Category : Files from Magazines
Archive : VOL11N02.ZIP
Filename : SETUP.C
Output of file : SETUP.C contained in archive : VOL11N02.ZIP
SETUP.C program to read the current configuration of PCREMOT2 and allow
the user to modify the configuration.
Compiled with Microsoft C version 5.1 and 6.0
***************************************************************************/
#include
#include
#include
#include
#include
#include
#include
#include
#include
#define TRUE 1
#define FALSE 0
struct config {
char cManned_flag; /* 0-unattended, 1-manned mode */
char cComm_flag; /* 0-comm1, 1-comm2, 2-comm3, 3-comm4 */
int iComm_port3; /* port address for comm port 3 */
int iComm_port4; /* port address for comm port 4 */
char cComm3_int; /* interrupt number for comm port 3 */
char cComm4_int; /* interrupt number for comm port 4 */
char cSpeed_flag; /* 0-1200, 1-2400, 2-4800, 3-9600 */
char cDesnow_flag; /* 0-NO desnow, 1-desnow */
char cNull_modem; /* 0-modem, 1-null modem cable */
char cSmile_flag; /* 0-NO smile, 1-smile, you're on candid camera */
char cZero1;
unsigned char cClear_code; /* alt key combination to clear the screen */
char cZero2;
unsigned char cExit_code; /* alt key combination to exit pcremote */
char cZero3;
unsigned char cShell_code; /* alt key combination to shell to DOS */
char cZero4;
unsigned char cTransfer_code;/* alt key combination to start a file transfer */
int iPassword_size; /* length of the password */
char crgPassword[20]; /* secret password */
char szModem_setup5[30]; /* custom modem setup string */
char szDial[4]; /* dial string */
} stOldConfig, stNewConfig;
unsigned char Ascii_code[] = "QWERTYUIOPASDFGHJKLZXCVBNMQ ";
unsigned char Scan_code[] = { 16,17,18,19,20,21,22,23,24,25,30,
31,32,33,34,35,36,37,38,44,45,46,47,
48,49,50,16 };
char szMannedPrompt[] = "1 - Host/Remote mode. ";
char szCommPrompt[] = "2 - Communications port. ";
char szSpeedPrompt[] = "3 - Communications speed. ";
char szDesnowPrompt[] = "4 - Enable/disable desnow. ";
char szNullPrompt[] = "5 - Modem/Null modem. ";
char szSmilePrompt[] = "6 - Enable/disable smile. ";
char szClearPrompt[] = "7 - Redisplay screen key. ";
char szExitPrompt[] = "8 - Exit PCREMOT2 key. ";
char szShellPrompt[] = "9 - Shell to DOS key. ";
char szTransferPrompt[] = "10 - File transfer key. ";
char szPasswordPrompt[] = "11 - Password. ";
char szSetupPrompt[] = "12 - Modem setup string. ";
char szDialPrompt[] = "13 - Tone/Pulse dial. ";
char szSaveExit[] = "14 - Save new configuration. ";
char szNosaveExit[] = "15 - Exit, do not save. ";
char szPcremoteFile[] = "pcremot2.com"; /* name of the pcremote file */
char szZcopyFile[] = "zcopy.com"; /* name of the zcopy file */
#define PCREMOTEOFFSET 3 /* offset from start of file to config offset */
#define ZCOPYOFFSET 6 /* offset from start of file to config offset */
int iPcremoteOffset; /* offset from start of file to config */
int iZcopyOffset; /* offset from start of file to config */
char szSelection[40]; /* buffer to get the user selection */
int iSelection; /* user selections converted to int */
