* file named AUTHORS, in the root directory of this distribution.
*/
/*
- * $Id: holding.c,v 1.52 2006/03/09 22:01:21 martinea Exp $
+ * $Id: holding.c,v 1.56 2006/06/09 23:07:26 martinea Exp $
*
* Functions to access holding disk
*/
#include "amanda.h"
#include "util.h"
#include "holding.h"
+#include "diskfile.h"
#include "fileheader.h"
#include "logfile.h"
-static sl_t *scan_holdingdisk P((sl_t *holding_list, char *diskdir, int verbose));
+/*
+ * utilities */
+
+/* Is fname a directory?
+ *
+ * @param fname: filename (fully qualified)
+ * @returns: boolean
+ */
+static int is_dir(char *fname);
+
+/* Is fname an empty file?
+ *
+ * @param fname: filename (fully qualified)
+ * @returns: boolean
+ */
+static int is_emptyfile(char *fname);
+
+/* sanity check that datestamp is of the form YYYYMMDD or
+ * YYYYMMDDhhmmss
+ *
+ * @param fname: a filename (without directory)
+ * @returns: boolean
+ */
+static int is_datestr(char *fname);
+
+/*
+ * Static functions */
-int is_dir(fname)
-char *fname;
+static int
+is_dir(
+ char *fname)
{
struct stat statbuf;
return (statbuf.st_mode & S_IFDIR) == S_IFDIR;
}
-int is_emptyfile(fname)
-char *fname;
+static int
+is_emptyfile(
+ char *fname)
{
struct stat statbuf;
if(stat(fname, &statbuf) == -1) return 0;
- return (statbuf.st_mode & S_IFDIR) != S_IFDIR && statbuf.st_size == 0;
+ return ((statbuf.st_mode & S_IFDIR) != S_IFDIR) &&
+ (statbuf.st_size == (off_t)0);
}
-int is_datestr(fname)
-char *fname;
-/* sanity check on datestamp of the form YYYYMMDD or YYYYMMDDhhmmss*/
+static int
+is_datestr(
+ char *fname)
{
char *cp;
int ch, num, date, year, month, hour, minute, second;
return 1;
}
+/*
+ * Recursion functions
+ *
+ * These implement a general-purpose walk down the holding-* hierarchy.
+ */
-int non_empty(fname)
-char *fname;
+/* Perform a custom action for this holding element (disk, dir, file, chunk).
+ *
+ * If the element is not cruft, the next step into the tree will only take place
+ * if this function returns a nonzero value.
+ *
+ * The walk is depth-first, with the callback for an element invoked
+ * before entering that element. Callbacks may depend on this behavior.
+ *
+ * @param datap: generic user-data pointer
+ * @param base: the parent of the element being examined, or NULL for
+ * holding disks
+ * @param element: the name of the element being examined
+ * @param fqpath: fully qualified path to 'element'
+ * @param is_cruft: nonzero if this element doesn't belong here
+ * @returns: nonzero if the walk should descend into this element.
+ */
+typedef int (*holding_walk_fn)(
+ gpointer datap,
+ char *base,
+ char *element,
+ char *fqpath,
+ int is_cruft);
+
+typedef enum {
+ STOP_AT_DISK,
+ STOP_AT_DIR,
+ STOP_AT_FILE,
+ STOP_AT_CHUNK
+} stop_at_t;
+
+/* Recurse over all holding chunks in a holding file.
+ *
+ * Call per_chunk_fn for each chunk of the given file
+ *
+ * datap is passed, unchanged, to all holding_walk_fns.
+ *
+ * @param hfile: holding file to examine (fully qualified path)
+ * @param datap: generic user-data pointer
+ * @param per_chunk_fn: function to call for each holding chunk
+ */
+static void holding_walk_file(
+ char *hfile,
+ gpointer datap,
+ holding_walk_fn per_chunk_fn)
+{
+ dumpfile_t file;
+ char *filename = NULL;
+
+ /* Loop through all cont_filenames (subsequent chunks) */
+ filename = stralloc(hfile);
+ while (filename != NULL && filename[0] != '\0') {
+ int is_cruft = 0;
+
+ /* get the header to look for cont_filename */
+ if (!holding_file_get_dumpfile(filename, &file)) {
+ is_cruft = 1;
+ }
+
+ if (per_chunk_fn)
+ per_chunk_fn(datap,
+ hfile,
+ filename,
+ filename,
+ is_cruft);
+ amfree(filename);
+
+ /* and go on to the next chunk if this wasn't cruft */
+ if (!is_cruft)
+ filename = stralloc(file.cont_filename);
+ dumpfile_free_data(&file);
+ }
+
+ amfree(filename);
+}
+
+/* Recurse over all holding files in a holding directory.
+ *
+ * Call per_file_fn for each file, and so on, stopping at the level given by
+ * stop_at.
+ *
+ * datap is passed, unchanged, to all holding_walk_fns.
