From f3fc9ac166d2413d331e3189a132a693608695ba Mon Sep 17 00:00:00 2001 From: Stefan Seyfried Date: Mon, 18 Jan 2010 02:08:30 +0100 Subject: [PATCH] ftpd: conditional support for broken clients Signed-off-by: Stefan Seyfried Signed-off-by: Denys Vlasenko --- networking/Config.in | 11 +++++++++++ networking/ftpd.c | 12 ++++++++++++ 2 files changed, 23 insertions(+) diff --git a/networking/Config.in b/networking/Config.in index 80834c6d4..788e128ea 100644 --- a/networking/Config.in +++ b/networking/Config.in @@ -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 diff --git a/networking/ftpd.c b/networking/ftpd.c index 4e9f65ca3..fdc6f5e45 100644 --- a/networking/ftpd.c +++ b/networking/ftpd.c @@ -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 */ -- 2.25.1