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This commit is contained in:
Zhi Guan
2015-08-15 15:02:15 +08:00
parent 06df2fab54
commit 3bdc0ea895
2536 changed files with 417052 additions and 271997 deletions
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652
crypto/x509v3/v3_ncons.c
View File

@@ -1,5 +1,6 @@
/* v3_ncons.c */
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
/*
* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project.
*/
/* ====================================================================
@@ -10,7 +11,7 @@
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 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
@@ -56,7 +57,6 @@
*
*/
#include <stdio.h>
#include "cryptlib.h"
#include <openssl/asn1t.h>
@@ -64,12 +64,13 @@
#include <openssl/x509v3.h>
static void *v2i_NAME_CONSTRAINTS(const X509V3_EXT_METHOD *method,
X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
static int i2r_NAME_CONSTRAINTS(const X509V3_EXT_METHOD *method,
void *a, BIO *bp, int ind);
X509V3_CTX *ctx,
STACK_OF(CONF_VALUE) *nval);
static int i2r_NAME_CONSTRAINTS(const X509V3_EXT_METHOD *method, void *a,
BIO *bp, int ind);
static int do_i2r_name_constraints(const X509V3_EXT_METHOD *method,
STACK_OF(GENERAL_SUBTREE) *trees,
BIO *bp, int ind, char *name);
STACK_OF(GENERAL_SUBTREE) *trees, BIO *bp,
int ind, char *name);
static int print_nc_ipadd(BIO *bp, ASN1_OCTET_STRING *ip);
static int nc_match(GENERAL_NAME *gen, NAME_CONSTRAINTS *nc);
@@ -80,151 +81,136 @@ static int nc_email(ASN1_IA5STRING *sub, ASN1_IA5STRING *eml);
static int nc_uri(ASN1_IA5STRING *uri, ASN1_IA5STRING *base);
const X509V3_EXT_METHOD v3_name_constraints = {
NID_name_constraints, 0,
ASN1_ITEM_ref(NAME_CONSTRAINTS),
0,0,0,0,
0,0,
0, v2i_NAME_CONSTRAINTS,
i2r_NAME_CONSTRAINTS,0,
NULL
NID_name_constraints, 0,
ASN1_ITEM_ref(NAME_CONSTRAINTS),
0, 0, 0, 0,
0, 0,
0, v2i_NAME_CONSTRAINTS,
i2r_NAME_CONSTRAINTS, 0,
NULL
};
ASN1_SEQUENCE(GENERAL_SUBTREE) = {
ASN1_SIMPLE(GENERAL_SUBTREE, base, GENERAL_NAME),
ASN1_IMP_OPT(GENERAL_SUBTREE, minimum, ASN1_INTEGER, 0),
ASN1_IMP_OPT(GENERAL_SUBTREE, maximum, ASN1_INTEGER, 1)
ASN1_SIMPLE(GENERAL_SUBTREE, base, GENERAL_NAME),
ASN1_IMP_OPT(GENERAL_SUBTREE, minimum, ASN1_INTEGER, 0),
ASN1_IMP_OPT(GENERAL_SUBTREE, maximum, ASN1_INTEGER, 1)
} ASN1_SEQUENCE_END(GENERAL_SUBTREE)
ASN1_SEQUENCE(NAME_CONSTRAINTS) = {
ASN1_IMP_SEQUENCE_OF_OPT(NAME_CONSTRAINTS, permittedSubtrees,
GENERAL_SUBTREE, 0),
ASN1_IMP_SEQUENCE_OF_OPT(NAME_CONSTRAINTS, excludedSubtrees,
GENERAL_SUBTREE, 1),
ASN1_IMP_SEQUENCE_OF_OPT(NAME_CONSTRAINTS, permittedSubtrees,
GENERAL_SUBTREE, 0),
ASN1_IMP_SEQUENCE_OF_OPT(NAME_CONSTRAINTS, excludedSubtrees,
