/* POSIX extended headers for tar.
- Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2004, 2005, 2006, 2007, 2009, 2010, 2012
+ 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
#include <hash.h>
#include <inttostr.h>
#include <quotearg.h>
-#include <stpcpy.h>
#include "common.h"
-#include <fnmatch.h>
-
+static void xheader_init (struct xheader *xhdr);
static bool xheader_protected_pattern_p (char const *pattern);
static bool xheader_protected_keyword_p (char const *keyword);
static void xheader_set_single_keyword (char *) __attribute__ ((noreturn));
/* Used by xheader_finish() */
static void code_string (char const *string, char const *keyword,
struct xheader *xhdr);
-static void extended_header_init (void);
/* Number of global headers written so far. */
static size_t global_header_count;
/* List of keyword patterns set by delete= option */
static struct keyword_list *keyword_pattern_list;
-/* List of keyword/value pairs set by `keyword=value' option */
+/* List of keyword/value pairs set by 'keyword=value' option */
static struct keyword_list *keyword_global_override_list;
-/* List of keyword/value pairs set by `keyword:=value' option */
+/* List of keyword/value pairs set by 'keyword:=value' option */
static struct keyword_list *keyword_override_list;
/* List of keyword/value pairs decoded from the last 'g' type header */
/* Template for the name field of an 'x' type header */
static char *exthdr_name;
+static char *exthdr_mtime_option;
+static time_t exthdr_mtime;
+
/* Template for the name field of a 'g' type header */
static char *globexthdr_name;
+static char *globexthdr_mtime_option;
+static time_t globexthdr_mtime;
+
bool
xheader_keyword_deleted_p (const char *kw)
{
static void
xheader_set_single_keyword (char *kw)
{
- USAGE_ERROR ((0, 0, _("Keyword %s is unknown or not yet imlemented"), kw));
+ USAGE_ERROR ((0, 0, _("Keyword %s is unknown or not yet implemented"), kw));
+}
+
+static void
+assign_time_option (char **sval, time_t *tval, const char *input)
+{
+ uintmax_t u;
+ char *p;
+ time_t t = u = strtoumax (input, &p, 10);
+ if (t != u || *p || errno == ERANGE)
+ ERROR ((0, 0, _("Time stamp is out of allowed range")));
+ else
+ {
+ *tval = t;
+ assign_string (sval, input);
+ }
}
static void
global = false;
}
- while (p > kw && isspace (*p))
+ while (p > kw && isspace ((unsigned char) *p))
p--;
*p = 0;
- for (p = eq + 1; *p && isspace (*p); p++)
+ for (p = eq + 1; *p && isspace ((unsigned char) *p); p++)
;
if (strcmp (kw, "delete") == 0)
assign_string (&exthdr_name, p);
else if (strcmp (kw, "globexthdr.name") == 0)
assign_string (&globexthdr_name, p);
+ else if (strcmp (kw, "exthdr.mtime") == 0)
+ assign_time_option (&exthdr_mtime_option, &exthdr_mtime, p);
+ else if (strcmp (kw, "globexthdr.mtime") == 0)
+ assign_time_option (&globexthdr_mtime_option, &globexthdr_mtime, p);
else
{
if (xheader_protected_keyword_p (kw))
to the result of the basename
utility on the translated file name.
%p The process ID of the pax process.
+ %n The value of the 3rd argument.
%% A '%' character. */
-static char *
-xheader_format_name (struct tar_stat_info *st, const char *fmt, bool allow_n)
+char *
+xheader_format_name (struct tar_stat_info *st, const char *fmt, size_t n)
{
char *buf;
size_t len = strlen (fmt);
char *q;
const char *p;
+ char *dirp = NULL;
char *dir = NULL;
char *base = NULL;
char pidbuf[UINTMAX_STRSIZE_BOUND];
case 'd':
if (st)
{
- dir = safer_name_suffix (dir_name (st->orig_file_name),
- false, absolute_names_option);
- len += strlen (dir) - 1;
+ if (!dirp)
+ dirp = dir_name (st->orig_file_name);
+ dir = safer_name_suffix (dirp, false, absolute_names_option);
+ len += strlen (dir) - 2;
}
break;
case 'f':
if (st)
{
- base = base_name (st->orig_file_name);
- len += strlen (base) - 1;
+ base = last_component (st->orig_file_name);
+ len += strlen (base) - 2;
}
break;
case 'p':
pptr = umaxtostr (getpid (), pidbuf);
- len += pidbuf + sizeof pidbuf - 1 - pptr - 1;
+ len += pidbuf + sizeof pidbuf - 1 - pptr - 2;