+ *
+ * @param hdir: holding directory to examine (fully qualified path)
+ * @param datap: generic user-data pointer
+ * @param stop_at: do not proceed beyond this level of the hierarchy
+ * @param per_file_fn: function to call for each holding file
+ * @param per_chunk_fn: function to call for each holding chunk
+ */
+static void holding_walk_dir(
+ char *hdir,
+ gpointer datap,
+ stop_at_t stop_at,
+ holding_walk_fn per_file_fn,
+ holding_walk_fn per_chunk_fn)
{
DIR *dir;
- struct dirent *entry;
- int gotentry;
+ struct dirent *workdir;
+ char *hfile = NULL;
+ dumpfile_t dumpf;
+ int dumpf_ok;
+ int proceed = 1;
+
+ if ((dir = opendir(hdir)) == NULL) {
+ if (errno != ENOENT)
+ dbprintf(_("Warning: could not open holding dir %s: %s\n"),
+ hdir, strerror(errno));
+ return;
+ }
- if((dir = opendir(fname)) == NULL)
- return 0;
+ while ((workdir = readdir(dir)) != NULL) {
+ int is_cruft = 0;
+
+ if (is_dot_or_dotdot(workdir->d_name))
+ continue; /* expected cruft */
+
+ hfile = newvstralloc(hfile,
+ hdir, "/", workdir->d_name,
+ NULL);
- gotentry = 0;
- while(!gotentry && (entry = readdir(dir)) != NULL) {
- gotentry = !is_dot_or_dotdot(entry->d_name);
+ /* filter out various undesirables */
+ if (is_emptyfile(hfile))
+ is_cruft = 1;
+
+ if (is_dir(hfile)) {
+ is_cruft= 1;
+ }
+
+ if (!(dumpf_ok=holding_file_get_dumpfile(hfile, &dumpf)) ||
+ dumpf.type != F_DUMPFILE) {
+ if (dumpf_ok && dumpf.type == F_CONT_DUMPFILE)
+ continue; /* silently skip expected file */
+
+ is_cruft = 1;
+ }
+
+ if (dumpf.dumplevel < 0 || dumpf.dumplevel > 9) {
+ is_cruft = 1;
+ }
+
+ if (per_file_fn)
+ proceed = per_file_fn(datap,
+ hdir,
+ workdir->d_name,
+ hfile,
+ is_cruft);
+ if (!is_cruft && proceed && stop_at != STOP_AT_FILE)
+ holding_walk_file(hfile,
+ datap,
+ per_chunk_fn);
+ dumpfile_free_data(&dumpf);
}
closedir(dir);
- return gotentry;
+ amfree(hfile);
}
-
-static sl_t *scan_holdingdisk(holding_list, diskdir, verbose)
-sl_t *holding_list;
-char *diskdir;
-int verbose;
+/* Recurse over all holding directories in a holding disk.
+ *
+ * Call per_dir_fn for each dir, and so on, stopping at the level given by
+ * stop_at.
+ *
+ * datap is passed, unchanged, to all holding_walk_fns.
+ *
+ * @param hdisk: holding disk to examine (fully qualified path)
+ * @param datap: generic user-data pointer
+ * @param stop_at: do not proceed beyond this level of the hierarchy
+ * @param per_dir_fn: function to call for each holding dir
+ * @param per_file_fn: function to call for each holding file
+ * @param per_chunk_fn: function to call for each holding chunk
+ */
+static void
+holding_walk_disk(
+ char *hdisk,
+ gpointer datap,
+ stop_at_t stop_at,
+ holding_walk_fn per_dir_fn,
+ holding_walk_fn per_file_fn,
+ holding_walk_fn per_chunk_fn)
{
- DIR *topdir;
+ DIR *dir;
struct dirent *workdir;
- char *entryname = NULL;
+ char *hdir = NULL;
+ int proceed = 1;
+
+ if ((dir = opendir(hdisk)) == NULL) {
+ if (errno != ENOENT)
+ dbprintf(_("Warning: could not open holding disk %s: %s\n"),
+ hdisk, strerror(errno));
+ return;
+ }
- if((topdir = opendir(diskdir)) == NULL) {
- if(verbose && errno != ENOENT)
- printf("Warning: could not open holding dir %s: %s\n",
- diskdir, strerror(errno));
- return holding_list;
+ while ((workdir = readdir(dir)) != NULL) {
+ int is_cruft = 0;
+
+ if (is_dot_or_dotdot(workdir->d_name))
+ continue; /* expected cruft */
+
+ hdir = newvstralloc(hdir,
+ hdisk, "/", workdir->d_name,
+ NULL);
+
+ /* detect cruft */
+ if (!is_dir(hdir)) {
+ is_cruft = 1;
+ } else if (!is_datestr(workdir->d_name)) {
+ /* EXT2/3 leave these in the root of each volume */
+ if (strcmp(workdir->d_name, "lost+found") == 0)
+ continue; /* expected cruft */
+ else
+ is_cruft = 1; /* unexpected */
+ }
+
+ if (per_dir_fn)
+ proceed = per_dir_fn(datap,
+ hdisk,
+ workdir->d_name,
+ hdir,
+ is_cruft);
+ if (!is_cruft && proceed && stop_at != STOP_AT_DIR)
+ holding_walk_dir(hdir,
+ datap,
+ stop_at,
+ per_file_fn,
+ per_chunk_fn);
}
- /* find all directories of the right format */
+ closedir(dir);
+ amfree(hdir);
+}
- if(verbose)
- printf("Scanning %s...\n", diskdir);
- while((workdir = readdir(topdir)) != NULL) {
- if(is_dot_or_dotdot(workdir->d_name)) {
- continue;
- }
- entryname = newvstralloc(entryname,
- diskdir, "/", workdir->d_name, NULL);
- if(verbose) {
- printf(" %s: ", workdir->d_name);
- }
- if(!is_dir(entryname)) {
- if(verbose) {
- puts("skipping cruft file, perhaps you should delete it.");
- }
- } else if(!is_datestr(workdir->d_name)) {
- if(verbose && (strcmp(workdir->d_name, "lost+found")!=0) ) {
- puts("skipping cruft directory, perhaps you should delete it.");
- }
- } else {
- holding_list = insert_sort_sl(holding_list, workdir->d_name);
- if(verbose) {
- puts("found Amanda directory.");
- }
- }
+/* Recurse over all holding disks.
