Ejemplo n.º 1
0
    std::string getCertificateSubjectName(X509* cert) {
        std::string result;

        BIO* out = BIO_new(BIO_s_mem());
        uassert(16884, "unable to allocate BIO memory", NULL != out);
        ON_BLOCK_EXIT(BIO_free, out);

        if (X509_NAME_print_ex(out,
                              X509_get_subject_name(cert),
                              0,
                              XN_FLAG_RFC2253) >= 0) {
            if (BIO_number_written(out) > 0) {
                result.resize(BIO_number_written(out));
                BIO_read(out, &result[0], result.size());
            }
        }
        else {
            log() << "failed to convert subject name to RFC2253 format" << endl;
        }

        return result;
    }
Ejemplo n.º 2
0
char* crypto_print_name(X509_NAME* name)
{
	char* buffer = NULL;
	BIO* outBIO = BIO_new(BIO_s_mem());
	
	if (X509_NAME_print_ex(outBIO, name, 0, XN_FLAG_ONELINE) > 0)
	{
		unsigned long size = BIO_number_written(outBIO);
		buffer = xzalloc(size + 1);
		memset(buffer, 0, size + 1);
		BIO_read(outBIO, buffer, size);
	}

	BIO_free(outBIO);
	return buffer;
}
Ejemplo n.º 3
0
/*
 * Convert X509 to string.
 */
static char * x509_to_string(const X509 *cert) {
	BIO *bio;
	int len;
	char *ptr, *result;

	// write X509 into buffer
	bio = BIO_new(BIO_s_mem());
	PEM_write_bio_X509(bio, (X509 *) cert);

	// create results.
	len = BIO_number_written(bio);
	BIO_get_mem_data(bio, &ptr);
	result = palloc(len + 1);
	strncpy(result, ptr, len);
	result[len] = '\0';
	BIO_free(bio);

	return result;
}
Ejemplo n.º 4
0
const char* pn_ssl_get_remote_subject(pn_ssl_t *ssl0)
{
  pni_ssl_t *ssl = get_ssl_internal(ssl0);
  if (!ssl || !ssl->ssl) return NULL;
  if (!ssl->subject) {
    X509 *cert = SSL_get_peer_certificate(ssl->ssl);
    if (!cert) return NULL;
    X509_NAME *subject = X509_get_subject_name(cert);
    if (!subject) return NULL;

    BIO *out = BIO_new(BIO_s_mem());
    X509_NAME_print_ex(out, subject, 0, XN_FLAG_RFC2253);
    int len = BIO_number_written(out);
    ssl->subject = (char*) malloc(len+1);
    ssl->subject[len] = 0;
    BIO_read(out, ssl->subject, len);
    BIO_free(out);
  }
  return ssl->subject;
}
Ejemplo n.º 5
0
/*
 * Convert X509 to bytea.
 */
static bytea * x509_to_bytea(const X509 *cert) {
	BIO *bio;
	int len;
	bytea *result;
	char *ptr;

	// write X509 cert into buffer
	bio = BIO_new(BIO_s_mem());
	i2d_X509_bio(bio, (X509 *) cert);

	// create bytea results.
	len = BIO_number_written(bio);
	BIO_get_mem_data(bio, &ptr);
	result = (bytea *) palloc(len + VARHDRSZ);
	memcpy(VARDATA(result), ptr, len);
	SET_VARSIZE(result, len + VARHDRSZ);
	BIO_free(bio);

	return result;
}
Ejemplo n.º 6
0
static char *_get_rfc2253_formatted (X509_NAME *name)
{
  int len;
  char *out = NULL;
  BIO* b;

  if ((b = BIO_new (BIO_s_mem ())))
    {
      if (X509_NAME_print_ex (b, name, 0, XN_FLAG_RFC2253) >= 0
          && (len = BIO_number_written (b)) > 0)
        {
          out = xmalloc (len + 1);
          BIO_read (b, out, len);
          out[len] = 0;
        }
      BIO_free (b);
    }

  return out ? out : xstrdup("");
}
Ejemplo n.º 7
0
static void print_stuff(BIO *bio, SSL *s, int full)
{
    X509 *peer=NULL;
    char *p;
    static const char *space="                ";
    char buf[BUFSIZ];
    STACK_OF(X509) *sk;
    STACK_OF(X509_NAME) *sk2;
    SSL_CIPHER *c;
    X509_NAME *xn;
    int j,i;
#ifndef OPENSSL_NO_COMP
    const COMP_METHOD *comp, *expansion;
#endif

    if (full)
    {
        int got_a_chain = 0;

        sk=SSL_get_peer_cert_chain(s);
        if (sk != NULL)
        {
            got_a_chain = 1; /* we don't have it for SSL2 (yet) */

            BIO_printf(bio,"---\nCertificate chain\n");
            for (i=0; i<sk_X509_num(sk); i++)
            {
                X509_NAME_oneline(X509_get_subject_name(
                                      sk_X509_value(sk,i)),buf,sizeof buf);
                BIO_printf(bio,"%2d s:%s\n",i,buf);
                X509_NAME_oneline(X509_get_issuer_name(
                                      sk_X509_value(sk,i)),buf,sizeof buf);
                BIO_printf(bio,"   i:%s\n",buf);
                if (c_showcerts)
                    PEM_write_bio_X509(bio,sk_X509_value(sk,i));
            }
        }

        BIO_printf(bio,"---\n");
        peer=SSL_get_peer_certificate(s);
        if (peer != NULL)
        {
            BIO_printf(bio,"Server certificate\n");
            if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
                PEM_write_bio_X509(bio,peer);
            X509_NAME_oneline(X509_get_subject_name(peer),
                              buf,sizeof buf);
            BIO_printf(bio,"subject=%s\n",buf);
            X509_NAME_oneline(X509_get_issuer_name(peer),
                              buf,sizeof buf);
            BIO_printf(bio,"issuer=%s\n",buf);
        }
        else
            BIO_printf(bio,"no peer certificate available\n");

        sk2=SSL_get_client_CA_list(s);
        if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
        {
            BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
            for (i=0; i<sk_X509_NAME_num(sk2); i++)
            {
                xn=sk_X509_NAME_value(sk2,i);
                X509_NAME_oneline(xn,buf,sizeof(buf));
                BIO_write(bio,buf,strlen(buf));
                BIO_write(bio,"\n",1);
            }
        }
        else
        {
            BIO_printf(bio,"---\nNo client certificate CA names sent\n");
        }
        p=SSL_get_shared_ciphers(s,buf,sizeof buf);
        if (p != NULL)
        {
            /* This works only for SSL 2.  In later protocol
             * versions, the client does not know what other
             * ciphers (in addition to the one to be used
             * in the current connection) the server supports. */

            BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
            j=i=0;
            while (*p)
            {
                if (*p == ':')
                {
                    BIO_write(bio,space,15-j%25);
                    i++;
                    j=0;
                    BIO_write(bio,((i%3)?" ":"\n"),1);
                }
                else
                {
                    BIO_write(bio,p,1);
                    j++;
                }
                p++;
            }
            BIO_write(bio,"\n",1);
        }

        BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
                   BIO_number_read(SSL_get_rbio(s)),
                   BIO_number_written(SSL_get_wbio(s)));
    }
    BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
    c=SSL_get_current_cipher(s);
    BIO_printf(bio,"%s, Cipher is %s\n",
               SSL_CIPHER_get_version(c),
               SSL_CIPHER_get_name(c));
    if (peer != NULL) {
        EVP_PKEY *pktmp;
        pktmp = X509_get_pubkey(peer);
        BIO_printf(bio,"Server public key is %d bit\n",
                   EVP_PKEY_bits(pktmp));
        EVP_PKEY_free(pktmp);
    }
#ifndef OPENSSL_NO_COMP
    comp=SSL_get_current_compression(s);
    expansion=SSL_get_current_expansion(s);
    BIO_printf(bio,"Compression: %s\n",
               comp ? SSL_COMP_get_name(comp) : "NONE");
    BIO_printf(bio,"Expansion: %s\n",
               expansion ? SSL_COMP_get_name(expansion) : "NONE");
#endif
    SSL_SESSION_print(bio,SSL_get_session(s));
    BIO_printf(bio,"---\n");
    if (peer != NULL)
        X509_free(peer);
    /* flush, or debugging output gets mixed with http response */
    (void)BIO_flush(bio);
}
Ejemplo n.º 8
0
int MAIN(int argc, char **argv)
	{
	static const char magic[]="Salted__";
	char mbuf[sizeof magic-1];
	char *strbuf=NULL;
	unsigned char *buff=NULL,*bufsize=NULL;
	int bsize=BSIZE,verbose=0;
	int ret=1,inl;
	int nopad = 0;
	unsigned char key[EVP_MAX_KEY_LENGTH],iv[EVP_MAX_IV_LENGTH];
	unsigned char salt[PKCS5_SALT_LEN];
	char *str=NULL, *passarg = NULL, *pass = NULL;
	char *hkey=NULL,*hiv=NULL,*hsalt = NULL;
	char *md=NULL;
	int enc=1,printkey=0,i,base64=0;
#ifdef ZLIB
	int do_zlib=0;
	BIO *bzl = NULL;
#endif
	int debug=0,olb64=0,nosalt=0;
	const EVP_CIPHER *cipher=NULL,*c;
	EVP_CIPHER_CTX *ctx = NULL;
	char *inf=NULL,*outf=NULL;
	BIO *in=NULL,*out=NULL,*b64=NULL,*benc=NULL,*rbio=NULL,*wbio=NULL;
#define PROG_NAME_SIZE  39
	char pname[PROG_NAME_SIZE+1];
#ifndef OPENSSL_NO_ENGINE
	char *engine = NULL;
#endif
	const EVP_MD *dgst=NULL;
	int non_fips_allow = 0;

	apps_startup();

	if (bio_err == NULL)
		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,sizeof pname);
	if (strcmp(pname,"base64") == 0)
		base64=1;
#ifdef ZLIB
	if (strcmp(pname,"zlib") == 0)
		do_zlib=1;
#endif

	cipher=EVP_get_cipherbyname(pname);
#ifdef ZLIB
	if (!do_zlib && !base64 && (cipher == NULL)
				&& (strcmp(pname,"enc") != 0))
#else
	if (!base64 && (cipher == NULL) && (strcmp(pname,"enc") != 0))
#endif
		{
		BIO_printf(bio_err,"%s is an unknown cipher\n",pname);
		goto bad;
		}

	argc--;
	argv++;
	while (argc >= 1)
		{
		if	(strcmp(*argv,"-e") == 0)
			enc=1;
		else if (strcmp(*argv,"-in") == 0)
			{
			if (--argc < 1) goto bad;
			inf= *(++argv);
			}
		else if (strcmp(*argv,"-out") == 0)
			{
			if (--argc < 1) goto bad;
			outf= *(++argv);
			}
		else if (strcmp(*argv,"-pass") == 0)
			{
			if (--argc < 1) goto bad;
			passarg= *(++argv);
			}
#ifndef OPENSSL_NO_ENGINE
		else if (strcmp(*argv,"-engine") == 0)
			{
			if (--argc < 1) goto bad;
			engine= *(++argv);
			}
#endif
		else if	(strcmp(*argv,"-d") == 0)
			enc=0;
		else if	(strcmp(*argv,"-p") == 0)
			printkey=1;
		else if	(strcmp(*argv,"-v") == 0)
			verbose=1;
		else if	(strcmp(*argv,"-nopad") == 0)
			nopad=1;
		else if	(strcmp(*argv,"-salt") == 0)
			nosalt=0;
		else if	(strcmp(*argv,"-nosalt") == 0)
			nosalt=1;
		else if	(strcmp(*argv,"-debug") == 0)
			debug=1;
		else if	(strcmp(*argv,"-P") == 0)
			printkey=2;
		else if	(strcmp(*argv,"-A") == 0)
			olb64=1;
		else if	(strcmp(*argv,"-a") == 0)
			base64=1;
		else if	(strcmp(*argv,"-base64") == 0)
			base64=1;
#ifdef ZLIB
		else if	(strcmp(*argv,"-z") == 0)
			do_zlib=1;
#endif
		else if (strcmp(*argv,"-bufsize") == 0)
			{
			if (--argc < 1) goto bad;
			bufsize=(unsigned char *)*(++argv);
			}
		else if (strcmp(*argv,"-k") == 0)
			{
			if (--argc < 1) goto bad;
			str= *(++argv);
			}
		else if (strcmp(*argv,"-kfile") == 0)
			{
			static char buf[128];
			FILE *infile;
			char *file;

			if (--argc < 1) goto bad;
			file= *(++argv);
			infile=fopen(file,"r");
			if (infile == NULL)
				{
				BIO_printf(bio_err,"unable to read key from '%s'\n",
					file);
				goto bad;
				}
			buf[0]='\0';
			if (!fgets(buf,sizeof buf,infile))
				{
				BIO_printf(bio_err,"unable to read key from '%s'\n",
					file);
				goto bad;
				}
			fclose(infile);
			i=strlen(buf);
			if ((i > 0) &&
				((buf[i-1] == '\n') || (buf[i-1] == '\r')))
				buf[--i]='\0';
			if ((i > 0) &&
				((buf[i-1] == '\n') || (buf[i-1] == '\r')))
				buf[--i]='\0';
			if (i < 1)
				{
				BIO_printf(bio_err,"zero length password\n");
				goto bad;
				}
			str=buf;
			}
		else if (strcmp(*argv,"-K") == 0)
			{
			if (--argc < 1) goto bad;
			hkey= *(++argv);
			}
		else if (strcmp(*argv,"-S") == 0)
			{
			if (--argc < 1) goto bad;
			hsalt= *(++argv);
			}
		else if (strcmp(*argv,"-iv") == 0)
			{
			if (--argc < 1) goto bad;
			hiv= *(++argv);
			}
		else if (strcmp(*argv,"-md") == 0)
			{
			if (--argc < 1) goto bad;
			md= *(++argv);
			}
		else if (strcmp(*argv,"-non-fips-allow") == 0)
			non_fips_allow = 1;
		else if	((argv[0][0] == '-') &&
			((c=EVP_get_cipherbyname(&(argv[0][1]))) != NULL))
			{
			cipher=c;
			}
		else if (strcmp(*argv,"-none") == 0)
			cipher=NULL;
		else
			{
			BIO_printf(bio_err,"unknown option '%s'\n",*argv);
bad:
			BIO_printf(bio_err,"options are\n");
			BIO_printf(bio_err,"%-14s input file\n","-in <file>");
			BIO_printf(bio_err,"%-14s output file\n","-out <file>");
			BIO_printf(bio_err,"%-14s pass phrase source\n","-pass <arg>");
			BIO_printf(bio_err,"%-14s encrypt\n","-e");
			BIO_printf(bio_err,"%-14s decrypt\n","-d");
			BIO_printf(bio_err,"%-14s base64 encode/decode, depending on encryption flag\n","-a/-base64");
			BIO_printf(bio_err,"%-14s passphrase is the next argument\n","-k");
			BIO_printf(bio_err,"%-14s passphrase is the first line of the file argument\n","-kfile");
			BIO_printf(bio_err,"%-14s the next argument is the md to use to create a key\n","-md");
			BIO_printf(bio_err,"%-14s   from a passphrase.  One of md2, md5, sha or sha1\n","");
			BIO_printf(bio_err,"%-14s salt in hex is the next argument\n","-S");
			BIO_printf(bio_err,"%-14s key/iv in hex is the next argument\n","-K/-iv");
			BIO_printf(bio_err,"%-14s print the iv/key (then exit if -P)\n","-[pP]");
			BIO_printf(bio_err,"%-14s buffer size\n","-bufsize <n>");
			BIO_printf(bio_err,"%-14s disable standard block padding\n","-nopad");
#ifndef OPENSSL_NO_ENGINE
			BIO_printf(bio_err,"%-14s use engine e, possibly a hardware device.\n","-engine e");
#endif

			BIO_printf(bio_err,"Cipher Types\n");
			OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_CIPHER_METH,
					       show_ciphers,
					       bio_err);
			BIO_printf(bio_err,"\n");

			goto end;
			}
		argc--;
		argv++;
		}

#ifndef OPENSSL_NO_ENGINE
        setup_engine(bio_err, engine, 0);
#endif

	if (md && (dgst=EVP_get_digestbyname(md)) == NULL)
		{
		BIO_printf(bio_err,"%s is an unsupported message digest type\n",md);
		goto end;
		}

	if (dgst == NULL)
		{
		dgst = EVP_md5();
		}

	if (bufsize != NULL)
		{
		unsigned long n;

		for (n=0; *bufsize; bufsize++)
			{
			i= *bufsize;
			if ((i <= '9') && (i >= '0'))
				n=n*10+i-'0';
			else if (i == 'k')
				{
				n*=1024;
				bufsize++;
				break;
				}
			}
		if (*bufsize != '\0')
			{
			BIO_printf(bio_err,"invalid 'bufsize' specified.\n");
			goto end;
			}

		/* It must be large enough for a base64 encoded line */
		if (base64 && n < 80) n=80;

		bsize=(int)n;
		if (verbose) BIO_printf(bio_err,"bufsize=%d\n",bsize);
		}

	strbuf=OPENSSL_malloc(SIZE);
	buff=(unsigned char *)OPENSSL_malloc(EVP_ENCODE_LENGTH(bsize));
	if ((buff == NULL) || (strbuf == NULL))
		{
		BIO_printf(bio_err,"OPENSSL_malloc failure %ld\n",(long)EVP_ENCODE_LENGTH(bsize));
		goto end;
		}

	in=BIO_new(BIO_s_file());
	out=BIO_new(BIO_s_file());
	if ((in == NULL) || (out == NULL))
		{
		ERR_print_errors(bio_err);
		goto end;
		}
	if (debug)
		{
		BIO_set_callback(in,BIO_debug_callback);
		BIO_set_callback(out,BIO_debug_callback);
		BIO_set_callback_arg(in,(char *)bio_err);
		BIO_set_callback_arg(out,(char *)bio_err);
		}

	if (inf == NULL)
	        {
#ifndef OPENSSL_NO_SETVBUF_IONBF
		if (bufsize != NULL)
			setvbuf(stdin, (char *)NULL, _IONBF, 0);
#endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
		BIO_set_fp(in,stdin,BIO_NOCLOSE);
	        }
	else
		{
		if (BIO_read_filename(in,inf) <= 0)
			{
			perror(inf);
			goto end;
			}
		}

	if(!str && passarg) {
		if(!app_passwd(bio_err, passarg, NULL, &pass, NULL)) {
			BIO_printf(bio_err, "Error getting password\n");
			goto end;
		}
		str = pass;
	}

	if ((str == NULL) && (cipher != NULL) && (hkey == NULL))
		{
		for (;;)
			{
			char buf[200];

			BIO_snprintf(buf,sizeof buf,"enter %s %s password:"******"encryption":"decryption");
			strbuf[0]='\0';
			i=EVP_read_pw_string((char *)strbuf,SIZE,buf,enc);
			if (i == 0)
				{
				if (strbuf[0] == '\0')
					{
					ret=1;
					goto end;
					}
				str=strbuf;
				break;
				}
			if (i < 0)
				{
				BIO_printf(bio_err,"bad password read\n");
				goto end;
				}
			}
		}


	if (outf == NULL)
		{
		BIO_set_fp(out,stdout,BIO_NOCLOSE);
#ifndef OPENSSL_NO_SETVBUF_IONBF
		if (bufsize != NULL)
			setvbuf(stdout, (char *)NULL, _IONBF, 0);
#endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
#ifdef OPENSSL_SYS_VMS
		{
		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
		out = BIO_push(tmpbio, out);
		}
#endif
		}
	else
		{
		if (BIO_write_filename(out,outf) <= 0)
			{
			perror(outf);
			goto end;
			}
		}

	rbio=in;
	wbio=out;