break;
case 'n':
- if (allow_n)
- {
- nptr = umaxtostr (global_header_count + 1, nbuf);
- len += nbuf + sizeof nbuf - 1 - nptr - 1;
- }
+ nptr = umaxtostr (n, nbuf);
+ len += nbuf + sizeof nbuf - 1 - nptr - 2;
break;
}
p++;
{
q = stpcpy (q, nptr);
p += 2;
+ break;
}
/* else fall through */
*q++ = *p++;
}
+ free (dirp);
+
/* Do not allow it to end in a slash */
while (q > buf && ISSLASH (q[-1]))
q--;
{
if (!exthdr_name)
assign_string (&exthdr_name, "%d/PaxHeaders.%p/%f");
- return xheader_format_name (st, exthdr_name, false);
+ return xheader_format_name (st, exthdr_name, 0);
}
#define GLOBAL_HEADER_TEMPLATE "/GlobalHead.%p.%n"
strcat(globexthdr_name, GLOBAL_HEADER_TEMPLATE);
}
- return xheader_format_name (NULL, globexthdr_name, true);
+ return xheader_format_name (NULL, globexthdr_name, global_header_count + 1);
}
void
-xheader_write (char type, char *name, struct xheader *xhdr)
+xheader_write (char type, char *name, time_t t, struct xheader *xhdr)
{
union block *header;
size_t size;
char *p;
size = xhdr->size;
- header = start_private_header (name, size);
+ switch (type)
+ {
+ case XGLTYPE:
+ if (globexthdr_mtime_option)
+ t = globexthdr_mtime;
+ break;
+
+ case XHDTYPE:
+ if (exthdr_mtime_option)
+ t = exthdr_mtime;
+ break;
+ }
+ header = start_private_header (name, size, t);
header->header.typeflag = type;
simple_finish_header (header);
}
while (size > 0);
xheader_destroy (xhdr);
+
+ if (type == XGLTYPE)
+ global_header_count++;
}
void
-xheader_write_global (void)
+xheader_write_global (struct xheader *xhdr)
{
- char *name;
- struct keyword_list *kp;
+ if (keyword_global_override_list)
+ {
+ struct keyword_list *kp;
- if (!keyword_global_override_list)
- return;
+ xheader_init (xhdr);
+ for (kp = keyword_global_override_list; kp; kp = kp->next)
+ code_string (kp->value, kp->pattern, xhdr);
+ }
+ if (xhdr->stk)
+ {
+ char *name;
+
+ xheader_finish (xhdr);
+ xheader_write (XGLTYPE, name = xheader_ghdr_name (), time (NULL), xhdr);
+ free (name);
+ }
+}
+
+void xheader_xattr_init (struct tar_stat_info *st)
+{
+ st->xattr_map = NULL;
+ st->xattr_map_size = 0;
+
+ st->acls_a_ptr = NULL;
+ st->acls_a_len = 0;
+ st->acls_d_ptr = NULL;
+ st->acls_d_len = 0;
+}
+
+void xheader_xattr_free (struct xattr_array *xattr_map, size_t xattr_map_size)
+{
+ size_t scan = 0;
+
+ while (scan < xattr_map_size)
+ {
+ free (xattr_map[scan].xkey);
+ free (xattr_map[scan].xval_ptr);
+
+ ++scan;
+ }
+ free (xattr_map);
+}
+
+static void xheader_xattr__add (struct xattr_array **xattr_map,
+ size_t *xattr_map_size,
+ const char *key, const char *val, size_t len)
+{
+ size_t pos = (*xattr_map_size)++;
+
+ *xattr_map = xrealloc (*xattr_map,
+ *xattr_map_size * sizeof(struct xattr_array));
+ (*xattr_map)[pos].xkey = xstrdup (key);
+ (*xattr_map)[pos].xval_ptr = xmemdup (val, len + 1);
+ (*xattr_map)[pos].xval_len = len;
+}
+
+void xheader_xattr_add(struct tar_stat_info *st,
+ const char *key, const char *val, size_t len)
+{
+ size_t klen = strlen (key);
+ char *xkey = xmalloc (strlen("SCHILY.xattr.") + klen + 1);
+ char *tmp = xkey;
+
+ tmp = stpcpy (tmp, "SCHILY.xattr.");
+ stpcpy (tmp, key);
+
+ xheader_xattr__add (&st->xattr_map, &st->xattr_map_size, xkey, val, len);
- extended_header_init ();
- for (kp = keyword_global_override_list; kp; kp = kp->next)
- code_string (kp->value, kp->pattern, &extended_header);
- xheader_finish (&extended_header);
- xheader_write (XGLTYPE, name = xheader_ghdr_name (),
- &extended_header);
- free (name);
- global_header_count++;
+ free (xkey);
+}
+
+void xheader_xattr_copy(const struct tar_stat_info *st,
+ struct xattr_array **xattr_map, size_t *xattr_map_size)
+{
+ size_t scan = 0;
+
+ *xattr_map = NULL;
+ *xattr_map_size = 0;
+
+ while (scan < st->xattr_map_size)
+ {
+ char *key = st->xattr_map[scan].xkey;
+ char *val = st->xattr_map[scan].xval_ptr;
+ size_t len = st->xattr_map[scan].xval_len;
+
+ xheader_xattr__add(xattr_map, xattr_map_size, key, val, len);
+
+ ++scan;
+ }
