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source: MondoRescue/trunk/mondo/src/common/libmondo-devices.c@ 1161

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Last change on this file since 1161 was 1161, checked in by Bruno Cornec, 17 years ago
Update trunk with the latest feedback from stable (obtained with meld) - First pass
Property svn:keywords set to `Id`
File size: 64.5 KB

Rev	Line
[1079]	1	/* libmondo-devices.c Subroutines for handling devices
	2	$Id: libmondo-devices.c 1161 2007-02-14 12:13:49Z bruno $
	3	*/
	4
[1]	5	/**
	6	* @file
	7	* Functions to handle interactions with backup devices.
	8	*/
	9
	10	#include "my-stuff.h"
	11	#include "mondostructures.h"
	12	#include "libmondo-files-EXT.h"
	13	#include "libmondo-devices.h"
	14	#include "libmondo-string-EXT.h"
	15	#include "libmondo-tools-EXT.h"
[507]	16	#include "newt-specific-EXT.h"
[1]	17	#include "libmondo-fork-EXT.h"
	18	#include "libmondo-stream-EXT.h"
[900]	19	#include "mr_mem.h"
[1161]	20	#include "mr_msg.h"
[1]	21
[146]	22	#include <sys/ioctl.h>
[1]	23	#include <sys/types.h>
[688]	24	#include <unistd.h>
[1]	25	#ifdef __FreeBSD__
	26	#define DKTYPENAMES
	27	#define FSTYPENAMES
	28	#include <sys/disklabel.h>
	29	#include <sys/disk.h>
	30	#elif linux
	31	#define u64 unsigned long long
[59]	32	#include <linux/fs.h> /* for BLKGETSIZE64 */
[1]	33	#include <linux/hdreg.h>
	34	#endif
	35
	36	/@unused@/
[59]	37	//static char cvsid[] = "$Id: libmondo-devices.c 1161 2007-02-14 12:13:49Z bruno $";
[1]	38
	39	extern int g_current_media_number;
	40	extern double g_kernel_version;
	41
	42	extern bool g_ISO_restore_mode;
	43	extern struct s_bkpinfo *g_bkpinfo_DONTUSETHIS;
	44	extern char *g_erase_tmpdir_and_scratchdir;
[75]	45	extern char *g_selfmounted_isodir;
[1]	46
[171]	47	static char *g_cdrw_drive_is_here = NULL;
	48	static char *g_cdrom_drive_is_here = NULL;
	49	static char *g_dvd_drive_is_here = NULL;
[1]	50
	51
	52	/**
	53	* ????? @bug ?????
	54	* @ingroup globalGroup
	55	*/
[59]	56	bool g_restoring_live_from_cd = FALSE;
[1]	57
[59]	58	extern t_bkptype g_backup_media_type; // set by main()
[1]	59
	60
	61
	62
	63	void set_g_cdrom_and_g_dvd_to_bkpinfo_value(struct s_bkpinfo *bkpinfo)
	64	{
[171]	65	if (bkpinfo->media_device != NULL) {
[900]	66	mr_allocstr(g_cdrom_drive_is_here, bkpinfo->media_device); // just in case
	67	mr_allocstr(g_dvd_drive_is_here, bkpinfo->media_device); // just in case
[171]	68	}
[1]	69	}
	70
	71
	72
	73	/**
	74	* Retract all CD trays and wait for autorun to complete.
	75	* @ingroup deviceGroup
	76	*/
	77	void retract_CD_tray_and_defeat_autorun(void)
	78	{
	79	// log_it("rctada: Retracting all CD trays", __LINE__);
[59]	80	if (strlen(g_cdrom_drive_is_here) > 0) {
	81	inject_device(g_cdrom_drive_is_here);
	82	}
	83	if (strlen(g_dvd_drive_is_here) > 0) {
	84	inject_device(g_dvd_drive_is_here);
	85	}
	86	if (strlen(g_cdrw_drive_is_here) > 0) {
	87	inject_device(g_cdrw_drive_is_here);
	88	}
[1]	89	// log_it("rctada: killing autorun");
	90	// run_program_and_log_output("killall autorun", TRUE);
[59]	91	if (!run_program_and_log_output("ps \| grep autorun \| grep -v grep", 5)) {
	92	log_it("autorun detected; sleeping for 2 seconds");
	93	sleep(2);
	94	}
	95	log_it("rctada: Unmounting all CD drives", __LINE__);
	96	run_program_and_log_output("umount /dev/cdr* /dev/dvd*", 5);
[1]	97	}
	98
	99
[783]	100	/**
	101	* Mount the CD-ROM at @p mountpoint.
	102	* @param device The device (or file if g_ISO_restore_mode) to mount.
	103	* @param mountpoint The place to mount it.
	104	* @return TRUE for success, FALSE for failure.
	105	*/
	106	bool mount_CDROM_here(char device, char mountpoint)
	107	{
	108	/@ buffer ***************************************************** */
	109	char *command = NULL;
	110	int retval = 0;
[1]	111
[783]	112	assert_string_is_neither_NULL_nor_zerolength(device);
	113	assert_string_is_neither_NULL_nor_zerolength(mountpoint);
	114
	115	make_hole_for_dir(mountpoint);
	116	if (isdigit(device[0])) {
[900]	117	mr_free(device);
[783]	118	device = find_cdrom_device(FALSE);
	119	}
	120	if (g_ISO_restore_mode) {
	121
	122	#ifdef __FreeBSD__
	123	char *dev = NULL;
	124
	125	dev = make_vn(device));
	126	if (!dev) {
[900]	127	mr_asprintf(&command, "Unable to mount ISO (make_vn(%s) failed)",
[783]	128	device);
	129	fatal_error(command);
	130	}
[900]	131	mr_free(device);
[783]	132	device = dev;
	133	#endif
	134	}
	135
[1086]	136	mr_msg(4, "(mount_CDROM_here --- device=%s, mountpoint=%s", device,
[783]	137	mountpoint);
	138	/@ end vars ************************************************** */
	139
	140	#ifdef __FreeBSD__
[900]	141	mr_asprintf(&command, "mount_cd9660 -r %s %s 2>> %s",
[783]	142	device, mountpoint, MONDO_LOGFILE);
	143	#else
[900]	144	mr_asprintf(&command, "mount %s -o ro,loop -t iso9660 %s 2>> %s",
[783]	145	device, mountpoint, MONDO_LOGFILE);
	146	#endif
	147
[1086]	148	mr_msg(4, command);
[783]	149	if (strncmp(device, "/dev/", 5) == 0) {
	150	retract_CD_tray_and_defeat_autorun();
	151	}
	152	retval = system(command);
[1086]	153	mr_msg(1, "system(%s) returned %d", command, retval);
[900]	154	mr_free(command);
[783]	155
	156	if (retval == 0) {
	157	return(TRUE);
	158	} else {
	159	return(FALSE);
	160	}
	161	}
	162
	163
	164
[1]	165	/**
	166	* Determine whether we're booted off a ramdisk.
	167	* @return @c TRUE (we are) or @c FALSE (we aren't).
	168	* @ingroup utilityGroup
	169	*/
[59]	170	bool am_I_in_disaster_recovery_mode(void)
[1]	171	{
[1161]	172	char *tmp = NULL;
	173	char *comment = NULL;
[59]	174	bool is_this_a_ramdisk = FALSE;
[1]	175
[900]	176	mr_asprintf(&tmp, where_is_root_mounted());
	177	mr_asprintf(&comment, "root is mounted at %s\n", tmp);
[1086]	178	mr_msg(0, comment);
[900]	179	mr_free(comment);
[146]	180
[1086]	181	mr_msg(0,
[59]	182	"No, Schlomo, that doesn't mean %s is the root partition. It's just a debugging message. Relax. It's part of am_I_in_disaster_recovery_mode().",
	183	tmp);
[1]	184
	185	#ifdef __FreeBSD__
[59]	186	if (strstr(tmp, "/dev/md")) {
	187	is_this_a_ramdisk = TRUE;
	188	}
[1]	189	#else
[59]	190	if (!strncmp(tmp, "/dev/ram", 8)
	191	\|\| (!strncmp(tmp, "/dev/rd", 7) && !strcmp(tmp, "/dev/rd/")
	192	&& strncmp(tmp, "/dev/rd/cd", 10)) \|\| strstr(tmp, "rootfs")
	193	\|\| !strcmp(tmp, "/dev/root")) {
	194	is_this_a_ramdisk = TRUE;
	195	} else {
	196	is_this_a_ramdisk = FALSE;
	197	}
[1]	198	#endif
[900]	199	mr_free(tmp);
[1]	200
[59]	201	if (is_this_a_ramdisk) {
	202	if (!does_file_exist("/THIS-IS-A-RAMDISK")
	203	&& !does_file_exist("/tmp/mountlist.txt.sample")) {
	204	log_to_screen
[507]	205	(_("Using /dev/root is stupid of you but I'll forgive you."));
[59]	206	is_this_a_ramdisk = FALSE;
	207	}
	208	}
	209	if (does_file_exist("/THIS-IS-A-RAMDISK")) {
	210	is_this_a_ramdisk = TRUE;
	211	}
[1086]	212	mr_msg(1, "Is this a ramdisk? result = %d", is_this_a_ramdisk);
[59]	213	return (is_this_a_ramdisk);
[1]	214	}
	215
	216
	217	/**
	218	* Turn @c bkpinfo->backup_media_type into a human-readable string.
	219	* @return The human readable string (e.g. @c cdr becomes <tt>"cdr"</tt>).
	220	* @note The returned string points to static storage that will be overwritten with each call.
	221	* @ingroup stringGroup
	222	*/
[1161]	223	static char *bkptype_to_string(t_bkptype bt)
[1]	224	{
[171]	225	char *output = NULL;
[146]	226
[59]	227	switch (bt) {
	228	case none:
[900]	229	mr_asprintf(&output, _("none"));
[1]	230	break;
[59]	231	case iso:
[900]	232	mr_asprintf(&output, _("iso"));
[1]	233	break;
[59]	234	case cdr:
[900]	235	mr_asprintf(&output, _("cdr"));
[1]	236	break;
[59]	237	case cdrw:
[900]	238	mr_asprintf(&output, _("cdrw"));
[1]	239	break;
[59]	240	case cdstream:
[900]	241	mr_asprintf(&output, _("cdstream"));
[1]	242	break;
[59]	243	case nfs:
[900]	244	mr_asprintf(&output, _("nfs"));
[1]	245	break;
[59]	246	case tape:
[900]	247	mr_asprintf(&output, _("tape"));
[1]	248	break;
[59]	249	case udev:
[900]	250	mr_asprintf(&output, _("udev"));
[1]	251	break;
[1161]	252	case usb:
	253	mr_asprintf(&output, _("usb"));
	254	break;
[59]	255	default:
[900]	256	mr_asprintf(&output, _("default"));
[59]	257	}
[147]	258	return (output);
[1]	259	}
	260
	261
	262	/**
	263	* @addtogroup deviceGroup
	264	* @{
	265	*/
	266	/**
	267	* Eject the tray of the specified CD device.
	268	* @param dev The device to eject.
	269	* @return the return value of the @c eject command. (0=success, nonzero=failure)
	270	*/
[59]	271	int eject_device(char *dev)
[1]	272	{
[1161]	273	char *command = NULL;
[59]	274	int res1 = 0, res2 = 0;
[1]	275
[59]	276	if (IS_THIS_A_STREAMING_BACKUP(g_backup_media_type)
	277	&& g_backup_media_type != udev) {
[900]	278	mr_asprintf(&command, "mt -f %s offline", dev);
[59]	279	res1 = run_program_and_log_output(command, 1);
[900]	280	mr_free(command);
[59]	281	} else {
	282	res1 = 0;
	283	}
[1]	284
	285	#ifdef __FreeBSD__
[59]	286	if (strstr(dev, "acd")) {
[900]	287	mr_asprintf(&command, "cdcontrol -f %s eject", dev);
[59]	288	} else {
[900]	289	mr_asprintf(&command, "camcontrol eject `echo %s \| sed 's\|/dev/\|\|'`",
[59]	290	dev);
	291	}
[1]	292	#else
[900]	293	mr_asprintf(&command, "eject %s", dev);
[1]	294	#endif
	295
[1086]	296	mr_msg(3, "Ejecting %s", dev);
[59]	297	res2 = run_program_and_log_output(command, 1);
[900]	298	mr_free(command);
[59]	299	if (res1 && res2) {
	300	return (1);
	301	} else {
	302	return (0);
	303	}
[1]	304	}
	305
[146]	306
[1]	307	/**
	308	* Load (inject) the tray of the specified CD device.
	309	* @param dev The device to load/inject.
	310	* @return 0 for success, nonzero for failure.
	311	*/
[59]	312	int inject_device(char *dev)
[1]	313	{
[1161]	314	char *command = NULL;
[59]	315	int i;
[1]	316
	317	#ifdef __FreeBSD__
[59]	318	if (strstr(dev, "acd")) {
[900]	319	mr_asprintf(&command, "cdcontrol -f %s close", dev);
[59]	320	} else {
[900]	321	mr_asprintf(&command, "camcontrol load `echo %s \| sed 's\|/dev/\|\|'`",
[59]	322	dev);
	323	}
[1]	324	#else
[900]	325	mr_asprintf(&command, "eject -t %s", dev);
[1]	326	#endif
[59]	327	i = run_program_and_log_output(command, FALSE);
[900]	328	mr_free(command);
[59]	329	return (i);
[1]	330	}
	331
	332
	333	/**
	334	* Determine whether the specified @p device (really, you can use any file)
	335	* exists.
	336	* @return TRUE if it exists, FALSE if it doesn't.
