, "No cookies",
- "Your browser does not support cookies, ".
- "which are required for Webmin to work in ".
- "session authentication mode");
- }
-
- # check with main process for delay
- if ($config{'passdelay'} && $in{'user'}) {
- print $PASSINw "delay $in{'user'} $acptip $ok\n";
- <$PASSOUTr> =~ /(\d+) (\d+)/;
- $blocked = $2;
- sleep($1);
- }
-
- if ($ok) {
- # Logged in OK! Tell the main process about the new SID
- local $sid = time();
- local $mul = 1;
- foreach $c (split(//, crypt($in{'pass'}, substr($$, -2)))) {
- $sid += ord($c) * $mul;
- $mul *= 3;
- }
- print $PASSINw "new $sid $in{'user'}\n";
-
- # Set cookie and redirect
- &write_data("HTTP/1.0 302 Moved Temporarily\r\n");
- &write_data("Date: $datestr\r\n");
- &write_data("Server: $config{'server'}\r\n");
- $portstr = $port == 80 && !$use_ssl ? "" :
- $port == 443 && $use_ssl ? "" : ":$port";
- $prot = $use_ssl ? "https" : "http";
- if ($in{'save'}) {
- &write_data("Set-Cookie: sid=$sid; path=/; expires=\"Fri, 1-Jan-2038 00:00:01\"\r\n");
- }
- else {
- &write_data("Set-Cookie: sid=$sid; path=/\r\n");
- }
- &write_data("Location: $prot://$host$portstr$in{'page'}\r\n");
- &write_keep_alive(0);
- &write_data("\r\n");
- &log_request($acpthost, $authuser, $reqline, 302, 0);
- return 0;
- }
- elsif ($in{'logout'} && $header{'cookie'} =~ /sid=(\d+)/) {
- # Logout clicked .. remove the session
- print $PASSINw "delete $1\n";
- local $dummy = <$PASSINr>;
- $logout = 1;
- $already_session_id = undef;
- }
- else {
- # Login failed .. display the form again
- $failed_user = $in{'user'};
- $request_uri = $in{'page'};
- $already_session_id = undef;
- }
- }
-
- # Check for an existing session
- if ($config{'session'} && !$validated) {
- if ($already_session_id) {
- $session_id = $already_session_id;
- $authuser = $already_authuser;
- $validated = 1;
- }
- elsif (!$deny_authentication && $header{'cookie'} =~ /sid=(\d+)/) {
- $session_id = $1;
- print $PASSINw "verify $session_id\n";
- <$PASSOUTr> =~ /(\d+)\s+(\S+)/;
- if ($1 == 2) {
- # Valid session continuation
- $validated = 1;
- $authuser = $2;
- $already_session_id = $session_id;
- $already_authuser = $authuser;
- }
- elsif ($1 == 1) {
- # Session timed out
- $timed_out = $2;
- }
- else {
- # Invalid session ID .. don't set verified
- }
- }
- }
-
- # Check for local authentication
- if ($localauth_user) {
- if (defined($users{$localauth_user})) {
- $validated = 1;
- $authuser = $localauth_user;
- }
- else {
- $localauth_user = undef;
- }
- }
-
- if (!$validated) {
- if ($blocked == 0) {
- # No password given.. ask
- if ($config{'session'}) {
- # Force CGI for session login
- $validated = 1;
- if ($logout) {
- $querystring .= "&logout=1&page=/";
- }
- else {
- $querystring = "page=".&urlize($request_uri);
- }
- $querystring .= "&failed=$failed_user" if ($failed_user);
- $querystring .= "&timed_out=$timed_out" if ($timed_out);
- $queryargs = "";
- $page = $config{'session_login'};
- }
- else {
- # Ask for login with HTTP authentication
- &write_data("HTTP/1.0 401 Unauthorized\r\n");
- &write_data("Date: $datestr\r\n");
- &write_data("Server: $config{'server'}\r\n");
- &write_data("WWW-authenticate: Basic ".
