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-rw-r--r--mysql-test/std_data/binlog_before_20574.binbin0 -> 1022 bytes
-rw-r--r--mysql-test/suite/binlog_encryption/binlog_mdev_20574_old_binlog.result27
-rw-r--r--mysql-test/suite/binlog_encryption/binlog_mdev_20574_old_binlog.test46
-rw-r--r--mysql-test/suite/binlog_encryption/binlog_row_annotate.result9
-rw-r--r--mysql-test/suite/binlog_encryption/mysqlbinlog.result1
-rw-r--r--mysql-test/suite/binlog_encryption/mysqlbinlog.test3
-rw-r--r--sql/log_event.cc34
-rw-r--r--sql/slave.cc11
-rw-r--r--sql/sql_repl.cc63
9 files changed, 159 insertions, 35 deletions
diff --git a/mysql-test/std_data/binlog_before_20574.bin b/mysql-test/std_data/binlog_before_20574.bin
new file mode 100644
index 00000000000..596a883dc71
--- /dev/null
+++ b/mysql-test/std_data/binlog_before_20574.bin
Binary files differ
diff --git a/mysql-test/suite/binlog_encryption/binlog_mdev_20574_old_binlog.result b/mysql-test/suite/binlog_encryption/binlog_mdev_20574_old_binlog.result
new file mode 100644
index 00000000000..cf660297640
--- /dev/null
+++ b/mysql-test/suite/binlog_encryption/binlog_mdev_20574_old_binlog.result
@@ -0,0 +1,27 @@
+include/master-slave.inc
+[connection master]
+connection slave;
+include/stop_slave.inc
+connection master;
+include/rpl_stop_server.inc [server_number=1]
+# Data in binlog
+# CREATE TABLE t1 (a INT);
+# INSERT INTO t1 VALUES (1),(2),(3);
+# REPLACE INTO t1 VALUES (4);
+include/rpl_start_server.inc [server_number=1]
+connection slave;
+RESET SLAVE;
+RESET MASTER;
+CHANGE MASTER TO master_host='127.0.0.1', master_port=SERVER_MYPORT_1, master_user='root', master_log_file='master-bin.000001', master_log_pos=4;
+include/start_slave.inc
+DESC t1;
+Field Type Null Key Default Extra
+a int(11) YES NULL
+SELECT * FROM t1 ORDER BY a;
+a
+1
+2
+3
+4
+DROP TABLE t1;
+include/rpl_end.inc
diff --git a/mysql-test/suite/binlog_encryption/binlog_mdev_20574_old_binlog.test b/mysql-test/suite/binlog_encryption/binlog_mdev_20574_old_binlog.test
new file mode 100644
index 00000000000..417df631878
--- /dev/null
+++ b/mysql-test/suite/binlog_encryption/binlog_mdev_20574_old_binlog.test
@@ -0,0 +1,46 @@
+# MDEV-20574 Position of events reported by mysqlbinlog is wrong with encrypted binlogs, SHOW BINLOG EVENTS reports the correct one.
+# Test replicating off old master.
+# Test case Desc:- When new server reads the data from old server binlog which
+# does not send START_ENCRYPTION_EVENT to slave.
+# We simulate old master by copying in pre-generated binlog files from earlier
+# server versions with encrypted binlog.
