-#include "inspircd_config.h"
-#include "inspstring.h"
-
/*
- * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
- * All rights reserved.
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ * Copyright (C) 2010 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2005-2007 Craig Edwards <craigedwards@brainbox.cc>
+ *
+ * This file is part of InspIRCd. InspIRCd is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation, version 2.
*
- * 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. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
*
- * THIS SOFTWARE IS PROVIDED `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 AUTHOR 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.
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-
-#ifndef HAVE_STRLCPY
-size_t strlcat(char *dst, const char *src, size_t siz)
-{
- char *d = dst;
- const char *s = src;
- size_t n = siz, dlen;
- while (n-- != 0 && *d != '\0')
- d++;
- dlen = d - dst;
- n = siz - dlen;
+#include "inspircd.h"
- if (n == 0)
- return(dlen + strlen(s));
+static const char hextable[] = "0123456789abcdef";
- while (*s != '\0')
- {
- if (n != 1)
- {
- *d++ = *s;
- n--;
- }
+std::string BinToHex(const void* raw, size_t l)
+{
+ const char* data = static_cast<const char*>(raw);
+ std::string rv;
+ rv.reserve(l * 2);
+ for (size_t i = 0; i < l; i++)
+ {
+ unsigned char c = data[i];
+ rv.push_back(hextable[c >> 4]);
+ rv.push_back(hextable[c & 0xF]);
+ }
+ return rv;
+}
- s++;
- }
+static const char b64table[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
- *d = '\0';
- return(dlen + (s - src)); /* count does not include NUL */
+std::string BinToBase64(const std::string& data_str, const char* table, char pad)
+{
+ if (!table)
+ table = b64table;
+
+ uint32_t buffer;
+ uint8_t* data = (uint8_t*)data_str.data();
+ std::string rv;
+ size_t i = 0;
+ while (i + 2 < data_str.length())
+ {
+ buffer = (data[i] << 16 | data[i+1] << 8 | data[i+2]);
+ rv.push_back(table[0x3F & (buffer >> 18)]);
+ rv.push_back(table[0x3F & (buffer >> 12)]);
+ rv.push_back(table[0x3F & (buffer >> 6)]);
+ rv.push_back(table[0x3F & (buffer >> 0)]);
+ i += 3;
+ }
+ if (data_str.length() == i)
+ {
+ // no extra characters
+ }
+ else if (data_str.length() == i + 1)
+ {
+ buffer = data[i] << 16;
+ rv.push_back(table[0x3F & (buffer >> 18)]);
+ rv.push_back(table[0x3F & (buffer >> 12)]);
+ if (pad)
+ {
+ rv.push_back(pad);
+ rv.push_back(pad);
+ }
+ }
+ else if (data_str.length() == i + 2)
+ {
+ buffer = (data[i] << 16 | data[i+1] << 8);
+ rv.push_back(table[0x3F & (buffer >> 18)]);
+ rv.push_back(table[0x3F & (buffer >> 12)]);
+ rv.push_back(table[0x3F & (buffer >> 6)]);
+ if (pad)
+ rv.push_back(pad);
+ }
+ return rv;
}
-size_t strlcpy(char *dst, const char *src, size_t siz)
+std::string Base64ToBin(const std::string& data_str, const char* table)
{
- char *d = dst;
- const char *s = src;
- size_t n = siz;
+ if (!table)
+ table = b64table;
- /* Copy as many bytes as will fit */
- if (n != 0 && --n != 0)
- {
- do
- {
- if ((*d++ = *s++) == 0)
- break;
- } while (--n != 0);
- }
+ int bitcount = 0;
+ uint32_t buffer = 0;
+ const char* data = data_str.c_str();
+ std::string rv;
+ while (true)
+ {
+ const char* find = strchr(table, *data++);
+ if (!find || find >= table + 64)
+ break;
+ buffer = (buffer << 6) | (find - table);
+ bitcount += 6;
+ if (bitcount >= 8)
+ {
+ bitcount -= 8;
+ rv.push_back((buffer >> bitcount) & 0xFF);
+ }
+ }
+ return rv;
+}
+
+bool InspIRCd::TimingSafeCompare(const std::string& one, const std::string& two)
+{
+ if (one.length() != two.length())
+ return false;
- /* Not enough room in dst, add NUL and traverse rest of src */
- if (n == 0)
- {
- if (siz != 0)
- *d = '\0'; /* NUL-terminate dst */
- while (*s++)
- ;
- }
+ unsigned int diff = 0;
+ for (std::string::const_iterator i = one.begin(), j = two.begin(); i != one.end(); ++i, ++j)
+ {
+ unsigned char a = static_cast<unsigned char>(*i);
+ unsigned char b = static_cast<unsigned char>(*j);
+ diff |= a ^ b;
+ }
- return(s - src - 1); /* count does not include NUL */
+ return (diff == 0);
}
-#endif
projects / user / henk / code / inspircd.git / blobdiff