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OpenSSL 1.1.1-pre2

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Hakase
2018-04-07 17:29:40 +09:00
parent 82a44d2483
commit bbac8ca55d
17755 changed files with 221242 additions and 98415 deletions
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apps/passwd.c
+468 -127
View File
@@ -1,5 +1,5 @@
/*
* Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.
* Copyright 2000-2018 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
@@ -7,26 +7,20 @@
* https://www.openssl.org/source/license.html
*/
#if defined OPENSSL_NO_MD5 || defined CHARSET_EBCDIC
# define NO_MD5CRYPT_1
#include <string.h>
#include "apps.h"
#include "progs.h"
#include <openssl/bio.h>
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/rand.h>
#ifndef OPENSSL_NO_DES
# include <openssl/des.h>
#endif
#if !defined(OPENSSL_NO_DES) || !defined(NO_MD5CRYPT_1)
# include <string.h>
# include "apps.h"
# include <openssl/bio.h>
# include <openssl/err.h>
# include <openssl/evp.h>
# include <openssl/rand.h>
# ifndef OPENSSL_NO_DES
# include <openssl/des.h>
# endif
# ifndef NO_MD5CRYPT_1
# include <openssl/md5.h>
# endif
#include <openssl/md5.h>
#include <openssl/sha.h>
static unsigned const char cov_2char[64] = {
/* from crypto/des/fcrypt.c */
@@ -40,19 +34,31 @@ static unsigned const char cov_2char[64] = {
0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A
};
static const char ascii_dollar[] = { 0x24, 0x00 };
typedef enum {
passwd_unset = 0,
passwd_crypt,
passwd_md5,
passwd_apr1,
passwd_sha256,
passwd_sha512,
passwd_aixmd5
} passwd_modes;
static int do_passwd(int passed_salt, char **salt_p, char **salt_malloc_p,
char *passwd, BIO *out, int quiet, int table,
int reverse, size_t pw_maxlen, int usecrypt, int use1,
int useapr1);
int reverse, size_t pw_maxlen, passwd_modes mode);
typedef enum OPTION_choice {
OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
OPT_IN,
OPT_NOVERIFY, OPT_QUIET, OPT_TABLE, OPT_REVERSE, OPT_APR1,
OPT_1, OPT_CRYPT, OPT_SALT, OPT_STDIN
OPT_1, OPT_5, OPT_6, OPT_CRYPT, OPT_AIXMD5, OPT_SALT, OPT_STDIN,
OPT_R_ENUM
} OPTION_CHOICE;
OPTIONS passwd_options[] = {
const OPTIONS passwd_options[] = {
{"help", OPT_HELP, '-', "Display this summary"},
{"in", OPT_IN, '<', "Read passwords from file"},
{"noverify", OPT_NOVERIFY, '-',
@@ -62,13 +68,15 @@ OPTIONS passwd_options[] = {
{"reverse", OPT_REVERSE, '-', "Switch table columns"},
{"salt", OPT_SALT, 's', "Use provided salt"},
{"stdin", OPT_STDIN, '-', "Read passwords from stdin"},
# ifndef NO_MD5CRYPT_1
{"6", OPT_6, '-', "SHA512-based password algorithm"},
{"5", OPT_5, '-', "SHA256-based password algorithm"},
{"apr1", OPT_APR1, '-', "MD5-based password algorithm, Apache variant"},
{"1", OPT_1, '-', "MD5-based password algorithm"},
# endif
# ifndef OPENSSL_NO_DES
{"aixmd5", OPT_AIXMD5, '-', "AIX MD5-based password algorithm"},
