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* regtool.cc (options): Add 'binary'.

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(usage): Document 'load|unload|save' and '-b'.
	(find_key): Add 'options' parameter, add load/unload.
	(cmd_set): Add KT_BINARY case.
	(cmd_get): Add hex output in KT_BINARY case.
	(cmd_load): New function.
	(cmd_unload): New function.
	(set_privilege): New function.
	(cmd_save): New function.
	(commands): Add load, unload and save.
	(main): Add '-b'
	* utils.sgml (regtool): Document it.
This commit is contained in:
Corinna Vinschen
2006-03-03 09:43:35 +00:00
parent dff8cd7700
commit 17c8ac3992
3 changed files with 212 additions and 11 deletions
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184
winsup/utils/regtool.cc
View File

@@ -1,6 +1,6 @@
/* regtool.cc
Copyright 2000, 2001, 2002, 2003, 2004, 2005 Red Hat Inc.
Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006 Red Hat Inc.
This file is part of Cygwin.
@@ -10,15 +10,17 @@ details. */
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <ctype.h>
#include <getopt.h>
#include <windows.h>
#include <sys/cygwin.h>
#define DEFAULT_KEY_SEPARATOR '\\'
enum
{
KT_AUTO, KT_INT, KT_STRING, KT_EXPAND, KT_MULTI
KT_AUTO, KT_BINARY, KT_INT, KT_STRING, KT_EXPAND, KT_MULTI
} key_type = KT_AUTO;
char key_sep = DEFAULT_KEY_SEPARATOR;
@@ -32,6 +34,7 @@ static char *prog_name;
static struct option longopts[] =
{
{"binary", no_argument, NULL, 'b' },
{"expand-string", no_argument, NULL, 'e' },
{"help", no_argument, NULL, 'h' },
{"integer", no_argument, NULL, 'i' },
@@ -47,7 +50,7 @@ static struct option longopts[] =
{NULL, 0, NULL, 0}
};
static char opts[] = "ehiklmpqsvVK:";
static char opts[] = "behiklmpqsvVK:";
int listwhat = 0;
int postfix = 0;
@@ -62,7 +65,7 @@ static void
usage (FILE *where = stderr)
{
fprintf (where, ""
"Usage: %s [OPTION] (add | check | get | list | remove | unset) KEY\n"
"Usage: %s [OPTION] (add|check|get|list|remove|unset|load|unload|save) KEY\n"
"View or edit the Win32 registry\n"
"\n"
"", prog_name);
@@ -76,6 +79,9 @@ usage (FILE *where = stderr)
" remove KEY remove KEY\n"
" set KEY\\VALUE [data ...] set VALUE\n"
" unset KEY\\VALUE removes VALUE from KEY\n"
" load KEY\\SUBKEY PATH load hive from PATH into new SUBKEY\n"
" unload KEY\\SUBKEY unload hive and remove SUBKEY\n"
" save KEY\\SUBKEY PATH save SUBKEY into new hive PATH\n"
"\n");
fprintf (where, ""
"Options for 'list' Action:\n"
@@ -83,7 +89,11 @@ usage (FILE *where = stderr)
" -l, --list print only VALUEs\n"
" -p, --postfix like ls -p, appends '\\' postfix to KEY names\n"
"\n"
"Options for 'get' Action:\n"
" -b, --binary print REG_BINARY data as hex bytes\n"
"\n"
"Options for 'set' Action:\n"
" -b, --binary set type to REG_BINARY (hex args or '-')\n"
" -e, --expand-string set type to REG_EXPAND_SZ\n"
" -i, --integer set type to REG_DWORD\n"
" -m, --multi-string set type to REG_MULTI_SZ\n"
@@ -265,7 +275,7 @@ translate (char *key)
}
void
find_key (int howmanyparts, REGSAM access)
find_key (int howmanyparts, REGSAM access, int option = 0)
{
HKEY base;
int rv;
@@ -348,9 +358,44 @@ find_key (int howmanyparts, REGSAM access)
key = base;
else
{
rv = RegOpenKeyEx (base, n, 0, access, &key);
if (rv != ERROR_SUCCESS)
Fail (rv);
if (access)
{
rv = RegOpenKeyEx (base, n, 0, access, &key);
if (option && (rv == ERROR_SUCCESS || rv == ERROR_ACCESS_DENIED))
{
/* reopen with desired option due to missing option support in RegOpenKeyE */
/* FIXME: may create the key in rare cases (e.g. access denied in parent) */
HKEY key2;
if (RegCreateKeyEx (base, n, 0, NULL, option, access, NULL, &key2, NULL)
