cifs: remove never-used in6_addr option
[safe/jmp/linux-2.6] / fs / cifs / cifssmb.c
index b968e5b..b84c61d 100644 (file)
@@ -449,6 +449,14 @@ CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses)
                cFYI(1, ("Kerberos only mechanism, enable extended security"));
                pSMB->hdr.Flags2 |= SMBFLG2_EXT_SEC;
        }
+#ifdef CONFIG_CIFS_EXPERIMENTAL
+       else if ((secFlags & CIFSSEC_MUST_NTLMSSP) == CIFSSEC_MUST_NTLMSSP)
+               pSMB->hdr.Flags2 |= SMBFLG2_EXT_SEC;
+       else if ((secFlags & CIFSSEC_AUTH_MASK) == CIFSSEC_MAY_NTLMSSP) {
+               cFYI(1, ("NTLMSSP only mechanism, enable extended security"));
+               pSMB->hdr.Flags2 |= SMBFLG2_EXT_SEC;
+       }
+#endif
 
        count = 0;
        for (i = 0; i < CIFS_NUM_PROT; i++) {
@@ -516,8 +524,8 @@ CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses)
                        int val, seconds, remain, result;
                        struct timespec ts, utc;
                        utc = CURRENT_TIME;
-                       ts = cnvrtDosUnixTm(le16_to_cpu(rsp->SrvTime.Date),
-                                               le16_to_cpu(rsp->SrvTime.Time));
+                       ts = cnvrtDosUnixTm(rsp->SrvTime.Date,
+                                           rsp->SrvTime.Time, 0);
                        cFYI(1, ("SrvTime %d sec since 1970 (utc: %d) diff: %d",
                                (int)ts.tv_sec, (int)utc.tv_sec,
                                (int)(utc.tv_sec - ts.tv_sec)));
@@ -585,6 +593,8 @@ CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses)
                server->secType = NTLMv2;
        else if (secFlags & CIFSSEC_MAY_KRB5)
                server->secType = Kerberos;
+       else if (secFlags & CIFSSEC_MAY_NTLMSSP)
+               server->secType = NTLMSSP;
        else if (secFlags & CIFSSEC_MAY_LANMAN)
                server->secType = LANMAN;
 /* #ifdef CONFIG_CIFS_EXPERIMENTAL
@@ -2417,8 +2427,7 @@ querySymLinkRetry:
        params = 2 /* level */  + 4 /* rsrvd */  + name_len /* incl null */ ;
        pSMB->TotalDataCount = 0;
        pSMB->MaxParameterCount = cpu_to_le16(2);
-       /* BB find exact max data count below from sess structure BB */
-       pSMB->MaxDataCount = cpu_to_le16(4000);
+       pSMB->MaxDataCount = cpu_to_le16(CIFSMaxBufSize);
        pSMB->MaxSetupCount = 0;
        pSMB->Reserved = 0;
        pSMB->Flags = 0;
@@ -2465,7 +2474,7 @@ querySymLinkRetry:
                        /* BB FIXME investigate remapping reserved chars here */
                        *symlinkinfo = cifs_strndup_from_ucs(data_start, count,
                                                    is_unicode, nls_codepage);
-                       if (!symlinkinfo)
+                       if (!*symlinkinfo)
                                rc = -ENOMEM;
                }
        }
@@ -2564,7 +2573,6 @@ validate_ntransact(char *buf, char **ppparm, char **ppdata,
        *pparmlen = parm_count;
        return 0;
 }
-#endif /* CIFS_EXPERIMENTAL */
 
 int
 CIFSSMBQueryReparseLinkInfo(const int xid, struct cifsTconInfo *tcon,
@@ -2574,7 +2582,6 @@ CIFSSMBQueryReparseLinkInfo(const int xid, struct cifsTconInfo *tcon,
 {
        int rc = 0;
        int bytes_returned;
-       int name_len;
        struct smb_com_transaction_ioctl_req *pSMB;
        struct smb_com_transaction_ioctl_rsp *pSMBr;
 
@@ -2611,59 +2618,55 @@ CIFSSMBQueryReparseLinkInfo(const int xid, struct cifsTconInfo *tcon,
        } else {                /* decode response */
                __u32 data_offset = le32_to_cpu(pSMBr->DataOffset);
                __u32 data_count = le32_to_cpu(pSMBr->DataCount);
-               if ((pSMBr->ByteCount < 2) || (data_offset > 512))
+               if ((pSMBr->ByteCount < 2) || (data_offset > 512)) {
                /* BB also check enough total bytes returned */
                        rc = -EIO;      /* bad smb */
-               else {
-                       if (data_count && (data_count < 2048)) {
-                               char *end_of_smb = 2 /* sizeof byte count */ +
-                                               pSMBr->ByteCount +
-                                               (char *)&pSMBr->ByteCount;
+                       goto qreparse_out;
+               }
+               if (data_count && (data_count < 2048)) {
+                       char *end_of_smb = 2 /* sizeof byte count */ +
+                               pSMBr->ByteCount + (char *)&pSMBr->ByteCount;
 
