/**************************************************************************
* SEC DRIVER IOCTL
**************************************************************************/
long sec_core_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
int err = 0;
int ret = 0;
unsigned int cipher_len = 0;
unsigned int rid[4];
unsigned char part_name[16];
META_CONTEXT meta_ctx;
int status = 0;
/* ---------------------------------- */
/* IOCTL */
/* ---------------------------------- */
if (_IOC_TYPE(cmd) != SEC_IOC_MAGIC)
return -ENOTTY;
if (_IOC_NR(cmd) > SEC_IOC_MAXNR)
return -ENOTTY;
if (_IOC_DIR(cmd) & _IOC_READ)
err = !access_ok(VERIFY_WRITE, (void __user *)arg, _IOC_SIZE(cmd));
if (_IOC_DIR(cmd) & _IOC_WRITE)
err = !access_ok(VERIFY_READ, (void __user *)arg, _IOC_SIZE(cmd));
if (err) return -EFAULT;
switch (cmd) {
/* ---------------------------------- */
/* get random id */
/* ---------------------------------- */
case SEC_GET_RANDOM_ID:
SMSG(bMsg,"[%s] CMD - SEC_GET_RANDOM_ID\n",MOD);
sec_get_random_id(&rid[0]);
ret = osal_copy_to_user((void __user *)arg, (void *)&rid[0], sizeof(unsigned int) * 4);
break;
/* ---------------------------------- */
/* init boot info */
/* ---------------------------------- */
case SEC_BOOT_INIT:
SMSG(bMsg,"[%s] CMD - SEC_BOOT_INIT\n",MOD);
ret = masp_boot_init();
sec_core_init ();
ret = osal_copy_to_user((void __user *)arg, (void *)&ret, sizeof(int));
break;
/* ---------------------------------- */
/* check if secure boot is enbaled */
/* ---------------------------------- */
case SEC_BOOT_IS_ENABLED:
SMSG(bMsg,"[%s] CMD - SEC_BOOT_IS_ENABLED\n",MOD);
ret = sec_boot_enabled();
ret = osal_copy_to_user((void __user *)arg, (void *)&ret, sizeof(int));
break;
/* ---------------------------------- */
/* encrypt sec cfg */
/* ---------------------------------- */
case SEC_SECCFG_ENCRYPT:
SMSG(bMsg,"[%s] CMD - SEC_SECCFG_ENCRYPT\n",MOD);
if(copy_from_user((void *)&seccfg, (void __user *)arg, sizeof(SECCFG_U)))
{
return -EFAULT;
}
/* specify encrpytion length */
SMSG(true,"[%s] SECCFG v%d\n",MOD,get_seccfg_ver());
if (SEC_CFG_END_PATTERN == seccfg.v1.end_pattern)
{
if((SECCFG_V1 != get_seccfg_ver()) && (SECCFG_V1_2 != get_seccfg_ver()))
{
SMSG(true,"[%s] mismatch seccfg version v%d\n",MOD,get_seccfg_ver());
SEC_ASSERT(0);
}
cipher_len = get_seccfg_cipher_len();
sec_update_lks(seccfg.v1.sw_sec_lock_try, seccfg.v1.sw_sec_lock_done, seccfg.v1.attr == ATTR_DISABLE_IMG_CHECK);
masp_hal_sp_hacc_enc((unsigned char*)&seccfg.v1.image_info,cipher_len,rom_info.m_SEC_CTRL.m_seccfg_ac_en,HACC_USER1,FALSE);
}
else if (SEC_CFG_END_PATTERN == seccfg.v3.end_pattern)
{
if(SECCFG_V3 != get_seccfg_ver())
{
SMSG(true,"[%s] mismatch seccfg version v%d\n",MOD,get_seccfg_ver());
SEC_ASSERT(0);
}
cipher_len = get_seccfg_cipher_len();
sec_update_lks(seccfg.v3.sw_sec_lock_try, seccfg.v3.sw_sec_lock_done, seccfg.v3.seccfg_attr == ATTR_DISABLE_IMG_CHECK);
masp_hal_sp_hacc_enc((unsigned char*)&seccfg.v3.image_info,cipher_len,rom_info.m_SEC_CTRL.m_seccfg_ac_en,HACC_USER1,FALSE);
}
else
{
SMSG(true,"[%s] wrong seccfg version v%d\n",MOD,seccfg.v3.seccfg_ver)
SEC_ASSERT(0);
}
ret = osal_copy_to_user((void __user *)arg, (void *)&seccfg, sizeof(SECCFG_U));
break;
/* ---------------------------------- */
/* decrypt sec cfg */
/* ---------------------------------- */
case SEC_SECCFG_DECRYPT:
