/* Processes command line options according to new option format. Returns
* 0 is ok, else SG_LIB_SYNTAX_ERROR is returned. */
static int
process_cl_new(struct opts_t * optsp, int argc, char * argv[])
{
int c, n, nn;
char * cp;
while (1) {
int option_index = 0;
c = getopt_long(argc, argv, "6aAc:dDefhHlLm:NOp:rRsvV", long_options,
&option_index);
if (c == -1)
break;
switch (c) {
case '6':
++optsp->do_six;
break;
case 'a':
++optsp->do_all;
break;
case 'A':
optsp->do_all += 2;
break;
case 'c':
n = sg_get_num(optarg);
if ((n < 0) || (n > 3)) {
fprintf(stderr, "bad argument to '--control='\n");
usage();
return SG_LIB_SYNTAX_ERROR;
}
optsp->page_control = n;
break;
case 'd':
++optsp->do_dbd;
break;
case 'D':
++optsp->do_dbout;
break;
case 'e':
++optsp->do_examine;
break;
case 'f':
++optsp->do_flexible;
break;
case 'h':
case '?':
++optsp->do_help;
break;
case 'H':
++optsp->do_hex;
break;
case 'l':
++optsp->do_list;
break;
case 'L':
++optsp->do_llbaa;
break;
case 'm':
n = sg_get_num(optarg);
if ((n < 0) || (n > 65535)) {
fprintf(stderr, "bad argument to '--maxlen='\n");
usage();
return SG_LIB_SYNTAX_ERROR;
}
optsp->maxlen = n;
break;
case 'N':
break; /* ignore */
case 'O':
optsp->opt_new = 0;
return 0;
case 'p':
cp = strchr(optarg, ',');
n = sg_get_num_nomult(optarg);
if ((n < 0) || (n > 63)) {
fprintf(stderr, "Bad argument to '--page='\n");
usage();
return SG_LIB_SYNTAX_ERROR;
}
if (cp) {
nn = sg_get_num_nomult(cp + 1);
if ((nn < 0) || (nn > 255)) {
fprintf(stderr, "Bad second value in argument to "
"'--page='\n");
usage();
return SG_LIB_SYNTAX_ERROR;
}
optsp->subpg_code = nn;
optsp->subpg_code_set = 1;
} else
nn = 0;
optsp->pg_code = n;
break;
case 'r':
++optsp->do_raw;
break;
case 'R':
optsp->do_raw += 2;
break;
case 's':
++optsp->do_six;
break;
case 'v':
++optsp->do_verbose;
break;
case 'V':
++optsp->do_version;
break;
default:
fprintf(stderr, "unrecognised option code %c [0x%x]\n", c, c);
if (optsp->do_help)
break;
usage();
return SG_LIB_SYNTAX_ERROR;
}
}
if (optind < argc) {
if (NULL == optsp->device_name) {
optsp->device_name = argv[optind];
++optind;
}
if (optind < argc) {
for (; optind < argc; ++optind)
fprintf(stderr, "Unexpected extra argument: %s\n",
argv[optind]);
usage();
return SG_LIB_SYNTAX_ERROR;
}
}
return 0;
}
int
main(int argc, char * argv[])
{
bool last, got_stdin, is_reg;
bool want_file = false;
bool verbose_given = false;
bool version_given = false;
int res, c, len, k, n, rsp_len, resid, act_len, din_len, verb;
int sg_fd = -1;
int infd = -1;
int do_help = 0;
int ret = 0;
uint32_t gen_code = 0;
const char * device_name = NULL;
const char * file_name = NULL;
uint8_t * dmp = NULL;
uint8_t * dip = NULL;
uint8_t * free_dip = NULL;
char * cp;
char ebuff[EBUFF_SZ];
struct stat a_stat;
struct dout_buff_t dout;
struct opts_t opts;
struct opts_t * op;
const struct mode_s * mp;
op = &opts;
memset(op, 0, sizeof(opts));
memset(&dout, 0, sizeof(dout));
din_len = DEF_DIN_LEN;
while (1) {
int option_index = 0;
c = getopt_long(argc, argv, "b:dehi:I:l:m:No:s:S:t:vV", long_options,
&option_index);
if (c == -1)
break;
switch (c) {
case 'b':
op->bpw = sg_get_num(optarg);
if (op->bpw < 0) {
pr2serr("argument to '--bpw' should be in a positive "
"number\n");
return SG_LIB_SYNTAX_ERROR;
}
