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source: MondoRescue/trunk/mondo/src/common/libmondo-tools.c@ 914

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Last change on this file since 914 was 914, checked in by Bruno Cornec, 18 years ago
merge -r902:913 $SVN_M/branches/stable
Property svn:keywords set to `Id`
File size: 35.7 KB

Rev	Line
[58]	1	/* $Id: libmondo-tools.c 914 2006-11-02 01:00:32Z bruno $
	2	misc tools
[1]	3	*/
	4
	5	/**
	6	* @file
	7	* Miscellaneous tools that didn't really fit anywhere else.
	8	*/
	9
	10	#include "my-stuff.h"
	11	#include "mondostructures.h"
	12	#include "libmondo-tools.h"
[507]	13	#include "newt-specific-EXT.h"
[1]	14	#include "libmondo-files-EXT.h"
	15	#include "libmondo-fork-EXT.h"
	16	#include "libmondo-raid-EXT.h"
	17	#include <sys/socket.h>
	18	#include <netdb.h>
	19	#include <netinet/in.h>
[146]	20	#ifndef S_SPLINT_S
[1]	21	#include <arpa/inet.h>
[146]	22	#endif
[900]	23	#include "mr_mem.h"
[1]	24
	25	/@unused@/
[49]	26	//static char cvsid[] = "$Id: libmondo-tools.c 914 2006-11-02 01:00:32Z bruno $";
[1]	27
	28	extern int g_tape_buffer_size_MB;
	29	extern char *g_erase_tmpdir_and_scratchdir;
	30	extern char *g_serial_string;
	31	extern bool g_text_mode;
	32	extern int g_currentY;
	33	extern int g_current_media_number;
	34
	35	/**
	36	* @addtogroup globalGroup
	37	* @{
	38	*/
[49]	39	bool g_remount_cdrom_at_end, ///< TRUE if we unmounted the CD-ROM and should remount it when done with the backup.
	40	g_remount_floppy_at_end; ///< TRUE if we unmounted the floppy and should remount it when done with the backup.
	41	bool g_cd_recovery; ///< TRUE if we're making an "autonuke" backup.
[1]	42	double g_kernel_version;
	43
	44	/**
[94]	45	* The place where /boot is mounted. - Used locally only
[1]	46	*/
[94]	47	static char *g_boot_mountpt = NULL;
[1]	48
	49	/**
	50	* The location of Mondo's home directory.
	51	*/
[49]	52	char *g_mondo_home = NULL;
[1]	53
	54	/**
	55	* The serial string (used to differentiate between backups) of the current backup.
	56	*/
[49]	57	char *g_serial_string = NULL;
[1]	58
	59	/**
	60	* The location where tmpfs is mounted, or "" if it's not mounted.
	61	*/
[49]	62	char *g_tmpfs_mountpt = NULL;
	63	char *g_magicdev_command = NULL;
[1]	64
	65	/**
	66	* The default maximum level to log messages at or below.
	67	*/
[49]	68	int g_loglevel = DEFAULT_DEBUG_LEVEL;
[1]	69
	70	/* @} - end of globalGroup */
	71
	72
	73	extern pid_t g_buffer_pid;
	74	extern pid_t g_main_pid;
	75
	76	extern t_bkptype g_backup_media_type;
[783]	77	extern char *g_backup_media_string;
[1]	78
	79	extern bool am_I_in_disaster_recovery_mode(void);
	80
	81
	82	/**
	83	* @addtogroup utilityGroup
	84	* @{
	85	*/
	86	/**
	87	* Assertion handler. Prints a friendly message to the user,
	88	* offering to ignore all, dump core, break to debugger,
	89	* exit, or ignore. Intended to be used with an assert() macro.
	90	*
	91	* @param file The file in which the assertion triggered.
	92	* @param function The function (@c __FUNCTION__) in which the assertion triggered.
	93	* @param line The line number of the assert() statement.
	94	* @param exp The expression that failed (as a string).
	95	*/
[49]	96	void _mondo_assert_fail(const char *file,
	97	const char function, int line, const char exp)
[1]	98	{
[49]	99	static int ignoring_assertions = 0;
	100	bool is_valid = TRUE;
[1]	101
[49]	102	log_it("ASSERTION FAILED: `%s' at %s:%d in %s", exp, file, line,
	103	function);
	104	if (ignoring_assertions) {
	105	log_it("Well, the user doesn't care...");
	106	return;
	107	}
[1]	108	#ifndef _XWIN
[49]	109	if (!g_text_mode)
	110	newtSuspend();
[1]	111	#endif
[507]	112	printf(_("ASSERTION FAILED: `%s'\n"), exp);
	113	printf(_("\tat %s:%d in %s\n\n"), file, line, function);
	114	printf(_("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? "));
[49]	115	do {
	116	is_valid = TRUE;
	117	switch (toupper(getchar())) {
	118	case 'A': // ignore (A)ll
	119	ignoring_assertions = 1;
	120	break;
	121	case 'B': // a(B)ort
	122	signal(SIGABRT, SIG_DFL); /* prevent SIGABRT handler from running */
	123	raise(SIGABRT);
	124	break; /* "can't get here" */
	125	case 'D': // (D)ebug, aka asm("int 3")
[1]	126	#ifdef __IA32__
[49]	127	__asm__ __volatile__("int $3"); // break to debugger
[1]	128	#endif
[49]	129	break;
	130	case 'E': // (E)xit
	131	fatal_error("Failed assertion -- see above for details");
	132	break; /* "can't get here" */
	133	case 'I': // (I)gnore
	134	break;
	135	/* These next two work as follows:
	136	the `default' catches the user's invalid choice and says so;
	137	the '\n' catches the newline on the end and prints the prompt again.
	138	*/
	139	case '\n':
	140	printf
[507]	141	(_("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? "));
[49]	142	break;
	143	default:
	144	is_valid = FALSE;
[507]	145	printf(_("Invalid choice.\n"));
[49]	146	break;
	147	}
	148	} while (!is_valid);
	149
	150	if (ignoring_assertions) {
	151	log_it("Ignoring ALL assertions from now on.");
	152	} else {
	153	log_it("Ignoring assertion: %s", exp);
[1]	154	}
	155
[49]	156	getchar(); // skip \n
[1]	157
	158	#ifndef _XWIN
[49]	159	if (!g_text_mode)
	160	newtResume();
[1]	161	#endif
	162	}
	163
	164	/**
	165	* Clean's up users' KDE desktops.
	166	* @bug Details about this function are unknown.
	167	*/
	168	void clean_up_KDE_desktop_if_necessary(void)
	169	{
[49]	170	char *tmp;
[1]	171
[900]	172	mr_asprintf(&tmp,
[127]	173	"for i in `find /root /home -type d -name Desktop -maxdepth 2`; do \
[1]	174	file=$i/.directory; if [ -f \"$file\" ] ; then mv -f $file $file.old ; \
[274]	175	awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } \
[276]	176	else { print $0;};}' $file.old > $file ; fi ; done");
[49]	177	run_program_and_log_output(tmp, 5);
[900]	178	mr_free(tmp);
[1]	179	}
	180
	181
	182	/**
	183	* Locate mondoarchive's home directory. Searches in /usr/local/mondo, /usr/share/mondo,
	184	* /usr/local/share/mondo, /opt, or if all else fails, search /usr.
