diff options
| -rw-r--r-- | fs/cifs/connect.c | 11 | ||||
| -rw-r--r-- | fs/cifs/smb1ops.c | 1 | ||||
| -rw-r--r-- | fs/cifs/smb2pdu.h | 1 |
3 files changed, 11 insertions, 2 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 8dd6637a3cbb..51f272377ae1 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -2544,8 +2544,15 @@ static int match_server(struct TCP_Server_Info *server, struct smb_vol *vol) if (vol->nosharesock) return 0; - /* BB update this for smb3any and default case */ - if ((server->vals != vol->vals) || (server->ops != vol->ops)) + /* If multidialect negotiation see if existing sessions match one */ + if (strcmp(vol->vals->version_string, SMB3ANY_VERSION_STRING) == 0) { + if (server->vals->protocol_id < SMB30_PROT_ID) + return 0; + } else if (strcmp(vol->vals->version_string, + SMBDEFAULT_VERSION_STRING) == 0) { + if (server->vals->protocol_id < SMB21_PROT_ID) + return 0; + } else if ((server->vals != vol->vals) || (server->ops != vol->ops)) return 0; if (!net_eq(cifs_net_ns(server), current->nsproxy->net_ns)) diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c index 9e430ae9314f..88ab87df8b3b 100644 --- a/fs/cifs/smb1ops.c +++ b/fs/cifs/smb1ops.c @@ -1233,6 +1233,7 @@ struct smb_version_operations smb1_operations = { struct smb_version_values smb1_values = { .version_string = SMB1_VERSION_STRING, + .protocol_id = SMB10_PROT_ID, .large_lock_type = LOCKING_ANDX_LARGE_FILES, .exclusive_lock_type = 0, .shared_lock_type = LOCKING_ANDX_SHARED_LOCK, diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h index c09d9244b728..fa8c12a21f1b 100644 --- a/fs/cifs/smb2pdu.h +++ b/fs/cifs/smb2pdu.h @@ -227,6 +227,7 @@ struct smb2_negotiate_req { } __packed; /* Dialects */ +#define SMB10_PROT_ID 0x0000 /* local only, not sent on wire w/CIFS negprot */ #define SMB20_PROT_ID 0x0202 #define SMB21_PROT_ID 0x0210 #define SMB30_PROT_ID 0x0300 |