#ifndef OPENSSL_NO_DES
{"crypt", OPT_CRYPT, '-', "Standard Unix password algorithm (default)"},
# endif
#endif
OPT_R_OPTIONS,
{NULL}
};
@@ -79,12 +87,15 @@ int passwd_main(int argc, char **argv)
char *salt_malloc = NULL, *passwd_malloc = NULL, *prog;
OPTION_CHOICE o;
int in_stdin = 0, pw_source_defined = 0;
# ifndef OPENSSL_NO_UI
#ifndef OPENSSL_NO_UI_CONSOLE
int in_noverify = 0;
# endif
#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;
int ret = 1;
passwd_modes mode = passwd_unset;
size_t passwd_malloc_size = 0;
size_t pw_maxlen = 256; /* arbitrary limit, should be enough for most
* passwords */
prog = opt_init(argc, argv, passwd_options);
while ((o = opt_next()) != OPT_EOF) {
@@ -105,9 +116,9 @@ int passwd_main(int argc, char **argv)
pw_source_defined = 1;
break;
case OPT_NOVERIFY:
# ifndef OPENSSL_NO_UI
#ifndef OPENSSL_NO_UI_CONSOLE
in_noverify = 1;
# endif
#endif
break;
case OPT_QUIET:
quiet = 1;
@@ -119,13 +130,36 @@ int passwd_main(int argc, char **argv)
reverse = 1;
break;
case OPT_1:
use1 = 1;
if (mode != passwd_unset)
goto opthelp;
mode = passwd_md5;
break;
case OPT_5:
if (mode != passwd_unset)
goto opthelp;
mode = passwd_sha256;
break;
case OPT_6:
if (mode != passwd_unset)
goto opthelp;
mode = passwd_sha512;
break;
case OPT_APR1:
useapr1 = 1;
if (mode != passwd_unset)
goto opthelp;
mode = passwd_apr1;
break;
case OPT_AIXMD5:
if (mode != passwd_unset)
goto opthelp;
mode = passwd_aixmd5;
break;
case OPT_CRYPT:
usecrypt = 1;
#ifndef OPENSSL_NO_DES
if (mode != passwd_unset)
goto opthelp;
mode = passwd_crypt;
#endif
break;
case OPT_SALT:
passed_salt = 1;
@@ -137,35 +171,31 @@ int passwd_main(int argc, char **argv)
in_stdin = 1;
pw_source_defined = 1;
break;
case OPT_R_CASES:
if (!opt_rand(o))
goto end;
break;
}
}
argc = opt_num_rest();
argv = opt_rest();
if (*argv) {
if (*argv != NULL) {
if (pw_source_defined)
goto opthelp;
pw_source_defined = 1;
passwds = argv;
}
if (!usecrypt && !use1 && !useapr1) {
if (mode == passwd_unset) {
/* use default */
usecrypt = 1;
}
if (usecrypt + use1 + useapr1 > 1) {
/* conflict */
goto opthelp;
mode = passwd_crypt;
}
# ifdef OPENSSL_NO_DES
if (usecrypt)
#ifdef OPENSSL_NO_DES
if (mode == passwd_crypt)
goto opthelp;
# endif
# ifdef NO_MD5CRYPT_1
if (use1 || useapr1)
goto opthelp;
# endif
#endif
if (infile != NULL && in_stdin) {
BIO_printf(bio_err, "%s: Can't combine -in and -stdin\n", prog);
@@ -182,11 +212,8 @@ int passwd_main(int argc, char **argv)
goto end;
}
if (usecrypt)
if (mode == passwd_crypt)
pw_maxlen = 8;
else if (use1 || useapr1)
pw_maxlen = 256; /* arbitrary limit, should be enough for most
* passwords */
if (passwds == NULL) {
/* no passwords on the command line */
@@ -204,7 +231,7 @@ int passwd_main(int argc, char **argv)
* avoid rot of not-frequently-used code.
