/src/PcapPlusPlus/Packet++/src/FtpLayer.cpp
Line | Count | Source |
1 | | #define LOG_MODULE PacketLogModuleFtpLayer |
2 | | |
3 | | #include "FtpLayer.h" |
4 | | |
5 | | namespace pcpp |
6 | | { |
7 | | |
8 | | // ----------------- Class FtpRequestLayer ----------------- |
9 | | bool FtpRequestLayer::setCommand(FtpCommand code) |
10 | 0 | { |
11 | 0 | return setCommandInternal(getCommandAsString(code)); |
12 | 0 | } |
13 | | |
14 | | FtpRequestLayer::FtpCommand FtpRequestLayer::getCommand() const |
15 | 0 | { |
16 | 0 | size_t val = 0; |
17 | 0 | std::string field = getCommandString(); |
18 | |
|
19 | 0 | for (size_t idx = 0; idx < field.size(); ++idx) |
20 | 0 | { |
21 | 0 | val |= static_cast<size_t>(field.c_str()[idx]) << (idx * 8); |
22 | 0 | } |
23 | |
|
24 | 0 | return static_cast<FtpCommand>(val); |
25 | 0 | } |
26 | | |
27 | | std::string FtpRequestLayer::getCommandString() const |
28 | 0 | { |
29 | 0 | return getCommandInternal(); |
30 | 0 | } |
31 | | |
32 | | bool FtpRequestLayer::setCommandOption(const std::string& value) |
33 | 0 | { |
34 | 0 | return setCommandOptionInternal(value); |
35 | 0 | } |
36 | | |
37 | | std::string FtpRequestLayer::getCommandOption(bool removeEscapeCharacters) const |
38 | 0 | { |
39 | 0 | if (removeEscapeCharacters) |
40 | 0 | { |
41 | 0 | std::stringstream ss; |
42 | 0 | std::string field = getCommandOptionInternal(); |
43 | 0 | for (size_t idx = 0; idx < field.size(); ++idx) |
44 | 0 | { |
45 | 0 | if (int(field.c_str()[idx]) < 127 && int(field.c_str()[idx]) > 31) // From SPACE to ~ |
46 | 0 | ss << field.c_str()[idx]; |
47 | 0 | } |
48 | 0 | return ss.str(); |
49 | 0 | } |
50 | 0 | return getCommandOptionInternal(); |
51 | 0 | } |
52 | | |
53 | | std::string FtpRequestLayer::getCommandInfo(FtpCommand code) |
54 | 0 | { |
55 | 0 | switch (code) |
56 | 0 | { |
57 | 0 | case FtpCommand::ABOR: |
58 | 0 | return "Abort an active file transfer"; |
59 | 0 | case FtpCommand::ACCT: |
60 | 0 | return "Account information"; |
61 | 0 | case FtpCommand::ADAT: |
62 | 0 | return "Authentication/Security Data"; |
63 | 0 | case FtpCommand::ALLO: |
64 | 0 | return "Allocate sufficient disk space to receive a file"; |
65 | 0 | case FtpCommand::APPE: |
66 | 0 | return "Append (with create)"; |
67 | 0 | case FtpCommand::AUTH: |
68 | 0 | return "Authentication/Security Mechanism"; |
69 | 0 | case FtpCommand::AVBL: |
70 | 0 | return "Get the available space"; |
71 | 0 | case FtpCommand::CCC: |
72 | 0 | return "Clear Command Channel"; |
73 | 0 | case FtpCommand::CDUP: |
74 | 0 | return "Change to Parent Directory"; |
75 | 0 | case FtpCommand::CONF: |
76 | 0 | return "Confidentiality Protection Command"; |
77 | 0 | case FtpCommand::CSID: |
78 | 0 | return "Client / Server Identification"; |
79 | 0 | case FtpCommand::CWD: |
80 | 0 | return "Change working directory"; |
81 | 0 | case FtpCommand::DELE: |
82 | 0 | return "Delete file"; |
83 | 0 | case FtpCommand::DSIZ: |
84 | 0 | return "Get the directory size"; |
85 | 0 | case FtpCommand::ENC: |
86 | 0 | return "Privacy Protected Channel"; |
87 | 0 | case FtpCommand::EPRT: |
88 | 0 | return "Specifies an extended address and port to which the server should connect"; |
89 | 0 | case FtpCommand::EPSV: |
90 | 0 | return "Enter extended passive mode"; |
91 | 0 | case FtpCommand::FEAT: |
92 | 0 | return "Get the feature list implemented by the server"; |
93 | 0 | case FtpCommand::HELP: |
94 | 0 | return "Returns usage documentation on a command if specified, else a general help document is returned"; |
