867 lines
21 KiB
C
867 lines
21 KiB
C
/*
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Copyright (C) by Andrew Tridgell 1996, 2000
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Copyright (C) Paul Mackerras 1996
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Copyright (C) 2001, 2002 by Martin Pool <mbp@samba.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#define False 0
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#define True 1
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#define BLOCK_SIZE 700
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#define RSYNC_RSH_ENV "RSYNC_RSH"
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#define RSYNC_RSH_IO_ENV "RSYNC_RSH_IO"
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#define RSYNC_NAME "rsync"
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/* RSYNCD_SYSCONF is now set in config.h */
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#define RSYNCD_USERCONF "rsyncd.conf"
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#define DEFAULT_LOCK_FILE "/var/run/rsyncd.lock"
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#define URL_PREFIX "rsync://"
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#define BACKUP_SUFFIX "~"
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/* a non-zero CHAR_OFFSET makes the rolling sum stronger, but is
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incompatible with older versions :-( */
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#define CHAR_OFFSET 0
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/* These flags are only used during the flist transfer. */
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#define XMIT_TOP_DIR (1<<0)
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#define XMIT_SAME_MODE (1<<1)
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#define XMIT_EXTENDED_FLAGS (1<<2)
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#define XMIT_SAME_RDEV_pre28 XMIT_EXTENDED_FLAGS /* Only in protocols < 28 */
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#define XMIT_SAME_UID (1<<3)
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#define XMIT_SAME_GID (1<<4)
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#define XMIT_SAME_NAME (1<<5)
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#define XMIT_LONG_NAME (1<<6)
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#define XMIT_SAME_TIME (1<<7)
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#define XMIT_SAME_RDEV_MAJOR (1<<8)
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#define XMIT_HAS_IDEV_DATA (1<<9)
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#define XMIT_SAME_DEV (1<<10)
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#define XMIT_RDEV_MINOR_IS_SMALL (1<<11)
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/* These flags are used in the live flist data. */
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#define FLAG_TOP_DIR (1<<0)
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#define FLAG_HLINK_EOL (1<<1) /* receiver/generator */
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#define FLAG_MOUNT_POINT (1<<2) /* sender */
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#define FLAG_NO_FUZZY (1<<2) /* generator */
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#define FLAG_DEL_HERE (1<<3) /* receiver/generator */
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#define FLAG_SENT (1<<3) /* sender */
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#define FLAG_HLINK_TOL (1<<4) /* receiver/generator */
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/* update this if you make incompatible changes */
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#define PROTOCOL_VERSION 29
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/* We refuse to interoperate with versions that are not in this range.
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* Note that we assume we'll work with later versions: the onus is on
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* people writing them to make sure that they don't send us anything
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* we won't understand.
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*
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* Interoperation with old but supported protocol versions
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* should cause a warning to be printed. At a future date
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* the old protocol will become the minimum and
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* compatibility code removed.
