cooking.c

Linux下的系统信息获取

    {
        sprintf(line, "%-35s  %s %s \n", "", SEP2, TYPE0_CHAR_FD_TOSHIBA);
        strcat(file, line);
    }
    if( (type0->characteristics) & 0x0000000000400000 )
    {
        sprintf(line, "%-35s  %s %s \n", "", SEP2, TYPE0_CHAR_360);
        strcat(file, line);
    }
    if( (type0->characteristics) & 0x0000000000800000 )
    {
        sprintf(line, "%-35s  %s %s \n", "", SEP2, TYPE0_CHAR_1200);
        strcat(file, line);
    }
    if( (type0->characteristics) & 0x0000000001000000 )
    {
        sprintf(line, "%-35s  %s %s \n", "", SEP2, TYPE0_CHAR_720);
        strcat(file, line);
    }
    if( (type0->characteristics) & 0x0000000002000000 )
    {
        sprintf(line, "%-35s  %s %s \n", "", SEP2, TYPE0_CHAR_2880);
        strcat(file, line);
    }
    if( (type0->characteristics) & 0x0000000004000000 )
    {
        sprintf(line, "%-35s  %s %s \n", "", SEP2, TYPE0_CHAR_PRINT_SCREEN);
        strcat(file, line);
    }
    if( (type0->characteristics) & 0x0000000008000000 )
    {
        sprintf(line, "%-35s  %s %s \n", "", SEP2, TYPE0_CHAR_KEYBOARD);
        strcat(file, line);
    }
    if( (type0->characteristics) & 0x0000000010000000 )
    {
        sprintf(line, "%-35s  %s %s \n", "", SEP2, TYPE0_CHAR_SER_SERVICES);
        strcat(file, line);
    }
    if( (type0->characteristics) & 0x0000000020000000 )
    {
        sprintf(line, "%-35s  %s %s \n", "", SEP2, TYPE0_CHAR_PRINT_SERVICES);
        strcat(file, line);
    }
    if( (type0->characteristics) & 0x0000000040000000 )
    {
        sprintf(line, "%-35s  %s %s \n", "", SEP2, TYPE0_CHAR_VIDEO_SERVICES);
        strcat(file, line);
    }
    if( (type0->characteristics) & 0x0000000080000000 )
    {
        sprintf(line, "%-35s  %s %s \n", "", SEP2, TYPE0_CHAR_PC98);
        strcat(file, line);
    }

    if(smbiosstruct->length > 0x12)
    {
        /* interpretation of extension byte 1 */
        if( (type0->ext1) & 0x01 )
        {
            sprintf(line, "%-35s  %s %s \n", "", SEP2, TYPE0_EXT1_ACPI);
            strcat(file, line);
        }
        if( (type0->ext1) & 0x02 )
        {
            sprintf(line, "%-35s  %s %s \n", "", SEP2, TYPE0_EXT1_USB);
            strcat(file, line);
        }
        if( (type0->ext1) & 0x04 )
        {
            sprintf(line, "%-35s  %s %s \n", "", SEP2, TYPE0_EXT1_AGP);
            strcat(file, line);
        }
        if( (type0->ext1) & 0x08 )
        {
            sprintf(line, "%-35s  %s %s \n", "", SEP2, TYPE0_EXT1_I2O_BOOT);
            strcat(file, line);
        }
        if( (type0->ext1) & 0x10 )
        {
            sprintf(line, "%-35s  %s %s \n", "", SEP2, TYPE0_EXT1_LS120);
            strcat(file, line);
        }
        if( (type0->ext1) & 0x20 )
        {
            sprintf(line, "%-35s  %s %s \n", "", SEP2, TYPE0_EXT1_ATAPI_ZIP_BOOT);
            strcat(file, line);
        }
        if( (type0->ext1) & 0x40 )
        {
            sprintf(line, "%-35s  %s %s \n", "", SEP2, TYPE0_EXT1_1394_BOOT);
            strcat(file, line);
        }
        if( (type0->ext1) & 0x80 )
        {
            sprintf(line, "%-35s  %s %s \n", "", SEP2, TYPE0_EXT1_SMART_BATTERY);
            strcat(file, line);
        }
    }

    if(smbiosstruct->length > 0x13)
    {
        /* interpretation of extension byte 2 */
        if( (type0->ext2) & 0x01 )
        {
            sprintf(line, "%-35s  %s %s \n", "", SEP2, TYPE0_EXT2_BBS);
            strcat(file, line);
        }
        if( (type0->ext2) & 0x02 )
        {
            sprintf(line, "%-35s  %s %s \n", "", SEP2, TYPE0_EXT2_NETWORK_BOOT);
            strcat(file, line);
        }
    }

	
    /* now line contains a string with fully interpreted type 0 data */
	*plength = strlen(file);

	/* allocate memory */
	scratch = kmalloc (*plength+1, GFP_BUFFER);
	if (scratch == NULL)
	{
		*plength = 0;
		return NULL;
	}

