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source: MondoRescue/branches/stable/mondo/src/common/libmondo-tools.c@ 1671

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Last change on this file since 1671 was 1671, checked in by Bruno Cornec, 17 years ago
handle 2 new conf file parameters
Property svn:keywords set to `Id`
File size: 36.3 KB

Rev	Line
[1178]	1	/* $Id: libmondo-tools.c 1671 2007-10-01 12:12:54Z 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"
[1080]	11	#include "mr_mem.h"
[1123]	12	#include "mr_msg.h"
[1087]	13	#include "mr_file.h"
[1549]	14	#include "mr_gettext.h"
[1592]	15	#include "mr_conf.h"
[1095]	16
[1]	17	#include "mondostructures.h"
	18	#include "libmondo-tools.h"
[1178]	19	#include "newt-specific-EXT.h"
[1]	20	#include "libmondo-files-EXT.h"
	21	#include "libmondo-fork-EXT.h"
	22	#include "libmondo-raid-EXT.h"
	23	#include <sys/socket.h>
	24	#include <netdb.h>
[1663]	25	#include <stdlib.h>
[1]	26	#include <netinet/in.h>
	27	#include <arpa/inet.h>
[1377]	28	#include <sys/utsname.h>
[1]	29
	30	/@unused@/
[99]	31	//static char cvsid[] = "$Id: libmondo-tools.c 1671 2007-10-01 12:12:54Z bruno $";
[1]	32
	33	extern int g_tape_buffer_size_MB;
	34	extern char *g_erase_tmpdir_and_scratchdir;
	35	extern char *g_serial_string;
	36	extern bool g_text_mode;
	37	extern int g_currentY;
	38	extern int g_current_media_number;
[1344]	39	extern char *MONDO_LOGFILE;
[1]	40
[1592]	41	extern struct mr_ar_conf *mr_conf;
	42
[1663]	43	/* Reference to global bkpinfo */
	44	extern struct s_bkpinfo *bkpinfo;
	45
[1]	46	/**
	47	* @addtogroup globalGroup
	48	* @{
	49	*/
[128]	50	bool g_remount_cdrom_at_end, ///< TRUE if we unmounted the CD-ROM and should remount it when done with the backup.
	51	g_remount_floppy_at_end; ///< TRUE if we unmounted the floppy and should remount it when done with the backup.
	52	bool g_cd_recovery; ///< TRUE if we're making an "autonuke" backup.
[1]	53	double g_kernel_version;
	54
	55	/**
[1178]	56	* The place where /boot is mounted. - Used locally only
[1]	57	*/
[1178]	58	static char *g_boot_mountpt = NULL;
[1]	59
	60	/**
	61	* The serial string (used to differentiate between backups) of the current backup.
	62	*/
[128]	63	char *g_serial_string = NULL;
[1]	64
	65	/**
	66	* The location where tmpfs is mounted, or "" if it's not mounted.
	67	*/
[128]	68	char *g_tmpfs_mountpt = NULL;
	69	char *g_magicdev_command = NULL;
[1]	70
	71	/* @} - end of globalGroup */
	72
	73
	74	extern pid_t g_buffer_pid;
	75	extern pid_t g_main_pid;
	76
	77	extern t_bkptype g_backup_media_type;
[1178]	78	extern char *g_backup_media_string;
[1]	79
	80	extern bool am_I_in_disaster_recovery_mode(void);
	81
	82
	83	/**
	84	* @addtogroup utilityGroup
	85	* @{
	86	*/
	87	/**
	88	* Assertion handler. Prints a friendly message to the user,
	89	* offering to ignore all, dump core, break to debugger,
	90	* exit, or ignore. Intended to be used with an assert() macro.
	91	*
	92	* @param file The file in which the assertion triggered.
	93	* @param function The function (@c __FUNCTION__) in which the assertion triggered.
	94	* @param line The line number of the assert() statement.
	95	* @param exp The expression that failed (as a string).
	96	*/
[128]	97	void _mondo_assert_fail(const char *file,
	98	const char function, int line, const char exp)
[1]	99	{
[128]	100	static int ignoring_assertions = 0;
	101	bool is_valid = TRUE;
[1]	102
[128]	103	log_it("ASSERTION FAILED: `%s' at %s:%d in %s", exp, file, line,
	104	function);
	105	if (ignoring_assertions) {
	106	log_it("Well, the user doesn't care...");
	107	return;
	108	}
[1]	109	#ifndef _XWIN
[128]	110	if (!g_text_mode)
	111	newtSuspend();
[1]	112	#endif
[1178]	113	printf(_("ASSERTION FAILED: `%s'\n"), exp);
	114	printf(_("\tat %s:%d in %s\n\n"), file, line, function);
	115	printf(_("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? "));
[128]	116	do {
	117	is_valid = TRUE;
	118	switch (toupper(getchar())) {
	119	case 'A': // ignore (A)ll
	120	ignoring_assertions = 1;
	121	break;
	122	case 'B': // a(B)ort
	123	signal(SIGABRT, SIG_DFL); /* prevent SIGABRT handler from running */
	124	raise(SIGABRT);
	125	break; /* "can't get here" */
	126	case 'D': // (D)ebug, aka asm("int 3")
[1]	127	#ifdef __IA32__
[128]	128	__asm__ __volatile__("int $3"); // break to debugger
[1]	129	#endif
[128]	130	break;
	131	case 'E': // (E)xit
	132	fatal_error("Failed assertion -- see above for details");
	133	break; /* "can't get here" */
	134	case 'I': // (I)gnore
	135	break;
	136	/* These next two work as follows:
	137	the `default' catches the user's invalid choice and says so;
	138	the '\n' catches the newline on the end and prints the prompt again.
	139	*/
	140	case '\n':
	141	printf
[1178]	142	(_("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? "));
[128]	143	break;
	144	default:
	145	is_valid = FALSE;
[1178]	146	printf(_("Invalid choice.\n"));
[128]	147	break;
	148	}
	149	} while (!is_valid);
	150
	151	if (ignoring_assertions) {
	152	log_it("Ignoring ALL assertions from now on.");
	153	} else {
	154	log_it("Ignoring assertion: %s", exp);
[1]	155	}
	156
[128]	157	getchar(); // skip \n
[1]	158
	159	#ifndef _XWIN
[128]	160	if (!g_text_mode)
	161	newtResume();
[1]	162	#endif
	163	}
	164
	165	/**
	166	* Clean's up users' KDE desktops.
	167	* @bug Details about this function are unknown.
	168	*/
	169	void clean_up_KDE_desktop_if_necessary(void)
	170	{
[128]	171	char *tmp;
[1]	172
[1178]	173	mr_asprintf(&tmp,
	174	"for i in `find /root /home -type d -name Desktop -maxdepth 2`; do \
[1]	175	file=$i/.directory; if [ -f \"$file\" ] ; then mv -f $file $file.old ; \
[273]	176	awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } \
[275]	177	else { print $0;};}' $file.old > $file ; fi ; done");
[128]	178	run_program_and_log_output(tmp, 5);
[1080]	179	mr_free(tmp);
[1]	180	}
	181
	182
	183	/**
[1061]	184	* Locate mondoarchive's home directory. Searches in /usr/share/mondo,
[1]	185	* /usr/local/share/mondo, /opt, or if all else fails, search /usr.
	186	*
	187	* @param home_sz String to store the home directory ("" if it could not be found).
