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Annotation of /branches/RB-1.1/ftperrors.c

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Revision 13 - (hide annotations) (download) (as text)
Mon Feb 23 02:22:49 2009 UTC (15 years, 1 month ago) by hirohitohigashi
File MIME type: text/x-csrc
File size: 10968 byte(s) 
Creating relase branch for 1.1
1 hirohitohigashi 1 /*
2    
3     libftp 1.0 (stable): this is an FTP library to simplify the work to a Developer
4     who want to work with FTP servers (RFC 959).
5     Copyright (C) 2007/2008 omnipresent - omnipresent[at]email.it
6    
7     This program is free software: you can redistribute it and/or modify
8     it under the terms of the GNU General Public License as published by
9     the Free Software Foundation, either version 3 of the License, or
10     (at your option) any later version.
11    
12     This program is distributed in the hope that it will be useful,
13     but WITHOUT ANY WARRANTY; without even the implied warranty of
14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15     GNU General Public License for more details.
16    
17     You should have received a copy of the GNU General Public License
18     along with this program. If not, see <http://www.gnu.org/licenses/>.
19    
20     */
21    
22     #include <stdio.h>
23     #include <errno.h>
24     #include <stdlib.h>
25     #include <unistd.h>
26     #include <string.h>
27     #include <sys/types.h>
28     #include <sys/socket.h>
29     #include <sys/stat.h>
30     #include <netinet/in.h>
31     #include <netdb.h>
32    
33     #include "ftp_main.h"
34    
35    
36     #define CMD_OK "200"
37     #define CMD_NI "202"
38     #define SYS_STATUS "211"
39     #define HLP_MSG "214"
40     #define NAME_SYS "215"
41     #define READY "220"
42     #define CLOSE "221"
43     #define NO_TRANSFER "225"
44     #define CLOSE_CON "226"
45     #define PASSIVE_MOD "227"
46     #define PATH_DONE "257"
47     #define LOGGED "230"
48     #define REQ_FILE_OK "250"
49     #define PATH_CREATED "257"
50     #define USER_OK "331"
51     #define NEED_ACCT "332"
52     #define ACTION_PEND "350" //350 Requested file action pending further information.
53     #define SERVICE_NA "421"
54     #define NOT_OPEN_DT "425"
55     #define CON_CLOSED "426"
56     #define FILE_NOT_TAKEN "450" //File not available: eg busy
57     #define ACT_ABORTED "451"
58     #define ACT_NOT_TAKEN "452"
59     #define SYNTAX_ERR "500" //Command unrecognized
60     #define SYNTAX_ERR_P "501" //Syntax error in parameters or arguments
61     #define CMD_NOT_IMPL "502"
62     #define BAD_SEQ_CMD "503"
63     #define NOT_LOGGED "530"
64     #define ACCT_FOR_FILE "532"
65     #define FILE_NOT_FOUND "550" //File not found, no access to file
66     #define ACTION_ABORTED "551"
67     #define ALLOCATION_ERR "552"
68     #define FILE_ERR_NAME "553"
69    
70     /***
71     200 Command okay.
72     202 Command not implemented, superfluous at this site.
73     211 System status, or system help reply.
74     212 Directory status.
75     213 File status.
76     214 Help message.
77     On how to use the server or the meaning of a particular
78     non-standard command. This reply is useful only to the
79     human user.
80     215 NAME system type.
81    
82     Where NAME is an official system name from the list in the
83     Assigned Numbers document.
84     220 Service ready for new user.
85     221 Service closing control connection.
86     Logged out if appropriate.
87     225 Data connection open; no transfer in progress.
88     226 Closing data connection.
89     Requested file action successful (for example, file
90     transfer or file abort).
91     227 Entering Passive Mode (h1,h2,h3,h4,p1,p2).
92     230 User logged in, proceed.
93     250 Requested file action okay, completed.
94     257 "PATHNAME" created.
95    
96     331 User name okay, need password.
97     332 Need account for login.
98     350 Requested file action pending further information.
99    
100     421 Service not available, closing control connection.
101     This may be a reply to any command if the service knows it
102     must shut down.
103     425 Can't open data connection.
104     426 Connection closed; transfer aborted.
105     450 Requested file action not taken.
106     File unavailable (e.g., file busy).
107     451 Requested action aborted: local error in processing.
108     452 Requested action not taken.
109     Insufficient storage space in system.
110     500 Syntax error, command unrecognized.
111     This may include errors such as command line too long.
112     501 Syntax error in parameters or arguments.
113     502 Command not implemented.
114     503 Bad sequence of commands.
115     504 Command not implemented for that parameter.
116     530 Not logged in.
117     532 Need account for storing files.
118     550 Requested action not taken.
119     File unavailable (e.g., file not found, no access).
120     551 Requested action aborted: page type unknown.
121     552 Requested file action aborted.
122     Exceeded storage allocation (for current directory or
123     dataset).
