diff options
Diffstat (limited to 'modules/devices/usb.c')
| -rw-r--r-- | modules/devices/usb.c | 381 |
1 files changed, 381 insertions, 0 deletions
diff --git a/modules/devices/usb.c b/modules/devices/usb.c new file mode 100644 index 00000000..3a93a3b6 --- /dev/null +++ b/modules/devices/usb.c @@ -0,0 +1,381 @@ +/* + * HardInfo - Displays System Information + * Copyright (C) 2003-2008 Leandro A. F. Pereira <leandro@hardinfo.org> + * + * 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, version 2. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +/* + * FIXME: + * - listing with sysfs does not generate device hierarchy + */ + +#include <string.h> + +#include "hardinfo.h" +#include "devices.h" + +gchar *usb_list = NULL; + +void __scan_usb_sysfs_add_device(gchar * endpoint, int n) +{ + gchar *manufacturer, *product, *mxpwr, *tmp, *strhash; + gint bus, classid, vendor, prodid; + gfloat version, speed; + + classid = h_sysfs_read_int(endpoint, "bDeviceClass"); + vendor = h_sysfs_read_int(endpoint, "idVendor"); + prodid = h_sysfs_read_int(endpoint, "idProduct"); + bus = h_sysfs_read_int(endpoint, "busnum"); + speed = h_sysfs_read_float(endpoint, "speed"); + version = h_sysfs_read_float(endpoint, "version"); + + if (!(mxpwr = h_sysfs_read_string(endpoint, "bMaxPower"))) { + mxpwr = g_strdup("0 mA"); + } + + if (!(manufacturer = h_sysfs_read_string(endpoint, "manufacturer"))) { + manufacturer = g_strdup("Unknown"); + } + + if (!(product = h_sysfs_read_string(endpoint, "product"))) { + if (classid == 9) { + product = g_strdup_printf("USB %.2f Hub", version); + } else { + product = g_strdup_printf("Unknown USB %.2f Device (class %d)", version, classid); + } + } + + const gchar *url = vendor_get_url(manufacturer); + if (url) { + tmp = g_strdup_printf("%s (%s)", vendor_get_name(manufacturer), url); + + g_free(manufacturer); + manufacturer = tmp; + } + + tmp = g_strdup_printf("USB%d", n); + usb_list = h_strdup_cprintf("$%s$%s=\n", usb_list, tmp, product); + + strhash = g_strdup_printf("[Device Information]\n" + "Product=%s\n" + "Manufacturer=%s\n" + "Speed=%.2fMbit/s\n" + "Max Current=%s\n" + "[Misc]\n" + "USB Version=%.2f\n" + "Class=0x%x\n" + "Vendor=0x%x\n" + "Product ID=0x%x\n" + "Bus=%d\n", + product, + manufacturer, + speed, + mxpwr, + version, classid, vendor, prodid, bus); + + moreinfo_add_with_prefix("DEV", tmp, strhash); + g_free(tmp); + g_free(manufacturer); + g_free(product); + g_free(mxpwr); +} + +gboolean __scan_usb_sysfs(void) +{ + GDir *sysfs; + gchar *filename; + const gchar *sysfs_path = "/sys/class/usb_endpoint"; + gint usb_device_number = 0; + + if (!(sysfs = g_dir_open(sysfs_path, 0, NULL))) { + return FALSE; + } + + if (usb_list) { + moreinfo_del_with_prefix("DEV:USB"); + g_free(usb_list); + } + usb_list = g_strdup("[USB Devices]\n"); + + while ((filename = (gchar *) g_dir_read_name(sysfs))) { + gchar *endpoint = + g_build_filename(sysfs_path, filename, "device", NULL); + gchar *temp; + + temp = g_build_filename(endpoint, "idVendor", NULL); + if (g_file_test(temp, G_FILE_TEST_EXISTS)) { + __scan_usb_sysfs_add_device(endpoint, ++usb_device_number); + } + + g_free(temp); + g_free(endpoint); + } + + g_dir_close(sysfs); + + return