src/signal_handling.c \
src/globals.c \
src/http.c \
+ src/config.c \
third_party/SimpleArchiver/src/helpers.c \
third_party/SimpleArchiver/src/data_structures/linked_list.c \
third_party/SimpleArchiver/src/data_structures/hash_map.c \
--- /dev/null
+// ISC License
+//
+// Copyright (c) 2024 Stephen Seo
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+#include "config.h"
+
+// Standard library includes.
+#include <stdlib.h>
+#include <string.h>
+
+// Third party includes.
+#include <SimpleArchiver/src/helpers.h>
+
+// Local includes
+#include "constants.h"
+
+#define SINGLE_QUOTE_DECREMENT() \
+ for(; single_quote_count > 0; --single_quote_count) { \
+ if ((state & 1) == 0) { \
+ key_buf[key_idx++] = '\''; \
+ if (key_idx >= C_SIMPLE_HTTP_CONFIG_BUF_SIZE) { \
+ fprintf(stderr, \
+ "ERROR: config file \"key\" is larger than %u bytes!\n", \
+ C_SIMPLE_HTTP_CONFIG_BUF_SIZE - 1); \
+ c_simple_http_clean_up_parsed_config(&config); \
+ config.hash_map = NULL; \
+ return config; \
+ } \
+ } else { \
+ value_buf[value_idx++] = '\''; \
+ if (value_idx >= C_SIMPLE_HTTP_CONFIG_BUF_SIZE) { \
+ fprintf(stderr, \
+ "ERROR: config file \"value\" is larger than %u bytes!\n", \
+ C_SIMPLE_HTTP_CONFIG_BUF_SIZE - 1); \
+ c_simple_http_clean_up_parsed_config(&config); \
+ config.hash_map = NULL; \
+ return config; \
+ } \
+ } \
+ }
+
+#define DOUBLE_QUOTE_DECREMENT() \
+ for(; double_quote_count > 0; --double_quote_count) { \
+ if ((state & 1) == 0) { \
+ key_buf[key_idx++] = '"'; \
+ if (key_idx >= C_SIMPLE_HTTP_CONFIG_BUF_SIZE) { \
+ fprintf(stderr, \
+ "ERROR: config file \"key\" is larger than %u bytes!\n", \
+ C_SIMPLE_HTTP_CONFIG_BUF_SIZE - 1); \
+ c_simple_http_clean_up_parsed_config(&config); \
+ config.hash_map = NULL; \
+ return config; \
+ } \
+ } else { \
+ value_buf[value_idx++] = '"'; \
+ if (value_idx >= C_SIMPLE_HTTP_CONFIG_BUF_SIZE) { \
+ fprintf(stderr, \
+ "ERROR: config file \"value\" is larger than %u bytes!\n", \
+ C_SIMPLE_HTTP_CONFIG_BUF_SIZE - 1); \
+ c_simple_http_clean_up_parsed_config(&config); \
+ config.hash_map = NULL; \
+ return config; \
+ } \
+ } \
+ }
+
+void c_simple_http_hash_map_wrapper_cleanup_hashmap_fn(void *data) {
+ C_SIMPLE_HTTP_HashMapWrapper *wrapper = data;
+ simple_archiver_hash_map_free(&wrapper->paths);
+ free(wrapper);
+}
+
+void c_simple_http_hash_map_wrapper_cleanup(C_SIMPLE_HTTP_HashMapWrapper *wrapper) {
+ simple_archiver_hash_map_free(&wrapper->paths);
+ free(wrapper);
+}
+
+void c_simple_http_hash_map_cleanup_helper(SDArchiverHashMap *hash_map) {
+ simple_archiver_hash_map_free(&hash_map);
+}
+
+typedef struct C_SIMPLE_HTTP_INTERNAL_RequiredIter {
+ SDArchiverHashMap *hash_map;
+ const char *path;
+} C_SIMPLE_HTTP_INTERNAL_RequiredIter;
+
+int c_simple_http_required_iter_fn(void *data, void *ud) {
+ C_SIMPLE_HTTP_INTERNAL_RequiredIter *req_iter_struct = ud;
+ if (simple_archiver_hash_map_get(
+ req_iter_struct->hash_map,
+ data,
+ strlen(data) + 1) == NULL) {
+ if (req_iter_struct->path) {
+ fprintf(
+ stderr,
+ "WARNING: Map of PATH \"%s\" does not have required key \"%s\"!\n",
+ req_iter_struct->path,
+ (char*)data);
+ return 1;
+ } else {
+ fprintf(
+ stderr,
+ "WARNING: Map does not have required key \"%s\"!\n",
+ (char*)data);
+ return 1;
+ }
+ }
+ return 0;
+}
+
+typedef struct C_SIMPLE_HTTP_INTERNAL_RequiredCheck {