}
\f
/* General Interface */
+#define XHDR_PROTECTED 0x01
+#define XHDR_GLOBAL 0x02
+
struct xhdr_tab
{
char const *keyword;
void (*coder) (struct tar_stat_info const *, char const *,
struct xheader *, void const *data);
- void (*decoder) (struct tar_stat_info *, char const *, size_t);
- bool protect;
+ void (*decoder) (struct tar_stat_info *, char const *, char const *, size_t);
+ int flags;
+ bool prefix; /* select handler comparing prefix only */
};
/* This declaration must be extern, because ISO C99 section 6.9.2
struct xhdr_tab const *p;
for (p = xhdr_tab; p->keyword; p++)
- if (strcmp (p->keyword, keyword) == 0)
- return p;
+ if (p->prefix)
+ {
+ if (strncmp (p->keyword, keyword, strlen(p->keyword)) == 0)
+ return p;
+ }
+ else
+ {
+ if (strcmp (p->keyword, keyword) == 0)
+ return p;
+ }
+
return NULL;
}
struct xhdr_tab const *p;
for (p = xhdr_tab; p->keyword; p++)
- if (p->protect && fnmatch (pattern, p->keyword, 0) == 0)
+ if (!p->prefix && (p->flags & XHDR_PROTECTED)
+ && fnmatch (pattern, p->keyword, 0) == 0)
return true;
return false;
}
struct xhdr_tab const *p;
for (p = xhdr_tab; p->keyword; p++)
- if (p->protect && strcmp (p->keyword, keyword) == 0)
+ if (!p->prefix && (p->flags & XHDR_PROTECTED)
+ && strcmp (p->keyword, keyword) == 0)
return true;
return false;
}
/* Decode a single extended header record, advancing *PTR to the next record.
Return true on success, false otherwise. */
static bool
-decode_record (char **ptr,
+decode_record (struct xheader *xhdr,
+ char **ptr,
void (*handler) (void *, char const *, char const *, size_t),
void *data)
{
char *start = *ptr;
char *p = start;
- unsigned long int len;
+ uintmax_t u;
+ size_t len;
char *len_lim;
char const *keyword;
char *nextp;
- size_t len_max = extended_header.buffer + extended_header.size - start;
+ size_t len_max = xhdr->buffer + xhdr->size - start;
while (*p == ' ' || *p == '\t')
p++;
}
errno = 0;
- len = strtoul (p, &len_lim, 10);
+ len = u = strtoumax (p, &len_lim, 10);
+ if (len != u || errno == ERANGE)
+ {
+ ERROR ((0, 0, _("Extended header length is out of allowed range")));
+ return false;
+ }
if (len_max < len)
{
{
struct xhdr_tab const *t = locate_handler (kp->pattern);
if (t)
- t->decoder (st, kp->value, strlen (kp->value));
+ t->decoder (st, t->keyword, kp->value, strlen (kp->value));
}
}
t = locate_handler (keyword);
if (t)
- t->decoder (st, value, size);
+ t->decoder (st, keyword, value, size);
else
- ERROR((0, 0, _("Ignoring unknown extended header keyword `%s'"),
- keyword));
+ WARNOPT (WARN_UNKNOWN_KEYWORD,
+ (0, 0, _("Ignoring unknown extended header keyword '%s'"),
+ keyword));
}
void
run_override_list (keyword_global_override_list, st);
run_override_list (global_header_override_list, st);
- if (extended_header.size)
+ if (st->xhdr.size)
{
- char *p = extended_header.buffer + BLOCKSIZE;
- while (decode_record (&p, decx, st))
+ char *p = st->xhdr.buffer + BLOCKSIZE;
+ while (decode_record (&st->xhdr, &p, decx, st))
continue;
}
run_override_list (keyword_override_list, st);
size_t size __attribute__((unused)))
{
struct keyword_list **kwl = data;
- xheader_list_append (kwl, keyword, value);
+ struct xhdr_tab const *tab = locate_handler (keyword);
+ if (tab && (tab->flags & XHDR_GLOBAL))
+ tab->decoder (data, keyword, value, size);
+ else
+ xheader_list_append (kwl, keyword, value);
}
void
-xheader_decode_global (void)
+xheader_decode_global (struct xheader *xhdr)
{
- if (extended_header.size)
+ if (xhdr->size)
{
- char *p = extended_header.buffer + BLOCKSIZE;
+ char *p = xhdr->buffer + BLOCKSIZE;
xheader_list_destroy (&global_header_override_list);
- while (decode_record (&p, decg, &global_header_override_list))
+ while (decode_record (xhdr, &p, decg, &global_header_override_list))
continue;
}
}
static void
-extended_header_init (void)
+xheader_init (struct xheader *xhdr)
{
- if (!extended_header.stk)
+ if (!xhdr->stk)
{
- extended_header.stk = xmalloc (sizeof *extended_header.stk);
- obstack_init (extended_header.stk);