	185	*
	186	* @param home_sz String to store the home directory ("" if it could not be found).
	187	* @return 0 for success, nonzero for failure.
	188	*/
[94]	189	char *find_and_store_mondoarchives_home()
[1]	190	{
[94]	191	char *home_sz = NULL;
	192
[900]	193	mr_asprintf(&home_sz, MONDO_SHARE);
[94]	194	return (home_sz);
[1]	195	}
	196
	197
	198	char *get_architecture()
	199	{
	200	#ifdef __IA32__
[49]	201	return ("i386");
[1]	202	#endif
[94]	203	#ifdef __X86_64__
	204	return ("x86-64");
	205	#endif
[1]	206	#ifdef __IA64__
[49]	207	return ("ia64");
[1]	208	#endif
[49]	209	return ("unknown");
[1]	210	}
	211
	212
	213
	214	double get_kernel_version()
	215	{
[94]	216	char p, tmp;
[49]	217	double d;
[1]	218	#ifdef __FreeBSD__
[49]	219	// JOSH - FIXME :)
	220	d = 5.2; // :-)
[1]	221	#else
[688]	222	tmp = call_program_and_get_last_line_of_output("uname -r");
[49]	223	p = strchr(tmp, '.');
	224	if (p) {
	225	p = strchr(++p, '.');
	226	if (p) {
	227	while (*p) {
	228	p = (p + 1);
	229	p++;
	230	}
	231	}
	232	}
[1]	233	// log_msg(1, "tmp = '%s'", tmp);
[49]	234	d = atof(tmp);
[1]	235	#endif
[49]	236	log_msg(1, "g_kernel_version = %f", d);
	237	return (d);
[1]	238	}
	239
	240
	241
	242
	243
	244	/**
	245	* Get the current time.
	246	* @return number of seconds since the epoch.
	247	*/
[49]	248	long get_time()
[1]	249	{
[49]	250	return (long) time((void *) 0);
[1]	251	}
	252
	253
	254
	255
	256
	257
	258
	259	/**
	260	* Initialize a RAID volume structure, setting fields to zero. The
	261	* actual hard drive is unaffected.
	262	*
	263	* @param raidrec The RAID volume structure to initialize.
	264	* @note This function is system dependent.
	265	*/
	266	#ifdef __FreeBSD__
[49]	267	void initialize_raidrec(struct vinum_volume *raidrec)
[1]	268	{
[49]	269	int i, j;
	270	raidrec->volname[0] = '\0';
	271	raidrec->plexes = 0;
	272	for (i = 0; i < 9; ++i) {
	273	raidrec->plex[i].raidlevel = -1;
	274	raidrec->plex[i].stripesize = 0;
	275	raidrec->plex[i].subdisks = 0;
	276	for (j = 0; j < 9; ++j) {
	277	strcpy(raidrec->plex[i].sd[j].which_device, "");
	278	}
	279	}
[1]	280	}
	281	#else
[49]	282	void initialize_raidrec(struct raid_device_record *raidrec)
[1]	283	{
[49]	284	assert(raidrec != NULL);
[783]	285	raidrec->raid_device = NULL;
[561]	286	raidrec->raid_level = -9;
[49]	287	raidrec->persistent_superblock = 1;
[561]	288	raidrec->chunk_size = 64;
	289	raidrec->parity = -1;
[49]	290	raidrec->data_disks.entries = 0;
	291	raidrec->spare_disks.entries = 0;
	292	raidrec->parity_disks.entries = 0;
	293	raidrec->failed_disks.entries = 0;
	294	raidrec->additional_vars.entries = 0;
[1]	295	}
	296	#endif
	297
	298
	299
	300
	301	/**
	302	* Insert modules that Mondo requires.
	303	* Currently inserts @c dos, @c fat, @c vfat, and @c osst for Linux;
	304	* @c msdosfs and @c ext2fs for FreeBSD.
	305	*/
	306	void insmod_crucial_modules(void)
	307	{
	308	#ifdef __FreeBSD__
[49]	309	system("kldstat \| grep msdosfs \|\| kldload msdosfs 2> /dev/null");
	310	system("kldstat \| grep ext2fs \|\| kldload ext2fs 2> /dev/null");
[1]	311	#else
[94]	312	system("modprobe -a dos fat vfat loop &> /dev/null");
[1]	313	#endif
	314	}
	315
	316
	317	/**
	318	* Finish configuring the backup information structure. Call this function
	319	* to set the parameters that depend on those that can be given on the command
	320	* line.
	321	*
	322	* @param bkpinfo The backup information structure. Fields modified/used:
	323	* - Used: @c bkpinfo->backup_data
	324	* - Used: @c bkpinfo->backup_media_type
	325	* - Used: @c bkpinfo->cdrw_speed
	326	* - Used: @c bkpinfo->compression_level
	327	* - Used: @c bkpinfo->include_paths
[20]	328	* - Used: @c bkpinfo->prefix
[1]	329	* - Used: @c bkpinfo->isodir
	330	* - Used: @c bkpinfo->manual_cd_tray
	331	* - Used: @c bkpinfo->make_cd_use_lilo
	332	* - Used: @c bkpinfo->media_device
	333	* - Used: @c bkpinfo->nfs_mount
	334	* - Used: @c bkpinfo->nonbootable_backup
	335	* - Used: @c bkpinfo->scratchdir
	336	* - Used: @c bkpinfo->tmpdir
	337	* - Used: @c bkpinfo->use_lzo
	338	* - Modified: @c bkpinfo->call_before_iso
	339	* - Modified: @c bkpinfo->call_make_iso
	340	* - Modified: @c bkpinfo->optimal_set_size
	341	* - Modified: @c bkpinfo->zip_exe
	342	* - Modified: @c bkpinfo->zip_suffix
	343	*
	344	* @return number of errors, or 0 for success.
	345	* @note Also creates directories that are specified in the @c bkpinfo structure but
	346	* do not exist.