+ SDArchiverHashMap *map_of_paths_and_their_vars;
+ SDArchiverLinkedList *required;
+} C_SIMPLE_HTTP_INTERNAL_RequiredCheck;
+
+int c_simple_http_check_required_iter_fn(void *path_void_str, void *ud) {
+ C_SIMPLE_HTTP_INTERNAL_RequiredCheck *req = ud;
+ C_SIMPLE_HTTP_HashMapWrapper *wrapper =
+ simple_archiver_hash_map_get(
+ req->map_of_paths_and_their_vars,
+ path_void_str,
+ strlen(path_void_str) + 1);
+ if (!wrapper) {
+ fprintf(stderr,
+ "WARNING: Map of paths does not have path \"%s\"!\n",
+ (char*)path_void_str);
+ return 1;
+ }
+ C_SIMPLE_HTTP_INTERNAL_RequiredIter req_iter_struct;
+ req_iter_struct.hash_map = wrapper->hash_map;
+ req_iter_struct.path = path_void_str;
+ return simple_archiver_list_get(
+ req->required,
+ c_simple_http_required_iter_fn,
+ &req_iter_struct) != NULL ? 1 : 0;
+}
+
+C_SIMPLE_HTTP_ParsedConfig c_simple_http_parse_config(
+ const char *config_filename,
+ const char *separating_key,
+ SDArchiverLinkedList *required_names
+) {
+ C_SIMPLE_HTTP_ParsedConfig config;
+ config.hash_map = NULL;
+
+ if (!config_filename) {
+ fprintf(stderr, "ERROR: config_filename argument is NULL!\n");
+ return config;
+ } else if (!separating_key) {
+ fprintf(stderr, "ERROR: separating_key argument is NULL!\n");
+ return config;
+ }
+ const unsigned int separating_key_size = strlen(separating_key) + 1;
+
+ config.hash_map = simple_archiver_hash_map_init();
+
+ __attribute__((cleanup(simple_archiver_list_free)))
+ SDArchiverLinkedList *paths = simple_archiver_list_init();
+
+ __attribute__((cleanup(simple_archiver_helper_cleanup_FILE)))
+ FILE *f = fopen(config_filename, "r");
+ unsigned char key_buf[C_SIMPLE_HTTP_CONFIG_BUF_SIZE];
+ unsigned char value_buf[C_SIMPLE_HTTP_CONFIG_BUF_SIZE];
+ unsigned int key_idx = 0;
+ unsigned int value_idx = 0;
+ __attribute__((cleanup(simple_archiver_helper_cleanup_c_string)))
+ char *current_separating_key_value = NULL;
+ unsigned int current_separating_key_value_size = 0;
+
+ // xxx0 - reading key
+ // xxx1 - reading value
+ // 00xx - reading value is not quoted
+ // 01xx - reading value is single quoted
+ // 10xx - reading value is double quoted
+ unsigned int state = 0;
+ unsigned char single_quote_count = 0;
+ unsigned char double_quote_count = 0;
+ int c;
+
+ while (feof(f) == 0) {
+ c = fgetc(f);
+ if (c == EOF) {
+ break;
+ } else if ((state & 0xC) == 0 && (c == ' ' || c == '\t')) {
+ // Ignore whitespace when not quoted.
+ SINGLE_QUOTE_DECREMENT();
+ DOUBLE_QUOTE_DECREMENT();
+ continue;
+ } else if ((state & 1) == 0
+ && (state & 0xC) == 0
+ && (c == '\r' || c == '\n')) {
+ // Ignore newlines when parsing for key and when not quoted.
+ SINGLE_QUOTE_DECREMENT();
+ DOUBLE_QUOTE_DECREMENT();
+ continue;
+ } else if ((state & 1) == 1) {
+ if (c == '\'') {
+ ++single_quote_count;
+ DOUBLE_QUOTE_DECREMENT();
+
+ if (((state & 0xC) == 0x4 || (state & 0xC) == 0)
+ && single_quote_count >= C_SIMPLE_HTTP_QUOTE_COUNT_MAX) {
+ single_quote_count = 0;
+
+ // (state & 0xC) is known to be either 0x4 or 0.
+ if ((state & 0xC) == 0) {
+ state |= 0x4;
+ } else {
+ state &= 0xFFFFFFF3;
+ }
+ }
+ continue;
+ } else if (c == '"') {
+ ++double_quote_count;
+ SINGLE_QUOTE_DECREMENT();
+
+ if (((state & 0xC) == 0x8 || (state & 0xC) == 0)
+ && double_quote_count >= C_SIMPLE_HTTP_QUOTE_COUNT_MAX) {
+ double_quote_count = 0;
+
+ // (state & 0xC) is known to be either 0x8 or 0.