+ *
+ * Call per_disk_fn for each disk, per_dir_fn for each dir, and so on, stopping
+ * at the level given by stop_at.
+ *
+ * datap is passed, unchanged, to all holding_walk_fns.
+ *
+ * @param datap: generic user-data pointer
+ * @param stop_at: do not proceed beyond this level of the hierarchy
+ * @param per_disk_fn: function to call for each holding disk
+ * @param per_dir_fn: function to call for each holding dir
+ * @param per_file_fn: function to call for each holding file
+ * @param per_chunk_fn: function to call for each holding chunk
+ */
+static void
+holding_walk(
+ gpointer datap,
+ stop_at_t stop_at,
+ holding_walk_fn per_disk_fn,
+ holding_walk_fn per_dir_fn,
+ holding_walk_fn per_file_fn,
+ holding_walk_fn per_chunk_fn)
+{
+ identlist_t il;
+ holdingdisk_t *hdisk_conf;
+ char *hdisk;
+ int proceed = 1;
+
+ for (il = getconf_identlist(CNF_HOLDINGDISK);
+ il != NULL;
+ il = il->next) {
+ int is_cruft = 0;
+ hdisk_conf = lookup_holdingdisk(il->data);
+
+ hdisk = holdingdisk_get_diskdir(hdisk_conf);
+ if (!is_dir(hdisk))
+ is_cruft = 1;
+
+ if (per_disk_fn)
+ proceed = per_disk_fn(datap,
+ NULL,
+ hdisk,
+ hdisk,
+ 0);
+ if (proceed && stop_at != STOP_AT_DISK)
+ holding_walk_disk(hdisk,
+ datap,
+ stop_at,
+ per_dir_fn,
+ per_file_fn,
+ per_chunk_fn);
}
- closedir(topdir);
- amfree(entryname);
- return holding_list;
}
+/*
+ * holding_get_* functions
+ */
+typedef struct {
+ GSList *result;
+ int fullpaths;
+} holding_get_datap_t;
-sl_t *scan_holdingdir(holding_list, holdp, datestamp)
-sl_t *holding_list;
-holdingdisk_t *holdp;
-char *datestamp;
+/* Functor for holding_get_*; adds 'element' or 'fqpath' to
+ * the result.
+ */
+static int
+holding_get_walk_fn(
+ gpointer datap,
+ G_GNUC_UNUSED char *base,
+ char *element,
+ char *fqpath,
+ int is_cruft)
{
- DIR *workdir;
- struct dirent *entry;
- char *dirname = NULL;
- char *destname = NULL;
- disk_t *dp;
- dumpfile_t file;
+ holding_get_datap_t *data = (holding_get_datap_t *)datap;
+
+ /* ignore cruft */
+ if (is_cruft) return 0;
+
+ if (data->fullpaths)
+ data->result = g_slist_insert_sorted(data->result,
+ stralloc(fqpath),
+ g_compare_strings);
+ else
+ data->result = g_slist_insert_sorted(data->result,
+ stralloc(element),
+ g_compare_strings);
+
+ /* don't proceed any deeper */
+ return 0;
+}
+
+GSList *
+holding_get_disks(void)
+{
+ holding_get_datap_t data;
+ data.result = NULL;
+ data.fullpaths = 1; /* ignored anyway */
+
+ holding_walk((gpointer)&data,
+ STOP_AT_DISK,
+ holding_get_walk_fn, NULL, NULL, NULL);
- dirname = vstralloc(holdp->diskdir, "/", datestamp, NULL);
- if((workdir = opendir(dirname)) == NULL) {
- if(errno != ENOENT)
- log_add(L_INFO, "%s: could not open dir: %s",
- dirname, strerror(errno));
- amfree(dirname);
- return holding_list;
+ return data.result;
+}
+
+GSList *
+holding_get_files(
+ char *hdir,
+ int fullpaths)
+{
+ holding_get_datap_t data;
+ data.result = NULL;
+ data.fullpaths = fullpaths;
+
+ if (hdir) {
+ holding_walk_dir(hdir, (gpointer)&data,
+ STOP_AT_FILE,
+ holding_get_walk_fn, NULL);
+ } else {
+ holding_walk((gpointer)&data,
+ STOP_AT_FILE,
+ NULL, NULL, holding_get_walk_fn, NULL);
}
- chdir(dirname);
- while((entry = readdir(workdir)) != NULL) {
- if(strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0)
- continue;
- if(is_emptyfile(entry->d_name))
- continue;
+ return data.result;
+}
- destname = newvstralloc(destname,
- dirname, "/", entry->d_name,
- NULL);
- get_dumpfile(destname, &file);
- if( file.type != F_DUMPFILE) {
- if( file.type != F_CONT_DUMPFILE )
- log_add(L_INFO, "%s: ignoring cruft file.", entry->d_name);
- continue;
- }
+GSList *
+holding_get_file_chunks(char *hfile)
+{
+ holding_get_datap_t data;
+ data.result = NULL;
+ data.fullpaths = 1;
+
+ holding_walk_file(hfile, (gpointer)&data,
+ holding_get_walk_fn);
- dp = lookup_disk(file.name, file.disk);
+ return data.result;
