313 lines
10 KiB
C
313 lines
10 KiB
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 <openssl/asn1.h>
|
|
|
|
#include <stdlib.h> /* For bsearch */
|
|
#include <string.h>
|
|
|
|
#include <openssl/err.h>
|
|
#include <openssl/mem.h>
|
|
#include <openssl/obj.h>
|
|
#include <openssl/stack.h>
|
|
|
|
DEFINE_STACK_OF(ASN1_STRING_TABLE)
|
|
|
|
static STACK_OF(ASN1_STRING_TABLE) *stable = NULL;
|
|
static void st_free(ASN1_STRING_TABLE *tbl);
|
|
|
|
/*
|
|
* This is the global mask for the mbstring functions: this is use to mask
|
|
* out certain types (such as BMPString and UTF8String) because certain
|
|
* software (e.g. Netscape) has problems with them.
|
|
*/
|
|
|
|
static unsigned long global_mask = B_ASN1_UTF8STRING;
|
|
|
|
void ASN1_STRING_set_default_mask(unsigned long mask)
|
|
{
|
|
global_mask = mask;
|
|
}
|
|
|
|
unsigned long ASN1_STRING_get_default_mask(void)
|
|
{
|
|
return global_mask;
|
|
}
|
|
|
|
/*
|
|
* This function sets the default to various "flavours" of configuration.
|
|
* based on an ASCII string. Currently this is: MASK:XXXX : a numerical mask
|
|
* value. nobmp : Don't use BMPStrings (just Printable, T61). pkix : PKIX
|
|
* recommendation in RFC2459. utf8only : only use UTF8Strings (RFC2459
|
|
* recommendation for 2004). default: the default value, Printable, T61, BMP.
|
|
*/
|
|
|
|
int ASN1_STRING_set_default_mask_asc(const char *p)
|
|
{
|
|
unsigned long mask;
|
|
char *end;
|
|
if (!strncmp(p, "MASK:", 5)) {
|
|
if (!p[5])
|
|
return 0;
|
|
mask = strtoul(p + 5, &end, 0);
|
|
if (*end)
|
|
return 0;
|
|
} else if (!strcmp(p, "nombstr"))
|
|
mask = ~((unsigned long)(B_ASN1_BMPSTRING | B_ASN1_UTF8STRING));
|
|
else if (!strcmp(p, "pkix"))
|
|
mask = ~((unsigned long)B_ASN1_T61STRING);
|
|
else if (!strcmp(p, "utf8only"))
|
|
mask = B_ASN1_UTF8STRING;
|
|
else if (!strcmp(p, "default"))
|
|
mask = 0xFFFFFFFFL;
|
|
else
|
|
return 0;
|
|
ASN1_STRING_set_default_mask(mask);
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* The following function generates an ASN1_STRING based on limits in a
|
|
* table. Frequently the types and length of an ASN1_STRING are restricted by
|
|
* a corresponding OID. For example certificates and certificate requests.
