php-src/main/SAPI.h
Ilija Tovilo cd66fcc68b
Add request_parse_body() function
RFC: https://wiki.php.net/rfc/rfc1867-non-post

This function allows populating the $_POST and $_FILES globals for non-post
requests. This avoids manual parsing of RFC1867 requests.

Fixes #55815
Closes GH-11472
2024-02-08 12:08:07 +01:00

343 lines
11 KiB
C

/*
+----------------------------------------------------------------------+
| Copyright (c) The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| https://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Zeev Suraski <zeev@php.net> |
+----------------------------------------------------------------------+
*/
#ifndef SAPI_H
#define SAPI_H
#include "php.h"
#include "zend.h"
#include "zend_API.h"
#include "zend_llist.h"
#include "zend_operators.h"
#include <sys/stat.h>
#define SAPI_OPTION_NO_CHDIR 1
#define SAPI_POST_BLOCK_SIZE 0x4000
#ifdef PHP_WIN32
# ifdef SAPI_EXPORTS
# define SAPI_API __declspec(dllexport)
# else
# define SAPI_API __declspec(dllimport)
# endif
#elif defined(__GNUC__) && __GNUC__ >= 4
# define SAPI_API __attribute__ ((visibility("default")))
#else
# define SAPI_API
#endif
#undef shutdown
typedef struct {
char *header;
size_t header_len;
} sapi_header_struct;
typedef struct {
zend_llist headers;
int http_response_code;
unsigned char send_default_content_type;
char *mimetype;
char *http_status_line;
} sapi_headers_struct;
typedef struct _sapi_post_entry sapi_post_entry;
typedef struct _sapi_module_struct sapi_module_struct;
BEGIN_EXTERN_C()
extern SAPI_API sapi_module_struct sapi_module; /* true global */
END_EXTERN_C()
/* Some values in this structure needs to be filled in before
* calling sapi_activate(). We WILL change the `char *' entries,
* so make sure that you allocate a separate buffer for them
* and that you free them after sapi_deactivate().
*/
typedef struct {
const char *request_method;
char *query_string;
char *cookie_data;
zend_long content_length;
char *path_translated;
char *request_uri;
/* Do not use request_body directly, but the php://input stream wrapper instead */
struct _php_stream *request_body;
const char *content_type;
bool headers_only;
bool no_headers;
bool headers_read;
sapi_post_entry *post_entry;
char *content_type_dup;
/* for HTTP authentication */
char *auth_user;
char *auth_password;
char *auth_digest;
/* this is necessary for the CGI SAPI module */
char *argv0;
char *current_user;
int current_user_length;
/* this is necessary for CLI module */
int argc;
char **argv;
int proto_num;
} sapi_request_info;
typedef struct {
bool throw_exceptions;
struct {
bool set;
zend_long value;
} options_cache[5];
} sapi_request_parse_body_context;
typedef enum {
REQUEST_PARSE_BODY_OPTION_max_file_uploads = 0,
REQUEST_PARSE_BODY_OPTION_max_input_vars,
REQUEST_PARSE_BODY_OPTION_max_multipart_body_parts,
REQUEST_PARSE_BODY_OPTION_post_max_size,
REQUEST_PARSE_BODY_OPTION_upload_max_filesize,
} request_parse_body_option;
#define REQUEST_PARSE_BODY_OPTION_GET(name, fallback) \
(SG(request_parse_body_context).options_cache[REQUEST_PARSE_BODY_OPTION_ ## name].set \
? SG(request_parse_body_context).options_cache[REQUEST_PARSE_BODY_OPTION_ ## name].value \
: (fallback))
typedef struct _sapi_globals_struct {
void *server_context;
sapi_request_info request_info;
sapi_headers_struct sapi_headers;
int64_t read_post_bytes;
unsigned char post_read;
unsigned char headers_sent;
zend_stat_t global_stat;
char *default_mimetype;
char *default_charset;
HashTable *rfc1867_uploaded_files;
zend_long post_max_size;
int options;
bool sapi_started;
double global_request_time;
HashTable known_post_content_types;
zval callback_func;
zend_fcall_info_cache fci_cache;
sapi_request_parse_body_context request_parse_body_context;
} sapi_globals_struct;
BEGIN_EXTERN_C()
#ifdef ZTS
# define SG(v) ZEND_TSRMG_FAST(sapi_globals_offset, sapi_globals_struct *, v)
SAPI_API extern int sapi_globals_id;
SAPI_API extern size_t sapi_globals_offset;
#else
# define SG(v) (sapi_globals.v)
extern SAPI_API sapi_globals_struct sapi_globals;
#endif
SAPI_API void sapi_startup(sapi_module_struct *sf);
SAPI_API void sapi_shutdown(void);
SAPI_API void sapi_activate(void);
SAPI_API void sapi_deactivate_module(void);
SAPI_API void sapi_deactivate_destroy(void);
SAPI_API void sapi_deactivate(void);
SAPI_API void sapi_initialize_empty_request(void);
SAPI_API void sapi_add_request_header(const char *var, unsigned int var_len, char *val, unsigned int val_len, void *arg);
END_EXTERN_C()
/*
* This is the preferred and maintained API for
* operating on HTTP headers.
