#include "apr_lib.h"
#include "apr_strings.h"
#include "apr_general.h"
#include "apr_file_io.h"
#include "apr_portable.h"
#include "apr_buckets.h"
#include "apr_optional.h"
#include "apr_signal.h"
#include "apr_want.h"
#include "util_filter.h"
#include "httpd.h"
#include "http_config.h"
#include "http_request.h"
#include "http_core.h"
#include "http_protocol.h"
#include "http_main.h"
#include "http_log.h"
#include "ap_mpm.h"
#include "mpm_common.h"
#include "mod_suexec.h"
#include "../filters/mod_include.h"
#include "mod_core.h"
#include <sys/stat.h>
#include <sys/un.h>
#include "cgi_common.h"

Classes
struct	cgid_dirconf

struct	cgid_server_conf

struct	cgid_req_t

struct	cleanup_script_info

Macros
#define	APR_WANT_STRFUNC

#define	DAEMON_STARTUP_ERROR 254

#define	DEFAULT_LOGBYTES 10385760

#define	DEFAULT_BUFBYTES 1024

#define	DEFAULT_SOCKET "cgisock"

#define	CGI_REQ 1

#define	SSI_REQ 2

#define	GETPID_REQ 3 /* get the pid of script created for prior request */

#define	ERRFN_USERDATA_KEY "CGIDCHILDERRFN"

#define	DEFAULT_CGID_LISTENBACKLOG 100

#define	DEFAULT_CONNECT_ATTEMPTS 15

#define	DEFAULT_CONNECT_STARTUP_DELAY 60

#define	cgi_server_conf cgid_server_conf

#define	cgi_module cgid_module

Functions
static int	cgid_start (apr_pool_t p, server_rec main_server, apr_proc_t *procnew)

static int	cgid_init (apr_pool_t p, apr_pool_t plog, apr_pool_t ptemp, server_rec main_server)

static void	discard_script_output (apr_bucket_brigade *bb)

static ap_unix_identity_t *	cgid_suexec_id_doer (const request_rec *r)

static int	is_scriptaliased (request_rec *r)

static char **	create_argv (apr_pool_t p, char path, char user, char group, char av0, const char args)

static apr_status_t	close_unix_socket (void *thefd)

static apr_status_t	sock_readhdr (int fd, int errfd, void vbuf, size_t buf_size)

static apr_status_t	sock_read (int fd, void *vbuf, size_t buf_size)

static apr_status_t	sock_write (int fd, const void *buf, size_t buf_size)

static apr_status_t	sock_writev (int fd, int auxfd, request_rec *r, int count,...)

static apr_status_t	get_req (int fd, request_rec r, char argv0, char *env, int errfd, cgid_req_t *req)

static apr_status_t	send_req (int fd, apr_file_t errpipe, request_rec r, const char argv0, char *env, int req_type)

static void	daemon_signal_handler (int sig)

static void	cgid_child_errfn (apr_pool_t pool, apr_status_t err, const char description)

static int	cgid_server (void *data)

static int	cgid_pre_config (apr_pool_t pconf, apr_pool_t plog, apr_pool_t *ptemp)

static void *	create_cgid_config (apr_pool_t p, server_rec s)

static void *	merge_cgid_config (apr_pool_t p, void basev, void *overridesv)

static void *	create_cgid_dirconf (apr_pool_t p, char dummy)

static const char *	set_scriptlog (cmd_parms cmd, void dummy, const char *arg)

static const char *	set_scriptlog_length (cmd_parms cmd, void dummy, const char *arg)

static const char *	set_scriptlog_buffer (cmd_parms cmd, void dummy, const char *arg)

static const char *	set_script_socket (cmd_parms cmd, void dummy, const char *arg)

static const char *	set_script_timeout (cmd_parms cmd, void dummy, const char *arg)

static int	log_script (request_rec r, cgid_server_conf conf, int ret, char dbuf, const char sbuf, apr_bucket_brigade bb, apr_file_t script_err)

