source: MondoRescue/branches/3.2/mondo/src/mondoarchive/mondoarchive.c @ 3510

Last change on this file since 3510 was 3510, checked in by Bruno Cornec, 4 years ago
  • Add include of mr_msg.h to avoid compiler warnings
  • Property svn:keywords set to Id
File size: 13.1 KB
Line 
1/***************************************************************************
2$Id: mondoarchive.c 3510 2016-02-16 00:40:52Z bruno $
3* The main file for mondoarchive.
4*/
5
6/************************* #include statements *************************/
7#include <pthread.h>
8#include <stdio.h>
9#include <stdlib.h>
10#include "my-stuff.h"
11#include "mr_mem.h"
12#include "mr_str.h"
13#include "mr_msg.h"
14#include "../common/mondostructures.h"
15#include "../common/libmondo.h"
16#include "../common/libmondo-cli-EXT.h"
17#include "../common/libmondo-tools-EXT.h"
18#include "mondoarchive.h"
19
20// for CVS
21//static char cvsid[] = "$Id: mondoarchive.c 3510 2016-02-16 00:40:52Z bruno $";
22
23/************************* external variables *************************/
24extern void set_signals(int);
25extern int g_current_media_number;
26extern int g_currentY;
27extern bool g_text_mode;
28extern char *g_boot_mountpt;
29extern bool g_remount_floppy_at_end;
30extern char *g_cdrw_drive_is_here;
31static char *g_cdrom_drive_is_here = NULL;
32static char *g_dvd_drive_is_here = NULL;
33extern double g_kernel_version;
34
35/***************** global vars, used only by main.c ******************/
36long diffs = 0L;
37
38extern t_bkptype g_backup_media_type;
39extern int g_loglevel;
40
41extern char *g_magicdev_command;
42
43/**
44 * Whether we're restoring from ISOs. Obviously not, since this is the
45 * backup program.
46 * @note You @b MUST declare this variable somewhere in your program if
47 * you use libmondo. Otherwise the link will fail.
48 * @ingroup globalGroup
49 */
50bool g_ISO_restore_mode = FALSE;
51
52/* Whether we should fail immediately at first error */
53bool g_fail_immediately = FALSE;
54
55/* Do we use extended attributes and acl ?
56 *  * By default no, use --acl & --attr options to force their usage */
57char *g_getfacl = NULL;
58char *g_getfattr = NULL;
59
60/* Reference to global bkpinfo */
61struct s_bkpinfo *bkpinfo;
62
63/* No cleanup for the moment */
64void (*mr_cleanup)(void) = NULL;
65
66/* To be coded */
67void free_MR_global_filenames(void) {
68}
69
70/****************** subroutines used only by main.c ******************/
71
72
73/**
74 * Print a "don't panic" message to the log and a message about the logfile to the screen.
75 */
76void welcome_to_mondoarchive(void)
77{
78    char *tmp = NULL;
79
80    log_msg(0, "Mondo Archive v%s --- http://www.mondorescue.org", PACKAGE_VERSION);
81    log_msg(0, "running %s binaries", get_architecture());
82    tmp = get_uname_m();
83    log_msg(0, "running on %s architecture", tmp);
84    mr_free(tmp);
85    log_msg(0, "-----------------------------------------------------------");
86    log_msg(0, "NB: Mondo logs almost everything, so don't panic if you see");
87    log_msg(0, "some error messages.  Please read them carefully before you");
88    log_msg(0, "decide to break out in a cold sweat.    Despite (or perhaps");
89    log_msg(0, "because of) the wealth of messages. some users are inclined");
90    log_msg(0, "to stop reading this log. If Mondo stopped for some reason,");
91    log_msg(0, "chances are it's detailed here.  More than likely there's a");
92    log_msg(0, "message at the very end of this log that will tell you what");
93    log_msg(0, "is wrong. Please read it!                          -Devteam");
94    log_msg(0, "-----------------------------------------------------------");
95
96    log_msg(0, "Zero...");
97    log_msg(1, "One...");
98    log_msg(2, "Two...");
99    log_msg(3, "Three...");
100    log_msg(4, "Four...");
101    log_msg(5, "Five...");
102    log_msg(6, "Six...");
103    log_msg(7, "Seven...");
104    log_msg(8, "Eight...");
105    printf("See %s for details of backup run.\n", MONDO_LOGFILE);
106}
107
108
109/**
110 * Do whatever is necessary to insure a successful backup on the Linux distribution
111 * of the day.