+--source include/have_binlog_format_row.inc
+--source include/master-slave.inc
+--source include/have_innodb.inc
+
+--connection slave
+--source include/stop_slave.inc
+
+--connection master
+--let $datadir= `SELECT @@datadir`
+
+--let $rpl_server_number= 1
+--source include/rpl_stop_server.inc
+
+--remove_file $datadir/master-bin.000001
+--remove_file $datadir/master-bin.state
+--echo # Data in binlog
+--echo # CREATE TABLE t1 (a INT);
+--echo # INSERT INTO t1 VALUES (1),(2),(3);
+--echo # REPLACE INTO t1 VALUES (4);
+
+--copy_file $MYSQL_TEST_DIR/std_data/binlog_before_20574.bin $datadir/master-bin.000001
+
+--let $rpl_server_number= 1
+--source include/rpl_start_server.inc
+
+--source include/wait_until_connected_again.inc
+--save_master_pos
+
+--connection slave
+RESET SLAVE;
+RESET MASTER;
+--replace_result $SERVER_MYPORT_1 SERVER_MYPORT_1
+eval CHANGE MASTER TO master_host='127.0.0.1', master_port=$SERVER_MYPORT_1, master_user='root', master_log_file='master-bin.000001', master_log_pos=4;
+--source include/start_slave.inc
+--sync_with_master
+DESC t1;
+SELECT * FROM t1 ORDER BY a;
+
+DROP TABLE t1;
+--source include/rpl_end.inc
diff --git a/mysql-test/suite/binlog_encryption/binlog_row_annotate.result b/mysql-test/suite/binlog_encryption/binlog_row_annotate.result
index 88c690a8bb7..9b843dc8a6b 100644
--- a/mysql-test/suite/binlog_encryption/binlog_row_annotate.result
+++ b/mysql-test/suite/binlog_encryption/binlog_row_annotate.result
@@ -104,6 +104,9 @@ DELIMITER /*!*/;
#010909 4:46:40 server id # end_log_pos # Start: binlog v 4, server v #.##.## created 010909 4:46:40 at startup
ROLLBACK/*!*/;
# at #
+#010909 4:46:40 server id # end_log_pos # Ignorable
+# Ignorable event type 164 (Start_encryption)
+# at #
#010909 4:46:40 server id # end_log_pos # Gtid list []
# at #
#010909 4:46:40 server id # end_log_pos # Binlog checkpoint master-bin.000001
@@ -336,6 +339,9 @@ DELIMITER /*!*/;
#010909 4:46:40 server id # end_log_pos # Start: binlog v 4, server v #.##.## created 010909 4:46:40 at startup
ROLLBACK/*!*/;
# at #
+#010909 4:46:40 server id # end_log_pos # Ignorable
+# Ignorable event type 164 (Start_encryption)
+# at #
#010909 4:46:40 server id # end_log_pos # Gtid list []
# at #
#010909 4:46:40 server id # end_log_pos # Binlog checkpoint master-bin.000001
@@ -495,6 +501,9 @@ DELIMITER /*!*/;
#010909 4:46:40 server id # end_log_pos # Start: binlog v 4, server v #.##.## created 010909 4:46:40 at startup
ROLLBACK/*!*/;
# at #
+#010909 4:46:40 server id # end_log_pos # Ignorable
+# Ignorable event type 164 (Start_encryption)
+# at #
#010909 4:46:40 server id # end_log_pos # Gtid list []
# at #
#010909 4:46:40 server id # end_log_pos # Binlog checkpoint master-bin.000001
diff --git a/mysql-test/suite/binlog_encryption/mysqlbinlog.result b/mysql-test/suite/binlog_encryption/mysqlbinlog.result
index 71758f7d6e7..e97e0569571 100644
--- a/mysql-test/suite/binlog_encryption/mysqlbinlog.result
+++ b/mysql-test/suite/binlog_encryption/mysqlbinlog.result
@@ -4,3 +4,4 @@ INSERT INTO t1 VALUES (1),(2),(3);
REPLACE INTO t1 VALUES (4);
DROP TABLE t1;
FLUSH LOGS;
+FOUND 1 /Ignorable event type 164.*/ in binlog_enc.sql
diff --git a/mysql-test/suite/binlog_encryption/mysqlbinlog.test b/mysql-test/suite/binlog_encryption/mysqlbinlog.test
index b80388aaa45..108dbd8782f 100644
--- a/mysql-test/suite/binlog_encryption/mysqlbinlog.test
+++ b/mysql-test/suite/binlog_encryption/mysqlbinlog.test
@@ -17,5 +17,8 @@ let outfile=$MYSQLTEST_VARDIR/tmp/binlog_enc.sql;
exec $MYSQL_BINLOG $local > $outfile;
exec $MYSQL_BINLOG $local --force-read >> $outfile;
exec $MYSQL_BINLOG $remote >> $outfile;
+--let SEARCH_FILE= $outfile
+--let SEARCH_PATTERN= Ignorable event type 164.*
+--source include/search_pattern_in_file.inc
remove_file $outfile;
diff --git a/sql/log_event.cc b/sql/log_event.cc
index 0e0d69b515c..66f1d6bc790 100644
--- a/sql/log_event.cc
+++ b/sql/log_event.cc
@@ -2077,6 +2077,19 @@ Log_event* Log_event::read_log_event(const char* buf, uint event_len,
alg != BINLOG_CHECKSUM_ALG_OFF))
event_len= event_len - BINLOG_CHECKSUM_LEN;
+ /*
+ Create an object of Ignorable_log_event for unrecognized sub-class.
+ So that SLAVE SQL THREAD will only update the position and continue.
+ We should look for this flag first instead of judging by event_type
+ Any event can be Ignorable_log_event if it has this flag on.
