/*
* smartctl.c
*
* Home page of code is: http://smartmontools.sourceforge.net
*
* Copyright (C) 2002-3 Bruce Allen <smartmontools-support@lists.sourceforge.net>
* Copyright (C) 2000 Michael Cornwell <cornwell@acm.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* You should have received a copy of the GNU General Public License
* (for example COPYING); if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* This code was originally developed as a Senior Thesis by Michael Cornwell
* at the Concurrent Systems Laboratory (now part of the Storage Systems
* Research Center), Jack Baskin School of Engineering, University of
* California, Santa Cruz. http://ssrc.soe.ucsc.edu/
*
*/
#include "config.h"
#include <stdio.h>
#include <sys/types.h>
#include <string.h>
#include <stdarg.h>
#ifdef HAVE_GETOPT_LONG
#include <getopt.h>
#endif
#include "atacmds.h"
#include "ataprint.h"
#include "extern.h"
#include "knowndrives.h"
#include "scsicmds.h"
#include "scsiprint.h"
#include "smartctl.h"
#include "utility.h"
extern const char *atacmdnames_c_cvsid, *atacmds_c_cvsid, *ataprint_c_cvsid, *knowndrives_c_cvsid, *os_XXXX_c_cvsid, *scsicmds_c_cvsid, *scsiprint_c_cvsid, *utility_c_cvsid;
const char* smartctl_c_cvsid="$Id: smartctl.cpp,v 1.106.2.1 2004/02/23 15:43:49 chrfranke Exp $"
ATACMDS_H_CVSID ATAPRINT_H_CVSID CONFIG_H_CVSID EXTERN_H_CVSID KNOWNDRIVES_H_CVSID SCSICMDS_H_CVSID SCSIPRINT_H_CVSID SMARTCTL_H_CVSID UTILITY_H_CVSID;
// This is a block containing all the "control variables". We declare
// this globally in this file, and externally in other files.
smartmonctrl *con=NULL;
// to hold onto exit code for atexit routine
extern int exitstatus;
// Track memory use
extern int64_t bytes;
void printslogan(){
pout("smartctl version %s Copyright (C) 2002-3 Bruce Allen\n", PACKAGE_VERSION);
pout("Home page is %s\n\n",PROJECTHOME);
return;
}
void printcopy(){
char out[CVSMAXLEN];
pout("smartctl comes with ABSOLUTELY NO WARRANTY. This\n");
pout("is free software, and you are welcome to redistribute it\n");
pout("under the terms of the GNU General Public License Version 2.\n");
pout("See http://www.gnu.org for further details.\n\n");
pout("CVS version IDs of files used to build this code are:\n");
printone(out,atacmdnames_c_cvsid);
pout("%s",out);
printone(out,atacmds_c_cvsid);
pout("%s",out);
printone(out,ataprint_c_cvsid);
pout("%s",out);
printone(out,knowndrives_c_cvsid);
pout("%s",out);
printone(out,os_XXXX_c_cvsid);
pout("%s",out);
printone(out,scsicmds_c_cvsid);
pout("%s",out);
printone(out,scsiprint_c_cvsid);
pout("%s",out);
printone(out,smartctl_c_cvsid);
pout("%s",out);
printone(out,utility_c_cvsid);
pout("%s",out);
pout("\nsmartctl build configured on " SMARTMONTOOLS_CONFIGURE_DATE "\n");
pout("smartctl configure arguments: " SMARTMONTOOLS_CONFIGURE_ARGS "\n");
return;
}
void UsageSummary(){
pout("\nUse smartctl -h to get a usage summary\n\n");
return;
}
/* void prints help information for command syntax */
void Usage (void){
printf("Usage: smartctl [options] device\n\n");
printf("============================================ SHOW INFORMATION OPTIONS =====\n\n");
#ifdef HAVE_GETOPT_LONG
printf(
" -h, --help, --usage\n"
" Display this help and exit\n\n"
" -V, --version, --copyright, --license\n"
" Print license, copyright, and version information and exit\n\n"
