Adding upstream version 2.4.57.upstream/2.4.57

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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 */
+/** @} */