static int process_ob_ipinfo(void *in_msg, void *out_msg, int op)
{
struct hv_kvp_msg *in = in_msg;
struct hv_kvp_ip_msg *out = out_msg;
int len;
switch (op) {
case KVP_OP_GET_IP_INFO:
/*
* Transform all parameters into utf16 encoding.
*/
len = utf8s_to_utf16s((char *)in->body.kvp_ip_val.ip_addr,
strlen((char *)in->body.kvp_ip_val.ip_addr),
UTF16_HOST_ENDIAN,
(wchar_t *)out->kvp_ip_val.ip_addr,
MAX_IP_ADDR_SIZE);
if (len < 0)
return len;
len = utf8s_to_utf16s((char *)in->body.kvp_ip_val.sub_net,
strlen((char *)in->body.kvp_ip_val.sub_net),
UTF16_HOST_ENDIAN,
(wchar_t *)out->kvp_ip_val.sub_net,
MAX_IP_ADDR_SIZE);
if (len < 0)
return len;
len = utf8s_to_utf16s((char *)in->body.kvp_ip_val.gate_way,
strlen((char *)in->body.kvp_ip_val.gate_way),
UTF16_HOST_ENDIAN,
(wchar_t *)out->kvp_ip_val.gate_way,
MAX_GATEWAY_SIZE);
if (len < 0)
return len;
len = utf8s_to_utf16s((char *)in->body.kvp_ip_val.dns_addr,
strlen((char *)in->body.kvp_ip_val.dns_addr),
UTF16_HOST_ENDIAN,
(wchar_t *)out->kvp_ip_val.dns_addr,
MAX_IP_ADDR_SIZE);
if (len < 0)
return len;
len = utf8s_to_utf16s((char *)in->body.kvp_ip_val.adapter_id,
strlen((char *)in->body.kvp_ip_val.adapter_id),
UTF16_HOST_ENDIAN,
(wchar_t *)out->kvp_ip_val.adapter_id,
MAX_IP_ADDR_SIZE);
if (len < 0)
return len;
out->kvp_ip_val.dhcp_enabled =
in->body.kvp_ip_val.dhcp_enabled;
out->kvp_ip_val.addr_family =
in->body.kvp_ip_val.addr_family;
}
return 0;
}
static u32 xhci_dbc_populate_strings(struct dbc_str_descs *strings)
{
struct usb_string_descriptor *s_desc;
u32 string_length;
/* Serial string: */
s_desc = (struct usb_string_descriptor *)strings->serial;
utf8s_to_utf16s(DBC_STRING_SERIAL, strlen(DBC_STRING_SERIAL),
UTF16_LITTLE_ENDIAN, (wchar_t *)s_desc->wData,
DBC_MAX_STRING_LENGTH);
s_desc->bLength = (strlen(DBC_STRING_SERIAL) + 1) * 2;
s_desc->bDescriptorType = USB_DT_STRING;
string_length = s_desc->bLength;
string_length <<= 8;
/* Product string: */
s_desc = (struct usb_string_descriptor *)strings->product;
utf8s_to_utf16s(DBC_STRING_PRODUCT, strlen(DBC_STRING_PRODUCT),
UTF16_LITTLE_ENDIAN, (wchar_t *)s_desc->wData,
DBC_MAX_STRING_LENGTH);
s_desc->bLength = (strlen(DBC_STRING_PRODUCT) + 1) * 2;
s_desc->bDescriptorType = USB_DT_STRING;
string_length += s_desc->bLength;
string_length <<= 8;
/* Manufacture string: */
s_desc = (struct usb_string_descriptor *)strings->manufacturer;
utf8s_to_utf16s(DBC_STRING_MANUFACTURER,
strlen(DBC_STRING_MANUFACTURER),
UTF16_LITTLE_ENDIAN, (wchar_t *)s_desc->wData,
DBC_MAX_STRING_LENGTH);
s_desc->bLength = (strlen(DBC_STRING_MANUFACTURER) + 1) * 2;
s_desc->bDescriptorType = USB_DT_STRING;
string_length += s_desc->bLength;
string_length <<= 8;
/* String0: */
strings->string0[0] = 4;
strings->string0[1] = USB_DT_STRING;
strings->string0[2] = 0x09;
strings->string0[3] = 0x04;
string_length += 4;
return string_length;
}
void
asusnls_u2c(char *name)
{
#ifdef CONFIG_NLS
char *codepage;
char *xfrstr;
struct nls_table *nls;
int ret, len;
strcpy(codebuf, name);
