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TSL-SRP: enabled with OpenSSL

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If a new enough OpenSSL version is used, configure detects the TLS-SRP
support and enables it.
This commit is contained in:
Peter Sylvester 2011-03-25 23:09:28 +01:00 committed by Daniel Stenberg
parent 40256ec4d3
commit 2531cd94a5
3 changed files with 51 additions and 3 deletions
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13
configure.ac
View File

@ -1632,6 +1632,17 @@ if test X"$OPENSSL_ENABLED" = X"1"; then
fi
fi
dnl ---
dnl We require OpenSSL with SRP support.
dnl ---
if test "$OPENSSL_ENABLED" = "1"; then
AC_CHECK_LIB(crypto, SRP_Calc_client_key,
[
AC_DEFINE(HAVE_SSLEAY_SRP, 1, [if you have the function SRP_Calc_client_key])
AC_SUBST(HAVE_SSLEAY_SRP, [1])
])
fi
dnl ----------------------------------------------------
dnl check for GnuTLS
dnl ----------------------------------------------------
@ -2776,7 +2787,7 @@ AC_HELP_STRING([--disable-tls-srp],[Disable TLS-SRP authentication]),
want_tls_srp=yes
)
if test "$want_tls_srp" = "yes" && test "x$HAVE_GNUTLS_SRP" = "x1"; then
if test "$want_tls_srp" = "yes" && ( test "x$HAVE_GNUTLS_SRP" = "x1" || test "x$HAVE_SSLEAY_SRP" = "x1") ; then
AC_DEFINE(USE_TLS_SRP, 1, [Use TLS-SRP authentication])
USE_TLS_SRP=1
curl_tls_srp_msg="enabled"

4
docs/libcurl/curl_easy_setopt.3
View File

@ -884,8 +884,8 @@ defined in RFC 5054 and provides mutual authentication if both sides have a
shared secret. To use TLS-SRP, you must also set the
\fICURLOPT_TLSAUTH_USERNAME\fP and \fICURLOPT_TLSAUTH_PASSWORD\fP options.
You need to build libcurl with GnuTLS and with TLS-SRP support for this to
work. (Added in 7.21.4)
You need to build libcurl with GnuTLS or OpenSSL with TLS-SRP support for this
to work. (Added in 7.21.4)
.RE
.IP CURLOPT_TLSAUTH_USERNAME
Pass a char * as parameter, which should point to the zero-terminated username

37
lib/ssluse.c
View File

@ -1437,9 +1437,16 @@ ossl_connect_step1(struct connectdata *conn,
Curl_ossl_seed(data);
/* check to see if we've been told to use an explicit SSL/TLS version */
switch(data->set.ssl.version) {
default:
case CURL_SSLVERSION_DEFAULT:
#ifdef USE_TLS_SRP
if (data->set.ssl.authtype == CURL_TLSAUTH_SRP) {
infof(data, "Set version TLSv1 for SRP authorisation\n");
req_method = TLSv1_client_method() ;
} else
#endif
/* we try to figure out version */
req_method = SSLv23_client_method();
use_sni(TRUE);
@ -1449,10 +1456,18 @@ ossl_connect_step1(struct connectdata *conn,
use_sni(TRUE);
break;
case CURL_SSLVERSION_SSLv2:
#ifdef USE_TLS_SRP
if (data->set.ssl.authtype == CURL_TLSAUTH_SRP)
return CURLE_SSL_CONNECT_ERROR;
#endif
req_method = SSLv2_client_method();
use_sni(FALSE);
break;
case CURL_SSLVERSION_SSLv3:
#ifdef USE_TLS_SRP
if (data->set.ssl.authtype == CURL_TLSAUTH_SRP)
return CURLE_SSL_CONNECT_ERROR;
#endif
req_method = SSLv3_client_method();
use_sni(FALSE);
break;
@ -1547,6 +1562,28 @@ ossl_connect_step1(struct connectdata *conn,
}
}
#ifdef USE_TLS_SRP
if(data->set.ssl.authtype == CURL_TLSAUTH_SRP) {
infof(data, "Using TLS-SRP username: %s\n", data->set.ssl.username);
if (!SSL_CTX_set_srp_username(connssl->ctx, data->set.ssl.username)) {
failf(data, "Unable to set SRP user name");
return CURLE_BAD_FUNCTION_ARGUMENT;
}
if (!SSL_CTX_set_srp_password(connssl->ctx,data->set.ssl.password)) {
failf(data, "failed setting SRP password");
return CURLE_BAD_FUNCTION_ARGUMENT;
}
if(!data->set.str[STRING_SSL_CIPHER_LIST]) {
infof(data, "Setting cipher list SRP\n");
if(!SSL_CTX_set_cipher_list(connssl->ctx, "SRP")) {
failf(data, "failed setting SRP cipher list");
return CURLE_SSL_CIPHER;
}
}
}
#endif
if(data->set.str[STRING_SSL_CAFILE] || data->set.str[STRING_SSL_CAPATH]) {
/* tell SSL where to find CA certificates that are used to verify
the servers certificate. */