	/* copy the interpreted data */
	memcpy (scratch, file, *plength);

	/* return a string with all the interpreted data for the given raw structure. */	
	/* the caller is responsible to free the memory. */	
	return scratch;
	
}


/** \fn unsigned char * bios_cook_type_1 (smbios_struct *smbiosstruct, unsigned int * plength)
  * \brief writes interpreted SMBIOS Type 1 data to a /proc file
  * \param smbiosstruct pointer to SMBIOS Type 1 raw structure
  * \param plength amount of memory allocated by this function
  * \return pointer to string that holds the interpreted data
  *
  * this function gets a raw SMBIOS Type 1 (System) structure. it
  * interpretes the raw data and builds a string with the interpreted
  * data. this is the return value of this structure. the caller is
  * responsible to free the allocated memory.
  *
  * \author Joachim Braeuer
  * \date March 2001
  */

unsigned char *
bios_cook_type_1 (smbios_struct * smbiosstruct, unsigned int *plength)
{
	/* contains the full block of interpreted data */
    /* on some systems the system crashed if the stack (local variables) */
    /* is bigger than one pages (4k). since linux needs some space in this */
    /* page the variables should never exceed 3kB. */

	smbios_type_1 *type1;
    unsigned char * scratch;

	/* contains the full block of interpreted data */
    /* on some systems the system crashed if the stack (local variables) */
    /* is bigger than one pages (4k). since linux needs some space in this */
    /* page the variables should never exceed 3kB. */
	unsigned char file[2800];

	/* contains one line of the above file */
    unsigned char line[128];

    unsigned char help[8];                  /* helper string */
    int i;


    /* cast our data ptr to a structure ptr of SMBIOS type 1 */
    type1 = (smbios_type_1 *)smbiosstruct;

    /* prepare header strings */
    sprintf (line, "%-35s%s %d %s\n", TYPE, SEP1, smbiosstruct->type, TYPE1_NAME);
    strcpy(file, line);
	sprintf (line, "%-35s%s %d %s\n", LENGTH, SEP1, smbiosstruct->length, BYTES);
	strcat(file, line);
	sprintf (line, "%-35s%s %d\n\n", HANDLE, SEP1, smbiosstruct->handle);
	strcat(file, line);
	
	/* prepare interpreted type 1 string */
	sprintf (line, "%-35s%s %s\n", TYPE1_MANUFACTURER, SEP1, GetString(smbiosstruct, (unsigned int)(type1->manufacturer)));
    strcat(file, line);
	sprintf (line, "%-35s%s %s\n", TYPE1_PRODUCT_NAME, SEP1, GetString(smbiosstruct, (unsigned int)(type1->productname)));
	strcat(file, line);	
	sprintf (line, "%-35s%s %s\n", TYPE1_VERSION, SEP1, GetString(smbiosstruct, (unsigned int)(type1->version)));
	strcat(file, line);	
	sprintf (line, "%-35s%s %s\n", TYPE1_SERIAL_NUMBER, SEP1, GetString(smbiosstruct, (unsigned int)(type1->serialnumber)));
	strcat(file, line);

	
    /* if smbios 2.1 or higher */
    if(smbiosstruct->length > 0x08)		
	{
  	    sprintf(line, "%-35s%s ", TYPE1_UUID, SEP1);
  	    strcat(file, line);
  	    for (i=0; i<16; i++)
 		{
			sprintf(help, "%.2X ", type1->uuid[i]);
  	        strcat(file, help);
		}
		strcat(file, "\n");

		switch(type1->wakeuptype)
		{
			case 0:		sprintf (line, "%-35s%s %s\n", TYPE1_WAKEUP, SEP1, TYPE1_WT_RESERVED);
						break;
			case 1:		sprintf (line, "%-35s%s %s\n", TYPE1_WAKEUP, SEP1, TYPE1_WT_OTHER);
						break;
			case 2:		sprintf (line, "%-35s%s %s\n", TYPE1_WAKEUP, SEP1, TYPE1_WT_UNKNOWN);
						break;
			case 3:		sprintf (line, "%-35s%s %s\n", TYPE1_WAKEUP, SEP1, TYPE1_WT_APM);
						break;
			case 4:		sprintf (line, "%-35s%s %s\n", TYPE1_WAKEUP, SEP1, TYPE1_WT_MODEM);
						break;
			case 5:		sprintf (line, "%-35s%s %s\n", TYPE1_WAKEUP, SEP1, TYPE1_WT_LAN);
						break;
			case 6:		sprintf (line, "%-35s%s %s\n", TYPE1_WAKEUP, SEP1, TYPE1_WT_POWER_SWITCH);
						break;
			case 7:		sprintf (line, "%-35s%s %s\n", TYPE1_WAKEUP, SEP1, TYPE1_WT_PCI_PME);
						break;
			case 8:		sprintf (line, "%-35s%s %s\n", TYPE1_WAKEUP, SEP1, TYPE1_WT_AC_PWR_RESTORE);
						break;
			default:    sprintf (line, "%-35s%s %d\n", TYPE1_WAKEUP, SEP1, type1->wakeuptype);
		}
  	    strcat(file, line);
	} /* end - if smbios 2.1 or higher */