	188	* @return 0 for success, nonzero for failure.
	189	*/
	190	int find_and_store_mondoarchives_home(char *home_sz)
	191	{
[128]	192	assert(home_sz != NULL);
[424]	193	strcpy(home_sz, MONDO_SHARE);
[182]	194	return (0);
[1]	195	}
	196
	197
[1377]	198	char *get_architecture(void) {
[1]	199	#ifdef __IA32__
[1377]	200	# ifdef __X86_64__
	201	return ("x86_64");
	202	# else
	203	return ("i386");
	204	# endif
[1]	205	#endif
[1178]	206	#ifdef __X86_64__
	207	return ("x86_64");
	208	#endif
[1]	209	#ifdef __IA64__
[128]	210	return ("ia64");
[1]	211	#endif
[128]	212	return ("unknown");
[1]	213	}
	214
	215
[1377]	216	char *get_uname_m(void) {
	217
	218	struct utsname utsn;
	219	char *tmp = NULL;
	220
	221	uname(&utsn);
	222	mr_asprintf(&tmp, utsn.machine);
	223	return (tmp);
	224	}
	225
	226
	227
[1178]	228	/* BERLIOS: Use uname instead */
[1152]	229	double get_kernel_version(void)
[1]	230	{
[128]	231	char *p, tmp[200];
	232	double d;
[1]	233	#ifdef __FreeBSD__
[128]	234	// JOSH - FIXME :)
	235	d = 5.2; // :-)
[1]	236	#else
[128]	237	strcpy(tmp, call_program_and_get_last_line_of_output("uname -r"));
	238	p = strchr(tmp, '.');
	239	if (p) {
	240	p = strchr(++p, '.');
	241	if (p) {
	242	while (*p) {
	243	p = (p + 1);
	244	p++;
	245	}
	246	}
	247	}
[1107]	248	// mr_msg(1, "tmp = '%s'", tmp);
[128]	249	d = atof(tmp);
[1]	250	#endif
[1107]	251	mr_msg(1, "g_kernel_version = %f", d);
[128]	252	return (d);
[1]	253	}
	254
	255
	256	/**
	257	* Get the current time.
	258	* @return number of seconds since the epoch.
	259	*/
[1152]	260	long get_time(void)
[1]	261	{
[128]	262	return (long) time((void *) 0);
[1]	263	}
	264
	265
	266	/**
	267	* Initialize a RAID volume structure, setting fields to zero. The
	268	* actual hard drive is unaffected.
	269	*
	270	* @param raidrec The RAID volume structure to initialize.
	271	* @note This function is system dependent.
	272	*/
	273	#ifdef __FreeBSD__
[128]	274	void initialize_raidrec(struct vinum_volume *raidrec)
[1]	275	{
[128]	276	int i, j;
	277	raidrec->volname[0] = '\0';
	278	raidrec->plexes = 0;
	279	for (i = 0; i < 9; ++i) {
	280	raidrec->plex[i].raidlevel = -1;
	281	raidrec->plex[i].stripesize = 0;
	282	raidrec->plex[i].subdisks = 0;
	283	for (j = 0; j < 9; ++j) {
	284	strcpy(raidrec->plex[i].sd[j].which_device, "");
	285	}
	286	}
[1]	287	}
	288	#else
[128]	289	void initialize_raidrec(struct raid_device_record *raidrec)
[1]	290	{
[128]	291	assert(raidrec != NULL);
	292	raidrec->raid_device[0] = '\0';
[558]	293	raidrec->raid_level = -9;
[128]	294	raidrec->persistent_superblock = 1;
[558]	295	raidrec->chunk_size = 64;
	296	raidrec->parity = -1;
[128]	297	raidrec->data_disks.entries = 0;
	298	raidrec->spare_disks.entries = 0;
	299	raidrec->parity_disks.entries = 0;
	300	raidrec->failed_disks.entries = 0;
	301	raidrec->additional_vars.entries = 0;
[1]	302	}
	303	#endif
	304
	305
	306	/**
	307	* Insert modules that Mondo requires.
[1221]	308	* Currently inserts @c msdos, @c vfat, and @c loop for Linux;
[1]	309	* @c msdosfs and @c ext2fs for FreeBSD.
	310	*/
	311	void insmod_crucial_modules(void)
	312	{
	313	#ifdef __FreeBSD__
[128]	314	system("kldstat \| grep msdosfs \|\| kldload msdosfs 2> /dev/null");
	315	system("kldstat \| grep ext2fs \|\| kldload ext2fs 2> /dev/null");
[1]	316	#else
[1221]	317	system("modprobe -a msdos vfat loop &> /dev/null");
[1]	318	#endif
	319	}
	320
	321
	322	/**
	323	* Finish configuring the backup information structure. Call this function
	324	* to set the parameters that depend on those that can be given on the command
	325	* line.
	326	*
	327	* @param bkpinfo The backup information structure. Fields modified/used:
	328	* - Used: @c bkpinfo->backup_data
	329	* - Used: @c bkpinfo->backup_media_type
[1594]	330	* - Used: @c bkpinfo->writer_speed
[1]	331	* - Used: @c bkpinfo->compression_level
	332	* - Used: @c bkpinfo->include_paths
[20]	333	* - Used: @c bkpinfo->prefix
[1]	334	* - Used: @c bkpinfo->isodir
[1609]	335	* - Used: @c bkpinfo->manual_tray
[1]	336	* - Used: @c bkpinfo->make_cd_use_lilo
	337	* - Used: @c bkpinfo->media_device
	338	* - Used: @c bkpinfo->nfs_mount
	339	* - Used: @c bkpinfo->nonbootable_backup
	340	* - Used: @c bkpinfo->scratchdir
	341	* - Used: @c bkpinfo->tmpdir
	342	* - Used: @c bkpinfo->use_lzo
	343	* - Modified: @c bkpinfo->call_before_iso
	344	* - Modified: @c bkpinfo->call_make_iso
	345	* - Modified: @c bkpinfo->optimal_set_size
	346	* - Modified: @c bkpinfo->zip_exe
	347	* - Modified: @c bkpinfo->zip_suffix
	348	*
	349	* @return number of errors, or 0 for success.
	350	* @note Also creates directories that are specified in the @c bkpinfo structure but
	351	* do not exist.
