forked from KolibriOS/kolibrios
More updates and bugfixes for FTPd (net branch)
git-svn-id: svn://kolibrios.org@2610 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
parent
ea68a6e1ce
commit
02ea12584c
@ -4,9 +4,10 @@ struct thread_data
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rb 1024
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stack rb 0
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home_dir rb 1024
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work_dir rb 1024
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fpath rb 1024*3 ; Will also be used to temporarily store username
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home_dir rb 1024 ; home directory in wich the user is locked, asciiz
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work_dir rb 1024 ; working directory, must at all times begin and end with a '/', asciiz
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fpath rb 1024*3 ; file path, combination of home_dir, work_dir and filename
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; Will also be used to temporarily store username
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type db ? ; ASCII/EBDIC/IMAGE/..
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mode db ? ; active/passive
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@ -14,7 +15,7 @@ struct thread_data
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state dd ? ; disconnected/logging in/logged in/..
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passivesocknum dd ? ; when in passive mode, this is the listening socket
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datasocketnum dd ? ; socket used for data transfers
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permissions dd ?
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permissions dd ? ; read/write/execute/....
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buffer_ptr dd ?
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datasock sockaddr_in
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@ -266,6 +267,27 @@ create_path: ; combine home_dir and work_dir strings into fpath
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stosb
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ret
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align 4
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nextpasvport:
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inc [pasv_port]
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mov ax, [pasv_port]
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cmp ax, [pasv_start]
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jb .restart
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cmp ax, [pasv_end]
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ja .restart
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ret
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.restart:
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pushw [pasv_start]
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popw [pasv_port]
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ret
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;------------------------------------------------
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; "ABOR"
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;
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@ -291,29 +313,31 @@ cmdCDUP:
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test [ebp + thread_data.permissions], PERMISSION_CD
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jz permission_denied
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cmp byte [ebp + thread_data.work_dir+1], 0 ; are we in "/" ?
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je .done
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cmp byte [ebp + thread_data.work_dir+1], 0 ; are we in "/" ?
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je .done ; if so, we cant go up..
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; find the end of asciiz string work_dir
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mov ecx, 1024
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xor al, al
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lea edi, [ebp + thread_data.work_dir]
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repne scasb
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; return 2 characters (right before last /)
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sub edi, 3
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; and now search backwards, for a '/'
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mov al,'/'
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std
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neg ecx
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add ecx, 1024
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std
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repne scasb
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cld
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mov byte[edi+1], 0
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; terminate the string here
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mov byte[edi+2], 0
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.done:
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; Print the new working dir on the console
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lea eax, [ebp + thread_data.work_dir]
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push eax
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call [con_write_asciiz]
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push str_newline
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call [con_write_asciiz]
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invoke con_write_asciiz, eax
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invoke con_write_asciiz, str_newline
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sendFTP "250 Command succesul"
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ret
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@ -330,44 +354,40 @@ cmdCWD:
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test [ebp + thread_data.permissions], PERMISSION_CD
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jz permission_denied
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; do we have enough parameters?
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sub ecx, 4
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jb .err
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add esi, 4
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jbe .err
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; get ready to copy the path
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add esi, 4
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mov ecx, 1024
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lea edi, [ebp + thread_data.work_dir]
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cmp byte [esi], '/'
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je .loop
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.scan:
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lea edi, [ebp + thread_data.work_dir + 1]
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push ecx
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mov ecx, 1024
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; if received dir starts with '/', we will simply copy it
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; If not, we will append the current path with the received path.
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cmp byte [esi], '/'
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je .copyloop
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; Find the end of work_dir string.
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xor al, al
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.find_zero:
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cmp byte [edi], 0
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je .found_zero
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inc edi
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loop .find_zero
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.found_zero:
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pop ecx
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.scan2:
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repne scasb
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dec edi
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cmp byte [esi], '/'
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jne @f
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inc esi
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dec ecx
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jz .done
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@@:
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; and now append work_dir with received string
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mov ecx, 1024
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.loop:
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; scan for end byte, or '.'
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.copyloop:
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lodsb
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cmp al, 0x20
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jb .done
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cmp al, '.'