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*
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* There are two possible explanations for the limit at
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* MAX_PROTOCOL_VERSION: either to allow new major-rev versions that
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* do not interoperate with us, and (more likely) so that we can
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* detect an attempt to connect rsync to a non-rsync server, which is
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* unlikely to begin by sending a byte between MIN_PROTOCL_VERSION and
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* MAX_PROTOCOL_VERSION. */
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#define MIN_PROTOCOL_VERSION 20
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#define OLD_PROTOCOL_VERSION 25
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#define MAX_PROTOCOL_VERSION 40
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#define RSYNC_PORT 873
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#define SPARSE_WRITE_SIZE (1024)
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#define WRITE_SIZE (32*1024)
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#define CHUNK_SIZE (32*1024)
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#define MAX_MAP_SIZE (256*1024)
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#define IO_BUFFER_SIZE (4092)
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#define MAX_BLOCK_SIZE ((int32)1 << 29)
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#define IOERR_GENERAL (1<<0) /* For backward compatibility, this must == 1 */
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#define IOERR_VANISHED (1<<1)
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#define IOERR_DEL_LIMIT (1<<2)
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#define MAX_ARGS 1000
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#define MAX_BASIS_DIRS 20
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#define MPLEX_BASE 7
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#define NO_FILTERS 0
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#define SERVER_FILTERS 1
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#define ALL_FILTERS 2
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#define XFLG_FATAL_ERRORS (1<<0)
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#define XFLG_OLD_PREFIXES (1<<1)
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#define XFLG_ANCHORED2ABS (1<<2)
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#define PERMS_REPORT (1<<0)
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#define PERMS_SKIP_MTIME (1<<1)
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#define FULL_FLUSH 1
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#define NORMAL_FLUSH 0
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#define PDIR_CREATE 1
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#define PDIR_DELETE 0
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/* Note: 0x00 - 0x7F are used for basis_dir[] indexes! */
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#define FNAMECMP_BASIS_DIR_LOW 0x00 /* Must remain 0! */
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#define FNAMECMP_BASIS_DIR_HIGH 0x7F
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#define FNAMECMP_FNAME 0x80
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#define FNAMECMP_PARTIAL_DIR 0x81
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#define FNAMECMP_BACKUP 0x82
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#define FNAMECMP_FUZZY 0x83
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/* For calling delete_file() */
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#define DEL_NO_RECURSE (1<<1)
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#define DEL_FORCE_RECURSE (1<<2) /* recurse even w/o --force */
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#define DEL_TERSE (1<<3)
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/* For use by the itemize_changes code */
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#define ITEM_REPORT_CHECKSUM (1<<1)
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#define ITEM_REPORT_SIZE (1<<2)
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#define ITEM_REPORT_TIME (1<<3)
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#define ITEM_REPORT_PERMS (1<<4)
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#define ITEM_REPORT_OWNER (1<<5)
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#define ITEM_REPORT_GROUP (1<<6)
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#define ITEM_REPORT_XATTRS (1<<7)
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#define ITEM_BASIS_TYPE_FOLLOWS (1<<11)
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#define ITEM_XNAME_FOLLOWS (1<<12)
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#define ITEM_IS_NEW (1<<13)
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#define ITEM_LOCAL_CHANGE (1<<14)
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#define ITEM_TRANSFER (1<<15)
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/* These are outside the range of the transmitted flags. */
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#define ITEM_NO_DEST_AND_NO_UPDATE (1<<16) /* used by itemize() */
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#define ITEM_MISSING_DATA (1<<16) /* used by log_formatted() */
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#define ITEM_DELETED (1<<17) /* used by log_formatted() */
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#define SIGNIFICANT_ITEM_FLAGS (~(\
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ITEM_BASIS_TYPE_FOLLOWS | ITEM_XNAME_FOLLOWS | ITEM_LOCAL_CHANGE))
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/* Log-message categories. FLOG and FCLIENT are only used on the daemon
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* side for custom logging -- they don't get sent over the socket. */
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enum logcode { FERROR=1, FINFO=2, FLOG=3, FCLIENT=4 };
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/* Messages types that are sent over the message channel. The logcode
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* values must all be present here with identical numbers. */
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enum msgcode {
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MSG_DATA=0, /* raw data on the multiplexed stream */
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MSG_ERROR=FERROR, MSG_INFO=FINFO, /* remote logging */
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MSG_LOG=FLOG, MSG_FCLIENT=FCLIENT, /* sibling logging */
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MSG_REDO=9, /* reprocess indicated flist index */
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MSG_SUCCESS=100,/* successfully updated indicated flist index */
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MSG_DELETED=101,/* successfully deleted a file on receiving side */
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MSG_DONE=86 /* current phase is done */
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};
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#include "errcode.h"
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#include "config.h"
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/* The default RSYNC_RSH is always set in config.h. */
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#include <stdio.h>
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#ifdef HAVE_SYS_TYPES_H
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# include <sys/types.h>
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#endif
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#ifdef HAVE_SYS_STAT_H
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# include <sys/stat.h>
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#endif
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#ifdef STDC_HEADERS
