/* crypto/x509/x509_cmp.c */
-/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
*/
#include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
+#include <ctype.h>
#include "cryptlib.h"
-#include "asn1.h"
-#include "objects.h"
-#include "x509.h"
+#include <openssl/asn1.h>
+#include <openssl/objects.h>
+#include <openssl/x509.h>
+#include <openssl/x509v3.h>
-int X509_issuer_and_serial_cmp(a,b)
-X509 *a;
-X509 *b;
+int X509_issuer_and_serial_cmp(const X509 *a, const X509 *b)
{
int i;
X509_CINF *ai,*bi;
ai=a->cert_info;
bi=b->cert_info;
- i=ASN1_INTEGER_cmp(ai->serialNumber,bi->serialNumber);
+ i=M_ASN1_INTEGER_cmp(ai->serialNumber,bi->serialNumber);
if (i) return(i);
return(X509_NAME_cmp(ai->issuer,bi->issuer));
}
-#ifndef NO_MD5
-unsigned long X509_issuer_and_serial_hash(a)
-X509 *a;
+#ifndef OPENSSL_NO_MD5
+unsigned long X509_issuer_and_serial_hash(X509 *a)
{
unsigned long ret=0;
- MD5_CTX ctx;
+ EVP_MD_CTX ctx;
unsigned char md[16];
- char str[256];
+ char *f;
- X509_NAME_oneline(a->cert_info->issuer,str,256);
- ret=strlen(str);
- MD5_Init(&ctx);
- MD5_Update(&ctx,(unsigned char *)str,ret);
- MD5_Update(&ctx,(unsigned char *)a->cert_info->serialNumber->data,
+ EVP_MD_CTX_init(&ctx);
+ f=X509_NAME_oneline(a->cert_info->issuer,NULL,0);
+ ret=strlen(f);
+ EVP_DigestInit_ex(&ctx, EVP_md5(), NULL);
+ EVP_DigestUpdate(&ctx,(unsigned char *)f,ret);
+ OPENSSL_free(f);
+ EVP_DigestUpdate(&ctx,(unsigned char *)a->cert_info->serialNumber->data,
(unsigned long)a->cert_info->serialNumber->length);
- MD5_Final(&(md[0]),&ctx);
+ EVP_DigestFinal_ex(&ctx,&(md[0]),NULL);
ret=( ((unsigned long)md[0] )|((unsigned long)md[1]<<8L)|
((unsigned long)md[2]<<16L)|((unsigned long)md[3]<<24L)
)&0xffffffffL;
+ EVP_MD_CTX_cleanup(&ctx);
return(ret);
}
#endif
-int X509_issuer_name_cmp(a, b)
-X509 *a;
-X509 *b;
+int X509_issuer_name_cmp(const X509 *a, const X509 *b)
{
return(X509_NAME_cmp(a->cert_info->issuer,b->cert_info->issuer));
}
-int X509_subject_name_cmp(a, b)
-X509 *a;
-X509 *b;
+int X509_subject_name_cmp(const X509 *a, const X509 *b)
{
return(X509_NAME_cmp(a->cert_info->subject,b->cert_info->subject));
}
-int X509_CRL_cmp(a, b)
-X509_CRL *a;
-X509_CRL *b;
+int X509_CRL_cmp(const X509_CRL *a, const X509_CRL *b)
{
return(X509_NAME_cmp(a->crl->issuer,b->crl->issuer));
}
-X509_NAME *X509_get_issuer_name(a)
-X509 *a;
+X509_NAME *X509_get_issuer_name(X509 *a)
{
return(a->cert_info->issuer);
}
-unsigned long X509_issuer_name_hash(x)
-X509 *x;
+unsigned long X509_issuer_name_hash(X509 *x)
{
return(X509_NAME_hash(x->cert_info->issuer));
}
-X509_NAME *X509_get_subject_name(a)
-X509 *a;
+X509_NAME *X509_get_subject_name(X509 *a)
{
return(a->cert_info->subject);
}
-ASN1_INTEGER *X509_get_serialNumber(a)
-X509 *a;
+ASN1_INTEGER *X509_get_serialNumber(X509 *a)
{
return(a->cert_info->serialNumber);
}
-unsigned long X509_subject_name_hash(x)
-X509 *x;
+unsigned long X509_subject_name_hash(X509 *x)
{
return(X509_NAME_hash(x->cert_info->subject));
}
-int X509_NAME_cmp(a, b)
-X509_NAME *a;
-X509_NAME *b;
+#ifndef OPENSSL_NO_SHA
+/* Compare two certificates: they must be identical for
+ * this to work. NB: Although "cmp" operations are generally
+ * prototyped to take "const" arguments (eg. for use in
+ * STACKs), the way X509 handling is - these operations may
+ * involve ensuring the hashes are up-to-date and ensuring
+ * certain cert information is cached. So this is the point
+ * where the "depth-first" constification tree has to halt
+ * with an evil cast.