usb_device_number > 0; +} + +gboolean __scan_usb_procfs(void) +{ + FILE *dev; + gchar buffer[128]; + gchar *tmp, *manuf = NULL, *product = NULL, *mxpwr = NULL; + gint bus = 0, level = 0, port = 0, classid = 0, trash; + gint vendor = 0, prodid = 0; + gfloat ver = 0.0f, rev = 0.0f, speed = 0.0f; + int n = 0; + + dev = fopen("/proc/bus/usb/devices", "r"); + if (!dev) + return 0; + + if (usb_list) { + moreinfo_del_with_prefix("DEV:USB"); + g_free(usb_list); + } + usb_list = g_strdup("[USB Devices]\n"); + + while (fgets(buffer, 128, dev)) { + tmp = buffer; + + switch (*tmp) { + case 'T': + sscanf(tmp, + "T: Bus=%d Lev=%d Prnt=%d Port=%d Cnt=%d Dev#=%d Spd=%f", + &bus, &level, &trash, &port, &trash, &trash, &speed); + break; + case 'D': + sscanf(tmp, "D: Ver=%f Cls=%x", &ver, &classid); + break; + case 'P': + sscanf(tmp, "P: Vendor=%x ProdID=%x Rev=%f", &vendor, &prodid, &rev); + break; + case 'S': + if (strstr(tmp, "Manufacturer=")) { + manuf = g_strdup(strchr(tmp, '=') + 1); + remove_linefeed(manuf); + } else if (strstr(tmp, "Product=")) { + product = g_strdup(strchr(tmp, '=') + 1); + remove_linefeed(product); + } + break; + case 'C': + mxpwr = strstr(buffer, "MxPwr=") + 6; + + tmp = g_strdup_printf("USB%d", ++n); + + if (product && *product == '\0') { + g_free(product); + if (classid == 9) { + product = g_strdup_printf("USB %.2f Hub", ver); + } else { + product = g_strdup_printf("Unknown USB %.2f Device (class %d)", ver, classid); + } + } + + if (classid == 9) { /* hub */ + usb_list = h_strdup_cprintf("[%s#%d]\n", usb_list, product, n); + } else { /* everything else */ + usb_list = h_strdup_cprintf("$%s$%s=\n", usb_list, tmp, product); + + const gchar *url = vendor_get_url(manuf); + if (url) { + gchar *tmp = g_strdup_printf("%s (%s)", vendor_get_name(manuf), + url); + g_free(manuf); + manuf = tmp; + } + + gchar *strhash = g_strdup_printf("[Device Information]\n" "Product=%s\n", + product); + if (manuf && strlen(manuf)) + strhash = h_strdup_cprintf("Manufacturer=%s\n", strhash, manuf); + + strhash = h_strdup_cprintf("[Port #%d]\n" + "Speed=%.2fMbit/s\n" + "Max Current=%s\n" + "[Misc]\n" + "USB Version=%.2f\n" + "Revision=%.2f\n" + "Class=0x%x\n" + "Vendor=0x%x\n" + "Product ID=0x%x\n" + "Bus=%d\n" "Level=%d\n", + strhash, port, speed, mxpwr, ver, rev, classid, vendor, prodid, bus, level); + + moreinfo_add_with_prefix("DEV", tmp, strhash); + g_free(tmp); + } + + g_free(manuf); + g_free(product); + manuf = g_strdup(""); + product = g_strdup(""); + port = classid = 0; + } + } + + fclose(dev); + + return n > 0; +} + + +void __scan_usb_lsusb_add_device(char *buffer, int bufsize, FILE * lsusb, int usb_device_number) +{ + gint bus, device, vendor_id, product_id; + gchar *version = NULL, *product = NULL, *vendor = NULL, *dev_class = NULL, *int_class = NULL; + gchar *max_power = NULL, *name = NULL; + gchar *tmp, *strhash; + long position = 0; + + g_strstrip(buffer); + sscanf(buffer, "Bus %d Device %d: ID %x:%x", &bus, &device, &vendor_id, &product_id); + name = g_strdup(buffer + 33); + + for (fgets(buffer, bufsize, lsusb); position >= 0 && fgets(buffer, bufsize, lsusb); position = ftell(lsusb)) { + g_strstrip(buffer); + + if (g_str_has_prefix(buffer, "idVendor")) { + g_free(vendor); + vendor = g_strdup(buffer + 26); + } else if (g_str_has_prefix(buffer, "idProduct")) { + g_free(product); + product = g_strdup(buffer + 26); + } else if (g_str_has_prefix(buffer, "MaxPower")) { + g_free(max_power); + max_power = g_strdup(buffer + 9); + } else if (g_str_has_prefix(buffer, "bcdUSB")) { + g_free(version); + version = g_strdup(buffer + 7); + } else if (g_str_has_prefix(buffer, "bDeviceClass")) { + g_free(dev_class); + dev_class = g_strdup(buffer + 14); + } else if (g_str_has_prefix(buffer, "bInterfaceClass")) { + g_free(int_class); + int_class = g_strdup(buffer + 16); + } else if (g_str_has_prefix(buffer, "Bus ")) { + /* device separator */ + fseek(lsusb, position, SEEK_SET); + break; + } + } + + if (dev_class && strstr(dev_class, "0 (Defined at Interface level)")) { + g_free(dev_class); + if (int_class) { + dev_class = int_class; + } else { + dev_class = g_strdup("Unknown"); + } + } else + dev_class = g_strdup("Unknown"); + + tmp = g_strdup_printf("USB%d", usb_device_number); + usb_list = h_strdup_cprintf("$%s$%s=\n", usb_list, tmp, name); + + strhash = g_strdup_printf("[Device Information]\n" + "Product=%s\n" + "Manufacturer=%s\n" + "Max Current=%s\n" + "[Misc]\n" + "USB Version=%s\n" + "Class=%s\n" + "Vendor=0x%x\n" + "Product ID=0x%x\n" + "Bus=%d\n", + product ? g_strstrip(product) : "Unknown", + vendor ? g_strstrip(vendor) : "Unknown", + max_power ? g_strstrip(max_power) : "Unknown", + version ? g_strstrip(version) : "Unknown", + dev_class ? g_strstrip(dev_class) : "Unknown", vendor_id, product_id, bus); + + moreinfo_add_with_prefix("DEV", tmp, strhash); + g_free(vendor); + g_free(product); + g_free(max_power); + g_free(dev_class); + g_free(version); + g_free(tmp); + g_free(name); +} + +gboolean __scan_usb_lsusb(void) +{ + static gchar *lsusb_path = NULL; + int usb_device_number = 0; + FILE *lsusb; + FILE *temp_lsusb; + char buffer[512], *temp; + + if (!lsusb_path) { + if (!(lsusb_path = find_program("lsusb"))) { + DEBUG("lsusb not found"); + + return FALSE; + } + } + + temp = g_strdup_printf("%s -v | tr '[]' '()'", lsusb_path); + if (!(lsusb = popen(temp, "r"))) { + DEBUG("cannot run %s", lsusb_path); + + g_free(temp); + return FALSE; + } + + temp_lsusb = tmpfile(); + if (!temp_lsusb) { + DEBUG("cannot create temporary file for lsusb"); + pclose(lsusb); + return FALSE; + } + + while (fgets(buffer, sizeof(buffer), lsusb)) { + fputs(buffer, temp_lsusb); + } + + pclose(lsusb); + + // rewind file so we can read from it + fseek(temp_lsusb, 0, SEEK_SET); + + g_free(temp); + + if (usb_list) { + moreinfo_del_with_prefix("DEV:USB"); + g_free(usb_list); + } + usb_list = g_strdup("[USB Devices]\n"); + + while (fgets(buffer, sizeof(buffer), temp_lsusb)) { + if (g_str_has_prefix(buffer, "Bus ")) { + __scan_usb_lsusb_add_device(buffer, sizeof(buffer), temp_lsusb, ++usb_device_number); + } + } + + fclose(temp_lsusb); + + return usb_device_number > 0; +} + +void __scan_usb(void) +{ + if (!__scan_usb_procfs()) { + if (!__scan_usb_sysfs()) { + __scan_usb_lsusb(); + } + } +} |