[CIFS] Add missing defines for DFS
Also has minor cleanup of previous patch CC: Igor Mammedov <niallain@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
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@ -1904,6 +1904,15 @@ typedef struct smb_com_transaction2_get_dfs_refer_req {
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char RequestFileName[1];
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} __attribute__((packed)) TRANSACTION2_GET_DFS_REFER_REQ;
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#define DFS_VERSION cpu_to_le16(0x0003)
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/* DFS server target type */
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#define DFS_TYPE_LINK 0x0000 /* also for sysvol targets */
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#define DFS_TYPE_ROOT 0x0001
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/* Referral Entry Flags */
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#define DFS_NAME_LIST_REF 0x0200
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typedef struct dfs_referral_level_3 {
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__le16 VersionNumber;
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__le16 Size;
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@ -107,6 +107,7 @@ cifs_strncpy_to_host(char **dst, const char *src, const int maxlen,
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strncpy(*dst, src, plen);
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}
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(*dst)[plen] = 0;
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(*dst)[plen+1] = 0; /* harmless for ASCII case, needed for Unicode */
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return 0;
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cifs_strncpy_to_host_ErrExit:
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@ -3907,7 +3908,7 @@ GetInodeNumOut:
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* on failure - errno
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*/
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static int
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parse_DFS_REFERRALS(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr,
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parse_DFS_referrals(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr,
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unsigned int *num_of_nodes,
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struct dfs_info3_param **target_nodes,
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const struct nls_table *nls_codepage)
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@ -3924,7 +3925,7 @@ parse_DFS_REFERRALS(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr,
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cERROR(1, ("num_referrals: must be at least > 0,"
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"but we get num_referrals = %d\n", *num_of_nodes));
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rc = -EINVAL;
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goto parse_DFS_REFERRALS_exit;
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goto parse_DFS_referrals_exit;
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}
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ref = (struct dfs_referral_level_3 *) &(pSMBr->referrals);
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@ -3932,7 +3933,7 @@ parse_DFS_REFERRALS(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr,
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cERROR(1, ("Referrals of V%d version are not supported,"
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"should be V3", ref->VersionNumber));
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rc = -EINVAL;
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goto parse_DFS_REFERRALS_exit;
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goto parse_DFS_referrals_exit;
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}
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/* get the upper boundary of the resp buffer */
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@ -3948,7 +3949,7 @@ parse_DFS_REFERRALS(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr,
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if (*target_nodes == NULL) {
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cERROR(1, ("Failed to allocate buffer for target_nodes\n"));
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rc = -ENOMEM;
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goto parse_DFS_REFERRALS_exit;
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goto parse_DFS_referrals_exit;
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}
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/* collect neccessary data from referrals */
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@ -3968,7 +3969,7 @@ parse_DFS_REFERRALS(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr,
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rc = cifs_strncpy_to_host(&(node->path_name), temp,
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max_len, is_unicode, nls_codepage);
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if (rc)
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goto parse_DFS_REFERRALS_exit;
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goto parse_DFS_referrals_exit;
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/* copy link target UNC */
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temp = (char *)ref + le16_to_cpu(ref->NetworkAddressOffset);
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@ -3976,12 +3977,12 @@ parse_DFS_REFERRALS(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr,
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rc = cifs_strncpy_to_host(&(node->node_name), temp,
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max_len, is_unicode, nls_codepage);
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if (rc)
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goto parse_DFS_REFERRALS_exit;
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goto parse_DFS_referrals_exit;
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ref += ref->Size;
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}
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parse_DFS_REFERRALS_exit:
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parse_DFS_referrals_exit:
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if (rc) {
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free_dfs_info_array(*target_nodes, *num_of_nodes);
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*target_nodes = NULL;
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@ -4090,7 +4091,7 @@ getDFSRetry:
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le16_to_cpu(pSMBr->t2.DataOffset)));
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/* parse returned result into more usable form */
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rc = parse_DFS_REFERRALS(pSMBr, num_of_nodes,
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rc = parse_DFS_referrals(pSMBr, num_of_nodes,
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target_nodes, nls_codepage);
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GetDFSRefExit:
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