	347	*/
[49]	348	int post_param_configuration(struct s_bkpinfo *bkpinfo)
[1]	349	{
[94]	350	char *extra_cdrom_params = NULL;
	351	char *mondo_mkisofs_sz = NULL;
[689]	352	char *command = NULL;
	353	char hostname = NULL, ip_address = NULL;
[49]	354	int retval = 0;
	355	long avm = 0;
[689]	356	char *colon = NULL;
	357	char *cdr_exe = NULL;
	358	char *tmp = NULL;
	359	char *tmp1 = NULL;
[783]	360	char *call_before_iso_user = NULL;
[49]	361	int rdsiz_MB;
[689]	362	char *iso_path = NULL;
[1]	363
[49]	364	assert(bkpinfo != NULL);
	365	bkpinfo->optimal_set_size =
[687]	366	(IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 16 : 16) *
[49]	367	1024;
[1]	368
[49]	369	log_msg(1, "Foo");
	370	if (bkpinfo->backup_media_type == tape) {
	371	log_msg(1, "Bar");
[900]	372	mr_asprintf(&tmp, "mt -f %s status", bkpinfo->media_device);
[49]	373	log_msg(1, "tmp = '%s'", tmp);
	374	if (run_program_and_log_output(tmp, 3)) {
	375	fatal_error
	376	("Unable to open tape device. If you haven't specified it with -d, do so. If you already have, check your parameter. I think it's wrong.");
	377	}
[900]	378	mr_free(tmp);
[1]	379	}
[49]	380	make_hole_for_dir(bkpinfo->scratchdir);
	381	make_hole_for_dir(bkpinfo->tmpdir);
	382	if (bkpinfo->backup_media_type == iso)
	383	make_hole_for_dir(bkpinfo->isodir);
[1]	384
[49]	385	run_program_and_log_output("uname -a", 5);
[687]	386	run_program_and_log_output("cat /etc/*-release", 5);
[49]	387	run_program_and_log_output("cat /etc/issue", 5);
[900]	388	mr_asprintf(&g_tmpfs_mountpt, "%s/tmpfs", bkpinfo->tmpdir);
	389	mr_asprintf(&command, "mkdir -p %s", g_tmpfs_mountpt);
[49]	390	paranoid_system(command);
[900]	391	mr_free(command);
[49]	392	rdsiz_MB = PPCFG_RAMDISK_SIZE + g_tape_buffer_size_MB;
[1]	393	#ifdef __FreeBSD__
[688]	394	tmp = call_program_and_get_last_line_of_output
	395	("vmstat \| tail -1 \| tr -s ' ' \| cut -d' ' -f6");
[49]	396	avm += atol(tmp);
[900]	397	mr_free(tmp);
[688]	398	tmp = call_program_and_get_last_line_of_output
	399	("swapinfo \| grep -v Device \| tr -s ' ' \| cut -d' ' -f4 \| tr '\n' '+' \| sed 's/+$//' \| bc");
[49]	400	avm += atol(tmp);
[900]	401	mr_free(tmp);
	402	mr_asprintf(&command, "mdmfs -s %d%c md9 %s", rdsiz_MB, 'm',
[127]	403	g_tmpfs_mountpt);
[1]	404	#else
[688]	405	tmp = call_program_and_get_last_line_of_output
[914]	406	("free \| grep ':' \| tr -s ' ' '\t' \| cut -f2 \| head -n1");
[49]	407	avm += atol(tmp);
[900]	408	mr_free(tmp);
	409	mr_asprintf(&command, "mount /dev/shm -t tmpfs %s -o size=%d%c",
[127]	410	g_tmpfs_mountpt, rdsiz_MB, 'm');
[49]	411	run_program_and_log_output("cat /proc/cpuinfo", 5);
[94]	412	/* BERLIOS: rpm is not necessarily there ! */
[49]	413	run_program_and_log_output
	414	("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc",
	415	5);
[1]	416	#endif
[49]	417	if (avm / 1024 > rdsiz_MB * 3) {
	418	if (run_program_and_log_output(command, 5)) {
[900]	419	mr_free(g_tmpfs_mountpt);
[49]	420	log_it("Failed to mount tmpfs");
	421	} else {
	422	log_it("Tmpfs mounted OK - %d MB", rdsiz_MB);
	423	}
	424	} else {
[900]	425	mr_free(g_tmpfs_mountpt);
[49]	426	log_it("It doesn't seem you have enough swap to use tmpfs. Fine.");
[1]	427	}
[900]	428	mr_free(command);
[49]	429
	430	if (bkpinfo->use_lzo) {
[900]	431	mr_allocstr(bkpinfo->zip_exe, "lzop");
	432	mr_allocstr(bkpinfo->zip_suffix, "lzo");
[49]	433	} else if (bkpinfo->compression_level != 0) {
[900]	434	mr_allocstr(bkpinfo->zip_exe, "bzip2");
	435	mr_allocstr(bkpinfo->zip_suffix, "bz2");
[49]	436	} else {
[783]	437	bkpinfo->zip_exe = NULL;
	438	bkpinfo->zip_suffix = NULL;
[1]	439	}
	440
	441	// DVD
	442
[49]	443	if (bkpinfo->backup_media_type == dvd) {
[689]	444	tmp = find_home_of_exe("growisofs");
	445	if (!tmp) {
[49]	446	fatal_error("Please install growisofs.");
	447	}
[900]	448	mr_free(tmp);
[689]	449
[49]	450	if (bkpinfo->nonbootable_backup) {
[900]	451	mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
[49]	452	} else if
[1]	453	#ifdef __FreeBSD__
[49]	454	(TRUE)
[1]	455	#else
[49]	456	(bkpinfo->make_cd_use_lilo)
[1]	457	#endif
	458	#ifdef __IA64__
[49]	459	{
[900]	460	mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
[49]	461	}
[1]	462	#else
	463	{
[900]	464	mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
[1]	465	}
[49]	466	#endif
	467	else
	468	{
[900]	469	mr_asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
[49]	470	}
	471	if (bkpinfo->manual_cd_tray) {
	472	fatal_error("Manual CD tray + DVD not supported yet.");
	473	// -m isn't supported by growisofs, BTW...
