/* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements . See the NOTICE file distributed with
* this work for additional information regarding copyright ownership .
* The ASF licenses this file to You under the Apache License , Version 2 . 0
* ( the " License " ) ; you may not use this file except in compliance with
* the License . You may obtain a copy of the License at
*
* http : //www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing , software
* distributed under the License is distributed on an " AS IS " BASIS ,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND , either express or implied .
* See the License for the specific language governing permissions and
* limitations under the License .
*/
/**
* @ file util_script . h
* @ brief Apache script tools
*
* @ defgroup APACHE_CORE_SCRIPT Script Tools
* @ ingroup APACHE_CORE
* @ {
*/
#ifndef APACHE_UTIL_SCRIPT_H
#define APACHE_UTIL_SCRIPT_H
#include "apr_buckets.h"
#include "ap_config.h"
#ifdef __cplusplus
extern "C" {
#endif
#ifndef APACHE_ARG_MAX
#ifdef _POSIX_ARG_MAX
#define APACHE_ARG_MAX _POSIX_ARG_MAX
#else
#define APACHE_ARG_MAX 512
#endif
#endif
/**
* Create an environment variable out of an Apache table of key - value pairs
* @ param p pool to allocate out of
* @ param t Apache table of key - value pairs
* @ return An array containing the same key - value pairs suitable for
* use with an exec call .
* @ fn char * * ap_create_environment ( apr_pool_t * p , apr_table_t * t )
*/
AP_DECLARE(char **) ap_create_environment(apr_pool_t *p, apr_table_t *t);
/**
* This " cute " little function comes about because the path info on
* filenames and URLs aren ' t always the same . So we take the two ,
* and find as much of the two that match as possible .
* @ param uri The uri we are currently parsing
* @ param path_info The current path info
* @ return The length of the path info
* @ fn int ap_find_path_info ( const char * uri , const char * path_info )
*/
AP_DECLARE(int ) ap_find_path_info(const char *uri, const char *path_info);
/**
* Add CGI environment variables required by HTTP / 1 . 1 to the request ' s
* environment table
* @ param r the current request
* @ fn void ap_add_cgi_vars ( request_rec * r )
*/
AP_DECLARE(void ) ap_add_cgi_vars(request_rec *r);
/**
* Add common CGI environment variables to the requests environment table
* @ param r The current request
* @ fn void ap_add_common_vars ( request_rec * r )
*/
AP_DECLARE(void ) ap_add_common_vars(request_rec *r);
/**
* Read headers output from a script , ensuring that the output is valid . If
* the output is valid , then the headers are added to the headers out of the
* current request
* @ param r The current request
* @ param f The file to read from
* @ param buffer Empty when calling the function . On output , if there was an
* error , the string that cause the error is stored here .
* @ return HTTP_OK on success , HTTP_INTERNAL_SERVER_ERROR otherwise
* @ fn int ap_scan_script_header_err ( request_rec * r , apr_file_t * f , char * buffer )
*/
AP_DECLARE(int ) ap_scan_script_header_err(request_rec *r, apr_file_t *f, char *buffer);
/**
* Read headers output from a script , ensuring that the output is valid . If
* the output is valid , then the headers are added to the headers out of the
* current request
* @ param r The current request
* @ param f The file to read from
* @ param buffer Empty when calling the function . On output , if there was an
* error , the string that cause the error is stored here .
* @ param module_index The module index to be used for logging
* @ return HTTP_OK on success , HTTP_INTERNAL_SERVER_ERROR otherwise
*/
AP_DECLARE(int ) ap_scan_script_header_err_ex(request_rec *r, apr_file_t *f,
char *buffer, int module_index);
/**
* Read headers output from a script , ensuring that the output is valid . If
* the output is valid , then the headers are added to the headers out of the
* current request
* @ param r The current request
* @ param bb The brigade from which to read
* @ param buffer Empty when calling the function . On output , if there was an
* error , the string that cause the error is stored here .