/* function declarations */
int ReadPcremoteConfig(void);
int WritePcremoteConfig(void);
int WriteZcopyConfig(void);
int Old2New(void);
int DisplayConfig(void);
int GetAltKey(char *);
int GetNewCommPort(void);
int GetNewBaudRate(void);
int GetNewPassword(void);
int GetNewModemSetup(void);
main()
{
/* open the pcremote.com file and read the offset to the configuration */
if(ReadPcremoteConfig()) return(1);
Old2New();
while(TRUE)
{
DisplayConfig();
gets(szSelection); /* get response from the user */
iSelection=atoi(szSelection); /* convert to a number */
switch(iSelection)
{
case 1:
stNewConfig.cManned_flag = stNewConfig.cManned_flag ? (char)0 : (char)1 ;
break;
case 2:
GetNewCommPort();
break;
case 3:
GetNewBaudRate();
break;
case 4:
stNewConfig.cDesnow_flag = stNewConfig.cDesnow_flag ? (char)0 : (char)1 ;
break;
case 5:
stNewConfig.cNull_modem = stNewConfig.cNull_modem ? (char)0 : (char)1 ;
break;
case 6:
stNewConfig.cSmile_flag = stNewConfig.cSmile_flag ? (char)0 : (char)1 ;
break;
case 7:
GetAltKey(&stNewConfig.cClear_code);
break;
case 8:
GetAltKey(&stNewConfig.cExit_code);
break;
case 9:
GetAltKey(&stNewConfig.cShell_code);
break;
case 10:
GetAltKey(&stNewConfig.cTransfer_code);
break;
case 11:
GetNewPassword();
break;
case 12:
GetNewModemSetup();
break;
case 13:
if(stNewConfig.szDial[3] == 'T')
stNewConfig.szDial[3] = 'D';
else
stNewConfig.szDial[3] = 'T';
break;
case 14:
WritePcremoteConfig();
return(0);
case 15:
return(0);
}
}
}
int ReadPcremoteConfig()
{
int hFile; /* handle to the open pcremote.com file */
if((hFile=open(szPcremoteFile, O_RDONLY|O_BINARY))==-1) /* open the pcremote.com file */
{
printf("\nUnable to open PCREMOT2.COM\n");
return(1);
}
if(lseek(hFile,(long) PCREMOTEOFFSET, SEEK_SET)==-1) /* locate the config offset */
{
printf("\nUnable to read PCREMOT2 configuration.\n");
close(hFile);
return(1);
}
if(read(hFile,(char *) &iPcremoteOffset, 2)!=2) /* read the config offset */
{
printf("\nUnable to read PCREMOT2 configuration.\n");
close(hFile);
return(1);
}
iPcremoteOffset+=PCREMOTEOFFSET; /* adjust for the start of the file */
if(lseek(hFile,(long) iPcremoteOffset, SEEK_SET)==-1) /* locate the config */
{
printf("\nUnable to read PCREMOT2 configuration.\n");
close(hFile);
return(1);
}
/* read the old configuration */
if(read(hFile,(char *) &stOldConfig, sizeof(struct config))!=sizeof(struct config))
{
printf("\nUnable to read PCREMOT2 configuration.\n");
close(hFile);
return(1);
}
close(hFile); /* read the configuration so close the file */
return(0);
}
int WritePcremoteConfig()
{
int hFile; /* handle to the open pcremote.com file */
if((hFile=open(szPcremoteFile, O_WRONLY|O_BINARY))==-1) /* open the pcremote.com file */
{
printf("\nUnable to open PCREMOT2.COM.\n");
return(1);
}
if(lseek(hFile,(long) iPcremoteOffset, SEEK_SET)==-1) /* locate the config */
{
printf("\nUnable to open PCREMOT2.COM.\n");
close(hFile);
return(1);
}
/* write the new configuration */
if(write(hFile,(char *) &stNewConfig, sizeof(struct config))!=sizeof(struct config))
{
