+/* v3_utl.c */
/*
- * Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
+ * project.
+ */
+/* ====================================================================
+ * Copyright (c) 1999-2003 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/)"
+ *
+ * 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.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
*
- * 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
*/
-
/* X509 v3 extension utilities */
#include <stdio.h>
#include <ctype.h>
-#include "internal/cryptlib.h"
+#include "cryptlib.h"
#include <openssl/conf.h>
#include <openssl/x509v3.h>
-#include "internal/x509_int.h"
#include <openssl/bn.h>
-#include "ext_dat.h"
static char *strip_spaces(char *name);
static int sk_strcmp(const char *const *a, const char *const *b);
static STACK_OF(OPENSSL_STRING) *get_email(X509_NAME *name,
GENERAL_NAMES *gens);
static void str_free(OPENSSL_STRING str);
-static int append_ia5(STACK_OF(OPENSSL_STRING) **sk, const ASN1_IA5STRING *email);
+static int append_ia5(STACK_OF(OPENSSL_STRING) **sk, ASN1_IA5STRING *email);
static int ipv4_from_asc(unsigned char *v4, const char *in);
static int ipv6_from_asc(unsigned char *v6, const char *in);
{
CONF_VALUE *vtmp = NULL;
char *tname = NULL, *tvalue = NULL;
-
- if (name && (tname = OPENSSL_strdup(name)) == NULL)
+ if (name && !(tname = BUF_strdup(name)))
goto err;
- if (value && (tvalue = OPENSSL_strdup(value)) == NULL)
+ if (value && !(tvalue = BUF_strdup(value)))
goto err;
- if ((vtmp = OPENSSL_malloc(sizeof(*vtmp))) == NULL)
+ if (!(vtmp = (CONF_VALUE *)OPENSSL_malloc(sizeof(CONF_VALUE))))
goto err;
- if (*extlist == NULL && (*extlist = sk_CONF_VALUE_new_null()) == NULL)
+ if (!*extlist && !(*extlist = sk_CONF_VALUE_new_null()))
goto err;
vtmp->section = NULL;
vtmp->name = tname;
return 1;
err:
X509V3err(X509V3_F_X509V3_ADD_VALUE, ERR_R_MALLOC_FAILURE);
- OPENSSL_free(vtmp);
- OPENSSL_free(tname);
- OPENSSL_free(tvalue);
+ if (vtmp)
+ OPENSSL_free(vtmp);
+ if (tname)
+ OPENSSL_free(tname);
+ if (tvalue)
+ OPENSSL_free(tvalue);
return 0;
}
{
if (!conf)
return;
- OPENSSL_free(conf->name);
- OPENSSL_free(conf->value);
- OPENSSL_free(conf->section);
+ if (conf->name)
+ OPENSSL_free(conf->name);
+ if (conf->value)
+ OPENSSL_free(conf->value);
+ if (conf->section)
+ OPENSSL_free(conf->section);
OPENSSL_free(conf);
}
return X509V3_add_value(name, "FALSE", extlist);
}
-int X509V3_add_value_bool_nf(const char *name, int asn1_bool,
+int X509V3_add_value_bool_nf(char *name, int asn1_bool,
STACK_OF(CONF_VALUE) **extlist)
{
if (asn1_bool)
return 1;
}
-char *i2s_ASN1_ENUMERATED(X509V3_EXT_METHOD *method, const ASN1_ENUMERATED *a)
+char *i2s_ASN1_ENUMERATED(X509V3_EXT_METHOD *method, ASN1_ENUMERATED *a)