	/* now line contains a string with fully interpreted type 1 data */
	*plength = strlen(file);

	/* allocate memory */
	scratch = kmalloc (*plength+1, GFP_BUFFER);
	if (scratch == NULL)
	{
		*plength = 0;
		return NULL;
	}

	/* copy the interpreted data */
	memcpy (scratch, file, *plength);

	/* return a string with all the interpreted data for the given raw structure. */	
    /* the caller is responsible to free the memory. */	
    return scratch;

}


/** \fn unsigned char * bios_cook_type_2 (smbios_struct *smbiosstruct, unsigned int * plength)
  * \brief writes interpreted SMBIOS Type 2 data to a /proc file
  * \param smbiosstruct pointer to SMBIOS Type 2 raw structure
  * \param plength amount of memory allocated by this function
  * \return pointer to string that holds the interpreted data
  *
  * this function gets a raw SMBIOS Type 2 (BaseBoard) structure. it
  * interpretes the raw data and builds a string with the interpreted
  * data. this is the return value of this structure. the caller is
  * responsible to free the allocated memory.
  *
  * \author Joachim Braeuer
  * \date March 2001
  */

unsigned char *
bios_cook_type_2 (smbios_struct * smbiosstruct, unsigned int *plength)
{
	smbios_type_2 *type2;
    unsigned char * scratch;
	
	/* contains the full block of interpreted data */
    /* on some systems the system crashed if the stack (local variables) */
    /* is bigger than one pages (4k). since linux needs some space in this */
    /* page the variables should never exceed 3kB. */
	unsigned char file[2800];

	/* contains one line of the above file */
    unsigned char line[128];


    /* cast our data ptr to a structure ptr of SMBIOS type 2 */
    type2 = (smbios_type_2 *)smbiosstruct;

    /* prepare header strings */
    sprintf (line, "%-35s%s %d %s\n", TYPE, SEP1, smbiosstruct->type, TYPE2_NAME);
    strcpy(file, line);
	sprintf (line, "%-35s%s %d %s\n", LENGTH, SEP1, smbiosstruct->length, BYTES);
	strcat(file, line);
	sprintf (line, "%-35s%s %d\n\n", HANDLE, SEP1, smbiosstruct->handle);
	strcat(file, line);

	/* prepare interpreted type 2 strings */
	sprintf (line, "%-35s%s %s\n", TYPE2_MANUFACTURER, SEP1, GetString(smbiosstruct, (unsigned int)(type2->manufacturer)));
	strcat(file, line);
	sprintf (line, "%-35s%s %s\n", TYPE2_PRODUCT, SEP1, GetString(smbiosstruct, (unsigned int)(type2->product)));
	strcat(file, line);
	sprintf (line, "%-35s%s %s\n", TYPE2_VERSION, SEP1, GetString(smbiosstruct, (unsigned int)(type2->version)));
	strcat(file, line);
	sprintf (line, "%-35s%s %s\n", TYPE2_SERIAL_NUMBER, SEP1, GetString(smbiosstruct, (unsigned int)(type2->serialnumber)));
	strcat(file, line);


    /* now line contains a string with fully interpreted type 2 data */
	*plength = strlen(file);

	/* allocate memory */
	scratch = kmalloc (*plength+1, GFP_BUFFER);
	if (scratch == NULL)
	{
		*plength = 0;
		return NULL;
	}

	/* copy the interpreted data */
	memcpy (scratch, file, *plength);

	/* return a string with all the interpreted data for the given raw structure. */
	/* the caller is responsible to free the memory. */	
	return scratch;
}


/** \fn unsigned char * bios_cook_type_3 (smbios_struct *smbiosstruct, unsigned int * plength)
  * \brief writes interpreted SMBIOS Type 3 data to a /proc file
  * \param smbiosstruct pointer to SMBIOS Type 3 raw structure
  * \param plength amount of memory allocated by this function
  * \return pointer to string that holds the interpreted data
  *
  * this function gets a raw SMBIOS Type 3 (Enclosure, Chassis) structure. it
  * interpretes the raw data and builds a string with the interpreted
  * data. this is the return value of this structure. the caller is
  * responsible to free the allocated memory.
  *
  * \author Joachim Braeuer
  * \date March 2001
  */

unsigned char *
bios_cook_type_3 (smbios_struct * smbiosstruct, unsigned int *plength)
{
	smbios_type_3 *type3;
    unsigned char * scratch;
	
    /* contains the full block of interpreted data */
    /* on some systems the system crashed if the stack (local variables) */
    /* is bigger than one pages (4k). since linux needs some space in this */
    /* page the variables should never exceed 3kB. */
	unsigned char file[2800];

	/* contains one line of the above file */
    unsigned char line[128];