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bug#16960: 24.3.50; Infinite loop in url-retrieve-synchronously if metho
From: |
Alex Kost |
Subject: |
bug#16960: 24.3.50; Infinite loop in url-retrieve-synchronously if method is POST and response status is 301/302 |
Date: |
Fri, 07 Mar 2014 19:25:30 +0400 |
The problem is the following: when I try to login to
https://aur.archlinux.org with `url-retrieve-synchronously' (see the
code below), Emacs freezes (C-g helps) because callback passed to
`url-retrieve' is never called.
AFAIU this happens because `url-http-parse-headers' returns nil if
response status is 301/302/307 and method is not "HEAD" or "GET" (see
<http://git.savannah.gnu.org/cgit/emacs.git/tree/lisp/url/url-http.el#n574>).
At least the problem goes away when I add:
(setq success t)
after
(or `moved-permanently `found `temporary-redirect)
in `url-http-parse-headers'.
Would it be OK to allow such requests?
Recipe is simple but you need to have an account on
<https://aur.archlinux.org> for that:
1. emacs -Q
2. Evaluate (setq url-debug t)
3. Evaluate the following code:
bingl3Udpokk0.bin
Description: application/emacs-lisp
3. Emacs hangs; press C-g
4. In "*URL-DEBUG*" buffer you can see the line:
http -> Finished parsing HTTP headers: nil
In GNU Emacs 24.3.50.2 (i686-pc-linux-gnu, GTK+ Version 3.10.6)
of 2014-02-02 on leviafan
Windowing system distributor `The X.Org Foundation', version 11.0.11500000
Configured using:
`configure --prefix=/home/alexx/usr'
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Alex Kost <=