package-update/mail/dovecot/dovecot-2.2.1-0000-upstream-fixes.patch

# --- SDE-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
#
# Filename: package/.../dovecot/dovecot-2.2.1-0000-upstream-fixes.patch
# Copyright (C) 2013 The OpenSDE Project
#
# More information can be found in the files COPYING and README.
#
# This patch file is dual-licensed. It is available under the license the
# patched project is licensed under, as long as it is an OpenSource license
# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
# of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
# --- SDE-COPYRIGHT-NOTE-END ---

From a69bfa0e486d70db4ee6e7553bd7235d9707ff58 Mon Sep 17 00:00:00 2001
From: Timo Sirainen <tss@iki.fi>
Date: Fri, 19 Apr 2013 14:29:23 +0300
Subject: [PATCH] Compiling fix for Sun compilers. I wish gcc/clang warned
 about these as well, as sometimes they indicate bugs.


diff --git a/src/imap-urlauth/imap-urlauth-worker.c b/src/imap-urlauth/imap-urlauth-worker.c
index ad02c81..6d94a8f 100644
--- a/src/imap-urlauth/imap-urlauth-worker.c
+++ b/src/imap-urlauth/imap-urlauth-worker.c
@@ -941,7 +941,7 @@ static void main_stdio_run(const char *access_user,
 {
 	bool debug;
 
-	debug = getenv("DEBUG");
+	debug = getenv("DEBUG") != NULL;
 	access_user = access_user != NULL ? access_user : getenv("USER");
 	if (access_user == NULL && IS_STANDALONE())
 		access_user = getlogin();
diff --git a/src/lib/ioloop.c b/src/lib/ioloop.c
index b89adcf..179507c 100644
--- a/src/lib/ioloop.c
+++ b/src/lib/ioloop.c
@@ -663,7 +663,7 @@ struct timeout *io_loop_move_timeout(struct timeout **_timeout)
 
 bool io_loop_have_ios(struct ioloop *ioloop)
 {
-	return ioloop->io_files;
+	return ioloop->io_files != NULL;
 }
 
 bool io_loop_have_immediate_timeouts(struct ioloop *ioloop)
-- 
1.7.10.2


From d70baed80e47be3a7587901278dc74811f0a4873 Mon Sep 17 00:00:00 2001
From: Timo Sirainen <tss@iki.fi>
Date: Sat, 20 Apr 2013 20:58:06 +0300
Subject: [PATCH] stats plugin: Fixed memory leak.


diff --git a/src/plugins/stats/stats-plugin.c b/src/plugins/stats/stats-plugin.c
index 27dae5b..ee4e9af 100644
--- a/src/plugins/stats/stats-plugin.c
+++ b/src/plugins/stats/stats-plugin.c
@@ -388,6 +388,7 @@ static void stats_transaction_free(struct stats_user *suser,
 
 	trans_stats_add(&suser->session_stats.trans_stats,
 			&strans->trans->stats);
+	i_free(strans);
 }
 
 static int
-- 
1.7.10.2


From ce10df9f5cc0dc658ece187606f403a814872696 Mon Sep 17 00:00:00 2001
From: Timo Sirainen <tss@iki.fi>
Date: Sat, 20 Apr 2013 21:02:30 +0300
Subject: [PATCH] Fixed a memory leak.


diff --git a/src/lib-mail/istream-attachment-connector.c b/src/lib-mail/istream-attachment-connector.c
index 4fa6ebf..0cbedb2 100644
--- a/src/lib-mail/istream-attachment-connector.c
+++ b/src/lib-mail/istream-attachment-connector.c
@@ -88,6 +88,20 @@ int istream_attachment_connector_add(struct istream_attachment_connector *conn,
 	return 0;
 }
 
+static void
+istream_attachment_connector_free(struct istream_attachment_connector *conn)
+{
+	struct istream *const *streamp, *stream;
+
+	array_foreach(&conn->streams, streamp) {
+		stream = *streamp;
+		if (stream != NULL)
+			i_stream_unref(&stream);
+	}
+	i_stream_unref(&conn->base_input);
+	pool_unref(&conn->pool);
+}
+
 struct istream *
 istream_attachment_connector_finish(struct istream_attachment_connector **_conn)
 {
@@ -111,8 +125,7 @@ istream_attachment_connector_finish(struct istream_attachment_connector **_conn)
 	inputs = array_idx_modifiable(&conn->streams, 0);
 	input = i_stream_create_concat(inputs);
 
-	i_stream_unref(&conn->base_input);
-	pool_unref(&conn->pool);
+	istream_attachment_connector_free(conn);
 	return input;
 }
 
@@ -122,6 +135,5 @@ void istream_attachment_connector_abort(struct istream_attachment_connector **_c
 
 	*_conn = NULL;
 
-	i_stream_unref(&conn->base_input);
-	pool_unref(&conn->pool);
+	istream_attachment_connector_free(conn);
 }
-- 
1.7.10.2


From eada33e3bff7e25a7b952ebb08244aba86754e92 Mon Sep 17 00:00:00 2001
From: Timo Sirainen <tss@iki.fi>
Date: Sat, 20 Apr 2013 21:57:47 +0300
Subject: [PATCH] lib-storage: Avoid wasting data stack during searches.