+}
- if (dp == NULL) {
- log_add(L_INFO, "%s: disk %s:%s not in database, skipping it.",
- entry->d_name, file.name, file.disk);
+GSList *
+holding_get_files_for_flush(
+ GSList *dateargs)
+{
+ GSList *file_list, *file_elt;
+ GSList *date;
+ int date_matches;
+ dumpfile_t file;
+ GSList *result_list = NULL;
+
+ /* loop over *all* files, checking each one's datestamp against the expressions
+ * in dateargs */
+ file_list = holding_get_files(NULL, 1);
+ for (file_elt = file_list; file_elt != NULL; file_elt = file_elt->next) {
+ /* get info on that file */
+ if (!holding_file_get_dumpfile((char *)file_elt->data, &file))
continue;
+
+ if (file.type != F_DUMPFILE) {
+ dumpfile_free_data(&file);
+ continue;
}
- if(file.dumplevel < 0 || file.dumplevel > 9) {
- log_add(L_INFO, "%s: ignoring file with bogus dump level %d.",
- entry->d_name, file.dumplevel);
- continue;
+ if (dateargs) {
+ date_matches = 0;
+ /* loop over date args, until we find a match */
+ for (date = dateargs; date !=NULL; date = date->next) {
+ if (strcmp((char *)date->data, file.datestamp) == 0) {
+ date_matches = 1;
+ break;
+ }
+ }
+ } else {
+ /* if no date list was provided, then all dates match */
+ date_matches = 1;
+ }
+ if (!date_matches) {
+ dumpfile_free_data(&file);
+ continue;
}
- holding_list = append_sl(holding_list, destname);
+ /* passed all tests -- we'll flush this file */
+ result_list = g_slist_insert_sorted(result_list,
+ stralloc(file_elt->data),
+ g_compare_strings);
+ dumpfile_free_data(&file);
}
- closedir(workdir);
- amfree(dirname);
- amfree(destname);
- return holding_list;
-}
+ if (file_list) g_slist_free_full(file_list);
+ return result_list;
+}
-sl_t *get_flush(dateargs, datestamp, amflush, verbose)
-sl_t *dateargs;
-char *datestamp; /* don't do this date */
-int amflush, verbose;
+GSList *
+holding_get_all_datestamps(void)
{
- sl_t *holding_list;
- sl_t *date_list;
- sle_t *datearg;
- sle_t *date, *next_date;
- holdingdisk_t *hdisk;
- char current_dir[1000];
-
- getcwd(current_dir, 999);
-
- holding_list = new_sl();
-
- if(dateargs) {
- int ok;
-
- date_list = pick_all_datestamp(verbose);
- for(date = date_list->first; date != NULL;) {
- next_date = date->next;
- ok = 0;
- for(datearg=dateargs->first; datearg != NULL && ok==0;
- datearg = datearg->next) {
- ok = match_datestamp(datearg->name, date->name);
- }
- if(ok == 0) { /* remove dir */
- remove_sl(date_list, date);
- }
- date = next_date;
+ GSList *all_files, *file;
+ GSList *datestamps = NULL;
+
+ /* enumerate all files */
+ all_files = holding_get_files(NULL, 1);
+ for (file = all_files; file != NULL; file = file->next) {
+ dumpfile_t dfile;
+ if (!holding_file_get_dumpfile((char *)file->data, &dfile))
+ continue;
+ if (!g_slist_find_custom(datestamps, dfile.datestamp,
+ g_compare_strings)) {
+ datestamps = g_slist_insert_sorted(datestamps,
+ stralloc(dfile.datestamp),
+ g_compare_strings);
}
- }
- else if (amflush) {
- date_list = pick_datestamp(verbose);
- }
- else {
- date_list = pick_all_datestamp(verbose);
+ dumpfile_free_data(&dfile);
}
- for(date = date_list->first; date !=NULL; date = date->next) {
- if(!datestamp || strcmp(datestamp,date->name) != 0) {
- for(hdisk = getconf_holdingdisks(); hdisk != NULL;
- hdisk = hdisk->next) {
- holding_list = scan_holdingdir(holding_list, hdisk, date->name);
- }
- }
- }
+ g_slist_free_full(all_files);
- free_sl(date_list);
- date_list = NULL;
- chdir(current_dir);
- return(holding_list);
+ return datestamps;
}
-
-sl_t *pick_all_datestamp(verbose)
-int verbose;
+off_t
+holding_file_size(
+ char *hfile,
+ int strip_headers)
{
- sl_t *holding_list = NULL;
- holdingdisk_t *hdisk;
+ dumpfile_t file;
+ char *filename;
+ off_t size = (off_t)0;
+ struct stat finfo;
+
+ /* (note: we don't use holding_get_file_chunks here because that would
+ * entail opening each file twice) */
- holding_list = new_sl();