GENERAL_SUBTREE, 1),
} ASN1_SEQUENCE_END(NAME_CONSTRAINTS)
IMPLEMENT_ASN1_ALLOC_FUNCTIONS(GENERAL_SUBTREE)
IMPLEMENT_ASN1_ALLOC_FUNCTIONS(NAME_CONSTRAINTS)
static void *v2i_NAME_CONSTRAINTS(const X509V3_EXT_METHOD *method,
X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
{
int i;
CONF_VALUE tval, *val;
STACK_OF(GENERAL_SUBTREE) **ptree = NULL;
NAME_CONSTRAINTS *ncons = NULL;
GENERAL_SUBTREE *sub = NULL;
ncons = NAME_CONSTRAINTS_new();
if (!ncons)
goto memerr;
for(i = 0; i < sk_CONF_VALUE_num(nval); i++)
{
val = sk_CONF_VALUE_value(nval, i);
if (!strncmp(val->name, "permitted", 9) && val->name[9])
{
ptree = &ncons->permittedSubtrees;
tval.name = val->name + 10;
}
else if (!strncmp(val->name, "excluded", 8) && val->name[8])
{
ptree = &ncons->excludedSubtrees;
tval.name = val->name + 9;
}
else
{
X509V3err(X509V3_F_V2I_NAME_CONSTRAINTS, X509V3_R_INVALID_SYNTAX);
goto err;
}
tval.value = val->value;
sub = GENERAL_SUBTREE_new();
if (!v2i_GENERAL_NAME_ex(sub->base, method, ctx, &tval, 1))
goto err;
if (!*ptree)
*ptree = sk_GENERAL_SUBTREE_new_null();
if (!*ptree || !sk_GENERAL_SUBTREE_push(*ptree, sub))
goto memerr;
sub = NULL;
}
X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
{
int i;
CONF_VALUE tval, *val;
STACK_OF(GENERAL_SUBTREE) **ptree = NULL;
NAME_CONSTRAINTS *ncons = NULL;
GENERAL_SUBTREE *sub = NULL;
ncons = NAME_CONSTRAINTS_new();
if (!ncons)
goto memerr;
for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
val = sk_CONF_VALUE_value(nval, i);
if (!strncmp(val->name, "permitted", 9) && val->name[9]) {
ptree = &ncons->permittedSubtrees;
tval.name = val->name + 10;
} else if (!strncmp(val->name, "excluded", 8) && val->name[8]) {
ptree = &ncons->excludedSubtrees;
tval.name = val->name + 9;
} else {
X509V3err(X509V3_F_V2I_NAME_CONSTRAINTS, X509V3_R_INVALID_SYNTAX);
goto err;
}
tval.value = val->value;
sub = GENERAL_SUBTREE_new();
if (!v2i_GENERAL_NAME_ex(sub->base, method, ctx, &tval, 1))
goto err;
if (!*ptree)
*ptree = sk_GENERAL_SUBTREE_new_null();
if (!*ptree || !sk_GENERAL_SUBTREE_push(*ptree, sub))
goto memerr;
sub = NULL;
}
return ncons;
return ncons;
memerr:
X509V3err(X509V3_F_V2I_NAME_CONSTRAINTS, ERR_R_MALLOC_FAILURE);
err:
if (ncons)
NAME_CONSTRAINTS_free(ncons);
if (sub)
GENERAL_SUBTREE_free(sub);
memerr:
X509V3err(X509V3_F_V2I_NAME_CONSTRAINTS, ERR_R_MALLOC_FAILURE);
err:
if (ncons)
NAME_CONSTRAINTS_free(ncons);
if (sub)
GENERAL_SUBTREE_free(sub);
return NULL;
}
return NULL;
}
static int i2r_NAME_CONSTRAINTS(const X509V3_EXT_METHOD *method, void *a,
BIO *bp, int ind)
{
NAME_CONSTRAINTS *ncons = a;
do_i2r_name_constraints(method, ncons->permittedSubtrees,