diff --git a/src/lib-storage/index/index-search.c b/src/lib-storage/index/index-search.c
index 0077115..9278b6d 100644
--- a/src/lib-storage/index/index-search.c
+++ b/src/lib-storage/index/index-search.c
@@ -1377,7 +1377,9 @@ static int search_match_next(struct index_search_context *ctx)
 	}
 	for (i = 0; i < n && ret < 0; i++) {
 		ctx->cur_mail->lookup_abort = cache_lookups[i];
-		ret = search_match_once(ctx);
+		T_BEGIN {
+			ret = search_match_once(ctx);
+		} T_END;
 	}
 	ctx->cur_mail->lookup_abort = MAIL_LOOKUP_ABORT_NEVER;
 	search_match_finish(ctx, ret);
@@ -1556,7 +1558,9 @@ static int search_more_with_prefetching(struct index_search_context *ctx,
 	int ret = 0;
 
 	while ((mail = index_search_get_mail(ctx)) != NULL) {
-		ret = search_more_with_mail(ctx, mail);
+		T_BEGIN {
+			ret = search_more_with_mail(ctx, mail);
+		} T_END;
 		if (ret <= 0)
 			break;
 
@@ -1612,8 +1616,10 @@ static bool search_finish_prefetch(struct index_search_context *ctx,
 	mail_search_args_result_deserialize(ctx->mail_ctx.args,
 					    imail->data.search_results->data,
 					    imail->data.search_results->used);
-	ret = search_match_once(ctx);
-	search_match_finish(ctx, ret);
+	T_BEGIN {
+		ret = search_match_once(ctx);
+		search_match_finish(ctx, ret);
+	} T_END;
 	ctx->cur_mail = NULL;
 	return ret > 0;
 }
-- 
1.7.10.2


From 7276e7875fca54d44fcccb7a371951ac9639d09b Mon Sep 17 00:00:00 2001
From: Timo Sirainen <tss@iki.fi>
Date: Mon, 22 Apr 2013 18:45:04 +0300
Subject: [PATCH] zlib: Keep the last read mail cached uncompressed in a temp
 file. This fixes performance problems with partial IMAP
 FETCH commands.


diff --git a/src/plugins/zlib/zlib-plugin.c b/src/plugins/zlib/zlib-plugin.c
index d54ea54..5076702 100644
--- a/src/plugins/zlib/zlib-plugin.c
+++ b/src/plugins/zlib/zlib-plugin.c
@@ -3,7 +3,9 @@
 #include "lib.h"
 #include "array.h"
 #include "istream.h"
+#include "istream-seekable.h"
 #include "ostream.h"
+#include "str.h"
 #include "mail-user.h"
 #include "dbox-single/sdbox-storage.h"
 #include "dbox-multi/mdbox-storage.h"
@@ -26,6 +28,7 @@
 	MODULE_CONTEXT(obj, zlib_user_module)
 
 #define MAX_INBUF_SIZE (1024*1024)
+#define ZLIB_MAIL_CACHE_EXPIRE_MSECS (60*1000)
 
 struct zlib_transaction_context {
 	union mailbox_transaction_module_context module_ctx;
@@ -33,9 +36,19 @@ struct zlib_transaction_context {
 	struct mail *tmp_mail;
 };
 
+struct zlib_mail_cache {
+	struct timeout *to;
+	struct mailbox *box;
+	uint32_t uid;
+
+	struct istream *input;
+};
+
 struct zlib_user {
 	union mail_user_module_context module_ctx;
 
+	struct zlib_mail_cache cache;
+
 	const struct compression_handler *save_handler;
 	unsigned int save_level;
 };
@@ -48,9 +61,58 @@ static MODULE_CONTEXT_DEFINE_INIT(zlib_storage_module,
 				  &mail_storage_module_register);
 static MODULE_CONTEXT_DEFINE_INIT(zlib_mail_module, &mail_module_register);
 
+static void zlib_mail_cache_close(struct zlib_user *zuser)
+{
+	struct zlib_mail_cache *cache = &zuser->cache;
+
+	if (cache->to != NULL)
+		timeout_remove(&cache->to);
+	if (cache->input != NULL)
+		i_stream_unref(&cache->input);
+	memset(cache, 0, sizeof(*cache));
+}
+
+static struct istream *
+zlib_mail_cache_open(struct zlib_user *zuser, struct mail *mail,
+		     struct istream *input)
+{
+	struct zlib_mail_cache *cache = &zuser->cache;
+	struct istream *inputs[2];
+	string_t *temp_prefix = t_str_new(128);
+
+	zlib_mail_cache_close(zuser);
+
+	/* zlib istream is seekable, but very slow. create a seekable istream
+	   which we can use to quickly seek around in the stream that's been
+	   read so far. usually the partial IMAP FETCHes continue from where
+	   the previous left off, so this isn't strictly necessary, but with
+	   the way lib-imap-storage's CRLF-cache works it has to seek backwards
+	   somewhat, which causes a zlib stream reset. And the CRLF-cache isn't
+	   easy to fix.. */
+	input->seekable = FALSE;
+	inputs[0] = input;
+	inputs[1] = NULL;
+	mail_user_set_get_temp_prefix(temp_prefix, mail->box->storage->user->set);
+	input = i_stream_create_seekable_path(inputs,
+				i_stream_get_max_buffer_size(inputs[0]),
+				str_c(temp_prefix));
+	i_stream_unref(&inputs[0]);
+
+	cache->to = timeout_add(ZLIB_MAIL_CACHE_EXPIRE_MSECS,
+				zlib_mail_cache_close, zuser);
+	cache->box = mail->box;
+	cache->uid = mail->uid;
+	cache->input = input;
+
+	/* index-mail wants the stream to be destroyed at close, so create
+	   a new stream instead of just increasing reference. */
+	return i_stream_create_limit(cache->input, (uoff_t)-1);
+}
+
 static int zlib_istream_opened(struct mail *_mail, struct istream **stream)
 {
 	struct zlib_user *zuser = ZLIB_USER_CONTEXT(_mail->box->storage->user);
+	struct zlib_mail_cache *cache = &zuser->cache;
 	struct mail_private *mail = (struct mail_private *)_mail;
 	union mail_module_context *zmail = ZLIB_MAIL_CONTEXT(mail);
 	struct istream *input;
@@ -63,6 +125,15 @@ static int zlib_istream_opened(struct mail *_mail, struct istream **stream)
 	if (_mail->saving && zuser->save_handler == NULL)
 		return zmail->super.istream_opened(_mail, stream);
 