	352	*/
[1663]	353	int post_param_configuration()
[1]	354	{
[1178]	355	char *extra_cdrom_params = NULL;
	356	char *mondo_mkisofs_sz = NULL;
	357	char *command = NULL;
	358	char *hostname = NULL;
	359	char *ip_address = NULL;
[128]	360	int retval = 0;
	361	long avm = 0;
[1178]	362	char *colon = NULL;
	363	char *tmp = NULL;
	364	char *call_before_iso_user = NULL;
[128]	365	int rdsiz_MB;
[1178]	366	char *iso_dev = NULL;
	367	char *iso_mnt = NULL;
	368	char *iso_tmp = NULL;
	369	char *iso_path = NULL;
[1087]	370	FILE *fd1 = NULL;
[1]	371
[128]	372	assert(bkpinfo != NULL);
	373	bkpinfo->optimal_set_size =
[686]	374	(IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 16 : 16) *
[128]	375	1024;
[1]	376
[1107]	377	mr_msg(1, "Foo");
[128]	378	if (bkpinfo->backup_media_type == tape) {
[1107]	379	mr_msg(1, "Bar");
[1178]	380	mr_asprintf(&tmp, "mt -f %s status", bkpinfo->media_device);
[1107]	381	mr_msg(1, "tmp = '%s'", tmp);
[128]	382	if (run_program_and_log_output(tmp, 3)) {
	383	fatal_error
	384	("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.");
	385	}
[1178]	386	mr_free(tmp);
[1]	387	}
[128]	388	make_hole_for_dir(bkpinfo->scratchdir);
	389	if (bkpinfo->backup_media_type == iso)
	390	make_hole_for_dir(bkpinfo->isodir);
[1]	391
[128]	392	run_program_and_log_output("uname -a", 5);
[678]	393	run_program_and_log_output("cat /etc/*-release", 5);
[128]	394	sprintf(g_tmpfs_mountpt, "%s/tmpfs", bkpinfo->tmpdir);
[1178]	395	mr_asprintf(&command, "mkdir -p %s", g_tmpfs_mountpt);
[128]	396	paranoid_system(command);
[1178]	397	mr_free(command);
[128]	398	rdsiz_MB = PPCFG_RAMDISK_SIZE + g_tape_buffer_size_MB;
[1]	399	#ifdef __FreeBSD__
[1178]	400	mr_asprintf(&tmp,
[128]	401	call_program_and_get_last_line_of_output
	402	("vmstat \| tail -1 \| tr -s ' ' \| cut -d' ' -f6"));
	403	avm += atol(tmp);
[1178]	404	mr_free(tmp);
	405	mr_asprintf(&tmp,
[128]	406	call_program_and_get_last_line_of_output
	407	("swapinfo \| grep -v Device \| tr -s ' ' \| cut -d' ' -f4 \| tr '\n' '+' \| sed 's/+$//' \| bc"));
	408	avm += atol(tmp);
[1178]	409	mr_free(tmp);
	410	mr_asprintf(&command, "mdmfs -s %d%c md9 %s", rdsiz_MB, 'm',
	411	g_tmpfs_mountpt);
[1]	412	#else
[1178]	413	mr_asprintf(&tmp,
[128]	414	call_program_and_get_last_line_of_output
[911]	415	("free \| grep ':' \| tr -s ' ' '\t' \| cut -f2 \| head -n1"));
[128]	416	avm += atol(tmp);
[1178]	417	mr_free(tmp);
	418	mr_asprintf(&command, "mount /dev/shm -t tmpfs %s -o size=%d%c",
[128]	419	g_tmpfs_mountpt, rdsiz_MB, 'm');
	420	run_program_and_log_output("cat /proc/cpuinfo", 5);
[1178]	421	/* BERLIOS: rpm is not necessarily there ! */
[128]	422	run_program_and_log_output
	423	("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc",
	424	5);
[1]	425	#endif
[128]	426	if (avm / 1024 > rdsiz_MB * 3) {
	427	if (run_program_and_log_output(command, 5)) {
	428	g_tmpfs_mountpt[0] = '\0';
	429	log_it("Failed to mount tmpfs");
	430	} else {
	431	log_it("Tmpfs mounted OK - %d MB", rdsiz_MB);
	432	}
	433	} else {
	434	g_tmpfs_mountpt[0] = '\0';
	435	log_it("It doesn't seem you have enough swap to use tmpfs. Fine.");
[1]	436	}
[1178]	437	mr_free(command);
[128]	438
	439	if (bkpinfo->use_lzo) {
	440	strcpy(bkpinfo->zip_exe, "lzop");
	441	strcpy(bkpinfo->zip_suffix, "lzo");
[998]	442	} else if (bkpinfo->use_gzip) {
	443	strcpy(bkpinfo->zip_exe, "gzip");
	444	strcpy(bkpinfo->zip_suffix, "gz");
[128]	445	} else if (bkpinfo->compression_level != 0) {
	446	strcpy(bkpinfo->zip_exe, "bzip2");
	447	strcpy(bkpinfo->zip_suffix, "bz2");
	448	} else {
	449	bkpinfo->zip_exe[0] = bkpinfo->zip_suffix[0] = '\0';
[1]	450	}
	451
[1592]	452	// CD-R or CD-RW or DVD
[128]	453	if (bkpinfo->backup_media_type == cdrw
[1592]	454	\|\| bkpinfo->backup_media_type == dvd
	455	\|\| bkpinfo->backup_media_type == iso
	456	\|\| bkpinfo->backup_media_type == nfs
[128]	457	\|\| bkpinfo->backup_media_type == cdr) {
[1609]	458	if (!bkpinfo->manual_tray) {
[1178]	459	mr_strcat(extra_cdrom_params, "-waiti ");
[128]	460	}
	461	if (bkpinfo->backup_media_type == cdrw) {
[1178]	462	mr_strcat(extra_cdrom_params, "blank=fast ");
[128]	463	}
	464	if (bkpinfo->nonbootable_backup) {
[1592]	465	mr_asprintf(&mondo_mkisofs_sz, "%s -no-boot", mr_conf->iso_creation_opt);
[128]	466	} else if
[1]	467	#ifdef __FreeBSD__
[128]	468	(TRUE)
[1]	469	#else
[128]	470	(bkpinfo->make_cd_use_lilo)
[1]	471	#endif
	472	#ifdef __IA64__
	473	{
[1592]	474	mr_asprintf(&mondo_mkisofs_sz, "%s -b images/mindi-boot.2880.img -c boot.cat", mr_conf->iso_creation_opt);
[1]	475	}
[128]	476	#else
[1]	477	{
[1592]	478	mr_asprintf(&mondo_mkisofs_sz, "%s -b isolinux.bin -c boot.cat", mr_conf->iso_creation_opt);
[1]	479	}
[128]	480	#endif
[1592]	481	else {
	482	mr_asprintf(&mondo_mkisofs_sz, "%s -b isolinux.bin -c boot.cat", mr_conf->iso_creation_opt);
[128]	483	}
[1609]	484	if (bkpinfo->manual_tray) {
[1594]	485	if (strstr(mr_conf->iso_burning_cmd,"growisofs") != NULL) {
[1592]	486	fatal_error("Unable to use manual CD tray with growisofs");
	487	}
[163]	488	if (bkpinfo->call_before_iso[0] == '\0') {
[1592]	489	sprintf(bkpinfo->call_before_iso,
[1670]	490	"%s %s -o %s/"MONDO_TMPISOS" . 2>> %s",
[1592]	491	mr_conf->iso_creation_cmd,mondo_mkisofs_sz, bkpinfo->tmpdir, MONDO_LOGFILE);
[1178]	492	} else {
	493	mr_asprintf(&call_before_iso_user, bkpinfo->call_before_iso);
[163]	494	sprintf (bkpinfo->call_before_iso,
[1670]	495	"(%s %s -o %s/"MONDO_TMPISOS" . 2>> %s ; %s )",
