Nginx支持CGI
一、安装perl库 perl-FCGI、perl-FCGI-ProcManager、perl-IO-ALL(如下文件均可以去http://search.cpan.org下载)
#wget http://www.cpan.org/modules/by-module/FCGI/FCGI-0.67.tar.gz
#tar zxvf FCGI-0.67.tar.gz
#cd FCGI-0.67
#perl Makefile.PL
#make && make install
#wget http://search.cpan.org/CPAN/authors/id/G/GB/GBJK/FCGI-ProcManager-0.18.tar.gz
#tar zxvf FCGI-ProcManager-0.18.tar.gz
#cd FCGI-ProcManager-0.18
#perl Makefile.PL
#make && make install
#wget http://search.cpan.org/CPAN/authors/id/I/IN/INGY/IO-All-0.39.tar.gz
#tar zxvf IO-All-0.39.tar.gz
#cd IO-All-0.39
#perl Makefile.PL
#make && make install
二、生成perl守护进程
#vi nginx-cgi.pl,然后加入如下内容
- #!/usr/bin/perl
- use FCGI;
- use Socket;
- use FCGI::ProcManager;
- sub shutdown { FCGI::CloseSocket($socket); exit; }
- sub restart { FCGI::CloseSocket($socket); &main; }
- use sigtrap ‘handler’, \&shutdown, ‘normal-signals’;
- use sigtrap ‘handler’, \&restart, ‘HUP’;
- require ‘syscall.ph’;
- use POSIX qw(setsid);
- END() { }
- BEGIN() { }
- {
- no warnings;
- *CORE::GLOBAL::exit = sub { die "fakeexit\nrc=" . shift() . "\n"; };
- };
- eval q{exit};
- if ($@) {
- exit unless $@ =~ /^fakeexit/;
- }
- &main;
- sub daemonize() {
- chdir ‘/’ or die "Can’t chdir to /: $!";
- defined( my $pid = fork ) or die "Can’t fork: $!";
- exit if $pid;
- setsid() or die "Can’t start a new session: $!";
- umask 0;
- }
- sub main {
- $proc_manager = FCGI::ProcManager->new( {n_processes => 5} );
- $socket = FCGI::OpenSocket( "127.0.0.1:8999", 10 )
- ; #use UNIX sockets – user running this script must have w access to the ‘nginx’ folder!!
- $request =
- FCGI::Request( \*STDIN, \*STDOUT, \*STDERR, \%req_params, $socket,
- &FCGI::FAIL_ACCEPT_ON_INTR );
- $proc_manager->pm_manage();
- if ($request) { request_loop() }
- FCGI::CloseSocket($socket);
- }
- sub request_loop {
- while ( $request->Accept() >= 0 ) {
- $proc_manager->pm_pre_dispatch();
- #processing any STDIN input from WebServer (for CGI-POST actions)
- $stdin_passthrough = ”;
- { no warnings; $req_len = 0 + $req_params{‘CONTENT_LENGTH’}; };
- if ( ( $req_params{‘REQUEST_METHOD’} eq ‘POST’ ) && ( $req_len != 0 ) ) {
- my $bytes_read = 0;
- while ( $bytes_read < $req_len ) {
- my $data = ”;
- my $bytes = read( STDIN, $data, ( $req_len – $bytes_read ) );
- last if ( $bytes == 0 || !defined($bytes) );
- $stdin_passthrough .= $data;
- $bytes_read += $bytes;
- }
- }
- #running the cgi app
- if (
- ( -x $req_params{SCRIPT_FILENAME} ) && #can I execute this?
- ( -s $req_params{SCRIPT_FILENAME} ) && #Is this file empty?
- ( -r $req_params{SCRIPT_FILENAME} ) #can I read this file?
