/* 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); }