/* ls_startserver()
*/
int
ls_startserver (char *host, char **server, int options)
{
int retsock;
char official[MAXHOSTNAMELEN];
struct timeval timeout;
struct sockaddr_in sin;
int s;
int descriptor[2];
struct resCmdBill cmdmsg;
int resTimeout;
socklen_t len;
if (genParams_[LSF_RES_TIMEOUT].paramValue)
resTimeout = atoi (genParams_[LSF_RES_TIMEOUT].paramValue);
else
resTimeout = RES_TIMEOUT;
if (_isconnected_ (host, descriptor))
s = descriptor[0];
else if ((s = ls_connect (host)) < 0)
return (-1);
if (!FD_ISSET (s, &connection_ok_))
{
FD_SET (s, &connection_ok_);
if (ackReturnCode_ (s) < 0)
{
closesocket (s);
_lostconnection_ (host);
return (-1);
}
}
if (!isatty (0) && !isatty (1))
options &= ~REXF_USEPTY;
else if (options & REXF_USEPTY)
{
if (rstty_ (host) < 0)
{
_lostconnection_ (host);
return (-1);
}
}
if (mygetwd_ (cmdmsg.cwd) == 0)
{
closesocket (s);
_lostconnection_ (host);
lserrno = LSE_WDIR;
return (-1);
}
if ((retsock = TcpCreate_ (TRUE, 0)) < 0)
{
closesocket (s);
_lostconnection_ (host);
return (-1);
}
len = sizeof (sin);
if (getsockname (retsock, (struct sockaddr *) &sin, &len) < 0)
{
closesocket (retsock);
closesocket (s);
_lostconnection_ (host);
lserrno = LSE_SOCK_SYS;
return (-1);
}
cmdmsg.retport = sin.sin_port;
cmdmsg.options = options & ~REXF_TASKPORT;
cmdmsg.rpid = 0;
cmdmsg.argv = server;
timeout.tv_usec = 0;
timeout.tv_sec = resTimeout;
if (sendCmdBill_ (s, (resCmd) RES_SERVER, &cmdmsg, &retsock, &timeout)
== -1)
{
closesocket (retsock);
closesocket (s);
_lostconnection_ (host);
return (-1);
}
if (ackReturnCode_ (s) < 0)
{
closesocket (retsock);
closesocket (s);
_lostconnection_ (host);
return (-1);
}
if (retsock <= 2 && (retsock = get_nonstd_desc_ (retsock)) < 0)
{
closesocket (s);
_lostconnection_ (host);
lserrno = LSE_SOCK_SYS;
return (-1);
}
gethostbysock_ (s, official);
(void) connected_ (official, -1, retsock, currentSN);
return (retsock);
} /* ls_startserver() */
int
ls_rexecve (char *host, char **argv, int options, char **envp)
{
int d;
int retsock;
struct timeval timeout;
socklen_t len;
struct sockaddr_in sin;
int max;
char sock_buf[20];
char *new_argv[5];
char pathbuf[MAXPATHLEN];
int s;
int descriptor[2];
struct resCmdBill cmdmsg;
int resTimeout;
if (genParams_[LSF_RES_TIMEOUT].paramValue)
resTimeout = atoi (genParams_[LSF_RES_TIMEOUT].paramValue);
else
resTimeout = RES_TIMEOUT;
if (_isconnected_ (host, descriptor))
s = descriptor[0];
else if ((s = ls_connect (host)) < 0)
return (-1);
if (!FD_ISSET (s, &connection_ok_))
{
FD_SET (s, &connection_ok_);
if (ackReturnCode_ (s) < 0)
{
closesocket (s);
_lostconnection_ (host);
return (-1);
}
}
cmdmsg.options = options & ~REXF_TASKPORT;
if (cmdmsg.options & REXF_SHMODE)
cmdmsg.options |= REXF_USEPTY;
if (!isatty (0) && !isatty (1))
cmdmsg.options &= ~REXF_USEPTY;
else if (cmdmsg.options & REXF_USEPTY)
{
if (rstty_ (host) < 0)
{
_lostconnection_ (host);
return (-1);
}
}
if ((genParams_[LSF_INTERACTIVE_STDERR].paramValue != NULL)
&& (strcasecmp (genParams_[LSF_INTERACTIVE_STDERR].paramValue,
"y") == 0))
{
cmdmsg.options |= REXF_STDERR;
