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source: MondoRescue/trunk/mondo/mondo/common/libmondo-tools.c@ 689

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Last change on this file since 689 was 689, checked in by bcornec, 18 years ago
Still other memory management improvements ( I hope :-)
Property svn:keywords set to `Id`
File size: 35.8 KB

Rev	Line
[58]	1	/* $Id: libmondo-tools.c 689 2006-07-17 17:43:58Z bcornec $
	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
[1]	23
	24	/@unused@/
[49]	25	//static char cvsid[] = "$Id: libmondo-tools.c 689 2006-07-17 17:43:58Z bcornec $";
[1]	26
	27	extern int g_tape_buffer_size_MB;
	28	extern char *g_erase_tmpdir_and_scratchdir;
	29	extern char *g_serial_string;
	30	extern bool g_text_mode;
	31	extern int g_currentY;
	32	extern int g_current_media_number;
	33
	34	/**
	35	* @addtogroup globalGroup
	36	* @{
	37	*/
[49]	38	bool g_remount_cdrom_at_end, ///< TRUE if we unmounted the CD-ROM and should remount it when done with the backup.
	39	g_remount_floppy_at_end; ///< TRUE if we unmounted the floppy and should remount it when done with the backup.
	40	bool g_cd_recovery; ///< TRUE if we're making an "autonuke" backup.
[1]	41	double g_kernel_version;
	42
	43	/**
[94]	44	* The place where /boot is mounted. - Used locally only
[1]	45	*/
[94]	46	static char *g_boot_mountpt = NULL;
[1]	47
	48	/**
	49	* The location of Mondo's home directory.
	50	*/
[49]	51	char *g_mondo_home = NULL;
[1]	52
	53	/**
	54	* The serial string (used to differentiate between backups) of the current backup.
	55	*/
[49]	56	char *g_serial_string = NULL;
[1]	57
	58	/**
	59	* The location where tmpfs is mounted, or "" if it's not mounted.
	60	*/
[49]	61	char *g_tmpfs_mountpt = NULL;
	62	char *g_magicdev_command = NULL;
[1]	63
	64	/**
	65	* The default maximum level to log messages at or below.
	66	*/
[49]	67	int g_loglevel = DEFAULT_DEBUG_LEVEL;
[1]	68
	69	/* @} - end of globalGroup */
	70
	71
	72	extern pid_t g_buffer_pid;
	73	extern pid_t g_main_pid;
	74
	75	extern t_bkptype g_backup_media_type;
	76
	77	extern bool am_I_in_disaster_recovery_mode(void);
	78
	79
	80	/**
	81	* @addtogroup utilityGroup
	82	* @{
	83	*/
	84	/**
	85	* Assertion handler. Prints a friendly message to the user,
	86	* offering to ignore all, dump core, break to debugger,
	87	* exit, or ignore. Intended to be used with an assert() macro.
	88	*
	89	* @param file The file in which the assertion triggered.
	90	* @param function The function (@c __FUNCTION__) in which the assertion triggered.
	91	* @param line The line number of the assert() statement.
	92	* @param exp The expression that failed (as a string).
	93	*/
[49]	94	void _mondo_assert_fail(const char *file,
	95	const char function, int line, const char exp)
[1]	96	{
[49]	97	static int ignoring_assertions = 0;
	98	bool is_valid = TRUE;
[1]	99
[49]	100	log_it("ASSERTION FAILED: `%s' at %s:%d in %s", exp, file, line,
	101	function);
	102	if (ignoring_assertions) {
	103	log_it("Well, the user doesn't care...");
	104	return;
	105	}
[1]	106	#ifndef _XWIN
[49]	107	if (!g_text_mode)
	108	newtSuspend();
[1]	109	#endif
[507]	110	printf(_("ASSERTION FAILED: `%s'\n"), exp);
	111	printf(_("\tat %s:%d in %s\n\n"), file, line, function);
	112	printf(_("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? "));
[49]	113	do {
	114	is_valid = TRUE;
	115	switch (toupper(getchar())) {
	116	case 'A': // ignore (A)ll
	117	ignoring_assertions = 1;
	118	break;
	119	case 'B': // a(B)ort
	120	signal(SIGABRT, SIG_DFL); /* prevent SIGABRT handler from running */
	121	raise(SIGABRT);
	122	break; /* "can't get here" */
	123	case 'D': // (D)ebug, aka asm("int 3")
[1]	124	#ifdef __IA32__
[49]	125	__asm__ __volatile__("int $3"); // break to debugger
[1]	126	#endif
[49]	127	break;
	128	case 'E': // (E)xit
	129	fatal_error("Failed assertion -- see above for details");
	130	break; /* "can't get here" */
	131	case 'I': // (I)gnore
	132	break;
	133	/* These next two work as follows:
	134	the `default' catches the user's invalid choice and says so;
	135	the '\n' catches the newline on the end and prints the prompt again.
	136	*/
	137	case '\n':
	138	printf
[507]	139	(_("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? "));
[49]	140	break;
	141	default:
	142	is_valid = FALSE;
[507]	143	printf(_("Invalid choice.\n"));
[49]	144	break;
	145	}
	146	} while (!is_valid);
	147
	148	if (ignoring_assertions) {
	149	log_it("Ignoring ALL assertions from now on.");
	150	} else {
	151	log_it("Ignoring assertion: %s", exp);
[1]	152	}
	153
[49]	154	getchar(); // skip \n
[1]	155
	156	#ifndef _XWIN
[49]	157	if (!g_text_mode)
	158	newtResume();
[1]	159	#endif
	160	}
	161
	162	/**
	163	* Clean's up users' KDE desktops.
	164	* @bug Details about this function are unknown.
	165	*/
	166	void clean_up_KDE_desktop_if_necessary(void)
	167	{
[49]	168	char *tmp;
[1]	169
[94]	170	asprintf(&tmp,
[127]	171	"for i in `find /root /home -type d -name Desktop -maxdepth 2`; do \
[1]	172	file=$i/.directory; if [ -f \"$file\" ] ; then mv -f $file $file.old ; \
[274]	173	awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } \
[276]	174	else { print $0;};}' $file.old > $file ; fi ; done");
[49]	175	run_program_and_log_output(tmp, 5);
	176	paranoid_free(tmp);
[1]	177	}
	178
	179
	180	/**
	181	* Locate mondoarchive's home directory. Searches in /usr/local/mondo, /usr/share/mondo,
	182	* /usr/local/share/mondo, /opt, or if all else fails, search /usr.
	183	*
	184	* @param home_sz String to store the home directory ("" if it could not be found).
	185	* @return 0 for success, nonzero for failure.
