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apreq.h(3)

include/apreq.h(3) libapreq2 include/apreq.h(3)

NAME

include/apreq.h - Main header file...

SYNOPSIS

#include 'apr_tables.h'
#include <stddef.h>

Data Structures


struct apreq_value_t
libapreq's pre-extensible string type

Macros


#define APREQ_DECLARE(d) APR_DECLARE(d)
#define APREQ_DECLARE_NONSTD(d) APR_DECLARE_NONSTD(d)
#define APREQ_DECLARE_DATA
#define APREQ_DEFAULT_READ_BLOCK_SIZE (64 * 1024)
#define APREQ_DEFAULT_READ_LIMIT (64 * 1024 * 1024)
#define APREQ_DEFAULT_BRIGADE_LIMIT (256 * 1024)
#define APREQ_DEFAULT_NELTS 8
#define APREQ_FLAGS_OFF(f, name) ((f) &= ~(name##_MASK << name##_BIT))
#define APREQ_FLAGS_ON(f, name) ((f) |= (name##_MASK << name##_BIT))
#define APREQ_FLAGS_GET(f, name) (((f) >> name##_BIT) & name##_MASK)
#define APREQ_FLAGS_SET(f, name, value)
#define APREQ_CHARSET_BIT 0
#define APREQ_CHARSET_MASK 255
#define APREQ_TAINTED_BIT 8
#define APREQ_TAINTED_MASK 1
#define APREQ_COOKIE_VERSION_BIT 11
#define APREQ_COOKIE_VERSION_MASK 3
#define APREQ_COOKIE_SECURE_BIT 13
#define APREQ_COOKIE_SECURE_MASK 1
#define APREQ_COOKIE_HTTPONLY_BIT 14
#define APREQ_COOKIE_HTTPONLY_MASK 1
#define apreq_attr_to_type(T, A, P) ( (T*) ((char*)(P)-offsetof(T,A)) )

Typedefs


typedef struct apreq_value_t apreq_value_t
libapreq's pre-extensible string type

Enumerations


enum apreq_charset_t { APREQ_CHARSET_ASCII =0, APREQ_CHARSET_LATIN1 =1, APREQ_CHARSET_CP1252 =2, APREQ_CHARSET_UTF8 =8 }
enum apreq_join_t { APREQ_JOIN_AS_IS, APREQ_JOIN_ENCODE, APREQ_JOIN_DECODE, APREQ_JOIN_QUOTE }
enum apreq_match_t { APREQ_MATCH_FULL, APREQ_MATCH_PARTIAL }
enum apreq_expires_t { APREQ_EXPIRES_HTTP, APREQ_EXPIRES_NSCOOKIE }

Functions


static APR_INLINE void apreq_value_table_add (const apreq_value_t *v, apr_table_t *t)
apr_status_t apreq_initialize (apr_pool_t *pool)
apr_status_t apreq_pre_initialize (apr_pool_t *pool)
apr_status_t apreq_post_initialize (apr_pool_t *pool)

Detailed Description

Main header file...

Define the generic APREQ_ macros and common data structures.

Macro Definition Documentation

#define apreq_attr_to_type(T, A, P) ( (T*) ((char*)(P)-offsetof(T,A)) )

Parameters

T type
A attribute
P XXX

#define APREQ_CHARSET_BIT 0

Charset Bit

See also

APREQ_FLAGS_OFF

APREQ_FLAGS_ON

APREQ_FLAGS_GET

APREQ_FLAGS_SET

#define APREQ_CHARSET_MASK 255

Charset Mask

See also

APREQ_FLAGS_OFF

APREQ_FLAGS_ON

APREQ_FLAGS_GET

APREQ_FLAGS_SET

#define APREQ_COOKIE_HTTPONLY_BIT 14

Cookie's HttpOnly Bit

See also

APREQ_FLAGS_OFF

APREQ_FLAGS_ON

APREQ_FLAGS_GET

APREQ_FLAGS_SET

#define APREQ_COOKIE_HTTPONLY_MASK 1

Cookie's HttpOnly Mask

See also

APREQ_FLAGS_OFF

APREQ_FLAGS_ON

APREQ_FLAGS_GET

APREQ_FLAGS_SET

#define APREQ_COOKIE_SECURE_BIT 13

Cookie's Secure Bit

See also

APREQ_FLAGS_OFF

APREQ_FLAGS_ON

APREQ_FLAGS_GET

APREQ_FLAGS_SET

#define APREQ_COOKIE_SECURE_MASK 1

Cookie's Secure Mask

See also

APREQ_FLAGS_OFF

APREQ_FLAGS_ON

APREQ_FLAGS_GET

APREQ_FLAGS_SET

#define APREQ_COOKIE_VERSION_BIT 11

Cookier Version Bit

See also

APREQ_FLAGS_OFF

APREQ_FLAGS_ON

APREQ_FLAGS_GET

APREQ_FLAGS_SET

#define APREQ_COOKIE_VERSION_MASK 3

Cookie Version Mask

See also

APREQ_FLAGS_OFF

APREQ_FLAGS_ON

APREQ_FLAGS_GET

APREQ_FLAGS_SET

#define APREQ_DECLARE(d) APR_DECLARE(d)

The public APREQ functions are declared with APREQ_DECLARE(), so they may use the most appropriate calling convention. Public APR functions with variable arguments must use APR_DECLARE_NONSTD().

Remarks

Both the declaration and implementations must use the same macro. APREQ_DECLARE(rettype) apeq_func(args)

Examples
/home/jorton/src/asf/apreq-v2.16/include/apreq.h.

#define APREQ_DECLARE_DATA

The public APREQ variables are declared with APREQ_DECLARE_DATA. This assures the appropriate indirection is invoked at compile time.

