05-15-2006
While these suggestions are helpful, they don't answer my question specifically.
The FTP clients that we and our customers use crap out when they encounter a PWD 550 error message. What ways are there to avoid that error without changing the FTP client or the general process? In other words, is it possible to allow PWD for anonymous connections without compromising security? Like writing a binary and replacing PWD with the binary? Or any other ideas like that?
I know that there are many, many other solutions that would work, but this is a problem that I am limited to solve in a particular way. The server isn't directly in my control. If it was, I'd throw away the anonymous FTP crap and move to SFTP with a user:pass for each individual user and tie the registration to a web app front end to help manage everything (or something like that).
I know that the solution I am seeking isn't the best or elegant, but I believe it's the only one that will work in this situation now.
Thanks!
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LEARN ABOUT MOJAVE
curlopt_dirlistonly
CURLOPT_DIRLISTONLY(3) curl_easy_setopt options CURLOPT_DIRLISTONLY(3)
NAME
CURLOPT_DIRLISTONLY - ask for names only in a directory listing
SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_DIRLISTONLY, long listonly);
DESCRIPTION
For FTP and SFTP based URLs a parameter set to 1 tells the library to list the names of files in a directory, rather than performing a full
directory listing that would normally include file sizes, dates etc.
For POP3 a parameter of 1 tells the library to list the email message or messages on the POP3 server. This can be used to change the
default behaviour of libcurl, when combined with a URL that contains a message ID, to perform a "scan listing" which can then be used to
determine the size of an email.
Note: For FTP this causes a NLST command to be sent to the FTP server. Beware that some FTP servers list only files in their response to
NLST; they might not include subdirectories and symbolic links.
Setting this option to 1 also implies a directory listing even if the URL doesn't end with a slash, which otherwise is necessary.
Do NOT use this option if you also use CURLOPT_WILDCARDMATCH(3) as it will effectively break that feature then.
DEFAULT
0, disabled
PROTOCOLS
FTP, SFTP and POP3
EXAMPLE
TODO
AVAILABILITY
This option was known as CURLOPT_FTPLISTONLY up to 7.16.4. POP3 is supported since 7.21.5.
RETURN VALUE
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
SEE ALSO
CURLOPT_CUSTOMREQUEST(3),
libcurl 7.54.0 February 03, 2016 CURLOPT_DIRLISTONLY(3)