" -i, --info \n"
" Show identity information for device\n\n"
" -a, --all \n"
" Show all SMART information for device\n\n"
);
#else
printf(
" -h Display this help and exit\n"
" -V Print license, copyright, and version information\n"
" -i Show identity information for device\n"
" -a Show all SMART information for device\n\n"
);
#endif
printf("================================== SMARTCTL RUN-TIME BEHAVIOR OPTIONS =====\n\n");
#ifdef HAVE_GETOPT_LONG
printf(
" -q TYPE, --quietmode=TYPE (ATA)\n"
" Set smartctl quiet mode to one of: errorsonly, silent\n\n"
" -d TYPE, --device=TYPE\n"
" Specify device type to one of: ata, scsi, 3ware,N\n\n"
" -T TYPE, --tolerance=TYPE (ATA)\n"
" Tolerance: normal, conservative, permissive, verypermissive\n\n"
" -b TYPE, --badsum=TYPE (ATA)\n"
" Set action on bad checksum to one of: warn, exit, ignore\n\n"
" -r TYPE, --report=TYPE\n"
" Report transactions (see man page)\n\n"
);
#else
printf(
" -q TYPE Set smartctl quiet mode to one of: errorsonly, silent (ATA)\n"
" -d TYPE Specify device type to one of: ata, scsi, 3ware,N\n"
" -T TYPE Tolerance: normal, conservative,permissive,verypermissive (ATA\n"
" -b TYPE Set action on bad checksum to one of: warn, exit, ignore (ATA)\n"
" -r TYPE Report transactions (see man page)\n\n"
);
#endif
printf("============================== DEVICE FEATURE ENABLE/DISABLE COMMANDS =====\n\n");
#ifdef HAVE_GETOPT_LONG
printf(
" -s VALUE, --smart=VALUE\n"
" Enable/disable SMART on device (on/off)\n\n"
" -o VALUE, --offlineauto=VALUE (ATA)\n"
" Enable/disable automatic offline testing on device (on/off)\n\n"
" -S VALUE, --saveauto=VALUE (ATA)\n"
" Enable/disable Attribute autosave on device (on/off)\n\n"
);
#else
printf(
" -s VALUE Enable/disable SMART on device (on/off)\n"
" -o VALUE Enable/disable device automatic offline testing (on/off) (ATA)\n"
" -S VALUE Enable/disable device Attribute autosave (on/off) (ATA)\n\n"
);
#endif
printf("======================================= READ AND DISPLAY DATA OPTIONS =====\n\n");
#ifdef HAVE_GETOPT_LONG
printf(
" -H, --health\n"
" Show device SMART health status\n\n"
" -c, --capabilities (ATA)\n"
" Show device SMART capabilities\n\n"
" -A, --attributes (ATA)\n"
" Show device SMART vendor-specific Attributes and values\n\n"
" -l TYPE, --log=TYPE\n"
" Show device log. Type is one of: error, selftest, directory\n\n"
" -v N,OPTION , --vendorattribute=N,OPTION (ATA)\n"
" Set display OPTION for vendor Attribute N (see man page)\n\n"
" -F TYPE, --firmwarebug=TYPE (ATA)\n"
" Use firmware bug workaround: none, samsung, samsung2\n\n"
" -P TYPE, --presets=TYPE (ATA)\n"
" Drive-specific presets: use, ignore, show, showall\n\n"
);
#else
printf(
" -H Show device SMART health status\n"
" -c Show device SMART capabilities (ATA)\n"
" -A Show device SMART vendor-specific Attributes and values (ATA)\n"
" -l TYPE Show device log. Type is one of: error, selftest, directory\n"
" -v N,OPT Set display OPTion for vendor Attribute N (see man page) (ATA)\n"
" -F TYPE Use firmware bug workaround: none, samsung, samsung2 (ATA)\n"
" -P TYPE Drive-specific presets: use, ignore, show, showall (ATA)\n\n"
);
#endif
printf("============================================ DEVICE SELF-TEST OPTIONS =====\n\n");
#ifdef HAVE_GETOPT_LONG
printf(
