/* * Copyright (C) 1996, 2000 Andrew Tridgell * Copyright (C) 1996 Paul Mackerras * Copyright (C) 2001, 2002 Martin Pool * Copyright (C) 2003-2007 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 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 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_NON_XFER_DIR (1<<8) /* protocols 30 - NOW (dirs only) */ #define XMIT_HLINKED (1<<9) /* protocols 28 - NOW */ #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) */ /* These flags are used in the live flist data. */ #define FLAG_TOP_DIR (1<<0) /* sender/receiver/generator */ #define FLAG_FILE_SENT (1<<1) /* sender/receiver/generator */ #define FLAG_DIR_CHANGED (1<<1) /* generator */ #define FLAG_XFER_DIR (1<<2) /* sender/receiver/generator */ #define FLAG_MOUNT_DIR (1<<3) /* sender/generator */ #define FLAG_DUPLICATE (1<<4) /* sender */ #define FLAG_MISSING_DIR (1<<4) /* generator */ #define FLAG_HLINKED (1<<5) /* receiver/generator */ #define FLAG_HLINK_FIRST (1<<6) /* receiver/generator */ #define FLAG_HLINK_LAST (1<<7) /* receiver/generator */ #define FLAG_HLINK_DONE (1<<8) /* receiver/generator */ #define FLAG_LENGTH64 (1<<9) /* sender/receiver/generator */ #define FLAG_SKIP_GROUP (1<<10) /* receiver/generator */ /* These flags are passed to functions but not stored. */ #define FLAG_DIVERT_DIRS (1<<16)/* sender */ #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 */ #define PROTOCOL_VERSION 30 /* This is used when working on a new protocol version in CVS, and should * be a new non-zero value for each CVS change that affects the protocol. * It must ALWAYS be 0 when the protocol goes final! */ #define SUBPROTOCOL_VERSION 6 /* 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 FILECNT_LOOKAHEAD 1000 #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 (4092) #define MAX_BLOCK_SIZE ((int32)1 << 29) #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 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) #define XFLG_ABS_IF_SLASH (1<<3) #define ATTRS_REPORT (1<<0) #define ATTRS_SKIP_MTIME (1<<1) #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_CHECKSUM (1<<1) #define ITEM_REPORT_SIZE (1<<2) #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_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)) /* Log-message categories. Only FERROR and FINFO get sent over the socket, * but FLOG and FSOCKERR can be sent over the receiver -> generator pipe. * FLOG only goes to the log file, not the client; FCLIENT is the opposite. */ enum logcode { FNONE=0, FERROR=1, FINFO=2, FLOG=3, FCLIENT=4, FSOCKERR=5 }; /* 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=FERROR, MSG_INFO=FINFO, /* remote logging */ MSG_LOG=FLOG, MSG_CLIENT=FCLIENT, MSG_SOCKERR=FSOCKERR, /* sibling logging */ MSG_REDO=9, /* reprocess indicated flist index */ MSG_FLIST=20, /* extra file list over sibling socket */ MSG_FLIST_EOF=21,/* we've transmitted all the file lists */ MSG_IO_ERROR=22,/* the sending side had an I/O error */ MSG_NOOP=42, /* a do-nothing message */ 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 */ MSG_DONE=86 /* current phase is done */ }; #define NDX_DONE -1 #define NDX_FLIST_EOF -2 #define NDX_FLIST_OFFSET -101 #include "errcode.h" #include "config.h" /* The default RSYNC_RSH is always set in config.h. */ #include #ifdef HAVE_SYS_TYPES_H # include #endif #ifdef HAVE_SYS_STAT_H # include #endif #ifdef STDC_HEADERS # include # include #else # ifdef HAVE_STDLIB_H # include # endif #endif #ifdef HAVE_STRING_H # if !defined STDC_HEADERS && defined HAVE_MEMORY_H # include # endif # include #endif #ifdef HAVE_STRINGS_H # include #endif #ifdef HAVE_INTTYPES_H # include #endif #ifdef