== ERROR_SUCCESS)
{
if (rv == ERROR_SUCCESS)
RegCloseKey (key);
key = key2;
rv = ERROR_SUCCESS;
}
}
if (rv != ERROR_SUCCESS)
Fail (rv);
}
else if (argv[1])
{
char win32_path[MAX_PATH];
cygwin_conv_to_win32_path (argv[1], win32_path);
rv = RegLoadKey (base, n, win32_path);
if (rv != ERROR_SUCCESS)
Fail (rv);
if (verbose)
printf ("key %s loaded from file %s\n", n, win32_path);
}
else
{
rv = RegUnLoadKey (base, n);
if (rv != ERROR_SUCCESS)
Fail (rv);
if (verbose)
printf ("key %s unloaded\n", n);
}
}
//printf("key `%s' value `%s'\n", n, value);
}
@@ -491,7 +536,7 @@ cmd_set ()
{
int i, n;
DWORD v, rv;
char *a = argv[1], *data;
char *a = argv[1], *data = 0;
find_key (2, KEY_ALL_ACCESS);
if (key_type == KT_AUTO)
@@ -510,6 +555,43 @@ cmd_set ()
switch (key_type)
{
case KT_BINARY:
for (n = 0; argv[n+1]; n++)
;
if (n == 1 && strcmp (argv[1], "-") == 0)
{ /* read from stdin */
i = n = 0;
for (;;)
{
if (i <= n)
{
i = n + BUFSIZ;
data = (char *) realloc (data, i);
}
int r = fread (data+n, 1, i-n, stdin);
if (r <= 0)
break;
n += r;
}
}
else if (n > 0)
{ /* parse hex from argv */
data = (char *) malloc (n);
for (i = 0; i < n; i++)
{
char *e;
errno = 0;
v = strtoul (argv[i+1], &e, 16);
if (errno || v > 0xff || *e)
{
fprintf (stderr, "Invalid hex constant `%s'\n", argv[i+1]);
exit (1);
}
data[i] = (char) v;
}
}
rv = RegSetValueEx (key, value, 0, REG_BINARY, (const BYTE *) data, n);
break;
case KT_INT:
v = strtoul (a, 0, 0);
rv = RegSetValueEx (key, value, 0, REG_DWORD, (const BYTE *) &v,
@@ -542,6 +624,9 @@ cmd_set ()
rv = ERROR_INVALID_CATEGORY;
break;
}
if (data)
free(data);
if (rv != ERROR_SUCCESS)
Fail (rv);
@@ -577,7 +662,14 @@ cmd_get ()
switch (vtype)
{
case REG_BINARY:
fwrite (data, dsize, 1, stdout);
if (key_type == KT_BINARY)
{
for (unsigned i = 0; i < dsize; i++)
printf ("%02x%c", (unsigned char)data[i],
(i < dsize-1 ? ' ' : '\n'));
}
else
fwrite (data, dsize, 1, stdout);
break;
case REG_DWORD:
printf ("%lu\n", *(DWORD *) data);
@@ -610,6 +702,72 @@ cmd_get ()
return 0;
}
int
cmd_load ()
{
if (!argv[1])
{
usage ();
return 1;
}
find_key (1, 0);
return 0;
}
int
cmd_unload ()
{
if (argv[1])
{
usage ();
return 1;
}
find_key (1, 0);
return 0;
}
DWORD
set_privilege (const char * name)
{
TOKEN_PRIVILEGES tp;
if (!LookupPrivilegeValue (NULL, name, &tp.Privileges[0].Luid))
return GetLastError ();
tp.PrivilegeCount = 1;
tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
HANDLE t;
/* OpenProcessToken does not work here, because main thread has its own
impersonation token */
if (!OpenThreadToken (GetCurrentThread (), TOKEN_ADJUST_PRIVILEGES, FALSE, &t))
return GetLastError ();
AdjustTokenPrivileges (t, FALSE, &tp, 0, NULL, NULL);
DWORD rv = GetLastError ();
CloseHandle (t);
return rv;
}
int
cmd_save ()
{
if (!argv[1])
{
usage ();
return 1;
}
/* try to set SeBackupPrivilege, let RegSaveKey report the error */
set_privilege (SE_BACKUP_NAME);
/* REG_OPTION_BACKUP_RESTORE is necessary to save /HKLM/SECURITY */
find_key (1, KEY_QUERY_VALUE, REG_OPTION_BACKUP_RESTORE);
char win32_path[MAX_PATH];
cygwin_conv_to_win32_path (argv[1], win32_path);
DWORD rv = RegSaveKey (key, win32_path, NULL);
if (rv != ERROR_SUCCESS)
Fail (rv);
if (verbose)
printf ("key saved to %s\n", win32_path);
return 0;
}
struct
{
const char *name;
@@ -623,6 +781,9 @@ struct
{"set", cmd_set},
{"unset", cmd_unset},
{"get", cmd_get},
{"load", cmd_load},
{"unload", cmd_unload},
{"save", cmd_save},
{0, 0}
};
@@ -642,6 +803,9 @@ main (int argc, char **_argv)
while ((g = getopt_long (argc, _argv, opts, longopts, NULL)) != EOF)
switch (g)
{
case 'b':
key_type = KT_BINARY;
break;
case 'e':
key_type = KT_EXPAND;
break;