X-Git-Url: http://git.samba.org/samba.git/?p=rsync.git;a=blobdiff_plain;f=rsync.h;h=5091a9e5696a5a8b59f14611e3fb51ccac67d89e;hp=6e7210cf075e13b0716e69b9baf0915e75dd5c7e;hb=1d54358e5207f5f5326dc9e9f362671275c86b22;hpb=7b8356d0bcc11d7681294afde83a18dfd46fa1ad diff --git a/rsync.h b/rsync.h index 6e7210cf..5091a9e5 100644 --- a/rsync.h +++ b/rsync.h @@ -1,6 +1,7 @@ /* - Copyright (C) Andrew Tridgell 1996 + Copyright (C) by Andrew Tridgell 1996, 2000 Copyright (C) Paul Mackerras 1996 + Copyright (C) 2001 by Martin Pool 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 @@ -17,24 +18,27 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define False 0 +#define True 1 + #define BLOCK_SIZE 700 #define RSYNC_RSH_ENV "RSYNC_RSH" -#if HAVE_REMSH -#define RSYNC_RSH "remsh" -#else -#define RSYNC_RSH "rsh" -#endif - #define RSYNC_NAME "rsync" +#define RSYNCD_CONF "/etc/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 - imcompatible with older versions :-( */ + incompatible with older versions :-( */ #define CHAR_OFFSET 0 -#define FILE_VALID 1 +#define FLAG_DELETE (1<<0) #define SAME_MODE (1<<1) #define SAME_RDEV (1<<2) #define SAME_UID (1<<3) @@ -45,27 +49,55 @@ #define SAME_TIME (1<<7) /* update this if you make incompatible changes */ -#define PROTOCOL_VERSION 14 -#define MIN_PROTOCOL_VERSION 10 -#define MAX_PROTOCOL_VERSION 20 - -#define SPARSE_WRITE_SIZE (4*1024) +#define PROTOCOL_VERSION 25 + +/* 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. + * + * There are two possible explanations for the limit at thirty: 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 15 and 30. */ +#define MIN_PROTOCOL_VERSION 15 +#define MAX_PROTOCOL_VERSION 30 + +#define RSYNC_PORT 873 + +#define SPARSE_WRITE_SIZE (1024) #define WRITE_SIZE (32*1024) #define CHUNK_SIZE (32*1024) -#define MAX_MAP_SIZE (4*1024*1024) +#define MAX_MAP_SIZE (256*1024) +#define IO_BUFFER_SIZE (4092) -#define BLOCKING_TIMEOUT 10 +#define MAX_ARGS 1000 -#define FERROR stderr -#define FINFO (am_server?stderr:stdout) +#define MPLEX_BASE 7 + +/* Log values. I *think* what these mean is: FLOG goes to the server + * logfile; FERROR and FINFO try to end up on the client, with + * different levels of filtering. */ +enum logcode {FNONE=0, FERROR=1, FINFO=2, FLOG=3 }; + +#include "errcode.h" #include "config.h" +#if HAVE_REMSH +#define RSYNC_RSH "remsh" +#else +#define RSYNC_RSH "rsh" +#endif + #include + #ifdef HAVE_UNISTD_H #include #endif #include +#include #ifdef HAVE_SYS_PARAM_H #include @@ -75,12 +107,12 @@ #include #endif -#ifdef HAVE_STRING_H -#include +#ifdef HAVE_SYS_SOCKET_H +#include #endif -#ifdef HAVE_COMPAT_H -#include +#ifdef HAVE_STRING_H +#include #endif #ifdef HAVE_MALLOC_H @@ -128,35 +160,74 @@ #endif #include -#ifdef HAVE_MMAP -#include -#endif - #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_FNMATCH #include #else #include "lib/fnmatch.h" #endif -#ifdef HAVE_GETOPT_LONG -#include -#else -#include "lib/getopt.h" +#ifdef HAVE_GLOB_H +#include #endif +/* these are needed for the uid/gid mapping code */ +#include +#include + +#include +#include +#include +#include +#include +#include -#ifndef S_ISLNK -#define S_ISLNK(mode) (((mode) & S_IFLNK) == S_IFLNK) +#if HAVE_DIRENT_H +# include +#else +# define dirent direct +# if HAVE_SYS_NDIR_H +# include +# endif +# if HAVE_SYS_DIR_H +# include +# endif +# if HAVE_NDIR_H +# include +# endif #endif +#ifdef HAVE_COMPAT_H +#include +#endif + + +#define BOOL int + #ifndef uchar #define uchar unsigned char #endif +#if HAVE_UNSIGNED_CHAR +#define schar signed char +#else +#define schar char +#endif + #ifndef int32 #if (SIZEOF_INT == 4) #define int32 int @@ -164,6 +235,10 @@ #define int32 long #elif (SIZEOF_SHORT == 4) #define int32 short +#else +/* I hope this works */ +#define int32 int +#define LARGE_INT32 #endif #endif @@ -171,6 +246,34 @@ #define uint32 unsigned int32 #endif +#if HAVE_OFF64_T +#define OFF_T off64_t +#define STRUCT_STAT struct stat64 +#else +#define OFF_T off_t +#define STRUCT_STAT struct stat +#endif + +#if HAVE_OFF64_T +#define int64 off64_t +#elif (SIZEOF_LONG == 8) +#define int64 long +#elif (SIZEOF_INT == 8) +#define int64 int +#elif HAVE_LONGLONG +#define int64 long long +#else +#define int64 off_t +#define NO_INT64 +#endif + +#if HAVE_SHORT_INO_T +# define INO_T uint32 +#elif HAVE_INO_T +# define INO_T ino_t +#else +# define INO_T unsigned +#endif #ifndef MIN #define MIN(a,b) ((a)<(b)?(a):(b)) @@ -180,6 +283,10 @@ #define MAX(a,b) ((a)>(b)?