2 * Amanda, The Advanced Maryland Automatic Network Disk Archiver
3 * Copyright (c) 1991-1998 University of Maryland at College Park
6 * Permission to use, copy, modify, distribute, and sell this software and its
7 * documentation for any purpose is hereby granted without fee, provided that
8 * the above copyright notice appear in all copies and that both that
9 * copyright notice and this permission notice appear in supporting
10 * documentation, and that the name of U.M. not be used in advertising or
11 * publicity pertaining to distribution of the software without specific,
12 * written prior permission. U.M. makes no representations about the
13 * suitability of this software for any purpose. It is provided "as is"
14 * without express or implied warranty.
16 * U.M. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL U.M.
18 * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
19 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
20 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
21 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
23 * Authors: the Amanda Development Team. Its members are listed in a
24 * file named AUTHORS, in the root directory of this distribution.
27 * $Id: holding.c,v 1.17.2.12.4.3.2.10.2.2 2004/10/21 13:12:29 martinea Exp $
29 * Functions to access holding disk
35 #include "fileheader.h"
39 static sl_t *scan_holdingdisk P((sl_t *holding_list, char *diskdir, int verbose));
46 if(stat(fname, &statbuf) == -1) return 0;
48 return (statbuf.st_mode & S_IFDIR) == S_IFDIR;
51 int is_emptyfile(fname)
56 if(stat(fname, &statbuf) == -1) return 0;
58 return (statbuf.st_mode & S_IFDIR) != S_IFDIR && statbuf.st_size == 0;
63 /* sanity check on datestamp of the form YYYYMMDD or YYYYMMDDhhmmss*/
66 int ch, num, date, year, month, hour, minute, second;
69 /* must be 8 digits */
70 for(cp = fname; (ch = *cp) != '\0'; cp++) {
75 if(ch != '\0' || (cp-fname != 8 && cp-fname != 14)) {
79 /* sanity check year, month, and day */
81 strncpy(ymd, fname, 8);
85 month = (num / 100) % 100;
87 if(year<1990 || year>2100 || month<1 || month>12 || date<1 || date>31)
93 /* sanity check hour, minute, and second */
94 strncpy(hms, fname+8, 6);
98 minute = (num / 100) % 100;
100 if(hour> 23 || minute>59 || second>59)
103 /* yes, we passed all the checks */
113 struct dirent *entry;
116 if((dir = opendir(fname)) == NULL)
120 while(!gotentry && (entry = readdir(dir)) != NULL) {
121 gotentry = !is_dot_or_dotdot(entry->d_name);
129 sl_t *scan_holdingdisk(holding_list, diskdir, verbose)
135 struct dirent *workdir;
136 char *entryname = NULL;
138 if((topdir = opendir(diskdir)) == NULL) {
139 if(verbose && errno != ENOENT)
140 printf("Warning: could not open holding dir %s: %s\n",
141 diskdir, strerror(errno));
145 /* find all directories of the right format */
148 printf("Scanning %s...\n", diskdir);
149 while((workdir = readdir(topdir)) != NULL) {
150 if(is_dot_or_dotdot(workdir->d_name)
151 || strcmp(workdir->d_name, "lost+found") == 0) {
154 entryname = newvstralloc(entryname,
155 diskdir, "/", workdir->d_name, NULL);
157 printf(" %s: ", workdir->d_name);
159 if(!is_dir(entryname)) {
161 puts("skipping cruft file, perhaps you should delete it.");
162 } else if(!is_datestr(workdir->d_name)) {
164 puts("skipping cruft directory, perhaps you should delete it.");
166 holding_list = insert_sort_sl(holding_list, workdir->d_name);
168 puts("found Amanda directory.");
177 sl_t *scan_holdingdir(holding_list, holdp, datestamp)
179 holdingdisk_t *holdp;
183 struct dirent *entry;
184 char *dirname = NULL;
185 char *destname = NULL;
189 dirname = vstralloc(holdp->diskdir, "/", datestamp, NULL);
190 if((workdir = opendir(dirname)) == NULL) {
192 log_add(L_INFO, "%s: could not open dir: %s",
193 dirname, strerror(errno));
198 while((entry = readdir(workdir)) != NULL) {
199 if(strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0)
