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[Dovecot] [PATCH] dovadm plugins underlinking
by Natanael Copa 12 Oct '12

12 Oct '12

Hi, Running doveadm on Alpine Linux will show various underlinking errors: /usr/bin/doveadm: symbol 'acl_user_module': can't resolve symbol in lib '/usr/lib/dovecot/doveadm/lib10_doveadm_acl_plugin.so'. /usr/bin/doveadm: symbol 'acl_identifier_parse': can't resolve symbol in lib '/usr/lib/dovecot/doveadm/lib10_doveadm_acl_plugin.so'. ... (complete list is found here: http://bugs.alpinelinux.org/issues/1274) I understand that those are "harmless" (at least as long as you dont use those plugins), and even if some dynamic linkers are forgiving, the doveadm plugin modules are technically underlinked. The lib10_doveadm_acl_plugin.so uses symbol acl_user_module: $ nm -D /usr/lib/dovecot/doveadm/lib10_doveadm_acl_plugin.so | grep acl_user_module U acl_user_module That symbol is defined in lib01_acl_plugin.so: $ nm -D /usr/lib/dovecot/lib01_acl_plugin.so | grep acl_user_module 000000000020fb80 D acl_user_module Which means that lib10_doveadm_acl_plugin.so should be directly linked to lib01_acl_plugin.so. But it is not: $ readelf -d /usr/lib/dovecot/doveadm/lib10_doveadm_acl_plugin.so | grep NEEDED 0x0000000000000001 (NEEDED) Shared library: [librt.so.0.9.32] 0x0000000000000001 (NEEDED) Shared library: [libc.so.0.9.32] Below is a patch that should solve it. --- diff -r 4d268e810c15 src/plugins/acl/Makefile.am --- a/src/plugins/acl/Makefile.am Mon Oct 08 08:53:54 2012 +0300 +++ b/src/plugins/acl/Makefile.am Wed Oct 10 11:03:49 2012 +0200 @@ -10,7 +10,8 @@ -I$(top_srcdir)/src/doveadm NOPLUGIN_LDFLAGS = -lib10_doveadm_acl_plugin_la_LDFLAGS = -module -avoid-version +lib10_doveadm_acl_plugin_la_LDFLAGS = -module -avoid-version -Wl,-rpath,$(moduledir) +lib10_doveadm_acl_plugin_la_LIBADD = $(module_LTLIBRARIES) lib01_acl_plugin_la_LDFLAGS = -module -avoid-version module_LTLIBRARIES = \ diff -r 4d268e810c15 src/plugins/expire/Makefile.am --- a/src/plugins/expire/Makefile.am Mon Oct 08 08:53:54 2012 +0300 +++ b/src/plugins/expire/Makefile.am Wed Oct 10 11:03:49 2012 +0200 @@ -14,7 +14,8 @@ -I$(top_srcdir)/src/doveadm NOPLUGIN_LDFLAGS = -lib10_doveadm_expire_plugin_la_LDFLAGS = -module -avoid-version +lib10_doveadm_expire_plugin_la_LDFLAGS = -module -avoid-version -Wl,-rpath,$(moduledir) +lib10_doveadm_expire_plugin_la_LIBADD = $(module_LTLIBRARIES) lib20_expire_plugin_la_LDFLAGS = -module -avoid-version module_LTLIBRARIES = \ diff -r 4d268e810c15 src/plugins/fts/Makefile.am --- a/src/plugins/fts/Makefile.am Mon Oct 08 08:53:54 2012 +0300 +++ b/src/plugins/fts/Makefile.am Wed Oct 10 11:03:49 2012 +0200 @@ -11,7 +11,8 @@ -I$(top_srcdir)/src/doveadm NOPLUGIN_LDFLAGS = -lib20_doveadm_fts_plugin_la_LDFLAGS = -module -avoid-version +lib20_doveadm_fts_plugin_la_LDFLAGS = -module -avoid-version -Wl,-rpath,$(moduledir) +lib20_doveadm_fts_plugin_la_LIBADD = $(module_LTLIBRARIES) lib20_fts_plugin_la_LDFLAGS = -module -avoid-version module_LTLIBRARIES = \ diff -r 4d268e810c15 src/plugins/quota/Makefile.am --- a/src/plugins/quota/Makefile.am Mon Oct 08 08:53:54 2012 +0300 +++ b/src/plugins/quota/Makefile.am Wed Oct 10 11:03:49 2012 +0200 @@ -11,7 +11,8 @@ -I$(top_srcdir)/src/doveadm NOPLUGIN_LDFLAGS = -lib10_doveadm_quota_plugin_la_LDFLAGS = -module -avoid-version +lib10_doveadm_quota_plugin_la_LDFLAGS = -module -avoid-version -Wl,-rpath,$(moduledir) +lib10_doveadm_quota_plugin_la_LIBADD = $(module_LTLIBRARIES) lib10_quota_plugin_la_LDFLAGS = -module -avoid-version module_LTLIBRARIES = \ diff -r 4d268e810c15 src/plugins/zlib/Makefile.am --- a/src/plugins/zlib/Makefile.am Mon Oct 08 08:53:54 2012 +0300 +++ b/src/plugins/zlib/Makefile.am Wed Oct 10 11:03:49 2012 +0200 @@ -11,7 +11,8 @@ -I$(top_srcdir)/src/doveadm NOPLUGIN_LDFLAGS = -lib10_doveadm_zlib_plugin_la_LDFLAGS = -module -avoid-version +lib10_doveadm_zlib_plugin_la_LDFLAGS = -module -avoid-version -Wl,-rpath,$(moduledir) +lib10_doveadm_zlib_plugin_la_LIBADD = $(module_LTLIBRARIES) lib20_zlib_plugin_la_LDFLAGS = -module -avoid-version module_LTLIBRARIES = \