+ if ((state & 0xC) == 0) {
+ state |= 0x8;
+ } else {
+ state &= 0xFFFFFFF3;
+ }
+ }
+ continue;
+ } else {
+ SINGLE_QUOTE_DECREMENT();
+ DOUBLE_QUOTE_DECREMENT();
+ }
+ }
+ if ((state & 1) == 0) {
+ if (c != '=') {
+ key_buf[key_idx++] = c;
+ if (key_idx >= C_SIMPLE_HTTP_CONFIG_BUF_SIZE) {
+ fprintf(stderr,
+ "ERROR: config file \"key\" is larger than %u bytes!\n",
+ C_SIMPLE_HTTP_CONFIG_BUF_SIZE - 1);
+ c_simple_http_clean_up_parsed_config(&config);
+ config.hash_map = NULL;
+ return config;
+ }
+ } else {
+ if (key_idx < C_SIMPLE_HTTP_CONFIG_BUF_SIZE) {
+ key_buf[key_idx++] = 0;
+ } else {
+ fprintf(stderr,
+ "ERROR: config file \"key\" is larger than %u bytes!\n",
+ C_SIMPLE_HTTP_CONFIG_BUF_SIZE - 1);
+ c_simple_http_clean_up_parsed_config(&config);
+ config.hash_map = NULL;
+ return config;
+ }
+ state |= 1;
+ }
+ } else if ((state & 1) == 1) {
+ if ((c != '\n' && c != '\r') || (state & 0xC) != 0) {
+ value_buf[value_idx++] = c;
+ if (value_idx >= C_SIMPLE_HTTP_CONFIG_BUF_SIZE) {
+ fprintf(stderr,
+ "ERROR: config file \"value\" is larger than %u bytes!\n",
+ C_SIMPLE_HTTP_CONFIG_BUF_SIZE - 1);
+ c_simple_http_clean_up_parsed_config(&config);
+ config.hash_map = NULL;
+ return config;
+ }
+ } else {
+ if (value_idx < C_SIMPLE_HTTP_CONFIG_BUF_SIZE) {
+ value_buf[value_idx++] = 0;
+ } else {
+ fprintf(stderr,
+ "ERROR: config file \"value\" is larger than %u bytes!\n",
+ C_SIMPLE_HTTP_CONFIG_BUF_SIZE - 1);
+ c_simple_http_clean_up_parsed_config(&config);
+ config.hash_map = NULL;
+ return config;
+ }
+ state &= 0xFFFFFFFE;
+
+ // Check if key is separating_key.
+ if (strcmp((char*)key_buf, separating_key) == 0) {
+ if (current_separating_key_value) {
+ if (required_names) {
+ C_SIMPLE_HTTP_HashMapWrapper *hash_map_wrapper =
+ simple_archiver_hash_map_get(
+ config.hash_map,
+ current_separating_key_value,
+ current_separating_key_value_size);
+ C_SIMPLE_HTTP_INTERNAL_RequiredIter req_iter_struct;
+ req_iter_struct.hash_map = hash_map_wrapper->hash_map;
+ if (paths->count != 0) {
+ req_iter_struct.path = paths->tail->prev->data;
+ } else {
+ req_iter_struct.path = NULL;
+ }
+ const char *missing_key = simple_archiver_list_get(
+ required_names,
+ c_simple_http_required_iter_fn,
+ &req_iter_struct);
+ if (missing_key) {
+ fprintf(stderr,
+ "WARNING: config file did not have required key \"%s\"!"
+ " Returning NULL map!\n",
+ missing_key);
+ c_simple_http_clean_up_parsed_config(&config);
+ config.hash_map = NULL;
+ return config;
+ }
+ }
+
+ state &= 0xFFFFFFFD;
+ free(current_separating_key_value);
+ }
+ current_separating_key_value = malloc(value_idx);
+ memcpy(current_separating_key_value, value_buf, value_idx);
+ current_separating_key_value_size = value_idx;
+ // At this point, key is separating_key.
+ SDArchiverHashMap *hash_map = simple_archiver_hash_map_init();
+ unsigned char *key = malloc(separating_key_size);
+ strncpy((char*)key, separating_key, separating_key_size);
+ unsigned char *value = malloc(value_idx);
+ memcpy(value, value_buf, value_idx);
+ if (simple_archiver_hash_map_insert(&hash_map,
+ value,
+ key,
+ separating_key_size,
+ NULL,
+ NULL) != 0) {
+ fprintf(stderr,
+ "ERROR: Failed to create hash map for new separating_key "
+ "block!\n");
+ c_simple_http_clean_up_parsed_config(&config);
+ config.hash_map = NULL;
+ free(key);
+ free(value);
+ return config;
+ }
+
+ C_SIMPLE_HTTP_HashMapWrapper *wrapper = malloc(sizeof(C_SIMPLE_HTTP_HashMapWrapper));
+ wrapper->paths = hash_map;
+
+ if (simple_archiver_hash_map_insert(
+ &config.hash_map,
+ wrapper,
+ value,
+ value_idx,
+ c_simple_http_hash_map_wrapper_cleanup_hashmap_fn,
+ simple_archiver_helper_datastructure_cleanup_nop) != 0) {
+ fprintf(stderr,
+ "ERROR: Failed to insert new hash map for new PATH block!\n");
+ c_simple_http_clean_up_parsed_config(&config);
+ config.hash_map = NULL;
+ c_simple_http_hash_map_wrapper_cleanup(wrapper);
+ return config;
+ }
+ simple_archiver_list_add(paths, value,
+ simple_archiver_helper_datastructure_cleanup_nop);
+ } else if (!current_separating_key_value) {
+ fprintf(
+ stderr,
+ "ERROR: config file has invalid key: No preceding \"%s\" "
+ "key!\n", separating_key);
+ c_simple_http_clean_up_parsed_config(&config);
+ config.hash_map = NULL;
+ return config;
+ } else {
+ // Non-separating_key key.
