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source: MondoRescue/branches/3.3/mondo/src/common/libmondo-tools.c@ 3885

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Last change on this file since 3885 was 3885, checked in by Bruno Cornec, 3 months ago
Removes support for ia64 depracated in upstream kernel, and elilo
Property svn:keywords set to `Id`
File size: 39.6 KB

Rev	Line
[2030]	1	/*
[99]	2	$Id: libmondo-tools.c 3885 2024-03-10 18:23:12Z bruno $
[1]	3	*/
	4
	5
	6	/**
	7	* @file
	8	* Miscellaneous tools that didn't really fit anywhere else.
	9	*/
	10
	11	#include "my-stuff.h"
[2211]	12	#include "mr_mem.h"
[3500]	13	#include "mr_sys.h"
[1]	14	#include "mondostructures.h"
[3871]	15
[541]	16	#include "libmondo-gui-EXT.h"
[1]	17	#include "libmondo-files-EXT.h"
	18	#include "libmondo-fork-EXT.h"
	19	#include "libmondo-raid-EXT.h"
[1917]	20	#include "libmondo-devices-EXT.h"
[1]	21	#include <sys/socket.h>
	22	#include <netdb.h>
[1653]	23	#include <stdlib.h>
[1]	24	#include <netinet/in.h>
	25	#include <arpa/inet.h>
[1375]	26	#include <sys/utsname.h>
[1]	27
	28	/@unused@/
[99]	29	//static char cvsid[] = "$Id: libmondo-tools.c 3885 2024-03-10 18:23:12Z bruno $";
[1]	30
	31	extern int g_tape_buffer_size_MB;
	32	extern bool g_text_mode;
	33	extern int g_currentY;
	34	extern int g_current_media_number;
[1316]	35	extern char *MONDO_LOGFILE;
[1]	36
[1645]	37	/* Reference to global bkpinfo */
	38	extern struct s_bkpinfo *bkpinfo;
	39
[1]	40	/**
	41	* @addtogroup globalGroup
	42	* @{
	43	*/
[3756]	44	bool g_remount_cdrom_at_end; ///< TRUE if we unmounted the CD-ROM and should remount it when done with the backup.
[3268]	45	bool g_cd_recovery = FALSE; ///< TRUE if we're making an "autonuke" backup.
[1]	46	double g_kernel_version;
	47
	48	/**
	49	* The place where /boot is mounted.
	50	*/
[128]	51	char *g_boot_mountpt = NULL;
[1]	52
	53	/**
	54	* The location of Mondo's home directory.
	55	*/
[3790]	56	extern char *g_mondo_home;
[1]	57
	58	/**
	59	* The location where tmpfs is mounted, or "" if it's not mounted.
[2030]	60	char *g_tmpfs_mountpt = NULL;
[1]	61	*/
[128]	62	char *g_magicdev_command = NULL;
[1]	63
	64	/**
	65	* The default maximum level to log messages at or below.
	66	*/
[128]	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
[1917]	77	/-----------------------------------------------------------/
	78
	79
[1]	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	*/
[128]	94	void _mondo_assert_fail(const char *file,
	95	const char function, int line, const char exp)
[1]	96	{
[128]	97	static int ignoring_assertions = 0;
	98	bool is_valid = TRUE;
[1]	99
[3613]	100	log_it("ASSERTION FAILED: `%s' at %s:%d in %s", exp, file, line, function);
[128]	101	if (ignoring_assertions) {
	102	log_it("Well, the user doesn't care...");
	103	return;
	104	}
	105	if (!g_text_mode)
	106	newtSuspend();
[541]	107	printf("ASSERTION FAILED: `%s'\n", exp);
	108	printf("\tat %s:%d in %s\n\n", file, line, function);
	109	printf("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
[128]	110	do {
	111	is_valid = TRUE;
	112	switch (toupper(getchar())) {
	113	case 'A': // ignore (A)ll
	114	ignoring_assertions = 1;
	115	break;
	116	case 'B': // a(B)ort
	117	signal(SIGABRT, SIG_DFL); /* prevent SIGABRT handler from running */
	118	raise(SIGABRT);
	119	break; /* "can't get here" */
	120	case 'D': // (D)ebug, aka asm("int 3")
[1]	121	#ifdef __IA32__
[128]	122	__asm__ __volatile__("int $3"); // break to debugger
[1]	123	#endif
[128]	124	break;
	125	case 'E': // (E)xit
	126	fatal_error("Failed assertion -- see above for details");
	127	break; /* "can't get here" */
	128	case 'I': // (I)gnore
	129	break;
	130	/* These next two work as follows:
	131	the `default' catches the user's invalid choice and says so;
	132	the '\n' catches the newline on the end and prints the prompt again.
	133	*/
	134	case '\n':
[3613]	135	printf("(I)gnore, ignore (A)ll, (D)ebug, a(B)ort, or (E)xit? ");
[128]	136	break;
	137	default:
	138	is_valid = FALSE;
[541]	139	printf("Invalid choice.\n");
[128]	140	break;
	141	}
	142	} while (!is_valid);
	143
	144	if (ignoring_assertions) {
	145	log_it("Ignoring ALL assertions from now on.");
	146	} else {
	147	log_it("Ignoring assertion: %s", exp);
[1]	148	}
	149
[128]	150	getchar(); // skip \n
[1]	151
[128]	152	if (!g_text_mode)
	153	newtResume();
[1]	154	}
	155
	156	/**
	157	* Clean's up users' KDE desktops.
	158	* @bug Details about this function are unknown.
	159	*/
	160	void clean_up_KDE_desktop_if_necessary(void)
	161	{
[3191]	162	char *tmp = NULL;
[1]	163
[3191]	164	mr_asprintf(tmp, "for i in `find /root /home -maxdepth 2 -type d -name Desktop -maxdepth 2`; do file=$i/.directory; if [ -f \"$file\" ] ; then mv -f $file $file.old ; awk '{if (index($0, \"rootimagesmindi\")) { while (length($0)>2) { getline;} ; } else { print $0;};}' $file.old > $file ; fi ; done");
[128]	165	run_program_and_log_output(tmp, 5);
[3191]	166	mr_free(tmp);
[1]	167	}
	168
	169
	170	/**
	171	* Locate mondoarchive's home directory. Searches in /usr/local/mondo, /usr/share/mondo,
	172	* /usr/local/share/mondo, /opt, or if all else fails, search /usr.
	173	*
	174	* @param home_sz String to store the home directory ("" if it could not be found).
	175	* @return 0 for success, nonzero for failure.
	176	*/
	177	int find_and_store_mondoarchives_home(char *home_sz)
	178	{
[128]	179	assert(home_sz != NULL);
[424]	180	strcpy(home_sz, MONDO_SHARE);
[182]	181	return (0);
[1]	182	}
	183
	184
[1375]	185	char *get_architecture(void) {
[1]	186	#ifdef __IA32__
[1375]	187	# ifdef __X86_64__
	188	return ("x86_64");
	189	# else
	190	return ("i386");
	191	# endif
[1]	192	#endif
[128]	193	return ("unknown");
[1]	194	}
	195
	196
[1375]	197	char *get_uname_m(void) {
[1]	198
[1375]	199	struct utsname utsn;
	200	char *tmp = NULL;
	201
	202	uname(&utsn);
[3185]	203	mr_asprintf(tmp, "%s", utsn.machine);
[1375]	204	return (tmp);
	205	}
	206
	207
	208
	209	double get_kernel_version(void)
[1]	210	{
[3191]	211	char *p = NULL;
	212	char *tmp = NULL;
[128]	213	double d;
[1]	214	#ifdef __FreeBSD__
[128]	215	// JOSH - FIXME :)
	216	d = 5.2; // :-)
[1]	217	#else
[3610]	218	tmp = call_program_and_get_last_line_of_output("uname -r");
[128]	219	p = strchr(tmp, '.');
	220	if (p) {
	221	p = strchr(++p, '.');
	222	if (p) {
	223	while (*p) {
	224	p = (p + 1);
	225	p++;
	226	}
	227	}
	228	}
	229	d = atof(tmp);
[3191]	230	mr_free(tmp);
[1]	231	#endif
[128]	232	log_msg(1, "g_kernel_version = %f", d);
[3871]	233
	234	if (g_kernel_version < 2.6) {
	235	fatal_error("Please use MondoRescue < 3.3.0 to support that old kernel or upgrade your distribution :-)");
	236	}
	237	return(d);
[1]	238	}
	239
	240
	241	/**
	242	* Get the current time.