+ */
+int X509_cmp(const X509 *a, const X509 *b)
+{
+ /* ensure hash is valid */
+ X509_check_purpose((X509 *)a, -1, 0);
+ X509_check_purpose((X509 *)b, -1, 0);
+
+ return memcmp(a->sha1_hash, b->sha1_hash, SHA_DIGEST_LENGTH);
+}
+#endif
+
+
+/* Case insensitive string comparision */
+static int nocase_cmp(const ASN1_STRING *a, const ASN1_STRING *b)
+{
+ int i;
+
+ if (a->length != b->length)
+ return (a->length - b->length);
+
+ for (i=0; i<a->length; i++)
+ {
+ int ca, cb;
+
+ ca = tolower(a->data[i]);
+ cb = tolower(b->data[i]);
+
+ if (ca != cb)
+ return(ca-cb);
+ }
+ return 0;
+}
+
+/* Case insensitive string comparision with space normalization
+ * Space normalization - ignore leading, trailing spaces,
+ * multiple spaces between characters are replaced by single space
+ */
+static int nocase_spacenorm_cmp(const ASN1_STRING *a, const ASN1_STRING *b)
+{
+ unsigned char *pa = NULL, *pb = NULL;
+ int la, lb;
+
+ la = a->length;
+ lb = b->length;
+ pa = a->data;
+ pb = b->data;
+
+ /* skip leading spaces */
+ while (la > 0 && isspace(*pa))
+ {
+ la--;
+ pa++;
+ }
+ while (lb > 0 && isspace(*pb))
+ {
+ lb--;
+ pb++;
+ }
+
+ /* skip trailing spaces */
+ while (la > 0 && isspace(pa[la-1]))
+ la--;
+ while (lb > 0 && isspace(pb[lb-1]))
+ lb--;
+
+ /* compare strings with space normalization */
+ while (la > 0 && lb > 0)
+ {
+ int ca, cb;
+
+ /* compare character */
+ ca = tolower(*pa);
+ cb = tolower(*pb);
+ if (ca != cb)
+ return (ca - cb);
+
+ pa++; pb++;
+ la--; lb--;
+
+ if (la <= 0 || lb <= 0)
+ break;
+
+ /* is white space next character ? */
+ if (isspace(*pa) && isspace(*pb))
+ {
+ /* skip remaining white spaces */
+ while (la > 0 && isspace(*pa))
+ {
+ la--;
+ pa++;
+ }
+ while (lb > 0 && isspace(*pb))
+ {
+ lb--;
+ pb++;
+ }
+ }
+ }
+ if (la > 0 || lb > 0)
+ return la - lb;
+
+ return 0;
+}
+
+static int asn1_string_memcmp(ASN1_STRING *a, ASN1_STRING *b)
+ {
+ int j;
+ j = a->length - b->length;
+ if (j)
+ return j;
+ return memcmp(a->data, b->data, a->length);
+ }
+
+#define STR_TYPE_CMP (B_ASN1_PRINTABLESTRING|B_ASN1_T61STRING|B_ASN1_UTF8STRING)
+
+int X509_NAME_cmp(const X509_NAME *a, const X509_NAME *b)
{
int i,j;
X509_NAME_ENTRY *na,*nb;
- if (sk_num(a->entries) != sk_num(b->entries))
- return(sk_num(a->entries)-sk_num(b->entries));
- for (i=sk_num(a->entries)-1; i>=0; i--)
+ unsigned long nabit, nbbit;
+
+ j = sk_X509_NAME_ENTRY_num(a->entries)
+ - sk_X509_NAME_ENTRY_num(b->entries);
+ if (j)
+ return j;
+ for (i=sk_X509_NAME_ENTRY_num(a->entries)-1; i>=0; i--)
{
- na=(X509_NAME_ENTRY *)sk_value(a->entries,i);
- nb=(X509_NAME_ENTRY *)sk_value(b->entries,i);
- j=na->value->length-nb->value->length;
- if (j) return(j);
- j=memcmp(na->value->data,nb->value->data,
- na->value->length);
+ na=sk_X509_NAME_ENTRY_value(a->entries,i);
+ nb=sk_X509_NAME_ENTRY_value(b->entries,i);
+ j=na->value->type-nb->value->type;
+ if (j)
+ {
+ nabit = ASN1_tag2bit(na->value->type);
+ nbbit = ASN1_tag2bit(nb->value->type);
+ if (!(nabit & STR_TYPE_CMP) ||
+ !(nbbit & STR_TYPE_CMP))
+ return j;
+ j = asn1_string_memcmp(na->value, nb->value);
+ }
+ else if (na->value->type == V_ASN1_PRINTABLESTRING)
+ j=nocase_spacenorm_cmp(na->value, nb->value);
+ else if (na->value->type == V_ASN1_IA5STRING