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je .up
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.continue:
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;;; cmp al, '.' ; '..' means we must go up one dir TODO
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;;; je .up
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stosb
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loop .loop
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loop .copyloop
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; now, now make sure it ends with '/', 0
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.done:
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cmp byte [edi-1], '/'
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je @f
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@ -378,24 +398,12 @@ cmdCWD:
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; Print the new working dir on the console
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lea eax, [ebp + thread_data.work_dir]
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push eax
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call [con_write_asciiz]
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push str_newline
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call [con_write_asciiz]
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invoke con_write_asciiz, eax
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invoke con_write_asciiz, str_newline
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sendFTP "250 Command succesful"
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ret
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.up:
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lodsb
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cmp al, '.'
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jne .continue
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;;;; TODO: find second last '\' in work_dir and make next char zero
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;;;; point edi to that 0
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jmp .scan2
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.err:
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sendFTP "550 Directory does not exist"
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ret
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@ -426,17 +434,44 @@ cmdLIST:
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test [ebp + thread_data.permissions], PERMISSION_EXEC
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jz permission_denied
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cmp [ebp + thread_data.mode], MODE_PASSIVE_OK
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je .start
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; If we are in active mode, it's time to open a data socket..
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cmp [ebp + thread_data.mode], MODE_ACTIVE
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jne @f
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jne .not_active
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mov ecx, [ebp + thread_data.datasocketnum]
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lea edx, [ebp + thread_data.datasock]
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mov esi, sizeof.thread_data.datasock
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mcall connect
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cmp eax, -1
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je socketerror
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@@:
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jmp .start
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; If we are still in passive_wait, it's time we accept an incomming call..
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.not_active:
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cmp [ebp + thread_data.mode], MODE_PASSIVE_WAIT
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jne socketerror
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mov [ebp + thread_data.mode], MODE_PASSIVE_FAILED ; assume that we will fail
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.try_now:
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mov ecx, [ebp + thread_data.passivesocknum]
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lea edx, [ebp + thread_data.datasock]
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mov esi, sizeof.thread_data.datasock
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mcall accept
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cmp eax, -1
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jne .pasv_ok
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mcall 23, 200
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mcall accept
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cmp eax, -1
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je socketerror
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.pasv_ok:
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mov [ebp + thread_data.datasocketnum], eax
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mov [ebp + thread_data.mode], MODE_PASSIVE_OK
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mcall close ; [ebp + thread_data.passivesocknum]
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mov [ebp + thread_data.passivesocknum], -1
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invoke con_write_asciiz, str_datasock
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.start:
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; Create fpath from home_dir and work_dir
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call create_path
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@ -606,27 +641,31 @@ cmdNOOP:
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;------------------------------------------------
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align 4
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cmdPASS:
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lea esi, [esi + 5]
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; read the password from users.ini
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lea edi, [ebp + thread_data.buffer + 512] ; temp pass
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mov byte [edi], 0
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lea ebx, [ebp + thread_data.fpath] ; temp username
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invoke ini.get_str, path2, ebx, str_pass, edi, 512, str_infinity
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test eax, eax
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test eax, eax ; unable to read password? fail!
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jnz .incorrect
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cmp dword [edi], -1
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cmp dword [edi], -1 ; no key, section or file found.. fail!
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je .incorrect
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cmp byte[edi], 0
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je .pass_ok
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cmp byte [edi], 0 ; zero password? ok!
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je .ok
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add esi, 5
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sub ecx, 5
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jbe .incorrect ; no password given? but hey, we need one! fail..
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; compare with received password
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repe cmpsb
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cmp byte [esi], 0x20
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cmp byte [esi-1], 0x20 ; printeable characters left?
