Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.bin/openssl/dgst.c	Lines:	88	326	27.0 %
Date:	2016-12-06	Branches:	41	222	18.5 %


/* $OpenBSD: dgst.c,v 1.9 2015/10/17 15:00:11 doug Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 *
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 *
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 *
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "apps.h"

#include <openssl/bio.h>
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/hmac.h>
#include <openssl/objects.h>
#include <openssl/pem.h>
#include <openssl/x509.h>

#define BUFSIZE	1024*8

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
dgst_main(int argc, char **argv)
{
	unsigned char *buf = NULL;
	int i, err = 1;
	const EVP_MD *md = NULL, *m;
	BIO *in = NULL, *inp;
	BIO *bmd = NULL;
	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;
	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;
	char *hmac_key = NULL;
	char *mac_name = NULL;
	STACK_OF(OPENSSL_STRING) * sigopts = NULL, *macopts = NULL;

	if (single_execution) {
		if (pledge("stdio rpath wpath cpath tty", NULL) == -1) {
			perror("pledge");
			exit(1);
		}
	}

	if ((buf = malloc(BUFSIZE)) == NULL) {
		BIO_printf(bio_err, "out of memory\n");
		goto end;
	}

	/* first check the program name */
	program_name(argv[0], pname, sizeof pname);

	md = EVP_get_digestbyname(pname);

	argc--;
	argv++;
	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, "-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));
		}
		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
			break;
		argc--;
		argv++;
	}


	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, "-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)\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");

		EVP_MD_do_all_sorted(list_md_fn, bio_err);
		goto end;
	}

	in = BIO_new(BIO_s_file());
	bmd = BIO_new(BIO_f_md());
	if (in == NULL || bmd == NULL) {
		ERR_print_errors(bio_err);
		goto end;
	}

	if (debug) {
		BIO_set_callback(in, BIO_debug_callback);
		/* needed for windows 3.1 */
		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 (out_bin == -1) {
		if (keyfile)
			out_bin = 1;
		else
			out_bin = 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);
	}

	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,
			    "key file");
		else
			sigkey = load_key(bio_err, keyfile, keyform, 0, passin,
			    "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, 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, NULL,
		    (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, NULL, sigkey);
		else
			r = EVP_DigestSignInit(mctx, &pctx, md, NULL, 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' */
	else {
		if (md == NULL)
			md = EVP_md5();
		if (!BIO_set_md(bmd, md)) {
			BIO_printf(bio_err, "Error setting digest %s\n", pname);
			ERR_print_errors(bio_err);
			goto end;
		}
	}

	if (sigfile && sigkey) {
		BIO *sigbio;
		siglen = EVP_PKEY_size(sigkey);
		sigbuf = malloc(siglen);
		if (sigbuf == NULL) {
			BIO_printf(bio_err, "out of memory\n");
			ERR_print_errors(bio_err);
			goto end;
		}
		sigbio = BIO_new_file(sigfile, "rb");
		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);
		err = do_fp(out, buf, inp, separator, out_bin, sigkey, sigbuf,
		    siglen, NULL, NULL, "stdin", bmd);
	} else {
		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;
			} 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) {
		explicit_bzero(buf, BUFSIZE);
		free(buf);
	}
	if (in != NULL)
		BIO_free(in);
	free(passin);
	BIO_free_all(out);
	EVP_PKEY_free(sigkey);
	if (sigopts)
		sk_OPENSSL_STRING_free(sigopts);
	if (macopts)
		sk_OPENSSL_STRING_free(macopts);
	free(sigbuf);
	if (bmd != NULL)
		BIO_free(bmd);

	return (err);
}

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)
{
	size_t len;
	int i;

	for (;;) {
		i = BIO_read(bp, (char *) buf, BUFSIZE);
		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;
		}
	}