static int	connect_to_daemon (int sdptr, request_rec r, cgid_server_conf *conf)

static apr_status_t	dead_yet (pid_t pid, apr_interval_time_t max_wait)

static apr_status_t	cleanup_nonchild_process (request_rec *r, pid_t pid)

static apr_status_t	get_cgi_pid (request_rec r, cgid_server_conf conf, pid_t *pid)

static apr_status_t	cleanup_script (void *vptr)

static int	cgid_handler (request_rec *r)

static apr_status_t	include_cgi (include_ctx_t ctx, ap_filter_t f, apr_bucket_brigade bb, char s)

static void	add_ssi_vars (request_rec *r)

static int	include_cmd (include_ctx_t ctx, ap_filter_t f, apr_bucket_brigade bb, const char command)

static void	register_hook (apr_pool_t *p)

Variables
static apr_pool_t *	pcgi = NULL

static pid_t	daemon_pid

static int	daemon_should_exit = 0

static server_rec *	root_server = NULL

static apr_pool_t *	root_pool = NULL

static const char *	sockname

static struct sockaddr_un *	server_addr

static apr_socklen_t	server_addr_len

static pid_t	parent_pid

static ap_unix_identity_t	empty_ugid = { (uid_t)-1, (gid_t)-1, -1 }

static const command_rec	cgid_cmds []

static int *const	aplog_module_index = &( cgid_module.module_index)

Macro Definition Documentation

◆ APR_WANT_STRFUNC

#define APR_WANT_STRFUNC

Definition at line 39 of file mod_cgid.c.

◆ cgi_module

#define cgi_module cgid_module

Definition at line 218 of file mod_cgid.c.

◆ CGI_REQ

#define CGI_REQ 1

Definition at line 137 of file mod_cgid.c.

◆ cgi_server_conf

#define cgi_server_conf cgid_server_conf

Definition at line 217 of file mod_cgid.c.

◆ DAEMON_STARTUP_ERROR

#define DAEMON_STARTUP_ERROR 254

Definition at line 105 of file mod_cgid.c.

◆ DEFAULT_BUFBYTES

#define DEFAULT_BUFBYTES 1024

Definition at line 134 of file mod_cgid.c.

◆ DEFAULT_CGID_LISTENBACKLOG

#define DEFAULT_CGID_LISTENBACKLOG 100

Definition at line 151 of file mod_cgid.c.

◆ DEFAULT_CONNECT_ATTEMPTS

#define DEFAULT_CONNECT_ATTEMPTS 15

Definition at line 164 of file mod_cgid.c.

◆ DEFAULT_CONNECT_STARTUP_DELAY

#define DEFAULT_CONNECT_STARTUP_DELAY 60

Definition at line 168 of file mod_cgid.c.

◆ DEFAULT_LOGBYTES

#define DEFAULT_LOGBYTES 10385760

Definition at line 133 of file mod_cgid.c.

◆ DEFAULT_SOCKET

#define DEFAULT_SOCKET "cgisock"

Definition at line 135 of file mod_cgid.c.

◆ ERRFN_USERDATA_KEY

#define ERRFN_USERDATA_KEY "CGIDCHILDERRFN"

Definition at line 141 of file mod_cgid.c.

◆ GETPID_REQ

#define GETPID_REQ 3 /* get the pid of script created for prior request */

Definition at line 139 of file mod_cgid.c.

◆ SSI_REQ

#define SSI_REQ 2

Definition at line 138 of file mod_cgid.c.

Function Documentation

◆ add_ssi_vars()

static void add_ssi_vars ( request_rec * r )

static

Definition at line 1697 of file mod_cgid.c.

◆ cgid_child_errfn()

static void cgid_child_errfn	(	apr_pool_t *	pool,
		apr_status_t	err,
		const char *	description
	)

static

Definition at line 692 of file mod_cgid.c.

◆ cgid_handler()

static int cgid_handler ( request_rec * r )

static

< Module declines to handle

< Module has handled this stage.