+ xhdr->stk = xmalloc (sizeof *xhdr->stk);
+ obstack_init (xhdr->stk);
}
}
void
-xheader_store (char const *keyword, struct tar_stat_info const *st,
+xheader_store (char const *keyword, struct tar_stat_info *st,
void const *data)
{
struct xhdr_tab const *t;
- if (extended_header.buffer)
+ if (st->xhdr.buffer)
return;
t = locate_handler (keyword);
if (!t || !t->coder)
if (xheader_keyword_deleted_p (keyword)
|| xheader_keyword_override_p (keyword))
return;
- extended_header_init ();
- t->coder (st, keyword, &extended_header, data);
+ xheader_init (&st->xhdr);
+ t->coder (st, keyword, &st->xhdr, data);
}
void
-xheader_read (union block *p, size_t size)
+xheader_read (struct xheader *xhdr, union block *p, size_t size)
{
size_t j = 0;
- size_t nblocks;
- free (extended_header.buffer);
size += BLOCKSIZE;
- extended_header.size = size;
- nblocks = (size + BLOCKSIZE - 1) / BLOCKSIZE;
- extended_header.buffer = xmalloc (size + 1);
- extended_header.buffer[size] = '\0';
+ xhdr->size = size;
+ xhdr->buffer = xmalloc (size + 1);
+ xhdr->buffer[size] = '\0';
do
{
if (len > BLOCKSIZE)
len = BLOCKSIZE;
- memcpy (&extended_header.buffer[j], p->buffer, len);
+ if (!p)
+ FATAL_ERROR ((0, 0, _("Unexpected EOF in archive")));
+
+ memcpy (&xhdr->buffer[j], p->buffer, len);
set_next_block_after (p);
p = find_next_block ();
\f
/* Buildable strings */
-static uintmax_t string_length;
void
-xheader_string_begin ()
+xheader_string_begin (struct xheader *xhdr)
{
- string_length = 0;
+ xhdr->string_length = 0;
}
void
-xheader_string_add (char const *s)
+xheader_string_add (struct xheader *xhdr, char const *s)
{
- if (extended_header.buffer)
+ if (xhdr->buffer)
return;
- extended_header_init ();
- string_length += strlen (s);
- x_obstack_grow (&extended_header, s, strlen (s));
+ xheader_init (xhdr);
+ xhdr->string_length += strlen (s);
+ x_obstack_grow (xhdr, s, strlen (s));
}
-void
-xheader_string_end (char const *keyword)
+bool
+xheader_string_end (struct xheader *xhdr, char const *keyword)
{
- size_t len;
- size_t p;
- size_t n = 0;
+ uintmax_t len;
+ uintmax_t p;
+ uintmax_t n = 0;
+ size_t size;
char nbuf[UINTMAX_STRSIZE_BOUND];
char const *np;
char *cp;
- if (extended_header.buffer)
- return;
- extended_header_init ();
+ if (xhdr->buffer)
+ return false;
+ xheader_init (xhdr);
- len = strlen (keyword) + string_length + 3; /* ' ' + '=' + '\n' */
+ len = strlen (keyword) + xhdr->string_length + 3; /* ' ' + '=' + '\n' */
do
{
while (n != p);
p = strlen (keyword) + n + 2;
- x_obstack_blank (&extended_header, p);
- x_obstack_1grow (&extended_header, '\n');
- cp = obstack_next_free (extended_header.stk) - string_length - p - 1;
- memmove (cp + p, cp, string_length);
+ size = p;
+ if (size != p)
+ {
+ ERROR ((0, 0,
+ _("Generated keyword/value pair is too long (keyword=%s, length=%s)"),
+ keyword, nbuf));
+ obstack_free (xhdr->stk, obstack_finish (xhdr->stk));
+ return false;
+ }
+ x_obstack_blank (xhdr, p);
+ x_obstack_1grow (xhdr, '\n');
+ cp = obstack_next_free (xhdr->stk) - xhdr->string_length - p - 1;
+ memmove (cp + p, cp, xhdr->string_length);
cp = stpcpy (cp, np);
*cp++ = ' ';
cp = stpcpy (cp, keyword);
*cp++ = '=';
+ return true;
}
\f
xheader_print (xhdr, keyword, code_timespec (t, buf));
}
-static bool
-decode_time (struct timespec *ts, char const *arg, char const *keyword)
+enum decode_time_status
+ {
+ decode_time_success,
+ decode_time_range,
+ decode_time_bad_header
+ };
+
+static enum decode_time_status
+_decode_time (struct timespec *ts, char const *arg, char const *keyword)
{
time_t s;
unsigned long int ns = 0;
{
intmax_t i = strtoimax (arg, &arg_lim, 10);
if (TYPE_SIGNED (time_t) ? i < TYPE_MINIMUM (time_t) : i < 0)
- goto out_of_range;
+ return decode_time_range;
s = i;
}
else
{
uintmax_t i = strtoumax (arg, &arg_lim, 10);
if (TYPE_MAXIMUM (time_t) < i)
- goto out_of_range;
+ return decode_time_range;
s = i;
}
p = arg_lim;
if (errno == ERANGE)
- goto out_of_range;
+ return decode_time_range;
if (*p == '.')