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jae .incorrect
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cmp byte [edi], 0
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cmp byte [edi-1], 0
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jne .incorrect
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.pass_ok:
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.ok:
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invoke ini.get_int, path2, ebx, str_mode, 0
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mov [ebp + thread_data.permissions], eax
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@ -637,16 +676,15 @@ cmdPASS:
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.2:
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.incorrect:
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mov [ebp + thread_data.state], STATE_CONNECTED
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invoke con_write_asciiz, str_pass_err
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mov [ebp + thread_data.state], STATE_CONNECTED ; reset state
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sendFTP "530 Login incorrect"
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ret
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align 4
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.0:
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sendFTP "503 Login with USER first"
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ret
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align 4
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.3:
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sendFTP "230 Already logged in"
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ret
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@ -660,6 +698,11 @@ align 4
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align 4
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cmdPASV:
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cmp [ebp + thread_data.passivesocknum], -1
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je @f
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mcall close, [ebp + thread_data.passivesocknum] ; if there is still a socket open, close it
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@@:
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; Open a new TCP socket
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mcall socket, AF_INET4, SOCK_STREAM, 0
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cmp eax, -1
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@ -668,22 +711,25 @@ cmdPASV:
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; Bind it to a known local port
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mov [ebp + thread_data.datasock.sin_family], AF_INET4
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pushw [pasvport]
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popw [ebp + thread_data.datasock.sin_port]
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inc [pasvport]
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mov [ebp + thread_data.datasock.sin_addr], 0
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mov ecx, eax ; passivesocketnum
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lea edx, [ebp + thread_data.datasock]
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mov esi, sizeof.thread_data.datasock
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.next_port: ; TODO: break the endless loop
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call nextpasvport
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pushw [pasv_port]
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popw [ebp + thread_data.datasock.sin_port]
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mcall bind
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cmp eax, -1
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; je bind_err ; TODO
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je .next_port
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; And set it to listen!
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mcall listen, , 1
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cmp eax, -1
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; je listen_err ; TODO
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je socketerror
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; Tell our thread we are ready to accept incoming calls
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mov [ebp + thread_data.mode], MODE_PASSIVE_WAIT
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@ -694,24 +740,24 @@ cmdPASV:
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; '227 ('
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lea edi, [ebp + thread_data.buffer]
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mov eax, '227 ' ; FIXME (now hardcoded to 127.0.0.1:2000)
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mov eax, '227 '
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stosd
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mov al, '('
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stosb
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; ip
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mov eax, 127
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movzx eax, byte [serverip]
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call dword_to_ascii
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mov al, ','
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stosb
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mov eax, 0
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movzx eax, byte [serverip+1]
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call dword_to_ascii
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mov al, ','
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stosb
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mov eax, 0
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movzx eax, byte [serverip+2]
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call dword_to_ascii
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mov al, ','
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stosb
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mov eax, 1
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movzx eax, byte [serverip+3]
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call dword_to_ascii
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mov al, ','
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stosb
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@ -851,24 +897,50 @@ cmdRETR:
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sub ecx, 5
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jb .cannot_open
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cmp [ebp + thread_data.mode], MODE_PASSIVE_OK
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je .start
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; If we are in active mode, it's time to open a data socket..
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cmp [ebp + thread_data.mode], MODE_ACTIVE
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jne @f
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push ecx esi
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jne .not_active
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mov ecx, [ebp + thread_data.datasocketnum]
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lea edx, [ebp + thread_data.datasock]
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mov esi, sizeof.thread_data.datasock
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mcall connect
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pop esi ecx
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cmp eax, -1
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je socketerror
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@@:
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jmp .start
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push ecx esi
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; If we are still in passive_wait, it's time we accept an incomming call..
