/* GNU dump extensions to tar.
Copyright (C) 1988, 1992, 1993, 1994, 1996, 1997, 1999, 2000, 2001,
- 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+ 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
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, or (at your option) any later
+ Free Software Foundation; either version 3, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
#include <system.h>
-#include <getline.h>
#include <hash.h>
#include <quotearg.h>
#include "common.h"
#define DIR_IS_FOUND(d) ((d)->flags & DIRF_FOUND)
#define DIR_IS_NEW(d) ((d)->flags & DIRF_NEW)
#define DIR_IS_RENAMED(d) ((d)->flags & DIRF_RENAMED)
-
+
#define DIR_SET_FLAG(d,f) (d)->flags |= (f)
#define DIR_CLEAR_FLAG(d,f) (d)->flags &= ~(f)
unsigned flags; /* See DIRF_ macros above */
struct directory *orig; /* If the directory was renamed, points to
the original directory structure */
+ const char *tagfile; /* Tag file, if the directory falls under
+ exclusion_tag_under */
char name[1]; /* file name of directory */
};
directory->orig = NULL;
directory->flags = false;
strcpy (directory->name, name);
- if (ISSLASH (directory->name[namelen-1]))
- directory->name[namelen-1] = 0;
+ if (namelen && ISSLASH (directory->name[namelen - 1]))
+ directory->name[namelen - 1] = 0;
+ directory->tagfile = NULL;
return directory;
}
-
+
/* Create and link a new directory entry for directory NAME, having a
device number DEV and an inode number INO, with NFS indicating
whether it is an NFS device and FOUND indicating whether we have
}
else
directory->contents = NULL;
-
+
if (! ((directory_table
|| (directory_table = hash_initialize (0, 0,
hash_directory_name,
update_parent_directory (const char *name)
{
struct directory *directory;
- char *p, *name_buffer;
+ char *p;
p = dir_name (name);
directory = find_directory (p);
procdir (char *name_buffer, struct stat *stat_data,
dev_t device,
enum children children,
- bool verbose)
+ bool verbose,
+ char *entry)
{
struct directory *directory;
bool nfs = NFS_FILE_STAT (*stat_data);
- struct name *np;
if ((directory = find_directory (name_buffer)) != NULL)
{
if (DIR_IS_INITED (directory))
return directory;
-
+
/* With NFS, the same file can have two different devices
if an NFS directory is mounted in multiple locations,
which is relatively common when automounting.
directories, consider all NFS devices as equal,
relying on the i-node to establish differences. */
- if (! (((DIR_IS_NFS (directory) & nfs)
+ if (! ((!check_device_option
+ || (DIR_IS_NFS (directory) && nfs)
|| directory->device_number == stat_data->st_dev)
&& directory->inode_number == stat_data->st_ino))
{
}
else
directory->children = CHANGED_CHILDREN;
-
+
DIR_SET_FLAG (directory, DIRF_FOUND);
}
else
if (verbose)
WARN ((0, 0, _("%s: Directory is new"),
quotearg_colon (name_buffer)));
- directory->children =
+ directory->children =
(listed_incremental_option
|| (OLDER_STAT_TIME (*stat_data, m)
|| (after_date_option
/* ... except if it was explicitely given in the command line */
&& !is_individual_file (name_buffer))
directory->children = NO_CHILDREN;
- else if (children == ALL_CHILDREN)
+ else if (children == ALL_CHILDREN)
directory->children = ALL_CHILDREN;
DIR_SET_FLAG (directory, DIRF_INIT);
-
+
+ {
+ const char *tag_file_name;
+
+ switch (check_exclusion_tags (name_buffer, &tag_file_name))
+ {
+ case exclusion_tag_all:
+ /* This warning can be duplicated by code in dump_file0, but only
+ in case when the topmost directory being archived contains
+ an exclusion tag. */
+ exclusion_tag_warning (name_buffer, tag_file_name,
+ _("directory not dumped"));
+ if (entry)
+ *entry = 'N';
+ directory->children = NO_CHILDREN;
+ break;
+
+ case exclusion_tag_contents:
+ exclusion_tag_warning (name_buffer, tag_file_name,
+ _("contents not dumped"));
+ directory->children = NO_CHILDREN;
+ break;
+
+ case exclusion_tag_under:
+ exclusion_tag_warning (name_buffer, tag_file_name,
+ _("contents not dumped"));
+ directory->tagfile = tag_file_name;
+ break;
+
+ case exclusion_tag_none:
+ break;
+ }
+ }
+
return directory;
}
while (*dump)
{
/* Ignore 'R' (rename) and 'X' (tempname) entries, since they break
- alphabetical ordering.
