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/*
cdcd - Command Driven CD player
Copyright (C) 1998-99 Tony Arcieri
Copyright (C) 2001, 2002, 2003 Fabrice Bauzac
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <errno.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <stdio.h>
#include "cmdline.h"
#include "config.h"
#ifdef HAVE_STRING_H
#include <string.h>
#else if defined(HAVE_STRINGS_H)
#include <strings.h>
#endif
#include "cdaudio.h"
#include "conf.h"
#include "global.h"
#include "config.h"
#include "str.h"
int
cdcdrc_data_mod (const char *var, const char *value, struct cdcdrc *conf)
{
if (value == NULL)
value = "";
if (!strcasecmp (var, cdcdrc_device_var))
{
if (!value[0])
strncpy (conf->device, DEFAULT_DEVICE, CDCDRC_DEVICE_LEN - 1);
else
strncpy (conf->device, value, CDCDRC_DEVICE_LEN - 1);
conf->device[CDCDRC_DEVICE_LEN - 1] = 0;
}
if (!strcasecmp (var, cdcdrc_verbose_var))
{
if (!strcasecmp (value, "on"))
conf->verbosity = 1;
else if (!strcasecmp (value, "off"))
conf->verbosity = 0;
else
printf ("Error reading configuration file:\n"
"Unknown value `%s' for parameter `%s', ignored.\n",
*value ? "(unspecified)" : value, cdcdrc_verbose_var);
}
return 0;
}
void
cdcdrc_manual_configuration (struct cdcdrc *conf)
{
struct cddb_conf cddbconf;
struct cddb_host proxy_host;
struct cddb_serverlist list;
struct cdcdrc writeconf;
int useproxy = 0;
char question_buffer[256], inbuffer[256], *proxy;
conf->verbosity = 1;
printf ("Welcome to %s %s.\n", PACKAGE, VERSION);
pprintf (get_width () - 1,
"You will now be asked a series of questions which will configure "
"cdcd for your platform. The default answers are given between "
"brackets.");
putchar ('\n');
snprintf (question_buffer, 256,
"What is the name of your CD-ROM device? [%s] ", DEFAULT_DEVICE);
get_input_text (inbuffer, question_buffer, 256);
if (strlen (inbuffer) != 0)
strncpy (conf->device, inbuffer, 256);
else
strncpy (conf->device, DEFAULT_DEVICE, 256);
while (1)
{
get_input_text (inbuffer,
"Are you connected to a network (y/n) [y]? ", 256);
if (!strcasecmp (inbuffer, "n"))
{
cddbconf.conf_access = CDDB_ACCESS_LOCAL;
cddb_write_serverlist (cddbconf, list, proxy_host.host_server);
memcpy (&writeconf, conf, sizeof *conf);
cdcdrc_write (&writeconf);
return;
}
else if (!strcasecmp (inbuffer, "y") || inbuffer[0] == 0)
{
cddbconf.conf_access = CDDB_ACCESS_REMOTE;
break;
}
else
puts ("?");
}
putchar ('\n');
pprintf (get_width () - 1,
"There are two methods of retrieving CD track information, CDDB "
"and CD Index. Using the CD Index will be somewhat faster, but "
"does not yet facilitate inexact matching. Both methods may be "
"used through HTTP proxy servers.");
fputs ("\n", stdout);
while (1)
{
fputs ("\n", stdout);
fputs ("1) CDDB\n" "2) CD Index\n\n", stdout);
get_input_text (inbuffer, "Choose a method [1]: ", 256);
if (!strcmp (inbuffer, "2"))
{
list.list_len = 1;
strncpy (list.list_host[0].host_server.server_name,
"www.cdindex.org", 256);
strncpy (list.list_host[0].host_addressing,
"cgi-bin/cdi/get.pl", 256);
list.list_host[0].host_server.server_port = 80;
list.list_host[0].host_protocol = CDINDEX_MODE_HTTP;
break;
}
else if (!*inbuffer || !strcmp (inbuffer, "1"))
{
list.list_len = 1;
strncpy (list.list_host[0].host_server.server_name,
"www.freedb.org", 256);
