Signed-off-by: Pavel Shilovsky <pshilovsky@xxxxxxxxx> --- fs/cifs/cifsglob.h | 8 ++++++-- fs/cifs/cifsproto.h | 5 ++--- fs/cifs/cifssmb.c | 4 ++-- fs/cifs/connect.c | 18 ++++++------------ fs/cifs/sess.c | 2 +- fs/cifs/smb1ops.c | 23 +++++++++++++++++++++++ 6 files changed, 40 insertions(+), 20 deletions(-) diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index b0afcb6..30fe2ac 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -192,6 +192,10 @@ struct smb_version_operations { /* process transaction2 response */ bool (*check_trans2)(struct mid_q_entry *, struct TCP_Server_Info *, char *, int); + /* check if we need to negotiate */ + bool (*need_neg)(struct TCP_Server_Info *); + /* negotiate to the server */ + int (*negotiate)(const int, struct cifs_ses *); }; struct smb_version_values { @@ -324,7 +328,7 @@ struct TCP_Server_Info { struct mutex srv_mutex; struct task_struct *tsk; char server_GUID[16]; - char sec_mode; + __u16 sec_mode; bool session_estab; /* mark when very first sess is established */ u16 dialect; /* dialect index that server chose */ enum securityEnum secType; @@ -477,7 +481,7 @@ struct cifs_ses { char *serverOS; /* name of operating system underlying server */ char *serverNOS; /* name of network operating system of server */ char *serverDomain; /* security realm of server */ - int Suid; /* remote smb uid */ + __u64 Suid; /* remote smb uid */ uid_t linux_uid; /* overriding owner of files on the mount */ uid_t cred_uid; /* owner of credentials */ int capabilities; diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h index 41d5a76..5e8efd8 100644 --- a/fs/cifs/cifsproto.h +++ b/fs/cifs/cifsproto.h @@ -178,11 +178,10 @@ extern void cifs_dfs_release_automount_timer(void); void cifs_proc_init(void); void cifs_proc_clean(void); -extern int cifs_negotiate_protocol(unsigned int xid, - struct cifs_ses *ses); +extern int cifs_negotiate_protocol(const int xid, struct cifs_ses *ses); extern int cifs_setup_session(unsigned int xid, struct cifs_ses *ses, struct nls_table *nls_info); -extern int CIFSSMBNegotiate(unsigned int xid, struct cifs_ses *ses); +extern int CIFSSMBNegotiate(const int xid, struct cifs_ses *ses); extern int CIFSTCon(unsigned int xid, struct cifs_ses *ses, const char *tree, struct cifs_tcon *tcon, diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 65898cc..751b9c8 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -372,7 +372,7 @@ static inline void inc_rfc1001_len(void *pSMB, int count) } int -CIFSSMBNegotiate(unsigned int xid, struct cifs_ses *ses) +CIFSSMBNegotiate(const int xid, struct cifs_ses *ses) { NEGOTIATE_REQ *pSMB; NEGOTIATE_RSP *pSMBr; @@ -456,7 +456,7 @@ CIFSSMBNegotiate(unsigned int xid, struct cifs_ses *ses) rc = -EOPNOTSUPP; goto neg_err_exit; } - server->sec_mode = (__u8)le16_to_cpu(rsp->SecurityMode); + server->sec_mode = le16_to_cpu(rsp->SecurityMode); server->maxReq = min_t(unsigned int, le16_to_cpu(rsp->MaxMpxCount), cifs_max_pending); diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index dc96835..a49a2a7 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -406,7 +406,7 @@ cifs_echo_request(struct work_struct *work) * done, which is indicated by maxBuf != 0. Also, no need to ping if * we got a response recently */ - if (server->maxBuf == 0 || + if (S_OP(server, need_neg, false, server) || time_before(jiffies, server->lstrp + SMB_ECHO_INTERVAL - HZ)) goto requeue_echo; @@ -3939,24 +3939,19 @@ cifs_umount(struct cifs_sb_info *cifs_sb) kfree(cifs_sb); } -int cifs_negotiate_protocol(unsigned int xid, struct cifs_ses *ses) +int +cifs_negotiate_protocol(const int xid, struct cifs_ses *ses) { int rc = 0; struct TCP_Server_Info *server = ses->server; /* only send once per connect */ - if (server->maxBuf != 0) + if (!S_OP(server, need_neg, false, server)) return 0; set_credits(server, 1); - rc = CIFSSMBNegotiate(xid, ses); - if (rc == -EAGAIN) { - /* retry only once on 1st time connection */ - set_credits(server, 1); - rc = CIFSSMBNegotiate(xid, ses); - if (rc == -EAGAIN) - rc = -EHOSTDOWN; - } + + rc = S_OP(server, negotiate, -ENOSYS, xid, ses); if (rc == 0) { spin_lock(&GlobalMid_Lock); if (server->tcpStatus == CifsNeedNegotiate) @@ -3964,7 +3959,6 @@ int cifs_negotiate_protocol(unsigned int xid, struct cifs_ses *ses) else rc = -EHOSTDOWN; spin_unlock(&GlobalMid_Lock); - } return rc; diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c index 551d0c2..f88fa4d 100644 --- a/fs/cifs/sess.c +++ b/fs/cifs/sess.c @@ -898,7 +898,7 @@ ssetup_ntlmssp_authenticate: if (action & GUEST_LOGIN) cFYI(1, "Guest login"); /* BB mark SesInfo struct? */ ses->Suid = smb_buf->Uid; /* UID left in wire format (le) */ - cFYI(1, "UID = %d ", ses->Suid); + cFYI(1, "UID = %llu ", ses->Suid); /* response can have either 3 or 4 word count - Samba sends 3 */ /* and lanman response is 3 */ bytes_remaining = get_bcc(smb_buf); diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c index f4f8394..5bfc26a 100644 --- a/fs/cifs/smb1ops.c +++ b/fs/cifs/smb1ops.c @@ -389,6 +389,27 @@ cifs_check_trans2(struct mid_q_entry *mid, struct TCP_Server_Info *server, return true; } +static bool +cifs_need_neg(struct TCP_Server_Info *server) +{ + return server->maxBuf == 0; +} + +static int +cifs_negotiate(const int xid, struct cifs_ses *ses) +{ + int rc; + rc = CIFSSMBNegotiate(xid, ses); + if (rc == -EAGAIN) { + /* retry only once on 1st time connection */ + set_credits(ses->server, 1); + rc = CIFSSMBNegotiate(xid, ses); + if (rc == -EAGAIN) + rc = -EHOSTDOWN; + } + return rc; +} + struct smb_version_operations smb1_operations = { .send_cancel = send_nt_cancel, .compare_fids = cifs_compare_fids, @@ -407,6 +428,8 @@ struct smb_version_operations smb1_operations = { .dump_detail = cifs_dump_detail, .is_oplock_break = is_valid_oplock_break, .check_trans2 = cifs_check_trans2, + .need_neg = cifs_need_neg, + .negotiate = cifs_negotiate, }; struct smb_version_values smb1_values = { -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-cifs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html