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[Dovecot] imap proxy setup - "killed with signal 11"
by btb 12 Oct '12

12 Oct '12

hi- i'm setting up an imap proxy in front of a novell groupwise server. it seems to so far be partially working, but dovecot is having trouble in certain cases. i expect that it's ultimately due to what i believe is a very poor implementation of imap provided by groupwise [at least based on other experiences in the past] - but that's a big part of why i'd like to have dovecot in between it and clients. below is information collected during starting of dovecot, opening/initial connection from a client [os x mail.app], closing of the client, and stopping of dovecot. os is ubuntu 12.10 development/beta, dovecot is 2.1.7 courtesy of ubuntu's packages. log entries: Oct 11 13:24:33 halo dovecot: master: Dovecot v2.1.7 starting up Oct 11 13:24:49 halo dovecot: imap-login: Login: user=<jdoe>, method=PLAIN, rip=10.68.40.110, lip=10.59.1.53, mpid=14171, TLS, session=<iHgu2cvLlwAKRChu> Oct 11 13:24:50 halo dovecot: imap-login: Login: user=<jdoe>, method=PLAIN, rip=10.68.40.110, lip=10.59.1.53, mpid=14174, TLS, session=<t1E/2cvLoQAKRChu> Oct 11 13:24:51 halo dovecot: imap-login: Login: user=<jdoe>, method=PLAIN, rip=10.68.40.110, lip=10.59.1.53, mpid=14176, TLS, session=<OZlM2cvLqgAKRChu> Oct 11 13:24:51 halo dovecot: imap-login: Login: user=<jdoe>, method=PLAIN, rip=10.68.40.110, lip=10.59.1.53, mpid=14178, TLS, session=<d3NU2cvLsQAKRChu> Oct 11 13:24:51 halo dovecot: imap(jdoe): Connection closed in=16 out=350 Oct 11 13:24:52 halo dovecot: imap-login: Login: user=<jdoe>, method=PLAIN, rip=10.68.40.110, lip=10.59.1.53, mpid=14180, TLS, session=<oxNa2cvLtAAKRChu> Oct 11 13:24:52 halo dovecot: imap(jdoe): Error: imapc: Mailbox 'Trash' state corrupted: Expunged message reappeared in session (uid=6282 < next_uid=6283) Oct 11 13:24:52 halo dovecot: imap(jdoe): Fatal: master: service(imap): child 14176 killed with signal 11 (core dumped) Oct 11 13:24:57 halo dovecot: imap(jdoe): Error: imapc: Mailbox 'Trash' state corrupted: Expunged message reappeared in session (uid=6282 < next_uid=6283) Oct 11 13:24:57 halo dovecot: imap(jdoe): Fatal: master: service(imap): child 14178 killed with signal 11 (core dumped) Oct 11 13:24:57 halo dovecot: imap-login: Login: user=<jdoe>, method=PLAIN, rip=10.68.40.110, lip=10.59.1.53, mpid=14182, TLS, session=<FUCv2cvLuAAKRChu> Oct 11 13:24:58 halo dovecot: imap(jdoe): Error: imapc: Mailbox 'Trash' state corrupted: Expunged message reappeared in session (uid=6282 < next_uid=6283) Oct 11 13:24:58 halo dovecot: imap(jdoe): Fatal: master: service(imap): child 14180 killed with signal 11 (core dumped) Oct 11 13:25:03 halo dovecot: imap(jdoe): Error: imapc: Mailbox 'Trash' state corrupted: Expunged message reappeared in session (uid=6282 < next_uid=6283) Oct 11 13:25:03 halo dovecot: imap(jdoe): Fatal: master: service(imap): child 14182 killed with signal 11 (core dumped) Oct 11 13:25:03 halo dovecot: imap-login: Login: user=<jdoe>, method=PLAIN, rip=10.68.40.110, lip=10.59.1.53, mpid=14184, TLS, session=<DQkF2svLuwAKRChu> Oct 