a4bc548973
Call `RegOpenKeyEx' with that desired access.
(cmd_add, cmd_remove, cmd_set, cmd_unset): Call
`find_key' with KEY_ALL_ACCESS access.
(cmd_list, cmd_check, cmd_get): Call `find_key'
with KEY_READ access.
525 lines
11 KiB
C++
525 lines
11 KiB
C++
/* regtool.cc
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Copyright 2000 Red Hat Inc.
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#include <stdio.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <getopt.h>
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#include <windows.h>
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enum {
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KT_AUTO, KT_INT, KT_STRING, KT_EXPAND, KT_MULTI
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} key_type = KT_AUTO;
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int verbose = 0;
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int quiet = 0;
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char **argv;
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HKEY key;
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char *value;
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const char *usage_msg[] =
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{
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"Regtool Copyright (c) 2000 Red Hat Inc",
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" regtool -h - print this message",
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" regtool [-v] list [key] - list subkeys and values",
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" regtool [-v] add [key\\subkey] - add new subkey",
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" regtool [-v] remove [key] - remove key",
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" regtool [-v|-q] check [key] - exit 0 if key exists, 1 if not",
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" regtool [-i|-s|-e|-m] set [key\\value] [data ...] - set value",
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" -i=integer -s=string -e=expand-string -m=multi-string",
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" regtool [-v] unset [key\\value] - removes value from key",
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" regtool [-q] get [key\\value] - prints value to stdout",
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" -q=quiet, no error msg, just return nonzero exit if key/value missing",
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" keys are like \\prefix\\key\\key\\key\\value, where prefix is any of:",
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" root HKCR HKEY_CLASSES_ROOT",
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" config HKCC HKEY_CURRENT_CONFIG",
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" user HKCU HKEY_CURRENT_USER",
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" machine HKLM HKEY_LOCAL_MACHINE",
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" users HKU HKEY_USERS",
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" example: \\user\\software\\Microsoft\\Clock\\iFormat",
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0
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};
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void
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usage(void)
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{
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int i;
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for (i=0; usage_msg[i]; i++)
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fprintf(stderr, "%s\n", usage_msg[i]);
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exit(1);
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}
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void
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Fail(DWORD rv)
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{
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char *buf;
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if (!quiet)
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{
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FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER
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| FORMAT_MESSAGE_FROM_SYSTEM,
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0, rv, 0, (CHAR *)&buf, 0, 0);
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fprintf(stderr, "Error: %s\n", buf);
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}
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exit(1);
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}
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struct {
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const char *string;
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HKEY key;
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} wkprefixes[] = {
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{ "root", HKEY_CLASSES_ROOT },
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{ "HKCR", HKEY_CLASSES_ROOT },
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{ "HKEY_CLASSES_ROOT", HKEY_CLASSES_ROOT },
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{ "config", HKEY_CURRENT_CONFIG },
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{ "HKCC", HKEY_CURRENT_CONFIG },
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{ "HKEY_CURRENT_CONFIG", HKEY_CURRENT_CONFIG },
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{ "user", HKEY_CURRENT_USER },
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{ "HKCU", HKEY_CURRENT_USER },
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{ "HKEY_CURRENT_USER", HKEY_CURRENT_USER },
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{ "machine", HKEY_LOCAL_MACHINE },
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{ "HKLM", HKEY_LOCAL_MACHINE },
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{ "HKEY_LOCAL_MACHINE", HKEY_LOCAL_MACHINE },
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{ "users", HKEY_USERS },
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{ "HKU", HKEY_USERS },
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{ "HKEY_USERS", HKEY_USERS },
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{ 0, 0 }
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};
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void translate(char *key)
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{
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#define isodigit(c) (strchr("01234567", c))
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#define tooct(c) ((c)-'0')
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#define tohex(c) (strchr(_hs,tolower(c))-_hs)
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static char _hs[] = "0123456789abcdef";
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char *d = key;
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char *s = key;
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char c;
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while (*s)
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{
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if (*s == '\\')
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switch (*++s)
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{
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case 'a':
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*d++ = '\007';
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break;
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case 'b':
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*d++ = '\b';
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break;
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case 'e':
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*d++ = '\033';
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break;
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case 'f':
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*d++ = '\f';
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break;
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case 'n':
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*d++ = '\n';
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break;
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case 'r':
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*d++ = '\r';
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break;
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case 't':
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*d++ = '\t';
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break;
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case 'v':
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*d++ = '\v';
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break;
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case '0': case '1': case '2': case '3':
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case '4': case '5': case '6': case '7':
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c = tooct(*s);
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if (isodigit(s[1]))
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{
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c = (c << 3) | tooct(*++s);
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if (isodigit(s[1]))
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c = (c << 3) | tooct(*++s);
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}
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*d++ = c;
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break;
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case 'x':
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if (isxdigit(s[1]))
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{
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c = tohex(*++s);
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if (isxdigit(s[1]))
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c = (c << 4) | tohex(*++s);
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}
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*d++ = c;
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break;
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default: /* before non-special char: just add the char */
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*d++ = *s;
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break;
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}
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else if (*s == '/')
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*d++ = '\\';
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else
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*d++ = *s;
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++s;
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}
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*d = '\0';
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}
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void
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find_key(int howmanyparts, REGSAM access)
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{
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char *n = argv[0], *e, c;
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int i;
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if (*n == '/')
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translate(n);