+	if (cache->uid == _mail->uid && cache->box == _mail->box) {
+		/* use the cached stream. when doing partial reads it should
+		   already be seeked into the wanted offset. */
+		i_stream_unref(stream);
+		i_stream_seek(cache->input, 0);
+		*stream = i_stream_create_limit(cache->input, (uoff_t)-1);
+		return zmail->super.istream_opened(_mail, stream);
+	}
+
 	handler = compression_detect_handler(*stream);
 	if (handler != NULL) {
 		if (handler->create_istream == NULL) {
@@ -75,6 +146,8 @@ static int zlib_istream_opened(struct mail *_mail, struct istream **stream)
 		input = *stream;
 		*stream = handler->create_istream(input, TRUE);
 		i_stream_unref(&input);
+
+		*stream = zlib_mail_cache_open(zuser, _mail, *stream);
 	}
 	return zmail->super.istream_opened(_mail, stream);
 }
@@ -265,6 +338,16 @@ static int zlib_mailbox_open(struct mailbox *box)
 	return zbox->super.open(box);
 }
 
+static void zlib_mailbox_close(struct mailbox *box)
+{
+	union mailbox_module_context *zbox = ZLIB_CONTEXT(box);
+	struct zlib_user *zuser = ZLIB_USER_CONTEXT(box->storage->user);
+
+	if (zuser->cache.box == box)
+		zlib_mail_cache_close(zuser);
+	zbox->super.close(box);
+}
+
 static void zlib_mailbox_allocated(struct mailbox *box)
 {
 	struct mailbox_vfuncs *v = box->vlast;
@@ -274,6 +357,7 @@ static void zlib_mailbox_allocated(struct mailbox *box)
 	zbox->super = *v;
 	box->vlast = &zbox->super;
 	v->open = zlib_mailbox_open;
+	v->close = zlib_mailbox_close;
 
 	MODULE_CONTEXT_SET_SELF(box, zlib_storage_module, zbox);
 
@@ -283,12 +367,24 @@ static void zlib_mailbox_allocated(struct mailbox *box)
 		zlib_permail_alloc_init(box, v);
 }
 
+static void zlib_mail_user_deinit(struct mail_user *user)
+{
+	struct zlib_user *zuser = ZLIB_USER_CONTEXT(user);
+
+	zlib_mail_cache_close(zuser);
+	zuser->module_ctx.super.deinit(user);
+}
+
 static void zlib_mail_user_created(struct mail_user *user)
 {
+	struct mail_user_vfuncs *v = user->vlast;
 	struct zlib_user *zuser;
 	const char *name;
 
 	zuser = p_new(user->pool, struct zlib_user, 1);
+	zuser->module_ctx.super = *v;
+	user->vlast = &zuser->module_ctx.super;
+	v->deinit = zlib_mail_user_deinit;
 
 	name = mail_user_plugin_getenv(user, "zlib_save");
 	if (name != NULL && *name != '\0') {
-- 
1.7.10.2


From f7c17f745db01d854f315ddcbc9955125b4161ef Mon Sep 17 00:00:00 2001
From: Timo Sirainen <tss@iki.fi>
Date: Mon, 22 Apr 2013 21:51:01 +0300
Subject: [PATCH] stats plugin: Use nonblocking open() for stats fifo. This
 fixes hangs in it. Alternative would be to use alarm().


diff --git a/src/plugins/stats/stats-connection.c b/src/plugins/stats/stats-connection.c
index b98e864..da07e9b 100644
--- a/src/plugins/stats/stats-connection.c
+++ b/src/plugins/stats/stats-connection.c
@@ -23,7 +23,7 @@ static bool stats_connection_open(struct stats_connection *conn)
 	if (conn->open_failed)
 		return FALSE;
 
-	conn->fd = open(conn->path, O_WRONLY);
+	conn->fd = open(conn->path, O_WRONLY | O_NONBLOCK);
 	if (conn->fd == -1) {
 		i_error("stats: open(%s) failed: %m", conn->path);
 		conn->open_failed = TRUE;
-- 
1.7.10.2


