/*************************************************************************** mondo-compare.c - compares mondoarchive data ------------------- begin : Fri Apr 25 2003 copyright : (C) 2000 by Hugo Rabson email : Hugo Rabson cvsid : $Id: mondo-rstr-compare.c 998 2006-12-07 01:01:34Z bruno $ ***************************************************************************/ /*************************************************************************** * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * * * ***************************************************************************/ /*************************************************************************** * Change Log * *************************************************************************** . 10/21/2003 - changed "/mnt/cdrom" to MNT_CDROM 10/18 - don't say unknown compressor if no compressor at all 09/17 - cleaned up logging & conversion-to-changed.txt - cleaned up compare_mode() 09/16 - fixed bad malloc(),free() pairs in compare_a_biggiefile() 09/14 - compare_mode() --- a couple of strings were the wrong way round, e.g. changed.txt and changed.files 05/05 - exclude /dev/ * from list of changed files 04/30 - added textonly mode 04/27 - improved compare_mode() to allow for ISO/cd/crazy people 04/25 - first incarnation */ #include #include "../common/my-stuff.h" #include "../common/mondostructures.h" #include "../common/libmondo.h" //#include "../../config.h" #include "mr-externs.h" #include "mondo-rstr-compare.h" #include "mondo-restore-EXT.h" #include "mondo-rstr-tools-EXT.h" //static char cvsid[] = "$Id: mondo-rstr-compare.c 998 2006-12-07 01:01:34Z bruno $"; void popup_changelist_from_file(char *); /** * @addtogroup LLcompareGroup * @{ */ /** * Compare biggiefile number @p bigfileno with the filesystem mounted on @p MNT_RESTORING. * @param bkpinfo The backup information structure. Only used in insist_on_this_cd_number(). * @param bigfileno The biggiefile number (starting from 0) to compare. * @note This function uses an MD5 checksum. */ int compare_a_biggiefile(struct s_bkpinfo *bkpinfo, long bigfileno) { FILE *fin; FILE *fout; /** needs malloc *******/ char *checksum_ptr; char *original_cksum_ptr; char *bigfile_fname_ptr; char *tmp_ptr; char *command_ptr; char *checksum, *original_cksum, *bigfile_fname, *tmp, *command; char *p; int i; int retval = 0; struct s_filename_and_lstat_info biggiestruct; malloc_string(checksum); malloc_string(original_cksum); malloc_string(bigfile_fname); malloc_string(tmp); malloc_string(command); malloc_string(checksum_ptr); malloc_string(original_cksum_ptr); malloc_string(bigfile_fname_ptr); malloc_string(command_ptr); malloc_string(tmp_ptr); /********************************************************************* * allocate memory clear test sab 16 feb 2003 * *********************************************************************/ assert(bkpinfo != NULL); memset(checksum_ptr, '\0', sizeof(checksum)); memset(original_cksum_ptr, '\0', sizeof(original_cksum)); memset(bigfile_fname_ptr, '\0', sizeof(bigfile_fname)); memset(tmp_ptr, '\0', sizeof(tmp)); memset(command_ptr, '\0', sizeof(command)); /** end **/ if (!does_file_exist(slice_fname(bigfileno, 0, ARCHIVES_PATH, ""))) { if (does_file_exist(MNT_CDROM "/archives/NOT-THE-LAST")) { insist_on_this_cd_number(bkpinfo, (++g_current_media_number)); } else { sprintf(tmp_ptr, "No CD's left. No biggiefiles left. No prob, Bob."); log_msg(2, tmp_ptr); return (0); } } if (!