void
ee_verifychecksums(void)
{
struct keytabent kt;
u_char checkme[EE_SIZE - EE_HWUPDATE_LOC];
u_char checksum, ochecksum[3];
u_short owritecount[3];
/*
* Verify that the EEPROM's write counts match, and update the
* global copy for use later.
*/
kt.kt_keyword = "eeprom writecount";
kt.kt_offset = EE_WC_LOC;
kt.kt_handler = ee_notsupp;
if (doio(&kt, (u_char *)&owritecount, sizeof(owritecount), IO_READ)) {
cksumfail = 1;
FAILEDREAD(&kt);
}
if (owritecount[0] != owritecount[1] ||
owritecount[0] != owritecount[2]) {
warnx("eeprom writecount mismatch %s",
ignore_checksum ? "(ignoring)" :
(fix_checksum ? "(fixing)" : ""));
if (!ignore_checksum && !fix_checksum) {
cksumfail = 1;
return;
}
writecount = MAXIMUM(owritecount[0], owritecount[1]);
writecount = MAXIMUM(writecount, owritecount[2]);
} else
writecount = owritecount[0];
/*
* Verify that the EEPROM's checksums match and are correct.
*/
kt.kt_keyword = "eeprom checksum";
kt.kt_offset = EE_CKSUM_LOC;
if (doio(&kt, ochecksum, sizeof(ochecksum), IO_READ)) {
cksumfail = 1;
FAILEDREAD(&kt);
}
if (ochecksum[0] != ochecksum[1] ||
ochecksum[0] != ochecksum[2]) {
warnx("eeprom checksum mismatch %s",
ignore_checksum ? "(ignoring)" :
(fix_checksum ? "(fixing)" : ""));
if (!ignore_checksum && !fix_checksum) {
cksumfail = 1;
return;
}
}
kt.kt_keyword = "eeprom contents";
kt.kt_offset = EE_HWUPDATE_LOC;
if (doio(&kt, checkme, sizeof(checkme), IO_READ)) {
cksumfail = 1;
FAILEDREAD(&kt);
}
checksum = ee_checksum(checkme, sizeof(checkme));
if (ochecksum[0] != checksum) {
warnx("eeprom checksum incorrect %s",
ignore_checksum ? "(ignoring)" :
(fix_checksum ? "(fixing)" : ""));
if (!ignore_checksum && !fix_checksum) {
cksumfail = 1;
return;
}
}
if (fix_checksum)
ee_updatechecksums();
}
int
main(int argc, char *argv[])
{
int ch, do_stdin = 0;
char *cp, line[BUFSIZE];
char *optstring = "cf:ipvN:-";
while ((ch = getopt(argc, argv, optstring)) != -1)
switch (ch) {
case '-':
do_stdin = 1;
break;
case 'c':
fix_checksum = 1;
break;
case 'f':
path_eeprom = path_openprom = optarg;
break;
case 'i':
ignore_checksum = 1;
break;
case 'p':
print_tree = 1;
break;
case 'v':
verbose = 1;
break;
#if defined(__sparc__) && !defined(__sparc64__)
case 'N':
nlistf = optarg;
break;
#endif /* __sparc__ && !__sparc64__ */
case '?':
default:
usage();
}
argc -= optind;
argv += optind;
#if defined(__sparc__) && !defined(__sparc64__)
if (getcputype() != CPU_SUN4)
#endif /* __sparc__ && !__sparc64__ */
use_openprom = 1;
if (print_tree && use_openprom) {
op_tree();
exit(0);
}
#if defined(__sparc__) && !defined(__sparc64__)
if (use_openprom == 0) {
ee_verifychecksums();
if (fix_checksum || cksumfail)
exit(cksumfail);
}
#endif /* __sparc__ && !__sparc64__ */
if (do_stdin) {
while (fgets(line, BUFSIZE, stdin) != NULL) {
if (line[0] == '\n')
continue;
if ((cp = strrchr(line, '\n')) != NULL)
*cp = '\0';
action(line);
}
if (ferror(stdin))
err(++eval, "stdin");
} else {
if (argc == 0) {
dump_prom();
exit(eval + cksumfail);
}
while (argc) {
action(*argv);
++argv;
--argc;
}
}
#if defined(__sparc__) && !defined(__sparc64__)
if (use_openprom == 0)
if (update_checksums) {
++writecount;
ee_updatechecksums();
}
#endif /* __sparc__ && !__sparc64__ */
exit(eval + cksumfail);
}
