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Diff for /OpenXM/src/kxx/oxmain.c between version 1.11 and 1.21

version 1.11, 2002/05/02 08:33:47 version 1.21, 2005/02/28 12:53:44
Line 1 
Line 1 
 /*  $OpenXM: OpenXM/src/kxx/oxmain.c,v 1.10 2002/05/02 03:08:28 takayama Exp $  */  /*  $OpenXM: OpenXM/src/kxx/oxmain.c,v 1.20 2004/09/17 12:32:11 takayama Exp $  */
 /* nullserver01 */  /* nullserver01 */
 #include <stdio.h>  #include <stdio.h>
 #include <fcntl.h>  #include <fcntl.h>
Line 10 
Line 10 
 #include <netdb.h>  #include <netdb.h>
 #include <signal.h>  #include <signal.h>
 #include <setjmp.h>  #include <setjmp.h>
   #include <stdlib.h>
 /* -lnsl -lsocket /usr/ucblib/libucb.a */  /* -lnsl -lsocket /usr/ucblib/libucb.a */
 #include "ox_kan.h"  #include "ox_kan.h"
 #include "serversm.h"  #include "serversm.h"
   
 #define SERVERNAME "ox_sm1"  #define SERVERNAME "ox_sm1"
   
   extern char **environ;
 int OxCritical = 0;  int OxCritical = 0;
 int OxInterruptFlag = 0;  int OxInterruptFlag = 0;
   int OxTerminateMode = 0;
   
 int SerialCurrentControl;  int SerialCurrentControl;
   
Line 33  int Do_not_use_control_stream_to_tell_no_server = 1;
Line 36  int Do_not_use_control_stream_to_tell_no_server = 1;
 static void errorToStartEngine(void);  static void errorToStartEngine(void);
 static int findOxServer(char *server);  static int findOxServer(char *server);
 static void couldNotFind(char *s);  static void couldNotFind(char *s);
 #if defined(__CYGWIN__)  
 int errno;  
 #endif  
 /*  gcc -v -c hoge.c */  /*  gcc -v -c hoge.c */
   static void mywait();
   
   void *sGC_malloc(int n) {
     return (void *)malloc(n);
   }
   
 main(int argc, char *argv[]) {  main(int argc, char *argv[]) {
   int fd;    int fd;
   int size;    int size;
Line 50  main(int argc, char *argv[]) {
Line 55  main(int argc, char *argv[]) {
   int reverse = 0;    int reverse = 0;
   extern int OpenedSocket;    extern int OpenedSocket;
   char portfile[1024];    char portfile[1024];
   char *pass;    char *pass = NULL;
     char *passControl = NULL;
     char *passData = NULL;
   int result;    int result;
   int sleepingTime = 0;    int sleepingTime = 0;
     extern int OxTerminateMode;
   
     signal(SIGHUP,SIG_IGN);  /* ignore x of xterm */
   strcpy(sname,"localhost");    strcpy(sname,"localhost");
   strcpy(ServerName,SERVERNAME);    strcpy(ServerName,SERVERNAME);
   i = 1;    i = 1;
   if (argc == 1) {    if (argc == 1) {
     oxmainUsage();      oxmainUsage();
     exit();      exit(10);
   }    }
   while (i<argc) {    while (i<argc) {
     if (strcmp(argv[i],"-host") == 0) {      if (strcmp(argv[i],"-host") == 0) {
Line 80  main(int argc, char *argv[]) {
Line 89  main(int argc, char *argv[]) {
       LocalMode = 0;        LocalMode = 0;
     }else if (strcmp(argv[i],"-reverse") == 0) {      }else if (strcmp(argv[i],"-reverse") == 0) {
       reverse = 1;        reverse = 1;
       }else if (strcmp(argv[i],"-finish") == 0) {
         OxTerminateMode = 1;
     }else if (strcmp(argv[i],"-portfile") == 0) {      }else if (strcmp(argv[i],"-portfile") == 0) {
       i++;        i++;
       if (i<argc) {        if (i<argc) {
Line 93  main(int argc, char *argv[]) {
Line 104  main(int argc, char *argv[]) {
       if (i<argc) {        if (i<argc) {
         pass = argv[i];          pass = argv[i];
       }        }
       }else if (strcmp(argv[i],"-passData") == 0) {
         i++;
         if (i<argc) {
           passData = argv[i];
         }
       }else if (strcmp(argv[i],"-passControl") == 0) {
         i++;
         if (i<argc) {
           passControl = argv[i];
         }
     }else if (strcmp(argv[i],"-wait") == 0) {      }else if (strcmp(argv[i],"-wait") == 0) {
       i++;        i++;
       if (i<argc) {        if (i<argc) {
Line 119  main(int argc, char *argv[]) {
Line 140  main(int argc, char *argv[]) {
     fprintf(stderr,"\nTrying to connect\n");      fprintf(stderr,"\nTrying to connect\n");
   }    }
   
     if ((pass != NULL) && (passData == NULL)) {
           passData = pass;
     }
     if ((pass != NULL) && (passControl == NULL)) {
       passControl = pass;
     }
   
