-/* ====================================================================
- * Copyright (c) 2000-2015 The OpenSSL Project. All rights reserved.
- *
- * 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 above 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 acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+/*
+ * Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.
*
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED 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 OpenSSL PROJECT OR
- * ITS 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.
- * ====================================================================
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
#if defined OPENSSL_NO_MD5 || defined CHARSET_EBCDIC
#if !defined(OPENSSL_NO_DES) || !defined(NO_MD5CRYPT_1)
-# include <assert.h>
# include <string.h>
# include "apps.h"
{"quiet", OPT_QUIET, '-', "No warnings"},
{"table", OPT_TABLE, '-', "Format output as table"},
{"reverse", OPT_REVERSE, '-', "Switch table columns"},
+ {"salt", OPT_SALT, 's', "Use provided salt"},
+ {"stdin", OPT_STDIN, '-', "Read passwords from stdin"},
# ifndef NO_MD5CRYPT_1
{"apr1", OPT_APR1, '-', "MD5-based password algorithm, Apache variant"},
{"1", OPT_1, '-', "MD5-based password algorithm"},
# ifndef OPENSSL_NO_DES
{"crypt", OPT_CRYPT, '-', "Standard Unix password algorithm (default)"},
# endif
- {"salt", OPT_SALT, 's', "Use provided salt"},
- {"stdin", OPT_STDIN, '-', "Read passwords from stdin"},
{NULL}
};
char *infile = NULL, *salt = NULL, *passwd = NULL, **passwds = NULL;
char *salt_malloc = NULL, *passwd_malloc = NULL, *prog;
OPTION_CHOICE o;
- int in_stdin = 0, in_noverify = 0, pw_source_defined = 0;
+ int in_stdin = 0, pw_source_defined = 0;
+#ifndef OPENSSL_NO_UI
+ int in_noverify = 0;
+#endif
int passed_salt = 0, quiet = 0, table = 0, reverse = 0;
int ret = 1, usecrypt = 0, use1 = 0, useapr1 = 0;
size_t passwd_malloc_size = 0, pw_maxlen = 256;
pw_source_defined = 1;
break;
case OPT_NOVERIFY:
+#ifndef OPENSSL_NO_UI
in_noverify = 1;
+#endif
break;
case OPT_QUIET:
quiet = 1;
if (pw_source_defined)
goto opthelp;
in_stdin = 1;
+ pw_source_defined = 1;
break;
}
}
goto opthelp;
# endif
- if (infile && in_stdin) {
+ if (infile != NULL && in_stdin) {
BIO_printf(bio_err, "%s: Can't combine -in and -stdin\n", prog);
goto end;
}
- in = bio_open_default(infile, "r");
- if (in == NULL)
- goto end;
+ if (infile != NULL || in_stdin) {
+ /*
+ * If in_stdin is true, we know that infile is NULL, and that
+ * bio_open_default() will give us back an alias for stdin.
+ */
+ in = bio_open_default(infile, 'r', FORMAT_TEXT);
+ if (in == NULL)
+ goto end;
+ }
if (usecrypt)
pw_maxlen = 8;
}
if ((in == NULL) && (passwds == NULL)) {
- /* build a null-terminated list */
- static char *passwds_static[2] = { NULL, NULL };
-
- passwds = passwds_static;
- if (in == NULL)
- if (EVP_read_pw_string
- (passwd_malloc, passwd_malloc_size, "Password: ",
- !(passed_salt || in_noverify)) != 0)
- goto end;
- passwds[0] = passwd_malloc;
+ if (1) {
+#ifndef OPENSSL_NO_UI
+ /* build a null-terminated list */
+ static char *passwds_static[2] = { NULL, NULL };
+
+ passwds = passwds_static;
+ if (in == NULL)
+ if (EVP_read_pw_string
+ (passwd_malloc, passwd_malloc_size, "Password: ",
+ !(passed_salt || in_noverify)) != 0)
+ goto end;
+ passwds[0] = passwd_malloc;
+ } else {
+#endif
+ BIO_printf(bio_err, "password required\n");
+ goto end;
+ }
}
+
if (in == NULL) {
assert(passwds != NULL);
assert(*passwds != NULL);
char *salt_out;
int n;
unsigned int i;
- EVP_MD_CTX md, md2;
- size_t passwd_len, salt_len;
+ EVP_MD_CTX *md = NULL, *md2 = NULL;
+ size_t passwd_len, salt_len, magic_len;
passwd_len = strlen(passwd);
out_buf[0] = '$';
out_buf[1] = 0;
- assert(strlen(magic) <= 4); /* "1" or "apr1" */
- strncat(out_buf, magic, 4);
