ossl_config part is from
http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-dev/39053

ossl_ssl_sesion part is from
http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/branches/ruby_1_8/ext/openssl/ossl_ssl_session.c?r1=26850&r2=26861

diff -Naur ruby-1.8.7-p249/ext/openssl/ossl_config.c ruby-1.8.7-p249-1//ext/openssl/ossl_config.c
--- ruby-1.8.7-p249/ext/openssl/ossl_config.c	2009-11-18 06:20:22.000000000 +0100
+++ ruby-1.8.7-p249-1//ext/openssl/ossl_config.c	2010-06-18 01:19:04.000000000 +0200
@@ -303,12 +303,27 @@
 }
 
 #ifdef IMPLEMENT_LHASH_DOALL_ARG_FN
+
+#if OPENSSL_VERSION_NUMBER >= 0x10000000L
+static void
+get_conf_section_doall_arg(void *arg1, void *arg2)
+{
+    CONF_VALUE *cv;
+    VALUE ary;
+
+    cv = arg1;
+    ary = (VALUE)arg2;
+    if(cv->name) return;
+    rb_ary_push(ary, rb_str_new2(cv->section));
+}
+#else
 static void
 get_conf_section(CONF_VALUE *cv, VALUE ary)
 {
     if(cv->name) return;
     rb_ary_push(ary, rb_str_new2(cv->section));
 }
+#endif
 
 static IMPLEMENT_LHASH_DOALL_ARG_FN(get_conf_section, CONF_VALUE*, VALUE);
 
@@ -320,11 +335,44 @@
 
     GetConfig(self, conf);
     ary = rb_ary_new();
+
+#if OPENSSL_VERSION_NUMBER >= 0x10000000L
+    LHM_lh_doall_arg(CONF_VALUE, conf->data,
+		     LHASH_DOALL_ARG_FN(get_conf_section), void, (void*)ary);
+#else
     lh_doall_arg(conf->data, LHASH_DOALL_ARG_FN(get_conf_section), (void*)ary);
+#endif
 
     return ary;
 }
 
+#if OPENSSL_VERSION_NUMBER >= 0x10000000L
+static void
+dump_conf_value_doall_arg(void *arg1, void *arg2)
+{
+    STACK_OF(CONF_VALUE) *sk;
+    CONF_VALUE *cv, *v;
+    VALUE str;
+    int i, num;
+
+    cv = arg1;
+    if (cv->name) return;
+    str = (VALUE)arg2;
+    sk = (STACK_OF(CONF_VALUE)*)cv->value;
+    num = sk_CONF_VALUE_num(sk);
+    rb_str_cat2(str, "[ ");
+    rb_str_cat2(str, cv->section);
+    rb_str_cat2(str, " ]\n");
+    for(i = 0; i < num; i++){
+	v = sk_CONF_VALUE_value(sk, i);
+	rb_str_cat2(str, v->name ? v->name : "None");
+	rb_str_cat2(str, "=");
+	rb_str_cat2(str, v->value ? v->value : "None");
+	rb_str_cat2(str, "\n");
+    }
+    rb_str_cat2(str, "\n");
+}
+#else
 static void
 dump_conf_value(CONF_VALUE *cv, VALUE str)
 {
@@ -347,6 +395,7 @@
     }
     rb_str_cat2(str, "\n");
 }
+#endif
 
 static IMPLEMENT_LHASH_DOALL_ARG_FN(dump_conf_value, CONF_VALUE*, VALUE);
 
