additional changes required to openssl-3.5.0 for compilation. (#19)

Reviewed-on: http://13.234.246.121:3000/Neominds/ossl35vx69/pulls/19
Co-authored-by: siddhant <siddhant.singh@neominds.in>
Co-committed-by: siddhant <siddhant.singh@neominds.in>

vxworks-6.9/target/src/openssl/OPENSSL/openssl-3.5.0/crypto/bio/bss_dgram.c

@@ -1192,7 +1192,7 @@ static int pack_local(BIO *b, MSGHDR_TYPE *mh, const BIO_ADDR *local) {
         cmsg->cmsg_type  = IP_PKTINFO;
 
         info = (struct in_pktinfo *)BIO_CMSG_DATA(cmsg);
-#   if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_CYGWIN) && !defined(__FreeBSD__) && !defined(__QNX__)
+#   if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_CYGWIN) && !defined(__FreeBSD__) && !defined(__QNX__) && !defined(OPENSSL_SYS_VXWORKS)
         info->ipi_spec_dst      = local->s_in.sin_addr;
 #   endif
         info->ipi_addr.s_addr   = 0;

vxworks-6.9/target/src/openssl/OPENSSL/openssl-3.5.0/crypto/defaults.c

@@ -169,7 +169,7 @@ const char *ossl_get_enginesdir(void)
         return NULL;
     return (const char *)enginesdirptr;
 #else
-    return ENGINESDIR;
+    return "/engines_dummy";
 #endif
 }
 

vxworks-6.9/target/src/openssl/OPENSSL/openssl-3.5.0/crypto/evp/legacy_mdc2.c

@@ -17,6 +17,8 @@
 #include "crypto/evp.h"
 #include "legacy_meth.h"
 
+#define MDC2_BLOCK              8
+
 IMPLEMENT_LEGACY_EVP_MD_METH(mdc2, MDC2)
 
 static const EVP_MD mdc2_md = {

vxworks-6.9/target/src/openssl/OPENSSL/openssl-3.5.0/crypto/mdc2/mdc2_one.c

@@ -16,6 +16,25 @@
 #include <stdio.h>
 #include "internal/cryptlib.h"
 #include <openssl/mdc2.h>
+#include <openssl/des.h>
+
+#  define MDC2_DIGEST_LENGTH      16
+
+#   define MDC2_BLOCK              8
+
+typedef struct mdc2_ctx_st {
+    unsigned int num;
+    unsigned char data[MDC2_BLOCK];
+    DES_cblock h, hh;
+    unsigned int pad_type;   /* either 1 or 2, default 1 */
+} MDC2_CTX;
+
+int MDC2_Init(MDC2_CTX *c);
+int MDC2_Update(MDC2_CTX *c, const unsigned char *data,
+                                      size_t len);
+int MDC2_Final(unsigned char *md, MDC2_CTX *c);
+unsigned char *MDC2(const unsigned char *d, size_t n,
+                                          unsigned char *md);
 
 unsigned char *MDC2(const unsigned char *d, size_t n, unsigned char *md)
 {