diff options
Diffstat (limited to 'rsync.h')
-rw-r--r-- | rsync.h | 1486 |
1 files changed, 1486 insertions, 0 deletions
@@ -0,0 +1,1486 @@ +/* + * Copyright (C) 1996, 2000 Andrew Tridgell + * Copyright (C) 1996 Paul Mackerras + * Copyright (C) 2001, 2002 Martin Pool <mbp@samba.org> + * Copyright (C) 2003-2022 Wayne Davison + * + * 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 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. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, visit the http://fsf.org website. + */ + +#define False 0 +#define True 1 +#define Unset (-1) /* Our BOOL values are always an int. */ + +#define BLOCK_SIZE 700 +#define RSYNC_RSH_ENV "RSYNC_RSH" +#define RSYNC_RSH_IO_ENV "RSYNC_RSH_IO" + +#define RSYNC_NAME "rsync" +/* RSYNCD_SYSCONF is now set in config.h */ +#define RSYNCD_USERCONF "rsyncd.conf" + +#define DEFAULT_LOCK_FILE "/var/run/rsyncd.lock" +#define URL_PREFIX "rsync://" + +#define SYMLINK_PREFIX "/rsyncd-munged/" /* This MUST have a trailing slash! */ +#define SYMLINK_PREFIX_LEN ((int)sizeof SYMLINK_PREFIX - 1) + +#define BACKUP_SUFFIX "~" + +/* a non-zero CHAR_OFFSET makes the rolling sum stronger, but is + incompatible with older versions :-( */ +#define CHAR_OFFSET 0 + +/* These flags are only used during the flist transfer. */ + +#define XMIT_TOP_DIR (1<<0) +#define XMIT_SAME_MODE (1<<1) +#define XMIT_SAME_RDEV_pre28 (1<<2) /* protocols 20 - 27 */ +#define XMIT_EXTENDED_FLAGS (1<<2) /* protocols 28 - now */ +#define XMIT_SAME_UID (1<<3) +#define XMIT_SAME_GID (1<<4) +#define XMIT_SAME_NAME (1<<5) +#define XMIT_LONG_NAME (1<<6) +#define XMIT_SAME_TIME (1<<7) + +#define XMIT_SAME_RDEV_MAJOR (1<<8) /* protocols 28 - now (devices only) */ +#define XMIT_NO_CONTENT_DIR (1<<8) /* protocols 30 - now (dirs only) */ +#define XMIT_HLINKED (1<<9) /* protocols 28 - now (non-dirs) */ +#define XMIT_SAME_DEV_pre30 (1<<10) /* protocols 28 - 29 */ +#define XMIT_USER_NAME_FOLLOWS (1<<10) /* protocols 30 - now */ +#define XMIT_RDEV_MINOR_8_pre30 (1<<11) /* protocols 28 - 29 */ +#define XMIT_GROUP_NAME_FOLLOWS (1<<11) /* protocols 30 - now */ +#define XMIT_HLINK_FIRST (1<<12) /* protocols 30 - now (HLINKED files only) */ +#define XMIT_IO_ERROR_ENDLIST (1<<12) /* protocols 31*- now (w/XMIT_EXTENDED_FLAGS) (also protocol 30 w/'f' compat flag) */ +#define XMIT_MOD_NSEC (1<<13) /* protocols 31 - now */ +#define XMIT_SAME_ATIME (1<<14) /* any protocol - restricted by command-line option */ +#define XMIT_UNUSED_15 (1<<15) /* unused flag bit */ + +/* The following XMIT flags require an rsync that uses a varint for the flag values */ + +#define XMIT_RESERVED_16 (1<<16) /* reserved for future fileflags use */ +#define XMIT_CRTIME_EQ_MTIME (1<<17) /* any protocol - restricted by command-line option */ + +/* These flags are used in the live flist data. */ + +#define FLAG_TOP_DIR (1<<0) /* sender/receiver/generator */ +#define FLAG_OWNED_BY_US (1<<0) /* generator: set by make_file() for aux flists only */ +#define FLAG_FILE_SENT (1<<1) /* sender/receiver/generator */ +#define FLAG_DIR_CREATED (1<<1) /* generator */ +#define FLAG_CONTENT_DIR (1<<2) /* sender/receiver/generator */ +#define FLAG_MOUNT_DIR (1<<3) /* sender/generator (dirs only) */ +#define FLAG_SKIP_HLINK (1<<3) /* receiver/generator (w/FLAG_HLINKED) */ +#define FLAG_DUPLICATE (1<<4) /* sender */ +#define FLAG_MISSING_DIR (1<<4) /* generator */ +#define FLAG_HLINKED (1<<5) /* receiver/generator (checked on all types) */ +#define FLAG_HLINK_FIRST (1<<6) /* receiver/generator (w/FLAG_HLINKED) */ +#define FLAG_IMPLIED_DIR (1<<6) /* sender/receiver/generator (dirs only) */ +#define FLAG_HLINK_LAST (1<<7) /* receiver/generator */ +#define FLAG_HLINK_DONE (1<<8) /* receiver/generator (checked on all types) */ +#define FLAG_LENGTH64 (1<<9) /* sender/receiver/generator */ +#define FLAG_SKIP_GROUP (1<<10) /* receiver/generator */ +#define FLAG_TIME_FAILED (1<<11)/* generator */ +#define FLAG_MOD_NSEC (1<<12) /* sender/receiver/generator */ + +/* These flags are passed to functions but not stored. */ + +#define FLAG_DIVERT_DIRS (1<<16) /* sender, but must be unique */ +#define FLAG_PERHAPS_DIR (1<<17) /* generator */ + +/* These flags are for get_dirlist(). */ +#define GDL_IGNORE_FILTER_RULES (1<<0) +#define GDL_PERHAPS_DIR (1<<1) + +/* Some helper macros for matching bits. */ +#define BITS_SET(val,bits) (((val) & (bits)) == (bits)) +#define BITS_SETnUNSET(val,onbits,offbits) (((val) & ((onbits)|(offbits))) == (onbits)) +#define BITS_EQUAL(b1,b2,mask) (((unsigned)(b1) & (unsigned)(mask)) \ + == ((unsigned)(b2) & (unsigned)(mask))) + +/* Update this if you make incompatible changes and ALSO update the + * SUBPROTOCOL_VERSION if it is not a final (official) release. */ +#define PROTOCOL_VERSION 31 + +/* This is used when working on a new protocol version or for any unofficial + * protocol tweaks. It should be a non-zero value for each pre-release repo + * change that affects the protocol. The official pre-release versions should + * start with 1 (after incrementing the PROTOCOL_VERSION) and go up by 1 for + * each new protocol change. For unofficial changes, pick a fairly large + * random number that will hopefully not collide with anyone else's unofficial + * protocol. It must ALWAYS be 0 when the protocol goes final (and official) + * and NEVER before! When rsync negotiates a protocol match, it will only + * allow the newest protocol to be used if the SUBPROTOCOL_VERSION matches. + * All older protocol versions MUST be compatible with the final, official + * release of the protocol, so don't tweak the code to change the protocol + * behavior for an older protocol version. */ +#define SUBPROTOCOL_VERSION 0 + +/* We refuse to interoperate with versions that are not in this range. + * Note that we assume we'll work with later versions: the onus is on + * people writing them to make sure that they don't send us anything + * we won't understand. + * + * Interoperation with old but supported protocol versions + * should cause a warning to be printed. At a future date + * the old protocol will become the minimum and + * compatibility code removed. + * + * There are two possible explanations for the limit at + * MAX_PROTOCOL_VERSION: either to allow new major-rev versions that + * do not interoperate with us, and (more likely) so that we can + * detect an attempt to connect rsync to a non-rsync server, which is + * unlikely to begin by sending a byte between MIN_PROTOCL_VERSION and + * MAX_PROTOCOL_VERSION. */ + +#define MIN_PROTOCOL_VERSION 20 +#define OLD_PROTOCOL_VERSION 25 +#define MAX_PROTOCOL_VERSION 40 + +#define MIN_FILECNT_LOOKAHEAD 1000 +#define MAX_FILECNT_LOOKAHEAD 10000 + +#define RSYNC_PORT 873 + +#define SPARSE_WRITE_SIZE (1024) +#define WRITE_SIZE (32*1024) +#define CHUNK_SIZE (32*1024) +#define MAX_MAP_SIZE (256*1024) +#define IO_BUFFER_SIZE (32*1024) +#define MAX_BLOCK_SIZE ((int32)1 << 17) + +/* For compatibility with older rsyncs */ +#define OLD_MAX_BLOCK_SIZE ((int32)1 << 29) + +#define ROUND_UP_1024(siz) ((siz) & (1024-1) ? ((siz) | (1024-1)) + 1 : (siz)) + +#define IOERR_GENERAL (1<<0) /* For backward compatibility, this must == 1 */ +#define IOERR_VANISHED (1<<1) +#define IOERR_DEL_LIMIT (1<<2) + +#define MAX_ARGS 1000 +#define MAX_BASIS_DIRS 20 +#define MAX_SERVER_ARGS (MAX_BASIS_DIRS*2 + 100) + +#define COMPARE_DEST 1 +#define COPY_DEST 2 +#define LINK_DEST 3 + +#define MPLEX_BASE 7 + +#define NO_FILTERS 0 +#define SERVER_FILTERS 1 +#define ALL_FILTERS 2 + +#define XFLG_FATAL_ERRORS (1<<0) +#define XFLG_OLD_PREFIXES (1<<1) +#define XFLG_ANCHORED2ABS (1<<2) /* leading slash indicates absolute */ +#define XFLG_ABS_IF_SLASH (1<<3) /* leading or interior slash is absolute */ +#define XFLG_DIR2WILD3 (1<<4) /* dir/ match gets trailing *** added */ + +#define ATTRS_REPORT (1<<0) +#define ATTRS_SKIP_MTIME (1<<1) +#define ATTRS_ACCURATE_TIME (1<<2) +#define ATTRS_SKIP_ATIME (1<<3) +#define ATTRS_SKIP_CRTIME (1<<5) + +#define MSG_FLUSH 2 +#define FULL_FLUSH 1 +#define NORMAL_FLUSH 0 + +#define PDIR_CREATE 1 +#define PDIR_DELETE 0 + +/* Note: 0x00 - 0x7F are used for basis_dir[] indexes! */ +#define FNAMECMP_BASIS_DIR_LOW 0x00 /* Must remain 0! */ +#define FNAMECMP_BASIS_DIR_HIGH 0x7F +#define FNAMECMP_FNAME 0x80 +#define FNAMECMP_PARTIAL_DIR 0x81 +#define FNAMECMP_BACKUP 0x82 +#define FNAMECMP_FUZZY 0x83 + +/* For use by the itemize_changes code */ +#define ITEM_REPORT_ATIME (1<<0) +#define ITEM_REPORT_CHANGE (1<<1) +#define ITEM_REPORT_SIZE (1<<2) /* regular files only */ +#define ITEM_REPORT_TIMEFAIL (1<<2) /* symlinks only */ +#define ITEM_REPORT_TIME (1<<3) +#define ITEM_REPORT_PERMS (1<<4) +#define ITEM_REPORT_OWNER (1<<5) +#define ITEM_REPORT_GROUP (1<<6) +#define ITEM_REPORT_ACL (1<<7) +#define ITEM_REPORT_XATTR (1<<8) +#define ITEM_REPORT_CRTIME (1<<10) +#define ITEM_BASIS_TYPE_FOLLOWS (1<<11) +#define ITEM_XNAME_FOLLOWS (1<<12) +#define ITEM_IS_NEW (1<<13) +#define ITEM_LOCAL_CHANGE (1<<14) +#define ITEM_TRANSFER (1<<15) +/* These are outside the range of the transmitted flags. */ +#define ITEM_MISSING_DATA (1<<16) /* used by log_formatted() */ +#define ITEM_DELETED (1<<17) /* used by log_formatted() */ +#define ITEM_MATCHED (1<<18) /* used by itemize() */ + +#define SIGNIFICANT_ITEM_FLAGS (~(\ + ITEM_BASIS_TYPE_FOLLOWS | ITEM_XNAME_FOLLOWS | ITEM_LOCAL_CHANGE)) + +#define CFN_KEEP_DOT_DIRS (1<<0) +#define CFN_KEEP_TRAILING_SLASH (1<<1) +#define CFN_DROP_TRAILING_DOT_DIR (1<<2) +#define CFN_COLLAPSE_DOT_DOT_DIRS (1<<3) +#define CFN_REFUSE_DOT_DOT_DIRS (1<<4) + +#define SP_DEFAULT 0 +#define SP_KEEP_DOT_DIRS (1<<0) + +#define CD_NORMAL 0 +#define CD_SKIP_CHDIR 1 + +/* Log-message categories. FLOG only goes to the log file, not the client; + * FCLIENT is the opposite. */ +enum logcode { + FNONE=0, /* never sent */ + FERROR_XFER=1, FINFO=2, /* sent over socket for any protocol */ + FERROR=3, FWARNING=4, /* sent over socket for protocols >= 30 */ + FERROR_SOCKET=5, FLOG=6, /* only sent via receiver -> generator pipe */ + FERROR_UTF8=8, /* only sent via receiver -> generator pipe */ + FCLIENT=7 /* never transmitted (e.g. server converts to FINFO) */ +}; + +/* Messages types that are sent over the message channel. The logcode + * values must all be present here with identical numbers. */ +enum msgcode { + MSG_DATA=0, /* raw data on the multiplexed stream */ + MSG_ERROR_XFER=FERROR_XFER, MSG_INFO=FINFO, /* remote logging */ + MSG_ERROR=FERROR, MSG_WARNING=FWARNING, /* protocol-30 remote logging */ + MSG_ERROR_SOCKET=FERROR_SOCKET, /* sibling logging */ + MSG_ERROR_UTF8=FERROR_UTF8, /* sibling logging */ + MSG_LOG=FLOG, MSG_CLIENT=FCLIENT, /* sibling logging */ + MSG_REDO=9, /* reprocess indicated flist index */ + MSG_STATS=10, /* message has stats data for generator */ + MSG_IO_ERROR=22,/* the sending side had an I/O error */ + MSG_IO_TIMEOUT=33,/* tell client about a daemon's timeout value */ + MSG_NOOP=42, /* a do-nothing message (legacy protocol-30 only) */ + MSG_ERROR_EXIT=86, /* synchronize an error exit (siblings and protocol >= 31) */ + MSG_SUCCESS=100,/* successfully updated indicated flist index */ + MSG_DELETED=101,/* successfully deleted a file on receiving side */ + MSG_NO_SEND=102,/* sender failed to open a file we wanted */ +}; + +enum filetype { + FT_UNSUPPORTED, FT_REG, FT_DIR, FT_SYMLINK, FT_SPECIAL, FT_DEVICE +}; + +#define NDX_DONE -1 +#define NDX_FLIST_EOF -2 +#define NDX_DEL_STATS -3 +#define NDX_FLIST_OFFSET -101 + +/* For calling delete_item() and delete_dir_contents(). */ +#define DEL_NO_UID_WRITE (1<<0) /* file/dir has our uid w/o write perm */ +#define DEL_RECURSE (1<<1) /* if dir, delete all contents */ +#define DEL_DIR_IS_EMPTY (1<<2) /* internal delete_FUNCTIONS use only */ +#define DEL_FOR_FILE (1<<3) /* making room for a replacement file */ +#define DEL_FOR_DIR (1<<4) /* making room for a replacement dir */ +#define DEL_FOR_SYMLINK (1<<5) /* making room for a replacement symlink */ +#define DEL_FOR_DEVICE (1<<6) /* making room for a replacement device */ +#define DEL_FOR_SPECIAL (1<<7) /* making room for a replacement special */ +#define DEL_FOR_BACKUP (1<<8) /* the delete is for a backup operation */ + +#define DEL_MAKE_ROOM (DEL_FOR_FILE|DEL_FOR_DIR|DEL_FOR_SYMLINK|DEL_FOR_DEVICE|DEL_FOR_SPECIAL) + +enum delret { + DR_SUCCESS = 0, DR_FAILURE, DR_AT_LIMIT, DR_NOT_EMPTY +}; + +/* Defines for make_path() */ +#define MKP_DROP_NAME (1<<0) /* drop trailing filename or trailing slash */ +#define MKP_SKIP_SLASH (1<<1) /* skip one or more leading slashes */ + +/* Defines for maybe_send_keepalive() */ +#define MSK_ALLOW_FLUSH (1<<0) +#define MSK_ACTIVE_RECEIVER (1<<1) + +#include "errcode.h" + +#include "config.h" + +/* The default RSYNC_RSH is always set in config.h. */ + +#include <stdio.h> +#ifdef HAVE_SYS_TYPES_H +# include <sys/types.h> +#endif +#ifdef HAVE_SYS_STAT_H +# include <sys/stat.h> +#endif +#ifdef STDC_HEADERS +# include <stdlib.h> +# include <stddef.h> +#else +# ifdef HAVE_STDLIB_H +# include <stdlib.h> +# endif +#endif +#ifdef HAVE_STRING_H +# if !defined STDC_HEADERS && defined HAVE_MEMORY_H +# include <memory.h> +# endif +# include <string.h> +#endif +#ifdef HAVE_BSD_STRING_H +# include <bsd/string.h> +#endif +#ifdef HAVE_STRINGS_H +# include <strings.h> +#endif +#ifdef HAVE_INTTYPES_H +# include <inttypes.h> +#endif +#ifdef HAVE_STDINT_H +# include <stdint.h> +#endif +#ifdef HAVE_UNISTD_H +# include <unistd.h> +#endif + +#ifdef HAVE_SYS_PARAM_H +#include <sys/param.h> +#endif + +#if defined HAVE_MALLOC_H && (defined HAVE_MALLINFO || !defined HAVE_STDLIB_H) +#include <malloc.h> +#endif + +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif + +#ifdef HAVE_SYS_TIME_H +#include <sys/time.h> +#endif +#include <time.h> + +#ifdef HAVE_FCNTL_H +#include <fcntl.h> +#else +#ifdef HAVE_SYS_FCNTL_H +#include <sys/fcntl.h> +#endif +#endif + +#ifdef HAVE_SYS_IOCTL_H +#include <sys/ioctl.h> +#endif + +#ifdef HAVE_SYS_FILIO_H +#include <sys/filio.h> +#endif + +#include <signal.h> +#ifdef HAVE_SYS_WAIT_H +#include <sys/wait.h> +#endif +#ifdef HAVE_CTYPE_H +#include <ctype.h> +#endif +#ifdef HAVE_GRP_H +#include <grp.h> +#endif +#include <errno.h> + +#ifdef HAVE_UTIME_H +#include <utime.h> +#endif + +#if defined HAVE_UTIMENSAT || defined HAVE_LUTIMES || defined HAVE_SETATTRLIST +#define