if ((cp = strchr(optarg, ','))) {
if (0 == strncmp("act", cp + 1, 3))
op->bpw_then_activate = true;
}
break;
case 'd':
op->dry_run = true;
break;
case 'e':
op->ealsd = true;
break;
case 'h':
case '?':
++do_help;
break;
case 'i':
op->mc_id = sg_get_num_nomult(optarg);
if ((op->mc_id < 0) || (op->mc_id > 255)) {
pr2serr("argument to '--id' should be in the range 0 to "
"255\n");
return SG_LIB_SYNTAX_ERROR;
}
break;
case 'I':
file_name = optarg;
break;
case 'l':
op->mc_len = sg_get_num(optarg);
if (op->mc_len < 0) {
pr2serr("bad argument to '--length'\n");
return SG_LIB_SYNTAX_ERROR;
}
op->mc_len_given = true;
break;
case 'm':
if (isdigit(*optarg)) {
op->mc_mode = sg_get_num_nomult(optarg);
if ((op->mc_mode < 0) || (op->mc_mode > 255)) {
pr2serr("argument to '--mode' should be in the range 0 "
"to 255\n");
return SG_LIB_SYNTAX_ERROR;
}
} else {
len = strlen(optarg);
for (mp = mode_arr; mp->mode_string; ++mp) {
if (0 == strncmp(mp->mode_string, optarg, len)) {
op->mc_mode = mp->mode;
break;
}
}
if (! mp->mode_string) {
print_modes();
return SG_LIB_SYNTAX_ERROR;
}
}
break;
case 'N':
op->mc_non = true;
break;
case 'o':
op->mc_offset = sg_get_num(optarg);
if (op->mc_offset < 0) {
pr2serr("bad argument to '--offset'\n");
return SG_LIB_SYNTAX_ERROR;
}
if (0 != (op->mc_offset % 4)) {
pr2serr("'--offset' value needs to be a multiple of 4\n");
return SG_LIB_SYNTAX_ERROR;
}
break;
case 's':
op->mc_skip = sg_get_num(optarg);
if (op->mc_skip < 0) {
pr2serr("bad argument to '--skip'\n");
return SG_LIB_SYNTAX_ERROR;
}
break;
case 'S':
op->mc_subenc = sg_get_num_nomult(optarg);
if ((op->mc_subenc < 0) || (op->mc_subenc > 255)) {
pr2serr("expected argument to '--subenc' to be 0 to 255\n");
return SG_LIB_SYNTAX_ERROR;
}
break;
case 't':
op->mc_tlen = sg_get_num(optarg);
if (op->mc_tlen < 0) {
pr2serr("bad argument to '--tlength'\n");
return SG_LIB_SYNTAX_ERROR;
}
break;
case 'v':
verbose_given = true;
++op->verbose;
break;
case 'V':
version_given = true;
break;
default:
pr2serr("unrecognised option code 0x%x ??\n", c);
usage();
return SG_LIB_SYNTAX_ERROR;
}
}
if (do_help) {
if (do_help > 1) {
usage();
pr2serr("\n");
print_modes();
} else
usage();
return 0;
}
if (optind < argc) {
if (NULL == device_name) {
device_name = argv[optind];
++optind;
}
if (optind < argc) {
for (; optind < argc; ++optind)
pr2serr("Unexpected extra argument: %s\n", argv[optind]);
usage();
return SG_LIB_SYNTAX_ERROR;
}
}
#ifdef DEBUG
pr2serr("In DEBUG mode, ");
if (verbose_given && version_given) {
pr2serr("but override: '-vV' given, zero verbose and continue\n");
verbose_given = false;
version_given = false;
op->verbose = 0;
} else if (! verbose_given) {
pr2serr("set '-vv'\n");
op->verbose = 2;
} else
pr2serr("keep verbose=%d\n", op->verbose);
#else
if (verbose_given && version_given)
pr2serr("Not in DEBUG mode, so '-vV' has no special action\n");
#endif
if (version_given) {
pr2serr(ME "version: %s\n", version_str);
return 0;
}
if (NULL == device_name) {
pr2serr("missing device name!\n\n");
usage();
return SG_LIB_SYNTAX_ERROR;
}
switch (op->mc_mode) {
case MODE_DNLD_MC_OFFS:
case MODE_DNLD_MC_OFFS_SAVE:
case MODE_DNLD_MC_OFFS_DEFER:
want_file = true;
break;
case MODE_DNLD_STATUS:
case MODE_ACTIVATE_MC:
case MODE_ABORT_MC:
want_file = false;