	243	* @return number of seconds since the epoch.
	244	*/
[128]	245	long get_time()
[1]	246	{
[128]	247	return (long) time((void *) 0);
[1]	248	}
	249
	250
	251	/**
	252	* Initialize a RAID volume structure, setting fields to zero. The
	253	* actual hard drive is unaffected.
	254	*
	255	* @param raidrec The RAID volume structure to initialize.
	256	* @note This function is system dependent.
	257	*/
	258	#ifdef __FreeBSD__
[128]	259	void initialize_raidrec(struct vinum_volume *raidrec)
[1]	260	{
[128]	261	int i, j;
	262	raidrec->volname[0] = '\0';
	263	raidrec->plexes = 0;
	264	for (i = 0; i < 9; ++i) {
	265	raidrec->plex[i].raidlevel = -1;
	266	raidrec->plex[i].stripesize = 0;
	267	raidrec->plex[i].subdisks = 0;
	268	for (j = 0; j < 9; ++j) {
	269	strcpy(raidrec->plex[i].sd[j].which_device, "");
	270	}
	271	}
[1]	272	}
	273	#else
[128]	274	void initialize_raidrec(struct raid_device_record *raidrec)
[1]	275	{
[128]	276	assert(raidrec != NULL);
	277	raidrec->raid_device[0] = '\0';
[558]	278	raidrec->raid_level = -9;
[128]	279	raidrec->persistent_superblock = 1;
[558]	280	raidrec->chunk_size = 64;
	281	raidrec->parity = -1;
[128]	282	raidrec->data_disks.entries = 0;
	283	raidrec->spare_disks.entries = 0;
	284	raidrec->parity_disks.entries = 0;
	285	raidrec->failed_disks.entries = 0;
	286	raidrec->additional_vars.entries = 0;
[1]	287	}
	288	#endif
	289
	290
	291
	292
	293	/**
	294	* Insert modules that Mondo requires.
[1236]	295	* Currently inserts @c msdos, @c vfat, and @c loop for Linux;
[1]	296	* @c msdosfs and @c ext2fs for FreeBSD.
	297	*/
	298	void insmod_crucial_modules(void)
	299	{
	300	#ifdef __FreeBSD__
[3060]	301	paranoid_system("kldstat \| grep msdosfs \|\| kldload msdosfs 2> /dev/null");
	302	paranoid_system("kldstat \| grep ext2fs \|\| kldload ext2fs 2> /dev/null");
[1]	303	#else
[3060]	304	paranoid_system("modprobe -a msdos vfat loop &> /dev/null");
[1]	305	#endif
	306	}
	307
[3794]	308	/* compute the final options for bootable media, considering the command and the boot type */
[3665]	309	char mr_compute_uefi_string(char isofs_cmd) {
	310
	311	char *uefistr = NULL;
	312	char *mondo_mkisofs_sz = NULL;
	313
	314	/* real media */
	315	if (strstr(isofs_cmd,"growisofs")) {
	316	mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_SYSLINUX);
	317	} else {
	318	/* iso image */
	319	if (bkpinfo->boot_type == UEFI) {
	320	if (strstr(isofs_cmd,"xorriso")) {
	321	/* xorriso needs another '-' before efi-boot */
	322	mr_asprintf(uefistr, "%s -%s", MONDO_UEFI_PREFIX, MONDO_MKISOFS_UEFI);
	323	} else {
	324	mr_asprintf(uefistr, "%s %s", MONDO_UEFI_PREFIX, MONDO_MKISOFS_UEFI);
	325	}
	326	} else {
	327	mr_asprintf(uefistr, "%s",MONDO_MKISOFS_CMS);
	328	}
	329	mr_asprintf(mondo_mkisofs_sz, "%s%s%s ", isofs_cmd, MONDO_MKISOFS_REGULAR_SYSLINUX, uefistr);
	330	}
	331
	332	return(mondo_mkisofs_sz);
	333	}
	334
[1]	335	/**
	336	* Finish configuring the backup information structure. Call this function
	337	* to set the parameters that depend on those that can be given on the command
	338	* line.
	339	*
	340	* @param bkpinfo The backup information structure. Fields modified/used:
	341	* - Used: @c bkpinfo->backup_data
	342	* - Used: @c bkpinfo->backup_media_type
	343	* - Used: @c bkpinfo->compression_level
	344	* - Used: @c bkpinfo->include_paths
[20]	345	* - Used: @c bkpinfo->prefix
[1]	346	* - Used: @c bkpinfo->isodir
	347	* - Used: @c bkpinfo->manual_cd_tray
	348	* - Used: @c bkpinfo->make_cd_use_lilo
	349	* - Used: @c bkpinfo->media_device
[2380]	350	* - Used: @c bkpinfo->netfs_mount
[1]	351	* - Used: @c bkpinfo->scratchdir
	352	* - Used: @c bkpinfo->tmpdir
	353	* - Used: @c bkpinfo->use_lzo
	354	* - Modified: @c bkpinfo->call_before_iso
	355	* - Modified: @c bkpinfo->call_make_iso
	356	* - Modified: @c bkpinfo->optimal_set_size
	357	* - Modified: @c bkpinfo->zip_exe
	358	* - Modified: @c bkpinfo->zip_suffix
	359	*
	360	* @return number of errors, or 0 for success.
	361	* @note Also creates directories that are specified in the @c bkpinfo structure but
	362	* do not exist.
	363	*/
[1645]	364	int post_param_configuration()
[1]	365	{
[2211]	366	char *extra_cdrom_params = NULL;
	367	char *mondo_mkisofs_sz = NULL;
[2518]	368	char *command = NULL;
[2848]	369	char *isofs_cmd = NULL;
[128]	370	int retval = 0;
[3191]	371	char *cdr_exe = NULL;
[2518]	372	char *tmp = NULL;
[3191]	373	char *call_before_iso_user = NULL;
[2518]	374	char *iso_dev = NULL;
	375	char *iso_mnt = NULL;
	376	char *iso_tmp = NULL;
[3278]	377	char *iso_dir = NULL;
[1]	378
[128]	379	assert(bkpinfo != NULL);
[3191]	380
[3318]	381	bkpinfo->optimal_set_size = (IS_THIS_A_STREAMING_BACKUP(bkpinfo->backup_media_type) ? 16 : 16) * 1024L;
[1]	382
[2658]	383	log_msg(1, "Post-param");
[128]	384	if (bkpinfo->backup_media_type == tape) {
[2926]	385	if (whine_if_not_found("mt") == 1) {
	386	fatal_error("Please install the mt command");
	387	}
[2658]	388	log_msg(1, "Tape");
[3191]	389	if (bkpinfo->media_device == NULL) {
	390	return(1);
	391	}
[3185]	392	mr_asprintf(tmp, "mt -f %s status", bkpinfo->media_device);
[128]	393	log_msg(1, "tmp = '%s'", tmp);
	394	if (run_program_and_log_output(tmp, 3)) {
[2518]	395	mr_free(tmp);
[3205]	396	fatal_error("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.");
[128]	397	}
[2518]	398	mr_free(tmp);
[1]	399	}
[128]	400	if (bkpinfo->backup_media_type == iso)
	401	make_hole_for_dir(bkpinfo->isodir);
[1]	402
[128]	403	run_program_and_log_output("uname -a", 5);
[678]	404	run_program_and_log_output("cat /etc/*-release", 5);
[128]	405	run_program_and_log_output("cat /etc/issue", 5);
[1]	406	#ifdef __FreeBSD__
	407	#else
[128]	408	run_program_and_log_output("cat /proc/cpuinfo", 5);
[3292]	409	/*
	410	run_program_and_log_output("rpm -q newt newt-devel slang slang-devel ncurses ncurses-devel gcc", 5);
	411	*/
[1]	412	#endif
[128]	413
	414	if (bkpinfo->use_lzo) {
[3830]	415	mr_asprintf(bkpinfo->zip_exe, "%s", "lzop");
	416	mr_asprintf(bkpinfo->zip_suffix, "%s", "lzo");
[998]	417	} else if (bkpinfo->use_gzip) {
[3830]	418	mr_asprintf(bkpinfo->zip_exe, "%s", "gzip");
	419	mr_asprintf(bkpinfo->zip_suffix, "%s", "gz");
[3191]	420	} else if (bkpinfo->use_lzma) {
[3830]	421	mr_asprintf(bkpinfo->zip_exe, "%s", "xz");
	422	mr_asprintf(bkpinfo->zip_suffix, "%s", "xz");
[128]	423	} else if (bkpinfo->compression_level != 0) {
[3830]	424	mr_asprintf(bkpinfo->zip_exe, "%s", "bzip2");
	425	mr_asprintf(bkpinfo->zip_suffix, "%s", "bz2");
[128]	426	} else {
[3830]	427	mr_free(bkpinfo->zip_exe);
	428	mr_free(bkpinfo->zip_suffix);
[1]	429	}
	430
[3882]	431	if (bkpinfo->backup_media_type == optical) {
[3867]	432	if ((cdr_exe = find_home_of_exe("growisofs")) == NULL) {
[128]	433	fatal_error("Please install growisofs.");
	434	}
[3883]	435	if
[1]	436	#ifdef __FreeBSD__
[128]	437	(TRUE)
[1]	438	#else
[128]	439	(bkpinfo->make_cd_use_lilo)
[1]	440	#endif
[128]	441	{
[3185]	442	mr_asprintf(mondo_mkisofs_sz, MONDO_GROWISOFS_REGULAR_LILO);
[1]	443	}
[3191]	444	else {
[3665]	445	mondo_mkisofs_sz = mr_compute_uefi_string(cdr_exe);
[128]	446	}
[3867]	447	mr_free(cdr_exe);
	448
[128]	449	if (bkpinfo->manual_cd_tray) {
	450	fatal_error("Manual CD tray + DVD not supported yet.");
	451	// -m isn't supported by growisofs, BTW...