95 | 0 | case FtpCommand::HOST: |
96 | 0 | return "Identify desired virtual host on server, by name"; |
97 | 0 | case FtpCommand::LANG: |
98 | 0 | return "Language Negotiation"; |
99 | 0 | case FtpCommand::LIST: |
100 | 0 | return "Returns information of a file or directory if specified, else information of the current working directory is returned"; |
101 | 0 | case FtpCommand::LPRT: |
102 | 0 | return "Specifies a long address and port to which the server should connect"; |
103 | 0 | case FtpCommand::LPSV: |
104 | 0 | return "Enter long passive mode"; |
105 | 0 | case FtpCommand::MDTM: |
106 | 0 | return "Return the last-modified time of a specified file"; |
107 | 0 | case FtpCommand::MFCT: |
108 | 0 | return "Modify the creation time of a file"; |
109 | 0 | case FtpCommand::MFF: |
110 | 0 | return "Modify fact (the last modification time, creation time, UNIX group/owner/mode of a file)"; |
111 | 0 | case FtpCommand::MFMT: |
112 | 0 | return "Modify the last modification time of a file"; |
113 | 0 | case FtpCommand::MIC: |
114 | 0 | return "Integrity Protected Command"; |
115 | 0 | case FtpCommand::MKD: |
116 | 0 | return "Make directory"; |
117 | 0 | case FtpCommand::MLSD: |
118 | 0 | return "Lists the contents of a directory in a standardized machine-readable format"; |
119 | 0 | case FtpCommand::MLST: |
120 | 0 | return "Provides data about exactly the object named on its command line in a standardized machine-readable format"; |
121 | 0 | case FtpCommand::MODE: |
122 | 0 | return "Sets the transfer mode (Stream, Block, or Compressed)"; |
123 | 0 | case FtpCommand::NLST: |
124 | 0 | return "Returns a list of file names in a specified directory"; |
125 | 0 | case FtpCommand::NOOP: |
126 | 0 | return "No operation (dummy packet; used mostly on keepalives)"; |
127 | 0 | case FtpCommand::OPTS: |
128 | 0 | return "Select options for a feature (for example OPTS UTF8 ON)"; |
129 | 0 | case FtpCommand::PASS: |
130 | 0 | return "Authentication password"; |
131 | 0 | case FtpCommand::PASV: |
132 | 0 | return "Enter passive mode"; |
133 | 0 | case FtpCommand::PBSZ: |
134 | 0 | return "Protection Buffer Size"; |
135 | 0 | case FtpCommand::PORT: |
136 | 0 | return "Specifies an address and port to which the server should connect"; |
137 | 0 | case FtpCommand::PROT: |
138 | 0 | return "Data Channel Protection Level"; |
139 | 0 | case FtpCommand::PWD: |
140 | 0 | return "Print working directory. Returns the current directory of the host"; |
141 | 0 | case FtpCommand::QUIT: |
142 | 0 | return "Disconnect"; |
143 | 0 | case FtpCommand::REIN: |
144 | 0 | return "Re initializes the connection"; |
145 | 0 | case FtpCommand::REST: |
146 | 0 | return "Restart transfer from the specified point"; |
147 | 0 | case FtpCommand::RETR: |
148 | 0 | return "Retrieve a copy of the file"; |
149 | 0 | case FtpCommand::RMD: |
150 | 0 | return "Remove a directory"; |
151 | 0 | case FtpCommand::RMDA: |
152 | 0 | return "Remove a directory tree"; |
153 | 0 | case FtpCommand::RNFR: |
154 | 0 | return "Rename from"; |
155 | 0 | case FtpCommand::RNTO: |
156 | 0 | return "Rename to"; |
157 | 0 | case FtpCommand::SITE: |
158 | 0 | return "Sends site specific commands to remote server (like SITE IDLE 60 or SITE UMASK 002). Inspect SITE HELP output for complete list of supported commands"; |
159 | 0 | case FtpCommand::SIZE: |
160 | 0 | return "Return the size of a file"; |
161 | 0 | case FtpCommand::SMNT: |
162 | 0 | return "Mount file structure"; |
163 | 0 | case FtpCommand::SPSV: |
