two unrelated issues, lastlogin, and an out of memory fatal error

Aki Tuomi aki.tuomi at dovecot.fi
Wed Apr 11 11:48:50 EEST 2018


Hi!


On 10.04.2018 19:31, David Mehler wrote:
> Hello,
>
> I've got a few misc issues that I'm trying to get a handle on.
>
> I'm having what is probably a simple error with last logins. It's not
> working, unable to write values to the database. Here's the log lines:
>
> 2018-04-10 10:43:34 imap-login: Info: Login: user=<user at domain.com>,
> method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, mpid=75934, TLS,
> session=<db0EjH9pOix/AAAB>
> 2018-04-10 10:43:34 imap(user at domain.com)<75934><db0EjH9pOix/AAAB>:
> Error: last_login_dict: Failed to write value for user
> user at domain.com: dict-server returned failure: sql dict: commit
> failed: Field 'name' doesn't have a default value (reply took 0.013
> secs (0.000 in dict wait, 0.012 in other ioloops, 0.000 in locks,
> async-id reply 0.002 secs ago, started on dict-server 0.005 secs ago,
> took 0.005 secs))
It's attempting to insert a new row there for some reason. I'd recommend
using separate table for last-login values.

> Here's an excerpt from my dovecot-dict-sql.conf.ext file:
>
> map {
>   pattern = shared/last-login/$user
>   table = accounts
>   value_field = last_login
>   value_type = uint
>
>   fields {
>     username = $user
>   }
> }
>
> and the relevant database table:
> describe accounts;
> +------------+------------------+------+-----+---------+----------------+
>
> | Field      | Type             | Null | Key | Default | Extra          |
>
> +------------+------------------+------+-----+---------+----------------+
>
> | id         | int(10) unsigned | NO   | PRI | NULL    | auto_increment |
>
> | name       | varchar(255)     | NO   |     | NULL    |                |
>
> | username   | varchar(64)      | NO   | MUL | NULL    |                |
>
> | domain     | varchar(255)     | NO   | MUL | NULL    |                |
>
> | password   | varchar(255)     | NO   |     | NULL    |                |
>
> | quota      | int(10) unsigned | YES  |     | 0       |                |
>
> | enabled    | tinyint(1)       | YES  |     | 0       |                |
>
> | sendonly   | tinyint(1)       | YES  |     | 0       |                |
>
> | last_login | int(11)          | YES  |     | NULL    |                |
>
>
> Second issue, I've used imapsync to download my gmail messages to
> dovecot. I am atempting to access these messages and getting:
> 2018-04-08 11:11:58
> indexer-worker(user at domain.com)<44193><4GzoqFdpisJ/AAAB:StoZDD4xylqhrAAA0J78UA>:
> Info: Indexed 0 messages in INBOX
> 2018-04-08 11:11:58
> indexer-worker(user at domain.com)<44193><4GzoqFdpisJ/AAAB:0AaXFD4xylqhrAAA0J78UA>:
> Info: Indexed 0 messages in INBOX
> 2018-04-08 11:11:58
> indexer-worker(user at domain.com)<44193><4GzoqFdpisJ/AAAB:CP3TIT4xylqhrAAA0J78UA>:
> Info: Indexed 0 messages in INBOX
> 2018-04-08 11:11:58
> indexer-worker(user at domain.com)<44193><4GzoqFdpisJ/AAAB:eNEWMT4xylqhrAAA0J78UA>:
> Info: Indexed 0 messages in INBOX
> 2018-04-08 11:15:28 imap(user at domain.com)<21374><4GzoqFdpisJ/AAAB>:
> Fatal: block_alloc(8388608): Out of memory
> 2018-04-08 11:15:28 imap(user at domain.com)<21374><4GzoqFdpisJ/AAAB>:
> Fatal: master: service(imap): child 21374 returned error 83 (Out of
> memory (service imap { vsz_limit=256 MB }, you may need to increase
> it) - set CORE_OUTOFMEM=1 environment to get core dump)
>
> when I atempt to do so. For completeness the imapsync command I used was:
>
> imapsync --host1 imap.gmail.com --user1 Username --password1 Password
> --host2 localhost --user2 username --password2 Password --ssl1
> --useheader 'Message-Id' --regextrans2 's/\[Gmail\]/user\@domain/'
>

Increase memory, your cache takes more memory than you have anticipated.