HAVE_UNISTD_H # include #endif #ifdef HAVE_SYS_PARAM_H #include #endif #if defined HAVE_MALLOC_H && (defined HAVE_MALLINFO || !defined HAVE_STDLIB_H) #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #ifdef TIME_WITH_SYS_TIME #include #include #else #ifdef HAVE_SYS_TIME_H #include #else #include #endif #endif #ifdef HAVE_FCNTL_H #include #else #ifdef HAVE_SYS_FCNTL_H #include #endif #endif #ifdef HAVE_SYS_IOCTL_H #include #endif #ifdef HAVE_SYS_FILIO_H #include #endif #include #ifdef HAVE_SYS_WAIT_H #include #endif #ifdef HAVE_CTYPE_H #include #endif #ifdef HAVE_GRP_H #include #endif #include #ifdef HAVE_UTIME_H #include #endif #ifdef HAVE_SYS_SELECT_H #include #endif #ifdef HAVE_SYS_MODE_H /* apparently AIX needs this for S_ISLNK */ #ifndef S_ISLNK #include #endif #endif #ifdef HAVE_GLOB_H #include #endif /* these are needed for the uid/gid mapping code */ #include #include #include #include #include #include #include #include #ifdef HAVE_DIRENT_H # include #else # define dirent direct # ifdef HAVE_SYS_NDIR_H # include # endif # ifdef HAVE_SYS_DIR_H # include # endif # ifdef HAVE_NDIR_H # include # endif #endif #ifdef MAJOR_IN_MKDEV #include # if !defined makedev && (defined mkdev || defined _WIN32 || defined __WIN32__) # define makedev mkdev # endif #elif defined MAJOR_IN_SYSMACROS #include #endif #ifdef MAKEDEV_TAKES_3_ARGS #define MAKEDEV(devmajor,devminor) makedev(0,devmajor,devminor) #else #define MAKEDEV(devmajor,devminor) makedev(devmajor,devminor) #endif #ifdef HAVE_COMPAT_H #include #endif #ifdef HAVE_LIMITS_H # include #endif #if defined HAVE_ICONV_OPEN && defined HAVE_ICONV_H #include #ifndef ICONV_CONST #define ICONV_CONST #endif #elif defined ICONV_CONST #undef ICONV_CONST #endif #include #include "lib/pool_alloc.h" #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 /* 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 #else #define OFF_T off64_t #define STRUCT_STAT struct stat64 #define USE_STAT64_FUNCS 1 #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 struct idev_node { int64 key; void *data; }; #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 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 union file_extras { int32 num; uint32 unum; }; 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 */ const char basename[1]; /* The basename (AKA filename) follows */ }; extern int file_extra_cnt; extern int uid_ndx; extern int gid_ndx; extern int acls_ndx; extern int xattrs_ndx; #define FILE_STRUCT_LEN (offsetof(struct file_struct, basename)) #define EXTRA_LEN (sizeof (union file_extras)) #define PTR_EXTRA_LEN ((sizeof (char *) + EXTRA_LEN - 1) / EXTRA_LEN) #define DEV_EXTRA_CNT 2 #define DIRNODE_EXTRA_CNT 3 #define SUM_EXTRA_CNT ((MAX_DIGEST_LEN + EXTRA_LEN - 1) / EXTRA_LEN) #define REQ_EXTRA(f,ndx) ((union file_extras*)(f) - (ndx)) #define OPT_EXTRA(f,bump) ((union file_extras*)(f) - file_extra_cnt - 1 - (bump)) #define LEN64_BUMP(f) ((f)->flags & FLAG_LENGTH64 ? 1 : 0) #define HLINK_BUMP(f) (F_IS_HLINKED(f) ? 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_LENGTH(f) ((int64)(f)->len32 + ((f)->flags & FLAG_LENGTH64 \ ? (int64)OPT_EXTRA(f, 0)->unum << 32 : 0)) #endif /* 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: */ #define F_PATHNAME(f) (*(const char**)REQ_EXTRA(f, PTR_EXTRA_LEN)) /* The receiving side always has this available: */ #define F_DEPTH(f) REQ_EXTRA(f, 1)->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, ic_ndx)->num /* These items are per-entry optional: */ #define F_HL_GNUM(f) OPT_EXTRA(f, LEN64_BUMP(f))->num /* non-dirs */ #define F_HL_PREV(f) OPT_EXTRA(f, LEN64_BUMP(f))->num /* non-dirs */ #define