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

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

1 files changed, 276 insertions, 0 deletions

diff --git a/src/doveadm/doveadm-mail-import.c b/src/doveadm/doveadm-mail-import.c
new file mode 100644
index 0000000..bd6ef6d
--- /dev/null
+++ b/src/doveadm/doveadm-mail-import.c
@@ -0,0 +1,276 @@
+/* Copyright (c) 2010-2018 Dovecot authors, see the included COPYING file */
+
+#include "lib.h"
+#include "array.h"
+#include "str.h"
+#include "mail-storage.h"
+#include "mail-storage-service.h"
+#include "mail-namespace.h"
+#include "doveadm-mailbox-list-iter.h"
+#include "doveadm-mail-iter.h"
+#include "doveadm-mail.h"
+
+struct import_cmd_context {
+	struct doveadm_mail_cmd_context ctx;
+
+	const char *src_location;
+	const char *src_username;
+	struct mail_user *src_user;
+	const char *dest_parent;
+	bool subscribe;
+};
+
+static const char *
+convert_vname_separators(const char *vname, char src_sep, char dest_sep)
+{
+	string_t *str = t_str_new(128);
+
+	for (; *vname != '\0'; vname++) {
+		if (*vname == src_sep)
+			str_append_c(str, dest_sep);
+		else if (*vname == dest_sep)
+			str_append_c(str, '_');
+		else
+			str_append_c(str, *vname);
+	}
+	return str_c(str);
+}
+
+static int
+dest_mailbox_open_or_create(struct import_cmd_context *ctx,
+			    struct mail_user *user,
+			    const struct mailbox_info *info,
+			    struct mailbox **box_r)
+{
+	struct mail_namespace *ns;
+	struct mailbox *box;
+	enum mail_error error;
+	const char *name, *errstr;
+
+	if (*ctx->dest_parent != '\0') {
+		/* prefix destination mailbox name with given parent mailbox */
+		ns = mail_namespace_find(user->namespaces, ctx->dest_parent);
+	} else {
+		ns = mail_namespace_find(user->namespaces, info->vname);
+	}
+	name = convert_vname_separators(info->vname,
+					mail_namespace_get_sep(info->ns),
+					mail_namespace_get_sep(ns));
+
+	if (*ctx->dest_parent != '\0') {
+		name = t_strdup_printf("%s%c%s", ctx->dest_parent,
+				       mail_namespace_get_sep(ns), name);
+	}
+
+	box = mailbox_alloc(ns->list, name, MAILBOX_FLAG_SAVEONLY);
+	if (mailbox_create(box, NULL, FALSE) < 0) {
+		errstr = mailbox_get_last_internal_error(box, &error);
+		if (error != MAIL_ERROR_EXISTS) {
+			i_error("Couldn't create mailbox %s: %s", name, errstr);
+			doveadm_mail_failed_mailbox(&ctx->ctx, box);
+			mailbox_free(&box);
+			return -1;
+		}
+	}
+	if (ctx->subscribe) {
+		if (mailbox_set_subscribed(box, TRUE) < 0) {
+			i_error("Couldn't subscribe to mailbox %s: %s",
+				name, mailbox_get_last_internal_error(box, NULL));
+		}
+	}
+	if (mailbox_sync(box, MAILBOX_SYNC_FLAG_FULL_READ) < 0) {
+		i_error("Syncing mailbox %s failed: %s", name,
+			mailbox_get_last_internal_error(box, NULL));
+		doveadm_mail_failed_mailbox(&ctx->ctx, box);
+		mailbox_free(&box);
+		return -1;
+	}
+	*box_r = box;
+	return 0;
+}
+
+static int
+cmd_import_box_contents(struct doveadm_mail_cmd_context *ctx,
