Although ast_context_find, ast_context_find_or_create and ast_context_destroy perform locking of the contexts table, any context pointer can become invalid at any time that the contexts table is unlocked. This change adds locking around all complete operations involving these functions. Places where ast_context_find was followed by ast_context_destroy have been replaced with calls ast_context_destroy_by_name. ASTERISK-25094 #close Reported by: Corey Farrell Change-Id: I1866b6787730c9c4f3f836b6133ffe9c820734fa
179 lines
5.9 KiB
C
179 lines
5.9 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 2010, Digium, Inc.
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*
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* Tilghman Lesher <tlesher AT digium DOT com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*!
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* \file
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* \brief Gosub tests
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*
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* \author Tilghman Lesher \verbatim <tlesher AT digium DOT com> \endverbatim
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*
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* \ingroup tests
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*/
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/*** MODULEINFO
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<depend>TEST_FRAMEWORK</depend>
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<support_level>core</support_level>
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***/
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#include "asterisk.h"
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ASTERISK_REGISTER_FILE()
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#include "asterisk/utils.h"
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#include "asterisk/module.h"
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#include "asterisk/test.h"
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#include "asterisk/pbx.h"
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#include "asterisk/channel.h"
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AST_TEST_DEFINE(test_gosub)
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{
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#define CONTEXT_NAME "tests_test_gosub_virtual_context"
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int res = AST_TEST_PASS, i;
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struct ast_channel *chan;
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struct ast_str *str;
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struct testplan {
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const char *app;
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const char *args;
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const char *expected_value;
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} testplan[] = {
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{ NULL, "${STACK_PEEK(1,e,1)}", "" }, /* Stack is empty */
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{ "Gosub", "tests_test_gosub_virtual_context,s,1" },
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{ NULL, "${PRIORITY}", "1" },
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{ NULL, "${EXTEN}", "s" },
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{ NULL, "${STACK_PEEK(1,e,1)}", "" }, /* No extension originally */
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{ "Gosub", "test,dne,1", (const char *) -1 }, /* This is the only invocation that should fail. */
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{ NULL, "${PRIORITY}", "1" },
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{ NULL, "${EXTEN}", "s" },
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{ "Gosub", "tests_test_gosub_virtual_context,s,1(5,5,5,5,5)" },
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{ NULL, "${PRIORITY}", "1" },
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{ NULL, "$[0${ARG1} + 0${ARG5}]", "10" },
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{ NULL, "${STACK_PEEK(1,e)}", "s" },
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{ NULL, "${STACK_PEEK(1,c)}", "tests_test_gosub_virtual_context" },
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{ NULL, "${STACK_PEEK(1,p)}", "1" },
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{ NULL, "${STACK_PEEK(1,l)}", "tests_test_gosub_virtual_context,s,1" },
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{ "StackPop", "" },
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{ NULL, "${STACK_PEEK(1,e,1)}", "" }, /* Only 1 frame deep, my caller is top-level */
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{ "Gosub", "tests_test_gosub_virtual_context,s,1(5,5,5,5,5)" },
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{ "Gosub", "tests_test_gosub_virtual_context,s,1(4,4,4,4)" },
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{ NULL, "$[0${ARG1} + 0${ARG5}]", "4" },
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{ NULL, "$[0${ARG1} + 0${ARG4}]", "8" },
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{ "Gosub", "tests_test_gosub_virtual_context,s,1(3,3,3)" },
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{ NULL, "$[0${ARG1} + 0${ARG4}]", "3" },
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{ NULL, "$[0${ARG1} + 0${ARG3}]", "6" },
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{ "Gosub", "tests_test_gosub_virtual_context,s,1(2,2)" },
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{ NULL, "$[0${ARG1} + 0${ARG3}]", "2" },
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{ NULL, "$[0${ARG1} + 0${ARG2}]", "4" },
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{ "Gosub", "tests_test_gosub_virtual_context,s,1(1)" },
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{ NULL, "$[0${ARG1} + 0${ARG2}]", "1" },
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{ NULL, "$[0${ARG1} + 0${ARG1}]", "2" },
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{ "Gosub", "tests_test_gosub_virtual_context,s,1" },
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{ NULL, "$[0${ARG1} + 0${ARG1}]", "0" }, /* All arguments are correctly masked */
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{ "Set", "LOCAL(foo)=5" },
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{ NULL, "${foo}", "5" }, /* LOCAL() set a variable correctly */
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{ NULL, "${LOCAL_PEEK(0,ARG1)}", "" }, /* LOCAL_PEEK() arguments work correctly */
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{ NULL, "${LOCAL_PEEK(4,ARG1)}", "4" }, /* LOCAL_PEEK() arguments work correctly */