     /* Decrypt passControl and passData, here. Lookup cryptmethod. */
   
   if (reverse) {    if (reverse) {
     /* The order is very important. */      /* The order is very important. */
     fdControl = socketConnectWithPass(sname,portControl,pass);      fdControl = socketConnectWithPass(sname,portControl,passControl);
     fdStream = socketConnectWithPass(sname,portStream,pass);      fdStream = socketConnectWithPass(sname,portStream,passData);
   
     fprintf(stderr,"Connected: control = %d, data = %d.\n",fdControl,fdStream);      fprintf(stderr,"Connected: control = %d, data = %d.\n",fdControl,fdStream);
     result = 0;      result = 0;
   
   
       if ((fdControl < 0) ||  (fdStream < 0)) {
         fprintf(stderr,"Waiting for 10 seconds to show an error.\n");
         sleep(10);
       }
   
     if (portControl != -1) {      if (portControl != -1) {
       MyServerPid = fork();        MyServerPid = fork();
       if (MyServerPid > 0 ) parentServerMain(fdControl,fdStream);        if (MyServerPid > 0 ) parentServerMain(fdControl,fdStream);
Line 188  main(int argc, char *argv[]) {
Line 223  main(int argc, char *argv[]) {
     }      }
   }    }
   
     if (passControl != NULL) {
           char *s; int mm;
           fprintf(stderr,"passControl\n");
           mm = strlen(passControl);
           s = (char *) malloc(mm+1);
       if (s == NULL) {fprintf(stderr,"No more memory.\n"); exit(1); }
           if (read(fdControl,s,mm+1) < 0) {
             fprintf(stderr,"Read error to read passControl\n"); sleep(5); exit(1);
           }
       s[mm] = 0;
           if (strcmp(s,passControl) != 0) {
             fprintf(stderr,"s=%s and passControl=%s  do not match.\n",s,passControl); sleep(5); exit(1);
           }
           free(s);
     }
     if (passData != NULL) {
           char *s; int mm;
           mm = strlen(passData);
           fprintf(stderr,"passData\n");
           s = (char *) malloc(mm+1);
       if (s == NULL) {fprintf(stderr,"No more memory.\n"); exit(1); }
           if (read(fdStream,s,mm+1) < 0) {
             fprintf(stderr,"Read error to read passData\n");
             errorToStartEngine();
           }
           if (strcmp(s,passData) != 0) {
             fprintf(stderr,"s=%s and passData=%s  do not match.\n",s,passData);
             errorToStartEngine();
           }
       free(s);
     }
   
     if ((fdControl < 0) ||  (fdStream < 0)) {
       fprintf(stderr,"Waiting for 10 seconds to show an error.\n");
       sleep(10);
     }
   
   
   result = 0;    result = 0;
   if (portControl != -1) {    if (portControl != -1) {
     MyServerPid = fork();      MyServerPid = fork();
Line 209  static void errorToStartEngine(void) {
Line 281  static void errorToStartEngine(void) {
      If you implement this, set Do_not_use_control_stream_to_tell_no_server to       If you implement this, set Do_not_use_control_stream_to_tell_no_server to
      zero.       zero.
   */    */
   sleep(2);    sleep(10);
   exit(-1);    exit(-1);
 }  }
   
 oxmainUsage() {  oxmainUsage() {
   fprintf(stderr,"Usage: \n");    fprintf(stderr,"Usage: \n");
   fprintf(stderr,"  ox [-ox serverprogram -host name -data portnum -control portnum -monitor]\n");    fprintf(stderr,"  ox [-ox serverprogram -host name -data portnum -control portnum -monitor]\n");
   fprintf(stderr," [-insecure -portfile fname -reverse -pass xxxyyyzzz]");    fprintf(stderr," [-insecure -portfile fname -reverse -passControl xxxyyyzzz -passData pppqqqrrr]");
     fprintf(stderr," [-finish]");
   fprintf(stderr,"\n");    fprintf(stderr,"\n");
   fprintf(stderr,"-reverse: ox server connects to the client.\n");    fprintf(stderr,"-reverse: ox server connects to the client.\n");
   fprintf(stderr,"          The client must give a one time password to ox server to connect to the client with -pass option.\n");    fprintf(stderr,"          The client must give a one time password to ox server to connect to the client with -pass* option.\n");
   fprintf(stderr,"          The one time password can be seen by ps command, so you must not use this one time password system on an untrustful host.\n");    fprintf(stderr,"          The one time password can be seen by ps command, so you must not use this one time password system on an untrustful host.\n");
   fprintf(stderr,"          The one time password should be sent by a safe communication line like ssh and the ox server should be started by ssh. Do not use rsh\n");    fprintf(stderr,"          The one time password should be sent by a safe communication line like ssh and the ox server should be started by ssh. Do not use rsh\n");
     fprintf(stderr,"          (The option -pass is obsolete.)\n");
   fprintf(stderr,"          If -reverse is not given, the client connect to the ox server\n");    fprintf(stderr,"          If -reverse is not given, the client connect to the ox server\n");
   fprintf(stderr,"          See OpenXM/src/SSkan/Doc/ox.sm1, /sm1connectr\n");    fprintf(stderr,"          See OpenXM/src/SSkan/Doc/ox.sm1, /sm1connectr\n");
   fprintf(stderr,"-insecure : \n");    fprintf(stderr,"-insecure : \n");
Line 250  parentServerMain(int fdControl, int fdStream) {
Line 324  parentServerMain(int fdControl, int fdStream) {
   int r;    int r;
   int message = 1;    int message = 1;
   int controlByteOrder;    int controlByteOrder;
     extern OxTerminateMode;
   extern void myServerExit();    extern void myServerExit();
   
