677 lines
18 KiB
C
677 lines
18 KiB
C
#include "brian.h"
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typedef struct _ASYNC_SET_VOLUME {
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USHORT FileIndex;
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FILE_INFORMATION_CLASS FileInfoClass;
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ULONG BufferLength;
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PULONG BufferLengthPtr;
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ULONG LabelLength;
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PULONG LabelLengthPtr;
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USHORT LabelIndex;
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BOOLEAN LabelBufferAllocated;
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BOOLEAN DisplayParms;
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BOOLEAN VerboseResults;
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USHORT AsyncIndex;
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} ASYNC_SET_VOLUME, *PASYNC_SET_VOLUME;
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#define SET_VOLUME_LENGTH_DEFAULT 100
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#define FILE_INFO_CLASS_DEFAULT FileFsLabelInformation
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#define DISPLAY_PARMS_DEFAULT FALSE
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#define VERBOSE_DEFAULT FALSE
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VOID
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FullSetVolume(
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IN OUT PASYNC_SET_VOLUME AsyncSetVolume
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);
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VOID
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SetFsLabelInformation(
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IN OUT PASYNC_SET_VOLUME AsyncSetVolume
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);
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VOID
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InputSetVolume (
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IN PCHAR ParamBuffer
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)
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{
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USHORT FileIndex;
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FILE_INFORMATION_CLASS FileInfoClass;
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ULONG BufferLength;
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PULONG BufferLengthPtr;
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ANSI_STRING AnsiLabelString;
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ULONG LabelLength;
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PULONG LabelLengthPtr;
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USHORT LabelIndex;
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BOOLEAN LabelBufferAllocated;
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PUCHAR LabelPtr;
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BOOLEAN DisplayParms;
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BOOLEAN VerboseResults;
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USHORT AsyncIndex;
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BOOLEAN ParamReceived;
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BOOLEAN LastInput;
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//
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// Set the defaults.
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//
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FileInfoClass = FILE_INFO_CLASS_DEFAULT;
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BufferLengthPtr = NULL;
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LabelLengthPtr = NULL;
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LabelBufferAllocated = FALSE;
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LabelPtr = NULL;
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DisplayParms = DISPLAY_PARMS_DEFAULT;
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VerboseResults = VERBOSE_DEFAULT;
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ParamReceived = FALSE;
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LastInput = TRUE;
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//
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// While there is more input, analyze the parameter and update the
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// query flags.
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//
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while (TRUE) {
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ULONG DummyCount;
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//
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// Swallow leading white spaces.
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//
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ParamBuffer = SwallowWhite( ParamBuffer, &DummyCount );
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if (*ParamBuffer) {
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//
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// If the next parameter is legal then check the paramter value.
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// Update the parameter value.
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//
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if ((*ParamBuffer == '-'
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|| *ParamBuffer == '/')
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&& (ParamBuffer++, *ParamBuffer != '\0')) {
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BOOLEAN SwitchBool;
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//
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// Switch on the next character.
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//
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switch (*ParamBuffer) {
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//
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// Update the byte count.
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//
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case 'l' :
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case 'L' :
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//
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// Move to the next character, as long as there
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// are no white spaces continue analyzing letters.
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// On the first bad letter, skip to the next
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// parameter.
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//
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ParamBuffer++;
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if (*ParamBuffer == '\0') {
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break;
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}
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switch (*ParamBuffer) {
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case 'b':
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case 'B':
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BufferLength = AsciiToInteger( ++ParamBuffer );
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BufferLengthPtr = &BufferLength;
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break;
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case 'l':
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case 'L':
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LabelLength = AsciiToInteger( ++ParamBuffer );
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LabelLengthPtr = &LabelLength;
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break;
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}
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ParamBuffer = SwallowNonWhite( ParamBuffer, &DummyCount );
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break;
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//
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// Update the label name.
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//
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case 'f' :
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case 'F' :
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//
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// Move to the next character, as long as there
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// are no white spaces continue analyzing letters.
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// On the first bad letter, skip to the next
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// parameter.