From 43afe64ef8b8d2af9576b9e5a60feb0ef62223f9 Mon Sep 17 00:00:00 2001
From: Timo Sirainen <tss@iki.fi>
Date: Tue, 23 Apr 2013 13:28:17 +0300
Subject: [PATCH] OpenBSD compile fix: include sys/socket.h when checking for
 struct sockpeercred.


diff --git a/configure.ac b/configure.ac
index f06095f..a67d511 100644
--- a/configure.ac
+++ b/configure.ac
@@ -433,7 +433,7 @@ AC_CHECK_FUNCS(fcntl flock lockf inet_aton sigaction getpagesize madvise \
 	       walkcontext dirfd clearenv malloc_usable_size glob fallocate \
 	       posix_fadvise getpeereid getpeerucred)
 
-AC_CHECK_TYPES([struct sockpeercred])
+AC_CHECK_TYPES([struct sockpeercred],,,[#include <sys/socket.h>])
 
 AC_SEARCH_LIBS(clock_gettime, rt, [
   AC_DEFINE(HAVE_CLOCK_GETTIME,, Define if you have the clock_gettime function)
-- 
1.7.10.2


From 4288a8d102d241c32c5d53609f9242cd13263077 Mon Sep 17 00:00:00 2001
From: Timo Sirainen <tss@iki.fi>
Date: Tue, 23 Apr 2013 13:33:12 +0300
Subject: [PATCH] master: Fixed warning log message.


diff --git a/src/master/master-settings.c b/src/master/master-settings.c
index 29edf86..45e56ac 100644
--- a/src/master/master-settings.c
+++ b/src/master/master-settings.c
@@ -417,7 +417,7 @@ master_settings_verify(void *_set, pool_t pool, const char **error_r)
 	const struct service_settings *default_service;
 #else
 	rlim_t fd_limit;
-	const char *max_client_limit_source = "default_client_count";
+	const char *max_client_limit_source = "default_client_limit";
 	unsigned int max_client_limit = set->default_client_limit;
 #endif
 
-- 
1.7.10.2


From 212c975ce882bcaebd49ff7d7ea8e1f109a25101 Mon Sep 17 00:00:00 2001
From: Timo Sirainen <tss@iki.fi>
Date: Tue, 23 Apr 2013 13:47:46 +0300
Subject: [PATCH] fts-solr: Don't crash if fts_solr setting is invalid.


diff --git a/src/plugins/fts-solr/fts-backend-solr-old.c b/src/plugins/fts-solr/fts-backend-solr-old.c
index 9fd8094..1845849 100644
--- a/src/plugins/fts-solr/fts-backend-solr-old.c
+++ b/src/plugins/fts-solr/fts-backend-solr-old.c
@@ -229,11 +229,14 @@ fts_backend_solr_init(struct fts_backend *_backend, const char **error_r)
 {
 	struct solr_fts_backend *backend = (struct solr_fts_backend *)_backend;
 	struct fts_solr_user *fuser = FTS_SOLR_USER_CONTEXT(_backend->ns->user);
-	const struct fts_solr_settings *set = &fuser->set;
 	const char *str;
 
+	if (fuser == NULL) {
+		*error_r = "Invalid fts_solr setting";
+		return -1;
+	}
 	if (solr_conn == NULL) {
-		if (solr_connection_init(set->url, set->debug,
+		if (solr_connection_init(fuser->set.url, fuser->set.debug,
 					 &solr_conn, error_r) < 0)
 			return -1;
 	}
diff --git a/src/plugins/fts-solr/fts-backend-solr.c b/src/plugins/fts-solr/fts-backend-solr.c
index f7b335f..8af1707 100644
--- a/src/plugins/fts-solr/fts-backend-solr.c
+++ b/src/plugins/fts-solr/fts-backend-solr.c
@@ -158,10 +158,13 @@ static int
 fts_backend_solr_init(struct fts_backend *_backend, const char **error_r)
 {
 	struct fts_solr_user *fuser = FTS_SOLR_USER_CONTEXT(_backend->ns->user);
-	const struct fts_solr_settings *set = &fuser->set;
 
+	if (fuser == NULL) {
+		*error_r = "Invalid fts_solr setting";
+		return -1;
+	}
 	if (solr_conn == NULL) {
-		if (solr_connection_init(set->url, set->debug,
+		if (solr_connection_init(fuser->set.url, fuser->set.debug,
 					 &solr_conn, error_r) < 0)
 			return -1;
 	}
-- 
1.7.10.2


From efe39df75481a8c4579b70f24987eea075d0eeb8 Mon Sep 17 00:00:00 2001
From: Timo Sirainen <tss@iki.fi>
Date: Tue, 23 Apr 2013 16:20:48 +0300
Subject: [PATCH] lib-http: Makefile fix


diff --git a/src/lib-http/Makefile.am b/src/lib-http/Makefile.am
index 5c19c58..4127a14 100644
--- a/src/lib-http/Makefile.am
+++ b/src/lib-http/Makefile.am
@@ -50,7 +50,7 @@ test_libs = \
 	$(MODULE_LIBS)
 
 test_deps = \
-	$(noinst_LTLIBRARIES)
+	$(noinst_LTLIBRARIES) \
 	../lib-test/libtest.la \
 	../lib/liblib.la
 