[1592]	496	mr_conf->iso_creation_cmd,mondo_mkisofs_sz, bkpinfo->tmpdir, MONDO_LOGFILE, call_before_iso_user);
[1178]	497	mr_free(call_before_iso_user);
[163]	498	}
	499	log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
[128]	500	sprintf(bkpinfo->call_make_iso,
[1670]	501	"%s %s %s dev=%s speed=%d %s/"MONDO_TMPISOS,
[1594]	502	mr_conf->iso_burning_cmd,
[1592]	503	extra_cdrom_params,
[1594]	504	mr_conf->iso_burning_opt,
	505	bkpinfo->iso_burning_dev,
	506	bkpinfo->writer_speed,
[1592]	507	bkpinfo->tmpdir);
[128]	508	} else {
[1594]	509	if (bkpinfo->backup_media_type == iso) {
	510	sprintf(bkpinfo->call_make_iso,
	511	"%s %s . 2>> %s",
	512	mr_conf->iso_creation_cmd,
	513	mondo_mkisofs_sz,
	514	MONDO_LOGFILE);
	515	} else {
	516	if (strstr(mr_conf->iso_burning_cmd,"growisofs") != NULL) {
	517	if (getenv ("SUDO_COMMAND")) {
	518	mr_asprintf(&command, "strings %s \| grep -c SUDO_COMMAND", mr_conf->iso_burning_cmd);
	519	if (!strcmp(call_program_and_get_last_line_of_output(command), "1")) {
	520	fatal_error("Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
	521	}
	522	mr_free(command);
[1592]	523	}
[1594]	524	sprintf(bkpinfo->call_make_iso,
	525	"%s %s %s %s -Z %s -speed=%d . 2>> %s",
	526	mr_conf->iso_burning_cmd,
	527	mondo_mkisofs_sz,
	528	extra_cdrom_params,
	529	mr_conf->iso_burning_opt,
	530	bkpinfo->iso_burning_dev,
	531	bkpinfo->writer_speed,
	532	MONDO_LOGFILE);
	533	} else {
	534	sprintf(bkpinfo->call_make_iso,
	535	"%s %s . 2>> %s \| %s %s %s dev=%s speed=%d -",
	536	mr_conf->iso_creation_cmd,
	537	mondo_mkisofs_sz,
	538	MONDO_LOGFILE,
	539	mr_conf->iso_burning_cmd,
	540	extra_cdrom_params,
	541	mr_conf->iso_burning_opt,
	542	bkpinfo->iso_burning_dev,
	543	bkpinfo->writer_speed);
[1592]	544	}
[1594]	545	mr_free(mondo_mkisofs_sz);
	546	mr_free(extra_cdrom_params);
[1592]	547	}
[128]	548	}
	549	} // end of CD code
[1]	550
[128]	551	if (bkpinfo->backup_media_type == iso) {
	552
[1]	553	/* Patch by Conor Daly <conor.daly@met.ie>
	554	* 23-june-2004
	555	* Break up isodir into iso_mnt and iso_path
	556	* These will be used along with iso-dev at restore time
	557	* to locate the ISOs where ever they're mounted
	558	*/
	559
[128]	560	log_it("isodir = %s", bkpinfo->isodir);
[1178]	561	mr_asprintf(&command, "df -P %s \| tail -n1 \| cut -d' ' -f1",
	562	bkpinfo->isodir);
[128]	563	log_it("command = %s", command);
[1178]	564	mr_asprintf(&iso_dev, call_program_and_get_last_line_of_output(command));
	565	mr_free(command);
[1087]	566	log_it("res of it = %s", iso_dev);
[1]	567
[1087]	568	fd1 = mr_fopen(MONDORESTORECFG, "a");
[1158]	569	mr_fprintf(fd1, "iso-dev=%s\n", iso_dev);
[1087]	570
[1178]	571	mr_asprintf(&command, "mount \| grep -w %s \| tail -n1 \| cut -d' ' -f3",
	572	iso_dev);
	573	mr_free(iso_dev);
	574
[128]	575	log_it("command = %s", command);
[1178]	576	mr_asprintf(&iso_mnt,call_program_and_get_last_line_of_output(command));
	577	mr_free(command);
[1087]	578
	579	log_it("res of it = %s", iso_mnt);
[1158]	580	mr_fprintf(fd1, "iso-mnt=%s\n", iso_mnt);
[128]	581	log_it("isomnt: %s, %d", iso_mnt, strlen(iso_mnt));
[1087]	582
[1178]	583	mr_asprintf(&iso_tmp, "%s", bkpinfo->isodir);
	584	if (strlen(iso_tmp) >= strlen(iso_mnt)) {
	585	mr_asprintf(&iso_path, "%s", iso_tmp + strlen(iso_mnt));
[128]	586	} else {
[1178]	587	mr_asprintf(&iso_path, "");
[128]	588	}
[1178]	589	mr_free(iso_tmp);
	590	mr_free(iso_mnt);
	591
[128]	592	log_it("isodir: %s", iso_path);
[1158]	593	mr_fprintf(fd1, "isodir=%s\n", iso_path);
[1178]	594	mr_free(iso_path);
[1087]	595
[148]	596	log_it("iso-prefix: %s", bkpinfo->prefix);
[1158]	597	mr_fprintf(fd1, "iso-prefix=%s\n", bkpinfo->prefix);
[1]	598
[1095]	599	mr_fclose(fd1);
[128]	600	} // end of iso code
[1]	601
[128]	602	if (bkpinfo->backup_media_type == nfs) {
[1178]	603	mr_asprintf(&hostname, bkpinfo->nfs_mount);
[128]	604	colon = strchr(hostname, ':');
	605	if (!colon) {
	606	log_it("nfs mount doesn't have a colon in it");
	607	retval++;
	608	} else {
	609	struct hostent *hent;
[1]	610
[128]	611	*colon = '\0';
	612	hent = gethostbyname(hostname);
	613	if (!hent) {
	614	log_it("Can't resolve NFS mount (%s): %s", hostname,
	615	hstrerror(h_errno));
	616	retval++;
	617	} else {
[1178]	618	mr_asprintf(&ip_address, "%s%s", inet_ntoa((struct in_addr)
	619	((struct in_addr ) hent->h_addr)),
	620	strchr(bkpinfo->nfs_mount, ':'));
[128]	621	strcpy(bkpinfo->nfs_mount, ip_address);
[1178]	622	mr_free(ip_address);
[128]	623	}
	624	}
[1663]	625	store_nfs_config();
[1178]	626	mr_free(hostname);
[128]	627	}
[1]	628
[128]	629	log_it("Finished processing incoming params");
	630	if (retval) {
	631	fprintf(stderr, "Type 'man mondoarchive' for help.\n");
	632	}
[1178]	633
[128]	634	if (strlen(bkpinfo->tmpdir) < 2 \|\| strlen(bkpinfo->scratchdir) < 2) {
	635	log_it("tmpdir or scratchdir are blank/missing");
	636	retval++;
	637	}
	638	if (bkpinfo->include_paths[0] == '\0') {
	639	// fatal_error ("Why no backup path?");
	640	strcpy(bkpinfo->include_paths, "/");
	641	}
	642	chmod(bkpinfo->scratchdir, 0700);
	643	g_backup_media_type = bkpinfo->backup_media_type;
[1178]	644	g_backup_media_string = bkpinfo->backup_media_string;
[128]	645	return (retval);
[1]	646	}
	647
	648
	649	/**
	650	* Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
	651	* Seeds the random-number generator, loads important modules, checks the sanity
	652	* of the user's Linux distribution, and deletes logfile.
	653	* @param bkpinfo The backup information structure. Will be initialized.