}
if (mygetwd_ (cmdmsg.cwd) == 0)
{
closesocket (s);
_lostconnection_ (host);
lserrno = LSE_WDIR;
return (-1);
}
if (envp)
{
if (ls_rsetenv (host, envp) < 0)
{
_lostconnection_ (host);
return (-1);
}
}
if ((retsock = TcpCreate_ (TRUE, 0)) < 0)
{
closesocket (s);
_lostconnection_ (host);
return (-1);
}
len = sizeof (sin);
if (getsockname (retsock, (struct sockaddr *) &sin, &len) < 0)
{
(void) closesocket (retsock);
closesocket (s);
_lostconnection_ (host);
lserrno = LSE_SOCK_SYS;
return (-1);
}
cmdmsg.retport = sin.sin_port;
cmdmsg.rpid = 0;
cmdmsg.argv = argv;
cmdmsg.priority = 0;
timeout.tv_usec = 0;
timeout.tv_sec = resTimeout;
if (sendCmdBill_ (s, (resCmd) RES_EXEC, &cmdmsg, &retsock, &timeout) == -1)
{
closesocket (retsock);
closesocket (s);
_lostconnection_ (host);
return (-1);
}
(void) sprintf (sock_buf, "%d", retsock);
if (initenv_ (NULL, NULL) < 0)
return (-1);
strcpy (pathbuf, genParams_[LSF_SERVERDIR].paramValue);
strcat (pathbuf, "/nios");
new_argv[0] = pathbuf;
new_argv[1] = "-n";
new_argv[2] = sock_buf;
if (cmdmsg.options & REXF_USEPTY)
{
if (cmdmsg.options & REXF_SHMODE)
new_argv[3] = "2";
else
new_argv[3] = "1";
}
else
new_argv[3] = "0";
new_argv[4] = 0;
max = sysconf (_SC_OPEN_MAX);
for (d = 3; d < max; ++d)
{
if (d != retsock)
(void) close (d);
}
(void) lsfExecvp (new_argv[0], new_argv);
lserrno = LSE_EXECV_SYS;
close (retsock);
close (s);
return (-1);
}
int
ls_rtaske(char *host, char **argv, int options, char **envp)
{
static u_short retport;
static int rpid;
static int reg_ls_donerex = FALSE;
struct sockaddr_in sin;
int max;
char c_chfd[8];
char pathbuf[MAXPATHLEN];
int d;
int niosOptions = 0;
char *new_argv[5];
int pid;
int s;
int descriptor[2];
struct resCmdBill cmdmsg;
struct lslibNiosRTask taskReq;
u_short taskPort = 0;
sigset_t newMask;
sigset_t oldMask;
socklen_t len;
if (!reg_ls_donerex) {
atexit( (void (*) ()) ls_donerex);
reg_ls_donerex = TRUE;
}
if (_isconnected_(host, descriptor))
s = descriptor[0];
else if ((s = ls_connect(host)) < 0)
return(-1);
if (blockALL_SIGS_(&newMask, &oldMask) < 0)
return (-1);
if (!FD_ISSET(s,&connection_ok_)){
FD_SET(s,&connection_ok_);
if (ackReturnCode_(s) < 0){
closesocket(s);
_lostconnection_(host);
sigprocmask(SIG_SETMASK, &oldMask, NULL);
return (-1);
}
}
if (!nios_ok_)
niosOptions = options & REXF_SYNCNIOS;
options &= ~REXF_SYNCNIOS;
cmdmsg.options = options;
if (cmdmsg.options & REXF_SHMODE)
cmdmsg.options |= REXF_USEPTY;
if (!isatty(0) && !isatty(1))
cmdmsg.options &= ~REXF_USEPTY;
else if (cmdmsg.options & REXF_USEPTY ){
if (options & REXF_TTYASYNC){
if (rstty_async_(host) < 0) {
sigprocmask(SIG_SETMASK, &oldMask, NULL);
return (-1);
}
} else {
if (rstty_(host) < 0) {
sigprocmask(SIG_SETMASK, &oldMask, NULL);
return (-1);
}
}
}
if ( (genParams_[LSF_INTERACTIVE_STDERR].paramValue != NULL)
&& (strcasecmp(genParams_[LSF_INTERACTIVE_STDERR].paramValue,
"y") == 0) ) {
cmdmsg.options |= REXF_STDERR;
}
if (!nios_ok_) {
initSigHandler(SIGTSTP);
initSigHandler(SIGTTIN);
initSigHandler(SIGTTOU);
if (socketpair(AF_UNIX, SOCK_STREAM, 0, cli_nios_fd) < 0) {
