hcq/MaxScale
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Service are not started if user permissions are inadequate.

Browse Source 
Also cleaned up code and error messages.
This commit is contained in:
Markus Makela
2015-08-27 16:00:32 +03:00
parent cb2b465510
commit 525daf827a
7 changed files with 81 additions and 45 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
server/core/config.c
View File

@ -92,7 +92,7 @@ static void global_defaults();
static void feedback_defaults();
static void check_config_objects(CONFIG_CONTEXT *context);
int config_truth_value(char *str);
int internalService(char *router);
int isInternalService(char *router);
int config_get_ifaddr(unsigned char *output);
int config_get_release_string(char* release);
FEEDBACK_CONF * config_get_feedback_data();
@ -898,7 +898,7 @@ process_config_context(CONFIG_CONTEXT *context)
s = strtok_r(NULL, ",", &lasts);
}
}
else if (servers == NULL && internalService(router) == 0)
else if (servers == NULL && isInternalService(router) == 0)
{
LOGIF(LE, (skygw_log_write_flush(
LOGFILE_ERROR,
@ -1107,7 +1107,7 @@ process_config_context(CONFIG_CONTEXT *context)
monitorAddUser(obj->element,
user,
passwd);
valid_monitor_permissions(obj->element);
check_monitor_permissions(obj->element);
}
else if (obj->element && user)
{
@ -2231,7 +2231,7 @@ static char *InternalRouters[] = {
* @return Non-zero if the router is in the InternalRouters table
*/
int
internalService(char *router)
isInternalService(char *router)
{
int i;

66
server/core/dbusers.c
View File

@ -2323,30 +2323,32 @@ int add_wildcard_users(USERS *users, char* name, char* host, char* password, cha
* is logged.
* @param service Service to inspect
*/
void valid_service_permissions(SERVICE* service)
bool check_service_permissions(SERVICE* service)
{
MYSQL* mysql;
MYSQL_RES* res;
char *user,*password,*dpasswd;
SERVER_REF* server;
int conn_timeout = 1;
bool rval = true;
if(internalService(service->routerModule))
return;
if(isInternalService(service->routerModule))
return true;
if(service->dbref == NULL)
{
skygw_log_write(LE,"[%s] Error: Service is missing the servers parameter.",service->name);
return;
skygw_log_write(LE,"%s: Error: Service is missing the servers parameter.",service->name);
return false;
}
server = service->dbref;
if (serviceGetUser(service, &user, &password) == 0)
{
skygw_log_write(LE,"[%s] Error: Service %s is missing the user credentials for authentication.",
__FUNCTION__,service->name);
return;
skygw_log_write(LE,
"%s: Error: Service is missing the user credentials for authentication.",
service->name);
return false;
}
dpasswd = decryptPassword(password);
@ -2355,7 +2357,7 @@ void valid_service_permissions(SERVICE* service)
{
skygw_log_write(LE,"[%s] Error: MySQL connection initialization failed.",__FUNCTION__);
free(dpasswd);
return;
return false;
}
mysql_options(mysql,MYSQL_OPT_USE_REMOTE_CONNECTION,NULL);
@ -2365,7 +2367,7 @@ void valid_service_permissions(SERVICE* service)
if(mysql_real_connect(mysql,server->server->name,user,dpasswd,NULL,server->server->port,NULL,0) == NULL)
{
skygw_log_write(LE,"[%s] Error: Failed to connect to server %s(%s:%d) when"
skygw_log_write(LE,"%s: Error: Failed to connect to server %s(%s:%d) when"
" checking authentication user credentials and permissions.",
service->name,
server->server->unique_name,
@ -2373,46 +2375,64 @@ void valid_service_permissions(SERVICE* service)
server->server->port);
mysql_close(mysql);
free(dpasswd);
return;
return false;
}
if(mysql_query(mysql,"SELECT user, host, password,Select_priv FROM mysql.user limit 1") != 0)
{
if(mysql_errno(mysql) == ER_TABLEACCESS_DENIED_ERROR)
{
skygw_log_write(LE,"[%s] Error: User '%s' is missing SELECT privileges on mysql.user table. MySQL error message: %s",
skygw_log_write(LE,"%s: Error: User '%s' is missing SELECT privileges"
" on mysql.user table. MySQL error message: %s",
service->name,user,mysql_error(mysql));
rval = false;
}
else
{
skygw_log_write(LE,"[%s] Error: Failed to query from mysql.user table. MySQL error message: %s",
skygw_log_write(LE,"%s: Error: Failed to query from mysql.user table."
" MySQL error message: %s",
service->name,mysql_error(mysql));
}
mysql_close(mysql);
free(dpasswd);
return;
}
mysql_free_result(mysql_use_result(mysql));
if((res = mysql_use_result(mysql)) == NULL)
{
skygw_log_write(LE,"%s: Error: Result retrieval failed when checking for"
" permissions to the mysql.user table: %s",
service->name,mysql_error(mysql));
mysql_close(mysql);
free(dpasswd);
return rval;
}
mysql_free_result(res);
if(mysql_query(mysql,"SELECT user, host, db FROM mysql.db limit 1") != 0)
{
if(mysql_errno(mysql) == ER_TABLEACCESS_DENIED_ERROR)
{
skygw_log_write(LE,"[%s] Error: User '%s' is missing SELECT privileges on mysql.db table. MySQL error message: %s",
skygw_log_write(LE,"%s: Error: User '%s' is missing SELECT privileges on mysql.db table. MySQL error message: %s",
service->name,user,mysql_error(mysql));
rval = false;
}
else
{
skygw_log_write(LE,"[%s] Error: Failed to query from mysql.user table. MySQL error message: %s",
skygw_log_write(LE,"%s: Error: Failed to query from mysql.db table. MySQL error message: %s",
service->name,mysql_error(mysql));
}
mysql_close(mysql);
free(dpasswd);
return;
}
mysql_free_result(mysql_use_result(mysql));
if((res = mysql_use_result(mysql)) == NULL)
{
skygw_log_write(LE,"%s: Error: Result retrieval failed when checking for permissions to the mysql.db table: %s",
service->name,mysql_error(mysql));
}
else
{
mysql_free_result(res);
}
mysql_close(mysql);
free(dpasswd);
return rval;
}