+ C_SIMPLE_HTTP_HashMapWrapper *hash_map_wrapper =
+ simple_archiver_hash_map_get(
+ config.hash_map,
+ current_separating_key_value,
+ current_separating_key_value_size);
+ if (!hash_map_wrapper) {
+ fprintf(stderr,
+ "ERROR: Internal error failed to get existing hash map with path "
+ "\"%s\"!", current_separating_key_value);
+ c_simple_http_clean_up_parsed_config(&config);
+ config.hash_map = NULL;
+ return config;
+ }
+
+ unsigned char *key = malloc(key_idx);
+ memcpy(key, key_buf, key_idx);
+ unsigned char *value;
+ if (strcmp((char*)key_buf, "HTML_FILE") == 0) {
+ __attribute__((cleanup(simple_archiver_helper_cleanup_FILE)))
+ FILE *html_file = fopen((char*)value_buf, "r");
+ if (!html_file) {
+ fprintf(stderr,
+ "ERROR: Internal error failed to open HTML_FILE \"%s\"!",
+ value_buf);
+ c_simple_http_clean_up_parsed_config(&config);
+ config.hash_map = NULL;
+ return config;
+ }
+
+ fseek(html_file, 0, SEEK_END);
+ long file_size = ftell(html_file);
+ if (file_size <= 0) {
+ fprintf(stderr,
+ "ERROR: Internal error HTML_FILE \"%s\" is invalid size!",
+ value_buf);
+ c_simple_http_clean_up_parsed_config(&config);
+ config.hash_map = NULL;
+ return config;
+ }
+ fseek(html_file, 0, SEEK_SET);
+ unsigned long file_size_u = file_size;
+
+ unsigned char *read_buf = malloc(file_size_u);
+ size_t read_amount = 0;
+ read_amount = fread(read_buf, 1, file_size_u, html_file);
+ if (read_amount != file_size_u) {
+ fprintf(stderr, "ERROR: Failed to read HTML_FILE \"%s\"!\n",
+ value_buf);
+ free(read_buf);
+ c_simple_http_clean_up_parsed_config(&config);
+ config.hash_map = NULL;
+ return config;
+ }
+ value = read_buf;
+ } else {
+ value = malloc(value_idx);
+ memcpy(value, value_buf, value_idx);
+ }
+
+ if (simple_archiver_hash_map_insert(&hash_map_wrapper->paths,
+ value,
+ key,
+ key_idx,
+ NULL,
+ NULL) != 0) {
+ fprintf(stderr,
+ "ERROR: Internal error failed to insert into hash map with path "
+ "\"%s\"!", current_separating_key_value);
+ c_simple_http_clean_up_parsed_config(&config);
+ config.hash_map = NULL;
+ free(key);
+ free(value);
+ return config;
+ }
+ }
+ key_idx = 0;
+ value_idx = 0;
+ }
+ }
+ }
+ simple_archiver_helper_cleanup_FILE(&f);
+
+ if (!current_separating_key_value) {
+ fprintf(stderr, "ERROR: Never got \"PATH\" key in config!\n");
+ c_simple_http_clean_up_parsed_config(&config);
+ config.hash_map = NULL;
+ } else if (required_names) {
+ C_SIMPLE_HTTP_INTERNAL_RequiredCheck required_check_struct;
+ required_check_struct.map_of_paths_and_their_vars = config.hash_map;
+ required_check_struct.required = required_names;
+ const char *path_with_missing_key = simple_archiver_list_get(
+ paths,
+ c_simple_http_check_required_iter_fn,
+ &required_check_struct);
+ if (path_with_missing_key) {
+ fprintf(stderr,
+ "WARNING (parse end): config file with path \"%s\" did not have "
+ "required key(s)! Returning NULL map!\n",
+ path_with_missing_key);
+ c_simple_http_clean_up_parsed_config(&config);
+ config.hash_map = NULL;
+ }
+ }
+
+ return config;
+}
+
+void c_simple_http_clean_up_parsed_config(C_SIMPLE_HTTP_ParsedConfig *config) {
+ simple_archiver_hash_map_free(&config->paths);
+}
+
+// vim: ts=2 sts=2 sw=2
--- /dev/null
+// ISC License
+//
+// Copyright (c) 2024 Stephen Seo
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+#ifndef SEODISPARATE_COM_C_SIMPLE_HTTP_CONFIG_H_
+#define SEODISPARATE_COM_C_SIMPLE_HTTP_CONFIG_H_
+
+// Third party includes.
+#include <SimpleArchiver/src/data_structures/linked_list.h>
+#include <SimpleArchiver/src/data_structures/hash_map.h>
+
+typedef struct C_SIMPLE_HTTP_ParsedConfig {
+ /// Each entry in this data structure is a hash map where its value for the
+ /// key "PATH" is the path it represents. The "key" value should match the
+ /// mentioned value for "PATH".
