curl-users
[ curl-Bugs-634610 ] Curl_follow() crash on RFC2068 Violation
Date: Wed, 06 Nov 2002 11:36:26 -0800
Bugs item #634610, was opened at 2002-11-06 11:36
You can respond by visiting:
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Category: http
Group: crash
Status: Open
Resolution: None
Priority: 5
Submitted By: Nobody/Anonymous (nobody)
Assigned to: Daniel Stenberg (bagder)
Summary: Curl_follow() crash on RFC2068 Violation
Initial Comment:
When using libcurl to access the following original URL:
The page returns a "follow" to this:
results.asp?agree=1&query=straczynski&component=MoreP
ictures&ViewStyle=detail
We get a crash in transfer.c, function of Curl_follow() around line 1353 (of version 7.10.1); this is in the section where, according to the comments, the follow given is in violation of RFC 2068, and the hack used to get past it is "doomed to cause problems in the future".
Welcome to the future. :-)
Anyhow, the line that crashes is this:
sprintf(newest, "%s%s%s", url_clone,
(('/' == useurl[0]) || !*protsep)?"":"/",
useurl);
useurl is the "results.asp..." string above, and protsep is nil -- so dereferencing it is causing the access error.
I'm not really following the logic of what protsep is, so I don't really have a suggested fix. *Maybe* you meant to say !protsep instead of !*protsep, or you need an additional || !protset before testing for !*protsep
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Received on 2002-11-06