1 files changed, 157 insertions, 0 deletions

diff --git a/src/lib/libssl/src/demos/x509/mkreq.c b/src/lib/libssl/src/demos/x509/mkreq.c
new file mode 100644
index 0000000000..d69dcc392b
--- /dev/null
+++ b/src/lib/libssl/src/demos/x509/mkreq.c
@@ -0,0 +1,157 @@
+/* Certificate request creation. Demonstrates some request related
+ * operations.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <openssl/pem.h>
+#include <openssl/conf.h>
+#include <openssl/x509v3.h>
+#include <openssl/engine.h>
+
+int mkreq(X509_REQ **x509p, EVP_PKEY **pkeyp, int bits, int serial, int days);
+int add_ext(STACK_OF(X509_REQUEST) *sk, int nid, char *value);
+
+int main(int argc, char **argv)
+        {
+        BIO *bio_err;
+        X509_REQ *req=NULL;
+        EVP_PKEY *pkey=NULL;
+
+        CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
+
+        bio_err=BIO_new_fp(stderr, BIO_NOCLOSE);
+
+        mkreq(&req,&pkey,512,0,365);
+
+        RSA_print_fp(stdout,pkey->pkey.rsa,0);
+        X509_REQ_print_fp(stdout,req);
+
+        PEM_write_X509_REQ(stdout,req);
+
+        X509_REQ_free(req);
+        EVP_PKEY_free(pkey);
+
+        ENGINE_cleanup();
+        CRYPTO_cleanup_all_ex_data();
+
+        CRYPTO_mem_leaks(bio_err);
+        BIO_free(bio_err);
+        return(0);
+        }
+
+static void callback(int p, int n, void *arg)
+        {
+        char c='B';
+
+        if (p == 0) c='.';
+        if (p == 1) c='+';
+        if (p == 2) c='*';
+        if (p == 3) c='\n';
+        fputc(c,stderr);
+        }
+
+int mkreq(X509_REQ **req, EVP_PKEY **pkeyp, int bits, int serial, int days)
+        {
+        X509_REQ *x;
+        EVP_PKEY *pk;
+        RSA *rsa;
+        X509_NAME *name=NULL;
+        STACK_OF(X509_EXTENSION) *exts = NULL;
+        
+        if ((pk=EVP_PKEY_new()) == NULL)
+                goto err;
+
+        if ((x=X509_REQ_new()) == NULL)
+                goto err;
+
+        rsa=RSA_generate_key(bits,RSA_F4,callback,NULL);
+        if (!EVP_PKEY_assign_RSA(pk,rsa))
+                goto err;
+
+        rsa=NULL;
+
+        X509_REQ_set_pubkey(x,pk);
+
+        name=X509_REQ_get_subject_name(x);
+
+        /* This function creates and adds the entry, working out the
+         * correct string type and performing checks on its length.
+         * Normally we'd check the return value for errors...
+         */
+        X509_NAME_add_entry_by_txt(name,"C",
+                                MBSTRING_ASC, "UK", -1, -1, 0);
+        X509_NAME_add_entry_by_txt(name,"CN",
+                                MBSTRING_ASC, "OpenSSL Group", -1, -1, 0);
+
+#ifdef REQUEST_EXTENSIONS
+        /* Certificate requests can contain extensions, which can be used
+         * to indicate the extensions the requestor would like added to 
+         * their certificate. CAs might ignore them however or even choke
+         * if they are present.
+         */
+
+        /* For request extensions they are all packed in a single attribute.
+         * We save them in a STACK and add them all at once later...
+         */
+
+        exts = sk_X509_EXTENSION_new_null();
+        /* Standard extenions */
+
+        add_ext(exts, NID_key_usage, "critical,digitalSignature,keyEncipherment");
+
+        /* This is a typical use for request extensions: requesting a value for
+         * subject alternative name.
+         */
+
+        add_ext(exts, NID_subject_alt_name, "email:steve@openssl.org");
+
+        /* Some Netscape specific extensions */
+        add_ext(exts, NID_netscape_cert_type, "client,email");
+
+
+
+#ifdef CUSTOM_EXT
+        /* Maybe even add our own extension based on existing */
+        {
+                int nid;
+                nid = OBJ_create("1.2.3.4", "MyAlias", "My Test Alias Extension");
+                X509V3_EXT_add_alias(nid, NID_netscape_comment);
+                add_ext(x, nid, "example comment alias");
+        }
+#endif
+
+        /* Now we've created the extensions we add them to the request */
+
+        X509_REQ_add_extensions(x, exts);
+
+        sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
+
+#endif
+        
+        if (!X509_REQ_sign(x,pk,EVP_md5()))
+                goto err;
+
+        *req=x;
+        *pkeyp=pk;
+        return(1);
+err:
+        return(0);
+        }
+
+/* Add extension using V3 code: we can set the config file as NULL
+ * because we wont reference any other sections.
+ */
+
+int add_ext(STACK_OF(X509_REQUEST) *sk, int nid, char *value)
+        {
+        X509_EXTENSION *ex;
+        ex = X509V3_EXT_conf_nid(NULL, NULL, nid, value);
+        if (!ex)
+                return 0;
+        sk_X509_EXTENSION_push(sk, ex);
+
+        return 1;
+        }
+