X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=apps%2Fdgst.c;h=191bc25ee82bbdc96c0cd17a1d1112c4e0d8dfa0;hp=eea291db1274f907c27b61ab2c02d5e5eded113f;hb=bb845ee044587a91589357a772a02cffb0ba4454;hpb=7dfb0b774e6592dcbfe47015168a0ac8b44e2a17

diff --git a/apps/dgst.c b/apps/dgst.c
index eea291db12..191bc25ee8 100644
--- a/apps/dgst.c
+++ b/apps/dgst.c
@@ -60,12 +60,13 @@
 #include <string.h>
 #include <stdlib.h>
 #include "apps.h"
-#include "bio.h"
-#include "err.h"
-#include "evp.h"
-#include "objects.h"
-#include "x509.h"
-#include "pem.h"
+#include <openssl/bio.h>
+#include <openssl/err.h>
+#include <openssl/evp.h>
+#include <openssl/objects.h>
+#include <openssl/x509.h>
+#include <openssl/pem.h>
+#include <openssl/hmac.h>
 
 #undef BUFSIZE
 #define BUFSIZE	1024*8
@@ -73,30 +74,65 @@
 #undef PROG
 #define PROG	dgst_main
 
-#ifndef NOPROTO
-void do_fp(unsigned char *buf,BIO *f,int sep);
-#else
-void do_fp();
-#endif
+int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
+	  EVP_PKEY *key, unsigned char *sigin, int siglen,
+	  const char *sig_name, const char *md_name,
+	  const char *file,BIO *bmd);
+
+static void list_md_fn(const EVP_MD *m,
+			const char *from, const char *to, void *arg)
+	{
+	const char *mname;
+	/* Skip aliases */
+	if (!m)
+		return;
+	mname = OBJ_nid2ln(EVP_MD_type(m));
+	/* Skip shortnames */
+	if (strcmp(from, mname))
+		return;
+	/* Skip clones */
+	if (EVP_MD_flags(m) & EVP_MD_FLAG_PKEY_DIGEST)
+		return;
+	if (strchr(mname, ' '))
+		mname= EVP_MD_name(m);
+	BIO_printf(arg, "-%-14s to use the %s message digest algorithm\n",
+			mname, mname);
+	}
+
+int MAIN(int, char **);
 
-int MAIN(argc,argv)
-int argc;
-char **argv;
+int MAIN(int argc, char **argv)
 	{
+	ENGINE *e = NULL, *impl = NULL;
 	unsigned char *buf=NULL;
-	int i,err=0;
-	EVP_MD *md=NULL,*m;
+	int i,err=1;
+	const EVP_MD *md=NULL,*m;
 	BIO *in=NULL,*inp;
 	BIO *bmd=NULL;
-	char *name;
-#define PROG_NAME_SIZE  16
-        char pname[PROG_NAME_SIZE];
+	BIO *out = NULL;
+#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;
+	int out_bin = -1, want_pub = 0, do_verify = 0;
+	EVP_PKEY *sigkey = NULL;
+	unsigned char *sigbuf = NULL;
+	int siglen = 0;
+	char *passargin = NULL, *passin = NULL;
+#ifndef OPENSSL_NO_ENGINE
+	char *engine=NULL;
+	int engine_impl = 0;
+#endif
+	char *hmac_key=NULL;
+	char *mac_name=NULL;
+	STACK_OF(OPENSSL_STRING) *sigopts = NULL, *macopts = NULL;
 
 	apps_startup();
 
