/*
* Class: com_oracle_avatar_js_os_Process
* Method: _setGroups
* Signature: ([Ljava/lang/String;)V
*/
JNIEXPORT void JNICALL Java_com_oracle_avatar_js_os_Process__1setGroups
(JNIEnv *env, jclass cls, jobjectArray array) {
jsize size = env->GetArrayLength(array);
gid_t* groups = new gid_t[size];
for (size_t i = 0; i < (size_t)size; i++) {
jstring str = (jstring) env->GetObjectArrayElement(array, i);
const char *content = env->GetStringUTFChars(str, 0);
gid_t gid = gid_by_name(content);
env->ReleaseStringUTFChars(str, content);
if (gid == gid_not_found) {
delete[] groups;
ThrowException(env, "gid_by_name");
return;
}
groups[i] = gid;
}
int rc = setgroups(size, groups);
delete[] groups;
if (rc == -1) {
ThrowException(env, "setgroups");
}
}
/**
* Read data from config file
*/
static void
read_config (void)
{
double t = 0;
char dummy[1024];
INF_INT_KEY (checker_memory_limit, "Checker/Limits/RSS");
INF_FLOAT_KEY (t, "Checker/Limits/Time");
checker_time_limit = t * USEC_COUNT;
INF_INT_KEY (t, "MaxThreads");
if (t > 0)
{
max_threads = t;
}
INF_PCHAR_KEY (testing_dir, "TestingDir");
INF_PCHAR_KEY (data_dir, "DataDir");
INF_PCHAR_KEY (problems_dir, "ProblemsDir");
INF_SAFE_PCHAR_KEY (source_file, "SourceFile", INFORMATICS_SOURCE);
INF_SAFE_PCHAR_KEY (file_to_exec, "FileToExec", INFORMATICS_EXEC);
/* Tests' files extensions */
INF_SAFE_PCHAR_KEY (tst_ext, "Tests/InputExtension", INFORMATICS_TSTEXT);
INF_SAFE_PCHAR_KEY (ans_ext, "Tests/OutputExtension", INFORMATICS_ANSEXT);
INF_SAFE_PCHAR_KEY (checker_cmd_template, "Checker/Command", "");
INF_INT_KEY (unlink_interval, "UnlinkInterval");
INF_INT_KEY (keep_alive_testdirs, "KeepAliveTestdirs");
INF_PCHAR_KEY (dummy, "ChRoot");
use_chroot = is_truth (dummy);
/* Get security info */
INF_SAFE_PCHAR_KEY (solution_exec_user, "SolutionExec-User", "");
solution_exec_uid = uid_by_name (solution_exec_user);
INF_SAFE_PCHAR_KEY (solution_exec_group, "SolutionExec-Group", "");
solution_exec_gid = gid_by_name (solution_exec_group);
INF_SAFE_INT_KEY (max_output_store_size, "MaxOutputStoreSize", 0);
}
/*
* Class: com_oracle_avatar_js_os_Process
* Method: _initGroups_S_S
* Signature: ([Ljava/lang/String;Ljava/lang/String;)V
*/
JNIEXPORT void JNICALL Java_com_oracle_avatar_js_os_Process__1initGroups_1S_1S
(JNIEnv *env, jclass cls, jstring user, jstring group) {
const char* u = env->GetStringUTFChars(user, 0);
const char* g = env->GetStringUTFChars(group, 0);
gid_t extra_group = gid_by_name(g);
if (extra_group == gid_not_found) {
ThrowException(env, "gid_by_name");
env->ReleaseStringUTFChars(user, u);
env->ReleaseStringUTFChars(group, g);
return;
}
int rc = initgroups(u, extra_group);
if (rc) {
ThrowException(env, "initgroups");
}
env->ReleaseStringUTFChars(user, u);
env->ReleaseStringUTFChars(group, g);
}
/*
* Class: com_oracle_avatar_js_os_Process
* Method: _initGroups_I_S
* Signature: (I[Ljava/lang/String;)V
*/
JNIEXPORT void JNICALL Java_com_oracle_avatar_js_os_Process__1initGroups_1I_1S
(JNIEnv *env, jclass cls, jint user, jstring group) {
const char* u = name_by_uid(user);
if (u == NULL) {
ThrowException(env, "name_by_uid");
return;
}
const char* g = env->GetStringUTFChars(group, 0);
gid_t extra_group = gid_by_name(g);
if (extra_group == gid_not_found) {
ThrowException(env, "gid_by_name");
return;
}
int rc = initgroups(u, extra_group);
if (rc) {
ThrowException(env, "initgroups");
return;
}
}