	654	* @return number of errors (0 for success)
	655	*/
[1663]	656	int pre_param_configuration()
[1]	657	{
[128]	658	int res = 0;
[1663]	659	char *tmp = NULL;
[1]	660
[128]	661	make_hole_for_dir(MNT_CDROM);
	662	assert(bkpinfo != NULL);
	663	srandom((unsigned long) (time(NULL)));
	664	insmod_crucial_modules();
	665	if (bkpinfo->disaster_recovery) {
	666	if (!does_nonMS_partition_exist()) {
	667	fatal_error
	668	("I am in disaster recovery mode\nPlease don't run mondoarchive.");
	669	}
	670	}
[1]	671
[1663]	672	asprintf(&tmp,"rm -Rf %s/changed.files*",MINDI_CACHE);
	673	run_program_and_log_output(tmp, FALSE);
	674	paranoid_free(tmp);
[128]	675	res += some_basic_system_sanity_checks();
	676	if (res) {
	677	log_it("Your distribution did not pass Mondo's sanity test.");
	678	}
	679	g_current_media_number = 1;
	680	bkpinfo->postnuke_tarball[0] = bkpinfo->nfs_mount[0] = '\0';
	681	return (res);
[1]	682	}
	683
[1663]	684	void setup_tmpdir(char *path) {
	685
	686	char *tmp = NULL;
	687	char *p = NULL;
[1]	688
[1663]	689	if (bkpinfo->tmpdir != NULL) {
	690	/* purging a potential old tmpdir */
	691	asprintf(&tmp,"rm -Rf %s",bkpinfo->tmpdir);
	692	system(tmp);
	693	paranoid_free(tmp);
	694	}
	695
	696	if (path != NULL) {
	697	asprintf(&tmp, "%s/mondo.tmp.XXXXXX", path);
	698	} else if (getenv("TMPDIR")) {
	699	asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMPDIR"));
	700	} else if (getenv("TMP")) {
	701	asprintf(&tmp, "%s/mondo.tmp.XXXXXX", getenv("TMP"));
	702	} else {
	703	asprintf(&tmp, "/tmp/mondo.tmp.XXXXXX");
	704	}
	705	p = mkdtemp(tmp);
	706	if (p == NULL) {
	707	log_it("Failed to create global tmp directory %s for Mondo.",tmp);
	708	finish(-1);
	709	}
	710	strcpy(bkpinfo->tmpdir,p);
	711	paranoid_free(tmp);
[1]	712
[1663]	713	//sprintf(bkpinfo->tmpdir, "%s/tmpfs/mondo.tmp.%d", "/tmp", (int) (random() % 32768)); // for mondorestore
	714	}
[1]	715
[1663]	716
[1]	717	/**
	718	* Reset all fields of the backup information structure to a sensible default.
	719	* @param bkpinfo The @c bkpinfo to reset.
	720	*/
[1663]	721	void reset_bkpinfo()
[1]	722	{
[1594]	723	char *tmp = NULL;
	724
[1107]	725	mr_msg(1, "Hi");
[1178]	726
[128]	727	assert(bkpinfo != NULL);
[1178]	728	/* BERLIOS : Useless ?? */
[128]	729	memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
[1178]	730
[1663]	731	/* special case for tmpdir as used eveywhere after */
	732	setup_tmpdir(NULL);
	733
[1609]	734	bkpinfo->manual_tray = mr_conf->manual_tray;
[1638]	735	bkpinfo->internal_tape_block_size = mr_conf->internal_tape_blocksize;
[1594]	736	mr_asprintf(&tmp,mr_conf->media_device);
	737	bkpinfo->media_device = tmp;
	738	mr_asprintf(&tmp,mr_conf->iso_burning_dev);
	739	bkpinfo->iso_burning_dev = tmp;
	740
	741	bkpinfo->media_size = mr_conf->iso_burning_speed;
[1669]	742	mr_asprintf(&tmp,mr_conf->kernel);
	743	bkpinfo->kernel_path = tmp;
	744
[1671]	745	if (strcmp(mr_conf->boot_loader,"LILO") == 0) {
	746	bkpinfo->boot_loader = 'L';
	747	} else if (strcmp(mr_conf->boot_loader,"GRUB") == 0) {
	748	bkpinfo->boot_loader = 'G';
	749	} else if (strcmp(mr_conf->boot_loader,"ELILO") == 0) {
	750	bkpinfo->boot_loader = 'E';
	751	} else if (strcmp(mr_conf->boot_loader,"RAW") == 0) {
	752	bkpinfo->boot_loader = 'R';
	753	} else if (strcmp(mr_conf->boot_loader,"DD") == 0) {
	754	bkpinfo->boot_loader = 'D';
	755	} else if (strcmp(mr_conf->boot_loader,"BOOT0") == 0) {
	756	bkpinfo->boot_loader = 'B';
	757	} else if (strcmp(mr_conf->boot_loader,"NATIVE") == 0) {
	758	bkpinfo->boot_loader = '\0';
	759	} else{
	760	mr_msg("Boot Loader %s unknown\n",mr_conf->boot_loader);
	761	fatal_error("Unknown Boot Loader in conf file");
	762	}
[128]	763	bkpinfo->boot_device[0] = '\0';
	764	bkpinfo->zip_exe[0] = '\0';
	765	bkpinfo->zip_suffix[0] = '\0';
	766	bkpinfo->restore_path[0] = '\0';
	767	bkpinfo->use_lzo = FALSE;
[998]	768	bkpinfo->use_gzip = FALSE;
[128]	769	bkpinfo->do_not_compress_these[0] = '\0';
	770	bkpinfo->verify_data = FALSE;
	771	bkpinfo->backup_data = FALSE;
	772	bkpinfo->restore_data = FALSE;
	773	bkpinfo->disaster_recovery =
	774	(am_I_in_disaster_recovery_mode()? TRUE : FALSE);
	775	if (bkpinfo->disaster_recovery) {
	776	strcpy(bkpinfo->isodir, "/");
	777	} else {
[1178]	778	strcpy(bkpinfo->isodir, "/var/cache/mondo/iso");
[128]	779	}
[1628]	780	mr_asprintf(&tmp,mr_conf->prefix);
	781	bkpinfo->prefix = tmp;
[1]	782
[128]	783	bkpinfo->scratchdir[0] = '\0';
	784	bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
	785	bkpinfo->optimal_set_size = 0;
	786	bkpinfo->backup_media_type = none;
[1178]	787	bkpinfo->backup_media_string[0] = '\0';
[128]	788	strcpy(bkpinfo->include_paths, "/");
	789	bkpinfo->exclude_paths[0] = '\0';
	790	bkpinfo->call_before_iso[0] = '\0';
	791	bkpinfo->call_make_iso[0] = '\0';
	792	bkpinfo->call_after_iso[0] = '\0';
	793	bkpinfo->image_devs[0] = '\0';
	794	bkpinfo->postnuke_tarball[0] = '\0';
	795	bkpinfo->nfs_mount[0] = '\0';
	796	bkpinfo->nfs_remote_dir[0] = '\0';
	797	bkpinfo->wipe_media_first = FALSE;
	798	bkpinfo->differential = FALSE;
[1594]	799	bkpinfo->writer_speed = mr_conf->iso_burning_speed;
[128]	800	bkpinfo->compression_level = 3;
[1]	801	}
	802
	803
	804	/**
	805	* Get the remaining free space (in MB) on @p partition.
	806	* @param partition The partition to check free space on (either a device or a mountpoint).
	807	* @return The free space on @p partition, in MB.
