Nils Larsch submitted;
[openssl.git] / apps / dgst.c
index ab3e2dbb02486e6afedd00ffd8e92c2499e70998..280f79b4a23abaf5f1c3029642763bdc5dd7536f 100644 (file)
@@ -66,7 +66,6 @@
 #include <openssl/objects.h>
 #include <openssl/x509.h>
 #include <openssl/pem.h>
-#include <openssl/engine.h>
 
 #undef BUFSIZE
 #define BUFSIZE        1024*8
@@ -74,8 +73,9 @@
 #undef PROG
 #define PROG   dgst_main
 
-void do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, char binout,
-               EVP_PKEY *key, unsigned char *sigin, int siglen);
+int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
+         EVP_PKEY *key, unsigned char *sigin, int siglen, const char *title,
+         const char *file);
 
 int MAIN(int, char **);
 
@@ -89,13 +89,14 @@ int MAIN(int argc, char **argv)
        BIO *bmd=NULL;
        BIO *out = NULL;
        const char *name;
-#define PROG_NAME_SIZE  16
-       char pname[PROG_NAME_SIZE];
+#define PROG_NAME_SIZE  39
+       char pname[PROG_NAME_SIZE+1];
        int separator=0;
        int debug=0;
+       int keyform=FORMAT_PEM;
        const char *outfile = NULL, *keyfile = NULL;
        const char *sigfile = NULL, *randfile = NULL;
-       char out_bin = -1, want_pub = 0, do_verify = 0;
+       int out_bin = -1, want_pub = 0, do_verify = 0;
        EVP_PKEY *sigkey = NULL;
        unsigned char *sigbuf = NULL;
        int siglen = 0;
@@ -112,8 +113,11 @@ 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);
+       program_name(argv[0],pname,sizeof pname);
 
        md=EVP_get_digestbyname(pname);
 
@@ -157,6 +161,11 @@ int MAIN(int argc, char **argv)
                        if (--argc < 1) break;
                        sigfile=*(++argv);
                        }
+               else if (strcmp(*argv,"-keyform") == 0)
+                       {
+                       if (--argc < 1) break;
+                       keyform=str2fmt(*(++argv));
+                       }
                else if (strcmp(*argv,"-engine") == 0)
                        {
                        if (--argc < 1) break;
@@ -196,6 +205,7 @@ int MAIN(int argc, char **argv)
                BIO_printf(bio_err,"-sign   file    sign digest using private key in file\n");
                BIO_printf(bio_err,"-verify file    verify a signature using public key in file\n");
                BIO_printf(bio_err,"-prverify file  verify a signature using private key in file\n");
+               BIO_printf(bio_err,"-keyform arg    key file format (PEM or ENGINE)\n");
                BIO_printf(bio_err,"-signature file signature to verify\n");
                BIO_printf(bio_err,"-binary         output in binary form\n");
                BIO_printf(bio_err,"-engine e       use engine e, possibly a hardware device.\n");
@@ -218,23 +228,7 @@ int MAIN(int argc, char **argv)
                goto end;
                }
 
-       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);
 
        in=BIO_new(BIO_s_file());
        bmd=BIO_new(BIO_f_md());
@@ -265,7 +259,7 @@ int MAIN(int argc, char **argv)
                else    out = BIO_new_file(outfile, "w");
        } else {
                out = BIO_new_fp(stdout, BIO_NOCLOSE);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
                {
                BIO *tmpbio = BIO_new(BIO_f_linebuffer());
                out = BIO_push(tmpbio, out);
@@ -280,27 +274,21 @@ int MAIN(int argc, char **argv)
                goto end;
        }
 
-       if(keyfile) {
-               BIO *keybio;
-               keybio = BIO_new_file(keyfile, "r");
-               if(!keybio) {
-                       BIO_printf(bio_err, "Error opening key file %s\n",
-                                                               keyfile);
-                       ERR_print_errors(bio_err);
-                       goto end;
-               }
-               
-               if(want_pub) 
-                       sigkey = PEM_read_bio_PUBKEY(keybio, NULL, NULL, NULL);
-               else sigkey = PEM_read_bio_PrivateKey(keybio, NULL, NULL, NULL);
-               BIO_free(keybio);
-               if(!sigkey) {
-                       BIO_printf(bio_err, "Error reading key file %s\n",
-                                                               keyfile);
-                       ERR_print_errors(bio_err);
+       if(keyfile)
+               {
+               if (want_pub)
+                       sigkey = load_pubkey(bio_err, keyfile, keyform, 0, NULL,
+                               e, "key file");
+               else
+                       sigkey = load_key(bio_err, keyfile, keyform, 0, NULL,
+                               e, "key file");
+               if (!sigkey)
+                       {
+                       /* load_[pub]key() has already printed an appropriate
+                          message */
                        goto end;
+                       }
                }
-       }
 
