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author | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
commit | 3562e78743202e43aec8727005182a2558117eca (patch) | |
tree | 8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /openssl/crypto/x509/x509_cmp.c | |
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Checked in the following released items:
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font-screen-cyrillic-1.0.1.tar.gz
font-xfree86-type1-1.0.1.tar.gz
font-adobe-utopia-type1-1.0.1.tar.gz
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font-bitstream-type1-1.0.0.tar.gz
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font-adobe-utopia-100dpi-1.0.1.tar.gz
font-adobe-100dpi-1.0.0.tar.gz
font-util-1.0.1.tar.gz
font-bitstream-75dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz
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bdftopcf-1.0.1.tar.gz
font-adobe-75dpi-1.0.0.tar.gz
mkfontscale-1.0.6.tar.gz
openssl-0.9.8k.tar.gz
bigreqsproto-1.0.2.tar.gz
xtrans-1.2.2.tar.gz
resourceproto-1.0.2.tar.gz
inputproto-1.4.4.tar.gz
compositeproto-0.4.tar.gz
damageproto-1.1.0.tar.gz
zlib-1.2.3.tar.gz
xkbcomp-1.0.5.tar.gz
freetype-2.3.9.tar.gz
pthreads-w32-2-8-0-release.tar.gz
pixman-0.12.0.tar.gz
kbproto-1.0.3.tar.gz
evieext-1.0.2.tar.gz
fixesproto-4.0.tar.gz
recordproto-1.13.2.tar.gz
randrproto-1.2.2.tar.gz
scrnsaverproto-1.1.0.tar.gz
renderproto-0.9.3.tar.gz
xcmiscproto-1.1.2.tar.gz
fontsproto-2.0.2.tar.gz
xextproto-7.0.3.tar.gz
xproto-7.0.14.tar.gz
libXdmcp-1.0.2.tar.gz
libxkbfile-1.0.5.tar.gz
libfontenc-1.0.4.tar.gz
libXfont-1.3.4.tar.gz
libX11-1.1.5.tar.gz
libXau-1.0.4.tar.gz
libxcb-1.1.tar.gz
xorg-server-1.5.3.tar.gz
Diffstat (limited to 'openssl/crypto/x509/x509_cmp.c')
-rw-r--r-- | openssl/crypto/x509/x509_cmp.c | 432 |
1 files changed, 432 insertions, 0 deletions
diff --git a/openssl/crypto/x509/x509_cmp.c b/openssl/crypto/x509/x509_cmp.c new file mode 100644 index 000000000..2faf92514 --- /dev/null +++ b/openssl/crypto/x509/x509_cmp.c @@ -0,0 +1,432 @@ +/* crypto/x509/x509_cmp.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * 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 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 acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS 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 AUTHOR OR 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. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ + +#include <stdio.h> +#include <ctype.h> +#include "cryptlib.h" +#include <openssl/asn1.h> +#include <openssl/objects.h> +#include <openssl/x509.h> +#include <openssl/x509v3.h> + +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=M_ASN1_INTEGER_cmp(ai->serialNumber,bi->serialNumber); + if (i) return(i); + return(X509_NAME_cmp(ai->issuer,bi->issuer)); + } + +#ifndef OPENSSL_NO_MD5 +unsigned long X509_issuer_and_serial_hash(X509 *a) + { + unsigned long ret=0; + EVP_MD_CTX ctx; + unsigned char md[16]; + char *f; + + 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); + 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(const X509 *a, const X509 *b) + { + return(X509_NAME_cmp(a->cert_info->issuer,b->cert_info->issuer)); + } + +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(const X509_CRL *a, const X509_CRL *b) + { + return(X509_NAME_cmp(a->crl->issuer,b->crl->issuer)); + } + +X509_NAME *X509_get_issuer_name(X509 *a) + { + return(a->cert_info->issuer); + } + +unsigned long X509_issuer_name_hash(X509 *x) + { + return(X509_NAME_hash(x->cert_info->issuer)); + } + +X509_NAME *X509_get_subject_name(X509 *a) + { + return(a->cert_info->subject); + } + +ASN1_INTEGER *X509_get_serialNumber(X509 *a) + { + return(a->cert_info->serialNumber); + } + +unsigned long X509_subject_name_hash(X509 *x) + { + return(X509_NAME_hash(x->cert_info->subject)); + } + +#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; + + 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=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; + if (!asn1_string_memcmp(na->value, nb->value)) + j = 0; + } + 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_X509_NAME_ENTRY_num(a->entries)-1; i>=0; 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 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]; + EVP_MD_CTX md_ctx; + + /* Make sure X509_NAME structure contains valid cached encoding */ + i2d_X509_NAME(x,NULL); + EVP_MD_CTX_init(&md_ctx); + EVP_MD_CTX_set_flags(&md_ctx, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW); + EVP_DigestInit_ex(&md_ctx, EVP_md5(), NULL); + EVP_DigestUpdate(&md_ctx, x->bytes->data, x->bytes->length); + EVP_DigestFinal_ex(&md_ctx,md,NULL); + EVP_MD_CTX_cleanup(&md_ctx); + + ret=( ((unsigned long)md[0] )|((unsigned long)md[1]<<8L)| + ((unsigned long)md[2]<<16L)|((unsigned long)md[3]<<24L) + )&0xffffffffL; + return(ret); + } +#endif + +/* Search a stack of X509 for a match */ +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_X509_num(sk); i++) + { + x509=sk_X509_value(sk,i); + if (X509_issuer_and_serial_cmp(x509,&x) == 0) + return(x509); + } + return(NULL); + } + +X509 *X509_find_by_subject(STACK_OF(X509) *sk, X509_NAME *name) + { + X509 *x509; + int i; + + for (i=0; i<sk_X509_num(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=NULL; + int ok=0; + + xk=X509_get_pubkey(x); + switch (EVP_PKEY_cmp(xk, k)) + { + case 1: + ok=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: +#ifndef OPENSSL_NO_EC + if (k->type == EVP_PKEY_EC) + { + X509err(X509_F_X509_CHECK_PRIVATE_KEY, ERR_R_EC_LIB); + break; + } +#endif +#ifndef OPENSSL_NO_DH + if (k->type == EVP_PKEY_DH) + { + /* No idea */ + X509err(X509_F_X509_CHECK_PRIVATE_KEY,X509_R_CANT_CHECK_DH_KEY); + break; + } +#endif + X509err(X509_F_X509_CHECK_PRIVATE_KEY,X509_R_UNKNOWN_KEY_TYPE); + } + + EVP_PKEY_free(xk); + return(ok); + } |