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# include <stdlib.h>
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# include <stddef.h>
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#else
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# ifdef HAVE_STDLIB_H
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# include <stdlib.h>
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# endif
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#endif
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#ifdef HAVE_STRING_H
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# if !defined STDC_HEADERS && defined HAVE_MEMORY_H
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# include <memory.h>
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# endif
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#ifdef HAVE_SYS_PARAM_H
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#include <sys/param.h>
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#endif
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#if defined HAVE_MALLOC_H && (defined HAVE_MALLINFO || !defined HAVE_STDLIB_H)
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#include <malloc.h>
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#endif
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#ifdef HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
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#endif
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#ifdef TIME_WITH_SYS_TIME
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#include <sys/time.h>
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#include <time.h>
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#else
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#ifdef HAVE_SYS_TIME_H
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#include <sys/time.h>
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#else
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#include <time.h>
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#endif
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#endif
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#ifdef HAVE_FCNTL_H
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#include <fcntl.h>
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#else
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#ifdef HAVE_SYS_FCNTL_H
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#include <sys/fcntl.h>
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#endif
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#endif
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#ifdef HAVE_SYS_IOCTL_H
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#include <sys/ioctl.h>
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#endif
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#ifdef HAVE_SYS_FILIO_H
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#include <sys/filio.h>
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#endif
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#include <signal.h>
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#ifdef HAVE_SYS_WAIT_H
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#include <sys/wait.h>
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#endif
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#ifdef HAVE_CTYPE_H
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#include <ctype.h>
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#endif
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#ifdef HAVE_GRP_H
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#include <grp.h>
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#endif
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#include <errno.h>
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#ifdef HAVE_UTIME_H
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#include <utime.h>
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#endif
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#ifdef HAVE_SYS_SELECT_H
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#include <sys/select.h>
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#endif
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#ifdef HAVE_SYS_MODE_H
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/* apparently AIX needs this for S_ISLNK */
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#ifndef S_ISLNK
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#include <sys/mode.h>
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#endif
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#endif
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#ifdef HAVE_GLOB_H
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#include <glob.h>
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#endif
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/* these are needed for the uid/gid mapping code */
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#include <pwd.h>
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#include <grp.h>
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#include <stdarg.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <netdb.h>
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#include <syslog.h>
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#include <sys/file.h>
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#ifdef HAVE_DIRENT_H
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# include <dirent.h>
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#else
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# define dirent direct
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# ifdef HAVE_SYS_NDIR_H
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# include <sys/ndir.h>
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# endif
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# ifdef HAVE_SYS_DIR_H
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# include <sys/dir.h>
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# endif
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# ifdef HAVE_NDIR_H
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# include <ndir.h>
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# endif
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#endif
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#ifdef MAJOR_IN_MKDEV
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#include <sys/mkdev.h>
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# if !defined makedev && (defined mkdev || defined _WIN32 || defined __WIN32__)
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# define makedev mkdev
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# endif
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#elif defined MAJOR_IN_SYSMACROS
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#include <sys/sysmacros.h>
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#endif
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#ifdef HAVE_COMPAT_H
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#include <compat.h>
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#endif
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#include <assert.h>
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#include "lib/pool_alloc.h"
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#define BOOL int
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#ifndef uchar
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#define uchar unsigned char
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#endif
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#ifdef SIGNED_CHAR_OK
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#define schar signed char
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#else
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#define schar char
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#endif
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/* Find a variable that is either exactly 32-bits or longer.