#ifdef ZLIB

	if (do_zlib)
		{
		if ((bzl=BIO_new(BIO_f_zlib())) == NULL)
			goto end;
		if (enc)
			wbio=BIO_push(bzl,wbio);
		else
			rbio=BIO_push(bzl,rbio);
		}
#endif

	if (base64)
		{
		if ((b64=BIO_new(BIO_f_base64())) == NULL)
			goto end;
		if (debug)
			{
			BIO_set_callback(b64,BIO_debug_callback);
			BIO_set_callback_arg(b64,(char *)bio_err);
			}
		if (olb64)
			BIO_set_flags(b64,BIO_FLAGS_BASE64_NO_NL);
		if (enc)
			wbio=BIO_push(b64,wbio);
		else
			rbio=BIO_push(b64,rbio);
		}

	if (cipher != NULL)
		{
		/* Note that str is NULL if a key was passed on the command
		 * line, so we get no salt in that case. Is this a bug?
		 */
		if (str != NULL)
			{
			/* Salt handling: if encrypting generate a salt and
			 * write to output BIO. If decrypting read salt from
			 * input BIO.
			 */
			unsigned char *sptr;
			if(nosalt) sptr = NULL;
			else {
				if(enc) {
					if(hsalt) {
						if(!set_hex(hsalt,salt,sizeof salt)) {
							BIO_printf(bio_err,
								"invalid hex salt value\n");
							goto end;
						}
					} else if (RAND_pseudo_bytes(salt, sizeof salt) < 0)
						goto end;
					/* If -P option then don't bother writing */
					if((printkey != 2)
					   && (BIO_write(wbio,magic,
							 sizeof magic-1) != sizeof magic-1
					       || BIO_write(wbio,
							    (char *)salt,
							    sizeof salt) != sizeof salt)) {
						BIO_printf(bio_err,"error writing output file\n");
						goto end;
					}
				} else if(BIO_read(rbio,mbuf,sizeof mbuf) != sizeof mbuf
					  || BIO_read(rbio,
						      (unsigned char *)salt,
				    sizeof salt) != sizeof salt) {
					BIO_printf(bio_err,"error reading input file\n");
					goto end;
				} else if(memcmp(mbuf,magic,sizeof magic-1)) {
				    BIO_printf(bio_err,"bad magic number\n");
				    goto end;
				}

				sptr = salt;
			}

			EVP_BytesToKey(cipher,dgst,sptr,
				(unsigned char *)str,
				strlen(str),1,key,iv);
			/* zero the complete buffer or the string
			 * passed from the command line
			 * bug picked up by
			 * Larry J. Hughes Jr. <*****@*****.**> */
			if (str == strbuf)
				OPENSSL_cleanse(str,SIZE);
			else
				OPENSSL_cleanse(str,strlen(str));
			}
		if ((hiv != NULL) && !set_hex(hiv,iv,sizeof iv))
			{
			BIO_printf(bio_err,"invalid hex iv value\n");
			goto end;
			}
		if ((hiv == NULL) && (str == NULL)
		    && EVP_CIPHER_iv_length(cipher) != 0)
			{
			/* 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");
			goto end;
			}

		if ((benc=BIO_new(BIO_f_cipher())) == NULL)
			goto end;

		/* Since we may be changing parameters work on the encryption
		 * context rather than calling BIO_set_cipher().
		 */

		BIO_get_cipher_ctx(benc, &ctx);

		if (non_fips_allow)
			EVP_CIPHER_CTX_set_flags(ctx,
				EVP_CIPH_FLAG_NON_FIPS_ALLOW);

		if (!EVP_CipherInit_ex(ctx, cipher, NULL, NULL, NULL, enc))
			{
			BIO_printf(bio_err, "Error setting cipher %s\n",
				EVP_CIPHER_name(cipher));
			ERR_print_errors(bio_err);
			goto end;
			}

		if (nopad)
			EVP_CIPHER_CTX_set_padding(ctx, 0);

		if (!EVP_CipherInit_ex(ctx, NULL, NULL, key, iv, enc))
			{
			BIO_printf(bio_err, "Error setting cipher %s\n",
				EVP_CIPHER_name(cipher));
			ERR_print_errors(bio_err);
			goto end;
			}

		if (debug)
			{
			BIO_set_callback(benc,BIO_debug_callback);
			BIO_set_callback_arg(benc,(char *)bio_err);
			}

		if (printkey)
			{
			if (!nosalt)
				{
				printf("salt=");
				for (i=0; i<(int)sizeof(salt); i++)
					printf("%02X",salt[i]);
				printf("\n");
				}
			if (cipher->key_len > 0)
				{
				printf("key=");
				for (i=0; i<cipher->key_len; i++)
					printf("%02X",key[i]);
				printf("\n");
				}
			if (cipher->iv_len > 0)
				{
				printf("iv =");
				for (i=0; i<cipher->iv_len; i++)
					printf("%02X",iv[i]);
				printf("\n");
				}
			if (printkey == 2)
				{
				ret=0;
				goto end;
				}
			}
		}

	/* Only encrypt/decrypt as we write the file */
	if (benc != NULL)
		wbio=BIO_push(benc,wbio);

	for (;;)
		{
		inl=BIO_read(rbio,(char *)buff,bsize);
		if (inl <= 0) break;
		if (BIO_write(wbio,(char *)buff,inl) != inl)
			{
			BIO_printf(bio_err,"error writing output file\n");
			goto end;
			}
		}
	if (!BIO_flush(wbio))
		{
		BIO_printf(bio_err,"bad decrypt\n");
		goto end;
		}

	ret=0;
	if (verbose)
		{
		BIO_printf(bio_err,"bytes read   :%8ld\n",BIO_number_read(in));
		BIO_printf(bio_err,"bytes written:%8ld\n",BIO_number_written(out));
		}
end:
	ERR_print_errors(bio_err);
	if (strbuf != NULL) OPENSSL_free(strbuf);
	if (buff != NULL) OPENSSL_free(buff);
	if (in != NULL) BIO_free(in);
	if (out != NULL) BIO_free_all(out);
	if (benc != NULL) BIO_free(benc);
	if (b64 != NULL) BIO_free(b64);
#ifdef ZLIB
	if (bzl != NULL) BIO_free(bzl);
#endif
	if(pass) OPENSSL_free(pass);
	apps_shutdown();
	OPENSSL_EXIT(ret);
	}
Ejemplo n.º 9
0
int
enc_main(int argc, char **argv)
{
	static const char magic[] = "Salted__";
	char mbuf[sizeof magic - 1];
	char *strbuf = NULL, *pass = NULL;
	unsigned char *buff = NULL;
	int bsize = BSIZE;
	int ret = 1, inl;
	unsigned char key[EVP_MAX_KEY_LENGTH], iv[EVP_MAX_IV_LENGTH];
	unsigned char salt[PKCS5_SALT_LEN];
#ifdef ZLIB
	BIO *bzl = NULL;
#endif
	EVP_CIPHER_CTX *ctx = NULL;
	const EVP_MD *dgst = NULL;
	BIO *in = NULL, *out = NULL, *b64 = NULL, *benc = NULL;
	BIO *rbio = NULL, *wbio = NULL;
#define PROG_NAME_SIZE  39
	char pname[PROG_NAME_SIZE + 1];
	int i;

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

	memset(&enc_config, 0, sizeof(enc_config));
	enc_config.enc = 1;

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

	if (strcmp(pname, "base64") == 0)
		enc_config.base64 = 1;

#ifdef ZLIB
	if (strcmp(pname, "zlib") == 0)
		enc_config.do_zlib = 1;
#endif

	enc_config.cipher = EVP_get_cipherbyname(pname);

#ifdef ZLIB
	if (!enc_config.do_zlib && !enc_config.base64 &&
	    enc_config.cipher == NULL && strcmp(pname, "enc") != 0)
#else
	if (!enc_config.base64 && enc_config.cipher == NULL &&
	    strcmp(pname, "enc") != 0)
#endif
	{
		BIO_printf(bio_err, "%s is an unknown cipher\n", pname);
		goto end;
	}

	if (options_parse(argc, argv, enc_options, NULL, NULL) != 0) {
		enc_usage();
		goto end;
	}

	if (enc_config.keyfile != NULL) {
		static char buf[128];
		FILE *infile;

		infile = fopen(enc_config.keyfile, "r");
		if (infile == NULL) {
			BIO_printf(bio_err, "unable to read key from '%s'\n",
			    enc_config.keyfile);
			goto end;
		}
		buf[0] = '\0';
		if (!fgets(buf, sizeof buf, infile)) {
			BIO_printf(bio_err, "unable to read key from '%s'\n",
			    enc_config.keyfile);
			fclose(infile);
			goto end;
		}
		fclose(infile);
		i = strlen(buf);
		if ((i > 0) && ((buf[i - 1] == '\n') || (buf[i - 1] == '\r')))
			buf[--i] = '\0';
		if ((i > 0) && ((buf[i - 1] == '\n') || (buf[i - 1] == '\r')))
			buf[--i] = '\0';
		if (i < 1) {
			BIO_printf(bio_err, "zero length password\n");
			goto end;
		}
		enc_config.keystr = buf;
	}

	if (enc_config.md != NULL &&
	    (dgst = EVP_get_digestbyname(enc_config.md)) == NULL) {
		BIO_printf(bio_err,
		    "%s is an unsupported message digest type\n",
		    enc_config.md);
		goto end;
	}
	if (dgst == NULL) {
		dgst = EVP_md5();	/* XXX */
	}

	if (enc_config.bufsize != NULL) {
		char *p = enc_config.bufsize;
		unsigned long n;

		/* XXX - provide an OPTION_ARG_DISKUNIT. */
		for (n = 0; *p != '\0'; p++) {
			i = *p;
			if ((i <= '9') && (i >= '0'))
				n = n * 10 + i - '0';
			else if (i == 'k') {
				n *= 1024;
				p++;
				break;
			}
		}
		if (*p != '\0') {
			BIO_printf(bio_err, "invalid 'bufsize' specified.\n");
			goto end;
		}
		/* It must be large enough for a base64 encoded line. */
		if (enc_config.base64 && n < 80)
			n = 80;

		bsize = (int)n;
		if (enc_config.verbose)
			BIO_printf(bio_err, "bufsize=%d\n", bsize);
	}
	strbuf = malloc(SIZE);
	buff = malloc(EVP_ENCODE_LENGTH(bsize));
	if ((buff == NULL) || (strbuf == NULL)) {
		BIO_printf(bio_err, "malloc failure %ld\n", (long) EVP_ENCODE_LENGTH(bsize));
		goto end;
	}
	in = BIO_new(BIO_s_file());
	out = BIO_new(BIO_s_file());
	if ((in == NULL) || (out == NULL)) {
		ERR_print_errors(bio_err);
		goto end;
	}
	if (enc_config.debug) {
		BIO_set_callback(in, BIO_debug_callback);
		BIO_set_callback(out, BIO_debug_callback);
		BIO_set_callback_arg(in, (char *) bio_err);
		BIO_set_callback_arg(out, (char *) bio_err);
	}
	if (enc_config.inf == NULL) {
		if (enc_config.bufsize != NULL)
			setvbuf(stdin, (char *) NULL, _IONBF, 0);
		BIO_set_fp(in, stdin, BIO_NOCLOSE);
	} else {
		if (BIO_read_filename(in, enc_config.inf) <= 0) {
			perror(enc_config.inf);
			goto end;
		}
	}

	if (!enc_config.keystr && enc_config.passarg) {
		if (!app_passwd(bio_err, enc_config.passarg, NULL,
		    &pass, NULL)) {
			BIO_printf(bio_err, "Error getting password\n");
			goto end;
		}
		enc_config.keystr = pass;
	}
	if (enc_config.keystr == NULL && enc_config.cipher != NULL &&
	    enc_config.hkey == NULL) {
		for (;;) {
			char buf[200];
			int retval;

			retval = snprintf(buf, sizeof buf,
			    "enter %s %s password:"******"encryption" : "decryption");
			if ((size_t)retval >= sizeof buf) {
				BIO_printf(bio_err,
				    "Password prompt too long\n");
				goto end;
			}
			strbuf[0] = '\0';
			i = EVP_read_pw_string((char *)strbuf, SIZE, buf,
			    enc_config.enc);
			if (i == 0) {
				if (strbuf[0] == '\0') {
					ret = 1;
					goto end;
				}
				enc_config.keystr = strbuf;
				break;
			}
			if (i < 0) {
				BIO_printf(bio_err, "bad password read\n");
				goto end;
			}
		}
	}
	if (enc_config.outf == NULL) {
		BIO_set_fp(out, stdout, BIO_NOCLOSE);
		if (enc_config.bufsize != NULL)
			setvbuf(stdout, (char *)NULL, _IONBF, 0);
	} else {
		if (BIO_write_filename(out, enc_config.outf) <= 0) {
			perror(enc_config.outf);
			goto end;
		}
	}

	rbio = in;
	wbio = out;

