[b7d3cc34] | 1 | /********************************************************************\ |
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| 2 | * BitlBee -- An IRC to other IM-networks gateway * |
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| 3 | * * |
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| 4 | * Copyright 2002-2004 Wilmer van der Gaast and others * |
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| 5 | \********************************************************************/ |
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| 6 | |
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| 7 | /* |
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| 8 | * nogaim |
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| 9 | * |
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| 10 | * Gaim without gaim - for BitlBee |
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| 11 | * |
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| 12 | * Copyright (C) 1998-1999, Mark Spencer <markster@marko.net> |
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| 13 | * (and possibly other members of the Gaim team) |
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| 14 | * Copyright 2002-2004 Wilmer van der Gaast <lintux@lintux.cx> |
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| 15 | */ |
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| 16 | |
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| 17 | /* |
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| 18 | This program is free software; you can redistribute it and/or modify |
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| 19 | it under the terms of the GNU General Public License as published by |
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| 20 | the Free Software Foundation; either version 2 of the License, or |
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| 21 | (at your option) any later version. |
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| 22 | |
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| 23 | This program is distributed in the hope that it will be useful, |
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| 24 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 25 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 26 | GNU General Public License for more details. |
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| 27 | |
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| 28 | You should have received a copy of the GNU General Public License with |
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| 29 | the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL; |
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| 30 | if not, write to the Free Software Foundation, Inc., 59 Temple Place, |
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| 31 | Suite 330, Boston, MA 02111-1307 USA |
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| 32 | */ |
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| 33 | |
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| 34 | /* Parts from util.c from gaim needed by nogaim */ |
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| 35 | #define BITLBEE_CORE |
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| 36 | #include "nogaim.h" |
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| 37 | #include <stdio.h> |
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| 38 | #include <stdlib.h> |
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| 39 | #include <string.h> |
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| 40 | #include <glib.h> |
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| 41 | #include <time.h> |
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| 42 | |
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| 43 | char *utf8_to_str(const char *in) |
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| 44 | { |
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| 45 | int n = 0, i = 0; |
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| 46 | int inlen; |
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| 47 | char *result; |
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| 48 | |
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| 49 | if (!in) |
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| 50 | return NULL; |
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| 51 | |
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| 52 | inlen = strlen(in); |
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| 53 | |
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| 54 | result = g_malloc(inlen + 1); |
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| 55 | |
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| 56 | while (n <= inlen - 1) { |
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| 57 | long c = (long)in[n]; |
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| 58 | if (c < 0x80) |
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| 59 | result[i++] = (char)c; |
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| 60 | else { |
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| 61 | if ((c & 0xC0) == 0xC0) |
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| 62 | result[i++] = |
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| 63 | (char)(((c & 0x03) << 6) | (((unsigned char)in[++n]) & 0x3F)); |
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| 64 | else if ((c & 0xE0) == 0xE0) { |
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| 65 | if (n + 2 <= inlen) { |
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| 66 | result[i] = |
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| 67 | (char)(((c & 0xF) << 4) | (((unsigned char)in[++n]) & 0x3F)); |
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| 68 | result[i] = |
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| 69 | (char)(((unsigned char)result[i]) | |
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| 70 | (((unsigned char)in[++n]) & 0x3F)); |
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| 71 | i++; |
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| 72 | } else |
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| 73 | n += 2; |
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| 74 | } else if ((c & 0xF0) == 0xF0) |
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| 75 | n += 3; |
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| 76 | else if ((c & 0xF8) == 0xF8) |
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| 77 | n += 4; |
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| 78 | else if ((c & 0xFC) == 0xFC) |
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| 79 | n += 5; |
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| 80 | } |
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| 81 | n++; |
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| 82 | } |
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| 83 | result[i] = '\0'; |
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| 84 | |
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| 85 | return result; |
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| 86 | } |
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| 87 | |
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| 88 | char *str_to_utf8(const char *in) |
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| 89 | { |
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| 90 | int n = 0, i = 0; |
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| 91 | int inlen; |
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| 92 | char *result = NULL; |
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| 93 | |
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| 94 | if (!in) |
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| 95 | return NULL; |
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| 96 | |
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| 97 | inlen = strlen(in); |
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| 98 | |
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| 99 | result = g_malloc(inlen * 2 + 1); |
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| 100 | |