CAN_SET_SYMLINK_TIMES 1 +#endif + +#if defined HAVE_LCHOWN || defined CHOWN_MODIFIES_SYMLINK +#define CAN_CHOWN_SYMLINK 1 +#endif + +#if defined HAVE_LCHMOD || defined HAVE_SETATTRLIST +#define CAN_CHMOD_SYMLINK 1 +#endif + +#if defined HAVE_UTIMENSAT || defined HAVE_SETATTRLIST +#define CAN_SET_NSEC 1 +#endif + +#ifdef CAN_SET_NSEC +#ifdef HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC +#define ST_MTIME_NSEC st_mtim.tv_nsec +#define ST_ATIME_NSEC st_atim.tv_nsec +#elif defined(HAVE_STRUCT_STAT_ST_MTIMENSEC) +#define ST_MTIME_NSEC st_mtimensec +#define ST_ATIME_NSEC st_atimensec +#elif defined(HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC) +#define ST_MTIME_NSEC st_mtimespec.tv_nsec +#define ST_ATIME_NSEC st_atimespec.tv_nsec +#endif +#endif + +#ifdef HAVE_SYS_SELECT_H +#include <sys/select.h> +#endif + +#ifdef HAVE_SYS_MODE_H +/* apparently AIX needs this for S_ISLNK */ +#ifndef S_ISLNK +#include <sys/mode.h> +#endif +#endif + +/* these are needed for the uid/gid mapping code */ +#include <pwd.h> +#include <grp.h> + +#include <stdarg.h> +#include <netinet/in.h> +#include <arpa/inet.h> +#ifdef HAVE_NETDB_H +#include <netdb.h> +#endif +#include <syslog.h> +#ifdef HAVE_SYS_FILE_H +#include <sys/file.h> +#endif + +#ifdef HAVE_DIRENT_H +# include <dirent.h> +#else +# define dirent direct +# ifdef HAVE_SYS_NDIR_H +# include <sys/ndir.h> +# endif +# ifdef HAVE_SYS_DIR_H +# include <sys/dir.h> +# endif +# ifdef HAVE_NDIR_H +# include <ndir.h> +# endif +#endif + +#ifdef MAJOR_IN_MKDEV +#include <sys/mkdev.h> +# if !defined makedev && (defined mkdev || defined _WIN32 || defined __WIN32__) +# define makedev mkdev +# endif +#elif defined MAJOR_IN_SYSMACROS +#include <sys/sysmacros.h> +#endif + +#ifdef MAKEDEV_TAKES_3_ARGS +#define MAKEDEV(devmajor,devminor) makedev(0,devmajor,devminor) +#else +#ifndef __TANDEM +#define MAKEDEV(devmajor,devminor) makedev(devmajor,devminor) +#else +# define major DEV_TO_MAJOR +# define minor DEV_TO_MINOR +# define MAKEDEV MAJORMINOR_TO_DEV +#endif +#endif + +#ifdef __TANDEM +# include <floss.h(floss_read,floss_write,floss_fork,floss_execvp)> +# include <floss.h(floss_getpwuid,floss_select,floss_seteuid)> +# define S_IEXEC S_IXUSR +# define ROOT_UID 65535 +#else +# define ROOT_UID 0 +#endif + +#ifdef HAVE_COMPAT_H +#include <compat.h> +#endif + +#ifdef HAVE_LIMITS_H +# include <limits.h> +#endif + +#if defined USE_ICONV_OPEN && defined HAVE_ICONV_H +#include <iconv.h> +#ifndef ICONV_CONST +#define ICONV_CONST +#endif +#else +#ifdef ICONV_CONST +#undef ICONV_CONST +#endif +#ifdef ICONV_OPTION +#undef ICONV_OPTION +#endif +#ifdef iconv_t +#undef iconv_t +#endif +#define iconv_t int +#endif + +#include <assert.h> + +#include "lib/pool_alloc.h" + +#ifndef HAVE_ID_T +typedef unsigned int id_t; +#endif +#ifndef HAVE_PID_T +typedef int pid_t; +#endif +#ifndef HAVE_MODE_T +typedef unsigned int mode_t; +#endif +#ifndef HAVE_OFF_T +typedef long off_t; +#undef SIZEOF_OFF_T +#define SIZEOF_OFF_T SIZEOF_LONG +#endif +#ifndef HAVE_SIZE_T +typedef unsigned int size_t; +#endif + +#define BOOL int + +#ifndef uchar +#define uchar unsigned char +#endif + +#ifdef SIGNED_CHAR_OK +#define schar signed char +#else +#define schar char +#endif + +#ifndef int16 +#if SIZEOF_INT16_T == 2 +# define int16 int16_t +#else +# define int16 short +#endif +#endif + +#ifndef uint16 +#if SIZEOF_UINT16_T == 2 +# define uint16 uint16_t +#else +# define uint16 unsigned int16 +#endif +#endif + +#if !defined __APPLE__ || defined HAVE_GETATTRLIST +#define SUPPORT_ATIMES 1 +#endif + +#if defined HAVE_GETATTRLIST || defined __CYGWIN__ +#define SUPPORT_CRTIMES 1 +#endif + +/* Find a variable that is either exactly 32-bits or longer. + * If some code depends on 32-bit truncation, it will need to + * take special action in a "#if SIZEOF_INT32 > 4" section. */ +#ifndef int32 +#if SIZEOF_INT32_T == 4 +# define int32 int32_t +# define SIZEOF_INT32 4 +#elif SIZEOF_INT == 4 +# define int32 int +# define SIZEOF_INT32 4 +#elif SIZEOF_LONG == 4 +# define int32 long +# define SIZEOF_INT32 4 +#elif SIZEOF_SHORT == 4 +# define int32 short +# define SIZEOF_INT32 4 +#elif SIZEOF_INT > 4 +# define int32 int +# define SIZEOF_INT32 SIZEOF_INT +#elif SIZEOF_LONG > 4 +# define int32 long +# define SIZEOF_INT32 SIZEOF_LONG +#else +# error Could not find a 32-bit integer variable +#endif +#else +# define SIZEOF_INT32 4 +#endif + +#ifndef uint32 +#if SIZEOF_UINT32_T == 4 +# define uint32 uint32_t +#else +# define uint32 unsigned int32 +#endif +#endif + +#if SIZEOF_OFF_T == 8 || !SIZEOF_OFF64_T || !defined HAVE_STRUCT_STAT64 +#define OFF_T off_t +#define STRUCT_STAT struct stat +#define SIZEOF_CAPITAL_OFF_T SIZEOF_OFF_T +#else +#define OFF_T off64_t +#define STRUCT_STAT struct stat64 +#define USE_STAT64_FUNCS 