	337	*/
[59]	338	bool does_device_exist(char *device)
[1]	339	{
	340
[59]	341	/@ buffers ********************************************************** */
[1161]	342	char *tmp = NULL;
	343	bool ret = FALSE;
[1]	344
[59]	345	assert_string_is_neither_NULL_nor_zerolength(device);
[1]	346
[900]	347	mr_asprintf(&tmp, "ls %s > /dev/null 2> /dev/null", device);
[59]	348
	349	if (system(tmp)) {
[146]	350	ret = FALSE;
[59]	351	} else {
[146]	352	ret = TRUE;
[59]	353	}
[900]	354	mr_free(tmp);
[146]	355	return(ret);
[1]	356	}
	357
	358
	359	/**
	360	* Determine whether a non-Microsoft partition exists on any connected hard drive.
	361	* @return TRUE (there's a Linux/FreeBSD partition) or FALSE (Microsoft has taken over yet another innocent PC).
	362	*/
[59]	363	bool does_nonMS_partition_exist(void)
[1]	364	{
	365	#if __FreeBSD__
[59]	366	return
	367	!system
	368	("for drive in /dev/ad? /dev/da?; do fdisk $drive \| grep -q FreeBSD && exit 0; done; false");
[1]	369	#else
[59]	370	return
	371	!system
[687]	372	("parted2fdisk -l 2>/dev/null \| grep '^/dev/' \| grep -Eqv '(MS\|DOS\|FAT\|NTFS)'");
[1]	373	#endif
	374	}
	375
	376	/**
	377	* Determine whether the specified @p partno exists on the specified @p drive.
	378	* @param drive The drive to search for the partition in.
	379	* @param partno The partition number to look for.
	380	* @return 0 if it exists, nonzero otherwise.
	381	*/
[59]	382	int does_partition_exist(const char *drive, int partno)
[1]	383	{
[59]	384	/@ buffers *************************************************** */
[1161]	385	char *program = NULL;
[146]	386	char *incoming = NULL;
[1161]	387	char *searchstr = NULL;
	388	char *tmp = NULL;
[1]	389
[59]	390	/@ ints ****************************************************** */
	391	int res = 0;
[171]	392	size_t n = 0;
[1]	393
[59]	394	/@ pointers ************************************************** */
	395	FILE *fin;
[1]	396
	397
[59]	398	/@ end vars ************************************************** */
	399	assert_string_is_neither_NULL_nor_zerolength(drive);
	400	assert(partno >= 0 && partno < 999);
[1]	401
	402	#ifdef __FreeBSD__
[59]	403	// We assume here that this is running from mondorestore. (It is.)
[900]	404	mr_asprintf(&program, "ls %s >/dev/null 2>&1", drive);
[146]	405	res = system(program);
[900]	406	mr_free(program);
[146]	407	return(res);
[1]	408	#endif
	409
[900]	410	mr_asprintf(&program, "parted2fdisk -l %s 2> /dev/null", drive);
[59]	411	fin = popen(program, "r");
	412	if (!fin) {
	413	log_it("program=%s", program);
	414	log_OS_error("Cannot popen-in program");
[900]	415	mr_free(program);
[59]	416	return (0);
[1]	417	}
[900]	418	mr_free(program);
[146]	419
[688]	420	searchstr = build_partition_name(drive, partno);
[900]	421	mr_asprintf(&tmp, "%s ", searchstr);
	422	mr_free(searchstr);
[688]	423
[900]	424	for (res = 0; !res ;) {
	425	mr_getline(&incoming, &n, fin);
[688]	426	if (strstr(incoming, tmp)) {
[59]	427	res = 1;
	428	}
	429	}
[900]	430	mr_free(incoming);
[146]	431
[59]	432	if (pclose(fin)) {
	433	log_OS_error("Cannot pclose fin");
	434	}
[900]	435	mr_free(tmp);
[59]	436	return (res);
[1]	437	}
	438
	439
	440	/**
	441	* Determine whether given NULL-terminated @p str exists in the MBR of @p dev.
	442	* @param dev The device to look in.
	443	* @param str The string to look for.
	444	* @return TRUE if it exists, FALSE if it doesn't.
	445	*/
[59]	446	bool does_string_exist_in_boot_block(char dev, char str)
[1]	447	{
[59]	448	/@ buffers *************************************************** */
[1161]	449	char *command = NULL;
[1]	450
[59]	451	/@ end vars ************************************************** */
[146]	452	int ret;
[1]	453
[59]	454	assert_string_is_neither_NULL_nor_zerolength(dev);
	455	assert_string_is_neither_NULL_nor_zerolength(str);
[1]	456
[900]	457	mr_asprintf(&command,
[59]	458	"dd if=%s bs=446 count=1 2> /dev/null \| strings \| grep \"%s\" > /dev/null 2> /dev/null",
	459	dev, str);
[146]	460	ret = system(command);
[900]	461	mr_free(command);
[146]	462	if (ret) {
[59]	463	return (FALSE);
	464	} else {
	465	return (TRUE);
	466	}
[1]	467	}
	468
[146]	469
[1]	470	/**
	471	* Determine whether specified @p str exists in the first @p n sectors of
	472	* @p dev.
	473	* @param dev The device to look in.
	474	* @param str The string to look for.
	475	* @param n The number of 512-byte sectors to search.
	476	*/
[59]	477	bool does_string_exist_in_first_N_blocks(char dev, char str, int n)
[1]	478	{
[59]	479	/@ buffers *************************************************** */
[1161]	480	char *command = NULL;
[59]	481	/@ end vars ************************************************** */
[146]	482	int ret;
[1]	483
[900]	484	mr_asprintf(&command,
[59]	485	"dd if=%s bs=512 count=%i 2> /dev/null \| strings \| grep \"%s\" > /dev/null 2> /dev/null",
	486	dev, n, str);
[146]	487	ret = system(command);
[900]	488	mr_free(command);
[146]	489
	490	if (ret) {
[59]	491	return (FALSE);
	492	} else {
	493	return (TRUE);
	494	}
[1]	495	}
	496
	497
	498	/**
	499	* Try to mount CD-ROM at @p mountpoint. If the CD-ROM is not found or has
	500	* not been specified, call find_cdrom_device() to find it.
	501	* @param bkpinfo The backup information structure. The only field used is @c bkpinfo->media_device.
	502	* @param mountpoint Where to mount the CD-ROM.
	503	* @return 0 for success, nonzero for failure.
	504	* @see mount_CDROM_here
	505	*/
[171]	506	bool find_and_mount_actual_cd(struct s_bkpinfo bkpinfo, char mountpoint)
[1]	507	{
[59]	508	/@ buffers **************************************************** */
[1]	509
[59]	510	/@ int's ***************************************************** */
[171]	511	bool res = TRUE;
	512	char *dev = NULL;
[1]	513
[59]	514	/@ end vars *************************************************** */
[1]	515
[59]	516	assert(bkpinfo != NULL);
	517	assert_string_is_neither_NULL_nor_zerolength(mountpoint);
[1]	518
[59]	519	if (g_backup_media_type == dvd) {
[171]	520	if (g_dvd_drive_is_here != NULL) {
[900]	521	mr_asprintf(&dev, g_dvd_drive_is_here);
[171]	522	} else {
	523	dev = find_dvd_device();
[59]	524	}
	525	} else {
[171]	526	if (g_cdrom_drive_is_here != NULL) {
[900]	527	mr_asprintf(&dev, g_cdrom_drive_is_here);
[171]	528	} else {
[688]	529	// find_cdrom_device allocates the string
[171]	530	dev = find_cdrom_device(FALSE);
[59]	531	}
	532	}
[1]	533
[59]	534	if (bkpinfo->backup_media_type != iso) {
	535	retract_CD_tray_and_defeat_autorun();
	536	}
[1]	537
[171]	538	if ((dev == NULL) \|\| (! mount_CDROM_here(dev, mountpoint))) {
[900]	539	mr_free(dev);
[59]	540	if (!popup_and_get_string
[688]	541	(_("CD-ROM device"), _("Please enter your CD-ROM's /dev device"), dev)) {
[171]	542	res = FALSE;
[59]	543	} else {
	544	res = mount_CDROM_here(dev, mountpoint);
	545	}
	546	}
	547	if (res) {
[1086]	548	mr_msg(1, _("mount failed"));
[59]	549	} else {
[1086]	550	mr_msg(1, _("mount succeeded with %s"), dev);
[59]	551	}
[900]	552	mr_free(dev);
[171]	553	return(res);
[1]	554	}
	555
	556
	557	/**
	558	* Locate a CD-R/W writer's SCSI node.
[171]	559	* @param cdrw_device SCSI node will be placed here. Caller needs to free it.
	560	* @return the cdrw device or NULL if not found
[1]	561	*/
[171]	562	char *find_cdrw_device(void)
[1]	563	{
[689]	564	char *comment = NULL;
	565	char *tmp = NULL;
	566	char *tmp1 = NULL;
	567	char *cdr_exe = NULL;
	568	char *command = NULL;
	569	char *cdrw_device = NULL;
[1]	570
[171]	571	if (g_cdrw_drive_is_here != NULL) {
[900]	572	mr_asprintf(&cdrw_device, g_cdrw_drive_is_here);
[1086]	573	mr_msg(3, "Been there, done that. Returning %s", cdrw_device);
[171]	574	return(cdrw_device);
[59]	575	}
	576	if (g_backup_media_type == dvd) {
[1086]	577	mr_msg(1,
[59]	578	"This is dumb. You're calling find_cdrw_device() but you're backing up to DVD. WTF?");
[171]	579	return(NULL);
[59]	580	}
	581	run_program_and_log_output("insmod ide-scsi", -1);
[689]	582	tmp = find_home_of_exe("cdrecord");
	583	if (tmp) {
[900]	584	mr_asprintf(&cdr_exe, "cdrecord");
[59]	585	} else {
[900]	586	mr_asprintf(&cdr_exe, "dvdrecord");
[59]	587	}
[900]	588	mr_free(tmp);
[689]	589
	590	tmp1 = find_home_of_exe(cdr_exe);
	591	if (tmp1) {
[900]	592	mr_asprintf(&command,
[59]	593	"%s -scanbus 2> /dev/null \| tr -s '\t' ' ' \| grep \"[0-9],[0-9],[0-9]\" \| grep -v \"[0-9]) \\*\" \| grep CD \| cut -d' ' -f2 \| head -n1",
	594	cdr_exe);
[900]	595	mr_asprintf(&tmp, call_program_and_get_last_line_of_output(command));
	596	mr_free(command);
[146]	597	} else {
[900]	598	mr_asprintf(&tmp, " ");
[59]	599	}
[900]	600	mr_free(tmp1);
	601	mr_free(cdr_exe);
[146]	602
[59]	603	if (strlen(tmp) < 2) {
[900]	604	mr_free(tmp);
[171]	605	return(NULL);
[59]	606	} else {
[171]	607	cdrw_device = tmp;
[146]	608
[900]	609	mr_asprintf(&comment, "Found CDRW device - %s", cdrw_device);
[59]	610	log_it(comment);
[900]	611	mr_free(comment);
[146]	612
[900]	613	mr_free(g_cdrw_drive_is_here);
	614	mr_asprintf(&g_cdrw_drive_is_here, cdrw_device);
[171]	615	return(cdrw_device);
[59]	616	}
[1]	617	}
	618
	619
	620	/**
	621	* Attempt to locate a CD-ROM device's /dev entry.
	622	* Several different methods may be used to find the device, including
	623	* calling @c cdrecord, searching @c dmesg, and trial-and-error.
[171]	624	* @param output Where to put the located /dev entry. Needs to be freed by the caller.
[1]	625	* @param try_to_mount Whether to mount the CD as part of the test; if mount
	626	* fails then return failure.
[171]	627	* @return output if success or NULL otherwise.
