aboutsummaryrefslogtreecommitdiff
path: root/lib
diff options
context:
space:
mode:
Diffstat (limited to 'lib')
-rw-r--r--lib/base64.c243
-rw-r--r--lib/base64.h75
-rw-r--r--lib/base64_krb.c147
-rw-r--r--lib/base64_krb.h47
4 files changed, 171 insertions, 341 deletions
diff --git a/lib/base64.c b/lib/base64.c
index 67204771a..c67650eb3 100644
--- a/lib/base64.c
+++ b/lib/base64.c
@@ -1,118 +1,147 @@
-/*****************************************************************************
- * _ _ ____ _
- * Project ___| | | | _ \| |
- * / __| | | | |_) | |
- * | (__| |_| | _ <| |___
- * \___|\___/|_| \_\_____|
- *
- * The contents of this file are subject to the Mozilla Public License
- * Version 1.0 (the "License"); you may not use this file except in
- * compliance with the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS"
- * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
- * License for the specific language governing rights and limitations
- * under the License.
- *
- * The Original Code is Curl.
- *
- * The Initial Developer of the Original Code is Daniel Stenberg.
- *
- * Portions created by the Initial Developer are Copyright (C) 1998.
- * All Rights Reserved.
- *
- * ------------------------------------------------------------
- * Main author:
- * - Daniel Stenberg <daniel@haxx.se>
- *
- * http://curl.haxx.se
- *
- * $Source$
- * $Revision$
- * $Date$
- * $Author$
- * $State$
- * $Locker$
- *
- * ------------------------------------------------------------
- ****************************************************************************/
-
-#include <stdio.h>
-
-/* ---- Base64 Encoding --- */
-static char table64[]=
- "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
-
/*
- * base64Encode()
- *
- * Returns the length of the newly created base64 string. The third argument
- * is a pointer to an allocated area holding the base64 data. If something
- * went wrong, -1 is returned.
- *
- * Modifed my version to resemble the krb4 one. The krb4 sources then won't
- * need its own.
- *
+ * Copyright (c) 1995 - 1999 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.
*/
-int base64Encode(char *indata, int insize, char **outptr)
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdlib.h>
+#include <string.h>
+#include "base64.h"
+
+static char base64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+
+static int pos(char c)
{
- unsigned char ibuf[3];
- unsigned char obuf[4];
- int i;
- int inputparts;
- char *output;
- char *base64data;
+ char *p;
+ for(p = base64; *p; p++)
+ if(*p == c)
+ return p - base64;
+ return -1;
+}
- if(0 == insize)
- insize = strlen(indata);
+#if 1
+int base64_encode(const void *data, int size, char **str)
+{
+ char *s, *p;
+ int i;
+ int c;
+ const unsigned char *q;
- base64data = output = (char*)malloc(insize*4/3+4);
- if(NULL == output)
- return -1;
+ 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[(c&0x00fc0000) >> 18];
+ p[1]=base64[(c&0x0003f000) >> 12];
+ p[2]=base64[(c&0x00000fc0) >> 6];
+ p[3]=base64[(c&0x0000003f) >> 0];
+ if(i > size)
+ p[3]='=';
+ if(i > size+1)
+ p[2]='=';
+ p+=4;
+ }
+ *p=0;
+ *str = s;
+ return strlen(s);
+}
+#endif
- while(insize > 0) {
- for (i = inputparts = 0; i < 3; i++) {
- if(*indata) {
- inputparts++;
- ibuf[i] = *indata;
- indata++;
- insize--;
- }
+int base64_decode(const char *str, void *data)
+{
+ const char *p;
+ unsigned char *q;
+ int c;
+ int x;
+ int done = 0;
+ q=(unsigned char*)data;
+ for(p=str; *p && !done; p+=4){
+ x = pos(p[0]);
+ if(x >= 0)
+ c = x;
+ else{
+ done = 3;
+ break;
+ }
+ c*=64;
+
+ x = pos(p[1]);
+ if(x >= 0)
+ c += x;
+ else
+ return -1;
+ c*=64;
+
+ if(p[2] == '=')
+ done++;
+ else{
+ x = pos(p[2]);
+ if(x >= 0)
+ c += x;
else
- ibuf[i] = 0;
+ return -1;
}
-
- obuf [0] = (ibuf [0] & 0xFC) >> 2;
- obuf [1] = ((ibuf [0] & 0x03) << 4) | ((ibuf [1] & 0xF0) >> 4);
- obuf [2] = ((ibuf [1] & 0x0F) << 2) | ((ibuf [2] & 0xC0) >> 6);
- obuf [3] = ibuf [2] & 0x3F;
-
- switch(inputparts) {
- case 1: /* only one byte read */
- sprintf(output, "%c%c==",
- table64[obuf[0]],
- table64[obuf[1]]);
- break;
- case 2: /* two bytes read */
- sprintf(output, "%c%c%c=",
- table64[obuf[0]],
- table64[obuf[1]],
- table64[obuf[2]]);
- break;
- default:
- sprintf(output, "%c%c%c%c",
- table64[obuf[0]],
- table64[obuf[1]],
- table64[obuf[2]],
- table64[obuf[3]] );
- break;
+ c*=64;
+
+ if(p[3] == '=')
+ done++;
+ else{
+ if(done)
+ return -1;
+ x = pos(p[3]);
+ if(x >= 0)
+ c += x;
+ else
+ return -1;
}
- output += 4;
+ if(done < 3)
+ *q++=(c&0x00ff0000)>>16;
+
+ if(done < 2)
+ *q++=(c&0x0000ff00)>>8;
+ if(done < 1)
+ *q++=(c&0x000000ff)>>0;
}
- *output=0;
- *outptr = base64data; /* make it return the actual data memory */
-
- return strlen(base64data); /* return the length of the new data */
+ return q - (unsigned char*)data;
}
-/* ---- End of Base64 Encoding ---- */
diff --git a/lib/base64.h b/lib/base64.h
index 05ff71f0c..dbd94ca0c 100644
--- a/lib/base64.h
+++ b/lib/base64.h
@@ -1,44 +1,39 @@
+/*
+ * Copyright (c) 1995, 1996, 1997 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.