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{ NULL, "$[0${LOCAL_PEEK(3,ARG1)} + 0${LOCAL_PEEK(5,ARG1)}]", "8" },
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{ "StackPop", "" },
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{ NULL, "${foo}", "" }, /* StackPop removed the variable set with LOCAL() */
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{ "Return", "7" },
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{ NULL, "${GOSUB_RETVAL}", "7" }, /* Return sets a return value correctly */
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{ NULL, "$[0${GOSUB_RETVAL} + 0${ARG1}]", "9" }, /* Two frames less means ARG1 should have 2 */
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};
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switch (cmd) {
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case TEST_INIT:
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info->name = "gosub application";
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info->category = "/apps/app_gosub/";
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info->summary = "Verify functionality of gosub application";
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info->description =
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"Verify functionality of gosub application";
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return AST_TEST_NOT_RUN;
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case TEST_EXECUTE:
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break;
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}
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if (!(chan = ast_dummy_channel_alloc())) {
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ast_test_status_update(test, "Unable to allocate dummy channel\n");
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return AST_TEST_FAIL;
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}
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if (!(str = ast_str_create(16))) {
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ast_test_status_update(test, "Unable to allocate dynamic string buffer\n");
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ast_channel_unref(chan);
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return AST_TEST_FAIL;
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}
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/* Create our test dialplan */
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if (!ast_context_find_or_create(NULL, NULL, CONTEXT_NAME, "test_gosub")) {
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ast_test_status_update(test, "Unable to create test dialplan context");
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ast_free(str);
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ast_channel_unref(chan);
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return AST_TEST_FAIL;
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}
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ast_add_extension(CONTEXT_NAME, 1, "s", 1, NULL, NULL, "NoOp", ast_strdup(""), ast_free_ptr, "test_gosub");
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for (i = 0; i < ARRAY_LEN(testplan); i++) {
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if (testplan[i].app == NULL) {
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/* Evaluation */
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ast_str_substitute_variables(&str, 0, chan, testplan[i].args);
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if (strcmp(ast_str_buffer(str), testplan[i].expected_value)) {
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ast_test_status_update(test, "Evaluation of '%s' returned '%s' instead of the expected value '%s'\n",
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testplan[i].args, ast_str_buffer(str), testplan[i].expected_value);
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res = AST_TEST_FAIL;
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}
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} else {
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/* Run application */
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intptr_t exec_res;
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struct ast_app *app = pbx_findapp(testplan[i].app);
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if (!app) {
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ast_test_status_update(test, "Could not find '%s' in application listing!\n", testplan[i].app);
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res = AST_TEST_FAIL;
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break;
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}
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if ((exec_res = pbx_exec(chan, app, testplan[i].args)) && ((const char *) exec_res != testplan[i].expected_value)) {
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ast_test_status_update(test, "Application '%s' exited abnormally (with code %d)\n", testplan[i].app, (int) exec_res);
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res = AST_TEST_FAIL;
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break;
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}
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}
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}
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ast_free(str);
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ast_channel_unref(chan);
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ast_context_remove_extension(CONTEXT_NAME, "s", 1, NULL);
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ast_context_destroy(NULL, "test_gosub");
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return res;
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}
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static int unload_module(void)
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{
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AST_TEST_UNREGISTER(test_gosub);
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return 0;
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}
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static int load_module(void)
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{
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AST_TEST_REGISTER(test_gosub);
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return AST_MODULE_LOAD_SUCCESS;
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}
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AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Gosub Tests");
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