Develop and Download Open Source Software

libOftp

Browse Subversion Repository

/[liboftp]/trunk_1/ftpsystem.c

Annotation of /trunk_1/ftpsystem.c

Parent Directory Parent Directory | Revision Log Revision Log

Revision 15 - (hide annotations) (download) (as text)
Wed Feb 25 13:29:32 2009 UTC (15 years ago) by hirohitohigashi
File MIME type: text/x-csrc
File size: 3042 byte(s) 
renewal all sources.
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 <string.h>
24     #include <errno.h>
25     #include <stdlib.h>
26     #include <unistd.h>
27     #include <sys/types.h>
28     #include <sys/time.h>
29     #include <sys/socket.h>
30     #include <sys/stat.h>
31     #include <netinet/in.h>
32     #include <netdb.h>
33     #include <fcntl.h>
34    
35     #include "ftp_main.h"
36    
37    
38     /* Global variable used in the ftp_system subroutine */
39    
40     char system_name[1050];
41    
42     /***
43     ftp_system:
44     - int sck => Socket Descriptor
45     - int verbose => Verbose?
46     . 0 Do not Print
47     . 1 Print
48     - ret => Success?
49     . 0 Success
50     .-1 Error
51     ***/
52    
53    
54 hirohitohigashi 7 int ftp_system (int sck, int verbose)
55     {
56     char *buf;
57     int len = 0;
58     int n = 0;
59     struct timeval tm; //tv_sec - tv_usec
60     fd_set readfds;
61 hirohitohigashi 1
62    
63 hirohitohigashi 7 buf = (char *)malloc(1024*sizeof(char));
64     memset(buf, 0x0, 1024);
65 hirohitohigashi 1
66    
67     if (write(sck, "SYST\n", strlen("SYST\n")) == -1) {
68    
69 hirohitohigashi 7 if (verbose) {
70     if (errno == EBADF) {
71     fprintf(stderr, "Socket Descriptor Not Valid!\n");
72     free(buf);
73 hirohitohigashi 1
74 hirohitohigashi 7 return -1;
75     } else if (errno == EIO) {
76     fprintf(stderr, "I/O Error!\n");
77     free(buf);
78 hirohitohigashi 1
79 hirohitohigashi 7 return -1;
80     } else if (errno == EINTR) {
81     fprintf(stderr, "Signal Interrupted The write() Function\n");
82     free(buf);
83 hirohitohigashi 1
84 hirohitohigashi 7 return -1;
85     }
86 hirohitohigashi 1
87 hirohitohigashi 7 } else {
88 hirohitohigashi 1
89 hirohitohigashi 7 if (errno == EBADF) {
90     free(buf);
91 hirohitohigashi 1
92 hirohitohigashi 7 return -1;
93     } else if (errno == EIO) {
94     free(buf);
95 hirohitohigashi 1
96 hirohitohigashi 7 return -1;
97     } else if (errno == EINTR) {
98     free(buf);
99 hirohitohigashi 1
100 hirohitohigashi 7 return -1;
101     }
102 hirohitohigashi 1
103 hirohitohigashi 7 }
104 hirohitohigashi 1
105 hirohitohigashi 7 free(buf);
106 hirohitohigashi 1
107 hirohitohigashi 7 return -1;
108 hirohitohigashi 1
109 hirohitohigashi 7 }
110 hirohitohigashi 1
111 hirohitohigashi 7 tm.tv_sec = 3;
112     tm.tv_usec = 0;
113 hirohitohigashi 1
114 hirohitohigashi 7 FD_ZERO(&readfds);
115 hirohitohigashi 1
116 hirohitohigashi 7 FD_SET(sck, &readfds);
117 hirohitohigashi 1
118 hirohitohigashi 7 if (select(sck+1, &readfds, NULL, NULL, &tm) < 0 ) {
119     if (verbose) {
120     perror("select()");
121     }
122     free(buf);
123    
124     return -1;
125     } else {
126    
127     if (FD_ISSET(sck, &readfds)) {
128    
129     if<