	186	*/
[94]	187	char *find_and_store_mondoarchives_home()
[1]	188	{
[94]	189	char *home_sz = NULL;
	190
[426]	191	asprintf(&home_sz, MONDO_SHARE);
[94]	192	return (home_sz);
[1]	193	}
	194
	195
	196	char *get_architecture()
	197	{
	198	#ifdef __IA32__
[49]	199	return ("i386");
[1]	200	#endif
[94]	201	#ifdef __X86_64__
	202	return ("x86-64");
	203	#endif
[1]	204	#ifdef __IA64__
[49]	205	return ("ia64");
[1]	206	#endif
[49]	207	return ("unknown");
[1]	208	}
	209
	210
	211
	212	double get_kernel_version()
	213	{
[94]	214	char p, tmp;
[49]	215	double d;
[1]	216	#ifdef __FreeBSD__
[49]	217	// JOSH - FIXME :)
	218	d = 5.2; // :-)
[1]	219	#else
[688]	220	tmp = call_program_and_get_last_line_of_output("uname -r");
[49]	221	p = strchr(tmp, '.');
	222	if (p) {
	223	p = strchr(++p, '.');
	224	if (p) {
	225	while (*p) {
	226	p = (p + 1);
	227	p++;
	228	}
	229	}
	230	}
[1]	231	// log_msg(1, "tmp = '%s'", tmp);
[49]	232	d = atof(tmp);
[1]	233	#endif
[49]	234	log_msg(1, "g_kernel_version = %f", d);
	235	return (d);
[1]	236	}
	237
	238
	239
	240
	241
	242	/**
	243	* Get the current time.
	244	* @return number of seconds since the epoch.
	245	*/
[49]	246	long get_time()
[1]	247	{
[49]	248	return (long) time((void *) 0);
[1]	249	}
	250
	251
	252
	253
	254
	255
	256
	257	/**
	258	* Initialize a RAID volume structure, setting fields to zero. The
	259	* actual hard drive is unaffected.
	260	*
	261	* @param raidrec The RAID volume structure to initialize.
	262	* @note This function is system dependent.
	263	*/
	264	#ifdef __FreeBSD__
[49]	265	void initialize_raidrec(struct vinum_volume *raidrec)
[1]	266	{
[49]	267	int i, j;
	268	raidrec->volname[0] = '\0';
	269	raidrec->plexes = 0;
	270	for (i = 0; i < 9; ++i) {
	271	raidrec->plex[i].raidlevel = -1;
	272	raidrec->plex[i].stripesize = 0;
	273	raidrec->plex[i].subdisks = 0;
	274	for (j = 0; j < 9; ++j) {
	275	strcpy(raidrec->plex[i].sd[j].which_device, "");
	276	}
	277	}
[1]	278	}
	279	#else
[49]	280	void initialize_raidrec(struct raid_device_record *raidrec)
[1]	281	{
[49]	282	assert(raidrec != NULL);
	283	raidrec->raid_device[0] = '\0';
[561]	284	raidrec->raid_level = -9;
[49]	285	raidrec->persistent_superblock = 1;
[561]	286	raidrec->chunk_size = 64;
	287	raidrec->parity = -1;
[49]	288	raidrec->data_disks.entries = 0;
	289	raidrec->spare_disks.entries = 0;
	290	raidrec->parity_disks.entries = 0;
	291	raidrec->failed_disks.entries = 0;
	292	raidrec->additional_vars.entries = 0;
[1]	293	}
	294	#endif
	295
	296
	297
	298
	299	/**
	300	* Insert modules that Mondo requires.
	301	* Currently inserts @c dos, @c fat, @c vfat, and @c osst for Linux;
	302	* @c msdosfs and @c ext2fs for FreeBSD.
	303	*/
	304	void insmod_crucial_modules(void)
	305	{
	306	#ifdef __FreeBSD__
[49]	307	system("kldstat \| grep msdosfs \|\| kldload msdosfs 2> /dev/null");
	308	system("kldstat \| grep ext2fs \|\| kldload ext2fs 2> /dev/null");
[1]	309	#else
[94]	310	system("modprobe -a dos fat vfat loop &> /dev/null");
[1]	311	#endif
	312	}
	313
	314
	315	/**
	316	* Finish configuring the backup information structure. Call this function
	317	* to set the parameters that depend on those that can be given on the command
	318	* line.
	319	*
	320	* @param bkpinfo The backup information structure. Fields modified/used:
	321	* - Used: @c bkpinfo->backup_data
	322	* - Used: @c bkpinfo->backup_media_type
	323	* - Used: @c bkpinfo->cdrw_speed
	324	* - Used: @c bkpinfo->compression_level
	325	* - Used: @c bkpinfo->include_paths
[20]	326	* - Used: @c bkpinfo->prefix
[1]	327	* - Used: @c bkpinfo->isodir
	328	* - Used: @c bkpinfo->manual_cd_tray
	329	* - Used: @c bkpinfo->make_cd_use_lilo
	330	* - Used: @c bkpinfo->media_device
	331	* - Used: @c bkpinfo->nfs_mount
	332	* - Used: @c bkpinfo->nonbootable_backup
	333	* - Used: @c bkpinfo->scratchdir
	334	* - Used: @c bkpinfo->tmpdir
	335	* - Used: @c bkpinfo->use_lzo
	336	* - Modified: @c bkpinfo->call_before_iso
	337	* - Modified: @c bkpinfo->call_make_iso
	338	* - Modified: @c bkpinfo->optimal_set_size
	339	* - Modified: @c bkpinfo->zip_exe
	340	* - Modified: @c bkpinfo->zip_suffix
	341	*
	342	* @return number of errors, or 0 for success.
	343	* @note Also creates directories that are specified in the @c bkpinfo structure but
	344	* do not exist.