+ union {
+ SDArchiverHashMap *paths;
+ SDArchiverHashMap *hash_map;
+ };
+} C_SIMPLE_HTTP_ParsedConfig;
+
+typedef C_SIMPLE_HTTP_ParsedConfig C_SIMPLE_HTTP_HashMapWrapper;
+
+/// Each line in the config should be a key-value pair separated by an equals
+/// sign. All whitespace is ignored unless if the value is quoted. A part of a
+/// string can be "quoted" if it is surrounded by three single-quotes or three
+/// double-quotes. If there exists a line with the key "PATH", then the value
+/// must be a path like "/cache" and all the following key-value pairs are
+/// associated with that PATH until the next "PATH" key or EOF. Each "PATH"
+/// "block" should have a "HTML" key-value pair where the value is a HTML
+/// template. Inside such HTML templates should be strings like
+/// "{{{{example_key}}}}" which will be replaced by the string value of the key
+/// name deliminated by the four curly braces. "HTML_FILE" specifies a filename
+/// to read instead of using a literal string in the config file. It will store
+/// the contents of the specified file with the "HTML" key internally.
+C_SIMPLE_HTTP_ParsedConfig c_simple_http_parse_config(
+ const char *config_filename,
+ const char *separating_key,
+ SDArchiverLinkedList *required_names
+);
+
+void c_simple_http_clean_up_parsed_config(C_SIMPLE_HTTP_ParsedConfig *config);
+
+#endif
+
+// vim: ts=2 sts=2 sw=2
#include <string.h>
// Local includes
-#include <SimpleArchiver/src/helpers.h>
#include "constants.h"
-#define SINGLE_QUOTE_DECREMENT() \
- for(; single_quote_count > 0; --single_quote_count) { \
- if ((state & 1) == 0) { \
- key_buf[key_idx++] = '\''; \
- if (key_idx >= C_SIMPLE_HTTP_CONFIG_BUF_SIZE) { \
- fprintf(stderr, \
- "ERROR: config file \"key\" is larger than %u bytes!\n", \
- C_SIMPLE_HTTP_CONFIG_BUF_SIZE - 1); \
- c_simple_http_clean_up_templates(&templates); \
- templates.paths = NULL; \
- return templates; \
- } \
- } else { \
- value_buf[value_idx++] = '\''; \
- if (value_idx >= C_SIMPLE_HTTP_CONFIG_BUF_SIZE) { \
- fprintf(stderr, \
- "ERROR: config file \"value\" is larger than %u bytes!\n", \
- C_SIMPLE_HTTP_CONFIG_BUF_SIZE - 1); \
- c_simple_http_clean_up_templates(&templates); \
- templates.paths = NULL; \
- return templates; \
- } \
- } \
- }
-
-#define DOUBLE_QUOTE_DECREMENT() \
- for(; double_quote_count > 0; --double_quote_count) { \
- if ((state & 1) == 0) { \
- key_buf[key_idx++] = '"'; \
- if (key_idx >= C_SIMPLE_HTTP_CONFIG_BUF_SIZE) { \
- fprintf(stderr, \
- "ERROR: config file \"key\" is larger than %u bytes!\n", \
- C_SIMPLE_HTTP_CONFIG_BUF_SIZE - 1); \
- c_simple_http_clean_up_templates(&templates); \
- templates.paths = NULL; \
- return templates; \
- } \
- } else { \
- value_buf[value_idx++] = '"'; \
- if (value_idx >= C_SIMPLE_HTTP_CONFIG_BUF_SIZE) { \
- fprintf(stderr, \
- "ERROR: config file \"value\" is larger than %u bytes!\n", \
- C_SIMPLE_HTTP_CONFIG_BUF_SIZE - 1); \
- c_simple_http_clean_up_templates(&templates); \
- templates.paths = NULL; \
- return templates; \
- } \
- } \
- }
-
-void c_simple_http_hash_map_wrapper_cleanup_hashmap_fn(void *data) {
- HashMapWrapper *wrapper = data;
- simple_archiver_hash_map_free(&wrapper->paths);
- free(wrapper);
-}
-
-void c_simple_http_hash_map_wrapper_cleanup(HashMapWrapper *wrapper) {
- simple_archiver_hash_map_free(&wrapper->paths);
- free(wrapper);
-}
-
-void c_simple_http_hash_map_cleanup_helper(SDArchiverHashMap *hash_map) {
- simple_archiver_hash_map_free(&hash_map);
-}
-
-HTTPTemplates c_simple_http_set_up_templates(const char *config_filename) {
- HTTPTemplates templates;
- templates.paths = simple_archiver_hash_map_init();
-
- FILE *f = fopen(config_filename, "r");
- unsigned char key_buf[C_SIMPLE_HTTP_CONFIG_BUF_SIZE];
- unsigned char value_buf[C_SIMPLE_HTTP_CONFIG_BUF_SIZE];
- unsigned int key_idx = 0;
- unsigned int value_idx = 0;
- __attribute__((cleanup(simple_archiver_helper_cleanup_c_string)))
- char *current_path = NULL;
- unsigned int current_path_size = 0;
-
- // xxx0 - reading key
- // xxx1 - reading value
- // xx0x - does not have "HTML" key
- // xx1x - does have "HTML" key
- // 00xx - reading value is not quoted
- // 01xx - reading value is single quoted
- // 10xx - reading value is double quoted
- unsigned int state = 0;
- unsigned char single_quote_count = 0;
- unsigned char double_quote_count = 0;
- int c;
-
- while (feof(f) == 0) {
- c = fgetc(f);
- if (c == EOF) {
- break;
- } else if ((state & 0xC) == 0 && (c == ' ' || c == '\t')) {
- // Ignore whitespace when not quoted.