{
if (ns != 0)
{
if (s == TYPE_MINIMUM (time_t))
- goto out_of_range;
+ return decode_time_range;
s--;
ns = BILLION - ns;
}
{
ts->tv_sec = s;
ts->tv_nsec = ns;
- return true;
+ return decode_time_success;
}
}
- ERROR ((0, 0, _("Malformed extended header: invalid %s=%s"),
- keyword, arg));
- return false;
+ return decode_time_bad_header;
+}
- out_of_range:
- out_of_range_header (keyword, arg, - (uintmax_t) TYPE_MINIMUM (time_t),
- TYPE_MAXIMUM (time_t));
- return false;
+static bool
+decode_time (struct timespec *ts, char const *arg, char const *keyword)
+{
+ switch (_decode_time (ts, arg, keyword))
+ {
+ case decode_time_success:
+ return true;
+ case decode_time_bad_header:
+ ERROR ((0, 0, _("Malformed extended header: invalid %s=%s"),
+ keyword, arg));
+ return false;
+ case decode_time_range:
+ out_of_range_header (keyword, arg, - (uintmax_t) TYPE_MINIMUM (time_t),
+ TYPE_MAXIMUM (time_t));
+ return false;
+ }
+ return true;
}
+
+
static void
code_num (uintmax_t value, char const *keyword, struct xheader *xhdr)
{
static void
dummy_decoder (struct tar_stat_info *st __attribute__ ((unused)),
+ char const *keyword __attribute__ ((unused)),
char const *arg __attribute__ ((unused)),
size_t size __attribute__((unused)))
{
}
static void
-atime_decoder (struct tar_stat_info *st, char const *arg,
+atime_decoder (struct tar_stat_info *st,
+ char const *keyword,
+ char const *arg,
size_t size __attribute__((unused)))
{
struct timespec ts;
- if (decode_time (&ts, arg, "atime"))
+ if (decode_time (&ts, arg, keyword))
st->atime = ts;
}
}
static void
-gid_decoder (struct tar_stat_info *st, char const *arg,
+gid_decoder (struct tar_stat_info *st,
+ char const *keyword,
+ char const *arg,
size_t size __attribute__((unused)))
{
uintmax_t u;
- if (decode_num (&u, arg, TYPE_MAXIMUM (gid_t), "gid"))
+ if (decode_num (&u, arg, TYPE_MAXIMUM (gid_t), keyword))
st->stat.st_gid = u;
}
}
static void
-gname_decoder (struct tar_stat_info *st, char const *arg,
+gname_decoder (struct tar_stat_info *st,
+ char const *keyword __attribute__((unused)),
+ char const *arg,
size_t size __attribute__((unused)))
{
decode_string (&st->gname, arg);
}
static void
-linkpath_decoder (struct tar_stat_info *st, char const *arg,
+linkpath_decoder (struct tar_stat_info *st,
+ char const *keyword __attribute__((unused)),
+ char const *arg,
size_t size __attribute__((unused)))
{
decode_string (&st->link_name, arg);
}
static void
-ctime_decoder (struct tar_stat_info *st, char const *arg,
+ctime_decoder (struct tar_stat_info *st,
+ char const *keyword,
+ char const *arg,
size_t size __attribute__((unused)))
{
struct timespec ts;
- if (decode_time (&ts, arg, "ctime"))
+ if (decode_time (&ts, arg, keyword))
st->ctime = ts;
}
static void
mtime_coder (struct tar_stat_info const *st, char const *keyword,
- struct xheader *xhdr, void const *data __attribute__ ((unused)))
+ struct xheader *xhdr, void const *data)
{
- code_time (st->mtime, keyword, xhdr);
+ struct timespec const *mtime = data;
+ code_time (mtime ? *mtime : st->mtime, keyword, xhdr);
}
static void
-mtime_decoder (struct tar_stat_info *st, char const *arg,
+mtime_decoder (struct tar_stat_info *st,
+ char const *keyword,
+ char const *arg,
size_t size __attribute__((unused)))
{
struct timespec ts;
- if (decode_time (&ts, arg, "mtime"))
+ if (decode_time (&ts, arg, keyword))
st->mtime = ts;
}
}
static void
-path_decoder (struct tar_stat_info *st, char const *arg,
+path_decoder (struct tar_stat_info *st,
+ char const *keyword __attribute__((unused)),
+ char const *arg,
size_t size __attribute__((unused)))
{
decode_string (&st->orig_file_name, arg);
}
static void
-size_decoder (struct tar_stat_info *st, char const *arg,
+size_decoder (struct tar_stat_info *st,
+ char const *keyword,
+ char const *arg,
size_t size __attribute__((unused)))
{
uintmax_t u;
- if (decode_num (&u, arg, TYPE_MAXIMUM (off_t), "size"))
+ if (decode_num (&u, arg, TYPE_MAXIMUM (off_t), keyword))