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| 101 | while (n < inlen) { |
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| 102 | long c = (long)in[n]; |
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| 103 | if (c == 27) { |
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| 104 | n += 2; |
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| 105 | if (in[n] == 'x') |
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| 106 | n++; |
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| 107 | if (in[n] == '3') |
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| 108 | n++; |
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| 109 | n += 2; |
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| 110 | continue; |
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| 111 | } |
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| 112 | /* why are we removing newlines and carriage returns? |
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| 113 | if ((c == 0x0D) || (c == 0x0A)) { |
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| 114 | n++; |
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| 115 | continue; |
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| 116 | } |
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| 117 | */ |
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| 118 | if (c < 128) |
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| 119 | result[i++] = (char)c; |
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| 120 | else { |
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| 121 | result[i++] = (char)((c >> 6) | 192); |
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| 122 | result[i++] = (char)((c & 63) | 128); |
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| 123 | } |
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| 124 | n++; |
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| 125 | } |
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| 126 | result[i] = '\0'; |
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| 127 | |
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| 128 | return result; |
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| 129 | } |
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| 130 | |
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| 131 | void strip_linefeed(gchar *text) |
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| 132 | { |
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| 133 | int i, j; |
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| 134 | gchar *text2 = g_malloc(strlen(text) + 1); |
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| 135 | |
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| 136 | for (i = 0, j = 0; text[i]; i++) |
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| 137 | if (text[i] != '\r') |
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| 138 | text2[j++] = text[i]; |
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| 139 | text2[j] = '\0'; |
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| 140 | |
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| 141 | strcpy(text, text2); |
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| 142 | g_free(text2); |
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| 143 | } |
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| 144 | |
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| 145 | char *add_cr(char *text) |
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| 146 | { |
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| 147 | char *ret = NULL; |
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| 148 | int count = 0, j; |
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| 149 | unsigned int i; |
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| 150 | |
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| 151 | if (text[0] == '\n') |
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| 152 | count++; |
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| 153 | for (i = 1; i < strlen(text); i++) |
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| 154 | if (text[i] == '\n' && text[i - 1] != '\r') |
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| 155 | count++; |
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| 156 | |
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| 157 | if (count == 0) |
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| 158 | return g_strdup(text); |
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| 159 | |
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| 160 | ret = g_malloc0(strlen(text) + count + 1); |
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| 161 | |
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| 162 | i = 0; j = 0; |
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| 163 | if (text[i] == '\n') |
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| 164 | ret[j++] = '\r'; |
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| 165 | ret[j++] = text[i++]; |
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| 166 | for (; i < strlen(text); i++) { |
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| 167 | if (text[i] == '\n' && text[i - 1] != '\r') |
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| 168 | ret[j++] = '\r'; |
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| 169 | ret[j++] = text[i]; |
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| 170 | } |
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| 171 | |
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| 172 | return ret; |
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| 173 | } |
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| 174 | |
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| 175 | static char alphabet[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz" "0123456789+/"; |
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| 176 | |
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| 177 | /* XXX Find bug */ |
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| 178 | char *tobase64(const char *text) |
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| 179 | { |
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| 180 | char *out = NULL; |
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| 181 | const char *c; |
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| 182 | unsigned int tmp = 0; |
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| 183 | int len = 0, n = 0; |
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| 184 | |
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| 185 | c = text; |
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| 186 | |
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| 187 | while (*c) { |
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| 188 | tmp = tmp << 8; |
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| 189 | tmp += *c; |
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| 190 | n++; |
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| 191 | |
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| 192 | if (n == 3) { |
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| 193 | out = g_realloc(out, len + 4); |
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| 194 | out[len] = alphabet[(tmp >> 18) & 0x3f]; |
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| 195 | out[len + 1] = alphabet[(tmp >> 12) & 0x3f]; |
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| 196 | out[len + 2] = alphabet[(tmp >> 6) & 0x3f]; |
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| 197 | out[len + 3] = alphabet[tmp & 0x3f]; |
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| 198 | len += 4; |
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| 199 | tmp = 0; |
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| 200 | n = 0; |
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| 201 | } |
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| 202 | c++; |
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| 203 | } |
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| 204 | switch (n) { |
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| 205 | |
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| 206 | case 2: |