- SINGLE_QUOTE_DECREMENT();
- DOUBLE_QUOTE_DECREMENT();
- continue;
- } else if ((state & 1) == 0
- && (state & 0xC) == 0
- && (c == '\r' || c == '\n')) {
- // Ignore newlines when parsing for key and when not quoted.
- SINGLE_QUOTE_DECREMENT();
- DOUBLE_QUOTE_DECREMENT();
- continue;
- } else if ((state & 1) == 1) {
- if (c == '\'') {
- ++single_quote_count;
- DOUBLE_QUOTE_DECREMENT();
-
- if (((state & 0xC) == 0x4 || (state & 0xC) == 0)
- && single_quote_count >= C_SIMPLE_HTTP_QUOTE_COUNT_MAX) {
- single_quote_count = 0;
-
- // (state & 0xC) is known to be either 0x4 or 0.
- if ((state & 0xC) == 0) {
- state |= 0x4;
- } else {
- state &= 0xFFFFFFF3;
- }
- }
- continue;
- } else if (c == '"') {
- ++double_quote_count;
- SINGLE_QUOTE_DECREMENT();
-
- if (((state & 0xC) == 0x8 || (state & 0xC) == 0)
- && double_quote_count >= C_SIMPLE_HTTP_QUOTE_COUNT_MAX) {
- double_quote_count = 0;
-
- // (state & 0xC) is known to be either 0x8 or 0.
- if ((state & 0xC) == 0) {
- state |= 0x8;
- } else {
- state &= 0xFFFFFFF3;
- }
- }
- continue;
- } else {
- SINGLE_QUOTE_DECREMENT();
- DOUBLE_QUOTE_DECREMENT();
- }
- }
- if ((state & 1) == 0) {
- if (c != '=') {
- key_buf[key_idx++] = c;
- if (key_idx >= C_SIMPLE_HTTP_CONFIG_BUF_SIZE) {
- fprintf(stderr,
- "ERROR: config file \"key\" is larger than %u bytes!\n",
- C_SIMPLE_HTTP_CONFIG_BUF_SIZE - 1);
- c_simple_http_clean_up_templates(&templates);
- templates.paths = NULL;
- return templates;
- }
- } else {
- if (key_idx < C_SIMPLE_HTTP_CONFIG_BUF_SIZE) {
- key_buf[key_idx++] = 0;
- } else {
- fprintf(stderr,
- "ERROR: config file \"key\" is larger than %u bytes!\n",
- C_SIMPLE_HTTP_CONFIG_BUF_SIZE - 1);
- c_simple_http_clean_up_templates(&templates);
- templates.paths = NULL;
- return templates;
- }
- state |= 1;
- }
- } else if ((state & 1) == 1) {
- if ((c != '\n' && c != '\r') || (state & 0xC) != 0) {
- value_buf[value_idx++] = c;
- if (value_idx >= C_SIMPLE_HTTP_CONFIG_BUF_SIZE) {
- fprintf(stderr,
- "ERROR: config file \"value\" is larger than %u bytes!\n",
- C_SIMPLE_HTTP_CONFIG_BUF_SIZE - 1);
- c_simple_http_clean_up_templates(&templates);
- templates.paths = NULL;
- return templates;
- }
- } else {
- if (value_idx < C_SIMPLE_HTTP_CONFIG_BUF_SIZE) {
- value_buf[value_idx++] = 0;
- } else {
- fprintf(stderr,
- "ERROR: config file \"value\" is larger than %u bytes!\n",
- C_SIMPLE_HTTP_CONFIG_BUF_SIZE - 1);
- c_simple_http_clean_up_templates(&templates);
- templates.paths = NULL;
- return templates;
- }
- state &= 0xFFFFFFFE;
-
- // Check if key is "PATH".
- if (strcmp((char*)key_buf, "PATH") == 0) {
- if (current_path) {
- if ((state & 0x2) == 0) {
- fprintf(stderr,
- "ERROR: config file did not have \"HTML\" key for PATH!"
- "\n");
- c_simple_http_clean_up_templates(&templates);
- templates.paths = NULL;
- return templates;
- }
- state &= 0xFFFFFFFD;
- free(current_path);
- }
- current_path = malloc(value_idx);
- memcpy(current_path, value_buf, value_idx);
- current_path_size = value_idx;
- // At this point, key is "PATH".
