security/heimdal: Fix build when EGD is not available (e.g. LibreSSL)

Approved by:	SSL blanket

security/heimdal/Makefile

@@ -20,9 +20,8 @@ CONFLICTS=	krb4-[0-9]* krb5-[0-9]* krb5-maint-[0-9]* srp-[0-9]* \
 		wu-ftpd-[0-9]* wu-ftpd+ipv6-[0-9]*
 
 USES=		gettext gssapi:bootstrap,heimdal libtool pathfix pkgconfig \
-		readline makeinfo
+		readline makeinfo ssl
 USE_LDCONFIG=	${GSSAPILIBDIR}
-USE_OPENSSL=	yes
 GNU_CONFIGURE=	yes
 INSTALL_TARGET=	install-strip
 CONFIGURE_ENV=	ac_cv_header_fnmatch_h=yes \

security/heimdal/files/patch-lib_hcrypto_rand-egd.c

@@ -0,0 +1,16 @@
+--- lib/hcrypto/rand-egd.c.orig	2012-12-09 22:06:44 UTC
++++ lib/hcrypto/rand-egd.c
+@@ -54,6 +54,7 @@ static const char *egd_path = "/var/run/
+ 
+ #define MAX_EGD_DATA 255
+ 
++#ifndef OPENSSL_NO_EGD
+ static int
+ connect_egd(const char *path)
+ {
+@@ -258,3 +259,5 @@ RAND_egd_bytes(const char *filename, int
+ 
+     return 1;
+ }
++
++#endif

security/heimdal/files/patch-lib_krb5_crypto-rand.c

@@ -0,0 +1,13 @@
+--- lib/krb5/crypto-rand.c.orig	2012-12-09 22:06:44 UTC
++++ lib/krb5/crypto-rand.c
+@@ -70,8 +70,10 @@ seed_something(void)
+ 	if (!krb5_init_context(&context)) {
+ 	    p = krb5_config_get_string(context, NULL, "libdefaults",
+ 				       "egd_socket", NULL);
++# ifndef OPENSSL_NO_EGD
+ 	    if (p != NULL)
+ 		RAND_egd_bytes(p, ENTROPY_NEEDED);
++# endif
+ 	    krb5_free_context(context);
+ 	}
+ #else