| File: | src/usr.sbin/usbdevs/usbdevs.c |
| Warning: | line 260, column 2 Value stored to 'argv' is never read |
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| 1 | /* $OpenBSD: usbdevs.c,v 1.34 2021/07/12 15:09:22 beck Exp $ */ |
| 2 | /* $NetBSD: usbdevs.c,v 1.19 2002/02/21 00:34:31 christos Exp $ */ |
| 3 | |
| 4 | /* |
| 5 | * Copyright (c) 1998 The NetBSD Foundation, Inc. |
| 6 | * All rights reserved. |
| 7 | * |
| 8 | * This code is derived from software contributed to The NetBSD Foundation |
| 9 | * by Lennart Augustsson (augustss@netbsd.org). |
| 10 | * |
| 11 | * Redistribution and use in source and binary forms, with or without |
| 12 | * modification, are permitted provided that the following conditions |
| 13 | * are met: |
| 14 | * 1. Redistributions of source code must retain the above copyright |
| 15 | * notice, this list of conditions and the following disclaimer. |
| 16 | * 2. Redistributions in binary form must reproduce the above copyright |
| 17 | * notice, this list of conditions and the following disclaimer in the |
| 18 | * documentation and/or other materials provided with the distribution. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 21 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 22 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 23 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 24 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 25 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 26 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 28 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 29 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 30 | * POSSIBILITY OF SUCH DAMAGE. |
| 31 | */ |
| 32 | |
| 33 | #include <sys/types.h> |
| 34 | #include <dev/usb/usb.h> |
| 35 | |
| 36 | #include <err.h> |
| 37 | #include <errno(*__errno()).h> |
| 38 | #include <fcntl.h> |
| 39 | #include <limits.h> |
| 40 | #include <stdio.h> |
| 41 | #include <stdlib.h> |
| 42 | #include <vis.h> |
| 43 | #include <string.h> |
| 44 | #include <unistd.h> |
| 45 | |
| 46 | #ifndef nitems |
| 47 | #define nitems(_a)(sizeof((_a)) / sizeof((_a)[0])) (sizeof((_a)) / sizeof((_a)[0])) |
| 48 | #endif |
| 49 | |
| 50 | #define MINIMUM(a, b)(((a) < (b)) ? (a) : (b)) (((a) < (b)) ? (a) : (b)) |
| 51 | |
| 52 | #define USBDEV"/dev/usb" "/dev/usb" |
| 53 | |
| 54 | int verbose = 0; |
| 55 | char done[USB_MAX_DEVICES128]; |
| 56 | |
| 57 | void usage(void); |
| 58 | void dump_device(int, uint8_t); |
| 59 | void dump_controller(char *, int, uint8_t); |
| 60 | int main(int, char **); |
| 61 | |
| 62 | extern char *__progname; |
| 63 | |
| 64 | void |
| 65 | usage(void) |
| 66 | { |
| 67 | fprintf(stderr(&__sF[2]), "usage: %s [-v] [-a addr] [-d usbdev]\n", __progname); |
| 68 | exit(1); |
| 69 | } |
| 70 | |
| 71 | void |
| 72 | dump_device(int fd, uint8_t addr) |
| 73 | { |
| 74 | struct usb_device_info di; |
| 75 | int i; |
| 76 | char vv[sizeof(di.udi_vendor)*4], vp[sizeof(di.udi_product)*4]; |
| 77 | char vr[sizeof(di.udi_release)*4], vs[sizeof(di.udi_serial)*4]; |
| 78 | |
| 79 | di.udi_addr = addr; |
| 80 | if (ioctl(fd, USB_DEVICEINFO(((unsigned long)0x80000000|(unsigned long)0x40000000) | ((sizeof (struct usb_device_info) & 0x1fff) << 16) | ((('U') ) << 8) | ((4))), &di) == -1) { |