1 +#define SIZEOF_CAPITAL_OFF_T SIZEOF_OFF64_T +#endif + +/* CAVEAT: on some systems, int64 will really be a 32-bit integer IFF + * that's the maximum size the file system can handle and there is no + * 64-bit type available. The rsync source must therefore take steps + * to ensure that any code that really requires a 64-bit integer has + * it (e.g. the checksum code uses two 32-bit integers for its 64-bit + * counter). */ +#if SIZEOF_INT64_T == 8 +# define int64 int64_t +# define SIZEOF_INT64 8 +#elif SIZEOF_LONG == 8 +# define int64 long +# define SIZEOF_INT64 8 +#elif SIZEOF_INT == 8 +# define int64 int +# define SIZEOF_INT64 8 +#elif SIZEOF_LONG_LONG == 8 +# define int64 long long +# define SIZEOF_INT64 8 +#elif SIZEOF_OFF64_T == 8 +# define int64 off64_t +# define SIZEOF_INT64 8 +#elif SIZEOF_OFF_T == 8 +# define int64 off_t +# define SIZEOF_INT64 8 +#elif SIZEOF_INT > 8 +# define int64 int +# define SIZEOF_INT64 SIZEOF_INT +#elif SIZEOF_LONG > 8 +# define int64 long +# define SIZEOF_INT64 SIZEOF_LONG +#elif SIZEOF_LONG_LONG > 8 +# define int64 long long +# define SIZEOF_INT64 SIZEOF_LONG_LONG +#else +/* As long as it gets... */ +# define int64 off_t +# define SIZEOF_INT64 SIZEOF_OFF_T +#endif + +#define HT_KEY32 0 +#define HT_KEY64 1 + +struct hashtable { + void *nodes; + int32 size, entries; + uint32 node_size; + short key64; +}; + +struct ht_int32_node { + void *data; + int32 key; +}; + +struct ht_int64_node { + void *data; + int64 key; +}; + +#define HT_NODE(tbl, bkts, i) ((void*)((char*)(bkts) + (i)*(tbl)->node_size)) +#define HT_KEY(node, k64) ((k64)? ((struct ht_int64_node*)(node))->key \ + : (int64)((struct ht_int32_node*)(node))->key) + +#ifndef MIN +#define MIN(a,b) ((a)<(b)?(a):(b)) +#endif + +#ifndef MAX +#define MAX(a,b) ((a)>(b)?(a):(b)) +#endif + +#ifndef MAXHOSTNAMELEN +#define MAXHOSTNAMELEN 256 +#endif + +#define SUM_LENGTH 16 +#define SHORT_SUM_LENGTH 2 +#define BLOCKSUM_BIAS 10 + +#ifndef MAXPATHLEN +#define MAXPATHLEN 1024 +#endif + +/* We want a roomy line buffer that can hold more than MAXPATHLEN, + * and significantly more than an overly short MAXPATHLEN. */ +#if MAXPATHLEN < 4096 +#define BIGPATHBUFLEN (4096+1024) +#else +#define BIGPATHBUFLEN (MAXPATHLEN+1024) +#endif + +#ifndef NAME_MAX +#define NAME_MAX 255 +#endif + +#ifndef SIZE_MAX +#define SIZE_MAX ((size_t)-1) +#endif + +#ifndef INADDR_NONE +#define INADDR_NONE 0xffffffff +#endif + +#ifndef IN_LOOPBACKNET +#define IN_LOOPBACKNET 127 +#endif + +#if HAVE_UNIXWARE_ACLS|HAVE_SOLARIS_ACLS|HAVE_HPUX_ACLS +#define ACLS_NEED_MASK 1 +#endif + +#if defined HAVE_FALLOCATE || HAVE_SYS_FALLOCATE +#ifdef HAVE_LINUX_FALLOC_H +#include <linux/falloc.h> +#endif +#ifdef FALLOC_FL_KEEP_SIZE +#define SUPPORT_PREALLOCATION 1 +#elif defined HAVE_FTRUNCATE +#define SUPPORT_PREALLOCATION 1 +#define PREALLOCATE_NEEDS_TRUNCATE 1 +#endif +#else /* !fallocate */ +#if defined HAVE_EFFICIENT_POSIX_FALLOCATE && defined HAVE_FTRUNCATE +#define SUPPORT_PREALLOCATION 1 +#define PREALLOCATE_NEEDS_TRUNCATE 1 +#endif +#endif + +#if SIZEOF_CHARP == 4 +# define PTRS_ARE_32 1 +# define PTR_EXTRA_CNT 1 +#elif SIZEOF_CHARP == 8 +# define PTRS_ARE_64 1 +# define PTR_EXTRA_CNT EXTRA64_CNT +#else +# error Character pointers are not 4 or 8 bytes. +#endif + +#if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L +#define USE_FLEXIBLE_ARRAY 1 +#define SIZE_T_FMT_MOD "z" /* printf supports %zd */ +#define SIZE_T_FMT_CAST size_t +#else +#define SIZE_T_FMT_MOD "l" /* printf supports %ld */ +#define SIZE_T_FMT_CAST long +#endif + +union file_extras { + int32 num; + uint32 unum; +#ifdef PTRS_ARE_32 + const char* ptr; +#endif +}; + +union file_extras64 { + int64 num; +#ifdef PTRS_ARE_64 + const char* ptr; +#endif +}; + +struct file_struct { + const char *dirname; /* The dir info inside the transfer */ + time_t modtime; /* When the item was last modified */ + uint32 len32; /* Lowest 32 bits of the file's length */ + uint16 mode; /* The item's type and permissions */ + uint16 flags; /* The FLAG_* bits for this item */ +#ifdef USE_FLEXIBLE_ARRAY + const char basename[]; /* The basename (AKA filename) follows */ +#else + const char basename[1]; /* A kluge that should work like a flexible array */ +#endif +}; + +extern int file_extra_cnt; +extern int inc_recurse; +extern int atimes_ndx; +extern int crtimes_ndx; +extern int pathname_ndx; +extern int depth_ndx; +extern int uid_ndx; +extern int gid_ndx; +extern int acls_ndx; +extern int xattrs_ndx; +extern int file_sum_extra_cnt; + +#ifdef USE_FLEXIBLE_ARRAY +#define FILE_STRUCT_LEN (sizeof (struct file_struct)) +#else +#define FILE_STRUCT_LEN (offsetof(struct file_struct, basename)) +#endif +#define EXTRA_LEN (sizeof (union file_extras)) +#define DEV_EXTRA_CNT 2 +#define DIRNODE_EXTRA_CNT 3 +#define EXTRA64_CNT ((sizeof (union file_extras64) + EXTRA_LEN - 1) / EXTRA_LEN) +#define SUM_EXTRA_CNT file_sum_extra_cnt + +#define REQ_EXTRA(f,ndx) ((union file_extras*)(f) - (ndx)) +#define OPT_EXTRA(f,bump) ((union file_extras*)(f) - file_extra_cnt - 1 - (bump)) + +/* These are guaranteed to be allocated first in the array so that they + * are aligned for direct int64-pointer access. */ +#define REQ_EXTRA64(f,ndx) ((union file_extras64*)REQ_EXTRA(f,ndx)) + +#define NSEC_BUMP(f) ((f)->flags & FLAG_MOD_NSEC ? 