-	if ((buf=(unsigned char *)Malloc(BUFSIZE)) == NULL)
+	if ((buf=(unsigned char *)OPENSSL_malloc(BUFSIZE)) == NULL)
 		{
 		BIO_printf(bio_err,"out of memory\n");
 		goto end;
@@ -105,20 +141,113 @@ 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);
 
 	argc--;
 	argv++;
-	for (i=0; i<argc; i++)
+	while (argc > 0)
 		{
 		if ((*argv)[0] != '-') break;
 		if (strcmp(*argv,"-c") == 0)
 			separator=1;
+		else if (strcmp(*argv,"-r") == 0)
+			separator=2;
+		else if (strcmp(*argv,"-rand") == 0)
+			{
+			if (--argc < 1) break;
+			randfile=*(++argv);
+			}
+		else if (strcmp(*argv,"-out") == 0)
+			{
+			if (--argc < 1) break;
+			outfile=*(++argv);
+			}
+		else if (strcmp(*argv,"-sign") == 0)
+			{
+			if (--argc < 1) break;
+			keyfile=*(++argv);
+			}
+		else if (!strcmp(*argv,"-passin"))
+			{
+			if (--argc < 1)
+				break;
+			passargin=*++argv;
+			}
+		else if (strcmp(*argv,"-verify") == 0)
+			{
+			if (--argc < 1) break;
+			keyfile=*(++argv);
+			want_pub = 1;
+			do_verify = 1;
+			}
+		else if (strcmp(*argv,"-prverify") == 0)
+			{
+			if (--argc < 1) break;
+			keyfile=*(++argv);
+			do_verify = 1;
+			}
+		else if (strcmp(*argv,"-signature") == 0)
+			{
+			if (--argc < 1) break;
+			sigfile=*(++argv);
+			}
+		else if (strcmp(*argv,"-keyform") == 0)
+			{
+			if (--argc < 1) break;
+			keyform=str2fmt(*(++argv));
+			}
+#ifndef OPENSSL_NO_ENGINE
+		else if (strcmp(*argv,"-engine") == 0)
+			{
+			if (--argc < 1) break;
+			engine= *(++argv);
+        		e = setup_engine(bio_err, engine, 0);
+			}
+		else if (strcmp(*argv,"-engine_impl") == 0)
+			engine_impl = 1;
+#endif
+		else if (strcmp(*argv,"-hex") == 0)
+			out_bin = 0;
+		else if (strcmp(*argv,"-binary") == 0)
+			out_bin = 1;
 		else if (strcmp(*argv,"-d") == 0)
 			debug=1;
+		else if (!strcmp(*argv,"-hmac"))
+			{
+			if (--argc < 1)
+				break;
+			hmac_key=*++argv;
+			}
+		else if (!strcmp(*argv,"-mac"))
+			{
+			if (--argc < 1)
+				break;
+			mac_name=*++argv;
+			}
+		else if (strcmp(*argv,"-sigopt") == 0)
+			{
+			if (--argc < 1)
+				break;
+			if (!sigopts)
+				sigopts = sk_OPENSSL_STRING_new_null();
+			if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv)))
+				break;
+			}
+		else if (strcmp(*argv,"-macopt") == 0)
+			{
+			if (--argc < 1)
+				break;
+			if (!macopts)
+				macopts = sk_OPENSSL_STRING_new_null();
+			if (!macopts || !sk_OPENSSL_STRING_push(macopts, *(++argv)))
+				break;
+			}
 		else if ((m=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 			md=m;
 		else
@@ -127,36 +256,57 @@ char **argv;
 		argv++;
 		}
 
-	if (md == NULL)
-		md=EVP_md5();
+
+	if(do_verify && !sigfile) {
+		BIO_printf(bio_err, "No signature to verify: use the -signature option\n");
+		goto end;
+	}
 
