int parse_request_client(
int sock,
char **server_name,
int *server_port,
int *auth_type,
char **user,
int *user_sock)
{
int rc = PBSE_NONE;
long long tmp_val = 0, tmp_port = 0, tmp_auth_type = 0, tmp_sock = 0;
if ((rc = socket_read_str(sock, server_name, &tmp_val)) != PBSE_NONE)
{
}
else if ((rc = socket_read_num(sock, &tmp_port)) != PBSE_NONE)
{
}
else if ((rc = socket_read_num(sock, &tmp_auth_type)) != PBSE_NONE)
{
}
else if ((rc = socket_read_str(sock, user, &tmp_val)) != PBSE_NONE)
{
}
else if ((rc = socket_read_num(sock, &tmp_sock)) != PBSE_NONE)
{
}
else
{
*server_port = (int)tmp_port;
*auth_type = (int)tmp_auth_type;
*user_sock = (int)tmp_sock;
}
return rc;
}
int parse_terminate_request(
int sock,
char **username,
int *pid)
{
int rc = PBSE_NONE;
long long tmp_val;
long long tmp_pid;
if ((rc = socket_read_str(sock, username, &tmp_val)) != PBSE_NONE)
{
}
else if ((rc = socket_read_num(sock, &tmp_pid)) != PBSE_NONE)
{
}
else
{
*pid = tmp_pid;
}
return(rc);
}
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;
}
int get_active_pbs_server(
char **active_server,
int *port)
{
char *err_msg = NULL;
char *current_server = NULL;
char unix_sockname[MAXPATHLEN + 1];
char write_buf[MAX_LINE];
int write_buf_len;
char *read_buf = NULL;
long long read_buf_len = MAX_LINE;
int local_socket;
int rc = PBSE_NONE;
long long ret_code = PBSE_NONE;
char *timeout_ptr;
if ((timeout_ptr = getenv("PBSAPITIMEOUT")) != NULL)
{
time_t tmp_timeout = strtol(timeout_ptr, NULL, 0);
if (tmp_timeout > 0)
{
pbs_tcp_timeout = tmp_timeout;
}
}
/* the syntax for this call is a number followed by a | (pipe). The pipe indicates
the end of a number */
sprintf(write_buf, "%d|", TRQ_GET_ACTIVE_SERVER);
write_buf_len = strlen(write_buf);
snprintf(unix_sockname, sizeof(unix_sockname), "%s/%s", TRQAUTHD_SOCK_DIR, TRQAUTHD_SOCK_NAME);
local_socket = socket_get_unix();
if (local_socket < 0)
return(local_socket * -1); /* socket_get_unix returns a negative PBSE error on failure. make it positive */
rc = socket_connect_unix(local_socket, unix_sockname, &err_msg);
if (err_msg != NULL)
free(err_msg);
if (rc != PBSE_NONE)
{
close(local_socket);
fprintf(stderr, "socket_connect_unix failed: %d\n", rc);
return(rc);
}
rc = socket_write(local_socket, write_buf, write_buf_len);
if (rc <= 0 )
{
close(local_socket);
fprintf(stderr, "socket_write failed: %d\n", rc);
return(PBSE_SYSTEM);
}
/* get the server name */
if ((rc = socket_read_num(local_socket, &ret_code)) != PBSE_NONE)
{
close(local_socket);
return(rc);
}
else if ((rc = socket_read_str(local_socket, &read_buf, &read_buf_len)) != PBSE_NONE)
{
if (read_buf != NULL)
free(read_buf);
close(local_socket);
return(rc);
}
else if ((rc = socket_read_num(local_socket, (long long *)port)) != PBSE_NONE)
{
if (read_buf != NULL)
free(read_buf);
close(local_socket);
return(rc);
}
close(local_socket);
if (read_buf_len == 0)
{
if (read_buf != NULL)
free(read_buf);
return(PBSE_SOCKET_READ);
}
// read_buf has been allocated in socket_read_str()
current_server = read_buf;
*active_server = current_server;
return(rc);
} /* END get_active_pbs_server() */
int validate_active_pbs_server(
char **active_server)
{
char *err_msg = NULL;
char unix_sockname[MAXPATHLEN + 1];
char write_buf[MAX_LINE];
