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MDEV-4379 expand MariaDB dual-stack support

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when binding to wildcard addresses (no --bind is specified or --bind=*),
bind to both ipv6 and ipv4 as mysql-5.6 is doing.
This commit is contained in:
Sergei Golubchik
2014-08-03 21:43:59 +02:00
parent 6145e167f3
commit ef2bf18706
4 changed files with 121 additions and 0 deletions
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87
mysql-test/r/ipv4_and_ipv6.result Normal file
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@ -0,0 +1,87 @@
=============Test of '::1' ========================================
mysqld is alive
CREATE USER testuser@'::1' identified by '1234';
GRANT ALL ON test.* TO testuser@'::1';
SHOW GRANTS FOR testuser@'::1';
Grants for testuser@::1
GRANT USAGE ON *.* TO 'testuser'@'::1' IDENTIFIED BY PASSWORD '*A4B6157319038724E3560894F7F932C8886EBFCF'
GRANT ALL PRIVILEGES ON `test`.* TO 'testuser'@'::1'
SET @nip= inet_aton('::1');
SELECT @nip;
@nip
NULL
SELECT inet_ntoa(@nip);
inet_ntoa(@nip)
NULL
SELECT USER();
USER()
root@localhost
SELECT current_user();
current_user()
root@localhost
SHOW PROCESSLIST;
REVOKE ALL ON test.* FROM testuser@'::1';
RENAME USER testuser@'::1' to testuser1@'::1';
SET PASSWORD FOR testuser1@'::1' = PASSWORD ('9876');
SELECT USER();
USER()
root@localhost
DROP USER testuser1@'::1';
=============Test of '127.0.0.1' (IPv4) ===========================
mysqld is alive
CREATE USER testuser@'127.0.0.1' identified by '1234';
GRANT ALL ON test.* TO testuser@'127.0.0.1';
SHOW GRANTS FOR testuser@'127.0.0.1';
Grants for testuser@127.0.0.1
GRANT USAGE ON *.* TO 'testuser'@'127.0.0.1' IDENTIFIED BY PASSWORD '*A4B6157319038724E3560894F7F932C8886EBFCF'
GRANT ALL PRIVILEGES ON `test`.* TO 'testuser'@'127.0.0.1'
SET @nip= inet_aton('127.0.0.1');
SELECT @nip;
@nip
2130706433
SELECT inet_ntoa(@nip);
inet_ntoa(@nip)
127.0.0.1
SELECT USER();
USER()
root@localhost
SELECT current_user();
current_user()
root@localhost
SHOW PROCESSLIST;
REVOKE ALL ON test.* FROM testuser@'127.0.0.1';
RENAME USER testuser@'127.0.0.1' to testuser1@'127.0.0.1';
SET PASSWORD FOR testuser1@'127.0.0.1' = PASSWORD ('9876');
SELECT USER();
USER()
root@localhost
DROP USER testuser1@'127.0.0.1';
=============Test of '0:0:0:0:0:FFFF:127.0.0.1' ===================
mysqld is alive
CREATE USER testuser@'0:0:0:0:0:FFFF:127.0.0.1' identified by '1234';
GRANT ALL ON test.* TO testuser@'0:0:0:0:0:FFFF:127.0.0.1';
SHOW GRANTS FOR testuser@'0:0:0:0:0:FFFF:127.0.0.1';
Grants for testuser@0:0:0:0:0:ffff:127.0.0.1
GRANT USAGE ON *.* TO 'testuser'@'0:0:0:0:0:ffff:127.0.0.1' IDENTIFIED BY PASSWORD '*A4B6157319038724E3560894F7F932C8886EBFCF'
GRANT ALL PRIVILEGES ON `test`.* TO 'testuser'@'0:0:0:0:0:ffff:127.0.0.1'
SET @nip= inet_aton('0:0:0:0:0:FFFF:127.0.0.1');
SELECT @nip;
@nip
NULL
SELECT inet_ntoa(@nip);
inet_ntoa(@nip)
NULL
SELECT USER();
USER()
root@localhost
SELECT current_user();
current_user()
root@localhost
SHOW PROCESSLIST;
REVOKE ALL ON test.* FROM testuser@'0:0:0:0:0:FFFF:127.0.0.1';
RENAME USER testuser@'0:0:0:0:0:FFFF:127.0.0.1' to testuser1@'0:0:0:0:0:FFFF:127.0.0.1';
SET PASSWORD FOR testuser1@'0:0:0:0:0:FFFF:127.0.0.1' = PASSWORD ('9876');
SELECT USER();
USER()
root@localhost
DROP USER testuser1@'0:0:0:0:0:FFFF:127.0.0.1';

1
mysql-test/t/ipv4_and_ipv6.opt Normal file
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--skip-name-resolve --bind-address=*

18
mysql-test/t/ipv4_and_ipv6.test Normal file
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--source include/check_ipv6.inc
--source include/not_embedded.inc
echo =============Test of '::1' ========================================;
let $IPv6= ::1;
--source include/ipv6_clients.inc
--source include/ipv6.inc
echo =============Test of '127.0.0.1' (IPv4) ===========================;
let $IPv6= 127.0.0.1;
--source include/ipv6_clients.inc
--source include/ipv6.inc
echo =============Test of '0:0:0:0:0:FFFF:127.0.0.1' ===================;
let $IPv6= 0:0:0:0:0:FFFF:127.0.0.1;
--source include/ipv6_clients.inc
--source include/ipv6.inc

15
sql/mysqld.cc
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@ -2384,6 +2384,21 @@ static MYSQL_SOCKET activate_tcp_port(uint port)
unireg_abort(1); /* purecov: tested */
}
/*
special case: for wildcard addresses prefer ipv6 over ipv4,
because we later switch off IPV6_V6ONLY, so ipv6 wildcard
addresses will work for ipv4 too
*/
if ((my_bind_addr_str == NULL || strcmp(my_bind_addr_str, "*") == 0)
&& ai->ai_family == AF_INET && ai->ai_next
&& ai->ai_next->ai_family == AF_INET6)
{
a= ai;
ai= ai->ai_next;
a->ai_next= ai->ai_next;
ai->ai_next= a;
}
for (a= ai; a != NULL; a= a->ai_next)
{
ip_sock= mysql_socket_socket(key_socket_tcpip, a->ai_family,