Import moonshot-gss-eap_0.9.2.orig.tar.gz

[mech_eap.git] / libeap / src / tls / asn1.c

diff --git a/libeap/src/tls/asn1.c b/libeap/src/tls/asn1.c
deleted file mode 100644 (file)
index 3391245..0000000
--- a/libeap/src/tls/asn1.c
+++ /dev/null
@@ -1,212 +0,0 @@
-/*
- * ASN.1 DER parsing
- * Copyright (c) 2006, Jouni Malinen <j@w1.fi>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Alternatively, this software may be distributed under the terms of BSD
- * license.
- *
- * See README and COPYING for more details.
- */
-
-#include "includes.h"
-
-#include "common.h"
-#include "asn1.h"
-
-int asn1_get_next(const u8 *buf, size_t len, struct asn1_hdr *hdr)
-{
-       const u8 *pos, *end;
-       u8 tmp;
-
-       os_memset(hdr, 0, sizeof(*hdr));
-       pos = buf;
-       end = buf + len;
-
-       hdr->identifier = *pos++;
-       hdr->class = hdr->identifier >> 6;
-       hdr->constructed = !!(hdr->identifier & (1 << 5));
-
-       if ((hdr->identifier & 0x1f) == 0x1f) {
-               hdr->tag = 0;
-               do {
-                       if (pos >= end) {
-                               wpa_printf(MSG_DEBUG, "ASN.1: Identifier "
-                                          "underflow");
-                               return -1;
-                       }
-                       tmp = *pos++;
-                       wpa_printf(MSG_MSGDUMP, "ASN.1: Extended tag data: "
-                                  "0x%02x", tmp);
-                       hdr->tag = (hdr->tag << 7) | (tmp & 0x7f);
-               } while (tmp & 0x80);
-       } else
-               hdr->tag = hdr->identifier & 0x1f;
-
-       tmp = *pos++;
-       if (tmp & 0x80) {
-               if (tmp == 0xff) {
-                       wpa_printf(MSG_DEBUG, "ASN.1: Reserved length "
-                                  "value 0xff used");
-                       return -1;
-               }
-               tmp &= 0x7f; /* number of subsequent octets */
-               hdr->length = 0;
-               if (tmp > 4) {
-                       wpa_printf(MSG_DEBUG, "ASN.1: Too long length field");
-                       return -1;
-               }
-               while (tmp--) {
-                       if (pos >= end) {
-                               wpa_printf(MSG_DEBUG, "ASN.1: Length "
-                                          "underflow");
-                               return -1;
-                       }
-                       hdr->length = (hdr->length << 8) | *pos++;
-               }
-       } else {
-               /* Short form - length 0..127 in one octet */
-               hdr->length = tmp;
-       }
-
-       if (end < pos || hdr->length > (unsigned int) (end - pos)) {
-               wpa_printf(MSG_DEBUG, "ASN.1: Contents underflow");
-               return -1;
-       }
-
-       hdr->payload = pos;
-       return 0;
-}
-
-
-int asn1_parse_oid(const u8 *buf, size_t len, struct asn1_oid *oid)
-{
-       const u8 *pos, *end;
-       unsigned long val;
-       u8 tmp;
-
-       os_memset(oid, 0, sizeof(*oid));
-
-       pos = buf;
-       end = buf + len;
-
-       while (pos < end) {
-               val = 0;
-
-               do {
-                       if (pos >= end)
-                               return -1;
-                       tmp = *pos++;
-                       val = (val << 7) | (tmp & 0x7f);
-               } while (tmp & 0x80);
-
-               if (oid->len >= ASN1_MAX_OID_LEN) {
-                       wpa_printf(MSG_DEBUG, "ASN.1: Too long OID value");
-                       return -1;
-               }
-               if (oid->len == 0) {
-                       /*
-                        * The first octet encodes the first two object
-                        * identifier components in (X*40) + Y formula.
-                        * X = 0..2.
-                        */
-                       oid->oid[0] = val / 40;
-                       if (oid->oid[0] > 2)
-                               oid->oid[0] = 2;
-                       oid->oid[1] = val - oid->oid[0] * 40;
-                       oid->len = 2;
-               } else
-                       oid->oid[oid->len++] = val;
-       }
-
-       return 0;
-}
-
-
-int asn1_get_oid(const u8 *buf, size_t len, struct asn1_oid *oid,
-                const u8 **next)
-{
-       struct asn1_hdr hdr;
-
-       if (asn1_get_next(buf, len, &hdr) < 0 || hdr.length == 0)
-               return -1;
-
-       if (hdr.class != ASN1_CLASS_UNIVERSAL || hdr.tag != ASN1_TAG_OID) {
-               wpa_printf(MSG_DEBUG, "ASN.1: Expected OID - found class %d "
-                          "tag 0x%x", hdr.class, hdr.tag);
-               return -1;
-       }
-
-       *next = hdr.payload + hdr.length;
-
-       return asn1_parse_oid(hdr.payload, hdr.length, oid);
-}
-
-
-void asn1_oid_to_str(struct asn1_oid *oid, char *buf, size_t len)
-{
-       char *pos = buf;
-       size_t i;
-       int ret;
-
-       if (len == 0)
-               return;
-
-       buf[0] = '\0';
-
-       for (i = 0; i < oid->len; i++) {
-               ret = os_snprintf(pos, buf + len - pos,
-                                 "%s%lu",
-                                 i == 0 ? "" : ".", oid->oid[i]);
-               if (ret < 0 || ret >= buf + len - pos)
-                       break;
-               pos += ret;
-       }
-       buf[len - 1] = '\0';
-}
-
-
-static u8 rotate_bits(u8 octet)
-{
-       int i;
-       u8 res;
-
-       res = 0;
-       for (i = 0; i < 8; i++) {
-               res <<= 1;
-               if (octet & 1)
-                       res |= 1;
-               octet >>= 1;
-       }
-
-       return res;
-}
-
-
-unsigned long asn1_bit_string_to_long(const u8 *buf, size_t len)
-{
-       unsigned long val = 0;
-       const u8 *pos = buf;
-
-       /* BER requires that unused bits are zero, so we can ignore the number
-        * of unused bits */
-       pos++;
-
-       if (len >= 2)
-               val |= rotate_bits(*pos++);
-       if (len >= 3)
-               val |= ((unsigned long) rotate_bits(*pos++)) << 8;
-       if (len >= 4)
-               val |= ((unsigned long) rotate_bits(*pos++)) << 16;
-       if (len >= 5)
-               val |= ((unsigned long) rotate_bits(*pos++)) << 24;
-       if (len >= 6)
-               wpa_printf(MSG_DEBUG, "X509: %s - some bits ignored "
-                          "(BIT STRING length %lu)",
-                          __func__, (unsigned long) len);
-
-       return val;
-}