	452	} else {
[3827]	453	mr_asprintf(bkpinfo->call_make_iso, "%s %s -Z %s . 2>> _ERR_", mondo_mkisofs_sz, "", bkpinfo->media_device);
[128]	454	}
[3191]	455	mr_free(mondo_mkisofs_sz);
[153]	456	if (getenv ("SUDO_COMMAND")) {
[3185]	457	mr_asprintf(command, "strings `which growisofs` \| grep -c SUDO_COMMAND");
[3610]	458	tmp = call_program_and_get_last_line_of_output(command);
	459	mr_free(command);
	460	if (!strcmp(tmp, "1")) {
	461	mr_free(tmp);
[679]	462	popup_and_OK("Fatal Error: Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
	463	fatal_error("Can't write DVDs as sudo because growisofs doesn't support this - see the growisofs manpage for details.");
	464	}
[3610]	465	mr_free(tmp);
[153]	466	}
[3191]	467	log_msg(2, "call_make_iso (DVD res) is ... %s", bkpinfo->call_make_iso);
[128]	468	} // end of DVD code
[1]	469
	470	// CD-R or CD-RW
[3881]	471	if (bkpinfo->backup_media_type == optical) {
[128]	472	if (!bkpinfo->manual_cd_tray) {
[3185]	473	mr_asprintf(extra_cdrom_params, "-waiti ");
[128]	474	}
[3880]	475	if (bkpinfo->wipe_media_first) {
	476	mr_asprintf(extra_cdrom_params, "%s", "blank=fast ");
	477	}
[3867]	478	if ((cdr_exe = find_home_of_exe("cdrecord")) == NULL) {
	479	if ((cdr_exe = find_home_of_exe("wodim")) == NULL) {
[3882]	480	fatal_error("Please install either cdrecord or wodim.");
[3867]	481	}
[128]	482	}
[3867]	483	if ((tmp = find_home_of_exe("xorriso")) != NULL) {
	484	mr_asprintf(isofs_cmd, "%s %s", tmp, MONDO_XORRISO_OPT);
	485	} else if ((tmp = find_home_of_exe("genisoimage")) != NULL) {
	486	mr_asprintf(isofs_cmd, "%s %s", tmp, MONDO_GENISOIMAGE_OPT);
	487	} else if ((tmp = find_home_of_exe("mkisofs")) != NULL) {
	488	mr_asprintf(isofs_cmd, "%s %s", tmp, MONDO_MKISOFS_OPT);
	489	} else if ((tmp = find_home_of_exe("wodim")) != NULL) {
	490	mr_asprintf(isofs_cmd, "%s %s", tmp, MONDO_WODIM_OPT);
[2848]	491	} else {
[3867]	492	fatal_error("Unable to find a command to create ISO among xorriso, genisoimage, mksiofs or wodim, please install one");
[2848]	493	}
[3867]	494	mr_free(tmp);
	495
[3883]	496	if
[1]	497	#ifdef __FreeBSD__
[128]	498	(TRUE)
[1]	499	#else
[128]	500	(bkpinfo->make_cd_use_lilo)
[1]	501	#endif
	502	{
[3539]	503	mr_asprintf(mondo_mkisofs_sz, "%s%s ", isofs_cmd, MONDO_MKISOFS_REGULAR_LILO);
[1]	504	}
[3514]	505	else {
[3665]	506	mondo_mkisofs_sz = mr_compute_uefi_string(isofs_cmd);
[128]	507	}
[2848]	508	mr_free(isofs_cmd);
	509
[128]	510	if (bkpinfo->manual_cd_tray) {
[3823]	511	if (bkpinfo->call_before_iso == NULL) {
	512	mr_asprintf(bkpinfo->call_before_iso, "%s -o %s/"MONDO_TMPISOS" . 2>> _ERR_", mondo_mkisofs_sz, bkpinfo->tmpdir);
[3205]	513	} else {
[3191]	514	mr_asprintf(call_before_iso_user, "%s", bkpinfo->call_before_iso);
[3823]	515	mr_free(bkpinfo->call_before_iso);
	516	mr_asprintf(bkpinfo->call_before_iso, "( %s -o %s/"MONDO_TMPISOS" . 2>> _ERR_ ; %s )", mondo_mkisofs_sz, bkpinfo->tmpdir, call_before_iso_user);
[3191]	517	mr_free(call_before_iso_user);
[163]	518	}
	519	log_it("bkpinfo->call_before_iso = %s", bkpinfo->call_before_iso);
[3882]	520	mr_asprintf(bkpinfo->call_make_iso, "%s %s -v %s fs=4m dev=%s %s/"MONDO_TMPISOS, cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject", extra_cdrom_params, bkpinfo->media_device, bkpinfo->tmpdir);
[128]	521	} else {
[3882]	522	mr_asprintf(bkpinfo->call_make_iso, "%s . 2>> _ERR_ \| %s %s %s fs=4m dev=%s -", mondo_mkisofs_sz, cdr_exe, (bkpinfo->please_dont_eject) ? " " : "-eject", extra_cdrom_params, bkpinfo->media_device);
[128]	523	}
[3191]	524	mr_free(cdr_exe);
	525	mr_free(mondo_mkisofs_sz);
	526	mr_free(extra_cdrom_params);
[128]	527	} // end of CD code
[1]	528
[128]	529	if (bkpinfo->backup_media_type == iso) {
	530
[3278]	531	/* Break up isodir into iso_mnt and iso_dir
[1]	532	* These will be used along with iso-dev at restore time
	533	* to locate the ISOs where ever they're mounted
	534	*/
	535
[128]	536	log_it("isodir = %s", bkpinfo->isodir);
[3191]	537	mr_asprintf(command, "df -P %s \| tail -n1 \| cut -d' ' -f1", bkpinfo->isodir);
[128]	538	log_it("command = %s", command);
[3610]	539	iso_dev = call_program_and_get_last_line_of_output(command);
[3191]	540	log_it("res of it = %s", iso_dev);
[3185]	541	mr_asprintf(tmp, "%s/ISO-DEV", bkpinfo->tmpdir);
[3191]	542	write_one_liner_data_file(tmp, iso_dev);
[2518]	543	mr_free(tmp);
	544	mr_free(command);
[1]	545
[3185]	546	mr_asprintf(command, "mount \| grep -w %s \| tail -n1 \| cut -d' ' -f3", iso_dev);
[2518]	547	mr_free(iso_dev);
	548
[128]	549	log_it("command = %s", command);
[3610]	550	iso_mnt = call_program_and_get_last_line_of_output(command);
[3191]	551	log_it("res of it = %s", iso_mnt);
[3185]	552	mr_asprintf(tmp, "%s/ISO-MNT", bkpinfo->tmpdir);
[3191]	553	write_one_liner_data_file(tmp, iso_mnt);
[2518]	554	mr_free(tmp);
	555	mr_free(command);
	556
[3278]	557	log_it("iso_mnt: %s, %d", iso_mnt, strlen(iso_mnt));
[3185]	558	mr_asprintf(iso_tmp, "%s", bkpinfo->isodir);
[128]	559	if (strlen(iso_tmp) < strlen(iso_mnt)) {
[3278]	560	mr_asprintf(iso_dir, "%s", "");
[128]	561	} else {
[3278]	562	// If iso_mnt is only / then iso_dir is the full dir
[2522]	563	// (the formula bellow doesn't work in this case)
	564	if (strcmp(iso_mnt, "/") == 0) {
[3278]	565	mr_asprintf(iso_dir, "%s", iso_tmp);
[2522]	566	// else it's a part of iso_tmp
	567	} else {
[3278]	568	mr_asprintf(iso_dir, "%s", iso_tmp + strlen(iso_mnt));
[2522]	569	}
[128]	570	}
[3191]	571	mr_free(iso_mnt);
[2518]	572	mr_free(iso_tmp);
	573
[3278]	574	mr_asprintf(tmp, "%s/ISO-DIR", bkpinfo->tmpdir);
	575	write_one_liner_data_file(tmp, iso_dir);
[2518]	576	mr_free(tmp);
	577
[3278]	578	log_it("iso-dir: %s", iso_dir);