int write_buf_len;
char *read_buf = NULL;
long long read_buf_len = MAX_LINE;
int local_socket;
int rc;
long long ret_code;
/* the format is TRQ command */
sprintf(write_buf, "%d|", TRQ_VALIDATE_ACTIVE_SERVER);
write_buf_len = strlen(write_buf);
snprintf(unix_sockname, sizeof(unix_sockname), "%s/%s", TRQAUTHD_SOCK_DIR, TRQAUTHD_SOCK_NAME);
local_socket = socket_get_unix();
if (local_socket < 0)
{
fprintf(stderr, "could not allocate unix domain socket: %d\n", local_socket);
return(local_socket * -1); /*socket_get_unix returns a negative PBSE error value
Change it back */
}
rc = socket_connect_unix(local_socket, unix_sockname, &err_msg);
if (err_msg != NULL)
free(err_msg);
if (rc != PBSE_NONE)
{
close(local_socket);
fprintf(stderr, "socket_connect_unix failed: %d\n", rc);
return(rc);
}
rc = socket_write(local_socket, write_buf, write_buf_len);
if (rc <= 0 )
{
close(local_socket);
fprintf(stderr, "socket_write failed: %d\n", rc);
return(PBSE_SYSTEM);
}
rc = socket_read_num(local_socket, &ret_code);
if (rc != PBSE_NONE)
{
close(local_socket);
return(rc);
}
rc = socket_read_str(local_socket, &read_buf, &read_buf_len);
close(local_socket);
if ((rc == PBSE_NONE) &&
(read_buf_len != 0))
{
*active_server = read_buf;
}
else
{
if (read_buf != NULL)
free(read_buf);
if (rc != PBSE_NONE)
return(rc);
if (read_buf_len == 0)
return(PBSE_SOCKET_READ);
}
return(rc);
} /* END validate_active_pbs_server() */
int terminate_trqauthd()
{
int rc = PBSE_NONE;
int sock = -1;
char write_buf[MAX_LINE];
char *read_buf = NULL;
char log_buf[MAX_BUF];
long long read_buf_len = MAX_LINE;
long long ret_code;
uid_t myrealuid;
pid_t mypid;
struct passwd *pwent;
myrealuid = getuid();
pwent = getpwuid(myrealuid);
if (pwent == NULL)
{
snprintf(log_buf, MAX_BUF, "cannot get account info: uid %d, errno %d (%s)\n", (int)myrealuid, errno, strerror(errno));
log_event(PBSEVENT_ADMIN, PBS_EVENTCLASS_SERVER, __func__, log_buf);
return(PBSE_SYSTEM);
}
mypid = getpid();
sprintf(write_buf, "%d|%d|%s|%d|", TRQ_DOWN_TRQAUTHD, (int )strlen(pwent->pw_name), pwent->pw_name, mypid);
if((rc = connect_to_trqauthd(&sock)) != PBSE_NONE)
{
fprintf(stderr, "Could not connect to trqauthd. trqauthd may already be down\n");
}
else if ((rc = socket_write(sock, write_buf, strlen(write_buf))) < 0)
{
fprintf(stderr, "Failed to send termnation request to trqauthd: %d\n", rc);
}
else if ((rc = socket_read_num(sock, &ret_code)) != PBSE_NONE)
{
fprintf(stderr, "trqauthd did not give proper response. Check to see if traquthd has terminated: %d\n", rc);
}
else if (ret_code != PBSE_NONE)
{
rc = socket_read_str(sock, &read_buf, &read_buf_len);
fprintf(stderr, "trqauthd not shutdown. %s\n", read_buf);
}
else if ((rc = socket_read_str(sock, &read_buf, &read_buf_len)) != PBSE_NONE)
{
fprintf(stderr, "trqauthd did not respond. Check to see if trqauthd has terminated: %d\n", rc);
}
else if( (rc = connect_to_trqauthd(&sock)) != PBSE_NONE) /* We do this because the accept loop on trqauthd
is still waiting for a command before it realizes
it is terminated */
{
fprintf(stdout, "\ntrqauthd has been terminated\n");
}
else
{
fprintf(stdout, "\ntrqauthd has been terminated\n");
}
if (sock != -1)
close(sock);
if (read_buf != NULL)
{
free(read_buf);
}
return(rc);
}