	345	*/
[49]	346	int post_param_configuration(struct s_bkpinfo *bkpinfo)
[1]	347	{
[94]	348	char *extra_cdrom_params = NULL;
	349	char *mondo_mkisofs_sz = NULL;
[689]	350	char *command = NULL;
	351	char hostname = NULL, ip_address = NULL;
[49]	352	int retval = 0;
	353	long avm = 0;
[689]	354	char *colon = NULL;
	355	char *cdr_exe = NULL;
	356	char *tmp = NULL;
	357	char *tmp1 = NULL;
[164]	358	char call_before_iso_user[MAX_STR_LEN] = "\0";
[49]	359	int rdsiz_MB;
[689]	360	char *iso_path = NULL;
[1]	361
[49]	362	assert(bkpinfo != NULL);
	363	bkpinfo->optimal_set_size =
[687]	364	(IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 16 : 16) *
[49]	365	1024;
[1]	366
[49]	367	log_msg(1, "Foo");
	368	if (bkpinfo->backup_media_type == tape) {
	369	log_msg(1, "Bar");
[94]	370	asprintf(&tmp, "mt -f %s status", bkpinfo->media_device);
[49]	371	log_msg(1, "tmp = '%s'", tmp);
	372	if (run_program_and_log_output(tmp, 3)) {
	373	fatal_error
	374	("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.");
	375	}
[94]	376	paranoid_free(tmp);
[1]	377	}
[49]	378	make_hole_for_dir(bkpinfo->scratchdir);
	379	make_hole_for_dir(bkpinfo->tmpdir);
	380	if (bkpinfo->backup_media_type == iso)
	381	make_hole_for_dir(bkpinfo->isodir);
[1]	382
[49]	383	run_program_and_log_output("uname -a", 5);
[687]	384	run_program_and_log_output("cat /etc/*-release", 5);
[49]	385	run_program_and_log_output("cat /etc/issue", 5);
[94]	386	asprintf(&g_tmpfs_mountpt, "%s/tmpfs", bkpinfo->tmpdir);
	387	asprintf(&command, "mkdir -p %s", g_tmpfs_mountpt);
[49]	388	paranoid_system(command);
[94]	389	paranoid_free(command);
[49]	390	rdsiz_MB = PPCFG_RAMDISK_SIZE + g_tape_buffer_size_MB;
[1]	391	#ifdef __FreeBSD__
[688]	392	tmp = call_program_and_get_last_line_of_output
	393	("vmstat \| tail -1 \| tr -s ' ' \| cut -d' ' -f6");
[49]	394	avm += atol(tmp);
[94]	395	paranoid_free(tmp);
[688]	396	tmp = call_program_and_get_last_line_of_output
	397	("swapinfo \| grep -v Device \| tr -s ' ' \| cut -d' ' -f4 \| tr '\n' '+' \| sed 's/+$//' \| bc");
[49]	398	avm += atol(tmp);
[94]	399	paranoid_free(tmp);
	400	asprintf(&command, "mdmfs -s %d%c md9 %s", rdsiz_MB, 'm',
[127]	401	g_tmpfs_mountpt);
[1]	402	#else
[688]	403	tmp = call_program_and_get_last_line_of_output
	404	("free \| grep \":\" \| tr -s ' ' '\t' \| cut -f2 \| head -n1");
[49]	405	avm += atol(tmp);
[94]	406	paranoid_free(tmp);
	407	asprintf(&command, "mount /dev/shm -t tmpfs %s -o size=%d%c",
[127]	408	g_tmpfs_mountpt, rdsiz_MB, 'm');
[49]	409	run_program_and_log_output("cat /proc/cpuinfo", 5);
[94]	410	/* BERLIOS: rpm is not necessarily there ! */
[49]	411	run_program_and_log_output
	412	("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc",
	413	5);
[1]	414	#endif
[49]	415	if (avm / 1024 > rdsiz_MB * 3) {
	416	if (run_program_and_log_output(command, 5)) {
	417	g_tmpfs_mountpt[0] = '\0';
	418	log_it("Failed to mount tmpfs");
	419	} else {
	420	log_it("Tmpfs mounted OK - %d MB", rdsiz_MB);
	421	}
	422	} else {
	423	g_tmpfs_mountpt[0] = '\0';
	424	log_it("It doesn't seem you have enough swap to use tmpfs. Fine.");
[1]	425	}
[94]	426	paranoid_free(command);
[49]	427
	428	if (bkpinfo->use_lzo) {
	429	strcpy(bkpinfo->zip_exe, "lzop");
	430	strcpy(bkpinfo->zip_suffix, "lzo");
	431	} else if (bkpinfo->compression_level != 0) {
	432	strcpy(bkpinfo->zip_exe, "bzip2");
	433	strcpy(bkpinfo->zip_suffix, "bz2");
	434	} else {
	435	bkpinfo->zip_exe[0] = bkpinfo->zip_suffix[0] = '\0';
[1]	436	}
	437
	438	// DVD
	439
[49]	440	if (bkpinfo->backup_media_type == dvd) {
[689]	441	tmp = find_home_of_exe("growisofs");
	442	if (!tmp) {
[49]	443	fatal_error("Please install growisofs.");
	444	}
[689]	445	paranoid_free(tmp);
	446
[49]	447	if (bkpinfo->nonbootable_backup) {
[94]	448	asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_NONBOOT);
[49]	449	} else if
[1]	450	#ifdef __FreeBSD__
[49]	451	(TRUE)
[1]	452	#else
[49]	453	(bkpinfo->make_cd_use_lilo)
[1]	454	#endif
	455	#ifdef __IA64__
[49]	456	{
[94]	457	asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_ELILO);
[49]	458	}
[1]	459	#else
	460	{
[94]	461	asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
[1]	462	}
[49]	463	#endif
	464	else
	465	{
[94]	466	asprintf(&mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
[49]	467	}
	468	if (bkpinfo->manual_cd_tray) {
	469	fatal_error("Manual CD tray + DVD not supported yet.");
	470	// -m isn't supported by growisofs, BTW...
	471	} else {
	472	sprintf(bkpinfo->call_make_iso,
	473	"%s %s -Z %s . 2>> _ERR_",
[127]	474	mondo_mkisofs_sz, "", bkpinfo->media_device);
[49]	475	}
[94]	476	paranoid_free(mondo_mkisofs_sz);
	477
[687]	478	if (getenv ("SUDO_COMMAND")) {
	479	asprintf(&command, "strings `which growisofs` \| grep -c SUDO_COMMAND");
[688]	480	tmp = call_program_and_get_last_line_of_output(command);
	481	if (!strcmp(tmp, "1")) {
[687]	482	popup_and_OK("Fatal Error: Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
	483	fatal_error("Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
	484	}
[688]	485	paranoid_free(tmp);
[687]	486	paranoid_free(command);
[72]	487	}
[49]	488	log_msg(2, "call_make_iso (DVD res) is ... %s",
	489	bkpinfo->call_make_iso);
	490	} // end of DVD code
[1]	491
	492	// CD-R or CD-RW
[49]	493	if (bkpinfo->backup_media_type == cdrw
	494	\|\| bkpinfo->backup_media_type == cdr) {
	495	if (!bkpinfo->manual_cd_tray) {
[94]	496	asprintf(&extra_cdrom_params, "-waiti ");
[49]	497	}
	498	if (bkpinfo->backup_media_type == cdrw) {
[94]	499	if (extra_cdrom_params != NULL) {
	500	asprintf(&tmp, extra_cdrom_params);
	501	paranoid_free(extra_cdrom_params);
	502	asprintf(&extra_cdrom_params, "%s blank=fast ", tmp);
	503	} else {
	504	asprintf(&extra_cdrom_params, "blank=fast ");
	505	}
[49]	506	}
[689]	507	tmp = find_home_of_exe("cdrecord");
	508	tmp1 = find_home_of_exe("dvdrecord");
	509	if (tmp) {
[94]	510	asprintf(&cdr_exe, "cdrecord");