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while (*n == '\\')
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n++;
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for (e=n; *e && *e != '\\'; e++);
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c = *e;
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*e = 0;
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for (i=0; wkprefixes[i].string; i++)
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if (strcmp(wkprefixes[i].string, n) == 0)
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break;
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if (!wkprefixes[i].string)
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{
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fprintf(stderr, "Unknown key prefix. Valid prefixes are:\n");
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for (i=0; wkprefixes[i].string; i++)
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fprintf(stderr, "\t%s\n", wkprefixes[i].string);
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exit(1);
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}
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n = e;
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*e = c;
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while (*n && *n == '\\')
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n++;
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e = n+strlen(n);
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if (howmanyparts > 1)
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{
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while (n < e && *e != '\\')
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e--;
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if (*e != '\\')
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{
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fprintf(stderr, "Invalid key\n");
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exit(1);
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}
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*e = 0;
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value = e+1;
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}
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if (n[0] == 0)
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{
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key = wkprefixes[i].key;
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return;
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}
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int rv = RegOpenKeyEx(wkprefixes[i].key, n, 0, access, &key);
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if (rv != ERROR_SUCCESS)
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Fail(rv);
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//printf("key `%s' value `%s'\n", n, value);
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}
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int
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cmd_list()
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{
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DWORD num_subkeys, maxsubkeylen, num_values, maxvalnamelen, maxvaluelen;
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DWORD maxclasslen;
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char *subkey_name, *value_name, *class_name;
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unsigned char *value_data, *vd;
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DWORD i, j, m, n, t;
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int v;
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find_key(1, KEY_READ);
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RegQueryInfoKey(key, 0, 0, 0, &num_subkeys, &maxsubkeylen, &maxclasslen,
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&num_values, &maxvalnamelen, &maxvaluelen, 0, 0);
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subkey_name = (char *)malloc(maxsubkeylen+1);
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class_name = (char *)malloc(maxclasslen+1);
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value_name = (char *)malloc(maxvalnamelen+1);
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value_data = (unsigned char *)malloc(maxvaluelen+1);
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for (i=0; i<num_subkeys; i++)
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{
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m = maxsubkeylen+1;
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n = maxclasslen+1;
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RegEnumKeyEx(key, i, subkey_name, &m, 0, class_name, &n, 0);
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if (verbose)
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printf("%s\\ (%s)\n", subkey_name, class_name);
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else
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printf("%s\n", subkey_name);
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}
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for (i=0; i<num_values; i++)
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{
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m = maxvalnamelen+1;
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n = maxvaluelen+1;
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RegEnumValue(key, i, value_name, &m, 0, &t, (BYTE *)value_data, &n);
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if (!verbose)
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printf("%s\n", value_name);
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else
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{
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printf("%s = ", value_name);
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switch (t)
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{
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case REG_BINARY:
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for (j=0; j<8 && j<n; j++)
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printf("%02x ", value_data[j]);
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printf("\n");
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break;
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case REG_DWORD:
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printf("0x%08lx (%lu)\n", *(DWORD *)value_data,
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*(DWORD *)value_data);
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break;
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case REG_DWORD_BIG_ENDIAN:
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v = ((value_data[0] << 24)
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| (value_data[1] << 16)
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| (value_data[2] << 8)
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| (value_data[3]));
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printf("0x%08x (%d)\n", v, v);
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break;
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case REG_EXPAND_SZ:
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case REG_SZ:
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printf("\"%s\"\n", value_data);
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break;
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case REG_MULTI_SZ:
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vd = value_data;
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while (vd && *vd)
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{
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printf("\"%s\"", vd);
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vd = vd+strlen((const char *)vd) + 1;
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if (*vd)
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printf(", ");
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}
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printf("\n");
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break;
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default:
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printf("? (type %d)\n", (int)t);
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}
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}
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}
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return 0;
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}
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int
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cmd_add()
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{
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find_key(2, KEY_ALL_ACCESS);
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HKEY newkey;
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DWORD newtype;
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int rv = RegCreateKeyEx(key, value, 0, (char *)"", REG_OPTION_NON_VOLATILE,
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KEY_ALL_ACCESS, 0, &newkey, &newtype);
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if (rv != ERROR_SUCCESS)
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Fail(rv);
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if (verbose)
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{
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if (newtype == REG_OPENED_EXISTING_KEY)
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printf("Key %s already exists\n", value);
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else
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printf("Key %s created\n", value);
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}
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return 0;
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}
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int
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cmd_remove()
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{
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find_key(2, KEY_ALL_ACCESS);
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DWORD rv = RegDeleteKey(key, value);
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if (rv != ERROR_SUCCESS)
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Fail(rv);
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if (verbose)
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printf("subkey %s deleted\n", value);
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return 0;
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}
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int
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cmd_check()
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{
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find_key(1, KEY_READ);
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if (verbose)
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printf("key %s exists\n", argv[0]);
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return 0;
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}
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int
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cmd_set()
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{
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int i, n;