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.not_active:
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cmp [ebp + thread_data.mode], MODE_PASSIVE_WAIT
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jne socketerror
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mov [ebp + thread_data.mode], MODE_PASSIVE_FAILED ; assume that we will fail
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.try_now:
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mov ecx, [ebp + thread_data.passivesocknum]
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lea edx, [ebp + thread_data.datasock]
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mov esi, sizeof.thread_data.datasock
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mcall accept
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cmp eax, -1
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jne .pasv_ok
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mcall 23, 200
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mcall accept
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cmp eax, -1
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je socketerror
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.pasv_ok:
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mov [ebp + thread_data.datasocketnum], eax
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mov [ebp + thread_data.mode], MODE_PASSIVE_OK
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mcall close ; [ebp + thread_data.passivesocknum]
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mov [ebp + thread_data.passivesocknum], -1
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invoke con_write_asciiz, str_datasock
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.start:
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call create_path
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pop esi ecx
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dec edi
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add esi, 5
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lea esi, [ebp + thread_data.buffer] ; FIXME
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mov ecx, 1024
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.loop:
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lodsb
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cmp al, 0x20
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@ -929,7 +1001,6 @@ cmdRETR:
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invoke con_write_asciiz, str_notfound
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invoke con_set_flags, 0x07
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mov edx, [ebp]
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sendFTP "550 No such file"
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ret
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@ -1084,7 +1155,7 @@ cmdUSER:
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ret
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.login_fail:
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invoke con_write_asciiz, str_login_invalid
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invoke con_write_asciiz, str_pass_err
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mov [ebp + thread_data.state], STATE_LOGIN_FAIL
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jmp .sendstr
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@ -102,6 +102,7 @@ start:
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invoke ini.get_str, path, str_ftpd, str_ip, ini_buf, 16, 0
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mov esi, ini_buf
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mov cl, '.'
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call ip_to_dword
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mov [serverip], ebx
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@ -138,7 +139,10 @@ start:
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invoke con_write_asciiz, str2b
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mov [pasvport], 2000 ;;;;;; FIXME
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invoke ini.get_int, path, str_pasv, str_start, 2000
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mov [pasv_start], ax
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invoke ini.get_int, path, str_pasv, str_end, 5000
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mov [pasv_end], ax
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mainloop:
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mcall 10 ; Wait here for incoming connections on the base socket (socketnum)
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@ -163,7 +167,7 @@ threadstart:
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invoke con_write_asciiz, str8 ; print on the console that we have created the new thread successfully
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invoke con_set_flags, 0x07
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mcall accept, [socketnum], sockaddr1, sockaddr1.length ; time to accept the awaiting connection..
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mcall accept, [socketnum], sockaddr1, sockaddr1.length ; time to accept the awaiting connection..
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cmp eax, -1
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je thread_exit
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mov [ebp + thread_data.socketnum], eax
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@ -173,16 +177,16 @@ threadstart:
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mov [ebp + thread_data.mode], MODE_NOTREADY
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lea eax, [ebp + thread_data.buffer]
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mov [ebp + thread_data.buffer_ptr], eax
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mov [ebp + thread_data.passivesocknum], -1
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sendFTP "220 Welcome to KolibriOS FTP daemon"
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threadloop:
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mcall 10
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mov edx, [ebp] ; pointer to thread_data
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cmp [ebp + thread_data.mode], MODE_PASSIVE_WAIT
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jne .not_passive
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mov [ebp + thread_data.mode], MODE_PASSIVE_FAILED ; assume that we will fail
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mov [ebp + thread_data.mode], MODE_PASSIVE_FAILED ; assume that we will fail
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mov ecx, [ebp + thread_data.passivesocknum]
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lea edx, [ebp + thread_data.datasock]
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mov esi, sizeof.thread_data.datasock
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@ -191,6 +195,8 @@ threadloop:
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je .not_passive
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mov [ebp + thread_data.datasocketnum], eax
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mov [ebp + thread_data.mode], MODE_PASSIVE_OK
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mcall close ; [ebp + thread_data.passivesocknum]
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mov [ebp + thread_data.passivesocknum], -1
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|
||||
invoke con_write_asciiz, str_datasock
|
||||
.not_passive:
|
||||
@ -199,9 +205,9 @@ threadloop:
|
||||
mov edx, [ebp + thread_data.buffer_ptr]
|
||||
mov esi, sizeof.thread_data.buffer ;;; FIXME
|
||||
mcall recv
|
||||
inc eax ; error? (-1)
|
||||
inc eax ; error? (-1)
|
||||
jz threadloop
|
||||
dec eax ; 0 bytes read?
|
||||
dec eax ; 0 bytes read?
|
||||
jz threadloop
|
||||
|
||||
mov edi, [ebp + thread_data.buffer_ptr]
|
||||
@ -214,13 +220,13 @@ threadloop:
|
||||
jne threadloop
|
||||
|
||||
; We got a command!
