Hello!
Dovecot version: 2.3.16 (7e2e900c1a)
dovecon -n
deliver_log_format = from=%{from}, envelope_sender=%{from_envelope},
> subject=%{subject}, msgid=%m, size=%{size},
> delivery_time=%{delivery_time}ms, %$
> dict {
> acl = mysql:/etc/dovecot/dovecot-share-folder.conf
> lastlogin = mysql:/etc/dovecot/dovecot-last-login.conf
> quotadict = mysql:/etc/dovecot/dovecot-used-quota.conf
> }
> first_valid_uid = 2000
> last_valid_uid = 2000
> listen = * [::]
> lock_method = dotlock
> login_log_format_elements = user=<%u> method=%m rip=%r lip=%l mpid=%e %c
> %k session=<%{session}>
> mail_gid = 2000
> mail_location = maildir:%Lh/Maildir/:INDEX=%Lh/Maildir/
> mail_plugins = quota mailbox_alias acl mail_log notify
> mail_uid = 2000
> managesieve_notify_capability = mailto
> managesieve_sieve_capability = fileinto reject envelope encoded-character
> vacation subaddress comparator-i;ascii-numeric relational regex imap4flags
> copy include variables body enotify environment mailbox date index ihave
> duplicate mime foreverypart extracttext
> namespace {
> inbox = yes
> location =
> mailbox Archive {
> auto = no
> special_use = \Archive
> }
> mailbox Archives {
> auto = no
> special_use = \Archive
> }
> mailbox "Deleted Messages" {
> auto = no
> special_use = \Trash
> }
> mailbox Drafts {
> auto = subscribe
> special_use = \Drafts
> }
> mailbox Junk {
> auto = subscribe
> special_use = \Junk
> }
> mailbox "Junk E-mail" {
> auto = no
> special_use = \Junk
> }
> mailbox Sent {
> auto = subscribe
> special_use = \Sent
> }
> mailbox "Sent Items" {
> auto = no
> special_use = \Sent
> }
> mailbox "Sent Messages" {
> auto = no
> special_use = \Sent
> }
> mailbox Spam {
> auto = no
> special_use = \Junk
> }
> mailbox Trash {
> auto = subscribe
> special_use = \Trash
> }
> prefix =
> separator = /
> type = private
> }
> namespace {
> list = children
> location = maildir:%%Lh/Maildir/:INDEX=%%Lh/Maildir/Shared/%%Ld/%%Ln
> prefix = Shared/%%u/
> separator = /
> subscriptions = yes
> type = shared
> }
> passdb {
> args = /etc/dovecot/dovecot-mysql.conf
> driver = sql
> }
> passdb {
> args = /etc/dovecot/dovecot-master-users
> driver = passwd-file
> master = yes
> }
> plugin {
> acl = vfile
> acl_shared_dict = proxy::acl
> last_login_dict = proxy::lastlogin
> last_login_key = # hidden, use -P to show it
> mail_log_events = delete undelete expunge copy mailbox_create
> mailbox_delete mailbox_rename
> mail_log_fields = uid box msgid size from subject flags
> mailbox_alias_new = Sent Messages
> mailbox_alias_new2 = Sent Items
> mailbox_alias_old = Sent
> mailbox_alias_old2 = Sent
> quota = dict:user::proxy::quotadict
> quota_grace = 10%%
> quota_status_nouser = DUNNO
> quota_status_overquota = 552 5.2.2 Mailbox is full
> quota_status_success = DUNNO
> quota_warning = storage=100%% quota-warning 100 %u
> quota_warning2 = storage=95%% quota-warning 95 %u
> quota_warning3 = storage=90%% quota-warning 90 %u
> quota_warning4 = storage=85%% quota-warning 85 %u
> sieve = ~/sieve/dovecot.sieve
> sieve_before = /var/vmail/sieve/dovecot.sieve
> sieve_dir = ~/sieve
> sieve_global_dir = /var/vmail/sieve
> sieve_max_redirects = 30
> sieve_vacation_send_from_recipient = yes
> }
> protocols = pop3 imap sieve lmtp
> service auth {
> unix_listener /var/spool/postfix/private/dovecot-auth {
> group = postfix
> mode = 0666
> user = postfix
> }
> unix_listener auth-master {
> group = vmail
> mode = 0666
> user = vmail
> }
> unix_listener auth-userdb {
> group = vmail
> mode = 0660
> user = vmail
> }
> }
> service decode2text {
