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/* Copyright (c) 2002-2016 Pigeonhole authors, see the included COPYING file
*/
#include "lib.h"
#include "str-sanitize.h"
#include "mail-storage.h"
#include "mail-namespace.h"
#include "sieve-common.h"
#include "sieve-actions.h"
#include "sieve-extensions.h"
#include "sieve-commands.h"
#include "sieve-stringlist.h"
#include "sieve-code.h"
#include "sieve-validator.h"
#include "sieve-generator.h"
#include "sieve-interpreter.h"
#include "sieve-dump.h"
#include "ext-mailbox-common.h"
/*
* Mailboxexists command
*
* Syntax:
* mailboxexists <mailbox-names: string-list>
*/
static bool tst_mailboxexists_validate
(struct sieve_validator *valdtr, struct sieve_command *tst);
static bool tst_mailboxexists_generate
(const struct sieve_codegen_env *cgenv, struct sieve_command *ctx);
const struct sieve_command_def mailboxexists_test = {
.identifier = "mailboxexists",
.type = SCT_TEST,
.positional_args = 1,
.subtests = 0,
.block_allowed = FALSE,
.block_required = FALSE,
.validate = tst_mailboxexists_validate,
.generate = tst_mailboxexists_generate
};
/*
* Mailboxexists operation
*/
static bool tst_mailboxexists_operation_dump
(const struct sieve_dumptime_env *denv, sieve_size_t *address);
static int tst_mailboxexists_operation_execute
(const struct sieve_runtime_env *renv, sieve_size_t *address);
const struct sieve_operation_def mailboxexists_operation = {
.mnemonic = "MAILBOXEXISTS",
.ext_def = &mailbox_extension,
.dump = tst_mailboxexists_operation_dump,
.execute = tst_mailboxexists_operation_execute
};
/*
* Test validation
*/
struct _validate_context {
struct sieve_validator *valdtr;
struct sieve_command *tst;
};
static int tst_mailboxexists_mailbox_validate
(void *context, struct sieve_ast_argument *arg)
{
struct _validate_context *valctx =
(struct _validate_context *)context;
if ( sieve_argument_is_string_literal(arg) ) {
const char *mailbox = sieve_ast_argument_strc(arg), *error;
if ( !sieve_mailbox_check_name(mailbox, &error) ) {
sieve_argument_validate_warning
(valctx->valdtr, arg, "%s test: "
"invalid mailbox name `%s' specified: %s",
sieve_command_identifier(valctx->tst),
str_sanitize(mailbox, 256), error);
}
}
return 1;
}
static bool tst_mailboxexists_validate
(struct sieve_validator *valdtr, struct sieve_command *tst)
{
struct sieve_ast_argument *arg = tst->first_positional;
struct sieve_ast_argument *aarg;
struct _validate_context valctx;
if ( !sieve_validate_positional_argument
(valdtr, tst, arg, "mailbox-names", 1, SAAT_STRING_LIST) ) {
return FALSE;
}
if ( !sieve_validator_argument_activate(valdtr, tst, arg, FALSE) )
return FALSE;
aarg = arg;
memset(&valctx, 0, sizeof(valctx));
valctx.valdtr = valdtr;
valctx.tst = tst;
return ( sieve_ast_stringlist_map(&aarg,
(void*)&valctx, tst_mailboxexists_mailbox_validate) >= 0 );
}
/*
* Test generation
*/
static bool tst_mailboxexists_generate
(const struct sieve_codegen_env *cgenv, struct sieve_command *tst)
{
sieve_operation_emit(cgenv->sblock, tst->ext, &mailboxexists_operation);
/* Generate arguments */
return sieve_generate_arguments(cgenv, tst, NULL);
}
/*
* Code dump
*/
static bool tst_mailboxexists_operation_dump
(const struct sieve_dumptime_env *denv, sieve_size_t *address)
{
sieve_code_dumpf(denv, "MAILBOXEXISTS");
sieve_code_descend(denv);
return
sieve_opr_stringlist_dump(denv, address, "mailbox-names");
}
/*
* Code execution
*/
static int tst_mailboxexists_operation_execute
(const struct sieve_runtime_env *renv, sieve_size_t *address)
{
struct sieve_stringlist *mailbox_names;
string_t *mailbox_item;
bool trace = FALSE;
bool all_exist = TRUE;
int ret;
/*
* Read operands
*/
/* Read notify uris */
if ( (ret=sieve_opr_stringlist_read
(renv, address, "mailbox-names", &mailbox_names)) <= 0 )
return ret;
/*
* Perform operation
*/
if ( sieve_runtime_trace_active(renv, SIEVE_TRLVL_TESTS) ) {
sieve_runtime_trace(renv, 0, "mailboxexists test");
sieve_runtime_trace_descend(renv);
trace = sieve_runtime_trace_active(renv, SIEVE_TRLVL_MATCHING);
}
if ( renv->scriptenv->user != NULL ) {
int ret;
mailbox_item = NULL;
while ( (ret=sieve_stringlist_next_item(mailbox_names, &mailbox_item)) > 0 )
{
struct mail_namespace *ns;
const char *mailbox = str_c(mailbox_item);
struct mailbox *box;
/* Find the namespace */
ns = mail_namespace_find(renv->scriptenv->user->namespaces, mailbox);
if ( ns == NULL) {
if ( trace ) {
sieve_runtime_trace(renv, 0, "mailbox `%s' not found",
str_sanitize(mailbox, 80));
}
all_exist = FALSE;
break;
}
/* Open the box */
box = mailbox_alloc(ns->list, mailbox, 0);
if ( mailbox_open(box) < 0 ) {
if ( trace ) {
sieve_runtime_trace(renv, 0, "mailbox `%s' cannot be opened",
str_sanitize(mailbox, 80));
}
all_exist = FALSE;
mailbox_free(&box);
break;
}
/* Also fail when it is readonly */
if ( mailbox_is_readonly(box) ) {
if ( trace ) {
sieve_runtime_trace(renv, 0, "mailbox `%s' is read-only",
str_sanitize(mailbox, 80));
}
all_exist = FALSE;
mailbox_free(&box);
break;
}
/* FIXME: check acl for 'p' or 'i' ACL permissions as required by RFC */
if ( trace ) {
sieve_runtime_trace(renv, 0, "mailbox `%s' exists",
str_sanitize(mailbox, 80));
}
/* Close mailbox */
mailbox_free(&box);
}
if ( ret < 0 ) {
sieve_runtime_trace_error(renv, "invalid mailbox name item");
return SIEVE_EXEC_BIN_CORRUPT;
}
}
if ( trace ) {
if ( all_exist )
sieve_runtime_trace(renv, 0, "all mailboxes are available");
else
sieve_runtime_trace(renv, 0, "some mailboxes are unavailable");
}
sieve_interpreter_set_test_result(renv->interp, all_exist);
return SIEVE_EXEC_OK;
}
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