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freebsd-dev/usr.sbin/usbconfig/usbconfig.c
Pedro F. Giffuni 1de7b4b805 various: general adoption of SPDX licensing ID tags. 
Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error
prone - task.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.

No functional change intended.
2017-11-27 15:37:16 +00:00

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/* $FreeBSD$ */
/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2008-2009 Hans Petter Selasky. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <err.h>
#include <string.h>
#include <pwd.h>
#include <grp.h>
#include <errno.h>
#include <ctype.h>
#include <sys/types.h>
#include <libusb20_desc.h>
#include <libusb20.h>
#include "dump.h"
struct options {
const char *quirkname;
void *buffer;
int template;
gid_t gid;
uid_t uid;
mode_t mode;
uint32_t got_any;
struct LIBUSB20_CONTROL_SETUP_DECODED setup;
uint16_t bus;
uint16_t addr;
uint16_t iface;
uint16_t vid;
uint16_t pid;
uint16_t lo_rev; /* inclusive */
uint16_t hi_rev; /* inclusive */
uint8_t string_index;
uint8_t config_index;
uint8_t alt_index;
uint8_t got_list:1;
uint8_t got_bus:1;
uint8_t got_addr:1;
uint8_t got_iface:1;
uint8_t got_set_config:1;
uint8_t got_set_alt:1;
uint8_t got_set_template:1;
uint8_t got_get_template:1;
uint8_t got_suspend:1;
uint8_t got_resume:1;
uint8_t got_reset:1;
uint8_t got_power_off:1;
uint8_t got_power_save:1;
uint8_t got_power_on:1;
uint8_t got_dump_device_quirks:1;
uint8_t got_dump_quirk_names:1;
uint8_t got_dump_device_desc:1;
uint8_t got_dump_curr_config:1;
uint8_t got_dump_all_config:1;
uint8_t got_dump_info:1;
uint8_t got_show_iface_driver:1;
uint8_t got_remove_device_quirk:1;
uint8_t got_add_device_quirk:1;
uint8_t got_remove_quirk:1;
uint8_t got_add_quirk:1;
uint8_t got_dump_string:1;
uint8_t got_do_request:1;
};
struct token {
const char *name;
uint8_t value;
uint8_t narg;
};
enum {
T_UNIT,
T_ADDR,
T_UGEN,
T_IFACE,
T_SET_CONFIG,
T_SET_ALT,
T_SET_TEMPLATE,
T_GET_TEMPLATE,
T_ADD_DEVICE_QUIRK,
T_REMOVE_DEVICE_QUIRK,
T_ADD_QUIRK,
T_REMOVE_QUIRK,
T_SHOW_IFACE_DRIVER,
T_DUMP_QUIRK_NAMES,
T_DUMP_DEVICE_QUIRKS,
T_DUMP_DEVICE_DESC,
T_DUMP_CURR_CONFIG_DESC,
T_DUMP_ALL_CONFIG_DESC,
T_DUMP_STRING,
T_DUMP_INFO,
T_SUSPEND,
T_RESUME,
T_POWER_OFF,
T_POWER_SAVE,
T_POWER_ON,
T_RESET,
T_LIST,
T_DO_REQUEST,
};
static struct options options;
static const struct token token[] = {
{"-u", T_UNIT, 1},
{"-a", T_ADDR, 1},
{"-d", T_UGEN, 1},
{"-i", T_IFACE, 1},
{"set_config", T_SET_CONFIG, 1},
{"set_alt", T_SET_ALT, 1},
{"set_template", T_SET_TEMPLATE, 1},
{"get_template", T_GET_TEMPLATE, 0},
{"add_dev_quirk_vplh", T_ADD_DEVICE_QUIRK, 5},
{"remove_dev_quirk_vplh", T_REMOVE_DEVICE_QUIRK, 5},
{"add_quirk", T_ADD_QUIRK, 1},
{"remove_quirk", T_REMOVE_QUIRK, 1},