112 */
113void distro_specific_kludges_at_start_of_mondoarchive(void)
114{
115    log_msg(2, "Unmounting old ramdisks if necessary");
116    stop_magicdev_if_necessary();   // for RH+Gnome users
117    /*
118    run_program_and_log_output
119        ("umount `mount | grep shm | grep mondo | cut -d' ' -f3`", 2);
120        */
121    unmount_supermounts_if_necessary(); // for Mandrake users whose CD-ROMs are supermounted
122    //  stop_autofs_if_necessary(); // for Xandros users
123    mount_boot_if_necessary();  // for Gentoo users with non-mounted /boot partitions
124    clean_up_KDE_desktop_if_necessary();    // delete various misc ~/.* files that get in the way
125}
126
127
128
129/**
130 * Undo whatever was done by distro_specific_kludges_at_start_of_mondoarchive().
131 */
132void distro_specific_kludges_at_end_of_mondoarchive(void)
133{
134    log_msg(2, "Restarting magicdev if necessary");
135    sync();
136    restart_magicdev_if_necessary();    // for RH+Gnome users
137
138    log_msg(2, "Restarting autofs if necessary");
139    sync();
140    //  restart_autofs_if_necessary(); // for Xandros users
141
142    log_msg(2, "Restarting supermounts if necessary");
143    sync();
144    remount_supermounts_if_necessary(); // for Mandrake users
145
146    log_msg(2, "Unmounting /boot if necessary");
147    sync();
148    unmount_boot_if_necessary();    // for Gentoo users
149
150//  log_msg( 2, "Cleaning up KDE desktop");
151//  clean_up_KDE_desktop_if_necessary();
152}
153
154
155/**
156 * Backup/verify the user's data.
157 * What did you think it did, anyway? :-)
158 */
159int main(int argc, char *argv[])
160{
161    char *tmp = NULL;
162    char *tmp1 = NULL;
163    int res = 0;
164    int retval = 0;
165    char *say_at_end = NULL;
166    FILE *fin = NULL;
167
168    /* If -V, -v or --version then echo version no. and quit */
169    if (argc == 2 && (!strcmp(argv[argc - 1], "-v") || !strcmp(argv[argc - 1], "-V") || !strcmp(argv[argc - 1], "--version"))) {
170        printf("mondoarchive v%s\nSee man page for help\n", PACKAGE_VERSION);
171        if (getuid() != 0) fprintf(stderr, "Please run the mondoarchive command as root.\n");
172        exit(0);
173    }
174
175    /* Make sure I'm root; abort if not */
176    if (getuid() != 0) {
177        fprintf(stderr, "Please run as root.\n");
178        exit(127);
179    }
180
181    /* initialize log file with time stamp */
182    unlink(MONDO_LOGFILE);
183    log_msg(0, "Time started: %s", mr_date());
184
185    /* Initialize variables */
186    if (!(bkpinfo = (struct s_bkpinfo *)malloc(sizeof(struct s_bkpinfo)))) {
187        fprintf(stderr, "Cannot malloc bkpinfo\n");
188        exit(-1);
189    }
190    /*  Now on we can use finish to exit as bkpingo has been initialized */
191    log_msg(9, "reset_bkpinfo");
192    reset_bkpinfo();
193
194    /* Memory allocation is done in those functions */
195    malloc_libmondo_global_strings();
196
197    /* make sure PATH environmental variable allows access to mkfs, fdisk, etc. */
198    mr_asprintf(tmp1,"%s:/sbin:/usr/sbin:/usr/local/sbin",getenv("PATH"));
199    setenv("PATH", tmp1, 1);
200    mr_free(tmp1);
201
202    /* Add the ARCH environment variable for ia64 purposes */
203    mr_asprintf(tmp1,"%s",get_architecture());
204    setenv("ARCH", tmp1, 1);
205    mr_free(tmp1);
206
207    /* Add MONDO_SHARE environment variable for mindi */
208    setenv_mondo_share();
209
210    /* Configure the bkpinfo structure, global file paths, etc. */
211    g_main_pid = getpid();
212    log_msg(9, "This");
213
214    set_signals(TRUE);          // catch SIGTERM, etc.