- "realm=\"$config{'realm'}\"\r\n");
- &write_keep_alive(0);
- &write_data("Content-type: text/html\r\n");
- &write_data("\r\n");
- &reset_byte_count();
- &write_data("<html>\n");
- &write_data("<head><title>Unauthorized</title></head>\n");
- &write_data("<body><h1>Unauthorized</h1>\n");
- &write_data("A password is required to access this\n");
- &write_data("web server. Please try again. <p>\n");
- &write_data("</body></html>\n");
- &log_request($acpthost, undef, $reqline, 401, &byte_count());
- return 0;
- }
- }
- else {
- # when the host has been blocked, give it an error message
- &http_error(403, "Access denied for $acptip. The host has been blocked "
- ."because of too many authentication failures.");
- }
- }
-
- # Check per-user IP access control
- if ($deny{$authuser} && &ip_match($acptip, $localip, @{$deny{$authuser}}) ||
- $allow{$authuser} && !&ip_match($acptip, $localip, @{$allow{$authuser}})) {
- &http_error(403, "Access denied for $acptip");
- return 0;
- }
- }
-
-# Figure out what kind of page was requested
-rerun:
-$simple = &simplify_path($page, $bogus);
-$simple =~ s/[\000-\037]//g;
-if ($bogus) {
- &http_error(400, "Invalid path");
- }
-undef($full);
-if ($config{'preroot'}) {
- # Look in the template root directory first
- $is_directory = 1;
- $sofar = "";
- $full = $config{"preroot"} . $sofar;
- $scriptname = $simple;
- foreach $b (split(/\//, $simple)) {
- if ($b ne "") { $sofar .= "/$b"; }
- $full = $config{"preroot"} . $sofar;
- @st = stat($full);
- if (!@st) { undef($full); last; }
-
- # Check if this is a directory
- if (-d $full) {
- # It is.. go on parsing
- $is_directory = 1;
- next;
- }
- else { $is_directory = 0; }
-
- # Check if this is a CGI program
- if (&get_type($full) eq "internal/cgi") {
- $pathinfo = substr($simple, length($sofar));
- $pathinfo .= "/" if ($page =~ /\/$/);
- $scriptname = $sofar;
- last;
- }
- }
- if ($full) {
- if ($sofar eq '') {
- $cgi_pwd = $config{'root'};
- }
- else {
- "$config{'root'}$sofar" =~ /^(.*\/)[^\/]+$/;
- $cgi_pwd = $1;
- }
- if ($is_directory) {
- # Check for index files in the directory
- foreach $idx (split(/\s+/, $config{"index_docs"})) {
- $idxfull = "$full/$idx";
- if (-r $idxfull && !(-d $idxfull)) {
- $full = $idxfull;
- $is_directory = 0;
- $scriptname .= "/"
- if ($scriptname ne "/");
- last;
- }
- }
- }
- }
- }
-if (!$full || $is_directory) {
- $sofar = "";
- $full = $config{"root"} . $sofar;
- $scriptname = $simple;
- foreach $b (split(/\//, $simple)) {
- if ($b ne "") { $sofar .= "/$b"; }
- $full = $config{"root"} . $sofar;
- @st = stat($full);
- if (!@st) { &http_error(404, "File not found"); }
-
- # Check if this is a directory
- if (-d $full) {
- # It is.. go on parsing
- next;
- }
-
- # Check if this is a CGI program
- if (&get_type($full) eq "internal/cgi") {
- $pathinfo = substr($simple, length($sofar));
- $pathinfo .= "/" if ($page =~ /\/$/);
- $scriptname = $sofar;
- last;
- }
- }
- $full =~ /^(.*\/)[^\/]+$/; $cgi_pwd = $1;
- }
-
-# check filename against denyfile regexp