bp, ind, "Permitted");
do_i2r_name_constraints(method, ncons->excludedSubtrees,
bp, ind, "Excluded");
return 1;
}
BIO *bp, int ind)
{
NAME_CONSTRAINTS *ncons = a;
do_i2r_name_constraints(method, ncons->permittedSubtrees,
bp, ind, "Permitted");
do_i2r_name_constraints(method, ncons->excludedSubtrees,
bp, ind, "Excluded");
return 1;
}
static int do_i2r_name_constraints(const X509V3_EXT_METHOD *method,
STACK_OF(GENERAL_SUBTREE) *trees,
BIO *bp, int ind, char *name)
{
GENERAL_SUBTREE *tree;
int i;
if (sk_GENERAL_SUBTREE_num(trees) > 0)
BIO_printf(bp, "%*s%s:\n", ind, "", name);
for(i = 0; i < sk_GENERAL_SUBTREE_num(trees); i++)
{
tree = sk_GENERAL_SUBTREE_value(trees, i);
BIO_printf(bp, "%*s", ind + 2, "");
if (tree->base->type == GEN_IPADD)
print_nc_ipadd(bp, tree->base->d.ip);
else
GENERAL_NAME_print(bp, tree->base);
BIO_puts(bp, "\n");
}
return 1;
}
STACK_OF(GENERAL_SUBTREE) *trees,
BIO *bp, int ind, char *name)
{
GENERAL_SUBTREE *tree;
int i;
if (sk_GENERAL_SUBTREE_num(trees) > 0)
BIO_printf(bp, "%*s%s:\n", ind, "", name);
for (i = 0; i < sk_GENERAL_SUBTREE_num(trees); i++) {
tree = sk_GENERAL_SUBTREE_value(trees, i);
BIO_printf(bp, "%*s", ind + 2, "");
if (tree->base->type == GEN_IPADD)
print_nc_ipadd(bp, tree->base->d.ip);
else
GENERAL_NAME_print(bp, tree->base);
BIO_puts(bp, "\n");
}
return 1;
}
static int print_nc_ipadd(BIO *bp, ASN1_OCTET_STRING *ip)
{
int i, len;
unsigned char *p;
p = ip->data;
len = ip->length;
BIO_puts(bp, "IP:");
if(len == 8)
{
BIO_printf(bp, "%d.%d.%d.%d/%d.%d.%d.%d",
p[0], p[1], p[2], p[3],
p[4], p[5], p[6], p[7]);
}
else if(len == 32)
{
for (i = 0; i < 16; i++)
{
BIO_printf(bp, "%X", p[0] << 8 | p[1]);
p += 2;
if (i == 7)
BIO_puts(bp, "/");
else if (i != 15)
BIO_puts(bp, ":");
}
}
else
BIO_printf(bp, "IP Address:<invalid>");
return 1;
}
{
int i, len;
unsigned char *p;
p = ip->data;
len = ip->length;
BIO_puts(bp, "IP:");
if (len == 8) {
BIO_printf(bp, "%d.%d.%d.%d/%d.%d.%d.%d",
p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]);
} else if (len == 32) {
for (i = 0; i < 16; i++) {
BIO_printf(bp, "%X", p[0] << 8 | p[1]);
p += 2;
if (i == 7)
BIO_puts(bp, "/");
else if (i != 15)
BIO_puts(bp, ":");
}
} else
BIO_printf(bp, "IP Address:<invalid>");
return 1;
}
/* Check a certificate conforms to a specified set of constraints.
/*-
* Check a certificate conforms to a specified set of constraints.
* Return values:
* X509_V_OK: All constraints obeyed.
* X509_V_ERR_PERMITTED_VIOLATION: Permitted subtree violation.
@@ -233,273 +219,259 @@ static int print_nc_ipadd(BIO *bp, ASN1_OCTET_STRING *ip)
* X509_V_ERR_UNSUPPORTED_CONSTRAINT_TYPE: Unsupported constraint type.