-- 
1.7.10.2


From 7c55c5055f78c849716efce14072a652157f3200 Mon Sep 17 00:00:00 2001
From: Timo Sirainen <tss@iki.fi>
Date: Tue, 23 Apr 2013 17:21:46 +0300
Subject: [PATCH] istream-seekable: Don't crash when seeking forwards past the
 data we haven't read yet.


diff --git a/src/lib/istream-seekable.c b/src/lib/istream-seekable.c
index a9c5d81..cf59138 100644
--- a/src/lib/istream-seekable.c
+++ b/src/lib/istream-seekable.c
@@ -345,6 +345,20 @@ i_stream_seekable_stat(struct istream_private *stream, bool exact)
 	return 0;
 }
 
+static void i_stream_seekable_seek(struct istream_private *stream,
+				   uoff_t v_offset, bool mark)
+{
+	if (v_offset <= stream->istream.v_offset) {
+		/* seeking backwards */
+		stream->istream.v_offset = v_offset;
+		stream->skip = stream->pos = 0;
+	} else {
+		/* we can't skip over data we haven't yet read and written to
+		   our buffer/temp file */
+		i_stream_default_seek_nonseekable(stream, v_offset, mark);
+	}
+}
+
 struct istream *
 i_streams_merge(struct istream *input[], size_t max_buffer_size,
 		int (*fd_callback)(const char **path_r, void *context),
@@ -388,6 +402,7 @@ i_streams_merge(struct istream *input[], size_t max_buffer_size,
 
 	sstream->istream.read = i_stream_seekable_read;
 	sstream->istream.stat = i_stream_seekable_stat;
+	sstream->istream.seek = i_stream_seekable_seek;
 
 	sstream->istream.istream.readable_fd = FALSE;
 	sstream->istream.istream.blocking = blocking;
-- 
1.7.10.2


From bd6b8ffcd0aef00aaa5b640d8e425fdcd0075993 Mon Sep 17 00:00:00 2001
From: Timo Sirainen <tss@iki.fi>
Date: Tue, 23 Apr 2013 20:51:34 +0300
Subject: [PATCH] dbox: Close file's fd only after its istream is destroyed.
 For example zlib plugin keeps the stream open as a cache
 even after the dbox_file has been destroyed.


diff --git a/src/lib-storage/index/dbox-common/dbox-file.c b/src/lib-storage/index/dbox-common/dbox-file.c
index 2b36013..c714487 100644
--- a/src/lib-storage/index/dbox-common/dbox-file.c
+++ b/src/lib-storage/index/dbox-common/dbox-file.c
@@ -215,7 +215,7 @@ static int dbox_file_open_full(struct dbox_file *file, bool try_altpath,
 		}
 	}
 
-	file->input = i_stream_create_fd(file->fd, DBOX_READ_BLOCK_SIZE, FALSE);
+	file->input = i_stream_create_fd(file->fd, DBOX_READ_BLOCK_SIZE, TRUE);
 	i_stream_set_name(file->input, file->cur_path);
 	i_stream_set_init_buffer_size(file->input, DBOX_READ_BLOCK_SIZE);
 	return dbox_file_read_header(file);
@@ -286,9 +286,12 @@ int dbox_file_header_write(struct dbox_file *file, struct ostream *output)
 void dbox_file_close(struct dbox_file *file)
 {
 	dbox_file_unlock(file);
-	if (file->input != NULL)
+	if (file->input != NULL) {
+		/* stream autocloses the fd when it gets destroyed. note that
+		   the stream may outlive the struct dbox_file. */
 		i_stream_unref(&file->input);
-	if (file->fd != -1) {
+		file->fd = -1;
+	} else if (file->fd != -1) {
 		if (close(file->fd) < 0)
 			dbox_file_set_syscall_error(file, "close()");
 		file->fd = -1;
-- 
1.7.10.2


From 7e2d3faf969bcb9f65ae8a7860f4dfff28dd8f95 Mon Sep 17 00:00:00 2001
From: Timo Sirainen <tss@iki.fi>
Date: Tue, 23 Apr 2013 20:53:53 +0300
Subject: [PATCH] istream-[b]zlib: Don't break if parent stream gets seeked in
 the middle of reads.


diff --git a/src/lib-compression/istream-bzlib.c b/src/lib-compression/istream-bzlib.c
index 2ad33dc..3937cb1 100644
--- a/src/lib-compression/istream-bzlib.c
+++ b/src/lib-compression/istream-bzlib.c
@@ -15,7 +15,7 @@ struct bzlib_istream {
 
 	bz_stream zs;
 	uoff_t eof_offset, stream_size;
-	size_t prev_size, high_pos;
+	size_t high_pos;
 	struct stat last_parent_statbuf;
 
 	unsigned int log_errors:1;
@@ -49,7 +49,7 @@ static ssize_t i_stream_bzlib_read(struct istream_private *stream)
 	struct bzlib_istream *zstream = (struct bzlib_istream *)stream;
 	const unsigned char *data;
 	uoff_t high_offset;
-	size_t size;
+	size_t size, out_size;
 	int ret;
 
 	high_offset = stream->istream.v_offset + (stream->pos - stream->skip);
@@ -98,42 +98,36 @@ static ssize_t i_stream_bzlib_read(struct istream_private *stream)
 		}
 	}
 