#ifdef ZLIB
	if (do_zlib) {
		if ((bzl = BIO_new(BIO_f_zlib())) == NULL)
			goto end;
		if (enc)
			wbio = BIO_push(bzl, wbio);
		else
			rbio = BIO_push(bzl, rbio);
	}
#endif

	if (enc_config.base64) {
		if ((b64 = BIO_new(BIO_f_base64())) == NULL)
			goto end;
		if (enc_config.debug) {
			BIO_set_callback(b64, BIO_debug_callback);
			BIO_set_callback_arg(b64, (char *) bio_err);
		}
		if (enc_config.olb64)
			BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
		if (enc_config.enc)
			wbio = BIO_push(b64, wbio);
		else
			rbio = BIO_push(b64, rbio);
	}
	if (enc_config.cipher != NULL) {
		/*
		 * Note that keystr is NULL if a key was passed on the command
		 * line, so we get no salt in that case. Is this a bug?
		 */
		if (enc_config.keystr != NULL) {
			/*
			 * Salt handling: if encrypting generate a salt and
			 * write to output BIO. If decrypting read salt from
			 * input BIO.
			 */
			unsigned char *sptr;
			if (enc_config.nosalt)
				sptr = NULL;
			else {
				if (enc_config.enc) {
					if (enc_config.hsalt) {
						if (!set_hex(enc_config.hsalt, salt, sizeof salt)) {
							BIO_printf(bio_err,
							    "invalid hex salt value\n");
							goto end;
						}
					} else
						arc4random_buf(salt,
						    sizeof(salt));
					/*
					 * If -P option then don't bother
					 * writing
					 */
					if ((enc_config.printkey != 2)
					    && (BIO_write(wbio, magic,
						    sizeof magic - 1) != sizeof magic - 1
						|| BIO_write(wbio,
						    (char *) salt,
						    sizeof salt) != sizeof salt)) {
						BIO_printf(bio_err, "error writing output file\n");
						goto end;
					}
				} else if (BIO_read(rbio, mbuf, sizeof mbuf) != sizeof mbuf
					    || BIO_read(rbio,
						(unsigned char *) salt,
					sizeof salt) != sizeof salt) {
					BIO_printf(bio_err, "error reading input file\n");
					goto end;
				} else if (memcmp(mbuf, magic, sizeof magic - 1)) {
					BIO_printf(bio_err, "bad magic number\n");
					goto end;
				}
				sptr = salt;
			}

			EVP_BytesToKey(enc_config.cipher, dgst, sptr,
			    (unsigned char *)enc_config.keystr,
			    strlen(enc_config.keystr), 1, key, iv);
			/*
			 * zero the complete buffer or the string passed from
			 * the command line bug picked up by Larry J. Hughes
			 * Jr. <*****@*****.**>
			 */
			if (enc_config.keystr == strbuf)
				explicit_bzero(enc_config.keystr, SIZE);
			else
				explicit_bzero(enc_config.keystr,
				    strlen(enc_config.keystr));
		}
		if (enc_config.hiv != NULL &&
		    !set_hex(enc_config.hiv, iv, sizeof iv)) {
			BIO_printf(bio_err, "invalid hex iv value\n");
			goto end;
		}
		if (enc_config.hiv == NULL && enc_config.keystr == NULL &&
		    EVP_CIPHER_iv_length(enc_config.cipher) != 0) {
			/*
			 * 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 (enc_config.hkey != NULL &&
		    !set_hex(enc_config.hkey, key, sizeof key)) {
			BIO_printf(bio_err, "invalid hex key value\n");
			goto end;
		}
		if ((benc = BIO_new(BIO_f_cipher())) == NULL)
			goto end;

		/*
		 * Since we may be changing parameters work on the encryption
		 * context rather than calling BIO_set_cipher().
		 */

		BIO_get_cipher_ctx(benc, &ctx);

		if (!EVP_CipherInit_ex(ctx, enc_config.cipher, NULL, NULL,
		    NULL, enc_config.enc)) {
			BIO_printf(bio_err, "Error setting cipher %s\n",
			    EVP_CIPHER_name(enc_config.cipher));
			ERR_print_errors(bio_err);
			goto end;
		}
		if (enc_config.nopad)
			EVP_CIPHER_CTX_set_padding(ctx, 0);

		if (!EVP_CipherInit_ex(ctx, NULL, NULL, key, iv,
		    enc_config.enc)) {
			BIO_printf(bio_err, "Error setting cipher %s\n",
			    EVP_CIPHER_name(enc_config.cipher));
			ERR_print_errors(bio_err);
			goto end;
		}
		if (enc_config.debug) {
			BIO_set_callback(benc, BIO_debug_callback);
			BIO_set_callback_arg(benc, (char *) bio_err);
		}
		if (enc_config.printkey) {
			if (!enc_config.nosalt) {
				printf("salt=");
				for (i = 0; i < (int) sizeof(salt); i++)
					printf("%02X", salt[i]);
				printf("\n");
			}
			if (enc_config.cipher->key_len > 0) {
				printf("key=");
				for (i = 0; i < enc_config.cipher->key_len; i++)
					printf("%02X", key[i]);
				printf("\n");
			}
			if (enc_config.cipher->iv_len > 0) {
				printf("iv =");
				for (i = 0; i < enc_config.cipher->iv_len; i++)
					printf("%02X", iv[i]);
				printf("\n");
			}
			if (enc_config.printkey == 2) {
				ret = 0;
				goto end;
			}
		}
	}
	/* Only encrypt/decrypt as we write the file */
	if (benc != NULL)
		wbio = BIO_push(benc, wbio);

	for (;;) {
		inl = BIO_read(rbio, (char *) buff, bsize);
		if (inl <= 0)
			break;
		if (BIO_write(wbio, (char *) buff, inl) != inl) {
			BIO_printf(bio_err, "error writing output file\n");
			goto end;
		}
	}
	if (!BIO_flush(wbio)) {
		BIO_printf(bio_err, "bad decrypt\n");
		goto end;
	}
	ret = 0;
	if (enc_config.verbose) {
		BIO_printf(bio_err, "bytes read   :%8ld\n", BIO_number_read(in));
		BIO_printf(bio_err, "bytes written:%8ld\n", BIO_number_written(out));
	}
end:
	ERR_print_errors(bio_err);
	free(strbuf);
	free(buff);
	BIO_free(in);
	if (out != NULL)
		BIO_free_all(out);
	BIO_free(benc);
	BIO_free(b64);
#ifdef ZLIB
	BIO_free(bzl);
#endif
	free(pass);

	return (ret);
}
Ejemplo n.º 10
0
static void
print_stuff(BIO * bio, SSL * s, int full)
{
	X509 *peer = NULL;
	char *p;
	static const char *space = "                ";
	char buf[BUFSIZ];
	STACK_OF(X509) * sk;
	STACK_OF(X509_NAME) * sk2;
	const SSL_CIPHER *c;
	X509_NAME *xn;
	int j, i;
	unsigned char *exportedkeymat;

	if (full) {
		int got_a_chain = 0;

		sk = SSL_get_peer_cert_chain(s);
		if (sk != NULL) {
			got_a_chain = 1;	/* we don't have it for SSL2
						 * (yet) */

			BIO_printf(bio, "---\nCertificate chain\n");
			for (i = 0; i < sk_X509_num(sk); i++) {
				X509_NAME_oneline(X509_get_subject_name(
					sk_X509_value(sk, i)), buf, sizeof buf);
				BIO_printf(bio, "%2d s:%s\n", i, buf);
				X509_NAME_oneline(X509_get_issuer_name(
					sk_X509_value(sk, i)), buf, sizeof buf);
				BIO_printf(bio, "   i:%s\n", buf);
				if (c_showcerts)
					PEM_write_bio_X509(bio, sk_X509_value(sk, i));
			}
		}
		BIO_printf(bio, "---\n");
		peer = SSL_get_peer_certificate(s);
		if (peer != NULL) {
			BIO_printf(bio, "Server certificate\n");
			if (!(c_showcerts && got_a_chain))	/* Redundant if we
								 * showed the whole
								 * chain */
				PEM_write_bio_X509(bio, peer);
			X509_NAME_oneline(X509_get_subject_name(peer),
			    buf, sizeof buf);
			BIO_printf(bio, "subject=%s\n", buf);
			X509_NAME_oneline(X509_get_issuer_name(peer),
			    buf, sizeof buf);
			BIO_printf(bio, "issuer=%s\n", buf);
		} else
			BIO_printf(bio, "no peer certificate available\n");

		sk2 = SSL_get_client_CA_list(s);
		if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
			BIO_printf(bio, "---\nAcceptable client certificate CA names\n");
			for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
				xn = sk_X509_NAME_value(sk2, i);
				X509_NAME_oneline(xn, buf, sizeof(buf));
				BIO_write(bio, buf, strlen(buf));
				BIO_write(bio, "\n", 1);
			}
		} else {
			BIO_printf(bio, "---\nNo client certificate CA names sent\n");
		}
		p = SSL_get_shared_ciphers(s, buf, sizeof buf);
		if (p != NULL) {
			/*
			 * This works only for SSL 2.  In later protocol
			 * versions, the client does not know what other
			 * ciphers (in addition to the one to be used in the
			 * current connection) the server supports.
			 */

			BIO_printf(bio, "---\nCiphers common between both SSL endpoints:\n");
			j = i = 0;
			while (*p) {
				if (*p == ':') {
					BIO_write(bio, space, 15 - j % 25);
					i++;
					j = 0;
					BIO_write(bio, ((i % 3) ? " " : "\n"), 1);
				} else {
					BIO_write(bio, p, 1);
					j++;
				}
				p++;
			}
			BIO_write(bio, "\n", 1);
		}
		BIO_printf(bio, "---\nSSL handshake has read %ld bytes and written %ld bytes\n",
		    BIO_number_read(SSL_get_rbio(s)),
		    BIO_number_written(SSL_get_wbio(s)));
	}
	BIO_printf(bio, (SSL_cache_hit(s) ? "---\nReused, " : "---\nNew, "));
	c = SSL_get_current_cipher(s);
	BIO_printf(bio, "%s, Cipher is %s\n",
	    SSL_CIPHER_get_version(c),
	    SSL_CIPHER_get_name(c));
	if (peer != NULL) {
		EVP_PKEY *pktmp;
		pktmp = X509_get_pubkey(peer);
		BIO_printf(bio, "Server public key is %d bit\n",
		    EVP_PKEY_bits(pktmp));
		EVP_PKEY_free(pktmp);
	}
	BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
	    SSL_get_secure_renegotiation_support(s) ? "" : " NOT");