+			struct doveadm_mail_iter *iter, struct mail *src_mail,
+			struct mailbox *dest_box)
+{
+	struct mail_save_context *save_ctx;
+	struct mailbox_transaction_context *dest_trans;
+	const char *mailbox = mailbox_get_vname(dest_box);
+	int ret = 0;
+
+	dest_trans = mailbox_transaction_begin(dest_box,
+					MAILBOX_TRANSACTION_FLAG_EXTERNAL |
+					ctx->transaction_flags,	__func__);
+	do {
+		if (doveadm_debug) {
+			i_debug("import: box=%s uid=%u",
+				mailbox, src_mail->uid);
+		}
+		save_ctx = mailbox_save_alloc(dest_trans);
+		mailbox_save_copy_flags(save_ctx, src_mail);
+		if (mailbox_copy(&save_ctx, src_mail) < 0) {
+			i_error("Copying box=%s uid=%u failed: %s",
+				mailbox, src_mail->uid,
+				mailbox_get_last_internal_error(dest_box, NULL));
+			ret = -1;
+		}
+	} while (doveadm_mail_iter_next(iter, &src_mail));
+
+	if (mailbox_transaction_commit(&dest_trans) < 0) {
+		i_error("Committing copied mails to %s failed: %s", mailbox,
+			mailbox_get_last_internal_error(dest_box, NULL));
+		ret = -1;
+	}
+	return ret;
+}
+
+static int
+cmd_import_box(struct import_cmd_context *ctx, struct mail_user *dest_user,
+	       const struct mailbox_info *info,
+	       struct mail_search_args *search_args)
+{
+	struct doveadm_mail_iter *iter;
+	struct mailbox *box;
+	struct mail *mail;
+	int ret = 0;
+
+	if (doveadm_mail_iter_init(&ctx->ctx, info, search_args, 0, NULL,
+				   DOVEADM_MAIL_ITER_FLAG_READONLY,
+				   &iter) < 0)
+		return -1;
+
+	if (doveadm_mail_iter_next(iter, &mail)) {
+		/* at least one mail matches in this mailbox */
+		if (dest_mailbox_open_or_create(ctx, dest_user, info, &box) < 0)
+			ret = -1;
+		else {
+			if (cmd_import_box_contents(&ctx->ctx, iter, mail, box) < 0) {
+				doveadm_mail_failed_mailbox(&ctx->ctx, mail->box);
+				ret = -1;
+			}
+			mailbox_free(&box);
+		}
+	}
+	if (doveadm_mail_iter_deinit_sync(&iter) < 0)
+		ret = -1;
+	return ret;
+}
+
+static void cmd_import_init_source_user(struct import_cmd_context *ctx, struct mail_user *dest_user)
+{
+	struct mail_storage_service_input input;
+	struct mail_storage_service_user *service_user;
+	struct mail_user *user;
+	const char *error;
+
+	/* create a user for accessing the source storage */
+	i_zero(&input);
+	input.module = "mail";
+	input.username = ctx->src_username != NULL ?
+			 ctx->src_username :
+			 dest_user->username;
+
+	mail_storage_service_io_deactivate_user(ctx->ctx.cur_service_user);
+	input.flags_override_add = MAIL_STORAGE_SERVICE_FLAG_NO_NAMESPACES |
+		MAIL_STORAGE_SERVICE_FLAG_NO_RESTRICT_ACCESS;
+	if (mail_storage_service_lookup_next(ctx->ctx.storage_service, &input,
+					     &service_user, &user, &error) < 0)
+		i_fatal("Import user initialization failed: %s", error);
+	if (mail_namespaces_init_location(user, ctx->src_location, &error) < 0)
+		i_fatal("Import namespace initialization failed: %s", error);
+
+	ctx->src_user = user;
+	mail_storage_service_io_deactivate_user(service_user);