11 13:25:03 halo dovecot: imap(jdoe): Error: imapc: Mailbox 'Trash' state corrupted: Expunged message reappeared in session (uid=6282 < next_uid=6283) Oct 11 13:25:03 halo dovecot: imap(jdoe): Fatal: master: service(imap): child 14184 killed with signal 11 (core dumped) Oct 11 13:25:09 halo dovecot: imap(jdoe): Error: imapc: Mailbox 'Trash' state corrupted: Expunged message reappeared in session (uid=6282 < next_uid=6283) Oct 11 13:25:09 halo dovecot: imap(jdoe): Fatal: master: service(imap): child 14174 killed with signal 11 (core dumped) [repeats] Oct 11 13:25:27 halo dovecot: dns-client: Warning: Killed with signal 15 (by pid=1 uid=0 code=kill) Oct 11 13:25:27 halo dovecot: dns-client: Warning: Killed with signal 15 (by pid=1 uid=0 code=kill) Oct 11 13:25:27 halo dovecot: master: Warning: Killed with signal 15 (by pid=1 uid=0 code=kill) Oct 11 13:25:27 halo dovecot: auth: Warning: Killed with signal 15 (by pid=1 uid=0 code=kill) Oct 11 13:25:27 halo dovecot: config: Warning: Killed with signal 15 (by pid=1 uid=0 code=kill) Oct 11 13:25:27 halo dovecot: ssl-params: Warning: Killed with signal 15 (by pid=1 uid=0 code=kill) Oct 11 13:25:27 halo dovecot: anvil: Warning: Killed with signal 15 (by pid=1 uid=0 code=kill) Oct 11 13:25:27 halo dovecot: log: Warning: Killed with signal 15 (by pid=1 uid=0 code=kill) gdb backtrace: ~ >gdb /usr/lib/dovecot/imap /var/cache/imapproxy/jdoe/core GNU gdb (GDB) 7.5-ubuntu Copyright (C) 2012 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-linux-gnu". For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>... Reading symbols from /usr/lib/dovecot/imap...Reading symbols from /usr/lib/debug/usr/lib/dovecot/imap...done. done. [New LWP 13939] warning: Can't read pathname for load map: Input/output error. [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Core was generated by `dovecot/imap'. Program terminated with signal 11, Segmentation fault. #0 0x0000000000000000 in ?? () (gdb) bt full #0 0x0000000000000000 in ?? () No symbol table info available. #1 0x00007fc7f6cb611e in imap_parser_reset (parser=0x7fc7f8a0f3a0) at imap-parser.c:93 No locals. #2 0x00007fc7f6f7ada7 in imapc_connection_input_reset (conn=conn@entry=0x7fc7f8a0d270) at imapc-connection.c:664 No locals. #3 0x00007fc7f6f7c6f4 in imapc_connection_input_untagged (conn=conn@entry=0x7fc7f8a0d270) at imapc-connection.c:908 imap_args = 0x7fc7f8a0f4f8 name = 0x7fc7f8a0f5d0 "" value = <optimized out> parser = 0x0 reply = {name = 0x7fc7f8a0f5d0 "", num = 11, args = 0x7fc7f8a0f4f8, file_args = 0x7fc7f8a0d5d0, file_args_count = 0, resp_text_key = 0x0, resp_text_value = 0x0, untagged_box_context = 0x7fc7f8a1ad70} ret = <optimized out> #4 0x00007fc7f6f7d25e in imapc_connection_input_one (conn=0x7fc7f8a0d270) at imapc-connection.c:1061 tag = 0x7fc7f8a0f5c0 "" ret = -1 #5 imapc_connection_input_pending (conn=0x7fc7f8a0d270) at imapc-connection.c:1407 _data_stack_cur_id = 6 ret = <optimized out> #6 0x00007fc7f6f7d2c2 in imapc_connection_input (conn=0x7fc7f6c8f798) at imapc-connection.c:1100 errstr = <optimized