 	if ((argc > 0) && (argv[0][0] == '-')) /* bad option */
 		{
 		BIO_printf(bio_err,"unknown option '%s'\n",*argv);
 		BIO_printf(bio_err,"options are\n");
-		BIO_printf(bio_err,"-c   to output the digest with separating colons\n");
-		BIO_printf(bio_err,"-d   to output debug info\n");
-		BIO_printf(bio_err,"-%3s to use the %s message digest algorithm (default)\n",
-			LN_md5,LN_md5);
-		BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
-			LN_md2,LN_md2);
-		BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
-			LN_sha1,LN_sha1);
-		BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
-			LN_sha,LN_sha);
-		BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
-			LN_mdc2,LN_mdc2);
-		err=1;
+		BIO_printf(bio_err,"-c              to output the digest with separating colons\n");
+		BIO_printf(bio_err,"-r              to output the digest in coreutils format\n");
+		BIO_printf(bio_err,"-d              to output debug info\n");
+		BIO_printf(bio_err,"-hex            output as hex dump\n");
+		BIO_printf(bio_err,"-binary         output in binary form\n");
+		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,"-out filename   output to filename rather than stdout\n");
+		BIO_printf(bio_err,"-signature file signature to verify\n");
+		BIO_printf(bio_err,"-sigopt nm:v    signature parameter\n");
+		BIO_printf(bio_err,"-hmac key       create hashed MAC with key\n");
+		BIO_printf(bio_err,"-mac algorithm  create MAC (not neccessarily HMAC)\n"); 
+		BIO_printf(bio_err,"-macopt nm:v    MAC algorithm parameters or key\n");
+#ifndef OPENSSL_NO_ENGINE
+		BIO_printf(bio_err,"-engine e       use engine e, possibly a hardware device.\n");
+#endif
+
+		EVP_MD_do_all_sorted(list_md_fn, bio_err);
 		goto end;
 		}
-	
+
+#ifndef OPENSSL_NO_ENGINE
+	if (engine_impl)
+		impl = e;
+#endif
+
 	in=BIO_new(BIO_s_file());
 	bmd=BIO_new(BIO_f_md());
 	if (debug)
 		{
 		BIO_set_callback(in,BIO_debug_callback);
 		/* needed for windows 3.1 */
-		BIO_set_callback_arg(in,bio_err);
+		BIO_set_callback_arg(in,(char *)bio_err);
+		}
+
+	if(!app_passwd(bio_err, passargin, NULL, &passin, NULL))
+		{
+		BIO_printf(bio_err, "Error getting password\n");
+		goto end;
 		}
 
 	if ((in == NULL) || (bmd == NULL))
@@ -165,63 +315,333 @@ char **argv;
 		goto end;
 		}
 
