664 lines
22 KiB
C
664 lines
22 KiB
C
/*
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* Copyright (c) 1999-2018 Douglas Gilbert.
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* All rights reserved.
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* Use of this source code is governed by a BSD-style
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* license that can be found in the BSD_LICENSE file.
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*/
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/*
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* CONTENTS
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* Some SCSI commands are executed in many contexts and hence began
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* to appear in several sg3_utils utilities. This files centralizes
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* some of the low level command execution code. In most cases the
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* interpretation of the command response is left to the each
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* utility.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <stdbool.h>
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#include <string.h>
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#include <unistd.h>
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "sg_lib.h"
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#include "sg_cmds_basic.h"
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#include "sg_pt.h"
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#include "sg_unaligned.h"
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/* Needs to be after config.h */
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#ifdef SG_LIB_LINUX
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#include <errno.h>
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#endif
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static const char * const version_str = "1.83 20180204";
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#define SENSE_BUFF_LEN 64 /* Arbitrary, could be larger */
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#define EBUFF_SZ 256
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#define DEF_PT_TIMEOUT 60 /* 60 seconds */
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#define START_PT_TIMEOUT 120 /* 120 seconds == 2 minutes */
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#define LONG_PT_TIMEOUT 7200 /* 7,200 seconds == 120 minutes */
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#define INQUIRY_CMD 0x12
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#define INQUIRY_CMDLEN 6
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#define REQUEST_SENSE_CMD 0x3
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#define REQUEST_SENSE_CMDLEN 6
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#define REPORT_LUNS_CMD 0xa0
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#define REPORT_LUNS_CMDLEN 12
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#define TUR_CMD 0x0
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#define TUR_CMDLEN 6
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#define SAFE_STD_INQ_RESP_LEN 36 /* other lengths lock up some devices */
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const char *
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sg_cmds_version()
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{
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return version_str;
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}
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#if defined(__GNUC__) || defined(__clang__)
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static int pr2ws(const char * fmt, ...)
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__attribute__ ((format (printf, 1, 2)));
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#else
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static int pr2ws(const char * fmt, ...);
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#endif
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static int
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pr2ws(const char * fmt, ...)
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{
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va_list args;
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int n;
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va_start(args, fmt);
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n = vfprintf(sg_warnings_strm ? sg_warnings_strm : stderr, fmt, args);
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va_end(args);
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return n;
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}
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/* Returns file descriptor >= 0 if successful. If error in Unix returns
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negated errno. */
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int
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sg_cmds_open_device(const char * device_name, bool read_only, int verbose)
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{
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/* The following 2 lines are temporary. It is to avoid a NULL pointer
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* crash when an old utility is used with a newer library built after
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* the sg_warnings_strm cleanup */
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if (NULL == sg_warnings_strm)
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sg_warnings_strm = stderr;
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return scsi_pt_open_device(device_name, read_only, verbose);
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}
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/* Returns file descriptor >= 0 if successful. If error in Unix returns
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negated errno. */
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int
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sg_cmds_open_flags(const char * device_name, int flags, int verbose)
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{
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return scsi_pt_open_flags(device_name, flags, verbose);
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}
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/* Returns 0 if successful. If error in Unix returns negated errno. */
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int
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sg_cmds_close_device(int device_fd)
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{
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return scsi_pt_close_device(device_fd);
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}
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static const char * const pass_through_s = "pass-through";
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static int
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sg_cmds_process_helper(const char * leadin, int mx_di_len, int resid,
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const unsigned char * sbp, int slen, bool noisy,
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int verbose, int * o_sense_cat)
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{
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int scat, got;
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bool n = false;
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bool check_data_in = false;
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char b[512];
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scat = sg_err_category_sense(sbp, slen);
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switch (scat) {
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case SG_LIB_CAT_NOT_READY:
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case SG_LIB_CAT_INVALID_OP:
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case SG_LIB_CAT_ILLEGAL_REQ:
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case SG_LIB_CAT_ABORTED_COMMAND:
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case SG_LIB_CAT_COPY_ABORTED:
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case SG_LIB_CAT_DATA_PROTECT:
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case SG_LIB_CAT_PROTECTION:
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case SG_LIB_CAT_NO_SENSE:
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case SG_LIB_CAT_MISCOMPARE:
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n = false;
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break;
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case SG_LIB_CAT_RECOVERED:
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case SG_LIB_CAT_MEDIUM_HARD:
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check_data_in = true;
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#if defined(__GNUC__)
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#if (__GNUC__ >= 7)
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__attribute__((fallthrough));
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/* FALL THROUGH */
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#endif
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#endif
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case SG_LIB_CAT_UNIT_ATTENTION:
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case SG_LIB_CAT_SENSE:
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default:
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n = noisy;
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break;
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}
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if (verbose || n) {
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if (leadin && (strlen(leadin) > 0))
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pr2ws("%s:\n", leadin);
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sg_get_sense_str(NULL, sbp, slen, (verbose > 1),
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sizeof(b), b);
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pr2ws("%s", b);
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if ((mx_di_len > 0) && (resid > 0)) {
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got = mx_di_len - resid;
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if ((verbose > 2) || check_data_in || (got > 0))
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pr2ws(" %s requested %d bytes (data-in) but got %d "
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"bytes\n", pass_through_s, mx_di_len, got);
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}
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}
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if (o_sense_cat)
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*o_sense_cat = scat;
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return -2;
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}
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/* This is a helper function used by sg_cmds_* implementations after the
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* call to the pass-through. pt_res is returned from do_scsi_pt(). If valid
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* sense data is found it is decoded and output to sg_warnings_strm (def:
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* stderr); depending on the 'noisy' and 'verbose' settings. Returns -2 for
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* "sense" category (may not be fatal), -1 for failed, 0, or a positive
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* number. If 'mx_di_len > 0' then asks pass-through for resid and returns
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* (mx_di_len - resid); otherwise returns 0. So for data-in it should return
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* the actual number of bytes received. For data-out (to device) or no data
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* call with 'mx_di_len' set to 0 or less. If -2 returned then sense category
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* output via 'o_sense_cat' pointer (if not NULL). Note that several sense
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* categories also have data in bytes received; -2 is still returned. */
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int
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sg_cmds_process_resp(struct sg_pt_base * ptvp, const char * leadin,
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int pt_res, int mx_di_len, const unsigned char * sbp,
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bool noisy, int verbose, int * o_sense_cat)
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{
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int got, cat, duration, slen, resid, resp_code, sstat;
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bool transport_sense;
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char b[1024];
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if (NULL == leadin)
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leadin = "";
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if (pt_res < 0) {
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#ifdef SG_LIB_LINUX
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if (verbose)
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pr2ws("%s: %s os error: %s\n", leadin, pass_through_s,
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safe_strerror(-pt_res));
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if ((-ENXIO == pt_res) && o_sense_cat) {
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if (verbose > 2)
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pr2ws("map ENXIO to SG_LIB_CAT_NOT_READY\n");
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*o_sense_cat = SG_LIB_CAT_NOT_READY;
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return -2;
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} else if (noisy && (0 == verbose))
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pr2ws("%s: %s os error: %s\n", leadin, pass_through_s,
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safe_strerror(-pt_res));
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#else
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if (noisy || verbose)
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pr2ws("%s: %s os error: %s\n", leadin, pass_through_s,
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safe_strerror(-pt_res));
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#endif
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return -1;
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} else if (SCSI_PT_DO_BAD_PARAMS == pt_res) {
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pr2ws("%s: bad %s setup\n", leadin, pass_through_s);
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return -1;
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} else if (SCSI_PT_DO_TIMEOUT == pt_res) {
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pr2ws("%s: %s timeout\n", leadin, pass_through_s);
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return -1;
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}
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if ((verbose > 2) && ((duration = get_scsi_pt_duration_ms(ptvp)) >= 0))
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pr2ws(" duration=%d ms\n", duration);
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resid = (mx_di_len > 0) ? get_scsi_pt_resid(ptvp) : 0;
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slen = get_scsi_pt_sense_len(ptvp);
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switch ((cat = get_scsi_pt_result_category(ptvp))) {
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case SCSI_PT_RESULT_GOOD:
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if (sbp && (slen > 7)) {
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resp_code = sbp[0] & 0x7f;
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/* SBC referrals can have status=GOOD and sense_key=COMPLETED */
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if (resp_code >= 0x70) {
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if (resp_code < 0x72) {
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if (SPC_SK_NO_SENSE != (0xf & sbp[2]))
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sg_err_category_sense(sbp, slen);
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} else if (resp_code < 0x74) {
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if (SPC_SK_NO_SENSE != (0xf & sbp[1]))
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sg_err_category_sense(sbp, slen);
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}
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}
