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author | Bjørn Lindeijer <bjorn@lindeijer.nl> | 2005-07-25 00:19:33 +0000 |
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committer | Bjørn Lindeijer <bjorn@lindeijer.nl> | 2005-07-25 00:19:33 +0000 |
commit | cf471fa3f8b7aec3d44db4515536c78098a6011a (patch) | |
tree | 7a876b4cd15b4ab2a0b2f133fb1cfccfbee725d9 /src/utils/base64.cpp | |
parent | b54666222ca5020438aa9151a51a295269b1b319 (diff) | |
download | manaserv-cf471fa3f8b7aec3d44db4515536c78098a6011a.tar.gz manaserv-cf471fa3f8b7aec3d44db4515536c78098a6011a.tar.bz2 manaserv-cf471fa3f8b7aec3d44db4515536c78098a6011a.tar.xz manaserv-cf471fa3f8b7aec3d44db4515536c78098a6011a.zip |
Added modified Map, MapReader, ResourceManager classes and base64 functions
from client to server. Nothing tested yet, just made sure it still compiled.
Diffstat (limited to 'src/utils/base64.cpp')
-rw-r--r-- | src/utils/base64.cpp | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/src/utils/base64.cpp b/src/utils/base64.cpp new file mode 100644 index 00000000..e2df07de --- /dev/null +++ b/src/utils/base64.cpp @@ -0,0 +1,152 @@ +/* + +----------------------------------------------------------------------+ + | PHP version 4.0 | + +----------------------------------------------------------------------+ + | Copyright (c) 1997, 1998, 1999, 2000 The PHP Group | + +----------------------------------------------------------------------+ + | This source file is subject to version 2.02 of the PHP license, | + | that is bundled with this package in the file LICENSE, and is | + | available at through the world-wide-web at | + | http://www.php.net/license/2_02.txt. | + | If you did not receive a copy of the PHP license and are unable to | + | obtain it through the world-wide-web, please send a note to | + | license@php.net so we can mail you a copy immediately. | + +----------------------------------------------------------------------+ + | Author: Jim Winstead (jimw@php.net) | + +----------------------------------------------------------------------+ + */ +/* $Id$ */ + +#include <string.h> +#include <stdlib.h> + +#include "base64.h" + +static char base64_table[] = +{ + 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', + 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', + 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', + 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', + '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '/', '\0' +}; +static char base64_pad = '='; + +unsigned char *php_base64_encode(const unsigned char *str, int length, int *ret_length) { + const unsigned char *current = str; + int i = 0; + unsigned char *result = (unsigned char *)malloc(((length + 3 - length % 3) * 4 / 3 + 1) * sizeof(char)); + + while (length > 2) { /* keep going until we have less than 24 bits */ + result[i++] = base64_table[current[0] >> 2]; + result[i++] = base64_table[((current[0] & 0x03) << 4) + (current[1] >> 4)]; + result[i++] = base64_table[((current[1] & 0x0f) << 2) + (current[2] >> 6)]; + result[i++] = base64_table[current[2] & 0x3f]; + + current += 3; + length -= 3; /* we just handle 3 octets of data */ + } + + /* now deal with the tail end of things */ + if (length != 0) { + result[i++] = base64_table[current[0] >> 2]; + if (length > 1) { + result[i++] = base64_table[((current[0] & 0x03) << 4) + (current[1] >> 4)]; + result[i++] = base64_table[(current[1] & 0x0f) << 2]; + result[i++] = base64_pad; + } + else { + result[i++] = base64_table[(current[0] & 0x03) << 4]; + result[i++] = base64_pad; + result[i++] = base64_pad; + } + } + if(ret_length) { + *ret_length = i; + } + result[i] = '\0'; + return result; +} + +/* as above, but backwards. :) */ +unsigned char *php_base64_decode(const unsigned char *str, int length, int *ret_length) { + const unsigned char *current = str; + int ch, i = 0, j = 0, k; + /* this sucks for threaded environments */ + static short reverse_table[256]; + static int table_built; + unsigned char *result; + + if (++table_built == 1) { + char *chp; + for(ch = 0; ch < 256; ch++) { + chp = strchr(base64_table, ch); + if(chp) { + reverse_table[ch] = chp - base64_table; + } else { + reverse_table[ch] = -1; + } + } + } + + result = (unsigned char *)malloc(length + 1); + if (result == NULL) { + return NULL; + } + + /* run through the whole string, converting as we go */ + while ((ch = *current++) != '\0') { + if (ch == base64_pad) break; + + /* When Base64 gets POSTed, all pluses are interpreted as spaces. + This line changes them back. It's not exactly the Base64 spec, + but it is completely compatible with it (the spec says that + spaces are invalid). This will also save many people considerable + headache. - Turadg Aleahmad <turadg@wise.berkeley.edu> + */ + + if (ch == ' ') ch = '+'; + + ch = reverse_table[ch]; + if (ch < 0) continue; + + switch(i % 4) { + case 0: + result[j] = ch << 2; + break; + case 1: + result[j++] |= ch >> 4; + result[j] = (ch & 0x0f) << 4; + break; + case 2: + result[j++] |= ch >>2; + result[j] = (ch & 0x03) << 6; + break; + case 3: + result[j++] |= ch; + break; + } + i++; + } + + k = j; + /* mop things up if we ended on a boundary */ + if (ch == base64_pad) { + switch(i % 4) { + case 0: + case 1: + free(result); + return NULL; + case 2: + k++; + case 3: + result[k++] = 0; + } + } + if(ret_length) { + *ret_length = j; + } + result[k] = '\0'; + return result; +} + |