	579	mr_free(iso_dir);
[2518]	580
[3185]	581	mr_asprintf(tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
[148]	582	write_one_liner_data_file(tmp, bkpinfo->prefix);
[2518]	583	mr_free(tmp);
	584
[148]	585	log_it("iso-prefix: %s", bkpinfo->prefix);
[1]	586
	587	/* End patch */
[128]	588	} // end of iso code
[1]	589
[2380]	590	if (bkpinfo->backup_media_type == netfs) {
[3268]	591	mr_asprintf(tmp, "%s/ISO-PREFIX", bkpinfo->tmpdir);
	592	write_one_liner_data_file(tmp, bkpinfo->prefix);
	593	mr_free(tmp);
	594
[3278]	595	mr_asprintf(tmp, "%s/ISO-MNT", bkpinfo->tmpdir);
	596	write_one_liner_data_file(tmp, bkpinfo->isodir);
	597	mr_free(tmp);
	598
	599	mr_asprintf(tmp, "%s/ISO-DIR", bkpinfo->tmpdir);
	600	write_one_liner_data_file(tmp, bkpinfo->netfs_remote_dir);
	601	mr_free(tmp);
	602
[3191]	603	if (bkpinfo->netfs_mount) {
[3268]	604	mr_asprintf(tmp, "%s/NETFS-SERVER-MOUNT", bkpinfo->tmpdir);
	605	write_one_liner_data_file(tmp, bkpinfo->netfs_mount);
	606	mr_free(tmp);
[3191]	607	} else {
	608	log_it("netfs_mount is NULL");
	609	retval++;
	610	}
[128]	611	}
[1]	612
[128]	613	log_it("Finished processing incoming params");
	614	if (retval) {
	615	fprintf(stderr, "Type 'man mondoarchive' for help.\n");
	616	}
[3191]	617	if (bkpinfo->include_paths == NULL) {
	618	mr_asprintf(bkpinfo->include_paths, "/");
[128]	619	}
	620	g_backup_media_type = bkpinfo->backup_media_type;
	621	return (retval);
[1]	622	}
	623
	624
	625
	626	/**
[3877]	627	* Check the user's system for sanity. Checks performed:
	628	* - make sure user has enough RAM (32mb required, 64mb recommended)
	629	* - make sure user has enough free space in @c /
	630	* - check kernel for ramdisk support
	631	* - make sure afio, cdrecord, mkisofs, bzip2, awk, md5sum, strings, mindi, and buffer exist
	632	* - make sure CD-ROM is unmounted
	633	* - make sure user's mountlist is OK by running <tt>mindi --makemountlist</tt>
	634	*
	635	* @return number of problems with the user's setup (0 for success)
	636	*/
	637	int some_basic_system_sanity_checks()
	638	{
	639
	640	/@ buffers *********** */
	641	char *tmp = NULL;
	642
	643	/@ int's ************** */
	644	int retval = 0;
	645
	646	mvaddstr_and_log_it(g_currentY, 0, "Checking sanity of your Linux distribution");
	647	#ifndef __FreeBSD__
	648	if (system("which mkfs.vfat 2> /dev/null 1> /dev/null")
	649	&& !system("which mkfs.msdos 2> /dev/null 1> /dev/null")) {
	650	log_it("OK, you've got mkfs.msdos but not mkfs.vfat; time for the fairy to wave her magic wand...");
	651	run_program_and_log_output("ln -sf `which mkfs.msdos` /sbin/mkfs.vfat", FALSE);
	652	}
	653	tmp = call_program_and_get_last_line_of_output("free \| grep Mem \| head -n1 \| tr -s ' ' '\t' \| cut -f2");
	654	if (atol(tmp) < 35000) {
	655	retval++;
	656	log_to_screen("You must have at least 32MB of RAM to use Mondo.");
	657	}
	658	if (atol(tmp) < 66000) {
	659	log_to_screen("WARNING! You have very little RAM. Please upgrade to 64MB or more.");
	660	}
	661	mr_free(tmp);
	662	#endif
	663
	664	if (system("which " MKE2FS_OR_NEWFS " > /dev/null 2> /dev/null")) {
	665	retval++;
	666	log_to_screen("Unable to find " MKE2FS_OR_NEWFS " in system path.");
	667	fatal_error("Please use \"su -\", not \"su\" to become root. OK?\n...and please don't e-mail the mailing list about this. Just read the message. :)");
	668	}
	669	#ifndef __FreeBSD__
	670	if (run_program_and_log_output("grep ramdisk /proc/devices", FALSE)) {
	671	/* Some SuSE have ramdisk as modules, so insert it first, then test again */
	672	run_program_and_log_output("modprobe brd 2> /dev/null > /dev/null",FALSE);
	673	if (run_program_and_log_output("grep ramdisk /proc/devices", FALSE)) {
	674	if (!ask_me_yes_or_no("Your kernel has no ramdisk support. That's mind-numbingly stupid but I'll allow it if you're planning to use another kernel. Are you?")) {
	675	// retval++;
	676	log_to_screen("It looks as if your kernel lacks ramdisk and initrd support.");
	677	log_to_screen("I'll allow you to proceed but FYI, if I'm right, your kernel is broken.");
	678	}
	679	}
	680	}
	681	#endif
	682	retval += whine_if_not_found(MKE2FS_OR_NEWFS);
	683	if (system("which xorriso > /dev/null 2> /dev/null")) {
	684	if (system("which genisoimage > /dev/null 2> /dev/null")) {
	685	retval += whine_if_not_found("mkisofs");
	686	}
	687	}
	688	if (system("which wodim > /dev/null 2> /dev/null")) {
	689	retval += whine_if_not_found("cdrecord");
	690	}
	691	retval += whine_if_not_found("bzip2");
	692	retval += whine_if_not_found("gzip");
	693	retval += whine_if_not_found("cmp");
	694	retval += whine_if_not_found("awk");
	695	retval += whine_if_not_found("md5sum");
	696	retval += whine_if_not_found("strings");
	697	retval += whine_if_not_found("mindi");
	698	retval += whine_if_not_found("buffer");
	699
	700	// abort if Windows partition but no ms-sys and parted
	701	if (!run_program_and_log_output("mount \| grep -Ew 'vfat\|fat\|dos' \| grep -vE \"/dev/fd\|nexdisk\"", 0)) {
	702	if (!run_program_and_log_output("mount \| grep -Ew 'vfat\|fat\|dos' \| grep -Ew efi", 0)) {
	703	log_to_screen("I think you have a EFI/UEFI partition.");
	704	} else {
	705	log_to_screen("I think you have a Windows 9x partition.");
	706	}
	707	retval += whine_if_not_found("parted");
	708	}
	709
	710	run_program_and_log_output("umount `mount \| grep cdr \| cut -d' ' -f3 \| tr '\n' ' '`", 5);
	711	tmp = call_program_and_get_last_line_of_output("mount \| grep -E 'cdr(om\|w)'");
	712	if (strcmp("", tmp)) {
	713	if (strstr(tmp, "autofs")) {
	714	log_to_screen("Your CD-ROM is mounted via autofs. I therefore cannot tell");