codepage=codebuf+strlen(NLS_NVRAM_U2C);
if((xfrstr=strchr(codepage, '_')))
{
*xfrstr=NULL;
xfrstr++;
nls=load_nls(codepage);
if(!nls)
{
printk("NLS table is null!!\n");
}
else {
len = 0;
//if (ret=utf8_mbstowcs(unibuf, xfrstr, strlen(xfrstr)))
if (ret=utf8s_to_utf16s(xfrstr, strlen(xfrstr), unibuf))
{
int i;
for (i = 0; (i < ret) && unibuf[i]; i++) {
int charlen;
charlen = nls->uni2char(unibuf[i], &name[len], NLS_MAX_CHARSET_SIZE);
if (charlen > 0) {
len += charlen;
}
else {
strcpy(name, "");
unload_nls(nls);
return;
}
}
name[len] = 0;
}
unload_nls(nls);
if(!len)
{
printk("can not xfr from utf8 to %s\n", codepage);
strcpy(name, "");
}
}
}
else
{
strcpy(name, "");
}
#endif
}
/*
* NAME: cifs_strtoUTF16()
*
* FUNCTION: Convert character string to unicode string
*
*/
int
cifs_strtoUTF16(__le16 *to, const char *from, int len,
const struct nls_table *codepage)
{
int charlen;
int i;
wchar_t wchar_to; /* needed to quiet sparse */
/* special case for utf8 to handle no plane0 chars */
if (!strcmp(codepage->charset, "utf8")) {
/*
* convert utf8 -> utf16, we assume we have enough space
* as caller should have assumed conversion does not overflow
* in destination len is length in wchar_t units (16bits)
*/
i = utf8s_to_utf16s(from, len, UTF16_LITTLE_ENDIAN,
(wchar_t *) to, len);
/* if success terminate and exit */
if (i >= 0)
goto success;
/*
* if fails fall back to UCS encoding as this
* function should not return negative values
* currently can fail only if source contains
* invalid encoded characters
*/
}
for (i = 0; len && *from; i++, from += charlen, len -= charlen) {
charlen = codepage->char2uni(from, len, &wchar_to);
if (charlen < 1) {
cifs_dbg(VFS, "strtoUTF16: char2uni of 0x%x returned %d\n",
*from, charlen);
/* A question mark */
wchar_to = 0x003f;
charlen = 1;
}
put_unaligned_le16(wchar_to, &to[i]);
}
success:
put_unaligned_le16(0, &to[i]);
return i;
}
/*
* NAME: cifs_strtoUTF16()
*
* FUNCTION: Convert character string to unicode string
*
*/
int
cifs_strtoUTF16(__le16 *to, const char *from, int len,
const struct nls_table *codepage)
{
int charlen;
int i;
wchar_t wchar_to; /* needed to quiet sparse */
if (!strcmp(codepage->charset, "utf8")) {
i = utf8s_to_utf16s(from, len, UTF16_LITTLE_ENDIAN,
(wchar_t *) to, len);
if (i >= 0)
goto success;
}
for (i = 0; len && *from; i++, from += charlen, len -= charlen) {
charlen = codepage->char2uni(from, len, &wchar_to);
if (charlen < 1) {
cERROR(1, "strtoUTF16: char2uni of 0x%x returned %d",
*from, charlen);
/* A question mark */
wchar_to = 0x003f;
charlen = 1;
}
put_unaligned_le16(wchar_to, &to[i]);
}
success:
put_unaligned_le16(0, &to[i]);
return i;
}
static void
kvp_respond_to_host(struct hv_kvp_msg *msg_to_host, int error)
{
struct hv_kvp_msg *kvp_msg;
struct hv_kvp_exchg_msg_value *kvp_data;
char *key_name;
char *value;
struct icmsg_hdr *icmsghdrp;
int keylen = 0;
int valuelen = 0;
u32 buf_len;
struct vmbus_channel *channel;
u64 req_id;
int ret;
/*
* If a transaction is not active; log and return.
