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147 lines
3.1 KiB
147 lines
3.1 KiB
/*++
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Copyright (c) 1991 Microsoft Corporation
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Module Name:
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getuname.c
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Abstract:
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Provides a function to prompt the user for a username similar to getpass
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for passwords.
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Author:
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Mike Massa (mikemas) Sept 20, 1991
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Revision History:
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Who When What
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-------- -------- ----------------------------------------------
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mikemas 03-25-92 created by cloning getpass.c
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Notes:
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Exports:
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getuname
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--*/
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// add 1 line below
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#define NOMINMAX
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#include <windows.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "libuemul.h"
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#define MAXUSERNAMELEN 32
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#define STDERR 2
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#define STDOUT 1
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unsigned DisplayNlsMsg(unsigned, unsigned, ... );
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static char ubuf[MAXUSERNAMELEN+1];
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/******************************************************************/
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char *
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getusername(
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char *prompt
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)
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/******************************************************************/
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{
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HANDLE InHandle, OutHandle;
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BOOL Result;
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DWORD NumBytes;
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int i;
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ubuf[0] = '\0';
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InHandle = CreateFile("CONIN$",
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GENERIC_READ | GENERIC_WRITE,
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FILE_SHARE_READ | FILE_SHARE_WRITE,
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NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL,
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NULL
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);
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if (InHandle == (HANDLE) -1)
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{
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//fprintf(stderr, "\nerror getting console input handle, code %d\n",
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// GetLastError()
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// );
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DisplayNlsMsg(STDERR,LIBUEMUL_ERROR_GETTING_CI_HANDLE,GetLastError());
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CloseHandle(InHandle);
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return(ubuf);
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}
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OutHandle = CreateFile("CONOUT$",
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GENERIC_WRITE,
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FILE_SHARE_READ | FILE_SHARE_WRITE,
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NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL,
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NULL
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);
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if (OutHandle == (HANDLE) -1)
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{
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//fprintf(stderr, "\nerror getting console output handle, code %d\n",
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// GetLastError()
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// );
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DisplayNlsMsg(STDERR,LIBUEMUL_ERROR_GETTING_CO_HANDLE,GetLastError());
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CloseHandle(InHandle);
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CloseHandle(OutHandle);
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return(ubuf);
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}
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Result =
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WriteFile(
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OutHandle,
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prompt,
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strlen(prompt),
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&NumBytes,
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NULL);
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if (!Result)
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{
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//fprintf(stderr, "Write to ConsoleOut error == %ld\n", GetLastError());
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DisplayNlsMsg(STDERR,LIBUEMUL_WRITE_TO_CONSOLEOUT_ERROR, GetLastError());
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CloseHandle(InHandle);
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CloseHandle(OutHandle);
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return(ubuf);
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}
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Result =
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ReadFile(
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InHandle,
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ubuf,
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MAXUSERNAMELEN,
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&NumBytes,
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NULL);
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if (!Result)
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{
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//fprintf(stderr, "Read from ConsoleIn error == %ld\n", GetLastError());
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DisplayNlsMsg(STDERR,LIBUEMUL_READ_FROM_CONSOLEIN_ERROR, GetLastError());
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}
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// peel off linefeed
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i = (int) NumBytes;
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while(--i >= 0) {
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if ((ubuf[i] == '\n') || (ubuf[i] == '\r')) {
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ubuf[i] = '\0';
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}
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}
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CloseHandle(InHandle);
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CloseHandle(OutHandle);
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return(ubuf);
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}
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