| 81 | if (errno(*__errno()) != ENXIO6) |
| 82 | warn("addr %u", addr); |
| 83 | return; |
| 84 | } |
| 85 | |
| 86 | done[addr] = 1; |
| 87 | |
| 88 | strvis(vv, di.udi_vendor, VIS_CSTYLE0x02); |
| 89 | strvis(vp, di.udi_product, VIS_CSTYLE0x02); |
| 90 | printf("addr %02u: %04x:%04x %s, %s", addr, |
| 91 | di.udi_vendorNo, di.udi_productNo, |
| 92 | vv, vp); |
| 93 | |
| 94 | if (verbose) { |
| 95 | printf("\n\t "); |
| 96 | switch (di.udi_speed) { |
| 97 | case USB_SPEED_LOW1: |
| 98 | printf("low speed"); |
| 99 | break; |
| 100 | case USB_SPEED_FULL2: |
| 101 | printf("full speed"); |
| 102 | break; |
| 103 | case USB_SPEED_HIGH3: |
| 104 | printf("high speed"); |
| 105 | break; |
| 106 | case USB_SPEED_SUPER4: |
| 107 | printf("super speed"); |
| 108 | break; |
| 109 | default: |
| 110 | break; |
| 111 | } |
| 112 | |
| 113 | if (di.udi_power) |
| 114 | printf(", power %d mA", di.udi_power); |
| 115 | else |
| 116 | printf(", self powered"); |
| 117 | |
| 118 | if (di.udi_config) |
| 119 | printf(", config %d", di.udi_config); |
| 120 | else |
| 121 | printf(", unconfigured"); |
| 122 | |
| 123 | strvis(vr, di.udi_release, VIS_CSTYLE0x02); |
| 124 | printf(", rev %s", vr); |
| 125 | |
| 126 | if (di.udi_serial[0] != '\0') { |
| 127 | strvis(vs, di.udi_serial, VIS_CSTYLE0x02); |
| 128 | printf(", iSerial %s", vs); |
| 129 | } |
| 130 | } |
| 131 | printf("\n"); |
| 132 | |
| 133 | if (verbose) |
| 134 | for (i = 0; i < USB_MAX_DEVNAMES4; i++) |
| 135 | if (di.udi_devnames[i][0] != '\0') |
| 136 | printf("\t driver: %s\n", di.udi_devnames[i]); |
| 137 | |
| 138 | if (verbose > 1) { |
| 139 | int port, nports; |
| 140 | |
| 141 | nports = MINIMUM(di.udi_nports, nitems(di.udi_ports))(((di.udi_nports) < ((sizeof((di.udi_ports)) / sizeof((di. udi_ports)[0])))) ? (di.udi_nports) : ((sizeof((di.udi_ports) ) / sizeof((di.udi_ports)[0])))); |
| 142 | for (port = 0; port < nports; port++) { |
| 143 | uint16_t status, change; |
| 144 | |
| 145 | status = di.udi_ports[port] & 0xffff; |
| 146 | change = di.udi_ports[port] >> 16; |
| 147 | |
| 148 | printf("\t port %02u: %04x.%04x", port+1, change, |
| 149 | status); |
| 150 | |
| 151 | if (status & UPS_CURRENT_CONNECT_STATUS0x0001) |
| 152 | printf(" connect"); |
| 153 | |
| 154 | if (status & UPS_PORT_ENABLED0x0002) |
| 155 | printf(" enabled"); |
| 156 | |
| 157 | if (status & UPS_SUSPEND0x0004) |
| 158 | printf(" supsend"); |
| 159 | |
| 160 | if (status & UPS_OVERCURRENT_INDICATOR0x0008) |
| 161 | printf(" overcurrent"); |
| 162 | |
| 163 | if (di.udi_speed < USB_SPEED_SUPER4) { |
| 164 | if (status & UPS_PORT_L10x0020) |
| 165 | printf(" l1"); |
| 166 | |
| 167 | if (status & UPS_PORT_POWER0x0100) |
| 168 | printf(" power"); |
| 169 | } else { |
| 170 | if (status & UPS_PORT_POWER_SS0x0200) |
| 171 | printf(" power"); |
| 172 | |
| 173 | switch (UPS_PORT_LS_GET(status)(((status) >> 5) & 0xf)) { |
| 174 | case UPS_PORT_LS_U00x00: |
| 175 | printf(" U0"); |
| 176 | break; |
| 177 | case UPS_PORT_LS_U10x01: |
| 178 | printf(" U1"); |
| 179 | break; |
| 180 | case UPS_PORT_LS_U20x02: |
| 181 | printf(" U2"); |
| 182 | break; |