-                               struct reparse_data *reparse_buf =
+                       struct reparse_data *reparse_buf =
                                                (struct reparse_data *)
                                                ((char *)&pSMBr->hdr.Protocol
                                                                 + data_offset);
-                               if ((char *)reparse_buf >= end_of_smb) {
-                                       rc = -EIO;
-                                       goto qreparse_out;
-                               }
-                               if ((reparse_buf->LinkNamesBuf +
-                                       reparse_buf->TargetNameOffset +
-                                       reparse_buf->TargetNameLen) >
-                                               end_of_smb) {
-                                       cFYI(1, ("reparse buf beyond SMB"));
-                                       rc = -EIO;
-                                       goto qreparse_out;
-                               }
+                       if ((char *)reparse_buf >= end_of_smb) {
+                               rc = -EIO;
+                               goto qreparse_out;
+                       }
+                       if ((reparse_buf->LinkNamesBuf +
+                               reparse_buf->TargetNameOffset +
+                               reparse_buf->TargetNameLen) > end_of_smb) {
+                               cFYI(1, ("reparse buf beyond SMB"));
+                               rc = -EIO;
+                               goto qreparse_out;
+                       }
 
-                               if (pSMBr->hdr.Flags2 & SMBFLG2_UNICODE) {
-                                       name_len = UniStrnlen((wchar_t *)
+                       if (pSMBr->hdr.Flags2 & SMBFLG2_UNICODE) {
+                               cifs_from_ucs2(symlinkinfo, (__le16 *)
                                                (reparse_buf->LinkNamesBuf +
                                                reparse_buf->TargetNameOffset),
-                                               min(buflen/2,
-                                               reparse_buf->TargetNameLen / 2));
-                                       cifs_strfromUCS_le(symlinkinfo,
-                                               (__le16 *) (reparse_buf->LinkNamesBuf +
-                                               reparse_buf->TargetNameOffset),
-                                               name_len, nls_codepage);
-                               } else { /* ASCII names */
-                                       strncpy(symlinkinfo,
-                                               reparse_buf->LinkNamesBuf +
-                                               reparse_buf->TargetNameOffset,
-                                               min_t(const int, buflen,
-                                                  reparse_buf->TargetNameLen));
-                               }
-                       } else {
-                               rc = -EIO;
-                               cFYI(1, ("Invalid return data count on "
-                                        "get reparse info ioctl"));
+                                               buflen,
+                                               reparse_buf->TargetNameLen,
+                                               nls_codepage, 0);
+                       } else { /* ASCII names */
+                               strncpy(symlinkinfo,
+                                       reparse_buf->LinkNamesBuf +
+                                       reparse_buf->TargetNameOffset,
+                                       min_t(const int, buflen,
+                                          reparse_buf->TargetNameLen));
                        }
-                       symlinkinfo[buflen] = 0; /* just in case so the caller
-                                       does not go off the end of the buffer */
-                       cFYI(1, ("readlink result - %s", symlinkinfo));
+               } else {
+                       rc = -EIO;
+                       cFYI(1, ("Invalid return data count on "
+                                "get reparse info ioctl"));
                }
+               symlinkinfo[buflen] = 0; /* just in case so the caller
+                                       does not go off the end of the buffer */
+               cFYI(1, ("readlink result - %s", symlinkinfo));
        }
+
 qreparse_out:
        cifs_buf_release(pSMB);
 
@@ -2672,6 +2675,7 @@ qreparse_out:
 
        return rc;
 }
+#endif /* CIFS_EXPERIMENTAL */
 
 #ifdef CONFIG_CIFS_POSIX
 
@@ -3971,9 +3975,8 @@ parse_DFS_referrals(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr,
                max_len = data_end - temp;
                node->path_name = cifs_strndup_from_ucs(temp, max_len,
                                                      is_unicode, nls_codepage);
-               if (IS_ERR(node->path_name)) {
-                       rc = PTR_ERR(node->path_name);
-                       node->path_name = NULL;
+               if (!node->path_name) {
+                       rc = -ENOMEM;
                        goto parse_DFS_referrals_exit;
                }
 
@@ -3982,11 +3985,8 @@ parse_DFS_referrals(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr,
                max_len = data_end - temp;
                node->node_name = cifs_strndup_from_ucs(temp, max_len,
                                                      is_unicode, nls_codepage);
-               if (IS_ERR(node->node_name)) {
-                       rc = PTR_ERR(node->node_name);
-                       node->node_name = NULL;
-                       goto parse_DFS_referrals_exit;
-               }
+               if (!node->node_name)
+                       rc = -ENOMEM;
        }
 
 parse_DFS_referrals_exit: