X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=src%2Fcreate.c;h=7cdc9782895a988c36764e19cd4b8b191a070638;hb=fe3b106cb3b0bc4d50230ed263bf5ccbc8bf1ea7;hp=37a58089d6ffcfb6385e5d5c7384e1b9f9765f18;hpb=d36f5a3cc3280d6c4a58367bf51b527d5c14ac04;p=chaz%2Ftar diff --git a/src/create.c b/src/create.c index 37a5808..7cdc978 100644 --- a/src/create.c +++ b/src/create.c @@ -1,27 +1,28 @@ /* Create a tar archive. - Copyright (C) 1985, 1992, 1993, 1994, 1996, 1997, 1999, 2000, 2001, - 2003, 2004, 2005, 2006, 2007, 2009, 2010, 2012 - 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 +#include #include #include "common.h" @@ -512,12 +513,11 @@ 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; @@ -535,11 +535,6 @@ 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) @@ -549,13 +544,7 @@ 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); @@ -712,13 +701,13 @@ 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 { type = XHDTYPE; p = xheader_xhdr_name (st); - t = st->stat.st_mtime; + t = set_mtime_option ? mtime_option.tv_sec : st->stat.st_mtime; } xheader_write (type, p, t, &st->xhdr); free (p); @@ -953,6 +942,8 @@ start_header (struct tar_stat_info *st) 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; @@ -1123,6 +1114,8 @@ dump_dir0 (struct tar_stat_info *st, char const *directory) if (!blk) return; + info_attach_exclist (st); + if (incremental_option && archive_format != POSIX_FORMAT) blk->header.typeflag = GNUTYPE_DUMPDIR; else /* if (standard_option) */ @@ -1220,7 +1213,7 @@ dump_dir0 (struct tar_stat_info *st, char const *directory) name_buf = xrealloc (name_buf, name_size + 1); } strcpy (name_buf + name_len, entry); - if (!excluded_name (name_buf)) + if (!excluded_name (name_buf, st)) dump_file (st, entry, name_buf); } @@ -1298,7 +1291,7 @@ get_directory_entries (struct tar_stat_info *st) while (! (st->dirstream = fdopendir (st->fd))) if (! open_failure_recover (st)) return 0; - return streamsavedir (st->dirstream); + return streamsavedir (st->dirstream, savedir_sort_order); } /* Dump the directory ST. Return true if successful, false (emitting @@ -1349,12 +1342,12 @@ create_archive (void) collect_and_sort_names (); while ((p = name_from_list ()) != NULL) - if (!excluded_name (p->name)) + if (!excluded_name (p->name, NULL)) dump_file (0, p->name, p->name); blank_name_list (); while ((p = name_from_list ()) != NULL) - if (!excluded_name (p->name)) + if (!excluded_name (p->name, NULL)) { struct tar_stat_info st; size_t plen = strlen (p->name); @@ -1368,7 +1361,7 @@ create_archive (void) if (! ISSLASH (buffer[plen - 1])) buffer[plen++] = DIRECTORY_SEPARATOR; tar_stat_init (&st); - q = directory_contents (gnu_list_name->directory); + q = directory_contents (p->directory); if (q) while (*q) { @@ -1411,7 +1404,7 @@ create_archive (void) { const char *name; while ((name = name_next (1)) != NULL) - if (!excluded_name (name)) + if (!excluded_name (name, NULL)) dump_file (0, name, name); } @@ -1480,8 +1473,8 @@ dump_hard_link (struct tar_stat_info *st) /* We found a link. */ char const *link_name = safer_name_suffix (duplicate->name, true, absolute_names_option); - - duplicate->nlink--; + if (duplicate->nlink) + duplicate->nlink--; block_ordinal = current_block_ordinal (); assign_string (&st->link_name, link_name); @@ -1742,6 +1735,7 @@ dump_file0 (struct tar_stat_info *st, char const *name, char const *p) 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) @@ -1844,24 +1838,20 @@ dump_file0 (struct tar_stat_info *st, char const *name, char const *p) #ifdef HAVE_READLINK else if (S_ISLNK (st->stat.st_mode)) { - char *buffer; - int size; - size_t linklen = st->stat.st_size; - if (linklen != st->stat.st_size || linklen + 1 == 0) - xalloc_die (); - buffer = (char *) alloca (linklen + 1); - size = readlinkat (parentfd, name, buffer, linklen + 1); - if (size < 0) + st->link_name = areadlinkat_with_size (parentfd, name, st->stat.st_size); + if (!st->link_name) { + if (errno == ENOMEM) + xalloc_die (); file_removed_diag (p, top_level, readlink_diag); return; } - buffer[size] = '\0'; - assign_string (&st->link_name, buffer); transform_name (&st->link_name, XFORM_SYMLINK); - if (NAME_FIELD_SIZE - (archive_format == OLDGNU_FORMAT) < size) + if (NAME_FIELD_SIZE - (archive_format == OLDGNU_FORMAT) + < strlen (st->link_name)) write_long_link (st); + xattrs_selinux_get (parentfd, name, st, 0); xattrs_xattrs_get (parentfd, name, st, 0); block_ordinal = current_block_ordinal (); @@ -1885,18 +1875,21 @@ dump_file0 (struct tar_stat_info *st, char const *name, char const *p) { 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; 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; 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))