const char *ext_enotify_runtime_get_method_capability
(const struct sieve_runtime_env *renv,
string_t *method_uri, const char *capability)
{
const struct sieve_enotify_method *method;
const char *uri_body;
const char *result = NULL;
/* Get method */
method = ext_enotify_get_method(renv, method_uri, &uri_body);
if ( method == NULL ) return NULL;
/* Get requested capability */
if ( method->def != NULL &&
method->def->runtime_get_method_capability != NULL ) {
struct sieve_enotify_env nenv;
memset(&nenv, 0, sizeof(nenv));
nenv.svinst = renv->svinst;
nenv.method = method;
nenv.ehandler = sieve_prefix_ehandler_create
(renv->ehandler, sieve_runtime_get_full_command_location(renv),
"notify_method_capability test");
/* Execute method function to acquire capability value */
result = method->def->runtime_get_method_capability
(&nenv, str_c(method_uri), uri_body, capability);
sieve_error_handler_unref(&nenv.ehandler);
}
return result;
}
bool cmd_setactive(struct client_command_context *cmd)
{
struct client *client = cmd->client;
struct sieve_storage *storage = client->storage;
const char *scriptname;
struct sieve_script *script;
int ret;
/* <scriptname> */
if ( !client_read_string_args(cmd, TRUE, 1, &scriptname) )
return FALSE;
/* Activate, or .. */
if ( *scriptname != '\0' ) {
string_t *errors = NULL;
const char *errormsg = NULL;
bool warnings = FALSE;
bool success = TRUE;
script = sieve_storage_open_script
(storage, scriptname, NULL);
if ( script == NULL ) {
client_send_storage_error(client, storage);
return TRUE;
}
if ( sieve_script_is_active(script) <= 0 ) {
/* Script is first being activated; compile it again without the UPLOAD
* flag.
*/
T_BEGIN {
struct sieve_error_handler *ehandler;
enum sieve_compile_flags cpflags =
SIEVE_COMPILE_FLAG_NOGLOBAL | SIEVE_COMPILE_FLAG_ACTIVATED;
struct sieve_binary *sbin;
enum sieve_error error;
/* Prepare error handler */
errors = str_new(default_pool, 1024);
ehandler = sieve_strbuf_ehandler_create(client->svinst, errors, TRUE,
client->set->managesieve_max_compile_errors);
/* Compile */
if ( (sbin=sieve_compile_script
(script, ehandler, cpflags, &error)) == NULL ) {
if (error != SIEVE_ERROR_NOT_VALID) {
errormsg = sieve_script_get_last_error(script, &error);
if ( error == SIEVE_ERROR_NONE )
errormsg = NULL;
}
success = FALSE;
} else {
sieve_close(&sbin);
}
warnings = ( sieve_get_warnings(ehandler) > 0 );
sieve_error_handler_unref(&ehandler);
} T_END;
}
static int
cmd_sieve_activate_run(struct doveadm_sieve_cmd_context *_ctx)
{
struct doveadm_sieve_activate_cmd_context *ctx =
(struct doveadm_sieve_activate_cmd_context *)_ctx;
struct sieve_storage *storage = _ctx->storage;
struct sieve_script *script;
enum sieve_error error;
int ret = 0;
script = sieve_storage_open_script
(storage, ctx->scriptname, NULL);
if ( script == NULL ) {
i_error("Failed to activate Sieve script: %s",
sieve_storage_get_last_error(storage, &error));
doveadm_sieve_cmd_failed_error(_ctx, error);
return -1;
}
if ( sieve_script_is_active(script) <= 0 ) {
/* Script is first being activated; compile it again without the UPLOAD
* flag.
*/
struct sieve_error_handler *ehandler;
enum sieve_compile_flags cpflags =
SIEVE_COMPILE_FLAG_NOGLOBAL | SIEVE_COMPILE_FLAG_ACTIVATED;
struct sieve_binary *sbin;
enum sieve_error error;
/* Compile */
ehandler = sieve_master_ehandler_create(ctx->ctx.svinst, NULL, 0);
if ( (sbin=sieve_compile_script
(script, ehandler, cpflags, &error)) == NULL ) {
doveadm_sieve_cmd_failed_error(_ctx, error);
ret = -1;
} else {
sieve_close(&sbin);
}
sieve_error_handler_unref(&ehandler);
}
/* Activate only when script is valid (or already active) */
if ( ret == 0 ) {
/* Refresh activation no matter what; this can also resolve some erroneous
* situations.