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| 207 | tmp <<= 8; |
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| 208 | out = g_realloc(out, len + 5); |
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| 209 | out[len] = alphabet[(tmp >> 18) & 0x3f]; |
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| 210 | out[len + 1] = alphabet[(tmp >> 12) & 0x3f]; |
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| 211 | out[len + 2] = alphabet[(tmp >> 6) & 0x3f]; |
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| 212 | out[len + 3] = '='; |
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| 213 | out[len + 4] = 0; |
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| 214 | break; |
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| 215 | case 1: |
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| 216 | tmp <<= 16; |
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| 217 | out = g_realloc(out, len + 5); |
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| 218 | out[len] = alphabet[(tmp >> 18) & 0x3f]; |
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| 219 | out[len + 1] = alphabet[(tmp >> 12) & 0x3f]; |
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| 220 | out[len + 2] = '='; |
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| 221 | out[len + 3] = '='; |
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| 222 | out[len + 4] = 0; |
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| 223 | break; |
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| 224 | case 0: |
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| 225 | out = g_realloc(out, len + 1); |
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| 226 | out[len] = 0; |
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| 227 | break; |
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| 228 | } |
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| 229 | return out; |
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| 230 | } |
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| 231 | |
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| 232 | char *normalize(const char *s) |
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| 233 | { |
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| 234 | static char buf[BUF_LEN]; |
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| 235 | char *t, *u; |
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| 236 | int x = 0; |
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| 237 | |
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| 238 | g_return_val_if_fail((s != NULL), NULL); |
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| 239 | |
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| 240 | u = t = g_strdup(s); |
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| 241 | |
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| 242 | strcpy(t, s); |
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| 243 | g_strdown(t); |
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| 244 | |
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| 245 | while (*t && (x < BUF_LEN - 1)) { |
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| 246 | if (*t != ' ') { |
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| 247 | buf[x] = *t; |
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| 248 | x++; |
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| 249 | } |
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| 250 | t++; |
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| 251 | } |
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| 252 | buf[x] = '\0'; |
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| 253 | g_free(u); |
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| 254 | return buf; |
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| 255 | } |
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| 256 | |
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| 257 | time_t get_time(int year, int month, int day, int hour, int min, int sec) |
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| 258 | { |
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| 259 | struct tm tm; |
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| 260 | |
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| 261 | tm.tm_year = year - 1900; |
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| 262 | tm.tm_mon = month - 1; |
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| 263 | tm.tm_mday = day; |
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| 264 | tm.tm_hour = hour; |
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| 265 | tm.tm_min = min; |
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| 266 | tm.tm_sec = sec >= 0 ? sec : time(NULL) % 60; |
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| 267 | return mktime(&tm); |
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| 268 | } |
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| 269 | |
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| 270 | typedef struct htmlentity |
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| 271 | { |
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| 272 | char code[8]; |
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| 273 | char is; |
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| 274 | } htmlentity_t; |
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| 275 | |
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| 276 | /* FIXME: This is ISO8859-1(5) centric, so might cause problems with other charsets. */ |
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| 277 | |
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| 278 | static htmlentity_t ent[] = |
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| 279 | { |
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| 280 | { "lt", '<' }, |
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| 281 | { "gt", '>' }, |
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| 282 | { "amp", '&' }, |
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| 283 | { "quot", '"' }, |
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| 284 | { "aacute", 'á' }, |
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| 285 | { "eacute", 'é' }, |
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| 286 | { "iacute", 'é' }, |
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| 287 | { "oacute", 'ó' }, |
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| 288 | { "uacute", 'ú' }, |
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| 289 | { "agrave", 'à' }, |
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| 290 | { "egrave", 'è' }, |
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| 291 | { "igrave", 'ì' }, |
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| 292 | { "ograve", 'ò' }, |
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| 293 | { "ugrave", 'ù' }, |
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| 294 | { "acirc", 'â' }, |
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| 295 | { "ecirc", 'ê' }, |
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| 296 | { "icirc", 'î' }, |
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| 297 | { "ocirc", 'ô' }, |
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| 298 | { "ucirc", 'û' }, |
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| 299 | { "nbsp", ' ' }, |
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| 300 | { "", 0 } |
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| 301 | }; |
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| 302 | |
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| 303 | void strip_html( char *in ) |
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| 304 | { |
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| 305 | char *start = in; |
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| 306 | char *out = g_malloc( strlen( in ) + 1 ); |
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| 307 | char *s = out, *cs; |
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| 308 | int i, matched; |
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| 309 | |
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| 310 | memset( out, 0, strlen( in ) + 1 ); |