215    run_program_and_log_output("dmesg -n1", TRUE);
216
217    log_msg(9, "Next");
218    make_hole_for_dir(MONDO_CACHE);
219
220    welcome_to_mondoarchive();
221    distro_specific_kludges_at_start_of_mondoarchive();
222    g_kernel_version = get_kernel_version();
223
224    if (argc == 4 && !strcmp(argv[1], "getfattr")) {
225        g_loglevel = 10;
226        setup_newt_stuff();
227        if (!strstr(argv[2], "filelist")) {
228            printf("Sorry - filelist goes first\n");
229            finish(1);
230        } else {
231            finish(get_fattr_list(argv[2], argv[3]));
232        }
233        finish(0);
234    }
235    if (argc == 4 && !strcmp(argv[1], "setfattr")) {
236        g_loglevel = 10;
237        setup_newt_stuff();
238        finish(set_fattr_list(argv[2], argv[3]));
239    }
240
241    if (argc == 3 && !strcmp(argv[1], "wildcards")) {
242        g_loglevel = 10;
243        setup_newt_stuff();
244        tmp1 = mr_stresc(argv[2], "[]*?", '\\', '\'');
245        printf("in=%s; out=%s\n", argv[2], tmp1);
246        mr_free(tmp1);
247        finish(1);
248    }
249
250    if (argc == 4 && !strcmp(argv[1], "getfacl")) {
251        g_loglevel = 10;
252        setup_newt_stuff();
253        if (!strstr(argv[2], "filelist")) {
254            printf("Sorry - filelist goes first\n");
255            finish(1);
256        } else {
257            finish(get_acl_list(argv[2], argv[3]));
258        }
259        finish(0);
260    }
261    if (argc == 4 && !strcmp(argv[1], "setfacl")) {
262        g_loglevel = 10;
263        setup_newt_stuff();
264        finish(set_acl_list(argv[2], argv[3]));
265    }
266    if (argc >= 2 && !strcmp(argv[1], "mkraidtab")) {
267        g_loglevel = 10;
268        setup_newt_stuff();
269#undef MDSTAT_FILE
270#define MDSTAT_FILE "/tmp/mdstat"
271        if (!(fin = fopen(MDSTAT_FILE, "r"))) {
272            log_msg(1, "Could not open %s.", MDSTAT_FILE);
273                finish(1);
274        }
275
276        create_raidtab_from_mdstat(MDSTAT_FILE,"/tmp/raidtab");
277        finish(0);
278    }
279
280    if (argc > 2 && !strcmp(argv[1], "find-cd")) {
281        g_loglevel = 10;
282        setup_newt_stuff();
283        malloc_string(tmp);
284        if (find_cdrw_device(tmp)) {
285            printf("Failed to find CDR-RW drive\n");
286        } else {
287            printf("CD-RW is at %s\n", tmp);
288        }
289        tmp[0] = '\0';
290        if (find_cdrom_device(tmp, atoi(argv[2]))) {
291            printf("Failed to find CD-ROM drive\n");
292        } else {
293            printf("CD-ROM is at %s\n", tmp);
294        }
295        mr_free(tmp);
296        finish(0);
297    }
298
299    if (argc > 2 && !strcmp(argv[1], "find-dvd")) {
300        g_loglevel = 10;
301        setup_newt_stuff();
302        malloc_string(tmp);
303        if (find_dvd_device(tmp, atoi(argv[2]))) {
304            printf("Failed to find DVD drive\n");
305        } else {
306            printf("DVD is at %s\n", tmp);
307        }
308        mr_free(tmp);
309        finish(0);
310    }
311
312    if (argc > 2 && !strcmp(argv[1], "disksize")) {
313        printf("%s --> %ld\n", argv[2], get_phys_size_of_drive(argv[2]));
314        finish(0);
315    }
316    if (argc > 2 && !strcmp(argv[1], "test-dev")) {
317        if (is_dev_an_NTFS_dev(argv[2])) {
318            printf("%s is indeed an NTFS dev\n", argv[2]);
319        } else {
320            printf("%s is _not_ an NTFS dev\n", argv[2]);
321        }
322        finish(0);
323    }
324
325    /*  setup log level for new log system as well */
326    mr_msg_init(MONDO_LOGFILE,g_loglevel);
327
328    if (pre_param_configuration()) {
329        fatal_error("Pre-param initialization phase failed. Please review the error messages above, make the specified changes, then try again. Exiting...");
330    }
331
332    /* Process command line, if there is one. If not, ask user for info. */
333    if (argc == 1) {
334        g_text_mode = FALSE;
335        setup_newt_stuff();
336        res = interactively_obtain_media_parameters_from_user(TRUE);    /* yes, archiving */
337        if (res) {
338            fatal_error("Syntax error. Please review the parameters you have supplied and try again.");
339        }
340    } else {
341        res = handle_incoming_parameters(argc, argv);
342        if (res) {
343            printf("Errors were detected in the command line you supplied.\n");
