- improved filename packing

- fixed sunos EAGAIN bug

1 files changed, 191 insertions, 0 deletions

diff --git a/compat.c b/compat.c
new file mode 100644
index 00000000..2b72f9ba
--- /dev/null
+++ b/compat.c
@@ -0,0 +1,191 @@
+/* 
+   Copyright (C) Andrew Tridgell 1996
+   Copyright (C) Paul Mackerras 1996
+   
+   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.
+   
+   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, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+/* compatability routines for older rsync protocol versions */
+
+#include "rsync.h"
+
+extern int preserve_links;
+extern int preserve_perms;
+extern int preserve_devices;
+extern int preserve_uid;
+extern int preserve_gid;
+extern int preserve_times;
+extern int always_checksum;
+
+
+extern int remote_version;
+
+ void (*send_file_entry)(struct file_struct *file,int f) = NULL;
+ void (*receive_file_entry)(struct file_struct *file,
+			    unsigned char flags,int f) = NULL;
+
+
+void send_file_entry_v10(struct file_struct *file,int f)
+{
+  unsigned char flags;
+  static mode_t last_mode=0;
+  static dev_t last_dev=0;
+  static uid_t last_uid=0;
+  static gid_t last_gid=0;
+  static char lastdir[MAXPATHLEN]="";
+  char *p=NULL;
+
+  if (f == -1) return;
+
+  if (!file) {
+    write_byte(f,0);
+    return;
+  }
+
+  flags = FILE_VALID;
+
+  if (file->mode == last_mode) flags |= SAME_MODE;
+  if (file->dev == last_dev) flags |= SAME_DEV;
+  if (file->uid == last_uid) flags |= SAME_UID;
+  if (file->gid == last_gid) flags |= SAME_GID;
+    
+  if (strncmp(file->name,lastdir,strlen(lastdir)) == 0) {
+    flags |= SAME_DIR;
+    p = file->name + strlen(lastdir);
+  } else {
+    p = file->name;
+  }
+
+  write_byte(f,flags);
+  if (flags & SAME_DIR)
+    write_byte(f,strlen(p));
+  else
+    write_int(f,strlen(p));
+  write_buf(f,p,strlen(p));
+  write_int(f,(int)file->modtime);
+  write_int(f,(int)file->length);
+  if (!(flags & SAME_MODE))
+    write_int(f,(int)file->mode);
+  if (preserve_uid && !(flags & SAME_UID))
+    write_int(f,(int)file->uid);
+  if (preserve_gid && !(flags & SAME_GID))
+    write_int(f,(int)file->gid);
+  if (preserve_devices && IS_DEVICE(file->mode) && !(flags & SAME_DEV))
+    write_int(f,(int)file->dev);
+
+#if SUPPORT_LINKS
+  if (preserve_links && S_ISLNK(file->mode)) {
+    write_int(f,strlen(file->link));
+    write_buf(f,file->link,strlen(file->link));
+  }
+#endif
+
+  if (always_checksum) {
+    write_buf(f,file->sum,SUM_LENGTH);
+  }       
+
+  last_mode = file->mode;
+  last_dev = file->dev;
+  last_uid = file->uid;
+  last_gid = file->gid;
+  p = strrchr(file->name,'/');
+  if (p) {
+    int l = (int)(p - file->name) + 1;
+    strncpy(lastdir,file->name,l);
+    lastdir[l] = 0;
+  } else {
+    strcpy(lastdir,"");
+  }
+}
+
+
+
+void receive_file_entry_v10(struct file_struct *file,
+			    unsigned char flags,int f)
+{
+  static mode_t last_mode=0;
+  static dev_t last_dev=0;
+  static uid_t last_uid=0;
+  static gid_t last_gid=0;
+  static char lastdir[MAXPATHLEN]="";
+  char *p=NULL;
+  int l1,l2;
+
+  if (flags & SAME_DIR) {
+    l1 = read_byte(f);
+    l2 = strlen(lastdir);
+  } else {
+    l1 = read_int(f);
+    l2 = 0;
+  }
+
+  file->name = (char *)malloc(l1+l2+1);
+  if (!file->name) out_of_memory("receive_file_entry");
+
+  strncpy(file->name,lastdir,l2);
+  read_buf(f,file->name+l2,l1);
+  file->name[l1+l2] = 0;
+
+  file->modtime = (time_t)read_int(f);
+  file->length = (off_t)read_int(f);
+  file->mode = (flags & SAME_MODE) ? last_mode : (mode_t)read_int(f);
+  if (preserve_uid)
+    file->uid = (flags & SAME_UID) ? last_uid : (uid_t)read_int(f);
+  if (preserve_gid)
+    file->gid = (flags & SAME_GID) ? last_gid : (gid_t)read_int(f);
+  if (preserve_devices && IS_DEVICE(file->mode))
+    file->dev = (flags & SAME_DEV) ? last_dev : (dev_t)read_int(f);
+
+#if SUPPORT_LINKS
+  if (preserve_links && S_ISLNK(file->mode)) {
+    int l = read_int(f);
+    file->link = (char *)malloc(l+1);
+    if (!file->link) out_of_memory("receive_file_entry");
+    read_buf(f,file->link,l);
+    file->link[l] = 0;
+  }
+#endif
+  
+  if (always_checksum)
+    read_buf(f,file->sum,SUM_LENGTH);
+  
+  last_mode = file->mode;
+  last_dev = file->dev;
+  last_uid = file->uid;
+  last_gid = file->gid;
+  p = strrchr(file->name,'/');
+  if (p) {
+    int l = (int)(p - file->name) + 1;
+    strncpy(lastdir,file->name,l);
+    lastdir[l] = 0;
+  } else {
+    strcpy(lastdir,"");
+  }
+}
+
+
+
+
+void setup_protocol(void)
+{
+  if (remote_version == 10) {
+    send_file_entry = send_file_entry_v10;
+    receive_file_entry = receive_file_entry_v10;
+  } else {
+    send_file_entry = send_file_entry_v11;
+    receive_file_entry = receive_file_entry_v11;
+  }
+}
+