+ alphabetical ordering.
They normally do not occur in dumpdirs from the snapshot files,
but this function is also used by purge_directory, which operates
on a dumpdir from the archive, hence the need for this test. */
static int
compare_dirnames (const void *first, const void *second)
{
- return strcmp (*(const char**)first, *(const char**)second);
+ char const *const *name1 = first;
+ char const *const *name2 = second;
+ return strcmp (*name1, *name2);
}
/* Compare dumpdir array from DIRECTORY with directory listing DIR and
DIR must be returned by a previous call to savedir().
File names in DIRECTORY->contents must be sorted
- alphabetically.
+ alphabetically.
DIRECTORY->contents is replaced with the created template. Each entry is
prefixed with ' ' if it was present in DUMP and with 'Y' otherwise. */
const char *loc = dumpdir_locate (dump, array[i]);
if (loc)
{
- *new_dump_ptr++ = ' ';
+ if (directory->tagfile)
+ *new_dump_ptr = strcmp (directory->tagfile, array[i]) == 0 ?
+ ' ' : 'I';
+ else
+ *new_dump_ptr = ' ';
+ new_dump_ptr++;
dump = loc + strlen (loc) + 1;
}
+ else if (directory->tagfile)
+ *new_dump_ptr++ = strcmp (directory->tagfile, array[i]) == 0 ?
+ ' ' : 'I';
else
*new_dump_ptr++ = 'Y'; /* New entry */
/* Recursively scan the given directory. */
static char *
-scan_directory (char *dir_name, dev_t device)
+scan_directory (char *dir, dev_t device)
{
- char *dirp = savedir (dir_name); /* for scanning directory */
+ char *dirp = savedir (dir); /* for scanning directory */
char *name_buffer; /* directory, `/', and directory member */
size_t name_buffer_size; /* allocated size of name_buffer, minus 2 */
size_t name_length; /* used length in name_buffer */
struct stat stat_data;
struct directory *directory;
-
+
if (! dirp)
- savedir_error (dir_name);
+ savedir_error (dir);
- name_buffer_size = strlen (dir_name) + NAME_FIELD_SIZE;
+ name_buffer_size = strlen (dir) + NAME_FIELD_SIZE;
name_buffer = xmalloc (name_buffer_size + 2);
- strcpy (name_buffer, dir_name);
- if (! ISSLASH (dir_name[strlen (dir_name) - 1]))
+ strcpy (name_buffer, dir);
+ if (! ISSLASH (dir[strlen (dir) - 1]))
strcat (name_buffer, "/");
name_length = strlen (name_buffer);
if (deref_stat (dereference_option, name_buffer, &stat_data))
{
stat_diag (name_buffer);
- /* FIXME: used to be
+ /* FIXME: used to be
children = CHANGED_CHILDREN;
but changed to: */
free (name_buffer);
return NULL;
}
- directory = procdir (name_buffer, &stat_data, device, NO_CHILDREN, false);
-
+ directory = procdir (name_buffer, &stat_data, device, NO_CHILDREN, false,
+ NULL);
+
if (dirp && directory->children != NO_CHILDREN)
{
char *entry; /* directory entry being scanned */
name_buffer = xrealloc (name_buffer, name_buffer_size + 2);
}
strcpy (name_buffer + name_length, entry + 1);
-
- if (excluded_name (name_buffer))
+
+ if (*entry == 'I') /* Ignored entry */
+ *entry = 'N';
+ else if (excluded_name (name_buffer))
*entry = 'N';
else
{
*entry = 'N';
continue;
}
-
+
if (S_ISDIR (stat_data.st_mode))
{
+ *entry = 'D';
procdir (name_buffer, &stat_data, device,
