Adding upstream version 1:2.3.21+dfsg1.upstream/1%2.3.21+dfsg1

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

6 files changed, 1092 insertions, 0 deletions

diff --git a/pigeonhole/src/lib-sieve/plugins/index/Makefile.am b/pigeonhole/src/lib-sieve/plugins/index/Makefile.am
new file mode 100644
index 0000000..434ca1c
--- /dev/null
+++ b/pigeonhole/src/lib-sieve/plugins/index/Makefile.am
@@ -0,0 +1,13 @@
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diff --git a/pigeonhole/src/lib-sieve/plugins/index/Makefile.in b/pigeonhole/src/lib-sieve/plugins/index/Makefile.in
new file mode 100644
index 0000000..852316c
--- /dev/null
+++ b/pigeonhole/src/lib-sieve/plugins/index/Makefile.in
@@ -0,0 +1,688 @@
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+	      "$$@" $$unique; \
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+	      $$unique; \
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+	fi
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+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
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+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
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+
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+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
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+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
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+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
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+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
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+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
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+	fi
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+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/pigeonhole/src/lib-sieve/plugins/index/ext-index-common.c b/pigeonhole/src/lib-sieve/plugins/index/ext-index-common.c
new file mode 100644
index 0000000..26fb706
--- /dev/null
+++ b/pigeonhole/src/lib-sieve/plugins/index/ext-index-common.c
@@ -0,0 +1,15 @@
+/* Copyright (c) 2002-2018 Pigeonhole authors, see the included COPYING file
+ */
+
+#include "lib.h"
+#include "utc-offset.h"
+#include "str.h"
+
+#include "sieve-common.h"
+#include "sieve-stringlist.h"
+#include "sieve-code.h"
+#include "sieve-interpreter.h"
+#include "sieve-message.h"
+
+#include "ext-index-common.h"
+
diff --git a/pigeonhole/src/lib-sieve/plugins/index/ext-index-common.h b/pigeonhole/src/lib-sieve/plugins/index/ext-index-common.h
new file mode 100644
index 0000000..7ce3244
--- /dev/null
+++ b/pigeonhole/src/lib-sieve/plugins/index/ext-index-common.h
@@ -0,0 +1,29 @@
+#ifndef EXT_INDEX_COMMON_H
+#define EXT_INDEX_COMMON_H
+
+#include "sieve-common.h"
+
+#include <time.h>
+
+#define SIEVE_EXT_INDEX_HDR_OVERRIDE_SEQUENCE 100
+
+/*
+ * Tagged arguments
+ */
+
+extern const struct sieve_argument_def index_tag;
+extern const struct sieve_argument_def last_tag;
+
+/*
+ * Operands
+ */
+
+extern const struct sieve_operand_def index_operand;
+
+/*
+ * Extension
+ */
+
+extern const struct sieve_extension_def index_extension;
+
+#endif
diff --git a/pigeonhole/src/lib-sieve/plugins/index/ext-index.c b/pigeonhole/src/lib-sieve/plugins/index/ext-index.c
new file mode 100644
index 0000000..33e7771
--- /dev/null
+++ b/pigeonhole/src/lib-sieve/plugins/index/ext-index.c
@@ -0,0 +1,69 @@
+/* Copyright (c) 2002-2018 Pigeonhole authors, see the included COPYING file
+ */
+
+/* Extension index
+ * ------------------
+ *
+ * Authors: Stephan Bosch
+ * Specification: RFC 5260
+ * Implementation: full
+ * Status: testing
+ *
+ */
+
+#include "lib.h"
+#include "array.h"
+
+#include "sieve-common.h"
+#include "sieve-message.h"
+#include "sieve-extensions.h"
+#include "sieve-commands.h"
+
+#include "sieve-validator.h"
+#include "sieve-generator.h"
+#include "sieve-binary.h"
+#include "sieve-interpreter.h"
+#include "sieve-dump.h"
+
+#include "ext-index-common.h"
+
+/*
+ * Extension
+ */
+
+static bool ext_index_validator_load
+(const struct sieve_extension *ext, struct sieve_validator *validator);
+
+const struct sieve_extension_def index_extension = {
+	.name = "index",
+	.validator_load = ext_index_validator_load,
+	SIEVE_EXT_DEFINE_OPERAND(index_operand)
+};
+
+static bool ext_index_validator_load
+(const struct sieve_extension *ext, struct sieve_validator *valdtr)
+{
+	/* Register :index and :last tags with header, address and date test commands
+	 * and we don't care whether these command are registered or even whether
+	 * these will be registered at all. The validator handles either situation
+	 * gracefully.