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* If some code depends on 32-bit truncation, it will need to
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* take special action in a "#if SIZEOF_INT32 > 4" section. */
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#ifndef int32
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#if SIZEOF_INT == 4
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# define int32 int
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# define SIZEOF_INT32 4
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#elif SIZEOF_LONG == 4
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# define int32 long
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# define SIZEOF_INT32 4
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#elif SIZEOF_SHORT == 4
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# define int32 short
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# define SIZEOF_INT32 4
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#elif SIZEOF_INT > 4
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# define int32 int
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# define SIZEOF_INT32 SIZEOF_INT
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#elif SIZEOF_LONG > 4
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# define int32 long
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# define SIZEOF_INT32 SIZEOF_LONG
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#else
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# error Could not find a 32-bit integer variable
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#endif
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#else
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# define SIZEOF_INT32 4
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#endif
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#ifndef uint32
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#define uint32 unsigned int32
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#endif
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#if SIZEOF_OFF_T == 8 || !SIZEOF_OFF64_T || !defined HAVE_STRUCT_STAT64
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#define OFF_T off_t
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#define STRUCT_STAT struct stat
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#else
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#define OFF_T off64_t
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#define STRUCT_STAT struct stat64
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#define USE_STAT64_FUNCS 1
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#endif
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/* CAVEAT: on some systems, int64 will really be a 32-bit integer IFF
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* that's the maximum size the file system can handle and there is no
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* 64-bit type available. The rsync source must therefore take steps
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* to ensure that any code that really requires a 64-bit integer has
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* it (e.g. the checksum code uses two 32-bit integers for its 64-bit
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* counter). */
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#if SIZEOF_OFF64_T == 8
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# define int64 off64_t
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# define SIZEOF_INT64 8
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#elif SIZEOF_LONG == 8
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# define int64 long
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# define SIZEOF_INT64 8
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#elif SIZEOF_INT == 8
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# define int64 int
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# define SIZEOF_INT64 8
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#elif SIZEOF_LONG_LONG == 8
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# define int64 long long
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# define SIZEOF_INT64 8
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#elif SIZEOF_OFF_T == 8
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# define int64 off_t
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# define SIZEOF_INT64 8
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#elif SIZEOF_INT > 8
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# define int64 int
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# define SIZEOF_INT64 SIZEOF_INT
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#elif SIZEOF_LONG > 8
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# define int64 long
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# define SIZEOF_INT64 SIZEOF_LONG
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#elif SIZEOF_LONG_LONG > 8
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# define int64 long long
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# define SIZEOF_INT64 SIZEOF_LONG_LONG
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#else
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/* As long as it gets... */
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# define int64 off_t
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# define SIZEOF_INT64 SIZEOF_OFF_T
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#endif
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/* Starting from protocol version 26, we always use 64-bit
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* ino_t and dev_t internally, even if this platform does not
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* allow files to have 64-bit inums. That's because the
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* receiver needs to find duplicate (dev,ino) tuples to detect
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* hardlinks, and it might have files coming from a platform
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* that has 64-bit inums.
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*
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* The only exception is if we're on a platform with no 64-bit type at
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* all.
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*
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* Because we use read_longint() to get these off the wire, if you
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* transfer devices or hardlinks with dev or inum > 2**32 to a machine
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* with no 64-bit types then you will get an overflow error. Probably
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* not many people have that combination of machines, and you can
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* avoid it by not preserving hardlinks or not transferring device
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* nodes. It's not clear that any other behaviour is better.
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*
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* Note that if you transfer devices from a 64-bit-devt machine (say,
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* Solaris) to a 32-bit-devt machine (say, Linux-2.2/x86) then the
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* device numbers will be truncated. But it's a kind of silly thing
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* to do anyhow.
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*
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* FIXME: I don't think the code in flist.c has ever worked on a system
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* where dev_t is a struct.