	808	*/
[128]	809	long free_space_on_given_partition(char *partition)
[1]	810	{
[1178]	811	char *command = NULL;
	812	char *out_sz = NULL;
	813	long res = 0L;
[1]	814
[128]	815	assert_string_is_neither_NULL_nor_zerolength(partition);
[1]	816
[1178]	817	mr_asprintf(&command, "df -m -P %s &> /dev/null", partition);
[128]	818	if (system(command)) {
	819	return (-1);
	820	} // partition does not exist
[1178]	821	mr_free(command);
	822
	823	mr_asprintf(&command, "df -m -P %s \| tail -n1 \| tr -s ' ' '\t' \| cut -f4",
[128]	824	partition);
[1178]	825	mr_asprintf(&out_sz, call_program_and_get_last_line_of_output(command));
	826	mr_free(command);
	827
[128]	828	if (strlen(out_sz) == 0) {
	829	return (-1);
	830	} // error within df, probably
	831	res = atol(out_sz);
[1178]	832	mr_free(out_sz);
[128]	833	return (res);
[1]	834	}
	835
	836
	837	/**
	838	* Check the user's system for sanity. Checks performed:
	839	* - make sure user has enough RAM (32mb required, 64mb recommended)
	840	* - make sure user has enough free space in @c /
	841	* - check kernel for ramdisk support
[1592]	842	* - make sure afio, cdrecord, bzip2, awk, md5sum, strings, mindi, and buffer exist
[1]	843	* - make sure CD-ROM is unmounted
	844	* - make sure /etc/modules.conf exists
	845	* - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
	846	*
	847	* @return number of problems with the user's setup (0 for success)
	848	*/
[128]	849	int some_basic_system_sanity_checks()
[1]	850	{
	851
[128]	852	/@ buffers *********** */
[1178]	853	char *tmp = NULL;
[1]	854
[128]	855	/@ int's ************** */
	856	int retval = 0;
	857	long Lres;
[1]	858
	859
[1178]	860	mvaddstr_and_log_it(g_currentY, 0,
	861	"Checking sanity of your Linux distribution");
[1]	862	#ifndef __FreeBSD__
[128]	863	if (system("which mkfs.vfat &> /dev/null")
	864	&& !system("which mkfs.msdos &> /dev/null")) {
	865	log_it
	866	("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
	867	run_program_and_log_output
	868	("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
	869	}
[1178]	870	mr_asprintf(&tmp,
[128]	871	call_program_and_get_last_line_of_output
	872	("free \| grep Mem \| head -n1 \| tr -s ' ' '\t' \| cut -f2"));
	873	if (atol(tmp) < 35000) {
	874	retval++;
[1178]	875	log_to_screen(_("You must have at least 32MB of RAM to use Mondo."));
[128]	876	}
	877	if (atol(tmp) < 66000) {
	878	log_to_screen
[1178]	879	(_("WARNING! You have very little RAM. Please upgrade to 64MB or more."));
[128]	880	}
[1178]	881	mr_free(tmp);
[1]	882	#endif
	883
[1438]	884	Lres = free_space_on_given_partition(MONDO_CACHE);
[128]	885	log_it("Free space on given partition = %ld MB", Lres);
[1]	886
[128]	887	if (Lres < 50) {
[1438]	888	fatal_error("Your "MONDO_CACHE" partition has <50MB free. Please adjust your partition table to something saner or make "MONDO_CACHE" a symbolic link");
[128]	889	}
[1]	890
[128]	891	if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
	892	retval++;
	893	log_to_screen
	894	("Unable to find " MKE2FS_OR_NEWFS " in system path.");
	895	fatal_error
	896	("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. :)");
	897	}
[1]	898	#ifndef __FreeBSD__
[128]	899	if (run_program_and_log_output
[273]	900	("grep ramdisk /proc/devices", FALSE)) {
[128]	901	if (!ask_me_yes_or_no
[1178]	902	(_("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?")))
[128]	903	{
	904	// retval++;
	905	log_to_screen
[1178]	906	(_("It looks as if your kernel lacks ramdisk and initrd support."));
[128]	907	log_to_screen
[1178]	908	(_("I'll allow you to proceed but FYI, if I'm right, your kernel is broken."));
[128]	909	}
	910	}
[1]	911	#endif
[1594]	912	retval += whine_if_not_found(mr_conf->iso_creation_cmd);
	913	retval += whine_if_not_found(mr_conf->iso_burning_cmd);
[128]	914	retval += whine_if_not_found(MKE2FS_OR_NEWFS);
	915	retval += whine_if_not_found("bzip2");
[998]	916	retval += whine_if_not_found("gzip");
[128]	917	retval += whine_if_not_found("awk");
	918	retval += whine_if_not_found("md5sum");
	919	retval += whine_if_not_found("strings");
	920	retval += whine_if_not_found("mindi");
	921	retval += whine_if_not_found("buffer");
[1]	922
[128]	923	// abort if Windows partition but no ms-sys and parted
	924	if (!run_program_and_log_output
[680]	925	("mount \| grep -w vfat \| grep -vE \"/dev/fd\|nexdisk\"", 0)
[128]	926	\|\|
	927	!run_program_and_log_output
[680]	928	("mount \| grep -w dos \| grep -vE \"/dev/fd\|nexdisk\"", 0)) {
[1178]	929	log_to_screen(_("I think you have a Windows 9x partition."));
[128]	930	retval += whine_if_not_found("parted");
[1]	931	#ifndef __IA64__
[128]	932	/* IA64 always has one vfat partition for EFI even without Windows */
	933	// retval +=
	934	if (!find_home_of_exe("ms-sys")) {
[541]	935	log_to_screen("Please install ms-sys just in case.");
[128]	936	}
	937	#endif
[1]	938	}
	939
[128]	940	if (!find_home_of_exe("cmp")) {
	941	if (!find_home_of_exe("true")) {
	942	whine_if_not_found("cmp");
	943	} else {
	944	log_to_screen
[541]	945	("Your system lacks the 'cmp' binary. I'll create a dummy cmp for you.");
[128]	946	if (run_program_and_log_output
	947	("cp -f `which true` /usr/bin/cmp", 0)) {
	948	fatal_error("Failed to create dummy 'cmp' file.");
	949	}
	950	}
[1]	951	}
[128]	952	run_program_and_log_output
	953	("umount `mount \| grep cdr \| cut -d' ' -f3 \| tr '\n' ' '`", 5);
[1178]	954	mr_asprintf(&tmp,
[128]	955	call_program_and_get_last_line_of_output
	956	("mount \| grep -E \"cdr(om\|w)\""));
	957	if (strcmp("", tmp)) {
	958	if (strstr(tmp, "autofs")) {
	959	log_to_screen
[1178]	960	(_("Your CD-ROM is mounted via autofs. I therefore cannot tell"));
[128]	961	log_to_screen
[1178]	962	(_("if a CD actually is inserted. If a CD is inserted, please"));
	963	log_to_screen(_("eject it. Thank you."));
[128]	964	log_it
	965	("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
	966	} else
	967	if (run_program_and_log_output("uname -a \| grep Knoppix", 5)) {
	968	retval++;
	969	fatal_error
	970	("Your CD-ROM drive is mounted. Please unmount it.");
	971	}
	972	}
[1178]	973	mr_free(tmp);
[1]	974	#ifndef __FreeBSD__
[128]	975	if (!does_file_exist("/etc/modules.conf")) {
	976	if (does_file_exist("/etc/conf.modules")) {
	977	log_it("Linking /etc/modules.conf to /etc/conf.modules");
	978	run_program_and_log_output
	979	("ln -sf /etc/conf.modules /etc/modules.conf", 5);
	980	} else if (does_file_exist("/etc/modprobe.d")) {
	981	log_it
	982	("Directory /etc/modprobe.d found. mindi will use its contents.");
	983	} else if (does_file_exist("/etc/modprobe.conf")) {
	984	log_it("Linking /etc/modules.conf to /etc/modprobe.conf");
