/********************************************************************\
* BitlBee -- An IRC to other IM-networks gateway *
* *
* Copyright 2001-2005 Wilmer van der Gaast and others *
\********************************************************************/
/* URL/mirror stuff - Stolen from Axel */
/*
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 with
the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL;
if not, write to the Free Software Foundation, Inc., 59 Temple Place,
Suite 330, Boston, MA 02111-1307 USA
*/
#include "url.h"
/* Convert an URL to a url_t structure */
int url_set( url_t *url, const char *set_url )
{
char s[MAX_STRING+1];
char *i;
memset( url, 0, sizeof( url_t ) );
memset( s, 0, sizeof( s ) );
/* protocol:// */
if( ( i = strstr( set_url, "://" ) ) == NULL )
{
url->proto = PROTO_DEFAULT;
strncpy( s, set_url, MAX_STRING );
}
else
{
if( g_strncasecmp( set_url, "http", i - set_url ) == 0 )
url->proto = PROTO_HTTP;
else if( g_strncasecmp( set_url, "https", i - set_url ) == 0 )
url->proto = PROTO_HTTPS;
else if( g_strncasecmp( set_url, "socks4", i - pre { line-height: 125%; }
td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
span.linenos { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
td.linenos .special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
span.linenos.special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
.highlight .hll { background-color: #ffffcc }
.highlight .c { color: #888888 } /* Comment */
.highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */
.highlight .k { color: #008800; font-weight: bold } /* Keyword */
.highlight .ch { color: #888888 } /* Comment.Hashbang */
.highlight .cm { color: #888888 } /* Comment.Multiline */
.highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */
.highlight .cpf { color: #888888 } /* Comment.PreprocFile */
.highlight .c1 { color: #888888 } /* Comment.Single */
.highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */
.highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */
.highlight .ge { font-style: italic } /* Generic.Emph */
.highlight .ges { font-weight: bold; font-style: italic } /* Generic.EmphStrong */
.highlight .gr { color: #aa0000 } /* Generic.Error */
.highlight .gh { color: #333333 } /* Generic.Heading */
.highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */
.highlight .go { color: #888888 } /* Generic.Output */
.highlight .gp { color: #555555 } /* Generic.Prompt */
.highlight .gs { font-weight: bold } /* Generic.Strong */
.highlight .gu { color: #666666 } /* Generic.Subheading */
.highlight .gt { color: #aa0000 } /* Generic.Traceback */
.highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */
.highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */
.highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */
.highlight .kp { color: #008800 } /* Keyword.Pseudo */
.highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */
.highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */
.highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */
.highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */
.highlight .na { color: #336699 } /* Name.Attribute */
.highlight .nb { color: #003388 } /* Name.Builtin */
.highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */
.highlight .no { color: #003366; font-weight: bold } /* Name.Constant */
.highlight .nd { color: #555555 } /* Name.Decorator */
.highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */
.highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */
.highlight .nl { color: #336699; font-style: italic } /* Name.Label */
.highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */
.highlight .py { color: #336699; font-weight: bold } /* Name.Property */
.highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */
.highlight .nv { color: #336699 } /* Name.Variable */
.highlight .ow { color: #008800 } /* Operator.Word */
.highlight .w { color: #bbbbbb } /* Text.Whitespace */
.highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */
.highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */
.highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */
.highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */
.highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */
.highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */
.highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */
.highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */
.highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */
.highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */
.highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */
.highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */
.highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */
.highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */
.highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */
.highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */
.highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */
.highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */
.highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */
.highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */
.highlight .vc { color: #336699 } /* Name.Variable.Class */
.highlight .vg { color: #dd7700 } /* Name.Variable.Global */
.highlight .vi { color: #3333bb } /* Name.Variable.Instance */
.highlight .vm { color: #336699 } /* Name.Variable.Magic */
.highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */ /********************************************************************\
* BitlBee -- An IRC to other IM-networks gateway *
* *
* Copyright 2002-2004 Wilmer van der Gaast and others *
\********************************************************************/
/*
* Various utility functions. Some are copied from Gaim to support the
* IM-modules, most are from BitlBee.