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*/
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struct idev {
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int64 inode;
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int64 dev;
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};
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#ifndef MIN
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#define MIN(a,b) ((a)<(b)?(a):(b))
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#endif
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#ifndef MAX
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#define MAX(a,b) ((a)>(b)?(a):(b))
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#endif
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#ifndef MAXHOSTNAMELEN
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#define MAXHOSTNAMELEN 256
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#endif
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/* the length of the md4 checksum */
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#define MD4_SUM_LENGTH 16
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#define SUM_LENGTH 16
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#define SHORT_SUM_LENGTH 2
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#define BLOCKSUM_BIAS 10
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|
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#ifndef MAXPATHLEN
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#define MAXPATHLEN 1024
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#endif
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#ifndef NAME_MAX
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#define NAME_MAX 255
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#endif
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#ifndef INADDR_NONE
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#define INADDR_NONE 0xffffffff
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#endif
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#ifndef IN_LOOPBACKNET
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#define IN_LOOPBACKNET 127
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#endif
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#define GID_NONE ((gid_t)-1)
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#define HL_CHECK_MASTER 0
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#define HL_SKIP 1
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struct hlink {
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int next;
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int hlindex;
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};
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#define F_DEV link_u.idev->dev
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#define F_INODE link_u.idev->inode
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#define F_HLINDEX link_u.links->hlindex
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#define F_NEXT link_u.links->next
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struct file_struct {
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union {
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dev_t rdev; /* The device number, if this is a device */
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char *sum; /* Only a normal file can have a checksum */
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char *link; /* Points to symlink string, if a symlink */
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} u;
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OFF_T length;
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char *basename; /* The current item's name (AKA filename) */
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char *dirname; /* The directory info inside the transfer */
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union {
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char *root; /* Sender-side dir info outside transfer */
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int depth; /* Receiver-side directory depth info */
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} dir;
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union {