[689]	511	} else if (tmp1) {
[94]	512	asprintf(&cdr_exe, "dvdrecord");
[49]	513	} else {
	514	fatal_error("Please install either cdrecord or dvdrecord.");
	515	}
[689]	516	paranoid_free(tmp);
	517	paranoid_free(tmp1);
	518
[49]	519	if (bkpinfo->nonbootable_backup) {
[672]	520	asprintf(&mondo_mkisofs_sz, "%s -r -p MondoRescue -publisher www.mondorescue.org -A Mondo_Rescue_GPL_Version -V _CD#_", mrconf->mondo_iso_creation_cmd);
[49]	521	} else if
[1]	522	#ifdef __FreeBSD__
[49]	523	(TRUE)
[1]	524	#else
[49]	525	(bkpinfo->make_cd_use_lilo)
[1]	526	#endif
	527	#ifdef __IA64__
	528	{
[94]	529	asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_ELILO);
[1]	530	}
[49]	531	#else
[1]	532	{
[94]	533	asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_LILO);
[1]	534	}
[49]	535	#endif
	536	else
	537	{
[94]	538	asprintf(&mondo_mkisofs_sz, MONDO_MKISOFS_REGULAR_SYSLINUX);
[49]	539	}
	540	if (bkpinfo->manual_cd_tray) {
[164]	541	if (bkpinfo->call_before_iso[0] == '\0') {
[49]	542	sprintf(bkpinfo->call_before_iso,
[164]	543	"%s -o %s/temporary.iso . 2>> _ERR_",
	544	mondo_mkisofs_sz, bkpinfo->tmpdir);
	545	} else {
	546	strncpy(call_before_iso_user, bkpinfo->call_before_iso, MAX_STR_LEN);
	547	sprintf (bkpinfo->call_before_iso,
	548	"( %s -o %s/temporary.iso . 2>> _ERR_ ; %s )",
	549	mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user);
	550	}
	551	log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
[49]	552	sprintf(bkpinfo->call_make_iso,
	553	"%s %s -v %s fs=4m dev=%s speed=%d %s/temporary.iso",
	554	cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject",
	555	extra_cdrom_params, bkpinfo->media_device,
	556	bkpinfo->cdrw_speed, bkpinfo->tmpdir);
	557	} else {
	558	sprintf(bkpinfo->call_make_iso,
	559	"%s . 2>> _ERR_ \| %s %s %s fs=4m dev=%s speed=%d -",
	560	mondo_mkisofs_sz, cdr_exe,
	561	(bkpinfo->please_dont_eject) ? " " : "-eject",
	562	extra_cdrom_params, bkpinfo->media_device,
	563	bkpinfo->cdrw_speed);
	564	}
[94]	565	paranoid_free(mondo_mkisofs_sz);
	566	paranoid_free(cdr_exe);
	567	paranoid_free(extra_cdrom_params);
[49]	568	} // end of CD code
[1]	569
[49]	570	if (bkpinfo->backup_media_type == iso) {
	571
[1]	572	/* Patch by Conor Daly <conor.daly@met.ie>
	573	* 23-june-2004
	574	* Break up isodir into iso_mnt and iso_path
	575	* These will be used along with iso-dev at restore time
	576	* to locate the ISOs where ever they're mounted
	577	*/
	578
[49]	579	log_it("isodir = %s", bkpinfo->isodir);
[166]	580	asprintf(&command, "df -P %s \| tail -n1 \| cut -d' ' -f1",
[127]	581	bkpinfo->isodir);
[49]	582	log_it("command = %s", command);
[688]	583	tmp = call_program_and_get_last_line_of_output(command);
[94]	584	paranoid_free(command);
	585	log_it("res of it = %s", tmp);
	586	asprintf(&tmp1, "%s/ISO-DEV", bkpinfo->tmpdir);
	587	write_one_liner_data_file(tmp1, tmp);
	588	paranoid_free(tmp1);
[1]	589
[94]	590	asprintf(&command, "mount \| grep -w %s \| tail -n1 \| cut -d' ' -f3",
[127]	591	tmp);
[94]	592	paranoid_free(tmp);
[49]	593	log_it("command = %s", command);
[688]	594	tmp = call_program_and_get_last_line_of_output(command);
[94]	595	paranoid_free(command);
	596	log_it("res of it = %s", tmp);
	597
	598	asprintf(&tmp1, "%s/ISO-MNT", bkpinfo->tmpdir);
	599	write_one_liner_data_file(tmp1, tmp);
	600	paranoid_free(tmp1);
	601
	602	log_it("isomnt: %s, %d", tmp, strlen(tmp));
	603	if (strlen(bkpinfo->isodir) < strlen(tmp)) {
[171]	604	asprintf(&iso_path, " ");
[49]	605	} else {
[94]	606	asprintf(&iso_path, "%s", bkpinfo->isodir + strlen(tmp));
[49]	607	}
[94]	608	paranoid_free(tmp);
	609
	610	asprintf(&tmp, "%s/ISODIR", bkpinfo->tmpdir);
[49]	611	write_one_liner_data_file(tmp, iso_path);
[94]	612	paranoid_free(tmp);
[49]	613	log_it("isodir: %s", iso_path);
[94]	614	paranoid_free(iso_path);
[149]	615	asprintf(&tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
	616	write_one_liner_data_file(tmp, bkpinfo->prefix);
	617	log_it("iso-prefix: %s", bkpinfo->prefix);
	618	paranoid_free(tmp);
[1]	619	/* End patch */
[49]	620	} // end of iso code
[1]	621
[49]	622	if (bkpinfo->backup_media_type == nfs) {
[94]	623	asprintf(&hostname, bkpinfo->nfs_mount);
[49]	624	colon = strchr(hostname, ':');
	625	if (!colon) {
	626	log_it("nfs mount doesn't have a colon in it");
	627	retval++;
	628	} else {
	629	struct hostent *hent;
[1]	630
[49]	631	*colon = '\0';
	632	hent = gethostbyname(hostname);
	633	if (!hent) {
	634	log_it("Can't resolve NFS mount (%s): %s", hostname,
	635	hstrerror(h_errno));
	636	retval++;
	637	} else {
[94]	638	asprintf(&ip_address, "%s%s", inet_ntoa((struct in_addr)
[127]	639	*((struct in_addr
	640	*) hent->
	641	h_addr)),
	642	strchr(bkpinfo->nfs_mount, ':'));
[49]	643	strcpy(bkpinfo->nfs_mount, ip_address);
[94]	644	paranoid_free(ip_address);
[49]	645	}
	646	}
[89]	647	store_nfs_config(bkpinfo);
[94]	648	paranoid_free(hostname);
[49]	649	}
[1]	650
[49]	651	log_it("Finished processing incoming params");
	652	if (retval) {
	653	fprintf(stderr, "Type 'man mondoarchive' for help.\n");
	654	}
[94]	655	asprintf(&tmp, "%s", MONDO_TMPISOS);
[49]	656	if (does_file_exist(tmp)) {
	657	unlink(tmp);
	658	}
[94]	659	paranoid_free(tmp);
	660
[49]	661	if (strlen(bkpinfo->tmpdir) < 2 \|\| strlen(bkpinfo->scratchdir) < 2) {
	662	log_it("tmpdir or scratchdir are blank/missing");
	663	retval++;
	664	}
	665	if (bkpinfo->include_paths[0] == '\0') {
	666	// fatal_error ("Why no backup path?");
	667	strcpy(bkpinfo->include_paths, "/");
	668	}
	669	chmod(bkpinfo->scratchdir, 0700);
	670	chmod(bkpinfo->tmpdir, 0700);
	671	g_backup_media_type = bkpinfo->backup_media_type;
	672	return (retval);
[1]	673	}
	674
	675
	676
	677	/**
	678	* Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
	679	* Seeds the random-number generator, loads important modules, checks the sanity
	680	* of the user's Linux distribution, and deletes logfile.
