1 files changed, 304 insertions, 0 deletions
diff --git a/pigeonhole/src/lib-sieve/plugins/spamvirustest/tst-spamvirustest.c b/pigeonhole/src/lib-sieve/plugins/spamvirustest/tst-spamvirustest.c
new file mode 100644
index 0000000..26d051e
--- /dev/null
+++ b/pigeonhole/src/lib-sieve/plugins/spamvirustest/tst-spamvirustest.c
@@ -0,0 +1,304 @@
+/* Copyright (c) 2002-2018 Pigeonhole authors, see the included COPYING file
+ */
+
+#include "lib.h"
+
+#include "sieve-common.h"
+#include "sieve-extensions.h"
+#include "sieve-commands.h"
+#include "sieve-stringlist.h"
+#include "sieve-code.h"
+#include "sieve-comparators.h"
+#include "sieve-match-types.h"
+#include "sieve-address-parts.h"
+#include "sieve-validator.h"
+#include "sieve-generator.h"
+#include "sieve-interpreter.h"
+#include "sieve-dump.h"
+#include "sieve-match.h"
+
+#include "ext-spamvirustest-common.h"
+
+/*
+ * Tests
+ */
+
+static bool tst_spamvirustest_validate
+	(struct sieve_validator *valdtr, struct sieve_command *tst);
+static bool tst_spamvirustest_generate
+	(const struct sieve_codegen_env *cgenv, struct sieve_command *ctx);
+static bool tst_spamvirustest_registered
+	(struct sieve_validator *valdtr, const struct sieve_extension *ext,
+		struct sieve_command_registration *cmd_reg);
+
+/* Spamtest test
+ *
+ * Syntax:
+ *   spamtest [":percent"] [COMPARATOR] [MATCH-TYPE] <value: string>
+ */
+
+const struct sieve_command_def spamtest_test = {
+	.identifier = "spamtest",
+	.type = SCT_TEST,
+	.positional_args = 1,
+	.subtests = 0,
+	.block_allowed = FALSE,
+	.block_required = FALSE,
+	.registered = tst_spamvirustest_registered,
+	.validate = tst_spamvirustest_validate,
+	.generate = tst_spamvirustest_generate
+};
+
+/* Virustest test
+ *
+ * Syntax:
+ *   virustest [COMPARATOR] [MATCH-TYPE] <value: string>
+ */
+
+const struct sieve_command_def virustest_test = {
+	.identifier = "virustest",
+	.type = SCT_TEST,
+	.positional_args = 1,
+	.subtests = 0,
+	.block_allowed = FALSE,
+	.block_required = FALSE,
+	.registered = tst_spamvirustest_registered,
+	.validate = tst_spamvirustest_validate,
+	.generate = tst_spamvirustest_generate
+};
+
+/*
+ * Tagged arguments
+ */
+
+static bool tst_spamtest_validate_percent_tag
+	(struct sieve_validator *valdtr, struct sieve_ast_argument **arg,
+		struct sieve_command *tst);
+
+static const struct sieve_argument_def spamtest_percent_tag = {
+ 	.identifier = "percent",
+	.validate = tst_spamtest_validate_percent_tag
+};
+
+/*
+ * Spamtest and virustest operations
+ */
+
+static bool tst_spamvirustest_operation_dump
+	(const struct sieve_dumptime_env *denv, sieve_size_t *address);
+static int tst_spamvirustest_operation_execute
+	(const struct sieve_runtime_env *renv, sieve_size_t *address);
+
+const struct sieve_operation_def spamtest_operation = {
+	.mnemonic = "SPAMTEST",
+	.ext_def = &spamtest_extension,
+	.dump = tst_spamvirustest_operation_dump,
+	.execute = tst_spamvirustest_operation_execute
+};
+
+const struct sieve_operation_def virustest_operation = {
+	.mnemonic = "VIRUSTEST",
+	.ext_def = &virustest_extension,
+	.dump = tst_spamvirustest_operation_dump,
+	.execute = tst_spamvirustest_operation_execute
+};
+
+/*
+ * Optional operands
+ */
+
+enum tst_spamvirustest_optional {
+	OPT_SPAMTEST_PERCENT = SIEVE_MATCH_OPT_LAST,
+	OPT_SPAMTEST_LAST
+};
+
+/*
+ * Test registration
+ */
+
+static bool tst_spamvirustest_registered
+(struct sieve_validator *valdtr, const struct sieve_extension *ext,
+	struct sieve_command_registration *cmd_reg)
+{
+	sieve_comparators_link_tag(valdtr, cmd_reg, SIEVE_MATCH_OPT_COMPARATOR);
+	sieve_match_types_link_tags(valdtr, cmd_reg, SIEVE_MATCH_OPT_MATCH_TYPE);
+
+	if ( sieve_extension_is(ext, spamtestplus_extension) ||
+		sieve_extension_is(ext, spamtest_extension) ) {
+		sieve_validator_register_tag
+			(valdtr, cmd_reg, ext, &spamtest_percent_tag, OPT_SPAMTEST_PERCENT);
+	}
+
+	return TRUE;
+}
+
+/*
+ * Validation
+ */
+
+static bool tst_spamtest_validate_percent_tag
+(struct sieve_validator *valdtr, struct sieve_ast_argument **arg,
+	struct sieve_command *tst)
+{
+	if ( !sieve_extension_is(tst->ext, spamtestplus_extension) ) {