Definition at line 1465 of file mod_cgid.c.

◆ cgid_init()

static int cgid_init	(	apr_pool_t *	p,
		apr_pool_t *	plog,
		apr_pool_t *	ptemp,
		server_rec *	main_server
	)

static

< Module has handled this stage.

Definition at line 1032 of file mod_cgid.c.

◆ cgid_pre_config()

static int cgid_pre_config	(	apr_pool_t *	pconf,
		apr_pool_t *	plog,
		apr_pool_t *	ptemp
	)

static

< Module has handled this stage.

Definition at line 1025 of file mod_cgid.c.

◆ cgid_server()

static int cgid_server ( void * data )

static

< Read by user

< Write by user

< Execute by user

Definition at line 717 of file mod_cgid.c.

◆ cgid_start()

static int cgid_start	(	apr_pool_t *	p,
		server_rec *	main_server,
		apr_proc_t *	procnew
	)

static

< Module declines to handle

< Module has handled this stage.

Definition at line 999 of file mod_cgid.c.

◆ cgid_suexec_id_doer()

static ap_unix_identity_t * cgid_suexec_id_doer ( const request_rec * r )

static

Definition at line 113 of file mod_cgid.c.

◆ cleanup_nonchild_process()

static apr_status_t cleanup_nonchild_process	(	request_rec *	r,
		pid_t	pid
	)

static

Definition at line 1400 of file mod_cgid.c.

◆ cleanup_script()

static apr_status_t cleanup_script ( void * vptr )

static

Definition at line 1459 of file mod_cgid.c.

◆ close_unix_socket()

static apr_status_t close_unix_socket ( void * thefd )

static

Definition at line 341 of file mod_cgid.c.

◆ connect_to_daemon()

static int connect_to_daemon	(	int *	sdptr,
		request_rec *	r,
		cgid_server_conf *	conf
	)

static

< Module has handled this stage.

Definition at line 1293 of file mod_cgid.c.

◆ create_argv()

static char ** create_argv	(	apr_pool_t *	p,
		char *	path,
		char *	user,
		char *	group,
		char *	av0,
		const char *	args
	)

static

Definition at line 234 of file mod_cgid.c.

◆ create_cgid_config()

static void * create_cgid_config	(	apr_pool_t *	p,
		server_rec *	s
	)

static

Definition at line 1082 of file mod_cgid.c.

◆ create_cgid_dirconf()

static void * create_cgid_dirconf	(	apr_pool_t *	p,
		char *	dummy
	)

static

Definition at line 1100 of file mod_cgid.c.

◆ daemon_signal_handler()

static void daemon_signal_handler ( int sig )

static

Definition at line 680 of file mod_cgid.c.

◆ dead_yet()

static apr_status_t dead_yet	(	pid_t	pid,
		apr_interval_time_t	max_wait
	)

static

Definition at line 1372 of file mod_cgid.c.

◆ discard_script_output()

static void discard_script_output ( apr_bucket_brigade * bb )

static

◆ get_cgi_pid()

static apr_status_t get_cgi_pid	(	request_rec *	r,
		cgid_server_conf *	conf,
		pid_t *	pid
	)

static

< Module has handled this stage.

Definition at line 1421 of file mod_cgid.c.

◆ get_req()

static apr_status_t get_req	(	int	fd,
		request_rec *	r,
		char **	argv0,
		char ***	env,
		int *	errfd,
		cgid_req_t *	req
	)

static

Definition at line 500 of file mod_cgid.c.

◆ include_cgi()

static apr_status_t include_cgi	(	include_ctx_t *	ctx,
		ap_filter_t *	f,
		apr_bucket_brigade *	bb,
		char *	s
	)

static

Definition at line 1640 of file mod_cgid.c.

◆ include_cmd()

static int include_cmd	(	include_ctx_t *	ctx,
		ap_filter_t *	f,
		apr_bucket_brigade *	bb,
		const char *	command
	)

static

< Module has handled this stage.

Definition at line 1723 of file mod_cgid.c.