st->stat.st_size = u;
}
}
static void
-uid_decoder (struct tar_stat_info *st, char const *arg,
+uid_decoder (struct tar_stat_info *st,
+ char const *keyword,
+ char const *arg,
size_t size __attribute__((unused)))
{
uintmax_t u;
- if (decode_num (&u, arg, TYPE_MAXIMUM (uid_t), "uid"))
+ if (decode_num (&u, arg, TYPE_MAXIMUM (uid_t), keyword))
st->stat.st_uid = u;
}
}
static void
-uname_decoder (struct tar_stat_info *st, char const *arg,
+uname_decoder (struct tar_stat_info *st,
+ char const *keyword __attribute__((unused)),
+ char const *arg,
size_t size __attribute__((unused)))
{
decode_string (&st->uname, arg);
}
static void
-sparse_size_decoder (struct tar_stat_info *st, char const *arg,
+sparse_size_decoder (struct tar_stat_info *st,
+ char const *keyword,
+ char const *arg,
size_t size __attribute__((unused)))
{
uintmax_t u;
- if (decode_num (&u, arg, TYPE_MAXIMUM (off_t), "GNU.sparse.size"))
+ if (decode_num (&u, arg, TYPE_MAXIMUM (off_t), keyword))
st->stat.st_size = u;
}
}
static void
-sparse_numblocks_decoder (struct tar_stat_info *st, char const *arg,
+sparse_numblocks_decoder (struct tar_stat_info *st,
+ char const *keyword,
+ char const *arg,
size_t size __attribute__((unused)))
{
uintmax_t u;
- if (decode_num (&u, arg, SIZE_MAX, "GNU.sparse.numblocks"))
+ if (decode_num (&u, arg, SIZE_MAX, keyword))
{
st->sparse_map_size = u;
st->sparse_map = xcalloc (u, sizeof st->sparse_map[0]);
}
static void
-sparse_offset_decoder (struct tar_stat_info *st, char const *arg,
+sparse_offset_decoder (struct tar_stat_info *st,
+ char const *keyword,
+ char const *arg,
size_t size __attribute__((unused)))
{
uintmax_t u;
- if (decode_num (&u, arg, TYPE_MAXIMUM (off_t), "GNU.sparse.offset"))
+ if (decode_num (&u, arg, TYPE_MAXIMUM (off_t), keyword))
{
if (st->sparse_map_avail < st->sparse_map_size)
st->sparse_map[st->sparse_map_avail].offset = u;
}
static void
-sparse_numbytes_decoder (struct tar_stat_info *st, char const *arg,
+sparse_numbytes_decoder (struct tar_stat_info *st,
+ char const *keyword,
+ char const *arg,
size_t size __attribute__((unused)))
{
uintmax_t u;
- if (decode_num (&u, arg, SIZE_MAX, "GNU.sparse.numbytes"))
+ if (decode_num (&u, arg, TYPE_MAXIMUM (off_t), keyword))
{
if (st->sparse_map_avail < st->sparse_map_size)
st->sparse_map[st->sparse_map_avail++].numbytes = u;
else
ERROR ((0, 0, _("Malformed extended header: excess %s=%s"),
- "GNU.sparse.numbytes", arg));
+ keyword, arg));
}
}
static void
-sparse_map_decoder (struct tar_stat_info *st, char const *arg,
+sparse_map_decoder (struct tar_stat_info *st,
+ char const *keyword,
+ char const *arg,
size_t size __attribute__((unused)))
{
int offset = 1;
- static char *keyword = "GNU.sparse.map";
st->sparse_map_avail = 0;
while (1)
e.numbytes = u;
if (!(u == e.numbytes && errno != ERANGE))
{
- out_of_range_header (keyword, arg, 0, TYPE_MAXIMUM (size_t));
+ out_of_range_header (keyword, arg, 0, TYPE_MAXIMUM (off_t));
return;
}
if (st->sparse_map_avail < st->sparse_map_size)
else
{
ERROR ((0, 0, _("Malformed extended header: excess %s=%s"),
- "GNU.sparse.numbytes", arg));
+ keyword, arg));
return;
}
}
}
static void
-dumpdir_decoder (struct tar_stat_info *st, char const *arg,
+dumpdir_decoder (struct tar_stat_info *st,
+ char const *keyword __attribute__((unused)),
+ char const *arg,
size_t size)
{
st->dumpdir = xmalloc (size);
}
static void
-volume_label_decoder (struct tar_stat_info *st, char const *arg, size_t size)
+volume_label_decoder (struct tar_stat_info *st,
+ char const *keyword __attribute__((unused)),
+ char const *arg,
+ size_t size __attribute__((unused)))
{
decode_string (&volume_label, arg);
}
volume_size_coder (struct tar_stat_info const *st, char const *keyword,
struct xheader *xhdr, void const *data)
{
- off_t v = *(off_t*)data;
- code_num (v, keyword, xhdr);
+ off_t const *v = data;
+ code_num (*v, keyword, xhdr);
}
static void
-volume_size_decoder (struct tar_stat_info *st, char const *arg, size_t size)