- for(hdisk = getconf_holdingdisks(); hdisk != NULL; hdisk = hdisk->next)
- holding_list = scan_holdingdisk(holding_list, hdisk->diskdir, verbose);
+ /* Loop through all cont_filenames (subsequent chunks) */
+ filename = stralloc(hfile);
+ while (filename != NULL && filename[0] != '\0') {
+ /* stat the file for its size */
+ if (stat(filename, &finfo) == -1) {
+ dbprintf(_("stat %s: %s\n"), filename, strerror(errno));
+ size = -1;
+ break;
+ }
+ size += (finfo.st_size+(off_t)1023)/(off_t)1024;
+ if (strip_headers)
+ size -= (off_t)(DISK_BLOCK_BYTES / 1024);
+
+ /* get the header to look for cont_filename */
+ if (!holding_file_get_dumpfile(filename, &file)) {
+ dbprintf(_("holding_file_size: open of %s failed.\n"), filename);
+ size = -1;
+ break;
+ }
- return holding_list;
+ /* on to the next chunk */
+ filename = newstralloc(filename, file.cont_filename);
+ dumpfile_free_data(&file);
+ }
+ amfree(filename);
+ return size;
}
-sl_t *pick_datestamp(verbose)
-int verbose;
+int
+holding_file_unlink(
+ char *hfile)
{
- sl_t *holding_list;
- sl_t *r_holding_list = NULL;
- sle_t *dir;
- char **directories = NULL;
- int i;
- char *answer = NULL;
- char *a;
- int ch;
- char max_char = '\0', chupper = '\0';
-
- holding_list = pick_all_datestamp(verbose);
-
- if(holding_list->nb_element == 0) {
- return holding_list;
- }
- else if(holding_list->nb_element == 1 || !verbose) {
- return holding_list;
+ GSList *chunklist;
+ GSList *chunk;
+
+ chunklist = holding_get_file_chunks(hfile);
+ if (!chunklist)
+ return 0;
+
+ for (chunk = chunklist; chunk != NULL; chunk = chunk->next) {
+ if (unlink((char *)chunk->data)<0) {
+ dbprintf(_("holding_file_unlink: could not unlink %s: %s\n"),
+ (char *)chunk->data, strerror(errno));
+ return 0;
+ }
}
- else {
- directories = alloc((holding_list->nb_element) * sizeof(char *));
- for(dir = holding_list->first, i=0; dir != NULL; dir = dir->next,i++) {
- directories[i] = dir->name;
- }
-
- while(1) {
- puts("\nMultiple Amanda directories, please pick one by letter:");
- for(dir = holding_list->first, max_char = 'A';
- dir != NULL && max_char <= 'Z';
- dir = dir->next, max_char++) {
- printf(" %c. %s\n", max_char, dir->name);
- }
- max_char--;
- printf("Select directories to flush [A..%c]: [ALL] ", max_char);
- fflush(stdout); fflush(stderr);
- amfree(answer);
- if ((answer = agets(stdin)) == NULL) {
- clearerr(stdin);
- continue;
- }
- a = answer;
- while ((ch = *a++) != '\0' && isspace(ch)) {}
- if(ch == '\0' || strncasecmp(a, "ALL", 3) == 0) {
- break;
- }
- do {
- if (isspace(ch) || ch == ',') {
- continue;
- }
- chupper = toupper(ch);
- if (chupper < 'A' || chupper > max_char) {
- free_sl(r_holding_list);
- r_holding_list = NULL;
- break;
- }
- r_holding_list = append_sl(r_holding_list,
- directories[chupper - 'A']);
- } while ((ch = *a++) != '\0');
- if (r_holding_list && ch == '\0') {
- free_sl(holding_list);
- holding_list = r_holding_list;
- break;
- }
- }
- }
- amfree(directories);
- amfree(answer);
- return holding_list;
+ return 1;
}
-
-filetype_t get_amanda_names(fname, hostname, diskname, level)
-char *fname, **hostname, **diskname;
-int *level;
+int
+holding_file_get_dumpfile(
+ char * fname,
+ dumpfile_t *file)
{
- dumpfile_t file;
char buffer[DISK_BLOCK_BYTES];
int fd;
- *hostname = *diskname = NULL;
- if((fd = open(fname, O_RDONLY)) == -1)
- return F_UNKNOWN;
+ memset(buffer, 0, sizeof(buffer));
+
+ fh_init(file);
+ file->type = F_UNKNOWN;
+ if((fd = robust_open(fname, O_RDONLY, 0)) == -1)
+ return 0;
- if(fullread(fd, buffer, sizeof(buffer)) != sizeof(buffer)) {
- aclose(fd);
- return F_UNKNOWN;
+ if(full_read(fd, buffer, SIZEOF(buffer)) != sizeof(buffer)) {
+ aclose(fd);
+ return 0;
}
aclose(fd);
- parse_file_header(buffer,&file,sizeof(buffer));
- if(file.type != F_DUMPFILE && file.type != F_CONT_DUMPFILE) {
- return file.type;
+ parse_file_header(buffer, file, SIZEOF(buffer));