	715	log_to_screen("if a CD actually is inserted. If a CD is inserted, please");
	716	log_to_screen("eject it. Thank you.");
	717	log_it("Ignoring autofs CD-ROM 'mount' since we hope nothing's in it.");
	718	} else
	719	if (run_program_and_log_output("uname -a \| grep Knoppix", 5)) {
	720	retval++;
	721	mr_free(tmp);
	722	fatal_error("Your CD-ROM drive is mounted. Please unmount it.");
	723	}
	724	}
	725	mr_free(tmp);
	726
	727	run_program_and_log_output("cat /etc/fstab", 5);
	728	#ifdef __FreeBSD__
	729	run_program_and_log_output("vinum printconfig", 5);
	730	#else
	731	run_program_and_log_output("cat /etc/raidtab", 5);
	732	#endif
	733
	734	if (run_program_and_log_output("mindi -V", 1)) {
	735	log_to_screen("Could not ascertain mindi's version number.");
	736	log_to_screen("You have not installed Mondo and/or Mindi properly.");
	737	log_to_screen("Please uninstall and reinstall them both.");
	738	fatal_error("Please reinstall Mondo and Mindi.");
	739	}
	740	mr_asprintf(tmp, "mindi --makemountlist %s/mountlist.txt.test", bkpinfo->tmpdir);
	741	if (run_program_and_log_output(tmp, 5)) {
	742	log_to_screen("%s failed for some reason.", tmp);
	743	mr_free(tmp);
	744	log_to_screen("Please run that command by hand and examine "MINDI_LOGFILE);
	745	log_to_screen("for more information. Perhaps your /etc/fstab file is insane.");
	746	log_to_screen("Perhaps Mindi's MakeMountlist() subroutine has a bug. We'll see.");
	747	retval++;
	748	}
	749	mr_free(tmp);
	750
	751	if (!run_program_and_log_output("mr-parted2fdisk -l 2>/dev/null \| grep -i raid", 1) && !does_file_exist("/etc/raidtab")) {
	752	log_to_screen("You have RAID partitions but no /etc/raidtab - creating one from /proc/mdstat");
	753	create_raidtab_from_mdstat(MDSTAT_FILE,"/etc/raidtab");
	754	}
	755
	756	if (retval) {
	757	mvaddstr_and_log_it(g_currentY++, 74, "Failed.");
	758	} else {
	759	mvaddstr_and_log_it(g_currentY++, 74, "Done.");
	760	}
	761	return (retval);
	762	}
	763
	764
	765
	766	/**
[1]	767	* Do some miscellaneous setup tasks to be performed before filling @c bkpinfo.
	768	* Seeds the random-number generator, loads important modules, checks the sanity
	769	* of the user's Linux distribution, and deletes logfile.
	770	* @param bkpinfo The backup information structure. Will be initialized.
	771	* @return number of errors (0 for success)
	772	*/
[1645]	773	int pre_param_configuration()
[1]	774	{
[128]	775	int res = 0;
[1652]	776	char *tmp = NULL;
[1]	777
[128]	778	make_hole_for_dir(MNT_CDROM);
	779	assert(bkpinfo != NULL);
	780	srandom((unsigned long) (time(NULL)));
	781	insmod_crucial_modules();
	782	if (bkpinfo->disaster_recovery) {
	783	if (!does_nonMS_partition_exist()) {
[3191]	784	fatal_error("I am in disaster recovery mode\nPlease don't run mondoarchive.");
[128]	785	}
	786	}
[1]	787
[3185]	788	mr_asprintf(tmp,"rm -Rf %s/changed.files*",MONDO_CACHE);
[1652]	789	run_program_and_log_output(tmp, FALSE);
	790	paranoid_free(tmp);
[128]	791	if (find_and_store_mondoarchives_home(g_mondo_home)) {
[3191]	792	fprintf(stderr, "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");
[128]	793	res++;
	794	return (res);
	795	}
	796	res += some_basic_system_sanity_checks();
	797	if (res) {
	798	log_it("Your distribution did not pass Mondo's sanity test.");
	799	}
	800	g_current_media_number = 1;
	801	return (res);
[1]	802	}
	803
[3043]	804	/* From busybox under GPLv2 */
	805	#ifndef HAVE_MKDTEMP
	806	/* This is now actually part of POSIX.1, but was only added in 2008 */
	807	char* mkdtemp(char *template)
	808	{
[3514]	809	if (mkstemp(template) == -1) {
[3043]	810	return NULL;
[3507]	811	}
	812	unlink(template);
	813	if (mkdir(template, 0700) != 0) {
	814	return NULL;
	815	}
[3043]	816	return template;
	817	}
	818	#endif
	819
[1655]	820	void setup_tmpdir(char *path) {
[1967]	821
[1653]	822	char *tmp = NULL;
[1]	823
[3833]	824	if (bkpinfo->tmpdir != NULL) {
[1655]	825	/* purging a potential old tmpdir */
[3060]	826	if (chdir("/tmp")) {
	827	// FIXME
	828	}
[3154]	829	if (strstr(bkpinfo->tmpdir,"mondo.tmp.") != NULL) {
	830	log_it("Purging old tmpdir %s", bkpinfo->tmpdir);
[3185]	831	mr_asprintf(tmp,"rm -Rf %s",bkpinfo->tmpdir);
[3154]	832	} else {
	833	log_it("Purging old tmpdir %s/mondo.tmp.*", bkpinfo->tmpdir);
[3185]	834	mr_asprintf(tmp,"rm -Rf %s/mondo.tmp.*",bkpinfo->tmpdir);
[3154]	835	}
[3060]	836	paranoid_system(tmp);
[3154]	837	mr_free(tmp);
[1655]	838	}
[1967]	839
[3154]	840	/* Always take in account arg first, then env, then default */
	841	if (path != NULL) {
[3503]	842	mr_system("mkdir -p %s",path);
	843	log_it("Created temporary directory %s", path);
[3185]	844	mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", path);
[3154]	845	} else if (getenv("TMPDIR")) {
[3500]	846	mr_system("mkdir -p %s",getenv("TMPDIR"));
[3503]	847	log_it("Created temporary directory %s", getenv("TMPDIR"));
[3185]	848	mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", getenv("TMPDIR"));
[3154]	849	} else if (getenv("MRTMP")) {
[3500]	850	mr_system("mkdir -p %s",getenv("MRTMP"));
[3503]	851	log_it("Created temporary directory %s", getenv("MRTMP"));
[3185]	852	mr_asprintf(tmp, "%s/mondo.tmp.XXXXXX", getenv("MRTMP"));
[1653]	853	} else {
[3185]	854	mr_asprintf(tmp, "/tmp/mondo.tmp.XXXXXX");
[1653]	855	}
[3834]	856	mr_free(bkpinfo->tmpdir);
[3833]	857	bkpinfo->tmpdir = mkdtemp(tmp);
	858	if (bkpinfo->tmpdir == NULL) {
[3195]	859	printf("Failed to create global tmp directory %s for Mondo.",tmp);
[3191]	860	mr_free(tmp);
[1653]	861	finish(-1);
	862	}
[3191]	863	log_it("bkpinfo->tmpdir is being set to %s", bkpinfo->tmpdir);
[3507]	864	mr_system("mkdir -p %s/tmpfs", bkpinfo->tmpdir);
[1653]	865	}
[1]	866