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//
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ParamBuffer++;
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if (*ParamBuffer == '\0') {
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break;
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}
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switch (*ParamBuffer) {
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PUCHAR TempPtr;
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case 'l':
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case 'L':
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//
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// Remember the buffer offset and get the filename.
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//
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ParamBuffer++;
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TempPtr = ParamBuffer;
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DummyCount = 0;
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ParamBuffer = SwallowNonWhite( ParamBuffer, &DummyCount );
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//
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// If the name length is 0, then ignore this entry.
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//
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if (DummyCount) {
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AnsiLabelString.Length = (USHORT) DummyCount;
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AnsiLabelString.Buffer = TempPtr;
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LabelPtr = TempPtr;
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LabelLength = (ULONG) RtlAnsiStringToUnicodeSize( &AnsiLabelString) - sizeof( WCHAR );
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LabelLengthPtr = &LabelLength;
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}
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break;
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}
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ParamBuffer = SwallowNonWhite( ParamBuffer, &DummyCount );
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break;
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//
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// Update the file handle index.
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//
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case 'i' :
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case 'I' :
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//
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// Move to the next character, as long as there
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// are no white spaces continue analyzing letters.
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// On the first bad letter, skip to the next
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// parameter.
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//
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ParamBuffer++;
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FileIndex = (USHORT) AsciiToInteger( ParamBuffer );
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ParamBuffer = SwallowNonWhite( ParamBuffer, &DummyCount );
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ParamReceived = TRUE;
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break;
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//
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// Update the information class.
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//
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case 'c' :
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case 'C' :
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//
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// Move to the next character, as long as there
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// are no white spaces continue analyzing letters.
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// On the first bad letter, skip to the next
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// parameter.
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//
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ParamBuffer++;
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SwitchBool = TRUE;
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while (*ParamBuffer
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&& *ParamBuffer != ' '
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&& *ParamBuffer != '\t') {
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//
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// Perform switch on character.
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//
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switch (*ParamBuffer) {
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case 'a' :
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case 'A' :
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FileInfoClass = FileFsLabelInformation;
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break;
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default :
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ParamBuffer = SwallowNonWhite( ParamBuffer, &DummyCount );
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SwitchBool = FALSE;
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}
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if (!SwitchBool) {
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break;
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}
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ParamBuffer++;
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}
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break;
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case 'v' :
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case 'V' :
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//
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// Legal values for params are T/t or F/f.
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//
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ParamBuffer++;
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if( *ParamBuffer == 'T'
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|| *ParamBuffer == 't' ) {
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VerboseResults = TRUE;
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ParamBuffer++;
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} else if( *ParamBuffer == 'F'
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|| *ParamBuffer == 'f' ) {
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VerboseResults = FALSE;
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ParamBuffer++;
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}
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break;
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case 'y' :
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case 'Y' :
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//
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// Set the display parms flag and jump over this
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// character.
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//
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DisplayParms = TRUE;
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ParamBuffer = SwallowNonWhite( ParamBuffer, &DummyCount );
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break;
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case 'z' :
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case 'Z' :
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//
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// Set flag for more input and jump over this char.
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//
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LastInput = FALSE;
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ParamBuffer = SwallowNonWhite( ParamBuffer, &DummyCount );
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break;
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default :
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//
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// Swallow to the next white space and continue the
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// loop.
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//
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ParamBuffer = SwallowNonWhite( ParamBuffer, &DummyCount );
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}
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}
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//
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// Else the text is invalid, skip the entire block.
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//
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//
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//
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// Else if there is no input then exit.
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//
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} else if( LastInput ) {
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break;
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//
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// Else try to read another line for open parameters.
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//
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} else {
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}
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}
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//
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// If no parameters were received then display the syntax message.
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//
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if (!ParamReceived) {
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printf( "\n Usage: sv [options]* -i<index> [options]*\n" );
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printf( "\n Options:" );
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printf( "\n -i<digits> File index" );
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printf( "\n -lb<digits> Buffer length" );
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printf( "\n -c<char> File information class" );
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printf( "\n -fl<name> Name for label" );
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printf( "\n -ll<digits> Stated length of label" );
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printf( "\n -v[t|f] Verbose results" );
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printf( "\n -y Display parameters to query" );
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printf( "\n -z Additional input line" );
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printf( "\n\n" );
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//
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// Else call our read routine.