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DWORD v, rv;
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char *a = argv[1], *data;
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find_key(2, KEY_ALL_ACCESS);
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if (key_type == KT_AUTO)
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{
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char *e;
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strtoul(a, &e, 0);
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if (a[0] == '%')
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key_type = KT_EXPAND;
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else if (a[0] && !*e)
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key_type = KT_INT;
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else if (argv[2])
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key_type = KT_MULTI;
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else
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key_type = KT_STRING;
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}
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switch (key_type)
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{
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case KT_INT:
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v = strtoul(a, 0, 0);
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rv = RegSetValueEx(key, value, 0, REG_DWORD, (const BYTE *)&v, sizeof(v));
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break;
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case KT_STRING:
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rv = RegSetValueEx(key, value, 0, REG_SZ, (const BYTE *)a, strlen(a));
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break;
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case KT_EXPAND:
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rv = RegSetValueEx(key, value, 0, REG_EXPAND_SZ, (const BYTE *)a, strlen(a));
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break;
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case KT_MULTI:
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for (i=1, n=1; argv[i]; i++)
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n += strlen(argv[i])+1;
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data = (char *)malloc(n);
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for (i=1, n=0; argv[i]; i++)
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{
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strcpy(data+n, argv[i]);
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n += strlen(argv[i])+1;
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}
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data[n] = 0;
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rv = RegSetValueEx(key, value, 0, REG_MULTI_SZ, (const BYTE *)data, n+1);
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break;
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case KT_AUTO:
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break;
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}
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if (rv != ERROR_SUCCESS)
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Fail(rv);
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return 0;
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}
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int
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cmd_unset()
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{
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find_key(2, KEY_ALL_ACCESS);
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DWORD rv = RegDeleteValue(key, value);
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if (rv != ERROR_SUCCESS)
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Fail(rv);
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if (verbose)
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printf("value %s deleted\n", value);
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return 0;
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}
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int
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cmd_get()
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{
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find_key(2, KEY_READ);
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DWORD vtype, dsize, rv;
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char *data, *vd;
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rv = RegQueryValueEx(key, value, 0, &vtype, 0, &dsize);
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if (rv != ERROR_SUCCESS)
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Fail(rv);
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dsize++;
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data = (char *)malloc(dsize);
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rv = RegQueryValueEx(key, value, 0, &vtype, (BYTE *)data, &dsize);
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if (rv != ERROR_SUCCESS)
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Fail(rv);
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switch (vtype)
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{
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case REG_BINARY:
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fwrite(data, dsize, 0, stdout);
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break;
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case REG_DWORD:
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printf("%lu\n", *(DWORD *)data);
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break;
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case REG_SZ:
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printf("%s\n", data);
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break;
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case REG_EXPAND_SZ:
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if (key_type == KT_EXPAND) // hack
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{
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char *buf;
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DWORD bufsize;
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bufsize = ExpandEnvironmentStrings(data, 0, 0);
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buf = (char *)malloc(bufsize+1);
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ExpandEnvironmentStrings(data, buf, bufsize+1);
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data = buf;
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}
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printf("%s\n", data);
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break;
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case REG_MULTI_SZ:
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vd = data;
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while (vd && *vd)
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{
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printf("%s\n", vd);
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vd = vd+strlen((const char *)vd) + 1;
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}
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break;
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}
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return 0;
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}
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struct {
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const char *name;
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int (*func)();
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} commands[] = {
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{ "list", cmd_list },
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{ "add", cmd_add },
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{ "remove", cmd_remove },
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{ "check", cmd_check },
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{ "set", cmd_set },
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{ "unset", cmd_unset },
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{ "get", cmd_get },
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{ 0, 0 }
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};
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int
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main(int argc, char **_argv)
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{
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while (1)
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{
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int g = getopt (argc, _argv, "hvqisem");
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if (g == -1)
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break;
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switch (g)
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{
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case 'v':
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verbose ++;
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break;
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case 'q':
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quiet ++;
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break;
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case 'i':
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key_type = KT_INT;
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break;
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case 's':
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key_type = KT_STRING;
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break;
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case 'e':
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key_type = KT_EXPAND;
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break;
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case 'm':
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key_type = KT_MULTI;
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break;
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case '?':
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case 'h':
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usage();
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}
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}
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if (_argv[optind] == NULL)
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usage();
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argv = _argv+optind;
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int i;
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for (i=0; commands[i].name; i++)
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if (strcmp(commands[i].name, argv[0]) == 0)
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{
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argv++;
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return commands[i].func();
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}
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usage();
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return 0;
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}
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