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-rw-r--r--fs/cifs/cifssmb.c39
1 files changed, 36 insertions, 3 deletions
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index e6bb2d9d5b09..bdda46dd435a 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -3899,6 +3899,27 @@ GetInodeNumOut:
return rc;
}
+/* computes length of UCS string converted to host codepage
+ * @src: UCS string
+ * @maxlen: length of the input string in UCS characters
+ * (not in bytes)
+ *
+ * return: size of input string in host codepage
+ */
+static int hostlen_fromUCS(const __le16 *src, const int maxlen,
+ const struct nls_table *nls_codepage) {
+ int i;
+ int hostlen = 0;
+ char to[4];
+ int charlen;
+ for (i = 0; (i < maxlen) && src[i]; ++i) {
+ charlen = nls_codepage->uni2char(le16_to_cpu(src[i]),
+ to, NLS_MAX_CHARSET_SIZE);
+ hostlen += charlen > 0 ? charlen : 1;
+ }
+ return hostlen;
+}
+
/* parses DFS refferal V3 structure
* caller is responsible for freeing target_nodes
* returns:
@@ -3909,7 +3930,8 @@ static int
parse_DFS_referrals(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr,
unsigned int *num_of_nodes,
struct dfs_info3_param **target_nodes,
- const struct nls_table *nls_codepage)
+ const struct nls_table *nls_codepage, int remap,
+ const char *searchName)
{
int i, rc = 0;
char *data_end;
@@ -3960,7 +3982,17 @@ parse_DFS_referrals(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr,
struct dfs_info3_param *node = (*target_nodes)+i;
node->flags = le16_to_cpu(pSMBr->DFSFlags);
- node->path_consumed = le16_to_cpu(pSMBr->PathConsumed);
+ if (is_unicode) {
+ __le16 *tmp = kmalloc(strlen(searchName)*2, GFP_KERNEL);
+ cifsConvertToUCS((__le16 *) tmp, searchName,
+ PATH_MAX, nls_codepage, remap);
+ node->path_consumed = hostlen_fromUCS(tmp,
+ le16_to_cpu(pSMBr->PathConsumed)/2,
+ nls_codepage);
+ kfree(tmp);
+ } else
+ node->path_consumed = le16_to_cpu(pSMBr->PathConsumed);
+
node->server_type = le16_to_cpu(ref->ServerType);
node->ref_flag = le16_to_cpu(ref->ReferralEntryFlags);
@@ -4093,7 +4125,8 @@ getDFSRetry:
/* parse returned result into more usable form */
rc = parse_DFS_referrals(pSMBr, num_of_nodes,
- target_nodes, nls_codepage);
+ target_nodes, nls_codepage, remap,
+ searchName);
GetDFSRefExit:
cifs_buf_release(pSMB);

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