*/
if (!kvp_transaction.active) {
/*
* This is a spurious call!
*/
pr_warn("KVP: Transaction not active\n");
return;
}
/*
* Copy the global state for completing the transaction. Note that
* only one transaction can be active at a time.
*/
buf_len = kvp_transaction.recv_len;
channel = kvp_transaction.recv_channel;
req_id = kvp_transaction.recv_req_id;
kvp_transaction.active = false;
icmsghdrp = (struct icmsg_hdr *)
&recv_buffer[sizeof(struct vmbuspipe_hdr)];
if (channel->onchannel_callback == NULL)
/*
* We have raced with util driver being unloaded;
* silently return.
*/
return;
icmsghdrp->status = error;
/*
* If the error parameter is set, terminate the host's enumeration
* on this pool.
*/
if (error) {
/*
* Something failed or we have timedout;
* terminate the current host-side iteration.
*/
goto response_done;
}
kvp_msg = (struct hv_kvp_msg *)
&recv_buffer[sizeof(struct vmbuspipe_hdr) +
sizeof(struct icmsg_hdr)];
switch (kvp_transaction.kvp_msg->kvp_hdr.operation) {
case KVP_OP_GET_IP_INFO:
ret = process_ob_ipinfo(msg_to_host,
(struct hv_kvp_ip_msg *)kvp_msg,
KVP_OP_GET_IP_INFO);
if (ret < 0)
icmsghdrp->status = HV_E_FAIL;
goto response_done;
case KVP_OP_SET_IP_INFO:
goto response_done;
case KVP_OP_GET:
kvp_data = &kvp_msg->body.kvp_get.data;
goto copy_value;
case KVP_OP_SET:
case KVP_OP_DELETE:
goto response_done;
default:
break;
}
kvp_data = &kvp_msg->body.kvp_enum_data.data;
key_name = msg_to_host->body.kvp_enum_data.data.key;
/*
* The windows host expects the key/value pair to be encoded
* in utf16. Ensure that the key/value size reported to the host
* will be less than or equal to the MAX size (including the
* terminating character).
*/
keylen = utf8s_to_utf16s(key_name, strlen(key_name), UTF16_HOST_ENDIAN,
(wchar_t *) kvp_data->key,
(HV_KVP_EXCHANGE_MAX_KEY_SIZE / 2) - 2);
kvp_data->key_size = 2*(keylen + 1); /* utf16 encoding */
copy_value:
value = msg_to_host->body.kvp_enum_data.data.value;
valuelen = utf8s_to_utf16s(value, strlen(value), UTF16_HOST_ENDIAN,
(wchar_t *) kvp_data->value,
(HV_KVP_EXCHANGE_MAX_VALUE_SIZE / 2) - 2);
kvp_data->value_size = 2*(valuelen + 1); /* utf16 encoding */
/*
* If the utf8s to utf16s conversion failed; notify host
* of the error.
*/
if ((keylen < 0) || (valuelen < 0))
icmsghdrp->status = HV_E_FAIL;
kvp_data->value_type = REG_SZ; /* all our values are strings */
response_done:
icmsghdrp->icflags = ICMSGHDRFLAG_TRANSACTION | ICMSGHDRFLAG_RESPONSE;
vmbus_sendpacket(channel, recv_buffer, buf_len, req_id,
VM_PKT_DATA_INBAND, 0);
poll_channel(channel);
}
/*
* Convert 16 bit Unicode pathname to wire format from string in current code
* page. Conversion may involve remapping up the six characters that are
* only legal in POSIX-like OS (if they are present in the string). Path
* names are little endian 16 bit Unicode on the wire
*/
int
cifsConvertToUTF16(__le16 *target, const char *source, int srclen,
const struct nls_table *cp, int map_chars)
{
int i, charlen;
int j = 0;
char src_char;
__le16 dst_char;
wchar_t tmp;
wchar_t *wchar_to; /* UTF-16 */
int ret;
unicode_t u;
if (map_chars == NO_MAP_UNI_RSVD)
return cifs_strtoUTF16(target, source, PATH_MAX, cp);
wchar_to = kzalloc(6, GFP_KERNEL);
for (i = 0; i < srclen; j++) {
src_char = source[i];
charlen = 1;
/* check if end of string */
if (src_char == 0)
goto ctoUTF16_out;
/* see if we must remap this char */
if (map_chars == SFU_MAP_UNI_RSVD)
dst_char = convert_to_sfu_char(src_char);
else if (map_chars == SFM_MAP_UNI_RSVD) {
bool end_of_string;
if (i == srclen - 1)
end_of_string = true;
else
end_of_string = false;
dst_char = convert_to_sfm_char(src_char, end_of_string);
} else
dst_char = 0;
/*
* FIXME: We can not handle remapping backslash (UNI_SLASH)
* until all the calls to build_path_from_dentry are modified,
* as they use backslash as separator.