directory->children,
- verbose_option);
- *entry = 'D';
+ verbose_option, entry);
}
-
+
else if (one_file_system_option && device != stat_data.st_dev)
*entry = 'N';
else if (*entry == 'Y')
/* New entry, skip further checks */;
-
+
/* FIXME: if (S_ISHIDDEN (stat_data.st_mode))?? */
-
+
else if (OLDER_STAT_TIME (stat_data, m)
&& (!after_date_option
|| OLDER_STAT_TIME (stat_data, c)))
}
}
}
-
+
free (name_buffer);
if (dirp)
free (dirp);
}
char *
-get_directory_contents (char *dir_name, dev_t device)
+get_directory_contents (char *dir, dev_t device)
{
- return scan_directory (dir_name, device);
+ return scan_directory (dir, device);
}
\f
static void
obstack_code_rename (struct obstack *stk, char *from, char *to)
{
+ char *s;
+
+ s = from[0] == 0 ? from :
+ safer_name_suffix (from, false, absolute_names_option);
obstack_1grow (stk, 'R');
- obstack_grow (stk, from, strlen (from) + 1);
+ obstack_grow (stk, s, strlen (s) + 1);
+
+ s = to[0] == 0 ? to:
+ safer_name_suffix (to, false, absolute_names_option);
obstack_1grow (stk, 'T');
- obstack_grow (stk, to, strlen (to) + 1);
+ obstack_grow (stk, s, strlen (s) + 1);
}
static bool
{
struct directory *dir = data;
struct obstack *stk = proc_data;
-
+
if (DIR_IS_RENAMED (dir))
{
struct directory *prev, *p;
- /* Detect eventual cycles and clear DIRF_RENAMED flag, so this entries
+ /* Detect eventual cycles and clear DIRF_RENAMED flag, so these entries
are ignored when hit by this function next time.
If the chain forms a cycle, prev points to the entry DIR is renamed
from. In this case it still retains DIRF_RENAMED flag, which will be
if (directory_table == NULL)
return dump;
-
+
obstack_init (&stk);
if (dump)
{
}
else
size = 0;
-
+
hash_do_for_each (directory_table, rename_handler, &stk);
if (obstack_object_size (&stk) != size)
{
{
int n;
uintmax_t u;
- time_t t = u;
+ time_t sec;
+ long int nsec;
char *buf = 0;
size_t bufsize;
char *ebuf;
buf = strdup (initbuf);
bufsize = strlen (buf) + 1;
}
-
- t = u = (errno = 0, strtoumax (buf, &ebuf, 10));
- if (buf == ebuf || (u == 0 && errno == EINVAL))
- ERROR ((0, 0, "%s:%ld: %s",
+
+ sec = TYPE_MINIMUM (time_t);
+ nsec = -1;
+ errno = 0;
+ u = strtoumax (buf, &ebuf, 10);
+ if (!errno && TYPE_MAXIMUM (time_t) < u)
+ errno = ERANGE;
+ if (errno || buf == ebuf)
+ ERROR ((0, errno, "%s:%ld: %s",
quotearg_colon (listed_incremental_option),
lineno,
_("Invalid time stamp")));
- else if (t != u)
- ERROR ((0, 0, "%s:%ld: %s",
- quotearg_colon (listed_incremental_option),
- lineno,
- _("Time stamp out of range")));
- else if (version == 1)
- {
- newer_mtime_option.tv_sec = t;
-
- t = u = (errno = 0, strtoumax (buf, &ebuf, 10));
- if (buf == ebuf || (u == 0 && errno == EINVAL))
- ERROR ((0, 0, "%s:%ld: %s",
- quotearg_colon (listed_incremental_option),
- lineno,
- _("Invalid time stamp")));
- else if (t != u)
- ERROR ((0, 0, "%s:%ld: %s",
- quotearg_colon (listed_incremental_option),
- lineno,
- _("Time stamp out of range")));
- newer_mtime_option.tv_nsec = t;
- }
else
{
- /* pre-1 incremental format does not contain nanoseconds */