1 : 0) +#define LEN64_BUMP(f) ((f)->flags & FLAG_LENGTH64 ? 1 : 0) +#define START_BUMP(f) (NSEC_BUMP(f) + LEN64_BUMP(f)) +#define HLINK_BUMP(f) ((f)->flags & (FLAG_HLINKED|FLAG_HLINK_DONE) ? inc_recurse+1 : 0) +#define ACL_BUMP(f) (acls_ndx ? 1 : 0) + +/* The length applies to all items. */ +#if SIZEOF_INT64 < 8 +#define F_LENGTH(f) ((int64)(f)->len32) +#else +#define F_HIGH_LEN(f) (OPT_EXTRA(f, NSEC_BUMP(f))->unum) +#define F_LENGTH(f) ((int64)(f)->len32 + ((f)->flags & FLAG_LENGTH64 ? (int64)F_HIGH_LEN(f) << 32 : 0)) +#endif + +#define F_MOD_NSEC(f) OPT_EXTRA(f, 0)->unum +#define F_MOD_NSEC_or_0(f) ((f)->flags & FLAG_MOD_NSEC ? F_MOD_NSEC(f) : 0) + +/* If there is a symlink string, it is always right after the basename */ +#define F_SYMLINK(f) ((f)->basename + strlen((f)->basename) + 1) + +/* The sending side always has this available: */ +#ifdef PTRS_ARE_32 +#define F_PATHNAME(f) REQ_EXTRA(f, pathname_ndx)->ptr +#else +#define F_PATHNAME(f) REQ_EXTRA64(f, pathname_ndx)->ptr +#endif + +/* The receiving side always has this available: */ +#define F_DEPTH(f) REQ_EXTRA(f, depth_ndx)->num + +/* When the associated option is on, all entries will have these present: */ +#define F_OWNER(f) REQ_EXTRA(f, uid_ndx)->unum +#define F_GROUP(f) REQ_EXTRA(f, gid_ndx)->unum +#define F_ACL(f) REQ_EXTRA(f, acls_ndx)->num +#define F_XATTR(f) REQ_EXTRA(f, xattrs_ndx)->num +#define F_NDX(f) REQ_EXTRA(f, unsort_ndx)->num +#define F_ATIME(f) REQ_EXTRA64(f, atimes_ndx)->num +#define F_CRTIME(f) REQ_EXTRA64(f, crtimes_ndx)->num + +/* These items are per-entry optional: */ +#define F_HL_GNUM(f) OPT_EXTRA(f, START_BUMP(f))->num /* non-dirs */ +#define F_HL_PREV(f) OPT_EXTRA(f, START_BUMP(f)+inc_recurse)->num /* non-dirs */ +#define F_DIR_NODE_P(f) (&OPT_EXTRA(f, START_BUMP(f) \ + + DIRNODE_EXTRA_CNT - 1)->num) /* sender dirs */ +#define F_DIR_RELNAMES_P(f) (&OPT_EXTRA(f, START_BUMP(f) + DIRNODE_EXTRA_CNT \ + + PTR_EXTRA_CNT - 1)->num) /* sender dirs */ +#define F_DIR_DEFACL(f) OPT_EXTRA(f, START_BUMP(f))->unum /* receiver dirs */ +#define F_DIR_DEV_P(f) (&OPT_EXTRA(f, START_BUMP(f) + ACL_BUMP(f) \ + + DEV_EXTRA_CNT - 1)->unum) /* receiver dirs */ + +/* This optional item might follow an F_HL_*() item. */ +#define F_RDEV_P(f) (&OPT_EXTRA(f, START_BUMP(f) + HLINK_BUMP(f) + DEV_EXTRA_CNT - 1)->unum) + +/* The sum is only present on regular files. */ +#define F_SUM(f) ((char*)OPT_EXTRA(f, START_BUMP(f) + HLINK_BUMP(f) \ + + SUM_EXTRA_CNT - 1)) + +/* Some utility defines: */ +#define F_IS_ACTIVE(f) (f)->basename[0] +#define F_IS_HLINKED(f) ((f)->flags & FLAG_HLINKED) + +#define F_HLINK_NOT_FIRST(f) BITS_SETnUNSET((f)->flags, FLAG_HLINKED, FLAG_HLINK_FIRST) +#define F_HLINK_NOT_LAST(f) BITS_SETnUNSET((f)->flags, FLAG_HLINKED, FLAG_HLINK_LAST) + +/* These access the F_DIR_DEV_P() and F_RDEV_P() values: */ +#define DEV_MAJOR(a) (a)[0] +#define DEV_MINOR(a) (a)[1] + +/* These access the F_DIRS_NODE_P() values: */ +#define DIR_PARENT(a) (a)[0] +#define DIR_FIRST_CHILD(a) (a)[1] +#define DIR_NEXT_SIBLING(a) (a)[2] + +#define IS_MISSING_FILE(statbuf) ((statbuf).st_mode == 0) + +/* + * 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) +#define FLIST_START_LARGE (32 * 1024) +#define FLIST_LINEAR (FLIST_START_LARGE * 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 NORMAL_EXTENT (256 * 1024) +#define SMALL_EXTENT (128 * 1024) + +#define FLIST_TEMP (1<<1) + +struct file_list { + struct file_list *next, *prev; + struct file_struct **files, **sorted; + alloc_pool_t file_pool; + void *pool_boundary; + int used, malloced; + int low, high; /* 0-relative index values excluding empties */ + int ndx_start; /* the start offset for inc_recurse mode */ + int flist_num; /* 1-relative file_list number or 0 */ + int parent_ndx; /* dir_flist index of parent directory */ + int in_progress, to_redo; +}; + +#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 */ + int32 chain; /**< next hash-table collision */ + 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 NAME_IS_FILE (0) /* filter name as a file */ +#define NAME_IS_DIR (1<<0) /* filter name as a dir */ +#define NAME_IS_XATTR (1<<2) /* filter name as an xattr */ + +#define FILTRULE_WILD (1<<0) /* pattern has '*', '[', and/or '?' */ +#define