+	 */
+	sieve_validator_register_external_tag
+		(valdtr, "header", ext, &index_tag, SIEVE_OPT_MESSAGE_OVERRIDE);
+	sieve_validator_register_external_tag
+		(valdtr, "header", ext, &last_tag, 0);
+
+	sieve_validator_register_external_tag
+		(valdtr, "address", ext, &index_tag, SIEVE_OPT_MESSAGE_OVERRIDE);
+	sieve_validator_register_external_tag
+		(valdtr, "address", ext, &last_tag, 0);
+
+	sieve_validator_register_external_tag
+		(valdtr, "date", ext, &index_tag, SIEVE_OPT_MESSAGE_OVERRIDE);
+	sieve_validator_register_external_tag
+		(valdtr, "date", ext, &last_tag, 0);
+
+	return TRUE;
+}
+
+
diff --git a/pigeonhole/src/lib-sieve/plugins/index/tag-index.c b/pigeonhole/src/lib-sieve/plugins/index/tag-index.c
new file mode 100644
index 0000000..d8938a5
--- /dev/null
+++ b/pigeonhole/src/lib-sieve/plugins/index/tag-index.c
@@ -0,0 +1,278 @@
+/* Copyright (c) 2002-2018 Pigeonhole authors, see the included COPYING file
+ */
+
+#include "lib.h"
+#include "mail-storage.h"
+#include "mail-namespace.h"
+
+#include "sieve-common.h"
+#include "sieve-stringlist.h"
+#include "sieve-extensions.h"
+#include "sieve-commands.h"
+#include "sieve-binary.h"
+#include "sieve-code.h"
+#include "sieve-message.h"
+#include "sieve-result.h"
+#include "sieve-validator.h"
+#include "sieve-generator.h"
+
+#include "ext-index-common.h"
+
+/*
+ * Tagged argument
+ */
+
+static bool
+tag_index_validate(struct sieve_validator *valdtr,
+		   struct sieve_ast_argument **arg, struct sieve_command *cmd);
+static bool
+tag_index_generate(const struct sieve_codegen_env *cgenv,
+		   struct sieve_ast_argument *arg,
+		   struct sieve_command *context);
+
+const struct sieve_argument_def index_tag = {
+	.identifier = "index",
+	.validate = tag_index_validate,
+	.generate = tag_index_generate
+};
+
+static bool
+tag_last_validate(struct sieve_validator *valdtr,
+		  struct sieve_ast_argument **arg, struct sieve_command *cmd);
+
+const struct sieve_argument_def last_tag = {
+	.identifier = "last",
+	.validate = tag_last_validate,
+};
+
+/*
+ * Header override
+ */
+
+static bool
+svmo_index_dump_context(const struct sieve_message_override *svmo,
+			const struct sieve_dumptime_env *denv,
+			sieve_size_t *address);
+static int
+svmo_index_read_context(const struct sieve_message_override *svmo,
+			const struct sieve_runtime_env *renv,
+			sieve_size_t *address, void **ho_context);
+static int
+svmo_index_header_override(const struct sieve_message_override *svmo,
+			   const struct sieve_runtime_env *renv,
+			   bool mime_decode, struct sieve_stringlist **headers);
+
+const struct sieve_message_override_def index_header_override = {
+	SIEVE_OBJECT("index", &index_operand, 0),
+	.sequence = SIEVE_EXT_INDEX_HDR_OVERRIDE_SEQUENCE,
+	.dump_context = svmo_index_dump_context,
+	.read_context = svmo_index_read_context,
+	.header_override = svmo_index_header_override
+};
+
+/*
+ * Operand
+ */
+
+static const struct sieve_extension_objects ext_header_overrides =
+	SIEVE_EXT_DEFINE_MESSAGE_OVERRIDE(index_header_override);
+
+const struct sieve_operand_def index_operand = {
+	.name = "index operand",
+	.ext_def = &index_extension,
+	.class = &sieve_message_override_operand_class,
+	.interface = &ext_header_overrides
+};
+
+/*
+ * Tag data
+ */
+
+struct tag_index_data {
+	sieve_number_t fieldno;
+	bool last:1;
+};
+
+/*
+ * Tag validation
+ */
+
+static bool
+tag_index_validate(struct sieve_validator *valdtr ATTR_UNUSED,
+		   struct sieve_ast_argument **arg, struct sieve_command *cmd)
+{
+	struct sieve_ast_argument *tag = *arg;
+	struct tag_index_data *data;
+
+	/* Skip the tag itself */
+	*arg = sieve_ast_argument_next(*arg);
+
+	/* Check syntax:
+	 *   ":index" <fieldno: number>
+	 */
+	if (!sieve_validate_tag_parameter(valdtr, cmd, tag, *arg, NULL, 0,
+					  SAAT_NUMBER, FALSE))
+		return FALSE;
+
+	if (tag->argument->data == NULL) {
+		data = p_new(sieve_command_pool(cmd), struct tag_index_data, 1);
+		tag->argument->data = (void *)data;
+	} else {
+		data = (struct tag_index_data *)tag->argument->data;
+	}
+
+	data->fieldno = sieve_ast_argument_number(*arg);
