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usr / src / crypto / openssl / crypto / asn1 /

📁 ..
📄 a_bitstr.c(5.34 KB)
📄 a_d2i_fp.c(6.33 KB)
📄 a_digest.c(1.52 KB)
📄 a_dup.c(1.51 KB)
📄 a_gentm.c(2.12 KB)
📄 a_i2d_fp.c(2.25 KB)
📄 a_int.c(16.55 KB)
📄 a_mbstr.c(9.55 KB)
📄 a_object.c(10.16 KB)
📄 a_octet.c(813 B)
📄 a_print.c(2.14 KB)
📄 a_sign.c(7.08 KB)
📄 a_strex.c(17.37 KB)
📄 a_strnid.c(5.95 KB)
📄 a_time.c(14.91 KB)
📄 a_type.c(3.51 KB)
📄 a_utctm.c(2.23 KB)
📄 a_utf8.c(5.89 KB)
📄 a_verify.c(4.92 KB)
📄 ameth_lib.c(14.51 KB)
📄 asn1_err.c(18.92 KB)
📄 asn1_gen.c(22.63 KB)
📄 asn1_item_list.c(1.06 KB)
📄 asn1_item_list.h(5.5 KB)
📄 asn1_lib.c(9.38 KB)
📄 asn1_local.h(3.27 KB)
📄 asn1_par.c(13 KB)
📄 asn_mime.c(27.92 KB)
📄 asn_moid.c(2.46 KB)
📄 asn_mstbl.c(3.43 KB)
📄 asn_pack.c(1.59 KB)
📄 bio_asn1.c(11.09 KB)
📄 bio_ndef.c(5.29 KB)
📄 build.info(837 B)
📄 charmap.h(1.41 KB)
📄 charmap.pl(3.58 KB)
📄 d2i_pr.c(3.64 KB)
📄 d2i_pu.c(2.01 KB)
📄 evp_asn1.c(2.89 KB)
📄 f_int.c(3.94 KB)
📄 f_string.c(3.44 KB)
📄 i2d_pr.c(1006 B)
📄 i2d_pu.c(1.05 KB)
📄 n_pkey.c(1.89 KB)
📄 nsseq.c(1.11 KB)
📄 p5_pbe.c(2.52 KB)
📄 p5_pbev2.c(6 KB)
📄 p5_scrypt.c(7.76 KB)
📄 p8_pkey.c(2.53 KB)
📄 standard_methods.h(1.35 KB)
📄 t_bitst.c(1.56 KB)
📄 t_pkey.c(2.52 KB)
📄 t_spki.c(1.75 KB)
📄 tasn_dec.c(36.99 KB)
📄 tasn_enc.c(18.86 KB)
📄 tasn_fre.c(5.34 KB)
📄 tasn_new.c(8.95 KB)
📄 tasn_prn.c(14.63 KB)
📄 tasn_scn.c(1.37 KB)
📄 tasn_typ.c(2.94 KB)
📄 tasn_utl.c(6.64 KB)
📄 tbl_standard.h(2.7 KB)
📄 x_algor.c(3.31 KB)
📄 x_bignum.c(4.05 KB)
📄 x_info.c(895 B)
📄 x_int64.c(7.83 KB)
📄 x_long.c(5.42 KB)
📄 x_pkey.c(1.12 KB)
📄 x_sig.c(1.05 KB)
📄 x_spki.c(961 B)
📄 x_val.c(636 B)

Editing: a_strnid.c

/*
 * Copyright 1999-2018 The OpenSSL Project Authors. All Rights Reserved.
 *
 * 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
 */

#include <stdio.h>
#include "internal/cryptlib.h"
#include <openssl/asn1.h>
#include <openssl/objects.h>

static STACK_OF(ASN1_STRING_TABLE) *stable = NULL;
static void st_free(ASN1_STRING_TABLE *tbl);
static int sk_table_cmp(const ASN1_STRING_TABLE *const *a,
                        const ASN1_STRING_TABLE *const *b);