See also

APREQ_DECLARE

APREQ_DECLARE_NONSTD

Remarks

Note that the declaration and implementations use different forms, but both must include the macro. extern APREQ_DECLARE_DATA type apr_variable;
APREQ_DECLARE_DATA type apr_variable = value;

#define APREQ_DECLARE_NONSTD(d) APR_DECLARE_NONSTD(d)

APEQ_DECLARE_NONSTD(rettype) apr_func(args, ...);

#define APREQ_DEFAULT_BRIGADE_LIMIT (256 * 1024)

Maximum number of bytes mod_apreq2 will let accumulate within the heap-buckets in a brigade. Excess data will be spooled to an appended file bucket

See also

ap_set_brigade_read_limit

#define APREQ_DEFAULT_NELTS 8

Number of elements in the initial apr_table

See also

apr_table_make

#define APREQ_DEFAULT_READ_BLOCK_SIZE (64 * 1024)

Read chucks of data in 64k blocks from the request

#define APREQ_DEFAULT_READ_LIMIT (64 * 1024 * 1024)

Maximum number of bytes mod_apreq2 will send off to libapreq2 for parsing. mod_apreq2 will log this event and subsequently remove itself from the filter chain.

See also

ap_set_read_limit

#define APREQ_FLAGS_GET(f, name) (((f) >> name##_BIT) & name##_MASK)

Get specified bit f in bitfield name

#define APREQ_FLAGS_OFF(f, name) ((f) &= ~(name##_MASK << name##_BIT))

Check to see if specified bit f is off in bitfield name

#define APREQ_FLAGS_ON(f, name) ((f) |= (name##_MASK << name##_BIT))

Check to see if specified bit f is on in bitfield name

#define APREQ_FLAGS_SET(f, name, value)

Value:



    ((f) = (((f) & ~(name##_MASK << name##_BIT))                    | ((name##_MASK & (value)) << name##_BIT)))
Set specified bit f in bitfield name to value Note the below BIT/Mask defines are used sans the _BIT, _MASK because of the this define's ##_MASK, ##_BIT usage. Each come in a pair

#define APREQ_TAINTED_BIT 8

Tainted Bit

See also

APREQ_FLAGS_OFF

APREQ_FLAGS_ON

APREQ_FLAGS_GET

APREQ_FLAGS_SET

#define APREQ_TAINTED_MASK 1

Tainted Mask

See also

APREQ_FLAGS_OFF

APREQ_FLAGS_ON

APREQ_FLAGS_GET

APREQ_FLAGS_SET

Enumeration Type Documentation

enum apreq_charset_t

Character encodings.

Examples
/home/jorton/src/asf/apreq-v2.16/include/apreq.h.

enum apreq_expires_t

Expiration date format

Enumerator

APREQ_EXPIRES_HTTP
Use date formatting consistent with RFC 2616
APREQ_EXPIRES_NSCOOKIE
Use format consistent with Netscape's Cookie Spec

Examples
/home/jorton/src/asf/apreq-v2.16/include/apreq.h.

enum apreq_join_t

Join type

Enumerator

APREQ_JOIN_AS_IS
Join the strings without modification
APREQ_JOIN_ENCODE
Url-encode the strings before joining them
APREQ_JOIN_DECODE
Url-decode the strings before joining them
APREQ_JOIN_QUOTE
Quote the strings, backslashing existing quote marks.

Examples
/home/jorton/src/asf/apreq-v2.16/include/apreq.h.

enum apreq_match_t

Match type

Enumerator

APREQ_MATCH_FULL
Full match only.
APREQ_MATCH_PARTIAL
Partial matches are ok.

Examples
/home/jorton/src/asf/apreq-v2.16/include/apreq.h.

Function Documentation

apr_status_t apreq_initialize (apr_pool_t * pool)

Initialize libapreq2. Applications (except apache modules using mod_apreq) should call this exactly once before they use any libapreq2 modules. If you want to modify the list of default parsers with apreq_register_parser(), please use apreq_pre_initialize() and apreq_post_initialize() instead.

Parameters

pool a base pool persisting while libapreq2 is used

Remarks

after you detroy the pool, you have to call this function again with a new pool if you still plan to use libapreq2

Examples
/home/jorton/src/asf/apreq-v2.16/include/apreq.h.

apr_status_t apreq_post_initialize (apr_pool_t * pool)

Post-initialize libapreq2. Applications (except apache modules using mod_apreq2) should this exactly once before they use any libapreq2 modules for parsing.

Parameters

pool the same pool that was used in apreq_pre_initialize().

Examples
/home/jorton/src/asf/apreq-v2.16/include/apreq.h.

apr_status_t apreq_pre_initialize (apr_pool_t * pool)

Pre-initialize libapreq2. Applications (except apache modules using mod_apreq2) should call this exactly once before they register custom parsers with libapreq2. mod_apreq2 does this automatically during the post-config phase, so modules that need call apreq_register_parser should create a post-config hook using APR_HOOK_MIDDLE.

Parameters

pool a base pool persisting while libapreq2 is used

Remarks

after you detroyed the pool, you have to call this function again with a new pool if you still plan to use libapreq2

Examples
/home/jorton/src/asf/apreq-v2.16/include/apreq.h.

static APR_INLINE void apreq_value_table_add (const apreq_value_t * v, apr_table_t * t) [static]

Adds the specified apreq_value_t to the apr_table_t.

Parameters

v value to add
t add v to this table

Returns

void

@ see apr_table_t

See also

apr_value_t

Examples
/home/jorton/src/asf/apreq-v2.16/include/apreq.h.

Author

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Wed Mar 10 2021 Version 2.16