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//
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} else {
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NTSTATUS Status;
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SIZE_T RegionSize;
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ULONG TempIndex;
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PASYNC_SET_VOLUME AsyncSetVolume;
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HANDLE ThreadHandle;
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ULONG ThreadId;
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RegionSize = sizeof( ASYNC_SET_VOLUME );
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Status = AllocateBuffer( 0, &RegionSize, &TempIndex );
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AsyncIndex = (USHORT) TempIndex;
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if (!NT_SUCCESS( Status )) {
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printf("\n\tInputSetFile: Unable to allocate async structure" );
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} else {
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UNICODE_STRING UnicodeString;
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//
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// If we need a buffer for the label, allocate it now.
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//
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if (LabelPtr == NULL) {
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RtlInitAnsiString( &AnsiLabelString, "" );
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LabelPtr = AnsiLabelString.Buffer;
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LabelLength = 100;
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}
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RegionSize = LabelLength;
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Status = AllocateBuffer( 0, &RegionSize, &TempIndex );
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if (!NT_SUCCESS( Status )) {
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printf( "\n\tInputSetVolume: Unable to allocate label structure" );
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DeallocateBuffer( AsyncIndex );
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return;
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}
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UnicodeString.Buffer = (PWSTR) Buffers[TempIndex].Buffer;
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UnicodeString.MaximumLength = (USHORT) Buffers[TempIndex].Length;
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LabelIndex = (USHORT) TempIndex;
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LabelBufferAllocated = TRUE;
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//
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// Store the name in the buffer.
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//
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RtlAnsiStringToUnicodeString( &UnicodeString,
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&AnsiLabelString,
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FALSE );
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AsyncSetVolume = (PASYNC_SET_VOLUME) Buffers[AsyncIndex].Buffer;
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AsyncSetVolume->FileIndex = (USHORT) FileIndex;
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AsyncSetVolume->BufferLength = BufferLength;
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AsyncSetVolume->BufferLengthPtr = BufferLengthPtr ?
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&AsyncSetVolume->BufferLength :
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NULL;
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AsyncSetVolume->FileInfoClass = FileInfoClass;
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AsyncSetVolume->LabelLength = LabelLength;
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AsyncSetVolume->LabelLengthPtr = LabelLengthPtr
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? &AsyncSetVolume->LabelLength
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: NULL;
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AsyncSetVolume->LabelIndex = LabelIndex;
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AsyncSetVolume->LabelBufferAllocated = LabelBufferAllocated;
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AsyncSetVolume->DisplayParms = DisplayParms;
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AsyncSetVolume->VerboseResults = VerboseResults;
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AsyncSetVolume->AsyncIndex = AsyncIndex;
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if (!SynchronousCmds) {
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ThreadHandle = CreateThread( NULL,
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0,
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FullSetVolume,
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AsyncSetVolume,
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0,
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&ThreadId );
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if (ThreadHandle == 0) {
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printf( "\nInputSetVolume: Spawning thread fails -> %d\n", GetLastError() );
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if (LabelBufferAllocated) {
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DeallocateBuffer( LabelIndex );
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}
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DeallocateBuffer( AsyncIndex );
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return;
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}
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} else {
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FullSetVolume( AsyncSetVolume );
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}
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}
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}
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return;
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}
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VOID
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FullSetVolume(
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IN OUT PASYNC_SET_VOLUME AsyncSetVolume
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)
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{
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try {
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//
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// Case on the information type and call the appropriate routine.
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//
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switch (AsyncSetVolume->FileInfoClass) {
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case FileFsLabelInformation:
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SetFsLabelInformation( AsyncSetVolume );
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break;
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default:
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bprint "\nFullSetVolume: Unrecognized information class\n" );
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}
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try_return( NOTHING );
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try_exit: NOTHING;
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} finally {
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if (AsyncSetVolume->LabelBufferAllocated) {
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DeallocateBuffer( AsyncSetVolume->LabelIndex );
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}
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DeallocateBuffer( AsyncSetVolume->AsyncIndex );
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}
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NtTerminateThread( 0, STATUS_SUCCESS );
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}
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VOID
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SetFsLabelInformation(
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IN OUT PASYNC_SET_VOLUME AsyncSetVolume
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)
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{
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NTSTATUS Status;
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PFILE_FS_LABEL_INFORMATION LabelInformation;
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USHORT BufferIndex;
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UNICODE_STRING UniLabel;
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ANSI_STRING AnsiLabel;
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BOOLEAN UnwindBufferIndex = FALSE;
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BOOLEAN UnwindFreeAnsiString = FALSE;
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//
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// Check that there is a label specified.