- newer_mtime_option.tv_sec = t;
- newer_mtime_option.tv_nsec = 0;
+ sec = u;
+
+ if (version == 1 && *ebuf)
+ {
+ char const *buf_ns = ebuf + 1;
+ errno = 0;
+ u = strtoumax (buf_ns, &ebuf, 10);
+ if (!errno && BILLION <= u)
+ errno = ERANGE;
+ if (errno || buf_ns == ebuf)
+ {
+ ERROR ((0, errno, "%s:%ld: %s",
+ quotearg_colon (listed_incremental_option),
+ lineno,
+ _("Invalid time stamp")));
+ sec = TYPE_MINIMUM (time_t);
+ }
+ else
+ nsec = u;
+ }
+ else
+ {
+ /* pre-1 incremental format does not contain nanoseconds */
+ nsec = 0;
+ }
}
+ newer_mtime_option.tv_sec = sec;
+ newer_mtime_option.tv_nsec = nsec;
+
while (0 < (n = getline (&buf, &bufsize, listed_incremental_stream)))
{
bool nfs = buf[0] == '+';
char *strp = buf + nfs;
struct timespec mtime;
-
+
lineno++;
-
+
if (buf[n - 1] == '\n')
buf[n - 1] = '\0';
-
+
if (version == 1)
{
errno = 0;
- mtime.tv_sec = u = strtoumax (strp, &ebuf, 10);
- if (!isspace (*ebuf))
- ERROR ((0, 0, "%s:%ld: %s",
- quotearg_colon (listed_incremental_option), lineno,
- _("Invalid modification time (seconds)")));
- else if (mtime.tv_sec != u)
- ERROR ((0, 0, "%s:%ld: %s",
- quotearg_colon (listed_incremental_option), lineno,
- _("Modification time (seconds) out of range")));
+ u = strtoumax (strp, &ebuf, 10);
+ if (!errno && TYPE_MAXIMUM (time_t) < u)
+ errno = ERANGE;
+ if (errno || strp == ebuf || *ebuf != ' ')
+ {
+ ERROR ((0, errno, "%s:%ld: %s",
+ quotearg_colon (listed_incremental_option), lineno,
+ _("Invalid modification time (seconds)")));
+ sec = (time_t) -1;
+ }
+ else
+ sec = u;
strp = ebuf;
-
+
errno = 0;
- mtime.tv_nsec = u = strtoumax (strp, &ebuf, 10);
- if (!isspace (*ebuf))
- ERROR ((0, 0, "%s:%ld: %s",
- quotearg_colon (listed_incremental_option), lineno,
- _("Invalid modification time (nanoseconds)")));
- else if (mtime.tv_nsec != u)
- ERROR ((0, 0, "%s:%ld: %s",
- quotearg_colon (listed_incremental_option), lineno,
- _("Modification time (nanoseconds) out of range")));
+ u = strtoumax (strp, &ebuf, 10);
+ if (!errno && BILLION <= u)
+ errno = ERANGE;
+ if (errno || strp == ebuf || *ebuf != ' ')
+ {
+ ERROR ((0, errno, "%s:%ld: %s",
+ quotearg_colon (listed_incremental_option), lineno,
+ _("Invalid modification time (nanoseconds)")));
+ nsec = -1;
+ }
+ else
+ nsec = u;
+ mtime.tv_sec = sec;
+ mtime.tv_nsec = nsec;
strp = ebuf;
}
else
memset (&mtime, 0, sizeof mtime);
-
+
errno = 0;
- dev = u = strtoumax (strp, &ebuf, 10);
- if (!isspace (*ebuf))
- ERROR ((0, 0, "%s:%ld: %s",
- quotearg_colon (listed_incremental_option), lineno,
- _("Invalid device number")));
- else if (dev != u)
- ERROR ((0, 0, "%s:%ld: %s",
- quotearg_colon (listed_incremental_option), lineno,
- _("Device number out of range")));
+ u = strtoumax (strp, &ebuf, 10);
+ if (!errno && TYPE_MAXIMUM (dev_t) < u)
+ errno = ERANGE;
+ if (errno || strp == ebuf || *ebuf != ' ')
+ {
+ ERROR ((0, errno, "%s:%ld: %s",
+ quotearg_colon (listed_incremental_option), lineno,
+ _("Invalid device number")));
+ dev = (dev_t) -1;
+ }
+ else
+ dev = u;
strp = ebuf;
errno = 0;
- ino = u = strtoumax (strp, &ebuf, 10);