[1]	628	*/
[171]	629	char *find_cdrom_device(bool try_to_mount)
[1]	630	{
[59]	631	/@ pointers *************************************************** */
[688]	632	FILE *fin = NULL;
	633	char *p = NULL;
	634	char *q = NULL;
	635	char *r = NULL;
[171]	636	char *output = NULL;
	637	size_t n = 0;
[1]	638
[59]	639	/@ bool's ***************************************************** */
	640	bool found_it = FALSE;
[1]	641
[59]	642	/@ buffers **************************************************** */
[146]	643	char *tmp = NULL;
[688]	644	char *cdr_exe = NULL;
[146]	645	#ifndef __FreeBSD__
	646	char *phrase_two = NULL;
	647	char *dvd_last_resort = NULL;
	648	#endif
[688]	649	char *command = NULL;
	650	char *mountpoint = NULL;
	651	static char *the_last_place_i_found_it = NULL;
[1]	652
[59]	653	/@ end vars *************************************************** */
[1]	654
[171]	655	if ((g_cdrom_drive_is_here != NULL) && !isdigit(g_cdrom_drive_is_here[0])) {
[900]	656	mr_asprintf(&output, g_cdrom_drive_is_here);
[1086]	657	mr_msg(3, "Been there, done that. Returning %s", output);
[171]	658	return(output);
[59]	659	}
[688]	660	if ((the_last_place_i_found_it != NULL) && !try_to_mount) {
[900]	661	mr_asprintf(&output, the_last_place_i_found_it);
[1086]	662	mr_msg(3,
[59]	663	"find_cdrom_device() --- returning last found location - '%s'",
	664	output);
[171]	665	return(output);
[59]	666	}
[1]	667
[689]	668	tmp = find_home_of_exe("cdrecord");
	669	if (tmp) {
[900]	670	mr_asprintf(&cdr_exe, "cdrecord");
[59]	671	} else {
[900]	672	mr_asprintf(&cdr_exe, "dvdrecord");
[59]	673	}
[900]	674	mr_free(tmp);
[689]	675
	676	tmp = find_home_of_exe(cdr_exe);
	677	if (!tmp) {
[900]	678	mr_asprintf(&output, "/dev/cdrom");
[1086]	679	mr_msg(4, "Can't find cdrecord; assuming %s", output);
[59]	680	if (!does_device_exist(output)) {
[1086]	681	mr_msg(4, "That didn't work. Sorry.");
[900]	682	mr_free(cdr_exe);
	683	mr_free(output);
[171]	684	return(NULL);
[59]	685	} else {
[900]	686	mr_free(cdr_exe);
[171]	687	return(output);
[59]	688	}
	689	}
[900]	690	mr_free(tmp);
[59]	691
[900]	692	mr_asprintf(&command, "%s -scanbus 2> /dev/null", cdr_exe);
[59]	693	fin = popen(command, "r");
	694	if (!fin) {
[1086]	695	mr_msg(4, "command=%s", command);
[59]	696	log_OS_error("Cannot popen command");
[900]	697	mr_free(cdr_exe);
	698	mr_free(command);
[171]	699	return (NULL);
[59]	700	}
[900]	701	mr_free(command);
[146]	702
[900]	703	for (mr_getline(&tmp, &n, fin); !feof(fin);
	704	mr_getline(&tmp, &n, fin)) {
[59]	705	p = strchr(tmp, '\'');
	706	if (p) {
	707	q = strchr(++p, '\'');
	708	if (q) {
	709	for (r = q; *(r - 1) == ' '; r--);
	710	*r = '\0';
	711	p = strchr(++q, '\'');
	712	if (p) {
	713	q = strchr(++p, '\'');
	714	if (q) {
	715	while (*(q - 1) == ' ') {
	716	q--;
	717	}
	718	*q = '\0';
[146]	719	#ifndef __FreeBSD__
[900]	720	mr_free(phrase_two);
	721	mr_asprintf(&phrase_two, p);
[146]	722	#endif
[59]	723	}
	724	}
[1]	725	}
	726	}
	727	}
[59]	728	paranoid_pclose(fin);
[900]	729	mr_free(tmp);
[146]	730	tmp = NULL;
	731	n = 0;
[1]	732
	733	#ifndef __FreeBSD__
[59]	734	if (strlen(phrase_two) == 0) {
[1086]	735	mr_msg(4, "Not running phase two. String is empty.");
[59]	736	} else {
[900]	737	mr_asprintf(&command, "dmesg \| grep \"%s\" 2> /dev/null", phrase_two);
[59]	738	fin = popen(command, "r");
	739	if (!fin) {
[1086]	740	mr_msg(4, "Cannot run 2nd command - non-fatal, fortunately");
[59]	741	} else {
[900]	742	for (mr_getline(&tmp, &n, fin); !feof(fin);
	743	mr_getline(&tmp, &n, fin)) {
[1086]	744	mr_msg(5, "--> '%s'", tmp);
[59]	745	if (tmp[0] != ' ' && tmp[1] != ' ') {
	746	p = strchr(tmp, ':');
	747	if (p) {
	748	*p = '\0';
	749	if (strstr(tmp, "DVD")) {
[900]	750	mr_free(dvd_last_resort);
	751	mr_asprintf(&dvd_last_resort, "/dev/%s", tmp);
[1086]	752	mr_msg(4,
[59]	753	"Ignoring '%s' because it's a DVD drive",
	754	tmp);
	755	} else {
[900]	756	mr_asprintf(&output, "/dev/%s", tmp);
[59]	757	found_it = TRUE;
	758	}
	759	}
	760	}
	761	}
[900]	762	mr_free(tmp);
[59]	763	paranoid_pclose(fin);
	764	}
[900]	765	mr_free(command);
[59]	766	}
[900]	767	mr_free(phrase_two);
[1]	768
	769	#endif
	770	#ifdef __FreeBSD__
[59]	771	if (!found_it) {
[1086]	772	mr_msg(4, "OK, approach 2");
[59]	773	if (!(found_it = set_dev_to_this_if_rx_OK(output, "/dev/cdrom"))) {
	774	if (!
	775	(found_it =
	776	set_dev_to_this_if_rx_OK(output, "/dev/cdrom1"))) {
	777	if (!
	778	(found_it =
	779	set_dev_to_this_if_rx_OK(output, "/dev/dvd"))) {
	780	if (!
	781	(found_it =
	782	set_dev_to_this_if_rx_OK(output, "/dev/acd0"))) {
	783	if (!
	784	(found_it =
	785	set_dev_to_this_if_rx_OK(output,
	786	"/dev/cd01"))) {
	787	if (!
	788	(found_it =
	789	set_dev_to_this_if_rx_OK(output,
	790	"/dev/acd1"))) {
	791	if (!
	792	(found_it =
	793	set_dev_to_this_if_rx_OK(output,
	794	"/dev/cd1")))
	795	{
[900]	796	mr_free(cdr_exe);
[171]	797	return(NULL);
[59]	798	}
	799	}
	800	}
	801	}
	802	}
	803	}
	804	}
	805	}
[1]	806	#else
[146]	807	if (dvd_last_resort != NULL) {
	808	if (!found_it && strlen(dvd_last_resort) > 0) {
[1086]	809	mr_msg(4, "Well, I'll use the DVD - %s - as a last resort",
[146]	810	dvd_last_resort);
[900]	811	mr_free(output);
	812	mr_asprintf(&output, dvd_last_resort);
[146]	813	found_it = TRUE;
	814	}
[1]	815	}
[900]	816	mr_free(dvd_last_resort);
[146]	817
[59]	818	if (found_it) {
[900]	819	mr_asprintf(&tmp, "grep \"%s=ide-scsi\" /proc/cmdline &> /dev/null",
[59]	820	strrchr(output, '/') + 1);
	821	if (system(tmp) == 0) {
[1086]	822	mr_msg(4,
[59]	823	"%s is not right. It's being SCSI-emulated. Continuing.",
	824	output);
	825	found_it = FALSE;
[900]	826	mr_free(output);
[59]	827	}
[900]	828	mr_free(tmp);
[59]	829	}
[1]	830
[59]	831	if (found_it) {
[1086]	832	mr_msg(4, "(find_cdrom_device) --> '%s'", output);
[59]	833	if (!does_device_exist(output)) {
[1086]	834	mr_msg(4, "OK, I was wrong, I haven't found it... yet.");
[59]	835	found_it = FALSE;
[900]	836	mr_free(output);
[59]	837	}
	838	}
[1]	839
[59]	840	if (!found_it) {
[1086]	841	mr_msg(4, "OK, approach 2");
[59]	842	if (!(found_it = set_dev_to_this_if_rx_OK(output, "/dev/scd0"))) {
	843	if (!(found_it = set_dev_to_this_if_rx_OK(output, "/dev/sr0"))) {
	844	if (!
	845	(found_it =
	846	set_dev_to_this_if_rx_OK(output, "/dev/cdrom"))) {
	847	if (!
	848	(found_it =
	849	set_dev_to_this_if_rx_OK(output,
	850	"/dev/cdrom0"))) {
	851	if (!
	852	(found_it =
	853	set_dev_to_this_if_rx_OK(output,
	854	"/dev/cdrom1"))) {
	855	if (!
	856	(found_it =
	857	set_dev_to_this_if_rx_OK(output,
	858	"/dev/sr1"))) {
	859	if (!
	860	(found_it =
	861	set_dev_to_this_if_rx_OK(output,
	862	"/dev/dvd")))
	863	{
	864	if (!
	865	(found_it =
	866	set_dev_to_this_if_rx_OK(output,
	867	g_cdrw_drive_is_here)))
	868	{
[900]	869	mr_free(cdr_exe);
[171]	870	return(NULL);
[59]	871	}
	872	}
	873	}
	874	}
	875	}
	876	}
	877	}
	878	}
	879	}
[1]	880	#endif
	881
[900]	882	mr_asprintf(&mountpoint, "/tmp/cd.%d", (int) (random() % 32767));
[146]	883	make_hole_for_dir(mountpoint);
	884
[59]	885	if (found_it && try_to_mount) {
[171]	886	if (! mount_CDROM_here(output, mountpoint)) {
[1086]	887	mr_msg(4, "[Cardigans] I've changed my mind");
[59]	888	found_it = FALSE;
[900]	889	mr_free(output);
[59]	890	} else {
[900]	891	mr_asprintf(&tmp, "%s/archives", mountpoint);
[59]	892	if (!does_file_exist(tmp)) {
[1086]	893	mr_msg(4, "[Cardigans] I'll take it back");
[59]	894	found_it = FALSE;
[900]	895	mr_free(output);
[59]	896	} else {
[900]	897	mr_asprintf(&command, "umount %s", output);
[59]	898	paranoid_system(command);
[900]	899	mr_free(command);
[1086]	900	mr_msg(4, "I'm confident the Mondo CD is in %s", output);
[59]	901	}
[900]	902	mr_free(tmp);
[59]	903	}
	904	}
	905	unlink(mountpoint);
[900]	906	mr_free(mountpoint);
[1]	907
[59]	908	if (found_it) {
	909	if (!does_file_exist(output)) {
[1086]	910	mr_msg(3, "I still haven't found it.");
[900]	911	mr_free(output);
[171]	912	return(NULL);
[59]	913	}
[1086]	914	mr_msg(3, "(find_cdrom_device) --> '%s'", output);
[900]	915	mr_asprintf(&the_last_place_i_found_it, output);
	916	mr_free(g_cdrom_drive_is_here);
	917	mr_asprintf(&g_cdrom_drive_is_here, output);
[171]	918	return(output);
[59]	919	}
[1]	920
[900]	921	mr_asprintf(&command,
[59]	922	"%s -scanbus \| grep \"[0-9],[0-9],[0-9]\" \| grep \"[D\|C][V\|D]\" \| grep -n \"\" \| grep \"%s\" \| cut -d':' -f2",
	923	cdr_exe, g_cdrw_drive_is_here);
[900]	924	mr_free(cdr_exe);
[171]	925
[1086]	926	mr_msg(1, "command=%s", command);
[900]	927	mr_asprintf(&tmp, call_program_and_get_last_line_of_output(command));
	928	mr_free(command);
[146]	929
[59]	930	if (tmp[0]) {
[171]	931	output = tmp;
[1086]	932	mr_msg(4, "Finally found it at %s", output);
[59]	933	} else {
[900]	934	mr_free(tmp);
	935	mr_free(output);
[1086]	936	mr_msg(4, "Still couldn't find it.");
[59]	937	}
[171]	938	return(output);
[1]	939	}
	940
	941
[171]	942	char *find_dvd_device()
[1]	943	{
[688]	944	char *tmp = NULL;
[59]	945	int retval = 0, devno = -1;
[171]	946	char *output = NULL;
[1]	947
[171]	948	if (g_dvd_drive_is_here != NULL) {
[900]	949	mr_asprintf(&output, g_dvd_drive_is_here);
[1086]	950	mr_msg(3, "Been there, done that. Returning %s", output);
[171]	951	return (output);
[59]	952	}
[1]	953
[900]	954	mr_asprintf(&tmp, call_program_and_get_last_line_of_output
[59]	955	("dvdrecord -scanbus 2> /dev/null \| grep \") '\" \| grep -n \"\" \| grep DVD \| cut -d':' -f1")
[1]	956	);
[1086]	957	mr_msg(5, "tmp = '%s'", tmp);
[146]	958	if (!tmp[0]) {
[900]	959	mr_free(tmp);
	960	mr_asprintf(&tmp, call_program_and_get_last_line_of_output
[59]	961	("cdrecord -scanbus 2> /dev/null \| grep \") '\" \| grep -n \"\" \| grep DVD \| cut -d':' -f1")
	962	);
[146]	963	}
[59]	964	if (tmp[0]) {
	965	devno = atoi(tmp) - 1;
	966	}
[900]	967	mr_free(tmp);
[146]	968
[59]	969	if (devno >= 0) {
	970	retval = 0;
[900]	971	mr_asprintf(&output, "/dev/scd%d", devno);
	972	mr_free(g_dvd_drive_is_here);
	973	mr_asprintf(&g_dvd_drive_is_here, output);
[1086]	974	mr_msg(2, "I think DVD is at %s", output);
[59]	975	} else {
[1086]	976	mr_msg(2, "I cannot find DVD");
[59]	977	}
[1]	978
[171]	979	return(output);
[1]	980	}
	981
	982
	983	/**
	984	* Find the size of the specified @p drive, in megabytes. Uses @c ioctl calls
	985	* and @c dmesg.
	986	* @param drive The device to find the size of.
	987	* @return size in megabytes.
