Rearrange moonshot to have libeap as a subproject

[mech_eap.orig] / util_base64.c

diff --git a/util_base64.c b/util_base64.c
deleted file mode 100644 (file)
index 5d5241d..0000000
--- a/util_base64.c
+++ /dev/null
@@ -1,153 +0,0 @@
-/*
- * Copyright (c) 1995-2001 Kungliga Tekniska Högskolan
- * (Royal Institute of Technology, Stockholm, Sweden).
- * All rights reserved.
- *
- * 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 above 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. Neither the name of the Institute nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE 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.
- */
-
-#include "gssapiP_eap.h"
-
-static const char base64_chars[] =
-    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
-
-static int
-pos(char c)
-{
-    const char *p;
-    for (p = base64_chars; *p; p++)
-       if (*p == c)
-           return p - base64_chars;
-    return -1;
-}
-
-ssize_t
-base64Encode(const void *data, int size, char **str)
-{
-    char *s, *p;
-    int i;
-    int c;
-    const unsigned char *q;
-
-    if (size > INT_MAX/4 || size < 0) {
-       *str = NULL;
-       return -1;
-    }
-
-    p = s = (char *)GSSEAP_MALLOC(BASE64_EXPAND(size));
-    if (p == NULL) {
-        *str = NULL;
-       return -1;
-    }
-    q = (const unsigned char *) data;
-
-    for (i = 0; i < size;) {
-       c = q[i++];
-       c *= 256;
-       if (i < size)
-           c += q[i];
-       i++;
-       c *= 256;
-       if (i < size)
-           c += q[i];
-       i++;
-       p[0] = base64_chars[(c & 0x00fc0000) >> 18];
-       p[1] = base64_chars[(c & 0x0003f000) >> 12];
-       p[2] = base64_chars[(c & 0x00000fc0) >> 6];
-       p[3] = base64_chars[(c & 0x0000003f) >> 0];
-       if (i > size)
-           p[3] = '=';
-       if (i > size + 1)
-           p[2] = '=';
-       p += 4;
-    }
-    *p = 0;
-    *str = s;
-    return strlen(s);
-}
-
-#define DECODE_ERROR 0xffffffff
-
-static unsigned int
-token_decode(const char *token)
-{
-    int i;
-    unsigned int val = 0;
-    int marker = 0;
-    if (strlen(token) < 4)
-       return DECODE_ERROR;
-    for (i = 0; i < 4; i++) {
-       val *= 64;
-       if (token[i] == '=')
-           marker++;
-       else if (marker > 0)
-           return DECODE_ERROR;
-       else
-           val += pos(token[i]);
-    }
-    if (marker > 2)
-       return DECODE_ERROR;
-    return (marker << 24) | val;
-}
-
-ssize_t
-base64Decode(const char *str, void *data)
-{
-    const char *p;
-    unsigned char *q;
-
-    q = data;
-    for (p = str; *p && (*p == '=' || strchr(base64_chars, *p)); p += 4) {
-       unsigned int val = token_decode(p);
-       unsigned int marker = (val >> 24) & 0xff;
-       if (val == DECODE_ERROR)
-           return -1;
-       *q++ = (val >> 16) & 0xff;
-       if (marker < 2)
-           *q++ = (val >> 8) & 0xff;
-       if (marker < 1)
-           *q++ = val & 0xff;
-    }
-    return q - (unsigned char *) data;
-}
-
-int
-base64Valid(const char *str)
-{
-    const char *p;
-    int valid = 1;
-
-    for (p = str; *p && (*p == '=' || strchr(base64_chars, *p)); p += 4) {
-       unsigned int val = token_decode(p);
-       if (val == DECODE_ERROR) {
-            valid = 0;
-           break;
-        }
-    }
-    return valid;
-}