	474	} else {
[900]	475	mr_asprintf(&bkpinfo->call_make_iso,
[49]	476	"%s %s -Z %s . 2>> _ERR_",
[127]	477	mondo_mkisofs_sz, "", bkpinfo->media_device);
[49]	478	}
[900]	479	mr_free(mondo_mkisofs_sz);
[94]	480
[687]	481	if (getenv ("SUDO_COMMAND")) {
[900]	482	mr_asprintf(&command, "strings `which growisofs` \| grep -c SUDO_COMMAND");
[688]	483	tmp = call_program_and_get_last_line_of_output(command);
	484	if (!strcmp(tmp, "1")) {
[687]	485	popup_and_OK("Fatal Error: Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
	486	fatal_error("Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
	487	}
[900]	488	mr_free(tmp);
	489	mr_free(command);
[72]	490	}
[49]	491	log_msg(2, "call_make_iso (DVD res) is ... %s",
	492	bkpinfo->call_make_iso);
	493	} // end of DVD code
[1]	494
	495	// CD-R or CD-RW
[49]	496	if (bkpinfo->backup_media_type == cdrw
	497	\|\| bkpinfo->backup_media_type == cdr) {
	498	if (!bkpinfo->manual_cd_tray) {
[900]	499	mr_asprintf(&extra_cdrom_params, "-waiti ");
[49]	500	}
	501	if (bkpinfo->backup_media_type == cdrw) {
[94]	502	if (extra_cdrom_params != NULL) {
[900]	503	mr_asprintf(&tmp, extra_cdrom_params);
	504	mr_free(extra_cdrom_params);
	505	mr_asprintf(&extra_cdrom_params, "%s blank=fast ", tmp);
[94]	506	} else {
[900]	507	mr_asprintf(&extra_cdrom_params, "blank=fast ");
[94]	508	}
[49]	509	}
[689]	510	tmp = find_home_of_exe("cdrecord");
	511	tmp1 = find_home_of_exe("dvdrecord");
	512	if (tmp) {
[900]	513	mr_asprintf(&cdr_exe, "cdrecord");
[689]	514	} else if (tmp1) {
[900]	515	mr_asprintf(&cdr_exe, "dvdrecord");
[49]	516	} else {
	517	fatal_error("Please install either cdrecord or dvdrecord.");
	518	}
[900]	519	mr_free(tmp);
	520	mr_free(tmp1);
[689]	521
[49]	522	if (bkpinfo->nonbootable_backup) {
[900]	523	mr_asprintf(&mondo_mkisofs_sz, "%s -r -p MondoRescue -publisher www.mondorescue.org -A Mondo_Rescue_GPL_Version -V _CD#_", bkpinfo->mr_conf->mondo_iso_creation_cmd);
[49]	524	} else if
[1]	525	#ifdef __FreeBSD__
[49]	526	(TRUE)
[1]	527	#else
[49]	528	(bkpinfo->make_cd_use_lilo)
[1]	529	#endif
	530	#ifdef __IA64__
	531	{
[900]	532	mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_ELILO);
[1]	533	}
[49]	534	#else
[1]	535	{
[900]	536	mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_LILO);
[1]	537	}
[49]	538	#endif
	539	else
	540	{
[900]	541	mr_asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_SYSLINUX);
[49]	542	}
	543	if (bkpinfo->manual_cd_tray) {
[783]	544	if (bkpinfo->call_before_iso == NULL) {
[900]	545	mr_asprintf(&bkpinfo->call_before_iso,
[164]	546	"%s -o %s/temporary.iso . 2>> _ERR_",
	547	mondo_mkisofs_sz, bkpinfo->tmpdir);
[783]	548	} else {
[900]	549	mr_asprintf(&call_before_iso_user, bkpinfo->call_before_iso);
	550	mr_asprintf(&bkpinfo->call_before_iso,
[164]	551	"( %s -o %s/temporary.iso . 2>> _ERR_ ; %s )",
	552	mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user);
[900]	553	mr_free(call_before_iso_user);
[164]	554	}
	555	log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
[900]	556	mr_asprintf(&bkpinfo->call_make_iso,
[49]	557	"%s %s -v %s fs=4m dev=%s speed=%d %s/temporary.iso",
	558	cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject",
	559	extra_cdrom_params, bkpinfo->media_device,
	560	bkpinfo->cdrw_speed, bkpinfo->tmpdir);
	561	} else {
[900]	562	mr_asprintf(&bkpinfo->call_make_iso,
[49]	563	"%s . 2>> _ERR_ \| %s %s %s fs=4m dev=%s speed=%d -",
	564	mondo_mkisofs_sz, cdr_exe,
	565	(bkpinfo->please_dont_eject) ? " " : "-eject",
	566	extra_cdrom_params, bkpinfo->media_device,
	567	bkpinfo->cdrw_speed);
	568	}
[900]	569	mr_free(mondo_mkisofs_sz);
	570	mr_free(cdr_exe);
	571	mr_free(extra_cdrom_params);
[49]	572	} // end of CD code
[1]	573
[49]	574	if (bkpinfo->backup_media_type == iso) {
	575
[1]	576	/* Patch by Conor Daly <conor.daly@met.ie>
	577	* 23-june-2004
	578	* Break up isodir into iso_mnt and iso_path
	579	* These will be used along with iso-dev at restore time
	580	* to locate the ISOs where ever they're mounted
	581	*/
	582
[49]	583	log_it("isodir = %s", bkpinfo->isodir);
[900]	584	mr_asprintf(&command, "df -P %s \| tail -n1 \| cut -d' ' -f1",
[127]	585	bkpinfo->isodir);
[49]	586	log_it("command = %s", command);
[688]	587	tmp = call_program_and_get_last_line_of_output(command);
[900]	588	mr_free(command);
[94]	589	log_it("res of it = %s", tmp);
[900]	590	mr_asprintf(&tmp1, "%s/ISO-DEV", bkpinfo->tmpdir);
[94]	591	write_one_liner_data_file(tmp1, tmp);
[900]	592	mr_free(tmp1);
[1]	593
[900]	594	mr_asprintf(&command, "mount \| grep -w %s \| tail -n1 \| cut -d' ' -f3",
[127]	595	tmp);
[900]	596	mr_free(tmp);
[49]	597	log_it("command = %s", command);
[688]	598	tmp = call_program_and_get_last_line_of_output(command);
[900]	599	mr_free(command);
[94]	600	log_it("res of it = %s", tmp);
	601
[900]	602	mr_asprintf(&tmp1, "%s/ISO-MNT", bkpinfo->tmpdir);
[94]	603	write_one_liner_data_file(tmp1, tmp);
[900]	604	mr_free(tmp1);
[94]	605
	606	log_it("isomnt: %s, %d", tmp, strlen(tmp));
	607	if (strlen(bkpinfo->isodir) < strlen(tmp)) {
[900]	608	mr_asprintf(&iso_path, " ");
[49]	609	} else {
[900]	610	mr_asprintf(&iso_path, "%s", bkpinfo->isodir + strlen(tmp));
[49]	611	}
[900]	612	mr_free(tmp);
[94]	613
[900]	614	mr_asprintf(&tmp, "%s/ISODIR", bkpinfo->tmpdir);
[49]	615	write_one_liner_data_file(tmp, iso_path);
[900]	616	mr_free(tmp);
[49]	617	log_it("isodir: %s", iso_path);
[900]	618	mr_free(iso_path);
	619	mr_asprintf(&tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
[149]	620	write_one_liner_data_file(tmp, bkpinfo->prefix);
	621	log_it("iso-prefix: %s", bkpinfo->prefix);
[900]	622	mr_free(tmp);
[1]	623	/* End patch */
[49]	624	} // end of iso code
[1]	625
[49]	626	if (bkpinfo->backup_media_type == nfs) {
[900]	627	mr_asprintf(&hostname, bkpinfo->nfs_mount);
[49]	628	colon = strchr(hostname, ':');
	629	if (!colon) {
	630	log_it("nfs mount doesn't have a colon in it");
	631	retval++;
	632	} else {
	633	struct hostent *hent;
[1]	634
[49]	635	*colon = '\0';
	636	hent = gethostbyname(hostname);
	637	if (!hent) {
	638	log_it("Can't resolve NFS mount (%s): %s", hostname,
	639	hstrerror(h_errno));
	640	retval++;
	641	} else {
[900]	642	mr_asprintf(&ip_address, "%s%s", inet_ntoa((struct in_addr)
[127]	643	*((struct in_addr
	644	*) hent->
	645	h_addr)),
	646	strchr(bkpinfo->nfs_mount, ':'));
[900]	647	mr_allocstr(bkpinfo->nfs_mount, ip_address);
	648	mr_free(ip_address);
[49]	649	}
	650	}
[89]	651	store_nfs_config(bkpinfo);
[900]	652	mr_free(hostname);
[49]	653	}
[1]	654
[49]	655	log_it("Finished processing incoming params");
	656	if (retval) {
	657	fprintf(stderr, "Type 'man mondoarchive' for help.\n");
	658	}
[900]	659	mr_asprintf(&tmp, "%s", MONDO_TMPISOS);
[49]	660	if (does_file_exist(tmp)) {
	661	unlink(tmp);
	662	}
[900]	663	mr_free(tmp);
[94]	664
[49]	665	if (strlen(bkpinfo->tmpdir) < 2 \|\| strlen(bkpinfo->scratchdir) < 2) {
	666	log_it("tmpdir or scratchdir are blank/missing");
	667	retval++;
	668	}
[783]	669	if (bkpinfo->include_paths == NULL) {
[49]	670	// fatal_error ("Why no backup path?");
[900]	671	mr_asprintf(&bkpinfo->include_paths, "/");
[49]	672	}
	673	chmod(bkpinfo->scratchdir, 0700);
	674	chmod(bkpinfo->tmpdir, 0700);
	675	g_backup_media_type = bkpinfo->backup_media_type;
[900]	676	mr_allocstr(g_backup_media_string,bkpinfo->backup_media_string);
[49]	677	return (retval);
[1]	678	}
	679
	680
	681
	682	/**
	683	* Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
	684	* Seeds the random-number generator, loads important modules, checks the sanity
	685	* of the user's Linux distribution, and deletes logfile.