[3154]	867	void setup_scratchdir(char *path) {
[1]	868
[3154]	869	char *tmp = NULL;
	870
	871	if (bkpinfo->scratchdir != NULL) {
	872	/* purging a potential old scratchdir */
	873	if (chdir("/tmp")) {
	874	// FIXME
	875	}
	876	if (strstr(bkpinfo->scratchdir,"mondo.scratch.") != NULL) {
	877	log_it("Purging old scratchdir %s", bkpinfo->scratchdir);
[3185]	878	mr_asprintf(tmp,"rm -Rf %s",bkpinfo->scratchdir);
[3154]	879	} else {
	880	log_it("Purging old scratchdir %s/mondo.scratch.*", bkpinfo->scratchdir);
[3185]	881	mr_asprintf(tmp,"rm -Rf %s/mondo.scratch.*",bkpinfo->scratchdir);
[3154]	882	}
	883	paranoid_system(tmp);
	884	mr_free(tmp);
	885	}
	886
	887	/* Always take in account arg first, then env, then default */
	888	if (path != NULL) {
[3500]	889	mr_system("mkdir -p %s",path);
[3503]	890	log_it("Created scratch directory %s", path);
[3185]	891	mr_asprintf(tmp, "%s/mondo.scratch.XXXXXX", path);
[3154]	892	} else if (getenv("MRSCRATCH")) {
[3500]	893	mr_system("mkdir -p %s",getenv("MRSCRATCH"));
[3503]	894	log_it("Created scratch directory %s", getenv("MRSCRATCH"));
[3185]	895	mr_asprintf(tmp, "%s/mondo.scratch.XXXXXX", getenv("MRSCRATCH"));
[3154]	896	} else {
[3185]	897	mr_asprintf(tmp, "/tmp/mondo.scratch.XXXXXX");
[3154]	898	}
[3834]	899	mr_free(bkpinfo->scratchdir);
	900	bkpinfo->scratchdir = mkdtemp(tmp);
	901	if (bkpinfo->scratchdir == NULL) {
[3154]	902	log_it("Failed to create global scratch directory %s for Mondo.",tmp);
[3834]	903	mr_free(tmp);
[3154]	904	finish(-1);
	905	}
[3191]	906	log_it("bkpinfo->scratchdir is being set to %s", bkpinfo->scratchdir);
[3834]	907	mr_system("mkdir -p %s", bkpinfo->scratchdir);
[3154]	908	}
	909
	910
[1]	911	/**
	912	* Reset all fields of the backup information structure to a sensible default.
	913	* @param bkpinfo The @c bkpinfo to reset.
	914	*/
[1645]	915	void reset_bkpinfo()
[1]	916	{
[128]	917	assert(bkpinfo != NULL);
	918	memset((void *) bkpinfo, 0, sizeof(struct s_bkpinfo));
[1653]	919
[3822]	920	bkpinfo->media_device = NULL;
[3150]	921	bkpinfo->media_size = -1;
[128]	922	bkpinfo->boot_loader = '\0';
[3373]	923	bkpinfo->boot_device = NULL;
[3830]	924	bkpinfo->zip_exe = NULL;
	925	bkpinfo->zip_suffix = NULL;
[3821]	926	bkpinfo->image_devs = NULL;
[1966]	927	bkpinfo->compression_level = 3;
[128]	928	bkpinfo->use_lzo = FALSE;
[998]	929	bkpinfo->use_gzip = FALSE;
[3191]	930	bkpinfo->use_lzma = FALSE;
[128]	931	bkpinfo->verify_data = FALSE;
	932	bkpinfo->backup_data = FALSE;
	933	bkpinfo->restore_data = FALSE;
[1966]	934	bkpinfo->use_star = FALSE;
	935	bkpinfo->internal_tape_block_size = DEFAULT_INTERNAL_TAPE_BLOCK_SIZE;
[3191]	936
[3194]	937	/* We need tmpdir as early as possible for further function calls */
[3834]	938	bkpinfo->tmpdir = NULL; // Really setup just after
	939	bkpinfo->scratchdir = NULL; // Really setup just after
[3191]	940	setup_tmpdir(NULL);
	941	setup_scratchdir(NULL);
	942
	943	bkpinfo->disaster_recovery = am_I_in_disaster_recovery_mode();
[128]	944	if (bkpinfo->disaster_recovery) {
[3836]	945	mr_asprintf(bkpinfo->isodir, "%s", "/");
[128]	946	} else {
[3836]	947	mr_asprintf(bkpinfo->isodir, "%s", MONDO_CACHE);
[128]	948	}
[3836]	949	mr_asprintf(bkpinfo->prefix, "%s", STD_PREFIX);
[3318]	950	bkpinfo->optimal_set_size = 0L;
[3191]	951	bkpinfo->backup_media_type = none;
[1966]	952	bkpinfo->make_filelist = TRUE; // unless -J supplied to mondoarchive
[3191]	953	bkpinfo->exclude_paths = NULL;
	954	bkpinfo->include_paths = NULL;
[2424]	955	bkpinfo->exclude_devs = NULL;
[3828]	956	bkpinfo->restore_path = NULL;
[3823]	957	bkpinfo->call_before_iso = NULL;
[3827]	958	bkpinfo->call_make_iso = NULL;
	959	bkpinfo->call_burn_iso = NULL;
	960	bkpinfo->call_after_iso = NULL;
[3829]	961	bkpinfo->kernel_path = NULL;
[3194]	962	bkpinfo->netfs_mount = NULL;
[2380]	963	bkpinfo->netfs_proto = NULL;
	964	bkpinfo->netfs_user = NULL;
[3194]	965	bkpinfo->netfs_remote_dir = NULL;
[3826]	966	bkpinfo->postnuke_tarball = NULL;
[2769]	967	bkpinfo->subdir = NULL;
[128]	968	bkpinfo->wipe_media_first = FALSE;
[1966]	969	bkpinfo->differential = 0;
	970	bkpinfo->please_dont_eject = FALSE;
	971	bkpinfo->manual_cd_tray = FALSE;
	972	bkpinfo->make_cd_use_lilo = FALSE;
	973	bkpinfo->use_obdr = FALSE;
[1967]	974	bkpinfo->restore_mode = interactive;
[3375]	975	bkpinfo->boot_type = BIOS;
[1]	976	}
	977
	978
	979	/**
	980	* Get the remaining free space (in MB) on @p partition.
	981	* @param partition The partition to check free space on (either a device or a mountpoint).
	982	* @return The free space on @p partition, in MB.
	983	*/
[128]	984	long free_space_on_given_partition(char *partition)
[1]	985	{
[2518]	986	char *out_sz = NULL;
	987	char *command = NULL;
[128]	988	long res;
[1]	989
[128]	990	assert_string_is_neither_NULL_nor_zerolength(partition);
[1]	991
[3185]	992	mr_asprintf(command, "df -m -P %s 1> /dev/null 2> /dev/null", partition);
[128]	993	if (system(command)) {
[2518]	994	mr_free(command);
[128]	995	return (-1);
	996	} // partition does not exist
[2518]	997	mr_free(command);
	998
[3191]	999	mr_asprintf(command, "df -m -P %s \| tail -n1 \| tr -s ' ' '\t' \| cut -f4", partition);
[3610]	1000	out_sz = call_program_and_get_last_line_of_output(command);
[2518]	1001	mr_free(command);
	1002
[128]	1003	if (strlen(out_sz) == 0) {
[2518]	1004	mr_free(out_sz);
[128]	1005	return (-1);
	1006	} // error within df, probably
	1007	res = atol(out_sz);
[2518]	1008	mr_free(out_sz);
[128]	1009	return (res);
[1]	1010	}
	1011
	1012	/**
	1013	* Retrieve the line containing @p label from the config file.
[3268]	1014	* @param config_file The file to read from, usually @c /tmp/mondorestore.cfg.