124     553 Requested action not taken.
125     File name not allowed.
126    
127     ***/
128    
129     /***
130     error_handler:
131     - int sck => Socket Descriptor
132     - int connected => Value 0 or 1:
133     . 0 System Connected
134     . 1 System Not Connected
135     - int verbose => Print Inforations:
136     . 0 Do not Print
137     . 1 Print
138     ***/
139    
140     int ftp_login_handler (char *cmd_reply, int verbose) {
141    
142     if (verbose == 1) {
143    
144     if (strfnbytes(cmd_reply, NEED_ACCT, 3) == 0) {
145     printf("--[ Server: Need an Account to Login.\n");
146     return -1;
147     } else if (strfnbytes(cmd_reply, LOGGED, 3) == 0) {
148     printf("--[ Server: User Logged in.\n");
149     return 0;
150     } else if (strfnbytes(cmd_reply, USER_OK, 3) == 0) {
151     printf("--[ Server: User Okay, need a Password.\n");
152     return 2;
153     } else if (strfnbytes(cmd_reply, NOT_LOGGED, 3) == 0) {
154     printf("--[ Server: User not logged in.\n");
155     return -1;
156     } else {
157     printf("--[ Server: Unknown reply at the login process.\n");
158     return -1;
159     }
160    
161     } else {
162    
163     if (strfnbytes(cmd_reply, NEED_ACCT, 3) == 0) {
164     return -1;
165     } else if (strfnbytes(cmd_reply, LOGGED, 3) == 0) {
166     return 0;
167     } else if (strfnbytes(cmd_reply, USER_OK, 3) == 0) {
168     return 2;
169     } else if (strfnbytes(cmd_reply, NOT_LOGGED, 3) == 0) {
170     return -1;
171     } else {
172     return -1;
173     }
174    
175     }
176    
177     }
178    
179     int ftp_dir_handler (char *cmd_reply, int verbose) {
180    
181     if (verbose == 1) {
182    
183     if (strfnbytes(cmd_reply, CMD_OK, 3) == 0) {
184     printf("--[ Server: Command Ok.\n");
185     return 0;
186     } else if (strfnbytes(cmd_reply, REQ_FILE_OK, 3) == 0) {
187     printf("--[ Server: Command successful.\n");
188     return 0;
189     } else if (strfnbytes(cmd_reply, REQ_FILE_OK, 3) == 0) {
190     printf("--[ Server: Command successful.\n");
191     return 0;
192     } else if (strfnbytes(cmd_reply, REQ_FILE_OK, 3) == 0) {
193     printf("--[ Server: Command successful.\n");
194     return 0;
195     } else if (strfnbytes(cmd_reply, SYNTAX_ERR, 3) == 0) {
196     printf("--[ Server: Syntax Error.\n");
197     return 1;
198     } else if (strfnbytes(cmd_reply, PATH_CREATED, 3) == 0) {
199     printf("--[ Server: Directory Successfully Created.\n");
200     return 0;
201     } else if (strfnbytes(cmd_reply, SYNTAX_ERR_P, 3) == 0) {
202     printf("--[ Server: Syntax Error in Parameters.\n");
203     return 1;
204     } else if (strfnbytes(cmd_reply, FILE_NOT_FOUND, 3) == 0) {
205     printf("--[ Server: File Not Found.\n");
206     return 1;
207     } else if (strfnbytes(cmd_reply, ACTION_ABORTED, 3) == 0) {
208     printf("--[ Server: Requested action aborted.\n");
209     return 1;
210     } else if (strfnbytes(cmd_reply, FILE_ERR_NAME, 3) == 0) {
211     printf("--[ Server: File Name not allowed.\n");
212     return 1;
213     } else {
214     printf("--[ Server: Unknown reply.\n");
215     return 1;
216     }
217    
218     } else {
219    
220     if (strfnbytes(cmd_reply, CMD_OK, 3) == 0) {
221     return 0;
222     } else if (strfnbytes(cmd_reply, REQ_FILE_OK, 3) == 0) {
223     return 0;
224     } else if (strfnbytes(cmd_reply, REQ_FILE_OK, 3) == 0) {
225     return 0;
226     } else if (strfnbytes(cmd_reply, REQ_FILE_OK, 3) == 0) {
227     return 0;
228     } else if (strfnbytes(cmd_reply, SYNTAX_ERR, 3) == 0) {
229     return 1;
230     } else if (strfnbytes(cmd_reply, PATH_CREATED, 3) == 0) {
231     return 0;
232     } else if (strfnbytes(cmd_reply, SYNTAX_ERR_P, 3) == 0) {
233     return 1;
234     } else if (strfnbytes(cmd_reply, FILE_NOT_FOUND, 3) == 0) {
235     return 1;
236     } else if (strfnbytes(cmd_reply, ACTION_ABORTED, 3) == 0) {
237     return 1;
