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/*
* Copyright (c) 2006-2021 Douglas Gilbert.
* All rights reserved.
* Use of this source code is governed by a BSD-style
* license that can be found in the BSD_LICENSE file.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <unistd.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <getopt.h>
#include <ctype.h>
#include <errno.h>
#include "sg_lib.h"
/* A utility program for the Linux OS SCSI subsystem.
*
* This program takes a asc_ascq.txt file from www.t10.org and
* checks it against the additional sense codes held in the
* sg_lib.c file.
* The online version of the asc_ascq codes can be found at:
* https://www.t10.org/lists/asc-num.txt
*/
static const char * version_str = "1.09 20210226";
#define MAX_LINE_LEN 1024
static struct option long_options[] = {
{"help", 0, 0, 'h'},
{"verbose", 0, 0, 'v'},
{"version", 0, 0, 'V'},
{0, 0, 0, 0},
};
static void usage()
{
fprintf(stderr, "Usage: "
"sg_chk_asc [--help] [--offset=POS] [--verbose] [--version]\n"
" <asc_ascq_file>\n"
" where:\n"
" --help|-h print out usage message\n"
" --offset=POS|-o POS line position in file where "
"text starts\n"
" origin 0 (def: 24 (was 25))\n"
" --verbose|-v increase verbosity\n"
" --version|-V print version string and exit\n\n"
"Checks asc/ascq codes in <asc_ascq_file> against the sg3_utils "
"library.\nThe additional sense codes (asc_ascq) can be found "
"at\nwww.t10.org/lists/asc-num.txt .\n"
);
}
int main(int argc, char * argv[])
{
int k, j, res, c, num, len;
unsigned int asc, ascq;
FILE * fp;
int offset = 24;
int verbose = 0;
char file_name[256];
char line[MAX_LINE_LEN];
char b[MAX_LINE_LEN];
char bb[MAX_LINE_LEN];
char * cp;
int ret = 1;
memset(file_name, 0, sizeof file_name);
memset(line, 0, sizeof file_name);
while (1) {
int option_index = 0;
c = getopt_long(argc, argv, "ho:vV", long_options,
&option_index);
if (c == -1)
break;
switch (c) {
case 'h':
case '?':
usage();
return 0;
case 'o':
offset = sg_get_num(optarg);
if (offset < 0) {
fprintf(stderr, "bad argument to --offset\n");
return 1;
}
break;
case 'v':
++verbose;
break;
case 'V':
fprintf(stderr, "version: %s\n", version_str);
return 0;
default:
fprintf(stderr, "unrecognised switch code 0x%x ??\n", c);
usage();
return 1;
}
}
if (optind < argc) {
if ('\0' == file_name[0]) {
strncpy(file_name, argv[optind], sizeof(file_name) - 1);
file_name[sizeof(file_name) - 1] = '\0';
++optind;
}
if (optind < argc) {
for (; optind < argc; ++optind)
fprintf(stderr, "Unexpected extra argument: %s\n",
argv[optind]);
usage();
return 1;
}
}
if (0 == file_name[0]) {
fprintf(stderr, "missing file name!\n");
usage();
return 1;
}
fp = fopen(file_name, "r");
if (NULL == fp) {
fprintf(stderr, "open error: %s: %s\n", file_name,
safe_strerror(errno));
return 1;
}
for (k = 0; (cp = fgets(line, sizeof(line) - 1, fp)); ++k) {
len = strlen(line);
if (len < 1)
continue;
if (! isdigit(line[0]))
continue;
num = sscanf(line, "%xh/%xh", &asc, &ascq);
if (1 == num)
ascq = 999;
if (num < 1) {
if (verbose)
fprintf(stderr, "Badly formed line number %d (num=%d)\n",
k + 1, num);
continue;
}
if (len < 26)
continue;
#if 0
strncpy(b , line, sizeof(b) - 1);
b[sizeof(b) - 1] = '\0';
num = strlen(b);
if (0xd == b[num - 2]) {
b[num - 2] = '\0';
b[num - 1] = '\0';
}
printf("\"%s\",\n", b);
#endif
strncpy(b , line + offset, sizeof(b) - 1);
b[sizeof(b) - 1] = '\0';
num = strlen(b);
if (0xd == b[num - 2])
b[num - 2] = '\0';
b[num - 1] = '\0';
num = strlen(b);
for (j = 0; j < num; ++j)
b[j] = toupper(b[j]);
bb[0] = '\0';
if (ascq < 999) {
cp = sg_get_asc_ascq_str(asc, ascq, sizeof(bb) - 1, bb);
if (NULL == cp) {
fprintf(stderr, "no entry for %x,%x : %s\n", asc, ascq, b);
continue;
}
num = strlen(cp);
// fprintf(stderr, "file: asc=%x acsq=%x strlen=%d %s\n", asc, ascq, num,
// cp);
// if (num < 20)
// continue;
if ((num > 6) &&
((0 == memcmp("ASC", cp, 3)) ||
(0 == memcmp("vendor", cp, 6)))) {
fprintf(stderr, "%x,%x differ, ref: %s, sg_lib_data: "
"<missing>\n", asc, ascq, b);
continue;
}
if (num > 20) {
cp += 18;
num -= 18;
for (j = 0; j < num; ++j)
cp[j] = toupper(cp[j]);
}
if (0 != strcmp(b, cp))
fprintf(stderr, "%x,%x differ, ref: %s, sg_lib_data: "
"%s\n", asc, ascq, b, cp);
}
}
if (NULL == cp) {
if (feof(fp)) {
if (verbose > 2)
fprintf(stderr, "EOF detected\n");
} else
fprintf(stderr, "fgets: %s\n", safe_strerror(errno));
} else
fprintf(stderr, "%s\n", line);
res = fclose(fp);
if (EOF == res) {
fprintf(stderr, "close error: %s\n", safe_strerror(errno));
return 1;
}
return ret;
}
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