-local $denyfile = $config{'denyfile'};
-if ($denyfile && $full =~ /$denyfile/) {
- &http_error(403, "Access denied to $page");
- return 0;
- }
-
-# Reached the end of the path OK.. see what we've got
-if (-d $full) {
- # See if the URL ends with a / as it should
- if ($page !~ /\/$/) {
- # It doesn't.. redirect
- &write_data("HTTP/1.0 302 Moved Temporarily\r\n");
- $portstr = $port == 80 && !$use_ssl ? "" :
- $port == 443 && $use_ssl ? "" : ":$port";
- &write_data("Date: $datestr\r\n");
- &write_data("Server: $config{server}\r\n");
- $prot = $use_ssl ? "https" : "http";
- &write_data("Location: $prot://$host$portstr$page/\r\n");
- &write_keep_alive(0);
- &write_data("\r\n");
- &log_request($acpthost, $authuser, $reqline, 302, 0);
- return 0;
- }
- # A directory.. check for index files
- foreach $idx (split(/\s+/, $config{"index_docs"})) {
- $idxfull = "$full/$idx";
- if (-r $idxfull && !(-d $idxfull)) {
- $cgi_pwd = $full;
- $full = $idxfull;
- $scriptname .= "/" if ($scriptname ne "/");
- last;
- }
- }
- }
-if (-d $full) {
- # This is definately a directory.. list it
- &write_data("HTTP/1.0 $ok_code $ok_message\r\n");
- &write_data("Date: $datestr\r\n");
- &write_data("Server: $config{server}\r\n");
- &write_data("Content-type: text/html\r\n");
- &write_keep_alive(0);
- &write_data("\r\n");
- &reset_byte_count();
- &write_data("<h1>Index of $simple</h1>\n");
- &write_data("<pre>\n");
- &write_data(sprintf "%-35.35s %-20.20s %-10.10s\n",
- "Name", "Last Modified", "Size");
- &write_data("<hr>\n");
- opendir(DIR, $full);
- while($df = readdir(DIR)) {
- if ($df =~ /^\./) { next; }
- (@stbuf = stat("$full/$df")) || next;
- if (-d "$full/$df") { $df .= "/"; }
- @tm = localtime($stbuf[9]);
- $fdate = sprintf "%2.2d/%2.2d/%4.4d %2.2d:%2.2d:%2.2d",
- $tm[3],$tm[4]+1,$tm[5]+1900,
- $tm[0],$tm[1],$tm[2];
- $len = length($df); $rest = " "x(35-$len);
- &write_data(sprintf
- "<a href=\"%s\">%-${len}.${len}s</a>$rest %-20.20s %-10.10s\n",
- $df, $df, $fdate, $stbuf[7]);
- }
- closedir(DIR);
- &log_request($acpthost, $authuser, $reqline, $ok_code, &byte_count());
- return 0;
- }
-
-# CGI or normal file
-local $rv;
-if (&get_type($full) eq "internal/cgi") {
- # A CGI program to execute
- $envtz = $ENV{"TZ"};
- $envuser = $ENV{"USER"};
- $envpath = $ENV{"PATH"};
- foreach (keys %ENV) { delete($ENV{$_}); }
- $ENV{"PATH"} = $envpath if ($envpath);
- $ENV{"TZ"} = $envtz if ($envtz);
- $ENV{"USER"} = $envuser if ($envuser);
- $ENV{"HOME"} = $user_homedir;
- $ENV{"SERVER_SOFTWARE"} = $config{"server"};
- $ENV{"SERVER_NAME"} = $host;
- $ENV{"SERVER_ADMIN"} = $config{"email"};
- $ENV{"SERVER_ROOT"} = $config{"root"};
- $ENV{"SERVER_PORT"} = $port;
- $ENV{"REMOTE_HOST"} = $acpthost;
- $ENV{"REMOTE_ADDR"} = $acptip;
- $ENV{"REMOTE_USER"} = $authuser if (defined($authuser));
- $ENV{"SSL_USER"} = $peername if ($validated == 2);
- $ENV{"DOCUMENT_ROOT"} = $config{"root"};
- $ENV{"GATEWAY_INTERFACE"} = "CGI/1.1";
- $ENV{"SERVER_PROTOCOL"} = "HTTP/1.0";
- $ENV{"REQUEST_METHOD"} = $method;
- $ENV{"SCRIPT_NAME"} = $scriptname;