238     } else if (strfnbytes(cmd_reply, FILE_ERR_NAME, 3) == 0) {
239     return 1;
240     } else {
241     return 1;
242     }
243    
244     }
245    
246     }
247    
248     int ftp_file_handler (char *cmd_reply, int verbose) {
249    
250     if (verbose == 1) {
251    
252     if (strfnbytes(cmd_reply, CMD_OK, 3) == 0) {
253     printf("--[ Server: Command Ok.\n");
254     return 0;
255     } else if (strfnbytes(cmd_reply, ACTION_PEND, 3) == 0) {
256     printf("--[ Server: Command successful.\n");
257     return 0;
258     } else if (strfnbytes(cmd_reply, REQ_FILE_OK, 3) == 0) {
259     printf("--[ Server: Requested file action completed.\n");
260     return 0;
261     } else if (strfnbytes(cmd_reply, SYNTAX_ERR, 3) == 0) {
262     printf("--[ Server: Syntax Error.\n");
263     return 1;
264     } else if (strfnbytes(cmd_reply, FILE_NOT_FOUND, 3) == 0) {
265     printf("--[ Server: File Not Found.\n");
266     return 1;
267     } else if (strfnbytes(cmd_reply, SYNTAX_ERR_P, 3) == 0) {
268     printf("--[ Server: Syntax Error in Parameters.\n");
269     return 1;
270     } else if (strfnbytes(cmd_reply, BAD_SEQ_CMD, 3) == 0) {
271     printf("--[ Server: File Not Found.\n");
272     return 1;
273     } else if (strfnbytes(cmd_reply, ACTION_ABORTED, 3) == 0) {
274     printf("--[ Server: Requested action aborted.\n");
275     return 1;
276     } else if (strfnbytes(cmd_reply, FILE_NOT_TAKEN, 3) == 0) {
277     printf("--[ Server: File busy.\n");
278     return 1;
279     } else if (strfnbytes(cmd_reply, FILE_ERR_NAME, 3) == 0) {
280     printf("--[ Server: File Name not allowed.\n");
281     return 1;
282     } else {
283     printf("--[ Server: Unknown reply.\n");
284     return 1;
285     }
286    
287    
288    
289     } else {
290    
291     if (strfnbytes(cmd_reply, CMD_OK, 3) == 0) {
292     return 0;
293     } else if (strfnbytes(cmd_reply, ACTION_PEND, 3) == 0) {
294     return 0;
295     } else if (strfnbytes(cmd_reply, REQ_FILE_OK, 3) == 0) {
296     return 0;
297     } else if (strfnbytes(cmd_reply, SYNTAX_ERR, 3) == 0) {
298     return 1;
299     } else if (strfnbytes(cmd_reply, FILE_NOT_FOUND, 3) == 0) {
300     return 1;
301     } else if (strfnbytes(cmd_reply, SYNTAX_ERR_P, 3) == 0) {
302     return 1;
303     } else if (strfnbytes(cmd_reply, BAD_SEQ_CMD, 3) == 0) {
304     return 1;
305     } else if (strfnbytes(cmd_reply, ACTION_ABORTED, 3) == 0) {
306     return 1;
307     } else if (strfnbytes(cmd_reply, FILE_NOT_TAKEN, 3) == 0) {
308     return 1;
309     } else if (strfnbytes(cmd_reply, FILE_ERR_NAME, 3) == 0) {
310     return 1;
311     } else {
312     return 1;
313     }
314    
315    
316     }
317    
318     }
319    
320     int ftp_port_handler (char *cmd_reply, int verbose) {
321    
322     if (verbose == 1) {
323    
324     if (strfnbytes(cmd_reply, SYNTAX_ERR, 3) == 0) {
325     printf("--[ Server: Need an Account to Login.\n");
326     return -1;
327     } else if (strfnbytes(cmd_reply, CMD_OK, 3) == 0) {
328     printf("--[ Server: OK!\n");
329     return 0;
330     } else if (strfnbytes(cmd_reply, SYNTAX_ERR_P, 3) == 0) {
331     printf("--[ Server: User Okay, need a Password.\n");
332     return -1;
333     } else if (strfnbytes(cmd_reply, SERVICE_NA, 3) == 0) {
334     printf("--[ Server: User not logged in.\n");
335     return -1;
336     } else {
337     printf("--[ Server: Unknown reply at the login process.\n");
338     return -1;
339     }
340    
341     } else {
342    
343     if (strfnbytes(cmd_reply, SYNTAX_ERR, 3) == 0) {
344     return -1;
345     } else if (strfnbytes(cmd_reply, CMD_OK, 3) == 0) {
346     return 0;
347     } else if (strfnbytes(cmd_reply, SYNTAX_ERR_P, 3) == 0) {
348     return -1;
349     } else if (strfnbytes(cmd_reply, SERVICE_NA, 3) == 0) {
350     return -1;
351     } else {
352     return -1;
353     }
354    
355     }
356    
357     }
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