{
BIGNUM *bntmp = NULL;
char *strtmp = NULL;
-
if (!a)
return NULL;
- if ((bntmp = ASN1_ENUMERATED_to_BN(a, NULL)) == NULL
- || (strtmp = BN_bn2dec(bntmp)) == NULL)
+ if (!(bntmp = ASN1_ENUMERATED_to_BN(a, NULL)) ||
+ !(strtmp = BN_bn2dec(bntmp)))
X509V3err(X509V3_F_I2S_ASN1_ENUMERATED, ERR_R_MALLOC_FAILURE);
BN_free(bntmp);
return strtmp;
}
-char *i2s_ASN1_INTEGER(X509V3_EXT_METHOD *method, const ASN1_INTEGER *a)
+char *i2s_ASN1_INTEGER(X509V3_EXT_METHOD *method, ASN1_INTEGER *a)
{
BIGNUM *bntmp = NULL;
char *strtmp = NULL;
-
if (!a)
return NULL;
- if ((bntmp = ASN1_INTEGER_to_BN(a, NULL)) == NULL
- || (strtmp = BN_bn2dec(bntmp)) == NULL)
+ if (!(bntmp = ASN1_INTEGER_to_BN(a, NULL)) ||
+ !(strtmp = BN_bn2dec(bntmp)))
X509V3err(X509V3_F_I2S_ASN1_INTEGER, ERR_R_MALLOC_FAILURE);
BN_free(bntmp);
return strtmp;
}
-ASN1_INTEGER *s2i_ASN1_INTEGER(X509V3_EXT_METHOD *method, const char *value)
+ASN1_INTEGER *s2i_ASN1_INTEGER(X509V3_EXT_METHOD *method, char *value)
{
BIGNUM *bn = NULL;
ASN1_INTEGER *aint;
int isneg, ishex;
int ret;
- if (value == NULL) {
+ if (!value) {
X509V3err(X509V3_F_S2I_ASN1_INTEGER, X509V3_R_INVALID_NULL_VALUE);
- return NULL;
+ return 0;
}
bn = BN_new();
- if (bn == NULL) {
- X509V3err(X509V3_F_S2I_ASN1_INTEGER, ERR_R_MALLOC_FAILURE);
- return NULL;
- }
if (value[0] == '-') {
value++;
isneg = 1;
if (!ret || value[ret]) {
BN_free(bn);
X509V3err(X509V3_F_S2I_ASN1_INTEGER, X509V3_R_BN_DEC2BN_ERROR);
- return NULL;
+ return 0;
}
if (isneg && BN_is_zero(bn))
if (!aint) {
X509V3err(X509V3_F_S2I_ASN1_INTEGER,
X509V3_R_BN_TO_ASN1_INTEGER_ERROR);
- return NULL;
+ return 0;
}
if (isneg)
aint->type |= V_ASN1_NEG;
return aint;
}
-int X509V3_add_value_int(const char *name, const ASN1_INTEGER *aint,
+int X509V3_add_value_int(const char *name, ASN1_INTEGER *aint,
STACK_OF(CONF_VALUE) **extlist)
{
char *strtmp;
int ret;
-
if (!aint)
return 1;
- if ((strtmp = i2s_ASN1_INTEGER(NULL, aint)) == NULL)
+ if (!(strtmp = i2s_ASN1_INTEGER(NULL, aint)))
return 0;
ret = X509V3_add_value(name, strtmp, extlist);
OPENSSL_free(strtmp);
return ret;
}
-int X509V3_get_value_bool(const CONF_VALUE *value, int *asn1_bool)
+int X509V3_get_value_bool(CONF_VALUE *value, int *asn1_bool)
{
- const char *btmp;
-
- if ((btmp = value->value) == NULL)
+ char *btmp;
+ if (!(btmp = value->value))
goto err;
- if (strcmp(btmp, "TRUE") == 0
- || strcmp(btmp, "true") == 0
- || strcmp(btmp, "Y") == 0
- || strcmp(btmp, "y") == 0
- || strcmp(btmp, "YES") == 0
- || strcmp(btmp, "yes") == 0) {
+ if (!strcmp(btmp, "TRUE") || !strcmp(btmp, "true")
+ || !strcmp(btmp, "Y") || !strcmp(btmp, "y")
+ || !strcmp(btmp, "YES") || !strcmp(btmp, "yes")) {
*asn1_bool = 0xff;
return 1;
- }
- if (strcmp(btmp, "FALSE") == 0