- if (!isspace (*ebuf))
- ERROR ((0, 0, "%s:%ld: %s",
- quotearg_colon (listed_incremental_option), lineno,
- _("Invalid inode number")));
- else if (ino != u)
- ERROR ((0, 0, "%s:%ld: %s",
- quotearg_colon (listed_incremental_option), lineno,
- _("Inode number out of range")));
+ u = strtoumax (strp, &ebuf, 10);
+ if (!errno && TYPE_MAXIMUM (ino_t) < u)
+ errno = ERANGE;
+ if (errno || strp == ebuf || *ebuf != ' ')
+ {
+ ERROR ((0, errno, "%s:%ld: %s",
+ quotearg_colon (listed_incremental_option), lineno,
+ _("Invalid inode number")));
+ ino = (ino_t) -1;
+ }
+ else
+ ino = u;
strp = ebuf;
-
+
strp++;
unquote_string (strp);
note_directory (strp, mtime, dev, ino, nfs, false, NULL);
}
/* Read from file FP a nul-terminated string and convert it to
- uintmax_t. Return the resulting value in PVAL.
+ intmax_t. Return the resulting value in PVAL. Assume '-' has
+ already been read.
+
+ Throw a fatal error if the string cannot be converted or if the
+ converted value is less than MIN_VAL. */
+
+static void
+read_negative_num (FILE *fp, intmax_t min_val, intmax_t *pval)
+{
+ int c;
+ size_t i;
+ char buf[INT_BUFSIZE_BOUND (intmax_t)];
+ char *ep;
+ buf[0] = '-';
+
+ for (i = 1; ISDIGIT (c = getc (fp)); i++)
+ {
+ if (i == sizeof buf - 1)
+ FATAL_ERROR ((0, 0, _("Field too long while reading snapshot file")));
+ buf[i] = c;
+ }
+
+ if (c < 0)
+ {
+ if (ferror (fp))
+ FATAL_ERROR ((0, errno, _("Read error in snapshot file")));
+ else
+ FATAL_ERROR ((0, 0, _("Unexpected EOF in snapshot file")));
+ }
+
+ buf[i] = 0;
+ errno = 0;
+ *pval = strtoimax (buf, &ep, 10);
+ if (c || errno || *pval < min_val)
+ FATAL_ERROR ((0, errno, _("Unexpected field value in snapshot file")));
+}
+
+/* Read from file FP a nul-terminated string and convert it to
+ uintmax_t. Return the resulting value in PVAL. Assume C has
+ already been read.
+
+ Throw a fatal error if the string cannot be converted or if the
+ converted value exceeds MAX_VAL.
- Throw fatal error if the string cannot be converted.
-
Return the last character read or EOF on end of file. */
static int
-read_num (FILE *fp, uintmax_t *pval)
+read_unsigned_num (int c, FILE *fp, uintmax_t max_val, uintmax_t *pval)
{
- int c;
size_t i;
char buf[UINTMAX_STRSIZE_BOUND], *ep;
- for (i = 0, c = getc (fp); c != EOF && c != 0; c = getc (fp), i++)
+ for (i = 0; ISDIGIT (c); i++)
{
if (i == sizeof buf - 1)
FATAL_ERROR ((0, 0, _("Field too long while reading snapshot file")));
buf[i] = c;
+ c = getc (fp);
+ }
+
+ if (c < 0)
+ {
+ if (ferror (fp))
+ FATAL_ERROR ((0, errno, _("Read error in snapshot file")));
+ else if (i == 0)
+ return c;
+ else
+ FATAL_ERROR ((0, 0, _("Unexpected EOF in snapshot file")));
}
+
buf[i] = 0;
+ errno = 0;
*pval = strtoumax (buf, &ep, 10);
- if (*ep)
- FATAL_ERROR ((0, 0, _("Unexpected field value in snapshot file")));
+ if (c || errno || max_val < *pval)
+ FATAL_ERROR ((0, errno, _("Unexpected field value in snapshot file")));
return c;
-}
+}
+
+/* Read from file FP a nul-terminated string and convert it to
+ uintmax_t. Return the resulting value in PVAL.