> Any help appreciated on either issue.
> Thanks.
> Dave.
>
> doveconf -n
> # 2.3.1 (8e2f634): /usr/local/etc/dovecot/dovecot.conf
> # Pigeonhole version 0.5.1 (d9bc6dfe)
> # OS: FreeBSD 11.1-RELEASE-p4 amd64
> # Hostname: localhost
> auth_cache_size = 24 M
> auth_cache_ttl = 18 hours
> auth_default_realm = domain.com
> auth_mechanisms = plain login
> dict {
>   acl = mysql:/usr/local/etc/dovecot/dovecot-dict-sql.conf.ext
>   lastlogin = mysql:/usr/local/etc/dovecot/dovecot-dict-sql.conf.ext
>   quota = mysql:/usr/local/etc/dovecot/dovecot-dict-sql.conf.ext
> }
> first_valid_gid = 999
> first_valid_uid = 999
> hostname = xxxx.xxxx.xxxx
> imap_idle_notify_interval = 10 mins
> last_valid_gid = 999
> last_valid_uid = 999
> lda_mailbox_autocreate = yes
> lda_mailbox_autosubscribe = yes
> lda_original_recipient_header = X-Original-To
> listen = 127.0.0.1 xxx.xxx.xxx.xxx
> log_path = /var/log/dovecot/dovecot.log
> log_timestamp = "%Y-%m-%d %H:%M:%S "
> mail_access_groups = vmail
> mail_gid = vmail
> mail_home = /home/vmail/mailboxes/%d/%n
> mail_location = maildir:~/mail:LAYOUT=fs
> mail_plugins = acl mail_log notify quota trash virtual welcome zlib
> mail_privileged_group = vmail
> mail_server_admin = mailto:postmaster at davemehler.com
> mail_uid = vmail
> mailbox_idle_check_interval = 59 secs
> 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 spamtest spamtestplus virustest editheader imapflags
> notify imapsieve vnd.dovecot.imapsieve
> namespace {
>   location = maildir:/home/vmail/public/:LAYOUT=fs:CONTROL=~/mail/public:INDEX=~/mail/public
>   mailbox office {
>     auto = subscribe
>     comment = Public Folder for message sharing
>   }
>   prefix = public/
>   separator = /
>   subscriptions = yes
>   type = public
> }
> namespace inbox {
>   inbox = yes
>   location =
>   mailbox Archives {
>     auto = subscribe
>     special_use = \Archive
>   }
>   mailbox Drafts {
>     auto = subscribe
>     special_use = \Drafts
>   }
>   mailbox Sent {
>     auto = subscribe
>     special_use = \Sent
>   }
>   mailbox Spam {
>     auto = subscribe
>     autoexpunge = 30 days
>     special_use = \Junk
>   }
>   mailbox Trash {
>     auto = subscribe
>     autoexpunge = 30 days
>     special_use = \Trash
>   }
>   mailbox virtual/All {
>     comment = All my messages
>     special_use = \All
>   }
>   prefix =
>   separator = /
>   type = private
> }
> namespace virtual {
>   location = virtual:/usr/local/etc/dovecot/virtual:INDEX=~/virtual:CONTROL=~/virtual
>   prefix = virtual/
>   separator = /
> }
> passdb {
>   args = /usr/local/etc/dovecot/dovecot-sql.conf.ext
>   driver = sql
> }
> plugin {
>   acl = vfile:/usr/local/etc/dovecot/global-acls:cache_secs=300
>   acl_globals_only = yes
>   acl_shared_dict = proxy::acl
>   fts = lucene
>   fts_autoindex = yes
>   fts_autoindex_max_recent_msgs = 80
>   fts_index_timeout = 90
>   fts_lucene = whitespace_chars=@. normalize no_snowball
>   imapsieve_mailbox1_before = file:/home/vmail/sieve/global/report-spam.sieve
>   imapsieve_mailbox1_causes = COPY
>   imapsieve_mailbox1_name = Spam
>   imapsieve_mailbox2_before = file:/home/vmail/sieve/global/report-ham.sieve
>   imapsieve_mailbox2_causes = COPY
>   imapsieve_mailbox2_from = Spam
>   imapsieve_mailbox2_name = *
>   last_login_dict = proxy::lastlogin
>   last_login_key = last-login/%n
>   mail_log_events = delete undelete expunge copy mailbox_delete mailbox_rename
>   mail_log_fields = uid box msgid size
>   quota = dict:User quota::proxy::quota
>   quota_exceeded_message = Storage quota for this account has been
> exceeded, please try again later.
>   quota_grace = 10%%
>   quota_status_nouser = DUNNO
>   quota_status_overquota = 552 5.2.2 Mailbox is full
>   quota_status_success = DUNNO
>   quota_vsizes = true
>   quota_warning = storage=100%% quota-exceeded 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
>   quota_warning5 = storage=75%% quota-warning 75 %u
>   sieve = ~/.dovecot.sieve
>   sieve_before = /home/vmail/sieve/before.d