out> ret = <optimized out> #7 0x00007fc7f6cdf006 in io_loop_call_io (io=0x7fc7f8a23800) at ioloop.c:379 ioloop = 0x7fc7f8a23630 t_id = 5 #8 0x00007fc7f6cdfcb7 in io_loop_handler_run (ioloop=ioloop@entry=0x7fc7f8a23630) at ioloop-epoll.c:213 ctx = 0x7fc7f8a23850 events = 0x7fc7f8a245e0 event = 0x7fc7f8a238c0 list = 0x7fc7f8a24320 io = <optimized out> tv = {tv_sec = 299, tv_usec = 999402} events_count = <optimized out> msecs = <optimized out> ret = 1 i = <optimized out> call = <optimized out> #9 0x00007fc7f6cdea18 in io_loop_run (ioloop=0x7fc7f8a23630) at ioloop.c:398 No locals. #10 0x00007fc7f6f7a0f7 in imapc_client_run_pre (client=<optimized out>) at imapc-client.c:142 connp = 0x7fc7f8a0cfe0 prev_ioloop = 0x7fc7f89e3670 #11 imapc_client_run (client=0x7fc7f8a0ce80) at imapc-client.c:161 No locals. #12 0x00007fc7f6f79254 in imapc_storage_run (storage=0x7fc7f8a0be60) at imapc-storage.c:118 No locals. #13 0x00007fc7f6f78311 in imapc_sync_index (ctx=0x7fc7f8a1fc70) at imapc-sync.c:351 mbox = 0x7fc7f8a1ad70 sync_rec = {uid1 = 47, uid2 = 0, type = (unknown: 4171272512), add_flags = 199 '\307', remove_flags = 127 '\177', keyword_idx = 0, guid_128 = "\000\000\000\000)\235\312\366\307\177\000\000p\255\241", <incomplete sequence \370>} seq1 = 32767 seq2 = 0 #14 imapc_sync_begin (force=<optimized out>, ctx_r=<synthetic pointer>, mbox=0x7fc7f8a1ad70) at imapc-sync.c:422 ctx = 0x7fc7f8a1fc70 sync_flags = <optimized out> ret = <optimized out> #15 imapc_sync (mbox=0x7fc7f8a1ad70) at imapc-sync.c:464 sync_ctx = <optimized out> force = <optimized out> #16 imapc_mailbox_sync_init (box=0x7fc7f8a1ad70, flags=(MAILBOX_SYNC_FLAG_FULL_READ | MAILBOX_SYNC_FLAG_FIX_INCONSISTENT)) at imapc-sync.c:498 mbox = 0x7fc7f8a1ad70 capabilities = <optimized out> changes = false ret = <optimized out> #17 0x00007fc7f6f8bd43 in mailbox_sync_init (box=0x7fc7f8a1ad70, flags=(MAILBOX_SYNC_FLAG_FULL_READ | MAILBOX_SYNC_FLAG_FIX_INCONSISTENT)) at mail-storage.c:1320 _data_stack_cur_id = 4 ctx = <optimized out> #18 0x00007fc7f6f8be67 in mailbox_sync (box=<optimized out>, flags=<optimized out>, flags@entry=MAILBOX_SYNC_FLAG_FULL_READ) at mail-storage.c:1368 ctx = <optimized out> status = {sync_delayed_expunges = 0} #19 0x00007fc7f74475d2 in select_open (readonly=false, mailbox=<optimized out>, ctx=0x7fc7f8a0da98) at cmd-select.c:296 client = 0x7fc7f8a13d30 status = {messages = 4171084000, recent = 32711, unseen = 0, uidvalidity = 0, uidnext = 13, first_unseen_seq = 0, first_recent_uid = 4137782496, last_cached_seq = 32711, highest_modseq = 13, keywords = 0x7fc7f6cd06fb <t_malloc0+43>, permanent_flags = 4171118192, nonpermanent_modseqs = 1, permanent_keywords = 1, allow_new_keywords = 1} flags = MAILBOX_FLAG_DROP_RECENT ret = <optimized out> #20 cmd_select_full (cmd=<optimized out>, readonly=<optimized out>) at cmd-select.c:419 ---Type <return> to continue, or q <return> to quit--- client = <optimized out> ctx = <optimized out> args = 0x7fc7f8a18598 list_args = 0x7fc7f89db0e0 mailbox = 0x7fc7f89db310 "Trash" ret = 1 __FUNCTION__ = "cmd_select_full" #21 0x00007fc7f744b29c in