diff options
Diffstat (limited to 'app-arch/tar/files/tar-1.26-full-xattr.patch')
| -rw-r--r-- | app-arch/tar/files/tar-1.26-full-xattr.patch | 953 |
1 files changed, 0 insertions, 953 deletions
diff --git a/app-arch/tar/files/tar-1.26-full-xattr.patch b/app-arch/tar/files/tar-1.26-full-xattr.patch deleted file mode 100644 index 7a5c7f89..00000000 --- a/app-arch/tar/files/tar-1.26-full-xattr.patch +++ /dev/null @@ -1,953 +0,0 @@ -diff --git a/configure.ac b/configure.ac -index db69cb8..2afa463 100644 ---- a/configure.ac -+++ b/configure.ac -@@ -223,6 +223,20 @@ AC_CHECK_TYPE(iconv_t,:, - #endif - ]) - -+AC_ARG_ENABLE(xattr, -+ AC_HELP_STRING([--enable-xattr], -+ [enable Extended Attribute support (disabled by default)]), -+ [xattr_enabled=$enableval], -+ [xattr_enabled=no]) -+ -+if test "x$xattr_enabled" = xyes; then -+ AC_CHECK_HEADERS(attr/xattr.h) -+ AC_CHECK_FUNCS(getxattr fgetxattr lgetxattr \ -+ setxattr fsetxattr lsetxattr \ -+ listxattr flistxattr llistxattr, -+ AC_DEFINE(HAVE_XATTRS,1,[Define if we have a working extended attributes]),) -+fi -+ - # Gettext. - AM_GNU_GETTEXT([external], [need-formatstring-macros]) - AM_GNU_GETTEXT_VERSION([0.16]) -diff --git a/doc/tar.texi b/doc/tar.texi -index db8f986..d861d12 100644 ---- a/doc/tar.texi -+++ b/doc/tar.texi -@@ -3002,6 +3002,10 @@ mechanism. - Treat all input file or member names literally, do not interpret - escape sequences. @xref{input name quoting}. - -+@opsummary{no-xattrs} -+@item --no-xattrs -+Causes @command{tar} not to store and not to extract xattrs. @xref{Attributes}. -+ - @opsummary{no-wildcards} - @item --no-wildcards - Do not use wildcards. -@@ -3447,6 +3451,10 @@ Enable or disable warning messages identified by @var{keyword}. The - messages are suppressed if @var{keyword} is prefixed with @samp{no-}. - @xref{warnings}. - -+@opsummary{xattrs} -+@item --xattrs -+Causes @command{tar} to store xattrs. @xref{Attributes}. -+ - @opsummary{wildcards} - @item --wildcards - Use wildcards when matching member names with patterns. -@@ -8659,6 +8667,8 @@ implementation able to read @samp{ustar} archives will be able to read - most @samp{posix} archives as well, with the only exception that any - additional information (such as long file names etc.) will in such - case be extracted as plain text files along with the files it refers to. -+This is the only format that can store ACLs, SELinux context and extended -+attributes. - - This archive format will be the default format for future versions - of @GNUTAR{}. -@@ -9293,6 +9303,20 @@ Same as both @option{--same-permissions} and @option{--same-order}. - - This option is deprecated, and will be removed in @GNUTAR{} version 1.23. - -+@opindex xattrs -+@item --xattrs -+This option causes @command{tar} to store the current extended attributes in -+the archive. -+ -+The @option{--xattrs} option has no equivalent short option name. -+ -+@opindex no-xattrs -+@item --no-xattrs -+This option causes @command{tar} not to store the current extended attributes in -+the archive and not to extract any extended attributes in an archive. -+ -+The @option{--no-xattrs} option has no equivalent short option