+		sieve_argument_validate_error(valdtr, *arg,
+			"the spamtest test only accepts the :percent argument when "
+			"the spamtestplus extension is active");
+		return FALSE;
+	}
+
+	/* Skip tag */
+	*arg = sieve_ast_argument_next(*arg);
+
+	return TRUE;
+}
+
+static bool tst_spamvirustest_validate
+(struct sieve_validator *valdtr, struct sieve_command *tst)
+{
+	struct sieve_ast_argument *arg = tst->first_positional;
+	const struct sieve_match_type mcht_default =
+		SIEVE_MATCH_TYPE_DEFAULT(is_match_type);
+	const struct sieve_comparator cmp_default =
+		SIEVE_COMPARATOR_DEFAULT(i_ascii_casemap_comparator);
+
+	/* Check value */
+
+	if ( !sieve_validate_positional_argument
+		(valdtr, tst, arg, "value", 1, SAAT_STRING) ) {
+		return FALSE;
+	}
+
+	if ( !sieve_validator_argument_activate(valdtr, tst, arg, FALSE) )
+		return FALSE;
+
+	/* Validate the key argument to a specified match type */
+	return sieve_match_type_validate
+		(valdtr, tst, arg, &mcht_default, &cmp_default);
+}
+
+/*
+ * Code generation
+ */
+
+static bool tst_spamvirustest_generate
+(const struct sieve_codegen_env *cgenv, struct sieve_command *tst)
+{
+	if ( sieve_command_is(tst, spamtest_test) )
+		sieve_operation_emit(cgenv->sblock, tst->ext, &spamtest_operation);
+	else if ( sieve_command_is(tst, virustest_test) )
+		sieve_operation_emit(cgenv->sblock, tst->ext, &virustest_operation);
+	else
+		i_unreached();
+
+	/* Generate arguments */
+	return sieve_generate_arguments(cgenv, tst, NULL);
+}
+
+/*
+ * Code dump
+ */
+
+static bool tst_spamvirustest_operation_dump
+(const struct sieve_dumptime_env *denv, sieve_size_t *address)
+{
+	int opt_code = 0;
+	const struct sieve_operation *op = denv->oprtn;
+
+	sieve_code_dumpf(denv, "%s", sieve_operation_mnemonic(op));
+	sieve_code_descend(denv);
+
+	/* Optional operands */
+	for (;;) {
+		int opt;
+
+		if ( (opt=sieve_match_opr_optional_dump(denv, address, &opt_code)) < 0 )
+			return FALSE;
+
+		if ( opt == 0 ) break;
+
+		switch ( opt_code ) {
+		case OPT_SPAMTEST_PERCENT:
+			sieve_code_dumpf(denv, "percent");
+			break;
+    default:
+			return FALSE;
+		}
+	}
+
+	return
+		sieve_opr_string_dump(denv, address, "value");
+}
+
+/*
+ * Code execution
+ */
+
+static int tst_spamvirustest_operation_execute
+(const struct sieve_runtime_env *renv, sieve_size_t *address)
+{
+	const struct sieve_operation *op = renv->oprtn;
+	const struct sieve_extension *this_ext = op->ext;
+	int opt_code = 0;
+	struct sieve_match_type mcht =
+		SIEVE_MATCH_TYPE_DEFAULT(is_match_type);
+	struct sieve_comparator cmp =
+		SIEVE_COMPARATOR_DEFAULT(i_ascii_casemap_comparator);
+	bool percent = FALSE;
+	struct sieve_stringlist *value_list, *key_list;
+	const char *score_value;
+	int match, ret;
+
+	/* Read optional operands */
+	for (;;) {
+		int opt;
+
+		if ( (opt=sieve_match_opr_optional_read
+			(renv, address, &opt_code, &ret, &cmp, &mcht)) < 0 )
+			return ret;
+
+		if ( opt == 0 ) break;
+
+		switch ( opt_code ) {
+		case OPT_SPAMTEST_PERCENT:
+			percent = TRUE;
+			break;
+		default:
+			sieve_runtime_trace_error(renv, "unknown optional operand");
+			return SIEVE_EXEC_BIN_CORRUPT;
+		}
+	}
+
+	/* Read value part */
+	if ( (ret=sieve_opr_stringlist_read(renv, address, "value", &key_list)) <= 0 )
+		return ret;
+
+	/* Perform test */
+
+	if ( sieve_operation_is(op, spamtest_operation) ) {
+		sieve_runtime_trace
+			(renv, SIEVE_TRLVL_TESTS, "spamtest test [percent=%s]",
+				( percent ? "true" : "false" ));
+	} else {
+		sieve_runtime_trace
+			(renv, SIEVE_TRLVL_TESTS, "virustest test");
+	}
+
+	/* Get score value */
+	sieve_runtime_trace_descend(renv);
+	if ( (ret=ext_spamvirustest_get_value
+		(renv, this_ext, percent, &score_value)) <= 0 )
+		return ret;
+	sieve_runtime_trace_ascend(renv);
+
+	/* Construct value list */
+	value_list = sieve_single_stringlist_create_cstr(renv, score_value, TRUE);
+
+	/* Perform match */
+	if ( (match=sieve_match(renv, &mcht, &cmp, value_list, key_list, &ret)) < 0 )
+		return ret;
+
+	/* Set test result for subsequent conditional jump */
+	sieve_interpreter_set_test_result(renv->interp, match > 0);
+	return SIEVE_EXEC_OK;
+}