+ return 1;
+}
+
+/*
+ * Cleanup
+ */
+
+typedef struct {
+ corrupt_dle_fn corrupt_dle;
+ FILE *verbose_output;
+} holding_cleanup_datap_t;
+
+static int
+holding_cleanup_disk(
+ gpointer datap,
+ G_GNUC_UNUSED char *base,
+ G_GNUC_UNUSED char *element,
+ char *fqpath,
+ int is_cruft)
+{
+ holding_cleanup_datap_t *data = (holding_cleanup_datap_t *)datap;
+
+ if (data->verbose_output) {
+ if (is_cruft)
+ g_fprintf(data->verbose_output,
+ _("Invalid holding disk '%s'\n"), fqpath);
+ else
+ g_fprintf(data->verbose_output,
+ _("Cleaning up holding disk '%s'\n"), fqpath);
}
- *hostname = stralloc(file.name);
- *diskname = stralloc(file.disk);
- *level = file.dumplevel;
- return file.type;
+ return 1;
}
-
-void get_dumpfile(fname, file)
-char *fname;
-dumpfile_t *file;
+static int
+holding_cleanup_dir(
+ gpointer datap,
+ G_GNUC_UNUSED char *base,
+ char *element,
+ char *fqpath,
+ int is_cruft)
{
- char buffer[DISK_BLOCK_BYTES];
- int fd;
+ holding_cleanup_datap_t *data = (holding_cleanup_datap_t *)datap;
- fh_init(file);
- file->type = F_UNKNOWN;
- if((fd = open(fname, O_RDONLY)) == -1)
- return;
+ if (is_cruft) {
+ if (data->verbose_output)
+ g_fprintf(data->verbose_output,
+ _("Invalid holding directory '%s'\n"), fqpath);
+ return 0;
+ }
- if(fullread(fd, buffer, sizeof(buffer)) != sizeof(buffer)) {
- aclose(fd);
- return;
+ /* try removing it */
+ if (rmdir(fqpath) == 0) {
+ /* success, so don't try to walk into it */
+ if (data->verbose_output)
+ g_fprintf(data->verbose_output,
+ _(" ..removed empty directory '%s'\n"), element);
+ return 0;
}
- aclose(fd);
- parse_file_header(buffer,file,sizeof(buffer));
- return;
-}
+ if (data->verbose_output)
+ g_fprintf(data->verbose_output,
+ _(" ..cleaning up holding directory '%s'\n"), element);
+ return 1;
+}
-long size_holding_files(holding_file, strip_headers)
-char *holding_file;
-int strip_headers;
+static int
+holding_cleanup_file(
+ gpointer datap,
+ G_GNUC_UNUSED char *base,
+ char *element,
+ char *fqpath,
+ int is_cruft)
{
- int fd;
- int buflen;
- char buffer[DISK_BLOCK_BYTES];
+ holding_cleanup_datap_t *data = (holding_cleanup_datap_t *)datap;
+ int stat;
+ int l;
dumpfile_t file;
- char *filename;
- long size=0;
- struct stat finfo;
+ disk_t *dp;
- filename = stralloc(holding_file);
- while(filename != NULL && filename[0] != '\0') {
- if((fd = open(filename,O_RDONLY)) == -1) {
- fprintf(stderr,"size_holding_files: open of %s failed: %s\n",filename,strerror(errno));
- amfree(filename);
- return -1;
- }
- if ((buflen = fullread(fd, buffer, sizeof(buffer))) > 0) {
- parse_file_header(buffer, &file, buflen);
- }
- close(fd);
- if(stat(filename, &finfo) == -1) {
- printf("stat %s: %s\n", filename, strerror(errno));
- finfo.st_size = 0;
- }
- size += (finfo.st_size+1023)/1024;
- if(strip_headers) size -= DISK_BLOCK_BYTES/1024;
- if(buflen > 0) {
- filename = newstralloc(filename, file.cont_filename);
- }
- else {
- amfree(filename);
- }
+ if (is_cruft) {
+ if (data->verbose_output)
+ g_fprintf(data->verbose_output,
+ _("Invalid holding file '%s'\n"), element);
+ return 0;
}
- amfree(filename);
- return size;
-}
-int unlink_holding_files( holding_file )
-char *holding_file;
-{
- int fd;
- int buflen;
- char buffer[DISK_BLOCK_BYTES];
- dumpfile_t file;
- char *filename;
+ stat = holding_file_get_dumpfile(fqpath, &file);
- filename = stralloc(holding_file);
- while(filename != NULL && filename[0] != '\0') {
- if((fd = open(filename,O_RDONLY)) == -1) {
- fprintf(stderr,"unlink_holding_files: open of %s failed: %s\n",filename,strerror(errno));
- amfree(filename);
- return 0;
- }
- if ((buflen = fullread(fd, buffer, sizeof(buffer))) > 0) {
- parse_file_header(buffer, &file, buflen);
- }
- close(fd);
- unlink(filename);
- if(buflen > 0) {
- filename = newstralloc(filename, file.cont_filename);
- }
- else {
- amfree(filename);
+ if (!stat) {