break;
default:
pr2serr("%s: mc_mode=0x%x, continue for now\n", __func__,
op->mc_mode);
break;
}
if ((op->mc_len > 0) && (op->bpw > op->mc_len)) {
pr2serr("trim chunk size (CS) to be the same as LEN\n");
op->bpw = op->mc_len;
}
if ((op->mc_offset > 0) && (op->bpw > 0)) {
op->mc_offset = 0;
pr2serr("WARNING: --offset= ignored (set back to 0) when --bpw= "
"argument given (and > 0)\n");
}
#ifdef SG_LIB_WIN32
#ifdef SG_LIB_WIN32_DIRECT
if (op->verbose > 4)
pr2serr("Initial win32 SPT interface state: %s\n",
scsi_pt_win32_spt_state() ? "direct" : "indirect");
scsi_pt_win32_direct(SG_LIB_WIN32_DIRECT /* SPT pt interface */);
#endif
#endif
sg_fd = sg_cmds_open_device(device_name, false /* rw */, op->verbose);
if (sg_fd < 0) {
if (op->verbose)
pr2serr(ME "open error: %s: %s\n", device_name,
safe_strerror(-sg_fd));
ret = sg_convert_errno(-sg_fd);
goto fini;
}
if (file_name && (! want_file))
pr2serr("ignoring --in=FILE option\n");
else if (file_name) {
got_stdin = (0 == strcmp(file_name, "-"));
if (got_stdin)
infd = STDIN_FILENO;
else {
if ((infd = open(file_name, O_RDONLY)) < 0) {
ret = sg_convert_errno(errno);
snprintf(ebuff, EBUFF_SZ,
ME "could not open %s for reading", file_name);
perror(ebuff);
goto fini;
} else if (sg_set_binary_mode(infd) < 0)
perror("sg_set_binary_mode");
}
if ((0 == fstat(infd, &a_stat)) && S_ISREG(a_stat.st_mode)) {
is_reg = true;
if (0 == op->mc_len) {
if (op->mc_skip >= a_stat.st_size) {
pr2serr("skip exceeds file size of %d bytes\n",
(int)a_stat.st_size);
ret = SG_LIB_FILE_ERROR;
goto fini;
}
op->mc_len = (int)(a_stat.st_size) - op->mc_skip;
}
} else {
is_reg = false;
if (0 == op->mc_len)
op->mc_len = DEF_XFER_LEN;
}
if (op->mc_len > MAX_XFER_LEN) {
pr2serr("file size or requested length (%d) exceeds "
"MAX_XFER_LEN of %d bytes\n", op->mc_len,
MAX_XFER_LEN);
ret = SG_LIB_FILE_ERROR;
goto fini;
}
if (NULL == (dmp = (uint8_t *)malloc(op->mc_len))) {
pr2serr(ME "out of memory to hold microcode read from FILE\n");
ret = SG_LIB_CAT_OTHER;
goto fini;
}
/* Don't remember why this is preset to 0xff, from write_buffer */
memset(dmp, 0xff, op->mc_len);
if (op->mc_skip > 0) {
if (! is_reg) {
if (got_stdin)
pr2serr("Can't skip on stdin\n");
else
pr2serr(ME "not a 'regular' file so can't apply skip\n");
ret = SG_LIB_FILE_ERROR;
goto fini;
}
if (lseek(infd, op->mc_skip, SEEK_SET) < 0) {
ret = sg_convert_errno(errno);
snprintf(ebuff, EBUFF_SZ, ME "couldn't skip to "
"required position on %s", file_name);
perror(ebuff);
goto fini;
}
}
res = read(infd, dmp, op->mc_len);
if (res < 0) {
ret = sg_convert_errno(errno);
snprintf(ebuff, EBUFF_SZ, ME "couldn't read from %s",
file_name);
perror(ebuff);
goto fini;
}
if (res < op->mc_len) {
if (op->mc_len_given) {
pr2serr("tried to read %d bytes from %s, got %d bytes\n",
op->mc_len, file_name, res);
pr2serr("pad with 0xff bytes and continue\n");
} else {
if (op->verbose) {
pr2serr("tried to read %d bytes from %s, got %d "
"bytes\n", op->mc_len, file_name, res);
pr2serr("will send %d bytes", res);
if ((op->bpw > 0) && (op->bpw < op->mc_len))
pr2serr(", %d bytes per WRITE BUFFER command\n",
op->bpw);
else
pr2serr("\n");
}
op->mc_len = res;
}
}
if (! got_stdin)
close(infd);
infd = -1;
} else if (want_file) {
pr2serr("need --in=FILE option with given mode\n");
