mod_filter.c File Reference

#include "apr_want.h"
#include "apr_lib.h"
#include "apr_strings.h"
#include "apr_hash.h"
#include "httpd.h"
#include "http_config.h"
#include "http_request.h"
#include "http_log.h"
#include "util_filter.h"
#include "ap_expr.h"

Go to the source code of this file.

Classes
struct	ap_filter_provider_t
	is a filter provider, as defined and implemented by mod_filter. More...
struct	provider_ctx
struct	harness_ctx
struct	mod_filter_chain
struct	mod_filter_cfg
struct	mod_filter_ctx

Macros
#define	APR_WANT_STRFUNC

Typedefs
typedef struct provider_ctx	provider_ctx
typedef struct mod_filter_chain	mod_filter_chain

Functions
static void	filter_trace (conn_rec *c, int debug, const char *fname, apr_bucket_brigade *bb)
static int	filter_init (ap_filter_t *f)
static int	filter_lookup (ap_filter_t *f, ap_filter_rec_t *filter)
static apr_status_t	filter_harness (ap_filter_t *f, apr_bucket_brigade *bb)
static const char *	filter_protocol (cmd_parms *cmd, void *CFG, const char *fname, const char *pname, const char *proto)
static const char *	filter_declare (cmd_parms *cmd, void *CFG, const char *fname, const char *place)
static const char *	add_filter (cmd_parms *cmd, void *CFG, const char *fname, const char *pname, const char *expr, const char **types)
static const char *	filter_provider (cmd_parms *cmd, void *CFG, const char *fname, const char *pname, const char *expr)
static const char *	filter_chain (cmd_parms *cmd, void *CFG, const char *arg)
static const char *	filter_bytype1 (cmd_parms *cmd, void *CFG, const char *pname, const char **types)
static const char *	filter_bytype (cmd_parms *cmd, void *CFG, int argc, char *const argv[])
static const char *	filter_debug (cmd_parms *cmd, void *CFG, const char *fname, const char *level)
static void	filter_insert (request_rec *r)
static void	filter_hooks (apr_pool_t *pool)
static void *	filter_config (apr_pool_t *pool, char *x)
static void *	filter_merge (apr_pool_t *pool, void *BASE, void *ADD)

Variables
static const command_rec	filter_cmds []
static int *const	aplog_module_index = &( filter_module.module_index)

Macro Definition Documentation

APR_WANT_STRFUNC

#define APR_WANT_STRFUNC

Definition at line 17 of file mod_filter.c.

Typedef Documentation

mod_filter_chain

typedef struct mod_filter_chain mod_filter_chain

provider_ctx

typedef struct provider_ctx provider_ctx

we need provider_ctx to save ctx values set by providers in filter_init

Definition at line 50 of file mod_filter.c.

Function Documentation

add_filter()

static const char * add_filter ( cmd_parms *  cmd, void *  CFG, const char *  fname, const char *  pname, const char *  expr, const char **  types  )

static

Definition at line 435 of file mod_filter.c.

filter_bytype()

static const char * filter_bytype ( cmd_parms *  cmd, void *  CFG, int  argc, char *const  argv[]  )

static

Definition at line 600 of file mod_filter.c.

filter_bytype1()

static const char * filter_bytype1 ( cmd_parms *  cmd, void *  CFG, const char *  pname, const char **  types  )

static

Definition at line 573 of file mod_filter.c.

filter_chain()

static const char * filter_chain ( cmd_parms *  cmd, void *  CFG, const char *  arg  )

static

IG: Add a NULL provider to the beginning so that we can ensure that we'll empty everything before this when doing config merges later

IG: Prepend a NULL provider to the beginning as above

Definition at line 498 of file mod_filter.c.

filter_config()

static void * filter_config ( apr_pool_t *  pool, char *  x  )

static

Definition at line 682 of file mod_filter.c.

filter_debug()

static const char * filter_debug ( cmd_parms *  cmd, void *  CFG, const char *  fname, const char *  level  )

static

Definition at line 623 of file mod_filter.c.

filter_declare()

static const char * filter_declare ( cmd_parms *  cmd, void *  CFG, const char *  fname, const char *  place  )

static

Definition at line 402 of file mod_filter.c.

filter_harness()

static apr_status_t filter_harness ( ap_filter_t *  f, apr_bucket_brigade *  bb  )

static

Definition at line 274 of file mod_filter.c.

filter_hooks()

static void filter_hooks ( apr_pool_t *  pool )

static

Definition at line 677 of file mod_filter.c.

filter_init()

static int filter_init ( ap_filter_t *  f )

static

< Module has handled this stage.

< Module has handled this stage.

Definition at line 100 of file mod_filter.c.

filter_insert()

static void filter_insert ( request_rec *  r )

static

IG: Now that we've merged to the final config, go one last time through the chain, and prune out the NULL filters

Definition at line 637 of file mod_filter.c.

filter_lookup()

static int filter_lookup ( ap_filter_t *  f, ap_filter_rec_t *  filter  )

static

Definition at line 135 of file mod_filter.c.

filter_merge()

static void * filter_merge ( apr_pool_t *  pool, void *  BASE, void *  ADD  )

static

Filter out merged chain resets

Definition at line 690 of file mod_filter.c.

filter_protocol()

static const char * filter_protocol ( cmd_parms *  cmd, void *  CFG, const char *  fname, const char *  pname, const char *  proto  )

static

Definition at line 331 of file mod_filter.c.

filter_provider()

static const char * filter_provider ( cmd_parms *  cmd, void *  CFG, const char *  fname, const char *  pname, const char *  expr  )

static

Definition at line 491 of file mod_filter.c.

filter_trace()

static void filter_trace ( conn_rec *  c, int  debug, const char *  fname, apr_bucket_brigade *  bb  )

static

Definition at line 77 of file mod_filter.c.

Variable Documentation

aplog_module_index

int* const aplog_module_index = &( filter_module.module_index)

static

Definition at line 759 of file mod_filter.c.

filter_cmds

const command_rec filter_cmds[]

static

Initial value:

= {
    
{  "FilterDeclare" ,  filter_declare ,  NULL ,   2   , TAKE12,  "filter-name [filter-type]"  },
    
{  "FilterProvider" ,  filter_provider ,  NULL ,   2   , TAKE3,  "filter-name provider-name match-expression"  },
    
{  "FilterChain" ,  filter_chain ,  NULL ,   2   , ITERATE,  "list of filter names with optional [+-=!@]"  },
    
{  "FilterTrace" ,  filter_debug ,  NULL ,   128   |  64   , TAKE2,  "filter-name debug-level"  },
    
{  "AddOutputFilterByType" ,  filter_bytype ,  NULL ,   4   , TAKE_ARGV,  "output filter name followed by one or more content-types"  },
 
    
{  "FilterProtocol" ,  filter_protocol ,  NULL ,   2   , TAKE23,  "filter-name [provider-name] protocol-args"  },
 
    { NULL }
}

Definition at line 741 of file mod_filter.c.