src/install+setup/install/usb.c

   1 /*
   2  * This file is part of the IPCop Firewall.
   3  *
   4  * IPCop is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * IPCop is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with IPCop; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  17  *
  18  * Copyright 2002: Mark Wormgoor <mark@wormgoor.com>
  19  *
  20  */
  21
  22 #include "install.h"
  23
  24 int usbuhci = 0;
  25 int usbohci = 0;
  26 int ehcihcd = 0;
  27
  28 int initialize_usb() {
  29     mysystem("/sbin/modprobe sd_mod");
  30     mysystem("/sbin/modprobe sr_mod");
  31     mysystem("/sbin/modprobe usb-storage");
  32     mysystem("/sbin/modprobe vfat");
  33
  34     if (ehcihcd) {
  35         mysystem("/sbin/rmmod ehci-hcd");
  36         ehcihcd = 0;
  37     }
  38     if (usbohci) {
  39         mysystem("/sbin/rmmod ohci-hcd");
  40         usbohci = 0;
  41     }
  42     if (usbuhci) {
  43         mysystem("/sbin/rmmod uhci-hcd");
  44         usbuhci = 0;
  45     }
  46
  47     if (mysystem("/sbin/modprobe ehci-hcd") == 0)
  48         ehcihcd = 1;
  49     if (mysystem("/sbin/modprobe ohci-hcd") == 0)
  50         usbohci = 1;
  51     if (mysystem("/sbin/modprobe uhci-hcd") == 0)
  52         usbuhci = 1;
  53
  54     mysystem("/sbin/modprobe usbhid");
  55     return 0;
  56 }
  57
  58 int write_usb_modules_conf() {
  59     int index;
  60     FILE *handle;
  61
  62     if (!(handle = fopen("/harddisk/etc/modules.conf", "a")))
  63         return 0;
  64
  65     index = 0;
  66
  67 #if 0 /* we don't do this yet, because one of the drivers has a problem
  68        * with it */
  69     if (ehcihcd) {
  70         if (index)
  71                 fprintf(handle,"alias usb-controller%d ehci-hcd\n",index);
  72         else
  73                 fprintf(handle,"alias usb-controller ehci-hcd\n");
  74         index++;
  75     }
  76 #endif
  77
  78     if (usbohci) {
  79         if (index)
  80                 fprintf(handle,"alias usb-controller%d ohci-hcd\n",index);
  81         else
  82                 fprintf(handle,"alias usb-controller ohci-hcd\n");
  83         index++;
  84     }
  85
  86     if (usbuhci) {
  87         if (index)
  88                 fprintf(handle,"alias usb-controller%d uhci-hcd\n",index);
  89         else
  90                 fprintf(handle,"alias usb-controller uhci-hcd\n");
  91         index++;
  92     }
  93     fclose(handle);
  94
  95     return 0;
  96 }
  97
  98 /* Scans the named partitions and returns true if USB-removable. */
  99 int checkusb(char *device)
 100 {
 101         FILE *f = NULL;
 102         char filename[STRING_SIZE];
 103         char command[STRING_SIZE];
 104         char buffer[STRING_SIZE];
 105         int found = 0;
 106
 107         sprintf(command, "udevinfo -a -p /sys/block/%s | grep BUS | sort| uniq >/tmp/usbscan 2>/dev/null", device);
 108         system(command);
 109
 110         f = fopen("/tmp/usbscan", "r");
 111         while (fgets(buffer, STRING_SIZE, f)) {
 112                 if (strstr(buffer,"usb")) found=1;
 113         }
 114         fclose(f);
 115
 116         if (found) return 0;
 117                 else return 1;
 118 }