Protocol 30 now uses MD5 checksums instead of MD4.

[rsync/rsync.git] / flist.c

diff --git a/flist.c b/flist.c
index ed23930..abbc6da 100644 (file)
--- a/flist.c
+++ b/flist.c
@@ -85,9 +85,9 @@ static dev_t tmp_rdev;
 #ifdef SUPPORT_HARD_LINKS
 static int64 tmp_dev, tmp_ino;
 #endif
-static char tmp_sum[MD4_SUM_LENGTH];
+static char tmp_sum[MAX_DIGEST_LEN];
 
-static char empty_sum[MD4_SUM_LENGTH];
+static char empty_sum[MAX_DIGEST_LEN];
 static int flist_count_offset; /* for --delete --progress */
 
 static void clean_flist(struct file_list *flist, int strip_root, int no_dups);
@@ -99,7 +99,9 @@ void init_flist(void)
                rprintf(FINFO, "FILE_STRUCT_LEN=%d, EXTRA_LEN=%d\n",
                        (int)FILE_STRUCT_LEN, (int)EXTRA_LEN);
        }
-       checksum_len = protocol_version < 21 ? 2 : MD4_SUM_LENGTH;
+       checksum_len = protocol_version < 21 ? 2
+                    : protocol_version < 30 ? MD4_DIGEST_LEN
+                    : MD5_DIGEST_LEN;
 }
 
 static int show_filelist_p(void)
@@ -383,8 +385,8 @@ static void send_file_entry(int f, struct file_struct *file, int ndx)
                                flags |= XMIT_SAME_RDEV_MAJOR;
                        else
                                rdev_major = major(rdev);
-                       if ((uint32)minor(rdev) <= 0xFFu)
-                               flags |= XMIT_RDEV_MINOR_IS_SMALL;
+                       if (protocol_version < 30 && (uint32)minor(rdev) <= 0xFFu)
+                               flags |= XMIT_RDEV_MINOR_8_pre30;
                }
        } else if (protocol_version < 28)
                rdev = MAKEDEV(0, 0);
@@ -484,19 +486,27 @@ static void send_file_entry(int f, struct file_struct *file, int ndx)
        if (!(flags & XMIT_SAME_MODE))
                write_int(f, to_wire_mode(mode));
        if (preserve_uid && !(flags & XMIT_SAME_UID)) {
-               write_abbrevint30(f, uid);
-               if (flags & XMIT_USER_NAME_FOLLOWS) {
-                       int len = strlen(user_name);
-                       write_byte(f, len);
-                       write_buf(f, user_name, len);
+               if (protocol_version < 30)
+                       write_int(f, uid);
+               else {
+                       write_abbrevint(f, uid);
+                       if (flags & XMIT_USER_NAME_FOLLOWS) {
+                               int len = strlen(user_name);
+                               write_byte(f, len);
+                               write_buf(f, user_name, len);
+                       }
                }
        }
        if (preserve_gid && !(flags & XMIT_SAME_GID)) {
-               write_abbrevint30(f, gid);
-               if (flags & XMIT_GROUP_NAME_FOLLOWS) {
-                       int len = strlen(group_name);
-                       write_byte(f, len);
-                       write_buf(f, group_name, len);
+               if (protocol_version < 30)
+                       write_int(f, gid);
+               else {
+                       write_abbrevint(f, gid);
+                       if (flags & XMIT_GROUP_NAME_FOLLOWS) {
+                               int len = strlen(group_name);
+                               write_byte(f, len);
+                               write_buf(f, group_name, len);
+                       }
                }
        }
        if ((preserve_devices && IS_DEVICE(mode))
@@ -506,8 +516,10 @@ static void send_file_entry(int f, struct file_struct *file, int ndx)
                                write_int(f, (int)rdev);
                } else {
                        if (!(flags & XMIT_SAME_RDEV_MAJOR))
-                               write_int(f, major(rdev));
-                       if (flags & XMIT_RDEV_MINOR_IS_SMALL)
+                               write_abbrevint30(f, major(rdev));
+                       if (protocol_version >= 30)
+                               write_abbrevint(f, minor(rdev));
+                       else if (flags & XMIT_RDEV_MINOR_8_pre30)
                                write_byte(f, minor(rdev));
                        else
                                write_int(f, minor(rdev));
@@ -642,6 +654,7 @@ static struct file_struct *recv_file_entry(struct file_list *flist,
                 || (preserve_specials && IS_SPECIAL(mode))) {
                        uint32 *devp = F_RDEV_P(first);
                        rdev = MAKEDEV(DEV_MAJOR(devp), DEV_MINOR(devp));
+                       extra_len += 2 * EXTRA_LEN;
                }
                if (preserve_links && S_ISLNK(mode))
                        linkname_len = strlen(F_SYMLINK(first)) + 1;
@@ -661,18 +674,26 @@ static struct file_struct *recv_file_entry(struct file_list *flist,
                mode = tweak_mode(mode, chmod_modes);
 
        if (preserve_uid && !(flags & XMIT_SAME_UID)) {
-               uid = (uid_t)read_abbrevint30(f);
-               if (flags & XMIT_USER_NAME_FOLLOWS)
-                       uid = recv_user_name(f, uid);
-               else if (inc_recurse && am_root && !numeric_ids)
-                       uid = match_uid(uid);
+               if (protocol_version < 30)
+                       uid = (uid_t)read_int(f);
+               else {
+                       uid = (uid_t)read_abbrevint(f);
+                       if (flags & XMIT_USER_NAME_FOLLOWS)
+                               uid = recv_user_name(f, uid);
+                       else if (inc_recurse && am_root && !numeric_ids)
+                               uid = match_uid(uid);
+               }
        }
        if (preserve_gid && !(flags & XMIT_SAME_GID)) {
-               gid = (gid_t)read_abbrevint30(f);
-               if (flags & XMIT_GROUP_NAME_FOLLOWS)
-                       gid = recv_group_name(f, gid);
-               else if (inc_recurse && (!am_root || !numeric_ids))
-                       gid = match_gid(gid);
+               if (protocol_version < 30)
+                       gid = (gid_t)read_int(f);
+               else {
+                       gid = (gid_t)read_abbrevint(f);
+                       if (flags & XMIT_GROUP_NAME_FOLLOWS)
+                               gid = recv_group_name(f, gid);
+                       else if (inc_recurse && (!am_root || !numeric_ids))
+                               gid = match_gid(gid);
+               }
        }
 
        if ((preserve_devices && IS_DEVICE(mode))
@@ -683,8 +704,10 @@ static struct file_struct *recv_file_entry(struct file_list *flist,
                } else {
                        uint32 rdev_minor;
                        if (!(flags & XMIT_SAME_RDEV_MAJOR))
-                               rdev_major = read_int(f);
-                       if (flags & XMIT_RDEV_MINOR_IS_SMALL)
+                               rdev_major = read_abbrevint30(f);
+                       if (protocol_version >= 30)
+                               rdev_minor = read_abbrevint(f);
+                       else if (flags & XMIT_RDEV_MINOR_8_pre30)
                                rdev_minor = read_byte(f);
                        else
                                rdev_minor = read_int(f);