>   sieve_default = /home/vmail/sieve/default.sieve
>   sieve_dir = ~/sieve
>   sieve_extensions = +notify +imapflags +spamtest +spamtestplus
> +virustest +editheader
>   sieve_global_dir = /home/vmail/sieve
>   sieve_global_extensions = +vnd.dovecot.pipe +vnd.dovecot.execute
> +vnd.dovecot.environment
>   sieve_max_redirects = 30
>   sieve_max_script_size = 1M
>   sieve_pipe_bin_dir = /home/vmail/sieve
>   sieve_plugins = sieve_imapsieve sieve_extprograms
>   sieve_spamtest_max_header = X-Spamd-Result: default: [[:alnum:]]+
> \[-?[[:digit:]]+\.[[:digit:]]+ / (-?[[:digit:]]+\.[[:digit:]]+)\]
>   sieve_spamtest_status_header = X-Spamd-Result: default: [[:alnum:]]+
> \[(-?[[:digit:]]+\.[[:digit:]]+) / -?[[:digit:]]+\.[[:digit:]]+\]
>   sieve_spamtest_status_type = score
>   sieve_user_log = /home/vmail/sieve/sieve_error.log
>   sieve_virustest_status_header = X-Virus-Scan: Found to be (.+)\.
>   sieve_virustest_status_type = text
>   sieve_virustest_text_value1 = clean
>   sieve_virustest_text_value5 = infected
>   trash = /usr/local/etc/dovecot/trash.conf
>   welcome_script = welcome %u postmaster@%d
>   welcome_wait = yes
> }
> postmaster_address = postmaster at xxx
> protocols = imap lmtp sieve
> sendmail_path = /usr/local/sbin/sendmail
> service auth-worker {
>   user = vmail
> }
> service auth {
>   unix_listener /var/spool/postfix/private/auth {
>     group = postfix
>     mode = 0666
>     user = postfix
>   }
>   unix_listener auth-userdb {
>     group = vmail
>     mode = 0666
>     user = vmail
>   }
> }
> service dict {
>   unix_listener dict {
>     group = vmail
>     mode = 0660
>     user = vmail
>   }
>   user = root
> }
> service imap-login {
>   inet_listener imap {
>     address = 127.0.0.1
>   }
>   inet_listener imaps {
>     address = xxx.xxx.xxx.xxx
>     port = 993
>     ssl = yes
>   }
> }
> service imap-postlogin {
>   executable = script-login /usr/local/etc/dovecot/trackauth.sh
>   user = vmail
> }
> service imap {
>   executable = imap imap-postlogin
> }
> service lmtp {
>   executable = lmtp
>   unix_listener /var/spool/postfix/private/dovecot-lmtp {
>     group = postfix
>     mode = 0666
>     user = postfix
>   }
> }
> service managesieve-login {
>   inet_listener sieve {
>     address = 127.0.0.1
>     port = 4190
>   }
> }
> service quota-status {
>   client_limit = 1
>   executable = quota-status -p postfix
>   unix_listener /var/spool/postfix/private/dovecot-quota {
>     group = postfix
>     mode = 0660
>     user = postfix
>   }
> }
> service quota-warning {
>   executable = script /usr/local/etc/dovecot/quota-warning.sh
>   unix_listener quota-warning {
>     group = vmail
>     mode = 0660
>     user = vmail
>   }
>   user = vmail
> }
> service welcome {
>   executable = script /usr/local/etc/dovecot/welcome.sh
>   unix_listener welcome {
>     user = vmail
>   }
>   user = vmail
> }
> ssl = required
> ssl_cert = </usr/local/etc/ssl/acme/davemehler.com/fullchain.pem
> ssl_cipher_list =
> ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256
> ssl_dh =  # hidden, use -P to show it
> ssl_key =  # hidden, use -P to show it
> ssl_min_protocol = TLSv1.2
> ssl_prefer_server_ciphers = yes
> userdb {
>   args = /usr/local/etc/dovecot/dovecot-sql.conf.ext
>   driver = sql
> }
> protocol lmtp {
>   info_log_path = /var/log/dovecot/dovecot-lmtp.log
>   log_path = /var/log/dovecot/dovecot-lmtp-errors.log
>   mail_plugins = acl mail_log notify quota trash virtual welcome zlib sieve
> }
> protocol lda {
>   mail_plugins = acl mail_log notify quota trash virtual welcome zlib sieve
> }
> protocol imap {
>   mail_max_userip_connections = 20
>   mail_plugins = acl mail_log notify quota trash virtual welcome zlib
> imap_acl imap_quota imap_sieve imap_zlib last_login fts fts_lucene
> }
> protocol sieve {
>   info_log_path = /var/log/dovecot/dovecot-sieve.log
>   log_path = /var/log/dovecot/dovecot-sieve-errors.log
> }



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