+ && OBJ_obj2nid(na->object) == NID_pkcs9_emailAddress)
+ j=nocase_cmp(na->value, nb->value);
+ else
+ j = asn1_string_memcmp(na->value, nb->value);
if (j) return(j);
j=na->set-nb->set;
if (j) return(j);
/* We will check the object types after checking the values
* since the values will more often be different than the object
* types. */
- for (i=sk_num(a->entries)-1; i>=0; i--)
+ for (i=sk_X509_NAME_ENTRY_num(a->entries)-1; i>=0; i--)
{
- na=(X509_NAME_ENTRY *)sk_value(a->entries,i);
- nb=(X509_NAME_ENTRY *)sk_value(b->entries,i);
+ na=sk_X509_NAME_ENTRY_value(a->entries,i);
+ nb=sk_X509_NAME_ENTRY_value(b->entries,i);
j=OBJ_cmp(na->object,nb->object);
if (j) return(j);
}
return(0);
}
-#ifndef NO_MD5
-/* I should do a DER encoding of the name and then hash it. */
-unsigned long X509_NAME_hash(x)
-X509_NAME *x;
+#ifndef OPENSSL_NO_MD5
+/* I now DER encode the name and hash it. Since I cache the DER encoding,
+ * this is reasonably efficient. */
+unsigned long X509_NAME_hash(X509_NAME *x)
{
unsigned long ret=0;
unsigned char md[16];
- char str[256];
- X509_NAME_oneline(x,str,256);
- ret=strlen(str);
- MD5((unsigned char *)str,ret,&(md[0]));
+ /* Make sure X509_NAME structure contains valid cached encoding */
+ i2d_X509_NAME(x,NULL);
+ EVP_Digest(x->bytes->data, x->bytes->length, md, NULL, EVP_md5(), NULL);
+
ret=( ((unsigned long)md[0] )|((unsigned long)md[1]<<8L)|
((unsigned long)md[2]<<16L)|((unsigned long)md[3]<<24L)
)&0xffffffffL;
#endif
/* Search a stack of X509 for a match */
-X509 *X509_find_by_issuer_and_serial(sk,name,serial)
-STACK *sk;
-X509_NAME *name;
-ASN1_INTEGER *serial;
+X509 *X509_find_by_issuer_and_serial(STACK_OF(X509) *sk, X509_NAME *name,
+ ASN1_INTEGER *serial)
{
int i;
X509_CINF cinf;
X509 x,*x509=NULL;
+ if(!sk) return NULL;
+
x.cert_info= &cinf;
cinf.serialNumber=serial;
cinf.issuer=name;
- for (i=0; i<sk_num(sk); i++)
+ for (i=0; i<sk_X509_num(sk); i++)
{
- x509=(X509 *)sk_value(sk,i);
+ x509=sk_X509_value(sk,i);
if (X509_issuer_and_serial_cmp(x509,&x) == 0)
return(x509);
}
- return(x509);
+ return(NULL);
}
-X509 *X509_find_by_subject(sk,name)
-STACK *sk;
-X509_NAME *name;
+X509 *X509_find_by_subject(STACK_OF(X509) *sk, X509_NAME *name)
{
X509 *x509;
int i;
- for (i=0; i<sk_num(sk); i++)
+ for (i=0; i<sk_X509_num(sk); i++)
{
- x509=(X509 *)sk_value(sk,i);
+ x509=sk_X509_value(sk,i);
if (X509_NAME_cmp(X509_get_subject_name(x509),name) == 0)
return(x509);
}
return(NULL);
}
+EVP_PKEY *X509_get_pubkey(X509 *x)
+ {
+ if ((x == NULL) || (x->cert_info == NULL))
+ return(NULL);
+ return(X509_PUBKEY_get(x->cert_info->key));
+ }
+
+ASN1_BIT_STRING *X509_get0_pubkey_bitstr(const X509 *x)
+ {
+ if(!x) return NULL;
+ return x->cert_info->key->public_key;
+ }
+
+int X509_check_private_key(X509 *x, EVP_PKEY *k)
+ {
+ EVP_PKEY *xk;
+ int ret;
+
+ xk=X509_get_pubkey(x);
+
+ if (xk)
+ ret = EVP_PKEY_cmp(xk, k);
+ else
+ ret = -2;
+
+ switch (ret)
+ {
+ case 1:
+ break;
+ case 0:
+ X509err(X509_F_X509_CHECK_PRIVATE_KEY,X509_R_KEY_VALUES_MISMATCH);
+ break;
+ case -1:
+ X509err(X509_F_X509_CHECK_PRIVATE_KEY,X509_R_KEY_TYPE_MISMATCH);
+ break;
+ case -2:
+ X509err(X509_F_X509_CHECK_PRIVATE_KEY,X509_R_UNKNOWN_KEY_TYPE);
+ }
+ if (xk)
+ EVP_PKEY_free(xk);
+ if (ret > 0)
+ return 1;
+ return 0;
+ }