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-rw-r--r--base64.c140
1 files changed, 0 insertions, 140 deletions
diff --git a/base64.c b/base64.c
deleted file mode 100644
index 3449ae5..0000000
--- a/base64.c
+++ /dev/null
@@ -1,140 +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 "syshead.h"
-
-#if defined(ENABLE_HTTP_PROXY) || defined(ENABLE_PKCS11) || defined(ENABLE_CLIENT_CR)
-
-#include "base64.h"
-
-#include "memdbg.h"
-
-static char base64_chars[] =
- "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
-
-int
-base64_encode(const void *data, int size, char **str)
-{
- char *s, *p;
- int i;
- int c;
- const unsigned char *q;
-
- p = s = (char *) malloc(size * 4 / 3 + 4);
- if (p == NULL)
- return -1;
- q = (const unsigned char *) data;
- i = 0;
- 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);
-}
-
-static int
-pos(char c)
-{
- char *p;
- for (p = base64_chars; *p; p++)
- if (*p == c)
- return p - base64_chars;
- return -1;
-}
-
-#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;
-}
-
-int
-base64_decode(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;
-}
-
-#else
-static void dummy(void) {}
-#endif /* ENABLE_HTTP_PROXY, ENABLE_PKCS11, ENABLE_CLIENT_CR */