command_exec (cmd=cmd@entry=0x7fc7f8a0d9a0) at imap-commands.c:148 hook = 0x7fc7f89e4cd0 ret = <optimized out> #22 0x00007fc7f744a2ee in client_command_input (cmd=0x7fc7f6c8f798) at imap-client.c:682 client = 0x7fc7f8a13d30 command = <optimized out> __FUNCTION__ = "client_command_input" #23 0x00007fc7f744a39a in client_command_input (cmd=0x7fc7f8a0d9a0) at imap-client.c:733 client = 0x7fc7f8a13d30 command = <optimized out> __FUNCTION__ = "client_command_input" #24 0x00007fc7f744a5fd in client_handle_next_command (remove_io_r=<synthetic pointer>, client=0x7fc7f8a13d30) at imap-client.c:774 size = 19 #25 client_handle_input (client=client@entry=0x7fc7f8a13d30) at imap-client.c:786 _data_stack_cur_id = 3 ret = 112 remove_io = false handled_commands = false __FUNCTION__ = "client_handle_input" #26 0x00007fc7f744aef5 in client_input (client=0x7fc7f8a13d30) at imap-client.c:825 cmd = <optimized out> output = 0x7fc7f8a0d868 bytes = 19 __FUNCTION__ = "client_input" #27 0x00007fc7f6cdf006 in io_loop_call_io (io=0x7fc7f8a11c90) at ioloop.c:379 ioloop = 0x7fc7f89e3670 t_id = 2 #28 0x00007fc7f6cdfcb7 in io_loop_handler_run (ioloop=ioloop@entry=0x7fc7f89e3670) at ioloop-epoll.c:213 ctx = 0x7fc7f89e39e0 events = 0x7fc7f8a245e0 event = 0x7fc7f89e3a50 list = 0x7fc7f8a0f380 io = <optimized out> tv = {tv_sec = 1739, tv_usec = 996790} events_count = <optimized out> msecs = <optimized out> ret = 1 i = <optimized out> call = <optimized out> #29 0x00007fc7f6cdea18 in io_loop_run (ioloop=0x7fc7f89e3670) at ioloop.c:398 No locals. #30 0x00007fc7f6ccb463 in master_service_run (service=0x7fc7f89e3520, callback=callback@entry=0x7fc7f7452f70 <client_connected>) at master-service.c:544 No locals. #31 0x00007fc7f74428c7 in main (argc=1, argv=0x7fc7f89e3370) at main.c:389 set_roots = {0x7fc7f7658d20 <imap_setting_parser_info>, 0x0} login_set = {auth_socket_path = 0x7fc7f89db070 "/run/dovecot/auth-master", postlogin_socket_path = 0x0, postlogin_timeout_secs = 60, callback = 0x7fc7f7452e10 <login_client_connected>, failure_callback = 0x7fc7f7452b60 <login_client_failed>} service_flags = <optimized out> storage_service_flags = <optimized out> username = 0x0 c = <optimized out> (gdb) config: >doveconf -n # 2.1.7: /etc/dovecot/dovecot.conf # OS: Linux 3.5.0-17-generic x86_64 Ubuntu quantal (development branch) first_valid_gid = 999 first_valid_uid = 999 imapc_host = backend.example.com last_valid_gid = 999 last_valid_uid = 999 log_timestamp = "%d.%m.%Y %H.%M.%S " login_greeting = dovecot ready mail_gid = imapproxy mail_home = /var/cache/imapproxy/%u mail_location = imapc:%h/%n/Maildir mail_uid = imapproxy passdb { args = host=backend.example.com default_fields = userdb_imapc_user=%u userdb_imapc_password=%w driver = imap } protocols = " imap" service auth-worker { user = $default_internal_user } service auth { unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0666 user = postfix } } ssl = required ssl_cert = </etc/dovecot/pki/mra.example.com-cert.pem ssl_key = </etc/dovecot/pki/mra.example.com-key.pem userdb { driver = prefetch } verbose_proctitle = yes thanks -ben

