2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2005-2010 Daniel Braniss <danny@cs.huji.ac.il>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 | $Id: misc.c,v 2.1 2006/11/12 08:06:51 danny Exp $
34 #include <sys/cdefs.h>
35 __FBSDID("$FreeBSD$");
37 #include <sys/param.h>
38 #include <sys/types.h>
39 #include <sys/socket.h>
40 #include <sys/sysctl.h>
42 #include <netinet/in.h>
43 #include <netinet/tcp.h>
44 #include <arpa/inet.h>
49 #include <dev/iscsi_initiator/iscsi.h>
50 #include "iscontrol.h"
66 static char base64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
67 "abcdefghijklmnopqrstuvwxyz"
70 static __inline unsigned char
71 c64tobin(unsigned char c64)
74 for(i = 0; i < 64; i++)
80 | according to rfc3720, the binary string
81 | cannot be larger than 1024 - but i can't find it :-) XXX
85 str2bin(char *str, char **rsp)
87 char *src, *dst, *tmp;
92 if(strncasecmp("0x", src, 2) == 0) {
96 if((tmp = malloc((len+1)/2)) == NULL) {
97 // XXX: print some error?
102 *dst++ = c2b(*src++);
104 *dst = c2b(*src++) << 4;
105 *dst++ |= c2b(*src++);
109 if(strncasecmp("0b", src , 2) == 0) {
114 len = strlen(src) / 4 * 3;
115 if((tmp = malloc(len)) == NULL) {
116 // XXX: print some error?
121 while(*src && ((b6 = c64tobin(*src++)) != 64)) {
144 | assume it to be an ascii string, so just copy it
147 if((tmp = malloc(len)) == NULL)
160 bin2str(char *encoding, unsigned char *md, int blen)
166 if(strncasecmp(encoding, "0x", 2) == 0) {
170 dst = malloc(len + 3);
171 strcpy(dst, encoding);
174 sprintf(ofmt, "%%02%c", encoding[1]);
176 sprintf(ds, ofmt, *cp++);
182 if(strncasecmp(encoding, "0b", 2) == 0) {
185 len = (blen + 2) * 4 / 3;
186 dst = malloc(len + 3);
187 strcpy(dst, encoding);
190 b6 = 0; // to keep compiler happy.
191 for(i = 0; i < blen; i++) {
194 *ds++ = base64[*cp >> 2];
195 b6 = (*cp & 0x3) << 4;
200 b6 = (*cp & 0xf) << 2;
205 *ds++ = base64[*cp & 0x3f];