	988	*/
[59]	989	long get_phys_size_of_drive(char *drive)
[1]	990	{
[59]	991	int fd;
[1]	992	#if linux
[59]	993	unsigned long long s = 0;
	994	int fileid, cylinders = 0, cylindersleft = 0;
	995	int cylindersize = 0;
[1]	996	int gotgeo = 0;
	997
[59]	998
	999	struct hd_geometry hdgeo;
[1]	1000	#elif __FreeBSD__
[59]	1001	off_t s;
[1]	1002	#endif
	1003
[59]	1004	long outvalA = -1;
	1005	long outvalB = -1;
	1006	long outvalC = -1;
[1]	1007
[59]	1008	if ((fd = open(drive, O_RDONLY)) != -1) {
	1009	if (ioctl(fd,
[1]	1010	#if linux
[59]	1011	#ifdef BLKGETSIZE64
	1012	BLKGETSIZE64,
	1013	#else
	1014	BLKGETSIZE,
	1015	#endif
[1]	1016	#elif __FreeBSD__
[59]	1017	DIOCGMEDIASIZE,
[1]	1018	#endif
[59]	1019	&s) != -1) {
	1020	close(fd);
	1021	// s>>11 works for older disks but not for newer ones
	1022	outvalB =
[1]	1023	#if linux
[59]	1024	#ifdef BLKGETSIZE64
	1025	s >> 20
[1]	1026	#else
[59]	1027	s >> 11
[1]	1028	#endif
[59]	1029	#else
	1030	s >> 20
	1031	#endif
	1032	;
	1033	}
[1]	1034	}
	1035
[59]	1036	if (outvalB <= 0) {
[1086]	1037	mr_msg(1, "Error getting size of %s: %s", drive, strerror(errno));
[1]	1038	#if linux
[59]	1039	fileid = open(drive, O_RDONLY);
[1]	1040	if (fileid) {
[59]	1041	if (ioctl(fileid, HDIO_GETGEO, &hdgeo) != -1) {
[1]	1042	if (hdgeo.cylinders && hdgeo.heads && hdgeo.sectors) {
	1043	cylindersleft = cylinders = hdgeo.cylinders;
	1044	cylindersize = hdgeo.heads * hdgeo.sectors / 2;
	1045	outvalA = cylindersize * cylinders / 1024;
[1086]	1046	mr_msg(2, "Got Harddisk geometry, C:%d, H:%d, S:%d",
[59]	1047	hdgeo.cylinders, hdgeo.heads, hdgeo.sectors);
[1]	1048	gotgeo = 1;
	1049	} else {
[1086]	1050	mr_msg(1, "Harddisk geometry wrong");
[1]	1051	}
	1052	} else {
[1086]	1053	mr_msg(1,
[59]	1054	"Error in ioctl() getting new hard disk geometry (%s), resizing in unsafe mode",
	1055	strerror(errno));
[1]	1056	}
	1057	close(fileid);
	1058	} else {
[1086]	1059	mr_msg(1, "Failed to open %s for reading: %s", drive,
[59]	1060	strerror(errno));
[1]	1061	}
	1062	if (!gotgeo) {
[1086]	1063	mr_msg(1, "Failed to get harddisk geometry, using old mode");
[1]	1064	}
	1065	#endif
[162]	1066	}
[1]	1067	// OLDER DISKS will give ridiculously low value for outvalB (so outvalA is returned) :)
	1068	// NEWER DISKS will give sane value for outvalB (close to outvalA, in other words) :)
	1069
[59]	1070	outvalC = (outvalA > outvalB) ? outvalA : outvalB;
	1071
[1086]	1072	// mr_msg (5, "drive = %s, error = %s", drive, strerror (errno));
[1]	1073	// fatal_error ("GPSOD: Unable to get size of drive");
[1086]	1074	mr_msg(1, "%s --> %ld or %ld --> %ld", drive, outvalA, outvalB,
[59]	1075	outvalC);
	1076
	1077	return (outvalC);
[1]	1078	}
[59]	1079
[1]	1080
	1081	/**
	1082	* Determine whether @p format is supported by the kernel. Uses /proc/filesystems
	1083	* under Linux and @c lsvfs under FreeBSD.
	1084	* @param format The format to test.
	1085	* @return TRUE if the format is supported, FALSE if not.
	1086	*/
[59]	1087	bool is_this_a_valid_disk_format(char *format)
[1]	1088	{
[688]	1089	char *good_formats = NULL;
	1090	char *command = NULL;
	1091	char *tmp = NULL;
	1092	char *format_sz = NULL;
[1]	1093
[688]	1094	FILE *pin = NULL;
[146]	1095	bool retval;
[688]	1096	size_t n = 0;
[59]	1097	assert_string_is_neither_NULL_nor_zerolength(format);
[1]	1098
[900]	1099	mr_asprintf(&format_sz, "%s ", format);
[1]	1100
	1101	#ifdef __FreeBSD__
[900]	1102	mr_asprintf(&command,
[59]	1103	"lsvfs \| tr -s '\t' ' ' \| grep -v Filesys \| grep -v -- -- \| cut -d' ' -f1 \| tr -s '\n' ' '");
[1]	1104	#else
[900]	1105	mr_asprintf(&command,
[274]	1106	"grep -v nodev /proc/filesystems \| tr -s '\t' ' ' \| cut -d' ' -f2 \| tr -s '\n' ' '");
[1]	1107	#endif
	1108
[59]	1109	pin = popen(command, "r");
[900]	1110	mr_free(command);
[146]	1111
[59]	1112	if (!pin) {
	1113	log_OS_error("Unable to read good formats");
[146]	1114	retval = FALSE;
[59]	1115	} else {
[900]	1116	mr_getline(&good_formats, &n , pin);
[59]	1117	if (pclose(pin)) {
	1118	log_OS_error("Cannot pclose good formats");
	1119	}
	1120	strip_spaces(good_formats);
[688]	1121	// " ntfs 7 " -- um, cheating much? :)
[900]	1122	mr_asprintf(&tmp, " %s swap lvm raid ntfs 7 ",good_formats);
	1123	mr_free(good_formats);
[688]	1124	good_formats = tmp;
	1125
[59]	1126	if (strstr(good_formats, format_sz)) {
[146]	1127	retval = TRUE;
[59]	1128	} else {
[146]	1129	retval = FALSE;
[59]	1130	}
[900]	1131	mr_free(good_formats);
[59]	1132	}
[900]	1133	mr_free(format_sz);
[59]	1134	return (retval);
[1]	1135	}
	1136
	1137
	1138	/** @def SWAPLIST_COMMAND The command to list the swap files/partitions in use. */
	1139
	1140	/**
	1141	* Determine whether @p device_raw is currently mounted.
	1142	* @param device_raw The device to check.
	1143	* @return TRUE if it's mounted, FALSE if not.
	1144	*/
[59]	1145	bool is_this_device_mounted(char *device_raw)
[1]	1146	{
	1147
[59]	1148	/@ pointers *************************************************** */
	1149	FILE *fin;
[1]	1150
[59]	1151	/@ buffers **************************************************** */
[146]	1152	char *incoming = NULL;
[1161]	1153	char *device_with_tab = NULL;
	1154	char *device_with_space = NULL;
	1155	char *tmp = NULL;
[171]	1156	size_t n = 0;
[59]	1157
[1]	1158	#ifdef __FreeBSD__
[59]	1159	#define SWAPLIST_COMMAND "swapinfo"
[1]	1160	#else
[59]	1161	#define SWAPLIST_COMMAND "cat /proc/swaps"
[1]	1162	#endif
	1163
[59]	1164	/@ end vars *************************************************** */
[1]	1165
[59]	1166	assert(device_raw != NULL);
[1]	1167	// assert_string_is_neither_NULL_nor_zerolength(device_raw);
[59]	1168	if (device_raw[0] != '/' && !strstr(device_raw, ":/")) {
[1086]	1169	mr_msg(1, "%s needs to have a '/' prefixed - I'll do it",
[59]	1170	device_raw);
[900]	1171	mr_asprintf(&tmp, "/%s", device_raw);
[59]	1172	} else {
[900]	1173	mr_asprintf(&tmp, device_raw);
[59]	1174	}
[1086]	1175	mr_msg(1, "Is %s mounted?", tmp);
[59]	1176	if (!strcmp(tmp, "/proc") \|\| !strcmp(tmp, "proc")) {
[1086]	1177	mr_msg(1,
[59]	1178	"I don't know how the heck /proc made it into the mountlist. I'll ignore it.");
[146]	1179	return (FALSE);
[59]	1180	}
[900]	1181	mr_asprintf(&device_with_tab, "%s\t", tmp);
	1182	mr_asprintf(&device_with_space, "%s ", tmp);
	1183	mr_free(tmp);
[1]	1184
[59]	1185	if (!(fin = popen("mount", "r"))) {
	1186	log_OS_error("Cannot popen 'mount'");
	1187	return (FALSE);
[1]	1188	}
[900]	1189	for (mr_getline(&incoming, &n, fin); !feof(fin);
	1190	mr_getline(&incoming, &n, fin)) {
[59]	1191	if (strstr(incoming, device_with_space) //> incoming
	1192	\|\| strstr(incoming, device_with_tab)) // > incoming)
	1193	{
	1194	paranoid_pclose(fin);
[1161]	1195	mr_free(incoming);
[146]	1196	return(TRUE);
[59]	1197	}
	1198	}
[900]	1199	mr_free(incoming);
	1200	mr_free(device_with_tab);
[59]	1201	paranoid_pclose(fin);
[146]	1202
[914]	1203	mr_asprintf(&tmp, "%s \| grep -E \"^%s\" > /dev/null 2> /dev/null",
[59]	1204	SWAPLIST_COMMAND, device_with_space);
[900]	1205	mr_free(device_with_space);
[146]	1206
[1086]	1207	mr_msg(4, "tmp (command) = '%s'", tmp);
[59]	1208	if (!system(tmp)) {
[900]	1209	mr_free(tmp);
[146]	1210	return(TRUE);
[59]	1211	}
[900]	1212	mr_free(tmp);
[146]	1213	return (FALSE);
[1]	1214	}
	1215
[146]	1216
[1]	1217	#ifdef __FreeBSD__
	1218	// CODE IS FREEBSD-SPECIFIC
	1219	/**
	1220	* Create a loopback device for specified @p fname.
	1221	* @param fname The file to associate with a device.
[146]	1222	* @return /dev entry for the device (to be freed by the caller),
	1223	* or NULL if it couldn't be allocated.
[1]	1224	*/
[59]	1225	char make_vn(char fname)
[1]	1226	{
[688]	1227	char *device = NULL;
[146]	1228	char *mddevice = NULL;
	1229	char *command = NULL;
[59]	1230	int vndev = 2;
[146]	1231
[59]	1232	if (atoi
	1233	(call_program_and_get_last_line_of_output
	1234	("/sbin/sysctl -n kern.osreldate")) < 500000) {
	1235	do {
[900]	1236	mr_free(mddevice);
	1237	mr_asprintf(&mddevice, "vn%ic", vndev++);
	1238	mr_free(command);
	1239	mr_asprintf(&command, "vnconfig %s %s", mddevice, fname);
[146]	1240
[59]	1241	if (vndev > 10) {
[900]	1242	mr_free(command);
	1243	mr_free(mddevice);
[59]	1244	return NULL;
	1245	}
	1246	}
	1247	while (system(command));
[900]	1248	mr_free(command);
[59]	1249	} else {
[900]	1250	mr_asprintf(&command, "mdconfig -a -t vnode -f %s", fname);
	1251	mr_asprintf(&mddevice, call_program_and_get_last_line_of_output(command));
	1252	mr_free(command);
[146]	1253
[59]	1254	if (!strstr(mddevice, "md")) {
[900]	1255	mr_free(mddevice);
[59]	1256	return NULL;
	1257	}
	1258	}
[900]	1259	mr_asprintf(&device, "/dev/%s", mddevice);
	1260	mr_free(mddevice);
[146]	1261	return(device);
[1]	1262	}
	1263
	1264
	1265	// CODE IS FREEBSD-SPECIFIC
	1266	/**
	1267	* Deallocate specified @p dname.
	1268	* This should be called when you are done with the device created by make_vn(),
	1269	* so the system does not run out of @c vn devices.
	1270	* @param dname The device to deallocate.
	1271	* @return 0 for success, nonzero for failure.
	1272	*/
[59]	1273	int kick_vn(char *dname)
[1]	1274	{
[146]	1275	char *command;
	1276	int ret = 0;
[1]	1277
[59]	1278	if (strncmp(dname, "/dev/", 5) == 0) {
	1279	dname += 5;
	1280	}
[1]	1281
[59]	1282	if (atoi
	1283	(call_program_and_get_last_line_of_output
	1284	("/sbin/sysctl -n kern.osreldate")) < 500000) {
[900]	1285	mr_asprintf(&command, "vnconfig -d %s", dname);
[59]	1286	} else {
[900]	1287	mr_asprintf(&command, "mdconfig -d -u %s", dname);
[59]	1288	}
[1161]	1289	ret = system(command);
	1290	mr_free(command);
	1291	return(ret);
[1]	1292	}
	1293	#endif
	1294
	1295
	1296	/**
	1297	* Ask the user for CD number @p cd_number_i_want.
	1298	* Sets g_current_media_number once the correct CD is inserted.
	1299	* @param bkpinfo The backup information structure. Fields used:
	1300	* - @c bkpinfo->backup_media_type
[20]	1301	* - @c bkpinfo->prefix
[1]	1302	* - @c bkpinfo->isodir
	1303	* - @c bkpinfo->media_device
	1304	* - @c bkpinfo->please_dont_eject_when_restoring
	1305	* @param cd_number_i_want The CD number to ask for.
	1306	*/
	1307	void
[59]	1308	insist_on_this_cd_number(struct s_bkpinfo *bkpinfo, int cd_number_i_want)
[1]	1309	{
	1310
[59]	1311	/@ int ************************************************************ */
	1312	int res = 0;
[1]	1313
	1314
[59]	1315	/@ buffers ******************************************************** */
[1161]	1316	char *tmp = NULL;
	1317	char *request = NULL;
[1]	1318
[59]	1319	assert(bkpinfo != NULL);
	1320	assert(cd_number_i_want > 0);
[1]	1321
[1086]	1322	// mr_msg(3, "Insisting on CD number %d", cd_number_i_want);
[1]	1323
[59]	1324	if (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type)) {
[1086]	1325	mr_msg(3,
[59]	1326	"No need to insist_on_this_cd_number when the backup type isn't CD-R(W) or NFS or ISO");
	1327	return;
	1328	}
[900]	1329	mr_asprintf(&tmp, "mkdir -p " MNT_CDROM);
[59]	1330	run_program_and_log_output(tmp, 5);
[900]	1331	mr_free(tmp);
[146]	1332
[59]	1333	if (g_ISO_restore_mode \|\| bkpinfo->backup_media_type == iso
	1334	\|\| bkpinfo->backup_media_type == nfs) {
[1086]	1335	mr_msg(3, "Remounting CD");
[59]	1336	g_ISO_restore_mode = TRUE;
[1]	1337	// FIXME --- I'm tempted to do something about this...
