X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/30e8c8e1e48088477f0befdd08922caa6919bc51..87cc45e136333407acc6463f6415df4979289f30:/rsync.h

diff --git a/rsync.h b/rsync.h
index 9bb30d17..e3cbe570 100644
--- a/rsync.h
+++ b/rsync.h
@@ -50,20 +50,28 @@
 #define SAME_TIME (1<<7)
 
 /* update this if you make incompatible changes */
-#define PROTOCOL_VERSION 26
+#define PROTOCOL_VERSION 27
 
 /* 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
+ * 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 17
+#define OLD_PROTOCOL_VERSION 20
+#define MAX_PROTOCOL_VERSION 40
 
 #define RSYNC_PORT 873
 
@@ -273,6 +281,17 @@ enum logcode {FNONE=0, FERROR=1, FINFO=2, FLOG=3 };
 #define NO_INT64
 #endif
 
+#if (SIZEOF_LONG == 8) 
+#define uint64 unsigned long
+#elif (SIZEOF_INT == 8) 
+#define uint64 unsigned int
+#elif HAVE_LONGLONG
+#define uint64 unsigned long long
+#else
+/* As long as it gets... */
+#define uint64 unsigned off_t
+#endif
+
 /* Starting from protocol version 26, we always use 64-bit
  * ino_t and dev_t internally, even if this platform does not
  * allow files to have 64-bit inums.  That's because the
@@ -304,8 +323,8 @@ enum logcode {FNONE=0, FERROR=1, FINFO=2, FLOG=3 };
  * cope with platforms on which this is an unsigned int or even a
  * struct.  Later.
  */ 
-#define INO64_T int64
-#define DEV64_T int64
+#define INO64_T uint64
+#define DEV64_T uint64
 
 #ifndef MIN
 #define MIN(a,b) ((a)<(b)?(a):(b))
@@ -322,15 +341,25 @@ enum logcode {FNONE=0, FERROR=1, FINFO=2, FLOG=3 };
 /* the length of the md4 checksum */
 #define MD4_SUM_LENGTH 16
 #define SUM_LENGTH 16
+#define SHORT_SUM_LENGTH 2
+#define BLOCKSUM_BIAS 10
 
 #ifndef MAXPATHLEN
 #define 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
+
 struct file_struct {
 	unsigned flags;
 	time_t modtime;
@@ -381,7 +410,8 @@ struct sum_struct {
 	OFF_T flength;		/**< total file length */
 	size_t count;		/**< how many chunks */
 	size_t remainder;	/**< flength % block_length */
-	size_t n;		/**< block_length */
+	size_t blength;		/**< block_length */
+	size_t s2length;	/**< sum2_length */
 	struct sum_buf *sums;	/**< points to info for each chunk */
 };
 
@@ -493,6 +523,16 @@ extern int errno;
 #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
@@ -556,9 +596,6 @@ extern int errno;
 
 #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 */
@@ -591,6 +628,10 @@ void rsyserr(enum logcode, int, const char *, ...)
 #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);
@@ -615,7 +656,7 @@ inet_ntop(int af, const void *src, char *dst, size_t size);
 #endif /* !HAVE_INET_NTOP */
 
 #ifndef HAVE_INET_PTON
-int isc_net_pton(int af, const char *src, void *dst);
+int inet_pton(int af, const char *src, void *dst);
 #endif
 
 #ifdef MAINTAINER_MODE
@@ -624,4 +665,4 @@ const char *get_panic_action(void);
 
 #define UNUSED(x) x __attribute__((__unused__))
 
-const char *io_write_phase, *io_read_phase;
+extern const char *io_write_phase, *io_read_phase;