Set a Remote File's POSIX Permissions

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Demonstrates the Chilkat SFtp.SetPermissions method, which sets the POSIX permission bits of a remote item. The arguments are the remote path (or handle), whether the first argument is a handle, and the permission bits. Pass the permission bits only, not the file-type bits.

load ./chilkat.dll

set success 0

#  Demonstrates the SFtp.SetPermissions method, which sets the POSIX permission bits of a remote
#  item.  The 1st argument is the remote path (or handle), the 2nd (isHandle) indicates which,
#  and the 3rd is the permission bits.

set sftp [new_CkSFtp]

#  Connect, authenticate, and initialize the SFTP subsystem.
set port 22
set success [CkSFtp_Connect $sftp "sftp.example.com" $port]
if {$success == 0} then {
    puts [CkSFtp_lastErrorText $sftp]
    delete_CkSFtp $sftp
    exit
}

#  Normally you would not hard-code the password in source.  You should instead obtain it
#  from an interactive prompt, environment variable, or a secrets vault.
set password "mySshPassword"

set success [CkSFtp_AuthenticatePw $sftp "mySshLogin" $password]
if {$success == 0} then {
    puts [CkSFtp_lastErrorText $sftp]
    delete_CkSFtp $sftp
    exit
}

set success [CkSFtp_InitializeSftp $sftp]
if {$success == 0} then {
    puts [CkSFtp_lastErrorText $sftp]
    delete_CkSFtp $sftp
    exit
}

#  The 1st argument is a path, so isHandle is 0.
set isHandle 0

#  Pass the permission bits, not the file-type bits.  0755 gives the owner read/write/execute and
#  read/execute to group and others -- a common mode for an executable script.
set permissions 493
set success [CkSFtp_SetPermissions $sftp "subdir/script.sh" $isHandle $permissions]
if {$success == 0} then {
    puts [CkSFtp_lastErrorText $sftp]
    delete_CkSFtp $sftp
    exit
}

puts "Permissions set."

CkSFtp_Disconnect $sftp

delete_CkSFtp $sftp