*
* Copyright (C) 1998-1999, Mark Spencer <markster@marko.net>
* (and possibly other members of the Gaim team)
* Copyright 2002-2005 Wilmer van der Gaast <wilmer@gaast.net>
*/
/*
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 with
the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL;
if not, write to the Free Software Foundation, Inc., 59 Temple Place,
Suite 330, Boston, MA 02111-1307 USA
*/
#define BITLBEE_CORE
#include "nogaim.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <glib.h>
#include <time.h>
#include <iconv.h>
void strip_linefeed(gchar *text)
{
int i, j;
gchar *text2 = g_malloc(strlen(text) + 1);
for (i = 0, j = 0; text[i]; i++)
if (text[i] != '\r')
text2[j++] = text[i];
text2[j] = '\0';
strcpy(text, text2);
g_free(text2);
}
char *add_cr(char *text)
{
char *ret = NULL;
int count = 0, j;
unsigned int i;
if (text[0] == '\n')
count++;
for (i = 1; i < strlen(text); i++)
if (text[i] == '\n' && text[i - 1] != '\r')
count++;
if (count == 0)
return g_strdup(text);
ret = g_malloc0(strlen(text) + count + 1);
i = 0; j = 0;
if (text[i] == '\n')
ret[j++] = '\r';
ret[j++] = text[i++];
for (; i < strlen(text); i++) {
if (text[i] == '\n' && text[i - 1] != '\r')
ret[j++] = '\r';
ret[j++] = text[i];
}
return ret;
}
static char alphabet[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz" "0123456789+/";
/* XXX Find bug */
char *tobase64(const char *text)
{
char *out = NULL;
const char *c;
unsigned int tmp = 0;
int len = 0, n = 0;
c = text;
while (*c) {
tmp = tmp << 8;
tmp += *c;
n++;
if (n == 3) {
out = g_realloc(out, len + 4);
out[len] = alphabet[(tmp >> 18) & 0x3f];
out[len + 1] = alphabet[(tmp >> 12) & 0x3f];
out[len + 2] = alphabet[(tmp >> 6) & 0x3f];
out[len + 3] = alphabet[tmp & 0x3f];
len += 4;
tmp = 0;
n = 0;
}
c++;
}
switch (n) {
case 2:
tmp <<= 8;
out = g_realloc(out, len + 5);
out[len] = alphabet[(tmp >> 18) & 0x3f];
out[len + 1] = alphabet[(tmp >> 12) & 0x3f];
out[len + 2] = alphabet[(tmp >> 6) & 0x3f];
out[len + 3] = '=';
out[len + 4] = 0;
break;
case 1:
tmp <<= 16;
out = g_realloc(out, len + 5);
out[len] = alphabet[(tmp >> 18) & 0x3f];
out[len + 1] = alphabet[(tmp >> 12) & 0x3f];
out[len + 2] = '=';
out[len + 3] = '=';
out[len + 4] = 0;
break;
case 0:
out = g_realloc(out, len + 1);
out[len] = 0;
break;
}
return out;
}
char *normalize(const char *s)
{
static char buf[BUF_LEN];
char *t, *u;
int x = 0;
g_return_val_if_fail((s != NULL), NULL);
u = t = g_strdup(s);
strcpy(t, s);
g_strdown(t);
while (*t && (x < BUF_LEN - 1)) {
if (*t != ' ') {
buf[x] = *t;
x++;
}
t++;
}
buf[x] = '\0';
g_free(u);
return buf;
}
time_t get_time(int year, int month, int day, int hour, int min, int sec)
{
struct tm tm;
tm.tm_year = year - 1900;
tm.tm_mon = month - 1;
tm.tm_mday = day;
tm.tm_hour = hour;
tm.tm_min = min;
tm.tm_sec = sec >= 0 ? sec : time(NULL) % 60;
return mktime(&tm);
}
typedef struct htmlentity
{
char code[8];
char is[4];
} htmlentity_t;
/* FIXME: This is ISO8859-1(5) centric, so might cause problems with other charsets. */
static const htmlentity_t ent[] =
{
{ "lt", "<" },
{ "gt", ">" },
{ "amp", "&" },
{ "quot", "\"" },
{ "aacute", "á" },
{ "eacute", "é" },
{ "iacute", "é" },
{ "oacute", "ó" },
{ "uacute", "ú" },
{ "agrave", "à" },
{ "egrave", "è" },
{ "igrave", "ì" },
{ "ograve", "ò" },
{ "ugrave", "ù" },
{ "acirc", "â" },
{ "ecirc", "ê" },
{ "icirc", "î" },
{ "ocirc", "ô" },
{ "ucirc", "û" },
{ "auml", "ä" },
{ "euml", "ë" },
{ "iuml", "ï" },
{ "ouml", "ö" },
{ "uuml", "ü" },
{ "nbsp", " " },
{ "", "" }
};
void strip_html( char *in )
{
char *start = in;
char *out = g_malloc( strlen( in ) + 1 );
char *s = out, *cs;
int i, matched;
memset( out, 0, strlen( in ) + 1 );
while( *in )
{
if( *in == '<' && ( isalpha( *(in+1) ) || *(in+1) == '/' ) )
{
/* If in points at a < and in+1 points at a letter or a slash, this is probably
a HTML-tag. Try to find a closing > and continue there. If the > can't be
found, assume that it wasn't a HTML-tag after all. */
cs = in;
while( *in && *in != '>' )
in ++;
if( *in )
{
if( g_strncasecmp( cs+1, "br", 2) == 0 )
*(s++) = '\n';
in ++;