ret = SG_LIB_CONTRADICT;
goto fini;
}
if (op->mc_tlen < op->mc_len)
op->mc_tlen = op->mc_len;
if (op->mc_non && (MODE_DNLD_STATUS == op->mc_mode)) {
pr2serr("Do nothing because '--non' given so fetching the Download "
"microcode status\ndpage might be dangerous\n");
goto fini;
}
dip = sg_memalign(din_len, 0, &free_dip, op->verbose > 3);
if (NULL == dip) {
pr2serr(ME "out of memory (data-in buffer)\n");
ret = SG_LIB_CAT_OTHER;
goto fini;
}
verb = (op->verbose > 1) ? op->verbose - 1 : 0;
/* Fetch Download microcode status dpage for generation code ++ */
if (op->dry_run) {
n = sizeof(dummy_rd_resp);
n = (n < din_len) ? n : din_len;
memcpy(dip, dummy_rd_resp, n);
resid = din_len - n;
res = 0;
} else
res = sg_ll_receive_diag_v2(sg_fd, true /* pcv */,
DPC_DOWNLOAD_MICROCODE, dip, din_len,
0 /*default timeout */, &resid, true,
verb);
if (0 == res) {
rsp_len = sg_get_unaligned_be16(dip + 2) + 4;
act_len = din_len - resid;
if (rsp_len > din_len) {
pr2serr("<<< warning response buffer too small [%d but need "
"%d]>>>\n", din_len, rsp_len);
rsp_len = din_len;
}
if (rsp_len > act_len) {
pr2serr("<<< warning response too short [actually got %d but "
"need %d]>>>\n", act_len, rsp_len);
rsp_len = act_len;
}
if (rsp_len < 8) {
pr2serr("Download microcode status dpage too short\n");
ret = SG_LIB_CAT_OTHER;
goto fini;
}
if ((op->verbose > 2) || (op->dry_run && op->verbose))
pr2serr("rec diag(ini): rsp_len=%d, num_sub-enc=%u "
"rec_gen_code=%u\n", rsp_len, dip[1],
sg_get_unaligned_be32(dip + 4));
} else {
ret = res;
goto fini;
}
gen_code = sg_get_unaligned_be32(dip + 4);
if (MODE_DNLD_STATUS == op->mc_mode) {
show_download_mc_sdg(dip, rsp_len, gen_code);
goto fini;
} else if (! want_file) { /* ACTIVATE and ABORT */
res = send_then_receive(sg_fd, gen_code, 0, NULL, 0, &dout, dip,
din_len, true, op);
ret = res;
goto fini;
}
res = 0;
if (op->bpw > 0) {
for (k = 0, last = false; k < op->mc_len; k += n) {
n = op->mc_len - k;
if (n > op->bpw)
n = op->bpw;
else
last = true;
if (op->verbose)
pr2serr("bpw loop: mode=0x%x, id=%d, off_off=%d, len=%d, "
"last=%d\n", op->mc_mode, op->mc_id, k, n, last);
res = send_then_receive(sg_fd, gen_code, k, dmp + k, n, &dout,
dip, din_len, last, op);
if (res)
break;
}
if (op->bpw_then_activate && (0 == res)) {
op->mc_mode = MODE_ACTIVATE_MC;
if (op->verbose)
pr2serr("sending Activate deferred microcode [0xf]\n");
res = send_then_receive(sg_fd, gen_code, 0, NULL, 0, &dout,
dip, din_len, true, op);
}
} else {
if (op->verbose)
pr2serr("single: mode=0x%x, id=%d, offset=%d, len=%d\n",
op->mc_mode, op->mc_id, op->mc_offset, op->mc_len);
res = send_then_receive(sg_fd, gen_code, 0, dmp, op->mc_len, &dout,
dip, din_len, true, op);
}
if (res)
ret = res;
fini:
if ((infd >= 0) && (! got_stdin))
close(infd);
if (dmp)
free(dmp);
if (dout.free_doutp)
free(dout.free_doutp);
if (free_dip)
free(free_dip);
if (sg_fd >= 0) {
res = sg_cmds_close_device(sg_fd);
if (res < 0) {
pr2serr("close error: %s\n", safe_strerror(-res));
if (0 == ret)
ret = sg_convert_errno(-res);
}
}
if (0 == op->verbose) {
if (! sg_if_can2stderr("sg_ses_mocrocode failed: ", ret))
pr2serr("Some error occurred, try again with '-v' "
"or '-vv' for more information\n");
}
return (ret >= 0) ? ret : SG_LIB_CAT_OTHER;
}