FILTRULE_WILD2 (1<<1) /* pattern has '**' */ +#define FILTRULE_WILD2_PREFIX (1<<2) /* pattern starts with "**" */ +#define FILTRULE_WILD3_SUFFIX (1<<3) /* pattern ends with "***" */ +#define FILTRULE_ABS_PATH (1<<4) /* path-match on absolute path */ +#define FILTRULE_INCLUDE (1<<5) /* this is an include, not an exclude */ +#define FILTRULE_DIRECTORY (1<<6) /* this matches only directories */ +#define FILTRULE_WORD_SPLIT (1<<7) /* split rules on whitespace */ +#define FILTRULE_NO_INHERIT (1<<8) /* don't inherit these rules */ +#define FILTRULE_NO_PREFIXES (1<<9) /* parse no prefixes from patterns */ +#define FILTRULE_MERGE_FILE (1<<10)/* specifies a file to merge */ +#define FILTRULE_PERDIR_MERGE (1<<11)/* merge-file is searched per-dir */ +#define FILTRULE_EXCLUDE_SELF (1<<12)/* merge-file name should be excluded */ +#define FILTRULE_FINISH_SETUP (1<<13)/* per-dir merge file needs setup */ +#define FILTRULE_NEGATE (1<<14)/* rule matches when pattern does not */ +#define FILTRULE_CVS_IGNORE (1<<15)/* rule was -C or :C */ +#define FILTRULE_SENDER_SIDE (1<<16)/* rule applies to the sending side */ +#define FILTRULE_RECEIVER_SIDE (1<<17)/* rule applies to the receiving side */ +#define FILTRULE_CLEAR_LIST (1<<18)/* this item is the "!" token */ +#define FILTRULE_PERISHABLE (1<<19)/* perishable if parent dir goes away */ +#define FILTRULE_XATTR (1<<20)/* rule only applies to xattr names */ + +#define FILTRULES_SIDES (FILTRULE_SENDER_SIDE | FILTRULE_RECEIVER_SIDE) + +typedef struct filter_struct { + struct filter_struct *next; + char *pattern; + uint32 rflags; + union { + int slash_cnt; + struct filter_list_struct *mergelist; + } u; + uchar elide; +} filter_rule; + +typedef struct filter_list_struct { + filter_rule *head; + filter_rule *tail; + char *debug_type; +} filter_rule_list; + +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; + int64 flist_size; + int num_files, num_dirs, num_symlinks, num_devices, num_specials; + int created_files, created_dirs, created_symlinks, created_devices, created_specials; + int deleted_files, deleted_dirs, deleted_symlinks, deleted_devices, deleted_specials; + int xferred_files; +}; + +struct chmod_mode_struct; + +struct flist_ndx_item { + struct flist_ndx_item *next; + int ndx; +}; + +typedef struct { + struct flist_ndx_item *head, *tail; +} flist_ndx_list; + +#define EMPTY_ITEM_LIST {NULL, 0, 0} + +typedef struct { + void *items; + size_t count; + size_t malloced; +} item_list; + +#define EXPAND_ITEM_LIST(lp, type, incr) \ + (type*)expand_item_list(lp, sizeof (type), #type, incr) + +#define EMPTY_XBUF {NULL, 0, 0, 0} + +typedef struct { + char *buf; + size_t pos; /* pos = read pos in the buf */ + size_t len; /* len = chars following pos */ + size_t size; /* size = total space in buf */ +} xbuf; + +#define INIT_XBUF(xb, str, ln, sz) (xb).buf = (str), (xb).len = (ln), (xb).size = (sz), (xb).pos = 0 +#define INIT_XBUF_STRLEN(xb, str) (xb).buf = (str), (xb).len = strlen((xb).buf), (xb).size = (size_t)-1, (xb).pos = 0 +/* This one is used to make an output xbuf based on a char[] buffer: */ +#define INIT_CONST_XBUF(xb, bf) (xb).buf = (bf), (xb).size = sizeof (bf), (xb).len = (xb).pos = 0 + +#define ICB_EXPAND_OUT (1<<0) +#define ICB_INCLUDE_BAD (1<<1) +#define ICB_INCLUDE_INCOMPLETE (1<<2) +#define ICB_CIRCULAR_OUT (1<<3) +#define ICB_INIT (1<<4) + +#define IOBUF_KEEP_BUFS 0 +#define IOBUF_FREE_BUFS 1 + +#define MPLX_SWITCHING IOBUF_KEEP_BUFS +#define MPLX_ALL_DONE IOBUF_FREE_BUFS +#define MPLX_TO_BUFFERED 2 + +#define RL_EOL_NULLS (1<<0) +#define RL_DUMP_COMMENTS (1<<1) +#define RL_CONVERT (1<<2) + +typedef struct { + char name_type; +#ifdef USE_FLEXIBLE_ARRAY + char fname[]; /* has variable size */ +#else + char fname[1]; /* A kluge that should work like a flexible array */ +#endif +} relnamecache; + +#ifdef USE_FLEXIBLE_ARRAY +#define RELNAMECACHE_LEN (sizeof (relnamecache)) +#else +#define RELNAMECACHE_LEN (offsetof(relnamecache, fname)) +#endif + +#include "byteorder.h" +#include "lib/mdigest.h" +#include "lib/wildmatch.h" +#include "lib/permstring.h" +#include "lib/addrinfo.h" + +#ifndef __GNUC__ +#define __attribute__(x) +#else +# if __GNUC__ <= 2 +# define NORETURN +# endif +#endif + +#define UNUSED(x) x __attribute__((__unused__)) +#ifndef NORETURN +#define NORETURN __attribute__((__noreturn__)) +#endif + +typedef struct { + STRUCT_STAT st; + time_t crtime; +#ifdef SUPPORT_ACLS + struct rsync_acl *acc_acl; /* access ACL */ + struct rsync_acl *def_acl; /* default ACL */ +#endif +#ifdef SUPPORT_XATTRS + item_list *xattr; +#endif +} stat_x; + +#define ACL_READY(sx) ((sx).acc_acl != NULL) +#define XATTR_READY(sx) ((sx).xattr != NULL) + +#define CLVL_NOT_SPECIFIED INT_MIN + +#define CPRES_AUTO (-1) +#define CPRES_NONE 0 +#define CPRES_ZLIB 