[1]	1015	* @param label What to read from the file.
	1016	* @param value Where to put it.
	1017	* @return 0 for success, 1 for failure.
	1018	*/
[128]	1019	int read_cfg_var(char config_file, char label, char *value)
[1]	1020	{
[128]	1021	/@ buffer ***************************************************** */
[2518]	1022	char *command = NULL;
[3610]	1023	char *tmp = NULL;
[1]	1024
[128]	1025	/@ end vars ************************************************** */
[1]	1026
[128]	1027	assert_string_is_neither_NULL_nor_zerolength(config_file);
	1028	assert_string_is_neither_NULL_nor_zerolength(label);
	1029	if (!does_file_exist(config_file)) {
[3191]	1030	log_to_screen("(read_cfg_var) Cannot find %s config file", config_file);
[128]	1031	value[0] = '\0';
	1032	return (1);
[1279]	1033	} else if ((value != NULL) && (strstr(value, "/dev/") && strstr(value, "t0") && !strcmp(label, "media-dev"))) {
	1034	log_msg(2, "FYI, I can't read new value for %s - already got %s", label, value);
[128]	1035	return (0);
	1036	} else {
[3205]	1037	mr_asprintf(command, "grep '%s .*' %s\| cut -d' ' -f2,3,4,5", label, config_file);
[3610]	1038	tmp = call_program_and_get_last_line_of_output(command);
	1039	strcpy(value, tmp);
[2518]	1040	mr_free(command);
	1041
[3191]	1042	log_msg(4, "Configuration item %s is %s", label, value);
[128]	1043	if (strlen(value) == 0) {
	1044	return (1);
	1045	} else {
	1046	return (0);
	1047	}
[1]	1048	}
	1049	}
	1050
	1051
	1052
	1053	/**
	1054	* Remount @c supermount if it was unmounted earlier.
	1055	*/
	1056	void remount_supermounts_if_necessary()
	1057	{
[128]	1058	if (g_remount_cdrom_at_end) {
	1059	run_program_and_log_output("mount " MNT_CDROM, FALSE);
	1060	}
[1]	1061	}
	1062
	1063	/**
	1064	* Unmount @c supermount if it's mounted.
	1065	*/
	1066	void unmount_supermounts_if_necessary()
	1067	{
[128]	1068	if (run_program_and_log_output
	1069	("mount \| grep cdrom \| grep super", FALSE) == 0) {
	1070	g_remount_cdrom_at_end = TRUE;
	1071	run_program_and_log_output("umount " MNT_CDROM, FALSE);
	1072	}
[1]	1073	}
	1074
	1075	/**
	1076	* Whether we had to stop autofs (if so, restart it at end).
	1077	*/
[128]	1078	bool g_autofs_stopped = FALSE;
[1]	1079
	1080	/**
	1081	* Path to the autofs initscript ("" if none exists).
	1082	*/
	1083	char g_autofs_exe[MAX_STR_LEN];
	1084
	1085	/**
	1086	* Autofs initscript in Xandros Linux distribution.
	1087	*/
	1088	#define XANDROS_AUTOFS_FNAME "/etc/init.d/xandros-autofs"
	1089
	1090	/**
	1091	* Autofs initscript in most Linux distributions.
	1092	*/
	1093	#define STOCK_AUTOFS_FNAME "/etc/rc.d/init.d/autofs"
	1094
	1095	/**
	1096	* If autofs is mounted, stop it (restart at end).
	1097	*/
	1098	void stop_autofs_if_necessary()
	1099	{
[2518]	1100	char *tmp = NULL;
[128]	1101
	1102	g_autofs_exe[0] = '\0';
	1103	if (does_file_exist(XANDROS_AUTOFS_FNAME)) {
	1104	strcpy(g_autofs_exe, XANDROS_AUTOFS_FNAME);
	1105	} else if (does_file_exist(STOCK_AUTOFS_FNAME)) {
	1106	strcpy(g_autofs_exe, STOCK_AUTOFS_FNAME);
	1107	}
	1108
	1109	if (!g_autofs_exe[0]) {
	1110	log_msg(3, "No autofs detected.");
	1111	} else {
	1112	log_msg(3, "%s --- autofs detected", g_autofs_exe);
[2518]	1113	// FIXME -- only disable it if it's running --- sprintf(tmp, "%s status", autofs_exe);
[3185]	1114	mr_asprintf(tmp, "%s stop", g_autofs_exe);
[128]	1115	if (run_program_and_log_output(tmp, 2)) {
	1116	log_it("Failed to stop autofs - I assume it wasn't running");
	1117	} else {
	1118	g_autofs_stopped = TRUE;
	1119	log_it("Stopped autofs OK");
	1120	}
[2518]	1121	mr_free(tmp);
[128]	1122	}
[1]	1123	}
	1124
	1125	/**
	1126	* If autofs was stopped earlier, restart it.
	1127	*/
	1128	void restart_autofs_if_necessary()
	1129	{
[2518]	1130	char *tmp = NULL;
[128]	1131
	1132	if (!g_autofs_stopped \|\| !g_autofs_exe[0]) {
	1133	log_msg(3, "No autofs detected.");
	1134	return;
	1135	}
[3185]	1136	mr_asprintf(tmp, "%s start", g_autofs_exe);
[128]	1137	if (run_program_and_log_output(tmp, 2)) {
	1138	log_it("Failed to start autofs");
	1139	} else {
	1140	g_autofs_stopped = FALSE;
	1141	log_it("Started autofs OK");
	1142	}
[2518]	1143	mr_free(tmp);
[1]	1144	}
	1145
	1146
	1147	/**
	1148	* If this is a distribution like Gentoo that doesn't keep /boot mounted, mount it.
	1149	*/
[3191]	1150	void mount_boot_if_necessary() {
[2518]	1151	char *tmp = NULL;
	1152	char *command = NULL;
[1]	1153
[128]	1154	log_msg(1, "Started sub");
	1155	log_msg(4, "About to set g_boot_mountpt[0] to '\\0'");
	1156	g_boot_mountpt[0] = '\0';
[3654]	1157	log_msg(4, "Done. Great. Setting command to something");
[3191]	1158	mr_asprintf(command, "%s", "grep -v \":\" /etc/fstab \| grep -vE '^#.*$' \| grep -E \"[ ]/boot[ ]\" \| tr -s ' ' '\t' \| cut -f1 \| head -n1");
[128]	1159	log_msg(4, "Cool. Command = '%s'", command);
[3610]	1160	tmp = call_program_and_get_last_line_of_output(command);
[2518]	1161	mr_free(command);
	1162
[128]	1163	log_msg(4, "tmp = '%s'", tmp);
[3191]	1164	log_it("/boot is at %s according to /etc/fstab", tmp);
	1165	mr_asprintf(command, "mount \| grep -Ew '/boot'");
	1166	mr_free(tmp);
[2518]	1167
[3610]	1168	tmp = call_program_and_get_last_line_of_output(command);
[3191]	1169	mr_free(command);
	1170
	1171	if (!strcmp(tmp,"")) {
	1172	if ((strstr(tmp, "LABEL=") != NULL) \|\| (strstr(tmp,"UUID=") != NULL)) {
	1173	if (!run_program_and_log_output("mount /boot", 5)) {
	1174	strcpy(g_boot_mountpt, "/boot");
	1175	log_msg(1, "Mounted /boot");
[128]	1176	} else {
[3191]	1177	log_it("...ignored cos it's a label or uuid :-)");
	1178	}
	1179	} else {
	1180	mr_asprintf(command, "mount \| grep -E '^%s'", tmp);
	1181	log_msg(3, "command = %s", command);
	1182	if (run_program_and_log_output(command, 5)) {
	1183	strcpy(g_boot_mountpt, tmp);
	1184	mr_free(tmp);
	1185	log_it("%s (your /boot partition) is not mounted. I'll mount it before backing up", g_boot_mountpt);
[2518]	1186
[3191]	1187	mr_asprintf(tmp, "mount %s", g_boot_mountpt);
	1188	if (run_program_and_log_output(tmp, 5)) {
	1189	g_boot_mountpt[0] = '\0';
	1190	log_msg(1, "Plan B");
	1191	if (!run_program_and_log_output("mount /boot", 5)) {
	1192	strcpy(g_boot_mountpt, "/boot");
	1193	log_msg(1, "Plan B worked");
	1194	} else {
	1195	log_msg(1,
	1196	"Plan B failed. Unable to mount /boot for backup purposes. This probably means /boot is mounted already, or doesn't have its own partition.");
[128]	1197	}
	1198	}
	1199	}
[3191]	1200	mr_free(command);
[128]	1201	}
[1]	1202	}
[3191]	1203	mr_free(tmp);
[128]	1204	log_msg(1, "Ended sub");
[1]	1205	}
	1206
	1207
	1208	/**
	1209	* If we mounted /boot earlier, unmount it.