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//
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if (!AsyncSetVolume->LabelBufferAllocated) {
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bprint "\nSet Label Information: No label was specified\n" );
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return;
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}
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UniLabel.Buffer = (PWSTR) Buffers[AsyncSetVolume->LabelIndex].Buffer;
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UniLabel.MaximumLength =
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UniLabel.Length = (USHORT) AsyncSetVolume->LabelLength;
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UniLabel.MaximumLength += 2;
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Status = RtlUnicodeStringToAnsiString( &AnsiLabel,
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&UniLabel,
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TRUE );
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if (!NT_SUCCESS( Status )) {
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bprint "\nSetLabelInfo: Can't allocate ansi buffer -> %08lx\n", Status );
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AsyncSetVolume->DisplayParms = FALSE;
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} else {
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UnwindFreeAnsiString = TRUE;
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}
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if (AsyncSetVolume->DisplayParms) {
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bprint "\nSet LabelInformation Parameters" );
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bprint "\n File Handle Index -> %d", AsyncSetVolume->FileIndex );
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bprint "\n BufferLengthPtr -> %08lx", AsyncSetVolume->BufferLengthPtr );
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if (AsyncSetVolume->BufferLengthPtr) {
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bprint "\n BufferLength value -> %08x", AsyncSetVolume->BufferLength );
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}
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bprint "\n Label length -> %d", AsyncSetVolume->LabelLength );
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bprint "\n New label -> %s", AnsiLabel.Buffer );
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bprint "\n\n" );
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}
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try {
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SIZE_T RegionSize;
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ULONG TempIndex;
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IO_STATUS_BLOCK Iosb;
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RegionSize = sizeof( FILE_FS_LABEL_INFORMATION ) + AsyncSetVolume->LabelLength;
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Status = AllocateBuffer( 0, &RegionSize, &TempIndex );
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BufferIndex = (USHORT) TempIndex;
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if (!NT_SUCCESS( Status )) {
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bprint "\n\tSetLabelInformation: Unable to allocate structure" );
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try_return( NOTHING );
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}
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UnwindBufferIndex = TRUE;
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LabelInformation = (PFILE_FS_LABEL_INFORMATION) Buffers[BufferIndex].Buffer;
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//
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// Fill in the new information.
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//
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LabelInformation->VolumeLabelLength = AsyncSetVolume->LabelLength;
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RtlMoveMemory( LabelInformation->VolumeLabel,
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UniLabel.Buffer,
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AsyncSetVolume->LabelLength );
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Iosb.Status = STATUS_SUCCESS;
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Iosb.Information = 0;
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Status = NtSetVolumeInformationFile( Handles[AsyncSetVolume->FileIndex].Handle,
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&Iosb,
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LabelInformation,
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AsyncSetVolume->BufferLengthPtr
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? AsyncSetVolume->BufferLength
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: Buffers[BufferIndex].Length,
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FileFsLabelInformation );
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if (AsyncSetVolume->VerboseResults) {
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bprint "\nSetInformationFile: Status -> %08lx", Status );
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if (NT_SUCCESS( Status )) {
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bprint "\n Iosb.Information -> %08lx", Iosb.Information );
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bprint "\n Iosb.Status -> %08lx", Iosb.Status );
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}
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bprint "\n" );
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}
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try_exit: NOTHING;
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} finally {
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if (UnwindFreeAnsiString) {
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RtlFreeAnsiString( &AnsiLabel );
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}
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if (UnwindBufferIndex) {
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DeallocateBuffer( BufferIndex );
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}
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}
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||
return;
|
||
}
|
||
|