SMB_Open_ANDX support - Open a file for reading...
This commit is contained in:
Christopher Shepherd
parent
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@ -1,6 +1,6 @@
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CIFS / SMB2 navel gazing, in 65816 assembly.
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5/24/2015 - Current status: Connects on port 445, completes Protocol Negotiation, successfully sends login (on Setup_ANDX message), obsolete LM (DES) style password. sends successful Tree_ANDX message, thus connecting to a remote share.
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5/24/2015 - Current status: Connects on port 445, completes Protocol Negotiation, successfully sends login (on Setup_ANDX message), obsolete LM (DES) style password. Sends successful Tree_ANDX message, thus connecting to a remote share. Sends Open_ANDX message message, opening a file.
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Build 'CMD.S' with Merlin32 and the included Library directory.
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215
src/SMBDEMO.S
215
src/SMBDEMO.S
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@ -8,6 +8,7 @@
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* Saturday, May 9, 2015 - Receive and interpret NEG_PROT reply and start login
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* Sunday, May 24, 2015 - Some bugfixes, Tool128 and Tool129 requirement for hashing and DES, LM password hashing support
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* Also introducing successful SMB_Tree_ANDX message. We connect to remote shares now.
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* Also introducing SMB_Open_ANDX message. We open a file now.
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*
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* REFERENCES
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* smb.c / smb.h from libOGC
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@ -689,7 +690,7 @@ noevent4 PushLong MySMBHandle
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jsr SMB_Setup_Poll
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pla ; get negotiation status
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bcc sendloop3
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;
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; SMB_Tree_ANDX
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;
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@ -722,7 +723,39 @@ noevent5 PushLong MySMBHandle
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jsr SMB_TreeX_Poll
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pla
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bcc sendloop4
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;
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; SMB_OpenFile
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;
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openf PushLong CTSWinPtr
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PushWord #1350
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PushLong #CTSTextC
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_SetIText
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PushLong MySMBHandle
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PushLong #SMB_target_file
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jsr SMB_OpenFile
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sendloop5 PushWord #0000
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PushWord #$0006
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PushLong #EventRec
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_EventAvail
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pla
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beq noevent6
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PushWord #0000
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PushLong #00000000
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_ModalDialog
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pla
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cmp #2
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bne noevent6
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jmp breakndie
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noevent6 PushLong MySMBHandle
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jsr SMB_OpenFile_Poll
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bcc sendloop5
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breakndie
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jmp SMB_staging_brk
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;
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@ -946,6 +979,7 @@ CTSText9 str 'Status: Connected, CIFS negotiating'
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CTSTextA str 'Status: Connect Failed'
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CTSTextB str 'Status: Logging In'
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CTSTextC str 'Status: Mounting Share'
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CTSTextD str 'Status: Opening \\testfile'
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CTSItem6 dw 1360 ; id
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dw 77,120,87,300 ; bounds
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@ -1177,6 +1211,7 @@ SMB_lm_hash ds 21 ; LM Hash, actually 16 bytes but the extra zeroes make
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SMB_lm_response ds 24 ; LM Response
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SMB_target_tree asc '\\LIVINGROOM\GSFILES'00 ; remote tree to connect to
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SMB_target_svc asc '?????'00 ; service type (wildcard)
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SMB_target_file asc '\\TESTFILE'00 ; file to download
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* SMB packet staging area
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* TODO these will probably be dynamically allocated too?
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@ -1906,6 +1941,10 @@ tft_far
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cmp #0000
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bne tf_trampoline ; they returned an error, kbye
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lda SMB_input+SMB_offset_tid
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ldy #SMB_sess_tid-SMB_sess_begin
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sta [SMB_sessid],y ; save returned TID
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* TODO save remote servicetype or filesystem type?
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treex_finished plx ; our return address
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@ -1932,12 +1971,11 @@ treex_proceeding
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* Arguments:
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* SMB session handle (two words, on stack)
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* Long pointer to filename (two words, on stack)
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* Access flags (one word, on stack)
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* Creation flags (one word, on stack)
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* Things I return on stack:
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* A = SMB filehandle id
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* Carry flag set if error
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SMB_OpenFile plx ; return address
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PullLong SMB_tmp1 ; filename
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PullLong SMB_sessid
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phx ; saved return address
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@ -1946,10 +1984,179 @@ SMB_OpenFile plx ; return address
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PushWord #CIFS_flags2 ; flags2
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jsr _InitSMBHeader ; make an SMB header with this information
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* TODO
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sep $30
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mx %11
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lda #15
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sta SMB_staging+SMB_header_size ; word count
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lda #$ff
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sta SMB_staging+SMB_header_size+1 ; next AndX
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lda #$00
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sta SMB_staging+SMB_header_size+2 ; AndX Reserved
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rep $30
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mx %00
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lda #$0000
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sta SMB_staging+SMB_header_size+3 ; AndX Offset
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lda #$0000
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sta SMB_staging+SMB_header_size+5 ; Flags
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lda #SMB_open_reading
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sta SMB_staging+SMB_header_size+7 ; Access Mode
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lda #0006
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sta SMB_staging+SMB_header_size+9 ; ??