164 | 0 | return "Use single port passive mode (only one TCP port number for both control connections and passive-mode data connections)"; |
165 | 0 | case FtpCommand::STAT: |
166 | 0 | return "Returns information on the server status, including the status of the current connection"; |
167 | 0 | case FtpCommand::STOR: |
168 | 0 | return "Accept the data and to store the data as a file at the server site"; |
169 | 0 | case FtpCommand::STOU: |
170 | 0 | return "Store file uniquely"; |
171 | 0 | case FtpCommand::STRU: |
172 | 0 | return "Set file transfer structure"; |
173 | 0 | case FtpCommand::SYST: |
174 | 0 | return "Return system type"; |
175 | 0 | case FtpCommand::THMB: |
176 | 0 | return "Get a thumbnail of a remote image file"; |
177 | 0 | case FtpCommand::TYPE: |
178 | 0 | return "Sets the transfer mode (ASCII/Binary)"; |
179 | 0 | case FtpCommand::USER: |
180 | 0 | return "Authentication username"; |
181 | 0 | case FtpCommand::XCUP: |
182 | 0 | return "Change to the parent of the current working directory"; |
183 | 0 | case FtpCommand::XMKD: |
184 | 0 | return "Make a directory"; |
185 | 0 | case FtpCommand::XPWD: |
186 | 0 | return "Print the current working directory"; |
187 | 0 | case FtpCommand::XRCP: |
188 | 0 | return ""; |
189 | 0 | case FtpCommand::XRMD: |
190 | 0 | return "Remove the directory"; |
191 | 0 | case FtpCommand::XRSQ: |
192 | 0 | return ""; |
193 | 0 | case FtpCommand::XSEM: |
194 | 0 | return "Send, mail if cannot"; |
195 | 0 | case FtpCommand::XSEN: |
196 | 0 | return "Send to terminal"; |
197 | 0 | default: |
198 | 0 | return "Unknown command"; |
199 | 0 | } |
200 | 0 | } |
201 | | |
202 | | std::string FtpRequestLayer::getCommandAsString(FtpCommand code) |
203 | 0 | { |
204 | 0 | std::stringstream oss; |
205 | 0 | for (size_t idx = 0; idx < 4; ++idx) |
206 | 0 | { |
207 | 0 | char val = (uint64_t(code) >> (8 * idx)) & UINT8_MAX; |
208 | 0 | if (val) // Dont push if it is a null character |
209 | 0 | { |
210 | 0 | oss << val; |
211 | 0 | } |
212 | 0 | } |
213 | 0 | return oss.str(); |
214 | 0 | } |
215 | | |
216 | | std::string FtpRequestLayer::toString() const |
217 | 0 | { |
218 | 0 | return "FTP Request: " + getCommandString(); |
219 | 0 | } |
220 | | |
221 | | // ----------------- Class FtpResponseLayer ----------------- |
222 | | bool FtpResponseLayer::setStatusCode(FtpStatusCode code) |
223 | 0 | { |
224 | 0 | std::ostringstream oss; |
225 | 0 | oss << int(code); |
226 | 0 | return setCommandInternal(oss.str()); |
227 | 0 | } |
228 | | |
229 | | FtpResponseLayer::FtpStatusCode FtpResponseLayer::getStatusCode() const |
230 | 439 | { |
231 | 439 | return static_cast<FtpStatusCode>(atoi(getCommandInternal().c_str())); |
232 | 439 | } |
233 | | |
234 | | std::string FtpResponseLayer::getStatusCodeString() const |
235 | 878 | { |
236 | 878 | return getCommandInternal(); |
237 | 878 | } |
238 | | |
239 | | bool FtpResponseLayer::setStatusOption(const std::string& value) |
240 | 0 | { |
241 | 0 | return setCommandOptionInternal(value); |
242 | 0 | } |
243 | | |
244 | | std::string FtpResponseLayer::getStatusOption(bool removeEscapeCharacters) const |
245 | 878 | { |
246 | 878 | if (removeEscapeCharacters) |
247 | 439 | { |
248 | 439 | std::stringstream ss; |
249 | 439 | std::string field = getCommandOptionInternal(); |
250 | 5.68k | for (size_t idx = 0; idx < field.size(); ++idx) |
251 | 5.24k | { |
252 | 5.24k | if (int(field.c_str()[idx]) < 127 && int(field.c_str()[idx]) > 31) // From SPACE to ~ |
253 | 4.60k | ss << field.c_str()[idx]; |
254 | 5.24k | } |