+	if(out_bin == -1) {
+		if(keyfile)
+			out_bin = 1;
+		else
+			out_bin = 0;
+	}
+
+	if(randfile)
+		app_RAND_load_file(randfile, bio_err, 0);
+
+	if(outfile) {
+		if(out_bin)
+			out = BIO_new_file(outfile, "wb");
+		else    out = BIO_new_file(outfile, "w");
+	} else {
+		out = BIO_new_fp(stdout, BIO_NOCLOSE);
+#ifdef OPENSSL_SYS_VMS
+		{
+		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
+		out = BIO_push(tmpbio, out);
+		}
+#endif
+	}
+
+	if(!out) {
+		BIO_printf(bio_err, "Error opening output file %s\n", 
+					outfile ? outfile : "(stdout)");
+		ERR_print_errors(bio_err);
+		goto end;
+	}
+	if ((!!mac_name + !!keyfile + !!hmac_key) > 1)
+		{
+		BIO_printf(bio_err, "MAC and Signing key cannot both be specified\n");
+		goto end;
+		}
+
+	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, passin,
+				e, "key file");
+		if (!sigkey)
+			{
+			/* load_[pub]key() has already printed an appropriate
+			   message */
+			goto end;
+			}
+		}
+
+	if (mac_name)
+		{
+		EVP_PKEY_CTX *mac_ctx = NULL;
+		int r = 0;
+		if (!init_gen_str(bio_err, &mac_ctx, mac_name, impl, 0))
+			goto mac_end;
+		if (macopts)
+			{
+			char *macopt;
+			for (i = 0; i < sk_OPENSSL_STRING_num(macopts); i++)
+				{
+				macopt = sk_OPENSSL_STRING_value(macopts, i);
+				if (pkey_ctrl_string(mac_ctx, macopt) <= 0)
+					{
+					BIO_printf(bio_err,
+						"MAC parameter error \"%s\"\n",
+						macopt);
+					ERR_print_errors(bio_err);
+					goto mac_end;
+					}
+				}
+			}
+		if (EVP_PKEY_keygen(mac_ctx, &sigkey) <= 0)
+			{
+			BIO_puts(bio_err, "Error generating key\n");
+			ERR_print_errors(bio_err);
+			goto mac_end;
+			}
+		r = 1;
+		mac_end:
+		if (mac_ctx)
+			EVP_PKEY_CTX_free(mac_ctx);
+		if (r == 0)
+			goto end;
+		}
+
+	if (hmac_key)
+		{
+		sigkey = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, impl,
+					(unsigned char *)hmac_key, -1);
+		if (!sigkey)
+			goto end;
+		}
+
+	if (sigkey)
+		{
+		EVP_MD_CTX *mctx = NULL;
+		EVP_PKEY_CTX *pctx = NULL;
+		int r;
+		if (!BIO_get_md_ctx(bmd, &mctx))
+			{
+			BIO_printf(bio_err, "Error getting context\n");
+			ERR_print_errors(bio_err);
+			goto end;
+			}
+		if (do_verify)
+			r = EVP_DigestVerifyInit(mctx, &pctx, md, impl, sigkey);
+		else
+			r = EVP_DigestSignInit(mctx, &pctx, md, impl, sigkey);
+		if (!r)
+			{
+			BIO_printf(bio_err, "Error setting context\n");
+			ERR_print_errors(bio_err);
+			goto end;
+			}
+		if (sigopts)
+			{
+			char *sigopt;
+			for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++)
+				{
+				sigopt = sk_OPENSSL_STRING_value(sigopts, i);
+				if (pkey_ctrl_string(pctx, sigopt) <= 0)
+					{
+					BIO_printf(bio_err,
+						"parameter error \"%s\"\n",
+						sigopt);
+					ERR_print_errors(bio_err);
+					goto end;
+					}
+				}
+			}
+		}
 	/* we use md as a filter, reading from 'in' */
-	BIO_set_md(bmd,md);
+	else
+		{
+		EVP_MD_CTX *mctx = NULL;
+		if (!BIO_get_md_ctx(bmd, &mctx))
+			{
+			BIO_printf(bio_err, "Error getting context\n");
+			ERR_print_errors(bio_err);
+			goto end;
+			}
+		if (md == NULL)
+			md = EVP_md5(); 
+		if (!EVP_DigestInit_ex(mctx, md, impl))
+			{
+			BIO_printf(bio_err, "Error setting digest %s\n", pname);
+			ERR_print_errors(bio_err);
+			goto end;
+			}
+		}
+
+	if(sigfile && sigkey) {
+		BIO *sigbio;
+		sigbio = BIO_new_file(sigfile, "rb");
+		siglen = EVP_PKEY_size(sigkey);
+		sigbuf = OPENSSL_malloc(siglen);
+		if(!sigbio) {
+			BIO_printf(bio_err, "Error opening signature file %s\n",
+								sigfile);
+			ERR_print_errors(bio_err);
+			goto end;
+		}
+		siglen = BIO_read(sigbio, sigbuf, siglen);
+		BIO_free(sigbio);
+		if(siglen <= 0) {
+			BIO_printf(bio_err, "Error reading signature file %s\n",
+								sigfile);
+			ERR_print_errors(bio_err);
+			goto end;
+		}
+	}
 	inp=BIO_push(bmd,in);
 