SMSG(bMsg,"[%s] CMD - SEC_SECCFG_DECRYPT\n",MOD);
if(copy_from_user((void *)&seccfg, (void __user *)arg, sizeof(SECCFG_U)))
{
return -EFAULT;
}
/* specify decrpytion length */
if (SEC_CFG_END_PATTERN == seccfg.v1.end_pattern)
{
/* seccfg version should be corrected by caller */
set_seccfg_ver(SECCFG_V1);
cipher_len = get_seccfg_cipher_len();
masp_hal_sp_hacc_dec((unsigned char*)&seccfg.v1.image_info,cipher_len,rom_info.m_SEC_CTRL.m_seccfg_ac_en,HACC_USER1,FALSE);
sec_update_lks(seccfg.v1.sw_sec_lock_try, seccfg.v1.sw_sec_lock_done, seccfg.v1.attr == ATTR_DISABLE_IMG_CHECK);
}
else if (SEC_CFG_END_PATTERN == seccfg.v3.end_pattern)
{
/* seccfg version should be corrected by caller */
set_seccfg_ver(SECCFG_V3);
cipher_len = get_seccfg_cipher_len();
masp_hal_sp_hacc_dec((unsigned char*)&seccfg.v3.image_info,cipher_len,rom_info.m_SEC_CTRL.m_seccfg_ac_en,HACC_USER1,FALSE);
sec_update_lks(seccfg.v3.sw_sec_lock_try, seccfg.v3.sw_sec_lock_done, seccfg.v3.seccfg_attr == ATTR_DISABLE_IMG_CHECK);
}
else
{
SMSG(true,"[%s] wrong seccfg version v%d\n",MOD,seccfg.v3.seccfg_ver)
SEC_ASSERT(0);
}
SMSG(bMsg,"[%s] SECCFG v%d\n",MOD,get_seccfg_ver());
ret = osal_copy_to_user((void __user *)arg, (void *)&seccfg, sizeof(SECCFG_U));
break;
/* ---------------------------------- */
/* NVRAM HW encryption */
/* ---------------------------------- */
case SEC_NVRAM_HW_ENCRYPT:
SMSG(bMsg,"[%s] CMD - SEC_NVRAM_HW_ENCRYPT\n",MOD);
if(osal_copy_from_user((void *)&meta_ctx, (void __user *)arg, sizeof(meta_ctx)))
{
return -EFAULT;
}
/* TODO : double check if META register is correct ? */
masp_hal_sp_hacc_enc((unsigned char*)&(meta_ctx.data),NVRAM_CIPHER_LEN,TRUE,HACC_USER2,FALSE);
meta_ctx.ret = SEC_OK;
ret = osal_copy_to_user((void __user *)arg, (void *)&meta_ctx, sizeof(meta_ctx));
break;
/* ---------------------------------- */
/* NVRAM HW decryption */
/* ---------------------------------- */
case SEC_NVRAM_HW_DECRYPT:
SMSG(bMsg,"[%s] CMD - SEC_NVRAM_HW_DECRYPT\n",MOD);
if(osal_copy_from_user((void *)&meta_ctx, (void __user *)arg, sizeof(meta_ctx)))
{
return -EFAULT;
}
masp_hal_sp_hacc_dec((unsigned char*)&(meta_ctx.data),NVRAM_CIPHER_LEN,TRUE,HACC_USER2,FALSE);
meta_ctx.ret = SEC_OK;
ret = osal_copy_to_user((void __user *)arg, (void *)&meta_ctx, sizeof(meta_ctx));
break;
/* ---------------------------------- */
/* check if secure usbdl is enbaled */
/* ---------------------------------- */
case SEC_USBDL_IS_ENABLED:
SMSG(bMsg,"[%s] CMD - SEC_USBDL_IS_ENABLED\n",MOD);
ret = sec_usbdl_enabled();
ret = osal_copy_to_user((void __user *)arg, (void *)&ret, sizeof(int));
break;
/* ---------------------------------- */
/* configure HACC HW (include SW KEY) */
/* ---------------------------------- */
case SEC_HACC_CONFIG:
SMSG(bMsg,"[%s] CMD - SEC_HACC_CONFIG\n",MOD);
ret = sec_boot_hacc_init();
ret = osal_copy_to_user((void __user *)arg, (void *)&ret, sizeof(int));
break;
/* ---------------------------------- */
/* enable HACC HW clock */
/* ---------------------------------- */
case SEC_HACC_ENABLE_CLK:
SMSG(bMsg,"[%s] CMD - SEC_HACC_ENABLE_CLK\n",MOD);
ret = osal_copy_to_user((void __user *)arg, (void *)&ret, sizeof(int));
break;
/* ---------------------------------- */
/* lock hacc function */
/* ---------------------------------- */
case SEC_HACC_LOCK:
SMSG(bMsg,"[%s] CMD - SEC_HACC_LOCK\n",MOD);