{"dump_quirk_names", T_DUMP_QUIRK_NAMES, 0},
{"dump_device_quirks", T_DUMP_DEVICE_QUIRKS, 0},
{"dump_device_desc", T_DUMP_DEVICE_DESC, 0},
{"dump_curr_config_desc", T_DUMP_CURR_CONFIG_DESC, 0},
{"dump_all_config_desc", T_DUMP_ALL_CONFIG_DESC, 0},
{"dump_string", T_DUMP_STRING, 1},
{"dump_info", T_DUMP_INFO, 0},
{"show_ifdrv", T_SHOW_IFACE_DRIVER, 0},
{"suspend", T_SUSPEND, 0},
{"resume", T_RESUME, 0},
{"power_off", T_POWER_OFF, 0},
{"power_save", T_POWER_SAVE, 0},
{"power_on", T_POWER_ON, 0},
{"reset", T_RESET, 0},
{"list", T_LIST, 0},
{"do_request", T_DO_REQUEST, 5},
};
static void
be_dev_remove_quirk(struct libusb20_backend *pbe,
uint16_t vid, uint16_t pid, uint16_t lorev, uint16_t hirev,
const char *str)
{
struct libusb20_quirk q;
int error;
memset(&q, 0, sizeof(q));
q.vid = vid;
q.pid = pid;
q.bcdDeviceLow = lorev;
q.bcdDeviceHigh = hirev;
strlcpy(q.quirkname, str, sizeof(q.quirkname));
error = libusb20_be_remove_dev_quirk(pbe, &q);
if (error) {
fprintf(stderr, "Removing quirk '%s' failed, continuing.\n", str);
}
return;
}
static void
be_dev_add_quirk(struct libusb20_backend *pbe,
uint16_t vid, uint16_t pid, uint16_t lorev, uint16_t hirev,
const char *str)
{
struct libusb20_quirk q;
int error;
memset(&q, 0, sizeof(q));
q.vid = vid;
q.pid = pid;
q.bcdDeviceLow = lorev;
q.bcdDeviceHigh = hirev;
strlcpy(q.quirkname, str, sizeof(q.quirkname));
error = libusb20_be_add_dev_quirk(pbe, &q);
if (error) {
fprintf(stderr, "Adding quirk '%s' failed, continuing.\n", str);
}
return;
}
static uint8_t
get_token(const char *str, uint8_t narg)
{
uint8_t n;
for (n = 0; n != (sizeof(token) / sizeof(token[0])); n++) {
if (strcasecmp(str, token[n].name) == 0) {
if (token[n].narg > narg) {
/* too few arguments */
break;
}
return (token[n].value);
}
}
return (0 - 1);
}
static uid_t
num_id(const char *name, const char *type)
{
uid_t val;
char *ep;
errno = 0;
val = strtoul(name, &ep, 0);
if (errno) {
err(1, "%s", name);
}
if (*ep != '\0') {
errx(1, "%s: illegal %s name", name, type);
}
return (val);
}
static int
get_int(const char *s)
{
int val;
char *ep;
errno = 0;
val = strtoul(s, &ep, 0);
if (errno) {
err(1, "%s", s);
}
if (*ep != '\0') {
errx(1, "illegal number: %s", s);
}
return val;
}
static void
duplicate_option(const char *ptr)
{
fprintf(stderr, "Syntax error: "
"Duplicate option: '%s'\n", ptr);
exit(1);
}
static void
usage(void)
{
fprintf(stderr, ""
"usbconfig - configure the USB subsystem" "\n"
"usage: usbconfig -u <busnum> -a <devaddr> -i <ifaceindex> [cmds...]" "\n"
"usage: usbconfig -d [ugen]<busnum>.<devaddr> -i <ifaceindex> [cmds...]" "\n"
"commands:" "\n"
" set_config <cfg_index>" "\n"
" set_alt <alt_index>" "\n"
" set_template <template>" "\n"
" get_template" "\n"
" add_dev_quirk_vplh <vid> <pid> <lo_rev> <hi_rev> <quirk>" "\n"