* X509_V_ERR_UNSUPPORTED_CONSTRAINT_SYNTAX: bad unsupported constraint syntax.
* X509_V_ERR_UNSUPPORTED_NAME_SYNTAX: bad or unsupported syntax of name
*/
int NAME_CONSTRAINTS_check(X509 *x, NAME_CONSTRAINTS *nc)
{
int r, i;
X509_NAME *nm;
{
int r, i;
X509_NAME *nm;
nm = X509_get_subject_name(x);
nm = X509_get_subject_name(x);
if (X509_NAME_entry_count(nm) > 0)
{
GENERAL_NAME gntmp;
gntmp.type = GEN_DIRNAME;
gntmp.d.directoryName = nm;
if (X509_NAME_entry_count(nm) > 0) {
GENERAL_NAME gntmp;
gntmp.type = GEN_DIRNAME;
gntmp.d.directoryName = nm;
r = nc_match(&gntmp, nc);
r = nc_match(&gntmp, nc);
if (r != X509_V_OK)
return r;
if (r != X509_V_OK)
return r;
gntmp.type = GEN_EMAIL;
gntmp.type = GEN_EMAIL;
/* Process any email address attributes in subject name */
/* Process any email address attributes in subject name */
for (i = -1;;) {
X509_NAME_ENTRY *ne;
i = X509_NAME_get_index_by_NID(nm, NID_pkcs9_emailAddress, i);
if (i == -1)
break;
ne = X509_NAME_get_entry(nm, i);
gntmp.d.rfc822Name = X509_NAME_ENTRY_get_data(ne);
if (gntmp.d.rfc822Name->type != V_ASN1_IA5STRING)
return X509_V_ERR_UNSUPPORTED_NAME_SYNTAX;
for (i = -1;;)
{
X509_NAME_ENTRY *ne;
i = X509_NAME_get_index_by_NID(nm,
NID_pkcs9_emailAddress,
i);
if (i == -1)
break;
ne = X509_NAME_get_entry(nm, i);
gntmp.d.rfc822Name = X509_NAME_ENTRY_get_data(ne);
if (gntmp.d.rfc822Name->type != V_ASN1_IA5STRING)
return X509_V_ERR_UNSUPPORTED_NAME_SYNTAX;
r = nc_match(&gntmp, nc);
r = nc_match(&gntmp, nc);
if (r != X509_V_OK)
return r;
}
if (r != X509_V_OK)
return r;
}
}
}
for (i = 0; i < sk_GENERAL_NAME_num(x->altname); i++)
{
GENERAL_NAME *gen = sk_GENERAL_NAME_value(x->altname, i);
r = nc_match(gen, nc);
if (r != X509_V_OK)
return r;
}
for (i = 0; i < sk_GENERAL_NAME_num(x->altname); i++) {
GENERAL_NAME *gen = sk_GENERAL_NAME_value(x->altname, i);
r = nc_match(gen, nc);
if (r != X509_V_OK)
return r;
}
return X509_V_OK;
return X509_V_OK;
}
}
static int nc_match(GENERAL_NAME *gen, NAME_CONSTRAINTS *nc)
{
GENERAL_SUBTREE *sub;
int i, r, match = 0;
{
GENERAL_SUBTREE *sub;
int i, r, match = 0;
/* Permitted subtrees: if any subtrees exist of matching the type
* at least one subtree must match.
*/
/*
* Permitted subtrees: if any subtrees exist of matching the type at
* least one subtree must match.