+ look into @note of Ignorable_log_event
+ */
+ if (uint2korr(buf + FLAGS_OFFSET) & LOG_EVENT_IGNORABLE_F)
+ {
+ ev= new Ignorable_log_event(buf, fdle,
+ get_type_str((Log_event_type) event_type));
+ goto exit;
+ }
switch(event_type) {
case QUERY_EVENT:
ev = new Query_log_event(buf, event_len, fdle, QUERY_EVENT);
@@ -2203,24 +2216,13 @@ Log_event* Log_event::read_log_event(const char* buf, uint event_len,
ev = new Start_encryption_log_event(buf, event_len, fdle);
break;
default:
- /*
- Create an object of Ignorable_log_event for unrecognized sub-class.
- So that SLAVE SQL THREAD will only update the position and continue.
- */
- if (uint2korr(buf + FLAGS_OFFSET) & LOG_EVENT_IGNORABLE_F)
- {
- ev= new Ignorable_log_event(buf, fdle,
- get_type_str((Log_event_type) event_type));
- }
- else
- {
- DBUG_PRINT("error",("Unknown event code: %d",
- (uchar) buf[EVENT_TYPE_OFFSET]));
- ev= NULL;
- break;
- }
+ DBUG_PRINT("error",("Unknown event code: %d",
+ (uchar) buf[EVENT_TYPE_OFFSET]));
+ ev= NULL;
+ break;
}
}
+exit:
if (ev)
{
diff --git a/sql/slave.cc b/sql/slave.cc
index 88a80029bba..1bc21f8895b 100644
--- a/sql/slave.cc
+++ b/sql/slave.cc
@@ -6317,7 +6317,18 @@ static int queue_event(Master_info* mi,const char* buf, ulong event_len)
mi->last_queued_gtid.seq_no == 1000)
goto skip_relay_logging;
});
+ goto default_action;
#endif
+ case START_ENCRYPTION_EVENT:
+ if (uint2korr(buf + FLAGS_OFFSET) & LOG_EVENT_IGNORABLE_F)
+ {
+ /*
+ If the event was not requested by the slave (the slave did not ask for
+ it), i.e. has end_log_pos=0, we do not increment mi->master_log_pos
+ */
+ inc_pos= uint4korr(buf+LOG_POS_OFFSET) ? event_len : 0;
+ break;
+ }
/* fall through */
default:
default_action:
diff --git a/sql/sql_repl.cc b/sql/sql_repl.cc
index edff750a9a3..8a6bea34fb4 100644
--- a/sql/sql_repl.cc
+++ b/sql/sql_repl.cc
@@ -399,16 +399,27 @@ static int send_file(THD *thd)
/**
Internal to mysql_binlog_send() routine that recalculates checksum for
- a FD event (asserted) that needs additional arranment prior sending to slave.
+ 1. FD event (asserted) that needs additional arranment prior sending to slave.
+ 2. Start_encryption_log_event whose Ignored flag is set
+TODO DBUG_ASSERT can be removed if this function is used for more general cases
*/
-inline void fix_checksum(String *packet, ulong ev_offset)
+
+inline void fix_checksum(enum_binlog_checksum_alg checksum_alg, String *packet,
+ ulong ev_offset)
{
+ if (checksum_alg == BINLOG_CHECKSUM_ALG_OFF ||
+ checksum_alg == BINLOG_CHECKSUM_ALG_UNDEF)
+ return;
/* recalculate the crc for this event */
uint data_len = uint4korr(packet->ptr() + ev_offset + EVENT_LEN_OFFSET);
ha_checksum crc;
- DBUG_ASSERT(data_len ==
+ DBUG_ASSERT((data_len ==
LOG_EVENT_MINIMAL_HEADER_LEN + FORMAT_DESCRIPTION_HEADER_LEN +
- BINLOG_CHECKSUM_ALG_DESC_LEN + BINLOG_CHECKSUM_LEN);
+ BINLOG_CHECKSUM_ALG_DESC_LEN + BINLOG_CHECKSUM_LEN) ||
+ (data_len ==
+ LOG_EVENT_MINIMAL_HEADER_LEN + BINLOG_CRYPTO_SCHEME_LENGTH +
+ BINLOG_KEY_VERSION_LENGTH + BINLOG_NONCE_LENGTH +
+ BINLOG_CHECKSUM_LEN));
crc= my_checksum(0, (uchar *)packet->ptr() + ev_offset, data_len -
BINLOG_CHECKSUM_LEN);
int4store(packet->ptr() + ev_offset + data_len - BINLOG_CHECKSUM_LEN, crc);
@@ -2135,6 +2146,7 @@ static int send_format_descriptor_event(binlog_send_info *info, IO_CACHE *log,
THD *thd= info->thd;
String *packet= info->packet;
Log_event_type event_type;
+ bool initial_log_pos= info->clear_initial_log_pos;
DBUG_ENTER("send_format_descriptor_event");
/**