F_DIR_NODE_P(f) (&OPT_EXTRA(f, LEN64_BUMP(f) \ + DIRNODE_EXTRA_CNT - 1)->num) /* sender dirs */ #define F_DIR_DEFACL(f) OPT_EXTRA(f, LEN64_BUMP(f))->unum /* receiver dirs */ #define F_DIR_DEV_P(f) (&OPT_EXTRA(f, LEN64_BUMP(f) + ACL_BUMP(f) \ + DEV_EXTRA_CNT - 1)->unum) /* receiver dirs */ /* This optional item might follow an F_HL_*() item. * (Note: a device doesn't need to check LEN64_BUMP(f).) */ #define F_RDEV_P(f) (&OPT_EXTRA(f, HLINK_BUMP(f) + 2 - 1)->unum) /* The sum is only present on regular files. */ #define F_SUM(f) ((char*)OPT_EXTRA(f, LEN64_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) #define DEV_MAJOR(a) (a)[0] #define DEV_MINOR(a) (a)[1] #define DIR_PARENT(a) (a)[0] #define DIR_FIRST_CHILD(a) (a)[1] #define DIR_NEXT_SIBLING(a) (a)[2] /* * 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 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 ndx_end; /* the end offset for inc_recurse mode */ 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 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_WILD3_SUFFIX (1<<3) /* pattern ends with "***" */ #define MATCHFLG_ABS_PATH (1<<4) /* path-match on absolute path */ #define MATCHFLG_INCLUDE (1<<5) /* this is an include, not an exclude */ #define MATCHFLG_DIRECTORY (1<<6) /* this matches only directories */ #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 MATCHFLG_CLEAR_LIST (1<<18)/* this item is the "!" token */ #define MATCHFLG_PERISHABLE (1<<19)/* perishable if parent dir goes away */ #define MATCHFLGS_FROM_CONTAINER (MATCHFLG_ABS_PATH | MATCHFLG_INCLUDE \ | MATCHFLG_DIRECTORY | MATCHFLG_SENDER_SIDE \ | MATCHFLG_NEGATE | MATCHFLG_RECEIVER_SIDE \ | MATCHFLG_PERISHABLE) 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; int64 flist_size; int num_files; int num_transferred_files; int current_file_index; }; struct chmod_mode_struct; #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) #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; #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 } statx; #define ACL_READY(sx) ((sx).acc_acl != NULL) #define XATTR_READY(sx) ((sx).xattr != NULL) #include "proto.h" #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 #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):"") /* Convenient wrappers for malloc and realloc. Use them. */ #define new(type) ((type*)malloc(sizeof (type))) #define new0(type) ((type*)calloc(1, sizeof (type))) #define new_array(type, num) ((type*)_new_array((num), sizeof (type), 0)) #define new_array0(type, num) ((type*)_new_array((num), sizeof (type), 1)) #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))) ; /* 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 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 static inline int to_wire_mode(mode_t mode) { #ifdef SUPPORT_LINKS #if _S_IFLNK != 0120000 if (S_ISLNK(mode)) return (mode & ~(_S_IFMT)) | 0120000; #endif #endif return mode; } static inline mode_t from_wire_mode(int mode) { #if _S_IFLNK != 0120000 if ((mode & (_S_IFMT)) == 0120000) return (mode & ~(_S_IFMT)) | _S_IFLNK; #endif return mode; } static inline int isDigit(const char *ptr) { return isdigit(*(unsigned char *)ptr); } static inline int isPrint(const char *ptr) { return isprint(*(unsigned char *)ptr); } static inline int isSpace(const char *ptr) { return isspace(*(unsigned char *)ptr); } static inline int isLower(const char *ptr) { return islower(*(unsigned char *)ptr); } static inline int isUpper(const char *ptr) { return isupper(*(unsigned char *)ptr); } static inline int toLower(const char *ptr) { return tolower(*(unsigned char *)ptr); } static inline int toUpper(const char *ptr) { return toupper(*(unsigned char *)ptr); }