printf("\nUnable to write PCREMOT2 configuration.\n");
close(hFile);
return(1);
}
close(hFile); /* wrote the configuration so close the file */
/* if comm port 3 or 4 is selected then copy the port configuration
to zcopy.com */
if(stNewConfig.cComm_flag==2 || stNewConfig.cComm_flag==3)
WriteZcopyConfig();
return(0);
}
int WriteZcopyConfig()
{
int hFile; /* handle to the open zcopy.com file */
if((hFile=open(szZcopyFile, O_RDWR|O_BINARY))==-1) /* open the zcopy.com file */
{
printf("\nUnable to open ZCOPY.COM\n");
return(1);
}
if(lseek(hFile,(long) ZCOPYOFFSET, SEEK_SET)==-1) /* locate the config offset */
{
printf("\nUnable to read ZCOPY configuration.\n");
close(hFile);
return(1);
}
if(read(hFile,(char *) &iZcopyOffset, 2)!=2) /* read the config offset */
{
printf("\nUnable to read ZCOPY configuration.\n");
close(hFile);
return(1);
}
iZcopyOffset+=(ZCOPYOFFSET+6); /* adjust for the start of the file */
if(lseek(hFile,(long) iZcopyOffset, SEEK_SET)==-1) /* locate the config */
{
printf("\nUnable to read ZCOPY configuration.\n");
close(hFile);
return(1);
}
/* write the new configuration */
if(write(hFile,(char *) &stNewConfig.iComm_port3, 2)!=2)
{
printf("\nUnable to write ZCOPY configuration.\n");
close(hFile);
return(1);
}
if(write(hFile,(char *) &stNewConfig.cComm3_int, 1)!=1)
{
printf("\nUnable to write ZCOPY configuration.\n");
close(hFile);
return(1);
}
if(write(hFile,(char *) &stNewConfig.iComm_port4, 2)!=2)
{
printf("\nUnable to write ZCOPY configuration.\n");
close(hFile);
return(1);
}
if(write(hFile,(char *) &stNewConfig.cComm4_int, 1)!=1)
{
printf("\nUnable to write ZCOPY configuration.\n");
close(hFile);
return(1);
}
close(hFile); /* read the configuration so close the file */
return(0);
}
int Old2New()
/* copy the current configuration to the new configuration parameters */
{
stNewConfig.cManned_flag = stOldConfig.cManned_flag ;
stNewConfig.cComm_flag = stOldConfig.cComm_flag ;
stNewConfig.iComm_port3 = stOldConfig.iComm_port3 ;
stNewConfig.iComm_port4 = stOldConfig.iComm_port4 ;
stNewConfig.cComm3_int = stOldConfig.cComm3_int ;
stNewConfig.cComm4_int = stOldConfig.cComm4_int ;
stNewConfig.cSpeed_flag = stOldConfig.cSpeed_flag ;
stNewConfig.cDesnow_flag = stOldConfig.cDesnow_flag ;
stNewConfig.cNull_modem = stOldConfig.cNull_modem ;
stNewConfig.cSmile_flag = stOldConfig.cSmile_flag ;
stNewConfig.cClear_code = stOldConfig.cClear_code ;
stNewConfig.cExit_code = stOldConfig.cExit_code ;
stNewConfig.cShell_code = stOldConfig.cShell_code ;
stNewConfig.cTransfer_code = stOldConfig.cTransfer_code ;
stNewConfig.iPassword_size = stOldConfig.iPassword_size ;
stNewConfig.cZero1=stOldConfig.cZero1;
stNewConfig.cZero2=stOldConfig.cZero2;
stNewConfig.cZero3=stOldConfig.cZero3;
stNewConfig.cZero4=stOldConfig.cZero4;
strncpy(stNewConfig.crgPassword, stOldConfig.crgPassword, sizeof(stOldConfig.crgPassword));
strncpy(stNewConfig.szModem_setup5, stOldConfig.szModem_setup5, sizeof(stOldConfig.szModem_setup5));
strncpy(stNewConfig.szDial, stOldConfig.szDial, sizeof(stOldConfig.szDial));
return(0);
}
int DisplayConfig()