◆ is_scriptaliased()

static int is_scriptaliased ( request_rec * r )

static

Definition at line 125 of file mod_cgid.c.

◆ log_script()

static int log_script	(	request_rec *	r,
		cgid_server_conf *	conf,
		int	ret,
		char *	dbuf,
		const char *	sbuf,
		apr_bucket_brigade *	bb,
		apr_file_t *	script_err
	)

static

< Append to the end of the file

<

Deprecated:

See also: APR_FOPEN_APPEND

< Open the file for writing

<

Deprecated:

See also: APR_FOPEN_WRITE

< Create the file if not there

<

Deprecated:

See also: APR_FOPEN_CREATE

< use OS's default permissions

<

Deprecated:

See also: APR_FPROT_OS_DEFAULT

Definition at line 1188 of file mod_cgid.c.

◆ merge_cgid_config()

static void * merge_cgid_config	(	apr_pool_t *	p,
		void *	basev,
		void *	overridesv
	)

static

Definition at line 1093 of file mod_cgid.c.

◆ register_hook()

static void register_hook ( apr_pool_t * p )

static

Definition at line 1790 of file mod_cgid.c.

◆ send_req()

static apr_status_t send_req	(	int	fd,
		apr_file_t *	errpipe,
		request_rec *	r,
		const char *	argv0,
		char **	env,
		int	req_type
	)

static

Definition at line 578 of file mod_cgid.c.

◆ set_script_socket()

static const char * set_script_socket	(	cmd_parms *	cmd,
		void *	dummy,
		const char *	arg
	)

static

< Forbidden in <VirtualHost>

< Forbidden in <Limit>

< Forbidden in <Directory>

< Forbidden in <Location>

< Forbidden in <Files> or <If>

< Forbidden in <Proxy>

Definition at line 1142 of file mod_cgid.c.

◆ set_script_timeout()

static const char * set_script_timeout	(	cmd_parms *	cmd,
		void *	dummy,
		const char *	arg
	)

static

Definition at line 1160 of file mod_cgid.c.

◆ set_scriptlog()

static const char * set_scriptlog	(	cmd_parms *	cmd,
		void *	dummy,
		const char *	arg
	)

static

Definition at line 1106 of file mod_cgid.c.

◆ set_scriptlog_buffer()

static const char * set_scriptlog_buffer	(	cmd_parms *	cmd,
		void *	dummy,
		const char *	arg
	)

static

Definition at line 1132 of file mod_cgid.c.

◆ set_scriptlog_length()

static const char * set_scriptlog_length	(	cmd_parms *	cmd,
		void *	dummy,
		const char *	arg
	)

static

Definition at line 1122 of file mod_cgid.c.

◆ sock_read()

static apr_status_t sock_read	(	int	fd,
		void *	vbuf,
		size_t	buf_size
	)

static

Definition at line 424 of file mod_cgid.c.

◆ sock_readhdr()

static apr_status_t sock_readhdr	(	int	fd,
		int *	errfd,
		void *	vbuf,
		size_t	buf_size
	)

static

Definition at line 352 of file mod_cgid.c.

◆ sock_write()

static apr_status_t sock_write	(	int	fd,
		const void *	buf,
		size_t	buf_size
	)

static

Definition at line 431 of file mod_cgid.c.

◆ sock_writev()

static apr_status_t sock_writev	(	int	fd,
		int	auxfd,
		request_rec *	r,
		int	count,
			...
	)

static

Definition at line 445 of file mod_cgid.c.

Variable Documentation

◆ aplog_module_index

int* const aplog_module_index = &( cgid_module.module_index)

static

Definition at line 1800 of file mod_cgid.c.