" remove_dev_quirk_vplh <vid> <pid> <lo_rev> <hi_rev> <quirk>" "\n"
" add_quirk <quirk>" "\n"
" remove_quirk <quirk>" "\n"
" dump_quirk_names" "\n"
" dump_device_quirks" "\n"
" dump_device_desc" "\n"
" dump_curr_config_desc" "\n"
" dump_all_config_desc" "\n"
" dump_string <index>" "\n"
" dump_info" "\n"
" show_ifdrv" "\n"
" suspend" "\n"
" resume" "\n"
" power_off" "\n"
" power_save" "\n"
" power_on" "\n"
" reset" "\n"
" list" "\n"
" do_request <bmReqTyp> <bReq> <wVal> <wIdx> <wLen> <data...>" "\n"
);
exit(1);
}
static void
reset_options(struct options *opt)
{
if (opt->buffer)
free(opt->buffer);
memset(opt, 0, sizeof(*opt));
return;
}
static void
flush_command(struct libusb20_backend *pbe, struct options *opt)
{
struct libusb20_device *pdev = NULL;
uint32_t matches = 0;
uint8_t dump_any;
/* check for invalid option combinations */
if ((opt->got_suspend +
opt->got_resume +
opt->got_reset +
opt->got_set_config +
opt->got_set_alt +
opt->got_power_save +
opt->got_power_on +
opt->got_power_off) > 1) {
err(1, "can only specify one of 'set_config', "
"'set_alt', 'reset', 'suspend', 'resume', "
"'power_save', 'power_on' and 'power_off' "
"at the same time!");
}
if (opt->got_dump_quirk_names) {
opt->got_any--;
dump_be_quirk_names(pbe);
}
if (opt->got_dump_device_quirks) {
opt->got_any--;
dump_be_dev_quirks(pbe);
}
if (opt->got_remove_device_quirk) {
opt->got_any--;
be_dev_remove_quirk(pbe,
opt->vid, opt->pid, opt->lo_rev, opt->hi_rev, opt->quirkname);
}
if (opt->got_add_device_quirk) {
opt->got_any--;
be_dev_add_quirk(pbe,
opt->vid, opt->pid, opt->lo_rev, opt->hi_rev, opt->quirkname);
}
if (opt->got_set_template) {
opt->got_any--;
if (libusb20_be_set_template(pbe, opt->template)) {
fprintf(stderr, "Setting USB template %u failed, "
"continuing.\n", opt->template);
}
}
if (opt->got_get_template) {
opt->got_any--;
if (libusb20_be_get_template(pbe, &opt->template))
printf("USB template: <unknown>\n");
else
printf("USB template: %u\n", opt->template);
}
if (opt->got_any == 0) {
/*
* do not scan through all the devices if there are no valid
* options
*/
goto done;
}
while ((pdev = libusb20_be_device_foreach(pbe, pdev))) {
if (opt->got_bus &&
(libusb20_dev_get_bus_number(pdev) != opt->bus)) {
continue;
}
if (opt->got_addr &&
(libusb20_dev_get_address(pdev) != opt->addr)) {
continue;
}
matches++;
if (opt->got_remove_quirk) {
struct LIBUSB20_DEVICE_DESC_DECODED *ddesc;
ddesc = libusb20_dev_get_device_desc(pdev);
be_dev_remove_quirk(pbe,
ddesc->idVendor, ddesc->idProduct,
ddesc->bcdDevice, ddesc->bcdDevice,
opt->quirkname);
}
if (opt->got_add_quirk) {
struct LIBUSB20_DEVICE_DESC_DECODED *ddesc;
ddesc = libusb20_dev_get_device_desc(pdev);
be_dev_add_quirk(pbe,
ddesc->idVendor, ddesc->idProduct,
ddesc->bcdDevice, ddesc->bcdDevice,
