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util_script.h
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/* 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); #ifdef __cplusplus } #endif #endif /* !APACHE_UTIL_SCRIPT_H */ /** @} */