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| 311 | |
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| 312 | while( *in ) |
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| 313 | { |
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| 314 | if( *in == '<' && ( isalpha( *(in+1) ) || *(in+1) == '/' ) ) |
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| 315 | { |
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| 316 | /* If in points at a < and in+1 points at a letter or a slash, this is probably |
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| 317 | a HTML-tag. Try to find a closing > and continue there. If the > can't be |
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| 318 | found, assume that it wasn't a HTML-tag after all. */ |
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| 319 | |
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| 320 | cs = in; |
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| 321 | |
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| 322 | while( *in && *in != '>' ) |
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| 323 | in ++; |
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| 324 | |
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| 325 | if( *in ) |
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| 326 | { |
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| 327 | if( g_strncasecmp( cs+1, "br", 2) == 0 ) |
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| 328 | *(s++) = '\n'; |
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| 329 | in ++; |
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| 330 | } |
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| 331 | else |
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| 332 | { |
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| 333 | in = cs; |
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| 334 | *(s++) = *(in++); |
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| 335 | } |
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| 336 | } |
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| 337 | else if( *in == '&' ) |
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| 338 | { |
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| 339 | cs = ++in; |
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| 340 | while( *in && isalpha( *in ) ) |
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| 341 | in ++; |
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| 342 | |
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| 343 | if( *in == ';' ) in ++; |
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| 344 | matched = 0; |
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| 345 | |
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| 346 | for( i = 0; *ent[i].code; i ++ ) |
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| 347 | if( g_strncasecmp( ent[i].code, cs, strlen( ent[i].code ) ) == 0 ) |
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| 348 | { |
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| 349 | *(s++) = ent[i].is; |
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| 350 | matched = 1; |
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| 351 | break; |
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| 352 | } |
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| 353 | |
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| 354 | /* None of the entities were matched, so return the string */ |
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| 355 | if( !matched ) |
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| 356 | { |
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| 357 | in = cs - 1; |
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| 358 | *(s++) = *(in++); |
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| 359 | } |
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| 360 | } |
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| 361 | else |
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| 362 | { |
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| 363 | *(s++) = *(in++); |
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| 364 | } |
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| 365 | } |
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| 366 | |
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| 367 | strcpy( start, out ); |
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| 368 | g_free( out ); |
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| 369 | } |
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| 370 | |
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| 371 | char *escape_html( const char *html ) |
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| 372 | { |
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| 373 | const char *c = html; |
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| 374 | GString *ret; |
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| 375 | char *str; |
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| 376 | |
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| 377 | if( html == NULL ) |
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| 378 | return( NULL ); |
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| 379 | if( g_strncasecmp( html, "<html>", 6 ) == 0 ) |
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| 380 | return( g_strdup( html ) ); |
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| 381 | |
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| 382 | ret = g_string_new( "" ); |
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| 383 | |
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| 384 | while( *c ) |
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| 385 | { |
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| 386 | switch( *c ) |
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| 387 | { |
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| 388 | case '&': |
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| 389 | ret = g_string_append( ret, "&" ); |
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| 390 | break; |
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| 391 | case '<': |
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| 392 | ret = g_string_append( ret, "<" ); |
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| 393 | break; |
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| 394 | case '>': |
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| 395 | ret = g_string_append( ret, ">" ); |
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| 396 | break; |
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| 397 | case '"': |
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| 398 | ret = g_string_append( ret, """ ); |
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| 399 | break; |
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| 400 | default: |
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| 401 | ret = g_string_append_c( ret, *c ); |
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| 402 | } |
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| 403 | c ++; |
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| 404 | } |
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| 405 | |
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| 406 | str = ret->str; |
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| 407 | g_string_free( ret, FALSE ); |
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| 408 | return( str ); |
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| 409 | } |
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| 410 | |
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| 411 | void info_string_append(GString *str, char *newline, char *name, char *value) |
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| 412 | { |
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| 413 | if( value && value[0] ) |
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| 414 | g_string_sprintfa( str, "%s%s: %s", newline, name, value ); |
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| 415 | } |
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