	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 (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");
	}
	return 0;
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: dgst.c,v 1.9 2015/10/17 15:00:11 doug Exp $ */
2			/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3			* All rights reserved.
4			*
5			* This package is an SSL implementation written
6			* by Eric Young (eay@cryptsoft.com).
7			* The implementation was written so as to conform with Netscapes SSL.
8			*
9			* This library is free for commercial and non-commercial use as long as
10			* the following conditions are aheared to. The following conditions
11			* apply to all code found in this distribution, be it the RC4, RSA,
12			* lhash, DES, etc., code; not just the SSL code. The SSL documentation
13			* included with this distribution is covered by the same copyright terms
14			* except that the holder is Tim Hudson (tjh@cryptsoft.com).
15			*
16			* Copyright remains Eric Young's, and as such any Copyright notices in
17			* the code are not to be removed.
18			* If this package is used in a product, Eric Young should be given attribution
19			* as the author of the parts of the library used.
20			* This can be in the form of a textual message at program startup or
21			* in documentation (online or textual) provided with the package.
22			*
23			* Redistribution and use in source and binary forms, with or without
24			* modification, are permitted provided that the following conditions
25			* are met:
26			* 1. Redistributions of source code must retain the copyright
27			* notice, this list of conditions and the following disclaimer.
28			* 2. Redistributions in binary form must reproduce the above copyright
29			* notice, this list of conditions and the following disclaimer in the
30			* documentation and/or other materials provided with the distribution.
31			* 3. All advertising materials mentioning features or use of this software
32			* must display the following acknowledgement:
33			* "This product includes cryptographic software written by
34			* Eric Young (eay@cryptsoft.com)"
35			* The word 'cryptographic' can be left out if the rouines from the library
36			* being used are not cryptographic related :-).
37			* 4. If you include any Windows specific code (or a derivative thereof) from
38			* the apps directory (application code) you must include an acknowledgement:
39			* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40			*
41			* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44			* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51			* SUCH DAMAGE.
52			*
53			* The licence and distribution terms for any publically available version or
54			* derivative of this code cannot be changed. i.e. this code cannot simply be
55			* copied and put under another distribution licence
56			* [including the GNU Public Licence.]
57			*/
58
59			#include <stdio.h>
60			#include <stdlib.h>
61			#include <string.h>
62
63			#include "apps.h"
64
65			#include <openssl/bio.h>
66			#include <openssl/err.h>
67			#include <openssl/evp.h>
68			#include <openssl/hmac.h>
69			#include <openssl/objects.h>
70			#include <openssl/pem.h>
71			#include <openssl/x509.h>
72
73			#define BUFSIZE 1024*8
74
75			int
76			do_fp(BIO * out, unsigned char buf, BIO bp, int sep, int binout,