*/
if (dst_char == 0) {
charlen = cp->char2uni(source + i, srclen - i, &tmp);
dst_char = cpu_to_le16(tmp);
/*
* if no match, use question mark, which at least in
* some cases serves as wild card
*/
if (charlen > 0)
goto ctoUTF16;
/* convert SURROGATE_PAIR */
if (strcmp(cp->charset, "utf8") || !wchar_to)
goto unknown;
if (*(source + i) & 0x80) {
charlen = utf8_to_utf32(source + i, 6, &u);
if (charlen < 0)
goto unknown;
} else
goto unknown;
ret = utf8s_to_utf16s(source + i, charlen,
UTF16_LITTLE_ENDIAN,
wchar_to, 6);
if (ret < 0)
goto unknown;
i += charlen;
dst_char = cpu_to_le16(*wchar_to);
if (charlen <= 3)
/* 1-3bytes UTF-8 to 2bytes UTF-16 */
put_unaligned(dst_char, &target[j]);
else if (charlen == 4) {
/* 4bytes UTF-8(surrogate pair) to 4bytes UTF-16
* 7-8bytes UTF-8(IVS) divided to 2 UTF-16
* (charlen=3+4 or 4+4) */
put_unaligned(dst_char, &target[j]);
dst_char = cpu_to_le16(*(wchar_to + 1));
j++;
put_unaligned(dst_char, &target[j]);
} else if (charlen >= 5) {
/* 5-6bytes UTF-8 to 6bytes UTF-16 */
put_unaligned(dst_char, &target[j]);
dst_char = cpu_to_le16(*(wchar_to + 1));
j++;
put_unaligned(dst_char, &target[j]);
dst_char = cpu_to_le16(*(wchar_to + 2));
j++;
put_unaligned(dst_char, &target[j]);
}
continue;
unknown:
dst_char = cpu_to_le16(0x003f);
charlen = 1;
}
ctoUTF16:
/*
* character may take more than one byte in the source string,
* but will take exactly two bytes in the target string
*/
i += charlen;
put_unaligned(dst_char, &target[j]);
}
ctoUTF16_out:
put_unaligned(0, &target[j]); /* Null terminate target unicode string */
kfree(wchar_to);
return j;
}
static void
kvp_respond_to_host(char *key, char *value, int error)
{
struct hv_kvp_msg *kvp_msg;
struct hv_kvp_msg_enumerate *kvp_data;
char *key_name;
struct icmsg_hdr *icmsghdrp;
int keylen, valuelen;
u32 buf_len;
struct vmbus_channel *channel;
u64 req_id;
/*
* If a transaction is not active; log and return.
*/
if (!kvp_transaction.active) {
/*
* This is a spurious call!
*/
pr_warn("KVP: Transaction not active\n");
return;
}
/*
* Copy the global state for completing the transaction. Note that
* only one transaction can be active at a time.
*/
buf_len = kvp_transaction.recv_len;
channel = kvp_transaction.recv_channel;
req_id = kvp_transaction.recv_req_id;
kvp_transaction.active = false;
if (channel->onchannel_callback == NULL)
/*
* We have raced with util driver being unloaded;
* silently return.