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}
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if (mx_di_len > 0) {
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got = mx_di_len - resid;
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if ((verbose > 1) && (resid != 0))
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pr2ws(" %s: %s requested %d bytes (data-in) but got %d "
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"bytes\n", leadin, pass_through_s, mx_di_len, got);
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if (got >= 0)
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return got;
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else {
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if (verbose)
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pr2ws(" %s: %s can't get negative bytes, say it got "
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"none\n", leadin, pass_through_s);
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return 0;
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}
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} else
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return 0;
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case SCSI_PT_RESULT_STATUS: /* other than GOOD and CHECK CONDITION */
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sstat = get_scsi_pt_status_response(ptvp);
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if (o_sense_cat) {
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switch (sstat) {
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case SAM_STAT_RESERVATION_CONFLICT:
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*o_sense_cat = SG_LIB_CAT_RES_CONFLICT;
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return -2;
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case SAM_STAT_CONDITION_MET:
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*o_sense_cat = SG_LIB_CAT_CONDITION_MET;
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return -2;
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case SAM_STAT_BUSY:
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*o_sense_cat = SG_LIB_CAT_BUSY;
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return -2;
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case SAM_STAT_TASK_SET_FULL:
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*o_sense_cat = SG_LIB_CAT_TS_FULL;
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return -2;
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case SAM_STAT_ACA_ACTIVE:
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*o_sense_cat = SG_LIB_CAT_ACA_ACTIVE;
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return -2;
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case SAM_STAT_TASK_ABORTED:
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*o_sense_cat = SG_LIB_CAT_TASK_ABORTED;
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return -2;
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default:
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break;
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}
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}
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if (verbose || noisy) {
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sg_get_scsi_status_str(sstat, sizeof(b), b);
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pr2ws("%s: scsi status: %s\n", leadin, b);
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}
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return -1;
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case SCSI_PT_RESULT_SENSE:
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return sg_cmds_process_helper(leadin, mx_di_len, resid, sbp, slen,
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noisy, verbose, o_sense_cat);
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case SCSI_PT_RESULT_TRANSPORT_ERR:
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if (verbose || noisy) {
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get_scsi_pt_transport_err_str(ptvp, sizeof(b), b);
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pr2ws("%s: transport: %s\n", leadin, b);
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}
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#ifdef SG_LIB_LINUX
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transport_sense = (slen > 0);
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#else
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transport_sense = ((SAM_STAT_CHECK_CONDITION ==
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get_scsi_pt_status_response(ptvp)) && (slen > 0));
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#endif
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if (transport_sense)
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return sg_cmds_process_helper(leadin, mx_di_len, resid, sbp,
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slen, noisy, verbose, o_sense_cat);
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else
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return -1;
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case SCSI_PT_RESULT_OS_ERR:
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if (verbose || noisy) {
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get_scsi_pt_os_err_str(ptvp, sizeof(b), b);
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pr2ws("%s: os: %s\n", leadin, b);
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}
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return -1;
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default:
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pr2ws("%s: unknown %s result category (%d)\n", leadin, pass_through_s,
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cat);
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return -1;
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}
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}
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bool
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sg_cmds_is_nvme(const struct sg_pt_base * ptvp)
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{
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return pt_device_is_nvme(ptvp);
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}
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static struct sg_pt_base *
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create_pt_obj(const char * cname)
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{
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struct sg_pt_base * ptvp = construct_scsi_pt_obj();
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if (NULL == ptvp)
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pr2ws("%s: out of memory\n", cname);
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return ptvp;
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}
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static const char * const inquiry_s = "inquiry";
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static int
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sg_ll_inquiry_com(int sg_fd, bool cmddt, bool evpd, int pg_op, void * resp,
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int mx_resp_len, int timeout_secs, int * residp,
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bool noisy, int verbose)
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{
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int res, ret, k, sense_cat, resid;
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unsigned char inq_cdb[INQUIRY_CMDLEN] = {INQUIRY_CMD, 0, 0, 0, 0, 0};
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unsigned char sense_b[SENSE_BUFF_LEN];
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unsigned char * up;
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struct sg_pt_base * ptvp;
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if (cmddt)
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inq_cdb[1] |= 0x2;
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if (evpd)
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inq_cdb[1] |= 0x1;
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inq_cdb[2] = (unsigned char)pg_op;
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/* 16 bit allocation length (was 8, increased in spc3r09, 200209) */
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sg_put_unaligned_be16((uint16_t)mx_resp_len, inq_cdb + 3);