	686	* @param bkpinfo The backup information structure. Will be initialized.
	687	* @return number of errors (0 for success)
	688	*/
	689	int pre_param_configuration(struct s_bkpinfo *bkpinfo)
	690	{
[49]	691	int res = 0;
[1]	692
[49]	693	make_hole_for_dir(MNT_CDROM);
	694	assert(bkpinfo != NULL);
	695	srandom((unsigned long) (time(NULL)));
	696	insmod_crucial_modules();
	697	reset_bkpinfo(bkpinfo); // also sets defaults ('/'=backup path, 3=compression level)
	698	if (bkpinfo->disaster_recovery) {
	699	if (!does_nonMS_partition_exist()) {
	700	fatal_error
	701	("I am in disaster recovery mode\nPlease don't run mondoarchive.");
	702	}
	703	}
[1]	704
[49]	705	unlink(MONDO_TRACEFILE);
	706	run_program_and_log_output("rm -Rf /tmp/changed.files*", FALSE);
[94]	707	if ((g_mondo_home = find_and_store_mondoarchives_home()) == NULL) {
[49]	708	fprintf(stderr,
	709	"Cannot find Mondo's homedir. I think you have >1 'mondo' directory on your hard disk. Please delete the superfluous 'mondo' directories and try again\n");
	710	res++;
	711	return (res);
	712	}
	713	res += some_basic_system_sanity_checks();
	714	if (res) {
	715	log_it("Your distribution did not pass Mondo's sanity test.");
	716	}
	717	g_current_media_number = 1;
[688]	718	bkpinfo->postnuke_tarball = NULL;
[900]	719	mr_free(bkpinfo->nfs_mount);
[49]	720	return (res);
[1]	721	}
	722
	723
	724
	725
	726	/**
	727	* Reset all fields of the backup information structure to a sensible default.
	728	* @param bkpinfo The @c bkpinfo to reset.
	729	*/
[49]	730	void reset_bkpinfo(struct s_bkpinfo *bkpinfo)
[1]	731	{
[688]	732	int i = 0;
[1]	733
[49]	734	log_msg(1, "Hi");
[688]	735
[49]	736	assert(bkpinfo != NULL);
[688]	737	/* BERLIOS : Useless
[49]	738	memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
[688]	739	*/
	740
[49]	741	bkpinfo->manual_cd_tray = FALSE;
	742	bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
[688]	743	bkpinfo->boot_loader = '\0';
	744
[49]	745	for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
	746	bkpinfo->media_size[i] = -1;
	747	}
[688]	748
[900]	749	mr_free(bkpinfo->media_device);
	750	mr_free(bkpinfo->boot_device);
	751	mr_free(bkpinfo->zip_exe);
	752	mr_free(bkpinfo->zip_suffix);
	753	mr_free(bkpinfo->restore_path);
[49]	754	bkpinfo->use_lzo = FALSE;
	755	bkpinfo->verify_data = FALSE;
	756	bkpinfo->backup_data = FALSE;
	757	bkpinfo->restore_data = FALSE;
	758	bkpinfo->disaster_recovery =
	759	(am_I_in_disaster_recovery_mode()? TRUE : FALSE);
	760	if (bkpinfo->disaster_recovery) {
[900]	761	mr_allocstr(bkpinfo->isodir, "/");
[49]	762	} else {
[900]	763	mr_allocstr(bkpinfo->isodir, "/var/cache/mondo/iso");
[49]	764	}
[900]	765	mr_allocstr(bkpinfo->prefix, STD_PREFIX);
[1]	766
[900]	767	mr_free(bkpinfo->scratchdir);
[49]	768	bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
[900]	769	mr_free(bkpinfo->tmpdir);
	770	mr_asprintf(&bkpinfo->tmpdir, "/tmp/tmpfs/mondo.tmp.%d", (int) (random() % 32768)); // for mondorestore
[49]	771	bkpinfo->optimal_set_size = 0;
	772	bkpinfo->backup_media_type = none;
[900]	773	mr_free(bkpinfo->backup_media_string);
	774	mr_allocstr(bkpinfo->include_paths, "/");
	775	mr_free(bkpinfo->exclude_paths);
	776	mr_free(bkpinfo->call_before_iso);
	777	mr_free(bkpinfo->call_make_iso);
	778	mr_free(bkpinfo->call_burn_iso);
	779	mr_free(bkpinfo->call_after_iso);
	780	mr_free(bkpinfo->image_devs);
	781	mr_free(bkpinfo->postnuke_tarball);
	782	mr_free(bkpinfo->kernel_path);
	783	mr_free(bkpinfo->nfs_mount);
	784	mr_free(bkpinfo->nfs_remote_dir);
[49]	785	bkpinfo->wipe_media_first = FALSE;
	786	bkpinfo->differential = FALSE;
	787	bkpinfo->cdrw_speed = 0;
[1]	788	// patch by Herman Kuster
[49]	789	bkpinfo->differential = 0;
[1]	790	// patch end
[49]	791	bkpinfo->compression_level = 3;
[1]	792	}
	793
	794
	795	/**
	796	* Get the remaining free space (in MB) on @p partition.
	797	* @param partition The partition to check free space on (either a device or a mountpoint).
	798	* @return The free space on @p partition, in MB.