	1338	// Why unmount and remount again and again?
[59]	1339	if (is_this_device_mounted(MNT_CDROM)) {
	1340	run_program_and_log_output("umount " MNT_CDROM, 5);
	1341	}
	1342	system("mkdir -p /tmp/isodir &> /dev/null");
[900]	1343	mr_asprintf(&tmp, "%s/%s/%s-%d.iso", bkpinfo->isodir,
[59]	1344	bkpinfo->nfs_remote_dir, bkpinfo->prefix,
	1345	cd_number_i_want);
	1346	if (!does_file_exist(tmp)) {
[900]	1347	mr_free(tmp);
	1348	mr_asprintf(&tmp, "/tmp/isodir/%s/%s-%d.iso",
[59]	1349	bkpinfo->nfs_remote_dir, bkpinfo->prefix,
	1350	cd_number_i_want);
	1351	if (does_file_exist(tmp)) {
[1086]	1352	mr_msg(1,
[59]	1353	"FIXME - hacking bkpinfo->isodir from '%s' to /tmp/isodir",
	1354	bkpinfo->isodir);
[900]	1355	mr_allocstr(bkpinfo->isodir, "/tmp/isodir");
[59]	1356	}
	1357	}
[1086]	1358	mr_msg(3, "Mounting %s at %s", tmp, MNT_CDROM);
[171]	1359	if (! mount_CDROM_here(tmp, MNT_CDROM)) {
[59]	1360	fatal_error("Mommy!");
	1361	}
[900]	1362	mr_free(tmp);
[1]	1363	}
[59]	1364	if ((res = what_number_cd_is_this(bkpinfo)) != cd_number_i_want) {
[1086]	1365	mr_msg(3, "Currently, we hold %d but we want %d", res,
[59]	1366	cd_number_i_want);
[900]	1367	mr_asprintf(&tmp, "Insisting on %s #%d",
[783]	1368	bkpinfo->backup_media_string,
[59]	1369	cd_number_i_want);
[900]	1370	mr_asprintf(&request, "Please insert %s #%d and press Enter.",
[783]	1371	bkpinfo->backup_media_string,
[59]	1372	cd_number_i_want);
[1086]	1373	mr_msg(3, tmp);
[900]	1374	mr_free(tmp);
[146]	1375
[59]	1376	while (what_number_cd_is_this(bkpinfo) != cd_number_i_want) {
[688]	1377	sync();
[59]	1378	if (is_this_device_mounted(MNT_CDROM)) {
	1379	res =
	1380	run_program_and_log_output("umount " MNT_CDROM, FALSE);
	1381	} else {
	1382	res = 0;
	1383	}
	1384	if (res) {
[507]	1385	log_to_screen(_("WARNING - failed to unmount CD-ROM drive"));
[59]	1386	}
	1387	if (!bkpinfo->please_dont_eject) {
	1388	res = eject_device(bkpinfo->media_device);
	1389	} else {
	1390	res = 0;
	1391	}
	1392	if (res) {
[507]	1393	log_to_screen(_("WARNING - failed to eject CD-ROM disk"));
[59]	1394	}
	1395	popup_and_OK(request);
	1396	if (!bkpinfo->please_dont_eject) {
	1397	inject_device(bkpinfo->media_device);
	1398	}
[688]	1399	sync();
[59]	1400	}
[900]	1401	mr_free(request);
[146]	1402
[1086]	1403	mr_msg(1, "Thankyou. Proceeding...");
[59]	1404	g_current_media_number = cd_number_i_want;
	1405	}
[1]	1406	}
	1407	/* @} - end of deviceGroup */
	1408
	1409
	1410	/**
	1411	* Ask user for details of backup/restore information.
	1412	* Called when @c mondoarchive doesn't get any parameters.
	1413	* @param bkpinfo The backup information structure to fill out with the user's data.
	1414	* @param archiving_to_media TRUE if archiving, FALSE if restoring.
	1415	* @return 0, always.
	1416	* @bug No point of `int' return value.
	1417	* @ingroup archiveGroup
	1418	*/
[59]	1419	int interactively_obtain_media_parameters_from_user(struct s_bkpinfo
	1420	*bkpinfo,
	1421	bool
	1422	archiving_to_media)
[1]	1423	// archiving_to_media is TRUE if I'm being called by mondoarchive
	1424	// archiving_to_media is FALSE if I'm being called by mondorestore
	1425	{
[688]	1426	char *tmp = NULL;
	1427	char *tmp1 = NULL;
	1428	char *tmp2 = NULL;
[146]	1429	char *sz_size = NULL;
[688]	1430	char *command = NULL;
	1431	char *comment = NULL;
[146]	1432	char *prompt = NULL;
[688]	1433	int i = 0;
	1434	FILE *fin = NULL;
[1]	1435
[59]	1436	assert(bkpinfo != NULL);
	1437	bkpinfo->nonbootable_backup = FALSE;
[1]	1438
	1439	// Tape, CD, NFS, ...?
[59]	1440	srandom(getpid());
	1441	bkpinfo->backup_media_type =
	1442	(g_restoring_live_from_cd) ? cdr :
	1443	which_backup_media_type(bkpinfo->restore_data);
	1444	if (bkpinfo->backup_media_type == none) {
[507]	1445	log_to_screen(_("User has chosen not to backup the PC"));
[59]	1446	finish(1);
	1447	}
	1448	if (bkpinfo->backup_media_type == tape && bkpinfo->restore_data) {
[507]	1449	popup_and_OK(_("Please remove CD/floppy from drive(s)"));
[59]	1450	}
[783]	1451	bkpinfo->backup_media_string = bkptype_to_string(bkpinfo->backup_media_type);
[1086]	1452	mr_msg(3, "media type = %s",bkpinfo->backup_media_string);
[783]	1453
[59]	1454	if (archiving_to_media) {
	1455	sensibly_set_tmpdir_and_scratchdir(bkpinfo);
	1456	}
	1457	bkpinfo->cdrw_speed = (bkpinfo->backup_media_type == cdstream) ? 2 : 4;
	1458	bkpinfo->compression_level =
	1459	(bkpinfo->backup_media_type == cdstream) ? 1 : 5;
	1460	bkpinfo->use_lzo =
	1461	(bkpinfo->backup_media_type == cdstream) ? TRUE : FALSE;
	1462	mvaddstr_and_log_it(2, 0, " ");
[1]	1463
	1464	// Find device's /dev (or SCSI) entry
[59]	1465	switch (bkpinfo->backup_media_type) {
	1466	case cdr:
	1467	case cdrw:
	1468	case dvd:
[1079]	1469	case usb:
[59]	1470	if (archiving_to_media) {
[1079]	1471	if ((bkpinfo->backup_media_type != dvd) && (bkpinfo->backup_media_type != usb)) {
[687]	1472	if (ask_me_yes_or_no
	1473	(_("Is your computer a laptop, or does the CD writer incorporate BurnProof technology?")))
	1474	{
	1475	bkpinfo->manual_cd_tray = TRUE;
	1476	}
[59]	1477	}
	1478	if ((bkpinfo->compression_level =
	1479	which_compression_level()) == -1) {
[507]	1480	log_to_screen(_("User has chosen not to backup the PC"));
[59]	1481	finish(1);
	1482	}
[900]	1483	mr_asprintf(&comment, _("What speed is your %s (re)writer?"),
[783]	1484	bkpinfo->backup_media_string);
[59]	1485	if (bkpinfo->backup_media_type == dvd) {
[900]	1486	mr_free(bkpinfo->media_device);
[171]	1487	bkpinfo->media_device = find_dvd_device();
[900]	1488	mr_asprintf(&tmp, "1");
	1489	mr_asprintf(&sz_size, "%d", DEFAULT_DVD_DISK_SIZE); // 4.7 salesman's GB = 4.482 real GB = 4582 MB
[1086]	1490	mr_msg(1, "Setting to DVD defaults");
[1079]	1491	} else if (bkpinfo->backup_media_type == usb) {
	1492	strcpy(bkpinfo->media_device, VANILLA_USB_DEVICE);
	1493	strcpy(sz_size, "512");
[59]	1494	} else {
[900]	1495	mr_allocstr(bkpinfo->media_device,VANILLA_SCSI_CDROM );
	1496	mr_asprintf(&tmp, "4");
	1497	mr_asprintf(&sz_size, "650");
[1086]	1498	mr_msg(1, "Setting to CD defaults");
[59]	1499	}
[1079]	1500	if ((bkpinfo->backup_media_type != dvd) && (bkpinfo->backup_media_type != usb)) {
[688]	1501	if (!popup_and_get_string(_("Speed"), comment, tmp)) {
[507]	1502	log_to_screen(_("User has chosen not to backup the PC"));
[59]	1503	finish(1);
	1504	}
	1505	}
[900]	1506	mr_free(comment);
[146]	1507
[59]	1508	bkpinfo->cdrw_speed = atoi(tmp); // if DVD then this shouldn't ever be used anyway :)
[900]	1509	mr_free(tmp);
[146]	1510
[900]	1511	mr_asprintf(&comment,
[507]	1512	_("How much data (in Megabytes) will each %s store?"),
[783]	1513	bkpinfo->backup_media_string);
[146]	1514
[688]	1515	if (!popup_and_get_string("Size", comment, sz_size)) {
[507]	1516	log_to_screen(_("User has chosen not to backup the PC"));
[59]	1517	finish(1);
	1518	}
[900]	1519	mr_free(comment);
[146]	1520
[59]	1521	for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
	1522	bkpinfo->media_size[i] = atoi(sz_size);
	1523	}
[900]	1524	mr_free(sz_size);
[688]	1525
[59]	1526	if (bkpinfo->media_size[0] <= 0) {
[507]	1527	log_to_screen(_("User has chosen not to backup the PC"));
[59]	1528	finish(1);
	1529	}
	1530	}
	1531	case cdstream:
	1532	if (bkpinfo->disaster_recovery) {
[900]	1533	mr_allocstr(bkpinfo->media_device, "/dev/cdrom");
[1086]	1534	mr_msg(2, "CD-ROM device assumed to be at %s",
[59]	1535	bkpinfo->media_device);
	1536	} else if (bkpinfo->restore_data
	1537	\|\| bkpinfo->backup_media_type == dvd) {
[171]	1538	if (bkpinfo->media_device == NULL) {
[900]	1539	mr_asprintf(&bkpinfo->media_device, "/dev/cdrom");
[59]	1540	} // just for the heck of it :)
[1086]	1541	mr_msg(1, "bkpinfo->media_device = %s",
[59]	1542	bkpinfo->media_device);
[783]	1543	tmp = find_cdrom_device(FALSE);
[171]	1544	if ((bkpinfo->backup_media_type == dvd)
[783]	1545	\|\| (tmp != NULL)) {
[900]	1546	mr_allocstr(bkpinfo->media_device, tmp);
[1086]	1547	mr_msg(1, "bkpinfo->media_device = %s",
[59]	1548	bkpinfo->media_device);
[900]	1549	mr_asprintf(&comment,
[507]	1550	_("Please specify your %s drive's /dev entry"),
[783]	1551	bkpinfo->backup_media_string);
[59]	1552	if (!popup_and_get_string
[688]	1553	(_("Device?"), comment, bkpinfo->media_device)) {
[507]	1554	log_to_screen(_("User has chosen not to backup the PC"));
[59]	1555	finish(1);
	1556	}
[900]	1557	mr_free(comment);
[59]	1558	}
[900]	1559	mr_free(tmp);
[783]	1560
[1086]	1561	mr_msg(2, "%s device found at %s",
[783]	1562	bkpinfo->backup_media_string,
[59]	1563	bkpinfo->media_device);
	1564	} else {
[171]	1565	bkpinfo->media_device = find_cdrw_device();
	1566	if (bkpinfo->media_device != NULL) {
[900]	1567	mr_asprintf(&tmp,
[903]	1568	_("I think I've found your %s burner at SCSI node %s; Is this correct ? (say no if you have an IDE burner and you are running a 2.6 kernel. You will then be prompted for further details."),
[783]	1569	bkpinfo->backup_media_string,
[59]	1570	bkpinfo->media_device);
	1571	if (!ask_me_yes_or_no(tmp)) {
[900]	1572	mr_free(bkpinfo->media_device);
[59]	1573	}
[900]	1574	mr_free(tmp);
[171]	1575	} else {
[59]	1576	if (g_kernel_version < 2.6) {
[507]	1577	i = popup_and_get_string(_("Device node?"),
	1578	_("What is the SCSI node of your CD (re)writer, please?"),
[688]	1579	bkpinfo->media_device);
[59]	1580	} else {
[507]	1581	i = popup_and_get_string(_("/dev entry?"),
	1582	_("What is the /dev entry of your CD (re)writer, please?"),
[688]	1583	bkpinfo->media_device);
[59]	1584	}
	1585	if (!i) {
[507]	1586	log_to_screen(_("User has chosen not to backup the PC"));
[59]	1587	finish(1);
	1588	}
	1589	}
	1590	}
	1591	if (bkpinfo->backup_media_type == cdstream) {
	1592	for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
	1593	bkpinfo->media_size[i] = 650;
	1594	}
	1595	}
	1596	break;
	1597	case udev:
	1598	if (!ask_me_yes_or_no
[507]	1599	(_("This option is for advanced users only. Are you sure?"))) {
	1600	log_to_screen(_("User has chosen not to backup the PC"));
[59]	1601	finish(1);
	1602	}
	1603	case tape:
[1]	1604
[900]	1605	mr_free(bkpinfo->media_device);
[59]	1606	if (find_tape_device_and_size(bkpinfo->media_device, sz_size)) {
[1086]	1607	mr_msg(3, _("Ok, using vanilla scsi tape."));
[900]	1608	mr_allocstr(bkpinfo->media_device,VANILLA_SCSI_TAPE"0" );
[59]	1609	if ((fin = fopen(bkpinfo->media_device, "r"))) {
	1610	paranoid_fclose(fin);
	1611	} else {
[900]	1612	mr_allocstr(bkpinfo->media_device,"/dev/osst0");
