- one byte opcode of which is one of the following ASCII characters:
- f = regular file
- d = directory
- o = other type of file
- two-byte integer in two's complement and network byte order representing the length of the
filename of the file / folder in the directory
- The sequence of ASCII characters representing the filename of the file / folder
Command - get
1. Client sends get request
- Client sends one byte opcode of ASCII character 'C' followed by
- two-byte integer in two's complement and network byte order representing the length of the
filename of the file to be retrieved from the server
- The sequence of characters representing the filename
2. Server response
- Server sends one byte opcode of ASCII character 'C' followed by
- one byte opcode which is one of the following ASCII characters:
- 0 = OK to send file
- 1 = file not found
- 2 = permission denied
- 3 = other reason for failure
- if 0 then server will send four-byte integer in two's complement and network byte order which
represents the length of the file
- The sequence of N bytes which is the content of the file
Command - put
1. Client sends put request
- Client sends one byte opcode of ASCII character 'D' followed by
- two-byte integer in two's complement and network byte order representing the length of the
filename of the file to be put on the server followed by
- The sequence of characters representing the filename
2. Server response
- Server sends one byte opcode of the ASCII character 'D' followed by
- one byte acknowledgement code which is one of the following ASCII characters:
- 0 = ready to receive the named file
- 1 = cannot accept file as filename clashes
- 2 = cannot accept file as server cannot create the named file
- 3 = cannot accept file due to other reason
10
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“lpwd” test output
“cd” test output
“lcd” test output
“dir” test output
“ldir” test output
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“put” test output
13
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“get” test output
“quit” test output
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Source code
Under myftp folder
myftp.c
/*
* File: myftp.c
* Author: Aung Myin 32812965 & Pan Xu 32813676
*
* Description: This is the main implementation file for the myftp client
* program.