◆ cgid_cmds

const command_rec cgid_cmds[]

static

Initial value:

=
{
    
{  "ScriptLog" ,  set_scriptlog ,  NULL ,   128   , TAKE1,  "the name of a log for script debugging info"  },
    
{  "ScriptLogLength" ,  set_scriptlog_length ,  NULL ,   128   , TAKE1,  "the maximum length (in bytes) of the script debug log"  },
    
{  "ScriptLogBuffer" ,  set_scriptlog_buffer ,  NULL ,   128   , TAKE1,  "the maximum size (in bytes) to record of a POST request"  },
    
{  "ScriptSock" ,  set_script_socket ,  NULL ,   128   , TAKE1,  "the name of the socket to use for communication with "                   "the cgi daemon."  },
    
{  "CGIDScriptTimeout" ,  set_script_timeout ,  NULL ,   128   |  64   , TAKE1,  "The amount of time to wait between successful reads from "                   "the CGI script, in seconds."  },
                  
    {NULL}
}

Definition at line 1170 of file mod_cgid.c.

◆ daemon_pid

pid_t daemon_pid

static

Definition at line 84 of file mod_cgid.c.

◆ daemon_should_exit

int daemon_should_exit = 0

static

Definition at line 85 of file mod_cgid.c.

◆ empty_ugid

ap_unix_identity_t empty_ugid = { (uid_t)-1, (gid_t)-1, -1 }

static

Definition at line 92 of file mod_cgid.c.

◆ parent_pid

pid_t parent_pid

static

Definition at line 91 of file mod_cgid.c.

◆ pcgi

apr_pool_t* pcgi = NULL

static

Definition at line 83 of file mod_cgid.c.

◆ root_pool

apr_pool_t* root_pool = NULL

static

Definition at line 87 of file mod_cgid.c.

◆ root_server

server_rec* root_server = NULL

static

Definition at line 86 of file mod_cgid.c.

◆ server_addr

struct sockaddr_un* server_addr

static

Definition at line 89 of file mod_cgid.c.

◆ server_addr_len

apr_socklen_t server_addr_len

static

Definition at line 90 of file mod_cgid.c.

◆ sockname

const char* sockname

static

Definition at line 88 of file mod_cgid.c.

Classes

Macros

Functions

Variables

Macro Definition Documentation

◆ APR_WANT_STRFUNC

◆ cgi_module

◆ CGI_REQ

◆ cgi_server_conf

◆ DAEMON_STARTUP_ERROR

◆ DEFAULT_BUFBYTES

◆ DEFAULT_CGID_LISTENBACKLOG

◆ DEFAULT_CONNECT_ATTEMPTS

◆ DEFAULT_CONNECT_STARTUP_DELAY

◆ DEFAULT_LOGBYTES

◆ DEFAULT_SOCKET

◆ ERRFN_USERDATA_KEY

◆ GETPID_REQ

◆ SSI_REQ

Function Documentation

◆ add_ssi_vars()

◆ cgid_child_errfn()

◆ cgid_handler()

◆ cgid_init()

◆ cgid_pre_config()

◆ cgid_server()

◆ cgid_start()

◆ cgid_suexec_id_doer()

◆ cleanup_nonchild_process()

◆ cleanup_script()

◆ close_unix_socket()

◆ connect_to_daemon()

◆ create_argv()

◆ create_cgid_config()

◆ create_cgid_dirconf()

◆ daemon_signal_handler()

◆ dead_yet()

◆ discard_script_output()

◆ get_cgi_pid()

◆ get_req()

◆ include_cgi()

◆ include_cmd()

◆ is_scriptaliased()

◆ log_script()

◆ merge_cgid_config()

◆ register_hook()

◆ send_req()

◆ set_script_socket()

◆ set_script_timeout()

◆ set_scriptlog()

◆ set_scriptlog_buffer()

◆ set_scriptlog_length()

◆ sock_read()

◆ sock_readhdr()

◆ sock_write()

◆ sock_writev()

Variable Documentation

◆ aplog_module_index

◆ cgid_cmds

◆ daemon_pid

◆ daemon_should_exit

◆ empty_ugid

◆ parent_pid

◆ pcgi

◆ root_pool

◆ root_server

◆ server_addr

◆ server_addr_len

◆ sockname