opt->quirkname);
}
if (libusb20_dev_open(pdev, 0)) {
err(1, "could not open device");
}
if (opt->got_dump_string) {
dump_string_by_index(pdev, opt->string_index);
}
if (opt->got_do_request) {
uint16_t actlen;
uint16_t t;
if (libusb20_dev_request_sync(pdev, &opt->setup,
opt->buffer, &actlen, 5000 /* 5 seconds */ , 0)) {
printf("REQUEST = <ERROR>\n");
} else if (!(opt->setup.bmRequestType &
LIBUSB20_ENDPOINT_IN)) {
printf("REQUEST = <OK>\n");
} else {
t = actlen;
printf("REQUEST = <");
for (t = 0; t != actlen; t++) {
printf("0x%02x%s",
((uint8_t *)opt->buffer)[t],
(t == (actlen - 1)) ? "" : " ");
}
printf("><");
for (t = 0; t != actlen; t++) {
char c;
c = ((uint8_t *)opt->buffer)[t];
if ((c != '<') &&
(c != '>') && isprint(c)) {
putchar(c);
}
}
printf(">\n");
}
}
if (opt->got_set_config) {
if (libusb20_dev_set_config_index(pdev,
opt->config_index)) {
err(1, "could not set config index");
}
}
if (opt->got_set_alt) {
if (libusb20_dev_set_alt_index(pdev, opt->iface,
opt->alt_index)) {
err(1, "could not set alternate setting");
}
}
if (opt->got_reset) {
if (libusb20_dev_reset(pdev)) {
err(1, "could not reset device");
}
}
if (opt->got_suspend) {
if (libusb20_dev_set_power_mode(pdev,
LIBUSB20_POWER_SUSPEND)) {
err(1, "could not set suspend");
}
}
if (opt->got_resume) {
if (libusb20_dev_set_power_mode(pdev,
LIBUSB20_POWER_RESUME)) {
err(1, "could not set resume");
}
}
if (opt->got_power_off) {
if (libusb20_dev_set_power_mode(pdev,
LIBUSB20_POWER_OFF)) {
err(1, "could not set power OFF");
}
}
if (opt->got_power_save) {
if (libusb20_dev_set_power_mode(pdev,
LIBUSB20_POWER_SAVE)) {
err(1, "could not set power SAVE");
}
}
if (opt->got_power_on) {
if (libusb20_dev_set_power_mode(pdev,
LIBUSB20_POWER_ON)) {
err(1, "could not set power ON");
}
}
dump_any =
(opt->got_dump_device_desc ||
opt->got_dump_curr_config ||
opt->got_dump_all_config ||
opt->got_dump_info);
if (opt->got_list || dump_any) {
dump_device_info(pdev,
opt->got_show_iface_driver);
}
if (opt->got_dump_device_desc) {
printf("\n");
dump_device_desc(pdev);
}
if (opt->got_dump_all_config) {
printf("\n");
dump_config(pdev, 1);
} else if (opt->got_dump_curr_config) {
printf("\n");
dump_config(pdev, 0);
}
if (dump_any) {
printf("\n");
}
if (libusb20_dev_close(pdev)) {
err(1, "could not close device");
}
}
if (matches == 0) {
printf("No device match or lack of permissions.\n");
}
done:
reset_options(opt);
return;
}
int
main(int argc, char **argv)
{
struct libusb20_backend *pbe;
struct options *opt = &options;
const char *ptr;
int unit;
int addr;
int n;
int t;
if (argc < 1) {
usage();
}
pbe = libusb20_be_alloc_default();
if (pbe == NULL)
err(1, "could not access USB backend\n");
for (n = 1; n != argc; n++) {
/* get number of additional options */
t = (argc - n - 1);
if (t > 255)