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Re: [Dovecot] dovecot cores
by dovecot＠freakout.de 12 Oct '12

12 Oct '12

According to Timo Sirainen: > On 11.10.2012, at 9.43, dovecot(a)freakout.de wrote: > > Dovecot code is calling str_to_time() from libmysqlclient, > instead of from Dovecot's internal code. > Not the first time mysql conflicted with Dovecot code. > This could be worked around, but .. why is your dovecot > binary linked with libmysqlclient? > Only auth and dict binaries should be. > but dovecot's configure script does not allow to specify the mysql libs and headers explictly - only by global CPPFLAGS and LDFLAGS extensions, which are used for all binaries - when i tried to specify: ./configure --prefix=/opt/dovecot --sysconfdir=/etc/dovecot --mandir=/opt/dovecot/man \ --docdir=/opt/dovecot/doc --libexecdir=/opt/dovecot/sbin --datadir=/opt/dovecot \ --with-rundir=/var/dovecot/run --with-statedir=/var/dovecot/state \ --with-mysql=/opt/mysql/bin/mysql_config checking for ... checking pkg-config is at least version 0.9.0... yes configure: error: --with-mysql=path not supported. You may want to use instead: CPPFLAGS=-I/opt/mysql/bin/mysql_config/include LDFLAGS=-L/opt/mysql/bin/mysql_config/lib ./configure --with-mysql i followed the hint from the configure script above and run into the core-dumps due to symbol clash str_to_time. How to work around with mysql in non-standard location? Thanks Axel

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[Dovecot] per-user quotas
by David Mehler 12 Oct '12

12 Oct '12

Hello, I've got quotas set up on an all-user basis on my system, it's a Postfix, Dovecot, Mysql virtual users setup. Currently I have each user getting a 1GB quota with these settings in 90-quota.conf: plugin { quota_rule = *:storage=1G quota_rule2 = Trash:storage=+100M } plugin { quota = maildir:User quota } While this works it's not what I want for all users. Say I add a virtual user called user1 to the mysql database but he's a test user and I only want that user to have 25 megabytes of storage, reading the wiki on quotas per-user items such as for example in a database overrides the global items above, is this right? If so, I'm hoping I'm not going to have to redo my entire user database, some users will have per-user quotas while I'll let others have the global quota. Thanks. Dave.

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[Dovecot] Feature Request
by Marc Perkel 11 Oct '12

11 Oct '12

It would be handy (for me) if there were a userdb where a directory structure defined the db. userdb stat { mail_location=maildir:/fakedir/%d/%n:INBOX=/email/%d/%n:LAYOUT=fs } userdb stat { mail_location=maildir:/email/%d/%n:INBOX=/email/%d/%n:LAYOUT=fs } The idea being that if the first directory doesn't exist then it will try the second one.

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[Dovecot] Multiple Maildir?
by Marc Perkel 11 Oct '12

11 Oct '12

OK - Getting close to everything working in my weird configuration. Here's a problem I'm still having. I'm authenticating with this: userdb { driver = sql args = /etc/dovecot/master-combined-sql.conf } Default mail location: mail_location = maildir:/fakedir/%d/%n:INBOX=/email/%d/%n:LAYOUT=fs However - what I'd like to do is if the mail location doesn't exist then I want to try a second mail location: mail_location = maildir:/email/%d/%n:INBOX=/email/%d/%n:LAYOUT=fs How do I do that? Thanks in advance

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[Dovecot] Shared Squat index for public mailboxes
by Frerich Raabe 11 Oct '12