-	if (zstream->zs.avail_in == 0) {
-		/* need to read more data. try to read a full CHUNK_SIZE */
-		i_stream_skip(stream->parent, zstream->prev_size);
-		if (i_stream_read_data(stream->parent, &data, &size,
-				       CHUNK_SIZE-1) == -1 && size == 0) {
-			if (stream->parent->stream_errno != 0) {
-				stream->istream.stream_errno =
-					stream->parent->stream_errno;
-			} else {
-				i_assert(stream->parent->eof);
-				if (zstream->log_errors) {
-					bzlib_read_error(zstream,
-							 "unexpected EOF");
-				}
-				stream->istream.stream_errno = EINVAL;
-			}
-			return -1;
+	if (i_stream_read_data(stream->parent, &data, &size, 0) < 0) {
+		if (stream->parent->stream_errno != 0) {
+			stream->istream.stream_errno =
+				stream->parent->stream_errno;
+		} else {
+			i_assert(stream->parent->eof);
+			if (zstream->log_errors)
+				bzlib_read_error(zstream, "unexpected EOF");
+			stream->istream.stream_errno = EINVAL;
 		}
-		zstream->prev_size = size;
-		if (size == 0) {
-			/* no more input */
-			i_assert(!stream->istream.blocking);
-			return 0;
-		}
-
-		zstream->zs.next_in = (char *)data;
-		zstream->zs.avail_in = size;
+		return -1;
+	}
+	if (size == 0) {
+		/* no more input */
+		i_assert(!stream->istream.blocking);
+		return 0;
 	}
 
-	size = stream->buffer_size - stream->pos;
+	zstream->zs.next_in = (char *)data;
+	zstream->zs.avail_in = size;
+
+	out_size = stream->buffer_size - stream->pos;
 	zstream->zs.next_out = (char *)stream->w_buffer + stream->pos;
-	zstream->zs.avail_out = size;
+	zstream->zs.avail_out = out_size;
 	ret = BZ2_bzDecompress(&zstream->zs);
 
-	size -= zstream->zs.avail_out;
-	stream->pos += size;
+	out_size -= zstream->zs.avail_out;
+	stream->pos += out_size;
+
+	i_stream_skip(stream->parent, size - zstream->zs.avail_in);
 
 	switch (ret) {
 	case BZ_OK:
@@ -159,7 +153,7 @@ static ssize_t i_stream_bzlib_read(struct istream_private *stream)
 		zstream->eof_offset = stream->istream.v_offset +
 			(stream->pos - stream->skip);
 		zstream->stream_size = zstream->eof_offset;
-		if (size == 0) {
+		if (out_size == 0) {
 			stream->istream.eof = TRUE;
 			return -1;
 		}
@@ -167,11 +161,11 @@ static ssize_t i_stream_bzlib_read(struct istream_private *stream)
 	default:
 		i_fatal("BZ2_bzDecompress() failed with %d", ret);
 	}
-	if (size == 0) {
+	if (out_size == 0) {
 		/* read more input */
 		return i_stream_bzlib_read(stream);
 	}
-	return size;
+	return out_size;
 }
 
 static void i_stream_bzlib_init(struct bzlib_istream *zstream)
@@ -206,7 +200,6 @@ static void i_stream_bzlib_reset(struct bzlib_istream *zstream)
 	stream->skip = stream->pos = 0;
 	stream->istream.v_offset = 0;
 	zstream->high_pos = 0;
-	zstream->prev_size = 0;
 
 	(void)BZ2_bzDecompressEnd(&zstream->zs);
 	i_stream_bzlib_init(zstream);
diff --git a/src/lib-compression/istream-zlib.c b/src/lib-compression/istream-zlib.c
index 021bfe0..c7ac2c4 100644
--- a/src/lib-compression/istream-zlib.c
+++ b/src/lib-compression/istream-zlib.c
@@ -122,6 +122,7 @@ static int i_stream_zlib_read_header(struct istream_private *stream)
 		pos += 2;
 	}
 	i_stream_skip(stream->parent, pos);
+	zstream->prev_size = 0;
 	return 1;
 }
 
@@ -172,7 +173,7 @@ static ssize_t i_stream_zlib_read(struct istream_private *stream)
 	struct zlib_istream *zstream = (struct zlib_istream *)stream;
 	const unsigned char *data;
 	uoff_t high_offset;
-	size_t size;
+	size_t size, out_size;
 	int ret;
 
 	high_offset = stream->istream.v_offset + (stream->pos - stream->skip);
@@ -208,7 +209,6 @@ static ssize_t i_stream_zlib_read(struct istream_private *stream)
 		if (ret <= 0)
 			return ret;
 		zstream->header_read = TRUE;
-		zstream->prev_size = 0;
 	}
 
 	if (stream->pos < zstream->high_pos) {
@@ -248,44 +248,39 @@ static ssize_t i_stream_zlib_read(struct istream_private *stream)
 		}
 	}
 