	799	*/
[49]	800	long free_space_on_given_partition(char *partition)
[1]	801	{
[688]	802	char *command = NULL;
	803	char *out_sz = NULL;
[49]	804	long res;
[1]	805
[49]	806	assert_string_is_neither_NULL_nor_zerolength(partition);
[1]	807
[900]	808	mr_asprintf(&command, "df -m -P %s &> /dev/null", partition);
[49]	809	if (system(command)) {
	810	return (-1);
	811	} // partition does not exist
[900]	812	mr_free(command);
[94]	813
[900]	814	mr_asprintf(&command, "df -m -P %s \| tail -n1 \| tr -s ' ' '\t' \| cut -f4",
[127]	815	partition);
[688]	816	out_sz = call_program_and_get_last_line_of_output(command);
[900]	817	mr_free(command);
[49]	818	if (strlen(out_sz) == 0) {
	819	return (-1);
	820	} // error within df, probably
	821	res = atol(out_sz);
[900]	822	mr_free(out_sz);
[49]	823	return (res);
[1]	824	}
	825
	826
	827
	828	/**
	829	* Check the user's system for sanity. Checks performed:
	830	* - make sure user has enough RAM (32mb required, 64mb recommended)
	831	* - make sure user has enough free space in @c /
	832	* - check kernel for ramdisk support
	833	* - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
	834	* - make sure CD-ROM is unmounted
	835	* - make sure /etc/modules.conf exists
	836	* - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
	837	*
	838	* @return number of problems with the user's setup (0 for success)
	839	*/
[49]	840	int some_basic_system_sanity_checks()
[1]	841	{
	842
[49]	843	/@ buffers *********** */
[689]	844	char *tmp = NULL;
[1]	845
[49]	846	/@ int's ************** */
	847	int retval = 0;
	848	long Lres;
[1]	849
	850
[49]	851	mvaddstr_and_log_it(g_currentY, 0,
	852	"Checking sanity of your Linux distribution");
[1]	853	#ifndef __FreeBSD__
[49]	854	if (system("which mkfs.vfat &> /dev/null")
	855	&& !system("which mkfs.msdos &> /dev/null")) {
	856	log_it
	857	("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
	858	run_program_and_log_output
	859	("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
	860	}
[688]	861	tmp = call_program_and_get_last_line_of_output
	862	("free \| grep Mem \| head -n1 \| tr -s ' ' '\t' \| cut -f2");
[49]	863	if (atol(tmp) < 35000) {
	864	retval++;
[507]	865	log_to_screen(_("You must have at least 32MB of RAM to use Mondo."));
[49]	866	}
	867	if (atol(tmp) < 66000) {
	868	log_to_screen
[507]	869	(_("WARNING! You have very little RAM. Please upgrade to 64MB or more."));
[49]	870	}
[900]	871	mr_free(tmp);
[1]	872	#endif
	873
[539]	874	if ((Lres = free_space_on_given_partition("/var/cache/mondo")) == -1) /* {
[49]	875	Lres = free_space_on_given_partition("/");
	876	}
[539]	877	*/
[49]	878	log_it("Free space on given partition = %ld MB", Lres);
[1]	879
[49]	880	if (Lres < 50) {
[539]	881	fatal_error("Your /var/cache/mondo partition has <50MB free. Please adjust your partition table to something saner.");
[49]	882	}
[1]	883
[49]	884	if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
	885	retval++;
	886	log_to_screen
	887	("Unable to find " MKE2FS_OR_NEWFS " in system path.");
	888	fatal_error
	889	("Please use \"su -\", not \"su\" to become root. OK? ...and please don't e-mail the mailing list or me about this. Just read the message. :)");
	890	}
[1]	891	#ifndef __FreeBSD__
[49]	892	if (run_program_and_log_output
[274]	893	("grep ramdisk /proc/devices", FALSE)) {
[49]	894	if (!ask_me_yes_or_no
[507]	895	(_("Your kernel has no ramdisk support. That's mind-numbingly stupid but I'll allow it if you're planning to use a failsafe kernel. Are you?")))
[49]	896	{
	897	// retval++;
	898	log_to_screen
[507]	899	(_("It looks as if your kernel lacks ramdisk and initrd support."));
[49]	900	log_to_screen
[507]	901	(_("I'll allow you to proceed but FYI, if I'm right, your kernel is broken."));
[49]	902	}
	903	}
[1]	904	#endif
[49]	905	retval += whine_if_not_found(MKE2FS_OR_NEWFS);
	906	retval += whine_if_not_found("mkisofs");
	907	if (system("which dvdrecord > /dev/null 2> /dev/null")) {
	908	retval += whine_if_not_found("cdrecord");
	909	}
	910	retval += whine_if_not_found("bzip2");
	911	retval += whine_if_not_found("awk");
	912	retval += whine_if_not_found("md5sum");
	913	retval += whine_if_not_found("strings");
	914	retval += whine_if_not_found("mindi");
	915	retval += whine_if_not_found("buffer");
[1]	916
[49]	917	// abort if Windows partition but no ms-sys and parted
	918	if (!run_program_and_log_output
[687]	919	("mount \| grep -w vfat \| grep -vE \"/dev/fd\|nexdisk\"", 0)
[49]	920	\|\|
	921	!run_program_and_log_output
[687]	922	("mount \| grep -w dos \| grep -vE \"/dev/fd\|nexdisk\"", 0)) {
[507]	923	log_to_screen(_("I think you have a Windows 9x partition."));
[49]	924	retval += whine_if_not_found("parted");
[1]	925	#ifndef __IA64__
[49]	926	/* IA64 always has one vfat partition for EFI even without Windows */
	927	// retval +=
[689]	928	tmp = find_home_of_exe("ms-sys");
	929	if (!tmp) {
[507]	930	log_to_screen(_("Please install ms-sys just in case."));
[49]	931	}
[900]	932	mr_free(tmp);
[49]	933	#endif
[1]	934	}
	935
[689]	936	tmp = find_home_of_exe("cmp");
	937	if (!tmp) {
	938	whine_if_not_found("cmp");
[1]	939	}
[900]	940	mr_free(tmp);
[689]	941
[49]	942	run_program_and_log_output
	943	("umount `mount \| grep cdr \| cut -d' ' -f3 \| tr '\n' ' '`", 5);
[688]	944	tmp = call_program_and_get_last_line_of_output("mount \| grep -E \"cdr(om\|w)\"");
[49]	945	if (strcmp("", tmp)) {
	946	if (strstr(tmp, "autofs")) {
	947	log_to_screen
[507]	948	(_("Your CD-ROM is mounted via autofs. I therefore cannot tell"));
[49]	949	log_to_screen
[507]	950	(_("if a CD actually is inserted. If a CD is inserted, please"));
	951	log_to_screen(_("eject it. Thank you."));
[49]	952	log_it
	953	("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
	954	} else
	955	if (run_program_and_log_output("uname -a \| grep Knoppix", 5)) {
	956	retval++;
	957	fatal_error
	958	("Your CD-ROM drive is mounted. Please unmount it.");
	959	}
	960	}
[900]	961	mr_free(tmp);
[1]	962	#ifndef __FreeBSD__
[49]	963	if (!does_file_exist("/etc/modules.conf")) {
	964	if (does_file_exist("/etc/conf.modules")) {
	965	log_it("Linking /etc/modules.conf to /etc/conf.modules");
	966	run_program_and_log_output
	967	("ln -sf /etc/conf.modules /etc/modules.conf", 5);
	968	} else if (does_file_exist("/etc/modprobe.d")) {
