int ftpc_chdir(SESSION handle, FAR const char *path)
{
FAR struct ftpc_session_s *session = (FAR struct ftpc_session_s *)handle;
int ret;
ret = ftpc_cmd(session, "CWD %s", path);
if (ret != OK)
{
return ret;
}
session->currdir = ftpc_rpwd(handle);
return OK;
}
int ftpc_relogin(FAR struct ftpc_session_s *session)
{
int err;
int ret;
/* Log into the server. First send the USER command. The server may accept
* USER with:
*
* - "230 User logged in, proceed" meaning that the client has permission to
* access files under that username
* - "331 "User name okay, need password" or "332 Need account for login"
* meaning that permission might be granted after a PASS request.
*
* Or the server may reject USER with:
*
* - "530 Not logged in" meaning that the username is unacceptable.
*
* In practice, the server does not check the username until after a PASS
* request
*/
FTPC_CLR_LOGGEDIN(session);
ret = ftpc_cmd(session, "USER %s", session->uname);
if (ret != OK)
{
ndbg("USER %s cmd failed: %d\n", session->uname, errno);
return ERROR;
}
/* Send the PASS command with the passed. The server may accept PASS with:
*
* - "230 User logged in, proceed" meaning that the client has permission to
* access files under that username
* - "202 Command not implemented, superfluous at this site" meaning that
* permission was already granted in response to USER
* - "332 Need account for login" meaning that permission might be granted
* after an ACCT request.
*
* The server may reject PASS with:
*
* - "503 Bad sequence of commands" if the previous request was not USER
* - "530 - Not logged in" if this username and password are unacceptable.
*/
ret = ftpc_cmd(session, "PASS %s", session->pwd);
if (ret != OK)
{
ndbg("PASS %s cmd failed: %d\n", session->pwd, errno);
return ret;
}
/* We are logged in.. the current working directory on login is our "home"
* directory.
*/
FTPC_SET_LOGGEDIN(session);
session->homerdir = ftpc_rpwd((SESSION)session);
session->currdir = strdup(session->homerdir);
/* If the user has requested a special start up directory, then change to
* that directory now.
*/
if (session->initrdir)
{
ftpc_chdir((SESSION)session, session->initrdir);
}
return OK;
}
