* regtool.cc (Fail): Be more verbose.

	(find_key): Add support for remote registry access.
	(usage): Document it.
	* utils.sgml: Document it.

3 files changed, 70 insertions, 20 deletions

diff --git a/winsup/utils/ChangeLog b/winsup/utils/ChangeLog
index dd09e50..6a67038 100644
--- a/winsup/utils/ChangeLog
+++ b/winsup/utils/ChangeLog
@@ -1,3 +1,10 @@
+2002-06-06  Egor Duda <deo@logos-m.ru>
+
+	* regtool.cc (Fail): Be more verbose.
+	(find_key): Add support for remote registry access.
+	(usage): Document it.
+	* utils.sgml: Document it.
+
 2002-06-06  Christopher Faylor  <cgf@redhat.com>
 
 	* strace.cc (main): Make toggle a local variable.
diff --git a/winsup/utils/regtool.cc b/winsup/utils/regtool.cc
index b4a3b7d..ffaab6a 100644
--- a/winsup/utils/regtool.cc
+++ b/winsup/utils/regtool.cc
@@ -91,12 +91,16 @@ usage (FILE *where = stderr)
   "\n");
   if (where == stdout)
     fprintf (where, ""
-    "KEY is in the format \\prefix\\KEY\\KEY\\VALUE, where prefix is any of:\n"
-    "  \\root     HKCR  HKEY_CLASSES_ROOT\n"
-    "  \\config   HKCC  HKEY_CURRENT_CONFIG\n"
-    "  \\user     HKCU  HKEY_CURRENT_USER\n"
-    "  \\machine  HKLM  HKEY_LOCAL_MACHINE\n"
-    "  \\users    HKU   HKEY_USERS\n"
+    "KEY is in the format [host]\\prefix\\KEY\\KEY\\VALUE, where host is optional\n"
+    "remote host in either \\\\hostname or hostname: format and prefix is any of:\n"
+    "  root     HKCR  HKEY_CLASSES_ROOT (local only)\n"
+    "  config   HKCC  HKEY_CURRENT_CONFIG (local only)\n"
+    "  user     HKCU  HKEY_CURRENT_USER (local only)\n"
+    "  machine  HKLM  HKEY_LOCAL_MACHINE\n"
+    "  users    HKU   HKEY_USERS\n"
+    "\n"
+    "You can use forward slash ('/') as a separator instead of backslash, in\n"
+    "that case backslash is treated as escape character\n"
     "");
   fprintf (where, ""
   "Example: %s get '\\user\\software\\Microsoft\\Clock\\iFormat'\n", prog_name);
@@ -136,7 +140,7 @@ Fail (DWORD rv)
       FormatMessage (FORMAT_MESSAGE_ALLOCATE_BUFFER
 		     | FORMAT_MESSAGE_FROM_SYSTEM,
 		     0, rv, 0, (CHAR *) & buf, 0, 0);
-      fprintf (stderr, "Error: %s\n", buf);
+      fprintf (stderr, "Error (%ld): %s\n", rv, buf);
       LocalFree (buf);
     }
   exit (1);
@@ -251,12 +255,38 @@ translate (char *key)
 void
 find_key (int howmanyparts, REGSAM access)
 {
-  char *n = argv[0], *e, c;
+  HKEY base;
+  int rv;
+  char *n = argv[0], *e, *h, c;
+  char* host = NULL;
   int i;
   if (*n == '/')
     translate (n);
-  while (*n == '\\')
+  if (*n != '\\')
+    {
+      /* expect host:/key/value format */
+      host = (char*) malloc (strlen (n) + 1);
+      host[0] = host [1] = '\\'; 
+      for (e = n, h = host + 2; *e && *e != ':'; e++, h++)
+        *h = *e;
+      *h = 0;
+      n = e + 1;
+      if (*n == '/')
+        translate (n);
+    }
+  else if (n[0] == '\\' && n[1] == '\\')
+    {
+      /* expect //host/key/value format */
+      host = (char*) malloc (strlen (n) + 1);
+      host[0] = host[1] = '\\'; 
+      for (e = n + 2, h = host + 2; *e && *e != '\\'; e++, h++)
+        *h = *e;
+      *h = 0;
+      n = e;
+    }
+  while (*n != '\\')
     n++;
+  *n++ = 0;
   for (e = n; *e && *e != '\\'; e++);
   c = *e;
   *e = 0;
@@ -292,14 +322,24 @@ find_key (int howmanyparts, REGSAM access)
 	  value = e + 1;
 	}
     }
+  if (host)
+    {
+      rv = RegConnectRegistry (host, wkprefixes[i].key, &base);
+      if (rv != ERROR_SUCCESS)
+	Fail (rv);
+      free (host);
+    }
+  else
+    base = wkprefixes[i].key;
+
   if (n[0] == 0)
+    key = base;
+  else
     {
-      key = wkprefixes[i].key;
-      return;
+      rv = RegOpenKeyEx (base, n, 0, access, &key);
+      if (rv != ERROR_SUCCESS)
+	Fail (rv);
     }
-  int rv = RegOpenKeyEx (wkprefixes[i].key, n, 0, access, &key);
-  if (rv != ERROR_SUCCESS)
-    Fail (rv);
   //printf("key `%s' value `%s'\n", n, value);
 }
 
diff --git a/winsup/utils/utils.sgml b/winsup/utils/utils.sgml
index 6677611..e0ad2f9 100644
--- a/winsup/utils/utils.sgml
+++ b/winsup/utils/utils.sgml
@@ -710,12 +710,15 @@ Regtool Copyright (c) 2000 Red Hat Inc
  regtool [-v] unset [key\value]  - removes value from key
  regtool [-q] get [key\value]  - prints value to stdout
      -q=quiet, no error msg, just return nonzero exit if key/value missing
- keys are like \prefix\key\key\key\value, where prefix is any of:
-   root     HKCR  HKEY_CLASSES_ROOT
-   config   HKCC  HKEY_CURRENT_CONFIG
-   user     HKCU  HKEY_CURRENT_USER
-   machine  HKLM  HKEY_LOCAL_MACHINE
-   users    HKU   HKEY_USERS
+ key is in the format [host]\prefix\KEY\KEY\VALUE, where host is optional
+ remote host in either \\hostname or hostname: format and prefix is any of:
+ root     HKCR  HKEY_CLASSES_ROOT (local only)
+ config   HKCC  HKEY_CURRENT_CONFIG (local only)
+ user     HKCU  HKEY_CURRENT_USER (local only)
+ machine  HKLM  HKEY_LOCAL_MACHINE
+ users    HKU   HKEY_USERS
+ You can use forward slash ('/') as a separator instead of backslash, in
+ that case backslash is treated as escape character.
  example: \user\software\Microsoft\Clock\iFormat
 </screen>