77			EVP_PKEY * key, unsigned char *sigin, int siglen,
78			const char sig_name, const char md_name,
79			const char file, BIO bmd);
80
81			static void
82			list_md_fn(const EVP_MD * m, const char from, const char to, void *arg)
83			{
84			const char *mname;
85			/* Skip aliases */
86			if (!m)
87			return;
88			mname = OBJ_nid2ln(EVP_MD_type(m));
89			/* Skip shortnames */
90			if (strcmp(from, mname))
91			return;
92			/* Skip clones */
93			if (EVP_MD_flags(m) & EVP_MD_FLAG_PKEY_DIGEST)
94			return;
95			if (strchr(mname, ' '))
96			mname = EVP_MD_name(m);
97			BIO_printf(arg, "-%-14s to use the %s message digest algorithm\n",
98			mname, mname);
99			}
100
101			int
102			dgst_main(int argc, char **argv)
103		8	{
104		8	unsigned char *buf = NULL;
105		8	int i, err = 1;
106		8	const EVP_MD md = NULL, m;
107		8	BIO in = NULL, inp;
108		8	BIO *bmd = NULL;
109		8	BIO *out = NULL;
110			#define PROG_NAME_SIZE 39
111			char pname[PROG_NAME_SIZE + 1];
112		8	int separator = 0;
113		8	int debug = 0;
114		8	int keyform = FORMAT_PEM;
115		8	const char outfile = NULL, keyfile = NULL;
116		8	const char *sigfile = NULL;
117		8	int out_bin = -1, want_pub = 0, do_verify = 0;
118		8	EVP_PKEY *sigkey = NULL;
119		8	unsigned char *sigbuf = NULL;
120		8	int siglen = 0;
121		8	char passargin = NULL, passin = NULL;
122		8	char *hmac_key = NULL;
123		8	char *mac_name = NULL;
124		8	STACK_OF(OPENSSL_STRING) * sigopts = NULL, *macopts = NULL;
125
126	✓✗	8	if (single_execution) {
127	✗✓	8	if (pledge("stdio rpath wpath cpath tty", NULL) == -1) {
128			perror("pledge");
129			exit(1);
130			}
131			}
132
133	✗✓	8	if ((buf = malloc(BUFSIZE)) == NULL) {
134			BIO_printf(bio_err, "out of memory\n");
135			goto end;
136			}
137
138			/* first check the program name */
139		8	program_name(argv[0], pname, sizeof pname);
140
141		8	md = EVP_get_digestbyname(pname);
142
143		8	argc--;
144		8	argv++;
145	✗✓	16	while (argc > 0) {
146			if ((*argv)[0] != '-')
147			break;
148			if (strcmp(*argv, "-c") == 0)
149			separator = 1;
150			else if (strcmp(*argv, "-r") == 0)
151			separator = 2;
152			else if (strcmp(*argv, "-out") == 0) {
153			if (--argc < 1)
154			break;
155			outfile = *(++argv);
156			} else if (strcmp(*argv, "-sign") == 0) {
157			if (--argc < 1)
158			break;
159			keyfile = *(++argv);
160			} else if (!strcmp(*argv, "-passin")) {
161			if (--argc < 1)
162			break;
163			passargin = *++argv;
164			} else if (strcmp(*argv, "-verify") == 0) {
165			if (--argc < 1)
166			break;
167			keyfile = *(++argv);
168			want_pub = 1;
169			do_verify = 1;
170			} else if (strcmp(*argv, "-prverify") == 0) {
171			if (--argc < 1)
172			break;
173			keyfile = *(++argv);
174			do_verify = 1;
175			} else if (strcmp(*argv, "-signature") == 0) {
176			if (--argc < 1)
177			break;
178			sigfile = *(++argv);
179			} else if (strcmp(*argv, "-keyform") == 0) {
180			if (--argc < 1)
181			break;
182			keyform = str2fmt(*(++argv));
183			}
184			else if (strcmp(*argv, "-hex") == 0)
185			out_bin = 0;
186			else if (strcmp(*argv, "-binary") == 0)
187			out_bin = 1;
188			else if (strcmp(*argv, "-d") == 0)
189			debug = 1;
190			else if (!strcmp(*argv, "-hmac")) {
191			if (--argc < 1)
192			break;
193			hmac_key = *++argv;
194			} else if (!strcmp(*argv, "-mac")) {
195			if (--argc < 1)
196			break;
197			mac_name = *++argv;
