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MySQL authentication with user@host

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MySQL authentication with user@host: user, host and pass word are
loaded from backend servers.
Host is currently handled as IPv4 address
This commit is contained in:
MassimilianoPinto
2014-02-14 15:56:48 +01:00
parent dd5c287339
commit 6a12e99001
6 changed files with 364 additions and 29 deletions
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47
server/modules/protocol/mysql_common.c
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@ -25,6 +25,7 @@
* 02/06/2013 Massimiliano Pinto MySQL connect asynchronous phases
* 04/09/2013 Massimiliano Pinto Added dcb NULL assert in mysql_send_custom_error
* 12/09/2013 Massimiliano Pinto Added checks in gw_decode_mysql_server_handshake and gw_read_backend_handshake
* 10/02/2014 Massimiliano Pinto Added MySQL Authentication with user@host
*
*/
@ -1099,15 +1100,53 @@ int gw_check_mysql_scramble_data(DCB *dcb, uint8_t *token, unsigned int token_le
int gw_find_mysql_user_password_sha1(char *username, uint8_t *gateway_password, void *repository) {
SERVICE *service = NULL;
struct sockaddr_in *client;
char *user_password = NULL;
DCB *dcb = (DCB *)repository;
MYSQL_USER_HOST key;
service = (SERVICE *) ((DCB *)repository)->service;
service = (SERVICE *) ((DCB *)repository)->service;
client = (struct sockaddr_in *) &dcb->ipv4;
user_password = (char *)users_fetch(service->users, username);
key.user = username;
memcpy(&key.ipv4, client, sizeof(struct sockaddr_in));
LOGIF(LD,
(skygw_log_write_flush(
LOGFILE_DEBUG,
"%lu [MySQL Client Auth], checking user [%s@%s]",
pthread_self(),
key.user,
dcb->remote)));
/* lookk for user@current_host now */
user_password = mysql_users_fetch(service->users, &key);
if (!user_password) {
return 1;
}
memset(&key.ipv4, 0, sizeof(struct sockaddr_in));
LOGIF(LD,
(skygw_log_write_flush(
LOGFILE_DEBUG,
"%lu [MySQL Client Auth], checking user [%s@%s] with wildcard host [%%]",
pthread_self(),
key.user,
dcb->remote)));
/* look for wildcard user@%, and then fail if no match */
user_password = mysql_users_fetch(service->users, &key);
if (!user_password) {
LOGIF(LD,
(skygw_log_write_flush(
LOGFILE_DEBUG,
"%lu [MySQL Client Auth], user [%s@%s] not existent",
pthread_self(),
key.user,
dcb->remote)));
return 1;
}
}
/*<
* Convert now the hex data (40 bytes) to binary (20 bytes).