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, 153 insertions, 0 deletions

diff --git a/src/plugins/virtual/virtual-save.c b/src/plugins/virtual/virtual-save.c
new file mode 100644
index 0000000..9499cd3
--- /dev/null
+++ b/src/plugins/virtual/virtual-save.c
@@ -0,0 +1,153 @@
+/* Copyright (c) 2009-2018 Dovecot authors, see the included COPYING file */
+
+#include "lib.h"
+#include "array.h"
+#include "virtual-transaction.h"
+#include "virtual-storage.h"
+
+struct virtual_save_context {
+	struct mail_save_context ctx;
+	struct mail_save_context *backend_save_ctx;
+	struct mailbox *backend_box;
+	char *open_errstr;
+	enum mail_error open_error;
+};
+
+struct mail_save_context *
+virtual_save_alloc(struct mailbox_transaction_context *_t)
+{
+	struct virtual_transaction_context *t =
+		(struct virtual_transaction_context *)_t;
+	struct virtual_mailbox *mbox = (struct virtual_mailbox *)_t->box;
+	struct mailbox_transaction_context *backend_trans;
+	struct virtual_save_context *ctx;
+	const char *errstr;
+
+	if (_t->save_ctx == NULL) {
+		ctx = i_new(struct virtual_save_context, 1);
+		ctx->ctx.transaction = &t->t;
+		_t->save_ctx = &ctx->ctx;
+	} else {
+		ctx = (struct virtual_save_context *)_t->save_ctx;
+	}
+
+	if (mbox->save_bbox != NULL) {
+		i_assert(ctx->backend_save_ctx == NULL);
+		i_assert(ctx->open_errstr == NULL);
+
+		if (!mbox->save_bbox->box->opened &&
+		    virtual_backend_box_open(mbox, mbox->save_bbox) < 0) {
+			errstr = mailbox_get_last_error(mbox->save_bbox->box,
+							&ctx->open_error);
+			ctx->open_errstr = i_strdup(errstr);
+		} else {
+			backend_trans =
+				virtual_transaction_get(_t, mbox->save_bbox->box);
+			ctx->backend_save_ctx = mailbox_save_alloc(backend_trans);
+		}
+		virtual_backend_box_accessed(mbox, mbox->save_bbox);
+	}
+	return _t->save_ctx;
+}
+
+static struct mail_keywords *
+virtual_copy_keywords(struct mailbox *src_box,
+		      const struct mail_keywords *src_keywords,
+		      struct mailbox *dest_box)
+{
+	struct mailbox_status status;
+	ARRAY_TYPE(keywords) kw_strings;
+	const char *kw;
+	unsigned int i;
+
+	if (src_keywords == NULL || src_keywords->count == 0)
+		return NULL;
+
+	t_array_init(&kw_strings, src_keywords->count + 1);
+	mailbox_get_open_status(src_box, STATUS_KEYWORDS, &status);
+
+	for (i = 0; i < src_keywords->count; i++) {
+		kw = array_idx_elem(status.keywords, src_keywords->idx[i]);
+		array_push_back(&kw_strings, &kw);
+	}
+	array_append_zero(&kw_strings);
+	return mailbox_keywords_create_valid(dest_box,
+					     array_front(&kw_strings));
+}
+
+int virtual_save_begin(struct mail_save_context *_ctx, struct istream *input)
+{
+	struct virtual_save_context *ctx = (struct virtual_save_context *)_ctx;
+	struct mail_save_data *mdata = &_ctx->data;
+	struct mail_keywords *keywords;
+
+	if (ctx->backend_save_ctx == NULL) {
+		if (ctx->open_errstr != NULL) {
+			/* mailbox_open() failed */
+			mail_storage_set_error(_ctx->transaction->box->storage,
+				ctx->open_error, ctx->open_errstr);
+		} else {
+			mail_storage_set_error(_ctx->transaction->box->storage,
+				MAIL_ERROR_NOTPOSSIBLE,
+				"Can't save messages to this virtual mailbox");
+		}
+		return -1;
+	}
+
+	ctx->backend_box = ctx->backend_save_ctx->transaction->box;
+	keywords = virtual_copy_keywords(_ctx->transaction->box, mdata->keywords,
+				         ctx->backend_box);
+	mailbox_save_set_flags(ctx->backend_save_ctx,
+			       mdata->flags | mdata->pvt_flags,
+			       keywords);
+	if (keywords != NULL)
+		mail_index_keywords_unref(&keywords);
+
+	mailbox_save_set_received_date(ctx->backend_save_ctx,
+				       mdata->received_date,
+				       mdata->received_tz_offset);
+	mailbox_save_set_from_envelope(ctx->backend_save_ctx,
+				       mdata->from_envelope);
+	mailbox_save_set_guid(ctx->backend_save_ctx, mdata->guid);
+	mailbox_save_set_min_modseq(ctx->backend_save_ctx, mdata->min_modseq);
+
+	virtual_mail_set_unattached_backend_mail(_ctx->dest_mail,
+		ctx->backend_save_ctx->dest_mail);
+	return mailbox_save_begin(&ctx->backend_save_ctx, input);
+}
+
+int virtual_save_continue(struct mail_save_context *_ctx)
+{
+	struct virtual_save_context *ctx = (struct virtual_save_context *)_ctx;
+
+	return mailbox_save_continue(ctx->backend_save_ctx);
+}
+
+int virtual_save_finish(struct mail_save_context *_ctx)
+{
+	struct virtual_save_context *ctx = (struct virtual_save_context *)_ctx;
+	int ret;
+	ret = mailbox_save_finish(&ctx->backend_save_ctx);
+	index_save_context_free(_ctx);
+
+	return ret;
+}
+
+void virtual_save_cancel(struct mail_save_context *_ctx)
+{
+	struct virtual_save_context *ctx = (struct virtual_save_context *)_ctx;
+
+	if (ctx->backend_save_ctx != NULL)
+		mailbox_save_cancel(&ctx->backend_save_ctx);
+	i_free_and_null(ctx->open_errstr);
+	_ctx->unfinished = FALSE;
+}
+
+void virtual_save_free(struct mail_save_context *_ctx)
+{
+	struct virtual_save_context *ctx = (struct virtual_save_context *)_ctx;
+
+	virtual_save_cancel(_ctx);
+	mailbox_save_context_deinit(_ctx);
+	i_free(ctx);
+}