+ if (data->verbose_output)
+ g_fprintf(data->verbose_output,
+ _("Could not read read header from '%s'\n"), element);
+ dumpfile_free_data(&file);
+ return 0;
+ }
+
+ if (file.type != F_DUMPFILE && file.type != F_CONT_DUMPFILE) {
+ if (data->verbose_output)
+ g_fprintf(data->verbose_output,
+ _("File '%s' is not a dump file\n"), element);
+ dumpfile_free_data(&file);
+ return 0;
+ }
+
+ if(file.dumplevel < 0 || file.dumplevel > 9) {
+ if (data->verbose_output)
+ g_fprintf(data->verbose_output,
+ _("File '%s' has invalid level %d\n"), element, file.dumplevel);
+ dumpfile_free_data(&file);
+ return 0;
+ }
+
+ dp = lookup_disk(file.name, file.disk);
+
+ if (dp == NULL) {
+ if (data->verbose_output)
+ g_fprintf(data->verbose_output,
+ _("File '%s' is for '%s:%s', which is not in the disklist\n"),
+ element, file.name, file.disk);
+ dumpfile_free_data(&file);
+ return 0;
+ }
+
+ if ((l = strlen(element)) >= 7 && strncmp(&fqpath[l-4],".tmp",4) == 0) {
+ char *destname;
+
+ /* generate a name without '.tmp' */
+ destname = stralloc(fqpath);
+ destname[strlen(destname) - 4] = '\0';
+
+ /* OK, it passes muster -- rename it to salvage some data,
+ * and mark the DLE as corrupted */
+ if (data->verbose_output)
+ g_fprintf(data->verbose_output,
+ _("Processing partial holding file '%s'\n"), element);
+
+ if(rename_tmp_holding(destname, 0)) {
+ if (data->corrupt_dle)
+ data->corrupt_dle(dp->host->hostname, dp->name);
+ } else {
+ dbprintf(_("rename_tmp_holding(%s) failed\n"), destname);
+ if (data->verbose_output)
+ g_fprintf(data->verbose_output,
+ _("Rename of '%s' to '%s' failed.\n"), element, destname);
}
+
+ amfree(destname);
}
- amfree(filename);
+
+ dumpfile_free_data(&file);
return 1;
}
+void
+holding_cleanup(
+ corrupt_dle_fn corrupt_dle,
+ FILE *verbose_output)
+{
+ holding_cleanup_datap_t data;
+ data.corrupt_dle = corrupt_dle;
+ data.verbose_output = verbose_output;
+
+ holding_walk((gpointer)&data,
+ STOP_AT_FILE,
+ holding_cleanup_disk,
+ holding_cleanup_dir,
+ holding_cleanup_file,
+ NULL);
+}
+
+/*
+ * Application support
+ */
-int rename_tmp_holding( holding_file, complete )
-char *holding_file;
-int complete;
+void
+holding_set_origsize(
+ char *holding_file,
+ off_t orig_size)
+{
+ int fd;
+ size_t buflen;
+ char buffer[DISK_BLOCK_BYTES];
+ char *read_buffer;
+ dumpfile_t file;
+
+ if((fd = robust_open(holding_file, O_RDWR, 0)) == -1) {
+ dbprintf(_("holding_set_origsize: open of %s failed: %s\n"),
+ holding_file, strerror(errno));
+ return;
+ }
+
+ buflen = full_read(fd, buffer, SIZEOF(buffer));
+ if (buflen <= 0) {
+ dbprintf(_("holding_set_origsize: %s: empty file?\n"), holding_file);
+ return;
+ }
+ parse_file_header(buffer, &file, (size_t)buflen);
+ lseek(fd, (off_t)0, SEEK_SET);
+ file.orig_size = orig_size;
+ read_buffer = build_header(&file, NULL, DISK_BLOCK_BYTES);
+ full_write(fd, read_buffer, DISK_BLOCK_BYTES);
+ dumpfile_free_data(&file);
+ amfree(read_buffer);
+ close(fd);
+}
+
+int
+rename_tmp_holding(
+ char * holding_file,
+ int complete)
{
int fd;
- int buflen;
+ size_t buflen;
char buffer[DISK_BLOCK_BYTES];
dumpfile_t file;
char *filename;
char *filename_tmp = NULL;
+ memset(buffer, 0, sizeof(buffer));
filename = stralloc(holding_file);
while(filename != NULL && filename[0] != '\0') {
filename_tmp = newvstralloc(filename_tmp, filename, ".tmp", NULL);
- if((fd = open(filename_tmp,O_RDONLY)) == -1) {
- fprintf(stderr,"rename_tmp_holding: open of %s failed: %s\n",filename_tmp,strerror(errno));
+ if((fd = robust_open(filename_tmp,O_RDONLY, 0)) == -1) {
+ dbprintf(_("rename_tmp_holding: open of %s failed: %s\n"),filename_tmp,strerror(errno));
amfree(filename);
amfree(filename_tmp);
return 0;
}
- buflen = fullread(fd, buffer, sizeof(buffer));
+ buflen = full_read(fd, buffer, SIZEOF(buffer));
close(fd);
if(rename(filename_tmp, filename) != 0) {
- fprintf(stderr,