- $ENV{"REQUEST_URI"} = $request_uri;
- $ENV{"PATH_INFO"} = $pathinfo;
- $ENV{"PATH_TRANSLATED"} = "$config{root}/$pathinfo";
- $ENV{"QUERY_STRING"} = $querystring;
- $ENV{"MINISERV_CONFIG"} = $conf;
- $ENV{"HTTPS"} = "ON" if ($use_ssl);
- $ENV{"SESSION_ID"} = $session_id if ($session_id);
- $ENV{"LOCAL_USER"} = $localauth_user if ($localauth_user);
- if (defined($header{"content-length"})) {
- $ENV{"CONTENT_LENGTH"} = $header{"content-length"};
- }
- if (defined($header{"content-type"})) {
- $ENV{"CONTENT_TYPE"} = $header{"content-type"};
- }
- foreach $h (keys %header) {
- ($hname = $h) =~ tr/a-z/A-Z/;
- $hname =~ s/\-/_/g;
- $ENV{"HTTP_$hname"} = $header{$h};
- }
- $ENV{"PWD"} = $cgi_pwd;
- foreach $k (keys %config) {
- if ($k =~ /^env_(\S+)$/) {
- $ENV{$1} = $config{$k};
- }
- }
- delete($ENV{'HTTP_AUTHORIZATION'});
- $ENV{'HTTP_COOKIE'} =~ s/;?\s*sid=(\d+)//;
-
- # Check if the CGI can be handled internally
- open(CGI, $full);
- local $first = <CGI>;
- close(CGI);
- $first =~ s/[#!\r\n]//g;
- $nph_script = ($full =~ /\/nph-([^\/]+)$/);
- if (!$config{'forkcgis'} && $first eq $perl_path && $] >= 5.004) {
- # setup environment for eval
- chdir($ENV{"PWD"});
- @ARGV = split(/\s+/, $queryargs);
- $0 = $full;
- if ($posted_data) {
- # Already read the post input
- $postinput = $posted_data;
- }
- elsif ($method eq "POST") {
- $clen = $header{"content-length"};
- while(length($postinput) < $clen) {
- $buf = &read_data($clen - length($postinput));
- if (!length($buf)) {
- &http_error(500, "Failed to read ".
- "POST request");
- }
- $postinput .= $buf;
- }
- }
- $SIG{'CHLD'} = 'DEFAULT';
- eval {
- # Have SOCK closed if the perl exec's something
- use Fcntl;
- fcntl(SOCK, F_SETFD, FD_CLOEXEC);
- };
- shutdown(SOCK, 0);
-
- if ($config{'log'}) {
- open(MINISERVLOG, ">>$config{'logfile'}");
- chmod(0600, $config{'logfile'});
- }
- $doing_eval = 1;
- eval {
- package main;
- tie(*STDOUT, 'miniserv');
- tie(*STDIN, 'miniserv');
- do $miniserv::full;
- die $@ if ($@);
- };
- $doing_eval = 0;
- if ($@) {
- # Error in perl!
- &http_error(500, "Perl execution failed", $@);
- }
- elsif (!$doneheaders && !$nph_script) {
- &http_error(500, "Missing Headers");
- }
- #close(SOCK);
- $rv = 0;
- }
- else {
- # fork the process that actually executes the CGI
- pipe(CGIINr, CGIINw);
- pipe(CGIOUTr, CGIOUTw);
- pipe(CGIERRr, CGIERRw);
- if (!($cgipid = fork())) {
- chdir($ENV{"PWD"});
- close(SOCK);
- open(STDIN, "<&CGIINr");
- open(STDOUT, ">&CGIOUTw");
- open(STDERR, ">&CGIERRw");
- close(CGIINw); close(CGIOUTr); close(CGIERRr);
- exec($full, split(/\s+/, $queryargs));
- print STDERR "Failed to exec $full : $!\n";
- exit;
- }
- close(CGIINr); close(CGIOUTw); close(CGIERRw);
-
- # send post data
- if ($posted_data) {
- # already read the posted data
- print CGIINw $posted_data;
- }
- elsif ($method eq "POST") {
- $got = 0; $clen = $header{"content-length"};
- while($got < $clen) {
- $buf = &read_data($clen-$got);
- if (!length($buf)) {
- kill('TERM', $cgipid);
- &http_error(500, "Failed to read ".
