https://bugs.documentfoundation.org/show_bug.cgi?id=154224

            Bug ID: 154224
           Summary: WebDav connection issue.
           Product: LibreOffice
           Version: 7.6.0.0 alpha0+ Master
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: LibreOffice
          Assignee: [email protected]
          Reporter: [email protected]

Description:
WebDav connection issue
Can neither open nor save back from the network.

Curl update regression: Failed connection to Micro Focus Vibe WebDav Server

Since commit ed6eeb2496a1989856de312152b64401bb600300
"curl: upgrade to release 7.88.1", ucb cannot connect to Micro Focus Vibe
WebDav
Server with the "NSS error -12172 (SSL_ERROR_NEXT_PROTOCOL_DATA_INVALID)" and
"SSL received invalid ALPN extension data." error messages.

Log:

info:ucb.ucp.webdav.curl:9805:9805:ucb/source/ucp/webdav-curl/CurlSession.cxx:288:
debug log: 0x55cdf3834198: STATE: INIT => CONNECT handle 0x55cdf3834198; line
1933 (connection #-5000)

info:ucb.ucp.webdav.curl:9805:9805:ucb/source/ucp/webdav-curl/CurlSession.cxx:288:
debug log: 0x55cdf3834198: Added connection 2. The cache now contains 1 members

info:ucb.ucp.webdav.curl:9805:9805:ucb/source/ucp/webdav-curl/CurlSession.cxx:288:
debug log: 0x55cdf3834198: Hostname xxxx.xx.xxx.xx was found in DNS cache

info:ucb.ucp.webdav.curl:9805:9805:ucb/source/ucp/webdav-curl/CurlSession.cxx:288:
debug log: 0x55cdf3834198: STATE: CONNECT => CONNECTING handle 0x55cdf3834198;
line 1989 (connection #2)

info:ucb.ucp.webdav.curl:9805:9805:ucb/source/ucp/webdav-curl/CurlSession.cxx:288:
debug log: 0x55cdf3834198:   Trying xx.xxx.xx.xxx:443...

info:ucb.ucp.webdav.curl:9805:9805:ucb/source/ucp/webdav-curl/CurlSession.cxx:288:
debug log: 0x55cdf3834198: Connected to xxxx.xx.xxx.xx (xx.xxx.xx.xxx) port 443
(#2)

info:ucb.ucp.webdav.curl:9805:9805:ucb/source/ucp/webdav-curl/CurlSession.cxx:288:
debug log: 0x55cdf3834198: WARNING: failed to load NSS PEM library
libnsspem.so. Using OpenSSL PEM certificates will not work.

info:ucb.ucp.webdav.curl:9805:9805:ucb/source/ucp/webdav-curl/CurlSession.cxx:288:
debug log: 0x55cdf3834198:  CAfile: none

info:ucb.ucp.webdav.curl:9805:9805:ucb/source/ucp/webdav-curl/CurlSession.cxx:288:
debug log: 0x55cdf3834198:  CApath: none

info:ucb.ucp.webdav.curl:9805:9805:ucb/source/ucp/webdav-curl/CurlSession.cxx:288:
debug log: 0x55cdf3834198: ALPN: offers http/1.0

info:ucb.ucp.webdav.curl:9805:9805:ucb/source/ucp/webdav-curl/CurlSession.cxx:288:
debug log: 0x55cdf3834198: NSS error -12172
(SSL_ERROR_NEXT_PROTOCOL_DATA_INVALID)

info:ucb.ucp.webdav.curl:9805:9805:ucb/source/ucp/webdav-curl/CurlSession.cxx:288:
debug log: 0x55cdf3834198: SSL received invalid ALPN extension data.

info:ucb.ucp.webdav.curl:9805:9805:ucb/source/ucp/webdav-curl/CurlSession.cxx:288:
debug log: 0x55cdf3834198: multi_done: status: 35 prem: 1 done: 0

info:ucb.ucp.webdav.curl:9805:9805:ucb/source/ucp/webdav-curl/CurlSession.cxx:288:
debug log: 0x55cdf3834198: multi_done, not re-using connection=2, forbid=0,
close=1, premature=1, conn_multiplex=0

info:ucb.ucp.webdav.curl:9805:9805:ucb/source/ucp/webdav-curl/CurlSession.cxx:288:
debug log: 0x55cdf3834198: The cache now contains 0 members

info:ucb.ucp.webdav.curl:9805:9805:ucb/source/ucp/webdav-curl/CurlSession.cxx:288:
debug log: 0x55cdf3834198: Curl_disconnect(conn #2, dead=1)

info:ucb.ucp.webdav.curl:9805:9805:ucb/source/ucp/webdav-curl/CurlSession.cxx:288:
debug log: 0x55cdf3834198: Closing connection 2

info:ucb.ucp.webdav.curl:9805:9805:ucb/source/ucp/webdav-curl/CurlSession.cxx:288:
debug log: 0x55cdf3834198: Expire cleared (transfer 0x55cdf3834198)

warn:ucb.ucp.webdav.curl:9805:9805:ucb/source/ucp/webdav-curl/CurlSession.cxx:963:
curl_easy_perform failed: (35) SSL received invalid ALPN extension data.
info:ucb.ucp.webdav.curl:9805:9805:ucb/source/ucp/webdav-curl/CurlSession.cxx:1340:
DAVException; (first) 0 bytes of data received:
warn:ucb.ucp.webdav:9805:9805:ucb/source/ucp/webdav-curl/webdavcontent.cxx:3842:
Content::getResourceType returned errors, DAV ExceptionCode: 5, HTTP error: 0

Steps to Reproduce:
.

Actual Results:
.

Expected Results:
.


Reproducible: Always


User Profile Reset: No

Additional Info:
.

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