|
|
*/
|
|
|
|
ASN1_STRING *ASN1_STRING_set_by_NID(ASN1_STRING **out,
|
|
const unsigned char *in, int inlen,
|
|
int inform, int nid)
|
|
{
|
|
ASN1_STRING_TABLE *tbl;
|
|
ASN1_STRING *str = NULL;
|
|
unsigned long mask;
|
|
int ret;
|
|
if (!out)
|
|
out = &str;
|
|
tbl = ASN1_STRING_TABLE_get(nid);
|
|
if (tbl) {
|
|
mask = tbl->mask;
|
|
if (!(tbl->flags & STABLE_NO_MASK))
|
|
mask &= global_mask;
|
|
ret = ASN1_mbstring_ncopy(out, in, inlen, inform, mask,
|
|
tbl->minsize, tbl->maxsize);
|
|
} else
|
|
ret =
|
|
ASN1_mbstring_copy(out, in, inlen, inform,
|
|
DIRSTRING_TYPE & global_mask);
|
|
if (ret <= 0)
|
|
return NULL;
|
|
return *out;
|
|
}
|
|
|
|
/*
|
|
* Now the tables and helper functions for the string table:
|
|
*/
|
|
|
|
/* size limits: this stuff is taken straight from RFC3280 */
|
|
|
|
#define ub_name 32768
|
|
#define ub_common_name 64
|
|
#define ub_locality_name 128
|
|
#define ub_state_name 128
|
|
#define ub_organization_name 64
|
|
#define ub_organization_unit_name 64
|
|
#define ub_title 64
|
|
#define ub_email_address 128
|
|
#define ub_serial_number 64
|
|
|
|
/* This table must be kept in NID order */
|
|
|
|
static const ASN1_STRING_TABLE tbl_standard[] = {
|
|
{NID_commonName, 1, ub_common_name, DIRSTRING_TYPE, 0},
|
|
{NID_countryName, 2, 2, B_ASN1_PRINTABLESTRING, STABLE_NO_MASK},
|
|
{NID_localityName, 1, ub_locality_name, DIRSTRING_TYPE, 0},
|
|
{NID_stateOrProvinceName, 1, ub_state_name, DIRSTRING_TYPE, 0},
|
|
{NID_organizationName, 1, ub_organization_name, DIRSTRING_TYPE, 0},
|
|
{NID_organizationalUnitName, 1, ub_organization_unit_name, DIRSTRING_TYPE,
|
|
0},
|
|
{NID_pkcs9_emailAddress, 1, ub_email_address, B_ASN1_IA5STRING,
|
|
STABLE_NO_MASK},
|
|
{NID_pkcs9_unstructuredName, 1, -1, PKCS9STRING_TYPE, 0},
|
|
{NID_pkcs9_challengePassword, 1, -1, PKCS9STRING_TYPE, 0},
|
|
{NID_pkcs9_unstructuredAddress, 1, -1, DIRSTRING_TYPE, 0},
|
|
{NID_givenName, 1, ub_name, DIRSTRING_TYPE, 0},
|
|
{NID_surname, 1, ub_name, DIRSTRING_TYPE, 0},
|
|
{NID_initials, 1, ub_name, DIRSTRING_TYPE, 0},
|
|
{NID_serialNumber, 1, ub_serial_number, B_ASN1_PRINTABLESTRING,
|
|
STABLE_NO_MASK},
|
|
{NID_friendlyName, -1, -1, B_ASN1_BMPSTRING, STABLE_NO_MASK},
|
|
{NID_name, 1, ub_name, DIRSTRING_TYPE, 0},
|
|
{NID_dnQualifier, -1, -1, B_ASN1_PRINTABLESTRING, STABLE_NO_MASK},
|
|
{NID_domainComponent, 1, -1, B_ASN1_IA5STRING, STABLE_NO_MASK},
|
|
{NID_ms_csp_name, -1, -1, B_ASN1_BMPSTRING, STABLE_NO_MASK}
|
|
};
|
|
|
|
static int sk_table_cmp(const ASN1_STRING_TABLE **a,
|
|
const ASN1_STRING_TABLE **b)
|
|
{
|
|
return (*a)->nid - (*b)->nid;
|
|
}
|
|
|
|