- "POST request");
- }
- $got += length($buf);
- print CGIINw $buf;
- }
- }
- close(CGIINw);
- shutdown(SOCK, 0);
-
- if (!$nph_script) {
- # read back cgi headers
- select(CGIOUTr); $|=1; select(STDOUT);
- $got_blank = 0;
- while(1) {
- $line = <CGIOUTr>;
- $line =~ s/\r|\n//g;
- if ($line eq "") {
- if ($got_blank || %cgiheader) { last; }
- $got_blank++;
- next;
- }
- ($line =~ /^(\S+):\s+(.*)$/) ||
- &http_error(500, "Bad Header",
- &read_errors(CGIERRr));
- $cgiheader{lc($1)} = $2;
- }
- if ($cgiheader{"location"}) {
- &write_data("HTTP/1.0 302 Moved Temporarily\r\n");
- &write_data("Date: $datestr\r\n");
- &write_data("Server: $config{'server'}\r\n");
- &write_keep_alive(0);
- # ignore the rest of the output. This is a hack, but
- # is necessary for IE in some cases :(
- close(CGIOUTr); close(CGIERRr);
- }
- elsif ($cgiheader{"content-type"} eq "") {
- &http_error(500, "Missing Content-Type Header",
- &read_errors(CGIERRr));
- }
- else {
- &write_data("HTTP/1.0 $ok_code $ok_message\r\n");
- &write_data("Date: $datestr\r\n");
- &write_data("Server: $config{'server'}\r\n");
- &write_keep_alive(0);
- }
- foreach $h (keys %cgiheader) {
- &write_data("$h: $cgiheader{$h}\r\n");
- }
- &write_data("\r\n");
- }
- &reset_byte_count();
- while($line = <CGIOUTr>) {
- &write_data($line);
- }
- close(CGIOUTr); close(CGIERRr);
- $rv = 0;
- }
- }
-else {
- # A file to output
- local @st = stat($full);
- open(FILE, $full) || &http_error(404, "Failed to open file");
- &write_data("HTTP/1.0 $ok_code $ok_message\r\n");
- &write_data("Date: $datestr\r\n");
- &write_data("Server: $config{server}\r\n");
- &write_data("Content-type: ".&get_type($full)."\r\n");
- &write_data("Content-length: $st[7]\r\n");
- &write_data("Last-Modified: ".&http_date($st[9])."\r\n");
- &write_keep_alive();
- &write_data("\r\n");
- &reset_byte_count();
- while(read(FILE, $buf, 1024) > 0) {
- &write_data($buf);
- }
- close(FILE);
- $rv = &check_keep_alive();
- }
-
-# log the request
-&log_request($acpthost, $authuser, $reqline,
- $cgiheader{"location"} ? "302" : $ok_code, &byte_count());
-return $rv;
-}
-
-# http_error(code, message, body, [dontexit])
-sub http_error
-{
-close(CGIOUT);
-local $eh = $error_handler_recurse ? undef :
- $config{"error_handler_$_[0]"} ? $config{"error_handler_$_[0]"} :
- $config{'error_handler'} ? $config{'error_handler'} : undef;
-if ($eh) {
- # Call a CGI program for the error
- $page = "/$eh";
- $querystring = "code=$_[0]&message=".&urlize($_[1]).
- "&body=".&urlize($_[2]);
- $error_handler_recurse++;
- $ok_code = $_[0];
- $ok_message = $_[1];
- goto rerun;
- }
-else {
- # Use the standard error message display
- &write_data("HTTP/1.0 $_[0] $_[1]\r\n");
- &write_data("Server: $config{server}\r\n");
- &write_data("Date: $datestr\r\n");
- &write_data("Content-type: text/html\r\n");
- &write_keep_alive(0);
- &write_data("\r\n");
- &reset_byte_count();
- &write_data("<h1>Error - $_[1]</h1>\n");
- if ($_[2]) {
- &write_data("<pre>$_[2]</pre>\n");
- }
- }
-&log_request($acpthost, $authuser, $reqline, $_[0], &byte_count())
- if ($reqline);
-shutdown(SOCK, 1);
-exit if (!$_[3]);
-}
-
-sub get_type
-{
-if ($_[0] =~ /\.([A-z0-9]+)$/) {
- $t = $mime{$1};
- if ($t ne "") {
- return $t;
- }
- }
-return "text/plain";
-}
-
-# simplify_path(path, bogus)
-# Given a path, maybe containing stuff like ".." and "." convert it to a
-# clean, absolute form.
-sub simplify_path
-{
-local($dir, @bits, @fixedbits, $b);
-$dir = $_[0];
-$dir =~ s/^\/+//g;
-$dir =~ s/\/+$//g;
-@bits = split(/\/+/, $dir);
-@fixedbits = ();
-$_[1] = 0;
-foreach $b (@bits) {
- if ($b eq ".") {
- # Do nothing..