+	if (md == NULL)
+		{
+		EVP_MD_CTX *tctx;
+		BIO_get_md_ctx(bmd, &tctx);
+		md = EVP_MD_CTX_md(tctx);
+		}
+
 	if (argc == 0)
 		{
 		BIO_set_fp(in,stdin,BIO_NOCLOSE);
-		do_fp(buf,inp,separator);
+		err=do_fp(out, buf,inp,separator, out_bin, sigkey, sigbuf,
+			  siglen,NULL,NULL,"stdin",bmd);
 		}
 	else
 		{
-		name=OBJ_nid2sn(md->type);
+		const char *md_name = NULL, *sig_name = NULL;
+		if(!out_bin)
+			{
+			if (sigkey)
+				{
+				const EVP_PKEY_ASN1_METHOD *ameth;
+				ameth = EVP_PKEY_get0_asn1(sigkey);
+				if (ameth)
+					EVP_PKEY_asn1_get0_info(NULL, NULL,
+						NULL, NULL, &sig_name, ameth);
+				}
+			md_name = EVP_MD_name(md);
+			}
+		err = 0;
 		for (i=0; i<argc; i++)
 			{
+			int r;
 			if (BIO_read_filename(in,argv[i]) <= 0)
 				{
 				perror(argv[i]);
 				err++;
 				continue;
 				}
-			printf("%s(%s)= ",name,argv[i]);
-			do_fp(buf,inp,separator);
-			BIO_reset(bmd);
+			else
+			r=do_fp(out,buf,inp,separator,out_bin,sigkey,sigbuf,
+				siglen,sig_name,md_name, argv[i],bmd);
+			if(r)
+			    err=r;
+			(void)BIO_reset(bmd);
 			}
 		}
 end:
 	if (buf != NULL)
 		{
-		memset(buf,0,BUFSIZE);
-		Free(buf);
+		OPENSSL_cleanse(buf,BUFSIZE);
+		OPENSSL_free(buf);
 		}
 	if (in != NULL) BIO_free(in);
+	if (passin)
+		OPENSSL_free(passin);
+	BIO_free_all(out);
+	EVP_PKEY_free(sigkey);
+	if (sigopts)
+		sk_OPENSSL_STRING_free(sigopts);
+	if (macopts)
+		sk_OPENSSL_STRING_free(macopts);
+	if(sigbuf) OPENSSL_free(sigbuf);
 	if (bmd != NULL) BIO_free(bmd);
-	EXIT(err);
+	apps_shutdown();
+	OPENSSL_EXIT(err);
 	}
 
-void do_fp(buf,bp,sep)
-unsigned char *buf;
-BIO *bp;
-int sep;
+int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
+	  EVP_PKEY *key, unsigned char *sigin, int siglen,
+	  const char *sig_name, const char *md_name,
+	  const char *file,BIO *bmd)
 	{
-	int len;
+	size_t len;
 	int i;
 
 	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_DigestVerifyFinal(ctx, sigin, (unsigned int)siglen); 
+		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 0;
+		}
+	if(key)
+		{
+		EVP_MD_CTX *ctx;
+		BIO_get_md_ctx(bp, &ctx);
+		len = BUFSIZE;
+		if(!EVP_DigestSignFinal(ctx, buf, &len)) 
+			{
+			BIO_printf(bio_err, "Error Signing Data\n");
+			ERR_print_errors(bio_err);
+			return 1;
+			}
+		}
+	else
+		{
+		len=BIO_gets(bp,(char *)buf,BUFSIZE);
+		if ((int)len <0)
+			{
+			ERR_print_errors(bio_err);
+			return 1;
+			}
 		}
-	len=BIO_gets(bp,(char *)buf,BUFSIZE);
 
-	for (i=0; i<len; i++)
+	if(binout) BIO_write(out, buf, len);
+	else if (sep == 2)
+		{
+		for (i=0; i<(int)len; i++)
+			BIO_printf(out, "%02x",buf[i]);
+		BIO_printf(out, " *%s\n", file);
+		}
+	else 
 		{
-		if (sep && (i != 0))
-			putc(':',stdout);
-		printf("%02x",buf[i]);
+		if (sig_name)
+			BIO_printf(out, "%s-%s(%s)= ", sig_name, md_name, file);
+		else if (md_name)
+			BIO_printf(out, "%s(%s)= ", md_name, file);
+		else
+			BIO_printf(out, "(%s)= ", file);
+		for (i=0; i<(int)len; i++)
+			{
+			if (sep && (i != 0))
+				BIO_printf(out, ":");
+			BIO_printf(out, "%02x",buf[i]);
+			}
+		BIO_printf(out, "\n");
 		}
-	printf("\n");
+	return 0;
 	}