}
else
{
in = cs;
*(s++) = *(in++);
}
}
else if( *in == '&' )
{
cs = ++in;
while( *in && isalpha( *in ) )
in ++;
if( *in == ';' ) in ++;
matched = 0;
for( i = 0; *ent[i].code; i ++ )
if( g_strncasecmp( ent[i].code, cs, strlen( ent[i].code ) ) == 0 )
{
int j;
for( j = 0; ent[i].is[j]; j ++ )
*(s++) = ent[i].is[j];
matched = 1;
break;
}
/* None of the entities were matched, so return the string */
if( !matched )
{
in = cs - 1;
*(s++) = *(in++);
}
}
else
{
*(s++) = *(in++);
}
}
strcpy( start, out );
g_free( out );
}
char *escape_html( const char *html )
{
const char *c = html;
GString *ret;
char *str;
if( html == NULL )
return( NULL );
ret = g_string_new( "" );
while( *c )
{
switch( *c )
{
case '&':
ret = g_string_append( ret, "&" );
break;
case '<':
ret = g_string_append( ret, "<" );
break;
case '>':
ret = g_string_append( ret, ">" );
break;
case '"':
ret = g_string_append( ret, """ );
break;
default:
ret = g_string_append_c( ret, *c );
}
c ++;
}
str = ret->str;
g_string_free( ret, FALSE );
return( str );
}
void info_string_append(GString *str, char *newline, char *name, char *value)
{
if( value && value[0] )
g_string_sprintfa( str, "%s%s: %s", newline, name, value );
}
/* Decode%20a%20file%20name */
void http_decode( char *s )
{
char *t;
int i, j, k;
t = g_new( char, strlen( s ) + 1 );
for( i = j = 0; s[i]; i ++, j ++ )
{
if( s[i] == '%' )
{
if( sscanf( s + i + 1, "%2x", &k ) )
{
t[j] = k;
i += 2;
}
else
{
*t = 0;
break;
}
}
else
{
t[j] = s[i];
}
}
t[j] = 0;
strcpy( s, t );
g_free( t );
}
/* Warning: This one explodes the string. Worst-cases can make the string 3x its original size! */
/* This fuction is safe, but make sure you call it safely as well! */
void http_encode( char *s )
{
char *t;
int i, j;
t = g_strdup( s );
for( i = j = 0; t[i]; i ++, j ++ )
{
/* if( t[i] <= ' ' || ((unsigned char *)t)[i] >= 128 || t[i] == '%' ) */
if( !isalnum( t[i] ) )
{
sprintf( s + j, "%%%02X", ((unsigned char*)t)[i] );
j += 2;
}
else
{
s[j] = t[i];
}
}
s[j] = 0;
g_free( t );
}
/* Strip newlines from a string. Modifies the string passed to it. */
char *strip_newlines( char *source )
{
int i;
for( i = 0; source[i] != '\0'; i ++ )
if( source[i] == '\n' || source[i] == '\r' )
source[i] = ' ';
return source;
}
#ifdef IPV6
/* Wrap an IPv4 address into IPv6 space. Not thread-safe... */
char *ipv6_wrap( char *src )
{
static char dst[64];
int i;
for( i = 0; src[i]; i ++ )
if( ( src[i] < '0' || src[i] > '9' ) && src[i] != '.' )
break;
/* Hmm, it's not even an IP... */
if( src[i] )
return src;
g_snprintf( dst, sizeof( dst ), "::ffff:%s", src );
return dst;
}
/* Unwrap an IPv4 address into IPv6 space. Thread-safe, because it's very simple. :-) */
char *ipv6_unwrap( char *src )
{
int i;
if( g_strncasecmp( src, "::ffff:", 7 ) != 0 )
return src;
for( i = 7; src[i]; i ++ )
if( ( src[i] < '0' || src[i] > '9' ) && src[i] != '.' )
break;
/* Hmm, it's not even an IP... */
if( src[i] )
return src;
return ( src + 7 );
}
#endif
/* Convert from one charset to another.
from_cs, to_cs: Source and destination charsets
src, dst: Source and destination strings
size: Size if src. 0 == use strlen(). strlen() is not reliable for UNICODE/UTF16 strings though.
maxbuf: Maximum number of bytes to write to dst
Returns the number of bytes written to maxbuf or -1 on an error.
*/
signed int do_iconv( char *from_cs, char *to_cs, char *src, char *dst, size_t size, size_t maxbuf )
{
iconv_t cd;
size_t res;
size_t inbytesleft, outbytesleft;
char *inbuf = src;
char *outbuf = dst;
cd = iconv_open( to_cs, from_cs );
if( cd == (iconv_t) -1 )
return( -1 );
inbytesleft = size ? size : strlen( src );
outbytesleft = maxbuf - 1;
res = iconv( cd, &inbuf, &inbytesleft, &outbuf, &outbytesleft );
*outbuf = '\0';
iconv_close( cd );
if( res == (size_t) -1 )
return( -1 );
else
return( outbuf - dst );
}
char *set_eval_charset( irc_t *irc, set_t *set, char *value )
{
iconv_t cd;
if ( g_strncasecmp( value, "none", 4 ) == 0 )
return( value );
cd = iconv_open( "UTF-8", value );
if( cd == (iconv_t) -1 )
return( NULL );
iconv_close( cd );
return( value );
}
