err on the side of caution and make "index_mmap_invalidate = yes" the
default to totally negate the chance of index corruption at the cost of performance. ok naddy@
This commit is contained in:
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@ -1,6 +1,6 @@
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$OpenBSD: patch-dovecot-example_conf,v 1.2 2003/07/23 06:03:01 jolan Exp $
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--- dovecot-example.conf.orig Thu Jun 26 11:11:06 2003
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+++ dovecot-example.conf Tue Jul 15 15:42:11 2003
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$OpenBSD: patch-dovecot-example_conf,v 1.3 2003/08/30 00:11:31 jolan Exp $
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--- dovecot-example.conf.orig 2003-06-26 11:11:06.000000000 -0500
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+++ dovecot-example.conf 2003-08-28 20:20:17.000000000 -0500
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@@ -1,13 +1,12 @@
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## Dovecot 1.0 configuration file
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@ -85,19 +85,20 @@ $OpenBSD: patch-dovecot-example_conf,v 1.2 2003/07/23 06:03:01 jolan Exp $
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#mail_read_mmaped = no
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# Copy mail to another folders using hard links. This is much faster than
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@@ -267,6 +268,11 @@ login = pop3
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@@ -267,6 +268,12 @@ login = pop3
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# If you care about performance, enable it.
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#maildir_copy_with_hardlinks = no
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+# Call mmap() with MS_INVALIDATE flag each time before accessing message
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+# indexes. This is currently required with OpenBSD 3.3 and older versions.
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+# indexes. This option is recommended on OpenBSD 3.4 and older versions
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+# to negate the risk of corruption when rebuilding indexes.
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+# It's also required if you insist on saving index files over NFS.
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+#index_mmap_invalidate = no
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+index_mmap_invalidate = yes
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+
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# Check if mails' content has been changed by external programs. This slows
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# down things as extra stat() needs to be called for each file. If changes are
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# noticed, the message is treated as a new message, since IMAP protocol
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@@ -284,7 +290,7 @@ login = pop3
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@@ -284,7 +291,7 @@ login = pop3
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# with is important to avoid deadlocks if other MTAs/MUAs are using both fcntl
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# and flock. Some operating systems don't allow using both of them
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# simultaneously, eg. BSDs. If dotlock is used, it's always created first.
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@ -106,7 +107,7 @@ $OpenBSD: patch-dovecot-example_conf,v 1.2 2003/07/23 06:03:01 jolan Exp $
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# Should we create dotlock file even when we want only a read-lock? Setting
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# this to yes hurts the performance when the mailbox is accessed simultaneously
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@@ -314,7 +320,7 @@ login = pop3
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@@ -314,7 +321,7 @@ login = pop3
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##
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# Executable location
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@ -115,7 +116,7 @@ $OpenBSD: patch-dovecot-example_conf,v 1.2 2003/07/23 06:03:01 jolan Exp $
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# Set max. process size in megabytes. Most of the memory goes to mmap()ing
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# files, so it shouldn't harm much even if this limit is set pretty high.
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@@ -322,14 +328,14 @@ login = pop3
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@@ -322,14 +329,14 @@ login = pop3
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# Support for dynamically loadable modules.
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#imap_use_modules = no
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@ -132,7 +133,7 @@ $OpenBSD: patch-dovecot-example_conf,v 1.2 2003/07/23 06:03:01 jolan Exp $
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# Set max. process size in megabytes. Most of the memory goes to mmap()ing
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# files, so it shouldn't harm much even if this limit is set pretty high.
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@@ -337,7 +343,7 @@ login = pop3
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@@ -337,7 +344,7 @@ login = pop3
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# Support for dynamically loadable modules.
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#pop3_use_modules = no
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@ -141,7 +142,7 @@ $OpenBSD: patch-dovecot-example_conf,v 1.2 2003/07/23 06:03:01 jolan Exp $
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##
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## Authentication processes
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@@ -386,10 +392,10 @@ auth_userdb = passwd
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@@ -386,10 +393,10 @@ auth_userdb = passwd
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# vpopmail: vpopmail authentication
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# ldap <config path>: LDAP, see doc/dovecot-ldap.conf
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# pgsql <config path>: a PostgreSQL database, see doc/dovecot-pgsql.conf
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@ -1,6 +1,6 @@
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$OpenBSD: patch-src_imap_main_c,v 1.1 2003/07/23 06:03:01 jolan Exp $
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--- src/imap/main.c.orig Mon May 26 10:27:13 2003
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+++ src/imap/main.c Tue Jul 15 15:17:22 2003
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$OpenBSD: patch-src_imap_main_c,v 1.2 2003/08/30 00:11:31 jolan Exp $
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--- src/imap/main.c.orig 2003-05-26 10:27:13.000000000 -0500
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+++ src/imap/main.c 2003-08-28 20:15:40.000000000 -0500
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@@ -21,6 +21,7 @@
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struct ioloop *ioloop;
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@ -9,13 +9,13 @@ $OpenBSD: patch-src_imap_main_c,v 1.1 2003/07/23 06:03:01 jolan Exp $
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static struct module *modules;
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static char log_prefix[128]; /* syslog() needs this to be permanent */
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@@ -129,6 +130,9 @@ static void main_init(void)
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str = getenv("MAILBOX_CHECK_INTERVAL");
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@@ -130,6 +131,9 @@ static void main_init(void)
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mailbox_check_interval = str == NULL ? 0 :
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(unsigned int)strtoul(str, NULL, 10);
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+
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+ mailbox_open_flags = getenv("MMAP_INVALIDATE") != NULL ?
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+ MAILBOX_OPEN_MMAP_INVALIDATE : 0;
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+
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client = client_create(hin, hout, storage);
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o_stream_cork(client->output);
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@ -4,5 +4,3 @@ several coding techniques to avoid most of the common pitfalls. Dovecot
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can work with standard mbox and maildir formats and it's fully
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compatible with UW-IMAP and Courier IMAP servers as well as mail clients
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accessing the mailboxes directly.
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WWW: ${HOMEPAGE}
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