- || strcmp(btmp, "false") == 0
- || strcmp(btmp, "N") == 0
- || strcmp(btmp, "n") == 0
- || strcmp(btmp, "NO") == 0
- || strcmp(btmp, "no") == 0) {
+ } else if (!strcmp(btmp, "FALSE") || !strcmp(btmp, "false")
+ || !strcmp(btmp, "N") || !strcmp(btmp, "n")
+ || !strcmp(btmp, "NO") || !strcmp(btmp, "no")) {
*asn1_bool = 0;
return 1;
}
return 0;
}
-int X509V3_get_value_int(const CONF_VALUE *value, ASN1_INTEGER **aint)
+int X509V3_get_value_int(CONF_VALUE *value, ASN1_INTEGER **aint)
{
ASN1_INTEGER *itmp;
-
- if ((itmp = s2i_ASN1_INTEGER(NULL, value->value)) == NULL) {
+ if (!(itmp = s2i_ASN1_INTEGER(NULL, value->value))) {
X509V3_conf_err(value);
return 0;
}
char *linebuf;
int state;
/* We are going to modify the line so copy it first */
- linebuf = OPENSSL_strdup(line);
+ linebuf = BUF_strdup(line);
if (linebuf == NULL) {
X509V3err(X509V3_F_X509V3_PARSE_LIST, ERR_R_MALLOC_FAILURE);
goto err;
*p = 0;
ntmp = strip_spaces(q);
q = p + 1;
+#if 0
+ printf("%s\n", ntmp);
+#endif
if (!ntmp) {
X509V3err(X509V3_F_X509V3_PARSE_LIST,
X509V3_R_INVALID_NULL_NAME);
state = HDR_NAME;
*p = 0;
vtmp = strip_spaces(q);
+#if 0
+ printf("%s\n", ntmp);
+#endif
if (!vtmp) {
X509V3err(X509V3_F_X509V3_PARSE_LIST,
X509V3_R_INVALID_NULL_VALUE);
if (state == HDR_VALUE) {
vtmp = strip_spaces(q);
+#if 0
+ printf("%s=%s\n", ntmp, vtmp);
+#endif
if (!vtmp) {
X509V3err(X509V3_F_X509V3_PARSE_LIST,
X509V3_R_INVALID_NULL_VALUE);
X509V3_add_value(ntmp, vtmp, &values);
} else {
ntmp = strip_spaces(q);
+#if 0
+ printf("%s\n", ntmp);
+#endif
if (!ntmp) {
X509V3err(X509V3_F_X509V3_PARSE_LIST, X509V3_R_INVALID_NULL_NAME);
goto err;
return p;
}
+/* hex string utilities */
+
+/*
+ * Given a buffer of length 'len' return a OPENSSL_malloc'ed string with its
+ * hex representation @@@ (Contents of buffer are always kept in ASCII, also
+ * on EBCDIC machines)
+ */
+
+char *hex_to_string(const unsigned char *buffer, long len)
+{
+ char *tmp, *q;
+ const unsigned char *p;
+ int i;
+ const static char hexdig[] = "0123456789ABCDEF";
+ if (!buffer || !len)
+ return NULL;
+ if (!(tmp = OPENSSL_malloc(len * 3 + 1))) {
+ X509V3err(X509V3_F_HEX_TO_STRING, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+ q = tmp;
+ for (i = 0, p = buffer; i < len; i++, p++) {
+ *q++ = hexdig[(*p >> 4) & 0xf];
+ *q++ = hexdig[*p & 0xf];
+ *q++ = ':';
+ }
+ q[-1] = 0;
+#ifdef CHARSET_EBCDIC
+ ebcdic2ascii(tmp, tmp, q - tmp - 1);
+#endif
+
+ return tmp;
+}
+
+/*
+ * Give a string of hex digits convert to a buffer
+ */
+
+unsigned char *string_to_hex(const char *str, long *len)
+{
+ unsigned char *hexbuf, *q;
+ unsigned char ch, cl, *p;
+ if (!str) {
+ X509V3err(X509V3_F_STRING_TO_HEX, X509V3_R_INVALID_NULL_ARGUMENT);
+ return NULL;
+ }