	985	run_program_and_log_output
	986	("ln -sf /etc/modprobe.conf /etc/modules.conf", 5);
	987	} else {
	988	retval++;
	989	log_to_screen
[1178]	990	(_("Please find out what happened to /etc/modules.conf"));
[128]	991	}
[1]	992	}
	993	#endif
	994
[128]	995	run_program_and_log_output("cat /etc/fstab", 5);
[1]	996	#ifdef __FreeBSD__
[128]	997	run_program_and_log_output("vinum printconfig", 5);
[1]	998	#else
[128]	999	run_program_and_log_output("cat /etc/raidtab", 5);
[1]	1000	#endif
	1001
[128]	1002	if (run_program_and_log_output("mindi -V", 1)) {
[1178]	1003	log_to_screen(_("Could not ascertain mindi's version number."));
[128]	1004	log_to_screen
[1178]	1005	(_("You have not installed Mondo and/or Mindi properly."));
	1006	log_to_screen(_("Please uninstall and reinstall them both."));
[128]	1007	fatal_error("Please reinstall Mondo and Mindi.");
	1008	}
[1663]	1009	mr_asprintf(&tmp, "mindi --makemountlist %s/mountlist.txt.test", bkpinfo->tmpdir);
	1010	if (run_program_and_log_output(tmp, 5)) {
	1011	log_to_screen(tmp);
[128]	1012	log_to_screen
[1663]	1013	(_("failed for some reason."));
[128]	1014	log_to_screen
[1178]	1015	(_("Please run that command by hand and examine /var/log/mindi.log"));
[128]	1016	log_to_screen
[1178]	1017	(_("for more information. Perhaps your /etc/fstab file is insane."));
[128]	1018	log_to_screen
[1178]	1019	(_("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see."));
[128]	1020	retval++;
	1021	}
[1663]	1022	mr_free(tmp);
[1]	1023
[196]	1024	if (!run_program_and_log_output("parted2fdisk -l \| grep -i raid", 1)
[128]	1025	&& !does_file_exist("/etc/raidtab")) {
	1026	log_to_screen
[1252]	1027	(_("You have RAID partitions but no /etc/raidtab - creating one from "MDSTAT_FILE));
[558]	1028	create_raidtab_from_mdstat("/etc/raidtab");
[128]	1029	}
	1030
	1031	if (retval) {
[1178]	1032	mvaddstr_and_log_it(g_currentY++, 74, _("Failed."));
[128]	1033	} else {
[1178]	1034	mvaddstr_and_log_it(g_currentY++, 74, _("Done."));
[128]	1035	}
	1036	return (retval);
[1]	1037	}
	1038
	1039	/**
	1040	* Retrieve the line containing @p label from the config file.
	1041	* @param config_file The file to read from, usually @c /tmp/mondo-restore.cfg.
	1042	* @param label What to read from the file.
	1043	* @param value Where to put it.
	1044	* @return 0 for success, 1 for failure.
	1045	*/
[128]	1046	int read_cfg_var(char config_file, char label, char *value)
[1]	1047	{
[128]	1048	/@ buffer ***************************************************** */
[1178]	1049	char *command = NULL;
	1050	char *tmp = NULL;
[1]	1051
[128]	1052	/@ end vars ************************************************** */
[1]	1053
[128]	1054	assert_string_is_neither_NULL_nor_zerolength(config_file);
	1055	assert_string_is_neither_NULL_nor_zerolength(label);
[1178]	1056
[128]	1057	if (!does_file_exist(config_file)) {
[1178]	1058	mr_asprintf(&tmp, "(read_cfg_var) Cannot find %s config file",
	1059	config_file);
[128]	1060	log_to_screen(tmp);
[1178]	1061	mr_free(tmp);
[128]	1062	value[0] = '\0';
	1063	return (1);
[1178]	1064	/* } BERLIOS: Useless:
	1065	else if (strstr(value, "/dev/") && strstr(value, "t0")
[128]	1066	&& !strcmp(label, "media-dev")) {
[1107]	1067	mr_msg(2, "FYI, I shan't read new value for %s - already got %s",
[128]	1068	label, value);
	1069	return (0);
[1178]	1070	*/ } else {
	1071	mr_asprintf(&command, "grep '%s .*' %s\| cut -d'=' -f2,3,4,5",
[148]	1072	label, config_file);
[128]	1073	strcpy(value, call_program_and_get_last_line_of_output(command));
[1178]	1074	mr_free(command);
[128]	1075	if (strlen(value) == 0) {
	1076	return (1);
	1077	} else {
	1078	return (0);
	1079	}
[1]	1080	}
	1081	}
	1082
	1083
	1084	/**
	1085	* Remount @c supermount if it was unmounted earlier.
	1086	*/
	1087	void remount_supermounts_if_necessary()
	1088	{
[128]	1089	if (g_remount_cdrom_at_end) {
	1090	run_program_and_log_output("mount " MNT_CDROM, FALSE);
	1091	}
[1]	1092	}
	1093
	1094	/**
	1095	* Unmount @c supermount if it's mounted.
	1096	*/
	1097	void unmount_supermounts_if_necessary()
	1098	{
[128]	1099	if (run_program_and_log_output
	1100	("mount \| grep cdrom \| grep super", FALSE) == 0) {
	1101	g_remount_cdrom_at_end = TRUE;
	1102	run_program_and_log_output("umount " MNT_CDROM, FALSE);
	1103	}
[1]	1104	}
	1105
	1106	/**
	1107	* If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
	1108	*/
	1109	void mount_boot_if_necessary()
	1110	{
[1178]	1111	char *tmp = NULL;
	1112	char *tmp1 = NULL;
	1113	char *command = NULL;
[1]	1114
[1107]	1115	mr_msg(1, "Started sub");
	1116	mr_msg(4, "About to set g_boot_mountpt[0] to '\\0'");
[128]	1117	g_boot_mountpt[0] = '\0';
[1178]	1118	mr_msg(4, "Done. Great. Setting command to something");
	1119	mr_asprintf(&command,
	1120	"grep -v ':' /etc/fstab \| grep -vE '^#.*$' \| grep -E \"[ ]/boot[ ]\" \| tr -s ' ' '\t' \| cut -f1 \| head -n1");
[1107]	1121	mr_msg(4, "Cool. Command = '%s'", command);
[1178]	1122	mr_asprintf(&tmp, call_program_and_get_last_line_of_output(command));
	1123	mr_free(command);
	1124
[1107]	1125	mr_msg(4, "tmp = '%s'", tmp);
[128]	1126	if (tmp[0]) {
	1127	log_it("/boot is at %s according to /etc/fstab", tmp);
[1373]	1128	if ((strstr(tmp, "LABEL=") \|\| strstr(tmp,"UUID="))) {
[128]	1129	if (!run_program_and_log_output("mount /boot", 5)) {
	1130	strcpy(g_boot_mountpt, "/boot");
[1107]	1131	mr_msg(1, "Mounted /boot");
[128]	1132	} else {
[1373]	1133	log_it("...ignored cos it's a label or uuid :-)");
[128]	1134	}
	1135	} else {
[1178]	1136	mr_asprintf(&command, "mount \| grep -E '^%s'", tmp);
[1107]	1137	mr_msg(3, "command = %s", command);
[128]	1138	if (run_program_and_log_output(command, 5)) {
	1139	strcpy(g_boot_mountpt, tmp);
[1178]	1140	mr_asprintf(&tmp1,
[128]	1141	"%s (your /boot partition) is not mounted. I'll mount it before backing up",
	1142	g_boot_mountpt);
[1178]	1143	log_it(tmp1);
	1144	mr_free(tmp1);
	1145
	1146	mr_asprintf(&tmp1, "mount %s", g_boot_mountpt);
	1147	if (run_program_and_log_output(tmp1, 5)) {
[128]	1148	g_boot_mountpt[0] = '\0';
[1107]	1149	mr_msg(1, "Plan B");
[128]	1150	if (!run_program_and_log_output("mount /boot", 5)) {
	1151	strcpy(g_boot_mountpt, "/boot");
[1107]	1152	mr_msg(1, "Plan B worked");
[128]	1153	} else {
[1107]	1154	mr_msg(1,
[128]	1155	"Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
	1156	}
	1157	}
[1178]	1158	mr_free(tmp1);
[128]	1159	}
[1178]	1160	mr_free(command);
[128]	1161	}
[1]	1162	}
[1178]	1163	mr_free(tmp);
[1107]	1164	mr_msg(1, "Ended sub");
[1]	1165	}
	1166
	1167
	1168	/**
	1169	* If we mounted /boot earlier, unmount it.