[59]	1613	}
	1614	}
[171]	1615	if (bkpinfo->media_device != NULL) {
[59]	1616	if ((fin = fopen(bkpinfo->media_device, "r"))) {
	1617	paranoid_fclose(fin);
	1618	} else {
	1619	if (does_file_exist("/tmp/mondo-restore.cfg")) {
[900]	1620	mr_free(bkpinfo->media_device);
[59]	1621	read_cfg_var("/tmp/mondo-restore.cfg", "media-dev",
	1622	bkpinfo->media_device);
	1623	}
	1624	}
[900]	1625	mr_asprintf(&tmp,
[507]	1626	_("I think I've found your tape streamer at %s; am I right on the money?"),
[59]	1627	bkpinfo->media_device);
	1628	if (!ask_me_yes_or_no(tmp)) {
[900]	1629	mr_free(bkpinfo->media_device);
[59]	1630	}
[900]	1631	mr_free(tmp);
[783]	1632	} else {
[59]	1633	if (!popup_and_get_string
[507]	1634	(_("Device name?"),
	1635	_("What is the /dev entry of your tape streamer?"),
[688]	1636	bkpinfo->media_device)) {
[507]	1637	log_to_screen(_("User has chosen not to backup the PC"));
[59]	1638	finish(1);
	1639	}
	1640	}
[900]	1641	mr_asprintf(&tmp, "ls -l %s", bkpinfo->media_device);
[59]	1642	if (run_program_and_log_output(tmp, FALSE)) {
[507]	1643	log_to_screen(_("User has not specified a valid /dev entry"));
[59]	1644	finish(1);
	1645	}
[900]	1646	mr_free(tmp);
[1086]	1647	mr_msg(4, "sz_size = %s", sz_size);
[900]	1648	mr_free(sz_size);
[146]	1649	bkpinfo->media_size[0] = 0;
[1086]	1650	mr_msg(4, "media_size[0] = %ld", bkpinfo->media_size[0]);
[59]	1651	if (bkpinfo->media_size[0] <= 0) {
	1652	bkpinfo->media_size[0] = 0;
	1653	}
	1654	for (i = 1; i <= MAX_NOOF_MEDIA; i++) {
	1655	bkpinfo->media_size[i] = bkpinfo->media_size[0];
	1656	}
	1657	if (archiving_to_media) {
	1658	if ((bkpinfo->compression_level =
	1659	which_compression_level()) == -1) {
[507]	1660	log_to_screen(_("User has chosen not to backup the PC"));
[59]	1661	finish(1);
	1662	}
	1663	}
	1664	break;
[1]	1665
	1666
	1667
[59]	1668	case nfs:
[783]	1669	if (bkpinfo->nfs_mount == NULL) {
	1670	bkpinfo->nfs_mount = call_program_and_get_last_line_of_output
	1671	("mount \| grep \":\" \| cut -d' ' -f1 \| head -n1");
[59]	1672	}
[1]	1673	#ifdef __FreeBSD__
[59]	1674	if (TRUE)
[1]	1675	#else
[59]	1676	if (!bkpinfo->disaster_recovery)
[1]	1677	#endif
[59]	1678	{
	1679	if (!popup_and_get_string
[507]	1680	(_("NFS dir."),
	1681	_("Please enter path and directory where archives are stored remotely. (Mondo has taken a guess at the correct value. If it is incorrect, delete it and type the correct one.)"),
[688]	1682	bkpinfo->nfs_mount)) {
[507]	1683	log_to_screen(_("User has chosen not to backup the PC"));
[59]	1684	finish(1);
	1685	}
	1686	if (!bkpinfo->restore_data) {
	1687	if ((bkpinfo->compression_level =
	1688	which_compression_level()) == -1) {
[507]	1689	log_to_screen(_("User has chosen not to backup the PC"));
[59]	1690	finish(1);
	1691	}
	1692	}
[75]	1693	// check whether already mounted - we better remove
[89]	1694	// surrounding spaces and trailing '/' for this
[783]	1695	/* BERLIOS: Useless
[89]	1696	strip_spaces(bkpinfo->nfs_mount);
[783]	1697	*/
[75]	1698	if (bkpinfo->nfs_mount[strlen(bkpinfo->nfs_mount) - 1] == '/')
[89]	1699	bkpinfo->nfs_mount[strlen(bkpinfo->nfs_mount) - 1] = '\0';
[900]	1700	mr_asprintf(&command, "mount \| grep \"%s \" \| cut -d' ' -f3",
[89]	1701	bkpinfo->nfs_mount);
[900]	1702	mr_free(bkpinfo->isodir);
[783]	1703	bkpinfo->isodir = call_program_and_get_last_line_of_output(command);
[900]	1704	mr_free(command);
[262]	1705
[900]	1706	mr_asprintf(&comment,
[507]	1707	_("How much data (in Megabytes) will each media store?"));
[1161]	1708	if (!popup_and_get_string(_("Size"), comment, sz_size, 5)) {
[507]	1709	log_to_screen(_("User has chosen not to backup the PC"));
[262]	1710	finish(1);
	1711	}
[1161]	1712	mr_free(comment);
[262]	1713	for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
	1714	bkpinfo->media_size[i] = atoi(sz_size);
	1715	}
	1716	if (bkpinfo->media_size[0] <= 0) {
[507]	1717	log_to_screen(_("User has chosen not to backup the PC"));
[262]	1718	finish(1);
	1719	}
[59]	1720	}
	1721	if (bkpinfo->disaster_recovery) {
	1722	system("umount /tmp/isodir 2> /dev/null");
	1723	if (!popup_and_get_string
[507]	1724	(_("NFS share"), _("Which remote NFS share should I mount?"),
[688]	1725	bkpinfo->nfs_mount)) {
[507]	1726	log_to_screen(_("User has chosen not to backup the PC"));
[59]	1727	finish(1);
	1728	}
	1729	}
	1730	if (!is_this_device_mounted(bkpinfo->nfs_mount)) {
[900]	1731	mr_free(bkpinfo->isodir);
	1732	mr_asprintf(&bkpinfo->isodir, "/tmp/isodir.mondo.%d",
[89]	1733	(int) (random() % 32768));
[900]	1734	mr_asprintf(&command, "mkdir -p %s", bkpinfo->isodir);
[89]	1735	run_program_and_log_output(command, 5);
[900]	1736	mr_free(command);
[146]	1737
[900]	1738	mr_asprintf(&tmp, "mount -t nfs -o nolock %s %s", bkpinfo->nfs_mount,
[89]	1739	bkpinfo->isodir);
	1740	run_program_and_log_output(tmp, 5);
[900]	1741	mr_free(tmp);
	1742	mr_asprintf(&g_selfmounted_isodir, bkpinfo->isodir);
[59]	1743	}
	1744	if (!is_this_device_mounted(bkpinfo->nfs_mount)) {
	1745	popup_and_OK
[507]	1746	(_("Please mount that partition before you try to backup to or restore from it."));
[59]	1747	finish(1);
	1748	}
	1749	if (!popup_and_get_string
[688]	1750	(_("Directory"), _("Which directory within that mountpoint?"),bkpinfo->nfs_remote_dir)) {
[507]	1751	log_to_screen(_("User has chosen not to backup the PC"));
[59]	1752	finish(1);
	1753	}
[146]	1754
[900]	1755	mr_asprintf(&command, "echo hi > '%s/%s/.dummy.txt'", bkpinfo->isodir,
[89]	1756	bkpinfo->nfs_remote_dir);
	1757	while (run_program_and_log_output(command, FALSE)) {
[900]	1758	mr_asprintf(&prompt,
[507]	1759	_("Directory '%s' under mountpoint '%s' does not exist or is not writable. You can fix this or change the directory and retry or cancel the backup."),
[89]	1760	bkpinfo->nfs_remote_dir, bkpinfo->isodir);
	1761	if (!popup_and_get_string
[688]	1762	(_("Directory"), prompt, bkpinfo->nfs_remote_dir)) {
[507]	1763	log_to_screen(_("User has chosen not to backup the PC"));
[89]	1764	finish(1);
	1765	}
[900]	1766	mr_free(prompt);
[688]	1767
[900]	1768	mr_free(command);
[1161]	1769	mr_asprintf(&command, "echo hi > '%s/%s/.dummy.txt'", bkpinfo->isodir,
	1770	bkpinfo->nfs_remote_dir);
[75]	1771	}
[900]	1772	mr_free(command);
[146]	1773
[252]	1774	if (!popup_and_get_string
[507]	1775	(_("Prefix."),
	1776	_("Please enter the prefix that will be prepended to your ISO filename. Example: machine1 to obtain machine1-[1-9]*.iso files"),
[688]	1777	bkpinfo->prefix)) {
[507]	1778	log_to_screen(_("User has chosen not to backup the PC"));
[252]	1779	finish(1);
	1780	}
[1086]	1781	mr_msg(3, "prefix set to %s", bkpinfo->prefix);
[252]	1782
[59]	1783	for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
	1784	bkpinfo->media_size[i] = 650;
	1785	}
[1086]	1786	mr_msg(3, "Just set nfs_remote_dir to %s",
[59]	1787	bkpinfo->nfs_remote_dir);
[1086]	1788	mr_msg(3, "isodir is still %s", bkpinfo->isodir);
[59]	1789	break;
[1]	1790
[59]	1791	case iso:
	1792	if (!bkpinfo->disaster_recovery) {
	1793	if (!popup_and_get_string
[507]	1794	(_("Storage dir."),
	1795	_("Please enter the full path that contains your ISO images. Example: /mnt/raid0_0"),
[688]	1796	bkpinfo->isodir)) {
[507]	1797	log_to_screen(_("User has chosen not to backup the PC"));
[59]	1798	finish(1);
	1799	}
	1800	if (archiving_to_media) {
	1801	if ((bkpinfo->compression_level =
	1802	which_compression_level()) == -1) {
[507]	1803	log_to_screen(_("User has chosen not to backup the PC"));
[59]	1804	finish(1);
	1805	}
	1806	if (!popup_and_get_string
[507]	1807	(_("ISO size."),
[688]	1808	_("Please enter how big you want each ISO image to be (in megabytes). This should be less than or equal to the size of the CD-R[W]'s or DVD's you plan to backup to."), sz_size)) {
[507]	1809	log_to_screen(_("User has chosen not to backup the PC"));
[59]	1810	finish(1);
	1811	}
	1812	for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
	1813	bkpinfo->media_size[i] = atoi(sz_size);
	1814	}
	1815	} else {
	1816	for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
	1817	bkpinfo->media_size[i] = 650;
	1818	}
	1819	}
	1820	}
[808]	1821	if (!popup_and_get_string
[835]	1822	(_("Prefix."),
	1823	_("Please enter the prefix that will be prepended to your ISO filename. Example: machine1 to obtain machine1-[1-9]*.iso files"),
	1824	bkpinfo->prefix)) {
[808]	1825	log_to_screen("User has chosen not to backup the PC");
	1826	finish(1);
	1827	}
[1086]	1828	mr_msg(3, "prefix set to %s", bkpinfo->prefix);
[59]	1829	break;
	1830	default:
	1831	fatal_error
	1832	("I, Mojo Jojo, shall defeat those pesky Powerpuff Girls!");
	1833	}
	1834	if (archiving_to_media) {
[1]	1835
[783]	1836	if (bkpinfo->boot_device) {
[900]	1837	mr_free(bkpinfo->boot_device);
[783]	1838	}
[1]	1839	#ifdef __FreeBSD__
[688]	1840	bkpinfo->boot_device = call_program_and_get_last_line_of_output
[783]	1841	("mount \| grep ' / ' \| head -1 \| cut -d' ' -f1 \| sed 's/\\([0-9]\\).*/\\1/'");
[1]	1842	#else
[688]	1843	bkpinfo->boot_device = call_program_and_get_last_line_of_output
[783]	1844	("mount \| grep ' / ' \| head -1 \| cut -d' ' -f1 \| sed 's/[0-9].*//'");
[1]	1845	#endif
[59]	1846	i = which_boot_loader(bkpinfo->boot_device);
	1847	if (i == 'U') // unknown
	1848	{
[1]	1849
	1850	#ifdef __FreeBSD__
[59]	1851	if (!popup_and_get_string
[507]	1852	(_("Boot device"),
	1853	_("What is your boot device? (e.g. /dev/ad0)"),
[688]	1854	bkpinfo->boot_device)) {
[507]	1855	log_to_screen(_("User has chosen not to backup the PC"));
[59]	1856	finish(1);
	1857	}
	1858	i = which_boot_loader(bkpinfo->boot_device);
[1]	1859	#else
[59]	1860	if (!popup_and_get_string
[507]	1861	(_("Boot device"),
	1862	_("What is your boot device? (e.g. /dev/hda)"),
[688]	1863	bkpinfo->boot_device)) {
[507]	1864	log_to_screen(_("User has chosen not to backup the PC"));
[59]	1865	finish(1);
	1866	}
	1867	if (does_string_exist_in_boot_block
	1868	(bkpinfo->boot_device, "LILO")) {
	1869	i = 'L';
	1870	} else
	1871	if (does_string_exist_in_boot_block
	1872	(bkpinfo->boot_device, "ELILO")) {
	1873	i = 'E';
	1874	} else
	1875	if (does_string_exist_in_boot_block
	1876	(bkpinfo->boot_device, "GRUB")) {
	1877	i = 'G';
	1878	} else {
	1879	i = 'U';
	1880	}
[1]	1881	#endif
[59]	1882	if (i == 'U') {
	1883	if (ask_me_yes_or_no
[507]	1884	(_("Unidentified boot loader. Shall I restore it byte-for-byte at restore time and hope for the best?")))