+ if (!(hexbuf = OPENSSL_malloc(strlen(str) >> 1)))
+ goto err;
+ for (p = (unsigned char *)str, q = hexbuf; *p;) {
+ ch = *p++;
+#ifdef CHARSET_EBCDIC
+ ch = os_toebcdic[ch];
+#endif
+ if (ch == ':')
+ continue;
+ cl = *p++;
+#ifdef CHARSET_EBCDIC
+ cl = os_toebcdic[cl];
+#endif
+ if (!cl) {
+ X509V3err(X509V3_F_STRING_TO_HEX, X509V3_R_ODD_NUMBER_OF_DIGITS);
+ OPENSSL_free(hexbuf);
+ return NULL;
+ }
+ if (isupper(ch))
+ ch = tolower(ch);
+ if (isupper(cl))
+ cl = tolower(cl);
+
+ if ((ch >= '0') && (ch <= '9'))
+ ch -= '0';
+ else if ((ch >= 'a') && (ch <= 'f'))
+ ch -= 'a' - 10;
+ else
+ goto badhex;
+
+ if ((cl >= '0') && (cl <= '9'))
+ cl -= '0';
+ else if ((cl >= 'a') && (cl <= 'f'))
+ cl -= 'a' - 10;
+ else
+ goto badhex;
+
+ *q++ = (ch << 4) | cl;
+ }
+
+ if (len)
+ *len = q - hexbuf;
+
+ return hexbuf;
+
+ err:
+ if (hexbuf)
+ OPENSSL_free(hexbuf);
+ X509V3err(X509V3_F_STRING_TO_HEX, ERR_R_MALLOC_FAILURE);
+ return NULL;
+
+ badhex:
+ OPENSSL_free(hexbuf);
+ X509V3err(X509V3_F_STRING_TO_HEX, X509V3_R_ILLEGAL_HEX_DIGIT);
+ return NULL;
+
+}
/*
* V2I name comparison function: returns zero if 'name' matches cmp or cmp.*
OPENSSL_free(str);
}
-static int append_ia5(STACK_OF(OPENSSL_STRING) **sk, const ASN1_IA5STRING *email)
+static int append_ia5(STACK_OF(OPENSSL_STRING) **sk, ASN1_IA5STRING *email)
{
char *emtmp;
/* First some sanity checks */
return 1;
if (!email->data || !email->length)
return 1;
- if (*sk == NULL)
+ if (!*sk)
*sk = sk_OPENSSL_STRING_new(sk_strcmp);
- if (*sk == NULL)
+ if (!*sk)
return 0;
/* Don't add duplicates */
if (sk_OPENSSL_STRING_find(*sk, (char *)email->data) != -1)
return 1;
- emtmp = OPENSSL_strdup((char *)email->data);
- if (emtmp == NULL || !sk_OPENSSL_STRING_push(*sk, emtmp)) {
- OPENSSL_free(emtmp); /* free on push failure */
+ emtmp = BUF_strdup((char *)email->data);
+ if (!emtmp || !sk_OPENSSL_STRING_push(*sk, emtmp)) {
X509_email_free(*sk);
*sk = NULL;
return 0;
/* Skip pattern prefix to match "wildcard" subject */
static void skip_prefix(const unsigned char **p, size_t *plen,
- size_t subject_len,
+ const unsigned char *subject, size_t subject_len,
unsigned int flags)
{
const unsigned char *pattern = *p;
const unsigned char *subject, size_t subject_len,
unsigned int flags)
{
- skip_prefix(&pattern, &pattern_len, subject_len, flags);
+ skip_prefix(&pattern, &pattern_len, subject, subject_len, flags);
if (pattern_len != subject_len)
return 0;
while (pattern_len) {
const unsigned char *subject, size_t subject_len,
unsigned int flags)
{
- skip_prefix(&pattern, &pattern_len, subject_len, flags);
+ skip_prefix(&pattern, &pattern_len, subject, subject_len, flags);
if (pattern_len != subject_len)
return 0;
return !memcmp(pattern, subject, pattern_len);
* to UTF8.