198			} else if (strcmp(*argv, "-sigopt") == 0) {
199			if (--argc < 1)
200			break;
201			if (!sigopts)
202			sigopts = sk_OPENSSL_STRING_new_null();
203			if (!sigopts \|\| !sk_OPENSSL_STRING_push(sigopts, *(++argv)))
204			break;
205			} else if (strcmp(*argv, "-macopt") == 0) {
206			if (--argc < 1)
207			break;
208			if (!macopts)
209			macopts = sk_OPENSSL_STRING_new_null();
210			if (!macopts \|\| !sk_OPENSSL_STRING_push(macopts, *(++argv)))
211			break;
212			} else if ((m = EVP_get_digestbyname(&((*argv)[1]))) != NULL)
213			md = m;
214			else
215			break;
216			argc--;
217			argv++;
218			}
219
220
221	✗✓	8	if (do_verify && !sigfile) {
222			BIO_printf(bio_err, "No signature to verify: use the -signature option\n");
223			goto end;
224			}
225	✗✓✗✗	8	if ((argc > 0) && (argv[0][0] == '-')) { /* bad option */
226			BIO_printf(bio_err, "unknown option '%s'\n", *argv);
227			BIO_printf(bio_err, "options are\n");
228			BIO_printf(bio_err, "-c to output the digest with separating colons\n");
229			BIO_printf(bio_err, "-r to output the digest in coreutils format\n");
230			BIO_printf(bio_err, "-d to output debug info\n");
231			BIO_printf(bio_err, "-hex output as hex dump\n");
232			BIO_printf(bio_err, "-binary output in binary form\n");
233			BIO_printf(bio_err, "-sign file sign digest using private key in file\n");
234			BIO_printf(bio_err, "-verify file verify a signature using public key in file\n");
235			BIO_printf(bio_err, "-prverify file verify a signature using private key in file\n");
236			BIO_printf(bio_err, "-keyform arg key file format (PEM)\n");
237			BIO_printf(bio_err, "-out filename output to filename rather than stdout\n");
238			BIO_printf(bio_err, "-signature file signature to verify\n");
239			BIO_printf(bio_err, "-sigopt nm:v signature parameter\n");
240			BIO_printf(bio_err, "-hmac key create hashed MAC with key\n");
241			BIO_printf(bio_err, "-mac algorithm create MAC (not neccessarily HMAC)\n");
242			BIO_printf(bio_err, "-macopt nm:v MAC algorithm parameters or key\n");
243
244			EVP_MD_do_all_sorted(list_md_fn, bio_err);
245			goto end;
246			}
247
248		8	in = BIO_new(BIO_s_file());
249		8	bmd = BIO_new(BIO_f_md());
250	✗✓	8	if (in == NULL \|\| bmd == NULL) {
251			ERR_print_errors(bio_err);
252			goto end;
253			}
254
255	✗✓	8	if (debug) {
256			BIO_set_callback(in, BIO_debug_callback);
257			/* needed for windows 3.1 */
258			BIO_set_callback_arg(in, (char *) bio_err);
259			}
260	✗✓	8	if (!app_passwd(bio_err, passargin, NULL, &passin, NULL)) {
261			BIO_printf(bio_err, "Error getting password\n");
262			goto end;
263			}
264	✓✗	8	if (out_bin == -1) {
265	✗✓	8	if (keyfile)
266			out_bin = 1;
267			else
268		8	out_bin = 0;
269			}
270
271	✗✓	8	if (outfile) {
272			if (out_bin)
273			out = BIO_new_file(outfile, "wb");
274			else
275			out = BIO_new_file(outfile, "w");
276			} else {
277		8	out = BIO_new_fp(stdout, BIO_NOCLOSE);
278			}
279
280	✗✓	8	if (!out) {
281			BIO_printf(bio_err, "Error opening output file %s\n",
282			outfile ? outfile : "(stdout)");
283			ERR_print_errors(bio_err);
284			goto end;
285			}
286	✗✓	8	if ((!!mac_name + !!keyfile + !!hmac_key) > 1) {
287			BIO_printf(bio_err, "MAC and Signing key cannot both be specified\n");
288			goto end;
289			}
290	✗✓	8	if (keyfile) {
291			if (want_pub)
292			sigkey = load_pubkey(bio_err, keyfile, keyform, 0, NULL,