- "rename_tmp_holding: could not rename \"%s\" to \"%s\": %s",
+ dbprintf(_("rename_tmp_holding: could not rename \"%s\" to \"%s\": %s"),
filename_tmp, filename, strerror(errno));
}
if (buflen <= 0) {
- fprintf(stderr,"rename_tmp_holding: %s: empty file?\n", filename);
+ dbprintf(_("rename_tmp_holding: %s: empty file?\n"), filename);
amfree(filename);
amfree(filename_tmp);
return 0;
}
- parse_file_header(buffer, &file, buflen);
+ parse_file_header(buffer, &file, (size_t)buflen);
if(complete == 0 ) {
- if((fd = open(filename, O_RDWR)) == -1) {
- fprintf(stderr, "rename_tmp_holdingX: open of %s failed: %s\n",
+ char * header;
+ if((fd = robust_open(filename, O_RDWR, 0)) == -1) {
+ dbprintf(_("rename_tmp_holdingX: open of %s failed: %s\n"),
filename, strerror(errno));
+ dumpfile_free_data(&file);
amfree(filename);
amfree(filename_tmp);
return 0;
}
file.is_partial = 1;
- build_header(buffer, &file, sizeof(buffer));
- fullwrite(fd, buffer, sizeof(buffer));
+ if (debug_holding > 1)
+ dump_dumpfile_t(&file);
+ header = build_header(&file, NULL, DISK_BLOCK_BYTES);
+ if (!header) /* this shouldn't happen */
+ error(_("header does not fit in %zd bytes"), (size_t)DISK_BLOCK_BYTES);
+ if (full_write(fd, header, DISK_BLOCK_BYTES) != DISK_BLOCK_BYTES) {
+ dbprintf(_("rename_tmp_holding: writing new header failed: %s"),
+ strerror(errno));
+ dumpfile_free_data(&file);
+ amfree(filename);
+ amfree(filename_tmp);
+ free(header);
+ close(fd);
+ return 0;
+ }
+ free(header);
close(fd);
}
filename = newstralloc(filename, file.cont_filename);
+ dumpfile_free_data(&file);
}
amfree(filename);
amfree(filename_tmp);
}
-void cleanup_holdingdisk(diskdir, verbose)
-char *diskdir;
-int verbose;
-{
- DIR *topdir;
- struct dirent *workdir;
-
- if((topdir = opendir(diskdir)) == NULL) {
- if(verbose && errno != ENOENT)
- printf("Warning: could not open holding dir %s: %s\n",
- diskdir, strerror(errno));
- return;
- }
-
- /* find all directories of the right format */
-
- if(verbose)
- printf("Scanning %s...\n", diskdir);
- chdir(diskdir);
- while((workdir = readdir(topdir)) != NULL) {
- if(strcmp(workdir->d_name, ".") == 0
- || strcmp(workdir->d_name, "..") == 0
- || strcmp(workdir->d_name, "lost+found") == 0)
- continue;
-
- if(verbose)
- printf(" %s: ", workdir->d_name);
- if(!is_dir(workdir->d_name)) {
- if(verbose)
- puts("skipping cruft file, perhaps you should delete it.");
- }
- else if(!is_datestr(workdir->d_name)) {
- if(verbose && (strcmp(workdir->d_name, "lost+found")!=0) )
- puts("skipping cruft directory, perhaps you should delete it.");
- }
- else if(rmdir(workdir->d_name) == 0) {
- if(verbose)
- puts("deleted empty Amanda directory.");
- }
- }
- closedir(topdir);
-}
-
-
-int mkholdingdir(diskdir)
-char *diskdir;
+int
+mkholdingdir(
+ char * diskdir)
{
struct stat stat_hdp;
int success = 1;
if (mkpdir(diskdir, 0770, (uid_t)-1, (gid_t)-1) != 0 && errno != EEXIST) {
- log_add(L_WARNING, "WARNING: could not create parents of %s: %s",
+ log_add(L_WARNING, _("WARNING: could not create parents of %s: %s"),
diskdir, strerror(errno));
success = 0;
}
else if (mkdir(diskdir, 0770) != 0 && errno != EEXIST) {
- log_add(L_WARNING, "WARNING: could not create %s: %s",
+ log_add(L_WARNING, _("WARNING: could not create %s: %s"),
diskdir, strerror(errno));
success = 0;
}
else if (stat(diskdir, &stat_hdp) == -1) {
- log_add(L_WARNING, "WARNING: could not stat %s: %s",
+ log_add(L_WARNING, _("WARNING: could not stat %s: %s"),
diskdir, strerror(errno));
success = 0;
}
else {
if (!S_ISDIR((stat_hdp.st_mode))) {
- log_add(L_WARNING, "WARNING: %s is not a directory",
+ log_add(L_WARNING, _("WARNING: %s is not a directory"),
diskdir);
success = 0;
}
else if (access(diskdir,W_OK) != 0) {
- log_add(L_WARNING, "WARNING: directory %s is not writable",
+ log_add(L_WARNING, _("WARNING: directory %s is not writable"),
diskdir);
success = 0;
}
projects / debian / amanda / blobdiff