t = 255;
switch (get_token(argv[n], t)) {
case T_ADD_QUIRK:
if (opt->got_add_quirk) {
flush_command(pbe, opt);
}
opt->quirkname = argv[n + 1];
n++;
opt->got_add_quirk = 1;
opt->got_any++;
break;
case T_REMOVE_QUIRK:
if (opt->got_remove_quirk) {
flush_command(pbe, opt);
}
opt->quirkname = argv[n + 1];
n++;
opt->got_remove_quirk = 1;
opt->got_any++;
break;
case T_ADD_DEVICE_QUIRK:
if (opt->got_add_device_quirk) {
flush_command(pbe, opt);
}
opt->vid = num_id(argv[n + 1], "Vendor ID");
opt->pid = num_id(argv[n + 2], "Product ID");
opt->lo_rev = num_id(argv[n + 3], "Low Revision");
opt->hi_rev = num_id(argv[n + 4], "High Revision");
opt->quirkname = argv[n + 5];
n += 5;
opt->got_add_device_quirk = 1;
opt->got_any++;
break;
case T_REMOVE_DEVICE_QUIRK:
if (opt->got_remove_device_quirk) {
flush_command(pbe, opt);
}
opt->vid = num_id(argv[n + 1], "Vendor ID");
opt->pid = num_id(argv[n + 2], "Product ID");
opt->lo_rev = num_id(argv[n + 3], "Low Revision");
opt->hi_rev = num_id(argv[n + 4], "High Revision");
opt->quirkname = argv[n + 5];
n += 5;
opt->got_remove_device_quirk = 1;
opt->got_any++;
break;
case T_DUMP_QUIRK_NAMES:
if (opt->got_dump_quirk_names)
duplicate_option(argv[n]);
opt->got_dump_quirk_names = 1;
opt->got_any++;
break;
case T_DUMP_DEVICE_QUIRKS:
if (opt->got_dump_device_quirks)
duplicate_option(argv[n]);
opt->got_dump_device_quirks = 1;
opt->got_any++;
break;
case T_SHOW_IFACE_DRIVER:
opt->got_show_iface_driver = 1;
break;
case T_UGEN:
if (opt->got_any) {
/* allow multiple commands on the same line */
flush_command(pbe, opt);
}
ptr = argv[n + 1];
if ((ptr[0] == 'u') &&
(ptr[1] == 'g') &&
(ptr[2] == 'e') &&
(ptr[3] == 'n'))
ptr += 4;
if ((sscanf(ptr, "%d.%d",
&unit, &addr) != 2) ||
(unit < 0) || (unit > 65535) ||
(addr < 0) || (addr > 65535)) {
errx(1, "cannot "
"parse '%s'", argv[n + 1]);
}
opt->bus = unit;
opt->addr = addr;
opt->got_bus = 1;
opt->got_addr = 1;
n++;
break;
case T_UNIT:
if (opt->got_any) {
/* allow multiple commands on the same line */
flush_command(pbe, opt);
}
opt->bus = num_id(argv[n + 1], "busnum");
opt->got_bus = 1;
n++;
break;
case T_ADDR:
opt->addr = num_id(argv[n + 1], "addr");
opt->got_addr = 1;
n++;
break;
case T_IFACE:
opt->iface = num_id(argv[n + 1], "iface");
opt->got_iface = 1;
n++;
break;
case T_SET_CONFIG:
if (opt->got_set_config)
duplicate_option(argv[n]);
opt->config_index = num_id(argv[n + 1], "cfg_index");
opt->got_set_config = 1;
opt->got_any++;
n++;
break;
case T_SET_ALT:
if (opt->got_set_alt)
duplicate_option(argv[n]);
opt->alt_index = num_id(argv[n + 1], "cfg_index");
opt->got_set_alt = 1;
opt->got_any++;
n++;
break;
case T_SET_TEMPLATE:
if (opt->got_set_template)
duplicate_option(argv[n]);
opt->template = get_int(argv[n + 1]);
opt->got_set_template = 1;
opt->got_any++;