*/
if (1) {
# ifndef OPENSSL_NO_UI
#ifndef OPENSSL_NO_UI_CONSOLE
/* build a null-terminated list */
static char *passwds_static[2] = { NULL, NULL };
@@ -217,7 +244,7 @@ int passwd_main(int argc, char **argv)
}
passwds[0] = passwd_malloc;
} else {
# endif
#endif
BIO_printf(bio_err, "password required\n");
goto end;
}
@@ -230,8 +257,7 @@ int passwd_main(int argc, char **argv)
do { /* loop over list of passwords */
passwd = *passwds++;
if (!do_passwd(passed_salt, &salt, &salt_malloc, passwd, bio_out,
quiet, table, reverse, pw_maxlen, usecrypt, use1,
useapr1))
quiet, table, reverse, pw_maxlen, mode))
goto end;
} while (*passwds != NULL);
} else {
@@ -255,7 +281,7 @@ int passwd_main(int argc, char **argv)
if (!do_passwd
(passed_salt, &salt, &salt_malloc, passwd, bio_out, quiet,
table, reverse, pw_maxlen, usecrypt, use1, useapr1))
table, reverse, pw_maxlen, mode))
goto end;
}
done = (r <= 0);
@@ -264,14 +290,15 @@ int passwd_main(int argc, char **argv)
ret = 0;
end:
#if 0
ERR_print_errors(bio_err);
#endif
OPENSSL_free(salt_malloc);
OPENSSL_free(passwd_malloc);
BIO_free(in);
return (ret);
return ret;
}
# ifndef NO_MD5CRYPT_1
/*
* MD5-based password algorithm (should probably be available as a library
* function; then the static buffer would not be acceptable). For magic
@@ -286,6 +313,9 @@ static char *md5crypt(const char *passwd, const char *magic, const char *salt)
/* "$apr1$..salt..$.......md5hash..........\0" */
static char out_buf[6 + 9 + 24 + 2];
unsigned char buf[MD5_DIGEST_LENGTH];
char ascii_magic[5]; /* "apr1" plus '\0' */
char ascii_salt[9]; /* Max 8 chars plus '\0' */
char *ascii_passwd = NULL;
char *salt_out;
int n;
unsigned int i;
@@ -293,41 +323,72 @@ static char *md5crypt(const char *passwd, const char *magic, const char *salt)
size_t passwd_len, salt_len, magic_len;
passwd_len = strlen(passwd);
out_buf[0] = '$';
out_buf[1] = 0;
out_buf[0] = 0;
magic_len = strlen(magic);
OPENSSL_strlcpy(ascii_magic, magic, sizeof(ascii_magic));
#ifdef CHARSET_EBCDIC
if ((magic[0] & 0x80) != 0) /* High bit is 1 in EBCDIC alnums */
ebcdic2ascii(ascii_magic, ascii_magic, magic_len);
#endif
if (magic_len > 4) /* assert it's "1" or "apr1" */
/* The salt gets truncated to 8 chars */
OPENSSL_strlcpy(ascii_salt, salt, sizeof(ascii_salt));
salt_len = strlen(ascii_salt);
#ifdef CHARSET_EBCDIC
ebcdic2ascii(ascii_salt, ascii_salt, salt_len);
#endif
#ifdef CHARSET_EBCDIC
ascii_passwd = OPENSSL_strdup(passwd);
if (ascii_passwd == NULL)
return NULL;
ebcdic2ascii(ascii_passwd, ascii_passwd, passwd_len);
passwd = ascii_passwd;
#endif
OPENSSL_strlcat(out_buf, magic, sizeof(out_buf));
OPENSSL_strlcat(out_buf, "$", sizeof(out_buf));
OPENSSL_strlcat(out_buf, salt, sizeof(out_buf));
if (magic_len > 0) {
OPENSSL_strlcat(out_buf, ascii_dollar, sizeof(out_buf));
if (magic_len > 4) /* assert it's "1" or "apr1" */
goto err;
OPENSSL_strlcat(out_buf, ascii_magic, sizeof(out_buf));
OPENSSL_strlcat(out_buf, ascii_dollar, sizeof(out_buf));
}
OPENSSL_strlcat(out_buf, ascii_salt, sizeof(out_buf));
if (strlen(out_buf) > 6 + 8) /* assert "$apr1$..salt.." */
return NULL;
goto err;
salt_out = out_buf + 2 + magic_len;
salt_len = strlen(salt_out);
salt_out = out_buf;
