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-rw-r--r--funcs/func_curl.c54
-rw-r--r--res/res_config_curl.c11
-rw-r--r--res/res_curl.c75
3 files changed, 105 insertions, 35 deletions
diff --git a/funcs/func_curl.c b/funcs/func_curl.c
index 32dbf7686..6c0d9b767 100644
--- a/funcs/func_curl.c
+++ b/funcs/func_curl.c
@@ -50,28 +50,14 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include "asterisk/utils.h"
#include "asterisk/threadstorage.h"
-struct MemoryStruct {
- char *memory;
- size_t size;
-};
-
-/* There might be a realloc() out there that doesn't like reallocing
- * NULL pointers, so we take care of it here
- */
-static void *myrealloc(void *ptr, size_t size)
-{
- return (ptr ? ast_realloc(ptr, size) : ast_malloc(size));
-}
-
static size_t WriteMemoryCallback(void *ptr, size_t size, size_t nmemb, void *data)
{
register int realsize = size * nmemb;
- struct MemoryStruct *mem = (struct MemoryStruct *)data;
+ struct ast_str **str = (struct ast_str **)data;
- if ((mem->memory = (char *)myrealloc(mem->memory, mem->size + realsize + 1))) {
- memcpy(&(mem->memory[mem->size]), ptr, realsize);
- mem->size += realsize;
- mem->memory[mem->size] = 0;
+ if (ast_str_make_space(str, (*str)->used + realsize + 1) == 0) {
+ memcpy(&(*str)->str[(*str)->used], ptr, realsize);
+ (*str)->used += realsize;
}
return realsize;
@@ -103,7 +89,7 @@ static void curl_instance_cleanup(void *data)
AST_THREADSTORAGE_CUSTOM(curl_instance, curl_instance_init, curl_instance_cleanup);
-static int curl_internal(struct MemoryStruct *chunk, char *url, char *post)
+static int curl_internal(struct ast_str **chunk, char *url, char *post)
{
CURL **curl;
@@ -128,7 +114,7 @@ static int curl_internal(struct MemoryStruct *chunk, char *url, char *post)
static int acf_curl_exec(struct ast_channel *chan, const char *cmd, char *info, char *buf, size_t len)
{
- struct MemoryStruct chunk = { NULL, 0 };
+ struct ast_str *str = ast_str_create(16);
AST_DECLARE_APP_ARGS(args,
AST_APP_ARG(url);
AST_APP_ARG(postdata);
@@ -138,6 +124,7 @@ static int acf_curl_exec(struct ast_channel *chan, const char *cmd, char *info,
if (ast_strlen_zero(info)) {
ast_log(LOG_WARNING, "CURL requires an argument (URL)\n");
+ ast_free(str);
return -1;
}
@@ -146,18 +133,19 @@ static int acf_curl_exec(struct ast_channel *chan, const char *cmd, char *info,
if (chan)
ast_autoservice_start(chan);
- if (!curl_internal(&chunk, args.url, args.postdata)) {
- if (chunk.memory) {
- chunk.memory[chunk.size] = '\0';
- if (chunk.memory[chunk.size - 1] == 10)
- chunk.memory[chunk.size - 1] = '\0';
+ if (!curl_internal(&str, args.url, args.postdata)) {
+ if (str->used) {
+ str->str[str->used] = '\0';
+ if (str->str[str->used - 1] == '\n') {
+ str->str[str->used - 1] = '\0';
+ }
- ast_copy_string(buf, chunk.memory, len);
- ast_free(chunk.memory);
+ ast_copy_string(buf, str->str, len);
}
} else {
ast_log(LOG_ERROR, "Cannot allocate curl structure\n");
}
+ ast_free(str);
if (chan)
ast_autoservice_stop(chan);
@@ -181,8 +169,6 @@ static int unload_module(void)
res = ast_custom_function_unregister(&acf_curl);
- curl_global_cleanup();
-
return res;
}
@@ -190,10 +176,12 @@ static int load_module(void)
{
int res;
- if (curl_global_init(CURL_GLOBAL_ALL)) {