   controlByteOrder = oxTellMyByteOrder(fdControl);    signal(SIGCHLD,mywait);
     if (OxTerminateMode) {
           /*
             OxTerminateMode cannot be used if you run ox by xterm -exec ox ...
            */
           if (fork()) {
             close(fdControl); close(fdStream);
             /* Parent */
             exit(0);  /*Tell the caller that launching is successfully finished.*/
           }
     }
   
     controlByteOrder = oxTellMyByteOrder(fdControl,fdControl);
   /* Set the network byte order. */    /* Set the network byte order. */
   fprintf(stderr,"controlByteOrder=%x\n",controlByteOrder);    fprintf(stderr,"controlByteOrder=%x\n",controlByteOrder);
   
Line 292  parentServerMain(int fdControl, int fdStream) {
Line 378  parentServerMain(int fdControl, int fdStream) {
 void myServerExit() {  void myServerExit() {
   printf("Sending the kill signal to the child.\n");    printf("Sending the kill signal to the child.\n");
   kill(MyServerPid,SIGKILL);    kill(MyServerPid,SIGKILL);
   exit();    exit(0);
 }  }
   
 childServerMain(int fdControl, int fdStream) {  childServerMain(int fdControl, int fdStream) {
Line 310  childServerMain(int fdControl, int fdStream) {
Line 396  childServerMain(int fdControl, int fdStream) {
     }      }
   }    }
   fprintf(stderr,"childServerMain: Starting the server %s\n",ServerName); fflush(NULL);    fprintf(stderr,"childServerMain: Starting the server %s\n",ServerName); fflush(NULL);
   
     /*
     {
           int i;
           i=0;
           while (environ[i] != NULL) {
             fprintf(stderr,"%s ",environ[i++]);
           }
           fprintf(stderr,"\n");
     }
     */
     /* bug: xterm of potato does not seem to pass the LD_LIBRARY_PATH.
         So, the new gc does not work.
        it is an workaround for OpenXM */
     if (getenv("LD_LIBRARY_PATH") == (char *)NULL) {
           char *s,*o;
       fprintf(stderr,"Hmm... LD_LIBRARY_PATH does not seem to be set.\n");
       o = getenv("OpenXM_HOME");
           if (o == NULL) {
             fprintf(stderr,"Giving up to set the LD_LIBRARY_PATH variable.\n");
           }else{
             s = (char *)malloc(strlen(o)+64);
             sprintf(s,"LD_LIBRARY_PATH=%s/lib",o);
             putenv(s);
           }
     }
   
   if (PacketMonitor) {    if (PacketMonitor) {
     if (execl(ServerName,ServerName,"-monitor",NULL)) {      if (execle(ServerName,ServerName,"-monitor",NULL,environ)) {
       fprintf(stderr,"%s cannot be executed with -monitor.\n",ServerName);        fprintf(stderr,"%s cannot be executed with -monitor.\n",ServerName);
       fflush(NULL);        fflush(NULL);
       return(-1);        return(-1);
     }      }
   }else {    }else {
     if (execl(ServerName,ServerName,NULL)) {      if (execle(ServerName,ServerName,NULL,environ)) {
       fprintf(stderr,"%s cannot be executed.\n",ServerName);        fprintf(stderr,"%s cannot be executed.\n",ServerName);
       fflush(NULL);        fflush(NULL);
       return(-1);        return(-1);
Line 334  restoreLockCtrlCForOx() { ; }
Line 447  restoreLockCtrlCForOx() { ; }
 static int findOxServer(char *server) {  static int findOxServer(char *server) {
   char *p;    char *p;
   char *p2;    char *p2;
   char *getenv(char *s);  
   if (strlen(server) == 0) return(-1);    if (strlen(server) == 0) return(-1);
   /* fd = open(server,O_RDONLY); */    /* fd = open(server,O_RDONLY); */
   if (access(server,X_OK&R_OK) == 0) {    if (access(server,X_OK&R_OK) == 0) {
Line 372  static void couldNotFind(char *s) {
Line 484  static void couldNotFind(char *s) {
 }  }
   
   
   static void mywait() {
     int status;
     int pid;
     int i,j;
     /* signal(SIGCHLD,SIG_IGN); */
     pid = wait(&status);
     fprintf(stderr,"Control: child process %d is exiting.\n",pid);
     fprintf(stderr,"Control: Shutting down the control server.\n");
     sleep(2);
     exit(0);
   }
   
   

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