+
+ Throw a fatal error if the string cannot be converted or if the
+ converted value exceeds MAX_VAL.
+
+ Return the last character read or EOF on end of file. */
+
+static int
+read_num (FILE *fp, uintmax_t max_val, uintmax_t *pval)
+{
+ return read_unsigned_num (getc (fp), fp, max_val, pval);
+}
+
+/* Read from FP two NUL-terminated strings representing a struct
+ timespec. Return the resulting value in PVAL.
+
+ Throw a fatal error if the string cannot be converted. */
+
+static void
+read_timespec (FILE *fp, struct timespec *pval)
+{
+ int c = getc (fp);
+ intmax_t i;
+ uintmax_t u;
+
+ if (c == '-')
+ {
+ read_negative_num (fp, TYPE_MINIMUM (time_t), &i);
+ c = 0;
+ pval->tv_sec = i;
+ }
+ else
+ {
+ c = read_unsigned_num (c, fp, TYPE_MAXIMUM (time_t), &u);
+ pval->tv_sec = u;
+ }
+
+ if (c || read_num (fp, BILLION - 1, &u))
+ FATAL_ERROR ((0, 0, "%s: %s",
+ quotearg_colon (listed_incremental_option),
+ _("Unexpected EOF in snapshot file")));
+ pval->tv_nsec = u;
+}
/* Read incremental snapshot format 2 */
static void
{
uintmax_t u;
struct obstack stk;
-
- obstack_init (&stk);
- if (read_num (listed_incremental_stream, &u))
- FATAL_ERROR ((0, 0, "%s: %s",
- quotearg_colon (listed_incremental_option),
- _("Error reading time stamp")));
- newer_mtime_option.tv_sec = u;
- if (newer_mtime_option.tv_sec != u)
- FATAL_ERROR ((0, 0, "%s: %s",
- quotearg_colon (listed_incremental_option),
- _("Time stamp out of range")));
+ obstack_init (&stk);
- if (read_num (listed_incremental_stream, &u))
- FATAL_ERROR ((0, 0, "%s: %s",
- quotearg_colon (listed_incremental_option),
- _("Error reading time stamp")));
- newer_mtime_option.tv_nsec = u;
- if (newer_mtime_option.tv_nsec != u)
- FATAL_ERROR ((0, 0, "%s: %s",
- quotearg_colon (listed_incremental_option),
- _("Time stamp out of range")));
+ read_timespec (listed_incremental_stream, &newer_mtime_option);
for (;;)
{
char *name;
char *content;
size_t s;
-
- if (read_num (listed_incremental_stream, &u))
+
+ if (read_num (listed_incremental_stream, 1, &u))
return; /* Normal return */
nfs = u;
-
- if (read_num (listed_incremental_stream, &u))
- break;
- mtime.tv_sec = u;
- if (mtime.tv_sec != u)
- FATAL_ERROR ((0, 0, "%s: %s",
- quotearg_colon (listed_incremental_option),
- _("Modification time (seconds) out of range")));
-
- if (read_num (listed_incremental_stream, &u))
- break;
- mtime.tv_nsec = u;
- if (mtime.tv_nsec != u)
- FATAL_ERROR ((0, 0, "%s: %s",
- quotearg_colon (listed_incremental_option),
- _("Modification time (nanoseconds) out of range")));
- if (read_num (listed_incremental_stream, &u))
+ read_timespec (listed_incremental_stream, &mtime);
+
+ if (read_num (listed_incremental_stream, TYPE_MAXIMUM (dev_t), &u))
break;
dev = u;
- if (dev != u)
- FATAL_ERROR ((0, 0, "%s: %s",
- quotearg_colon (listed_incremental_option),
- _("Device number out of range")));
- if (read_num (listed_incremental_stream, &u))