344            printf("Please review the log file - %s\n", MONDO_LOGFILE );
345            log_msg(1, "Mondoarchive will now exit.");
346            finish(1);
347        }
348        setup_newt_stuff();
349    }
350
351    /* Finish configuring global structures */
352    if (post_param_configuration()) {
353        fatal_error("Post-param initialization phase failed. Perhaps bad parameters were supplied to mondoarchive? Please review the documentation, error messages and logs. Exiting...");
354    }
355
356    /* If we're meant to backup then backup */
357    if (bkpinfo->backup_data) {
358        res = backup_data();
359        retval += res;
360        if (res) {
361            mr_asprintf(say_at_end, "Data archived. Please check the logs, just as a precaution. ");
362        } else {
363            mr_asprintf(say_at_end, "Data archived OK. ");
364        }
365    }
366
367/* If we're meant to verify then verify */
368    if (bkpinfo->verify_data) {
369        res = verify_data();
370        if (res < 0) {
371            mr_asprintf(tmp, "%d difference%c found.", -res, (-res != 1) ? 's' : ' ');
372            mr_asprintf(say_at_end, "%s", tmp);
373            log_to_screen(tmp);
374            mr_free(tmp);
375            res = 0;
376        }
377        retval += res;
378    }
379
380/* Report result of entire operation (success? errors?) */
381    if (!retval) {
382        mvaddstr_and_log_it(g_currentY++, 0, "Backup and/or verify ran to completion. Everything appears to be fine.");
383    } else {
384        mvaddstr_and_log_it(g_currentY++, 0, "Backup and/or verify ran to completion. However, errors did occur.");
385    }
386
387    if (does_file_exist(MINDI_CACHE"/mondorescue.iso")) {
388        log_to_screen(MINDI_CACHE"/mondorescue.iso, a boot/utility CD, is available if you want it.");
389    }
390
391    if (length_of_file(MONDO_CACHE"/changed.files") > 2) {
392        if (g_text_mode) {
393            log_to_screen("Type 'less "MONDO_CACHE"/changed.files' to see which files don't match the archives");
394        } else {
395            log_msg(1, "Type 'less "MONDO_CACHE"/changed.files' to see which files don't match the archives");
396            log_msg(2, "Calling popup_changelist_from_file()");
397            popup_changelist_from_file(MONDO_CACHE"/changed.files");
398            log_msg(2, "Returned from popup_changelist_from_file()");
399        }
400    } else {
401        unlink(MONDO_CACHE"/changed.files");
402    }
403    if (say_at_end != NULL) {
404        log_to_screen(say_at_end);
405        mr_free(say_at_end);
406    }
407    mr_asprintf(tmp, "umount %s/tmpfs", bkpinfo->tmpdir);
408    run_program_and_log_output(tmp, TRUE);
409    mr_free(tmp);
410    if (bkpinfo->backup_media_type == usb) {
411        log_msg(1, "Unmounting USB device.");
412        if (bkpinfo->media_device == NULL) {
413            fatal_error("USB device set to NULL");
414        }
415        mr_asprintf(tmp, "umount %s1", bkpinfo->media_device);
416        run_program_and_log_output(tmp, TRUE);
417        mr_free(tmp);
418    }
419
420    run_program_and_log_output("mount", 2);
421
422    paranoid_system("rm -f "MONDO_CACHE"/last-backup.aborted");
423    if (!retval) {
424        printf("Mondoarchive ran OK.\n");
425    } else {
426        printf("Errors occurred during backup. Please check logfile.\n");
427    }
428    distro_specific_kludges_at_end_of_mondoarchive();
429    set_signals(FALSE);
430
431    free_libmondo_global_strings();
432   
433
434    if (!g_cdrom_drive_is_here) {
435        log_msg(10, "FYI, g_cdrom_drive_is_here was never used");
436    }
437    if (!g_dvd_drive_is_here) {
438        log_msg(10, "FYI, g_dvd_drive_is_here was never used");
439    }
440
441    /* finalize log file with time stamp */
442    log_msg(0, "Time finished: %s", mr_date());
443
444    if (chdir("/tmp")) {
445        // FIXME
446    }
447
448    if (!g_text_mode) {
449        popup_and_OK("Mondo Archive has finished its run. Please press ENTER to return to the shell prompt.");
450        log_to_screen("See %s for details of backup run.", MONDO_LOGFILE);
451    } else {
452        printf("See %s for details of backup run.\n", MONDO_LOGFILE);
453    }
454    mr_msg_close();
455    finish(retval);
456
457    return EXIT_SUCCESS;
458}
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