255 | 439 | return ss.str(); |
256 | 439 | } |
257 | 439 | return getCommandOptionInternal(); |
258 | 878 | } |
259 | | |
260 | | std::string FtpResponseLayer::getStatusCodeAsString(FtpStatusCode code) |
261 | 0 | { |
262 | 0 | switch (code) |
263 | 0 | { |
264 | 0 | case FtpStatusCode::RESTART_MARKER: |
265 | 0 | return "Restart marker reply"; |
266 | 0 | case FtpStatusCode::SERVICE_READY_IN_MIN: |
267 | 0 | return "Service ready in nnn minutes"; |
268 | 0 | case FtpStatusCode::DATA_ALREADY_OPEN_START_TRANSFER: |
269 | 0 | return "Data connection already open; transfer starting"; |
270 | 0 | case FtpStatusCode::FILE_OK: |
271 | 0 | return "File status okay; about to open data connection"; |
272 | 0 | case FtpStatusCode::COMMAND_OK: |
273 | 0 | return "Command okay"; |
274 | 0 | case FtpStatusCode::COMMAND_NOT_IMPLEMENTED_SUPERFLUOUS: |
275 | 0 | return "Command not implemented, superfluous at this site"; |
276 | 0 | case FtpStatusCode::SYSTEM_STATUS: |
277 | 0 | return "System status, or system help reply"; |
278 | 0 | case FtpStatusCode::DIR_STATUS: |
279 | 0 | return "Directory status"; |
280 | 0 | case FtpStatusCode::FILE_STATUS: |
281 | 0 | return "File status"; |
282 | 0 | case FtpStatusCode::HELP_MESSAGE: |
283 | 0 | return "Help message"; |
284 | 0 | case FtpStatusCode::NAME_SYSTEM_TYPE: |
285 | 0 | return "NAME system type"; |
286 | 0 | case FtpStatusCode::SERVICE_READY_FOR_USER: |
287 | 0 | return "Service ready for new user"; |
288 | 0 | case FtpStatusCode::SERVICE_CLOSING_CONTROL: |
289 | 0 | return "Service closing control connection"; |
290 | 0 | case FtpStatusCode::DATA_OPEN_NO_TRANSFER: |
291 | 0 | return "Data connection open; no transfer in progress"; |
292 | 0 | case FtpStatusCode::CLOSING_DATA: |
293 | 0 | return "Closing data connection"; |
294 | 0 | case FtpStatusCode::ENTERING_PASSIVE: |
295 | 0 | return "Entering Passive Mode"; |
296 | 0 | case FtpStatusCode::ENTERING_EXTENDED_PASSIVE: |
297 | 0 | return "Entering Extended Passive Mode"; |
298 | 0 | case FtpStatusCode::USER_LOG_IN_PROCEED: |
299 | 0 | return "User logged in, proceed"; |
300 | 0 | case FtpStatusCode::USER_LOG_IN_AUTHORIZED: |
301 | 0 | return "User logged in, authorized by security data exchange"; |
302 | 0 | case FtpStatusCode::SEC_DATA_EXCHANGE_COMPLETE: |
303 | 0 | return "Security data exchange complete"; |
304 | 0 | case FtpStatusCode::SEC_DATA_EXCHANGE_COMPLETE_SUCCESS: |
305 | 0 | return "Security data exchange completed successfully"; |
306 | 0 | case FtpStatusCode::REQ_FILE_OK_COMPLETE: |
307 | 0 | return "Requested file action okay, completed"; |
308 | 0 | case FtpStatusCode::PATHNAME_CREATED: |
309 | 0 | return "PATHNAME created"; |
310 | 0 | case FtpStatusCode::USER_OK_NEED_PASSWORD: |
311 | 0 | return "User name okay, need password"; |
312 | 0 | case FtpStatusCode::NEED_ACCOUNT: |
313 | 0 | return "Need account for login"; |
314 | 0 | case FtpStatusCode::REQ_SEC_MECHANISM_OK: |
315 | 0 | return "Requested security mechanism is ok"; |
316 | 0 | case FtpStatusCode::SEC_IS_ACCEPTABLE: |
317 | 0 | return "Security data is acceptable, more is required"; |
318 | 0 | case FtpStatusCode::USER_OK_NEED_PASS_CHALLENGE: |
319 | 0 | return "Username okay, need password. Challenge is ..."; |
320 | 0 | case FtpStatusCode::FILE_PENDING_ACTION: |
321 | 0 | return "Requested file action pending further information"; |
322 | 0 | case FtpStatusCode::SERVICE_NOT_AVAILABLE: |
323 | 0 | return "Service not available, closing control connection"; |
324 | 0 | case FtpStatusCode::CANT_OPEN_DATA_CONNECTION: |