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struct idev *idev;
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struct hlink *links;
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} link_u;
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|
time_t modtime;
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uid_t uid;
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gid_t gid;
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mode_t mode;
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uchar flags; /* this item MUST remain last */
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};
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/*
|
|
* Start the flist array at FLIST_START entries and grow it
|
|
* by doubling until FLIST_LINEAR then grow by FLIST_LINEAR
|
|
*/
|
|
#define FLIST_START (32 * 1024)
|
|
#define FLIST_LINEAR (FLIST_START * 512)
|
|
|
|
/*
|
|
* Extent size for allocation pools A minimum size of 128KB
|
|
* is needed to mmap them so that freeing will release the
|
|
* space to the OS.
|
|
*
|
|
* Larger sizes reduce leftover fragments and speed free calls
|
|
* (when they happen) Smaller sizes increase the chance of
|
|
* freed allocations freeing whole extents.
|
|
*/
|
|
#define FILE_EXTENT (256 * 1024)
|
|
#define HLINK_EXTENT (128 * 1024)
|
|
|
|
#define WITH_HLINK 1
|
|
#define WITHOUT_HLINK 0
|
|
|
|
struct file_list {
|
|
struct file_struct **files;
|
|
alloc_pool_t file_pool;
|
|
alloc_pool_t hlink_pool;
|
|
int count;
|
|
int malloced;
|
|
int low, high;
|
|
};
|
|
|
|
#define SUMFLG_SAME_OFFSET (1<<0)
|
|
|
|
struct sum_buf {
|
|
OFF_T offset; /**< offset in file of this chunk */
|
|
int32 len; /**< length of chunk of file */
|
|
uint32 sum1; /**< simple checksum */
|
|
short flags; /**< flag bits */
|
|
char sum2[SUM_LENGTH]; /**< checksum */
|
|
};
|
|
|
|
struct sum_struct {
|
|
OFF_T flength; /**< total file length */
|
|
struct sum_buf *sums; /**< points to info for each chunk */
|
|
int32 count; /**< how many chunks */
|
|
int32 blength; /**< block_length */
|
|
int32 remainder; /**< flength % block_length */
|
|
int s2length; /**< sum2_length */
|
|
};
|
|
|
|
struct map_struct {
|
|
OFF_T file_size; /* File size (from stat) */
|
|
OFF_T p_offset; /* Window start */
|
|
OFF_T p_fd_offset; /* offset of cursor in fd ala lseek */
|
|
char *p; /* Window pointer */
|
|
int32 p_size; /* Largest window size we allocated */
|
|
int32 p_len; /* Latest (rounded) window size */
|
|
int32 def_window_size; /* Default window size */
|
|
int fd; /* File Descriptor */
|
|
int status; /* first errno from read errors */
|
|
};
|
|
|
|
#define MATCHFLG_WILD (1<<0) /* pattern has '*', '[', and/or '?' */
|
|
#define MATCHFLG_WILD2 (1<<1) /* pattern has '**' */
|
|
#define MATCHFLG_WILD2_PREFIX (1<<2) /* pattern starts with '**' */
|
|
#define MATCHFLG_ABS_PATH (1<<3) /* path-match on absolute path */
|
|
#define MATCHFLG_INCLUDE (1<<4) /* this is an include, not an exclude */
|
|
#define MATCHFLG_DIRECTORY (1<<5) /* this matches only directories */
|
|
#define MATCHFLG_CLEAR_LIST (1<<6) /* this item is the "!" token */
|
|
#define MATCHFLG_WORD_SPLIT (1<<7) /* split rules on whitespace */
|
|
#define MATCHFLG_NO_INHERIT (1<<8) /* don't inherit these rules */
|
|
#define MATCHFLG_NO_PREFIXES (1<<9) /* parse no prefixes from patterns */
|
|
#define MATCHFLG_MERGE_FILE (1<<10)/* specifies a file to merge */
|
|
#define MATCHFLG_PERDIR_MERGE (1<<11)/* merge-file is searched per-dir */
|
|
#define MATCHFLG_EXCLUDE_SELF (1<<12)/* merge-file name should be excluded */
|
|
#define MATCHFLG_FINISH_SETUP (1<<13)/* per-dir merge file needs setup */
|
|
#define MATCHFLG_NEGATE (1<<14)/* rule matches when pattern does not */
|
|
#define MATCHFLG_CVS_IGNORE (1<<15)/* rule was -C or :C */
|
|
#define MATCHFLG_SENDER_SIDE (1<<16)/* rule applies to the sending side */
|
|
#define MATCHFLG_RECEIVER_SIDE (1<<17)/* rule applies to the receiving side */
|
|
|
|
#define MATCHFLGS_FROM_CONTAINER (MATCHFLG_ABS_PATH | MATCHFLG_INCLUDE \
|
|
| MATCHFLG_DIRECTORY | MATCHFLG_SENDER_SIDE \
|
|
| MATCHFLG_NEGATE | MATCHFLG_RECEIVER_SIDE)
|
|
|
|
struct filter_struct {
|
|
struct filter_struct *next;
|
|
char *pattern;
|
|
uint32 match_flags;
|
|
union {
|
|
int slash_cnt;
|
|
struct filter_list_struct *mergelist;
|
|
} u;
|
|
};
|
|
|
|
struct filter_list_struct {
|
|
struct filter_struct *head;
|
|
struct filter_struct *tail;
|
|
char *debug_type;
|
|
};
|
|
|
|
struct stats {
|
|
int64 total_size;
|
|
int64 total_transferred_size;
|
|
int64 total_written;
|
|
int64 total_read;
|
|
int64 literal_data;
|
|
int64 matched_data;
|
|
int64 flist_buildtime;
|
|
int64 flist_xfertime;
|
|
int flist_size;
|
|
int num_files;
|
|
int num_transferred_files;
|
|
int current_file_index;
|
|
};
|
|
|
|
|
|
#include "byteorder.h"
|
|
#include "lib/mdfour.h"
|
|
#include "lib/wildmatch.h"
|
|
#include "lib/permstring.h"
|
|
#include "lib/addrinfo.h"
|
|
|
|
#include "proto.h"
|
|
|
|
/* We have replacement versions of these if they're missing. */
|
|
#ifndef HAVE_ASPRINTF
|
|
int asprintf(char **ptr, const char *format, ...);
|
|
#endif
|
|
|
|
#ifndef HAVE_VASPRINTF
|
|
int vasprintf(char **ptr, const char *format, va_list ap);
|
|
#endif
|
|
|
|
#if !defined HAVE_VSNPRINTF || !defined HAVE_C99_VSNPRINTF
|
|
#define vsnprintf rsync_vsnprintf
|
|
int vsnprintf(char *str, size_t count, const char *fmt, va_list args);
|
|
#endif
|
|
|
|
#if !defined HAVE_SNPRINTF || !defined HAVE_C99_VSNPRINTF
|
|
#define snprintf rsync_snprintf
|
|
int snprintf(char *str,size_t count,const char *fmt,...);
|
|
#endif
|
|
|
|
|
|
#ifndef HAVE_STRERROR
|
|
extern char *sys_errlist[];
|
|
#define strerror(i) sys_errlist[i]
|
|
#endif
|
|
|
|
#ifndef HAVE_STRCHR
|
|
# define strchr index
|
|
# define strrchr rindex
|
|
#endif
|
|
|
|
#ifndef HAVE_ERRNO_DECL
|
|
extern int errno;
|
|
#endif
|
|
|
|
#ifdef HAVE_READLINK
|
|
#define SUPPORT_LINKS 1
|
|
#endif
|
|
#ifdef HAVE_LINK
|
|
#define SUPPORT_HARD_LINKS 1
|
|
#endif
|
|
|
|
#define SIGNAL_CAST (RETSIGTYPE (*)())
|
|
|
|
#ifndef EWOULDBLOCK
|
|
#define EWOULDBLOCK EAGAIN
|
|
#endif
|
|
|
|
#ifndef STDIN_FILENO
|
|
#define STDIN_FILENO 0
|
|
#endif
|
|
|
|
#ifndef STDOUT_FILENO
|
|
#define STDOUT_FILENO 1
|
|
#endif
|
|
|
|
#ifndef STDERR_FILENO
|
|
#define STDERR_FILENO 2
|
|
#endif
|
|
|
|
#ifndef S_IRUSR
|
|
#define S_IRUSR 0400
|
|
#endif
|
|
|
|
#ifndef S_IWUSR
|
|
#define S_IWUSR 0200
|
|
#endif
|
|
|
|
#ifndef ACCESSPERMS
|
|
#define ACCESSPERMS 0777
|
|
#endif
|
|
|
|
#ifndef S_ISVTX
|
|
#define S_ISVTX 0
|
|
#endif
|
|
|
|
#define CHMOD_BITS (S_ISUID | S_ISGID | S_ISVTX | ACCESSPERMS)
|
|
|
|
#ifndef _S_IFMT
|
|
#define _S_IFMT 0170000
|
|
#endif
|
|
|
|
#ifndef _S_IFLNK
|
|
#define _S_IFLNK 0120000
|
|
#endif
|
|
|
|
#ifndef S_ISLNK
|
|
#define S_ISLNK(mode) (((mode) & (_S_IFMT)) == (_S_IFLNK))
|
|
#endif
|
|
|
|
#ifndef S_ISBLK
|
|
#define S_ISBLK(mode) (((mode) & (_S_IFMT)) == (_S_IFBLK))
|
|
#endif
|
|
|
|
#ifndef S_ISCHR
|
|
#define S_ISCHR(mode) (((mode) & (_S_IFMT)) == (_S_IFCHR))
|
|
#endif
|
|
|
|
#ifndef S_ISSOCK
|
|
#ifdef _S_IFSOCK
|
|
#define S_ISSOCK(mode) (((mode) & (_S_IFMT)) == (_S_IFSOCK))
|
|
#else
|
|
#define S_ISSOCK(mode) (0)
|
|
#endif
|
|
#endif
|
|
|
|
#ifndef S_ISFIFO
|
|
#ifdef _S_IFIFO
|
|
#define S_ISFIFO(mode) (((mode) & (_S_IFMT)) == (_S_IFIFO))
|
|
#else
|
|
#define S_ISFIFO(mode) (0)
|
|
#endif
|
|
#endif
|
|
|
|
#ifndef S_ISDIR
|
|
#define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR))
|
|
#endif
|
|
|
|
#ifndef S_ISREG
|
|
#define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG))
|
|
#endif
|
|
|
|
/* work out what fcntl flag to use for non-blocking */
|
|
#ifdef O_NONBLOCK
|
|
# define NONBLOCK_FLAG O_NONBLOCK
|
|
#elif defined SYSV
|
|
# define NONBLOCK_FLAG O_NDELAY
|
|
#else
|
|
# define NONBLOCK_FLAG FNDELAY
|
|
#endif
|
|
|
|
#ifndef INADDR_LOOPBACK
|
|
#define INADDR_LOOPBACK 0x7f000001
|
|
#endif
|
|
|
|
#ifndef INADDR_NONE
|
|
#define INADDR_NONE 0xffffffff
|
|
#endif
|
|
|
|
#define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode) || S_ISSOCK(mode) || S_ISFIFO(mode))
|
|
|
|
/* Initial mask on permissions given to temporary files. Mask off setuid
|
|
bits and group access because of potential race-condition security
|
|
holes, and mask other access because mode 707 is bizarre */
|
|
#define INITACCESSPERMS 0700
|
|
|
|
/* handler for null strings in printf format */
|
|
#define NS(s) ((s)?safe_fname(s):"<NULL>")
|
|
|
|
#if !defined __GNUC__ || defined __APPLE__
|
|
/* Apparently the OS X port of gcc gags on __attribute__.
