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aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China * Use is subject to license terms.
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China#include <dlfcn.h>
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China#include <pthread.h>
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China#include <string.h>
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China#include <sys/sem.h>
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China#include "libsun_ima.h"
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China#include "ima-plugin.h"
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing Chinaextern int number_of_plugins;
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing Chinaextern int libMutex;
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing Chinaextern IMA_PLUGIN_INFO plugintable[IMA_MAX_NUM_PLUGINS];
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing Chinaextern void InitLibrary();
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing Chinastatic void os_obtainmutex(int semid);
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing Chinastatic void os_releasemutex(int semid);
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing ChinaIMA_API IMA_STATUS SUN_IMA_SetTunableProperties(
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China ISCSI_TUNABLE_PARAM *param) {
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China SUN_IMA_SetTunablePropertiesFn PassFunc;
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China IMA_STATUS status;
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China if (number_of_plugins == -1) {
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China if (param == NULL) {
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China return (IMA_ERROR_INVALID_PARAMETER);
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China if ((oid.objectType != IMA_OBJECT_TYPE_LHBA) &&
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China (oid.objectType != IMA_OBJECT_TYPE_TARGET)) {
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China return (IMA_ERROR_INCORRECT_OBJECT_TYPE);
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China os_obtainmutex(libMutex);
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China status = IMA_ERROR_OBJECT_NOT_FOUND;
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China for (i = 0; i < number_of_plugins; i++) {
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China if (plugintable[i].ownerId == oid.ownerId) {
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China status = IMA_ERROR_UNEXPECTED_OS_ERROR;
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China os_obtainmutex(plugintable[i].pluginMutex);
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China PassFunc = (SUN_IMA_SetTunablePropertiesFn)
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China dlsym(plugintable[i].hPlugin,
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China "SUN_IMA_SetTunableProperties");
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China if (PassFunc != NULL) {
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China status = PassFunc(oid, param);
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China os_releasemutex(plugintable[i].pluginMutex);
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China os_releasemutex(libMutex);
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China return (status);
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing ChinaIMA_API IMA_STATUS SUN_IMA_GetTunableProperties(
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China ISCSI_TUNABLE_PARAM *param) {
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China SUN_IMA_GetTunablePropertiesFn PassFunc = NULL;
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China IMA_STATUS status;
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China if (number_of_plugins == -1) {
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China if (param == NULL) {
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China return (IMA_ERROR_INVALID_PARAMETER);
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China if ((oid.objectType != IMA_OBJECT_TYPE_LHBA) &&
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China (oid.objectType != IMA_OBJECT_TYPE_TARGET)) {
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China return (IMA_ERROR_INCORRECT_OBJECT_TYPE);
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China os_obtainmutex(libMutex);
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China status = IMA_ERROR_OBJECT_NOT_FOUND;
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China for (i = 0; i < number_of_plugins; i++) {
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China status = IMA_ERROR_UNEXPECTED_OS_ERROR;
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China if (plugintable[i].ownerId == oid.ownerId) {
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China os_obtainmutex(plugintable[i].pluginMutex);
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China PassFunc = (SUN_IMA_GetTunablePropertiesFn)
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China dlsym(plugintable[i].hPlugin,
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China "SUN_IMA_GetTunableProperties");
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China if (PassFunc != NULL) {
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China status = PassFunc(oid, param);
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China os_releasemutex(plugintable[i].pluginMutex);
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China os_releasemutex(libMutex);
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China return (status);
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing Chinastatic void os_obtainmutex(int semid) {
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China struct sembuf sem_b;
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China sem_b.sem_num = 0;
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China sem_b.sem_op = -1;
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China sem_b.sem_flg = SEM_UNDO;
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China retVal = semop(semid, &sem_b, 1);
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing Chinastatic void os_releasemutex(int semid) {
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China struct sembuf sem_b;
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China sem_b.sem_num = 0;
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China sem_b.sem_op = 1;
aff4bce51ecc47df7e5a6351b7cee6bc20408c63yi zhang - Sun Microsystems - Beijing China sem_b.sem_flg = SEM_UNDO;