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131 lines
3 KiB
C
131 lines
3 KiB
C
/*
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* usb -- collects usb info for questd
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*
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* Copyright (C) 2012-2013 Inteno Broadband Technology AB. All rights reserved.
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*
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* Author: sukru.senli@inteno.se
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*/
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#include "questd.h"
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#include <string.h>
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static void
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remove_space(char *buf)
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{
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char *newbuf = malloc(strlen(buf)+1);
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int i = 0;
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int j = 0;
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while (buf[i]) {
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newbuf[j] = buf[i];
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if (buf[i] != ' ')
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j++;
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i++;
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}
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newbuf[j] = '\0';
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strcpy(buf, newbuf);
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free(newbuf);
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}
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static void
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get_usb_infos(char **val, char *usbno, char *info) {
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FILE *in;
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char cmnd[64];
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char result[32];
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*val = "";
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sprintf(cmnd, "/sys/bus/usb/devices/%s/%s", usbno, info);
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if ((in = fopen(cmnd, "r"))) {
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fgets(result, sizeof(result), in);
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remove_newline(result);
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fclose(in);
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*val = strdup(result);
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}
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}
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static void
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get_usb_device(char **val, char *mount) {
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FILE *mounts;
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char line[128];
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char dev[16];
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char mnt[64];
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*val = NULL;
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if ((mounts = fopen("/var/usbmounts", "r"))) {
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while(fgets(line, sizeof(line), mounts) != NULL)
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{
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remove_newline(line);
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if (sscanf(line, "/dev/%s /mnt/%s", dev, mnt) == 2) {
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if (!strcmp(mnt, mount) || strstr(mount, mnt)) {
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*val = strdup(dev);
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break;
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}
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}
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}
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fclose(mounts);
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}
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}
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static void
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get_usb_size(unsigned long *val, char *device) {
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FILE *in;
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char cmnd[64];
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char result[32];
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*val = 0;
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sprintf(cmnd, "/sys/class/block/%s/size", device);
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if ((in = fopen(cmnd, "r"))) {
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fgets(result, sizeof(result), in);
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remove_newline(result);
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fclose(in);
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*val = (long)(atoi(result) / 2048);
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}
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}
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void
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dump_usb_info(USB *usb, char *usbno)
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{
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FILE *in;
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char cmnd[64];
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char result[32];
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sprintf(cmnd, "/sys/bus/usb/devices/%s/product", usbno);
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if ((in = fopen(cmnd, "r"))) {
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fgets(result, sizeof(result), in);
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remove_newline(result);
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fclose(in);
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strcpy(usb->product, result);
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sprintf(usb->no, "%s", usbno);
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sprintf(usb->name, "USB%s", strndup(usbno+2, strlen(usbno)));
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get_usb_infos(&usb->vendor, usb->no, "manufacturer");
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get_usb_infos(&usb->serial, usb->no, "serial");
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//get_usb_infos(&usb->speed, usb->no, "speed");
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get_usb_infos(&usb->maxchild, usb->no, "maxchild");
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sprintf(usb->mount, "%s%s", usb->vendor, usb->serial);
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remove_space(usb->mount);
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if(!strcmp(usb->mount, usb->serial)) {
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sprintf(usb->mount, "%s%s", usb->product, usb->serial);
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remove_space(usb->mount);
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}
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get_usb_device(&usb->device, usb->mount);
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get_usb_size(&usb->size, usb->device);
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}
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}
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