|
|
*
|
|
* <http://www.opensource.apple.com/bugs/X/gcc/2512150.html> */
|
|
#define __attribute__(x)
|
|
|
|
#endif
|
|
|
|
/* Convenient wrappers for malloc and realloc. Use them. */
|
|
#define new(type) ((type *)malloc(sizeof(type)))
|
|
#define new_array(type, num) ((type *)_new_array(sizeof(type), (num)))
|
|
#define realloc_array(ptr, type, num) ((type *)_realloc_array((ptr), sizeof(type), (num)))
|
|
|
|
/* use magic gcc attributes to catch format errors */
|
|
void rprintf(enum logcode , const char *, ...)
|
|
__attribute__((format (printf, 2, 3)))
|
|
;
|
|
|
|
/* This is just like rprintf, but it also tries to print some
|
|
* representation of the error code. Normally errcode = errno. */
|
|
void rsyserr(enum logcode, int, const char *, ...)
|
|
__attribute__((format (printf, 3, 4)))
|
|
;
|
|
|
|
#ifdef REPLACE_INET_NTOA
|
|
#define inet_ntoa rep_inet_ntoa
|
|
#endif
|
|
|
|
/* Make sure that the O_BINARY flag is defined. */
|
|
#ifndef O_BINARY
|
|
#define O_BINARY 0
|
|
#endif
|
|
|
|
#ifndef HAVE_STRLCPY
|
|
size_t strlcpy(char *d, const char *s, size_t bufsize);
|
|
#endif
|
|
|
|
#ifndef HAVE_STRLCAT
|
|
size_t strlcat(char *d, const char *s, size_t bufsize);
|
|
#endif
|
|
|
|
#ifndef WEXITSTATUS
|
|
#define WEXITSTATUS(stat) ((int)(((stat)>>8)&0xFF))
|
|
#endif
|
|
|
|
#define exit_cleanup(code) _exit_cleanup(code, __FILE__, __LINE__)
|
|
|
|
#ifdef HAVE_GETEUID
|
|
#define MY_UID() geteuid()
|
|
#else
|
|
#define MY_UID() getuid()
|
|
#endif
|
|
|
|
#ifdef HAVE_GETEGID
|
|
#define MY_GID() getegid()
|
|
#else
|
|
#define MY_GID() getgid()
|
|
#endif
|
|
|
|
extern int verbose;
|
|
|
|
#ifndef HAVE_INET_NTOP
|
|
const char *inet_ntop(int af, const void *src, char *dst, size_t size);
|
|
#endif
|
|
|
|
#ifndef HAVE_INET_PTON
|
|
int inet_pton(int af, const char *src, void *dst);
|
|
#endif
|
|
|
|
#ifdef MAINTAINER_MODE
|
|
const char *get_panic_action(void);
|
|
#endif
|
|
|
|
#define UNUSED(x) x __attribute__((__unused__))
|
|
|
|
extern const char *io_write_phase, *io_read_phase;
|