*/
for (i = 0; i < sk_GENERAL_SUBTREE_num(nc->permittedSubtrees); i++)
{
sub = sk_GENERAL_SUBTREE_value(nc->permittedSubtrees, i);
if (gen->type != sub->base->type)
continue;
if (sub->minimum || sub->maximum)
return X509_V_ERR_SUBTREE_MINMAX;
/* If we already have a match don't bother trying any more */
if (match == 2)
continue;
if (match == 0)
match = 1;
r = nc_match_single(gen, sub->base);
if (r == X509_V_OK)
match = 2;
else if (r != X509_V_ERR_PERMITTED_VIOLATION)
return r;
}
for (i = 0; i < sk_GENERAL_SUBTREE_num(nc->permittedSubtrees); i++) {
sub = sk_GENERAL_SUBTREE_value(nc->permittedSubtrees, i);
if (gen->type != sub->base->type)
continue;
if (sub->minimum || sub->maximum)
return X509_V_ERR_SUBTREE_MINMAX;
/* If we already have a match don't bother trying any more */
if (match == 2)
continue;
if (match == 0)
match = 1;
r = nc_match_single(gen, sub->base);
if (r == X509_V_OK)
match = 2;
else if (r != X509_V_ERR_PERMITTED_VIOLATION)
return r;
}
if (match == 1)
return X509_V_ERR_PERMITTED_VIOLATION;
if (match == 1)
return X509_V_ERR_PERMITTED_VIOLATION;
/* Excluded subtrees: must not match any of these */
/* Excluded subtrees: must not match any of these */
for (i = 0; i < sk_GENERAL_SUBTREE_num(nc->excludedSubtrees); i++)
{
sub = sk_GENERAL_SUBTREE_value(nc->excludedSubtrees, i);
if (gen->type != sub->base->type)
continue;
if (sub->minimum || sub->maximum)
return X509_V_ERR_SUBTREE_MINMAX;
for (i = 0; i < sk_GENERAL_SUBTREE_num(nc->excludedSubtrees); i++) {
sub = sk_GENERAL_SUBTREE_value(nc->excludedSubtrees, i);
if (gen->type != sub->base->type)
continue;
if (sub->minimum || sub->maximum)
return X509_V_ERR_SUBTREE_MINMAX;
r = nc_match_single(gen, sub->base);
if (r == X509_V_OK)
return X509_V_ERR_EXCLUDED_VIOLATION;
else if (r != X509_V_ERR_PERMITTED_VIOLATION)
return r;
r = nc_match_single(gen, sub->base);
if (r == X509_V_OK)
return X509_V_ERR_EXCLUDED_VIOLATION;
else if (r != X509_V_ERR_PERMITTED_VIOLATION)
return r;
}
}
return X509_V_OK;
return X509_V_OK;
}
}
static int nc_match_single(GENERAL_NAME *gen, GENERAL_NAME *base)
{
switch(base->type)
{
case GEN_DIRNAME:
return nc_dn(gen->d.directoryName, base->d.directoryName);
{
switch (base->type) {
case GEN_DIRNAME:
return nc_dn(gen->d.directoryName, base->d.directoryName);
case GEN_DNS:
return nc_dns(gen->d.dNSName, base->d.dNSName);
case GEN_DNS:
return nc_dns(gen->d.dNSName, base->d.dNSName);
case GEN_EMAIL:
return nc_email(gen->d.rfc822Name, base->d.rfc822Name);
case GEN_EMAIL:
return nc_email(gen->d.rfc822Name, base->d.rfc822Name);
case GEN_URI:
return nc_uri(gen->d.uniformResourceIdentifier,
base->d.uniformResourceIdentifier);
case GEN_URI:
return nc_uri(gen->d.uniformResourceIdentifier,
base->d.uniformResourceIdentifier);
default:
return X509_V_ERR_UNSUPPORTED_CONSTRAINT_TYPE;
}
default:
return X509_V_ERR_UNSUPPORTED_CONSTRAINT_TYPE;
}
}
}
/* directoryName name constraint matching.
* The canonical encoding of X509_NAME makes this comparison easy. It is
* matched if the subtree is a subset of the name.
/*
* directoryName name constraint matching. The canonical encoding of
* X509_NAME makes this comparison easy. It is matched if the subtree is a
* subset of the name.