34
server/core/monitor.c
View File

@ -51,8 +51,6 @@ extern __thread log_info_t tls_log_info;
static MONITOR *allMonitors = NULL;
static SPINLOCK monLock = SPINLOCK_INIT;
void valid_monitor_permissions(MONITOR* monitor);
/**
* Allocate a new monitor, load the associated module for the monitor
* and start execution on the monitor.
@ -458,13 +456,14 @@ int *data;
* this checks for REPLICATION CLIENT permissions
* @param service Monitor to inspect
*/
void valid_monitor_permissions(MONITOR* monitor)
bool check_monitor_permissions(MONITOR* monitor)
{
MYSQL* mysql;
MYSQL_RES* res;
char *user,*dpasswd;
SERVER* server;
int conn_timeout = 1;
bool rval = true;
user = monitor->user;
dpasswd = decryptPassword(monitor->password);
@ -473,7 +472,7 @@ void valid_monitor_permissions(MONITOR* monitor)
{
skygw_log_write(LE,"[%s] Error: MySQL connection initialization failed.",__FUNCTION__);
free(dpasswd);
return;
return false;
}
server = monitor->databases->server;
@ -484,7 +483,7 @@ void valid_monitor_permissions(MONITOR* monitor)
* user permissions. */
if(mysql_real_connect(mysql,server->name,user,dpasswd,NULL,server->port,NULL,0) == NULL)
{
skygw_log_write(LE,"[%s] Error: Failed to connect to server %s(%s:%d) when"
skygw_log_write(LE,"%s: Error: Failed to connect to server %s(%s:%d) when"
" checking monitor user credentials and permissions.",
monitor->name,
server->unique_name,
@ -492,27 +491,36 @@ void valid_monitor_permissions(MONITOR* monitor)
server->port);
mysql_close(mysql);
free(dpasswd);
return;
return true;
}
if(mysql_query(mysql,"show slave status") != 0)
{
if(mysql_errno(mysql) == ER_SPECIFIC_ACCESS_DENIED_ERROR)
{
skygw_log_write(LE,"[%s] Error: User '%s' is missing REPLICATION CLIENT privileges. MySQL error message: %s",
skygw_log_write(LE,"%s: Error: User '%s' is missing REPLICATION CLIENT privileges. MySQL error message: %s",
monitor->name,mysql_error(mysql));
rval = false;
}
else
{
skygw_log_write(LE,"[%s] Error: Monitor failed to query for slave status. MySQL error message: %s",
skygw_log_write(LE,"%s: Error: Monitor failed to query for slave status. MySQL error message: %s",
monitor->name,mysql_error(mysql));
}
mysql_close(mysql);
free(dpasswd);
return;
}
mysql_free_result(mysql_use_result(mysql));
else
{
if((res = mysql_use_result(mysql)) == NULL)
{
skygw_log_write(LE,"%s: Error: Result retrieval failed when checking for REPLICATION CLIENT permissions: %s",
monitor->name,mysql_error(mysql));
free(dpasswd);
mysql_close(mysql);
return rval;
}
mysql_free_result(res);
}
mysql_close(mysql);
free(dpasswd);
return rval;
}

12
server/core/service.c
View File

@ -417,6 +417,16 @@ serviceStart(SERVICE *service)
SERV_PROTOCOL *port;
int listeners = 0;
if(!check_service_permissions(service))
{
skygw_log_write_flush(LE,
"%s: Inadequate user permissions for service. Service not started.",
service->name);
service->state = SERVICE_STATE_FAILED;
return 0;
}
if(service->ssl_mode != SSL_DISABLED)
{
if(serviceInitSSL(service) != 0)
@ -438,8 +448,6 @@ if(service->ssl_mode != SSL_DISABLED)
return 0;
}
valid_service_permissions(service);
port = service->ports;
while (!service->svc_do_shutdown && port)
{

2
server/include/dbusers.h
View File

@ -68,5 +68,5 @@ extern char *mysql_users_fetch(USERS *users, MYSQL_USER_HOST *key);
extern int replace_mysql_users(SERVICE *service);
extern int dbusers_save(USERS *, char *);
extern int dbusers_load(USERS *, char *);
void valid_service_permissions(SERVICE* service);
bool check_service_permissions(SERVICE* service);
#endif

2
server/include/maxconfig.h
View File

@ -146,5 +146,5 @@ void config_enable_feedback_task(void);
void config_disable_feedback_task(void);
unsigned long config_get_gateway_id(void);
GATEWAY_CONF* config_get_global_options();
int internalService(char *router);
int isInternalService(char *router);
#endif

2
server/include/monitor.h
View File

@ -169,5 +169,5 @@ extern void monitorList(DCB *);
extern void monitorSetInterval (MONITOR *, unsigned long);
extern void monitorSetNetworkTimeout(MONITOR *, int, int);
extern RESULTSET *monitorGetList();
void valid_monitor_permissions(MONITOR* monitor);
bool check_monitor_permissions(MONITOR* monitor);
#endif