X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/9ec3828b031df2ca472efe61e950673949bec3ce..9742b386b3d5b3010675aef9febaffbf8ab2d2c0:/rsync.h diff --git a/rsync.h b/rsync.h index 4f33532e..be5831c0 100644 --- a/rsync.h +++ b/rsync.h @@ -2,12 +2,11 @@ * Copyright (C) 1996, 2000 Andrew Tridgell * Copyright (C) 1996 Paul Mackerras * Copyright (C) 2001, 2002 Martin Pool - * Copyright (C) 2003, 2004, 2005, 2006 Wayne Davison + * 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 2 of the License, or - * (at your option) any later version. + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of @@ -43,20 +42,20 @@ #define XMIT_TOP_DIR (1<<0) #define XMIT_SAME_MODE (1<<1) -#define XMIT_EXTENDED_FLAGS (1<<2) -#define XMIT_SAME_RDEV_pre28 XMIT_EXTENDED_FLAGS /* protocols < 28 */ +#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) -#define XMIT_HLINKED (1<<9) -#define XMIT_SAME_DEV_pre30 (1<<10) /* protocols < 30 */ -#define XMIT_HLINK_FIRST (1<<10) /* protocols >= 30 */ -#define XMIT_RDEV_MINOR_IS_SMALL (1<<11) -#define XMIT_USER_NAME_FOLLOWS (1<<12) /* protocols >= 30 */ -#define XMIT_GROUP_NAME_FOLLOWS (1<<13) /* protocols >= 30 */ +#define XMIT_SAME_RDEV_MAJOR (1<<8) /* protocols 28 - NOW */ +#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 */ /* These flags are used in the live flist data. */ @@ -65,12 +64,14 @@ #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. */ @@ -84,6 +85,11 @@ /* 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 3 + /* 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 @@ -105,6 +111,8 @@ #define OLD_PROTOCOL_VERSION 25 #define MAX_PROTOCOL_VERSION 40 +#define FILECNT_LOOKAHEAD 1000 + #define RSYNC_PORT 873 #define SPARSE_WRITE_SIZE (1024) @@ -356,6 +364,15 @@ enum msgcode { # 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" @@ -516,8 +533,6 @@ struct idev_node { #define MAXHOSTNAMELEN 256 #endif -/* the length of the md4 checksum */ -#define MD4_SUM_LENGTH 16 #define SUM_LENGTH 16 #define SHORT_SUM_LENGTH 2 #define BLOCKSUM_BIAS 10 @@ -546,7 +561,9 @@ struct idev_node { #define IN_LOOPBACKNET 127 #endif -#define GID_NONE ((gid_t)-1) +#if HAVE_UNIXWARE_ACLS|HAVE_SOLARIS_ACLS|HAVE_HPUX_ACLS +#define ACLS_NEED_MASK 1 +#endif union file_extras { int32 num; @@ -563,13 +580,15 @@ struct file_struct { }; extern int file_extra_cnt; -extern int preserve_uid; -extern int preserve_gid; +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 SUM_EXTRA_CNT ((MD4_SUM_LENGTH + EXTRA_LEN - 1) / EXTRA_LEN) +#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)) @@ -589,18 +608,22 @@ extern int preserve_gid; #define F_SYMLINK(f) ((f)->basename + strlen((f)->basename) + 1) /* The sending side always has this available: */ -#define F_ROOTDIR(f) (*(const char**)REQ_EXTRA(f, PTR_EXTRA_LEN)) +#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_UID(f) REQ_EXTRA(f, preserve_uid)->unum -#define F_GID(f) REQ_EXTRA(f, preserve_gid)->unum +#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 and mutally exclusive: */ #define F_HL_GNUM(f) OPT_EXTRA(f, LEN64_BUMP(f))->num #define F_HL_PREV(f) OPT_EXTRA(f, LEN64_BUMP(f))->num +#define F_DEF_ACL(f) OPT_EXTRA(f, LEN64_BUMP(f))->unum #define F_DIRDEV_P(f) (&OPT_EXTRA(f, LEN64_BUMP(f) + 2 - 1)->unum) #define F_DIRNODE_P(f) (&OPT_EXTRA(f, LEN64_BUMP(f) + 3 - 1)->num) @@ -615,6 +638,7 @@ extern int preserve_gid; /* 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) @@ -641,18 +665,19 @@ extern int preserve_gid; * (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 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; + struct file_struct **files, **sorted; alloc_pool_t file_pool; + void *pool_boundary; int count, malloced; int low, high; /* 0-relative index values excluding empties */ - int ndx_start; /* the start offset when incremental */ + int ndx_start; /* the start offset for inc_recurse mode */ int parent_ndx; /* dir_flist index of parent directory */ int in_progress, to_redo; }; @@ -748,14 +773,26 @@ struct stats { 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/mdfour.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 @@ -766,8 +803,28 @@ struct chmod_mode_struct; #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, ...); @@ -986,6 +1043,26 @@ int inet_pton(int af, const char *src, void *dst); 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) {