#include "lib.h"
#include "str-sanitize.h"
#include "sieve-common.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-code-dumper.h"
static bool tst_exists_validate
(struct sieve_validator *valdtr, struct sieve_command *tst);
static bool tst_exists_generate
(const struct sieve_codegen_env *cgenv, struct sieve_command *tst);
const struct sieve_command_def tst_exists = {
"exists",
SCT_TEST,
1, 0, FALSE, FALSE,
NULL,
NULL,
tst_exists_validate,
NULL,
tst_exists_generate,
NULL
};
static bool tst_exists_operation_dump
(const struct sieve_dumptime_env *denv, sieve_size_t *address);
static int tst_exists_operation_execute
(const struct sieve_runtime_env *renv, sieve_size_t *address);
const struct sieve_operation_def tst_exists_operation = {
"EXISTS",
NULL,
SIEVE_OPERATION_EXISTS,
tst_exists_operation_dump,
tst_exists_operation_execute
};
static bool tst_exists_validate
(struct sieve_validator *valdtr, struct sieve_command *tst)
{
struct sieve_ast_argument *arg = tst->first_positional;
if ( !sieve_validate_positional_argument
(valdtr, tst, arg, "header names", 1, SAAT_STRING_LIST) ) {
return FALSE;
}
if ( !sieve_validator_argument_activate(valdtr, tst, arg, FALSE) )
return FALSE;
return sieve_command_verify_headers_argument(valdtr, arg);
}
static bool tst_exists_generate
(const struct sieve_codegen_env *cgenv, struct sieve_command *tst)
{
sieve_operation_emit(cgenv->sblock, NULL, &tst_exists_operation);
return sieve_generate_arguments(cgenv, tst, NULL);
}
static bool tst_exists_operation_dump
(const struct sieve_dumptime_env *denv, sieve_size_t *address)
{
sieve_code_dumpf(denv, "EXISTS");
sieve_code_descend(denv);
return sieve_opr_stringlist_dump(denv, address, "header names");
}
static int tst_exists_operation_execute
(const struct sieve_runtime_env *renv, sieve_size_t *address)
{
struct sieve_stringlist *hdr_list;
string_t *hdr_item;
bool matched;
int ret;
if ( (ret=sieve_opr_stringlist_read(renv, address, "header-list", &hdr_list))
<= 0 )
return ret;
sieve_runtime_trace(renv, SIEVE_TRLVL_TESTS, "exists test");
sieve_runtime_trace_descend(renv);
hdr_item = NULL;
matched = TRUE;
while ( matched &&
(ret=sieve_stringlist_next_item(hdr_list, &hdr_item)) > 0 ) {
const char *const *headers;
if ( mail_get_headers
(renv->msgdata->mail, str_c(hdr_item), &headers) < 0 ||
headers[0] == NULL ) {
matched = FALSE;
}
sieve_runtime_trace(renv, SIEVE_TRLVL_MATCHING,
"header `%s' %s", str_sanitize(str_c(hdr_item), 80),
( matched ? "exists" : "is missing" ));
}
if ( matched )
sieve_runtime_trace(renv, SIEVE_TRLVL_MATCHING, "all headers exist");
else
sieve_runtime_trace(renv, SIEVE_TRLVL_MATCHING, "headers are missing");
if ( ret >= 0 ) {
sieve_interpreter_set_test_result(renv->interp, matched);
return SIEVE_EXEC_OK;
}
sieve_runtime_trace_error(renv, "invalid header-list item");
return SIEVE_EXEC_BIN_CORRUPT;
}