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ftpd: conditional support for broken clients

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Signed-off-by: Stefan Seyfried <stefan.seyfried@googlemail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Stefan Seyfried 2010-01-18 02:08:30 +01:00 committed by Denys Vlasenko
parent 9c3b84a304
commit f3fc9ac166
2 changed files with 23 additions and 0 deletions
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11
networking/Config.in
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@ -117,6 +117,17 @@ config FEATURE_FTP_WRITE
help
Enable all kinds of FTP upload commands (-w option)
config FEATURE_FTPD_ACCEPT_BROKEN_LIST
bool "Enable workaround for RFC-violating clients"
default y
depends on FTPD
help
Some ftp-clients (among them KDE's Konqueror) issue illegal
"LIST -la" requests. This option works around those problems.
It might prevent you from listing files starting with "-" and
it increases the code size by ~40 bytes.
Most other ftp servers seem to behave similar to this.
config FTPGET
bool "ftpget"
default n

12
networking/ftpd.c
View File

@ -632,6 +632,18 @@ popen_ls(const char *opt)
argv[3] = G.ftp_arg;
argv[4] = NULL;
/* Improve compatibility with non-RFC conforming FTP clients
* which send e.g. "LIST -l", "LIST -la".
* See https://bugs.kde.org/show_bug.cgi?id=195578 */
if (ENABLE_FEATURE_FTPD_ACCEPT_BROKEN_LIST
&& G.ftp_arg && G.ftp_arg[0] == '-' && G.ftp_arg[1] == 'l'
) {
const char *tmp = strchr(G.ftp_arg, ' ');
if (tmp) /* skip the space */
tmp++;
argv[3] = tmp;
}
xpiped_pair(outfd);
/*fflush_all(); - so far we dont use stdio on output */