-	if (zstream->zs.avail_in == 0) {
-		/* need to read more data. try to read a full CHUNK_SIZE */
-		i_stream_skip(stream->parent, zstream->prev_size);
-		if (i_stream_read_data(stream->parent, &data, &size,
-				       CHUNK_SIZE-1) == -1 && size == 0) {
-			if (stream->parent->stream_errno != 0) {
-				stream->istream.stream_errno =
-					stream->parent->stream_errno;
-			} else {
-				i_assert(stream->parent->eof);
-				if (zstream->log_errors) {
-					zlib_read_error(zstream,
-							"unexpected EOF");
-				}
-				stream->istream.stream_errno = EPIPE;
-			}
-			return -1;
-		}
-		zstream->prev_size = size;
-		if (size == 0) {
-			/* no more input */
-			i_assert(!stream->istream.blocking);
-			return 0;
+	if (i_stream_read_data(stream->parent, &data, &size, 0) < 0) {
+		if (stream->parent->stream_errno != 0) {
+			stream->istream.stream_errno =
+				stream->parent->stream_errno;
+		} else {
+			i_assert(stream->parent->eof);
+			if (zstream->log_errors)
+				zlib_read_error(zstream, "unexpected EOF");
+			stream->istream.stream_errno = EPIPE;
 		}
-
-		zstream->zs.next_in = (void *)data;
-		zstream->zs.avail_in = size;
+		return -1;
+	}
+	if (size == 0) {
+		/* no more input */
+		i_assert(!stream->istream.blocking);
+		return 0;
 	}
 
-	size = stream->buffer_size - stream->pos;
+	zstream->zs.next_in = (void *)data;
+	zstream->zs.avail_in = size;
+
+	out_size = stream->buffer_size - stream->pos;
 	zstream->zs.next_out = stream->w_buffer + stream->pos;
-	zstream->zs.avail_out = size;
+	zstream->zs.avail_out = out_size;
 	ret = inflate(&zstream->zs, Z_SYNC_FLUSH);
 
-	size -= zstream->zs.avail_out;
+	out_size -= zstream->zs.avail_out;
 	zstream->crc32 = crc32_data_more(zstream->crc32,
-					 stream->w_buffer + stream->pos, size);
-	stream->pos += size;
+					 stream->w_buffer + stream->pos,
+					 out_size);
+	stream->pos += out_size;
+
+	i_stream_skip(stream->parent, size - zstream->zs.avail_in);
 
 	switch (ret) {
 	case Z_OK:
@@ -307,10 +302,7 @@ static ssize_t i_stream_zlib_read(struct istream_private *stream)
 		zstream->eof_offset = stream->istream.v_offset +
 			(stream->pos - stream->skip);
 		zstream->stream_size = zstream->eof_offset;
-		i_stream_skip(stream->parent,
-			      zstream->prev_size - zstream->zs.avail_in);
 		zstream->zs.avail_in = 0;
-		zstream->prev_size = 0;
 
 		if (!zstream->trailer_read) {
 			/* try to read and verify the trailer, we might not
@@ -322,11 +314,11 @@ static ssize_t i_stream_zlib_read(struct istream_private *stream)
 	default:
 		i_fatal("inflate() failed with %d", ret);
 	}
-	if (size == 0) {
+	if (out_size == 0) {
 		/* read more input */
 		return i_stream_zlib_read(stream);
 	}
-	return size;
+	return out_size;
 }
 
 static void i_stream_zlib_init(struct zlib_istream *zstream)
-- 
1.7.10.2


From 7e2ef0020ae79382577f9610d6ab3135bb604b56 Mon Sep 17 00:00:00 2001
From: Timo Sirainen <tss@iki.fi>
Date: Tue, 23 Apr 2013 21:06:00 +0300
Subject: [PATCH] lib-storage: Fixed crash with mailbox_list_index=yes after
 re-reading index.


diff --git a/src/lib-storage/list/mailbox-list-index.c b/src/lib-storage/list/mailbox-list-index.c
index 1f2dbed..61391ea 100644
--- a/src/lib-storage/list/mailbox-list-index.c
+++ b/src/lib-storage/list/mailbox-list-index.c
@@ -27,8 +27,8 @@ void mailbox_list_index_reset(struct mailbox_list_index *ilist)
 {
 	i_assert(ilist->iter_refcount == 0);
 
-	hash_table_clear(ilist->mailbox_names, FALSE);
-	hash_table_clear(ilist->mailbox_hash, FALSE);
+	hash_table_clear(ilist->mailbox_names, TRUE);
+	hash_table_clear(ilist->mailbox_hash, TRUE);
 	p_clear(ilist->mailbox_pool);
 	ilist->mailbox_tree = NULL;
 	ilist->highest_name_id = 0;
-- 
1.7.10.2


From 249fc7092cf438ee9ca7e2f5cdeb4bd8ff5409e6 Mon Sep 17 00:00:00 2001
From: Timo Sirainen <tss@iki.fi>
Date: Tue, 23 Apr 2013 21:06:34 +0300
Subject: [PATCH] maildir: Crashfix after dovecot-keywords file was re-read.


