bool sieve_extprogram_command_validate
(struct sieve_validator *valdtr, struct sieve_command *cmd)
{
struct sieve_ast_argument *arg = cmd->first_positional;
struct sieve_ast_argument *stritem;
struct _arg_validate_context actx;
string_t *program_name;
if ( arg == NULL ) {
sieve_command_validate_error(valdtr, cmd,
"the %s %s expects at least one positional argument, but none was found",
sieve_command_identifier(cmd), sieve_command_type_name(cmd));
return FALSE;
}
/* <program-name: string> argument */
if ( !sieve_validate_positional_argument
(valdtr, cmd, arg, "program-name", 1, SAAT_STRING) ) {
return FALSE;
}
if ( !sieve_validator_argument_activate(valdtr, cmd, arg, FALSE) )
return FALSE;
/* Variables are not allowed */
if ( !sieve_argument_is_string_literal(arg) ) {
sieve_argument_validate_error(valdtr, arg,
"the %s %s requires a constant string "
"for its program-name argument",
sieve_command_identifier(cmd), sieve_command_type_name(cmd));
return FALSE;
}
/* Check program name */
program_name = sieve_ast_argument_str(arg);
if ( !sieve_extprogram_name_is_valid(program_name) ) {
sieve_argument_validate_error(valdtr, arg,
"%s %s: invalid program name '%s'",
sieve_command_identifier(cmd), sieve_command_type_name(cmd),
str_sanitize(str_c(program_name), 80));
return FALSE;
}
/* Optional <arguments: string-list> argument */
arg = sieve_ast_argument_next(arg);
if ( arg == NULL )
return TRUE;
if ( !sieve_validate_positional_argument
(valdtr, cmd, arg, "arguments", 2, SAAT_STRING_LIST) ) {
return FALSE;
}
if ( !sieve_validator_argument_activate(valdtr, cmd, arg, FALSE) )
return FALSE;
/* Check arguments */
actx.valdtr = valdtr;
actx.cmd = cmd;
stritem = arg;
if ( sieve_ast_stringlist_map
(&stritem, (void *)&actx, _arg_validate) <= 0 ) {
return FALSE;
}
if ( sieve_ast_argument_next(arg) != NULL ) {
sieve_command_validate_error(valdtr, cmd,
"the %s %s expects at most two positional arguments, but more were found",
sieve_command_identifier(cmd), sieve_command_type_name(cmd));
return FALSE;
}
return TRUE;
}
bool ext_enotify_compile_check_arguments
(struct sieve_validator *valdtr, struct sieve_command *cmd,
struct sieve_ast_argument *uri_arg, struct sieve_ast_argument *msg_arg,
struct sieve_ast_argument *from_arg, struct sieve_ast_argument *options_arg)
{
const struct sieve_extension *this_ext = cmd->ext;
struct sieve_instance *svinst = this_ext->svinst;
const char *uri = sieve_ast_argument_strc(uri_arg);
const char *scheme;
const struct sieve_enotify_method *method;
struct sieve_enotify_env nenv;
bool result = TRUE;
/* If the uri string is not a constant literal, we cannot determine which
* method is used, so we bail out successfully and defer checking to runtime.
*/
if ( !sieve_argument_is_string_literal(uri_arg) )
return TRUE;
/* Parse scheme part of URI */
if ( (scheme=ext_enotify_uri_scheme_parse(&uri)) == NULL ) {
sieve_argument_validate_error(valdtr, uri_arg,
"notify command: invalid scheme part for method URI '%s'",
str_sanitize(sieve_ast_argument_strc(uri_arg), 80));
return FALSE;
}
/* Find used method with the parsed scheme identifier */
if ( (method=ext_enotify_method_find(this_ext, scheme)) == NULL ) {
sieve_argument_validate_error(valdtr, uri_arg,
"notify command: invalid method '%s'", scheme);
return FALSE;
}
if ( method->def == NULL ) return TRUE;
/* Compose log structure */
memset(&nenv, 0, sizeof(nenv));
nenv.svinst = svinst;
nenv.method = method;
/* Check URI itself */
if ( result && method->def->compile_check_uri != NULL ) {
/* Set log location to location of URI argument */
nenv.ehandler = sieve_prefix_ehandler_create
(sieve_validator_error_handler(valdtr),
sieve_error_script_location
(sieve_validator_script(valdtr), uri_arg->source_line),
"notify command");
/* Execute method check function */
result = method->def->compile_check_uri
(&nenv, sieve_ast_argument_strc(uri_arg), uri);
}
/* Check :message argument */
if ( result && msg_arg != NULL && sieve_argument_is_string_literal(msg_arg)
&& method->def->compile_check_message != NULL ) {
/* Set log location to location of :message argument */
sieve_error_handler_unref(&nenv.ehandler);
nenv.ehandler = sieve_prefix_ehandler_create
(sieve_validator_error_handler(valdtr),
sieve_error_script_location
(sieve_validator_script(valdtr), msg_arg->source_line),
"notify command");
/* Execute method check function */
result = method->def->compile_check_message
(&nenv, sieve_ast_argument_str(msg_arg));
}
/* Check :from argument */
if ( result && from_arg != NULL && sieve_argument_is_string_literal(from_arg)
&& method->def->compile_check_from != NULL ) {
/* Set log location to location of :from argument */
sieve_error_handler_unref(&nenv.ehandler);
nenv.ehandler = sieve_prefix_ehandler_create
(sieve_validator_error_handler(valdtr),
sieve_error_script_location
(sieve_validator_script(valdtr), from_arg->source_line),
"notify command");
/* Execute method check function */
result = method->def->compile_check_from
(&nenv, sieve_ast_argument_str(from_arg));
}
sieve_error_handler_unref(&nenv.ehandler);
/* Check :options argument */
if ( result && options_arg != NULL ) {
struct sieve_ast_argument *option = options_arg;
struct _ext_enotify_option_check_context optn_context =
{ svinst, valdtr, method };
/* Parse and check options */
result = ( sieve_ast_stringlist_map
(&option, (void *) &optn_context, _ext_enotify_option_check) > 0 );
/* Discard argument if options are not accepted by method */
if ( result && method->def->compile_check_option == NULL ) {
sieve_argument_validate_warning(valdtr, options_arg,
"notify command: method '%s' accepts no options", scheme);
(void)sieve_ast_arguments_detach(options_arg,1);
}
}
return result;
}