*/
/*
* Always specify a sapi_header_line this way:
*
* sapi_header_line ctr = {0};
*/
typedef struct {
const char *line; /* If you allocated this, you need to free it yourself */
size_t line_len;
zend_long response_code; /* long due to zend_parse_parameters compatibility */
} sapi_header_line;
typedef enum { /* Parameter: */
SAPI_HEADER_REPLACE, /* sapi_header_line* */
SAPI_HEADER_ADD, /* sapi_header_line* */
SAPI_HEADER_DELETE, /* sapi_header_line* */
SAPI_HEADER_DELETE_ALL, /* void */
SAPI_HEADER_SET_STATUS /* int */
} sapi_header_op_enum;
BEGIN_EXTERN_C()
SAPI_API int sapi_header_op(sapi_header_op_enum op, void *arg);
/* Deprecated functions. Use sapi_header_op instead. */
SAPI_API int sapi_add_header_ex(const char *header_line, size_t header_line_len, bool duplicate, bool replace);
#define sapi_add_header(a, b, c) sapi_add_header_ex((a),(b),(c),1)
SAPI_API int sapi_send_headers(void);
SAPI_API void sapi_free_header(sapi_header_struct *sapi_header);
SAPI_API void sapi_handle_post(void *arg);
SAPI_API void sapi_read_post_data(void);
SAPI_API size_t sapi_read_post_block(char *buffer, size_t buflen);
SAPI_API int sapi_register_post_entries(const sapi_post_entry *post_entry);
SAPI_API int sapi_register_post_entry(const sapi_post_entry *post_entry);
SAPI_API void sapi_unregister_post_entry(const sapi_post_entry *post_entry);
SAPI_API int sapi_register_default_post_reader(void (*default_post_reader)(void));
SAPI_API int sapi_register_treat_data(void (*treat_data)(int arg, char *str, zval *destArray));
SAPI_API int sapi_register_input_filter(unsigned int (*input_filter)(int arg, const char *var, char **val, size_t val_len, size_t *new_val_len), unsigned int (*input_filter_init)(void));
SAPI_API int sapi_flush(void);
SAPI_API zend_stat_t *sapi_get_stat(void);
SAPI_API char *sapi_getenv(const char *name, size_t name_len);
SAPI_API char *sapi_get_default_content_type(void);
SAPI_API void sapi_get_default_content_type_header(sapi_header_struct *default_header);
SAPI_API size_t sapi_apply_default_charset(char **mimetype, size_t len);
SAPI_API void sapi_activate_headers_only(void);
SAPI_API int sapi_get_fd(int *fd);
SAPI_API int sapi_force_http_10(void);
SAPI_API int sapi_get_target_uid(uid_t *);
SAPI_API int sapi_get_target_gid(gid_t *);
SAPI_API double sapi_get_request_time(void);
SAPI_API void sapi_terminate_process(void);
END_EXTERN_C()
struct _sapi_module_struct {
char *name;
char *pretty_name;
int (*startup)(struct _sapi_module_struct *sapi_module);
int (*shutdown)(struct _sapi_module_struct *sapi_module);
int (*activate)(void);
int (*deactivate)(void);
size_t (*ub_write)(const char *str, size_t str_length);
void (*flush)(void *server_context);
zend_stat_t *(*get_stat)(void);
char *(*getenv)(const char *name, size_t name_len);
void (*sapi_error)(int type, const char *error_msg, ...) ZEND_ATTRIBUTE_FORMAT(printf, 2, 3);