(fin = fopen(slice_fname(bigfileno, 0, ARCHIVES_PATH, ""), "r"))) { sprintf(tmp_ptr, "Cannot open bigfile %ld (%s)'s info file", bigfileno + 1, bigfile_fname_ptr); log_to_screen(tmp_ptr); return (1); } fread((void *) &biggiestruct, 1, sizeof(biggiestruct), fin); paranoid_fclose(fin); strcpy(checksum_ptr, biggiestruct.checksum); strcpy(bigfile_fname_ptr, biggiestruct.filename); log_msg(2, "biggiestruct.filename = %s", biggiestruct.filename); log_msg(2, "biggiestruct.checksum = %s", biggiestruct.checksum); sprintf(tmp_ptr, "Comparing %s", bigfile_fname_ptr); if (!g_text_mode) { newtDrawRootText(0, 22, tmp_ptr); newtRefresh(); } if (!checksum[0]) { log_msg(2, "Warning - %s has no checksum", bigfile_fname_ptr); } if (!strncmp(bigfile_fname_ptr, "/dev/", 5)) { strcpy(original_cksum_ptr, "IGNORE"); } else { sprintf(command_ptr, "md5sum \"%s%s\" > /tmp/md5sum.txt 2> /tmp/errors.txt", MNT_RESTORING, bigfile_fname_ptr); } log_msg(2, command_ptr); paranoid_system ("cat /tmp/errors >> /tmp/mondo-restore.log 2> /dev/null"); if (system(command_ptr)) { log_OS_error("Warning - command failed"); original_cksum[0] = '\0'; return (1); } else { if (!(fin = fopen("/tmp/md5sum.txt", "r"))) { log_msg(2, "Unable to open /tmp/md5sum.txt; can't get live checksum"); original_cksum[0] = '\0'; return (1); } else { fgets(original_cksum_ptr, MAX_STR_LEN - 1, fin); paranoid_fclose(fin); for (i = strlen(original_cksum_ptr); i > 0 && original_cksum[i - 1] < 32; i--); original_cksum[i] = '\0'; p = (char *) strchr(original_cksum_ptr, ' '); if (p) { *p = '\0'; } } } sprintf(tmp_ptr, "bigfile #%ld ('%s') ", bigfileno + 1, bigfile_fname_ptr); if (!strcmp(checksum_ptr, original_cksum_ptr) != 0) { strcat(tmp_ptr, " ... OK"); } else { strcat(tmp_ptr, "... changed"); retval++; } log_msg(1, tmp_ptr); if (retval) { if (!(fout = fopen("/tmp/changed.txt", "a"))) { fatal_error("Cannot openout changed.txt"); } fprintf(fout, "%s\n", bigfile_fname_ptr); paranoid_fclose(fout); } paranoid_free(original_cksum_ptr); paranoid_free(original_cksum); paranoid_free(bigfile_fname_ptr); paranoid_free(bigfile_fname); paranoid_free(checksum_ptr); paranoid_free(checksum); paranoid_free(command_ptr); paranoid_free(command); paranoid_free(tmp_ptr); paranoid_free(tmp); return (retval); } /************************************************************************** *END_COMPARE_A_BIGGIEFILE * **************************************************************************/ /** * Compare all biggiefiles in the backup. * @param bkpinfo The backup information structure. Used only in compare_a_biggiefile(). * @return 0 for success, nonzero for failure. */ int compare_all_biggiefiles(struct s_bkpinfo *bkpinfo) { int retval = 0; int res; long noof_biggiefiles, bigfileno = 0; char tmp[MAX_STR_LEN]; assert(bkpinfo != NULL); log_msg(1, "Comparing biggiefiles"); if (length_of_file(BIGGIELIST) < 6) { log_msg(1, "OK, really teeny-tiny biggielist; not comparing biggiefiles"); return (0); } noof_biggiefiles = count_lines_in_file(BIGGIELIST); if (noof_biggiefiles <= 0) { log_msg(1, "OK, no biggiefiles; not comparing biggiefiles"); return (0); } mvaddstr_and_log_it(g_currentY, 0, "Comparing large files "); open_progress_form("Comparing large files", "I am now comparing the large files", "against the filesystem. Please wait.", "", noof_biggiefiles); for (bigfileno = 0; bigfileno < noof_biggiefiles; bigfileno++) { sprintf(tmp, "Comparing big file #%ld", bigfileno + 1); log_msg(1, tmp); update_progress_form(tmp); res = compare_a_biggiefile(bkpinfo, bigfileno); retval += res; g_current_progress++; } close_progress_form(); return (0); if (retval) { mvaddstr_and_log_it(g_currentY++, 74, "Errors."); } else { mvaddstr_and_log_it(g_currentY++, 74, "Done."); } return (retval); } /************************************************************************** *END_COMPARE_ALL_BIGGIEFILES * **************************************************************************/ /** * Compare afioball @p tarball_fname against the filesystem. * You must be chdir()ed to the directory where the filesystem is mounted * before you call this function. * @param tarball_fname The filename of the tarball to compare. * @param current_tarball_number The fileset number contained in @p tarball_fname. * @return 0 for success, nonzero for failure. */ int compare_a_tarball(char *tarball_fname, int current_tarball_number) { int retval = 0; int res; long noof_lines; long archiver_errors; bool use_star; /*** needs malloc *********/ char *command, *tmp, *filelist_name, *logfile, *archiver_exe, *compressor_exe; malloc_string(command); malloc_string(tmp); malloc_string(filelist_name); malloc_string(logfile); malloc_string(archiver_exe); malloc_string(compressor_exe); use_star = (strstr(tarball_fname, ".star")) ? TRUE : FALSE; assert_string_is_neither_NULL_nor_zerolength(tarball_fname); sprintf(logfile, "/tmp/afio.log.%d", current_tarball_number); sprintf(filelist_name, MNT_CDROM "/archives/filelist.%d", current_tarball_number); noof_lines = count_lines_in_file(filelist_name); if (strstr(tarball_fname, ".bz2")) { strcpy(compressor_exe, "bzip2"); } else if (strstr(tarball_fname, ".gz")) { strcpy(compressor_exe, "gzip"); } else if (strstr(tarball_fname, ".lzo")) { strcpy(compressor_exe, "lzop"); } else { compressor_exe[0] = '\0'; } if (use_star) { strcpy(archiver_exe, "star"); } else { strcpy(archiver_exe, "afio"); } if (compressor_exe[0]) { strcpy(tmp, compressor_exe); if (!find_home_of_exe(tmp)) { fatal_error("(compare_a_tarball) Compression program missing"); } if (use_star) // star { if (!strcmp(compressor_exe, "bzip2")) { strcat(archiver_exe, " -bz"); } else { fatal_error ("(compare_a_tarball) Please use only bzip2 with star"); } } else // afio { sprintf(compressor_exe, "-P %s -Z", tmp); } } // star -diff H=star -bz file=.... #ifdef __FreeBSD__ #define BUFSIZE 512L #else #define BUFSIZE (1024L*1024L)/TAPE_BLOCK_SIZE #endif if (use_star) // doesn't use compressor_exe { sprintf(command, "%s -diff H=star file=%s >> %s 2>> %s", archiver_exe, tarball_fname, logfile, logfile); } else { sprintf(command, "%s -r -b %ld -M 16m -c %ld %s %s >> %s 2>> %s", archiver_exe, TAPE_BLOCK_SIZE, BUFSIZE, compressor_exe, tarball_fname, logfile, logfile); } #undef BUFSIZE res = system(command); retval += res; if (res) { log_OS_error(command); sprintf(tmp, "Warning - afio returned error = %d", res); } if (length_of_file(logfile) > 5) { sprintf(command, "sed s/': \\\"'/\\|/ %s | sed s/'\\\": '/\\|/ | cut -d'|' -f2 | sort -u | grep -vx \"dev/.*\" >> /tmp/changed.txt", logfile); system(command); archiver_errors = count_lines_in_file(logfile); } else { archiver_errors = 0; } sprintf(tmp, "%ld difference%c in fileset #%d ", archiver_errors, (archiver_errors != 1) ? 