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| -rw-r--r-- | include/util_script.h | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/include/util_script.h b/include/util_script.h new file mode 100644 index 0000000..3566bd3 --- /dev/null +++ b/include/util_script.h @@ -0,0 +1,233 @@ +/* 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 */ +/** @} */ |