copy.c File Reference

#include <stdio.h>
#include "reg.h"

Include dependency graph for copy.c:

Go to the source code of this file.

Classes
struct	key

Enumerations
enum	operation { COPY_NO , COPY_YES , COPY_ALL }

Functions
static void	output_error (LONG rc)
static enum operation	ask_overwrite_value (WCHAR *path, WCHAR *value)
static int	run_copy (struct key *src, struct key *dest, REGSAM sam, BOOL recurse, BOOL force)
int	reg_copy (int argc, WCHAR *argvW[])

Enumeration Type Documentation

operation

enum operation

Enumerator
COPY_NO
COPY_YES
COPY_ALL

Definition at line 29 of file copy.c.

               {
    COPY_NO,
    COPY_YES,
    COPY_ALL
};

Function Documentation

ask_overwrite_value()

static enum operation ask_overwrite_value ( WCHAR *  path, WCHAR *  value  )

static

Definition at line 43 of file copy.c.

{
    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;
    }
}

Referenced by run_copy().

output_error()

static void output_error ( LONG  rc )

static

Definition at line 35 of file copy.c.

{
    if (rc == ERROR_FILE_NOT_FOUND)
        output_message(STRING_KEY_NONEXIST);
    else
        output_message(STRING_ACCESS_DENIED);
}

Referenced by run_copy().

reg_copy()

int reg_copy	(	int	argc,
		WCHAR *	argvW[]
	)

Definition at line 193 of file copy.c.

{
    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;
}

Referenced by wmain().

run_copy()

static int run_copy ( struct key *  src, struct key *  dest, REGSAM  sam, BOOL  recurse, BOOL  force  )

static

Definition at line 80 of file copy.c.

{
    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;
}

Referenced by reg_copy(), and run_copy().