> executable = script /usr/libexec/dovecot/decode2text.sh
> unix_listener decode2text {
> mode = 0666
> }
> user = dovecot
> }
> service dict {
> unix_listener dict {
> group = vmail
> mode = 0660
> user = vmail
> }
> }
> service imap-login {
> process_limit = 500
> service_count = 1
> }
> service indexer-worker {
> process_limit = 0
> vsz_limit = 2 G
> }
> service lmtp {
> executable = lmtp -L
> inet_listener lmtp {
> address = 127.0.0.1
> port = 24
> }
> process_min_avail = 5
> unix_listener /var/spool/postfix/private/dovecot-lmtp {
> group = postfix
> mode = 0600
> user = postfix
> }
> user = vmail
> }
> service managesieve-login {
> inet_listener sieve {
> address = 127.0.0.1
> port = 4190
> }
> }
> service pop3-login {
> service_count = 1
> }
> service quota-status {
> client_limit = 1
> executable = quota-status -p postfix
> inet_listener {
> address = 127.0.0.1
> port = 12340
> }
> }
> service quota-warning {
> executable = script /usr/local/bin/dovecot-quota-warning.sh
> unix_listener quota-warning {
> group = vmail
> mode = 0660
> user = vmail
> }
> }
> service stats {
> fifo_listener stats-mail {
> group = vmail
> mode = 0664
> user = vmail
> }
> inet_listener {
> address = 127.0.0.1
> port = 24242
> }
> unix_listener stats-writer {
> group = vmail
> mode = 0660
> user = vmail
> }
> }
> ssl = required
> ssl_cert = </etc/pki/tls/certs/iRedMail.crt
> ssl_cipher_list = EECDH+CHACHA20:EECDH+AESGCM:EDH+AESGCM:AES256+EECDH
> ssl_dh = # hidden, use -P to show it
> ssl_key = # hidden, use -P to show it
> ssl_prefer_server_ciphers = yes
> syslog_facility = local5
> userdb {
> args = /etc/dovecot/dovecot-mysql.conf
> driver = sql
> }
> protocol lda {
> lda_mailbox_autocreate = yes
> lda_mailbox_autosubscribe = yes
> mail_plugins = quota mailbox_alias acl mail_log notify sieve last_login
> }
> protocol lmtp {
> lmtp_save_to_detail_mailbox = yes
> mail_plugins = quota mailbox_alias acl mail_log notify sieve last_login
> recipient_delimiter = +
> }
> protocol imap {
> imap_client_workarounds = tb-extra-mailbox-sep
> mail_max_userip_connections = 30
> mail_plugins = quota mailbox_alias acl mail_log notify imap_quota
> imap_acl last_login
> }
> protocol pop3 {
> mail_max_userip_connections = 30
> mail_plugins = quota mailbox_alias acl mail_log notify last_login
> pop3_client_workarounds = outlook-no-nuls oe-ns-eoh
> pop3_uidl_format = %08Xu%08Xv
> }
We are using virtiofs share mounted to /var/vmail
When dovecot tries to make a directory structure, it fails with error -
fchown: Invalid argument
strace doveadm mailbox create -u testu...@testdomain.com Trash
...
mkdir("/var/vmail/vmail1/
testdomain.com/t/e/s/testuser-2024.11.25.12.58.50//Maildir/.Trash", 0700) =
0
umask(077) = 000
openat(AT_FDCWD, "/var/vmail/vmail1/
testdomain.com/t/e/s/testuser-2024.11.25.12.58.50//Maildir/.Trash",
O_RDONLY) = 11
fchown(11, -1, -1) = -1 EINVAL (Invalid argument)
close(11) = 0
rmdir("/var/vmail/vmail1/
testdomain.com/t/e/s/testuser-2024.11.25.12.58.50//Maildir/.Trash") = 0
...
So there is no permission issue, directory successfully created. It seems
that virtiofs not allowing uid=-1 and gid=-1
I write a small C program for testing. And when
using fchown($FileDescriptor, 2000, 2000) there is no error.
I can't find a way to tell dovecot to use uid & gid 2000 when he tries to
do fchown.
If I create a directory structure manually, everything works well.
Maybe we can make some parameter in config, telling that we are using
virtiofs and skip EINVAL when doing fchown...
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