if (magic_len > 0)
salt_out += 2 + magic_len;
if (salt_len > 8)
return NULL;
goto err;
md = EVP_MD_CTX_new();
if (md == NULL
|| !EVP_DigestInit_ex(md, EVP_md5(), NULL)
|| !EVP_DigestUpdate(md, passwd, passwd_len)
|| !EVP_DigestUpdate(md, "$", 1)
|| !EVP_DigestUpdate(md, magic, magic_len)
|| !EVP_DigestUpdate(md, "$", 1)
|| !EVP_DigestUpdate(md, salt_out, salt_len))
|| !EVP_DigestUpdate(md, passwd, passwd_len))
goto err;
if (magic_len > 0)
if (!EVP_DigestUpdate(md, ascii_dollar, 1)
|| !EVP_DigestUpdate(md, ascii_magic, magic_len)
|| !EVP_DigestUpdate(md, ascii_dollar, 1))
goto err;
if (!EVP_DigestUpdate(md, ascii_salt, salt_len))
goto err;
md2 = EVP_MD_CTX_new();
if (md2 == NULL
|| !EVP_DigestInit_ex(md2, EVP_md5(), NULL)
|| !EVP_DigestUpdate(md2, passwd, passwd_len)
|| !EVP_DigestUpdate(md2, salt_out, salt_len)
|| !EVP_DigestUpdate(md2, ascii_salt, salt_len)
|| !EVP_DigestUpdate(md2, passwd, passwd_len)
|| !EVP_DigestFinal_ex(md2, buf, NULL))
goto err;
@@ -356,7 +417,7 @@ static char *md5crypt(const char *passwd, const char *magic, const char *salt)
(i & 1) ? passwd_len : sizeof(buf)))
goto err;
if (i % 3) {
if (!EVP_DigestUpdate(md2, salt_out, salt_len))
if (!EVP_DigestUpdate(md2, ascii_salt, salt_len))
goto err;
}
if (i % 7) {
@@ -387,15 +448,15 @@ static char *md5crypt(const char *passwd, const char *magic, const char *salt)
buf_perm[dest] = buf[source];
buf_perm[14] = buf[5];
buf_perm[15] = buf[11];
# ifndef PEDANTIC /* Unfortunately, this generates a "no
# ifndef PEDANTIC /* Unfortunately, this generates a "no
* effect" warning */
assert(16 == sizeof(buf_perm));
# endif
# endif
output = salt_out + salt_len;
assert(output == out_buf + strlen(out_buf));
*output++ = '$';
*output++ = ascii_dollar[0];
for (i = 0; i < 15; i += 3) {
*output++ = cov_2char[buf_perm[i + 2] & 0x3f];
@@ -410,21 +471,309 @@ static char *md5crypt(const char *passwd, const char *magic, const char *salt)
*output++ = cov_2char[buf_perm[i] >> 6];
*output = 0;
assert(strlen(out_buf) < sizeof(out_buf));
#ifdef CHARSET_EBCDIC
ascii2ebcdic(out_buf, out_buf, strlen(out_buf));
#endif
}
return out_buf;
err:
OPENSSL_free(ascii_passwd);
EVP_MD_CTX_free(md2);
EVP_MD_CTX_free(md);
return NULL;
}
/*
* SHA based password algorithm, describe by Ulrich Drepper here:
* https://www.akkadia.org/drepper/SHA-crypt.txt
* (note that it's in the public domain)
*/
static char *shacrypt(const char *passwd, const char *magic, const char *salt)
{
/* Prefix for optional rounds specification. */
static const char rounds_prefix[] = "rounds=";
/* Maximum salt string length. */
# define SALT_LEN_MAX 16
/* Default number of rounds if not explicitly specified. */
# define ROUNDS_DEFAULT 5000
/* Minimum number of rounds. */
# define ROUNDS_MIN 1000
/* Maximum number of rounds. */
# define ROUNDS_MAX 999999999
/* "$6$rounds=<N>$......salt......$...shahash(up to 86 chars)...\0" */
static char out_buf[3 + 17 + 17 + 86 + 1];
unsigned char buf[SHA512_DIGEST_LENGTH];
unsigned char temp_buf[SHA512_DIGEST_LENGTH];
size_t buf_size = 0;
char ascii_magic[2];
char ascii_salt[17]; /* Max 16 chars plus '\0' */
char *ascii_passwd = NULL;
size_t n;
EVP_MD_CTX *md = NULL, *md2 = NULL;