	681	* @param bkpinfo The backup information structure. Will be initialized.
	682	* @return number of errors (0 for success)
	683	*/
	684	int pre_param_configuration(struct s_bkpinfo *bkpinfo)
	685	{
[49]	686	int res = 0;
[1]	687
[49]	688	make_hole_for_dir(MNT_CDROM);
	689	assert(bkpinfo != NULL);
	690	srandom((unsigned long) (time(NULL)));
	691	insmod_crucial_modules();
	692	reset_bkpinfo(bkpinfo); // also sets defaults ('/'=backup path, 3=compression level)
	693	if (bkpinfo->disaster_recovery) {
	694	if (!does_nonMS_partition_exist()) {
	695	fatal_error
	696	("I am in disaster recovery mode\nPlease don't run mondoarchive.");
	697	}
	698	}
[1]	699
[49]	700	unlink(MONDO_TRACEFILE);
	701	run_program_and_log_output("rm -Rf /tmp/changed.files*", FALSE);
[94]	702	if ((g_mondo_home = find_and_store_mondoarchives_home()) == NULL) {
[49]	703	fprintf(stderr,
	704	"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");
	705	res++;
	706	return (res);
	707	}
	708	res += some_basic_system_sanity_checks();
	709	if (res) {
	710	log_it("Your distribution did not pass Mondo's sanity test.");
	711	}
	712	g_current_media_number = 1;
[688]	713	bkpinfo->postnuke_tarball = NULL;
	714	bkpinfo->nfs_mount = NULL;
[49]	715	return (res);
[1]	716	}
	717
	718
	719
	720
	721	/**
	722	* Reset all fields of the backup information structure to a sensible default.
	723	* @param bkpinfo The @c bkpinfo to reset.
	724	*/
[49]	725	void reset_bkpinfo(struct s_bkpinfo *bkpinfo)
[1]	726	{
[688]	727	int i = 0;
[1]	728
[49]	729	log_msg(1, "Hi");
[688]	730
[49]	731	assert(bkpinfo != NULL);
[688]	732	/* BERLIOS : Useless
[49]	733	memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
[688]	734	*/
	735
[49]	736	bkpinfo->manual_cd_tray = FALSE;
	737	bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
[688]	738	bkpinfo->boot_loader = '\0';
	739
[49]	740	for (i = 0; i <= MAX_NOOF_MEDIA; i++) {
	741	bkpinfo->media_size[i] = -1;
	742	}
[688]	743
	744	paranoid_free(bkpinfo->media_device);
	745	paranoid_free(bkpinfo->boot_device);
	746	paranoid_free(bkpinfo->zip_exe);
	747	paranoid_free(bkpinfo->zip_suffix);
	748	paranoid_free(bkpinfo->restore_path);
[49]	749	bkpinfo->use_lzo = FALSE;
[688]	750	paranoid_free(bkpinfo->do_not_compress_these);
[49]	751	bkpinfo->verify_data = FALSE;
	752	bkpinfo->backup_data = FALSE;
	753	bkpinfo->restore_data = FALSE;
	754	bkpinfo->disaster_recovery =
	755	(am_I_in_disaster_recovery_mode()? TRUE : FALSE);
	756	if (bkpinfo->disaster_recovery) {
[688]	757	paranoid_alloc(bkpinfo->isodir, "/");
[49]	758	} else {
[688]	759	paranoid_alloc(bkpinfo->isodir, "/var/cache/mondo/iso");
[49]	760	}
[688]	761	paranoid_alloc(bkpinfo->prefix, STD_PREFIX);
[1]	762
[688]	763	paranoid_free(bkpinfo->scratchdir);
[49]	764	bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
[688]	765	paranoid_free(bkpinfo->tmpdir);
	766	asprintf(&bkpinfo->tmpdir, "/tmp/tmpfs/mondo.tmp.%d", (int) (random() % 32768)); // for mondorestore
[49]	767	bkpinfo->optimal_set_size = 0;
	768	bkpinfo->backup_media_type = none;
[688]	769	paranoid_alloc(bkpinfo->include_paths, "/");
	770	paranoid_free(bkpinfo->exclude_paths);
	771	paranoid_free(bkpinfo->call_before_iso);
	772	paranoid_free(bkpinfo->call_make_iso);
	773	paranoid_free(bkpinfo->call_burn_iso);
	774	paranoid_free(bkpinfo->call_after_iso);
	775	paranoid_free(bkpinfo->image_devs);
	776	paranoid_free(bkpinfo->postnuke_tarball);
	777	paranoid_free(bkpinfo->kernel_path);
	778	paranoid_free(bkpinfo->nfs_mount);
	779	paranoid_free(bkpinfo->nfs_remote_dir);
[49]	780	bkpinfo->wipe_media_first = FALSE;
	781	bkpinfo->differential = FALSE;
	782	bkpinfo->cdrw_speed = 0;
[1]	783	// patch by Herman Kuster
[49]	784	bkpinfo->differential = 0;
[1]	785	// patch end
[49]	786	bkpinfo->compression_level = 3;
[1]	787	}
	788
	789
	790	/**
	791	* Get the remaining free space (in MB) on @p partition.
	792	* @param partition The partition to check free space on (either a device or a mountpoint).
	793	* @return The free space on @p partition, in MB.