*/
-static int do_check_string(const ASN1_STRING *a, int cmp_type, equal_fn equal,
+static int do_check_string(ASN1_STRING *a, int cmp_type, equal_fn equal,
unsigned int flags, const char *b, size_t blen,
char **peername)
{
else if (a->length == (int)blen && !memcmp(a->data, b, blen))
rv = 1;
if (rv > 0 && peername)
- *peername = OPENSSL_strndup((char *)a->data, a->length);
+ *peername = BUF_strndup((char *)a->data, a->length);
} else {
int astrlen;
unsigned char *astr;
}
rv = equal(astr, astrlen, (unsigned char *)b, blen, flags);
if (rv > 0 && peername)
- *peername = OPENSSL_strndup((char *)astr, astrlen);
+ *peername = BUF_strndup((char *)astr, astrlen);
OPENSSL_free(astr);
}
return rv;
GENERAL_NAMES_free(gens);
if (rv != 0)
return rv;
- if (san_present && !(flags & X509_CHECK_FLAG_ALWAYS_CHECK_SUBJECT))
+ if (cnid == NID_undef
+ || (san_present
+ && !(flags & X509_CHECK_FLAG_ALWAYS_CHECK_SUBJECT)))
return 0;
}
/* We're done if CN-ID is not pertinent */
- if (cnid == NID_undef || (flags & X509_CHECK_FLAG_NEVER_CHECK_SUBJECT))
+ if (cnid == NID_undef)
return 0;
i = -1;
name = X509_get_subject_name(x);
while ((i = X509_NAME_get_index_by_NID(name, cnid, i)) >= 0) {
- const X509_NAME_ENTRY *ne = X509_NAME_get_entry(name, i);
- const ASN1_STRING *str = X509_NAME_ENTRY_get_data(ne);
-
+ X509_NAME_ENTRY *ne;
+ ASN1_STRING *str;
+ ne = X509_NAME_get_entry(name, i);
+ str = X509_NAME_ENTRY_get_data(ne);
/* Positive on success, negative on error! */
if ((rv = do_check_string(str, -1, equal, flags,
chk, chklen, peername)) != 0)
return NULL;
ret = ASN1_OCTET_STRING_new();
- if (ret == NULL)
+ if (!ret)
return NULL;
if (!ASN1_OCTET_STRING_set(ret, ipout, iplen)) {
ASN1_OCTET_STRING_free(ret);
p = strchr(ipasc, '/');
if (!p)
return NULL;
- iptmp = OPENSSL_strdup(ipasc);
+ iptmp = BUF_strdup(ipasc);
if (!iptmp)
return NULL;
p = iptmp + (p - ipasc);
goto err;
ret = ASN1_OCTET_STRING_new();
- if (ret == NULL)
+ if (!ret)
goto err;
if (!ASN1_OCTET_STRING_set(ret, ipout, iplen1 + iplen2))
goto err;
return ret;
err:
- OPENSSL_free(iptmp);
- ASN1_OCTET_STRING_free(ret);
+ if (iptmp)
+ OPENSSL_free(iptmp);
+ if (ret)
+ ASN1_OCTET_STRING_free(ret);
return NULL;
}
{
unsigned char c;
unsigned int num = 0;
- int x;
-
if (inlen > 4)
return 0;
while (inlen--) {
c = *in++;
num <<= 4;
- x = OPENSSL_hexchar2int(c);
- if (x < 0)
+ if ((c >= '0') && (c <= '9'))
+ num |= c - '0';
+ else if ((c >= 'A') && (c <= 'F'))
+ num |= c - 'A' + 10;
+ else if ((c >= 'a') && (c <= 'f'))
+ num |= c - 'a' + 10;
+ else
return 0;
- num |= (char)x;
}
out[0] = num >> 8;
out[1] = num & 0xff;
unsigned long chtype)
{
CONF_VALUE *v;
- int i, mval, spec_char, plus_char;
+ int i, mval;
char *p, *type;
if (!nm)
return 0;
/*
* Skip past any leading X. X: X, etc to allow for multiple instances
*/
- for (p = type; *p; p++) {
+ for (p = type; *p; p++)
#ifndef CHARSET_EBCDIC
- spec_char = ((*p == ':') || (*p == ',') || (*p == '.'));
+ if ((*p == ':') || (*p == ',') || (*p == '.'))
#else
- spec_char = ((*p == os_toascii[':']) || (*p == os_toascii[','])
- || (*p == os_toascii['.']));
+ if ((*p == os_toascii[':']) || (*p == os_toascii[','])
+ || (*p == os_toascii['.']))
#endif
- if (spec_char) {
+ {
p++;
if (*p)
type = p;
break;
}
- }
#ifndef CHARSET_EBCDIC
- plus_char = (*type == '+');
+ if (*type == '+')
#else
- plus_char = (*type == os_toascii['+']);
+ if (*type == os_toascii['+'])
#endif
- if (plus_char) {
+ {
mval = -1;
type++;
} else
projects / efi-boot-shim.git / blobdiff