*/
ret = sieve_script_activate(script, (time_t)-1);
if ( ret < 0 ) {
i_error("Failed to activate Sieve script: %s",
sieve_storage_get_last_error(storage, &error));
doveadm_sieve_cmd_failed_error(_ctx, error);
ret = -1;
}
}
sieve_script_unref(&script);
return ret;
}
struct sieve_binary *sieve_tool_script_open
(struct sieve_instance *svinst, const char *filename)
{
struct sieve_error_handler *ehandler;
struct sieve_binary *sbin;
ehandler = sieve_stderr_ehandler_create(svinst, 0);
sieve_error_handler_accept_infolog(ehandler, TRUE);
if ( (sbin = sieve_open
(svinst, filename, NULL, ehandler, 0, NULL)) == NULL ) {
sieve_error_handler_unref(&ehandler);
i_fatal("failed to compile sieve script");
}
sieve_error_handler_unref(&ehandler);
sieve_save(sbin, FALSE, NULL);
return sbin;
}
static int _ext_enotify_option_check
(void *context, struct sieve_ast_argument *arg)
{
struct _ext_enotify_option_check_context *optn_context =
(struct _ext_enotify_option_check_context *) context;
struct sieve_validator *valdtr = optn_context->valdtr;
const struct sieve_enotify_method *method = optn_context->method;
struct sieve_enotify_env nenv;
const char *option = sieve_ast_argument_strc(arg);
const char *opt_name = NULL, *opt_value = NULL;
bool check = TRUE;
int result = 1;
/* Compose log structure */
memset(&nenv, 0, sizeof(nenv));
nenv.svinst = optn_context->svinst;
nenv.method = method;
nenv.ehandler = sieve_prefix_ehandler_create
(sieve_validator_error_handler(valdtr),
sieve_error_script_location
(sieve_validator_script(valdtr), arg->source_line),
"notify command");
/* Parse option */
if ( !sieve_argument_is_string_literal(arg) ) {
/* Variable string: partial option parse
*
* If the string item is not a string literal, it cannot be validated fully
* at compile time. We can however check whether the '=' is in the string
* specification and whether the part before the '=' is a valid option name.
* In that case, the method option check function is called with the value
* parameter equal to NULL, meaning that it should only check the validity
* of the option itself and not the assigned value.
*/
if ( !ext_enotify_option_parse(NULL, option, TRUE, &opt_name, &opt_value) )
check = FALSE;
} else {
/* Literal string: full option parse */
if ( !ext_enotify_option_parse
(&nenv, option, FALSE, &opt_name, &opt_value) )
result = -1;
}
/* Call method's option check function */
if ( result > 0 && check && method->def != NULL &&
method->def->compile_check_option != NULL ) {
result = ( method->def->compile_check_option
(&nenv, opt_name, opt_value) ? 1 : -1 );
}
sieve_error_handler_unref(&nenv.ehandler);
return result;
}
void sieve_generator_free(struct sieve_generator **gentr)
{
sieve_ast_unref(&(*gentr)->genenv.ast);
sieve_error_handler_unref(&(*gentr)->ehandler);
sieve_binary_debug_writer_deinit(&(*gentr)->dwriter);
if ( (*gentr)->genenv.sbin != NULL )
sieve_binary_unref(&(*gentr)->genenv.sbin);
pool_unref(&((*gentr)->pool));
*gentr = NULL;
}
void imap_sieve_deinit(struct imap_sieve **_isieve)
{
struct imap_sieve *isieve = *_isieve;
*_isieve = NULL;
sieve_error_handler_unref(&isieve->master_ehandler);
if (isieve->storage != NULL)
sieve_storage_unref(&isieve->storage);
sieve_extension_unregister(isieve->ext_imapsieve);
sieve_deinit(&isieve->svinst);
duplicate_deinit(&isieve->dup_ctx);
pool_unref(&isieve->pool);
}
struct sieve_binary *sieve_tool_script_compile
(struct sieve_instance *svinst, const char *filename, const char *name)
{
struct sieve_error_handler *ehandler;