	794	*/
[49]	795	long free_space_on_given_partition(char *partition)
[1]	796	{
[688]	797	char *command = NULL;
	798	char *out_sz = NULL;
[49]	799	long res;
[1]	800
[49]	801	assert_string_is_neither_NULL_nor_zerolength(partition);
[1]	802
[309]	803	asprintf(&command, "df -m -P %s &> /dev/null", partition);
[49]	804	if (system(command)) {
	805	return (-1);
	806	} // partition does not exist
[94]	807	paranoid_free(command);
	808
[309]	809	asprintf(&command, "df -m -P %s \| tail -n1 \| tr -s ' ' '\t' \| cut -f4",
[127]	810	partition);
[688]	811	out_sz = call_program_and_get_last_line_of_output(command);
[94]	812	paranoid_free(command);
[49]	813	if (strlen(out_sz) == 0) {
	814	return (-1);
	815	} // error within df, probably
	816	res = atol(out_sz);
[94]	817	paranoid_free(out_sz);
[49]	818	return (res);
[1]	819	}
	820
	821
	822
	823	/**
	824	* Check the user's system for sanity. Checks performed:
	825	* - make sure user has enough RAM (32mb required, 64mb recommended)
	826	* - make sure user has enough free space in @c /
	827	* - check kernel for ramdisk support
	828	* - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
	829	* - make sure CD-ROM is unmounted
	830	* - make sure /etc/modules.conf exists
	831	* - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
	832	*
	833	* @return number of problems with the user's setup (0 for success)
	834	*/
[49]	835	int some_basic_system_sanity_checks()
[1]	836	{
	837
[49]	838	/@ buffers *********** */
[689]	839	char *tmp = NULL;
[1]	840
[49]	841	/@ int's ************** */
	842	int retval = 0;
	843	long Lres;
[1]	844
	845
[49]	846	mvaddstr_and_log_it(g_currentY, 0,
	847	"Checking sanity of your Linux distribution");
[1]	848	#ifndef __FreeBSD__
[49]	849	if (system("which mkfs.vfat &> /dev/null")
	850	&& !system("which mkfs.msdos &> /dev/null")) {
	851	log_it
	852	("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
	853	run_program_and_log_output
	854	("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
	855	}
[688]	856	tmp = call_program_and_get_last_line_of_output
	857	("free \| grep Mem \| head -n1 \| tr -s ' ' '\t' \| cut -f2");
[49]	858	if (atol(tmp) < 35000) {
	859	retval++;
[507]	860	log_to_screen(_("You must have at least 32MB of RAM to use Mondo."));
[49]	861	}
	862	if (atol(tmp) < 66000) {
	863	log_to_screen
[507]	864	(_("WARNING! You have very little RAM. Please upgrade to 64MB or more."));
[49]	865	}
[94]	866	paranoid_free(tmp);
[1]	867	#endif
	868
[539]	869	if ((Lres = free_space_on_given_partition("/var/cache/mondo")) == -1) /* {
[49]	870	Lres = free_space_on_given_partition("/");
	871	}
[539]	872	*/
[49]	873	log_it("Free space on given partition = %ld MB", Lres);
[1]	874
[49]	875	if (Lres < 50) {
[539]	876	fatal_error("Your /var/cache/mondo partition has <50MB free. Please adjust your partition table to something saner.");
[49]	877	}
[1]	878
[49]	879	if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
	880	retval++;
	881	log_to_screen
	882	("Unable to find " MKE2FS_OR_NEWFS " in system path.");
	883	fatal_error
	884	("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. :)");
	885	}
[1]	886	#ifndef __FreeBSD__
[49]	887	if (run_program_and_log_output
[274]	888	("grep ramdisk /proc/devices", FALSE)) {
[49]	889	if (!ask_me_yes_or_no
[507]	890	(_("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]	891	{
	892	// retval++;
	893	log_to_screen
[507]	894	(_("It looks as if your kernel lacks ramdisk and initrd support."));
[49]	895	log_to_screen
[507]	896	(_("I'll allow you to proceed but FYI, if I'm right, your kernel is broken."));
[49]	897	}
	898	}
[1]	899	#endif
[49]	900	retval += whine_if_not_found(MKE2FS_OR_NEWFS);
	901	retval += whine_if_not_found("mkisofs");
	902	if (system("which dvdrecord > /dev/null 2> /dev/null")) {
	903	retval += whine_if_not_found("cdrecord");
	904	}
	905	retval += whine_if_not_found("bzip2");
	906	retval += whine_if_not_found("awk");
	907	retval += whine_if_not_found("md5sum");
	908	retval += whine_if_not_found("strings");
	909	retval += whine_if_not_found("mindi");
	910	retval += whine_if_not_found("buffer");
[1]	911
[49]	912	// abort if Windows partition but no ms-sys and parted
	913	if (!run_program_and_log_output
[687]	914	("mount \| grep -w vfat \| grep -vE \"/dev/fd\|nexdisk\"", 0)
[49]	915	\|\|
	916	!run_program_and_log_output
[687]	917	("mount \| grep -w dos \| grep -vE \"/dev/fd\|nexdisk\"", 0)) {
[507]	918	log_to_screen(_("I think you have a Windows 9x partition."));
[49]	919	retval += whine_if_not_found("parted");
[1]	920	#ifndef __IA64__
[49]	921	/* IA64 always has one vfat partition for EFI even without Windows */
	922	// retval +=
[689]	923	tmp = find_home_of_exe("ms-sys");
	924	if (!tmp) {
[507]	925	log_to_screen(_("Please install ms-sys just in case."));
[49]	926	}
[689]	927	paranoid_free(tmp);
[49]	928	#endif
[1]	929	}
	930
[689]	931	tmp = find_home_of_exe("cmp");
	932	if (!tmp) {
	933	whine_if_not_found("cmp");
[1]	934	}
[689]	935	paranoid_free(tmp);
	936
[49]	937	run_program_and_log_output
	938	("umount `mount \| grep cdr \| cut -d' ' -f3 \| tr '\n' ' '`", 5);
[688]	939	tmp = call_program_and_get_last_line_of_output("mount \| grep -E \"cdr(om\|w)\"");
[49]	940	if (strcmp("", tmp)) {
	941	if (strstr(tmp, "autofs")) {
	942	log_to_screen
[507]	943	(_("Your CD-ROM is mounted via autofs. I therefore cannot tell"));
[49]	944	log_to_screen
[507]	945	(_("if a CD actually is inserted. If a CD is inserted, please"));
	946	log_to_screen(_("eject it. Thank you."));
[49]	947	log_it
	948	("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
	949	} else
	950	if (run_program_and_log_output("uname -a \| grep Knoppix", 5)) {
	951	retval++;
	952	fatal_error
	953	("Your CD-ROM drive is mounted. Please unmount it.");
	954	}
	955	}
[94]	956	paranoid_free(tmp);
[1]	957	#ifndef __FreeBSD__
[49]	958	if (!does_file_exist("/etc/modules.conf")) {
	959	if (does_file_exist("/etc/conf.modules")) {
	960	log_it("Linking /etc/modules.conf to /etc/conf.modules");
	961	run_program_and_log_output
	962	("ln -sf /etc/conf.modules /etc/modules.conf", 5);
	963	} else if (does_file_exist("/etc/modprobe.d")) {
	964	log_it
	965	("Directory /etc/modprobe.d found. mindi will use its contents.");
	966	} else if (does_file_exist("/etc/modprobe.conf")) {
	967	log_it("Linking /etc/modules.conf to /etc/modprobe.conf");
	968	run_program_and_log_output
	969	("ln -sf /etc/modprobe.conf /etc/modules.conf", 5);
	970	} else {
	971	retval++;
	972	log_to_screen
[507]	973	(_("Please find out what happened to /etc/modules.conf"));
