From: Timo Sirainen <timo.sirainen@open-xchange.com>
Date: Fri, 1 May 2026 17:40:17 +0000 (+0000)
Subject: [PATCH 2/5] imap: Recreate multiplex ostream side channel after unhibernation
X-Git-Tag: archive/raspbian/1%2.4.1+dfsg1-6+rpi1+deb13u7^2~12
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=ebf51a7f99a30f144e033a24b3e9e01c7c01b43b;p=dovecot.git

[PATCH 2/5] imap: Recreate multiplex ostream side channel after unhibernation

This will be needed by the following changes to send dict_reset commands via
the side channel.

Gbp-Pq: Name 0002-imap-Recreate-multiplex-ostream-side-channel-after-u.patch
---

diff --git a/src/imap/imap-state.c b/src/imap/imap-state.c
index 3736296..fbd383d 100644
--- a/src/imap/imap-state.c
+++ b/src/imap/imap-state.c
@@ -723,6 +723,13 @@ import_state_compress(struct client *client, const unsigned char *data,
 		*error_r = t_strdup_printf("Unknown COMPRESS handler %s", name);
 		return 0;
 	}
+	/* Recreate the side channel that cmd-compress would have created in
+	   the previous (now-exited) imap process. It is used to forward
+	   dict_reset commands back to the imap-login proxy after every tagged
+	   reply. */
+	if (client->multiplex_output != NULL &&
+	    client->side_channel_output == NULL)
+		client_create_side_channel_output(client);
 	return p - data;
 }