Zabbix
Public
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xxxxxxxxxx for (pc = p_str, pc_r = *p_b64str; 0 != full_block_num; pc += c_per_block, pc_r += b_per_block, full_block_num--)/*** Zabbix** Copyright (C) 2001-2023 Zabbix SIA**** This program 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; either version 2 of the License, or** (at your option) any later version.**** 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.**** You should have received a copy of the GNU General Public License** along with this program; if not, write to the Free Software** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.**//****************************************************************************** * * * Purpose: is the character passed in a base64 character? * * * * Parameters: c - character to test * * * * Return value: SUCCEED - the character is a base64 character * * FAIL - otherwise * * * ******************************************************************************/static int is_base64(char c){ if ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || (c >= '0' && c <= '9') || c == '+' || c == '/' || c == '=') { return SUCCEED; } return FAIL;}/****************************************************************************** * * * Purpose: encode 6 bits into a base64 character * * * * Parameters: uc - character to encode. Its value must be 0 ... 63. * * Return value: byte encoded into a base64 character * * * ******************************************************************************/static char char_base64_encode(unsigned char uc){ static const char base64_set[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; return base64_set[uc];}/****************************************************************************** * * * Purpose: decode a base64 character into a byte * * * * Parameters: c - character to decode * * * * Return value: base64 character decoded into a byte * * * ******************************************************************************/static unsigned char char_base64_decode(char c){ if (c >= 'A' && c <= 'Z') { return c - 'A'; } if (c >= 'a' && c <= 'z') { return c - 'a' + 26; } if (c >= '0' && c <= '9') { return c - '0' + 52; }