diff --git a/src/lib-storage/index/maildir/maildir-keywords.c b/src/lib-storage/index/maildir/maildir-keywords.c
index b45db1c..0a32c45 100644
--- a/src/lib-storage/index/maildir/maildir-keywords.c
+++ b/src/lib-storage/index/maildir/maildir-keywords.c
@@ -104,7 +104,7 @@ void maildir_keywords_deinit(struct maildir_keywords **_mk)
 static void maildir_keywords_clear(struct maildir_keywords *mk)
 {
 	array_clear(&mk->list);
-	hash_table_clear(mk->hash, FALSE);
+	hash_table_clear(mk->hash, TRUE);
 	p_clear(mk->pool);
 }
 
-- 
1.7.10.2


From c3df0aec4b12a7aea7fc0a1ec5ca58833862cbb0 Mon Sep 17 00:00:00 2001
From: Timo Sirainen <tss@iki.fi>
Date: Tue, 23 Apr 2013 21:08:31 +0300
Subject: [PATCH] hash_table_clear(): Added a comment about API usage.


diff --git a/src/lib/hash.h b/src/lib/hash.h
index f0ccb67..ead59a1 100644
--- a/src/lib/hash.h
+++ b/src/lib/hash.h
@@ -68,8 +68,8 @@ void hash_table_destroy(struct hash_table **table);
 #define hash_table_destroy(table) \
 	hash_table_destroy(&(*table)._table)
 /* Remove all nodes from hash table. If free_collisions is TRUE, the
-   memory allocated from node_pool is freed, or discarded with
-   alloconly pools. */
+   memory allocated from node_pool is freed, or discarded with alloconly pools.
+   WARNING: If you p_clear() the node_pool, the free_collisions must be TRUE. */
 void hash_table_clear(struct hash_table *table, bool free_collisions);
 #define hash_table_clear(table, free_collisions) \
 	hash_table_clear((table)._table, free_collisions)
-- 
1.7.10.2


From ffdf174645c18d779de5d503df0d7269be42317f Mon Sep 17 00:00:00 2001
From: Timo Sirainen <tss@iki.fi>
Date: Tue, 23 Apr 2013 21:31:52 +0300
Subject: [PATCH] lib-master: Added master_service_is_master_stopped()


diff --git a/src/lib-master/master-service.c b/src/lib-master/master-service.c
index 378bc63..a06b6e8 100644
--- a/src/lib-master/master-service.c
+++ b/src/lib-master/master-service.c
@@ -600,6 +600,11 @@ bool master_service_is_killed(struct master_service *service)
 	return service->killed;
 }
 
+bool master_service_is_master_stopped(struct master_service *service)
+{
+	return service->io_status_error == NULL;
+}
+
 void master_service_anvil_send(struct master_service *service, const char *cmd)
 {
 	ssize_t ret;
diff --git a/src/lib-master/master-service.h b/src/lib-master/master-service.h
index b975895..0ca002b 100644
--- a/src/lib-master/master-service.h
+++ b/src/lib-master/master-service.h
@@ -141,6 +141,9 @@ void master_service_stop(struct master_service *service);
 void master_service_stop_new_connections(struct master_service *service);
 /* Returns TRUE if we've received a SIGINT/SIGTERM and we've decided to stop. */
 bool master_service_is_killed(struct master_service *service);
+/* Returns TRUE if our master process is already stopped. This process may or
+   may not be dying itself. */
+bool master_service_is_master_stopped(struct master_service *service);
 
 /* Send command to anvil process, if we have fd to it. */
 void master_service_anvil_send(struct master_service *service, const char *cmd);
-- 
1.7.10.2


From 2598176e416438cbaccd65de471d229651786aec Mon Sep 17 00:00:00 2001
From: Timo Sirainen <tss@iki.fi>
Date: Tue, 23 Apr 2013 21:32:24 +0300
Subject: [PATCH] stats plugin: Don't try to send notifications to already
 dead stats process.


diff --git a/src/plugins/stats/Makefile.am b/src/plugins/stats/Makefile.am
index e7a46d5..a88fc3b 100644
--- a/src/plugins/stats/Makefile.am
+++ b/src/plugins/stats/Makefile.am
@@ -2,6 +2,7 @@ AM_CPPFLAGS = \
 	-I$(top_srcdir)/src/lib \
 	-I$(top_srcdir)/src/lib-settings \
 	-I$(top_srcdir)/src/lib-mail \
+	-I$(top_srcdir)/src/lib-master \
 	-I$(top_srcdir)/src/lib-index \
 	-I$(top_srcdir)/src/lib-storage
 
diff --git a/src/plugins/stats/stats-connection.c b/src/plugins/stats/stats-connection.c
index da07e9b..9560cc4 100644
--- a/src/plugins/stats/stats-connection.c
+++ b/src/plugins/stats/stats-connection.c
@@ -5,6 +5,7 @@
 #include "net.h"
 #include "str.h"
 #include "strescape.h"
+#include "master-service.h"
 #include "mail-storage.h"
 #include "stats-plugin.h"
 #include "stats-connection.h"
@@ -71,6 +72,12 @@ void stats_connection_send(struct stats_connection *conn, const string_t *str)
 	static bool pipe_warned = FALSE;
 	ssize_t ret;
 
+	/* if master process has been stopped (and restarted), don't even try
+	   to notify the stats process anymore. even if one exists, it doesn't
+	   know about us. */
+	if (master_service_is_master_stopped(master_service))
+		return;
+
 	if (conn->fd == -1) {
 		if (!stats_connection_open(conn))
 			return;
-- 
1.7.10.2