- }
- elsif ($b eq "..") {
- # Remove last dir
- if (scalar(@fixedbits) == 0) {
- $_[1] = 1;
- return "/";
- }
- pop(@fixedbits);
- }
- else {
- # Add dir to list
- push(@fixedbits, $b);
- }
- }
-return "/" . join('/', @fixedbits);
-}
-
-# b64decode(string)
-# Converts a string from base64 format to normal
-sub b64decode
-{
- local($str) = $_[0];
- local($res);
- $str =~ tr|A-Za-z0-9+=/||cd;
- $str =~ s/=+$//;
- $str =~ tr|A-Za-z0-9+/| -_|;
- while ($str =~ /(.{1,60})/gs) {
- my $len = chr(32 + length($1)*3/4);
- $res .= unpack("u", $len . $1 );
- }
- return $res;
-}
-
-# ip_match(remoteip, localip, [match]+)
-# Checks an IP address against a list of IPs, networks and networks/masks
-sub ip_match
-{
-local(@io, @mo, @ms, $i, $j);
-@io = split(/\./, $_[0]);
-local $hn;
-if (!defined($hn = $ip_match_cache{$_[0]})) {
- $hn = gethostbyaddr(inet_aton($_[0]), AF_INET);
- $hn = "" if ((&to_ipaddress($hn))[0] ne $_[0]);
- $ip_match_cache{$_[0]} = $hn;
- }
-for($i=2; $i<@_; $i++) {
- local $mismatch = 0;
- if ($_[$i] =~ /^(\S+)\/(\S+)$/) {
- # Compare with network/mask
- @mo = split(/\./, $1); @ms = split(/\./, $2);
- for($j=0; $j<4; $j++) {
- if ((int($io[$j]) & int($ms[$j])) != int($mo[$j])) {
- $mismatch = 1;
- }
- }
- }
- elsif ($_[$i] =~ /^\*(\S+)$/) {
- # Compare with hostname regexp
- $mismatch = 1 if ($hn !~ /$1$/);
- }
- elsif ($_[$i] eq 'LOCAL') {
- # Compare with local network
- local @lo = split(/\./, $_[1]);
- if ($lo[0] < 128) {
- $mismatch = 1 if ($lo[0] != $io[0]);
- }
- elsif ($lo[0] < 192) {
- $mismatch = 1 if ($lo[0] != $io[0] ||
- $lo[1] != $io[1]);
- }
- else {
- $mismatch = 1 if ($lo[0] != $io[0] ||
- $lo[1] != $io[1] ||
- $lo[2] != $io[2]);
- }
- }
- else {
- # Compare with IP or network
- @mo = split(/\./, $_[$i]);
- while(@mo && !$mo[$#mo]) { pop(@mo); }
- for($j=0; $j<@mo; $j++) {
- if ($mo[$j] != $io[$j]) {
- $mismatch = 1;
- }
- }
- }
- return 1 if (!$mismatch);
- }
-return 0;
-}
-
-# restart_miniserv()
-# Called when a SIGHUP is received to restart the web server. This is done
-# by exec()ing perl with the same command line as was originally used
-sub restart_miniserv
-{
-close(SOCK); close(MAIN);
-foreach $p (@passin) { close($p); }
-foreach $p (@passout) { close($p); }
-if ($logclearer) { kill('TERM', $logclearer); }
-exec($perl_path, $miniserv_path, @miniserv_argv);
-die "Failed to restart miniserv with $perl_path $miniserv_path";
-}
-
-sub trigger_restart
-{
-$need_restart = 1;
-}
-
-sub to_ipaddress
-{
-local (@rv, $i);
-foreach $i (@_) {
- if ($i =~ /(\S+)\/(\S+)/ || $i =~ /^\*\S+$/ ||
- $i eq 'LOCAL') { push(@rv, $i); }
- else { push(@rv, join('.', unpack("CCCC", inet_aton($i)))); }
- }
-return @rv;
-}
-
-# read_line()
-# Reads one line from SOCK or SSL
-sub read_line
-{
-local($idx, $more, $rv);
-if ($use_ssl) {
- while(($idx = index($read_buffer, "\n")) < 0) {
- # need to read more..