+ if (read_num (listed_incremental_stream, TYPE_MAXIMUM (ino_t), &u))
break;
ino = u;
- if (ino != u)
- FATAL_ERROR ((0, 0, "%s: %s",
- quotearg_colon (listed_incremental_option),
- _("Inode number out of range")));
if (read_obstack (listed_incremental_stream, &stk, &s))
break;
;
if (getc (listed_incremental_stream) != 0)
FATAL_ERROR ((0, 0, "%s: %s",
- quotearg_colon (listed_incremental_option),
+ quotearg_colon (listed_incremental_option),
_("Missing record terminator")));
-
+
content = obstack_finish (&stk);
note_directory (name, mtime, dev, ino, nfs, false, content);
obstack_free (&stk, content);
}
FATAL_ERROR ((0, 0, "%s: %s",
- quotearg_colon (listed_incremental_option),
- _("Unexpected EOF")));
+ quotearg_colon (listed_incremental_option),
+ _("Unexpected EOF in snapshot file")));
}
/* Read incremental snapshot file (directory file).
int fd;
char *buf = 0;
size_t bufsize;
- long lineno = 1;
/* Open the file for both read and write. That way, we can write
it later without having to reopen it, and don't have to worry if
if (0 < getline (&buf, &bufsize, listed_incremental_stream))
{
char *ebuf;
- int incremental_version;
+ uintmax_t incremental_version;
if (strncmp (buf, PACKAGE_NAME, sizeof PACKAGE_NAME - 1) == 0)
{
if (!*ebuf)
ERROR((1, 0, _("Bad incremental file format")));
- incremental_version = (errno = 0, strtoumax (ebuf+1, &ebuf, 10));
+ incremental_version = strtoumax (ebuf + 1, NULL, 10);
}
else
incremental_version = 0;
case TAR_INCREMENTAL_VERSION:
read_incr_db_2 ();
break;
-
+
default:
- ERROR ((1, 0, _("Unsupported incremental format version: %d"),
+ ERROR ((1, 0, _("Unsupported incremental format version: %"PRIuMAX),
incremental_version));
}
-
+
}
if (ferror (listed_incremental_stream))
s = DIR_IS_NFS (directory) ? "1" : "0";
fwrite (s, 2, 1, fp);
- s = umaxtostr (directory->mtime.tv_sec, buf);
+ s = (TYPE_SIGNED (time_t)
+ ? imaxtostr (directory->mtime.tv_sec, buf)
+ : umaxtostr (directory->mtime.tv_sec, buf));
fwrite (s, strlen (s) + 1, 1, fp);
s = umaxtostr (directory->mtime.tv_nsec, buf);
fwrite (s, strlen (s) + 1, 1, fp);
fprintf (fp, "%s-%s-%d\n", PACKAGE_NAME, PACKAGE_VERSION,
TAR_INCREMENTAL_VERSION);
- s = umaxtostr (start_time.tv_sec, buf);
+ s = (TYPE_SIGNED (time_t)
+ ? imaxtostr (start_time.tv_sec, buf)
+ : umaxtostr (start_time.tv_sec, buf));
fwrite (s, strlen (s) + 1, 1, fp);
s = umaxtostr (start_time.tv_nsec, buf);
fwrite (s, strlen (s) + 1, 1, fp);
char *p;
int has_tempdir = 0;
int expect = 0;
-
+
for (p = dumpdir; *p; p += strlen (p) + 1)
{
if (expect && *p != expect)
else
has_tempdir = 1;
break;
-
+
case 'R':
if (p[1] == 0)
{
}
expect = 'T';
break;
-
+
case 'T':
if (expect != 'T')
{
ERROR ((0, 0,
_("Malformed dumpdir: 'T' not preceeded by 'R'")));
return false;
- }
+ }
if (p[1] == 0 && !has_tempdir)
{
ERROR ((0, 0,
}
expect = 0;
break;
-
+
case 'N':
case 'Y':
case 'D':
return true;
}
-
+
/* Examine the directories under directory_name and delete any
