From aa4d426b4d3527d7e166df1a05058c9a4a0f6683 Mon Sep 17 00:00:00 2001
From: Wojtek Kosior <wk@koszkonutek-tmp.pl.eu.org>
Date: Fri, 30 Apr 2021 00:33:56 +0200
Subject: initial/final commit

---
 openssl-1.1.0h/crypto/asn1/f_int.c | 167 +++++++++++++++++++++++++++++++++++++
 1 file changed, 167 insertions(+)
 create mode 100644 openssl-1.1.0h/crypto/asn1/f_int.c

(limited to 'openssl-1.1.0h/crypto/asn1/f_int.c')

diff --git a/openssl-1.1.0h/crypto/asn1/f_int.c b/openssl-1.1.0h/crypto/asn1/f_int.c
new file mode 100644
index 0000000..ec556c9
--- /dev/null
+++ b/openssl-1.1.0h/crypto/asn1/f_int.c
@@ -0,0 +1,167 @@
+/*
+ * Copyright 1995-2016 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 <ctype.h>
+#include "internal/cryptlib.h"
+#include <openssl/buffer.h>
+#include <openssl/asn1.h>
+
+int i2a_ASN1_INTEGER(BIO *bp, const ASN1_INTEGER *a)
+{
+    int i, n = 0;
+    static const char *h = "0123456789ABCDEF";
+    char buf[2];
+
+    if (a == NULL)
+        return (0);
+
+    if (a->type & V_ASN1_NEG) {
+        if (BIO_write(bp, "-", 1) != 1)
+            goto err;
+        n = 1;
+    }
+
+    if (a->length == 0) {
+        if (BIO_write(bp, "00", 2) != 2)
+            goto err;
+        n += 2;
+    } 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_INTEGER(BIO *bp, ASN1_INTEGER *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;
+
+    bs->type = V_ASN1_INTEGER;
+
+    bufsize = BIO_gets(bp, buf, size);
+    for (;;) {
+        if (bufsize < 1)
+            goto err;
+        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 = 0; j < i; j++) {
+#ifndef CHARSET_EBCDIC
+            if (!(((buf[j] >= '0') && (buf[j] <= '9')) ||
+                  ((buf[j] >= 'a') && (buf[j] <= 'f')) ||
+                  ((buf[j] >= 'A') && (buf[j] <= 'F'))))
+#else
+            /*
+             * This #ifdef is not strictly necessary, since the characters
+             * A...F a...f 0...9 are contiguous (yes, even in EBCDIC - but
+             * not the whole alphabet). Nevertheless, isxdigit() is faster.
+             */
+            if (!isxdigit(buf[j]))
+#endif
+            {
+                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;
+        if (first) {
+            first = 0;
+            if ((bufp[0] == '0') && (bufp[1] == '0')) {
+                bufp += 2;
+                i -= 2;
+            }
+        }
+        k = 0;
+        i -= again;
+        if (i % 2 != 0) {
+            ASN1err(ASN1_F_A2I_ASN1_INTEGER, ASN1_R_ODD_NUMBER_OF_CHARS);
+            OPENSSL_free(s);
+            return 0;
+        }
+        i /= 2;
+        if (num + i > slen) {
+            sp = OPENSSL_clear_realloc(s, slen, num + i * 2);
+            if (sp == NULL) {
+                ASN1err(ASN1_F_A2I_ASN1_INTEGER, 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_INTEGER,
+                            ASN1_R_NON_HEX_CHARACTERS);
+                    goto err;
+                }
+                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_INTEGER, ASN1_R_SHORT_LINE);
+    OPENSSL_free(s);
+    return 0;
+}
+
+int i2a_ASN1_ENUMERATED(BIO *bp, const ASN1_ENUMERATED *a)
+{
+    return i2a_ASN1_INTEGER(bp, a);
+}
+
+int a2i_ASN1_ENUMERATED(BIO *bp, ASN1_ENUMERATED *bs, char *buf, int size)
+{
+    int rv = a2i_ASN1_INTEGER(bp, bs, buf, size);
+    if (rv == 1)
+        bs->type = V_ASN1_INTEGER | (bs->type & V_ASN1_NEG);
+    return rv;
+}
-- 
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