name. -+ - @end table - - @node Portability -diff --git a/src/Makefile.am b/src/Makefile.am -index de310f4..27c28be 100644 ---- a/src/Makefile.am -+++ b/src/Makefile.am -@@ -20,7 +20,7 @@ - - bin_PROGRAMS = tar - --noinst_HEADERS = arith.h common.h tar.h -+noinst_HEADERS = arith.h common.h tar.h xattrs.h - tar_SOURCES = \ - buffer.c\ - checkpoint.c\ -@@ -42,10 +42,11 @@ tar_SOURCES = \ - unlink.c\ - update.c\ - utf8.c\ -- warning.c -+ warning.c\ -+ xattrs.c - - INCLUDES = -I$(top_srcdir)/gnu -I../ -I../gnu -I$(top_srcdir)/lib -I../lib - - LDADD = ../lib/libtar.a ../gnu/libgnu.a $(LIBINTL) $(LIBICONV) - --tar_LDADD = $(LDADD) $(LIB_CLOCK_GETTIME) $(LIB_EACCESS) -+tar_LDADD = $(LIBS) $(LDADD) $(LIB_CLOCK_GETTIME) $(LIB_EACCESS) -diff --git a/src/common.h b/src/common.h -index 0b9bd7a..e4ee345 100644 ---- a/src/common.h -+++ b/src/common.h -@@ -253,6 +253,9 @@ GLOBAL int same_owner_option; - /* If positive, preserve permissions when extracting. */ - GLOBAL int same_permissions_option; - -+/* If positive, save the user and root xattrs. */ -+GLOBAL int xattrs_option; -+ - /* When set, strip the given number of file name components from the file name - before extracting */ - GLOBAL size_t strip_name_components; -@@ -707,6 +710,9 @@ extern char *output_start; - - void update_archive (void); - -+/* Module attrs.c. */ -+#include "xattrs.h" -+ - /* Module xheader.c. */ - - void xheader_decode (struct tar_stat_info *stat); -@@ -727,6 +733,12 @@ bool xheader_string_end (struct xheader *xhdr, char const *keyword); - bool xheader_keyword_deleted_p (const char *kw); - char *xheader_format_name (struct tar_stat_info *st, const char *fmt, - size_t n); -+void xheader_xattr_init(struct tar_stat_info *st); -+void xheader_xattr_free(struct xattr_array *vals, size_t sz); -+void xheader_xattr_copy(const struct tar_stat_info *st, -+ struct xattr_array **vals, size_t *sz); -+void xheader_xattr_add(struct tar_stat_info *st, -+ const char *key, const char *val, size_t len); - - /* Module system.c */ - -diff --git a/src/create.c b/src/create.c -index 43b5a4c..7ed5d10 100644 ---- a/src/create.c -+++ b/src/create.c -@@ -936,6 +936,21 @@ start_header (struct tar_stat_info *st) - GNAME_TO_CHARS (st->gname, header->header.gname); - } - -+ if (archive_format == POSIX_FORMAT) -+ { -+ if (xattrs_option > 0) -+ { -+ size_t scan_xattr = 0; -+ struct xattr_array *xattr_map = st->xattr_map; -+ -+ while (scan_xattr < st->xattr_map_size) -+ { -+ xheader_store (xattr_map[scan_xattr].xkey, st, &scan_xattr); -+ ++scan_xattr; -+ } -+ } -+ } -+ - return header; - } - -@@ -1711,6 +1726,11 @@ dump_file0 (struct tar_stat_info *st, char const *name, char const *p) - bool ok; - struct stat final_stat; - -+ if (fd == 0) -+ xattrs_xattrs_get(st, p, -1); -+ else -+ xattrs_xattrs_get(st, p, fd); -+ - if (is_dir) - { - const char *tag_file_name; -@@ -1829,6 +1849,8 @@ dump_file0 (struct tar_stat_info *st, char const *name, char const *p) - if (NAME_FIELD_SIZE - (archive_format == OLDGNU_FORMAT) < size) - write_long_link (st); - -+ xattrs_xattrs_get(st, p, -1); -+ - block_ordinal = current_block_ordinal (); - st->stat.st_size = 0; /* force 0 size on symlink */ - header = start_header (st); -@@ -1847,11 +1869,20 @@ dump_file0 (struct tar_stat_info *st, char const *name, char const *p) - } - #endif - else if (S_ISCHR (st->stat.st_mode)) -- type = CHRTYPE; -+ { -+ type = CHRTYPE; -+ xattrs_xattrs_get(st, p, -1); -+ } - else if (S_ISBLK (st->stat.st_mode)) -- type = BLKTYPE; -+ { -+ type = BLKTYPE; -+ xattrs_xattrs_get(st, p, -1); -+ } - else if (S_ISFIFO (st->stat.st_mode)) -- type = FIFOTYPE; -+ { -+ type = FIFOTYPE; -+ xattrs_xattrs_get(st, p, -1); -+ } - else if (S_ISSOCK (st->stat.st_mode)) - { - WARNOPT (WARN_FILE_IGNORED, -diff --git a/src/extract.c b/src/extract.c -index aaea56e..5c0a9c9 100644 ---- a/src/extract.c -+++ b/src/extract.c -@@ -97,6 +97,9 @@ struct delayed_set_stat - /* Directory that the name is relative to. */ - int change_dir; - -+ /* extended attributes*/ -+ size_t xattr_map_size; /* Size of the xattr map */ -+ struct xattr_array *xattr_map; - /* Length and contents of name. */ - size_t file_name_len; - char file_name[1]; -@@ -134,6 +137,9 @@ struct delayed_link - hard-linked together. */ - struct string_list *sources; - -+ size_t xattr_map_size; /* Size of the xattr map */ -+ struct xattr_array *xattr_map; -+ - /* The desired target of the desired link. */ - char target[1]; - }; -@@ -335,6 +341,8 @@ set_stat (char const *file_name, - utime_error (file_name); - } - -+ xattrs_xattrs_set(st, file_name, typeflag); -+ - if (0 < same_owner_option && ! interdir) - { - /* Some systems allow non-root users to give files away. Once this -@@ -431,6 +439,13 @@ delay_set_stat (char const *file_name, struct tar_stat_info const *st, - data->atflag = atflag; - data->after_links = 0; - data->change_dir = chdir_current; -+ if (st) -+ xheader_xattr_copy (st, &data->xattr_map, &data->xattr_map_size); -+ else -+ { -+ data->xattr_map = NULL; -+ data->xattr_map_size = 0; -+ } - strcpy (data->file_name, file_name); - delayed_set_stat_head = data; - if (must_be_dot_or_slash (file_name)) -@@ -673,6 +688,31 @@ maybe_recoverable (char *file_name, bool regular, bool *interdir_made) - return RECOVER_NO; - } - -+/* Restore stat extended attributes (xattr) for FILE_NAME, using information -+ given in *ST. Restore before extraction because they may affect layout. -+ If not restoring permissions, invert the -+ INVERT_PERMISSIONS bits from the file's current permissions. -+ TYPEFLAG specifies the type of the file. -+ FILE_CREATED indicates set_xattr has created the file */ -+static int -+set_xattr (char const *file_name, struct tar_stat_info const *st, -+ mode_t invert_permissions, char typeflag, int *file_created) -+{ -+ int status = 0; -+ bool interdir_made = false; -+ -+ if ((xattrs_option >= 0) && st->xattr_map_size) { -+ mode_t mode = current_stat_info.stat.st_mode & MODE_RWX & ~ current_umask; -+ -+ do -+ status = mknod (file_name, mode ^ invert_permissions, 0); -+ while (status && maybe_recoverable ((char *)file_name, false, &interdir_made)); -+ xattrs_xattrs_set(st, file_name, typeflag); -+ *file_created = 1; -+ } -+ return(status); -+} -+ - /* Fix the statuses of all directories whose statuses need fixing, and - which are not ancestors of FILE_NAME. If