1. 程式人生 > >telnetd原始碼分析之如何除錯原始碼?

telnetd原始碼分析之如何除錯原始碼?

td: send do TSPEED
td: send do XDISPLOC
td: send do NEW-ENVIRON
td: send do OLD-ENVIRON
td: ttloop
td: netflush 15 chars
td: ttloop read 27 chars
td: recv do SUPPRESS GO AHEAD
td: send will SUPPRESS GO AHEAD
td: recv will TERMINAL TYPE
td: recv will NAWS
td: send do NAWS
td: recv will TSPEED
td: recv will LFLOW
td: send do LFLOW
td: recv will LINEMODE
td: send do LINEMODE
td: netflush 19 chars
td: recv will NEW-ENVIRON
td: recv do STATUS
td: send will STATUS
td: recv will XDISPLOC
td: ttloop
td: netflush 3 chars
td: ttloop read 3 chars
td: recv wont OLD-ENVIRON
td: ttloop
td: netflush 24 chars
td: ttloop read 73 chars
td: recv suboption NAWS 0 80 (80) 0 24 (24)
td: recv suboption LINEMODE SLC SYNCH NOSUPPORT 0; IP VARIABLE|FLUSHIN|FLUSHOUT 3; AO VARIABLE 15; AYT NOSUPPORT 0; ABORT VARIABLE|FLUSHIN|FLUSHOUT 28; EOF VARIABLE 4; SUSP VARIABLE|FLUSHIN 26; EC VARIABLE 127; EL VARIABLE 21; EW VARIABLE 23; RP VARIABLE 18; LNEXT VARIABLE 22; XON VARIABLE 17; XOFF VARIABLE 19; FORW1 NOSUPPORT 0; FORW2 NOSUPPORT 0;
td: recv do SUPPRESS GO AHEAD
td: recv suboption LINEMODE MODE LIT_ECHO|ACK (0x14)
td: netflush 0 chars
td: ttloop
td: ttloop read 88 chars
td: recv suboption TERMINAL-SPEED IS 38400,38400
td: recv suboption X-DISPLAY-LOCATION IS "ch-Founder-PC:0"
td: recv suboption NEW-ENVIRON IS VAR "DISPLAY" VALUE "ch-Founder-PC:0"
td: recv suboption TERMINAL-TYPE IS "XTERM-256COLOR"
td: send do ECHO
td: ttloop
td: netflush 3 chars
td: ttloop read 3 chars
td: recv wont ECHO
td: send will ECHO
sending  
Linux 4.10.0-42-generic (ch-Founder-PC) (pts/20)
 
td: send do BINARY
td: send dont LINEMODE
td: netflush 15 chars
td: netflush 42 chars
td: send suboption LINEMODE SLC IP VARIABLE|ACK|FLUSHIN|FLUSHOUT 3; AO VARIABLE|ACK 15; ABORT VARIABLE|ACK|FLUSHIN|FLUSHOUT 28; EOF VARIABLE|ACK 4; SUSP VARIABLE|ACK|FLUSHIN 26; EC VARIABLE|ACK 127; EL VARIABLE|ACK 21; EW VARIABLE|ACK 23; RP VARIABLE|ACK 18; LNEXT VARIABLE|ACK 22; XON VARIABLE|ACK 17; XOFF VARIABLE|ACK 19;
td: netflush 0 chars
td: Entering processing loop                      這裡開始接受輸入,開始輸出。
td: netread 9 chars
nd: fffd 01ff fb00 fffc 22 ........"
td: netflush 54 chars
td: recv do ECHO
td: recv will BINARY
td: recv wont LINEMODE
td: ptyread 1 chars
pd: 01 .
td: ptyread 11 chars
pd: 00e5 af86 e7a0 81ef bc9a 20 ..........  
td: netflush 10 chars
td: netread 1 chars
nd: 63 c
td: ptyflush 1 chars
pd: 63 c
td: netread 1 chars
nd: 68 h
td: ptyflush 1 chars
pd: 68 h
td: netread 1 chars
nd: 31 1
td: ptyflush 1 chars
pd: 31 1
td: netread 1 chars
nd: 32 2
td: ptyflush 1 chars
pd: 32 2
td: netread 1 chars
nd: 33 3
td: ptyflush 1 chars
pd: 33 3
td: netread 1 chars
nd: 34 4
td: ptyflush 1 chars
pd: 34 4
td: netread 1 chars
nd: 35 5
td: ptyflush 1 chars
pd: 35 5
td: netread 1 chars
nd: 36 6
td: ptyflush 1 chars
pd: 36 6
td: netread 1 chars
nd: 0d .
td: ptyflush 1 chars
pd: 0d .
td: ptyread 1 chars
pd: 01 .
td: ptyread 3 chars
pd: 000d 0a ...
td: netflush 2 chars
td: ptyread 104 chars
pd: 001b 5d30 3b72 6f6f 7440 6368 2d46 6f75 6e64 6572  ..]0;
[email protected]