202 if(is_emptyfile(entry->d_name))
205 destname = newvstralloc(destname,
206 dirname, "/", entry->d_name,
208 get_dumpfile(destname, &file);
209 if( file.type != F_DUMPFILE) {
210 if( file.type != F_CONT_DUMPFILE )
211 log_add(L_INFO, "%s: ignoring cruft file.", entry->d_name);
215 dp = lookup_disk(file.name, file.disk);
218 log_add(L_INFO, "%s: disk %s:%s not in database, skipping it.",
219 entry->d_name, file.name, file.disk);
223 if(file.dumplevel < 0 || file.dumplevel > 9) {
224 log_add(L_INFO, "%s: ignoring file with bogus dump level %d.",
225 entry->d_name, file.dumplevel);
229 holding_list = append_sl(holding_list, destname);
238 sl_t *get_flush(dateargs, datestamp, amflush, verbose)
240 char *datestamp; /* don't do this date */
241 int amflush, verbose;
246 sle_t *date, *next_date;
247 holdingdisk_t *hdisk;
248 char current_dir[1000];
250 getcwd(current_dir, 999);
252 holding_list = new_sl();
257 date_list = pick_all_datestamp(verbose);
258 for(date = date_list->first; date != NULL;) {
259 next_date = date->next;
261 for(datearg=dateargs->first; datearg != NULL && ok==0;
262 datearg = datearg->next) {
263 ok = match_datestamp(datearg->name, date->name);
265 if(ok == 0) { /* remove dir */
266 remove_sl(date_list, date);
272 date_list = pick_datestamp(verbose);
275 date_list = pick_all_datestamp(verbose);
278 for(date = date_list->first; date !=NULL; date = date->next) {
279 if(!datestamp || strcmp(datestamp,date->name) != 0) {
280 for(hdisk = getconf_holdingdisks(); hdisk != NULL;
281 hdisk = hdisk->next) {
282 holding_list = scan_holdingdir(holding_list, hdisk, date->name);
290 return(holding_list);
294 sl_t *pick_all_datestamp(verbose)
297 sl_t *holding_list = NULL;
298 holdingdisk_t *hdisk;
300 holding_list = new_sl();
301 for(hdisk = getconf_holdingdisks(); hdisk != NULL; hdisk = hdisk->next)
302 holding_list = scan_holdingdisk(holding_list, hdisk->diskdir, verbose);
308 sl_t *pick_datestamp(verbose)
312 sl_t *r_holding_list = NULL;
314 char **directories = NULL;
319 char max_char = '\0', chupper = '\0';
321 holding_list = pick_all_datestamp(verbose);
323 if(holding_list->nb_element == 0) {
326 else if(holding_list->nb_element == 1 || !verbose) {
330 directories = alloc((holding_list->nb_element) * sizeof(char *));
331 for(dir = holding_list->first, i=0; dir != NULL; dir = dir->next,i++) {
332 directories[i] = dir->name;
336 puts("\nMultiple Amanda directories, please pick one by letter:");
337 for(dir = holding_list->first, max_char = 'A';
338 dir != NULL && max_char <= 'Z';
339 dir = dir->next, max_char++) {
340 printf(" %c. %s\n", max_char, dir->name);
343 printf("Select directories to flush [A..%c]: [ALL] ", max_char);
344 fflush(stdout); fflush(stderr);
346 if ((answer = agets(stdin)) == NULL) {
351 while ((ch = *a++) != '\0' && isspace(ch)) {}
352 if(ch == '\0' || strncasecmp(a, "ALL", 3) == 0) {
356 if (isspace(ch) || ch == ',') {
359 chupper = toupper(ch);
360 if (chupper < 'A' || chupper > max_char) {
361 free_sl(r_holding_list);
362 r_holding_list = NULL;
365 r_holding_list = append_sl(r_holding_list,
366 directories[chupper - 'A']);
367 } while ((ch = *a++) != '\0');
368 if (r_holding_list && ch == '\0') {
369 free_sl(holding_list);
370 holding_list = r_holding_list;
381 filetype_t get_amanda_names(fname, hostname, diskname, level)
382 char *fname, **hostname, **diskname;
386 char buffer[DISK_BLOCK_BYTES];
388 *hostname = *diskname = NULL;
390 if((fd = open(fname, O_RDONLY)) == -1)
393 if(fullread(fd, buffer, sizeof(buffer)) != sizeof(buffer)) {
399 parse_file_header(buffer,&file,sizeof(buffer));
400 if(file.type != F_DUMPFILE && file.type != F_CONT_DUMPFILE) {
403 *hostname = stralloc(file.name);
404 *diskname = stralloc(file.disk);
405 *level = file.dumplevel;
411 void get_dumpfile(fname, file)
415 char buffer[DISK_BLOCK_BYTES];
419 file->type = F_UNKNOWN;
420 if((fd = open(fname, O_RDONLY)) == -1)