- ) {
- pipe( CHILD_RD, PARENT_WR );
- pipe( PARENT_ERR, CHILD_ERR );
- my $pid = open( CHILD_O, "-|" );
- unless ( defined($pid) ) {
- print("Content-type: text/plain\r\n\r\n");
- print "Error: CGI app returned no output – Executing $req_params{SCRIPT_FILENAME} failed !\n";
- next;
- }
- $oldfh = select(PARENT_ERR);
- $| = 1;
- select(CHILD_O);
- $| = 1;
- select($oldfh);
- if ( $pid > 0 ) {
- close(CHILD_RD);
- close(CHILD_ERR);
- print PARENT_WR $stdin_passthrough;
- close(PARENT_WR);
- $rin = $rout = $ein = $eout = ”;
- vec( $rin, fileno(CHILD_O), 1 ) = 1;
- vec( $rin, fileno(PARENT_ERR), 1 ) = 1;
- $ein = $rin;
- $nfound = 0;
- while ( $nfound = select( $rout = $rin, undef, $ein = $eout, 10 ) ) {
- die "$!" unless $nfound != -1;
- $r1 = vec( $rout, fileno(PARENT_ERR), 1 ) == 1;
- $r2 = vec( $rout, fileno(CHILD_O), 1 ) == 1;
- $e1 = vec( $eout, fileno(PARENT_ERR), 1 ) == 1;
- $e2 = vec( $eout, fileno(CHILD_O), 1 ) == 1;
- if ($r1) {
- while ( $bytes = read( PARENT_ERR, $errbytes, 4096 ) ) {
- print STDERR $errbytes;
- }
- if ($!) {
- $err = $!;
- die $!;
- vec( $rin, fileno(PARENT_ERR), 1 ) = 0
- unless ( $err == EINTR or $err == EAGAIN );
- }
- }
- if ($r2) {
- while ( $bytes = read( CHILD_O, $s, 4096 ) ) {
- print $s;
- }
- if ( !defined($bytes) ) {
- $err = $!;
- die $!;
- vec( $rin, fileno(CHILD_O), 1 ) = 0
- unless ( $err == EINTR or $err == EAGAIN );
- }
- }
- last if ( $e1 || $e2 );
- }
- close CHILD_RD;
- close PARENT_ERR;
- waitpid( $pid, 0 );
- } else {
- foreach $key ( keys %req_params ) {
- $ENV{$key} = $req_params{$key};
- }
- # cd to the script’s local directory
- if ( $req_params{SCRIPT_FILENAME} =~ /^(.*)\/[^\/] +$/ ) {
- chdir $1;
- }
- close(PARENT_WR);
- #close(PARENT_ERR);
- close(STDIN);
- close(STDERR);
- #fcntl(CHILD_RD, F_DUPFD, 0);
- syscall( &SYS_dup2, fileno(CHILD_RD), 0 );
- syscall( &SYS_dup2, fileno(CHILD_ERR), 2 );
- #open(STDIN, "<&CHILD_RD");
- exec( $req_params{SCRIPT_FILENAME} );
- die("exec failed");
- }
- } else {
- print("Content-type: text/plain\r\n\r\n");
- print "Error: No such CGI app – $req_params{SCRIPT_FILENAME} may not exist or is not executable by this process.\n";
- }
- }
- }
#chmod 777 nginx-cgi.pl
#/usr/local/nginx/sbin/nginx-cgi.pl >/dev/null & //启动FCGI
#echo "/usr/local/nginx/sbin/nginx-cgi.pl >/dev/null &" >>/etc/rc.local
注:FCGI监听地址为127.0.0.1:8999,如想改变可以在nginx-cgi.pl内修改
三、配置Nginx
Nginx配置如下
- server {
- listen 80;
- index index.php index.cgi;
- server_name blog.luwenju.com;
- root /usr/local/nginx/html;
- location ~ \.php$ {
- fastcgi_pass unix:/usr/local/nginx/php-cgi.sock;
- fastcgi_index index.php;
- fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
- include fastcgi_params;
- }
- location ~ \.cgi$ {
- root /usr/local/nginx/html;
- fastcgi_pass 127.0.0.1:8999;
- fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
- include fastcgi_params;
- }
- }
四、测试
#vi /usr/local/nginx/html/test.cgi
1. #!/usr/bin/perl
2. print "Content-type: text/html\n\n";
3. print "<html><body>Hello, world.</body></html>";
然后打开浏览器访问http://localhost/test.cgi,如果出现内容为Hello,world.则说明配置成功.
转载于:https://blog.51cto.com/cclinux/815133
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