+	if (data->fieldno == 0) {
+		sieve_argument_validate_error(valdtr, *arg,
+			"the :index tag for the %s %s cannot be zero",
+			sieve_command_identifier(cmd),
+			sieve_command_type_name(cmd));
+		return FALSE;
+	}
+
+	/* Detach parameter */
+	*arg = sieve_ast_arguments_detach(*arg,1);
+	return TRUE;
+}
+
+static bool
+tag_last_validate(struct sieve_validator *valdtr ATTR_UNUSED,
+		  struct sieve_ast_argument **arg, struct sieve_command *cmd)
+{
+	struct sieve_ast_argument *index_arg;
+	struct tag_index_data *data;
+
+	index_arg = sieve_command_find_argument(cmd, &index_tag);
+	if (index_arg == NULL) {
+		sieve_argument_validate_error(
+			valdtr, *arg,
+			"the :last tag for the %s %s cannot be specified "
+			"without the :index tag",
+			sieve_command_identifier(cmd),
+			sieve_command_type_name(cmd));
+		return FALSE;
+	}
+
+	/* Set :last flag */
+	if (index_arg->argument->data == NULL) {
+		data = p_new(sieve_command_pool(cmd), struct tag_index_data, 1);
+		index_arg->argument->data = (void*)data;
+	} else {
+		data = (struct tag_index_data *)index_arg->argument->data;
+	}
+	data->last = TRUE;
+
+	/* Detach */
+	*arg = sieve_ast_arguments_detach(*arg, 1);
+	return TRUE;
+}
+
+/*
+ * Code generation
+ */
+
+static bool
+tag_index_generate(const struct sieve_codegen_env *cgenv,
+		   struct sieve_ast_argument *arg,
+		   struct sieve_command *cmd ATTR_UNUSED)
+{
+	struct tag_index_data *data =
+		(struct tag_index_data *)arg->argument->data;
+
+	if (sieve_ast_argument_type(arg) != SAAT_TAG)
+		return FALSE;
+
+	sieve_opr_message_override_emit(cgenv->sblock, arg->argument->ext,
+					&index_header_override);
+
+	(void)sieve_binary_emit_integer	(cgenv->sblock, data->fieldno);
+	(void)sieve_binary_emit_byte(cgenv->sblock, (data->last ? 1 : 0));
+	return TRUE;
+}
+
+/*
+ * Header override implementation
+ */
+
+/* Context data */
+
+struct svmo_index_context {
+	unsigned int fieldno;
+	bool last:1;
+};
+
+/* Context coding */
+
+static bool
+svmo_index_dump_context(const struct sieve_message_override *svmo ATTR_UNUSED,
+			const struct sieve_dumptime_env *denv,
+			sieve_size_t *address)
+{
+	sieve_number_t fieldno = 0;
+	unsigned int last;
+
+	if (!sieve_binary_read_integer(denv->sblock, address, &fieldno) ||
+	    fieldno == 0)
+		return FALSE;
+
+	sieve_code_dumpf(denv, "fieldno: %llu", (unsigned long long) fieldno);
+
+	if (!sieve_binary_read_byte(denv->sblock, address, &last))
+		return FALSE;
+
+	if (last > 0)
+		sieve_code_dumpf(denv, "last");
+	return TRUE;
+}
+
+static int
+svmo_index_read_context(const struct sieve_message_override *svmo ATTR_UNUSED,
+			const struct sieve_runtime_env *renv,
+			sieve_size_t *address, void **ho_context)
+{
+	pool_t pool = sieve_result_pool(renv->result);
+	struct svmo_index_context *ctx;
+	sieve_number_t fieldno;
+	unsigned int last = 0;
+
+	if (!sieve_binary_read_integer(renv->sblock, address, &fieldno)) {
+		sieve_runtime_trace_error(renv, "fieldno: invalid number");
+		return SIEVE_EXEC_BIN_CORRUPT;
+	}
+	if (fieldno == 0) {
+		sieve_runtime_trace_error(renv, "fieldno: index is zero");
+		return SIEVE_EXEC_BIN_CORRUPT;
+	}
+	if (!sieve_binary_read_byte(renv->sblock, address, &last)) {
+		sieve_runtime_trace_error(renv, "last: invalid byte");
+		return SIEVE_EXEC_BIN_CORRUPT;
+	}
+
+	ctx = p_new(pool, struct svmo_index_context, 1);
+	ctx->fieldno = fieldno;
+	ctx->last = (last == 0 ? FALSE : TRUE);
+
+	*ho_context = (void *) ctx;
+	return SIEVE_EXEC_OK;
+}
+
+/* Override */
+
+static int
+svmo_index_header_override(const struct sieve_message_override *svmo,
+			   const struct sieve_runtime_env *renv,
+			   bool mime_decode ATTR_UNUSED,
+			   struct sieve_stringlist **headers)
+{
+	struct svmo_index_context *ctx =
+		(struct svmo_index_context *)svmo->context;
+
+	sieve_runtime_trace(
+		renv, SIEVE_TRLVL_MATCHING,
+		"header index override: only returning index %d%s",
+		ctx->fieldno, (ctx->last ? " (from last)" : ""));
+
+	*headers = sieve_index_stringlist_create(
+		renv, *headers, (int)ctx->fieldno * (ctx->last ? -1 : 1));
+	return SIEVE_EXEC_OK;
+}