" -t TEST, --test=TEST\n"
#if DEVELOP_SELECTIVE_SELF_TEST
" Run test. TEST is: offline, short, long, conveyance, selective,M-N\n\n"
#else
" Run test. TEST is: offline, short, long, conveyance\n\n"
#endif
" -C, --captive\n"
#if DEVELOP_SELECTIVE_SELF_TEST
" With -t, do test in captive mode (short/long/conveyance/selective)\n\n"
#else
" With -t, do test in captive mode (short/long/conveyance)\n\n"
#endif
" -X, --abort\n"
" Abort any non-captive test on device\n\n"
);
#else
printf(
#if DEVELOP_SELECTIVE_SELF_TEST
" -t TEST Run test. TEST is: offline, short, long, conveyance, selective,M-N\n"
" -C With -t, do test in captive mode (short/long/conveyance/selective)\n"
#else
" -t TEST Run test. TEST is: offline, short, long, conveyance\n"
" -C With -t, do test in captive mode (short/long/conveyance)\n"
#endif
" -X Abort any non-captive test\n\n"
);
#endif
printf("=================================================== SMARTCTL EXAMPLES =====\n\n");
#ifdef HAVE_GETOPT_LONG
printf(
" smartctl -a /dev/hda (Prints all SMART information)\n\n"
" smartctl --smart=on --offlineauto=on --saveauto=on /dev/hda\n"
" (Enables SMART on first disk)\n\n"
" smartctl -t long /dev/hda (Executes extended disk self-test)\n\n"
" smartctl --attributes --log=selftest --quietmode=errorsonly /dev/hda\n"
" (Prints Self-Test & Attribute errors)\n"
" smartctl -a -device=3ware,2 /dev/sda\n"
" (Prints all SMART info for 3rd ATA disk on 3ware RAID controller)\n"
);
#else
printf(
" smartctl -a /dev/hda (Prints all SMART information)\n"
" smartctl -s on -o on -S on /dev/hda (Enables SMART on first disk)\n"
" smartctl -t long /dev/hda (Executes extended disk self-test)\n"
" smartctl -A -l selftest -q errorsonly /dev/hda\n"
" (Prints Self-Test & Attribute errors)\n"
" smartctl -a -d 3ware,2 /dev/sda\n"
" (Prints all SMART info for 3rd ATA disk on 3ware RAID controller)\n"
);
#endif
}
/* Returns a pointer to a static string containing a formatted list of the valid
arguments to the option opt or NULL on failure. Note 'v' case different */
const char *getvalidarglist(char opt) {
switch (opt) {
case 'q':
return "errorsonly, silent";
case 'd':
return "ata, scsi, 3ware,N";
case 'T':
return "normal, conservative, permissive, verypermissive";
case 'b':
return "warn, exit, ignore";
case 'r':
return "ioctl[,N], ataioctl[,N], scsiioctl[,N]";
case 's':
case 'o':
case 'S':
return "on, off";
case 'l':
return "error, selftest, directory";
case 'P':
return "use, ignore, show, showall";
case 't':
#if DEVELOP_SELECTIVE_SELF_TEST
return "offline, short, long, conveyance, selective,M-N";
#else
return "offline, short, long, conveyance";
#endif
case 'F':
return "none, samsung, samsung2";
case 'v':
default:
return NULL;
}
}
/* Prints the message "=======> VALID ARGUMENTS ARE: <LIST> <=======\n", where
<LIST> is the list of valid arguments for option opt. */
void printvalidarglistmessage(char opt) {
char *s;
if (opt=='v')
s=create_vendor_attribute_arg_list();
else
s=(char *)getvalidarglist(opt);
if (!s) {
pout("Error whilst constructing argument list for option %c", opt);
return;
}
if (opt=='v'){
pout("=======> VALID ARGUMENTS ARE:\n\thelp\n%s\n<=======\n", s);
free(s);
}
else {
// getvalidarglist() might produce a multiline or single line string. We
// need to figure out which to get the formatting right.