+volume_size_decoder (struct tar_stat_info *st,
+ char const *keyword,
+ char const *arg, size_t size)
{
uintmax_t u;
- if (decode_num (&u, arg, TYPE_MAXIMUM (uintmax_t), "GNU.volume.size"))
+ if (decode_num (&u, arg, TYPE_MAXIMUM (uintmax_t), keyword))
continued_file_size = u;
}
volume_offset_coder (struct tar_stat_info const *st, char const *keyword,
struct xheader *xhdr, void const *data)
{
- off_t v = *(off_t*)data;
- code_num (v, keyword, xhdr);
+ off_t const *v = data;
+ code_num (*v, keyword, xhdr);
}
static void
-volume_offset_decoder (struct tar_stat_info *st, char const *arg, size_t size)
+volume_offset_decoder (struct tar_stat_info *st,
+ char const *keyword,
+ char const *arg, size_t size)
{
uintmax_t u;
- if (decode_num (&u, arg, TYPE_MAXIMUM (uintmax_t), "GNU.volume.offset"))
+ if (decode_num (&u, arg, TYPE_MAXIMUM (uintmax_t), keyword))
continued_file_offset = u;
}
static void
-volume_filename_decoder (struct tar_stat_info *st, char const *arg,
- size_t size)
+volume_filename_decoder (struct tar_stat_info *st,
+ char const *keyword __attribute__((unused)),
+ char const *arg,
+ size_t size __attribute__((unused)))
{
decode_string (&continued_file_name, arg);
}
-
+
+static void
+xattr_acls_a_coder (struct tar_stat_info const *st , char const *keyword,
+ struct xheader *xhdr, void const *data)
+{
+ xheader_print_n (xhdr, keyword, st->acls_a_ptr, st->acls_a_len);
+}
+
+static void
+xattr_acls_a_decoder (struct tar_stat_info *st,
+ char const *keyword, char const *arg, size_t size)
+{
+ st->acls_a_ptr = xmemdup (arg, size + 1);
+ st->acls_a_len = size;
+}
+
+static void
+xattr_acls_d_coder (struct tar_stat_info const *st , char const *keyword,
+ struct xheader *xhdr, void const *data)
+{
+ xheader_print_n (xhdr, keyword, st->acls_d_ptr, st->acls_d_len);
+}
+
+static void
+xattr_acls_d_decoder (struct tar_stat_info *st,
+ char const *keyword, char const *arg, size_t size)
+{
+ st->acls_d_ptr = xmemdup (arg, size + 1);
+ st->acls_d_len = size;
+}
+
+static void
+xattr_coder (struct tar_stat_info const *st, char const *keyword,
+ struct xheader *xhdr, void const *data)
+{
+ struct xattr_array *xattr_map = st->xattr_map;
+ const size_t *off = data;
+ xheader_print_n (xhdr, keyword,
+ xattr_map[*off].xval_ptr, xattr_map[*off].xval_len);
+}
+
+static void
+xattr_decoder (struct tar_stat_info *st,
+ char const *keyword, char const *arg, size_t size)
+{
+ char *xstr = NULL;
+
+ xstr = xmemdup(arg, size + 1);
+ xheader_xattr_add(st, keyword + strlen("SCHILY.xattr."), xstr, size);
+ free(xstr);
+}
+
+static void
+sparse_major_coder (struct tar_stat_info const *st, char const *keyword,
+ struct xheader *xhdr, void const *data)
+{
+ code_num (st->sparse_major, keyword, xhdr);
+}
+
+static void
+sparse_major_decoder (struct tar_stat_info *st,
+ char const *keyword,
+ char const *arg,
+ size_t size)
+{
+ uintmax_t u;
+ if (decode_num (&u, arg, TYPE_MAXIMUM (unsigned), keyword))
+ st->sparse_major = u;
+}
+
+static void
+sparse_minor_coder (struct tar_stat_info const *st, char const *keyword,
+ struct xheader *xhdr, void const *data)
+{
+ code_num (st->sparse_minor, keyword, xhdr);
+}
+
+static void
+sparse_minor_decoder (struct tar_stat_info *st,
+ char const *keyword,
+ char const *arg,
+ size_t size)
+{
+ uintmax_t u;
+ if (decode_num (&u, arg, TYPE_MAXIMUM (unsigned), keyword))
+ st->sparse_minor = u;
+}
struct xhdr_tab const xhdr_tab[] = {
- { "atime", atime_coder, atime_decoder, false },
- { "comment", dummy_coder, dummy_decoder, false },
- { "charset", dummy_coder, dummy_decoder, false },
- { "ctime", ctime_coder, ctime_decoder, false },
- { "gid", gid_coder, gid_decoder, false },
- { "gname", gname_coder, gname_decoder, false },
- { "linkpath", linkpath_coder, linkpath_decoder, false },
- { "mtime", mtime_coder, mtime_decoder, false },
- { "path", path_coder, path_decoder, false },
- { "size", size_coder, size_decoder, false },