/*
 * 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) == 0) {
        if (!p[5])
            return 0;
        mask = strtoul(p + 5, &end, 0);
        if (*end)
            return 0;
    } else if (strcmp(p, "nombstr") == 0)
        mask = ~((unsigned long)(B_ASN1_BMPSTRING | B_ASN1_UTF8STRING));
    else if (strcmp(p, "pkix") == 0)
        mask = ~((unsigned long)B_ASN1_T61STRING);
    else if (strcmp(p, "utf8only") == 0)
        mask = B_ASN1_UTF8STRING;
    else if (strcmp(p, "default") == 0)
        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 == NULL)
        out = &str;
    tbl = ASN1_STRING_TABLE_get(nid);
    if (tbl != NULL) {
        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:
 */

#include "tbl_standard.h"

static int sk_table_cmp(const ASN1_STRING_TABLE *const *a,
                        const ASN1_STRING_TABLE *const *b)
{
    return (*a)->nid - (*b)->nid;
}

DECLARE_OBJ_BSEARCH_CMP_FN(ASN1_STRING_TABLE, ASN1_STRING_TABLE, table);

static int table_cmp(const ASN1_STRING_TABLE *a, const ASN1_STRING_TABLE *b)
{
    return a->nid - b->nid;
}

IMPLEMENT_OBJ_BSEARCH_CMP_FN(ASN1_STRING_TABLE, ASN1_STRING_TABLE, table);

ASN1_STRING_TABLE *ASN1_STRING_TABLE_get(int nid)
{
    int idx;
    ASN1_STRING_TABLE fnd;

fnd.nid = nid;
    if (stable) {
        idx = sk_ASN1_STRING_TABLE_find(stable, &fnd);
        if (idx >= 0)
            return sk_ASN1_STRING_TABLE_value(stable, idx);
    }
    return OBJ_bsearch_table(&fnd, tbl_standard, OSSL_NELEM(tbl_standard));
}

/*
 * Return a string table pointer which can be modified: either directly from
 * table or a copy of an internal value added to the table.
 */

static ASN1_STRING_TABLE *stable_get(int nid)
{
    ASN1_STRING_TABLE *tmp, *rv;

/* Always need a string table so allocate one if NULL */
    if (stable == NULL) {
        stable = sk_ASN1_STRING_TABLE_new(sk_table_cmp);
        if (stable == NULL)
            return NULL;
    }
    tmp = ASN1_STRING_TABLE_get(nid);
    if (tmp != NULL && tmp->flags & STABLE_FLAGS_MALLOC)
        return tmp;
    if ((rv = OPENSSL_zalloc(sizeof(*rv))) == NULL) {
        ASN1err(ASN1_F_STABLE_GET, ERR_R_MALLOC_FAILURE);
        return NULL;
    }
    if (!sk_ASN1_STRING_TABLE_push(stable, rv)) {
        OPENSSL_free(rv);
        return NULL;
    }
    if (tmp != NULL) {
        rv->nid = tmp->nid;
        rv->minsize = tmp->minsize;
        rv->maxsize = tmp->maxsize;
        rv->mask = tmp->mask;
        rv->flags = tmp->flags | STABLE_FLAGS_MALLOC;
    } else {
        rv->nid = nid;
        rv->minsize = -1;
        rv->maxsize = -1;
        rv->flags = STABLE_FLAGS_MALLOC;
    }
    return rv;
}

int ASN1_STRING_TABLE_add(int nid,
                          long minsize, long maxsize, unsigned long mask,
                          unsigned long flags)
{
    ASN1_STRING_TABLE *tmp;

tmp = stable_get(nid);
    if (tmp == NULL) {
        ASN1err(ASN1_F_ASN1_STRING_TABLE_ADD, ERR_R_MALLOC_FAILURE);
        return 0;
    }
    if (minsize >= 0)
        tmp->minsize = minsize;
    if (maxsize >= 0)
        tmp->maxsize = maxsize;
    if (mask)
        tmp->mask = mask;
    if (flags)
        tmp->flags = STABLE_FLAGS_MALLOC | flags;
    return 1;
}

void ASN1_STRING_TABLE_cleanup(void)
{
    STACK_OF(ASN1_STRING_TABLE) *tmp;

tmp = stable;
    if (tmp == NULL)
        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);
}

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Editing: a_strnid.c

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