[49]	974	}
[1]	975	}
	976	#endif
	977
[49]	978	run_program_and_log_output("cat /etc/fstab", 5);
[1]	979	#ifdef __FreeBSD__
[49]	980	run_program_and_log_output("vinum printconfig", 5);
[1]	981	#else
[49]	982	run_program_and_log_output("cat /etc/raidtab", 5);
[1]	983	#endif
	984
[49]	985	if (run_program_and_log_output("mindi -V", 1)) {
[507]	986	log_to_screen(_("Could not ascertain mindi's version number."));
[49]	987	log_to_screen
[507]	988	(_("You have not installed Mondo and/or Mindi properly."));
	989	log_to_screen(_("Please uninstall and reinstall them both."));
[49]	990	fatal_error("Please reinstall Mondo and Mindi.");
	991	}
	992	if (run_program_and_log_output
	993	("mindi --makemountlist /tmp/mountlist.txt.test", 5)) {
	994	log_to_screen
[507]	995	(_("Mindi --makemountlist /tmp/mountlist.txt.test failed for some reason."));
[49]	996	log_to_screen
[507]	997	(_("Please run that command by hand and examine /var/log/mindi.log"));
[49]	998	log_to_screen
[507]	999	(_("for more information. Perhaps your /etc/fstab file is insane."));
[49]	1000	log_to_screen
[507]	1001	(_("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see."));
[49]	1002	retval++;
	1003	}
[1]	1004
[197]	1005	if (!run_program_and_log_output("parted2fdisk -l \| grep -i raid", 1)
[49]	1006	&& !does_file_exist("/etc/raidtab")) {
	1007	log_to_screen
[507]	1008	(_("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat"));
[561]	1009	create_raidtab_from_mdstat("/etc/raidtab");
[49]	1010	}
	1011
	1012	if (retval) {
[507]	1013	mvaddstr_and_log_it(g_currentY++, 74, _("Failed."));
[49]	1014	} else {
[507]	1015	mvaddstr_and_log_it(g_currentY++, 74, _("Done."));
[49]	1016	}
	1017	return (retval);
[1]	1018	}
	1019
	1020	/**
	1021	* Retrieve the line containing @p label from the config file.
	1022	* @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg.
	1023	* @param label What to read from the file.
	1024	* @param value Where to put it.
	1025	* @return 0 for success, 1 for failure.
	1026	*/
[49]	1027	int read_cfg_var(char config_file, char label, char *value)
[1]	1028	{
[49]	1029	/@ buffer ***************************************************** */
[688]	1030	char *command = NULL;
	1031	char *tmp = NULL;
[1]	1032
[49]	1033	/@ end vars ************************************************** */
[1]	1034
[49]	1035	assert_string_is_neither_NULL_nor_zerolength(config_file);
	1036	assert_string_is_neither_NULL_nor_zerolength(label);
[688]	1037
[49]	1038	if (!does_file_exist(config_file)) {
[94]	1039	asprintf(&tmp, "(read_cfg_var) Cannot find %s config file",
[127]	1040	config_file);
[49]	1041	log_to_screen(tmp);
[94]	1042	paranoid_free(tmp);
[688]	1043	value = NULL;
[49]	1044	return (1);
	1045	} else if (strstr(value, "/dev/") && strstr(value, "t0")
	1046	&& !strcmp(label, "media-dev")) {
	1047	log_msg(2, "FYI, I shan't read new value for %s - already got %s",
	1048	label, value);
	1049	return (0);
	1050	} else {
[149]	1051	asprintf(&command, "grep '%s .*' %s\| cut -d' ' -f2,3,4,5",
	1052	label, config_file);
[688]	1053	value = call_program_and_get_last_line_of_output(command);
[94]	1054	paranoid_free(command);
[49]	1055	if (strlen(value) == 0) {
	1056	return (1);
	1057	} else {
	1058	return (0);
	1059	}
[1]	1060	}
	1061	}
	1062
	1063
	1064	/**
	1065	* Remount @c supermount if it was unmounted earlier.
	1066	*/
	1067	void remount_supermounts_if_necessary()
	1068	{
[49]	1069	if (g_remount_cdrom_at_end) {
	1070	run_program_and_log_output("mount " MNT_CDROM, FALSE);
	1071	}
	1072	if (g_remount_floppy_at_end) {
	1073	run_program_and_log_output("mount " MNT_FLOPPY, FALSE);
	1074	}
[1]	1075	}
	1076
	1077	/**
	1078	* Unmount @c supermount if it's mounted.
	1079	*/
	1080	void unmount_supermounts_if_necessary()
	1081	{
[49]	1082	if (run_program_and_log_output
	1083	("mount \| grep cdrom \| grep super", FALSE) == 0) {
	1084	g_remount_cdrom_at_end = TRUE;
	1085	run_program_and_log_output("umount " MNT_CDROM, FALSE);
	1086	}
	1087	if (run_program_and_log_output
	1088	("mount \| grep floppy \| grep super", FALSE) == 0) {
	1089	g_remount_floppy_at_end = TRUE;
	1090	run_program_and_log_output("umount " MNT_FLOPPY, FALSE);
	1091	}
[1]	1092	}
	1093
	1094	/**
	1095	* If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
	1096	*/
	1097	void mount_boot_if_necessary()
	1098	{
[94]	1099	char *tmp;
	1100	char *tmp1;
	1101	char *command;
[1]	1102
[49]	1103	log_msg(1, "Started sub");
[94]	1104	log_msg(4, "About to set g_boot_mountpt to \"\"");
	1105	asprintf(&g_boot_mountpt, "");
[49]	1106	log_msg(4, "Done. Great. Seeting command to something");
[94]	1107	asprintf(&command,
[274]	1108	"grep -v \":\" /etc/fstab \| grep -vx \"#.*\" \| grep -w \"/boot\" \| tr -s ' ' '\t' \| cut -f1 \| head -n1");
[49]	1109	log_msg(4, "Cool. Command = '%s'", command);
[688]	1110	tmp = call_program_and_get_last_line_of_output(command);
[94]	1111	paranoid_free(command);
	1112
[49]	1113	log_msg(4, "tmp = '%s'", tmp);
[688]	1114	if (tmp) {
[49]	1115	log_it("/boot is at %s according to /etc/fstab", tmp);
	1116	if (strstr(tmp, "LABEL=")) {
	1117	if (!run_program_and_log_output("mount /boot", 5)) {
[94]	1118	paranoid_free(g_boot_mountpt);
	1119	asprintf(&g_boot_mountpt, "/boot");
[49]	1120	log_msg(1, "Mounted /boot");
	1121	} else {
	1122	log_it("...ignored cos it's a label :-)");
	1123	}
	1124	} else {
[94]	1125	asprintf(&command, "mount \| grep -w \"%s\"", tmp);
[49]	1126	log_msg(3, "command = %s", command);
	1127	if (run_program_and_log_output(command, 5)) {
[94]	1128	paranoid_free(g_boot_mountpt);
	1129	asprintf(&g_boot_mountpt, tmp);
	1130	asprintf(&tmp1,
[127]	1131	"%s (your /boot partition) is not mounted. I'll mount it before backing up",
	1132	g_boot_mountpt);
[94]	1133	log_it(tmp1);
	1134	paranoid_free(tmp1);
	1135
	1136	asprintf(&tmp1, "mount %s", g_boot_mountpt);
	1137	if (run_program_and_log_output(tmp1, 5)) {
	1138	paranoid_free(g_boot_mountpt);
[171]	1139	asprintf(&g_boot_mountpt, " ");
[49]	1140	log_msg(1, "Plan B");
	1141	if (!run_program_and_log_output("mount /boot", 5)) {
[94]	1142	paranoid_free(g_boot_mountpt);
	1143	asprintf(&g_boot_mountpt, "/boot");
[49]	1144	log_msg(1, "Plan B worked");
	1145	} else {
	1146	log_msg(1,
	1147	"Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
	1148	}
	1149	}
[94]	1150	paranoid_free(tmp1);
[49]	1151	}
[94]	1152	paranoid_free(command);
[49]	1153	}
[1]	1154	}
[94]	1155	paranoid_free(tmp);
[49]	1156	log_msg(1, "Ended sub");
[1]	1157	}
	1158
	1159
	1160	/**
	1161	* If we mounted /boot earlier, unmount it.