	/* Compression is not supported and will always be none. */
	BIO_printf(bio, "Compression: NONE\n");
	BIO_printf(bio, "Expansion: NONE\n");

#ifdef SSL_DEBUG
	{
		/* Print out local port of connection: useful for debugging */
		int sock;
		struct sockaddr_in ladd;
		socklen_t ladd_size = sizeof(ladd);
		sock = SSL_get_fd(s);
		getsockname(sock, (struct sockaddr *) & ladd, &ladd_size);
		BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
	}
#endif

#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
	if (next_proto.status != -1) {
		const unsigned char *proto;
		unsigned int proto_len;
		SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
		BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
		BIO_write(bio, proto, proto_len);
		BIO_write(bio, "\n", 1);
	}
#endif

#ifndef OPENSSL_NO_SRTP
	{
		SRTP_PROTECTION_PROFILE *srtp_profile = SSL_get_selected_srtp_profile(s);

		if (srtp_profile)
			BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
			    srtp_profile->name);
	}
#endif

	SSL_SESSION_print(bio, SSL_get_session(s));
	if (keymatexportlabel != NULL) {
		BIO_printf(bio, "Keying material exporter:\n");
		BIO_printf(bio, "    Label: '%s'\n", keymatexportlabel);
		BIO_printf(bio, "    Length: %i bytes\n", keymatexportlen);
		exportedkeymat = malloc(keymatexportlen);
		if (exportedkeymat != NULL) {
			if (!SSL_export_keying_material(s, exportedkeymat,
				keymatexportlen,
				keymatexportlabel,
				strlen(keymatexportlabel),
				NULL, 0, 0)) {
				BIO_printf(bio, "    Error\n");
			} else {
				BIO_printf(bio, "    Keying material: ");
				for (i = 0; i < keymatexportlen; i++)
					BIO_printf(bio, "%02X",
					    exportedkeymat[i]);
				BIO_printf(bio, "\n");
			}
			free(exportedkeymat);
		}
	}
	BIO_printf(bio, "---\n");
	if (peer != NULL)
		X509_free(peer);
	/* flush, or debugging output gets mixed with http response */
	(void) BIO_flush(bio);
}
Ejemplo n.º 11
0
int enc_main(int argc, char **argv)
{
    static char buf[128];
    static const char magic[] = "Salted__";
    BIO *in = NULL, *out = NULL, *b64 = NULL, *benc = NULL, *rbio =
                                            NULL, *wbio = NULL;
    EVP_CIPHER_CTX *ctx = NULL;
    const EVP_CIPHER *cipher = NULL, *c;
    const EVP_MD *dgst = NULL;
    char *hkey = NULL, *hiv = NULL, *hsalt = NULL, *p;
    char *infile = NULL, *outfile = NULL, *prog;
    char *str = NULL, *passarg = NULL, *pass = NULL, *strbuf = NULL;
    char mbuf[sizeof magic - 1];
    OPTION_CHOICE o;
    int bsize = BSIZE, verbose = 0, debug = 0, olb64 = 0, nosalt = 0;
    int enc = 1, printkey = 0, i, k;
    int base64 = 0, informat = FORMAT_BINARY, outformat = FORMAT_BINARY;
    int ret = 1, inl, nopad = 0, non_fips_allow = 0;
    unsigned char key[EVP_MAX_KEY_LENGTH], iv[EVP_MAX_IV_LENGTH];
    unsigned char *buff = NULL, salt[PKCS5_SALT_LEN];
    unsigned long n;
#ifdef ZLIB
    int do_zlib = 0;
    BIO *bzl = NULL;
#endif

    /* first check the program name */
    prog = opt_progname(argv[0]);
    if (strcmp(prog, "base64") == 0)
        base64 = 1;
#ifdef ZLIB
    else if (strcmp(prog, "zlib") == 0)
        do_zlib = 1;
#endif
    else {
        cipher = EVP_get_cipherbyname(prog);
        if (cipher == NULL && strcmp(prog, "enc") != 0) {
            BIO_printf(bio_err, "%s is not a known cipher\n", prog);
            goto end;
        }
    }

    prog = opt_init(argc, argv, enc_options);
    while ((o = opt_next()) != OPT_EOF) {
        switch (o) {
        case OPT_EOF:
        case OPT_ERR:
opthelp:
            BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
            goto end;
        case OPT_HELP:
            opt_help(enc_options);
            ret = 0;
            BIO_printf(bio_err, "Cipher Types\n");
            OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_CIPHER_METH,
                                   show_ciphers, bio_err);
            BIO_printf(bio_err, "\n");
            goto end;
        case OPT_E:
            enc = 1;
            break;
        case OPT_IN:
            infile = opt_arg();
            break;
        case OPT_OUT:
            outfile = opt_arg();
            break;
        case OPT_PASS:
            passarg = opt_arg();
            break;
        case OPT_ENGINE:
            (void)setup_engine(opt_arg(), 0);
            break;
        case OPT_D:
            enc = 0;
            break;
        case OPT_P:
            printkey = 1;
            break;
        case OPT_V:
            verbose = 1;
            break;
        case OPT_NOPAD:
            nopad = 1;
            break;
        case OPT_SALT:
            nosalt = 0;
            break;
        case OPT_NOSALT:
            nosalt = 1;
            break;
        case OPT_DEBUG:
            debug = 1;
            break;
        case OPT_UPPER_P:
            printkey = 2;
            break;
        case OPT_UPPER_A:
            olb64 = 1;
            break;
        case OPT_A:
            base64 = 1;
            break;
        case OPT_Z:
#ifdef ZLIB
            do_zlib = 1;
#endif
            break;
        case OPT_BUFSIZE:
            p = opt_arg();
            i = (int)strlen(p) - 1;
            k = i >= 1 && p[i] == 'k';
            if (k)
                p[i] = '\0';
            if (!opt_ulong(opt_arg(), &n))
                goto opthelp;
            if (k)
                n *= 1024;
            bsize = (int)n;
            break;
        case OPT_K:
            str = opt_arg();
            break;
        case OPT_KFILE:
            in = bio_open_default(opt_arg(), 'r', FORMAT_TEXT);
            if (in == NULL)
                goto opthelp;
            i = BIO_gets(in, buf, sizeof buf);
            BIO_free(in);
            in = NULL;
            if (i <= 0) {
                BIO_printf(bio_err,
                           "%s Can't read key from %s\n", prog, opt_arg());
                goto opthelp;
            }
            while (--i > 0 && (buf[i] == '\r' || buf[i] == '\n'))
                buf[i] = '\0';
            if (i <= 0) {
                BIO_printf(bio_err, "%s: zero length password\n", prog);
                goto opthelp;
            }
            str = buf;
            break;
        case OPT_UPPER_K:
            hkey = opt_arg();
            break;
        case OPT_UPPER_S:
            hsalt = opt_arg();
            break;
        case OPT_IV:
            hiv = opt_arg();
            break;
        case OPT_MD:
            if (!opt_md(opt_arg(), &dgst))
                goto opthelp;
            break;
        case OPT_NON_FIPS_ALLOW:
            non_fips_allow = 1;
            break;
        case OPT_CIPHER:
            if (!opt_cipher(opt_unknown(), &c))
                goto opthelp;
            cipher = c;
            break;
        case OPT_NONE:
            cipher = NULL;
            break;
        }
    }
    argc = opt_num_rest();
    argv = opt_rest();

    if (cipher && EVP_CIPHER_flags(cipher) & EVP_CIPH_FLAG_AEAD_CIPHER) {
        BIO_printf(bio_err, "%s: AEAD ciphers not supported\n", prog);
        goto end;
    }

    if (cipher && (EVP_CIPHER_mode(cipher) == EVP_CIPH_XTS_MODE)) {
        BIO_printf(bio_err, "%s XTS ciphers not supported\n", prog);
        goto end;
    }

    if (dgst == NULL)
        dgst = EVP_sha256();

    /* It must be large enough for a base64 encoded line */
    if (base64 && bsize < 80)
        bsize = 80;
    if (verbose)
        BIO_printf(bio_err, "bufsize=%d\n", bsize);

    if (base64) {
        if (enc)
            outformat = FORMAT_BASE64;
        else
            informat = FORMAT_BASE64;
    }

    strbuf = app_malloc(SIZE, "strbuf");
    buff = app_malloc(EVP_ENCODE_LENGTH(bsize), "evp buffer");

    if (debug) {
        BIO_set_callback(in, BIO_debug_callback);
        BIO_set_callback(out, BIO_debug_callback);
        BIO_set_callback_arg(in, (char *)bio_err);
        BIO_set_callback_arg(out, (char *)bio_err);
    }

    if (infile == NULL) {
        unbuffer(stdin);
        in = dup_bio_in(informat);
    } else
        in = bio_open_default(infile, 'r', informat);
    if (in == NULL)
        goto end;

    if (!str && passarg) {
        if (!app_passwd(passarg, NULL, &pass, NULL)) {
            BIO_printf(bio_err, "Error getting password\n");
            goto end;
        }
        str = pass;
    }

    if ((str == NULL) && (cipher != NULL) && (hkey == NULL)) {
        for (;;) {
            char prompt[200];

            BIO_snprintf(prompt, sizeof prompt, "enter %s %s password:"******"encryption" : "decryption");
            strbuf[0] = '\0';
            i = EVP_read_pw_string((char *)strbuf, SIZE, prompt, enc);
            if (i == 0) {
                if (strbuf[0] == '\0') {
                    ret = 1;
                    goto end;
                }
                str = strbuf;
                break;
            }
            if (i < 0) {
                BIO_printf(bio_err, "bad password read\n");
                goto end;
            }
        }
    }

    out = bio_open_default(outfile, 'w', outformat);
    if (out == NULL)
        goto end;

    rbio = in;
    wbio = out;