* @ return HTTP_OK on success , HTTP_INTERNAL_SERVER_ERROR otherwise
* @ fn int ap_scan_script_header_err_brigade ( request_rec * r , apr_bucket_brigade * bb , char * buffer )
*/
AP_DECLARE(int ) ap_scan_script_header_err_brigade(request_rec *r,
apr_bucket_brigade *bb,
char *buffer);
/**
* Read headers output from a script , ensuring that the output is valid . If
* the output is valid , then the headers are added to the headers out of the
* current request
* @ param r The current request
* @ param bb The brigade from which to read
* @ param buffer Empty when calling the function . On output , if there was an
* error , the string that cause the error is stored here .
* @ param module_index The module index to be used for logging
* @ return HTTP_OK on success , HTTP_INTERNAL_SERVER_ERROR otherwise
*/
AP_DECLARE(int ) ap_scan_script_header_err_brigade_ex(request_rec *r,
apr_bucket_brigade *bb,
char *buffer,
int module_index);
/**
* Read headers strings from a script , ensuring that the output is valid . If
* the output is valid , then the headers are added to the headers out of the
* current request
* @ param r The current request
* @ param buffer Empty when calling the function . On output , if there was an
* error , the string that cause the error is stored here .
* @ param termch Pointer to the last character parsed .
* @ param termarg Pointer to an int to capture the last argument parsed .
*
* The varargs are string arguments to parse consecutively for headers ,
* with a NULL argument to terminate the list .
*
* @ return HTTP_OK on success , HTTP_INTERNAL_SERVER_ERROR otherwise
*/
AP_DECLARE_NONSTD(int ) ap_scan_script_header_err_strs(request_rec *r,
char *buffer,
const char **termch,
int *termarg, ...)
AP_FN_ATTR_SENTINEL;
/**
* Read headers strings from a script , ensuring that the output is valid . If
* the output is valid , then the headers are added to the headers out of the
* current request
* @ param r The current request
* @ param buffer Empty when calling the function . On output , if there was an
* error , the string that cause the error is stored here .
* @ param module_index The module index to be used for logging
* @ param termch Pointer to the last character parsed .
* @ param termarg Pointer to an int to capture the last argument parsed .
*
* The varargs are string arguments to parse consecutively for headers ,
* with a NULL argument to terminate the list .
*
* @ return HTTP_OK on success , HTTP_INTERNAL_SERVER_ERROR otherwise
*/
AP_DECLARE_NONSTD(int ) ap_scan_script_header_err_strs_ex(request_rec *r,
char *buffer,
int module_index,
const char **termch,
int *termarg, ...)
AP_FN_ATTR_SENTINEL;
/**
* Read headers output from a script , ensuring that the output is valid . If
* the output is valid , then the headers are added to the headers out of the
* current request
* @ param r The current request
* @ param buffer Empty when calling the function . On output , if there was an
* error , the string that cause the error is stored here .
* @ param getsfunc Function to read the headers from . This function should
act like gets ( )
* @ param getsfunc_data The place to read from
* @ return HTTP_OK on success , HTTP_INTERNAL_SERVER_ERROR otherwise
*/
AP_DECLARE(int ) ap_scan_script_header_err_core(request_rec *r, char *buffer,
int (*getsfunc) (char *, int , void *),
void *getsfunc_data);
/**
* Read headers output from a script , ensuring that the output is valid . If
* the output is valid , then the headers are added to the headers out of the
* current request
* @ param r The current request
* @ param buffer Empty when calling the function . On output , if there was an
* error , the string that cause the error is stored here .
* @ param getsfunc Function to read the headers from . This function should
act like gets ( )
* @ param getsfunc_data The place to read from
* @ param module_index The module index to be used for logging
* @ return HTTP_OK on success , HTTP_INTERNAL_SERVER_ERROR otherwise
*/
AP_DECLARE(int ) ap_scan_script_header_err_core_ex(request_rec *r, char *buffer,
int (*getsfunc) (char *, int , void *),
void *getsfunc_data, int module_index);
/**
* Parse query args for the request and store in a new table allocated
* from the request pool .
* For args with no value , " 1 " will be used instead .
* If no query args were specified , the table will be empty .
* @ param r The current request
* @ param table A new table on output .
*/
AP_DECLARE(void ) ap_args_to_table(request_rec *r, apr_table_t **table);
#define AP_TRUST_CGILIKE_CL_ENVVAR "ap_trust_cgilike_cl"
#ifdef __cplusplus
}
#endif
#endif /* !APACHE_UTIL_SCRIPT_H */
/** @} */
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