	1162	*/
	1163	void unmount_boot_if_necessary()
	1164	{
[94]	1165	char *tmp;
[1]	1166
[49]	1167	log_msg(3, "starting");
	1168	if (g_boot_mountpt[0]) {
[94]	1169	asprintf(&tmp, "umount %s", g_boot_mountpt);
[49]	1170	if (run_program_and_log_output(tmp, 5)) {
	1171	log_it("WARNING - unable to unmount /boot");
	1172	}
[94]	1173	paranoid_free(tmp);
[49]	1174	}
	1175	log_msg(3, "leaving");
[1]	1176	}
	1177
	1178
	1179
	1180	/**
	1181	* Write a line to a configuration file. Writes a line of the form,
	1182	* @c label @c value.
	1183	* @param config_file The file to write to. Usually @c mondo-restore.cfg.
	1184	* @param label What to call this bit of data you're writing.
	1185	* @param value The bit of data you're writing.
	1186	* @return 0 for success, 1 for failure.
	1187	*/
[49]	1188	int write_cfg_var(char config_file, char label, char *value)
[1]	1189	{
[49]	1190	/@ buffers **************************************************** */
[94]	1191	char *command;
	1192	char *tempfile;
	1193	char *tmp;
[1]	1194
	1195
[49]	1196	/@ end vars ************************************************** */
	1197	assert_string_is_neither_NULL_nor_zerolength(config_file);
	1198	assert_string_is_neither_NULL_nor_zerolength(label);
	1199	assert(value != NULL);
[94]	1200
[49]	1201	if (!does_file_exist(config_file)) {
[94]	1202	asprintf(&tmp, "(write_cfg_file) Cannot find %s config file",
[127]	1203	config_file);
[49]	1204	log_to_screen(tmp);
[94]	1205	paranoid_free(tmp);
[49]	1206	return (1);
	1207	}
[688]	1208	tempfile = call_program_and_get_last_line_of_output
	1209	("mktemp -q /tmp/mojo-jojo.blah.XXXXXX");
[49]	1210	if (does_file_exist(config_file)) {
[149]	1211	asprintf(&command, "grep -vx '%s .*' %s > %s",
	1212	label, config_file, tempfile);
[49]	1213	paranoid_system(command);
[94]	1214	paranoid_free(command);
[49]	1215	}
[94]	1216	asprintf(&command, "echo \"%s %s\" >> %s", label, value, tempfile);
[49]	1217	paranoid_system(command);
[94]	1218	paranoid_free(command);
	1219
	1220	asprintf(&command, "mv -f %s %s", tempfile, config_file);
[49]	1221	paranoid_system(command);
[94]	1222	paranoid_free(command);
[49]	1223	unlink(tempfile);
[94]	1224	paranoid_free(tempfile);
[49]	1225	return (0);
[1]	1226	}
	1227
	1228	/**
	1229	* Allocate or free important globals, depending on @p mal.
	1230	* @param mal If TRUE, malloc; if FALSE, free.
	1231	*/
	1232	void do_libmondo_global_strings_thing(int mal)
	1233	{
[49]	1234	if (mal) {
	1235	iamhere("Malloc'ing globals");
[688]	1236	g_erase_tmpdir_and_scratchdir = NULL;
[49]	1237	malloc_string(g_serial_string);
	1238	} else {
	1239	iamhere("Freeing globals");
	1240	paranoid_free(g_boot_mountpt);
	1241	paranoid_free(g_mondo_home);
	1242	paranoid_free(g_tmpfs_mountpt);
	1243	paranoid_free(g_erase_tmpdir_and_scratchdir);
	1244	paranoid_free(g_serial_string);
	1245	paranoid_free(g_magicdev_command);
	1246	}
[1]	1247	}
	1248
	1249	/**
	1250	* Allocate important globals.
	1251	* @see do_libmondo_global_strings_thing
	1252	*/
	1253	void malloc_libmondo_global_strings(void)
	1254	{
[49]	1255	do_libmondo_global_strings_thing(1);
[1]	1256	}
	1257
	1258	/**
	1259	* Free important globals.
	1260	* @see do_libmondo_global_strings_thing
	1261	*/
	1262	void free_libmondo_global_strings(void)
	1263	{
[49]	1264	do_libmondo_global_strings_thing(0);
[1]	1265	}
	1266
	1267
	1268
	1269	/**
	1270	* Stop @c magicdev if it's running.
	1271	* The command used to start it is saved in @p g_magicdev_command.
	1272	*/
	1273	void stop_magicdev_if_necessary()
	1274	{
[688]	1275	g_magicdev_command = call_program_and_get_last_line_of_output
	1276	("ps ax \| grep -w magicdev \| grep -v grep \| tr -s '\t' ' '\| cut -d' ' -f6-99");
	1277	if (g_magicdev_command) {
[49]	1278	log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
	1279	paranoid_system("killall magicdev");
	1280	}
[1]	1281	}
	1282
	1283
	1284	/**
	1285	* Restart magicdev if it was stopped.
	1286	*/
	1287	void restart_magicdev_if_necessary()
	1288	{
[688]	1289	char *tmp = NULL;
[49]	1290
[688]	1291	if (!g_magicdev_command) {
[94]	1292	asprintf(&tmp, "%s &", g_magicdev_command);
[49]	1293	paranoid_system(tmp);
[94]	1294	paranoid_free(tmp);
[49]	1295	}
[1]	1296	}
	1297
	1298	/* @} - end of utilityGroup */

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