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dirmngr: Make building with a TLS library mandatory
* configure.ac: Do not build dirmngr if no TLS is available. * dirmngr/http.c: Remove all uses of the USE_TLS macro. Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch
parent
8fb14d3b3f
commit
1009e4e5f7
@ -1026,7 +1026,7 @@ AC_ARG_ENABLE(npth-debug,
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#
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# NTBTLS is our TLS library. If it is not available fallback to
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# NTBTLS is our TLS library. If it is not available we fall back to
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# GNUTLS.
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#
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AC_ARG_ENABLE(ntbtls,
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@ -1057,9 +1057,10 @@ else
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AC_DEFINE(HTTP_USE_GNUTLS, 1, [Enable GNUTLS support in http.c])
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else
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tmp=$(echo "$LIBGNUTLS_PKG_ERRORS" | tr '\n' '\v' | sed 's/\v/\n*** /g')
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build_dirmngr=no
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AC_MSG_WARN([[
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***
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*** Building without NTBTLS and GNUTLS - no TLS access to keyservers.
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*** Neither NTBTLS nor GNUTLS available - not building dirmngr.
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***
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*** $tmp]])
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fi
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@ -2,7 +2,7 @@
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* Copyright (C) 1999, 2001, 2002, 2003, 2004, 2006, 2009, 2010,
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* 2011 Free Software Foundation, Inc.
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* Copyright (C) 2014 Werner Koch
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* Copyright (C) 2015-2018 g10 Code GmbH
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* Copyright (C) 2015-2019 g10 Code GmbH
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*
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* This file is part of GnuPG.
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*
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@ -39,9 +39,8 @@
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- stpcpy is required
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- fixme: list other requirements.
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- With HTTP_USE_NTBTLS or HTTP_USE_GNUTLS support for https is
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provided (this also requires estream).
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- Either HTTP_USE_NTBTLS or HTTP_USE_GNUTLS must be defind to select
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which TLS library to use.
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- With HTTP_NO_WSASTARTUP the socket initialization is not done
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under Windows. This is useful if the socket layer has already
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@ -136,13 +135,10 @@
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#if HTTP_USE_NTBTLS
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typedef ntbtls_t tls_session_t;
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# define USE_TLS 1
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#elif HTTP_USE_GNUTLS
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typedef gnutls_session_t tls_session_t;
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# define USE_TLS 1
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#else
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typedef void *tls_session_t;
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# undef USE_TLS
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# error building without TLS is not supported
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#endif
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static gpg_err_code_t do_parse_uri (parsed_uri_t uri, int only_local_part,
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@ -241,10 +237,7 @@ struct http_session_s
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unsigned long magic;
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int refcount; /* Number of references to this object. */
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#ifdef HTTP_USE_GNUTLS
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gnutls_certificate_credentials_t certcred;
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#endif /*HTTP_USE_GNUTLS*/
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#ifdef USE_TLS
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tls_session_t tls_session;
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struct {
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int done; /* Verifciation has been done. */
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@ -252,7 +245,7 @@ struct http_session_s
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unsigned int status; /* Verification status. */
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} verify;
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char *servername; /* Malloced server name. */
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#endif /*USE_TLS*/
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/* A callback function to log details of TLS certifciates. */
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void (*cert_log_cb) (http_session_t, gpg_error_t, const char *,
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const void **, size_t *);
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@ -266,6 +259,10 @@ struct http_session_s
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/* The connect timeout */
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unsigned int connect_timeout;
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#ifdef HTTP_USE_GNUTLS
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gnutls_certificate_credentials_t certcred;
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#endif /*HTTP_USE_GNUTLS*/
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};
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@ -649,7 +646,6 @@ notify_netactivity (void)
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#ifdef USE_TLS
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/* Free the TLS session associated with SESS, if any. */
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static void
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close_tls_session (http_session_t sess)
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@ -673,7 +669,6 @@ close_tls_session (http_session_t sess)
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sess->tls_session = NULL;
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}
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}
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#endif /*USE_TLS*/
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/* Release a session. Take care not to release it while it is being
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@ -693,15 +688,14 @@ session_unref (int lnr, http_session_t sess)
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if (sess->refcount)
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return;
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#ifdef USE_TLS
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close_tls_session (sess);
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#endif /*USE_TLS*/
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sess->magic = 0xdeadbeef;
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xfree (sess);
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}
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#define http_session_unref(a) session_unref (__LINE__, (a))
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void
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http_session_release (http_session_t sess)
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{
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@ -887,9 +881,7 @@ http_session_new (http_session_t *r_session,
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log_debug ("http.c:session_new: sess %p created\n", sess);
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err = 0;
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#if USE_TLS
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leave:
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#endif /*USE_TLS*/
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if (err)
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http_session_unref (sess);
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else
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@ -1379,7 +1371,6 @@ do_parse_uri (parsed_uri_t uri, int only_local_part,
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uri->port = 11371;
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uri->is_http = 1;
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}
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#ifdef USE_TLS
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else if (!strcmp (uri->scheme, "https") || !strcmp (uri->scheme,"hkps")
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|| (force_tls && (!strcmp (uri->scheme, "http")
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|| !strcmp (uri->scheme,"hkp"))))
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@ -1388,7 +1379,6 @@ do_parse_uri (parsed_uri_t uri, int only_local_part,
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uri->is_http = 1;
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uri->use_tls = 1;
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}
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#endif /*USE_TLS*/
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else if (!no_scheme_check)
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return GPG_ERR_INV_URI; /* Unsupported scheme */
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@ -1752,16 +1742,13 @@ send_request (ctrl_t ctrl, http_t hd, const char *httphost, const char *auth,
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char *proxy_authstr = NULL;
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char *authstr = NULL;
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assuan_fd_t sock;
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#ifdef USE_TLS
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int have_http_proxy = 0;
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#endif
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if (hd->uri->use_tls && !hd->session)
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{
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log_error ("TLS requested but no session object provided\n");
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return gpg_err_make (default_errsource, GPG_ERR_INTERNAL);
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}
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#ifdef USE_TLS
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if (hd->uri->use_tls && !hd->session->tls_session)
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{
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log_error ("TLS requested but no TLS context available\n");
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@ -1773,11 +1760,8 @@ send_request (ctrl_t ctrl, http_t hd, const char *httphost, const char *auth,
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"NTBTLS", ntbtls_check_version (NULL)
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#elif HTTP_USE_GNUTLS
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"GNUTLS", gnutls_check_version (NULL)
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# else
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"?", "?"