SMSG(bMsg,"[%s] lock\n",MOD);
/* If the semaphore is successfully acquired, this function returns 0.*/
ret = osal_hacc_lock();
if(ret)
{
SMSG(true,"[%s] ERESTARTSYS\n",MOD);
return -ERESTARTSYS;
}
return ret;
/* ---------------------------------- */
/* unlock hacc function */
/* ---------------------------------- */
case SEC_HACC_UNLOCK:
SMSG(bMsg,"[%s] CMD - SEC_HACC_UNLOCK\n",MOD);
SMSG(bMsg,"[%s] unlock\n",MOD);
osal_hacc_unlock();
break;
/* ---------------------------------- */
/* check if secure boot check enabled */
/* ---------------------------------- */
case SEC_BOOT_PART_CHECK_ENABLE:
SMSG(bMsg,"[%s] CMD -SEC_BOOT_PART_CHECK_ENABLE\n",MOD);
if(copy_from_user((void *)part_name, (void __user *)arg, sizeof(part_name)))
{
return -EFAULT;
}
ret = sec_boot_check_part_enabled (part_name);
SMSG(bMsg,"[%s] result '0x%x'\n",MOD,ret);
return ret;
/* ---------------------------------- */
/* notify mark incomplete */
/* ---------------------------------- */
case SEC_BOOT_NOTIFY_MARK_STATUS:
SMSG(true,"[%s] mark status\n",MOD);
/* may do some post process here ... */
break;
/* ---------------------------------- */
/* notify check pass */
/* ---------------------------------- */
case SEC_BOOT_NOTIFY_PASS:
SMSG(true,"[%s] sbchk pass\n",MOD);
SMSG(true,"[%s] sbchk pass\n",MOD);
SMSG(true,"[%s] sbchk pass\n",MOD);
SMSG(true,"[%s] sbchk pass\n",MOD);
SMSG(true,"[%s] sbchk pass\n",MOD);
/* may do some post process here ... */
break;
/* ---------------------------------- */
/* notify check fail */
/* ---------------------------------- */
case SEC_BOOT_NOTIFY_FAIL:
if(osal_copy_from_user((void *)part_name, (void __user *)arg, sizeof(part_name)))
{
return -EFAULT;
}
SMSG(true,"[%s] sbchk fail '%s'\n",MOD,part_name);
SMSG(true,"[%s] sbchk fail '%s'\n",MOD,part_name);
SMSG(true,"[%s] sbchk fail '%s'\n",MOD,part_name);
SMSG(true,"[%s] sbchk fail '%s'\n",MOD,part_name);
SMSG(true,"[%s] sbchk fail '%s'\n",MOD,part_name);
osal_msleep(3000);
/* punishment ... */
SEC_ASSERT(0);
break;
/* ---------------------------------- */
/* notify recovery mode done */
/* ---------------------------------- */
case SEC_BOOT_NOTIFY_RMSDUP_DONE:
SMSG(true,"[%s] recovery mode done\n",MOD);
/* may do some post process here ... */
break;
/* ---------------------------------- */
/* read rom info */
/* ---------------------------------- */
case SEC_READ_ROM_INFO:
SMSG(bMsg,"[%s] read rom info\n",MOD);
ret = osal_copy_to_user((void __user *)arg, (void *)&rom_info, sizeof(AND_ROMINFO_T));
break;
/* ---------------------------------- */
/* notify check status */
/* ---------------------------------- */
case SEC_BOOT_NOTIFY_STATUS:
ret = osal_copy_from_user((void *)&status, (void __user *)arg, sizeof(int));
SMSG(true,"[%s] sbchk status : '0x%x' \n",MOD,status);
break;
}
return 0;
}
/******************************************************************************
* RETURN SECROIMG MD PLAINTEXT DATA
******************************************************************************/
uint32 masp_secro_md_get_data (uchar *md_info, uchar* buf, uint32 offset, uint32 len)
{
uint32 ret = SEC_OK;
uint32 cipher_len = sizeof(AND_AC_ANDRO_T) + sizeof(AND_AC_MD_T) + sizeof(AND_AC_MD2_T);
AND_AC_MD_INFO_V3a_T* cur_md_info = NULL;
uint32 md_info_len = 0;
uint32 index = 0;
osal_secro_lock();
/* ----------------- */