*/
static int nc_dn(X509_NAME *nm, X509_NAME *base)
{
/* Ensure canonical encodings are up to date. */
if (nm->modified && i2d_X509_NAME(nm, NULL) < 0)
return X509_V_ERR_OUT_OF_MEM;
if (base->modified && i2d_X509_NAME(base, NULL) < 0)
return X509_V_ERR_OUT_OF_MEM;
if (base->canon_enclen > nm->canon_enclen)
return X509_V_ERR_PERMITTED_VIOLATION;
if (memcmp(base->canon_enc, nm->canon_enc, base->canon_enclen))
return X509_V_ERR_PERMITTED_VIOLATION;
return X509_V_OK;
}
{
/* Ensure canonical encodings are up to date. */
if (nm->modified && i2d_X509_NAME(nm, NULL) < 0)
return X509_V_ERR_OUT_OF_MEM;
if (base->modified && i2d_X509_NAME(base, NULL) < 0)
return X509_V_ERR_OUT_OF_MEM;
if (base->canon_enclen > nm->canon_enclen)
return X509_V_ERR_PERMITTED_VIOLATION;
if (memcmp(base->canon_enc, nm->canon_enc, base->canon_enclen))
return X509_V_ERR_PERMITTED_VIOLATION;
return X509_V_OK;
}
static int nc_dns(ASN1_IA5STRING *dns, ASN1_IA5STRING *base)
{
char *baseptr = (char *)base->data;
char *dnsptr = (char *)dns->data;
/* Empty matches everything */
if (!*baseptr)
return X509_V_OK;
/* Otherwise can add zero or more components on the left so
* compare RHS and if dns is longer and expect '.' as preceding
* character.
*/
if (dns->length > base->length)
{
dnsptr += dns->length - base->length;
if (dnsptr[-1] != '.')
return X509_V_ERR_PERMITTED_VIOLATION;
}
{
char *baseptr = (char *)base->data;
char *dnsptr = (char *)dns->data;
/* Empty matches everything */
if (!*baseptr)
return X509_V_OK;
/*
* Otherwise can add zero or more components on the left so compare RHS
* and if dns is longer and expect '.' as preceding character.
*/
if (dns->length > base->length) {
dnsptr += dns->length - base->length;
if (*baseptr != '.' && dnsptr[-1] != '.')
return X509_V_ERR_PERMITTED_VIOLATION;
}
if (strcasecmp(baseptr, dnsptr))
return X509_V_ERR_PERMITTED_VIOLATION;
if (strcasecmp(baseptr, dnsptr))
return X509_V_ERR_PERMITTED_VIOLATION;
return X509_V_OK;
return X509_V_OK;
}
}
static int nc_email(ASN1_IA5STRING *eml, ASN1_IA5STRING *base)
{
const char *baseptr = (char *)base->data;
const char *emlptr = (char *)eml->data;
{
const char *baseptr = (char *)base->data;
const char *emlptr = (char *)eml->data;
const char *baseat = strchr(baseptr, '@');
const char *emlat = strchr(emlptr, '@');
if (!emlat)
return X509_V_ERR_UNSUPPORTED_NAME_SYNTAX;
/* Special case: inital '.' is RHS match */
if (!baseat && (*baseptr == '.'))