lserrno = LSE_SOCK_SYS;
sigprocmask(SIG_SETMASK, &oldMask, NULL);
closesocket(s);
return(-1);
}
if ((pid = fork()) != 0) {
int mypid;
close(cli_nios_fd[1]);
mypid = getpid();
if (b_write_fix(cli_nios_fd[0], (char *) &mypid, sizeof (mypid)) !=
sizeof (mypid)) {
close(cli_nios_fd[0]);
sigprocmask(SIG_SETMASK, &oldMask, NULL);
lserrno = LSE_MSG_SYS;
return (-1);
}
if (b_read_fix(cli_nios_fd[0], (char *) &retport, sizeof (u_short))
!= sizeof(u_short) ) {
close(cli_nios_fd[0]);
sigprocmask(SIG_SETMASK, &oldMask, NULL);
lserrno = LSE_MSG_SYS;
return (-1);
}
nios_ok_ = TRUE;
if (waitpid(pid, 0, 0) <0) {
if (errno != ECHILD) {
close(cli_nios_fd[0]);
nios_ok_ = FALSE;
sigprocmask(SIG_SETMASK, &oldMask, NULL);
lserrno = LSE_WAIT_SYS;
return (-1);
}
}
} else {
if (fork()) {
max = sysconf(_SC_OPEN_MAX);
for (d = 3; d < max; ++d) {
(void)close(d);
}
exit(0);
}
if (initenv_(NULL, NULL) <0)
exit (-1);
strcpy(pathbuf, genParams_[LSF_SERVERDIR].paramValue);
strcat(pathbuf, "/nios");
sprintf(c_chfd, "%d", cli_nios_fd[1]);
new_argv[0] = pathbuf;
new_argv[1] = c_chfd;
if (cmdmsg.options & REXF_USEPTY) {
if (cmdmsg.options & REXF_SHMODE)
new_argv[2] = "2";
else
new_argv[2] = "1";
}
else
new_argv[2] = "0";
new_argv[3] = NULL;
max = sysconf(_SC_OPEN_MAX);
for (d = 3; d < max; ++d) {
if (d != cli_nios_fd[1])
(void)close(d);
}
for (d = 1; d < NSIG; d++)
Signal_(d, SIG_DFL);
sigprocmask(SIG_SETMASK, &oldMask, NULL);
(void)lsfExecvp(new_argv[0], new_argv);
exit(-1);
}
}
if (envp) {
if (ls_rsetenv_async (host, envp) < 0) {
sigprocmask(SIG_SETMASK, &oldMask, NULL);
return (-1);
}
}
if (rexcwd_[0] != '\0')
strcpy(cmdmsg.cwd, rexcwd_);
else if (mygetwd_(cmdmsg.cwd) == 0) {
closesocket(s);
_lostconnection_(host);
lserrno = LSE_WDIR;
sigprocmask(SIG_SETMASK, &oldMask, NULL);
return (-1);
}
rpid++;
cmdmsg.rpid = rpid;
cmdmsg.retport = retport;
cmdmsg.argv = argv;
cmdmsg.priority = 0;
if (sendCmdBill_(s, (resCmd) RES_EXEC, &cmdmsg, NULL, NULL) == -1) {
closesocket(s);
_lostconnection_(host);
sigprocmask(SIG_SETMASK, &oldMask, NULL);
return(-1);
}
if (cmdmsg.options & REXF_TASKPORT) {
if ((taskPort = getTaskPort(s)) == 0) {
closesocket(s);
_lostconnection_(host);
sigprocmask(SIG_SETMASK, &oldMask, NULL);
return(-1);
}
}
len = sizeof(sin);
if (getpeername(s, (struct sockaddr *) &sin, &len) <0) {
closesocket(s);
_lostconnection_(host);
lserrno = LSE_SOCK_SYS;
sigprocmask(SIG_SETMASK, &oldMask, NULL);
return(-1);
}
SET_LSLIB_NIOS_HDR(taskReq.hdr, LIB_NIOS_RTASK, sizeof(taskReq.r));
taskReq.r.pid = rpid;
taskReq.r.peer = sin.sin_addr;
taskReq.r.pid = (niosOptions & REXF_SYNCNIOS)? -rpid : rpid;
if (b_write_fix(cli_nios_fd[0], (char *) &taskReq, sizeof(taskReq))
!= sizeof(taskReq)) {
closesocket(s);
_lostconnection_(host);
lserrno = LSE_MSG_SYS;
sigprocmask(SIG_SETMASK, &oldMask, NULL);
return (-1);
}
if (tid_register(rpid, s, taskPort, host, options & REXF_TASKINFO) == -1) {
closesocket(s);
_lostconnection_(host);
lserrno = LSE_MALLOC;
sigprocmask(SIG_SETMASK, &oldMask, NULL);
return (-1);
}
sigprocmask(SIG_SETMASK, &oldMask, NULL);
return (rpid);
}
