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Current Path: /usr/src/crypto/openssl/crypto/asn1

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: f_string.c

/*
 * Copyright 1995-2017 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 "crypto/ctype.h"
#include "internal/cryptlib.h"
#include <openssl/buffer.h>
#include <openssl/asn1.h>

int i2a_ASN1_STRING(BIO *bp, const ASN1_STRING *a, int type)
{
    int i, n = 0;
    static const char *h = "0123456789ABCDEF";
    char buf[2];

if (a == NULL)
        return 0;

if (a->length == 0) {
        if (BIO_write(bp, "0", 1) != 1)
            goto err;
        n = 1;
    } else {
        for (i = 0; i < a->length; i++) {
            if ((i != 0) && (i % 35 == 0)) {
                if (BIO_write(bp, "\\\n", 2) != 2)
                    goto err;
                n += 2;
            }
            buf[0] = h[((unsigned char)a->data[i] >> 4) & 0x0f];
            buf[1] = h[((unsigned char)a->data[i]) & 0x0f];
            if (BIO_write(bp, buf, 2) != 2)
                goto err;
            n += 2;
        }
    }
    return n;
 err:
    return -1;
}

int a2i_ASN1_STRING(BIO *bp, ASN1_STRING *bs, char *buf, int size)
{
    int i, j, k, m, n, again, bufsize;
    unsigned char *s = NULL, *sp;
    unsigned char *bufp;
    int num = 0, slen = 0, first = 1;

bufsize = BIO_gets(bp, buf, size);
    for (;;) {
        if (bufsize < 1) {
            if (first)
                break;
            else
                goto err;
        }
        first = 0;

i = bufsize;
        if (buf[i - 1] == '\n')
            buf[--i] = '\0';
        if (i == 0)
            goto err;
        if (buf[i - 1] == '\r')
            buf[--i] = '\0';
        if (i == 0)
            goto err;
        again = (buf[i - 1] == '\\');

for (j = i - 1; j > 0; j--) {
            if (!ossl_isxdigit(buf[j])) {
                i = j;
                break;
            }
        }
        buf[i] = '\0';
        /*
         * We have now cleared all the crap off the end of the line
         */
        if (i < 2)
            goto err;

bufp = (unsigned char *)buf;

k = 0;
        i -= again;
        if (i % 2 != 0) {
            ASN1err(ASN1_F_A2I_ASN1_STRING, ASN1_R_ODD_NUMBER_OF_CHARS);
            OPENSSL_free(s);
            return 0;
        }
        i /= 2;
        if (num + i > slen) {
            sp = OPENSSL_realloc(s, (unsigned int)num + i * 2);
            if (sp == NULL) {
                ASN1err(ASN1_F_A2I_ASN1_STRING, ERR_R_MALLOC_FAILURE);
                OPENSSL_free(s);
                return 0;
            }
            s = sp;
            slen = num + i * 2;
        }
        for (j = 0; j < i; j++, k += 2) {
            for (n = 0; n < 2; n++) {
                m = OPENSSL_hexchar2int(bufp[k + n]);
                if (m < 0) {
                    ASN1err(ASN1_F_A2I_ASN1_STRING,
                            ASN1_R_NON_HEX_CHARACTERS);
                    OPENSSL_free(s);
                    return 0;
                }
                s[num + j] <<= 4;
                s[num + j] |= m;
            }
        }
        num += i;
        if (again)
            bufsize = BIO_gets(bp, buf, size);
        else
            break;
    }
    bs->length = num;
    bs->data = s;
    return 1;

err:
    ASN1err(ASN1_F_A2I_ASN1_STRING, ASN1_R_SHORT_LINE);
    OPENSSL_free(s);
    return 0;
}

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Editing: f_string.c

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