@@ -2233,7 +2245,7 @@ static int send_format_descriptor_event(binlog_send_info *info, IO_CACHE *log,
(*packet)[FLAGS_OFFSET+ev_offset] &= ~LOG_EVENT_BINLOG_IN_USE_F;
- if (info->clear_initial_log_pos)
+ if (initial_log_pos)
{
info->clear_initial_log_pos= false;
/*
@@ -2251,9 +2263,7 @@ static int send_format_descriptor_event(binlog_send_info *info, IO_CACHE *log,
ST_CREATED_OFFSET+ev_offset, (ulong) 0);
/* fix the checksum due to latest changes in header */
- if (info->current_checksum_alg != BINLOG_CHECKSUM_ALG_OFF &&
- info->current_checksum_alg != BINLOG_CHECKSUM_ALG_UNDEF)
- fix_checksum(packet, ev_offset);
+ fix_checksum(info->current_checksum_alg, packet, ev_offset);
}
else if (info->using_gtid_state)
{
@@ -2274,9 +2284,7 @@ static int send_format_descriptor_event(binlog_send_info *info, IO_CACHE *log,
{
int4store((char*) packet->ptr()+LOG_EVENT_MINIMAL_HEADER_LEN+
ST_CREATED_OFFSET+ev_offset, (ulong) 0);
- if (info->current_checksum_alg != BINLOG_CHECKSUM_ALG_OFF &&
- info->current_checksum_alg != BINLOG_CHECKSUM_ALG_UNDEF)
- fix_checksum(packet, ev_offset);
+ fix_checksum(info->current_checksum_alg, packet, ev_offset);
}
}
@@ -2289,12 +2297,16 @@ static int send_format_descriptor_event(binlog_send_info *info, IO_CACHE *log,
}
/*
- Read the following Start_encryption_log_event but don't send it to slave.
- Slave doesn't need to know whether master's binlog is encrypted,
- and if it'll want to encrypt its logs, it should generate its own
- random nonce, not use the one from the master.
+ Read the following Start_encryption_log_event and send it to slave as
+ Ignorable_log_event. Although Slave doesn't need to know whether master's
+ binlog is encrypted but it needs to update slave log pos (for mysqlbinlog).
+
+ If slave want to encrypt its logs, it should generate its own
+ random nonce, it should not use the one from the master.
*/
- packet->length(0);
+ /* reset transmit packet for the event read from binary log file */
+ if (reset_transmit_packet(info, info->flags, &ev_offset, &info->errmsg))
+ DBUG_RETURN(1);
info->last_pos= linfo->pos;
error= Log_event::read_log_event(log, packet, info->fdev,
opt_master_verify_checksum
@@ -2308,12 +2320,13 @@ static int send_format_descriptor_event(binlog_send_info *info, IO_CACHE *log,
DBUG_RETURN(1);
}
- event_type= (Log_event_type)((uchar)(*packet)[LOG_EVENT_OFFSET]);
+ event_type= (Log_event_type)((uchar)(*packet)[LOG_EVENT_OFFSET + ev_offset]);
if (event_type == START_ENCRYPTION_EVENT)
{
Start_encryption_log_event *sele= (Start_encryption_log_event *)
- Log_event::read_log_event(packet->ptr(), packet->length(), &info->errmsg,
- info->fdev, BINLOG_CHECKSUM_ALG_OFF);
+ Log_event::read_log_event(packet->ptr() + ev_offset, packet->length()
+ - ev_offset, &info->errmsg, info->fdev,
+ BINLOG_CHECKSUM_ALG_OFF);
if (!sele)
{
info->error= ER_MASTER_FATAL_ERROR_READING_BINLOG;
@@ -2327,6 +2340,18 @@ static int send_format_descriptor_event(binlog_send_info *info, IO_CACHE *log,
delete sele;
DBUG_RETURN(1);
}
+ /* Make it Ignorable_log_event and send it */
+ (*packet)[FLAGS_OFFSET+ev_offset] |= LOG_EVENT_IGNORABLE_F;
+ if (initial_log_pos)
+ int4store((char*) packet->ptr()+LOG_POS_OFFSET+ev_offset, (ulong) 0);
+ /* fix the checksum due to latest changes in header */
+ fix_checksum(info->current_checksum_alg, packet, ev_offset);
+ if (my_net_write(info->net, (uchar*) packet->ptr(), packet->length()))
+ {
+ info->errmsg= "Failed on my_net_write()";
+ info->error= ER_UNKNOWN_ERROR;
+ DBUG_RETURN(1);
+ }
delete sele;
}
else if (start_pos == BIN_LOG_HEADER_SIZE)