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lda #0000
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sta SMB_staging+SMB_header_size+11 ; type of file
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lda #0000
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sta SMB_staging+SMB_header_size+13 ; file attributes
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lda #0000
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sta SMB_staging+SMB_header_size+15 ; file time (don't care, let server decide)
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sta SMB_staging+SMB_header_size+17
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lda #0000
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sta SMB_staging+SMB_header_size+19 ; creation flags
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lda #0000
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sta SMB_staging+SMB_header_size+21 ; creation flags2?
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lda #0000
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sta SMB_staging+SMB_header_size+23 ; allocation size
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sta SMB_staging+SMB_header_size+25 ; allocation size
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lda #0000
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sta SMB_staging+SMB_header_size+27 ; reserved[0] must be zero
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lda #0000
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sta SMB_staging+SMB_header_size+31 ; reserved[1] must be zero
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lda #0000
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sta SMB_staging+SMB_header_size+35 ; byte count
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lda #0004
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sta SMB_staging+SMB_header_size+37 ; BufferFormat (8-bit)
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lda #0
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sta SMB_tmp5 ; initialize pointer
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; Target File
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PushLong #SMB_tmp1 ; source
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pea #^SMB_staging ; destination
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lda #SMB_staging+SMB_header_size+38
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clc
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adc SMB_tmp5
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pha
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jsr _strcpy
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tya
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clc
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adc SMB_tmp5
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sta SMB_tmp5
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sta SMB_staging+SMB_header_size+35 ; update byte count
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clc
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adc #SMB_header_size+33
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pha ; 'length' parameter for _SMB_Send
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dec
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dec
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dec
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dec
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xba
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sta SMB_staging+SMB_offset_tcplength+1 ; save length for naked-TCP dgram
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jsr _SMB_Send ; send our reply!
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clc
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rts
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* SMB_OpenFile_Poll - Call me until I tell you to stop, to receive and complete SMB Tree_ANDX
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* Arguments:
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* SMB session handle (two words, on stack)
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* Things I return on stack:
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* Setup status (word)
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* $0000 - Setup proceeding
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* $0001 - Setup finished
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* $0002 - Setup failed
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* Carry flag set means you can stop calling me
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SMB_OpenFile_Poll
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plx ; our return address
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PullLong SMB_sessid ; your smb sessid
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phx
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_TCPIPPoll
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PushWord #0000 ; space for result
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ldy #SMB_sess_ipid-SMB_sess_begin
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lda [SMB_sessid],y
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pha ; push Marinetti IPID for this SMB_sessid
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PushLong #statbuf
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_TCPIPStatusTCP ; see if marinetti has anything for us
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pla
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cmp #terrNOCONNECTION
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beq of_trampoline
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cmp #terrBADIPID
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beq of_trampoline
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lda statbuf+8 ; get recvq size, low word
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cmp #0000 ; yeah i know. for clarity.
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beq op_trampoline ; poll us again later, marinetti got nothing
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PushWord #0000 ; space for result
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ldy #SMB_sess_ipid-SMB_sess_begin
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lda [SMB_sessid],y
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pha ; push Marinetti IPID for this SMB_sessid
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PushWord #0000 ; bufftype: static pre-allocated buffer
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PushLong #SMB_input ; where it's all goin
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PushLong #SMB_max_net_read_size
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PushLong #readbuf
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_TCPIPReadTCP
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pla
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cmp #terrNOCONNECTION
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beq of_trampoline
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cmp #terrBADIPID
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beq of_trampoline
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jsr _SMB_Check ; do basic check to make sure we received SMB data
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bcs op_trampoline ; if not, wait for them to send again i guess
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bra oft_far
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of_trampoline jmp openx_failed
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op_trampoline jmp openx_proceeding
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oft_far
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lda SMB_input+SMB_offset_cmd
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cmp #SMB_open_ANDX
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bne op_trampoline ; punt if not setup_ANDX reply
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lda SMB_input+SMB_offset_eclass
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cmp #0000
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bne of_trampoline ; they returned an error, kbye
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lda SMB_input+SMB_header_size+5 ; saved returned sfid
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openx_finished plx ; our return address
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PushWord #0001 ; finished!
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phx
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sec
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rts
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openx_failed plx ; our return address
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PushWord #0002 ; failure
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phx
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sec
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rts
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openx_proceeding
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plx ; our return address
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PushWord #0000 ; in progress
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phx
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clc
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rts
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*
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* SMB_CloseFile - Close an open file on the remote share
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* Arguments:
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BIN
src/smbdemo
BIN
src/smbdemo
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