- if (!($more = Net::SSLeay::read($ssl_con))) {
- # end of the data
- $rv = $read_buffer;
- undef($read_buffer);
- return $rv;
- }
- $read_buffer .= $more;
- }
- $rv = substr($read_buffer, 0, $idx+1);
- $read_buffer = substr($read_buffer, $idx+1);
- return $rv;
- }
-else { return <SOCK>; }
-}
-
-# read_data(length)
-# Reads up to some amount of data from SOCK or the SSL connection
-sub read_data
-{
-if ($use_ssl) {
- local($rv);
- if (length($read_buffer)) {
- $rv = $read_buffer;
- undef($read_buffer);
- return $rv;
- }
- else {
- return Net::SSLeay::read($ssl_con, $_[0]);
- }
- }
-else {
- local $buf;
- read(SOCK, $buf, $_[0]) || return undef;
- return $buf;
- }
-}
-
-# write_data(data)
-# Writes a string to SOCK or the SSL connection
-sub write_data
-{
-if ($use_ssl) {
- Net::SSLeay::write($ssl_con, $_[0]);
- }
-else {
- syswrite(SOCK, $_[0], length($_[0]));
- }
-$write_data_count += length($_[0]);
-}
-
-# reset_byte_count()
-sub reset_byte_count { $write_data_count = 0; }
-
-# byte_count()
-sub byte_count { return $write_data_count; }
-
-# log_request(hostname, user, request, code, bytes)
-sub log_request
-{
-if ($config{'log'}) {
- local(@tm, $dstr, $user, $ident, $headers);
- if ($config{'logident'}) {
- # add support for rfc1413 identity checking here
- }
- else { $ident = "-"; }
- @tm = localtime(time());
- $dstr = sprintf "%2.2d/%s/%4.4d:%2.2d:%2.2d:%2.2d %s",
- $tm[3], $make_date_marr[$tm[4]], $tm[5]+1900,
- $tm[2], $tm[1], $tm[0], $timezone;
- $user = $_[1] ? $_[1] : "-";
- if (fileno(MINISERVLOG)) {
- seek(MINISERVLOG, 0, 2);
- }
- else {
- open(MINISERVLOG, ">>$config{'logfile'}");
- chmod(0600, $config{'logfile'});
- }
- foreach $h (split(/\s+/, $config{'logheaders'})) {
- $headers .= " $h=\"$header{$h}\"";
- }
- print MINISERVLOG "$_[0] $ident $user [$dstr] \"$_[2]\" ",
- "$_[3] $_[4]$headers\n";
- close(MINISERVLOG);
- }
-}
-
-# read_errors(handle)
-# Read and return all input from some filehandle
-sub read_errors
-{
-local($fh, $_, $rv);
-$fh = $_[0];
-while(<$fh>) { $rv .= $_; }
-return $rv;
-}
-
-sub write_keep_alive
-{
-local $mode;
-if (@_) { $mode = $_[0]; }
-else { $mode = &check_keep_alive(); }
-&write_data("Connection: ".($mode ? "Keep-Alive" : "close")."\r\n");
-}
-
-sub check_keep_alive
-{
-return $header{'connection'} =~ /keep-alive/i;
-}
-
-sub term_handler
-{
-if (@childpids) {
- kill('TERM', @childpids);
- }
-exit(1);
-}
-
-sub http_date
-{
-local @tm = gmtime($_[0]);
-return sprintf "%s, %d %s %d %2.2d:%2.2d:%2.2d GMT",
- $weekday[$tm[6]], $tm[3], $month[$tm[4]], $tm[5]+1900,
- $tm[2], $tm[1], $tm[0];
-}
-
-sub TIEHANDLE
-{
-my $i; bless \$i, shift;
-}
-
-sub WRITE
-{
-$r = shift;
-my($buf,$len,$offset) = @_;
-&write_to_sock(substr($buf, $offset, $len));
-}
-
-sub PRINT
-{
-$r = shift;
-$$r++;
-&write_to_sock(@_);
-}
-
-sub PRINTF
-{
-shift;
-my $fmt = shift;
-&write_to_sock(sprintf $fmt, @_);
-}
-
-sub READ
-{
-$r = shift;
-substr($_[0], $_[2], $_[1]) = substr($postinput, $postpos, $_[1]);
-$postpos += $_[1];
-}
-
-sub OPEN
-{
-print STDERR "open() called - should never happen!\n";
-}
-
-sub READLINE
-{
-if ($postpos >= length($postinput)) {
- return undef;
- }
-local $idx = index($postinput, "\n", $postpos);
-if ($idx < 0) {
- local $rv = substr($postinput, $postpos);
- $postpos = length($postinput);
- return $rv;
- }
-else {
- local $rv = substr($postinput, $postpos, $idx-$postpos+1);
- $postpos = $idx+1;
- return $rv;
- }
-}
-
-sub GETC
-{
-return $postpos >= length($postinput) ? undef
- : substr($postinput, $postpos++, 1);
-}
-
-sub CLOSE { }
-
-sub DESTROY { }
-
-# write_to_sock(data, ...)