        if(sigfile && sigkey) {
                BIO *sigbio;
@@ -332,29 +320,43 @@ int MAIN(int argc, char **argv)
        if (argc == 0)
                {
                BIO_set_fp(in,stdin,BIO_NOCLOSE);
-               do_fp(out, buf,inp,separator, out_bin, sigkey, sigbuf, siglen);
+               err=do_fp(out, buf,inp,separator, out_bin, sigkey, sigbuf,
+                         siglen,"","(stdin)");
                }
        else
                {
                name=OBJ_nid2sn(md->type);
                for (i=0; i<argc; i++)
                        {
+                       char *tmp,*tofree=NULL;
+                       int r;
+
                        if (BIO_read_filename(in,argv[i]) <= 0)
                                {
                                perror(argv[i]);
                                err++;
                                continue;
                                }
-                       if(!out_bin) BIO_printf(out, "%s(%s)= ",name,argv[i]);
-                       do_fp(out, buf,inp,separator, out_bin, sigkey, 
-                                                               sigbuf, siglen);
+                       if(!out_bin)
+                               {
+                               tmp=tofree=OPENSSL_malloc(strlen(name)+strlen(argv[i])+5);
+                               sprintf(tmp,"%s(%s)= ",name,argv[i]);
+                               }
+                       else
+                               tmp="";
+                       r=do_fp(out,buf,inp,separator,out_bin,sigkey,sigbuf,
+                               siglen,tmp,argv[i]);
+                       if(r)
+                           err=r;
+                       if(tofree)
+                               OPENSSL_free(tofree);
                        (void)BIO_reset(bmd);
                        }
                }
 end:
        if (buf != NULL)
                {
-               memset(buf,0,BUFSIZE);
+               OPENSSL_cleanse(buf,BUFSIZE);
                OPENSSL_free(buf);
                }
        if (in != NULL) BIO_free(in);
@@ -362,11 +364,13 @@ end:
        EVP_PKEY_free(sigkey);
        if(sigbuf) OPENSSL_free(sigbuf);
        if (bmd != NULL) BIO_free(bmd);
-       EXIT(err);
+       apps_shutdown();
+       OPENSSL_EXIT(err);
        }
 
-void do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, char binout,
-                       EVP_PKEY *key, unsigned char *sigin, int siglen)
+int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
+         EVP_PKEY *key, unsigned char *sigin, int siglen, const char *title,
+         const char *file)
        {
        int len;
        int i;
@@ -374,21 +378,33 @@ void do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, char binout,
        for (;;)
                {
                i=BIO_read(bp,(char *)buf,BUFSIZE);
-               if (i <= 0) break;
+               if(i < 0)
+                       {
+                       BIO_printf(bio_err, "Read Error in %s\n",file);
+                       ERR_print_errors(bio_err);
+                       return 1;
+                       }
+               if (i == 0) break;
                }
        if(sigin)
                {
                EVP_MD_CTX *ctx;
                BIO_get_md_ctx(bp, &ctx);
                i = EVP_VerifyFinal(ctx, sigin, (unsigned int)siglen, key); 
-               if(i > 0) BIO_printf(out, "Verified OK\n");
-               else if(i == 0) BIO_printf(out, "Verification Failure\n");
+               if(i > 0)
+                       BIO_printf(out, "Verified OK\n");
+               else if(i == 0)
+                       {
+                       BIO_printf(out, "Verification Failure\n");
+                       return 1;
+                       }
                else
                        {
                        BIO_printf(bio_err, "Error Verifying Data\n");
                        ERR_print_errors(bio_err);
+                       return 1;
                        }
-               return;
+               return 0;
                }
        if(key)
                {
@@ -398,7 +414,7 @@ void do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, char binout,
                        {
                        BIO_printf(bio_err, "Error Signing Data\n");
                        ERR_print_errors(bio_err);
-                       return;
+                       return 1;
                        }
                }
        else
@@ -407,6 +423,7 @@ void do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, char binout,
        if(binout) BIO_write(out, buf, len);
        else 
                {
+               BIO_write(out,title,strlen(title));
                for (i=0; i<len; i++)
                        {
                        if (sep && (i != 0))
@@ -415,5 +432,6 @@ void do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, char binout,
                        }
                BIO_printf(out, "\n");
                }
+       return 0;
        }