char separator = strchr(s, '\n') ? '\n' : ' ';
pout("=======> VALID ARGUMENTS ARE:%c%s%c<=======\n", separator, (char *)s, separator);
}
return;
}
unsigned char tryata=0,tryscsi=0;
/* Takes command options and sets features to be run */
void ParseOpts (int argc, char** argv){
int optchar;
int badarg;
int captive;
unsigned char *charp;
extern char *optarg;
extern int optopt, optind, opterr;
// Please update getvalidarglist() if you edit shortopts
const char *shortopts = "h?Vq:d:T:b:r:s:o:S:HcAl:iav:P:t:CXF:";
#ifdef HAVE_GETOPT_LONG
char *arg;
// Please update getvalidarglist() if you edit longopts
struct option longopts[] = {
{ "help", no_argument, 0, 'h' },
{ "usage", no_argument, 0, 'h' },
{ "version", no_argument, 0, 'V' },
{ "copyright", no_argument, 0, 'V' },
{ "license", no_argument, 0, 'V' },
{ "quietmode", required_argument, 0, 'q' },
{ "device", required_argument, 0, 'd' },
{ "tolerance", required_argument, 0, 'T' },
{ "badsum", required_argument, 0, 'b' },
{ "report", required_argument, 0, 'r' },
{ "smart", required_argument, 0, 's' },
{ "offlineauto", required_argument, 0, 'o' },
{ "saveauto", required_argument, 0, 'S' },
{ "health", no_argument, 0, 'H' },
{ "capabilities", no_argument, 0, 'c' },
{ "attributes", no_argument, 0, 'A' },
{ "log", required_argument, 0, 'l' },
{ "info", no_argument, 0, 'i' },
{ "all", no_argument, 0, 'a' },
{ "vendorattribute", required_argument, 0, 'v' },
{ "presets", required_argument, 0, 'P' },
{ "test", required_argument, 0, 't' },
{ "captive", no_argument, 0, 'C' },
{ "abort", no_argument, 0, 'X' },
{ "firmwarebug", required_argument, 0, 'F' },
{ 0, 0, 0, 0 }
};
#endif
memset(con,0,sizeof(*con));
con->testcase=-1;
opterr=optopt=0;
badarg = captive = FALSE;
// This miserable construction is needed to get emacs to do proper indenting. Sorry!
while (-1 != (optchar =
#ifdef HAVE_GETOPT_LONG
getopt_long(argc, argv, shortopts, longopts, NULL)
#else
getopt(argc, argv, shortopts)
#endif
)){
switch (optchar){
case 'V':
con->veryquietmode=FALSE;
printslogan();
printcopy();
exit(0);
break;
case 'q':
if (!strcmp(optarg,"errorsonly")) {
con->quietmode = TRUE;
con->veryquietmode = FALSE;
} else if (!strcmp(optarg,"silent")) {
con->veryquietmode = TRUE;
con->quietmode = TRUE;
} else {
badarg = TRUE;
}
break;
case 'd':
if (!strcmp(optarg,"ata")) {
tryata = TRUE;
tryscsi = FALSE;
con->escalade = 0;
} else if (!strcmp(optarg,"scsi")) {
tryata = FALSE;
tryscsi = TRUE;
con->escalade = 0;
} else {
// look for RAID-type device
int i;
char *s;
// make a copy of the string to mess with
if (!(s = strdup(optarg))) {
con->veryquietmode = FALSE;
pout("No memory for argument of -d. Exiting...\n");
exit(FAILCMD);
} else if (strncmp(s,"3ware,",6)) {
badarg = TRUE;
} else if (split_report_arg2(s, &i)) {
pout("Option -d 3ware,N requires N to be a non-negative integer\n");
badarg = TRUE;
} else if (i<0 || i>15) {
pout("Option -d 3ware,N (N=%d) must have 0 <= N <= 15\n", i);
badarg = TRUE;
} else {
// NOTE: escalade = disk number + 1
con->escalade = i+1;
tryata = TRUE;
tryscsi = FALSE;
}
free(s);
}
break;
case 'T':
if (!strcmp(optarg,"normal")) {
con->conservative = FALSE;
con->permissive = 0;
} else if (!strcmp(optarg,"conservative")) {
con->conservative = TRUE;
} else if (!strcmp(optarg,"permissive")) {
if (con->permissive<0xff)
con->permissive++;
} else if (!strcmp(optarg,"verypermissive")) {
con->permissive=0xff;
} else {
badarg = TRUE;
}
break;
case 'b':
if (!strcmp(optarg,"warn")) {
con->checksumfail = FALSE;
con->checksumignore = FALSE;
} else if (!strcmp(optarg,"exit")) {
con->checksumfail = TRUE;
con->checksumignore = FALSE;
} else if (!strcmp(optarg,"ignore")) {
con->checksumignore = TRUE;
con->checksumfail = FALSE;
} else {
badarg = TRUE;
}
break;
case 'r':
{
int i;
char *s;
// split_report_arg() may modify its first argument string, so use a
// copy of optarg in case we want optarg for an error message.
