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61 lines
2.1 KiB
61 lines
2.1 KiB
/* SPDX-License-Identifier: LGPL-2.1 */ |
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/* |
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* |
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* Protocol Data Unit definitions for RFC 1001/1002 support |
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* |
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* Copyright (c) International Business Machines Corp., 2004 |
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* Author(s): Steve French ([email protected]) |
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* |
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*/ |
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/* NB: unlike smb/cifs packets, the RFC1002 structures are big endian */ |
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/* RFC 1002 session packet types */ |
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#define RFC1002_SESSION_MESSAGE 0x00 |
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#define RFC1002_SESSION_REQUEST 0x81 |
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#define RFC1002_POSITIVE_SESSION_RESPONSE 0x82 |
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#define RFC1002_NEGATIVE_SESSION_RESPONSE 0x83 |
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#define RFC1002_RETARGET_SESSION_RESPONSE 0x84 |
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#define RFC1002_SESSION_KEEP_ALIVE 0x85 |
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/* RFC 1002 flags (only one defined */ |
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#define RFC1002_LENGTH_EXTEND 0x80 /* high order bit of length (ie +64K) */ |
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struct rfc1002_session_packet { |
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__u8 type; |
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__u8 flags; |
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__u16 length; |
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union { |
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struct { |
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__u8 called_len; |
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__u8 called_name[32]; |
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__u8 scope1; /* null */ |
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__u8 calling_len; |
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__u8 calling_name[32]; |
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__u8 scope2; /* null */ |
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} __attribute__((packed)) session_req; |
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struct { |
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__u32 retarget_ip_addr; |
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__u16 port; |
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} __attribute__((packed)) retarget_resp; |
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__u8 neg_ses_resp_error_code; |
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/* POSITIVE_SESSION_RESPONSE packet does not include trailer. |
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SESSION_KEEP_ALIVE packet also does not include a trailer. |
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Trailer for the SESSION_MESSAGE packet is SMB/CIFS header */ |
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} __attribute__((packed)) trailer; |
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} __attribute__((packed)); |
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/* Negative Session Response error codes */ |
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#define RFC1002_NOT_LISTENING_CALLED 0x80 /* not listening on called name */ |
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#define RFC1002_NOT_LISTENING_CALLING 0x81 /* not listening on calling name */ |
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#define RFC1002_NOT_PRESENT 0x82 /* called name not present */ |
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#define RFC1002_INSUFFICIENT_RESOURCE 0x83 |
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#define RFC1002_UNSPECIFIED_ERROR 0x8F |
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/* RFC 1002 Datagram service packets are not defined here as they |
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are not needed for the network filesystem client unless we plan on |
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implementing broadcast resolution of the server ip address (from |
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server netbios name). Currently server names are resolved only via DNS |
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(tcp name) or ip address or an /etc/hosts equivalent mapping to ip address.*/ |
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#define DEFAULT_CIFS_CALLED_NAME "*SMBSERVER "
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