#ifdef ZLIB
    if (do_zlib) {
        if ((bzl = BIO_new(BIO_f_zlib())) == NULL)
            goto end;
        if (enc)
            wbio = BIO_push(bzl, wbio);
        else
            rbio = BIO_push(bzl, rbio);
    }
#endif

    if (base64) {
        if ((b64 = BIO_new(BIO_f_base64())) == NULL)
            goto end;
        if (debug) {
            BIO_set_callback(b64, BIO_debug_callback);
            BIO_set_callback_arg(b64, (char *)bio_err);
        }
        if (olb64)
            BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
        if (enc)
            wbio = BIO_push(b64, wbio);
        else
            rbio = BIO_push(b64, rbio);
    }

    if (cipher != NULL) {
        /*
         * Note that str is NULL if a key was passed on the command line, so
         * we get no salt in that case. Is this a bug?
         */
        if (str != NULL) {
            /*
             * Salt handling: if encrypting generate a salt and write to
             * output BIO. If decrypting read salt from input BIO.
             */
            unsigned char *sptr;
            if (nosalt)
                sptr = NULL;
            else {
                if (enc) {
                    if (hsalt) {
                        if (!set_hex(hsalt, salt, sizeof salt)) {
                            BIO_printf(bio_err, "invalid hex salt value\n");
                            goto end;
                        }
                    } else if (RAND_bytes(salt, sizeof salt) <= 0)
                        goto end;
                    /*
                     * If -P option then don't bother writing
                     */
                    if ((printkey != 2)
                            && (BIO_write(wbio, magic,
                                          sizeof magic - 1) != sizeof magic - 1
                                || BIO_write(wbio,
                                             (char *)salt,
                                             sizeof salt) != sizeof salt)) {
                        BIO_printf(bio_err, "error writing output file\n");
                        goto end;
                    }
                } else if (BIO_read(rbio, mbuf, sizeof mbuf) != sizeof mbuf
                           || BIO_read(rbio,
                                       (unsigned char *)salt,
                                       sizeof salt) != sizeof salt) {
                    BIO_printf(bio_err, "error reading input file\n");
                    goto end;
                } else if (memcmp(mbuf, magic, sizeof magic - 1)) {
                    BIO_printf(bio_err, "bad magic number\n");
                    goto end;
                }

                sptr = salt;
            }

            if (!EVP_BytesToKey(cipher, dgst, sptr,
                                (unsigned char *)str,
                                strlen(str), 1, key, iv)) {
                BIO_printf(bio_err, "EVP_BytesToKey failed\n");
                goto end;
            }
            /*
             * zero the complete buffer or the string passed from the command
             * line bug picked up by Larry J. Hughes Jr. <*****@*****.**>
             */
            if (str == strbuf)
                OPENSSL_cleanse(str, SIZE);
            else
                OPENSSL_cleanse(str, strlen(str));
        }
        if (hiv != NULL) {
            int siz = EVP_CIPHER_iv_length(cipher);
            if (siz == 0) {
                BIO_printf(bio_err, "warning: iv not use by this cipher\n");
            } else if (!set_hex(hiv, iv, sizeof iv)) {
                BIO_printf(bio_err, "invalid hex iv value\n");
                goto end;
            }
        }
        if ((hiv == NULL) && (str == NULL)
                && EVP_CIPHER_iv_length(cipher) != 0) {
            /*
             * 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, EVP_CIPHER_key_length(cipher))) {
            BIO_printf(bio_err, "invalid hex key value\n");
            goto end;
        }

        if ((benc = BIO_new(BIO_f_cipher())) == NULL)
            goto end;

        /*
         * Since we may be changing parameters work on the encryption context
         * rather than calling BIO_set_cipher().
         */

        BIO_get_cipher_ctx(benc, &ctx);

        if (non_fips_allow)
            EVP_CIPHER_CTX_set_flags(ctx, EVP_CIPH_FLAG_NON_FIPS_ALLOW);

        if (!EVP_CipherInit_ex(ctx, cipher, NULL, NULL, NULL, enc)) {
            BIO_printf(bio_err, "Error setting cipher %s\n",
                       EVP_CIPHER_name(cipher));
            ERR_print_errors(bio_err);
            goto end;
        }

        if (nopad)
            EVP_CIPHER_CTX_set_padding(ctx, 0);

        if (!EVP_CipherInit_ex(ctx, NULL, NULL, key, iv, enc)) {
            BIO_printf(bio_err, "Error setting cipher %s\n",
                       EVP_CIPHER_name(cipher));
            ERR_print_errors(bio_err);
            goto end;
        }

        if (debug) {
            BIO_set_callback(benc, BIO_debug_callback);
            BIO_set_callback_arg(benc, (char *)bio_err);
        }

        if (printkey) {
            if (!nosalt) {
                printf("salt=");
                for (i = 0; i < (int)sizeof(salt); i++)
                    printf("%02X", salt[i]);
                printf("\n");
            }
            if (cipher->key_len > 0) {
                printf("key=");
                for (i = 0; i < cipher->key_len; i++)
                    printf("%02X", key[i]);
                printf("\n");
            }
            if (cipher->iv_len > 0) {
                printf("iv =");
                for (i = 0; i < cipher->iv_len; i++)
                    printf("%02X", iv[i]);
                printf("\n");
            }
            if (printkey == 2) {
                ret = 0;
                goto end;
            }
        }
    }

    /* Only encrypt/decrypt as we write the file */
    if (benc != NULL)
        wbio = BIO_push(benc, wbio);

    for (;;) {
        inl = BIO_read(rbio, (char *)buff, bsize);
        if (inl <= 0)
            break;
        if (BIO_write(wbio, (char *)buff, inl) != inl) {
            BIO_printf(bio_err, "error writing output file\n");
            goto end;
        }
    }
    if (!BIO_flush(wbio)) {
        BIO_printf(bio_err, "bad decrypt\n");
        goto end;
    }

    ret = 0;
    if (verbose) {
        BIO_printf(bio_err, "bytes read   :%8"PRIu64"\n", BIO_number_read(in));
        BIO_printf(bio_err, "bytes written:%8"PRIu64"\n", BIO_number_written(out));
    }
end:
    ERR_print_errors(bio_err);
    OPENSSL_free(strbuf);
    OPENSSL_free(buff);
    BIO_free(in);
    BIO_free_all(out);
    BIO_free(benc);
    BIO_free(b64);
#ifdef ZLIB
    BIO_free(bzl);
#endif
    OPENSSL_free(pass);
    return (ret);
}
Ejemplo n.º 12
0
UNSIGNED32 get_timestamp_response(const char* urlStr, char* hash, UNSIGNED32 hash_size, UNSIGNED32 httpTimeOut, TS_RESP** tsResponse)
{
	UNSIGNED32 result = TINTERNALERROR;
	BIO* responseBio = NULL;
	Url* url = NULL;
	TS_REQ* tsRequest = NULL;
	BIO* requestBio = NULL;
	int requestHeaderLength;
	int requestLength;
	int requestContentLength;
	char requestHeader[2048 + 256];
	char* request = NULL;
	void* contentBuffer = NULL;
	void* resultBuffer = NULL;
	int resultLength;
	TS_MSG_IMPRINT* msgImprint = NULL;
	ASN1_OCTET_STRING* hashedMessage = NULL;
	int hashedMessageLength;
	int httpResult;
	char *urlBuffer = NULL;
	int redirection = 0;

	/* Check if TS url is specified */
	if (!urlStr)
	{
		goto end;
	}

	/* Get Request for timestamp */
	tsRequest = get_timestamp_request(hash, hash_size, create_nonce(NONCE_LENGTH));
	msgImprint = TS_REQ_get_msg_imprint(tsRequest);
	hashedMessage = TS_MSG_IMPRINT_get_msg(msgImprint);
	hashedMessageLength = ASN1_STRING_length((ASN1_STRING*)hashedMessage);
	if ((int)hash_size != hashedMessageLength)
	{
		goto end;
	}

	requestBio = BIO_new(BIO_s_mem());
	if (requestBio == NULL)
	{
		goto end;
	}

	if (!i2d_TS_REQ_bio(requestBio, tsRequest))
	{
		goto end;
	}

	contentBuffer = memory_alloc(BIO_number_written(requestBio));
	if (contentBuffer == NULL)
	{
		goto end;
	}

    requestContentLength = BIO_read(requestBio, contentBuffer, BIO_number_written(requestBio));

    /* Allocate memory buffer for timestamp server url */
    urlBuffer = memory_alloc(strlen(urlStr) + 1);
    if (!urlBuffer)
    {
    	goto end;
    }
    /* Copy TS url to allocated buffer */
    strcpy(urlBuffer, urlStr);

http_redirect:

	/* Parse and check URL */
	url = parse_url(urlBuffer);
	if (url == NULL)
	{
		goto end;
	}
	if (strcmp(url->Scheme, "http") != 0)
	{
		goto end;
	}

    requestHeaderLength = sprintf(requestHeader, "POST %s HTTP/1.0\r\nHOST: %s\r\nPragma: no-cache\r\nContent-Type: application/timestamp-query\r\nAccept: application/timestamp-reply\r\nContent-Length: %d\r\n\r\n",
    		urlBuffer, url->Host, requestContentLength);

	requestLength = requestHeaderLength + requestContentLength;

	request = (char*)memory_alloc(requestLength);
	if (request == NULL)
	{
		goto end;
	}

	memcpy(request, requestHeader, requestHeaderLength);
	memcpy(request + requestHeaderLength, contentBuffer, requestContentLength);

	httpResult = http_read(url->Host, request, requestLength, url->Port, httpTimeOut, 1, &resultBuffer, &resultLength);
	if (httpResult == HTTP_REDIRECTION && (resultBuffer) && !redirection)
	{
		free_url(url);
		url = NULL;
		memory_free(request);
		request = NULL;
		/* Allocated buffer for redirected url */
	    urlBuffer = memory_realloc(urlBuffer, resultLength);
	    if (!urlBuffer)
	    {
	    	goto end;
	    }
	    memcpy(urlBuffer, resultBuffer, resultLength);
	    memory_free(resultBuffer);
	    redirection++;
		goto http_redirect;
	} else
	if ((httpResult == HTTP_NOERROR) && (resultBuffer))
	{
		responseBio = BIO_new(BIO_s_mem());
		if (responseBio == NULL)
		{
			goto end;
		}
		BIO_write(responseBio, resultBuffer, resultLength);

