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-rw-r--r--fs/cifs/cifspdu.h9
-rw-r--r--fs/cifs/cifssmb.c17
2 files changed, 18 insertions, 8 deletions
diff --git a/fs/cifs/cifspdu.h b/fs/cifs/cifspdu.h
index 93d5ee02a25..65d58b4e6a6 100644
--- a/fs/cifs/cifspdu.h
+++ b/fs/cifs/cifspdu.h
@@ -1904,6 +1904,15 @@ typedef struct smb_com_transaction2_get_dfs_refer_req {
char RequestFileName[1];
} __attribute__((packed)) TRANSACTION2_GET_DFS_REFER_REQ;
+#define DFS_VERSION cpu_to_le16(0x0003)
+
+/* DFS server target type */
+#define DFS_TYPE_LINK 0x0000 /* also for sysvol targets */
+#define DFS_TYPE_ROOT 0x0001
+
+/* Referral Entry Flags */
+#define DFS_NAME_LIST_REF 0x0200
+
typedef struct dfs_referral_level_3 {
__le16 VersionNumber;
__le16 Size;
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 6f8ed93a4ae..7b9938445b0 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -107,6 +107,7 @@ cifs_strncpy_to_host(char **dst, const char *src, const int maxlen,
strncpy(*dst, src, plen);
}
(*dst)[plen] = 0;
+ (*dst)[plen+1] = 0; /* harmless for ASCII case, needed for Unicode */
return 0;
cifs_strncpy_to_host_ErrExit:
@@ -3907,7 +3908,7 @@ GetInodeNumOut:
* on failure - errno
*/
static int
-parse_DFS_REFERRALS(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr,
+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)
@@ -3924,7 +3925,7 @@ parse_DFS_REFERRALS(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr,
cERROR(1, ("num_referrals: must be at least > 0,"
"but we get num_referrals = %d\n", *num_of_nodes));
rc = -EINVAL;
- goto parse_DFS_REFERRALS_exit;
+ goto parse_DFS_referrals_exit;
}
ref = (struct dfs_referral_level_3 *) &(pSMBr->referrals);
@@ -3932,7 +3933,7 @@ parse_DFS_REFERRALS(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr,
cERROR(1, ("Referrals of V%d version are not supported,"
"should be V3", ref->VersionNumber));
rc = -EINVAL;
- goto parse_DFS_REFERRALS_exit;
+ goto parse_DFS_referrals_exit;
}
/* get the upper boundary of the resp buffer */
@@ -3948,7 +3949,7 @@ parse_DFS_REFERRALS(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr,
if (*target_nodes == NULL) {
cERROR(1, ("Failed to allocate buffer for target_nodes\n"));
rc = -ENOMEM;
- goto parse_DFS_REFERRALS_exit;
+ goto parse_DFS_referrals_exit;
}
/* collect neccessary data from referrals */
@@ -3968,7 +3969,7 @@ parse_DFS_REFERRALS(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr,
rc = cifs_strncpy_to_host(&(node->path_name), temp,
max_len, is_unicode, nls_codepage);
if (rc)
- goto parse_DFS_REFERRALS_exit;
+ goto parse_DFS_referrals_exit;
/* copy link target UNC */
temp = (char *)ref + le16_to_cpu(ref->NetworkAddressOffset);
@@ -3976,12 +3977,12 @@ parse_DFS_REFERRALS(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr,
rc = cifs_strncpy_to_host(&(node->node_name), temp,
max_len, is_unicode, nls_codepage);
if (rc)
- goto parse_DFS_REFERRALS_exit;
+ goto parse_DFS_referrals_exit;
ref += ref->Size;
}
-parse_DFS_REFERRALS_exit:
+parse_DFS_referrals_exit:
if (rc) {
free_dfs_info_array(*target_nodes, *num_of_nodes);
*target_nodes = NULL;
@@ -4090,7 +4091,7 @@ getDFSRetry:
le16_to_cpu(pSMBr->t2.DataOffset)));
/* parse returned result into more usable form */
- rc = parse_DFS_REFERRALS(pSMBr, num_of_nodes,
+ rc = parse_DFS_referrals(pSMBr, num_of_nodes,
target_nodes, nls_codepage);
GetDFSRefExit: