X-Git-Url: https://git.dogcows.com/gitweb?p=chaz%2Ftar;a=blobdiff_plain;f=src%2Fcreate.c;h=24920db37b967b99ea803d1418c7cb02141100cd;hp=43b5a4c23ab1140f38180d02e2b140c9886bd031;hb=45ccda119355a1087450039a250359c1d0de0d08;hpb=881e5626c5db79d825a45ba15aecec9087bcd8b9 diff --git a/src/create.c b/src/create.c index 43b5a4c..24920db 100644 --- a/src/create.c +++ b/src/create.c @@ -1,23 +1,24 @@ /* Create a tar archive. - Copyright (C) 1985, 1992, 1993, 1994, 1996, 1997, 1999, 2000, 2001, - 2003, 2004, 2005, 2006, 2007, 2009, 2010 Free Software Foundation, Inc. + Copyright 1985, 1992-1994, 1996-1997, 1999-2001, 2003-2007, + 2009-2010, 2012-2014 Free Software Foundation, Inc. - Written by John Gilmore, on 1985-08-25. + This file is part of GNU tar. - 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 3, or (at your option) any later - version. + GNU tar 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 3 of the License, 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. + GNU tar 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. */ + You should have received a copy of the GNU General Public License + along with this program. If not, see . + + Written by John Gilmore, on 1985-08-25. */ #include @@ -511,12 +512,11 @@ start_private_header (const char *name, size_t size, time_t t) tar_name_copy_str (header->header.name, name, NAME_FIELD_SIZE); OFF_TO_CHARS (size, header->header.size); - TIME_TO_CHARS (t, header->header.mtime); + TIME_TO_CHARS (t < 0 ? 0 : min (t, MAX_OCTAL_VAL (header->header.mtime)), + header->header.mtime); MODE_TO_CHARS (S_IFREG|S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH, header->header.mode); - UID_TO_CHARS (getuid (), header->header.uid); - GID_TO_CHARS (getgid (), header->header.gid); - MAJOR_TO_CHARS (0, header->header.devmajor); - MINOR_TO_CHARS (0, header->header.devminor); + UID_TO_CHARS (0, header->header.uid); + GID_TO_CHARS (0, header->header.gid); strncpy (header->header.magic, TMAGIC, TMAGLEN); strncpy (header->header.version, TVERSION, TVERSLEN); return header; @@ -534,11 +534,6 @@ write_short_name (struct tar_stat_info *st) return header; } -#define FILL(field,byte) do { \ - memset(field, byte, sizeof(field)-1); \ - (field)[sizeof(field)-1] = 0; \ -} while (0) - /* Write a GNUTYPE_LONGLINK or GNUTYPE_LONGNAME block. */ static void write_gnu_long_link (struct tar_stat_info *st, const char *p, char type) @@ -548,13 +543,7 @@ write_gnu_long_link (struct tar_stat_info *st, const char *p, char type) union block *header; char *tmpname; - header = start_private_header ("././@LongLink", size, time (NULL)); - FILL (header->header.mtime, '0'); - FILL (header->header.mode, '0'); - FILL (header->header.uid, '0'); - FILL (header->header.gid, '0'); - FILL (header->header.devmajor, 0); - FILL (header->header.devminor, 0); + header = start_private_header ("././@LongLink", size, 0); uid_to_uname (0, &tmpname); UNAME_TO_CHARS (tmpname, header->header.uname); free (tmpname); @@ -711,7 +700,7 @@ write_extended (bool global, struct tar_stat_info *st, union block *old_header) { type = XGLTYPE; p = xheader_ghdr_name (); - time (&t); + t = start_time.tv_sec; } else { @@ -785,9 +774,9 @@ start_header (struct tar_stat_info *st) . . . . . . . . . 9 = Omron UNIOS-B 4.3BSD 1.60Beta . = works - # = ``impossible file type'' + # = "impossible file type" - The following mask for old archive removes the `#'s in column 4 + The following mask for old archive removes the '#'s in column 4 above, thus making GNU tar both a universal donor and a universal acceptor for Paul's test. */ @@ -920,8 +909,15 @@ start_header (struct tar_stat_info *st) } else { - uid_to_uname (st->stat.st_uid, &st->uname); - gid_to_gname (st->stat.st_gid, &st->gname); + if (owner_name_option) + st->uname = xstrdup (owner_name_option); + else + uid_to_uname (st->stat.st_uid, &st->uname); + + if (group_name_option) + st->gname = xstrdup (group_name_option); + else + gid_to_gname (st->stat.st_gid, &st->gname); if (archive_format == POSIX_FORMAT && (strlen (st->uname) > UNAME_FIELD_SIZE @@ -936,6 +932,30 @@ start_header (struct tar_stat_info *st) GNAME_TO_CHARS (st->gname, header->header.gname); } + if (archive_format == POSIX_FORMAT) + { + if (acls_option > 0) + { + if (st->acls_a_ptr) + xheader_store ("SCHILY.acl.access", st, NULL); + if (st->acls_d_ptr) + xheader_store ("SCHILY.acl.default", st, NULL); + } + if ((selinux_context_option > 0) && st->cntx_name) + xheader_store ("RHT.security.selinux", st, NULL); + 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; } @@ -1044,7 +1064,7 @@ dump_regular_file (int fd, struct tar_stat_info *st) memset (blk->buffer + size_left, 0, BLOCKSIZE - count); } - count = (fd <= 0) ? bufsize : safe_read (fd, blk->buffer, bufsize); + count = (fd <= 0) ? bufsize : blocking_read (fd, blk->buffer, bufsize); if (count == SAFE_READ_ERROR) { read_diag_details (st->orig_file_name, @@ -1711,6 +1731,10 @@ dump_file0 (struct tar_stat_info *st, char const *name, char const *p) bool ok; struct stat final_stat; + xattrs_acls_get (parentfd, name, st, 0, !is_dir); + xattrs_selinux_get (parentfd, name, st, fd); + xattrs_xattrs_get (parentfd, name, st, fd); + if (is_dir) { const char *tag_file_name; @@ -1829,6 +1853,9 @@ 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_selinux_get (parentfd, name, st, 0); + xattrs_xattrs_get (parentfd, name, st, 0); + block_ordinal = current_block_ordinal (); st->stat.st_size = 0; /* force 0 size on symlink */ header = start_header (st); @@ -1847,11 +1874,26 @@ 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_acls_get (parentfd, name, st, 0, true); + xattrs_selinux_get (parentfd, name, st, 0); + xattrs_xattrs_get (parentfd, name, st, 0); + } else if (S_ISBLK (st->stat.st_mode)) - type = BLKTYPE; + { + type = BLKTYPE; + xattrs_acls_get (parentfd, name, st, 0, true); + xattrs_selinux_get (parentfd, name, st, 0); + xattrs_xattrs_get (parentfd, name, st, 0); + } else if (S_ISFIFO (st->stat.st_mode)) - type = FIFOTYPE; + { + type = FIFOTYPE; + xattrs_acls_get (parentfd, name, st, 0, true); + xattrs_selinux_get (parentfd, name, st, 0); + xattrs_xattrs_get (parentfd, name, st, 0); + } else if (S_ISSOCK (st->stat.st_mode)) { WARNOPT (WARN_FILE_IGNORED,