const EVP_MD *sha = NULL;
size_t passwd_len, salt_len, magic_len;
unsigned int rounds = 5000; /* Default */
char rounds_custom = 0;
char *p_bytes = NULL;
char *s_bytes = NULL;
char *cp = NULL;
passwd_len = strlen(passwd);
magic_len = strlen(magic);
/* assert it's "5" or "6" */
if (magic_len != 1)
return NULL;
switch (magic[0]) {
case '5':
sha = EVP_sha256();
buf_size = 32;
break;
case '6':
sha = EVP_sha512();
buf_size = 64;
break;
default:
return NULL;
}
if (strncmp(salt, rounds_prefix, sizeof(rounds_prefix) - 1) == 0) {
const char *num = salt + sizeof(rounds_prefix) - 1;
char *endp;
unsigned long int srounds = strtoul (num, &endp, 10);
if (*endp == '$') {
salt = endp + 1;
if (srounds > ROUNDS_MAX)
rounds = ROUNDS_MAX;
else if (srounds < ROUNDS_MIN)
rounds = ROUNDS_MIN;
else
rounds = (unsigned int)srounds;
rounds_custom = 1;
} else {
return NULL;
}
}
OPENSSL_strlcpy(ascii_magic, magic, sizeof(ascii_magic));
#ifdef CHARSET_EBCDIC
if ((magic[0] & 0x80) != 0) /* High bit is 1 in EBCDIC alnums */
ebcdic2ascii(ascii_magic, ascii_magic, magic_len);
#endif
/* The salt gets truncated to 16 chars */
OPENSSL_strlcpy(ascii_salt, salt, sizeof(ascii_salt));
salt_len = strlen(ascii_salt);
#ifdef CHARSET_EBCDIC
ebcdic2ascii(ascii_salt, ascii_salt, salt_len);
#endif
#ifdef CHARSET_EBCDIC
ascii_passwd = OPENSSL_strdup(passwd);
if (ascii_passwd == NULL)
return NULL;
ebcdic2ascii(ascii_passwd, ascii_passwd, passwd_len);
passwd = ascii_passwd;
#endif
out_buf[0] = 0;
OPENSSL_strlcat(out_buf, ascii_dollar, sizeof(out_buf));
OPENSSL_strlcat(out_buf, ascii_magic, sizeof(out_buf));
OPENSSL_strlcat(out_buf, ascii_dollar, sizeof(out_buf));
if (rounds_custom) {
char tmp_buf[80]; /* "rounds=999999999" */
sprintf(tmp_buf, "rounds=%u", rounds);
#ifdef CHARSET_EBCDIC
/* In case we're really on a ASCII based platform and just pretend */
if (tmp_buf[0] != 0x72) /* ASCII 'r' */
ebcdic2ascii(tmp_buf, tmp_buf, strlen(tmp_buf));
#endif
OPENSSL_strlcat(out_buf, tmp_buf, sizeof(out_buf));
OPENSSL_strlcat(out_buf, ascii_dollar, sizeof(out_buf));
}
OPENSSL_strlcat(out_buf, ascii_salt, sizeof(out_buf));
/* assert "$5$rounds=999999999$......salt......" */
if (strlen(out_buf) > 3 + 17 * rounds_custom + salt_len )
goto err;
md = EVP_MD_CTX_new();
if (md == NULL
|| !EVP_DigestInit_ex(md, sha, NULL)
|| !EVP_DigestUpdate(md, passwd, passwd_len)
|| !EVP_DigestUpdate(md, ascii_salt, salt_len))
goto err;
md2 = EVP_MD_CTX_new();
if (md2 == NULL
|| !EVP_DigestInit_ex(md2, sha, NULL)
|| !EVP_DigestUpdate(md2, passwd, passwd_len)
|| !EVP_DigestUpdate(md2, ascii_salt, salt_len)
|| !EVP_DigestUpdate(md2, passwd, passwd_len)
|| !EVP_DigestFinal_ex(md2, buf, NULL))
goto err;
for (n = passwd_len; n > buf_size; n -= buf_size) {
if (!EVP_DigestUpdate(md, buf, buf_size))
goto err;
}
if (!EVP_DigestUpdate(md, buf, n))
goto err;
n = passwd_len;
while (n) {
if (!EVP_DigestUpdate(md,
(n & 1) ? buf : (unsigned const char *)passwd,
(n & 1) ? buf_size : passwd_len))
goto err;
n >>= 1;
}
if (!EVP_DigestFinal_ex(md, buf, NULL))
return NULL;
/* P sequence */
if (!EVP_DigestInit_ex(md2, sha, NULL))
goto err;
for (n = passwd_len; n > 0; n--)
if (!EVP_DigestUpdate(md2, passwd, passwd_len))
goto err;