-sub write_to_sock
-{
-foreach $d (@_) {
- if ($doneheaders || $miniserv::nph_script) {
- &write_data($d);
- }
- else {
- $headers .= $d;
- while(!$doneheaders && $headers =~ s/^(.*)(\r)?\n//) {
- if ($1 =~ /^(\S+):\s+(.*)$/) {
- $cgiheader{lc($1)} = $2;
- }
- elsif ($1 !~ /\S/) {
- $doneheaders++;
- }
- else {
- &http_error(500, "Bad Header");
- }
- }
- if ($doneheaders) {
- if ($cgiheader{"location"}) {
- &write_data(
- "HTTP/1.0 302 Moved Temporarily\r\n");
- &write_data("Date: $datestr\r\n");
- &write_data("Server: $config{server}\r\n");
- &write_keep_alive(0);
- }
- elsif ($cgiheader{"content-type"} eq "") {
- &http_error(500, "Missing Content-Type Header");
- }
- else {
- &write_data("HTTP/1.0 $ok_code $ok_message\r\n");
- &write_data("Date: $datestr\r\n");
- &write_data("Server: $config{server}\r\n");
- &write_keep_alive(0);
- }
- foreach $h (keys %cgiheader) {
- &write_data("$h: $cgiheader{$h}\r\n");
- }
- &write_data("\r\n");
- &reset_byte_count();
- &write_data($headers);
- }
- }
- }
-}
-
-sub verify_client
-{
-local $cert = Net::SSLeay::X509_STORE_CTX_get_current_cert($_[1]);
-if ($cert) {
- local $errnum = Net::SSLeay::X509_STORE_CTX_get_error($_[1]);
- $verified_client = 1 if (!$errnum);
- }
-return 1;
-}
-
-sub END
-{
-if ($doing_eval) {
- # A CGI program called exit! This is a horrible hack to
- # finish up before really exiting
- close(SOCK);
- &log_request($acpthost, $authuser, $reqline,
- $cgiheader{"location"} ? "302" : $ok_code, &byte_count());
- }
-}
-
-# urlize
-# Convert a string to a form ok for putting in a URL
-sub urlize {
- local($tmp, $tmp2, $c);
- $tmp = $_[0];
- $tmp2 = "";
- while(($c = chop($tmp)) ne "") {
- if ($c !~ /[A-z0-9]/) {
- $c = sprintf("%%%2.2X", ord($c));
- }
- $tmp2 = $c . $tmp2;
- }
- return $tmp2;
-}
-
-# validate_user(username, password)
-sub validate_user
-{
-return 0 if (!$_[0] || !$users{$_[0]});
-if ($users{$_[0]} eq 'x' && $use_pam) {
- $pam_username = $_[0];
- $pam_password = $_[1];
- local $pamh = new Authen::PAM("miniserv", $pam_username, \&pam_conv_func);
- if (!ref($pamh)) {
- print STDERR "PAM init failed : $pamh\n";
- return 0;
- }
- local $pam_ret = $pamh->pam_authenticate();
- return $pam_ret == PAM_SUCCESS ? 1 : 0;
- }
-else {
- return $users{$_[0]} eq crypt($_[1], $users{$_[0]}) ? 1 : 0;
- }
-}
-
-# the PAM conversation function for interactive logins
-sub pam_conv_func
-{
-my @res;
-while ( @_ ) {
- my $code = shift;
- my $msg = shift;
- my $ans = "";
-
- $ans = $pam_username if ($code == PAM_PROMPT_ECHO_ON() );
- $ans = $pam_password if ($code == PAM_PROMPT_ECHO_OFF() );
-
- push @res, PAM_SUCCESS();
- push @res, $ans;
- }
-push @res, PAM_SUCCESS();
-return @res;
-}
-
generated by cgit v1.2.1 (git 2.21.0) at 2024-11-21 16:11:31 +0000