's' : ' ', current_tarball_number); if (archiver_errors) { sprintf(tmp, "Differences found while processing fileset #%d ", current_tarball_number); log_msg(1, tmp); } unlink(logfile); paranoid_free(command); paranoid_free(tmp); paranoid_free(filelist_name); paranoid_free(logfile); malloc_string(archiver_exe); malloc_string(compressor_exe); return (retval); } /************************************************************************** *END_COMPARE_A_TARBALL * **************************************************************************/ /** * Compare all afioballs in this backup. * @param bkpinfo The backup media structure. Passed to other functions. * @return 0 for success, nonzero for failure. */ int compare_all_tarballs(struct s_bkpinfo *bkpinfo) { int retval = 0; int res; int current_tarball_number = 0; /** needs malloc **********/ char *tarball_fname, *progress_str, *tmp; long max_val; malloc_string(tarball_fname); malloc_string(progress_str); malloc_string(tmp); assert(bkpinfo != NULL); mvaddstr_and_log_it(g_currentY, 0, "Comparing archives"); read_cfg_var(g_mondo_cfg_file, "last-filelist-number", tmp); max_val = atol(tmp); sprintf(progress_str, "Comparing with %s #%d ", media_descriptor_string(bkpinfo->backup_media_type), g_current_media_number); open_progress_form("Comparing files", "Comparing tarballs against filesystem.", "Please wait. This may take some time.", progress_str, max_val); log_to_screen(progress_str); for (;;) { insist_on_this_cd_number(bkpinfo, g_current_media_number); update_progress_form(progress_str); sprintf(tarball_fname, MNT_CDROM "/archives/%d.afio.bz2", current_tarball_number); if (!does_file_exist(tarball_fname)) { sprintf(tarball_fname, MNT_CDROM "/archives/%d.afio.lzo", current_tarball_number); } if (!does_file_exist(tarball_fname)) { sprintf(tarball_fname, MNT_CDROM "/archives/%d.afio.", current_tarball_number); } if (!does_file_exist(tarball_fname)) { sprintf(tarball_fname, MNT_CDROM "/archives/%d.star.bz2", current_tarball_number); } if (!does_file_exist(tarball_fname)) { sprintf(tarball_fname, MNT_CDROM "/archives/%d.star.", current_tarball_number); } if (!does_file_exist(tarball_fname)) { if (!does_file_exist(MNT_CDROM "/archives/NOT-THE-LAST") || system("find " MNT_CDROM "/archives/slice* > /dev/null 2> /dev/null") == 0) { log_msg(2, "OK, I think I'm done with tarballs..."); break; } log_msg(2, "OK, I think it's time for another CD..."); g_current_media_number++; sprintf(progress_str, "Comparing with %s #%d ", media_descriptor_string(bkpinfo->backup_media_type), g_current_media_number); log_to_screen(progress_str); } else { res = compare_a_tarball(tarball_fname, current_tarball_number); g_current_progress++; current_tarball_number++; } } close_progress_form(); if (retval) { mvaddstr_and_log_it(g_currentY++, 74, "Errors."); } else { mvaddstr_and_log_it(g_currentY++, 74, "Done."); } paranoid_free(tarball_fname); paranoid_free(progress_str); paranoid_free(tmp); return (retval); } /************************************************************************** *END_COMPARE_ALL_TARBALLS * **************************************************************************/ /* @} - end LLcompareGroup */ /** * @addtogroup compareGroup * @{ */ /** * Compare all data on a CD-R/CD-RW/DVD/ISO/NFS-based backup. * @param bkpinfo The backup information structure. Passed to other functions. * @return 0 for success, nonzero for failure. */ int compare_to_CD(struct s_bkpinfo *bkpinfo) { /** needs malloc *********/ char *tmp, *cwd, *new, *command; int resA = 0; int resB = 0; long noof_changed_files; malloc_string(tmp); malloc_string(cwd); malloc_string(new); malloc_string(command); assert(bkpinfo != NULL); getcwd(cwd, MAX_STR_LEN - 1); chdir(bkpinfo->restore_path); getcwd(new, MAX_STR_LEN - 1); sprintf(tmp, "new path is %s", new); insist_on_this_cd_number(bkpinfo, g_current_media_number); unlink("/tmp/changed.txt"); resA = compare_all_tarballs(bkpinfo); resB = compare_all_biggiefiles(bkpinfo); chdir(cwd); noof_changed_files = count_lines_in_file("/tmp/changed.txt"); if (noof_changed_files) { sprintf(tmp, "%ld files do not match the backup ", noof_changed_files); // mvaddstr_and_log_it( g_currentY++, 0, tmp ); log_to_screen(tmp); sprintf(command, "cat /tmp/changed.txt >> %s", MONDO_LOGFILE); paranoid_system(command); } else { sprintf(tmp, "All files match the backup "); mvaddstr_and_log_it(g_currentY++, 0, tmp); log_to_screen(tmp); } paranoid_free(tmp); paranoid_free(cwd); paranoid_free(new); paranoid_free(command); return (resA + resB); } /************************************************************************** *END_COMPARE_TO_CD * **************************************************************************/ /** * Compare all data in the user's backup. * This function will mount filesystems, compare afioballs and biggiefiles, * and show the user the differences. * @param bkpinfo The backup information structure. Passed to other functions. * @param mountlist The mountlist containing partitions to mount. * @param raidlist The raidlist containing the user's RAID devices. * @return The number of errors/differences found. */ int compare_mode(struct s_bkpinfo *bkpinfo, struct mountlist_itself *mountlist, struct raidlist_itself *raidlist) { int retval = 0; long q; char *tmp; malloc_string(tmp); /************************************************************************** * also deletes tmp/filelist.full & tmp/biggielist.txt _and_ tries to * * restore them from start of tape, if available * **************************************************************************/ assert(bkpinfo != NULL); assert(mountlist != NULL); assert(raidlist != NULL); while (get_cfg_file_from_archive(bkpinfo)) { if (!ask_me_yes_or_no ("Failed to find config file/archives. Choose another source?")) { fatal_error("Unable to find config file/archives. Aborting."); } interactively_obtain_media_parameters_from_user(bkpinfo, FALSE); } read_cfg_file_into_bkpinfo(g_mondo_cfg_file, bkpinfo); g_current_media_number = 1; mvaddstr_and_log_it(1, 30, "Comparing Automatically"); iamhere("Pre-MAD"); retval = mount_all_devices(mountlist, FALSE); iamhere("Post-MAD"); if (retval) { unmount_all_devices(mountlist); return (retval); } if (bkpinfo->backup_media_type == tape || bkpinfo->backup_media_type == udev) { retval += compare_to_tape(bkpinfo); } else if (bkpinfo->backup_media_type == cdstream) { retval += compare_to_cdstream(bkpinfo); } else { retval += compare_to_CD(bkpinfo); } if (retval) { mvaddstr_and_log_it(g_currentY++, 0, "Warning - differences found during the compare phase"); } retval += unmount_all_devices(mountlist); if (count_lines_in_file("/tmp/changed.txt") > 0) { mvaddstr_and_log_it(g_currentY++, 0, "Differences found while files were being compared."); streamline_changes_file("/tmp/changed.files", "/tmp/changed.txt"); if (count_lines_in_file("/tmp/changed.files") <= 0) { mvaddstr_and_log_it(g_currentY++, 0, "...but they were logfiles and temporary files. Your archives are fine."); log_to_screen ("The differences were logfiles and temporary files. Your archives are fine."); } else { q = count_lines_in_file("/tmp/changed.files"); sprintf(tmp, "%ld significant difference%s found.", q, (q != 1) ? "s" : ""); mvaddstr_and_log_it(g_currentY++, 