325 | 0 | return "Can't open data connection"; |
326 | 0 | case FtpStatusCode::CONNECTION_CLOSED: |
327 | 0 | return "Connection closed; transfer aborted"; |
328 | 0 | case FtpStatusCode::NEED_UNAVAILABLE_RESOURCE_TO_SEC: |
329 | 0 | return "Need some unavailable resource to process security"; |
330 | 0 | case FtpStatusCode::REQ_FILE_ACTION_NOT_TAKEN: |
331 | 0 | return "Requested file action not taken"; |
332 | 0 | case FtpStatusCode::REQ_ACTION_ABORTED: |
333 | 0 | return "Requested action aborted: local error in processing"; |
334 | 0 | case FtpStatusCode::REQ_ACTION_NOT_TAKEN: |
335 | 0 | return "Requested action not taken. Insufficient storage space in system"; |
336 | 0 | case FtpStatusCode::SYNTAX_ERROR_COMMAND_UNRECOGNIZED: |
337 | 0 | return "Syntax error, command unrecognized"; |
338 | 0 | case FtpStatusCode::SYNTAX_ERROR_PARAMETER_OR_ARGUMENT: |
339 | 0 | return "Syntax error in parameters or arguments"; |
340 | 0 | case FtpStatusCode::COMMAND_NOT_IMPLEMENTED: |
341 | 0 | return "Command not implemented"; |
342 | 0 | case FtpStatusCode::BAD_SEQUENCE_COMMANDS: |
343 | 0 | return "Bad sequence of commands"; |
344 | 0 | case FtpStatusCode::COMMAND_NOT_IMPLEMENTED_FOR_PARAMETER: |
345 | 0 | return "Command not implemented for that parameter"; |
346 | 0 | case FtpStatusCode::NETWORK_PROTOCOL_NOT_SUPPORTED: |
347 | 0 | return "Network protocol not supported"; |
348 | 0 | case FtpStatusCode::NOT_LOGGED_IN: |
349 | 0 | return "Not logged in"; |
350 | 0 | case FtpStatusCode::NEED_ACCOUNT_FOR_STORE_FILE: |
351 | 0 | return "Need account for storing files"; |
352 | 0 | case FtpStatusCode::COMMAND_PROTECTION_DENIED: |
353 | 0 | return "Command protection level denied for policy reasons"; |
354 | 0 | case FtpStatusCode::REQUEST_DENIED: |
355 | 0 | return "Request denied for policy reasons"; |
356 | 0 | case FtpStatusCode::FAILED_SEC_CHECK: |
357 | 0 | return "Failed security check (hash, sequence, etc)"; |
358 | 0 | case FtpStatusCode::REQ_PROT_LEVEL_NOT_SUPPORTED: |
359 | 0 | return "Requested PROT level not supported by mechanism"; |
360 | 0 | case FtpStatusCode::COMMAND_PROTECTION_LEVEL_NOT_SUPPORTED: |
361 | 0 | return "Command protection level not supported by security mechanism"; |
362 | 0 | case FtpStatusCode::FILE_UNAVAILABLE: |
363 | 0 | return "Requested action not taken: File unavailable"; |
364 | 0 | case FtpStatusCode::PAGE_TYPE_UNKNOWN: |
365 | 0 | return "Requested action aborted: page type unknown"; |
366 | 0 | case FtpStatusCode::EXCEED_STORAGE_ALLOCATION: |
367 | 0 | return "Requested file action aborted: Exceeded storage allocation"; |
368 | 0 | case FtpStatusCode::FILENAME_NOT_ALLOWED: |
369 | 0 | return "Requested action not taken: File name not allowed"; |
370 | 0 | case FtpStatusCode::INTEGRITY_PROTECTED: |
371 | 0 | return "Integrity protected reply"; |
372 | 0 | case FtpStatusCode::CONFIDENTIALITY_AND_INTEGRITY_PROTECTED: |
373 | 0 | return "Confidentiality and integrity protected reply"; |
374 | 0 | case FtpStatusCode::CONFIDENTIALITY_PROTECTED: |
375 | 0 | return "Confidentiality protected reply"; |
376 | 0 | default: |
377 | 0 | return "Unknown Status Code"; |
378 | 0 | } |
379 | 0 | } |
380 | | |
381 | | std::string FtpResponseLayer::toString() const |
382 | 878 | { |
383 | 878 | return "FTP Response: " + getStatusCodeString(); |
384 | 878 | } |
385 | | |
386 | | std::string FtpDataLayer::toString() const |
387 | 862 | { |
388 | 862 | return "FTP Data"; |
389 | 862 | } |
390 | | |
391 | | } // namespace pcpp |