- strncat(out_buf, "$", 1);
- strncat(out_buf, salt, 8);
- assert(strlen(out_buf) <= 6 + 8); /* "$apr1$..salt.." */
- salt_out = out_buf + 2 + strlen(magic);
+ magic_len = strlen(magic);
+
+ if (magic_len > 4) /* assert it's "1" or "apr1" */
+ return NULL;
+
+ OPENSSL_strlcat(out_buf, magic, sizeof out_buf);
+ OPENSSL_strlcat(out_buf, "$", sizeof out_buf);
+ OPENSSL_strlcat(out_buf, salt, sizeof out_buf);
+
+ if (strlen(out_buf) > 6 + 8) /* assert "$apr1$..salt.." */
+ return NULL;
+
+ salt_out = out_buf + 2 + magic_len;
salt_len = strlen(salt_out);
- assert(salt_len <= 8);
-
- EVP_MD_CTX_init(&md);
- EVP_DigestInit_ex(&md, EVP_md5(), NULL);
- EVP_DigestUpdate(&md, passwd, passwd_len);
- EVP_DigestUpdate(&md, "$", 1);
- EVP_DigestUpdate(&md, magic, strlen(magic));
- EVP_DigestUpdate(&md, "$", 1);
- EVP_DigestUpdate(&md, salt_out, salt_len);
-
- EVP_MD_CTX_init(&md2);
- EVP_DigestInit_ex(&md2, EVP_md5(), NULL);
- EVP_DigestUpdate(&md2, passwd, passwd_len);
- EVP_DigestUpdate(&md2, salt_out, salt_len);
- EVP_DigestUpdate(&md2, passwd, passwd_len);
- EVP_DigestFinal_ex(&md2, buf, NULL);
-
- for (i = passwd_len; i > sizeof buf; i -= sizeof buf)
- EVP_DigestUpdate(&md, buf, sizeof buf);
- EVP_DigestUpdate(&md, buf, i);
+
+ if (salt_len > 8)
+ return NULL;
+
+ md = EVP_MD_CTX_new();
+ if (md == NULL
+ || !EVP_DigestInit_ex(md, EVP_md5(), NULL)
+ || !EVP_DigestUpdate(md, passwd, passwd_len)
+ || !EVP_DigestUpdate(md, "$", 1)
+ || !EVP_DigestUpdate(md, magic, magic_len)
+ || !EVP_DigestUpdate(md, "$", 1)
+ || !EVP_DigestUpdate(md, salt_out, salt_len))
+
+ md2 = EVP_MD_CTX_new();
+ if (md2 == NULL
+ || !EVP_DigestInit_ex(md2, EVP_md5(), NULL)
+ || !EVP_DigestUpdate(md2, passwd, passwd_len)
+ || !EVP_DigestUpdate(md2, salt_out, salt_len)
+ || !EVP_DigestUpdate(md2, passwd, passwd_len)
+ || !EVP_DigestFinal_ex(md2, buf, NULL))
+ goto err;
+
+ for (i = passwd_len; i > sizeof buf; i -= sizeof buf) {
+ if (!EVP_DigestUpdate(md, buf, sizeof buf))
+ goto err;
+ }
+ if (!EVP_DigestUpdate(md, buf, i))
+ goto err;
n = passwd_len;
while (n) {
- EVP_DigestUpdate(&md, (n & 1) ? "\0" : passwd, 1);
+ if (!EVP_DigestUpdate(md, (n & 1) ? "\0" : passwd, 1))
+ goto err;
n >>= 1;
}
- EVP_DigestFinal_ex(&md, buf, NULL);
+ if (!EVP_DigestFinal_ex(md, buf, NULL))
+ return NULL;
for (i = 0; i < 1000; i++) {
- EVP_DigestInit_ex(&md2, EVP_md5(), NULL);
- EVP_DigestUpdate(&md2, (i & 1) ? (unsigned const char *)passwd : buf,
- (i & 1) ? passwd_len : sizeof buf);
- if (i % 3)
- EVP_DigestUpdate(&md2, salt_out, salt_len);
- if (i % 7)
- EVP_DigestUpdate(&md2, passwd, passwd_len);
- EVP_DigestUpdate(&md2, (i & 1) ? buf : (unsigned const char *)passwd,
- (i & 1) ? sizeof buf : passwd_len);
- EVP_DigestFinal_ex(&md2, buf, NULL);
+ if (!EVP_DigestInit_ex(md2, EVP_md5(), NULL))
+ goto err;
+ if (!EVP_DigestUpdate(md2,
+ (i & 1) ? (unsigned const char *)passwd : buf,
+ (i & 1) ? passwd_len : sizeof buf))
+ goto err;
+ if (i % 3) {
+ if (!EVP_DigestUpdate(md2, salt_out, salt_len))
+ goto err;
+ }
+ if (i % 7) {
+ if (!EVP_DigestUpdate(md2, passwd, passwd_len))
+ goto err;
+ }
+ if (!EVP_DigestUpdate(md2,
+ (i & 1) ? buf : (unsigned const char *)passwd,
+ (i & 1) ? sizeof buf : passwd_len))
+ goto err;
+ if (!EVP_DigestFinal_ex(md2, buf, NULL))
+ goto err;
}
- EVP_MD_CTX_cleanup(&md2);
+ EVP_MD_CTX_free(md2);
+ EVP_MD_CTX_free(md);
+ md2 = NULL;
+ md = NULL;
{
/* transform buf into output string */
-
unsigned char buf_perm[sizeof buf];
int dest, source;
char *output;
*output = 0;
assert(strlen(out_buf) < sizeof(out_buf));
}
- EVP_MD_CTX_cleanup(&md);
return out_buf;
+
+ err:
+ EVP_MD_CTX_free(md2);
+ EVP_MD_CTX_free(md);
+ return NULL;
}
# endif
int passwd_main(int argc, char **argv)
{
- fputs("Program not available.\n", stderr)
- return (1);
+ BIO_printf(bio_err, "Program not available.\n");
+ return (1);
}
#endif