	1210	*/
	1211	void unmount_boot_if_necessary()
	1212	{
[2518]	1213	char *tmp = NULL;
[1]	1214
[128]	1215	log_msg(3, "starting");
	1216	if (g_boot_mountpt[0]) {
[3185]	1217	mr_asprintf(tmp, "umount %s", g_boot_mountpt);
[128]	1218	if (run_program_and_log_output(tmp, 5)) {
	1219	log_it("WARNING - unable to unmount /boot");
	1220	}
[2518]	1221	mr_free(tmp);
[128]	1222	}
	1223	log_msg(3, "leaving");
[1]	1224	}
	1225
	1226
	1227
	1228	/**
	1229	* Write a line to a configuration file. Writes a line of the form,
	1230	* @c label @c value.
[3268]	1231	* @param config_file The file to write to. Usually @c mondorestore.cfg.
[1]	1232	* @param label What to call this bit of data you're writing.
	1233	* @param value The bit of data you're writing.
	1234	* @return 0 for success, 1 for failure.
	1235	*/
[128]	1236	int write_cfg_var(char config_file, char label, char *value)
[1]	1237	{
[128]	1238	/@ buffers **************************************************** */
[2518]	1239	char *command = NULL;
	1240	char *tempfile = NULL;
[1]	1241
	1242
[128]	1243	/@ end vars ************************************************** */
	1244	assert_string_is_neither_NULL_nor_zerolength(config_file);
	1245	assert_string_is_neither_NULL_nor_zerolength(label);
	1246	assert(value != NULL);
	1247	if (!does_file_exist(config_file)) {
[3191]	1248	log_to_screen("(write_cfg_file) Cannot find %s config file", config_file);
[128]	1249	return (1);
	1250	}
[3185]	1251	mr_asprintf(tempfile, "%s/mojo-jojo.blah", bkpinfo->tmpdir);
[128]	1252	if (does_file_exist(config_file)) {
[3191]	1253	mr_asprintf(command, "grep -vE '^%s .*$' %s > %s", label, config_file, tempfile);
[128]	1254	paranoid_system(command);
[2518]	1255	mr_free(command);
[128]	1256	}
[3185]	1257	mr_asprintf(command, "echo \"%s %s\" >> %s", label, value, tempfile);
[128]	1258	paranoid_system(command);
[2518]	1259	mr_free(command);
	1260
[3185]	1261	mr_asprintf(command, "mv -f %s %s", tempfile, config_file);
[128]	1262	paranoid_system(command);
[2518]	1263	mr_free(command);
[128]	1264	unlink(tempfile);
[2518]	1265	mr_free(tempfile);
[128]	1266	return (0);
[1]	1267	}
	1268
[541]	1269
[1]	1270	/**
[541]	1271	* The standard log_debug_msg() (log_msg() also due to a macro). Writes some describing
	1272	* information to the logfile.
	1273	*/
[3191]	1274	void standard_log_debug_msg(int debug_level, const char szFile, const char szFunction, int nLine, const char *fmt, ...) {
	1275
[541]	1276	va_list args;
	1277	static int depth = 0;
	1278	FILE *fout;
	1279
	1280	if (depth > 5) {
	1281	depth--;
	1282	return;
	1283	}
	1284	depth++;
	1285
	1286	if (debug_level <= g_loglevel) {
	1287	if (!(fout = fopen(MONDO_LOGFILE, "a"))) {
	1288	return;
[3191]	1289	}
[541]	1290
	1291	// add tabs to distinguish log levels
	1292	if (debug_level > 0) {
[3191]	1293	fprintf(fout, "DBG%d: ", debug_level);
[541]	1294	if (getpid() == g_main_pid)
[2205]	1295	fprintf(fout, "[Main] %s->%s#%d: ", szFile, szFunction, nLine);
[541]	1296	else if (getpid() == g_buffer_pid && g_buffer_pid > 0)
[2205]	1297	fprintf(fout, "[Buff] %s->%s#%d: ", szFile, szFunction, nLine);
[541]	1298	else
[2205]	1299	fprintf(fout, "[TH=%d] %s->%s#%d: ", getpid(), szFile, szFunction, nLine);
[3191]	1300	} else {
	1301	fprintf(fout, "INFO: ");
[541]	1302	}
[2230]	1303	va_start(args, fmt);
[541]	1304	vfprintf(fout, fmt, args);
[2230]	1305	va_end(args);
[541]	1306
	1307	fprintf(fout, "\n");
	1308	paranoid_fclose(fout);
	1309	}
	1310	depth--;
	1311	}
	1312
	1313	/**
	1314	* Function pointer to the @c log_debug_msg function to use. Points to standard_log_debug_msg() by default.
	1315	*/
[3194]	1316	void (log_debug_msg) (int, const char , const char , int, const char , ...) = standard_log_debug_msg;
[541]	1317
	1318
	1319	/**
[1]	1320	* Allocate or free important globals, depending on @p mal.
	1321	* @param mal If TRUE, malloc; if FALSE, free.
	1322	*/
	1323	void do_libmondo_global_strings_thing(int mal)
	1324	{
[128]	1325	if (mal) {
	1326	malloc_string(g_boot_mountpt);
	1327	malloc_string(g_mondo_home);
	1328	malloc_string(g_magicdev_command);
	1329	} else {
	1330	paranoid_free(g_boot_mountpt);
	1331	paranoid_free(g_mondo_home);
	1332	paranoid_free(g_magicdev_command);
	1333	}
[1]	1334	}
	1335
	1336	/**
	1337	* Allocate important globals.
	1338	* @see do_libmondo_global_strings_thing
	1339	*/
	1340	void malloc_libmondo_global_strings(void)
	1341	{
[128]	1342	do_libmondo_global_strings_thing(1);
[1]	1343	}
	1344
	1345	/**
	1346	* Free important globals.
	1347	* @see do_libmondo_global_strings_thing
	1348	*/
	1349	void free_libmondo_global_strings(void)
	1350	{
[128]	1351	do_libmondo_global_strings_thing(0);
[1]	1352	}
	1353
	1354
	1355
	1356	/**
	1357	* Stop @c magicdev if it's running.
	1358	* The command used to start it is saved in @p g_magicdev_command.
	1359	*/
	1360	void stop_magicdev_if_necessary()
	1361	{
[3610]	1362	char *tmp = NULL;
	1363
	1364	tmp = call_program_and_get_last_line_of_output("ps ax \| grep -w magicdev \| grep -v grep \| tr -s '\t' ' '\| cut -d' ' -f6-99");
	1365	strcpy(g_magicdev_command, tmp);
[128]	1366	if (g_magicdev_command[0]) {
	1367	log_msg(1, "g_magicdev_command = '%s'", g_magicdev_command);
	1368	paranoid_system("killall magicdev");
	1369	}
[3610]	1370	mr_free(tmp);
[1]	1371	}
	1372
	1373
	1374	/**
	1375	* Restart magicdev if it was stopped.
	1376	*/
	1377	void restart_magicdev_if_necessary()
	1378	{
[2518]	1379	char *tmp = NULL;
[128]	1380
	1381	if (g_magicdev_command && g_magicdev_command[0]) {
[3185]	1382	mr_asprintf(tmp, "%s &", g_magicdev_command);
[128]	1383	paranoid_system(tmp);
[2518]	1384	mr_free(tmp);
[128]	1385	}
[1]	1386	}
	1387
	1388	/* @} - end of utilityGroup */

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