/* check */
/* ----------------- */
if (NULL == md_info)
{
ret = ERR_SECROIMG_EMPTY_MD_INFO_STR;
goto _exit;
}
else
{
md_info_len = strlen(md_info);
}
if(FALSE == bSecroExist)
{
ret = ERR_SECROIMG_IS_EMPTY;
goto _exit;
}
if(len == 0)
{
ret = ERR_SECROIMG_INVALID_BUF_LEN;
goto _exit;
}
if (0 != (len % masp_hal_sp_hacc_blk_sz()))
{
ret = ERR_HACC_DATA_UNALIGNED;
goto _exit;
}
/* check if it only supports secro v3 format */
if (0 == secroimg.m_header.world_phone_support)
{
SMSG(TRUE,"[%s]sro v3 \n",MOD);
/* ------------------------ */
/* decrypt secroimg */
/* ------------------------ */
if(TRUE == sec_secro_ac())
{
masp_hal_sp_hacc_dec((uchar*)&secroimg.m_andro, cipher_len, TRUE,HACC_USER1,TRUE);
}
/* ------------------------ */
/* check header */
/* ------------------------ */
if(AC_ANDRO_MAGIC != secroimg.m_andro.magic_number)
{
ret = ERR_SECROIMG_HACC_AP_DECRYPT_FAIL;
goto _exit;
}
if(AC_MD_MAGIC != secroimg.m_md.magic_number)
{
ret = ERR_SECROIMG_HACC_MD_DECRYPT_FAIL;
goto _exit;
}
if(AC_MD2_MAGIC != secroimg.m_md2.magic_number)
{
ret = ERR_SECROIMG_HACC_MD_DECRYPT_FAIL;
goto _exit;
}
/* ------------------------ */
/* fill buffer */
/* ------------------------ */
/* only copy the data with user specified length */
/* check if this image's information exist */
if ('1' == md_info[0])
{
mcpy(buf,secroimg.m_md.reserve+offset,len);
}
else if ('2' == md_info[0])
{
mcpy(buf,secroimg.m_md2.reserve+offset,len);
}
else
{
SMSG(TRUE,"[%s] MD user not supported!\n",MOD);
}
/* ------------------------ */
/* encrypt secro image */
/* ------------------------ */
if(TRUE == sec_secro_ac())
{
masp_hal_sp_hacc_enc((uchar*)&secroimg.m_andro, cipher_len, TRUE,HACC_USER1,TRUE);
}
}
else
{
SMSG(TRUE,"[%s]sro v5 \n",MOD);
/* ----------------------------- */
/* if it supports v5 format */
/* ----------------------------- */
/* check if this image's information exist */
for(index=0; index<MAX_V5_SUPPORT_MD_NUM; index++)
{
cur_md_info = &(secroimg.m_padding.md_v3a_info[index]);
if(0 == strncmp(md_info,cur_md_info->md_name+strlen("SECURE_RO_"),md_info_len))
{
break;
}
}
/* md info dees not exist */
if (MAX_V5_SUPPORT_MD_NUM == index)
{
ret = ERR_SECROIMG_MD_INFO_NOT_EXIST;
goto _exit;
}
/* ------------------------ */
/* read secro v5 from flash */
/* ------------------------ */
bSecroV5Exist = FALSE;
bSecroV5Intergiy = FALSE;
if(SEC_OK != (ret = sec_dev_read_secroimg_v5(index)))
{
goto _exit;
}
else
{
/* ------------------------ */
/* decrypt secroimg */
/* ------------------------ */
cipher_len = sizeof(AND_AC_MD_INFO_V5a_T) + sizeof(AND_AC_MD_V5a_T);
if(TRUE == sec_secro_ac())
{
masp_hal_sp_hacc_dec((uchar*)&secroimg_v5.m_md_info_v5a, cipher_len, TRUE,HACC_USER1,TRUE);
}
/* ------------------------ */
/* check header */
/* ------------------------ */
if(AC_MD_INFO_MAGIC != secroimg_v5.m_md_info_v5a.magic_number)
{
ret = ERR_SECROIMG_HACC_MD_DECRYPT_FAIL;
goto _exit;
}
if(AC_SV5_MAGIC_MD_V5a != secroimg_v5.m_md_sro_v5a.magic_number)
{
ret = ERR_SECROIMG_HACC_MD_DECRYPT_FAIL;
goto _exit;
}
/* ------------------------ */
/* fill buffer */
/* ------------------------ */
/* only copy the data with user specified length */
mcpy(buf,secroimg_v5.m_md_sro_v5a.reserve+offset,len);
/* no need to encrypt since next time, we'll read it again from flash*/
}
}
_exit:
osal_secro_unlock();
return ret;
}