11 Oct '12

Hi, I'm running Dovecot 1.2.17 for serving mail via IMAP as well as for providing access to a mailing list archive. The archive is implemented as a public read-only mailbox with per-user index files (i.e. the \Seen flags are per-user). I recently enbled the Squat plugin to accelerate searches in the message bodies and noticed that every user (I'm using a virtual user setup) gets his own dovecot.index.search and dovecot.index.search.uids copies. Is it possible to share those files among all users of the system? The squat plugin appears to store the search indices among the other index files (as explained on http://wiki.dovecot.org/Plugins/FTS/Squat) no matter what; I considered storing a central copy of the index files somewhere and then creating symlinks for all users. It should be ok as far as file-permissions go since all mail is owned by a single vmail system user, but I wonder whether the indices are really the same (I noticed their md5 checksums differ) and whether there may be file locking issues in case two users search message bodies simultaneously. Can anybody shed some light? -- Frerich Raabe - raabe(a)froglogic.com www.froglogic.com - Multi-Platform GUI Testing

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[Dovecot] dovecot cores
by dovecot＠freakout.de 11 Oct '12

11 Oct '12

Hi dovecot-community, i have set up a new dovecot server - everything is self-compiled and with newest versions. dovecot daemon dies every night: Bugreport Mail - dovecot cores with sig11 my dovecot daemon cores every night - no message in log file. Please help. It runs in an OpenVZ container - therefore reiserfs is reported as filesystem. root@glen ~]# cat /etc/dovecot/dovecot.conf # 2.1.10: /etc/dovecot/dovecot.conf # OS: Linux 2.6.18-308.8.2.el5.028stab101.1PAE i686 CentOS release 5.8 (Final) reiserfs auth_mechanisms = plain login cram-md5 apop default_login_user = nobody disable_plaintext_auth = no first_valid_uid = 300 listen = * mail_gid = 332 mail_home = /var/dovecot mail_location = maildir:/var/spool/mail/virtual/%d/%n mail_plugins = quota mail_uid = 332 passdb { driver = sql args = /etc/dovecot/sql.conf } plugin { quota = maildir:User quota } protocols = imap pop3 ssl_cert = </etc/exim/glen.ypack.de.pem ssl_key = </etc/exim/glen.ypack.de.key userdb { driver = prefetch } userdb { driver = sql args = /etc/dovecot/sql.conf } protocol pop3 { pop3_client_workarounds = outlook-no-nuls oe-ns-eoh pop3_enable_last = yes pop3_uidl_format = %08Xu%08Xv } protocol imap { imap_client_workarounds = delay-newmail mail_plugins = quota imap_quota } root@glen ~]# cat /etc/dovecot/sql.conf driver = mysql connect = host=much dbname=toarx user=exim password=xxxxxxxx default_pass_scheme = PLAIN password_query = select login as username, password, dbuser_uid, dbuser_gid, dbuser_home, dbuser_mail, userdb_quota_rule from vusers where email = '%u' user_query = select login as username, password, dbuser_uid, dbuser_gid, dbuser_home, dbuser_mail, userdb_quota_rule from vusers where email = '%u' iterate_query = select email as user from vusers where user != 'odmr' root@glen run]# gdb /opt/dovecot/sbin/dovecot /var/dovecot/run/core.20049 GNU gdb (GDB) CentOS (7.0.1-42.el5.centos.1) Copyright (C) 2009 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "i386-redhat-linux-gnu". For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>... Reading symbols from /opt/dovecot-2.1.10-3/sbin/dovecot...(no debugging symbols found)...done. [New Thread 20049] Reading symbols from /opt/mysql/lib/libmysqlclient.so.18...done. Loaded symbols for /opt/mysql/lib/libmysqlclient.so.18 Reading symbols from /opt/dovecot/lib/libdovecot.so.0...done. Loaded symbols for /opt/dovecot/lib/libdovecot.so.0 Reading symbols from /lib/libgcc_s.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/libgcc_s.so.1 Reading symbols from /lib/libc.so.6...(no debugging symbols found)...done. Loaded symbols for /lib/libc.so.6 Reading symbols from /opt/mysql/lib/libstrings.so...done. Loaded symbols for /opt/mysql/lib/libstrings.so Reading symbols from /opt/zlib/lib/libz.so.1...(no debugging symbols found)...done. Loaded symbols for /opt/zlib/lib/libz.so.1 Reading symbols from /lib/libdl.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/libdl.so.2 Reading symbols from /lib/libpthread.so.0...(no debugging symbols found)...done. [Thread debugging using libthread_db enabled] Loaded symbols for /lib/libpthread.so.0 Reading symbols from /lib/libm.so.6...(no debugging symbols found)...done. Loaded symbols for /lib/libm.so.6 Reading symbols from /opt/ssp/lib/libssp.so.0...done. Loaded symbols for /opt/ssp/lib/libssp.so.0 Reading symbols from /lib/ld-linux.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/ld-linux.so.2 Reading symbols from /lib/libnss_files.so.2...(no debugging symbols found)...done. Loaded symbols for /lib/libnss_files.so.2 Core was generated by `/opt/dovecot/sbin/dovecot'. Program terminated with signal 11, Segmentation fault. #0 0xb7f95fe4 in str_to_time () from /opt/mysql/lib/libmysqlclient.so.18 (gdb) bt #0 0xb7f95fe4 in str_to_time () from /opt/mysql/lib/libmysqlclient.so.18 #1 0xb7f131c0 in master_instance_list_add_line (list=0x9d48880, line=0x9d540c8 "1349762052\tdovecot\t/var/dovecot/run\t") at master-instance.c:85 #2 0xb7f1331f in master_instance_list_refresh (list=0x9d48880) at master-instance.c:115 #3 0xb7f13620 in master_instance_write_init (list=0x9d48880, dotlock_r=0xbff6fb60) at master-instance.c:173 #4 0xb7f1390d in master_instance_list_set_name (list=0x9d48880, base_dir=0x8055300 "/var/dovecot/run", name=0x8055323 "dovecot") at master-instance.c:252 #5 0x0804c347 in net_accept () at network.c:502 #6 0xb7f3255b in io_loop_handle_timeouts_real (ioloop=0x9d465b0) at ioloop.c:354 #7 0xb7f325de in io_loop_handle_timeouts (ioloop=0x9d465b0) at ioloop.c:367 #8 0xb7f338b6 in io_loop_handler_run (ioloop=0x9d465b0) at ioloop-poll.c:171 #9 0xb7f326d3 in io_loop_run (ioloop=0x9d465b0) at ioloop.c:398 #10 0xb7f17304 in master_service_run (service=0x9d464e0, callback=0) at master-service.c:543 #11 0x0804d375 in net_accept () at network.c:502 #12 0xb7d84e9c in __libc_start_main () from /lib/libc.so.6 #13 0x0804b501 in net_accept () at network.c:502 (gdb) q Regards Axel

