Only use DSA-functions if available.
[openssl.git] / apps / enc.c
index 332c2ba..1ba2ea2 100644 (file)
 #include <openssl/objects.h>
 #include <openssl/x509.h>
 #include <openssl/rand.h>
-#ifndef OPENSSL_NO_MD5
-#include <openssl/md5.h>
-#endif
 #include <openssl/pem.h>
-#include <openssl/engine.h>
 #include <ctype.h>
 
 int set_hex(char *in,unsigned char *out,int size);
@@ -82,7 +78,7 @@ int set_hex(char *in,unsigned char *out,int size);
 #define BSIZE  (8*1024)
 #define        PROG    enc_main
 
-void show_ciphers(const OBJ_NAME *name,void *bio_)
+static void show_ciphers(const OBJ_NAME *name,void *bio_)
        {
        BIO *bio=bio_;
        static int n;
@@ -121,8 +117,8 @@ int MAIN(int argc, char **argv)
        const EVP_CIPHER *cipher=NULL,*c;
        char *inf=NULL,*outf=NULL;
        BIO *in=NULL,*out=NULL,*b64=NULL,*benc=NULL,*rbio=NULL,*wbio=NULL;
-#define PROG_NAME_SIZE  16
-       char pname[PROG_NAME_SIZE];
+#define PROG_NAME_SIZE  39
+       char pname[PROG_NAME_SIZE+1];
        char *engine = NULL;
 
        apps_startup();
@@ -131,6 +127,9 @@ int MAIN(int argc, char **argv)
                if ((bio_err=BIO_new(BIO_s_file())) != NULL)
                        BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 
+       if (!load_config(bio_err, NULL))
+               goto end;
+
        /* first check the program name */
        program_name(argv[0],pname,PROG_NAME_SIZE);
        if (strcmp(pname,"base64") == 0)
@@ -285,23 +284,7 @@ bad:
                argv++;
                }
 
-       if (engine != NULL)
-               {
-               if((e = ENGINE_by_id(engine)) == NULL)
-                       {
-                       BIO_printf(bio_err,"invalid engine \"%s\"\n",
-                               engine);
-                       goto end;
-                       }
-               if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
-                       {
-                       BIO_printf(bio_err,"can't use that engine\n");
-                       goto end;
-                       }
-               BIO_printf(bio_err,"engine \"%s\" set.\n", engine);
-               /* Free our "structural" reference. */
-               ENGINE_free(e);
-               }
+        e = setup_engine(bio_err, engine, 0);
 
        if (bufsize != NULL)
                {
@@ -507,6 +490,14 @@ bad:
                        BIO_printf(bio_err,"invalid hex iv value\n");
                        goto end;
                        }
+               if ((hiv == NULL) && (str == NULL))
+                       {
+                       /* No IV was explicitly set and no IV was generated
+                        * during EVP_BytesToKey. Hence the IV is undefined,
+                        * making correct decryption impossible. */
+                       BIO_printf(bio_err, "iv undefined\n");
+                       goto end;
+                       }
                if ((hkey != NULL) && !set_hex(hkey,key,sizeof key))
                        {
                        BIO_printf(bio_err,"invalid hex key value\n");
@@ -594,6 +585,7 @@ end:
        if (benc != NULL) BIO_free(benc);
        if (b64 != NULL) BIO_free(b64);
        if(pass) OPENSSL_free(pass);
+       apps_shutdown();
        EXIT(ret);
        }