293			"key file");
294			else
295			sigkey = load_key(bio_err, keyfile, keyform, 0, passin,
296			"key file");
297			if (!sigkey) {
298			/*
299			* load_[pub]key() has already printed an appropriate
300			* message
301			*/
302			goto end;
303			}
304			}
305	✗✓	8	if (mac_name) {
306			EVP_PKEY_CTX *mac_ctx = NULL;
307			int r = 0;
308			if (!init_gen_str(bio_err, &mac_ctx, mac_name, 0))
309			goto mac_end;
310			if (macopts) {
311			char *macopt;
312			for (i = 0; i < sk_OPENSSL_STRING_num(macopts); i++) {
313			macopt = sk_OPENSSL_STRING_value(macopts, i);
314			if (pkey_ctrl_string(mac_ctx, macopt) <= 0) {
315			BIO_printf(bio_err,
316			"MAC parameter error \"%s\"\n",
317			macopt);
318			ERR_print_errors(bio_err);
319			goto mac_end;
320			}
321			}
322			}
323			if (EVP_PKEY_keygen(mac_ctx, &sigkey) <= 0) {
324			BIO_puts(bio_err, "Error generating key\n");
325			ERR_print_errors(bio_err);
326			goto mac_end;
327			}
328			r = 1;
329			mac_end:
330			if (mac_ctx)
331			EVP_PKEY_CTX_free(mac_ctx);
332			if (r == 0)
333			goto end;
334			}
335	✗✓	8	if (hmac_key) {
336			sigkey = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, NULL,
337			(unsigned char *) hmac_key, -1);
338			if (!sigkey)
339			goto end;
340			}
341	✗✓	8	if (sigkey) {
342			EVP_MD_CTX *mctx = NULL;
343			EVP_PKEY_CTX *pctx = NULL;
344			int r;
345			if (!BIO_get_md_ctx(bmd, &mctx)) {
346			BIO_printf(bio_err, "Error getting context\n");
347			ERR_print_errors(bio_err);
348			goto end;
349			}
350			if (do_verify)
351			r = EVP_DigestVerifyInit(mctx, &pctx, md, NULL, sigkey);
352			else
353			r = EVP_DigestSignInit(mctx, &pctx, md, NULL, sigkey);
354			if (!r) {
355			BIO_printf(bio_err, "Error setting context\n");
356			ERR_print_errors(bio_err);
357			goto end;
358			}
359			if (sigopts) {
360			char *sigopt;
361			for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) {
362			sigopt = sk_OPENSSL_STRING_value(sigopts, i);
363			if (pkey_ctrl_string(pctx, sigopt) <= 0) {
364			BIO_printf(bio_err,
365			"parameter error \"%s\"\n",
366			sigopt);
367			ERR_print_errors(bio_err);
368			goto end;
369			}
370			}
371			}
372			}
373			/* we use md as a filter, reading from 'in' */
374			else {
375	✗✓	8	if (md == NULL)
376			md = EVP_md5();
377	✗✓	8	if (!BIO_set_md(bmd, md)) {
378			BIO_printf(bio_err, "Error setting digest %s\n", pname);
379			ERR_print_errors(bio_err);
380			goto end;
381			}
382			}
383
384	✗✓✗✗	8	if (sigfile && sigkey) {
385			BIO *sigbio;
386			siglen = EVP_PKEY_size(sigkey);
387			sigbuf = malloc(siglen);
388			if (sigbuf == NULL) {
389			BIO_printf(bio_err, "out of memory\n");
390			ERR_print_errors(bio_err);
391			goto end;
392			}
393			sigbio = BIO_new_file(sigfile, "rb");
394			if (!sigbio) {
395			BIO_printf(bio_err, "Error opening signature file %s\n",
396			sigfile);
397			ERR_print_errors(bio_err);
398			goto end;
399			}
400			siglen = BIO_read(sigbio, sigbuf, siglen);
401			BIO_free(sigbio);
402			if (siglen <= 0) {
403			BIO_printf(bio_err, "Error reading signature file %s\n",
404			sigfile);
405			ERR_print_errors(bio_err);
406			goto end;
407			}
408			}
409		8	inp = BIO_push(bmd, in);
410
411	✗✓	8	if (md == NULL) {
412			EVP_MD_CTX *tctx;
413			BIO_get_md_ctx(bmd, &tctx);
414			md = EVP_MD_CTX_md(tctx);
415			}
416	✓✗	8	if (argc == 0) {
