Adding upstream version 1:2.3.19.1+dfsg1.upstream/1%2.3.19.1+dfsg1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 248 insertions, 0 deletions

diff --git a/pigeonhole/src/lib-sieve/plugins/imap4flags/tst-hasflag.c b/pigeonhole/src/lib-sieve/plugins/imap4flags/tst-hasflag.c
new file mode 100644
index 0000000..23f2acc
--- /dev/null
+++ b/pigeonhole/src/lib-sieve/plugins/imap4flags/tst-hasflag.c
@@ -0,0 +1,248 @@
+/* Copyright (c) 2002-2018 Pigeonhole authors, see the included COPYING file
+ */
+
+#include "lib.h"
+
+#include "sieve-commands.h"
+#include "sieve-stringlist.h"
+#include "sieve-code.h"
+#include "sieve-comparators.h"
+#include "sieve-match-types.h"
+#include "sieve-validator.h"
+#include "sieve-generator.h"
+#include "sieve-interpreter.h"
+#include "sieve-dump.h"
+#include "sieve-match.h"
+
+#include "ext-imap4flags-common.h"
+
+/*
+ * Hasflag test
+ *
+ * Syntax:
+ *   hasflag [MATCH-TYPE] [COMPARATOR] [<variable-list: string-list>]
+ *       <list-of-flags: string-list>
+ */
+
+static bool tst_hasflag_registered
+	(struct sieve_validator *valdtr, const struct sieve_extension *ext,
+		struct sieve_command_registration *cmd_reg);
+static bool tst_hasflag_validate
+	(struct sieve_validator *valdtr,	struct sieve_command *tst);
+static bool tst_hasflag_generate
+	(const struct sieve_codegen_env *cgenv, struct sieve_command *cmd);
+
+const struct sieve_command_def tst_hasflag = {
+	.identifier = "hasflag",
+	.type = SCT_TEST,
+	.positional_args = -1, /* We check positional arguments ourselves */
+	.subtests = 0,
+	.block_allowed = FALSE,
+	.block_required = FALSE,
+	.registered = tst_hasflag_registered,
+	.validate = tst_hasflag_validate,
+	.generate = tst_hasflag_generate
+};
+
+/*
+ * Hasflag operation
+ */
+
+static bool tst_hasflag_operation_dump
+	(const struct sieve_dumptime_env *denv, sieve_size_t *address);
+static int tst_hasflag_operation_execute
+	(const struct sieve_runtime_env *renv, sieve_size_t *address);
+
+const struct sieve_operation_def hasflag_operation = {
+	.mnemonic = "HASFLAG",
+	.ext_def = &imap4flags_extension,
+	.code = EXT_IMAP4FLAGS_OPERATION_HASFLAG,
+	.dump = tst_hasflag_operation_dump,
+	.execute = tst_hasflag_operation_execute
+};
+
+/*
+ * Optional arguments
+ */
+
+enum tst_hasflag_optional {
+	OPT_VARIABLES = SIEVE_MATCH_OPT_LAST,
+};
+
+/*
+ * Tag registration
+ */
+
+static bool tst_hasflag_registered
+(struct sieve_validator *valdtr, const struct sieve_extension *ext ATTR_UNUSED,
+	struct sieve_command_registration *cmd_reg)
+{
+	/* The order of these is not significant */
+	sieve_comparators_link_tag(valdtr, cmd_reg, SIEVE_MATCH_OPT_COMPARATOR);
+	sieve_match_types_link_tags(valdtr, cmd_reg, SIEVE_MATCH_OPT_MATCH_TYPE);
+
+	return TRUE;
+}
+
+/*
+ * Validation
+ */
+
+static bool tst_hasflag_validate
+(struct sieve_validator *valdtr,	struct sieve_command *tst)
+{
+	struct sieve_ast_argument *vars = tst->first_positional;
+	struct sieve_ast_argument *keys = sieve_ast_argument_next(vars);
+	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);
+
+	if ( !ext_imap4flags_command_validate(valdtr, tst) )
+		return FALSE;
+
+	if ( keys == NULL ) {
+		keys = vars;
+		vars = NULL;
+	} else {
+		vars->argument->id_code = OPT_VARIABLES;
+	}
+
+	/* Validate the key argument to a specified match type */
+	return sieve_match_type_validate
+		(valdtr, tst, keys, &mcht_default, &cmp_default);
+}
+
+/*
+ * Code generation
+ */
+
+static bool tst_hasflag_generate
+(const struct sieve_codegen_env *cgenv, struct sieve_command *cmd)
+{
+	sieve_operation_emit(cgenv->sblock, cmd->ext, &hasflag_operation);
+
+	/* Generate arguments */
+	if ( !sieve_generate_arguments(cgenv, cmd, NULL) )
+		return FALSE;
+
+	return TRUE;
+}
+
+/*
+ * Code dump
+ */
+
+static bool tst_hasflag_operation_dump
+(const struct sieve_dumptime_env *denv, sieve_size_t *address)
+{
+	int opt_code = 0;
+
+	sieve_code_dumpf(denv, "HASFLAG");
+	sieve_code_descend(denv);
+
+	/* Optional operands */
+
+	for (;;) {
+		bool opok = TRUE;
+		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_VARIABLES:
+			opok = sieve_opr_stringlist_dump(denv, address, "variables");
+			break;
+		default:
+			return FALSE;
+		}
+
+		if ( !opok ) return FALSE;
+	}
+
+	return
+		sieve_opr_stringlist_dump(denv, address, "list of flags");
+}
+
+/*
+ * Interpretation
+ */
+
+static int tst_hasflag_operation_execute
+(const struct sieve_runtime_env *renv, sieve_size_t *address)
+{
+	const struct sieve_operation *op = renv->oprtn;
+	int opt_code = 0;
+	struct sieve_comparator cmp =
+		SIEVE_COMPARATOR_DEFAULT(i_ascii_casemap_comparator);
+	struct sieve_match_type mcht =
+		SIEVE_MATCH_TYPE_DEFAULT(is_match_type);
+	struct sieve_stringlist *flag_list, *variables_list, *value_list, *key_list;
+	int match, ret;
+
+	/*
+	 * Read operands
+	 */
+
+	/* Optional operands */
+
+	variables_list = NULL;
+	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_VARIABLES:
+			ret = sieve_opr_stringlist_read
+				(renv, address, "variables-list", &variables_list);
+			break;
+		default:
+			sieve_runtime_trace_error(renv, "invalid optional operand");
+			ret = SIEVE_EXEC_BIN_CORRUPT;
+		}
+
+		if ( ret <= 0 ) return ret;
+	}
+
+	/* Fixed operands */
+
+	if ( (ret=sieve_opr_stringlist_read(renv, address, "flag-list", &flag_list))
+		<= 0 )
+		return ret;
+
+	/*
+	 * Perform operation
+	 */
+
+	sieve_runtime_trace(renv, SIEVE_TRLVL_TESTS, "hasflag test");
+
+	value_list = sieve_ext_imap4flags_get_flags
+		(renv, op->ext, variables_list);
+
+	if ( sieve_match_type_is(&mcht, is_match_type) ||
+		sieve_match_type_is(&mcht, contains_match_type) ) {
+		key_list = sieve_ext_imap4flags_get_flags
+			(renv, op->ext, flag_list);
+	} else {
+		key_list = flag_list;
+	}
+
+	/* 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;
+}
+
+