CLI: Enable automatic references to modules.
* Pass module to ast_cli_register and ast_cli_register_multiple. * Add a module reference before executing any CLI callback, remove the reference when complete. ASTERISK-25049 #close Reported by: Corey Farrell Change-Id: I7aafc7c9f2b912918f28fe51d51e9e8a755750e3
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@ -177,7 +177,7 @@ struct ast_cli_entry {
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const char * usage; /*!< Detailed usage information */
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int inuse; /*!< For keeping track of usage */
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struct module *module; /*!< module this belongs to */
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struct ast_module *module; /*!< module this belongs to */
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char *_full_cmd; /*!< built at load time from cmda[] */
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int cmdlen; /*!< len up to the first invalid char [<{% */
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/*! \brief This gets set in ast_cli_register()
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@ -253,14 +253,19 @@ int ast_cli_command_multiple_full(int uid, int gid, int fd, size_t size, const c
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* \retval 0 on success
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* \retval -1 on failure
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*/
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int ast_cli_register(struct ast_cli_entry *e);
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#define ast_cli_register(e) __ast_cli_register(e, AST_MODULE_SELF)
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int __ast_cli_register(struct ast_cli_entry *e, struct ast_module *mod);
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/*!
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* \brief Register multiple commands
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* \param e pointer to first cli entry to register
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* \param len number of entries to register
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*/
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int ast_cli_register_multiple(struct ast_cli_entry *e, int len);
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#define ast_cli_register_multiple(e, len) \
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__ast_cli_register_multiple(e, len, AST_MODULE_SELF)
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int __ast_cli_register_multiple(struct ast_cli_entry *e, int len, struct ast_module *mod);
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/*!
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* \brief Unregisters a command or an array of commands
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31
main/cli.c
31
main/cli.c
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@ -2203,7 +2203,7 @@ static int cli_is_registered(struct ast_cli_entry *e)
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return 0;
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}
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static int __ast_cli_unregister(struct ast_cli_entry *e, struct ast_cli_entry *ed)
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int ast_cli_unregister(struct ast_cli_entry *e)
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{
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if (e->inuse) {
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ast_log(LOG_WARNING, "Can't remove command that is in use\n");
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@ -2225,7 +2225,7 @@ static int __ast_cli_unregister(struct ast_cli_entry *e, struct ast_cli_entry *e
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return 0;
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}
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static int __ast_cli_register(struct ast_cli_entry *e, struct ast_cli_entry *ed)
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int __ast_cli_register(struct ast_cli_entry *e, struct ast_module *module)
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{
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struct ast_cli_entry *cur;
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int i, lf, ret = -1;
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@ -2244,7 +2244,11 @@ static int __ast_cli_register(struct ast_cli_entry *e, struct ast_cli_entry *ed)
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}
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memset(&a, '\0', sizeof(a));
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e->module = module;
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/* No module reference needed here, the module called us. */
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e->handler(e, CLI_INIT, &a);
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/* XXX check that usage and command are filled up */
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s = ast_skip_blanks(e->command);
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s = e->command = ast_strdup(s);
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@ -2295,27 +2299,16 @@ done:
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return ret;
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}
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/* wrapper function, so we can unregister deprecated commands recursively */
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int ast_cli_unregister(struct ast_cli_entry *e)
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{
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return __ast_cli_unregister(e, NULL);
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}
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/* wrapper function, so we can register deprecated commands recursively */
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int ast_cli_register(struct ast_cli_entry *e)
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{
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return __ast_cli_register(e, NULL);
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}
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/*
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* register/unregister an array of entries.
