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Escape commas in keys and values, when keys and values are enumerated by commas.

Review: https://reviewboard.asterisk.org/r/1433
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Merged revisions 337325 from https://origsvn.digium.com/svn/asterisk/branches/1.8
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Merged revisions 337342 from https://origsvn.digium.com/svn/asterisk/branches/10


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@337343 65c4cc65-6c06-0410-ace0-fbb531ad65f3

funcs/func_curl.c

@@ -564,9 +564,11 @@ static void curl_instance_cleanup(void *data)
 }
 
 AST_THREADSTORAGE_CUSTOM(curl_instance, curl_instance_init, curl_instance_cleanup);
+AST_THREADSTORAGE(thread_escapebuf);
 
 static int acf_curl_helper(struct ast_channel *chan, const char *cmd, char *info, char *buf, struct ast_str **input_str, ssize_t len)
 {
+	struct ast_str *escapebuf = ast_str_thread_get(&thread_escapebuf, 16);
 	struct ast_str *str = ast_str_create(16);
 	int ret = -1;
 	AST_DECLARE_APP_ARGS(args,
@@ -587,6 +589,11 @@ static int acf_curl_helper(struct ast_channel *chan, const char *cmd, char *info
 		return -1;
 	}
 
+	if (!escapebuf) {
+		ast_free(str);
+		return -1;
+	}
+
 	if (ast_strlen_zero(info)) {
 		ast_log(LOG_WARNING, "CURL requires an argument (URL)\n");
 		ast_free(str);
@@ -670,8 +677,8 @@ static int acf_curl_helper(struct ast_channel *chan, const char *cmd, char *info
 					}
 					ast_uri_decode(name, ast_uri_http);
 				}
-				ast_str_append(&fields, 0, "%s%s", rowcount ? "," : "", name);
-				ast_str_append(&values, 0, "%s%s", rowcount ? "," : "", S_OR(piece, ""));
+				ast_str_append(&fields, 0, "%s%s", rowcount ? "," : "", ast_str_set_escapecommas(&escapebuf, 0, name, INT_MAX));
+				ast_str_append(&values, 0, "%s%s", rowcount ? "," : "", ast_str_set_escapecommas(&escapebuf, 0, S_OR(piece, ""), INT_MAX));
 				rowcount++;
 			}
 			pbx_builtin_setvar_helper(chan, "~ODBCFIELDS~", ast_str_buffer(fields));