		*tsResponse = d2i_TS_RESP_bio(responseBio, NULL);
		if (*tsResponse == NULL)
		{
			goto end;
		}

		result = TNOERR;
	}
	else
	{
		switch (httpResult)
		{
			case HTTP_NOLIVEINTERNET_ERROR:
				result = TNONET;
				break;
			case HTTP_TIMEOUT_ERROR:
				result = TTIMEOUT;
				break;
			case HTTP_RESPONSESTATUS_ERROR:
				result = TSERVERERROR;
				break;
			default:
				result = TINTERNALERROR;
				break;
		}
	}

end:
	free_url(url);
	if (tsRequest != NULL)
	{
		TS_REQ_free(tsRequest);
	}
	if (requestBio != NULL)
	{
		BIO_free_all(requestBio);
	}
	if (responseBio != NULL)
	{
		BIO_free_all(responseBio);
	}
	if (request != NULL)
	{
		memory_free(request);
	}
	if (contentBuffer != NULL)
	{
		memory_free(contentBuffer);
	}
	if (resultBuffer != NULL)
	{
		memory_free(resultBuffer);
	}
	if (urlBuffer != NULL)
	{
		memory_free(urlBuffer);
	}

	return result;
}
Ejemplo n.º 13
0
void ssl_barf_out(Socket_t S) {
	BIO *ebio;
	char buf[BUFSIZ], *p;
	sock_ssl_t m = XSsl(S);

  if (tb_errorlevel >= TB_NOTICE) {
		STACK      * sk;

    if ((ebio=BIO_new(BIO_s_file())) == NULL) {
      tb_warn("Cannot create new BIO\n");
      ERR_print_errors_fp(stderr);
      return;
    }
    BIO_set_fp(ebio,stderr,BIO_NOCLOSE);
    if ((sk=(STACK *)SSL_get_peer_cert_chain(m->cx)) != NULL) {
			int i;
      BIO_printf(ebio,"---\nCertificate chain\n");
      for (i=0; i<sk_num(sk); i++) {
        X509_NAME_oneline(X509_get_subject_name((X509*)sk_value(sk,i)),buf,BUFSIZ);
        BIO_printf(ebio,"%2d s:%s\n",i,buf);
        X509_NAME_oneline(X509_get_issuer_name((X509 *)sk_value(sk,i)),buf,BUFSIZ);
        BIO_printf(ebio,"   i:%s\n",buf);
      }
    }
    BIO_printf(ebio,"---\n");
    if ((m->peer=SSL_get_peer_certificate(m->cx)) != NULL) {
      BIO_printf(ebio,"Peer certificate\n");
      PEM_write_bio_X509(ebio,m->peer);
      X509_NAME_oneline(X509_get_subject_name(m->peer),buf,BUFSIZ);
      BIO_printf(ebio,"subject=%s\n",buf);
      X509_NAME_oneline(X509_get_issuer_name(m->peer),buf,BUFSIZ);
      BIO_printf(ebio,"issuer=%s\n",buf);
    }
    else
      BIO_printf(ebio,"no peer certificate available\n");
    if (((sk=SSL_get_client_CA_list(m->cx)) != NULL) && (sk_num(sk) > 0)) {
			int i;
      BIO_printf(ebio,"---\nAcceptable peer certificate CA names\n");
      for (i=0; i<sk_num(sk); i++) {
        m->xn=(X509_NAME *)sk_value(sk,i);
        X509_NAME_oneline(m->xn,buf,sizeof(buf));
        BIO_write(ebio,buf,strlen(buf));
        BIO_write(ebio,"\n",1);
      }
    }
    else {
      BIO_printf(ebio,"---\nNo peer certificate CA names sent\n");
    }
    if ((p=SSL_get_shared_ciphers(m->cx,buf,BUFSIZ)) != NULL) {
			int i, j;
      BIO_printf(ebio,"---\nCiphers common between both SSL endpoints:\n");
      j=i=0;
      while (*p) {
        if (*p != ':') {
          BIO_write(ebio,p,1);j++;
        } else {
          BIO_write(ebio,"                ",15-j%25);i++;j=0;
          BIO_write(ebio,((i%3)?" ":"\n"),1);
        }
        p++;
      }
      BIO_write(ebio,"\n",1);
    }
    BIO_printf(ebio,
               "---\nSSL handshake has read %ld bytes and written %ld bytes\n",
               BIO_number_read(SSL_get_rbio(m->cx)),
               BIO_number_written(SSL_get_wbio(m->cx)));
    BIO_printf(ebio,((m->cx->hit)?"---\nReused, ":"---\nNew, "));
    m->sc=SSL_get_current_cipher(m->cx);
    BIO_printf(ebio,"%s, Cipher is %s\n",
               SSL_CIPHER_get_version(m->sc),SSL_CIPHER_get_name(m->sc));
    if(m->peer != NULL) {
      EVP_PKEY *pktmp;
      pktmp = X509_get_pubkey(m->peer);
      BIO_printf(ebio,"Server public key is %d bit\n", EVP_PKEY_bits(pktmp));
      EVP_PKEY_free(pktmp);
    }
    SSL_SESSION_print(ebio,SSL_get_session(m->cx));
    BIO_printf(ebio,"---\n");
    if(m->peer != NULL)
      X509_free(m->peer);
    BIO_free(ebio);
  }
}
Ejemplo n.º 14
0
int MAIN(int argc, char **argv)
	{
	static const char magic[]="Salted__";
	char mbuf[8];	/* should be 1 smaller than magic */
	char *strbuf=NULL;
	unsigned char *buff=NULL,*bufsize=NULL;
	int bsize=BSIZE,verbose=0;
	int ret=1,inl;
	unsigned char key[24],iv[MD5_DIGEST_LENGTH];
	unsigned char salt[PKCS5_SALT_LEN];
	char *str=NULL, *passarg = NULL, *pass = NULL;
	char *hkey=NULL,*hiv=NULL,*hsalt = NULL;
	int enc=1,printkey=0,i,base64=0;
	int debug=0,olb64=0,nosalt=0;
	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  39
	char pname[PROG_NAME_SIZE+1];

	apps_startup();

	if (bio_err == NULL)
		if ((bio_err=BIO_new(BIO_s_file())) != NULL)
			BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);

	/* first check the program name */
	program_name(argv[0],pname,PROG_NAME_SIZE);
	if (strcmp(pname,"base64") == 0)
		base64=1;

	cipher=EVP_get_cipherbyname(pname);
	if (!base64 && (cipher == NULL) && (strcmp(pname,"enc") != 0))
		{
		BIO_printf(bio_err,"%s is an unknown cipher\n",pname);
		goto bad;
		}

	argc--;
	argv++;
	while (argc >= 1)
		{
		if	(strcmp(*argv,"-e") == 0)
			enc=1;
		else if (strcmp(*argv,"-in") == 0)
			{
			if (--argc < 1) goto bad;
			inf= *(++argv);
			}
		else if (strcmp(*argv,"-out") == 0)
			{
			if (--argc < 1) goto bad;
			outf= *(++argv);
			}
		else if (strcmp(*argv,"-pass") == 0)
			{
			if (--argc < 1) goto bad;
			passarg= *(++argv);
			}
		else if	(strcmp(*argv,"-d") == 0)
			enc=0;
		else if	(strcmp(*argv,"-p") == 0)
			printkey=1;
		else if	(strcmp(*argv,"-v") == 0)
			verbose=1;
		else if	(strcmp(*argv,"-salt") == 0)
			nosalt=0;
		else if	(strcmp(*argv,"-nosalt") == 0)
			nosalt=1;
		else if	(strcmp(*argv,"-debug") == 0)
			debug=1;
		else if	(strcmp(*argv,"-P") == 0)
			printkey=2;
		else if	(strcmp(*argv,"-A") == 0)
			olb64=1;
		else if	(strcmp(*argv,"-a") == 0)
			base64=1;
		else if	(strcmp(*argv,"-base64") == 0)
			base64=1;
		else if (strcmp(*argv,"-bufsize") == 0)
			{
			if (--argc < 1) goto bad;
			bufsize=(unsigned char *)*(++argv);
			}
		else if (strcmp(*argv,"-k") == 0)
			{
			if (--argc < 1) goto bad;
			str= *(++argv);
			}
		else if (strcmp(*argv,"-kfile") == 0)
			{
			static char buf[128];
			FILE *infile;
			char *file;

			if (--argc < 1) goto bad;
			file= *(++argv);
			infile=fopen(file,"r");
			if (infile == NULL)
				{
				BIO_printf(bio_err,"unable to read key from '%s'\n",
					file);
				goto bad;
				}
			buf[0]='\0';
			fgets(buf,128,infile);
			fclose(infile);
			i=strlen(buf);
			if ((i > 0) &&
				((buf[i-1] == '\n') || (buf[i-1] == '\r')))
				buf[--i]='\0';
			if ((i > 0) &&
				((buf[i-1] == '\n') || (buf[i-1] == '\r')))
				buf[--i]='\0';
			if (i < 1)
				{
				BIO_printf(bio_err,"zero length password\n");
				goto bad;
				}
			str=buf;
			}
		else if (strcmp(*argv,"-K") == 0)
			{
			if (--argc < 1) goto bad;
			hkey= *(++argv);
			}
		else if (strcmp(*argv,"-S") == 0)
			{
			if (--argc < 1) goto bad;
			hsalt= *(++argv);
			}
		else if (strcmp(*argv,"-iv") == 0)
			{
			if (--argc < 1) goto bad;
			hiv= *(++argv);
			}
		else if	((argv[0][0] == '-') &&
			((c=EVP_get_cipherbyname(&(argv[0][1]))) != NULL))
			{
			cipher=c;
			}
		else if (strcmp(*argv,"-none") == 0)
			cipher=NULL;
		else
			{
			BIO_printf(bio_err,"unknown option '%s'\n",*argv);
bad:
			BIO_printf(bio_err,"options are\n");
			BIO_printf(bio_err,"%-14s input file\n","-in <file>");
			BIO_printf(bio_err,"%-14s output file\n","-out <file>");
			BIO_printf(bio_err,"%-14s pass phrase source\n","-pass <arg>");
			BIO_printf(bio_err,"%-14s encrypt\n","-e");
			BIO_printf(bio_err,"%-14s decrypt\n","-d");
			BIO_printf(bio_err,"%-14s base64 encode/decode, depending on encryption flag\n","-a/-base64");
			BIO_printf(bio_err,"%-14s key is the next argument\n","-k");
			BIO_printf(bio_err,"%-14s key is the first line of the file argument\n","-kfile");
			BIO_printf(bio_err,"%-14s key/iv in hex is the next argument\n","-K/-iv");
			BIO_printf(bio_err,"%-14s print the iv/key (then exit if -P)\n","-[pP]");
			BIO_printf(bio_err,"%-14s buffer size\n","-bufsize <n>");

			BIO_printf(bio_err,"Cipher Types\n");
			BIO_printf(bio_err,"des     : 56 bit key DES encryption\n");
			BIO_printf(bio_err,"des_ede :112 bit key ede DES encryption\n");
			BIO_printf(bio_err,"des_ede3:168 bit key ede DES encryption\n");
#ifndef NO_IDEA
			BIO_printf(bio_err,"idea    :128 bit key IDEA encryption\n");
#endif
#ifndef NO_RC4
			BIO_printf(bio_err,"rc2     :128 bit key RC2 encryption\n");
#endif
#ifndef NO_BF
			BIO_printf(bio_err,"bf      :128 bit key Blowfish encryption\n");
#endif
#ifndef NO_RC4
			BIO_printf(bio_err," -%-5s :128 bit key RC4 encryption\n",
				LN_rc4);
#endif