- SDArchiverHashMap *hash_map = simple_archiver_hash_map_init();
- unsigned char *key = malloc(5);
- key[0] = 'P';
- key[1] = 'A';
- key[2] = 'T';
- key[3] = 'H';
- key[4] = 0;
- unsigned char *value = malloc(value_idx);
- memcpy(value, value_buf, value_idx);
- if (simple_archiver_hash_map_insert(&hash_map,
- value,
- key,
- 5,
- NULL,
- NULL) != 0) {
- fprintf(stderr,
- "ERROR: Failed to create hash map for new PATH block!\n");
- c_simple_http_clean_up_templates(&templates);
- templates.paths = NULL;
- free(key);
- free(value);
- return templates;
- }
-
- HashMapWrapper *wrapper = malloc(sizeof(HashMapWrapper));
- wrapper->paths = hash_map;
-
- if (simple_archiver_hash_map_insert(
- &templates.paths,
- wrapper,
- value,
- value_idx,
- c_simple_http_hash_map_wrapper_cleanup_hashmap_fn,
- simple_archiver_helper_datastructure_cleanup_nop) != 0) {
- fprintf(stderr,
- "ERROR: Failed to insert new hash map for new PATH block!\n");
- c_simple_http_clean_up_templates(&templates);
- templates.paths = NULL;
- c_simple_http_hash_map_wrapper_cleanup(wrapper);
- return templates;
- }
- } else if (!current_path) {
- fprintf(
- stderr,
- "ERROR: config file has invalid key: No preceding \"PATH\" "
- "key!\n");
- c_simple_http_clean_up_templates(&templates);
- templates.paths = NULL;
- return templates;
- } else {
- // Non-"PATH" key.
- if (strcmp((char*)key_buf, "HTML") == 0
- || strcmp((char*)key_buf, "HTML_FILE") == 0) {
- state |= 0x2;
- }
- HashMapWrapper *hash_map_wrapper = simple_archiver_hash_map_get(
- templates.paths,
- current_path,
- current_path_size);
- if (!hash_map_wrapper) {
- fprintf(stderr,
- "ERROR: Internal error failed to get existing hash map with path "
- "\"%s\"!", current_path);
- c_simple_http_clean_up_templates(&templates);
- templates.paths = NULL;
- return templates;
- }
-
- unsigned char *key = malloc(key_idx);
- memcpy(key, key_buf, key_idx);
- unsigned char *value;
- if (strcmp((char*)key_buf, "HTML_FILE") == 0) {
- __attribute__((cleanup(simple_archiver_helper_cleanup_FILE)))
- FILE *html_file = fopen((char*)value_buf, "r");
- if (!html_file) {
- fprintf(stderr,
- "ERROR: Internal error failed to open HTML_FILE \"%s\"!",
- value_buf);
- c_simple_http_clean_up_templates(&templates);
- templates.paths = NULL;
- return templates;
- }
-
- fseek(html_file, 0, SEEK_END);
- long file_size = ftell(html_file);
- if (file_size <= 0) {
- fprintf(stderr,
- "ERROR: Internal error HTML_FILE \"%s\" is invalid size!",
- value_buf);
- c_simple_http_clean_up_templates(&templates);
- templates.paths = NULL;
- return templates;
- }
- fseek(html_file, 0, SEEK_SET);
- unsigned long file_size_u = file_size;
-
- unsigned char *read_buf = malloc(file_size_u);
- size_t read_amount = 0;
- read_amount = fread(read_buf, 1, file_size_u, html_file);
- if (read_amount != file_size_u) {
- fprintf(stderr, "ERROR: Failed to read HTML_FILE \"%s\"!\n",
- value_buf);
- free(read_buf);
- c_simple_http_clean_up_templates(&templates);
- templates.paths = NULL;
- return templates;
- }
- value = read_buf;
- } else {
- value = malloc(value_idx);
- memcpy(value, value_buf, value_idx);
- }
-
- if (simple_archiver_hash_map_insert(&hash_map_wrapper->paths,
- value,
- key,
- key_idx,
- NULL,
- NULL) != 0) {
- fprintf(stderr,
- "ERROR: Internal error failed to insert into hash map with path "
- "\"%s\"!", current_path);
- c_simple_http_clean_up_templates(&templates);
- templates.paths = NULL;
- free(key);
- free(value);
- return templates;
- }
- }
- key_idx = 0;
- value_idx = 0;
- }
- }
- }
- fclose(f);
-
- if (!current_path) {
- fprintf(stderr, "ERROR: Never got \"PATH\" key in config!\n");
- c_simple_http_clean_up_templates(&templates);
- templates.paths = NULL;
- } else if ((state & 0x2) == 0) {
- fprintf(stderr,
- "ERROR: Current \"PATH\" did not get \"HTML\" key in config!\n");
- c_simple_http_clean_up_templates(&templates);
- templates.paths = NULL;
- }
-
- return templates;
-}
-
-void c_simple_http_clean_up_templates(HTTPTemplates *templates) {
- simple_archiver_hash_map_free(&templates->paths);
-}
-
-char *c_simple_http_request_response(const char *request, unsigned int size,
- const HTTPTemplates *templates) {
+char *c_simple_http_request_response(
+ const char *request,
+ unsigned int size,
+ const C_SIMPLE_HTTP_HTTPTemplates *templates) {
// TODO
return NULL;
}
#ifndef SEODISPARATE_COM_C_SIMPLE_HTTP_HTTP_H_
#define SEODISPARATE_COM_C_SIMPLE_HTTP_HTTP_H_
+// Third party includes.