423 if(fullread(fd, buffer, sizeof(buffer)) != sizeof(buffer)) {
429 parse_file_header(buffer,file,sizeof(buffer));
434 long size_holding_files(holding_file)
439 char buffer[DISK_BLOCK_BYTES];
445 filename = stralloc(holding_file);
446 while(filename != NULL && filename[0] != '\0') {
447 if((fd = open(filename,O_RDONLY)) == -1) {
448 fprintf(stderr,"size_holding_files: open of %s failed: %s\n",filename,strerror(errno));
452 buflen = fullread(fd, buffer, sizeof(buffer));
453 parse_file_header(buffer, &file, buflen);
455 if(stat(filename, &finfo) == -1) {
456 printf("stat %s: %s\n", filename, strerror(errno));
459 size += (finfo.st_size+1023)/1024;
460 filename = newstralloc(filename, file.cont_filename);
467 int unlink_holding_files( holding_file )
472 char buffer[DISK_BLOCK_BYTES];
476 filename = stralloc(holding_file);
477 while(filename != NULL && filename[0] != '\0') {
478 if((fd = open(filename,O_RDONLY)) == -1) {
479 fprintf(stderr,"unlink_holding_files: open of %s failed: %s\n",filename,strerror(errno));
483 buflen = fullread(fd, buffer, sizeof(buffer));
484 parse_file_header(buffer, &file, buflen);
487 filename = newstralloc(filename,file.cont_filename);
494 int rename_tmp_holding( holding_file, complete )
500 char buffer[DISK_BLOCK_BYTES];
503 char *filename_tmp = NULL;
505 filename = stralloc(holding_file);
506 while(filename != NULL && filename[0] != '\0') {
507 filename_tmp = newvstralloc(filename_tmp, filename, ".tmp", NULL);
508 if((fd = open(filename_tmp,O_RDONLY)) == -1) {
509 fprintf(stderr,"rename_tmp_holding: open of %s failed: %s\n",filename_tmp,strerror(errno));
511 amfree(filename_tmp);
514 buflen = fullread(fd, buffer, sizeof(buffer));
517 if(rename(filename_tmp, filename) != 0) {
519 "rename_tmp_holding: could not rename \"%s\" to \"%s\": %s",
520 filename_tmp, filename, strerror(errno));
524 fprintf(stderr,"rename_tmp_holding: %s: empty file?\n", filename);
526 amfree(filename_tmp);
529 parse_file_header(buffer, &file, buflen);
531 if((fd = open(filename, O_RDWR)) == -1) {
532 fprintf(stderr, "rename_tmp_holdingX: open of %s failed: %s\n",
533 filename, strerror(errno));
535 amfree(filename_tmp);
540 build_header(buffer, &file, sizeof(buffer));
541 fullwrite(fd, buffer, sizeof(buffer));
544 filename = newstralloc(filename, file.cont_filename);
547 amfree(filename_tmp);
552 void cleanup_holdingdisk(diskdir, verbose)
557 struct dirent *workdir;
559 if((topdir = opendir(diskdir)) == NULL) {
560 if(verbose && errno != ENOENT)
561 printf("Warning: could not open holding dir %s: %s\n",
562 diskdir, strerror(errno));
566 /* find all directories of the right format */
569 printf("Scanning %s...\n", diskdir);
571 while((workdir = readdir(topdir)) != NULL) {
572 if(is_dot_or_dotdot(workdir->d_name)
573 || strcmp(workdir->d_name, "lost+found") == 0) {
577 printf(" %s: ", workdir->d_name);
578 if(!is_dir(workdir->d_name)) {
580 puts("skipping cruft file, perhaps you should delete it.");
582 else if(!is_datestr(workdir->d_name)) {
584 puts("skipping cruft directory, perhaps you should delete it.");
586 else if(rmdir(workdir->d_name) == 0) {
588 puts("deleted empty Amanda directory.");
595 int mkholdingdir(diskdir)
598 struct stat stat_hdp;
601 if (mkpdir(diskdir, 0770, (uid_t)-1, (gid_t)-1) != 0 && errno != EEXIST) {
602 log_add(L_WARNING, "WARNING: could not create parents of %s: %s",
603 diskdir, strerror(errno));
606 else if (mkdir(diskdir, 0770) != 0 && errno != EEXIST) {
607 log_add(L_WARNING, "WARNING: could not create %s: %s",
608 diskdir, strerror(errno));
611 else if (stat(diskdir, &stat_hdp) == -1) {
612 log_add(L_WARNING, "WARNING: could not stat %s: %s",
613 diskdir, strerror(errno));
617 if (!S_ISDIR((stat_hdp.st_mode))) {
618 log_add(L_WARNING, "WARNING: %s is not a directory",
622 else if (access(diskdir,W_OK) != 0) {
623 log_add(L_WARNING, "WARNING: directory %s is not writable",