if (!EVP_DigestFinal_ex(md2, temp_buf, NULL))
return NULL;
if ((p_bytes = OPENSSL_zalloc(passwd_len)) == NULL)
goto err;
for (cp = p_bytes, n = passwd_len; n > buf_size; n -= buf_size, cp += buf_size)
memcpy(cp, temp_buf, buf_size);
memcpy(cp, temp_buf, n);
/* S sequence */
if (!EVP_DigestInit_ex(md2, sha, NULL))
goto err;
for (n = 16 + buf[0]; n > 0; n--)
if (!EVP_DigestUpdate(md2, ascii_salt, salt_len))
goto err;
if (!EVP_DigestFinal_ex(md2, temp_buf, NULL))
return NULL;
if ((s_bytes = OPENSSL_zalloc(salt_len)) == NULL)
goto err;
for (cp = s_bytes, n = salt_len; n > buf_size; n -= buf_size, cp += buf_size)
memcpy(cp, temp_buf, buf_size);
memcpy(cp, temp_buf, n);
for (n = 0; n < rounds; n++) {
if (!EVP_DigestInit_ex(md2, sha, NULL))
goto err;
if (!EVP_DigestUpdate(md2,
(n & 1) ? (unsigned const char *)p_bytes : buf,
(n & 1) ? passwd_len : buf_size))
goto err;
if (n % 3) {
if (!EVP_DigestUpdate(md2, s_bytes, salt_len))
goto err;
}
if (n % 7) {
if (!EVP_DigestUpdate(md2, p_bytes, passwd_len))
goto err;
}
if (!EVP_DigestUpdate(md2,
(n & 1) ? buf : (unsigned const char *)p_bytes,
(n & 1) ? buf_size : passwd_len))
goto err;
if (!EVP_DigestFinal_ex(md2, buf, NULL))
goto err;
}
EVP_MD_CTX_free(md2);
EVP_MD_CTX_free(md);
md2 = NULL;
md = NULL;
OPENSSL_free(p_bytes);
OPENSSL_free(s_bytes);
p_bytes = NULL;
s_bytes = NULL;
cp = out_buf + strlen(out_buf);
*cp++ = ascii_dollar[0];
# define b64_from_24bit(B2, B1, B0, N) \
do { \
unsigned int w = ((B2) << 16) | ((B1) << 8) | (B0); \
int i = (N); \
while (i-- > 0) \
{ \
*cp++ = cov_2char[w & 0x3f]; \
w >>= 6; \
} \
} while (0)
switch (magic[0]) {
case '5':
b64_from_24bit (buf[0], buf[10], buf[20], 4);
b64_from_24bit (buf[21], buf[1], buf[11], 4);
b64_from_24bit (buf[12], buf[22], buf[2], 4);
b64_from_24bit (buf[3], buf[13], buf[23], 4);
b64_from_24bit (buf[24], buf[4], buf[14], 4);
b64_from_24bit (buf[15], buf[25], buf[5], 4);
b64_from_24bit (buf[6], buf[16], buf[26], 4);
b64_from_24bit (buf[27], buf[7], buf[17], 4);
b64_from_24bit (buf[18], buf[28], buf[8], 4);
b64_from_24bit (buf[9], buf[19], buf[29], 4);
b64_from_24bit (0, buf[31], buf[30], 3);
break;
case '6':
b64_from_24bit (buf[0], buf[21], buf[42], 4);
b64_from_24bit (buf[22], buf[43], buf[1], 4);
b64_from_24bit (buf[44], buf[2], buf[23], 4);
b64_from_24bit (buf[3], buf[24], buf[45], 4);
b64_from_24bit (buf[25], buf[46], buf[4], 4);
b64_from_24bit (buf[47], buf[5], buf[26], 4);
b64_from_24bit (buf[6], buf[27], buf[48], 4);
b64_from_24bit (buf[28], buf[49], buf[7], 4);
b64_from_24bit (buf[50], buf[8], buf[29], 4);
b64_from_24bit (buf[9], buf[30], buf[51], 4);
b64_from_24bit (buf[31], buf[52], buf[10], 4);
b64_from_24bit (buf[53], buf[11], buf[32], 4);
b64_from_24bit (buf[12], buf[33], buf[54], 4);
b64_from_24bit (buf[34], buf[55], buf[13], 4);
b64_from_24bit (buf[56], buf[14], buf[35], 4);
b64_from_24bit (buf[15], buf[36], buf[57], 4);
b64_from_24bit (buf[37], buf[58], buf[16], 4);
b64_from_24bit (buf[59], buf[17], buf[38], 4);
b64_from_24bit (buf[18], buf[39], buf[60], 4);
b64_from_24bit (buf[40], buf[61], buf[19], 4);
b64_from_24bit (buf[62], buf[20], buf[41], 4);
b64_from_24bit (0, 0, buf[63], 2);
break;
default:
goto err;
}