*/
return;
icmsghdrp = (struct icmsg_hdr *)
&recv_buffer[sizeof(struct vmbuspipe_hdr)];
kvp_msg = (struct hv_kvp_msg *)
&recv_buffer[sizeof(struct vmbuspipe_hdr) +
sizeof(struct icmsg_hdr)];
kvp_data = &kvp_msg->kvp_data;
key_name = key;
/*
* If the error parameter is set, terminate the host's enumeration.
*/
if (error) {
/*
* We don't support this index or the we have timedout;
* terminate the host-side iteration by returning an error.
*/
icmsghdrp->status = HV_E_FAIL;
goto response_done;
}
/*
* The windows host expects the key/value pair to be encoded
* in utf16.
*/
keylen = utf8s_to_utf16s(key_name, strlen(key_name),
(wchar_t *)kvp_data->data.key);
kvp_data->data.key_size = 2*(keylen + 1); /* utf16 encoding */
valuelen = utf8s_to_utf16s(value, strlen(value),
(wchar_t *)kvp_data->data.value);
kvp_data->data.value_size = 2*(valuelen + 1); /* utf16 encoding */
kvp_data->data.value_type = REG_SZ; /* all our values are strings */
icmsghdrp->status = HV_S_OK;
response_done:
icmsghdrp->icflags = ICMSGHDRFLAG_TRANSACTION | ICMSGHDRFLAG_RESPONSE;
vmbus_sendpacket(channel, recv_buffer, buf_len, req_id,
VM_PKT_DATA_INBAND, 0);
}
void nls_cstring_to_uniname(struct super_block *sb, UNI_NAME_T *p_uniname, u8 *p_cstring, s32 *p_lossy)
{
int i, j, lossy = FALSE;
u8 *end_of_name;
u8 upname[MAX_NAME_LENGTH * 2];
u16 *uniname = p_uniname->name;
struct nls_table *nls = EXFAT_SB(sb)->nls_io;
/* strip all trailing spaces */
end_of_name = p_cstring + strlen((char *) p_cstring);
while (*(--end_of_name) == ' ') {
if (end_of_name < p_cstring)
break;
}
*(++end_of_name) = '\0';
if (strcmp((char *) p_cstring, ".") && strcmp((char *) p_cstring, "..")) {
/* strip all trailing periods */
while (*(--end_of_name) == '.') {
if (end_of_name < p_cstring)
break;
}
*(++end_of_name) = '\0';
}
if (*p_cstring == '\0')
lossy = TRUE;
if (nls == NULL) {
#if LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0)
i = utf8s_to_utf16s(p_cstring, MAX_NAME_LENGTH, uniname);
#else
i = utf8s_to_utf16s(p_cstring, MAX_NAME_LENGTH, UTF16_HOST_ENDIAN, uniname, MAX_NAME_LENGTH);
#endif
for (j = 0; j < i; j++)
SET16_A(upname + j * 2, nls_upper(sb, uniname[j]));
uniname[i] = '\0';
}
else {
i = j = 0;
while (j < (MAX_NAME_LENGTH-1)) {
if (*(p_cstring+i) == '\0')
break;
i += convert_ch_to_uni(nls, uniname, (u8 *)(p_cstring+i), &lossy);
if ((*uniname < 0x0020) || nls_wstrchr(bad_uni_chars, *uniname))
lossy = TRUE;
SET16_A(upname + j * 2, nls_upper(sb, *uniname));
uniname++;
j++;
}
if (*(p_cstring+i) != '\0')
lossy = TRUE;
*uniname = (u16) '\0';
}
p_uniname->name_len = j;
p_uniname->name_hash = calc_checksum_2byte((void *) upname, j<<1, 0, CS_DEFAULT);
if (p_lossy != NULL)
*p_lossy = lossy;
} /* end of nls_cstring_to_uniname */
static int process_ob_ipinfo(void *in_msg, void *out_msg, int op)
{
struct hv_kvp_msg *in = in_msg;
struct hv_kvp_ip_msg *out = out_msg;
int len;
switch (op) {
case KVP_OP_GET_IP_INFO:
/*
* Transform all parameters into utf16 encoding.