/* display the new configuration parameters */
{
int iLoop;
char *psTemp;
char szBuffer[80]; /* temporary buffer to assemble a line */
printf("\n\n\n\n\n\n\n"); /* blank the screen the easy way */
printf("PCREMOT2 configuration program.\nModifies the default configuration.\n\n");
/* display the manned flag */
strcat(strcpy(szBuffer, szMannedPrompt), stNewConfig.cManned_flag ? "manned" : "host");
printf("%s\n", szBuffer);
/* display the current communications port */
strcpy(szBuffer, szCommPrompt);
sprintf(strchr(szBuffer,0), "%d", stNewConfig.cComm_flag+1);
printf("%s\n", szBuffer);
/* display the current speed flag */
strcpy(szBuffer, szSpeedPrompt);
switch(stNewConfig.cSpeed_flag)
{
case 0:
strcat(szBuffer, "1200 baud");
break;
case 1:
strcat(szBuffer, "2400 baud");
break;
case 2:
strcat(szBuffer, "4800 baud");
break;
case 3:
strcat(szBuffer, "9600 baud");
break;
case 4:
strcat(szBuffer, "19200 baud");
break;
case 5:
strcat(szBuffer, "38400 baud");
break;
}
printf("%s\n", szBuffer);
/* display the current desnow flag */
strcat(strcpy(szBuffer, szDesnowPrompt), stNewConfig.cDesnow_flag ? "enabled" : "disabled");
printf("%s\n", szBuffer);
/* display the current null modem flag */
strcat(strcpy(szBuffer, szNullPrompt), stNewConfig.cNull_modem ? "null modem" : "modem");
printf("%s\n", szBuffer);
/* display the current smile flag */
strcat(strcpy(szBuffer, szSmilePrompt), stNewConfig.cSmile_flag ? "enabled" : "disabled");
printf("%s\n", szBuffer);
/* display the clear alt key code */
for(iLoop=0;iLoop
*(strchr(szBuffer,0)+1)=0;
*strchr(szBuffer,0)=Ascii_code[iLoop];
printf("%s\n", szBuffer);
/* display the exit pcremote alt key */
for(iLoop=0;iLoop
*(strchr(szBuffer,0)+1)=0;
*strchr(szBuffer,0)=Ascii_code[iLoop];
printf("%s\n", szBuffer);
/* display the shell to DOS alt key */
for(iLoop=0;iLoop
*(strchr(szBuffer,0)+1)=0;
*strchr(szBuffer,0)=Ascii_code[iLoop];
printf("%s\n", szBuffer);
/* display the file transfer alt key */
for(iLoop=0;iLoop
*(strchr(szBuffer,0)+1)=0;
*strchr(szBuffer,0)=Ascii_code[iLoop];
printf("%s\n", szBuffer);
/* display the password, can't really display it though */
strcpy(szBuffer, szPasswordPrompt);
psTemp=strchr(szBuffer,0); /* find the end of the string */
for(iLoop=0;iLoop
*psTemp=0; /* terminate the string */
printf("%s\n", szBuffer);
/* display the custom modem setup5 sting */
strcat(strcpy(szBuffer, szSetupPrompt), stNewConfig.szModem_setup5);
printf("%s\n", szBuffer);
/* display the tone or dial pulse prompt */
if(stNewConfig.szDial[3]=='T')
strcat(strcpy(szBuffer, szDialPrompt), "Tone");
else
strcat(strcpy(szBuffer, szDialPrompt), "Pulse");
printf("%s\n", szBuffer);
/* display the operator prompts */
strcat(strcpy(szBuffer,"\n"), szSaveExit);
printf("%s\n", szBuffer);
strcat(strcpy(szBuffer,""), szNosaveExit);
printf("%s\n", szBuffer);
printf("\nSelection: ");
return(0);
}
int GetAltKey(cpNewKey)
char *cpNewKey; /* place to store new alt key value */
{
char cTemp; /* temporary character key */
unsigned iTemp;
int iLoop;
while(TRUE)
{
printf("\n\nEnter the new alt-key combination: ");