#include <SimpleArchiver/src/data_structures/hash_map.h>
-typedef struct HTTPTemplates {
- /// Each entry in this data structure is a hash map where its value for the
- /// key "PATH" is the path it represents. The "key" value should match the
- /// mentioned value for "PATH".
- SDArchiverHashMap *paths;
-} HTTPTemplates;
+// Local includes.
+#include "config.h"
-typedef HTTPTemplates HashMapWrapper;
-
-/// Each line in the config should be a key-value pair separated by an equals
-/// sign. All whitespace is ignored unless if the value is quoted. A part of a
-/// string can be "quoted" if it is surrounded by three single-quotes or three
-/// double-quotes. If there exists a line with the key "PATH", then the value
-/// must be a path like "/cache" and all the following key-value pairs are
-/// associated with that PATH until the next "PATH" key or EOF. Each "PATH"
-/// "block" should have a "HTML" key-value pair where the value is a HTML
-/// template. Inside such HTML templates should be strings like
-/// "{{{{example_key}}}}" which will be replaced by the string value of the key
-/// name deliminated by the four curly braces. "HTML_FILE" specifies a filename
-/// to read instead of using a literal string in the config file. It will store
-/// the contents of the specified file with the "HTML" key internally.
-HTTPTemplates c_simple_http_set_up_templates(const char *config_filename);
-
-void c_simple_http_clean_up_templates(HTTPTemplates *templates);
+typedef C_SIMPLE_HTTP_ParsedConfig C_SIMPLE_HTTP_HTTPTemplates;
/// Returned buffer must be "free"d after use.
/// If the request is not valid, or 404, then the buffer will be NULL.
-char *c_simple_http_request_response(const char *request, unsigned int size,
- const HTTPTemplates *templates);
+char *c_simple_http_request_response(
+ const char *request,
+ unsigned int size,
+ const C_SIMPLE_HTTP_HTTPTemplates *templates
+);
#endif
#include <string.h>
// Local includes.
-#include "http.h"
+#include "config.h"
// Third party includes.
#include <SimpleArchiver/src/helpers.h>
ASSERT_TRUE(
fwrite("TEST5=\"\"\" '''one two '''three \"\"\"\n", 1, 34, test_file)
== 34);
+ ASSERT_TRUE(
+ fwrite("PATH=/derp\nHTML=''' one two three '''\n", 1, 38, test_file)
+ == 38);
+ ASSERT_TRUE(
+ fwrite("TEST=''' \"one two \"three '''\n", 1, 29, test_file)
+ == 29);
+ ASSERT_TRUE(
+ fwrite("TEST2=' \"one two \"three ''\n", 1, 27, test_file)
+ == 27);
+ ASSERT_TRUE(
+ fwrite("PATH=/doop\n", 1, 11, test_file)
+ == 11);
+ ASSERT_TRUE(
+ fwrite("TEST3=something\n", 1, 16, test_file)
+ == 16);
+ ASSERT_TRUE(
+ fwrite("TEST2=' \"one two \"three ''\n", 1, 27, test_file)
+ == 27);
simple_archiver_helper_cleanup_FILE(&test_file);
- __attribute__((cleanup(c_simple_http_clean_up_templates)))
- HTTPTemplates templates =
- c_simple_http_set_up_templates(test_config_filename);
+ __attribute__((cleanup(simple_archiver_list_free)))
+ SDArchiverLinkedList *required_names = simple_archiver_list_init();
+ simple_archiver_list_add(
+ required_names,
+ "TEST2",
+ simple_archiver_helper_datastructure_cleanup_nop);
+
+ __attribute__((cleanup(c_simple_http_clean_up_parsed_config)))
+ C_SIMPLE_HTTP_ParsedConfig templates =
+ c_simple_http_parse_config(test_config_filename, "PATH", required_names);
ASSERT_TRUE(templates.paths);
- HashMapWrapper *first_path_map_wrapper =
+ C_SIMPLE_HTTP_ParsedConfig *first_path_map_wrapper =
simple_archiver_hash_map_get(templates.paths, "/", 2);
ASSERT_TRUE(first_path_map_wrapper);
ASSERT_TRUE(value);
// printf("%s\n", value);
ASSERT_STREQ(value, " '''one two '''three ");
+
+ simple_archiver_list_free(&required_names);
+ required_names = simple_archiver_list_init();
+ simple_archiver_list_add(
+ required_names,
+ "TEST3",
+ simple_archiver_helper_datastructure_cleanup_nop);
+
+ c_simple_http_clean_up_parsed_config(&templates);
+ templates =
+ c_simple_http_parse_config(test_config_filename, "PATH", required_names);
+ ASSERT_FALSE(templates.paths);
+
+ simple_archiver_list_free(&required_names);
+ required_names = simple_archiver_list_init();
+ simple_archiver_list_add(
+ required_names,
+ "TEST",
+ simple_archiver_helper_datastructure_cleanup_nop);
+
+ c_simple_http_clean_up_parsed_config(&templates);
+ templates =
+ c_simple_http_parse_config(test_config_filename, "PATH", required_names);
+ ASSERT_FALSE(templates.paths);
}
RETURN()
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