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# endif /*HTTP_USE_*TLS*/
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#endif /*HTTP_USE_GNUTLS*/
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);
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#endif /*USE_TLS*/
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if ((hd->flags & HTTP_FLAG_FORCE_TOR))
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{
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@ -1798,7 +1782,6 @@ send_request (ctrl_t ctrl, http_t hd, const char *httphost, const char *auth,
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port = hd->uri->port ? hd->uri->port : 80;
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/* Try to use SNI. */
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#ifdef USE_TLS
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if (hd->uri->use_tls)
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{
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#if HTTP_USE_GNUTLS
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@ -1830,7 +1813,6 @@ send_request (ctrl_t ctrl, http_t hd, const char *httphost, const char *auth,
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log_info ("gnutls_server_name_set failed: %s\n", gnutls_strerror (rc));
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#endif /*HTTP_USE_GNUTLS*/
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}
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#endif /*USE_TLS*/
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if ( (proxy && *proxy)
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|| ( (hd->flags & HTTP_FLAG_TRY_PROXY)
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@ -1855,10 +1837,8 @@ send_request (ctrl_t ctrl, http_t hd, const char *httphost, const char *auth,
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if (err)
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;
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#ifdef USE_TLS
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else if (!strcmp (uri->scheme, "http"))
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have_http_proxy = 1;
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#endif
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else if (!strcmp (uri->scheme, "socks4")
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|| !strcmp (uri->scheme, "socks5h"))
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err = gpg_err_make (default_errsource, GPG_ERR_NOT_IMPLEMENTED);
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@ -1911,7 +1891,6 @@ send_request (ctrl_t ctrl, http_t hd, const char *httphost, const char *auth,
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return gpg_err_make (default_errsource, gpg_err_code_from_syserror ());
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}
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#if USE_TLS
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if (have_http_proxy && hd->uri->use_tls)
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{
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int saved_flags;
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@ -1998,7 +1977,6 @@ send_request (ctrl_t ctrl, http_t hd, const char *httphost, const char *auth,
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* TLS session and talk directly to the target server. */
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http_proxy = NULL;
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}
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#endif /* USE_TLS */
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#if HTTP_USE_NTBTLS
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if (hd->uri->use_tls)
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@ -2045,7 +2023,6 @@ send_request (ctrl_t ctrl, http_t hd, const char *httphost, const char *auth,
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return err;
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}
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#ifdef HTTP_USE_NTBTLS
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if (hd->session->verify_cb)
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{
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err = ntbtls_set_verify_cb (hd->session->tls_session,
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@ -2058,7 +2035,6 @@ send_request (ctrl_t ctrl, http_t hd, const char *httphost, const char *auth,
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return err;
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}
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}
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#endif /*HTTP_USE_NTBTLS*/
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while ((err = ntbtls_handshake (hd->session->tls_session)))
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{
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@ -2077,11 +2053,7 @@ send_request (ctrl_t ctrl, http_t hd, const char *httphost, const char *auth,
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/* Try the available verify callbacks until one returns success
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* or a real error. Note that NTBTLS does the verification
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* during the handshake via */
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#ifdef HTTP_USE_NTBTLS
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err = 0; /* Fixme check that the CB has been called. */
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#else
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err = gpg_error (GPG_ERR_NOT_IMPLEMENTED);
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#endif
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if (hd->session->verify_cb
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&& gpg_err_source (err) == GPG_ERR_SOURCE_DIRMNGR
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@ -2109,7 +2081,9 @@ send_request (ctrl_t ctrl, http_t hd, const char *httphost, const char *auth,
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}
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}
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#elif HTTP_USE_GNUTLS
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if (hd->uri->use_tls)
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{
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int rc;
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@ -2166,6 +2140,7 @@ send_request (ctrl_t ctrl, http_t hd, const char *httphost, const char *auth,
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return err;
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}
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}
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#endif /*HTTP_USE_GNUTLS*/
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if (auth || hd->uri->auth)
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@ -2178,7 +2153,8 @@ send_request (ctrl_t ctrl, http_t hd, const char *httphost, const char *auth,
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if (!myauth)
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{
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xfree (proxy_authstr);
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return gpg_err_make (default_errsource, gpg_err_code_from_syserror ());
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return gpg_err_make (default_errsource,
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gpg_err_code_from_syserror ());
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}
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remove_escapes (myauth);
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}
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@ -3512,6 +3488,7 @@ http_verify_server_credentials (http_session_t sess)
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#endif
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}
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/* Return the first query variable with the specified key. If there
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is no such variable, return NULL. */
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struct uri_tuple_s *
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