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[Dovecot] memory allocation in new thread
by . . 11 Oct '12

11 Oct '12

Hi! I have some problems with memory allocation. I create new thread in cidir storage and call malloc(), and it fails to allocate even 1 byte. What can cause this problem? Dovecot vesrion is: 2.1.10 (130563b592c9+) Sample code looks like this (I also link to pthread with: -pthread): #define TEST_MALLOC() \ { \ void *p; \ p = malloc(1); \ if (!p) { \ i_info("%s: malloc() failed", __FUNCTION__); \ } else { \ i_info("%s: malloc() succeeded", __FUNCTION__); \ free(p); \ } \ } #include <pthread.h> static void *test_pthread_malloc_func(void *data_) { TEST_MALLOC(); return NULL; } static void test_pthread_malloc() { int ret; pthread_t tid; TEST_MALLOC(); ret = pthread_create(&tid, NULL, test_pthread_malloc_func, NULL); if (ret) { i_info("failed to start thread"); } else { pthread_join(tid, NULL); } } I call test_pthread_malloc() function. It produces following output: Oct 11 12:56:15 imap(guest): Info: test_pthread_malloc: malloc() succeeded Oct 11 12:56:15 imap(guest): Info: test_pthread_malloc_func: malloc() failed

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[Dovecot] Irrelevant information filling logs
by 3.listas＠adminlinux.com.br 11 Oct '12

11 Oct '12

Hi, I have a "Ubuntu10.04 + dovecot-2.0.13" configuration in my server. My mailbox server is shared by ~ 10k domains. It works fine with ~50k accounts. There is a lot of logs of "quota exceeded" like this: Oct 10 13:00:56 mailboxserver5 dovecot: lmtp(29105, user@mailboxserver5): Error: ifcIN1NxdVCxcQAAMBx7mQ: sieve: msgid=unspecified: failed to store into mailbox 'INBOX': Quota exceeded (mailbox for user is full) These messages are not important to me. But these messages fill the log files, damaging the display of messages that could be important. Is there a way to send specific Dovecot errors on specific files or just discard them? Thanks -- Thiago Henrique adminlinux.com.br

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