files that were not there at the time of the back-up. */
static bool
char *current_dir;
char *cur, *arc, *p;
char *temp_stub = NULL;
-
+
if (!is_dumpdir (¤t_stat_info))
return false;
/* Verify if dump directory is sane */
if (!dumpdir_ok (current_stat_info.dumpdir))
return false;
-
+
/* Process renames */
for (arc = current_stat_info.dumpdir; *arc; arc += strlen (arc) + 1)
{
if (*arc == 'X')
{
-#define TEMP_DIR_TEMPLATE "tar.XXXXXX"
+#define TEMP_DIR_TEMPLATE "tar.XXXXXX"
size_t len = strlen (arc + 1);
temp_stub = xrealloc (temp_stub, len + 1 + sizeof TEMP_DIR_TEMPLATE);
memcpy (temp_stub, arc + 1, len);
arc += strlen (arc) + 1;
dst = arc + 1;
+ /* Ensure that neither source nor destination are absolute file
+ names (unless permitted by -P option), and that they do not
+ contain dubious parts (e.g. ../).
+
+ This is an extra safety precaution. Besides, it might be
+ necessary to extract from archives created with tar versions
+ prior to 1.19. */
+
+ if (*src)
+ src = safer_name_suffix (src, false, absolute_names_option);
+ if (*dst)
+ dst = safer_name_suffix (dst, false, absolute_names_option);
+
if (*src == 0)
src = temp_stub;
else if (*dst == 0)
dst = temp_stub;
-
+
if (!rename_directory (src, dst))
{
free (temp_stub);
}
free (temp_stub);
-
+
/* Process deletes */
p = NULL;
for (cur = current_dir; *cur; cur += strlen (cur) + 1)
free (p);
p = new_name (directory_name, cur);
- if (!(entry = dumpdir_locate (current_stat_info.dumpdir, cur))
- || (*entry == 'D' && S_ISDIR (st.st_mode))
- || (*entry == 'Y' && !S_ISDIR (st.st_mode)))
+ if (deref_stat (false, p, &st))
{
- if (deref_stat (false, p, &st))
+ if (errno != ENOENT) /* FIXME: Maybe keep a list of renamed
+ dirs and check it here? */
{
- if (errno != ENOENT) /* FIXME: Maybe keep a list of renamed
- dirs and check it here? */
- {
- stat_diag (p);
- WARN ((0, 0, _("%s: Not purging directory: unable to stat"),
- quotearg_colon (p)));
- }
- continue;
+ stat_diag (p);
+ WARN ((0, 0, _("%s: Not purging directory: unable to stat"),
+ quotearg_colon (p)));
}
- else if (one_file_system_option && st.st_dev != root_device)
+ continue;
+ }
+
+ if (!(entry = dumpdir_locate (current_stat_info.dumpdir, cur))
+ || (*entry == 'D' && !S_ISDIR (st.st_mode))
+ || (*entry == 'Y' && S_ISDIR (st.st_mode)))
+ {
+ if (one_file_system_option && st.st_dev != root_device)
{
WARN ((0, 0,
_("%s: directory is on a different device: not purging"),
}
}
free (p);
-
+
free (current_dir);
return true;
}
if (!try_purge_directory (directory_name))
skip_member ();
}
-
+
void
list_dumpdir (char *buffer, size_t size)
{
+ int state = 0;
while (size)
{
switch (*buffer)
case 'R':
case 'T':
case 'X':
- fprintf (stdlis, "%c ", *buffer);
+ fprintf (stdlis, "%c", *buffer);
+ if (state == 0)
+ {
+ fprintf (stdlis, " ");
+ state = 1;
+ }
buffer++;
size--;
break;
fputc ('\n', stdlis);
buffer++;
size--;
+ state = 0;
break;
default:
projects / chaz / tar / blobdiff