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*/
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int ast_cli_register_multiple(struct ast_cli_entry *e, int len)
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int __ast_cli_register_multiple(struct ast_cli_entry *e, int len, struct ast_module *module)
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{
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int i, res = 0;
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for (i = 0; i < len; i++)
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res |= ast_cli_register(e + i);
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for (i = 0; i < len; i++) {
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res |= __ast_cli_register(e + i, module);
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}
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return res;
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}
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@ -2657,7 +2650,9 @@ static char *__ast_cli_generator(const char *text, const char *word, int state,
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.n = state - matchnum,
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.argv = argv,
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.argc = x};
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ast_module_ref(e->module);
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ret = e->handler(e, CLI_GENERATE, &a);
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ast_module_unref(e->module);
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}
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if (ret)
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break;
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@ -2714,7 +2709,9 @@ int ast_cli_command_full(int uid, int gid, int fd, const char *s)
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*/
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args[0] = (char *)e;
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ast_module_ref(e->module);
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retval = e->handler(e, CLI_HANDLER, &a);
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ast_module_unref(e->module);
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if (retval == CLI_SHOWUSAGE) {
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ast_cli(fd, "%s", S_OR(e->usage, "Invalid usage, but no usage information available.\n"));
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@ -156,8 +156,6 @@ static char *handle_orig(struct ast_cli_entry *e, int cmd, struct ast_cli_args *
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"used. If no extension is given, the 's' extension will be used.\n";
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return NULL;
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case CLI_GENERATE:
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/* ugly, can be removed when CLI entries have ast_module pointers */
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ast_module_ref(ast_module_info->self);
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if (a->pos == 3) {
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res = ast_cli_complete(a->word, choices, a->n);
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} else if (a->pos == 4) {
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@ -165,16 +163,12 @@ static char *handle_orig(struct ast_cli_entry *e, int cmd, struct ast_cli_args *
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res = ast_complete_applications(a->line, a->word, a->n);
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}
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}
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ast_module_unref(ast_module_info->self);
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return res;
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}
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if (ast_strlen_zero(a->argv[2]) || ast_strlen_zero(a->argv[3]))
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return CLI_SHOWUSAGE;
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/* ugly, can be removed when CLI entries have ast_module pointers */
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ast_module_ref(ast_module_info->self);
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if (!strcasecmp("application", a->argv[3])) {
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res = orig_app(a->fd, a->argv[2], a->argv[4], a->argv[5]);
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} else if (!strcasecmp("extension", a->argv[3])) {
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@ -183,8 +177,6 @@ static char *handle_orig(struct ast_cli_entry *e, int cmd, struct ast_cli_args *
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res = CLI_SHOWUSAGE;
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}
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ast_module_unref(ast_module_info->self);
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return res;
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}
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@ -88,9 +88,6 @@ static char *handle_cli_file_convert(struct ast_cli_entry *e, int cmd, struct as
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return NULL;
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}
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/* ugly, can be removed when CLI entries have ast_module pointers */
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ast_module_ref(ast_module_info->self);
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if (a->argc != 4 || ast_strlen_zero(a->argv[2]) || ast_strlen_zero(a->argv[3])) {
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ret = CLI_SHOWUSAGE;
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goto fail_out;
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@ -142,8 +139,6 @@ fail_out:
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if (fs_in)
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ast_closestream(fs_in);
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ast_module_unref(ast_module_info->self);
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return ret;
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}
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@ -103,7 +103,7 @@ static char var_dir[PATH_MAX];
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const char *ast_config_AST_CONFIG_DIR = config_dir;
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const char *ast_config_AST_VAR_DIR = var_dir;
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void ast_cli_register_multiple(void);
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void __ast_cli_register_multiple(void);
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int ast_add_extension2(struct ast_context *con,
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int replace, const char *extension, int priority, const char *label, const char *callerid,
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const char *application, void *data, void (*datad)(void *),
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@ -208,7 +208,7 @@ void ast_module_unregister(const struct ast_module_info *x)
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}
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void ast_cli_register_multiple(void)
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void __ast_cli_register_multiple(void)
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{
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if(!no_comp)
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printf("Executed ast_cli_register_multiple();\n");
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@ -21,8 +21,8 @@ int ast_register_cleanup(void (*func)(void))
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return 0;
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}
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int ast_cli_register_multiple(struct ast_cli_entry *e, int len);
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int ast_cli_register_multiple(struct ast_cli_entry *e, int len)
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int __ast_cli_register_multiple(struct ast_cli_entry *e, int len);
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int __ast_cli_register_multiple(struct ast_cli_entry *e, int len)
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{
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return 0;
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}
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@ -605,9 +605,9 @@ struct ast_context *ast_context_find_or_create(struct ast_context **extcontexts,
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return localized_context_find_or_create(extcontexts, exttable, name, registrar);
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}
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void ast_cli_register_multiple(void);
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void __ast_cli_register_multiple(void);
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void ast_cli_register_multiple(void)
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void __ast_cli_register_multiple(void)
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{
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}
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