0, tmp); log_to_screen(tmp); strcpy(tmp, "Type 'less /tmp/changed.files' for a list of non-matching files"); mvaddstr_and_log_it(g_currentY++, 0, tmp); log_to_screen(tmp); log_msg(2, "calling popup_changelist_from_file()"); popup_changelist_from_file("/tmp/changed.files"); log_msg(2, "Returning from popup_changelist_from_file()"); } } else { log_to_screen ("No significant differences were found. Your backup is perfect."); } kill_petris(); paranoid_free(tmp); return (retval); } /************************************************************************** *END_COMPARE_MODE * **************************************************************************/ /** * Compare all data on a cdstream-based backup. * @param bkpinfo The backup information structure. Fields used: * - @c bkpinfo->disaster_recovery * - @c bkpinfo->media_device * - @c bkpinfo->restore_path * @return 0 for success, nonzero for failure. */ int compare_to_cdstream(struct s_bkpinfo *bkpinfo) { int res; /** needs malloc **/ char *dir, *command; assert(bkpinfo != NULL); malloc_string(dir); malloc_string(command); getcwd(dir, MAX_STR_LEN); chdir(bkpinfo->restore_path); sprintf(command, "cp -f /tmp/LAST-FILELIST-NUMBER %s/tmp", bkpinfo->restore_path); run_program_and_log_output(command, FALSE); mvaddstr_and_log_it(g_currentY, 0, "Verifying archives against filesystem"); if (bkpinfo->disaster_recovery && does_file_exist("/tmp/CDROM-LIVES-HERE")) { strcpy(bkpinfo->media_device, last_line_of_file("/tmp/CDROM-LIVES-HERE")); } else { find_cdrom_device(bkpinfo->media_device, FALSE); } res = verify_tape_backups(bkpinfo); chdir(dir); if (length_of_file("/tmp/changed.txt") > 2 && length_of_file("/tmp/changed.files") > 2) { log_msg(0, "Type 'less /tmp/changed.files' to see which files don't match the archives"); log_msg(2, "Calling popup_changelist_from_file()"); popup_changelist_from_file("/tmp/changed.files"); log_msg(2, "Returned from popup_changelist_from_file()"); } mvaddstr_and_log_it(g_currentY++, 74, "Done."); paranoid_free(dir); paranoid_free(command); return (res); } /************************************************************************** *END_COMPARE_CD_STREAM * **************************************************************************/ /** * Compare all data on a tape-based backup. * @param bkpinfo The backup information structure. Field used: @c bkpinfo->restore_path. * @return 0 for success, nonzero for failure. */ /************************************************************************** * F@COMPARE_TO_TAPE() * * compare_to_tape() - gots me?? * * * * returns: int * **************************************************************************/ int compare_to_tape(struct s_bkpinfo *bkpinfo) { int res; char *dir, *command; assert(bkpinfo != NULL); malloc_string(dir); malloc_string(command); getcwd(dir, MAX_STR_LEN); chdir(bkpinfo->restore_path); sprintf(command, "cp -f /tmp/LAST-FILELIST-NUMBER %s/tmp", bkpinfo->restore_path); run_program_and_log_output(command, FALSE); mvaddstr_and_log_it(g_currentY, 0, "Verifying archives against filesystem"); res = verify_tape_backups(bkpinfo); chdir(dir); if (res) { mvaddstr_and_log_it(g_currentY++, 74, "Failed."); } else { mvaddstr_and_log_it(g_currentY++, 74, "Done."); } paranoid_free(dir); paranoid_free(command); return (res); } /************************************************************************** *END_COMPARE_TO_TAPE * **************************************************************************/ /* @} - end compareGroup */