[59]	1885	{
	1886	i = 'R'; // raw
	1887	} else {
	1888	log_to_screen
[507]	1889	(_("I cannot find your boot loader. Please run mondoarchive with parameters."));
[59]	1890	finish(1);
	1891	}
	1892	}
[1]	1893	}
[59]	1894	bkpinfo->boot_loader = i;
[900]	1895	mr_asprintf(&bkpinfo->include_paths, "/");
[59]	1896	if (!popup_and_get_string
[507]	1897	(_("Backup paths"),
	1898	_("Please enter paths which you want me to backup. The default is '/' (i.e. everything)."),
[688]	1899	bkpinfo->include_paths)) {
[507]	1900	log_to_screen(_("User has chosen not to backup the PC"));
[59]	1901	finish(1);
[1]	1902	}
[688]	1903
[146]	1904	tmp = list_of_NFS_mounts_only();
[59]	1905	if (strlen(tmp) > 2) {
[688]	1906	if (bkpinfo->exclude_paths != NULL) {
	1907	tmp1 = bkpinfo->exclude_paths;
[900]	1908	mr_asprintf(&bkpinfo->exclude_paths, "%s %s", tmp1, tmp);
	1909	mr_free(tmp1);
[688]	1910	} else {
	1911	bkpinfo->exclude_paths = tmp;
[59]	1912	}
	1913	}
[900]	1914	mr_free(tmp);
[1]	1915	// NTFS
[688]	1916	tmp = call_program_and_get_last_line_of_output
	1917	("parted2fdisk -l \| grep -i ntfs \| awk '{ print $1};' \| tr -s '\\n' ' ' \| awk '{ print $0};'");
[59]	1918	if (strlen(tmp) > 2) {
	1919	if (!popup_and_get_string
[507]	1920	(_("NTFS partitions"),
	1921	_("Please enter/confirm the NTFS partitions you wish to backup as well."),
[688]	1922	tmp1)) {
[507]	1923	log_to_screen(_("User has chosen not to backup the PC"));
[59]	1924	finish(1);
	1925	}
[688]	1926	if (bkpinfo->image_devs != NULL) {
	1927	tmp2 = bkpinfo->image_devs;
[900]	1928	mr_asprintf(&bkpinfo->image_devs, "%s %s", tmp2, tmp1);
	1929	mr_free(tmp2);
[688]	1930	} else {
	1931	bkpinfo->image_devs = tmp1;
	1932	}
[900]	1933	mr_free(tmp1);
[59]	1934	}
[900]	1935	mr_free(tmp);
[1]	1936
[59]	1937	if (!popup_and_get_string
[507]	1938	(_("Exclude paths"),
	1939	_("Please enter paths which you do NOT want to backup. Separate them with spaces. NB: /tmp and /proc are always excluded. :-) Just hit 'Enter' if you want to do a full system backup."),
[688]	1940	bkpinfo->exclude_paths)) {
[507]	1941	log_to_screen(_("User has chosen not to backup the PC"));
[59]	1942	finish(1);
	1943	}
	1944	bkpinfo->make_cd_use_lilo = FALSE;
	1945	bkpinfo->backup_data = TRUE;
	1946	bkpinfo->verify_data =
	1947	ask_me_yes_or_no
[507]	1948	(_("Will you want to verify your backups after Mondo has created them?"));
[1]	1949
	1950	#ifndef __FreeBSD__
[59]	1951	if (!ask_me_yes_or_no
[507]	1952	(_("Are you confident that your kernel is a sane, sensible, standard Linux kernel? Say 'no' if you are using a Gentoo <1.4 or Debian <3.0, please."))){
[900]	1953	mr_allocstr(bkpinfo->kernel_path, "FAILSAFE");
[171]	1954	}
[1]	1955	#endif
	1956
[59]	1957	if (!ask_me_yes_or_no
[507]	1958	(_("Are you sure you want to proceed? Hit 'no' to abort."))) {
	1959	log_to_screen(_("User has chosen not to backup the PC"));
[59]	1960	finish(1);
	1961	}
	1962	} else {
	1963	bkpinfo->restore_data = TRUE; // probably...
	1964	}
[1]	1965
[59]	1966	if (bkpinfo->backup_media_type == iso
	1967	\|\| bkpinfo->backup_media_type == nfs) {
	1968	g_ISO_restore_mode = TRUE;
	1969	}
[1]	1970	#ifdef __FreeSD__
	1971	// skip
	1972	#else
[59]	1973	if (bkpinfo->backup_media_type == nfs) {
[1086]	1974	mr_msg(3, "I think the NFS mount is mounted at %s",
[59]	1975	bkpinfo->isodir);
	1976	}
	1977	log_it("isodir = %s", bkpinfo->isodir);
	1978	log_it("nfs_mount = '%s'", bkpinfo->nfs_mount);
[1]	1979	#endif
	1980
[59]	1981	log_it("media device = %s", bkpinfo->media_device);
	1982	log_it("media size = %ld", bkpinfo->media_size[1]);
[783]	1983	log_it("media type = %s", bkpinfo->backup_media_string);
[252]	1984	log_it("prefix = %s", bkpinfo->prefix);
[59]	1985	log_it("compression = %ld", bkpinfo->compression_level);
	1986	log_it("include_paths = '%s'", bkpinfo->include_paths);
	1987	log_it("exclude_paths = '%s'", bkpinfo->exclude_paths);
	1988	log_it("scratchdir = '%s'", bkpinfo->scratchdir);
	1989	log_it("tmpdir = '%s'", bkpinfo->tmpdir);
	1990	log_it("boot_device = '%s' (loader=%c)", bkpinfo->boot_device,
	1991	bkpinfo->boot_loader);
	1992	if (bkpinfo->media_size[0] < 0) {
	1993	if (archiving_to_media) {
	1994	fatal_error("Media size is less than zero.");
	1995	} else {
[1086]	1996	mr_msg(2, "Warning - media size is less than zero.");
[59]	1997	bkpinfo->media_size[0] = 0;
	1998	}
[1]	1999	}
[59]	2000	return (0);
[1]	2001	}
	2002
	2003
	2004	/**
	2005	* Get a space-separated list of NFS mounts.
	2006	* @return The list created.
[688]	2007	* @note The return value should be freed by caller
[1]	2008	* @bug Even though we only want the mounts, the devices are still checked.
	2009	*/
	2010	char *list_of_NFS_mounts_only(void)
	2011	{
[688]	2012	return(call_program_and_get_last_line_of_output
[794]	2013	("mount -t coda,ncpfs,nfs,smbfs,cifs,afs,mvfs \| tr -s '\t' ' ' \| cut -d' ' -f3 \| tr -s '\n' ' ' \| awk '{print $0;}'"));
[688]	2014	/* BERLIOS : Useless
[900]	2015	mr_asprintf(&exclude_these_devices,
[59]	2016	call_program_and_get_last_line_of_output
[839]	2017	("tr -s '\t' ' ' < /etc/fstab \| grep -E '( (coda\|ncpfs\|nfs\|smbfs\|cifs\|mvfs) )' \| cut -d' ' -f1 \| tr -s '\n' ' ' \| awk '{print $0;}'"));
[688]	2018	*/
[1]	2019	}
[1161]	2020	/* @} - end of utilityGroup */
[1]	2021
[146]	2022
[1]	2023	/**
	2024	* Set the tmpdir and scratchdir to reside on the partition with the most free space.
	2025	* Automatically excludes DOS, NTFS, SMB, and NFS filesystems.
	2026	* @param bkpinfo The backup information structure. @c bkpinfo->tmpdir and @c bkpinfo->scratchdir will be set.
	2027	* @ingroup utilityGroup
	2028	*/
	2029	void sensibly_set_tmpdir_and_scratchdir(struct s_bkpinfo *bkpinfo)
	2030	{
[688]	2031	char *tmp = NULL;
[1161]	2032	char *command = NULL;
	2033	char *sz = NULL;
[688]	2034	int i = 0;
[1]	2035
[59]	2036	assert(bkpinfo != NULL);
[1]	2037
	2038	#ifdef __FreeBSD__
[688]	2039	tmp = call_program_and_get_last_line_of_output
[794]	2040	("df -m -P -t nonfs,msdosfs,ntfs,smbfs,smb,cifs,afs,mvfs \| tr -s '\t' ' ' \| grep -vE \"none\|Filesystem\" \| awk '{printf \"%s %s\\n\", $4, $6;}' \| sort -n \| tail -n1 \| awk '{print $NF;}'");
[1]	2041	#else
[688]	2042	tmp = call_program_and_get_last_line_of_output
[794]	2043	("df -m -P -x nfs -x vfat -x ntfs -x smbfs -x smb -x cifs -x afs -x mvfs \| sed 's/ /devdev/' \| tr -s '\t' ' ' \| grep -vE \"none\|Filesystem\|/dev/shm\" \| awk '{printf \"%s %s\\n\", $4, $6;}' \| sort -n \| tail -n1 \| awk '{print $NF;}'");
[1]	2044	#endif
	2045
[59]	2046	if (tmp[0] != '/') {
[900]	2047	mr_asprintf(&sz, "/%s", tmp);
	2048	mr_free(tmp);
[146]	2049	tmp = sz;
[59]	2050	}
	2051	if (!tmp[0]) {
	2052	fatal_error("I couldn't figure out the tempdir!");
	2053	}
[688]	2054	i = (int) (random() % 32768);
[900]	2055	mr_free(bkpinfo->tmpdir);
	2056	mr_asprintf(&bkpinfo->tmpdir, "%s/mondo.tmp.%d", tmp, i);
[59]	2057	log_it("bkpinfo->tmpdir is being set to %s", bkpinfo->tmpdir);
[1]	2058
[900]	2059	mr_free(bkpinfo->scratchdir);
	2060	mr_asprintf(&bkpinfo->scratchdir, "%s/mondo.scratch.%d", tmp, i);
[59]	2061	log_it("bkpinfo->scratchdir is being set to %s", bkpinfo->scratchdir);
[1]	2062
[900]	2063	mr_asprintf(&command, "rm -Rf %s/mondo.tmp.* %s/mondo.scratch.*", tmp, tmp);
	2064	mr_free(tmp);
[146]	2065
[59]	2066	paranoid_system(command);
[900]	2067	mr_free(command);
[1]	2068	}
	2069
	2070
	2071	/**
	2072	* @addtogroup deviceGroup
	2073	* @{
	2074	*/
	2075	/**
	2076	* If we can read @p dev, set @p output to it.
	2077	* If @p dev cannot be read, set @p output to "".
	2078	* @param dev The device to check for.
[171]	2079	* @param output Set to @p dev if @p dev exists, NULL otherwise. Needs to be freed by caller
[1]	2080	* @return TRUE if @p dev exists, FALSE if it doesn't.
	2081	*/
[59]	2082	bool set_dev_to_this_if_rx_OK(char output, char dev)
[1]	2083	{
[1161]	2084	char *command = NULL;
[1]	2085
[900]	2086	mr_free(output);
[59]	2087	if (!dev \|\| dev[0] == '\0') {
	2088	return (FALSE);
	2089	}
[1086]	2090	mr_msg(10, "Injecting %s", dev);
[59]	2091	inject_device(dev);
	2092	if (!does_file_exist(dev)) {
[1086]	2093	mr_msg(10, "%s doesn't exist. Returning FALSE.", dev);
[59]	2094	return (FALSE);
	2095	}
[900]	2096	mr_asprintf(&command, "dd bs=%ld count=1 if=%s of=/dev/null &> /dev/null",
[59]	2097	512L, dev);
	2098	if (!run_program_and_log_output(command, FALSE)
	2099	&& !run_program_and_log_output(command, FALSE)) {
[900]	2100	mr_asprintf(&output, dev);
[1086]	2101	mr_msg(4, "Found it - %s", dev);
[900]	2102	mr_free(command);
[59]	2103	return (TRUE);
	2104	} else {
[1086]	2105	mr_msg(4, "It's not %s", dev);
[900]	2106	mr_free(command);
[59]	2107	return (FALSE);
	2108	}
[1]	2109	}
	2110
	2111
	2112	/**
	2113	* Find out what number CD is in the drive.
	2114	* @param bkpinfo The backup information structure. The @c bkpinfo->media_device field is the only one used.
	2115	* @return The current CD number, or -1 if it could not be found.
	2116	* @note If the CD is not mounted, it will be mounted
	2117	* (and remain mounted after this function returns).
