int validate_socket(
int psock,
std::string &external_err_msg)
{
int rc = PBSE_NONE;
char tmp_buf[LOCAL_LOG_BUF];
char write_buf[1024];
char *read_buf = NULL;
long long read_buf_len = 0;
uid_t myrealuid;
int local_socket = 0;
int parent_client_socket = 0;
struct passwd *pwent;
char *err_msg = NULL;
char *l_server = NULL;
int l_server_len = 0;
unsigned short af_family;
long long code = -1;
int write_buf_len = 0;
int local_errno;
pid_t mypid;
char unix_sockname[MAXPATHLEN + 1];
char err_buf[MAXPATHLEN];
myrealuid = getuid();
if ((pwent = getpwuid(myrealuid)) == NULL)
{
snprintf(tmp_buf, LOCAL_LOG_BUF, "cannot get account info: uid %d, errno %d (%s)\n", (int)myrealuid, errno, strerror(errno));
log_event(PBSEVENT_ADMIN, PBS_EVENTCLASS_SERVER, __func__, tmp_buf);
}
else if ((rc = get_hostaddr_hostent_af(&local_errno, (char *)AUTH_IP, &af_family, &l_server, &l_server_len)) != PBSE_NONE)
{
snprintf(err_buf, sizeof(err_buf), "get_hostaddr_hostend_af failed: %d", rc);
external_err_msg = err_buf;
}
else if ((rc = get_parent_client_socket(psock, &parent_client_socket)) != PBSE_NONE)
{
snprintf(err_buf, sizeof(err_buf), "get_parent_client_socket failed: %d", rc);
external_err_msg = err_buf;
}
else
{
snprintf(unix_sockname, sizeof(unix_sockname), "%s/%s", TRQAUTHD_SOCK_DIR, TRQAUTHD_SOCK_NAME);
/* format is:
* trq_system|trq_port|Validation_type|user|pid|psock|
*/
mypid = getpid();
sprintf(write_buf, "%d|%d|%s|%d|%d|%d|%s|%d|%d|", TRQ_AUTH_CONNECTION, (int)strlen(server_name), server_name, server_port, AUTH_TYPE_IFF, (int)strlen(pwent->pw_name), pwent->pw_name, mypid, parent_client_socket);
/*
* total_length|val
*/
write_buf_len = strlen(write_buf);
if ((local_socket = socket_get_unix()) <= 0)
{
external_err_msg = "qsub was unable to open a socket\n";
rc = PBSE_SOCKET_FAULT;
}
else if ((rc = socket_connect_unix(local_socket, unix_sockname, &err_msg)) != PBSE_NONE)
{
external_err_msg = "qsub couldn't connect its socket to trqauthd: VERIFY THAT trqauthd IS RUNNING\n";
}
else if ((rc = socket_write(local_socket, write_buf, write_buf_len)) != write_buf_len)
{
rc = PBSE_SOCKET_WRITE;
external_err_msg = "qsub couldn't write authentication information to trqauthd";
}
else if ((rc = socket_read_num(local_socket, &code)) != PBSE_NONE)
{
external_err_msg = "qsub couldn't read the size of information from trqauthd\n";
}
else if ((rc = socket_read_str(local_socket, &read_buf, &read_buf_len)) != PBSE_NONE)
{
external_err_msg = "qsub couldn't read the response from trqauthd\n";
}
else if ((rc = parse_daemon_response(code, read_buf_len, read_buf)) != PBSE_NONE)
{
snprintf(err_buf, sizeof(err_buf), "qsub received error code %lld ('%s') from trqauthd\n", code, pbse_to_txt(code));
external_err_msg = err_buf;
}
else
{
if (getenv("PBSDEBUG"))
{
fprintf(stdout, "%s : Connection authorized (server socket %d)\n", __func__, parent_client_socket);
}
}
if (local_socket >= 0)
socket_close(local_socket);
}
if (rc != PBSE_NONE)
{
if (err_msg != NULL)
{
snprintf(err_buf, sizeof(err_buf), "Error in connection to trqauthd (%d)-[%s]\n", rc, err_msg);
external_err_msg = err_buf;
}
}
if (err_msg != NULL)
free(err_msg);
if (read_buf != NULL)
free(read_buf);
if (l_server != NULL)
free(l_server);
return(rc);
}
int validate_socket(
int psock)
{
int rc = PBSE_NONE;
static char id[] = "validate_socket";
char tmp_buf[LOCAL_LOG_BUF];
char write_buf[1024];
char *read_buf = NULL;
long long read_buf_len = 0;
uid_t myrealuid;
int local_socket = 0;
int parent_client_socket = 0;
struct passwd *pwent;
char *err_msg = NULL;
char *l_server = NULL;
int l_server_len = 0;
unsigned short af_family;
long long code = -1;
int write_buf_len = 0;
int local_errno;
myrealuid = getuid();
if ((pwent = getpwuid(myrealuid)) == NULL)
{
snprintf(tmp_buf, LOCAL_LOG_BUF, "cannot get account info: uid %d, errno %d (%s)\n", (int)myrealuid, errno, strerror(errno));
log_event(PBSEVENT_ADMIN,PBS_EVENTCLASS_SERVER,id,tmp_buf);
}
else if ((rc = get_hostaddr_hostent_af(&local_errno, AUTH_IP, &af_family, &l_server, &l_server_len)) != PBSE_NONE)
{
}
else if ((rc = get_parent_client_socket(psock, &parent_client_socket)) != PBSE_NONE)
{
}
else
{
/* format is:
* trq_system|trq_port|Validation_type|user|psock|
*/
sprintf(write_buf, "%d|%s|%d|%d|%d|%s|%d|", (int)strlen(server_name), server_name, server_port, AUTH_TYPE_IFF, (int)strlen(pwent->pw_name), pwent->pw_name, parent_client_socket);
/*
* total_length|val
*/
write_buf_len = strlen(write_buf);
if ((local_socket = socket_get_tcp()) <= 0)
{
fprintf(stderr, "socket_get_tcp error\n");
rc = PBSE_SOCKET_FAULT;
}
else if ((rc = socket_connect(&local_socket, l_server, l_server_len, AUTH_PORT, AF_INET, 0, &err_msg)) != PBSE_NONE)
{
fprintf(stderr, "socket_connect error (VERIFY THAT trqauthd IS RUNNING)\n");
}
else if ((rc = socket_write(local_socket, write_buf, write_buf_len)) != write_buf_len)
{
rc = PBSE_SOCKET_WRITE;
fprintf(stderr, "socket_write error\n");
}
else if ((rc = socket_read_num(local_socket, &code)) != PBSE_NONE)
{
fprintf(stderr, "socket_read_num error\n");
}
else if ((rc = socket_read_str(local_socket, &read_buf, &read_buf_len)) != PBSE_NONE)
{
fprintf(stderr, "socket_read_str error\n");
}
else if ((rc = parse_daemon_response(code, read_buf_len, read_buf)) != PBSE_NONE)
{
fprintf(stderr, "parse_daemon_response error\n");
}
else
{
if (getenv("PBSDEBUG"))
{
fprintf(stderr, "%s : Connection authorized (server socket %d)\n", id, parent_client_socket);
}
socket_close(local_socket);
}
}
if (rc != PBSE_NONE)
{
if (err_msg != NULL)
{
fprintf(stderr, "Error in connection to trqauthd (%d)-[%s]\n", rc, err_msg);
}
}
if (err_msg != NULL)
free(err_msg);
if (read_buf != NULL)
free(read_buf);
return rc;
}
