Objective-C

Get FTP File Permissions

See more FTP Examples

_LANGUAGE_ example showing how to retrieve file permissions (via FTP) for each file in a remote directory. Objective-C

#import <CkoFtp2.h>

BOOL success = NO;

//  This example requires the Chilkat API to have been previously unlocked.
//  See Global Unlock Sample for sample code.

CkoFtp2 *ftp = [[CkoFtp2 alloc] init];

//  Set the various properties to establish the connection.
ftp.Hostname = @"ftp.example.com";
ftp.Username = @"login";
ftp.Password = @"password";

//  If SSL/TLS is required..
//  See http://www.cknotes.com/determining-ftp2-connection-settings/ 
//  for more information.
ftp.AuthTls = YES;
ftp.PassiveUseHostAddr = YES;

//  Connect to the FTP server:
success = [ftp ConnectOnly];
if (success != YES) {
    NSLog(@"%@",ftp.LastErrorText);
    return;
}

//  Authenticate with the FTP server.
success = [ftp LoginAfterConnectOnly];
if (success != YES) {
    NSLog(@"%@",ftp.LastErrorText);
    return;
}

//  To get file permissions in UNIX format, disallow MSLD:
ftp.AllowMlsd = NO;

//  To get file and sub-directory information, simply
//  loop from 0 to ftp.GetDirCount() - 1
int i = 0;
int n = [[ftp GetDirCount] intValue];
if (n < 0) {
    NSLog(@"%@",ftp.LastErrorText);
    return;
}

//  Show the type of permissions information that is available.
//  The two most common types are "mlsd" and "unix".  See the
//  online reference documentation for more information.
if (n > 0) {
    NSLog(@"%@%@",@"The permissions format is: ",[ftp GetPermType: [NSNumber numberWithInt: 0]]);
}

while (i < n) {

    //  Display the permissions and filename
    NSLog(@"%@%@%@",[ftp GetPermissions: [NSNumber numberWithInt: i]],@" ",[ftp GetFilename: [NSNumber numberWithInt: i]]);

    i = i + 1;
}

//  Assuming MLSD was possible, let's see the file permissions in MLSD format:
ftp.AllowMlsd = YES;

//  Clear the directory cache so we're forced to re-fetch the directory listing:
[ftp ClearDirCache];

n = [[ftp GetDirCount] intValue];
if (n < 0) {
    NSLog(@"%@",ftp.LastErrorText);
    return;
}

//  Show the type of permissions information that is available.
//  The two most common types are "mlsd" and "unix".  See the
//  online reference documentation for more information.
if (n > 0) {
    NSLog(@"%@",@"----");
    NSLog(@"%@%@",@"The permissions format is: ",[ftp GetPermType: [NSNumber numberWithInt: 0]]);
}

i = 0;
while (i < n) {

    //  Display the permissions and filename
    NSLog(@"%@%@%@",[ftp GetPermissions: [NSNumber numberWithInt: i]],@" ",[ftp GetFilename: [NSNumber numberWithInt: i]]);

    i = i + 1;
}

success = [ftp Disconnect];