- ast_log(LOG_ERROR, "Unable to initialize the CURL library. Cannot load func_curl\n");
- return AST_MODULE_LOAD_DECLINE;
- }
+ if (!ast_module_check("res_curl.so")) {
+ if (ast_load_resource("res_curl.so") != AST_MODULE_LOAD_SUCCESS) {
+ ast_log(LOG_ERROR, "Cannot load res_curl, so func_curl cannot be loaded\n");
+ return AST_MODULE_LOAD_DECLINE;
+ }
+ }
res = ast_custom_function_register(&acf_curl);
diff --git a/res/res_config_curl.c b/res/res_config_curl.c
index 722b08e9d..37079adea 100644
--- a/res/res_config_curl.c
+++ b/res/res_config_curl.c
@@ -538,15 +538,22 @@ static struct ast_config_engine curl_engine = {
.require_func = require_curl,
};
-static int unload_module (void)
+static int unload_module(void)
{
ast_config_engine_deregister(&curl_engine);
ast_verb(1, "res_config_curl unloaded.\n");
return 0;
}
-static int load_module (void)
+static int load_module(void)
{
+ if (!ast_module_check("res_curl.so")) {
+ if (ast_load_resource("res_curl.so") != AST_MODULE_LOAD_SUCCESS) {
+ ast_log(LOG_ERROR, "Cannot load res_curl, so res_config_curl cannot be loaded\n");
+ return AST_MODULE_LOAD_DECLINE;
+ }
+ }
+
ast_config_engine_register(&curl_engine);
ast_verb(1, "res_config_curl loaded.\n");
return 0;
diff --git a/res/res_curl.c b/res/res_curl.c
new file mode 100644
index 000000000..9e3284bd7
--- /dev/null
+++ b/res/res_curl.c
@@ -0,0 +1,75 @@
+/*
+ * Asterisk -- An open source telephony toolkit.
+ *
+ * Copyright (c) 2008, Digium, Inc.
+ *
+ * Tilghman Lesher <res_curl_v1@the-tilghman.com>
+ *
+ * See http://www.asterisk.org for more information about
+ * the Asterisk project. Please do not directly contact
+ * any of the maintainers of this project for assistance;
+ * the project provides a web site, mailing lists and IRC
+ * channels for your use.
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License Version 2. See the LICENSE file
+ * at the top of the source tree.
+ */
+
+/*! \file
+ *
+ * \brief curl resource engine
+ *
+ * \author Tilghman Lesher <res_curl_v1@the-tilghman.com>
+ *
+ * \extref Depends on the CURL library - http://curl.haxx.se/
+ *
+ */
+
+/*** MODULEINFO
+ <depend>curl</depend>
+ ***/
+
+#include "asterisk.h"
+
+ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
+
+#include <curl/curl.h>
+
+#include "asterisk/module.h"
+
+static int unload_module(void)
+{
+ int res = 0;
+
+ /* If the dependent modules are still in memory, forbid unload */
+ if (ast_module_check("func_curl.so")) {
+ ast_log(LOG_ERROR, "func_curl.so (dependent module) is still loaded. Cannot unload res_curl.so\n");
+ return -1;
+ }
+
+ if (ast_module_check("res_config_curl.so")) {
+ ast_log(LOG_ERROR, "res_config_curl.so (dependent module) is still loaded. Cannot unload res_curl.so\n");
+ return -1;
+ }
+
+ curl_global_cleanup();
+
+ return res;
+}
+
+static int load_module(void)
+{
+ int res = 0;
+
+ if (curl_global_init(CURL_GLOBAL_ALL)) {
+ ast_log(LOG_ERROR, "Unable to initialize the CURL library. Cannot load res_curl\n");
+ return AST_MODULE_LOAD_DECLINE;
+ }
+
+ return res;
+}
+
+AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "cURL Resource Module");
+
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-24 18:11:28 +0000