1 files changed, 131 insertions, 0 deletions
diff --git a/pigeonhole/src/lib-sieve/plugins/ihave/cmd-error.c b/pigeonhole/src/lib-sieve/plugins/ihave/cmd-error.c
new file mode 100644
index 0000000..6e971bd
--- /dev/null
+++ b/pigeonhole/src/lib-sieve/plugins/ihave/cmd-error.c
@@ -0,0 +1,131 @@
+/* Copyright (c) 2002-2018 Pigeonhole authors, see the included COPYING file
+ */
+
+#include "lib.h"
+#include "str-sanitize.h"
+
+#include "sieve-extensions.h"
+#include "sieve-commands.h"
+#include "sieve-code.h"
+
+#include "sieve-validator.h"
+#include "sieve-generator.h"
+#include "sieve-binary.h"
+#include "sieve-interpreter.h"
+#include "sieve-dump.h"
+
+#include "ext-ihave-common.h"
+
+/*
+ * Error command
+ *
+ * Syntax
+ *   error <message: string>
+ */
+
+static bool cmd_error_validate
+	(struct sieve_validator *valdtr, struct sieve_command *tst);
+static bool cmd_error_generate
+	(const struct sieve_codegen_env *cgenv,	struct sieve_command *ctx);
+
+const struct sieve_command_def error_command = {
+	.identifier = "error",
+	.type = SCT_COMMAND,
+	.positional_args = 1,
+	.subtests = 0,
+	.block_allowed = FALSE,
+	.block_required = FALSE,
+	.validate = cmd_error_validate,
+	.generate = cmd_error_generate
+};
+
+/*
+ * Body operation
+ */
+
+static bool cmd_error_operation_dump
+	(const struct sieve_dumptime_env *denv, sieve_size_t *address);
+static int cmd_error_operation_execute
+	(const struct sieve_runtime_env *renv, sieve_size_t *address);
+
+const struct sieve_operation_def cmd_error_operation = {
+	.mnemonic = "ERROR",
+	.ext_def = &ihave_extension,
+	.code = EXT_IHAVE_OPERATION_ERROR,
+	.dump = cmd_error_operation_dump,
+	.execute = cmd_error_operation_execute
+};
+
+/*
+ * Validation
+ */
+
+static bool cmd_error_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, "message", 1, SAAT_STRING) ) {
+		return FALSE;
+	}
+
+	return sieve_validator_argument_activate(valdtr, tst, arg, FALSE);
+}
+
+/*
+ * Code generation
+ */
+
+static bool cmd_error_generate
+(const struct sieve_codegen_env *cgenv, struct sieve_command *cmd)
+{
+	(void)sieve_operation_emit(cgenv->sblock, cmd->ext, &cmd_error_operation);
+
+	/* Generate arguments */
+	return sieve_generate_arguments(cgenv, cmd, NULL);
+}
+
+/*
+ * Code dump
+ */
+
+static bool cmd_error_operation_dump
+(const struct sieve_dumptime_env *denv, sieve_size_t *address)
+{
+	sieve_code_dumpf(denv, "ERROR");
+	sieve_code_descend(denv);
+
+	return sieve_opr_string_dump(denv, address, "message");
+}
+
+/*
+ * Interpretation
+ */
+
+static int cmd_error_operation_execute
+(const struct sieve_runtime_env *renv, sieve_size_t *address)
+{
+	string_t *message;
+	int ret;
+
+	/*
+	 * Read operands
+	 */
+
+	/* Read message */
+
+	if ( (ret=sieve_opr_string_read(renv, address, "message", &message)) <= 0 )
+		return ret;
+
+	/*
+	 * Perform operation
+	 */
+
+	sieve_runtime_trace(renv, SIEVE_TRLVL_COMMANDS, "error \"%s\"",
+		str_sanitize(str_c(message), 80));
+
+	sieve_runtime_error(renv, NULL, "%s", str_c(message));
+
+	return SIEVE_EXEC_FAILURE;
+}