417		8	BIO_set_fp(in, stdin, BIO_NOCLOSE);
418		8	err = do_fp(out, buf, inp, separator, out_bin, sigkey, sigbuf,
419			siglen, NULL, NULL, "stdin", bmd);
420			} else {
421			const char md_name = NULL, sig_name = NULL;
422			if (!out_bin) {
423			if (sigkey) {
424			const EVP_PKEY_ASN1_METHOD *ameth;
425			ameth = EVP_PKEY_get0_asn1(sigkey);
426			if (ameth)
427			EVP_PKEY_asn1_get0_info(NULL, NULL,
428			NULL, NULL, &sig_name, ameth);
429			}
430			md_name = EVP_MD_name(md);
431			}
432			err = 0;
433			for (i = 0; i < argc; i++) {
434			int r;
435			if (BIO_read_filename(in, argv[i]) <= 0) {
436			perror(argv[i]);
437			err++;
438			continue;
439			} else {
440			r = do_fp(out, buf, inp, separator, out_bin,
441			sigkey, sigbuf, siglen, sig_name, md_name,
442			argv[i], bmd);
443			}
444			if (r)
445			err = r;
446			(void) BIO_reset(bmd);
447			}
448			}
449
450		8	end:
451	✓✗	8	if (buf != NULL) {
452		8	explicit_bzero(buf, BUFSIZE);
453		8	free(buf);
454			}
455	✓✗	8	if (in != NULL)
456		8	BIO_free(in);
457		8	free(passin);
458		8	BIO_free_all(out);
459		8	EVP_PKEY_free(sigkey);
460	✗✓	8	if (sigopts)
461			sk_OPENSSL_STRING_free(sigopts);
462	✗✓	8	if (macopts)
463			sk_OPENSSL_STRING_free(macopts);
464		8	free(sigbuf);
465	✓✗	8	if (bmd != NULL)
466		8	BIO_free(bmd);
467
468		8	return (err);
469			}
470
471			int
472			do_fp(BIO * out, unsigned char buf, BIO bp, int sep, int binout,
473			EVP_PKEY * key, unsigned char *sigin, int siglen,
474			const char sig_name, const char md_name,
475			const char file, BIO bmd)
476		16	{
477			size_t len;
478			int i;
479
480			for (;;) {
481		16	i = BIO_read(bp, (char *) buf, BUFSIZE);
482	✗✓	16	if (i < 0) {
483			BIO_printf(bio_err, "Read Error in %s\n", file);
484			ERR_print_errors(bio_err);
485			return 1;
486			}
487	✓✓	16	if (i == 0)
488		8	break;
489			}
490	✗✓	8	if (sigin) {
491			EVP_MD_CTX *ctx;
492			BIO_get_md_ctx(bp, &ctx);
493			i = EVP_DigestVerifyFinal(ctx, sigin, (unsigned int) siglen);
494			if (i > 0)
495			BIO_printf(out, "Verified OK\n");
496			else if (i == 0) {
497			BIO_printf(out, "Verification Failure\n");
498			return 1;
499			} else {
500			BIO_printf(bio_err, "Error Verifying Data\n");
501			ERR_print_errors(bio_err);
502			return 1;
503			}
504			return 0;
505			}
506	✗✓	8	if (key) {
507			EVP_MD_CTX *ctx;
508			BIO_get_md_ctx(bp, &ctx);
509			len = BUFSIZE;
510			if (!EVP_DigestSignFinal(ctx, buf, &len)) {
511			BIO_printf(bio_err, "Error Signing Data\n");
512			ERR_print_errors(bio_err);
513			return 1;
514			}
515			} else {
516		8	len = BIO_gets(bp, (char *) buf, BUFSIZE);
517	✗✓	8	if ((int) len < 0) {
518			ERR_print_errors(bio_err);
519			return 1;
520			}
521			}
522
523	✗✓	8	if (binout)
524			BIO_write(out, buf, len);
525	✗✓	8	else if (sep == 2) {
526			for (i = 0; i < (int) len; i++)
527			BIO_printf(out, "%02x", buf[i]);
528			BIO_printf(out, " *%s\n", file);
529			} else {
530	✗✓	8	if (sig_name)
531			BIO_printf(out, "%s-%s(%s)= ", sig_name, md_name, file);
532	✗✓	8	else if (md_name)
533			BIO_printf(out, "%s(%s)= ", md_name, file);
534			else
535		8	BIO_printf(out, "(%s)= ", file);
536	✓✓	352	for (i = 0; i < (int) len; i++) {
537	✗✓	344	if (sep && (i != 0))
538			BIO_printf(out, ":");
539		344	BIO_printf(out, "%02x", buf[i]);
540			}
541		8	BIO_printf(out, "\n");
542			}
543		8	return 0;
544			}