AFTER_LINKS is - nonzero, do this for all such directories; otherwise, stop at the -@@ -733,12 +773,15 @@ apply_nonancestor_delayed_set_stat (char const *file_name, bool after_links) - sb.stat.st_gid = data->gid; - sb.atime = data->atime; - sb.mtime = data->mtime; -+ sb.xattr_map = data->xattr_map; -+ sb.xattr_map_size = data->xattr_map_size; - set_stat (data->file_name, &sb, - -1, current_mode, current_mode_mask, - DIRTYPE, data->interdir, data->atflag); - } - - delayed_set_stat_head = data->next; -+ xheader_xattr_free (data->xattr_map, data->xattr_map_size); - free (data); - } - } -@@ -854,6 +897,7 @@ extract_dir (char *file_name, int typeflag) - - static int - open_output_file (char const *file_name, int typeflag, mode_t mode, -+ int file_created, - mode_t *current_mode, mode_t *current_mode_mask) - { - int fd; -@@ -864,6 +908,10 @@ open_output_file (char const *file_name, int typeflag, mode_t mode, - ? O_TRUNC | (dereference_option ? 0 : O_NOFOLLOW) - : O_EXCL)); - -+ /* File might be created in set_xattr. So clear O_EXCL to avoid open() failure */ -+ if (file_created) -+ openflag = openflag & ~O_EXCL; -+ - if (typeflag == CONTTYPE) - { - static int conttype_diagnosed; -@@ -934,6 +982,7 @@ extract_file (char *file_name, int typeflag) - bool interdir_made = false; - mode_t mode = (current_stat_info.stat.st_mode & MODE_RWX - & ~ (0 < same_owner_option ? S_IRWXG | S_IRWXO : 0)); -+ mode_t invert_permissions = 0 < same_owner_option ? mode & (S_IRWXG | S_IRWXO) : 0; - mode_t current_mode = 0; - mode_t current_mode_mask = 0; - -@@ -950,7 +999,17 @@ extract_file (char *file_name, int typeflag) - } - else - { -+ int file_created = 0; -+ if (set_xattr (file_name, ¤t_stat_info, invert_permissions, -+ typeflag, &file_created)) -+ { -+ skip_member (); -+ open_error (file_name); -+ return 1; -+ } -+ - while ((fd = open_output_file (file_name, typeflag, mode, -+ file_created, - ¤t_mode, ¤t_mode_mask)) - < 0) - { -@@ -1091,6 +1150,7 @@ create_placeholder_file (char *file_name, bool is_symlink, bool *interdir_made) - + strlen (file_name) + 1); - p->sources->next = 0; - strcpy (p->sources->string, file_name); -+ xheader_xattr_copy (¤t_stat_info, &p->xattr_map, &p->xattr_map_size); - strcpy (p->target, current_stat_info.link_name); - - h = delayed_set_stat_head; -@@ -1525,6 +1585,8 @@ apply_delayed_links (void) - st1.stat.st_gid = ds->gid; - st1.atime = ds->atime; - st1.mtime = ds->mtime; -+ st1.xattr_map = ds->xattr_map; -+ st1.xattr_map_size = ds->xattr_map_size; - set_stat (source, &st1, -1, 0, 0, SYMTYPE, - false, AT_SYMLINK_NOFOLLOW); - valid_source = source; -@@ -1539,6 +1601,8 @@ apply_delayed_links (void) - sources = next; - } - -+ xheader_xattr_free (ds->xattr_map, ds->xattr_map_size); -+ - { - struct delayed_link *next = ds->next; - free (ds); -diff --git a/src/list.c b/src/list.c -index cf2de09..6f52579 100644 ---- a/src/list.c -+++ b/src/list.c -@@ -604,6 +604,8 @@ decode_header (union block *header, struct tar_stat_info *stat_info, - assign_string (&stat_info->gname, - header->header.gname[0] ? header->header.gname : NULL); - -+ xheader_xattr_init(stat_info); -+ - if (format == OLDGNU_FORMAT && incremental_option) - { - stat_info->atime.tv_sec = TIME_FROM_HEADER (header->oldgnu_header.atime); -diff --git a/src/tar.c b/src/tar.c -index 928cfdd..75510d8 100644 ---- a/src/tar.c -+++ b/src/tar.c -@@ -304,6 +304,7 @@ enum - NO_UNQUOTE_OPTION, - NO_WILDCARDS_MATCH_SLASH_OPTION, - NO_WILDCARDS_OPTION, -+ NO_XATTR_OPTION, - NULL_OPTION, - NUMERIC_OWNER_OPTION, - OCCURRENCE_OPTION, -@@ -340,7 +341,8 @@ enum - VOLNO_FILE_OPTION, - WARNING_OPTION, - WILDCARDS_MATCH_SLASH_OPTION, -- WILDCARDS_OPTION -+ WILDCARDS_OPTION, -+ XATTR_OPTION - }; - - const char *argp_program_version = "tar (" PACKAGE_NAME ") " VERSION; -@@ -516,6 +518,10 @@ static struct argp_option options[] = { - {"preserve-order", 's', 0, 0, - N_("sort names to extract to match archive"), GRID+1 }, - {"same-order", 0, 0, OPTION_ALIAS, NULL, GRID+1 }, -+ {"xattrs", XATTR_OPTION, 0, 0, -+ N_("Save the user/root xattrs to the archive"), GRID+1 }, -+ {"no-xattrs", NO_XATTR_OPTION, 0, 0, -+ N_("Don't extract the user/root xattrs from the archive"), GRID+1 }, - {"preserve", PRESERVE_OPTION, 0, 0, - N_("same as both -p and -s"), GRID+1 }, - {"delay-directory-restore", DELAY_DIRECTORY_RESTORE_OPTION, 0, 0, -@@ -2079,6 +2085,15 @@ parse_opt (int key, char *arg, struct argp_state *state) - same_permissions_option = -1; - break; - -+ case XATTR_OPTION: -+ set_archive_format ("posix"); -+ xattrs_option = 1; -+ break; -+ -+ case NO_XATTR_OPTION: -+ xattrs_option = -1; -+ break; -+ - case RECURSION_OPTION: - recursion_option = FNM_LEADING_DIR; - break; -@@ -2461,6 +2476,15 @@ decode_options (int argc, char **argv) - || subcommand_option != LIST_SUBCOMMAND)) - USAGE_ERROR ((0, 0, _("--pax-option can be used only on POSIX archives"))); - -+ /* star create's non-POSIX typed archives with xattr support, so allow the -+ extra headers */ -+ if ((xattrs_option > 0) -+ && archive_format != POSIX_FORMAT -+ && (subcommand_option != EXTRACT_SUBCOMMAND -+ || subcommand_option != DIFF_SUBCOMMAND -+ || subcommand_option != LIST_SUBCOMMAND)) -+ USAGE_ERROR ((0, 0, _("--xattrs can be used only on POSIX archives"))); -+ - /* If ready to unlink hierarchies, so we are for simpler files. */ - if (recursive_unlink_option) - old_files_option = UNLINK_FIRST_OLD_FILES; -@@ -2713,6 +2737,7 @@ void - tar_stat_destroy (struct tar_stat_info *st) - { - tar_stat_close (st); -+ xheader_xattr_free (st->xattr_map, st->xattr_map_size); - free (st->orig_file_name); - free (st->file_name); - free (st->link_name); -diff --git a/src/tar.h b/src/tar.h -index ce9850c..955b18e 100644 ---- a/src/tar.h -+++ b/src/tar.h -@@ -276,6 +276,14 @@ struct xheader - uintmax_t string_length; - }; - -+/* Information about xattrs for a file. */ -+struct xattr_array -+ { -+ char *xkey; -+ char *xval_ptr; -+ size_t xval_len; -+ }; -+ - struct tar_stat_info - { - char *orig_file_name; /* name of file read from the archive header */ -@@ -287,6 +295,7 @@ struct tar_stat_info - - char *uname; /* user name of owner */ - char *gname; /* group name of owner */ -+ - struct stat stat; /* regular filesystem stat */ - - /* STAT doesn't always have access, data modification, and status -@@ -309,6 +318,9 @@ struct tar_stat_info - size_t sparse_map_size; /* Size of the sparse map */ - struct sp_array *sparse_map; - -+ size_t xattr_map_size; /* Size of the xattr map */ -+ struct xattr_array *xattr_map; -+ - /* Extended headers */ - struct xheader xhdr; - -diff --git a/src/xattrs.c b/src/xattrs.c -new file mode 100644 -index 0000000..6a9950e ---- /dev/null -+++ b/src/xattrs.c -@@ -0,0 +1,181 @@ -+/* Create a tar archive. -+ -+ Copyright (C) 2006 Free Software Foundation, Inc. -+ -+ Written by James Antill, on 2006-07-27. -+ -+ 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 -+ version. -+ -+ This program is distributed in the hope that it will be useful, but -+ WITHOUT ANY WARRANTY; without even the implied warranty of -+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General -+ Public License for more details. -+ -+ You should have received a copy of the GNU General Public License along -+ with this program; if not, write to the Free Software Foundation, Inc., -+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ -+ -+#include <system.h> -+ -+#include <quotearg.h> -+ -+#include "common.h" -+ -+ -+#ifndef HAVE_ATTR_XATTR_H -+# undef HAVE_XATTRS -+#endif -+ -+#ifdef HAVE_ATTR_XATTR_H -+# include <attr/xattr.h> -+#endif -+ -+ -+void xattrs_xattrs_get(struct tar_stat_info *st, char const *file_name, int fd) -+{ -+ if (xattrs_option > 0) -+ { /* get all xattrs ... this include security.* and system.* if -+ available. We filter them here, but we have to filter them -+ in xattrs_xattrs_set() anyway. -+ */ -+ static ssize_t xsz = 1024; -+ static char *xatrs = NULL; -+ ssize_t xret = -1; -+ -+#ifndef HAVE_XATTRS -+ static int done = 0; -+ if ((xattrs_option > 0) && !done) -+ WARN ((0, 0, _("Xattr support requested, but not available"))); -+ done = 1; -+#else -+ -+ if (!xatrs) xatrs = xmalloc (xsz); -+ -+ while (((fd == -1) ? -+ ((xret = llistxattr (file_name, xatrs, xsz)) == -1) : -+ ((xret = flistxattr (fd, xatrs, xsz)) == -1)) && -+ (errno == ERANGE)) -+ { -+ xsz <<= 1; -+ xatrs = xrealloc (xatrs, xsz); -+ } -+ -+ if (xret == -1) -+ call_arg_warn ((fd == -1) ? "llistxattrs" : "flistxattrs", file_name); -+ else -+ { -+ const char *attr = xatrs; -+ static ssize_t asz = 1024; -+ static char *val = NULL; -+ -+ if (!val) val = xmalloc (asz); -+ -+ while (xret > 0) -+ { -+ size_t len = strlen (attr); -+ ssize_t aret = 0; -+ -+ /* Archive all xattrs during creation, decide at extraction time -+ * which ones are of interest/use for the target filesystem. */ -+ while (((fd == -1) ? -+ ((aret = lgetxattr (file_name, attr, val, asz)) == -1) : -+ ((aret = fgetxattr (fd, attr, val, asz)) == -1)) && -+ (errno == ERANGE)) -+ { -+ asz <<= 1; -+ val = xrealloc (val, asz); -+ } -+ -+ if (aret != -1) -+ xheader_xattr_add (st, attr, val, aret); -+ else if (errno != ENOATTR) -+ call_arg_warn ((fd==-1) ? "lgetxattr" : "fgetxattr", file_name); -+ -+ attr += len + 1; -+ xret -= len + 1; -+ } -+ } -+#endif -+ } -+} -+ -+static void xattrs__fd_set(struct tar_stat_info const *st, -+ char const *file_name, char typeflag, -+ const char *attr, -+ const char *ptr, size_t len) -+{ -+#ifdef HAVE_XATTRS -+ if (ptr) -+ { -+ const char *sysname = "setxattr"; -+ int ret = -1; -+ -+ if (typeflag != SYMTYPE) -+ ret = setxattr (file_name, attr, ptr, len, 0); -+ else -+ { -+ sysname = "lsetxattr"; -+ ret = lsetxattr (file_name, attr, ptr, len, 0); -+ } -+ -+ /* do not print warnings when SELinux is disabled */ -+ if ((ret == -1) && (errno != EPERM) && (errno != ENOTSUP)) -+ call_arg_error(sysname, file_name); -+ } -+#endif -+} -+ -+static char *skip_to_ext_fields(char *ptr) -+{ -+ ptr += strcspn(ptr, ":,\n"); /* skip tag name. Ie. user/group/default/mask */ -+ -+ if (*ptr != ':') -+ return (ptr); /* error? no user/group field */ -+ ++ptr; -+ -+ ptr += strcspn(ptr, ":,\n"); /* skip user/group name */ -+ -+ if (*ptr != ':') -+ return (ptr); /* error? no perms field */ -+ ++ptr; -+ -+ ptr += strcspn(ptr, ":,\n"); /* skip perms */ -+ -+ if (*ptr != ':') -+ return (ptr); /* no extra fields */ -+ -+ return (ptr); -+} -+ -+void xattrs_xattrs_set(struct tar_stat_info const *st, -+ char const *file_name, char typeflag) -+{ -+ if ((xattrs_option >= 0) && st->xattr_map_size) -+ { -+ size_t scan = 0; -+ -+#ifndef HAVE_XATTRS -+ static int done = 0; -+ if (!done) -+ WARN ((0, 0, _("Xattr support requested, but not available"))); -+ done = 1; -+#else -+ while (scan < st->xattr_map_size) -+ { -+ char *keyword = st->xattr_map[scan].xkey; -+ -+ /* assert (!memcpy (keyword, "SCHILY.xattr.", strlen("SCHILY.xattr."))); */ -+ keyword += strlen("SCHILY.xattr."); -+ -+ xattrs__fd_set (st, file_name, typeflag, keyword, -+ st->xattr_map[scan].xval_ptr, -+ st->xattr_map[scan].xval_len); -+ -+ ++scan; -+ } -+#endif -+ } -+} -diff --git a/src/xattrs.h b/src/xattrs.h -new file mode 100644 -index 0000000..7ffdce1 ---- /dev/null -+++ b/src/xattrs.h -@@ -0,0 +1,6 @@ -+ -+extern void xattrs_xattrs_get(struct tar_stat_info *st, -+ char const *file_name, int fd); -+ -+extern void xattrs_xattrs_set(struct tar_stat_info const *st, -+ char const *file_name, char typeflag); -diff --git a/src/xheader.c b/src/xheader.c -index 2284e97..557b3e5 100644 ---- a/src/xheader.c -+++ b/src/xheader.c -@@ -460,6 +460,74 @@ xheader_write_global (struct xheader *xhdr) - } - } - -+void xheader_xattr_init(struct tar_stat_info *st) -+{ -+ st->xattr_map = NULL; -+ st->xattr_map_size = 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."); -+ tmp = stpcpy (tmp, key); -+ -+ xheader_xattr__add (&st->xattr_map, &st->xattr_map_size, xkey, val, len); -+ -+ 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; -+ } -+} -+ - - /* General Interface */ - -@@ -473,6 +541,7 @@ struct xhdr_tab - struct xheader *, void const *data); - void (*decoder) (struct tar_stat_info *, char const *, char const *, size_t); - int flags; -+ bool prefix; - }; - - /* This declaration must be extern, because ISO C99 section 6.9.2 -@@ -489,8 +558,17 @@ locate_handler (char const *keyword) - 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; - } - -@@ -500,7 +578,7 @@ xheader_protected_pattern_p (const char *pattern) - struct xhdr_tab const *p; - - for (p = xhdr_tab; p->keyword; p++) -- if ((p->flags & XHDR_PROTECTED) && fnmatch (pattern, p->keyword, 0) == 0) -+ if (!p->prefix && (p->flags & XHDR_PROTECTED) && fnmatch (pattern, p->keyword, 