int (*header_handler)(sapi_header_struct *sapi_header, sapi_header_op_enum op, sapi_headers_struct *sapi_headers);
int (*send_headers)(sapi_headers_struct *sapi_headers);
void (*send_header)(sapi_header_struct *sapi_header, void *server_context);
size_t (*read_post)(char *buffer, size_t count_bytes);
char *(*read_cookies)(void);
void (*register_server_variables)(zval *track_vars_array);
void (*log_message)(const char *message, int syslog_type_int);
zend_result (*get_request_time)(double *request_time);
void (*terminate_process)(void);
char *php_ini_path_override;
void (*default_post_reader)(void);
void (*treat_data)(int arg, char *str, zval *destArray);
char *executable_location;
int php_ini_ignore;
int php_ini_ignore_cwd; /* don't look for php.ini in the current directory */
int (*get_fd)(int *fd);
int (*force_http_10)(void);
int (*get_target_uid)(uid_t *);
int (*get_target_gid)(gid_t *);
unsigned int (*input_filter)(int arg, const char *var, char **val, size_t val_len, size_t *new_val_len);
void (*ini_defaults)(HashTable *configuration_hash);
int phpinfo_as_text;
const char *ini_entries;
const zend_function_entry *additional_functions;
unsigned int (*input_filter_init)(void);
};
struct _sapi_post_entry {
char *content_type;
uint32_t content_type_len;
void (*post_reader)(void);
void (*post_handler)(char *content_type_dup, void *arg);
};
/* header_handler() constants */
#define SAPI_HEADER_ADD (1<<0)
#define SAPI_HEADER_SENT_SUCCESSFULLY 1
#define SAPI_HEADER_DO_SEND 2
#define SAPI_HEADER_SEND_FAILED 3
#define SAPI_DEFAULT_MIMETYPE "text/html"
#define SAPI_DEFAULT_CHARSET PHP_DEFAULT_CHARSET
#define SAPI_PHP_VERSION_HEADER "X-Powered-By: PHP/" PHP_VERSION
#define SAPI_POST_READER_FUNC(post_reader) void post_reader(void)
#define SAPI_POST_HANDLER_FUNC(post_handler) void post_handler(char *content_type_dup, void *arg)
#define SAPI_TREAT_DATA_FUNC(treat_data) void treat_data(int arg, char *str, zval* destArray)
#define SAPI_INPUT_FILTER_FUNC(input_filter) unsigned int input_filter(int arg, const char *var, char **val, size_t val_len, size_t *new_val_len)
BEGIN_EXTERN_C()
SAPI_API SAPI_POST_READER_FUNC(sapi_read_standard_form_data);
SAPI_API SAPI_POST_READER_FUNC(php_default_post_reader);
SAPI_API SAPI_TREAT_DATA_FUNC(php_default_treat_data);
SAPI_API SAPI_INPUT_FILTER_FUNC(php_default_input_filter);
END_EXTERN_C()
#define STANDARD_SAPI_MODULE_PROPERTIES \
NULL, /* php_ini_path_override */ \
NULL, /* default_post_reader */ \
NULL, /* treat_data */ \
NULL, /* executable_location */ \
0, /* php_ini_ignore */ \
0, /* php_ini_ignore_cwd */ \
NULL, /* get_fd */ \
NULL, /* force_http_10 */ \
NULL, /* get_target_uid */ \
NULL, /* get_target_gid */ \
NULL, /* input_filter */ \
NULL, /* ini_defaults */ \
0, /* phpinfo_as_text; */ \
NULL, /* ini_entries; */ \
NULL, /* additional_functions */ \
NULL /* input_filter_init */
#endif /* SAPI_H */