(a):(b)) #endif +#ifndef MAXHOSTNAMELEN +#define MAXHOSTNAMELEN 256 +#endif + /* the length of the md4 checksum */ #define MD4_SUM_LENGTH 16 #define SUM_LENGTH 16 @@ -188,37 +295,54 @@ #define MAXPATHLEN 1024 #endif +#ifndef INADDR_NONE +#define INADDR_NONE 0xffffffff +#endif + struct file_struct { - time_t modtime; - off_t length; - mode_t mode; - ino_t inode; - dev_t dev; - dev_t rdev; - uid_t uid; - gid_t gid; - char *name; - char *dir; - char *link; - char sum[MD4_SUM_LENGTH]; + unsigned flags; + time_t modtime; + OFF_T length; + mode_t mode; + INO_T inode; + dev_t dev; + dev_t rdev; + uid_t uid; + gid_t gid; + char *basename; + char *dirname; + char *basedir; + char *link; + char *sum; +}; + + +#define ARENA_SIZE (32 * 1024) + +struct string_area { + char *base; + char *end; + char *current; + struct string_area *next; }; struct file_list { - int count; - int malloced; - struct file_struct *files; + int count; + int malloced; + struct file_struct **files; + struct string_area *string_area; }; struct sum_buf { - off_t offset; /* offset in file of this chunk */ - int len; /* length of chunk of file */ - int i; /* index of this chunk */ - uint32 sum1; /* simple checksum */ - char sum2[SUM_LENGTH]; /* checksum */ + OFF_T offset; /* offset in file of this chunk */ + int len; /* length of chunk of file */ + int i; /* index of this chunk */ + uint32 sum1; /* simple checksum */ + char sum2[SUM_LENGTH]; /* checksum */ }; struct sum_struct { - off_t flength; /* total file length */ + OFF_T flength; /* total file length */ int count; /* how many chunks */ int remainder; /* flength % block_length */ int n; /* block_length */ @@ -226,14 +350,65 @@ struct sum_struct { }; struct map_struct { - char *map,*p; - int fd,size,p_size,p_offset,p_len; + char *p; + int fd,p_size,p_len; + OFF_T file_size, p_offset, p_fd_offset; }; +struct exclude_struct { + char *pattern; + int regular_exp; + int fnmatch_flags; + int include; + int directory; + int local; +}; + +struct stats { + int64 total_size; + int64 total_transferred_size; + int64 total_written; + int64 total_read; + int64 literal_data; + int64 matched_data; + int flist_size; + int num_files; + int num_transferred_files; +}; + + +/* we need this function because of the silly way in which duplicate + entries are handled in the file lists - we can't change this + without breaking existing versions */ +static inline int flist_up(struct file_list *flist, int i) +{ + while (!flist->files[i]->basename) i++; + return i; +} + #include "byteorder.h" #include "version.h" #include "proto.h" -#include "md4.h" +#include "lib/mdfour.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) +int vsnprintf (char *str, size_t count, const char *fmt, va_list args); +#endif + +#if !defined(HAVE_SNPRINTF) && !defined(HAVE_C99_VSNPRINTF) +int snprintf(char *str,size_t count,const char *fmt,...); +#endif + #if !HAVE_STRERROR extern char *sys_errlist[]; @@ -245,42 +420,15 @@ extern char *sys_errlist[]; # define strrchr rindex #endif -#if HAVE_DIRENT_H -# include -#else -# define dirent direct -# if HAVE_SYS_NDIR_H -# include -# endif -# if HAVE_SYS_DIR_H -# include -# endif -# if HAVE_NDIR_H -# include -# endif -#endif - #ifndef HAVE_ERRNO_DECL extern int errno; #endif -#ifndef HAVE_BCOPY -#define bcopy(src,dest,n) memcpy(dest,src,n) -#endif - -#ifndef HAVE_BZERO -#define bzero(buf,n) memset(buf,0,n) -#endif - -#define SUPPORT_LINKS (HAVE_READLINK && defined(S_ISLNK)) +#define SUPPORT_LINKS HAVE_READLINK #define SUPPORT_HARD_LINKS HAVE_LINK -#ifndef S_ISLNK -#define S_ISLNK(x) 0 -#endif - -#if !SUPPORT_LINKS -#define lstat stat +#ifndef HAVE_LCHOWN +#define lchown chown #endif #define SIGNAL_CAST (RETSIGTYPE (*)()) @@ -305,5 +453,113 @@ extern int errno; #define S_IWUSR 0200 #endif -#define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode)) +#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)) + +#ifndef ACCESSPERMS +#define ACCESSPERMS 0777 +#endif +/* 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):"") + +/* use magic gcc attributes to catch format errors */ + void rprintf(enum logcode , const char *, ...) +#ifdef __GNUC__ + __attribute__ ((format (printf, 2, 3))) +#endif +; + +/* 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 *, ...) +#ifdef __GNUC__ + __attribute__ ((format (printf, 3, 4))) +#endif + ; + +#ifdef REPLACE_INET_NTOA +#define inet_ntoa rep_inet_ntoa +#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__) + +extern int verbose;