- { "uid", uid_coder, uid_decoder, false },
- { "uname", uname_coder, uname_decoder, false },
+ { "atime", atime_coder, atime_decoder, 0, false },
+ { "comment", dummy_coder, dummy_decoder, 0, false },
+ { "charset", dummy_coder, dummy_decoder, 0, false },
+ { "ctime", ctime_coder, ctime_decoder, 0, false },
+ { "gid", gid_coder, gid_decoder, 0, false },
+ { "gname", gname_coder, gname_decoder, 0, false },
+ { "linkpath", linkpath_coder, linkpath_decoder, 0, false },
+ { "mtime", mtime_coder, mtime_decoder, 0, false },
+ { "path", path_coder, path_decoder, 0, false },
+ { "size", size_coder, size_decoder, 0, false },
+ { "uid", uid_coder, uid_decoder, 0, false },
+ { "uname", uname_coder, uname_decoder, 0, false },
/* Sparse file handling */
- { "GNU.sparse.size", sparse_size_coder, sparse_size_decoder, true },
+ { "GNU.sparse.name", path_coder, path_decoder,
+ XHDR_PROTECTED, false },
+ { "GNU.sparse.major", sparse_major_coder, sparse_major_decoder,
+ XHDR_PROTECTED, false },
+ { "GNU.sparse.minor", sparse_minor_coder, sparse_minor_decoder,
+ XHDR_PROTECTED, false },
+ { "GNU.sparse.realsize", sparse_size_coder, sparse_size_decoder,
+ XHDR_PROTECTED, false },
{ "GNU.sparse.numblocks", sparse_numblocks_coder, sparse_numblocks_decoder,
- true },
- /* tar 1.14 - 1.15.1 keywords. Multiplse instances of these appeared in 'x'
+ XHDR_PROTECTED, false },
+
+ /* tar 1.14 - 1.15.90 keywords. */
+ { "GNU.sparse.size", sparse_size_coder, sparse_size_decoder,
+ XHDR_PROTECTED, false },
+ /* tar 1.14 - 1.15.1 keywords. Multiple instances of these appeared in 'x'
headers, and each of them was meaningful. It confilcted with POSIX specs,
which requires that "when extended header records conflict, the last one
given in the header shall take precedence." */
{ "GNU.sparse.offset", sparse_offset_coder, sparse_offset_decoder,
- true },
+ XHDR_PROTECTED, false },
{ "GNU.sparse.numbytes", sparse_numbytes_coder, sparse_numbytes_decoder,
- true },
- /* tar >=1.16 keyword, introduced to remove the above-mentioned conflict. */
+ XHDR_PROTECTED, false },
+ /* tar 1.15.90 keyword, introduced to remove the above-mentioned conflict. */
{ "GNU.sparse.map", NULL /* Unused, see pax_dump_header() */,
- sparse_map_decoder, false },
+ sparse_map_decoder, 0, false },
{ "GNU.dumpdir", dumpdir_coder, dumpdir_decoder,
- true },
+ XHDR_PROTECTED, false },
/* Keeps the tape/volume label. May be present only in the global headers.
Equivalent to GNUTYPE_VOLHDR. */
- { "GNU.volume.label", volume_label_coder, volume_label_decoder, true },
+ { "GNU.volume.label", volume_label_coder, volume_label_decoder,
+ XHDR_PROTECTED | XHDR_GLOBAL, false },
/* These may be present in a first global header of the archive.
They provide the same functionality as GNUTYPE_MULTIVOL header.
GNU.volume.offset keeps the offset of the start of this volume,
otherwise kept in oldgnu_header.offset. */
{ "GNU.volume.filename", volume_label_coder, volume_filename_decoder,
- true },
- { "GNU.volume.size", volume_size_coder, volume_size_decoder, true },
- { "GNU.volume.offset", volume_offset_coder, volume_offset_decoder, true },
+ XHDR_PROTECTED | XHDR_GLOBAL, false },
+ { "GNU.volume.size", volume_size_coder, volume_size_decoder,
+ XHDR_PROTECTED | XHDR_GLOBAL, false },
+ { "GNU.volume.offset", volume_offset_coder, volume_offset_decoder,
+ XHDR_PROTECTED | XHDR_GLOBAL, false },
+
+ /* ACLs, use the star format... */
+ { "SCHILY.acl.access",
+ xattr_acls_a_coder, xattr_acls_a_decoder, 0, false },
+
+ { "SCHILY.acl.default",
+ xattr_acls_d_coder, xattr_acls_d_decoder, 0, false },
+
+ /* We are storing all extended attributes using this rule even if some of them
+ were stored by some previous rule (duplicates) -- we just have to make sure
+ they are restored *only once* during extraction later on. */
+ { "SCHILY.xattr", xattr_coder, xattr_decoder, 0, true },
- { NULL, NULL, NULL, false }
+ { NULL, NULL, NULL, 0, false }
};
projects / chaz / tar / blobdiff