static int table_cmp(const void *in_a, const void *in_b)
|
|
{
|
|
const ASN1_STRING_TABLE *a = in_a;
|
|
const ASN1_STRING_TABLE *b = in_b;
|
|
return a->nid - b->nid;
|
|
}
|
|
|
|
ASN1_STRING_TABLE *ASN1_STRING_TABLE_get(int nid)
|
|
{
|
|
int found;
|
|
size_t idx;
|
|
ASN1_STRING_TABLE *ttmp;
|
|
ASN1_STRING_TABLE fnd;
|
|
fnd.nid = nid;
|
|
|
|
ttmp =
|
|
bsearch(&fnd, tbl_standard,
|
|
sizeof(tbl_standard) / sizeof(ASN1_STRING_TABLE),
|
|
sizeof(ASN1_STRING_TABLE), table_cmp);
|
|
if (ttmp)
|
|
return ttmp;
|
|
if (!stable)
|
|
return NULL;
|
|
found = sk_ASN1_STRING_TABLE_find(stable, &idx, &fnd);
|
|
if (!found)
|
|
return NULL;
|
|
return sk_ASN1_STRING_TABLE_value(stable, idx);
|
|
}
|
|
|
|
int ASN1_STRING_TABLE_add(int nid,
|
|
long minsize, long maxsize, unsigned long mask,
|
|
unsigned long flags)
|
|
{
|
|
ASN1_STRING_TABLE *tmp;
|
|
char new_nid = 0;
|
|
flags &= ~STABLE_FLAGS_MALLOC;
|
|
if (!stable)
|
|
stable = sk_ASN1_STRING_TABLE_new(sk_table_cmp);
|
|
if (!stable) {
|
|
OPENSSL_PUT_ERROR(ASN1, ERR_R_MALLOC_FAILURE);
|
|
return 0;
|
|
}
|
|
if (!(tmp = ASN1_STRING_TABLE_get(nid))) {
|
|
tmp = OPENSSL_malloc(sizeof(ASN1_STRING_TABLE));
|
|
if (!tmp) {
|
|
OPENSSL_PUT_ERROR(ASN1, ERR_R_MALLOC_FAILURE);
|
|
return 0;
|
|
}
|
|
tmp->flags = flags | STABLE_FLAGS_MALLOC;
|
|
tmp->nid = nid;
|
|
tmp->minsize = tmp->maxsize = -1;
|
|
new_nid = 1;
|
|
} else
|
|
tmp->flags = (tmp->flags & STABLE_FLAGS_MALLOC) | flags;
|
|
if (minsize != -1)
|
|
tmp->minsize = minsize;
|
|
if (maxsize != -1)
|
|
tmp->maxsize = maxsize;
|
|
tmp->mask = mask;
|
|
if (new_nid)
|
|
sk_ASN1_STRING_TABLE_push(stable, tmp);
|
|
return 1;
|
|
}
|
|
|
|
void ASN1_STRING_TABLE_cleanup(void)
|
|
{
|
|
STACK_OF(ASN1_STRING_TABLE) *tmp;
|
|
tmp = stable;
|
|
if (!tmp)
|
|
return;
|
|
stable = NULL;
|
|
sk_ASN1_STRING_TABLE_pop_free(tmp, st_free);
|
|
}
|
|
|
|
static void st_free(ASN1_STRING_TABLE *tbl)
|
|
{
|
|
if (tbl->flags & STABLE_FLAGS_MALLOC)
|
|
OPENSSL_free(tbl);
|
|
}
|
|
|
|
#ifdef STRING_TABLE_TEST
|
|
|
|
int main(void)
|
|
{
|
|
ASN1_STRING_TABLE *tmp;
|
|
int i, last_nid = -1;
|
|
|
|
for (tmp = tbl_standard, i = 0;
|
|
i < sizeof(tbl_standard) / sizeof(ASN1_STRING_TABLE); i++, tmp++) {
|
|
if (tmp->nid < last_nid) {
|
|
last_nid = 0;
|
|
break;
|
|
}
|
|
last_nid = tmp->nid;
|
|
}
|
|
|
|
if (last_nid != 0) {
|
|
printf("Table order OK\n");
|
|
exit(0);
|
|
}
|
|
|
|
for (tmp = tbl_standard, i = 0;
|
|
i < sizeof(tbl_standard) / sizeof(ASN1_STRING_TABLE); i++, tmp++)
|
|
printf("Index %d, NID %d, Name=%s\n", i, tmp->nid,
|
|
OBJ_nid2ln(tmp->nid));
|
|
|
|
return 0;
|
|
}
|
|
|
|
#endif
|