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Interpret multiple slashes as a single slash in ftp: URL's. This

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is contrary to RFC1738, which specifies that empty elements between
slashes really mean to send a CWD command with an empty argument.
Most FTP servers consider this an error, so strict RFC compliance
is advisable in this case.
This commit is contained in:
Bill Fenner 1997-10-08 18:43:53 +00:00
parent 9e5fbad43e
commit 21d466b21a
1 changed files with 12 additions and 2 deletions
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14
usr.bin/fetch/ftp.c
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@ -26,7 +26,7 @@
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: ftp.c,v 1.7 1997/05/31 14:45:41 ache Exp $
* $Id: ftp.c,v 1.8 1997/10/06 01:09:56 fenner Exp $
*/
#include <sys/types.h>
@ -173,7 +173,17 @@ ftp_parse(struct fetch_state *fs, const char *uri)
dp = ftps->ftp_remote_dirs;
while ((s = strchr(s, '/')) != 0) {
*s++ = '\0';
*dp++ = percent_decode(r);
/*
* Skip double-slashes. According to RFC1738,
* double-slashes mean "send 'CWD '", which is
* a syntax error to most FTP servers. Instead,
* we just pretend that multiple slashes are a
* single slash.
*/
if (*r == '\0')
ftps->ftp_remote_ndirs--;
else
*dp++ = percent_decode(r);
r = s;
}
} else {