@@ -356,7 +405,12 @@
     VALUE str;
 
     str = rb_str_new(0, 0);
+#if OPENSSL_VERSION_NUMBER >= 0x10000000L
+    LHM_lh_doall_arg(CONF_VALUE, conf->data,
+		     LHASH_DOALL_ARG_FN(dump_conf_value), void, (void*)str);
+#else
     lh_doall_arg(conf->data, LHASH_DOALL_ARG_FN(dump_conf_value), (void*)str);
+#endif
 
     return str;
 }
@@ -371,8 +425,32 @@
     return dump_conf(conf);
 }
 
+#if OPENSSL_VERSION_NUMBER >= 0x10000000L
+static void
+each_conf_value_doall_arg(void *arg1, void* dummy)
+{
+    STACK_OF(CONF_VALUE) *sk;
+    CONF_VALUE *cv, *v;
+    VALUE section, name, value, args;
+    int i, num;
+
+    cv = arg1;
+    if (cv->name) return;
+    sk = (STACK_OF(CONF_VALUE)*)cv->value;
+    num = sk_CONF_VALUE_num(sk);
+    section = rb_str_new2(cv->section);
+    for(i = 0; i < num; i++){
+	v = sk_CONF_VALUE_value(sk, i);
+	name = v->name ? rb_str_new2(v->name) : Qnil;
+	value = v->value ? rb_str_new2(v->value) : Qnil;
+        args = rb_ary_new3(3, section, name, value);
+	rb_yield(args);
+    }
+}
+#else
 static void
-each_conf_value(CONF_VALUE *cv, void* dummy)
+each_conf_value
+(CONF_VALUE *cv, void* dummy)
 {
     STACK_OF(CONF_VALUE) *sk;
     CONF_VALUE *v;
@@ -391,6 +469,7 @@
 	rb_yield(args);
     }
 }
+#endif
 
 static IMPLEMENT_LHASH_DOALL_ARG_FN(each_conf_value, CONF_VALUE*, void*);
 
@@ -400,7 +479,12 @@
     CONF *conf;
 
     GetConfig(self, conf);
+#if OPENSSL_VERSION_NUMBER >= 0x10000000L
+    LHM_lh_doall_arg(CONF_VALUE, conf->data,
+		     LHASH_DOALL_ARG_FN(each_conf_value), void, (void*)NULL);
+#else
     lh_doall_arg(conf->data, LHASH_DOALL_ARG_FN(each_conf_value), (void*)NULL);
+#endif
 
     return self;
 }
@@ -431,7 +515,7 @@
 ossl_config_inspect(VALUE self)
 {
     VALUE str, ary = ossl_config_get_sections(self);
-    char *cname = rb_class2name(rb_obj_class(self));
+    const char *cname = rb_class2name(rb_obj_class(self));
 
     str = rb_str_new2("#<");
     rb_str_cat2(str, cname);
diff -Naur ruby-1.8.7-p249/ext/openssl/ossl_ssl_session.c ruby-1.8.7-p249-1//ext/openssl/ossl_ssl_session.c
--- ruby-1.8.7-p249/ext/openssl/ossl_ssl_session.c	2008-06-06 10:05:24.000000000 +0200
+++ ruby-1.8.7-p249-1//ext/openssl/ossl_ssl_session.c	2010-06-18 01:19:13.000000000 +0200
@@ -86,9 +86,18 @@
 	GetSSLSession(val1, ctx1);
 	SafeGetSSLSession(val2, ctx2);
 
-	switch (SSL_SESSION_cmp(ctx1, ctx2)) {
-	case 0:		return Qtrue;
-	default:	return Qfalse;
+	/*
+	 * OpenSSL 1.0.0betas do not have non-static SSL_SESSION_cmp.
+	 * ssl_session_cmp (was SSL_SESSION_cmp in 0.9.8) is for lhash
+	 * comparing so we should not depend on it.  Just compare sessions
+	 * by version and id.
+	 */
+	if ((ctx1->ssl_version == ctx2->ssl_version) &&
+	    (ctx1->session_id_length == ctx2->session_id_length) &&
+	    (memcmp(ctx1->session_id, ctx2->session_id, ctx1->session_id_length) == 0)) {
+	    return Qtrue;
+	} else {
+	    return Qfalse;
 	}
 }