strncpy (list.list_host[0].host_addressing,
"cgi-bin/cddb.cgi", 256);
list.list_host[0].host_server.server_port = 80;
list.list_host[0].host_protocol = CDDB_MODE_HTTP;
break;
}
else
puts ("?");
}
if ((proxy = getenv ("http_proxy")))
{
cddb_process_url (&proxy_host, proxy);
printf ("\nHTTP proxy server found: http://%s:%d/\n\n",
proxy_host.host_server.server_name,
proxy_host.host_server.server_port);
get_input_text (inbuffer, "Use it? [y] ", 256);
if (inbuffer[0] == 'n')
useproxy = 1;
else
cddbconf.conf_proxy = 1;
}
if (proxy == NULL || useproxy == 1)
{
get_input_text (inbuffer, "Use a HTTP proxy server (y/n)? [n] ", 256);
if (inbuffer[0] == 'y')
{
get_input_text (inbuffer, "Enter proxy server URL: ", 256);
cddb_process_url (&proxy_host, inbuffer);
cddbconf.conf_proxy = 1;
}
}
putchar ('\n');
cddb_write_serverlist (cddbconf, list, proxy_host.host_server);
memcpy (&writeconf, conf, sizeof (struct cdcdrc));
cdcdrc_write (&writeconf);
return;
}
int
cdcdrc_process_line (char *line, struct cdcdrc *conf)
{
char *var, *value;
if (!(value = strchr (line, '=')))
return 0;
*value++ = 0;
var = strtok (line, " \t");
value = strtok (value, " \t\n");
if (!var || !value || strtok (NULL, "\n"))
return 0;
if (cdcdrc_data_mod (var, value, conf) < 0)
return -1;
return 0;
}
int
file_exists (char *filename)
{
struct stat s;
return !stat (filename, &s);
}
/* Returns a newly-allocated string containing the path of .cdcdrc, or
NULL if $HOME is not set. */
char *
cdcdrc_location_a ()
{
char *loc, *home;
if (!(home = getenv ("HOME")))
return NULL;
loc = (char *) xmalloc (strlen (cdcdrc_file) + strlen (home) + 2);
sprintf (loc, "%s/%s", home, cdcdrc_file);
return loc;
}
/* Read .cdcdrc. */
int
cdcdrc_read (struct cdcdrc *conf)
{
FILE *cdcdrcfile;
char inbuffer[256];
char *localconfpath;
char *p;
if (!(localconfpath = cdcdrc_location_a ()))
{
puts ("$HOME is not set!");
return -1;
}
/* This macro frees the resources and exits. */
#define X(n) { free(localconfpath); return n; }
if (!file_exists (localconfpath))
{
cdcdrc_manual_configuration (conf);
X (0);
}
cdcdrcfile = fopen (localconfpath, "r");
if (cdcdrcfile == NULL)
{
fputs ("error: can't read $HOME/.cdcdrc\n", stderr);
exit (1);
}
fgets (inbuffer, 256, cdcdrcfile);
if (strncmp (inbuffer, cdcdrc_firstline, strlen (cdcdrc_firstline)))
{
puts ("Your .cdcdrc file is invalid.\n"
"Please remove it and restart cdcd.");
exit (1);
}
while (!feof (cdcdrcfile))
{
fgets (inbuffer, 256, cdcdrcfile);
inbuffer[255] = '\0';
if ((p = strchr (inbuffer, '#')))
*p = 0;
if (cdcdrc_process_line (inbuffer, conf) < 0)
{
X (-1);
}
}
fclose (cdcdrcfile);
X (0);
#undef X
}
/* Write .cdcdrc. */
void
cdcdrc_write (const struct cdcdrc *conf)
{
FILE *cdcdrcfile;
char *localconfpath;
if (!(localconfpath = cdcdrc_location_a ()))
{
puts ("$HOME is not set!");
return;
}
if ((cdcdrcfile = fopen (localconfpath, "w")) == NULL)
{
printf ("Unable to save configuration to `%s': %s\n", localconfpath,
strerror (errno));
free (localconfpath);
return;
}
fputs ("# .cdcdrc revision 3\n\n", cdcdrcfile);
fprintf (cdcdrcfile, "%s=%s\n", cdcdrc_verbose_var,
conf->verbosity ? "ON" : "OFF");
fprintf (cdcdrcfile, "%s=%s\n", cdcdrc_device_var, conf->device);
fclose (cdcdrcfile);
free (localconfpath);
}
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