iTemp = _bios_keybrd(_KEYBRD_READ);
if((iTemp&0xff)==0)
{
cTemp=(char) (iTemp>>8)&0xff;
/* make sure the key is a valid key in the scan code array */
for(iLoop=0;iLoop
{
*cpNewKey=cTemp;
return(0);
}
else printf("\nYou must use alpha keys only.");
}
if(cTemp==13) return(0); /* check for carriage return key */
printf("\nYou must hold down the ALT key when you\nmake your selection.");
}
return(0);
}
int GetNewCommPort()
{
char cTemp; /* temporary comm port number */
while(TRUE)
{
printf("\nEnter the new port number: ");
gets(szSelection);
if(strlen(szSelection)==9) return(0); /* changed his mind */
cTemp=(char) atoi(szSelection);
if(cTemp>=1 && cTemp<=4) /* make sure it's within range */
{
stNewConfig.cComm_flag=cTemp-1;
if(cTemp==3) /* check for comm 3 */
{
printf("\nCurrent Port address is %4X hex.", stNewConfig.iComm_port3);
printf("\nEnter new port address or press Enter for no change: ");
gets(szSelection);
if(strlen(szSelection)) sscanf(szSelection, "%X", &stNewConfig.iComm_port3);
printf("\nCurrent interrupt is %d.", stNewConfig.cComm3_int);
printf("\nEnter the new interrupt or press Enter for no change: ");
gets(szSelection);
if(strlen(szSelection)) stNewConfig.cComm3_int=(char) atoi(szSelection);
}
if(cTemp==4) /* check for comm 4 */
{
printf("\nCurrent Port address is %4X hex.", stNewConfig.iComm_port4);
printf("\nEnter new port address or press Enter for no change: ");
gets(szSelection);
if(strlen(szSelection)) sscanf(szSelection, "%X", &stNewConfig.iComm_port4);
printf("\nCurrent interrupt is %d.", stNewConfig.cComm4_int);
printf("\nEnter the new interrupt or press Enter for no change: ");
gets(szSelection);
if(strlen(szSelection)) stNewConfig.cComm4_int=(char) atoi(szSelection);
}
return(0);
}
printf("\nPort number must be 1, 2, 3, or 4.");
}
return(0);
}
int GetNewBaudRate()
{
char cTemp; /* temporary baud rate number */
while(TRUE)
{
printf("\n1 for 1200 baud\n2 for 2400 baud\n3 for 4800 baud\n4 for 9600 baud");
printf("\n5 for 19200 baud\n6 for 38400 baud");
printf("\n\nEnter the new baud rate number: ");
gets(szSelection);
if(strlen(szSelection)==0) return(0); /* changed his mind */
cTemp=(char) atoi(szSelection);
if(cTemp>=1 && cTemp<=6) /* make sure it's within range */
{
stNewConfig.cSpeed_flag=cTemp-1;
return(0);
}
printf("\nBaud selection must be 1, 2, 3, 4, 5, or 6.");
}
return(0);
}
int GetNewPassword()
{
printf("\nEnter new password, maximum 20 characters: ");
gets(szSelection);
strupr(szSelection); /* the password must be uppercase */
if(strlen(szSelection)==0) return(0); /* changed his mind */
stNewConfig.iPassword_size=strlen(szSelection);
strncpy(stNewConfig.crgPassword, szSelection, sizeof(stNewConfig.crgPassword));
return(0);
}
int GetNewModemSetup()
{
printf("\nEnter modem setup string, maximum 30 characters: ");
gets(szSelection);
if(strlen(szSelection)==0) return(0); /* changed his mind */
if(strlen(szSelection)<29)
strcat(strcpy(stNewConfig.szModem_setup5, szSelection), "\r");
return(0);
}
/* end of file SETUP.C */
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