|
||||
mov byte [edi + 1], 0 ; append string with zero byte
|
||||
mov byte [edi + 1], 0 ; append string with zero byte
|
||||
lea esi, [ebp + thread_data.buffer]
|
||||
mov ecx, [ebp + thread_data.buffer_ptr]
|
||||
sub ecx, esi
|
||||
mov [ebp + thread_data.buffer_ptr], esi ; reset buffer ptr
|
||||
mov [ebp + thread_data.buffer_ptr], esi ; reset buffer ptr
|
||||
|
||||
invoke con_set_flags, 0x02 ; print received data to console (in green color)
|
||||
invoke con_set_flags, 0x02 ; print received data to console (in green color)
|
||||
invoke con_write_asciiz, str_newline
|
||||
invoke con_write_asciiz, esi
|
||||
invoke con_set_flags, 0x07
|
||||
@ -229,17 +235,17 @@ threadloop:
|
||||
jmp parse_cmd
|
||||
|
||||
listen_err:
|
||||
invoke con_set_flags, 0x0c ; print received data to console (in green color)
|
||||
invoke con_set_flags, 0x0c ; print errors in red
|
||||
invoke con_write_asciiz, str3
|
||||
jmp done
|
||||
|
||||
bind_err:
|
||||
invoke con_set_flags, 0x0c ; print received data to console (in green color)
|
||||
invoke con_set_flags, 0x0c ; print errors in red
|
||||
invoke con_write_asciiz, str4
|
||||
jmp done
|
||||
|
||||
sock_err:
|
||||
invoke con_set_flags, 0x0c ; print received data to console (in green color)
|
||||
invoke con_set_flags, 0x0c ; print errors in red
|
||||
invoke con_write_asciiz, str6
|
||||
jmp done
|
||||
|
||||
@ -251,12 +257,11 @@ exit:
|
||||
|
||||
|
||||
thread_exit:
|
||||
invoke con_set_flags, 0x02 ; print received data to console (in green color)
|
||||
invoke con_set_flags, 0x02 ; print thread info in blue
|
||||
invoke con_write_asciiz, str_bye
|
||||
pop ecx ; get the thread_data pointer from stack
|
||||
mcall 68, 13 ; free the memory
|
||||
mcall -1 ; and kill the thread
|
||||
|
||||
pop ecx ; get the thread_data pointer from stack
|
||||
mcall 68, 13 ; free the memory
|
||||
mcall -1 ; and kill the thread
|
||||
|
||||
|
||||
; initialized data
|
||||
@ -275,16 +280,13 @@ str_bye db 10,'Closing thread!',10,0
|
||||
|
||||
str_logged_in db 'Login ok',10,0
|
||||
str_pass_ok db 'Password ok',10,0
|
||||
str_pass_err db 'Password/Username incorrect',10,0
|
||||
str_pwd db 'Current directory is "%s"\n',0
|
||||
str_err2 db 'ERROR: cannot open directory',10,0
|
||||
str_datasock db 'Passive data socket connected!',10,0
|
||||
str_notfound db 'ERROR: file not found',10,0
|
||||
str_sockerr db 'ERROR: socket error',10,0
|
||||
|
||||
str_login_invalid db 'Login invalid',10,0
|
||||
|
||||
str_test db 'test: %x ', 0
|
||||
|
||||
str_newline db 10, 0
|
||||
str_mask db '*', 0
|
||||
str_infinity db 0xff, 0xff, 0xff, 0xff, 0
|
||||
@ -311,6 +313,9 @@ str_ip db 'ip', 0
|
||||
str_pass db 'pass', 0
|
||||
str_home db 'home', 0
|
||||
str_mode db 'mode', 0
|
||||
str_pasv db 'pasv', 0
|
||||
str_start db 'start', 0
|
||||
str_end db 'end', 0
|
||||
|
||||
|
||||
sockaddr1:
|
||||
@ -369,7 +374,9 @@ diff16 "i_end", 0, $
|
||||
path2 rb 1024
|
||||
params rb 1024
|
||||
serverip dd ?
|
||||
pasvport dw ?
|
||||
pasv_start dw ?
|
||||
pasv_end dw ?
|
||||
pasv_port dw ?
|
||||
|
||||
ini_buf rb 3*4+3+1
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user