Right,
Changes made to dovecot-2.0.5/src/lib-master/master-service.c
conn.listen_fd = l->fd;
conn.fd = net_accept(l->fd, &conn.remote_ip, &conn.remote_port);
i_error("conn.fd: %d",conn.fd);
i_error("l->fd: %d",l->fd);
i_error("&conn.remote_ip: %d",&conn.remote_ip);
i_error("&conn.remote_port: %d",&conn.remote_port);
if (conn.fd < 0) {
struct stat st;
int orig_errno = errno;
if (conn.fd == -1)
return;
if (errno == ENOTSOCK) {
/* it's not a socket. should be a fifo. */
} else if (errno == EINVAL &&
(fstat(l->fd, &st) < 0 || !S_ISFIFO(st.st_mode))) {
/* BSDI fails accept(fifo) with EINVAL. */
} else {
errno = orig_errno;
i_error("net_accept() failed: %m");
master_service_error(service);
return;
}
/* use the "listener" as the connection fd and stop the
listener. */
conn.fd = l->fd;
conn.listen_fd = l->fd;
conn.fifo = TRUE;
io_remove(&l->io);
l->fd = -1;
}
conn.ssl = l->ssl;
net_set_nonblock(conn.fd, TRUE);
to generate below log for debugging.
Oct 10 16:30:45 doctor dovecot: master: Dovecot v2.0.5 starting up (core dumps d
isabled)
Oct 10 16:30:45 doctor dovecot: log: Error: l->fd: 20
Oct 10 16:30:45 doctor dovecot: log: Error: &conn.remote_ip: 134511880
Oct 10 16:30:45 doctor dovecot: log: Error: &conn.remote_port: 134511900
Oct 10 16:30:45 doctor dovecot: log: Error: net_accept() failed: Invalid argumen
t
Oct 10 16:30:45 doctor dovecot: master: Error: service(imap-login): command star
tup failed, throttling
Oct 10 16:30:46 doctor dovecot: master: Error: service(pop3-login): command star
tup failed, throttling
Oct 10 16:31:46 doctor dovecot: master: Error: service(pop3-login): command star
tup failed, throttling
Oct 10 16:32:47 doctor dovecot: master: Error: service(pop3-login): command star
tup failed, throttling
Oct 10 16:33:44 doctor dovecot: master: Error: service(imap-login): command star
tup failed, throttling
Oct 10 16:33:47 doctor dovecot: master: Error: service(pop3-login): command star
tup failed, throttling
Oct 10 16:50:21 doctor dovecot: master: Dovecot v2.0.5 starting up (core dumps d
isabled)
Oct 10 16:50:21 doctor dovecot: log: Error: conn.fd: -2
Oct 10 16:50:21 doctor dovecot: log: Error: l->fd: 20
Oct 10 16:50:21 doctor dovecot: log: Error: &conn.remote_ip: 134511880
Oct 10 16:50:21 doctor dovecot: log: Error: &conn.remote_port: 134511900
Oct 10 16:50:21 doctor dovecot: log: Error: net_accept() failed: Invalid argumen
t
Oct 10 16:50:21 doctor dovecot: master: Error: service(pop3-login): command star
tup failed, throttling
Oct 10 16:50:21 doctor dovecot: master: Error: service(imap-login): command star
tup failed, throttling
Oct 10 16:50:52 doctor dovecot: master: Error: service(anvil): Initial status no
tification not received in 30 seconds, killing the process
Oct 10 16:50:52 doctor dovecot: master: Error: service(anvil): child 7962 killed
with signal 9
Oct 10 16:50:52 doctor dovecot: master: Error: service(anvil): command startup f
ailed, throttling
Oct 10 16:51:21 doctor dovecot: master: Error: service(pop3-login): command star
tup failed, throttling
Oct 10 16:51:22 doctor dovecot: master: Error: service(imap-login): command star
tup failed, throttling
Oct 10 16:52:22 doctor dovecot: master: Error: service(pop3-login): command star
tup failed, throttling
Configuration being used
# 2.0.0: dovecot.conf
# OS: BSD/OS 4.3 i386
auth_cache_negative_ttl = 3600 s
base_dir = /var/run/dovecot/
disable_plaintext_auth = no
first_valid_uid = 100
listen = *
##listen = 204.209.81.1
login_log_format_elements = user=<%u> method=%m rip=%r lip=%l %c
mail_debug=yes
mail_location = mbox:~/mail:INBOX=/var/mail/%u
mail_log_prefix = %Us(%u):
mdbox_rotate_size = 2048
passdb {
args = /etc/master.passwd
driver = passwd-file
}
protocols = imap pop3
service auth {
executable = /usr/dovecot2/libexec/dovecot/auth postlogin
user = root
vsz_limit = 256
}
service imap-login {
chroot = login
client_limit = 256
executable = /usr/dovecot2/libexec/dovecot/imap-login postlogin
inet_listener imaps {
address = 204.209.81.1
}
process_limit = 128
process_min_avail = 3
service_count = 1
user = dovecot
vsz_limit = 64
}
service imap {
executable = /usr/dovecot2/libexec/dovecot/imap postlogin
process_limit = 512
vsz_limit = 256
}
service pop3-login {
chroot = login
client_limit = 256
executable = /usr/dovecot2/libexec/dovecot/pop3-login postlogin
inet_listener pop3s {
address = 204.209.81.1
}
process_limit = 128
process_min_avail = 3
service_count = 1
user = dovecot
vsz_limit = 64
}
service pop3 {
executable = /usr/dovecot2/libexec/dovecot/pop3 postlogin
process_limit = 512
vsz_limit = 256
}
ssl_cert = /etc/ssl/certs/dovecot.pem
ssl_cipher_list = ALL:!LOW:!SSLv2
ssl_key = /etc/ssl/private/dovecot.pem
userdb {
driver = passwd
}
userdb {
args = /etc/passwd
driver = passwd-file
}
protocol imap {
imap_client_workarounds = delay-newmail tb-extra-mailbox-sep
imap_idle_notify_interval = 120 s
imap_logout_format = bytes=%i/%o
imap_max_line_length = 65536
mail_max_userip_connections = 10
mail_plugin_dir = /usr/dovecot2/lib/dovecot/imap
}
protocol pop3 {
mail_max_userip_connections = 3
mail_plugin_dir = /usr/dovecot2/lib/dovecot/pop3
pop3_enable_last = no
pop3_lock_session = no
pop3_logout_format = top=%t/%p, retr=%r/%b, del=%d/%m, size=%s
pop3_no_flag_updates = no
pop3_reuse_xuidl = no
pop3_save_uidl = no
pop3_uidl_format = %08Xu%08Xv
}
plugin {
home=/usr/dovecot2
}
service postlogin {
executable = /usr/dovecot2/libexec/dovecot/script-login
/usr/dovecot2/libexec/dovecot/rawlog
unix_listener postlogin {
}
}
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