*/
#if defined(RHEL_RELEASE_UPDATE_CODE) && \
(RHEL_RELEASE_UPDATE_CODE < RHEL_RELEASE_UPDATE_VERSION(6, 4, 358, 18))
len = utf8s_to_utf16s((char *)in->body.kvp_ip_val.ip_addr,
strlen((char *)in->body.kvp_ip_val.ip_addr),
(wchar_t *)out->kvp_ip_val.ip_addr);
#else
len = utf8s_to_utf16s((char *)in->body.kvp_ip_val.ip_addr,
strlen((char *)in->body.kvp_ip_val.ip_addr),
UTF16_HOST_ENDIAN,
(wchar_t *)out->kvp_ip_val.ip_addr,
MAX_IP_ADDR_SIZE);
#endif
if (len < 0)
return len;
#if defined(RHEL_RELEASE_UPDATE_CODE) && \
(RHEL_RELEASE_UPDATE_CODE < RHEL_RELEASE_UPDATE_VERSION(6, 4, 358, 18))
len = utf8s_to_utf16s((char *)in->body.kvp_ip_val.sub_net,
strlen((char *)in->body.kvp_ip_val.sub_net),
(wchar_t *)out->kvp_ip_val.sub_net);
#else
len = utf8s_to_utf16s((char *)in->body.kvp_ip_val.sub_net,
strlen((char *)in->body.kvp_ip_val.sub_net),
UTF16_HOST_ENDIAN,
(wchar_t *)out->kvp_ip_val.sub_net,
MAX_IP_ADDR_SIZE);
#endif
if (len < 0)
return len;
#if defined(RHEL_RELEASE_UPDATE_CODE) && \
(RHEL_RELEASE_UPDATE_CODE < RHEL_RELEASE_UPDATE_VERSION(6, 4, 358, 18))
len = utf8s_to_utf16s((char *)in->body.kvp_ip_val.gate_way,
strlen((char *)in->body.kvp_ip_val.gate_way),
(wchar_t *)out->kvp_ip_val.gate_way);
#else
len = utf8s_to_utf16s((char *)in->body.kvp_ip_val.gate_way,
strlen((char *)in->body.kvp_ip_val.gate_way),
UTF16_HOST_ENDIAN,
(wchar_t *)out->kvp_ip_val.gate_way,
MAX_GATEWAY_SIZE);
#endif
if (len < 0)
return len;
#if defined(RHEL_RELEASE_UPDATE_CODE) && \
(RHEL_RELEASE_UPDATE_CODE < RHEL_RELEASE_UPDATE_VERSION(6, 4, 358, 18))
len = utf8s_to_utf16s((char *)in->body.kvp_ip_val.dns_addr,
strlen((char *)in->body.kvp_ip_val.dns_addr),
(wchar_t *)out->kvp_ip_val.dns_addr);
#else
len = utf8s_to_utf16s((char *)in->body.kvp_ip_val.dns_addr,
strlen((char *)in->body.kvp_ip_val.dns_addr),
UTF16_HOST_ENDIAN,
(wchar_t *)out->kvp_ip_val.dns_addr,
MAX_IP_ADDR_SIZE);
#endif
if (len < 0)
return len;
#if defined(RHEL_RELEASE_UPDATE_CODE) && \
(RHEL_RELEASE_UPDATE_CODE < RHEL_RELEASE_UPDATE_VERSION(6, 4, 358, 18))
len = utf8s_to_utf16s((char *)in->body.kvp_ip_val.adapter_id,
strlen((char *)in->body.kvp_ip_val.adapter_id),
(wchar_t *)out->kvp_ip_val.adapter_id);
#else
len = utf8s_to_utf16s((char *)in->body.kvp_ip_val.adapter_id,
strlen((char *)in->body.kvp_ip_val.adapter_id),
UTF16_HOST_ENDIAN,
(wchar_t *)out->kvp_ip_val.adapter_id,
MAX_IP_ADDR_SIZE);
#endif
if (len < 0)
return len;
out->kvp_ip_val.dhcp_enabled =
in->body.kvp_ip_val.dhcp_enabled;
out->kvp_ip_val.addr_family =
in->body.kvp_ip_val.addr_family;
}
return 0;
}