{
if (eml->length > base->length)
{
emlptr += eml->length - base->length;
if (!strcasecmp(baseptr, emlptr))
return X509_V_OK;
}
return X509_V_ERR_PERMITTED_VIOLATION;
}
const char *baseat = strchr(baseptr, '@');
const char *emlat = strchr(emlptr, '@');
if (!emlat)
return X509_V_ERR_UNSUPPORTED_NAME_SYNTAX;
/* Special case: inital '.' is RHS match */
if (!baseat && (*baseptr == '.')) {
if (eml->length > base->length) {
emlptr += eml->length - base->length;
if (!strcasecmp(baseptr, emlptr))
return X509_V_OK;
}
return X509_V_ERR_PERMITTED_VIOLATION;
}
/* If we have anything before '@' match local part */
/* If we have anything before '@' match local part */
if (baseat)
{
if (baseat != baseptr)
{
if ((baseat - baseptr) != (emlat - emlptr))
return X509_V_ERR_PERMITTED_VIOLATION;
/* Case sensitive match of local part */
if (strncmp(baseptr, emlptr, emlat - emlptr))
return X509_V_ERR_PERMITTED_VIOLATION;
}
/* Position base after '@' */
baseptr = baseat + 1;
}
emlptr = emlat + 1;
/* Just have hostname left to match: case insensitive */
if (strcasecmp(baseptr, emlptr))
return X509_V_ERR_PERMITTED_VIOLATION;
if (baseat) {
if (baseat != baseptr) {
if ((baseat - baseptr) != (emlat - emlptr))
return X509_V_ERR_PERMITTED_VIOLATION;
/* Case sensitive match of local part */
if (strncmp(baseptr, emlptr, emlat - emlptr))
return X509_V_ERR_PERMITTED_VIOLATION;
}
/* Position base after '@' */
baseptr = baseat + 1;
}
emlptr = emlat + 1;
/* Just have hostname left to match: case insensitive */
if (strcasecmp(baseptr, emlptr))
return X509_V_ERR_PERMITTED_VIOLATION;
return X509_V_OK;
return X509_V_OK;
}
}
static int nc_uri(ASN1_IA5STRING *uri, ASN1_IA5STRING *base)
{
const char *baseptr = (char *)base->data;
const char *hostptr = (char *)uri->data;
const char *p = strchr(hostptr, ':');
int hostlen;
/* Check for foo:// and skip past it */
if (!p || (p[1] != '/') || (p[2] != '/'))
return X509_V_ERR_UNSUPPORTED_NAME_SYNTAX;
hostptr = p + 3;
{
const char *baseptr = (char *)base->data;
const char *hostptr = (char *)uri->data;
const char *p = strchr(hostptr, ':');
int hostlen;
/* Check for foo:// and skip past it */
if (!p || (p[1] != '/') || (p[2] != '/'))
return X509_V_ERR_UNSUPPORTED_NAME_SYNTAX;
hostptr = p + 3;
/* Determine length of hostname part of URI */
/* Determine length of hostname part of URI */
/* Look for a port indicator as end of hostname first */
/* Look for a port indicator as end of hostname first */
p = strchr(hostptr, ':');
/* Otherwise look for trailing slash */
if (!p)
p = strchr(hostptr, '/');
p = strchr(hostptr, ':');
/* Otherwise look for trailing slash */
if (!p)
p = strchr(hostptr, '/');
if (!p)
hostlen = strlen(hostptr);
else
hostlen = p - hostptr;
if (!p)
hostlen = strlen(hostptr);
else
hostlen = p - hostptr;
if (hostlen == 0)
return X509_V_ERR_UNSUPPORTED_NAME_SYNTAX;
if (hostlen == 0)
return X509_V_ERR_UNSUPPORTED_NAME_SYNTAX;
/* Special case: inital '.' is RHS match */
if (*baseptr == '.')
{
if (hostlen > base->length)
{
p = hostptr + hostlen - base->length;
if (!strncasecmp(p, baseptr, base->length))
return X509_V_OK;
}
return X509_V_ERR_PERMITTED_VIOLATION;
}
/* Special case: inital '.' is RHS match */
if (*baseptr == '.') {
if (hostlen > base->length) {
p = hostptr + hostlen - base->length;
if (!strncasecmp(p, baseptr, base->length))
return X509_V_OK;
}
return X509_V_ERR_PERMITTED_VIOLATION;
}
if ((base->length != (int)hostlen) || strncasecmp(hostptr, baseptr, hostlen))
return X509_V_ERR_PERMITTED_VIOLATION;
if ((base->length != (int)hostlen)
|| strncasecmp(hostptr, baseptr, hostlen))
return X509_V_ERR_PERMITTED_VIOLATION;
return X509_V_OK;
return X509_V_OK;
}
}