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if (verbose) {
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pr2ws(" %s cdb: ", inquiry_s);
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for (k = 0; k < INQUIRY_CMDLEN; ++k)
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pr2ws("%02x ", inq_cdb[k]);
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pr2ws("\n");
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}
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if (resp && (mx_resp_len > 0)) {
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up = (unsigned char *)resp;
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up[0] = 0x7f; /* defensive prefill */
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if (mx_resp_len > 4)
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up[4] = 0;
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}
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if (timeout_secs <= 0)
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timeout_secs = DEF_PT_TIMEOUT;
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ptvp = construct_scsi_pt_obj();
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if (NULL == ptvp) {
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pr2ws("%s: out of memory\n", __func__);
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if (residp)
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*residp = 0;
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return -1;
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}
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set_scsi_pt_cdb(ptvp, inq_cdb, sizeof(inq_cdb));
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set_scsi_pt_sense(ptvp, sense_b, sizeof(sense_b));
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set_scsi_pt_data_in(ptvp, (unsigned char *)resp, mx_resp_len);
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res = do_scsi_pt(ptvp, sg_fd, timeout_secs, verbose);
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ret = sg_cmds_process_resp(ptvp, inquiry_s, res, mx_resp_len, sense_b,
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noisy, verbose, &sense_cat);
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resid = get_scsi_pt_resid(ptvp);
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if (residp)
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*residp = resid;
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if (-1 == ret)
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ret = sg_convert_errno(get_scsi_pt_os_err(ptvp));
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else if (-2 == ret) {
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switch (sense_cat) {
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case SG_LIB_CAT_RECOVERED:
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case SG_LIB_CAT_NO_SENSE:
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ret = 0;
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break;
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default:
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ret = sense_cat;
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break;
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}
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} else if (ret < 4) {
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if (verbose)
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pr2ws("%s: got too few bytes (%d)\n", __func__, ret);
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ret = SG_LIB_CAT_MALFORMED;
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} else
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ret = 0;
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destruct_scsi_pt_obj(ptvp);
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if (resid > 0) {
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if (resid > mx_resp_len) {
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pr2ws("%s resid (%d) should never exceed requested "
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"len=%d\n", inquiry_s, resid, mx_resp_len);
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return ret ? ret : SG_LIB_CAT_MALFORMED;
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}
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/* zero unfilled section of response buffer, based on resid */
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memset((unsigned char *)resp + (mx_resp_len - resid), 0, resid);
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}
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return ret;
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}
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/* Invokes a SCSI INQUIRY command and yields the response. Returns 0 when
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* successful, various SG_LIB_CAT_* positive values or -1 -> other errors.
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* The CMDDT field is obsolete in the INQUIRY cdb. */
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int
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sg_ll_inquiry(int sg_fd, bool cmddt, bool evpd, int pg_op, void * resp,
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int mx_resp_len, bool noisy, int verbose)
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{
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return sg_ll_inquiry_com(sg_fd, cmddt, evpd, pg_op, resp, mx_resp_len,
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0 /* timeout_sec */, NULL, noisy, verbose);
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}
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/* Yields most of first 36 bytes of a standard INQUIRY (evpd==0) response.
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* Returns 0 when successful, various SG_LIB_CAT_* positive values or
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* -1 -> other errors */
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int
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sg_simple_inquiry(int sg_fd, struct sg_simple_inquiry_resp * inq_data,
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bool noisy, int verbose)
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{
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int ret;
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unsigned char inq_resp[SAFE_STD_INQ_RESP_LEN];
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if (inq_data) {
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memset(inq_data, 0, sizeof(* inq_data));
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inq_data->peripheral_qualifier = 0x3;
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inq_data->peripheral_type = 0x1f;
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}
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ret = sg_ll_inquiry_com(sg_fd, false, false, 0, inq_resp,
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sizeof(inq_resp), 0, NULL, noisy, verbose);
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if (inq_data && (0 == ret)) {
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inq_data->peripheral_qualifier = (inq_resp[0] >> 5) & 0x7;
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inq_data->peripheral_type = inq_resp[0] & 0x1f;
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inq_data->byte_1 = inq_resp[1];
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inq_data->version = inq_resp[2];
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inq_data->byte_3 = inq_resp[3];
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inq_data->byte_5 = inq_resp[5];
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inq_data->byte_6 = inq_resp[6];
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inq_data->byte_7 = inq_resp[7];
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memcpy(inq_data->vendor, inq_resp + 8, 8);
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memcpy(inq_data->product, inq_resp + 16, 16);
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memcpy(inq_data->revision, inq_resp + 32, 4);
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}
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return ret;
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}
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/* Invokes a SCSI INQUIRY command and yields the response. Returns 0 when
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* successful, various SG_LIB_CAT_* positive values or -1 -> other errors.