n++;
break;
case T_GET_TEMPLATE:
if (opt->got_get_template)
duplicate_option(argv[n]);
opt->got_get_template = 1;
opt->got_any++;
break;
case T_DUMP_DEVICE_DESC:
if (opt->got_dump_device_desc)
duplicate_option(argv[n]);
opt->got_dump_device_desc = 1;
opt->got_any++;
break;
case T_DUMP_CURR_CONFIG_DESC:
if (opt->got_dump_curr_config)
duplicate_option(argv[n]);
opt->got_dump_curr_config = 1;
opt->got_any++;
break;
case T_DUMP_ALL_CONFIG_DESC:
if (opt->got_dump_all_config)
duplicate_option(argv[n]);
opt->got_dump_all_config = 1;
opt->got_any++;
break;
case T_DUMP_INFO:
if (opt->got_dump_info)
duplicate_option(argv[n]);
opt->got_dump_info = 1;
opt->got_any++;
break;
case T_DUMP_STRING:
if (opt->got_dump_string)
duplicate_option(argv[n]);
opt->string_index = num_id(argv[n + 1], "str_index");
opt->got_dump_string = 1;
opt->got_any++;
n++;
break;
case T_SUSPEND:
if (opt->got_suspend)
duplicate_option(argv[n]);
opt->got_suspend = 1;
opt->got_any++;
break;
case T_RESUME:
if (opt->got_resume)
duplicate_option(argv[n]);
opt->got_resume = 1;
opt->got_any++;
break;
case T_POWER_OFF:
if (opt->got_power_off)
duplicate_option(argv[n]);
opt->got_power_off = 1;
opt->got_any++;
break;
case T_POWER_SAVE:
if (opt->got_power_save)
duplicate_option(argv[n]);
opt->got_power_save = 1;
opt->got_any++;
break;
case T_POWER_ON:
if (opt->got_power_on)
duplicate_option(argv[n]);
opt->got_power_on = 1;
opt->got_any++;
break;
case T_RESET:
if (opt->got_reset)
duplicate_option(argv[n]);
opt->got_reset = 1;
opt->got_any++;
break;
case T_LIST:
if (opt->got_list)
duplicate_option(argv[n]);
opt->got_list = 1;
opt->got_any++;
break;
case T_DO_REQUEST:
if (opt->got_do_request)
duplicate_option(argv[n]);
LIBUSB20_INIT(LIBUSB20_CONTROL_SETUP, &opt->setup);
opt->setup.bmRequestType = num_id(argv[n + 1], "bmReqTyp");
opt->setup.bRequest = num_id(argv[n + 2], "bReq");
opt->setup.wValue = num_id(argv[n + 3], "wVal");
opt->setup.wIndex = num_id(argv[n + 4], "wIndex");
opt->setup.wLength = num_id(argv[n + 5], "wLen");
if (opt->setup.wLength != 0) {
opt->buffer = malloc(opt->setup.wLength);
} else {
opt->buffer = NULL;
}
n += 5;
if (!(opt->setup.bmRequestType &
LIBUSB20_ENDPOINT_IN)) {
/* copy in data */
t = (argc - n - 1);
if (t < opt->setup.wLength) {
err(1, "request data missing");
}
t = opt->setup.wLength;
while (t--) {
((uint8_t *)opt->buffer)[t] =
num_id(argv[n + t + 1], "req_data");
}
n += opt->setup.wLength;
}
opt->got_do_request = 1;
opt->got_any++;
break;
default:
usage();
break;
}
}
if (opt->got_any) {
/* flush out last command */
flush_command(pbe, opt);
} else {
/* list all the devices */
opt->got_list = 1;
opt->got_any++;
flush_command(pbe, opt);
}
/* release data */
libusb20_be_free(pbe);
return (0);
}
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