	969	log_it
	970	("Directory /etc/modprobe.d found. mindi will use its contents.");
	971	} else if (does_file_exist("/etc/modprobe.conf")) {
	972	log_it("Linking /etc/modules.conf to /etc/modprobe.conf");
	973	run_program_and_log_output
	974	("ln -sf /etc/modprobe.conf /etc/modules.conf", 5);
	975	} else {
	976	retval++;
	977	log_to_screen
[507]	978	(_("Please find out what happened to /etc/modules.conf"));
[49]	979	}
[1]	980	}
	981	#endif
	982
[49]	983	run_program_and_log_output("cat /etc/fstab", 5);
[1]	984	#ifdef __FreeBSD__
[49]	985	run_program_and_log_output("vinum printconfig", 5);
[1]	986	#else
[49]	987	run_program_and_log_output("cat /etc/raidtab", 5);
[1]	988	#endif
	989
[49]	990	if (run_program_and_log_output("mindi -V", 1)) {
[507]	991	log_to_screen(_("Could not ascertain mindi's version number."));
[49]	992	log_to_screen
[507]	993	(_("You have not installed Mondo and/or Mindi properly."));
	994	log_to_screen(_("Please uninstall and reinstall them both."));
[49]	995	fatal_error("Please reinstall Mondo and Mindi.");
	996	}
	997	if (run_program_and_log_output
	998	("mindi --makemountlist /tmp/mountlist.txt.test", 5)) {
	999	log_to_screen
[507]	1000	(_("Mindi --makemountlist /tmp/mountlist.txt.test failed for some reason."));
[49]	1001	log_to_screen
[507]	1002	(_("Please run that command by hand and examine /var/log/mindi.log"));
[49]	1003	log_to_screen
[507]	1004	(_("for more information. Perhaps your /etc/fstab file is insane."));
[49]	1005	log_to_screen
[507]	1006	(_("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see."));
[49]	1007	retval++;
	1008	}
[1]	1009
[197]	1010	if (!run_program_and_log_output("parted2fdisk -l \| grep -i raid", 1)
[49]	1011	&& !does_file_exist("/etc/raidtab")) {
	1012	log_to_screen
[507]	1013	(_("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat"));
[561]	1014	create_raidtab_from_mdstat("/etc/raidtab");
[49]	1015	}
	1016
	1017	if (retval) {
[507]	1018	mvaddstr_and_log_it(g_currentY++, 74, _("Failed."));
[49]	1019	} else {
[507]	1020	mvaddstr_and_log_it(g_currentY++, 74, _("Done."));
[49]	1021	}
	1022	return (retval);
[1]	1023	}
	1024
	1025	/**
	1026	* Retrieve the line containing @p label from the config file.
	1027	* @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg.
	1028	* @param label What to read from the file.
	1029	* @param value Where to put it.
	1030	* @return 0 for success, 1 for failure.
	1031	*/
[49]	1032	int read_cfg_var(char config_file, char label, char *value)
[1]	1033	{
[49]	1034	/@ buffer ***************************************************** */
[688]	1035	char *command = NULL;
	1036	char *tmp = NULL;
[1]	1037
[49]	1038	/@ end vars ************************************************** */
[1]	1039
[49]	1040	assert_string_is_neither_NULL_nor_zerolength(config_file);
	1041	assert_string_is_neither_NULL_nor_zerolength(label);
[688]	1042
[49]	1043	if (!does_file_exist(config_file)) {
[900]	1044	mr_asprintf(&tmp, "(read_cfg_var) Cannot find %s config file",
[127]	1045	config_file);
[49]	1046	log_to_screen(tmp);
[900]	1047	mr_free(tmp);
[688]	1048	value = NULL;
[49]	1049	return (1);
[783]	1050	/* } BERLIOS: Useless:
	1051	else if (strstr(value, "/dev/") && strstr(value, "t0")
[49]	1052	&& !strcmp(label, "media-dev")) {
	1053	log_msg(2, "FYI, I shan't read new value for %s - already got %s",
	1054	label, value);
	1055	return (0);
[783]	1056	*/ } else {
[900]	1057	mr_asprintf(&command, "grep '%s .*' %s\| cut -d' ' -f2,3,4,5",
[149]	1058	label, config_file);
[688]	1059	value = call_program_and_get_last_line_of_output(command);
[900]	1060	mr_free(command);
[49]	1061	if (strlen(value) == 0) {
	1062	return (1);
	1063	} else {
	1064	return (0);
	1065	}
[1]	1066	}
	1067	}
	1068
	1069
	1070	/**
	1071	* Remount @c supermount if it was unmounted earlier.
	1072	*/
	1073	void remount_supermounts_if_necessary()
	1074	{
[49]	1075	if (g_remount_cdrom_at_end) {
	1076	run_program_and_log_output("mount " MNT_CDROM, FALSE);
	1077	}
	1078	if (g_remount_floppy_at_end) {
	1079	run_program_and_log_output("mount " MNT_FLOPPY, FALSE);
	1080	}
[1]	1081	}
	1082
	1083	/**
	1084	* Unmount @c supermount if it's mounted.
	1085	*/
	1086	void unmount_supermounts_if_necessary()
	1087	{
[49]	1088	if (run_program_and_log_output
	1089	("mount \| grep cdrom \| grep super", FALSE) == 0) {
	1090	g_remount_cdrom_at_end = TRUE;
	1091	run_program_and_log_output("umount " MNT_CDROM, FALSE);
	1092	}
	1093	if (run_program_and_log_output
	1094	("mount \| grep floppy \| grep super", FALSE) == 0) {
	1095	g_remount_floppy_at_end = TRUE;
	1096	run_program_and_log_output("umount " MNT_FLOPPY, FALSE);
	1097	}
[1]	1098	}
	1099
	1100	/**
	1101	* If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
	1102	*/
	1103	void mount_boot_if_necessary()
	1104	{
[94]	1105	char *tmp;
	1106	char *tmp1;
	1107	char *command;
[1]	1108
[49]	1109	log_msg(1, "Started sub");
[783]	1110	log_msg(4, "Setting command to something");
[900]	1111	mr_asprintf(&command,
[914]	1112	"grep -v ':' /etc/fstab \| grep -vE '^#.*$' \| grep -E \"[ ]/boot[ ]\" \| tr -s ' ' '\t' \| cut -f1 \| head -n1");
[49]	1113	log_msg(4, "Cool. Command = '%s'", command);
[688]	1114	tmp = call_program_and_get_last_line_of_output(command);
[900]	1115	mr_free(command);
[94]	1116
[49]	1117	log_msg(4, "tmp = '%s'", tmp);
[688]	1118	if (tmp) {
[49]	1119	log_it("/boot is at %s according to /etc/fstab", tmp);
	1120	if (strstr(tmp, "LABEL=")) {
	1121	if (!run_program_and_log_output("mount /boot", 5)) {
[900]	1122	mr_free(g_boot_mountpt);
	1123	mr_asprintf(&g_boot_mountpt, "/boot");
[49]	1124	log_msg(1, "Mounted /boot");
	1125	} else {
	1126	log_it("...ignored cos it's a label :-)");
	1127	}
	1128	} else {
[914]	1129	mr_asprintf(&command, "mount \| grep -E '^%s'", tmp);
[49]	1130	log_msg(3, "command = %s", command);
	1131	if (run_program_and_log_output(command, 5)) {
[900]	1132	mr_free(g_boot_mountpt);
	1133	mr_asprintf(&g_boot_mountpt, tmp);
	1134	mr_asprintf(&tmp1,
[127]	1135	"%s (your /boot partition) is not mounted. I'll mount it before backing up",
	1136	g_boot_mountpt);
[94]	1137	log_it(tmp1);
[900]	1138	mr_free(tmp1);
[94]	1139
[900]	1140	mr_asprintf(&tmp1, "mount %s", g_boot_mountpt);
[94]	1141	if (run_program_and_log_output(tmp1, 5)) {
[783]	1142	/* BERLIOS: Useless ???
