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/********************************************************************\
* Axel -- A lighter download accelerator for Linux and other Unices. *
* *
* Copyright 2001 Wilmer van der Gaast *
\********************************************************************/
/* Configuration handling file */
/*
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 file /usr/doc/copyright/GPL;
if not, write to the Free Software Foundation, Inc., 59 Temple Place,
Suite 330, Boston, MA 02111-1307 USA
*/
#include "axel.h"
/* Some nifty macro's.. */
#define get_config_string( name ) \
if( strcmp( key, #name ) == 0 ) \
{ \
st = 1; \
strcpy( conf->name, value ); \
}
#define get_config_number( name ) \
if( strcmp( key, #name ) == 0 ) \
{ \
st = 1; \
sscanf( value, "%i", &conf->name ); \
}
int parse_interfaces( conf_t *conf, char *s );
int conf_loadfile( conf_t *conf, char *file )
{
int i, line = 0;
FILE *fp;
char s[MAX_STRING], key[MAX_STRING], value[MAX_STRING];
fp = fopen( file, "r" );
if( fp == NULL )
return( 1 ); /* Not a real failure */
while( !feof( fp ) )
{
int st;
line ++;
*s = 0;
fscanf( fp, "%100[^\n#]s", s );
fscanf( fp, "%*[^\n]s" );
fgetc( fp ); /* Skip newline */
if( strchr( s, '=' ) == NULL )
continue; /* Probably empty? */
sscanf( s, "%[^= \t]s", key );
for( i = 0; s[i]; i ++ )
if( s[i] == '=' )
{
for( i ++; isspace( (int) s[i] ) && s[i]; i ++ );
break;
}
strcpy( value, &s[i] );
for( i = strlen( value ) - 1; isspace( (int) value[i] ); i -- )
value[i] = 0;
st = 0;
/* Long live macros!! */
get_config_string( default_filename );
get_config_string( http_proxy );
get_config_string( no_proxy );
get_config_number( strip_cgi_parameters );
get_config_number( save_state_interval );
get_config_number( connection_timeout );
get_config_number( reconnect_delay );
get_config_number( num_connections );
get_config_number( buffer_size );
get_config_number( max_speed );
get_config_number( verbose );
get_config_number( alternate_output );
get_config_number( search_timeout );
get_config_number( search_threads );
get_config_number( search_amount );
get_config_number( search_top );
/* Option defunct but shouldn't be an error */
if( strcmp( key, "speed_type" ) == 0 )
st = 1;
if( strcmp( key, "interfaces" ) == 0 )
st = parse_interfaces( conf, value );
if( !st )
{
fprintf( stderr, _("Error in %s line %i.\n"), file, line );
return( 0 );
}
get_config_number( add_header_count );
for(i=0;i<conf->add_header_count;i++)
get_config_string( add_header[i] );
get_config_string( user_agent );
}
fclose( fp );
return( 1 );
}
int conf_init( conf_t *conf )
{
char s[MAX_STRING], *s2;
int i;
/* Set defaults */
memset( conf, 0, sizeof( conf_t ) );
strcpy( conf->default_filename, "default" );
*conf->http_proxy = 0;
*conf->no_proxy = 0;
conf->strip_cgi_parameters = 1;
conf->save_state_interval = 10;
conf->connection_timeout = 45;
conf->reconnect_delay = 20;
conf->num_connections = 4;
conf->buffer_size = 5120;
conf->max_speed = 0;
conf->verbose = 1;
conf->alternate_output = 0;
conf->search_timeout = 10;
conf->search_threads = 3;
conf->search_amount = 15;
conf->search_top = 3;
conf->add_header_count = 0;
strncpy( conf->user_agent, DEFAULT_USER_AGENT, MAX_STRING );
conf->interfaces = malloc( sizeof( if_t ) );
memset( conf->interfaces, 0, sizeof( if_t ) );
conf->interfaces->next = conf->interfaces;
if( ( s2 = getenv( "http_proxy" ) ) != NULL )
strncpy( conf->http_proxy, s2, MAX_STRING );
else if( ( s2 = getenv( "HTTP_PROXY" ) ) != NULL )
strncpy( conf->http_proxy, s2, MAX_STRING );
if( !conf_loadfile( conf, ETCDIR "/axelrc" ) )
return( 0 );
if( ( s2 = getenv( "HOME" ) ) != NULL )
{
sprintf( s, "%s/%s", s2, ".axelrc" );
if( !conf_loadfile( conf, s ) )
return( 0 );
}
/* Convert no_proxy to a 0-separated-and-00-terminated list.. */
for( i = 0; conf->no_proxy[i]; i ++ )
if( conf->no_proxy[i] == ',' )
conf->no_proxy[i] = 0;
conf->no_proxy[i+1] = 0;
return( 1 );
}
int parse_interfaces( conf_t *conf, char *s )
{
char *s2;
if_t *iface;
iface = conf->interfaces->next;
while( iface != conf->interfaces )
{
if_t *i;
i = iface->next;
free( iface );
iface = i;
}
free( conf->interfaces );
if( !*s )
{
conf->interfaces = malloc( sizeof( if_t ) );
memset( conf->interfaces, 0, sizeof( if_t ) );
conf->interfaces->next = conf->interfaces;
return( 1 );
}
s[strlen(s)+1] = 0;
conf->interfaces = iface = malloc( sizeof( if_t ) );
while( 1 )
{
while( ( *s == ' ' || *s == '\t' ) && *s ) s ++;
for( s2 = s; *s2 != ' ' && *s2 != '\t' && *s2; s2 ++ );
*s2 = 0;
if( *s < '0' || *s > '9' )
get_if_ip( s, iface->text );
else
strcpy( iface->text, s );
s = s2 + 1;
if( *s )
{
iface->next = malloc( sizeof( if_t ) );
iface = iface->next;
}
else
{
iface->next = conf->interfaces;
break;
}
}
return( 1 );
}
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