struct sieve_binary *sbin;
ehandler = sieve_stderr_ehandler_create(svinst, 0);
sieve_error_handler_accept_infolog(ehandler, TRUE);
sieve_error_handler_accept_debuglog(ehandler, svinst->debug);
if ( (sbin = sieve_compile
(svinst, filename, name, ehandler, 0, NULL)) == NULL )
i_error("failed to compile sieve script '%s'", filename);
sieve_error_handler_unref(&ehandler);
return sbin;
}
bool ext_enotify_runtime_method_validate
(const struct sieve_runtime_env *renv, string_t *method_uri)
{
const struct sieve_extension *this_ext = renv->oprtn->ext;
const struct sieve_enotify_method *method;
const char *uri = str_c(method_uri);
const char *scheme;
bool result = TRUE;
/* Get the method */
if ( (scheme=ext_enotify_uri_scheme_parse(&uri)) == NULL )
return FALSE;
if ( (method=ext_enotify_method_find(this_ext, scheme)) == NULL )
return FALSE;
/* Validate the provided URI */
if ( method->def != NULL && method->def->runtime_check_uri != NULL ) {
struct sieve_enotify_env nenv;
memset(&nenv, 0, sizeof(nenv));
nenv.svinst = renv->svinst;
nenv.method = method;
nenv.ehandler = sieve_prefix_ehandler_create
(renv->ehandler, sieve_runtime_get_full_command_location(renv),
"valid_notify_method test");
/* Use the method check function to validate the URI */
result = method->def->runtime_check_uri(&nenv, str_c(method_uri), uri);
sieve_error_handler_unref(&nenv.ehandler);
}
return result;
}
static bool cmd_putscript_finish_parsing(struct client_command_context *cmd)
{
struct client *client = cmd->client;
struct cmd_putscript_context *ctx = cmd->context;
const struct managesieve_arg *args;
int ret;
/* if error occurs, the CRLF is already read. */
client->input_skip_line = FALSE;
/* <script literal> */
ret = managesieve_parser_read_args(ctx->save_parser, 0, 0, &args);
if (ret == -1 || client->output->closed) {
if (ctx->storage != NULL)
client_send_command_error(cmd, NULL);
cmd_putscript_finish(ctx);
return TRUE;
}
if (ret < 0) {
/* need more data */
return FALSE;
}
if ( MANAGESIEVE_ARG_IS_EOL(&args[0]) ) {
struct sieve_script *script;
bool success = TRUE;
/* Eat away the trailing CRLF */
client->input_skip_line = TRUE;
/* Obtain script object for uploaded script */
script = sieve_storage_save_get_tempscript(ctx->save_ctx);
/* Check result */
if ( script == NULL ) {
client_send_storage_error(client, ctx->storage);
cmd_putscript_finish(ctx);
return TRUE;
}
/* If quoted string, the size was not known until now */
if ( ctx->script_size == 0 ) {
if (sieve_script_get_size(script, &ctx->script_size) < 0) {
client_send_storage_error(client, ctx->storage);
cmd_putscript_finish(ctx);
return TRUE;
}
/* Check quota; max size is already checked */
if ( ctx->scriptname != NULL && !managesieve_quota_check_all
(client, ctx->scriptname, ctx->script_size) ) {
cmd_putscript_finish(ctx);
return TRUE;
}
}
/* Try to compile script */
T_BEGIN {
struct sieve_error_handler *ehandler;
enum sieve_compile_flags cpflags =
SIEVE_COMPILE_FLAG_NOGLOBAL | SIEVE_COMPILE_FLAG_UPLOADED;
struct sieve_binary *sbin;
enum sieve_error error;
string_t *errors;
/* Mark this as an activation when we are replacing the active script */
if ( sieve_storage_save_will_activate(ctx->save_ctx) ) {
cpflags |= SIEVE_COMPILE_FLAG_ACTIVATED;
}
/* Prepare error handler */
errors = str_new(default_pool, 1024);
ehandler = sieve_strbuf_ehandler_create(client->svinst, errors, TRUE,
client->set->managesieve_max_compile_errors);
/* Compile */
if ( (sbin=sieve_compile_script
(script, ehandler, cpflags, &error)) == NULL ) {