0) == 0) - return true; - return false; - } -@@ -511,7 +589,7 @@ xheader_protected_keyword_p (const char *keyword) - struct xhdr_tab const *p; - - for (p = xhdr_tab; p->keyword; p++) -- if ((p->flags & XHDR_PROTECTED) && strcmp (p->keyword, keyword) == 0) -+ if (!p->prefix && (p->flags & XHDR_PROTECTED) && strcmp (p->keyword, keyword) == 0) - return true; - return false; - } -@@ -1470,6 +1548,27 @@ volume_filename_decoder (struct tar_stat_info *st, - } - - 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) - { -@@ -1506,53 +1605,53 @@ sparse_minor_decoder (struct tar_stat_info *st, - } - - struct xhdr_tab const xhdr_tab[] = { -- { "atime", atime_coder, atime_decoder, 0 }, -- { "comment", dummy_coder, dummy_decoder, 0 }, -- { "charset", dummy_coder, dummy_decoder, 0 }, -- { "ctime", ctime_coder, ctime_decoder, 0 }, -- { "gid", gid_coder, gid_decoder, 0 }, -- { "gname", gname_coder, gname_decoder, 0 }, -- { "linkpath", linkpath_coder, linkpath_decoder, 0 }, -- { "mtime", mtime_coder, mtime_decoder, 0 }, -- { "path", path_coder, path_decoder, 0 }, -- { "size", size_coder, size_decoder, 0 }, -- { "uid", uid_coder, uid_decoder, 0 }, -- { "uname", uname_coder, uname_decoder, 0 }, -+ { "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.name", path_coder, path_decoder, -- XHDR_PROTECTED }, -+ XHDR_PROTECTED, false }, - { "GNU.sparse.major", sparse_major_coder, sparse_major_decoder, -- XHDR_PROTECTED }, -+ XHDR_PROTECTED, false }, - { "GNU.sparse.minor", sparse_minor_coder, sparse_minor_decoder, -- XHDR_PROTECTED }, -+ XHDR_PROTECTED, false }, - { "GNU.sparse.realsize", sparse_size_coder, sparse_size_decoder, -- XHDR_PROTECTED }, -+ XHDR_PROTECTED, false }, - { "GNU.sparse.numblocks", sparse_numblocks_coder, sparse_numblocks_decoder, -- XHDR_PROTECTED }, -+ XHDR_PROTECTED, false }, - - /* tar 1.14 - 1.15.90 keywords. */ - { "GNU.sparse.size", sparse_size_coder, sparse_size_decoder, -- XHDR_PROTECTED }, -+ 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, -- XHDR_PROTECTED }, -+ XHDR_PROTECTED, false }, - { "GNU.sparse.numbytes", sparse_numbytes_coder, sparse_numbytes_decoder, -- XHDR_PROTECTED }, -+ 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, 0 }, -+ sparse_map_decoder, 0, false }, - - { "GNU.dumpdir", dumpdir_coder, dumpdir_decoder, -- XHDR_PROTECTED }, -+ 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, -- XHDR_PROTECTED | XHDR_GLOBAL }, -+ 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. -@@ -1561,11 +1660,14 @@ struct xhdr_tab const xhdr_tab[] = { - 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, -- XHDR_PROTECTED | XHDR_GLOBAL }, -+ XHDR_PROTECTED | XHDR_GLOBAL, false }, - { "GNU.volume.size", volume_size_coder, volume_size_decoder, -- XHDR_PROTECTED | XHDR_GLOBAL }, -+ XHDR_PROTECTED | XHDR_GLOBAL, false }, - { "GNU.volume.offset", volume_offset_coder, volume_offset_decoder, -- XHDR_PROTECTED | XHDR_GLOBAL }, -+ XHDR_PROTECTED | XHDR_GLOBAL, false }, -+ -+ /* xattrs use the star format. note we only save some variants... */ -+ { "SCHILY.xattr", xattr_coder, xattr_decoder, 0, true }, - -- { NULL, NULL, NULL, 0 } -+ { NULL, NULL, NULL, 0, false } - }; |