	1170	*/
	1171	void unmount_boot_if_necessary()
	1172	{
[1178]	1173	char *tmp;
[1]	1174
[1107]	1175	mr_msg(3, "starting");
[128]	1176	if (g_boot_mountpt[0]) {
[1178]	1177	mr_asprintf(&tmp, "umount %s", g_boot_mountpt);
[128]	1178	if (run_program_and_log_output(tmp, 5)) {
	1179	log_it("WARNING - unable to unmount /boot");
	1180	}
[1178]	1181	mr_free(tmp);
[128]	1182	}
[1107]	1183	mr_msg(3, "leaving");
[1]	1184	}
	1185
	1186
	1187	/**
	1188	* Write a line to a configuration file. Writes a line of the form,
	1189	* @c label @c value.
	1190	* @param config_file The file to write to. Usually @c mondo-restore.cfg.
	1191	* @param label What to call this bit of data you're writing.
	1192	* @param value The bit of data you're writing.
	1193	* @return 0 for success, 1 for failure.
	1194	*/
[128]	1195	int write_cfg_var(char config_file, char label, char *value)
[1]	1196	{
[128]	1197	/@ buffers **************************************************** */
[1178]	1198	char *command = NULL;
	1199	char *tempfile = NULL;
	1200	char *tmp = NULL;
[1]	1201
	1202
[128]	1203	/@ end vars ************************************************** */
	1204	assert_string_is_neither_NULL_nor_zerolength(config_file);
	1205	assert_string_is_neither_NULL_nor_zerolength(label);
	1206	assert(value != NULL);
[1178]	1207
[128]	1208	if (!does_file_exist(config_file)) {
[1178]	1209	mr_asprintf(&tmp, "(write_cfg_file) Cannot find %s config file",
	1210	config_file);
[128]	1211	log_to_screen(tmp);
[1178]	1212	mr_free(tmp);
[128]	1213	return (1);
	1214	}
[1663]	1215	mr_asprintf(&tempfile, "%s/mojo-jojo.blah", bkpinfo->tmpdir);
[128]	1216	if (does_file_exist(config_file)) {
[1178]	1217	mr_asprintf(&command, "grep -vE '^%s .*$' %s > %s",
[148]	1218	label, config_file, tempfile);
[128]	1219	paranoid_system(command);
[1178]	1220	mr_free(command);
[128]	1221	}
[1178]	1222	mr_asprintf(&command, "echo \"%s %s\" >> %s", label, value, tempfile);
[128]	1223	paranoid_system(command);
[1178]	1224	mr_free(command);
	1225
	1226	mr_asprintf(&command, "mv -f %s %s", tempfile, config_file);
[128]	1227	paranoid_system(command);
[1178]	1228	mr_free(command);
[128]	1229	unlink(tempfile);
[1178]	1230	mr_free(tempfile);
[128]	1231	return (0);
[1]	1232	}
	1233
[541]	1234
[1]	1235	/**
	1236	* Allocate or free important globals, depending on @p mal.
	1237	* @param mal If TRUE, malloc; if FALSE, free.
	1238	*/
	1239	void do_libmondo_global_strings_thing(int mal)
	1240	{
[128]	1241	if (mal) {
	1242	malloc_string(g_boot_mountpt);
	1243	malloc_string(g_tmpfs_mountpt);
	1244	malloc_string(g_erase_tmpdir_and_scratchdir);
	1245	malloc_string(g_serial_string);
	1246	malloc_string(g_magicdev_command);
	1247	} else {
[1080]	1248	mr_free(g_boot_mountpt);
	1249	mr_free(g_tmpfs_mountpt);
	1250	mr_free(g_erase_tmpdir_and_scratchdir);
	1251	mr_free(g_serial_string);
	1252	mr_free(g_magicdev_command);
[128]	1253	}
[1]	1254	}
	1255
	1256	/**
	1257	* Allocate important globals.
	1258	* @see do_libmondo_global_strings_thing
	1259	*/
	1260	void malloc_libmondo_global_strings(void)
	1261	{
[128]	1262	do_libmondo_global_strings_thing(1);
[1]	1263	}
	1264
	1265	/**
	1266	* Free important globals.
	1267	* @see do_libmondo_global_strings_thing
	1268	*/
	1269	void free_libmondo_global_strings(void)
	1270	{
[128]	1271	do_libmondo_global_strings_thing(0);
[1]	1272	}
	1273
	1274
	1275
	1276	/**
	1277	* Stop @c magicdev if it's running.
	1278	* The command used to start it is saved in @p g_magicdev_command.
	1279	*/
	1280	void stop_magicdev_if_necessary()
	1281	{
[128]	1282	strcpy(g_magicdev_command,
	1283	call_program_and_get_last_line_of_output
	1284	("ps ax \| grep -w magicdev \| grep -v grep \| tr -s '\t' ' '\| cut -d' ' -f6-99"));
	1285	if (g_magicdev_command[0]) {
[1107]	1286	mr_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
[128]	1287	paranoid_system("killall magicdev");
	1288	}
[1]	1289	}
	1290
	1291
	1292	/**
	1293	* Restart magicdev if it was stopped.
	1294	*/
	1295	void restart_magicdev_if_necessary()
	1296	{
[1178]	1297	char *tmp = NULL;
[128]	1298
	1299	if (g_magicdev_command && g_magicdev_command[0]) {
[1178]	1300	mr_asprintf(&tmp, "%s &", g_magicdev_command);
[128]	1301	paranoid_system(tmp);
[1178]	1302	mr_free(tmp);
[128]	1303	}
[1]	1304	}
	1305
	1306	/* @} - end of utilityGroup */

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