if (!(s = strdup(optarg))) {
con->veryquietmode = FALSE;
pout("Can't allocate memory to copy argument to -r option"
" - exiting\n");
EXIT(FAILCMD);
}
if (split_report_arg(s, &i)) {
badarg = TRUE;
} else if (!strcmp(s,"ioctl")) {
con->reportataioctl = con->reportscsiioctl = i;
} else if (!strcmp(s,"ataioctl")) {
con->reportataioctl = i;
} else if (!strcmp(s,"scsiioctl")) {
con->reportscsiioctl = i;
} else {
badarg = TRUE;
}
free(s);
}
break;
case 's':
if (!strcmp(optarg,"on")) {
con->smartenable = TRUE;
con->smartdisable = FALSE;
} else if (!strcmp(optarg,"off")) {
con->smartdisable = TRUE;
con->smartenable = FALSE;
} else {
badarg = TRUE;
}
break;
case 'o':
if (!strcmp(optarg,"on")) {
con->smartautoofflineenable = TRUE;
con->smartautoofflinedisable = FALSE;
} else if (!strcmp(optarg,"off")) {
con->smartautoofflinedisable = TRUE;
con->smartautoofflineenable = FALSE;
} else {
badarg = TRUE;
}
break;
case 'S':
if (!strcmp(optarg,"on")) {
con->smartautosaveenable = TRUE;
con->smartautosavedisable = FALSE;
} else if (!strcmp(optarg,"off")) {
con->smartautosavedisable = TRUE;
con->smartautosaveenable = FALSE;
} else {
badarg = TRUE;
}
break;
case 'H':
con->checksmart = TRUE;
break;
case 'F':
if (!strcmp(optarg,"none")) {
con->fixfirmwarebug = FIX_NONE;
} else if (!strcmp(optarg,"samsung")) {
con->fixfirmwarebug = FIX_SAMSUNG;
} else if (!strcmp(optarg,"samsung2")) {
con->fixfirmwarebug = FIX_SAMSUNG2;
} else {
badarg = TRUE;
}
break;
case 'c':
con->generalsmartvalues = TRUE;
break;
case 'A':
con->smartvendorattrib = TRUE;
break;
case 'l':
if (!strcmp(optarg,"error")) {
con->smarterrorlog = TRUE;
} else if (!strcmp(optarg,"selftest")) {
con->smartselftestlog = TRUE;
} else if (!strcmp(optarg,"directory")) {
con->smartlogdirectory = TRUE;
} else {
badarg = TRUE;
}
break;
case 'i':
con->driveinfo = TRUE;
break;
case 'a':
con->driveinfo = TRUE;
con->checksmart = TRUE;
con->generalsmartvalues = TRUE;
con->smartvendorattrib = TRUE;
con->smarterrorlog = TRUE;
con->smartselftestlog = TRUE;
break;
case 'v':
// parse vendor-specific definitions of attributes
if (!strcmp(optarg,"help")) {
char *s;
con->veryquietmode=FALSE;
printslogan();
if (!(s = create_vendor_attribute_arg_list())) {
pout("Insufficient memory to construct argument list\n");
EXIT(FAILCMD);
}
pout("The valid arguments to -v are:\n\thelp\n%s\n", s);
free(s);
EXIT(0);
}
charp=con->attributedefs;
if (!charp){
pout("Fatal internal error in ParseOpts()\n");
EXIT(FAILCMD);
}
if (parse_attribute_def(optarg, &charp))
badarg = TRUE;
break;
case 'P':
if (!strcmp(optarg, "use")) {
con->ignorepresets = FALSE;
} else if (!strcmp(optarg, "ignore")) {
con->ignorepresets = TRUE;
} else if (!strcmp(optarg, "show")) {
con->showpresets = TRUE;
} else if (!strcmp(optarg, "showall")) {
showallpresets();
EXIT(0);
} else {
badarg = TRUE;
}
break;
case 't':
if (!strcmp(optarg,"offline")) {