+	mail_storage_service_user_unref(&service_user);
+	mail_storage_service_io_activate_user(ctx->ctx.cur_service_user);
+}
+
+static int
+cmd_import_run(struct doveadm_mail_cmd_context *_ctx, struct mail_user *user)
+{
+	struct import_cmd_context *ctx = (struct import_cmd_context *)_ctx;
+	const enum mailbox_list_iter_flags iter_flags =
+		MAILBOX_LIST_ITER_NO_AUTO_BOXES |
+		MAILBOX_LIST_ITER_RETURN_NO_FLAGS;
+	struct doveadm_mailbox_list_iter *iter;
+	const struct mailbox_info *info;
+	int ret = 0;
+
+	if (ctx->src_user == NULL)
+		cmd_import_init_source_user(ctx, user);
+
+	iter = doveadm_mailbox_list_iter_init(_ctx, ctx->src_user,
+					      _ctx->search_args, iter_flags);
+	while ((info = doveadm_mailbox_list_iter_next(iter)) != NULL) T_BEGIN {
+		if (cmd_import_box(ctx, user, info, _ctx->search_args) < 0)
+			ret = -1;
+	} T_END;
+	if (doveadm_mailbox_list_iter_deinit(&iter) < 0)
+		ret = -1;
+	return ret;
+}
+
+static void cmd_import_init(struct doveadm_mail_cmd_context *_ctx,
+			    const char *const args[])
+{
+	struct import_cmd_context *ctx = (struct import_cmd_context *)_ctx;
+
+	if (str_array_length(args) < 3)
+		doveadm_mail_help_name("import");
+	ctx->src_location = p_strdup(_ctx->pool, args[0]);
+	ctx->dest_parent = p_strdup(_ctx->pool, args[1]);
+	ctx->ctx.search_args = doveadm_mail_build_search_args(args+2);
+}
+
+static void cmd_import_deinit(struct doveadm_mail_cmd_context *_ctx)
+{
+	struct import_cmd_context *ctx = (struct import_cmd_context *)_ctx;
+
+	if (ctx->src_user != NULL)
+		mail_user_deinit(&ctx->src_user);
+}
+
+static bool cmd_import_parse_arg(struct doveadm_mail_cmd_context *_ctx, int c)
+{
+	struct import_cmd_context *ctx = (struct import_cmd_context *)_ctx;
+
+	switch (c) {
+	case 'U':
+		ctx->src_username = p_strdup(_ctx->pool, optarg);
+		break;
+	case 's':
+		ctx->subscribe = TRUE;
+		break;
+	default:
+		return FALSE;
+	}
+	return TRUE;
+}
+
+static struct doveadm_mail_cmd_context *cmd_import_alloc(void)
+{
+	struct import_cmd_context *ctx;
+
+	ctx = doveadm_mail_cmd_alloc(struct import_cmd_context);
+	ctx->ctx.getopt_args = "s";
+	ctx->ctx.v.parse_arg = cmd_import_parse_arg;
+	ctx->ctx.v.init = cmd_import_init;
+	ctx->ctx.v.deinit = cmd_import_deinit;
+	ctx->ctx.v.run = cmd_import_run;
+	return &ctx->ctx;
+}
+
+struct doveadm_cmd_ver2 doveadm_cmd_import_ver2 = {
+	.name = "import",
+	.mail_cmd = cmd_import_alloc,
+	.usage = DOVEADM_CMD_MAIL_USAGE_PREFIX "[-U source-user] [-s] <source mail location> <dest parent mailbox> <search query>",
+DOVEADM_CMD_PARAMS_START
+DOVEADM_CMD_MAIL_COMMON
+DOVEADM_CMD_PARAM('U', "source-user", CMD_PARAM_STR, 0)
+DOVEADM_CMD_PARAM('s', "subscribe", CMD_PARAM_BOOL, 0)
+DOVEADM_CMD_PARAM('\0', "source-location", CMD_PARAM_STR, CMD_PARAM_FLAG_POSITIONAL)
+DOVEADM_CMD_PARAM('\0', "dest-parent-mailbox", CMD_PARAM_STR, CMD_PARAM_FLAG_POSITIONAL)
+DOVEADM_CMD_PARAM('\0', "query", CMD_PARAM_ARRAY, CMD_PARAM_FLAG_POSITIONAL)
+DOVEADM_CMD_PARAMS_END
+};