*cp = '\0';
#ifdef CHARSET_EBCDIC
ascii2ebcdic(out_buf, out_buf, strlen(out_buf));
#endif
return out_buf;
err:
EVP_MD_CTX_free(md2);
EVP_MD_CTX_free(md);
OPENSSL_free(p_bytes);
OPENSSL_free(s_bytes);
OPENSSL_free(ascii_passwd);
return NULL;
}
# endif
static int do_passwd(int passed_salt, char **salt_p, char **salt_malloc_p,
char *passwd, BIO *out, int quiet, int table,
int reverse, size_t pw_maxlen, int usecrypt, int use1,
int useapr1)
int reverse, size_t pw_maxlen, passwd_modes mode)
{
char *hash = NULL;
@@ -433,36 +782,34 @@ static int do_passwd(int passed_salt, char **salt_p, char **salt_malloc_p,
/* first make sure we have a salt */
if (!passed_salt) {
# ifndef OPENSSL_NO_DES
if (usecrypt) {
if (*salt_malloc_p == NULL)
*salt_p = *salt_malloc_p = app_malloc(3, "salt buffer");
if (RAND_bytes((unsigned char *)*salt_p, 2) <= 0)
goto end;
(*salt_p)[0] = cov_2char[(*salt_p)[0] & 0x3f]; /* 6 bits */
(*salt_p)[1] = cov_2char[(*salt_p)[1] & 0x3f]; /* 6 bits */
(*salt_p)[2] = 0;
# ifdef CHARSET_EBCDIC
ascii2ebcdic(*salt_p, *salt_p, 2); /* des_crypt will convert back
* to ASCII */
# endif
}
# endif /* !OPENSSL_NO_DES */
size_t saltlen = 0;
size_t i;
# ifndef NO_MD5CRYPT_1
if (use1 || useapr1) {
int i;
#ifndef OPENSSL_NO_DES
if (mode == passwd_crypt)
saltlen = 2;
#endif /* !OPENSSL_NO_DES */
if (*salt_malloc_p == NULL)
*salt_p = *salt_malloc_p = app_malloc(9, "salt buffer");
if (RAND_bytes((unsigned char *)*salt_p, 8) <= 0)
goto end;
if (mode == passwd_md5 || mode == passwd_apr1 || mode == passwd_aixmd5)
saltlen = 8;
for (i = 0; i < 8; i++)
(*salt_p)[i] = cov_2char[(*salt_p)[i] & 0x3f]; /* 6 bits */
(*salt_p)[8] = 0;
}
# endif /* !NO_MD5CRYPT_1 */
if (mode == passwd_sha256 || mode == passwd_sha512)
saltlen = 16;
assert(saltlen != 0);
if (*salt_malloc_p == NULL)
*salt_p = *salt_malloc_p = app_malloc(saltlen + 1, "salt buffer");
if (RAND_bytes((unsigned char *)*salt_p, saltlen) <= 0)
goto end;
for (i = 0; i < saltlen; i++)
(*salt_p)[i] = cov_2char[(*salt_p)[i] & 0x3f]; /* 6 bits */
(*salt_p)[i] = 0;
# ifdef CHARSET_EBCDIC
/* The password encryption funtion will convert back to ASCII */
ascii2ebcdic(*salt_p, *salt_p, saltlen);
# endif
}
assert(*salt_p != NULL);
@@ -481,14 +828,16 @@ static int do_passwd(int passed_salt, char **salt_p, char **salt_malloc_p,
assert(strlen(passwd) <= pw_maxlen);
/* now compute password hash */
# ifndef OPENSSL_NO_DES
if (usecrypt)
#ifndef OPENSSL_NO_DES
if (mode == passwd_crypt)
hash = DES_crypt(passwd, *salt_p);
# endif
# ifndef NO_MD5CRYPT_1
if (use1 || useapr1)
hash = md5crypt(passwd, (use1 ? "1" : "apr1"), *salt_p);
# endif
#endif
if (mode == passwd_md5 || mode == passwd_apr1)
hash = md5crypt(passwd, (mode == passwd_md5 ? "1" : "apr1"), *salt_p);
if (mode == passwd_aixmd5)
hash = md5crypt(passwd, "", *salt_p);
if (mode == passwd_sha256 || mode == passwd_sha512)
hash = shacrypt(passwd, (mode == passwd_sha256 ? "5" : "6"), *salt_p);
assert(hash != NULL);
if (table && !reverse)
@@ -502,11 +851,3 @@ static int do_passwd(int passed_salt, char **salt_p, char **salt_malloc_p,
end:
return 0;
}
#else
int passwd_main(int argc, char **argv)
{
BIO_printf(bio_err, "Program not available.\n");
return (1);
}
#endif