con->smartexeoffimmediate = TRUE;
con->testcase = OFFLINE_FULL_SCAN;
} else if (!strcmp(optarg,"short")) {
con->smartshortselftest = TRUE;
con->testcase = SHORT_SELF_TEST;
} else if (!strcmp(optarg,"long")) {
con->smartextendselftest = TRUE;
con->testcase = EXTEND_SELF_TEST;
} else if (!strcmp(optarg,"conveyance")) {
con->smartconveyanceselftest = TRUE;
con->testcase = CONVEYANCE_SELF_TEST;
#if DEVELOP_SELECTIVE_SELF_TEST
} else if (!strncmp(optarg,"selective",strlen("selective"))) {
unsigned long long start, stop;
if (split_selective_arg(optarg, &start, &stop)) {
badarg = TRUE;
} else {
if (con->smartselectivenumspans >= 5 || start > stop) {
con->veryquietmode=FALSE;
printslogan();
if (start > stop) {
pout("ERROR: Start LBA > ending LBA in argument \"%s\"\n",
optarg);
} else {
pout("ERROR: No more than five selective self-test spans may be"
" defined\n");
}
UsageSummary();
EXIT(FAILCMD);
}
con->smartselectivespan[con->smartselectivenumspans][0] = start;
con->smartselectivespan[con->smartselectivenumspans][1] = stop;
con->smartselectivenumspans++;
con->testcase = SELECTIVE_SELF_TEST;
}
#endif
} else {
badarg = TRUE;
}
break;
case 'C':
captive = TRUE;
break;
case 'X':
con->smartselftestabort = TRUE;
con->testcase = ABORT_SELF_TEST;
break;
case 'h':
con->veryquietmode=FALSE;
printslogan();
Usage();
EXIT(0);
break;
case '?':
default:
con->veryquietmode=FALSE;
printslogan();
#ifdef HAVE_GETOPT_LONG
// Point arg to the argument in which this option was found.
arg = argv[optind-1];
// Check whether the option is a long option that doesn't map to -h.
if (arg[1] == '-' && optchar != 'h') {
// Iff optopt holds a valid option then argument must be missing.
if (optopt && (strchr(shortopts, optopt) != NULL)) {
pout("=======> ARGUMENT REQUIRED FOR OPTION: %s <=======\n", arg+2);
printvalidarglistmessage(optopt);
} else
pout("=======> UNRECOGNIZED OPTION: %s <=======\n",arg+2);
UsageSummary();
EXIT(FAILCMD);
}
#endif
if (optopt) {
// Iff optopt holds a valid option then argument must be
// missing. Note (BA) this logic seems to fail using Solaris
// getopt!
if (strchr(shortopts, optopt) != NULL) {
pout("=======> ARGUMENT REQUIRED FOR OPTION: %c <=======\n", optopt);
printvalidarglistmessage(optopt);
} else
pout("=======> UNRECOGNIZED OPTION: %c <=======\n",optopt);
UsageSummary();
EXIT(FAILCMD);
}
Usage();
EXIT(0);
} // closes switch statement to process command-line options
// Check to see if option had an unrecognized or incorrect argument.
if (badarg) {
printslogan();
// It would be nice to print the actual option name given by the user
// here, but we just print the short form. Please fix this if you know
// a clean way to do it.
pout("=======> INVALID ARGUMENT TO -%c: %s <======= \n", optchar, optarg);
printvalidarglistmessage(optchar);
UsageSummary();
EXIT(FAILCMD);
}
}
// At this point we have processed all command-line options.