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* The CMDDT field is obsolete in the INQUIRY cdb (since spc3r16 in 2003) so
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* an argument to set it has been removed (use the REPORT SUPPORTED OPERATION
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* CODES command instead). Adds the ability to set the command abort timeout
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* and the ability to report the residual count. If timeout_secs is zero
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* or less the default command abort timeout (60 seconds) is used.
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* If residp is non-NULL then the residual value is written where residp
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* points. A residual value of 0 implies mx_resp_len bytes have be written
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* where resp points. If the residual value equals mx_resp_len then no
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* bytes have been written. */
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int
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sg_ll_inquiry_v2(int sg_fd, bool evpd, int pg_op, void * resp,
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int mx_resp_len, int timeout_secs, int * residp,
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bool noisy, int verbose)
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{
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return sg_ll_inquiry_com(sg_fd, false, evpd, pg_op, resp, mx_resp_len,
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timeout_secs, residp, noisy, verbose);
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}
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/* Invokes a SCSI TEST UNIT READY command.
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* 'pack_id' is just for diagnostics, safe to set to 0.
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* Looks for progress indicator if 'progress' non-NULL;
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* if found writes value [0..65535] else write -1.
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* Returns 0 when successful, various SG_LIB_CAT_* positive values or
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* -1 -> other errors */
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int
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sg_ll_test_unit_ready_progress(int sg_fd, int pack_id, int * progress,
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bool noisy, int verbose)
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{
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static const char * const tur_s = "test unit ready";
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int res, ret, k, sense_cat;
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unsigned char tur_cdb[TUR_CMDLEN] = {TUR_CMD, 0, 0, 0, 0, 0};
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unsigned char sense_b[SENSE_BUFF_LEN];
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struct sg_pt_base * ptvp;
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if (verbose) {
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pr2ws(" %s cdb: ", tur_s);
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for (k = 0; k < TUR_CMDLEN; ++k)
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pr2ws("%02x ", tur_cdb[k]);
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pr2ws("\n");
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}
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if (NULL == ((ptvp = create_pt_obj(tur_s))))
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return -1;
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set_scsi_pt_cdb(ptvp, tur_cdb, sizeof(tur_cdb));
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set_scsi_pt_sense(ptvp, sense_b, sizeof(sense_b));
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set_scsi_pt_packet_id(ptvp, pack_id);
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res = do_scsi_pt(ptvp, sg_fd, DEF_PT_TIMEOUT, verbose);
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ret = sg_cmds_process_resp(ptvp, tur_s, res, SG_NO_DATA_IN, sense_b,
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noisy, verbose, &sense_cat);
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if (-1 == ret) {
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int os_err = get_scsi_pt_os_err(ptvp);
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if ((os_err > 0) && (os_err < 47))
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ret = SG_LIB_OS_BASE_ERR + os_err;
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} else if (-2 == ret) {
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if (progress) {
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int slen = get_scsi_pt_sense_len(ptvp);
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if (! sg_get_sense_progress_fld(sense_b, slen, progress))
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*progress = -1;
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}
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switch (sense_cat) {
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case SG_LIB_CAT_RECOVERED:
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case SG_LIB_CAT_NO_SENSE:
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ret = 0;
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break;
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default:
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ret = sense_cat;
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break;
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}
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} else
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ret = 0;
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destruct_scsi_pt_obj(ptvp);
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return ret;
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}
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/* Invokes a SCSI TEST UNIT READY command.
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* 'pack_id' is just for diagnostics, safe to set to 0.