1 +#define CPRES_ZLIBX 2 +#define CPRES_LZ4 3 +#define CPRES_ZSTD 4 + +#define NSTR_CHECKSUM 0 +#define NSTR_COMPRESS 1 + +struct name_num_item { + int num, flags; + const char *name; + struct name_num_item *main_nni; +}; + +struct name_num_obj { + const char *type; + struct name_num_item *negotiated_nni; + uchar *saw; + int saw_len; + struct name_num_item *list; +}; + +#ifdef EXTERNAL_ZLIB +#define read_buf read_buf_ +#endif + +#ifndef __cplusplus +#include "proto.h" +#endif + +#ifndef SUPPORT_XATTRS +#define x_stat(fn,fst,xst) do_stat(fn,fst) +#define x_lstat(fn,fst,xst) do_lstat(fn,fst) +#define x_fstat(fd,fst,xst) do_fstat(fd,fst) +#endif + +/* 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 +#if !defined NO_SYMLINK_XATTRS && !defined NO_SYMLINK_USER_XATTRS +#define do_readlink(path, buf, bufsiz) readlink(path, buf, bufsiz) +#endif +#endif +#ifdef HAVE_LINK +#define SUPPORT_HARD_LINKS 1 +#endif + +#ifdef HAVE_SIGACTION +#define SIGACTION(n,h) sigact.sa_handler=(h), sigaction((n),&sigact,NULL) +#define signal(n,h) we_need_to_call_SIGACTION_not_signal(n,h) +#else +#define SIGACTION(n,h) signal(n,h) +#endif + +#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_SPECIAL(mode) (S_ISSOCK(mode) || S_ISFIFO(mode)) +#define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(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)?(s):"<NULL>") + +extern char *do_calloc; + +/* Convenient wrappers for malloc and realloc. Use them. */ +#define new(type) ((type*)my_alloc(NULL, sizeof (type), 1, __FILE__, __LINE__)) +#define new0(type) ((type*)my_alloc(do_calloc, sizeof (type), 1, __FILE__, __LINE__)) +#define realloc_buf(ptr, num) my_alloc((ptr), (num), 1, __FILE__, __LINE__) + +#define new_array(type, num) ((type*)my_alloc(NULL, (num), sizeof (type), __FILE__, __LINE__)) +#define new_array0(type, num) ((type*)my_alloc(do_calloc, (num), sizeof (type), __FILE__, __LINE__)) +#define realloc_array(ptr, type, num) ((type*)my_alloc((ptr), (num), sizeof (type), __FILE__, __LINE__)) + +#undef strdup +#define strdup(s) my_strdup(s, __FILE__, __LINE__) + +#define out_of_memory(msg) _out_of_memory(msg, __FILE__, __LINE__) +#define overflow_exit(msg) _overflow_exit(msg, __FILE__, __LINE__) + +/* 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))) + ; + +/* 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 +#ifndef WIFEXITED +#define WIFEXITED(stat) ((int)((stat)&0xFF) == 0) +#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 + +#ifdef FORCE_FD_ZERO_MEMSET +#undef FD_ZERO +#define FD_ZERO(fdsetp) memset(fdsetp, 0, sizeof (fd_set)) +#endif + +extern short info_levels[], debug_levels[]; + +#define INFO_GTE(flag, lvl) (info_levels[INFO_##flag] >= (lvl)) +#define INFO_EQ(flag, lvl) (info_levels[INFO_##flag] == (lvl)) +#define DEBUG_GTE(flag, lvl) (debug_levels[DEBUG_##flag] >= (lvl)) +#define DEBUG_EQ(flag, lvl) (debug_levels[DEBUG_##flag] == (lvl)) + +#define INFO_BACKUP 0 +#define INFO_COPY (INFO_BACKUP+1) +#define INFO_DEL (INFO_COPY+1) +#define INFO_FLIST (INFO_DEL+1) +#define INFO_MISC (INFO_FLIST+1) +#define INFO_MOUNT (INFO_MISC+1) +#define INFO_NAME (INFO_MOUNT+1) +#define INFO_NONREG (INFO_NAME+1) +#define INFO_PROGRESS (INFO_NONREG+1) +#define INFO_REMOVE (INFO_PROGRESS+1) +#define INFO_SKIP (INFO_REMOVE+1) +#define INFO_STATS (INFO_SKIP+1) +#define INFO_SYMSAFE (INFO_STATS+1) + +#define COUNT_INFO (INFO_SYMSAFE+1) + +#define DEBUG_ACL 0 +#define DEBUG_BACKUP (DEBUG_ACL+1) +#define DEBUG_BIND (DEBUG_BACKUP+1) +#define DEBUG_CHDIR (DEBUG_BIND+1) +#define DEBUG_CONNECT (DEBUG_CHDIR+1) +#define DEBUG_CMD (DEBUG_CONNECT+1) +#define DEBUG_DEL (DEBUG_CMD+1) +#define DEBUG_DELTASUM (DEBUG_DEL+1) +#define DEBUG_DUP (DEBUG_DELTASUM+1) +#define DEBUG_EXIT (DEBUG_DUP+1) +#define DEBUG_FILTER (DEBUG_EXIT+1) +#define DEBUG_FLIST (DEBUG_FILTER+1) +#define DEBUG_FUZZY (DEBUG_FLIST+1) +#define DEBUG_GENR (DEBUG_FUZZY+1) +#define DEBUG_HASH (DEBUG_GENR+1) +#define DEBUG_HLINK (DEBUG_HASH+1) +#define DEBUG_ICONV (DEBUG_HLINK+1) +#define DEBUG_IO (DEBUG_ICONV+1) +#define DEBUG_NSTR (DEBUG_IO+1) +#define DEBUG_OWN (DEBUG_NSTR+1) +#define DEBUG_PROTO (DEBUG_OWN+1) +#define DEBUG_RECV (DEBUG_PROTO+1) +#define DEBUG_SEND (DEBUG_RECV+1) +#define DEBUG_TIME (DEBUG_SEND+1) + +#define COUNT_DEBUG (DEBUG_TIME+1) + +#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 + +#ifndef HAVE_GETPASS +char *getpass(const char *prompt); +#endif + +#ifdef MAINTAINER_MODE +const char *get_panic_action(void); +#endif + +#define NOISY_DEATH(msg) do { \ + fprintf(stderr, "%s in %s at line %d\n", msg, __FILE__, __LINE__); \ + exit_cleanup(RERR_UNSUPPORTED); \ +} while (0) + +#ifdef HAVE_MALLINFO2 +#define MEM_ALLOC_INFO mallinfo2 +#elif defined HAVE_MALLINFO +#define MEM_ALLOC_INFO mallinfo +#endif |