+ */
+
#ifndef __BASE64_H
#define __BASE64_H
-/*****************************************************************************
- * _ _ ____ _
- * Project ___| | | | _ \| |
- * / __| | | | |_) | |
- * | (__| |_| | _ <| |___
- * \___|\___/|_| \_\_____|
- *
- * The contents of this file are subject to the Mozilla Public License
- * Version 1.0 (the "License"); you may not use this file except in
- * compliance with the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS"
- * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
- * License for the specific language governing rights and limitations
- * under the License.
- *
- * The Original Code is Curl.
- *
- * The Initial Developer of the Original Code is Daniel Stenberg.
- *
- * Portions created by the Initial Developer are Copyright (C) 1998.
- * All Rights Reserved.
- *
- * ------------------------------------------------------------
- * Main author:
- * - Daniel Stenberg <daniel@haxx.se>
- *
- * http://curl.haxx.se
- *
- * $Source$
- * $Revision$
- * $Date$
- * $Author$
- * $State$
- * $Locker$
- *
- * ------------------------------------------------------------
- ****************************************************************************/
-int base64Encode(char *indata, int insize, char **output);
+int base64_encode(const void *data, int size, char **str);
+
#endif
diff --git a/lib/base64_krb.c b/lib/base64_krb.c
deleted file mode 100644
index 6dae1f573..000000000
--- a/lib/base64_krb.c
+++ /dev/null
@@ -1,147 +0,0 @@
-/*
- * Copyright (c) 1995 - 1999 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.
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include <stdlib.h>
-#include <string.h>
-#include "base64_krb.h"
-
-static char base64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
-
-static int pos(char c)
-{
- char *p;
- for(p = base64; *p; p++)
- if(*p == c)
- return p - base64;
- return -1;
-}
-
-#if 1
-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[(c&0x00fc0000) >> 18];
- p[1]=base64[(c&0x0003f000) >> 12];
- p[2]=base64[(c&0x00000fc0) >> 6];
- p[3]=base64[(c&0x0000003f) >> 0];
- if(i > size)
- p[3]='=';
- if(i > size+1)
- p[2]='=';
- p+=4;
- }
- *p=0;
- *str = s;
- return strlen(s);
-}
-#endif
-
-int base64_decode(const char *str, void *data)
-{
- const char *p;
- unsigned char *q;
- int c;
- int x;
- int done = 0;
- q=(unsigned char*)data;
- for(p=str; *p && !done; p+=4){
- x = pos(p[0]);
- if(x >= 0)
- c = x;
- else{
- done = 3;
- break;
- }
- c*=64;
-
- x = pos(p[1]);
- if(x >= 0)
- c += x;
- else
- return -1;
- c*=64;
-
- if(p[2] == '=')
- done++;
- else{
- x = pos(p[2]);
- if(x >= 0)
- c += x;
- else
- return -1;
- }
- c*=64;
-
- if(p[3] == '=')
- done++;
- else{
- if(done)
- return -1;
- x = pos(p[3]);
- if(x >= 0)
- c += x;
- else
- return -1;
- }
- if(done < 3)
- *q++=(c&0x00ff0000)>>16;
-
- if(done < 2)
- *q++=(c&0x0000ff00)>>8;
- if(done < 1)
- *q++=(c&0x000000ff)>>0;
- }
- return q - (unsigned char*)data;
-}
diff --git a/lib/base64_krb.h b/lib/base64_krb.h
deleted file mode 100644
index 3aee73310..000000000
--- a/lib/base64_krb.h
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * Copyright (c) 1995, 1996, 1997 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.
- */
-
-/* $Id$ */
-
-#ifndef _BASE64_H_
-#define _BASE64_H_
-
-#if 1
-int base64_encode(const void *data, int size, char **str);
-#else
-#define base64_encode(x,y,z) base64Encode(x,y,z)
-#endif
-
-int base64_decode(const char *str, void *data);
-
-#endif