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* Returns 0 when successful, various SG_LIB_CAT_* positive values or
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* -1 -> other errors */
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int
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sg_ll_test_unit_ready(int sg_fd, int pack_id, bool noisy, int verbose)
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{
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return sg_ll_test_unit_ready_progress(sg_fd, pack_id, NULL, noisy,
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verbose);
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}
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/* Invokes a SCSI REQUEST SENSE command. Returns 0 when successful, various
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* SG_LIB_CAT_* positive values or -1 -> other errors */
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int
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sg_ll_request_sense(int sg_fd, bool desc, void * resp, int mx_resp_len,
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bool noisy, int verbose)
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{
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static const char * const rq_s = "request sense";
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int k, ret, res, sense_cat;
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unsigned char rs_cdb[REQUEST_SENSE_CMDLEN] =
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{REQUEST_SENSE_CMD, 0, 0, 0, 0, 0};
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unsigned char sense_b[SENSE_BUFF_LEN];
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struct sg_pt_base * ptvp;
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if (desc)
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rs_cdb[1] |= 0x1;
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if (mx_resp_len > 0xff) {
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pr2ws("mx_resp_len cannot exceed 255\n");
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return -1;
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}
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rs_cdb[4] = mx_resp_len & 0xff;
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if (verbose) {
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pr2ws(" %s cmd: ", rq_s);
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for (k = 0; k < REQUEST_SENSE_CMDLEN; ++k)
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pr2ws("%02x ", rs_cdb[k]);
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pr2ws("\n");
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}
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if (NULL == ((ptvp = create_pt_obj(rq_s))))
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return -1;
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set_scsi_pt_cdb(ptvp, rs_cdb, sizeof(rs_cdb));
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set_scsi_pt_sense(ptvp, sense_b, sizeof(sense_b));
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set_scsi_pt_data_in(ptvp, (unsigned char *)resp, mx_resp_len);
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res = do_scsi_pt(ptvp, sg_fd, DEF_PT_TIMEOUT, verbose);
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ret = sg_cmds_process_resp(ptvp, rq_s, res, mx_resp_len, sense_b, noisy,
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verbose, &sense_cat);
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if (-1 == ret) {
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int os_err = get_scsi_pt_os_err(ptvp);
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if ((os_err > 0) && (os_err < 47))
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ret = SG_LIB_OS_BASE_ERR + os_err;
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} else if (-2 == ret) {
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switch (sense_cat) {
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case SG_LIB_CAT_RECOVERED:
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case SG_LIB_CAT_NO_SENSE:
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ret = 0;
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break;
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default:
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ret = sense_cat;
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break;
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}
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} else {
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if ((mx_resp_len >= 8) && (ret < 8)) {
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if (verbose)
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pr2ws(" %s: got %d bytes in response, too short\n", rq_s,
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ret);
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ret = -1;
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} else
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ret = 0;
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}
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destruct_scsi_pt_obj(ptvp);
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return ret;
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}
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/* Invokes a SCSI REPORT LUNS command. Return of 0 -> success,
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* various SG_LIB_CAT_* positive values or -1 -> other errors */
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int
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sg_ll_report_luns(int sg_fd, int select_report, void * resp, int mx_resp_len,
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bool noisy, int verbose)
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{
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static const char * const report_luns_s = "report luns";
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int k, ret, res, sense_cat;
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unsigned char rl_cdb[REPORT_LUNS_CMDLEN] =
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{REPORT_LUNS_CMD, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
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unsigned char sense_b[SENSE_BUFF_LEN];
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struct sg_pt_base * ptvp;
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rl_cdb[2] = select_report & 0xff;
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sg_put_unaligned_be32((uint32_t)mx_resp_len, rl_cdb + 6);
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if (verbose) {
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pr2ws(" %s cdb: ", report_luns_s);
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for (k = 0; k < REPORT_LUNS_CMDLEN; ++k)
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|
pr2ws("%02x ", rl_cdb[k]);
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|
pr2ws("\n");
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}
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|
if (NULL == ((ptvp = create_pt_obj(report_luns_s))))
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|
return -1;
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|
set_scsi_pt_cdb(ptvp, rl_cdb, sizeof(rl_cdb));
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set_scsi_pt_sense(ptvp, sense_b, sizeof(sense_b));
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set_scsi_pt_data_in(ptvp, (unsigned char *)resp, mx_resp_len);
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res = do_scsi_pt(ptvp, sg_fd, DEF_PT_TIMEOUT, verbose);
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|
ret = sg_cmds_process_resp(ptvp, report_luns_s, res, mx_resp_len,
|
|
sense_b, noisy, verbose, &sense_cat);
|
|
if (-1 == ret) {
|
|
int os_err = get_scsi_pt_os_err(ptvp);
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|
|
|
if ((os_err > 0) && (os_err < 47))
|
|
ret = SG_LIB_OS_BASE_ERR + os_err;
|
|
} else if (-2 == ret) {
|
|
switch (sense_cat) {
|
|
case SG_LIB_CAT_RECOVERED:
|
|
case SG_LIB_CAT_NO_SENSE:
|
|
ret = 0;
|
|
break;
|
|
default:
|
|
ret = sense_cat;
|
|
break;
|
|
}
|
|
} else
|
|
ret = 0;
|
|
destruct_scsi_pt_obj(ptvp);
|
|
return ret;
|
|
}
|