if ( error != SIEVE_ERROR_NOT_VALID ) {
const char *errormsg =
sieve_script_get_last_error(script, &error);
if ( error != SIEVE_ERROR_NONE )
client_send_no(client, errormsg);
else
client_send_no(client, str_c(errors));
} else {
client_send_no(client, str_c(errors));
}
success = FALSE;
} else {
sieve_close(&sbin);
/* Commit to save only when this is a putscript command */
if ( ctx->scriptname != NULL ) {
ret = sieve_storage_save_commit(&ctx->save_ctx);
/* Check commit */
if (ret < 0) {
client_send_storage_error(client, ctx->storage);
success = FALSE;
}
}
}
/* Finish up */
cmd_putscript_finish(ctx);
/* Report result to user */
if ( success ) {
if ( ctx->scriptname != NULL ) {
client->put_count++;
client->put_bytes += ctx->script_size;
} else {
client->check_count++;
client->check_bytes += ctx->script_size;
}
if ( sieve_get_warnings(ehandler) > 0 )
client_send_okresp(client, "WARNINGS", str_c(errors));
else {
if ( ctx->scriptname != NULL )
client_send_ok(client, "PUTSCRIPT completed.");
else
client_send_ok(client, "Script checked successfully.");
}
}
sieve_error_handler_unref(&ehandler);
str_free(&errors);
} T_END;
return TRUE;
}
client_send_command_error(cmd, "Too many command arguments.");
cmd_putscript_finish(ctx);
return TRUE;
}
int ext_enotify_runtime_check_operands
(const struct sieve_runtime_env *renv,
string_t *method_uri, string_t *message, string_t *from,
struct sieve_stringlist *options,
const struct sieve_enotify_method **method_r, void **method_context)
{
const struct sieve_enotify_method *method;
const char *uri_body;
/* Get method */
method = ext_enotify_get_method(renv, method_uri, &uri_body);
if ( method == NULL ) return SIEVE_EXEC_FAILURE;
/* Check provided operands */
if ( method->def != NULL && method->def->runtime_check_operands != NULL ) {
struct sieve_enotify_env nenv;
int result = SIEVE_EXEC_OK;
memset(&nenv, 0, sizeof(nenv));
nenv.svinst = renv->svinst;
nenv.method = method;
nenv.ehandler = sieve_prefix_ehandler_create
(renv->ehandler, sieve_runtime_get_full_command_location(renv),
"notify action");
/* Execute check function */
if ( method->def->runtime_check_operands
(&nenv, str_c(method_uri), uri_body, message, from,
sieve_result_pool(renv->result), method_context) ) {
/* Check any provided options */
if ( options != NULL ) {
string_t *option = NULL;
int ret;
/* Iterate through all provided options */
while ( (ret=sieve_stringlist_next_item(options, &option)) > 0 ) {
const char *opt_name = NULL, *opt_value = NULL;
/* Parse option into <optionname> and <value> */
if ( ext_enotify_option_parse
(&nenv, str_c(option), FALSE, &opt_name, &opt_value) ) {
/* Set option */
if ( method->def->runtime_set_option != NULL ) {
(void) method->def->runtime_set_option
(&nenv, *method_context, opt_name, opt_value);
}
}
}
/* Check for binary corruptions encountered during string list iteration
*/
if ( ret >= 0 ) {
*method_r = method;
} else {
/* Binary corrupt */
sieve_runtime_trace_error
(renv, "invalid item in options string list");
result = SIEVE_EXEC_BIN_CORRUPT;
}
} else {
/* No options */
*method_r = method;
}
} else {
/* Operand check failed */
result = SIEVE_EXEC_FAILURE;
}
sieve_error_handler_unref(&nenv.ehandler);
return result;
}
/* No check function defined: a most unlikely situation */
*method_context = NULL;
*method_r = method;
return SIEVE_EXEC_OK;
}
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;
}
void sieve_errors_deinit(struct sieve_instance *svinst)
{
sieve_error_handler_unref(&svinst->system_ehandler);
}
