[Bug 60485] New: wininet: after a redirect to https on another host, later requests on the same connection handle go to that host on port 443 without TLS

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=60485

            Bug ID: 60485
           Summary: wininet: after a redirect to https on another host,
                    later requests on the same connection handle go to
                    that host on port 443 without TLS
           Product: Wine
           Version: 11.19
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: wininet
          Assignee: [e-mail]
          Reporter: [e-mail]
  Target Milestone: ---
      Distribution: ---

Created attachment 82332
  --> http://bugs.winehq.org/attachment.cgi?id=82332
Test program

When a request gets redirected (302) from http to https on a different host,
HTTP_HandleRedirect writes the new host and port into the shared session (the
InternetConnect handle), but INTERNET_FLAG_SECURE only goes on the redirected
request. Every later HttpOpenRequest on the same connection handle then goes to
the redirect's host on port 443 as plain HTTP (Host header "host:443"). An
https server resets the connection, and the request fails with
ERROR_INTERNET_CONNECTION_ABORTED (12030).

Real-world case: TrackMania United Forever downloads custom skins through one
InternetConnect handle to united.tm-exchange.com:80. That site redirects to
https://tmuf.exchange/. Only the first skin per track arrives and all others
fail, so the in-game signs stay blank. Same result with Proton (wine-11.0
based), reported there:
https://github.com/ValveSoftware/Proton/issues/467#issuecomment-6109833098

Test program (attached, redirect_reuse.c): one InternetConnect to
united.tm-exchange.com:80, then three GET requests through it. Each one answers
302 with Location: https://tmuf.exchange/... For comparison it then sends the
same three with a new connection handle each time. The flags are the game's:
INTERNET_FLAG_RELOAD | INTERNET_FLAG_NO_CACHE_WRITE |
INTERNET_FLAG_KEEP_CONNECTION | INTERNET_FLAG_PRAGMA_NOCACHE.

Build and run:
  i686-w64-mingw32-gcc -O2 -o redirect_reuse.exe redirect_reuse.c -lwininet
  wine redirect_reuse.exe

Output with wine-11.19 (fresh prefix):

A) one connection handle for all requests:
  /special/signpack/BD-Right_2.zip     status 200, 96802 bytes (request Host:
tmuf.exchange)
  /special/signpack/BD-Right-135.zip   HttpSendRequest FAILED, error 12030
(request Host: tmuf.exchange:443)
  /special/signpack/BD-Slow.zip        HttpSendRequest FAILED, error 12030
(request Host: tmuf.exchange:443)
B) a new connection handle per request (control):
  /special/signpack/BD-Right_2.zip     status 200, 96802 bytes (request Host:
tmuf.exchange)
  /special/signpack/BD-Right-135.zip   status 200, 96867 bytes (request Host:
tmuf.exchange)
  /special/signpack/BD-Slow.zip        status 200, 94027 bytes (request Host:
tmuf.exchange)

The +wininet trace (excerpt attached) shows the second request built for
"tmuf.exchange:443" with "Host: tmuf.exchange:443" and no TLS. Then "read_line
read failed 10054" follows.

Code: dlls/wininet/http.c, HTTP_HandleRedirect, sets session->hostName and
session->hostPort, but sets INTERNET_FLAG_SECURE only in request->hdr.dwFlags:
https://gitlab.winehq.org/wine/wine/-/blob/wine-11.19/dlls/wininet/http.c#L4...

Not tested on Windows. As far as I know the game downloads all skins there, so
I'd expect native wininet to leave the connection handle's server alone on a
redirect (or at least keep it consistent with the secure flag).

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[Bug 60485] wininet: after a redirect to https on another host, later requests on the same connection handle go to that host on port 443 without TLS

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=60485

--- Comment #1 from [e-mail] ---
Created attachment 82333
  --> http://bugs.winehq.org/attachment.cgi?id=82333
+wininet trace excerpt (wine-11.19)

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[Bug 60485] wininet: after a redirect to https on another host, later requests on the same connection handle go to that host on port 443 without TLS

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=60485

Qwerty Chouskie <[e-mail]> changed:

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[Bug 60485] wininet: after a redirect to https on another host, later requests on the same connection handle go to that host on port 443 without TLS

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=60485

Tomashu <[e-mail]> changed:

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