[900]	1143	mr_free(g_boot_mountpt);
	1144	mr_asprintf(&g_boot_mountpt, " ");
[783]	1145	*/
[49]	1146	log_msg(1, "Plan B");
	1147	if (!run_program_and_log_output("mount /boot", 5)) {
[900]	1148	mr_free(g_boot_mountpt);
	1149	mr_asprintf(&g_boot_mountpt, "/boot");
[49]	1150	log_msg(1, "Plan B worked");
	1151	} else {
	1152	log_msg(1,
	1153	"Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
	1154	}
	1155	}
[900]	1156	mr_free(tmp1);
[49]	1157	}
[900]	1158	mr_free(command);
[49]	1159	}
[1]	1160	}
[900]	1161	mr_free(tmp);
[49]	1162	log_msg(1, "Ended sub");
[1]	1163	}
	1164
	1165
	1166	/**
	1167	* If we mounted /boot earlier, unmount it.
	1168	*/
	1169	void unmount_boot_if_necessary()
	1170	{
[94]	1171	char *tmp;
[1]	1172
[49]	1173	log_msg(3, "starting");
[783]	1174	if (g_boot_mountpt != NULL) {
[900]	1175	mr_asprintf(&tmp, "umount %s", g_boot_mountpt);
[49]	1176	if (run_program_and_log_output(tmp, 5)) {
	1177	log_it("WARNING - unable to unmount /boot");
	1178	}
[900]	1179	mr_free(tmp);
[49]	1180	}
	1181	log_msg(3, "leaving");
[1]	1182	}
	1183
	1184
	1185
	1186	/**
	1187	* Write a line to a configuration file. Writes a line of the form,
	1188	* @c label @c value.
	1189	* @param config_file The file to write to. Usually @c mondo-restore.cfg.
	1190	* @param label What to call this bit of data you're writing.
	1191	* @param value The bit of data you're writing.
	1192	* @return 0 for success, 1 for failure.
	1193	*/
[49]	1194	int write_cfg_var(char config_file, char label, char *value)
[1]	1195	{
[49]	1196	/@ buffers **************************************************** */
[94]	1197	char *command;
	1198	char *tempfile;
	1199	char *tmp;
[1]	1200
	1201
[49]	1202	/@ end vars ************************************************** */
	1203	assert_string_is_neither_NULL_nor_zerolength(config_file);
	1204	assert_string_is_neither_NULL_nor_zerolength(label);
	1205	assert(value != NULL);
[94]	1206
[49]	1207	if (!does_file_exist(config_file)) {
[900]	1208	mr_asprintf(&tmp, "(write_cfg_file) Cannot find %s config file",
[127]	1209	config_file);
[49]	1210	log_to_screen(tmp);
[900]	1211	mr_free(tmp);
[49]	1212	return (1);
	1213	}
[688]	1214	tempfile = call_program_and_get_last_line_of_output
	1215	("mktemp -q /tmp/mojo-jojo.blah.XXXXXX");
[49]	1216	if (does_file_exist(config_file)) {
[914]	1217	mr_asprintf(&command, "grep -vE '^%s .*$' %s > %s",
[149]	1218	label, config_file, tempfile);
[49]	1219	paranoid_system(command);
[900]	1220	mr_free(command);
[49]	1221	}
[900]	1222	mr_asprintf(&command, "echo \"%s %s\" >> %s", label, value, tempfile);
[49]	1223	paranoid_system(command);
[900]	1224	mr_free(command);
[94]	1225
[900]	1226	mr_asprintf(&command, "mv -f %s %s", tempfile, config_file);
[49]	1227	paranoid_system(command);
[900]	1228	mr_free(command);
[49]	1229	unlink(tempfile);
[900]	1230	mr_free(tempfile);
[49]	1231	return (0);
[1]	1232	}
	1233
	1234	/**
	1235	* Allocate or free important globals, depending on @p mal.
	1236	* @param mal If TRUE, malloc; if FALSE, free.
	1237	*/
	1238	void do_libmondo_global_strings_thing(int mal)
	1239	{
[49]	1240	if (mal) {
	1241	iamhere("Malloc'ing globals");
[688]	1242	g_erase_tmpdir_and_scratchdir = NULL;
[49]	1243	malloc_string(g_serial_string);
	1244	} else {
	1245	iamhere("Freeing globals");
[900]	1246	mr_free(g_boot_mountpt);
	1247	mr_free(g_mondo_home);
	1248	mr_free(g_tmpfs_mountpt);
	1249	mr_free(g_erase_tmpdir_and_scratchdir);
	1250	mr_free(g_serial_string);
	1251	mr_free(g_magicdev_command);
[49]	1252	}
[1]	1253	}
	1254
	1255	/**
	1256	* Allocate important globals.
	1257	* @see do_libmondo_global_strings_thing
	1258	*/
	1259	void malloc_libmondo_global_strings(void)
	1260	{
[49]	1261	do_libmondo_global_strings_thing(1);
[1]	1262	}
	1263
	1264	/**
	1265	* Free important globals.
	1266	* @see do_libmondo_global_strings_thing
	1267	*/
	1268	void free_libmondo_global_strings(void)
	1269	{
[49]	1270	do_libmondo_global_strings_thing(0);
[1]	1271	}
	1272
	1273
	1274
	1275	/**
	1276	* Stop @c magicdev if it's running.
	1277	* The command used to start it is saved in @p g_magicdev_command.
	1278	*/
	1279	void stop_magicdev_if_necessary()
	1280	{
[688]	1281	g_magicdev_command = call_program_and_get_last_line_of_output
	1282	("ps ax \| grep -w magicdev \| grep -v grep \| tr -s '\t' ' '\| cut -d' ' -f6-99");
	1283	if (g_magicdev_command) {
[49]	1284	log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
	1285	paranoid_system("killall magicdev");
	1286	}
[1]	1287	}
	1288
	1289
	1290	/**
	1291	* Restart magicdev if it was stopped.
	1292	*/
	1293	void restart_magicdev_if_necessary()
	1294	{
[688]	1295	char *tmp = NULL;
[49]	1296
[688]	1297	if (!g_magicdev_command) {
[900]	1298	mr_asprintf(&tmp, "%s &", g_magicdev_command);
[49]	1299	paranoid_system(tmp);
[900]	1300	mr_free(tmp);
[49]	1301	}
[1]	1302	}
	1303
	1304	/* @} - end of utilityGroup */

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