	2118	*/
	2119	int what_number_cd_is_this(struct s_bkpinfo *bkpinfo)
	2120	{
[59]	2121	int cd_number = -1;
[688]	2122	char *mountdev = NULL;
	2123	char *tmp = NULL;
	2124	char *tmp1 = NULL;
[1]	2125
[59]	2126	assert(bkpinfo != NULL);
	2127	if (g_ISO_restore_mode) {
[900]	2128	mr_asprintf(&tmp, "mount \| grep iso9660 \| awk '{print $3;}'");
[1]	2129
[688]	2130	tmp1 = call_program_and_get_last_line_of_output(tmp);
[900]	2131	mr_free(tmp);
[146]	2132
[900]	2133	mr_asprintf(&mountdev, "%s/archives/THIS-CD-NUMBER", tmp1);
	2134	mr_free(tmp1);
[688]	2135
	2136	tmp = last_line_of_file(mountdev);
	2137	cd_number = atoi(tmp);
[900]	2138	mr_free(mountdev);
	2139	mr_free(tmp);
[59]	2140	return (cd_number);
	2141	}
[1]	2142
[171]	2143	if (bkpinfo->media_device == NULL) {
[59]	2144	log_it
	2145	("(what_number_cd_is_this) Warning - media_device unknown. Finding out...");
[171]	2146	bkpinfo->media_device = find_cdrom_device(FALSE);
[59]	2147	}
	2148	if (!is_this_device_mounted(MNT_CDROM)) {
[171]	2149	(void)mount_CDROM_here(bkpinfo->media_device, MNT_CDROM);
[59]	2150	}
[688]	2151	tmp = last_line_of_file(MNT_CDROM "/archives/THIS-CD-NUMBER");
	2152	cd_number = atoi(tmp);
[900]	2153	mr_free(tmp);
[59]	2154	return (cd_number);
[1]	2155	}
	2156
	2157
	2158	/**
	2159	* Find out what device is mounted as root (/).
	2160	* @return Root device.
	2161	* @note The returned string points to static storage and will be overwritten with every call.
	2162	* @bug A bit of a misnomer; it's actually finding out the root device.
	2163	* The mountpoint (where it's mounted) will obviously be '/'.
	2164	*/
[59]	2165	char *where_is_root_mounted()
[1]	2166	{
[146]	2167	char *tmp;
[1]	2168
	2169	#ifdef __FreeBSD__
[688]	2170	tmp = call_program_and_get_last_line_of_output
	2171	("mount \| grep \" on / \" \| cut -d' ' -f1");
[1]	2172	#else
[688]	2173	tmp = call_program_and_get_last_line_of_output
	2174	("mount \| grep \" on / \" \| cut -d' ' -f1 \| sed s/[0-9]// \| sed s/[0-9]//");
[59]	2175	if (strstr(tmp, "/dev/cciss/")) {
[900]	2176	mr_free(tmp);
[688]	2177	tmp = call_program_and_get_last_line_of_output
	2178	("mount \| grep \" on / \" \| cut -d' ' -f1 \| cut -dp -f1");
[59]	2179	}
	2180	if (strstr(tmp, "/dev/md")) {
[900]	2181	mr_free(tmp);
[688]	2182	tmp = call_program_and_get_last_line_of_output
	2183	("mount \| grep \" on / \" \| cut -d' ' -f1");
[59]	2184	}
[1]	2185	#endif
	2186
[59]	2187	return (tmp);
[1]	2188	}
	2189
	2190
	2191	/**
	2192	* Find out which boot loader is in use.
	2193	* @param which_device Device to look for the boot loader on.
	2194	* @return 'L' for LILO, 'E'for ELILO, 'G' for GRUB, 'B' or 'D' for FreeBSD boot loaders, or 'U' for Unknown.
	2195	* @note Under Linux, all drives are examined, not just @p which_device.
	2196	*/
[59]	2197	char which_boot_loader(char *which_device)
[1]	2198	{
[1161]	2199	#ifdef __FreeBSD__
[59]	2200	int count_lilos = 0;
	2201	int count_grubs = 0;
	2202	int count_boot0s = 0;
	2203	int count_dangerouslydedicated = 0;
[1]	2204
[59]	2205	log_it("looking at drive %s's MBR", which_device);
	2206	if (does_string_exist_in_boot_block(which_device, "GRUB")) {
	2207	count_grubs++;
	2208	}
	2209	if (does_string_exist_in_boot_block(which_device, "LILO")) {
	2210	count_lilos++;
	2211	}
	2212	if (does_string_exist_in_boot_block(which_device, "Drive")) {
	2213	count_boot0s++;
	2214	}
	2215	if (does_string_exist_in_first_N_blocks
	2216	(which_device, "FreeBSD/i386", 17)) {
	2217	count_dangerouslydedicated++;
	2218	}
	2219	log_it("%d grubs and %d lilos and %d elilos and %d boot0s and %d DD\n",
	2220	count_grubs, count_lilos, count_elilos, count_boot0s,
	2221	count_dangerouslydedicated);
[1]	2222
[59]	2223	if (count_grubs && !count_lilos) {
	2224	return ('G');
	2225	} else if (count_lilos && !count_grubs) {
	2226	return ('L');
	2227	} else if (count_grubs == 1 && count_lilos == 1) {
	2228	log_it("I'll bet you used to use LILO but switched to GRUB...");
	2229	return ('G');
	2230	} else if (count_boot0s == 1) {
	2231	return ('B');
	2232	} else if (count_dangerouslydedicated) {
	2233	return ('D');
	2234	} else {
	2235	log_it("Unknown boot loader");
	2236	return ('U');
	2237	}
[1]	2238	#else
[59]	2239	/@ buffer **************************************************** */
	2240	char *list_drives_cmd;
[146]	2241	char *current_drive = NULL;
[1]	2242
[59]	2243	/@ pointers ************************************************** */
	2244	FILE *pdrives;
[1]	2245
[59]	2246	/@ int ******************************************************* */
	2247	int count_lilos = 0;
	2248	int count_grubs = 0;
[171]	2249	size_t n = 0;
[1]	2250
[59]	2251	/@ end vars ************************************************** */
[1]	2252
	2253	#ifdef __IA64__
[59]	2254	/* No choice for it */
	2255	return ('E');
[1]	2256	#endif
[59]	2257	assert(which_device != NULL);
[900]	2258	mr_asprintf(&list_drives_cmd,
[197]	2259	"parted2fdisk -l 2>/dev/null \| grep \"/dev/.*:\" \| tr -s ':' ' ' \| tr -s ' ' '\n' \| grep /dev/; echo %s",
[59]	2260	where_is_root_mounted());
	2261	log_it("list_drives_cmd = %s", list_drives_cmd);
[1]	2262
[59]	2263	if (!(pdrives = popen(list_drives_cmd, "r"))) {
	2264	log_OS_error("Unable to open list of drives");
[900]	2265	mr_free(list_drives_cmd);
[59]	2266	return ('\0');
[1]	2267	}
[900]	2268	mr_free(list_drives_cmd);
[146]	2269
[900]	2270	for (mr_getline(&current_drive, &n, pdrives); !feof(pdrives);
	2271	mr_getline(&current_drive, &n, pdrives)) {
[59]	2272	strip_spaces(current_drive);
	2273	log_it("looking at drive %s's MBR", current_drive);
	2274	if (does_string_exist_in_boot_block(current_drive, "GRUB")) {
	2275	count_grubs++;
[900]	2276	mr_allocstr(which_device,current_drive);
[59]	2277	break;
	2278	}
	2279	if (does_string_exist_in_boot_block(current_drive, "LILO")) {
	2280	count_lilos++;
[900]	2281	mr_allocstr(which_device,current_drive);
[59]	2282	break;
	2283	}
[1]	2284	}
[146]	2285
[59]	2286	if (pclose(pdrives)) {
	2287	log_OS_error("Cannot pclose pdrives");
	2288	}
	2289	log_it("%d grubs and %d lilos\n", count_grubs, count_lilos);
	2290	if (count_grubs && !count_lilos) {
	2291	return ('G');
	2292	} else if (count_lilos && !count_grubs) {
	2293	return ('L');
	2294	} else if (count_grubs == 1 && count_lilos == 1) {
	2295	log_it("I'll bet you used to use LILO but switched to GRUB...");
	2296	return ('G');
	2297	} else {
	2298	log_it("Unknown boot loader");
	2299	return ('U');
	2300	}
[1161]	2301	#endif
[1]	2302	}
	2303
	2304
	2305	/**
	2306	* Write zeroes over the first 16K of @p device.
	2307	* @param device The device to zero.
	2308	* @return 0 for success, 1 for failure.
	2309	*/
[59]	2310	int zero_out_a_device(char *device)
[1]	2311	{
[59]	2312	FILE *fout;
	2313	int i;
[1]	2314
[59]	2315	assert_string_is_neither_NULL_nor_zerolength(device);
[1]	2316
[59]	2317	log_it("Zeroing drive %s", device);
	2318	if (!(fout = fopen(device, "w"))) {
	2319	log_OS_error("Unable to open/write to device");
	2320	return (1);
	2321	}
	2322	for (i = 0; i < 16384; i++) {
	2323	fputc('\0', fout);
	2324	}
	2325	paranoid_fclose(fout);
	2326	log_it("Device successfully zeroed.");
	2327	return (0);
[1]	2328	}
	2329
[146]	2330
[1]	2331	/**
	2332	* Return the device pointed to by @p incoming.
	2333	* @param incoming The device to resolve symlinks for.
	2334	* @return The path to the real device file.
[146]	2335	* @note The returned string points to a storage that need to be freed by the caller
[1]	2336	* @bug Won't work with file v4.0; needs to be written in C.
	2337	*/
[59]	2338	char resolve_softlinks_to_get_to_actual_device_file(char incoming)
[1]	2339	{
[688]	2340	char *output = NULL;
	2341	char *command = NULL;
	2342	char *curr_fname = NULL;
	2343	char *scratch = NULL;
	2344	char *tmp = NULL;
	2345	char *p = NULL;
[59]	2346
	2347	struct stat statbuf;
	2348	if (!does_file_exist(incoming)) {
	2349	log_it
	2350	("resolve_softlinks_to_get_to_actual_device_file --- device not found");
[900]	2351	mr_asprintf(&output, incoming);
[59]	2352	} else {
[900]	2353	mr_asprintf(&curr_fname, incoming);
[59]	2354	lstat(curr_fname, &statbuf);
	2355	while (S_ISLNK(statbuf.st_mode)) {
[1086]	2356	mr_msg(1, "curr_fname = %s", curr_fname);
[900]	2357	mr_asprintf(&command, "file %s", curr_fname);
[688]	2358	tmp = call_program_and_get_last_line_of_output(command);
[900]	2359	mr_free(command);
[146]	2360
[59]	2361	for (p = tmp + strlen(tmp); p != tmp && p != '`' && p != ' ';
	2362	p--);
	2363	p++;
[900]	2364	mr_asprintf(&scratch, p);
[59]	2365	for (p = scratch; p != '\0' && p != '\''; p++);
	2366	*p = '\0';
[1086]	2367	mr_msg(0, "curr_fname %s --> '%s' --> %s", curr_fname, tmp, scratch);
[900]	2368	mr_free(tmp);
[146]	2369
[59]	2370	if (scratch[0] == '/') {
[900]	2371	mr_free(curr_fname);
	2372	mr_asprintf(&curr_fname, scratch); // copy whole thing because it's an absolute softlink
[59]	2373	} else { // copy over the basename cos it's a relative softlink
	2374	p = curr_fname + strlen(curr_fname);
	2375	while (p != curr_fname && *p != '/') {
	2376	p--;
	2377	}
	2378	if (*p == '/') {
	2379	p++;
	2380	}
[146]	2381	*p = '\0';
[900]	2382	mr_asprintf(&tmp, "%s%s", curr_fname, scratch);
	2383	mr_free(curr_fname);
[146]	2384	curr_fname = tmp;
[59]	2385	}
[900]	2386	mr_free(scratch);
[59]	2387	lstat(curr_fname, &statbuf);
	2388	}
[900]	2389	mr_asprintf(&output, curr_fname);
[59]	2390	log_it("resolved %s to %s", incoming, output);
[900]	2391	mr_free(curr_fname);
[1]	2392	}
[59]	2393	return (output);
[1]	2394	}
	2395
	2396	/* @} - end of deviceGroup */
	2397
	2398
	2399	/**
	2400	* Return the type of partition format (GPT or MBR)
[146]	2401	* Caller needs to free the return value
[1]	2402	*/
	2403	char which_partition_format(const char drive)
	2404	{
[688]	2405	char *output = NULL;
	2406	char *tmp = NULL;
	2407	char *command = NULL;
	2408	char *fdisk = NULL;
[59]	2409
[1086]	2410	mr_msg(0, "Looking for partition table format type");
[900]	2411	mr_asprintf(&fdisk, "/sbin/parted2fdisk");
[1086]	2412	mr_msg(1, "Using %s", fdisk);
[900]	2413	mr_asprintf(&command, "%s -l %s \| grep 'EFI GPT'", fdisk, drive);
	2414	mr_free(fdisk);
[146]	2415
[688]	2416	tmp = call_program_and_get_last_line_of_output(command);
[900]	2417	mr_free(command);
[146]	2418
[59]	2419	if (strstr(tmp, "GPT") == NULL) {
[900]	2420	mr_asprintf(&output, "MBR");
[59]	2421	} else {
[900]	2422	mr_asprintf(&output, "GPT");
[59]	2423	}
[900]	2424	mr_free(tmp);
[1086]	2425	mr_msg(0, "Found %s partition table format type", output);
[1161]	2426	return(output);
[1]	2427	}
	2428	/* @} - end of deviceGroup */

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