// Do this here, so results are independent of argument order
if (con->quietmode)
con->veryquietmode=TRUE;
// error message if user has asked for more than one test
if (1<(con->smartexeoffimmediate+con->smartshortselftest+con->smartextendselftest+
con->smartshortcapselftest+con->smartextendcapselftest+con->smartselftestabort)){
con->veryquietmode=FALSE;
printslogan();
pout("\nERROR: smartctl can only run a single test (or abort) at a time.\n");
UsageSummary();
EXIT(FAILCMD);
}
// If captive option was used, change test type if appropriate.
if (captive && con->smartshortselftest) {
con->smartshortselftest = FALSE;
con->smartshortcapselftest = TRUE;
con->testcase = SHORT_CAPTIVE_SELF_TEST;
} else if (captive && con->smartextendselftest) {
con->smartextendselftest = FALSE;
con->smartextendcapselftest = TRUE;
con->testcase = EXTEND_CAPTIVE_SELF_TEST;
}
else if (captive && con->smartconveyanceselftest) {
con->smartconveyanceselftest = FALSE;
con->smartconveyancecapselftest = TRUE;
con->testcase = CONVEYANCE_CAPTIVE_SELF_TEST;
}
#if DEVELOP_SELECTIVE_SELF_TEST
else if (captive && con->smartselectiveselftest) {
con->smartselectiveselftest = FALSE;
con->smartselectivecapselftest = TRUE;
con->testcase = SELECTIVE_CAPTIVE_SELF_TEST;
}
#endif
// From here on, normal operations...
printslogan();
// Warn if the user has provided no device name
if (argc-optind<1){
pout("ERROR: smartctl requires a device name as the final command-line argument.\n\n");
UsageSummary();
EXIT(FAILCMD);
}
// Warn if the user has provided more than one device name
if (argc-optind>1){
int i;
pout("ERROR: smartctl takes ONE device name as the final command-line argument.\n");
pout("You have provided %d device names:\n",argc-optind);
for (i=0; i<argc-optind; i++)
pout("%s\n",argv[optind+i]);
UsageSummary();
EXIT(FAILCMD);
}
}
// Printing function (controlled by global con->veryquietmode)
// [From GLIBC Manual: Since the prototype doesn't specify types for
// optional arguments, in a call to a variadic function the default
// argument promotions are performed on the optional argument
// values. This means the objects of type char or short int (whether
// signed or not) are promoted to either int or unsigned int, as
// appropriate.]
void pout(char *fmt, ...){
va_list ap;
// initialize variable argument list
va_start(ap,fmt);
if (con->veryquietmode){
va_end(ap);
return;
}
// print out
vprintf(fmt,ap);
va_end(ap);
fflush(stdout);
return;
}
/* Main Program */
int main (int argc, char **argv){
int fd,retval=0;
char *device;
smartmonctrl control;
int dev_type;
char *mode=NULL;
// define control block for external functions
con=&control;
// Part input arguments
ParseOpts(argc,argv);
device = argv[argc-1];
if (!tryata && !tryscsi) {
// user has not specified device type, so guess
dev_type = guess_device_type(device);
if (GUESS_DEVTYPE_SCSI == dev_type) {
tryscsi = 1;
} else if (GUESS_DEVTYPE_ATA == dev_type)
tryata = 1;
else {
pout("Smartctl: please specify if this is an ATA or SCSI device with the -d option.\n");
UsageSummary();
return FAILCMD;
}
}
// set up mode for open() call. SCSI case is:
mode="SCSI";
if (tryata)
mode="ATA";
// open device - SCSI devices are opened (O_RDWR | O_NONBLOCK) so the
// scsi generic device can be used (needs write permission for MODE
// SELECT command) plus O_NONBLOCK to stop open hanging if media not
// present (e.g. with st). Opening is retried O_RDONLY if read-only
// media prevents opening O_RDWR (it cannot happen for scsi generic
// devices, but it can for the others).
fd = deviceopen(device, mode);
if (fd<0) {
char errmsg[256];
snprintf(errmsg,256,"Smartctl open device: %s failed",argv[argc-1]);
errmsg[255]='\0';
syserror(errmsg);
return FAILDEV;
}
// now call appropriate ATA or SCSI routine
if (tryata)
retval = ataPrintMain(fd);
else if (tryscsi)
retval = scsiPrintMain(fd);
else {
pout("Smartctl: specify if this is an ATA or SCSI device with the -d option.\n");
UsageSummary();
return FAILCMD;
}
return retval;
}