systemd integration not working

[Joan Moreau]

Looking at config.log, there is #define HAVE_LIBSYSTEMD 1

But "Type=notify" does not appear

My systemd is version 248

On 2021-04-26 12:05, Joan Moreau wrote:

> I have
> 
> # sudo systemctl status dovecot
> ● dovecot.service - Dovecot IMAP/POP3 email server
> Loaded: loaded (/usr/lib/systemd/system/dovecot.service; enabled; 
> vendor preset: disabled)
> Active: active (running) since Sun 2021-04-25 20:13:25 UTC; 14h ago
> Docs: man:dovecot(1)
> https://doc.dovecot.org/
> Main PID: 2559364 (dovecot)
> Tasks: 28 (limit: 76912)
> Memory: 1.0G
> CPU: 7min 18.342s
> CGroup: /system.slice/dovecot.service
> ├─2559364 /usr/sbin/dovecot -F
> ├─2559366 dovecot/imap-login
> ├─2559367 dovecot/anvil [11 connections]
> ├─2559368 dovecot/log
> 
> On 2021-04-26 08:32, Aki Tuomi wrote:
> I don't know then. It works for me and I just tried it again. The only 
> reason it would fail would be that HAVE_LIBSYSTEMD is not defined, so 
> it would not be using libsystemd for notify support.
> 
> $ sudo systemctl status dovecot
> ● dovecot.service - Dovecot IMAP/POP3 email server
> Loaded: loaded (/lib/systemd/system/dovecot.service; disabled; vendor 
> preset: enabled)
> Active: active (running) since Mon 2021-04-26 10:30:02 EEST; 2s ago
> Docs: man:dovecot(1)
> https://doc.dovecot.org/
> Main PID: 30213 (dovecot)
> Status: "v2.4.devel (98a1cca054) running"
> Tasks: 4 (limit: 4701)
> Memory: 3.3M
> CGroup: /system.slice/dovecot.service
> ├─30213 /home/cmouse/dovecot/sbin/dovecot -F
> ├─30214 dovecot/anvil
> ├─30215 dovecot/log
> └─30216 dovecot/config
> 
> You can tell from the "Status" line that it's using Type=notify.
> 
> Aki
> 
> On 26/04/2021 10:29 Joan Moreau <jom at grosjo.net> wrote:
> 
> Yes, I do run autogen.sh after every "git pull"
> 
> On 2021-04-26 08:21, Aki Tuomi wrote: The current autoconf code is bit 
> buggy, but if you do indeed have libsystemd-dev installed it should do 
> the right thing and will work with systemd even if you have 
> Type=notify.
> 
> This has been actually tested, so if it's not working, then something 
> else is wrong.
> 
> Did you remember to run ./autogen.sh after pulling from git to make 
> sure you get new configure script?
> 
> Aki
> 
> On 26/04/2021 10:11 Joan Moreau <jom at grosjo.net> wrote:
> 
> Yes systemd is installed (and the "dev" files as well)
> 
> On 2021-04-26 06:23, Aki Tuomi wrote: This is because you are not 
> compiling with libsystemd-dev installed. I guess we need to make some 
> service template that use type simple when you don't use libsystemd.
> 
> Aki
> 
> On 25/04/2021 22:53 Joan Moreau <jom at grosjo.net> wrote:
> 
> Yes, it seems fixed with this patch :)
> 
> Another bug with git, is the "type=" in systemd is switched from 
> "simple" to "notify". The later does not work and reverting to "simple" 
> does work
> 
> On 2021-04-25 17:53, Aki Tuomi wrote: On 24/04/2021 21:56 Joan Moreau 
> <jom at grosjo.net> wrote:
> 
> chroot= does not resolve the issue
> I have "chroot = login" in my conf
> 
> Thanks!
> 
> The chroot was needed to get the core dump.
> 
> Can you try if this does fix the crash?
> 
> Aki
> 
> From 1df4e02cbff710ce8938480b07a5690e37f661f6 Mon Sep 17 00:00:00 2001
> From: Timo Sirainen <timo.sirainen at open-xchange.com>
> Date: Fri, 23 Apr 2021 16:43:36 +0300
> Subject: [PATCH] login-common: Fix handling destroyed_clients linked 
> list
> 
> The client needs to be removed from destroyed_clients linked list 
> before
> it's added to client_fd_proxies linked list.
> 
> Broken by 1c622cdbe08df2f642e28923c39894516143ae2a
> ---
> src/login-common/client-common.c | 11 +++++++----
> 1 file changed, 7 insertions(+), 4 deletions(-)
> 
> diff --git a/src/login-common/client-common.c 
> b/src/login-common/client-common.c
> index bdb6e9c798..1d264d9f75 100644
> --- a/src/login-common/client-common.c
> +++ b/src/login-common/client-common.c
> @@ -289,8 +289,9 @@ void client_disconnect(struct client *client, const 
> char *reason,
> /* Login was successful. We may now be proxying the connection,
> so don't disconnect the client until client_unref(). */
> if (client->iostream_fd_proxy != NULL) {
> + i_assert(!client->fd_proxying);
> client->fd_proxying = TRUE;
> - i_assert(client->prev == NULL && client->next == NULL);
> + DLLIST_REMOVE(&destroyed_clients, client);
> DLLIST_PREPEND(&client_fd_proxies, client);
> client_fd_proxies_count++;
> }
> @@ -307,8 +308,9 @@ void client_destroy(struct client *client, const 
> char *reason)
> 
> if (last_client == client)
> last_client = client->prev;
> - /* remove from clients linked list before it's added to
> - client_fd_proxies. */
> + /* move to destroyed_clients linked list before it's potentially
> + added to client_fd_proxies. */
> + i_assert(!client->fd_proxying);
> DLLIST_REMOVE(&clients, client);
> DLLIST_PREPEND(&destroyed_clients, client);
> 
> @@ -409,13 +411,14 @@ bool client_unref(struct client **_client)
> DLLIST_REMOVE(&client_fd_proxies, client);
> i_assert(client_fd_proxies_count > 0);
> client_fd_proxies_count--;
> + } else {
> + DLLIST_REMOVE(&destroyed_clients, client);
> }
> i_stream_unref(&client->input);
> o_stream_unref(&client->output);
> i_close_fd(&client->fd);
> event_unref(&client->event);
> 
> - DLLIST_REMOVE(&destroyed_clients, client);
> i_free(client->proxy_user);
> i_free(client->proxy_master_user);
> i_free(client->virtual_user);
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