			BIO_printf(bio_err," -%-12s -%-12s -%-12s -%-12s",
				LN_des_ecb,LN_des_cbc,
				LN_des_cfb64,LN_des_ofb64);
			BIO_printf(bio_err," -%-4s (%s)\n",
				"des", LN_des_cbc);

			BIO_printf(bio_err," -%-12s -%-12s -%-12s -%-12s",
				LN_des_ede,LN_des_ede_cbc,
				LN_des_ede_cfb64,LN_des_ede_ofb64);
			BIO_printf(bio_err," -desx -none\n");


			BIO_printf(bio_err," -%-12s -%-12s -%-12s -%-12s",
				LN_des_ede3,LN_des_ede3_cbc,
				LN_des_ede3_cfb64,LN_des_ede3_ofb64);
			BIO_printf(bio_err," -%-4s (%s)\n",
				"des3", LN_des_ede3_cbc);

#ifndef NO_IDEA
			BIO_printf(bio_err," -%-12s -%-12s -%-12s -%-12s",
				LN_idea_ecb, LN_idea_cbc,
				LN_idea_cfb64, LN_idea_ofb64);
			BIO_printf(bio_err," -%-4s (%s)\n","idea",LN_idea_cbc);
#endif
#ifndef NO_RC2
			BIO_printf(bio_err," -%-12s -%-12s -%-12s -%-12s",
				LN_rc2_ecb, LN_rc2_cbc,
				LN_rc2_cfb64, LN_rc2_ofb64);
			BIO_printf(bio_err," -%-4s (%s)\n","rc2", LN_rc2_cbc);
#endif
#ifndef NO_BF
			BIO_printf(bio_err," -%-12s -%-12s -%-12s -%-12s",
				LN_bf_ecb, LN_bf_cbc,
				LN_bf_cfb64, LN_bf_ofb64);
			BIO_printf(bio_err," -%-4s (%s)\n","bf", LN_bf_cbc);
#endif
#ifndef NO_CAST
			BIO_printf(bio_err," -%-12s -%-12s -%-12s -%-12s",
				LN_cast5_ecb, LN_cast5_cbc,
				LN_cast5_cfb64, LN_cast5_ofb64);
			BIO_printf(bio_err," -%-4s (%s)\n","cast", LN_cast5_cbc);
#endif
#ifndef NO_RC5
			BIO_printf(bio_err," -%-12s -%-12s -%-12s -%-12s",
				LN_rc5_ecb, LN_rc5_cbc,
				LN_rc5_cfb64, LN_rc5_ofb64);
			BIO_printf(bio_err," -%-4s (%s)\n","rc5", LN_rc5_cbc);
#endif
			goto end;
			}
		argc--;
		argv++;
		}

	if (bufsize != NULL)
		{
		unsigned long n;

		for (n=0; *bufsize; bufsize++)
			{
			i= *bufsize;
			if ((i <= '9') && (i >= '0'))
				n=n*10+i-'0';
			else if (i == 'k')
				{
				n*=1024;
				bufsize++;
				break;
				}
			}
		if (*bufsize != '\0')
			{
			BIO_printf(bio_err,"invalid 'bufsize' specified.\n");
			goto end;
			}

		/* It must be large enough for a base64 encoded line */
		if (n < 80) n=80;

		bsize=(int)n;
		if (verbose) BIO_printf(bio_err,"bufsize=%d\n",bsize);
		}

	strbuf=OPENSSL_malloc(SIZE);
	buff=(unsigned char *)OPENSSL_malloc(EVP_ENCODE_LENGTH(bsize));
	if ((buff == NULL) || (strbuf == NULL))
		{
		BIO_printf(bio_err,"OPENSSL_malloc failure %ld\n",(long)EVP_ENCODE_LENGTH(bsize));
		goto end;
		}

	in=BIO_new(BIO_s_file());
	out=BIO_new(BIO_s_file());
	if ((in == NULL) || (out == NULL))
		{
		ERR_print_errors(bio_err);
		goto end;
		}
	if (debug)
		{
		BIO_set_callback(in,BIO_debug_callback);
		BIO_set_callback(out,BIO_debug_callback);
		BIO_set_callback_arg(in,bio_err);
		BIO_set_callback_arg(out,bio_err);
		}

	if (inf == NULL)
		BIO_set_fp(in,stdin,BIO_NOCLOSE);
	else
		{
		if (BIO_read_filename(in,inf) <= 0)
			{
			perror(inf);
			goto end;
			}
		}

	if(!str && passarg) {
		if(!app_passwd(bio_err, passarg, NULL, &pass, NULL)) {
			BIO_printf(bio_err, "Error getting password\n");
			goto end;
		}
		str = pass;
	}

	if ((str == NULL) && (cipher != NULL) && (hkey == NULL))
		{
		for (;;)
			{
			char buf[200];

			sprintf(buf,"enter %s %s password:"******"encryption":"decryption");
			strbuf[0]='\0';
			i=EVP_read_pw_string((char *)strbuf,SIZE,buf,enc);
			if (i == 0)
				{
				if (strbuf[0] == '\0')
					{
					ret=1;
					goto end;
					}
				str=strbuf;
				break;
				}
			if (i < 0)
				{
				BIO_printf(bio_err,"bad password read\n");
				goto end;
				}
			}
		}


	if (outf == NULL)
		{
		BIO_set_fp(out,stdout,BIO_NOCLOSE);
#ifdef VMS
		{
		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
		out = BIO_push(tmpbio, out);
		}
#endif
		}
	else
		{
		if (BIO_write_filename(out,outf) <= 0)
			{
			perror(outf);
			goto end;
			}
		}

	rbio=in;
	wbio=out;

	if (base64)
		{
		if ((b64=BIO_new(BIO_f_base64())) == NULL)
			goto end;
		if (debug)
			{
			BIO_set_callback(b64,BIO_debug_callback);
			BIO_set_callback_arg(b64,bio_err);
			}
		if (olb64)
			BIO_set_flags(b64,BIO_FLAGS_BASE64_NO_NL);
		if (enc)
			wbio=BIO_push(b64,wbio);
		else
			rbio=BIO_push(b64,rbio);
		}

	if (cipher != NULL)
		{
		if (str != NULL)
			{
			/* Salt handling: if encrypting generate a salt and
			 * write to output BIO. If decrypting read salt from
			 * input BIO.
			 */
			unsigned char *sptr;
			if(nosalt) sptr = NULL;
			else {
				if(enc) {
					if(hsalt) {
						if(!set_hex(hsalt,salt,PKCS5_SALT_LEN)) {
							BIO_printf(bio_err,
								"invalid hex salt value\n");
							goto end;
						}
					} else if (RAND_pseudo_bytes(salt, PKCS5_SALT_LEN) < 0)
						goto end;
					/* If -P option then don't bother writing */
					if((printkey != 2)
					   && (BIO_write(wbio,magic,
							 sizeof magic-1) != sizeof magic-1
					       || BIO_write(wbio,
							    (char *)salt,
							    PKCS5_SALT_LEN) != PKCS5_SALT_LEN)) {
						BIO_printf(bio_err,"error writing output file\n");
						goto end;
					}
				} else if(BIO_read(rbio,mbuf,sizeof mbuf) != sizeof mbuf
					  || BIO_read(rbio,
						      (unsigned char *)salt,
				    PKCS5_SALT_LEN) != PKCS5_SALT_LEN) {
					BIO_printf(bio_err,"error reading input file\n");
					goto end;
				} else if(memcmp(mbuf,magic,sizeof magic-1)) {
				    BIO_printf(bio_err,"bad magic number\n");
				    goto end;
				}

				sptr = salt;
			}

			EVP_BytesToKey(cipher,EVP_md5(),sptr,
				(unsigned char *)str,
				strlen(str),1,key,iv);
			/* zero the complete buffer or the string
			 * passed from the command line
			 * bug picked up by
			 * Larry J. Hughes Jr. <*****@*****.**> */
			if (str == strbuf)
				OPENSSL_cleanse(str,SIZE);
			else
				OPENSSL_cleanse(str,strlen(str));
			}
		if ((hiv != NULL) && !set_hex(hiv,iv,8))
			{
			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,24))
			{
			BIO_printf(bio_err,"invalid hex key value\n");
			goto end;
			}

		if ((benc=BIO_new(BIO_f_cipher())) == NULL)
			goto end;
		BIO_set_cipher(benc,cipher,key,iv,enc);
		if (debug)
			{
			BIO_set_callback(benc,BIO_debug_callback);
			BIO_set_callback_arg(benc,bio_err);
			}

		if (printkey)
			{
			if (!nosalt)
				{
				printf("salt=");
				for (i=0; i<PKCS5_SALT_LEN; i++)
					printf("%02X",salt[i]);
				printf("\n");
				}
			if (cipher->key_len > 0)
				{
				printf("key=");
				for (i=0; i<cipher->key_len; i++)
					printf("%02X",key[i]);
				printf("\n");
				}
			if (cipher->iv_len > 0)
				{
				printf("iv =");
				for (i=0; i<cipher->iv_len; i++)
					printf("%02X",iv[i]);
				printf("\n");
				}
			if (printkey == 2)
				{
				ret=0;
				goto end;
				}
			}
		}

	/* Only encrypt/decrypt as we write the file */
	if (benc != NULL)
		wbio=BIO_push(benc,wbio);

	for (;;)
		{
		inl=BIO_read(rbio,(char *)buff,bsize);
		if (inl <= 0) break;
		if (BIO_write(wbio,(char *)buff,inl) != inl)
			{
			BIO_printf(bio_err,"error writing output file\n");
			goto end;
			}
		}
	if (!BIO_flush(wbio))
		{
		BIO_printf(bio_err,"bad decrypt\n");
		goto end;
		}

	ret=0;
	if (verbose)
		{
		BIO_printf(bio_err,"bytes read   :%8ld\n",BIO_number_read(in));
		BIO_printf(bio_err,"bytes written:%8ld\n",BIO_number_written(out));
		}
end:
	ERR_print_errors(bio_err);
	if (strbuf != NULL) OPENSSL_free(strbuf);
	if (buff != NULL) OPENSSL_free(buff);
	if (in != NULL) BIO_free(in);
	if (out != NULL) BIO_free_all(out);
	if (benc != NULL) BIO_free(benc);
	if (b64 != NULL) BIO_free(b64);
	if(pass) OPENSSL_free(pass);
	OPENSSL_EXIT(ret);
	}