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Reactos
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#include <stdio.h>#include "reg.h"
struct key { HKEY root; /* system key */ WCHAR *subkey; /* relative path to subkey */ HKEY hkey; /* handle to opened or created key */ WCHAR *path; /* full path to subkey */};
enum operation { COPY_NO, COPY_YES, COPY_ALL};
static void output_error(LONG rc){ if (rc == ERROR_FILE_NOT_FOUND) output_message(STRING_KEY_NONEXIST); else output_message(STRING_ACCESS_DENIED);}
static enum operation ask_overwrite_value(WCHAR *path, WCHAR *value){ HMODULE hmod; static WCHAR Ybuffer[4]; static WCHAR Nbuffer[4]; static WCHAR Abuffer[4]; static WCHAR defval[32]; WCHAR answer[MAX_PATH]; WCHAR *str; DWORD count;
hmod = GetModuleHandleW(NULL); LoadStringW(hmod, STRING_YES, Ybuffer, ARRAY_SIZE(Ybuffer)); LoadStringW(hmod, STRING_NO, Nbuffer, ARRAY_SIZE(Nbuffer)); LoadStringW(hmod, STRING_ALL, Abuffer, ARRAY_SIZE(Abuffer)); LoadStringW(hmod, STRING_DEFAULT_VALUE, defval, ARRAY_SIZE(defval));
str = (value && *value) ? value : defval;
while (1) { output_message(STRING_COPY_CONFIRM, path, str); output_message(STRING_YESNOALL);
ReadConsoleW(GetStdHandle(STD_INPUT_HANDLE), answer, ARRAY_SIZE(answer), &count, NULL);
*answer = towupper(*answer);
if (*answer == *Ybuffer) return COPY_YES; if (*answer == *Nbuffer) return COPY_NO; if (*answer == *Abuffer) return COPY_ALL; }}
static int run_copy(struct key *src, struct key *dest, REGSAM sam, BOOL recurse, BOOL force){ LONG rc; DWORD max_subkey_len; DWORD max_name_len, name_len; DWORD max_data_size, data_size; DWORD type, dispos, i; WCHAR *name = NULL; BYTE *data = NULL;
if ((rc = RegOpenKeyExW(src->root, src->subkey, 0, KEY_READ|sam, &src->hkey))) { output_error(rc); return 1; }
if ((rc = RegCreateKeyExW(dest->root, dest->subkey, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_READ|KEY_WRITE|sam, NULL, &dest->hkey, &dispos))) { RegCloseKey(src->hkey); output_error(rc); return 1; }
rc = RegQueryInfoKeyW(src->hkey, NULL, NULL, NULL, NULL, &max_subkey_len, NULL, NULL, &max_name_len, &max_data_size, NULL, NULL); if (rc) goto cleanup;
max_name_len = max(max_subkey_len, max_name_len) + 1;
if (!(name = malloc(max_name_len * sizeof(WCHAR)))) { rc = ERROR_NOT_ENOUGH_MEMORY; goto cleanup; }
if (!(data = malloc(max_data_size))) { rc = ERROR_NOT_ENOUGH_MEMORY; goto cleanup; }
for (i = 0; ; i++) { name_len = max_name_len; data_size = max_data_size;
rc = RegEnumValueW(src->hkey, i, name, &name_len, NULL, &type, data, &data_size); if (rc == ERROR_NO_MORE_ITEMS) break; if (rc) goto cleanup;
if (!force && dispos == REG_OPENED_EXISTING_KEY) { if (!RegQueryValueExW(dest->hkey, name, NULL, NULL, NULL, NULL)) { enum operation op;
op = ask_overwrite_value(src->path, name); if (op == COPY_NO) continue; if (op == COPY_ALL) force = TRUE; } }
if ((rc = RegSetValueExW(dest->hkey, name, 0, type, data, data_size))) { output_error(rc); goto cleanup; } }
for (i = 0; recurse; i++) { struct key subkey_src, subkey_dest; size_t path_len;
name_len = max_name_len;
rc = RegEnumKeyExW(src->hkey, i, name, &name_len, NULL, NULL, NULL, NULL); if (rc) break;
subkey_src.root = src->hkey; subkey_src.subkey = name;
subkey_dest.root = dest->hkey; subkey_dest.subkey = name;
path_len = lstrlenW(src->path) + name_len + 2;
if (!(subkey_src.path = malloc(path_len * sizeof(WCHAR)))) { rc = ERROR_NOT_ENOUGH_MEMORY; goto cleanup; }
swprintf(subkey_src.path, L"%s\\%s", src->path, name);
rc = run_copy(&subkey_src, &subkey_dest, sam, TRUE, force);
free(subkey_src.path);
if (rc) goto cleanup; }
cleanup: free(name); free(data);
RegCloseKey(src->hkey); RegCloseKey(dest->hkey);
return rc != ERROR_NO_MORE_ITEMS;}
int reg_copy(int argc, WCHAR *argvW[]){ struct key src, dest; BOOL recurse = FALSE, force = FALSE; REGSAM sam = 0; int i;
if (argc == 3) goto invalid;
if (!parse_registry_key(argvW[2], &src.root, &src.subkey)) return 1;
if (!parse_registry_key(argvW[3], &dest.root, &dest.subkey)) return 1;
for (i = 4; i < argc; i++) { WCHAR *str;
if (argvW[i][0] != '/' && argvW[i][0] != '-') goto invalid;
str = &argvW[i][1];
if (!lstrcmpiW(str, L"reg:32")) { if (sam & KEY_WOW64_32KEY) goto invalid; sam |= KEY_WOW64_32KEY; continue; } else if (!lstrcmpiW(str, L"reg:64")) { if (sam & KEY_WOW64_64KEY) goto invalid; sam |= KEY_WOW64_64KEY; continue; } else if (!str[0] || str[1]) goto invalid;
switch (towlower(*str)) { case 's': if (recurse) goto invalid; recurse = TRUE; break; case 'f': if (force) goto invalid; force = TRUE; break; default: goto invalid; } }
if (sam == (KEY_WOW64_32KEY|KEY_WOW64_64KEY)) goto invalid;
if (src.root == dest.root && !lstrcmpiW(src.subkey, dest.subkey)) { output_message(STRING_COPY_SRC_DEST_SAME); return 1; }
src.path = src.subkey;
return run_copy(&src, &dest, sam, recurse, force);
invalid: output_message(STRING_INVALID_SYNTAX); output_message(STRING_FUNC_HELP, _wcsupr(argvW[1])); return 1;}