| 183 | case UPS_PORT_LS_U30x03: |
| 184 | printf(" U3"); |
| 185 | break; |
| 186 | case UPS_PORT_LS_SS_DISABLED0x04: |
| 187 | printf(" SS.disabled"); |
| 188 | break; |
| 189 | case UPS_PORT_LS_RX_DETECT0x05: |
| 190 | printf(" Rx.detect"); |
| 191 | break; |
| 192 | case UPS_PORT_LS_SS_INACTIVE0x06: |
| 193 | printf(" ss.inactive"); |
| 194 | break; |
| 195 | case UPS_PORT_LS_POLLING0x07: |
| 196 | printf(" polling"); |
| 197 | break; |
| 198 | case UPS_PORT_LS_RECOVERY0x08: |
| 199 | printf(" recovery"); |
| 200 | break; |
| 201 | case UPS_PORT_LS_HOT_RESET0x09: |
| 202 | printf(" hot.reset"); |
| 203 | break; |
| 204 | case UPS_PORT_LS_COMP_MOD0x0a: |
| 205 | printf(" comp.mod"); |
| 206 | break; |
| 207 | case UPS_PORT_LS_LOOPBACK0x0b: |
| 208 | printf(" loopback"); |
| 209 | break; |
| 210 | } |
| 211 | } |
| 212 | |
| 213 | printf("\n"); |
| 214 | } |
| 215 | } |
| 216 | } |
| 217 | |
| 218 | void |
| 219 | dump_controller(char *name, int fd, uint8_t addr) |
| 220 | { |
| 221 | memset(done, 0, sizeof(done)); |
| 222 | |
| 223 | if (addr) { |
| 224 | dump_device(fd, addr); |
| 225 | return; |
| 226 | } |
| 227 | |
| 228 | printf("Controller %s:\n", name); |
| 229 | for (addr = 1; addr < USB_MAX_DEVICES128; addr++) |
| 230 | if (!done[addr]) |
| 231 | dump_device(fd, addr); |
| 232 | } |
| 233 | |
| 234 | int |
| 235 | main(int argc, char **argv) |
| 236 | { |
| 237 | int ch, fd; |
| 238 | char *controller = NULL((void *)0); |
| 239 | uint8_t addr = 0; |
| 240 | const char *errstr; |
| 241 | |
| 242 | while ((ch = getopt(argc, argv, "a:d:v?")) != -1) { |
| 243 | switch (ch) { |
| 244 | case 'a': |
| 245 | addr = strtonum(optarg, 1, USB_MAX_DEVICES128-1, &errstr); |
| 246 | if (errstr) |
| 247 | errx(1, "addr %s", errstr); |
| 248 | break; |
| 249 | case 'd': |
| 250 | controller = optarg; |
| 251 | break; |
| 252 | case 'v': |
| 253 | verbose++; |
| 254 | break; |
| 255 | default: |
| 256 | usage(); |
| 257 | } |
| 258 | } |
| 259 | argc -= optind; |
| 260 | argv += optind; |
Value stored to 'argv' is never read | |
| 261 | |
| 262 | if (argc != 0) |
| 263 | usage(); |
| 264 | |
| 265 | if (unveil("/dev", "r") == -1) |
| 266 | err(1, "unveil /dev"); |
| 267 | if (unveil(NULL((void *)0), NULL((void *)0)) == -1) |
| 268 | err(1, "unveil"); |
| 269 | |
| 270 | if (controller == NULL((void *)0)) { |
| 271 | int i; |
| 272 | int ncont = 0; |
| 273 | |
| 274 | for (i = 0; i < 10; i++) { |
| 275 | char path[PATH_MAX1024]; |
| 276 | |
| 277 | snprintf(path, sizeof(path), "%s%d", USBDEV"/dev/usb", i); |
| 278 | if ((fd = open(path, O_RDONLY0x0000)) < 0) { |
| 279 | if (errno(*__errno()) != ENOENT2 && errno(*__errno()) != ENXIO6) |
| 280 | warn("%s", path); |
| 281 | continue; |
| 282 | } |
| 283 | |
| 284 | dump_controller(path, fd, addr); |
| 285 | close(fd); |
| 286 | ncont++; |
| 287 | } |
| 288 | if (verbose && ncont == 0) |
| 289 | printf("%s: no USB controllers found\n", |
| 290 | __progname); |
| 291 | } else { |
| 292 | if ((fd = open(controller, O_RDONLY0x0000)) < 0) |
| 293 | err(1, "%s", controller); |
| 294 | |
| 295 | dump_controller(controller, fd, addr); |
| 296 | close(fd); |
| 297 | } |
| 298 | |
| 299 | return 0; |
| 300 | } |