pd: 2d50 433a 7e07 1b5d 373b 6669 6c65 3a2f 2f63 682d  -PC:~..]7;file://ch-
pd: 466f 756e 6465 722d 5043 2f72 6f6f 7407 1b5d 303b  Founder-PC/root..]0;
pd: 726f 6f74 4063 682d 466f 756e 6465 722d 5043 3a20  [email protected]:  
pd: 7e07 726f 6f74 4063 682d 466f 756e 6465 722d 5043  [email protected]

pd: 3a7e 2320  :~#  
td: netflush 103 chars
td: netread 1 chars
nd: 70 p
td: ptyflush 1 chars
pd: 70 p
td: ptyread 2 chars
pd: 0070  .p
td: netflush 1 chars
td: netread 1 chars
nd: 77 w
td: ptyflush 1 chars
pd: 77 w
td: ptyread 2 chars
pd: 0077  .w
td: netflush 1 chars
td: netread 1 chars
nd: 64 d
td: ptyflush 1 chars
pd: 64 d
td: ptyread 2 chars
pd: 0064  .d
td: netflush 1 chars
td: netread 1 chars
nd: 0d .
td: ptyflush 1 chars
pd: 0d .
td: ptyread 10 chars
pd: 000d 0a2f 726f 6f74 0d0a  .../root..
td: netflush 9 chars
td: ptyread 56 chars
pd: 001b 5d30 3b72 6f6f 7440 6368 2d46 6f75 6e64 6572  ..]0;
[email protected]

pd: 2d50 433a 7e07 1b5d 373b 6669 6c65 3a2f 2f63 682d  -PC:~..]7;file://ch-
pd: 466f 756e 6465 722d 5043 2f72 6f6f 7407  Founder-PC/root.
td: netflush 55 chars
td: ptyread 49 chars
pd: 001b 5d30 3b72 6f6f 7440 6368 2d46 6f75 6e64 6572  ..]0;[email protected]
pd: 2d50 433a 207e 0772 6f6f 7440 6368 2d46 6f75 6e64  -PC: [email protected]
pd: 6572 2d50 433a 7e23 20 er-PC:~#  
td: netflush 48 chars
td: netread 1 chars
nd: 65 e
td: ptyflush 1 chars
pd: 65 e
td: ptyread 2 chars
pd: 0065  .e
td: netflush 1 chars
td: netread 1 chars
nd: 78 x
td: ptyflush 1 chars
pd: 78 x
td: ptyread 2 chars
pd: 0078  .x
td: netflush 1 chars
td: netread 1 chars
nd: 69 i
td: ptyflush 1 chars
pd: 69 i
td: ptyread 2 chars
pd: 0069  .i
td: netflush 1 chars
td: netread 1 chars
nd: 74 t
td: ptyflush 1 chars
pd: 74 t
td: ptyread 2 chars
pd: 0074  .t
td: netflush 1 chars
td: netread 1 chars
nd: 0d .
td: ptyflush 1 chars
pd: 0d .
td: ptyread 3 chars
pd: 000d 0a ...
td: netflush 2 chars
td: ptyread 9 chars
pd: 00e6 b3a8 e994 800d 0a .........
td: netflush 8 chars
td: ptyread 0 chars

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