diff options
Diffstat (limited to 'windows/winstore.c')
| -rw-r--r-- | windows/winstore.c | 873 |
1 files changed, 0 insertions, 873 deletions
diff --git a/windows/winstore.c b/windows/winstore.c deleted file mode 100644 index 09e5c028..00000000 --- a/windows/winstore.c +++ /dev/null @@ -1,873 +0,0 @@ -/* - * winstore.c: Windows-specific implementation of the interface - * defined in storage.h. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <limits.h> -#include <assert.h> -#include "putty.h" -#include "storage.h" - -#include <shlobj.h> -#ifndef CSIDL_APPDATA -#define CSIDL_APPDATA 0x001a -#endif -#ifndef CSIDL_LOCAL_APPDATA -#define CSIDL_LOCAL_APPDATA 0x001c -#endif - -static const char *const reg_jumplist_key = PUTTY_REG_POS "\\Jumplist"; -static const char *const reg_jumplist_value = "Recent sessions"; -static const char *const puttystr = PUTTY_REG_POS "\\Sessions"; - -static bool tried_shgetfolderpath = false; -static HMODULE shell32_module = NULL; -DECL_WINDOWS_FUNCTION(static, HRESULT, SHGetFolderPathA, - (HWND, int, HANDLE, DWORD, LPSTR)); - -struct settings_w { - HKEY sesskey; -}; - -settings_w *open_settings_w(const char *sessionname, char **errmsg) -{ - HKEY subkey1, sesskey; - int ret; - strbuf *sb; - - *errmsg = NULL; - - if (!sessionname || !*sessionname) - sessionname = "Default Settings"; - - sb = strbuf_new(); - escape_registry_key(sessionname, sb); - - ret = RegCreateKey(HKEY_CURRENT_USER, puttystr, &subkey1); - if (ret != ERROR_SUCCESS) { - strbuf_free(sb); - *errmsg = dupprintf("Unable to create registry key\n" - "HKEY_CURRENT_USER\\%s", puttystr); - return NULL; - } - ret = RegCreateKey(subkey1, sb->s, &sesskey); - RegCloseKey(subkey1); - if (ret != ERROR_SUCCESS) { - *errmsg = dupprintf("Unable to create registry key\n" - "HKEY_CURRENT_USER\\%s\\%s", puttystr, sb->s); - strbuf_free(sb); - return NULL; - } - strbuf_free(sb); - - settings_w *toret = snew(settings_w); - toret->sesskey = sesskey; - return toret; -} - -void write_setting_s(settings_w *handle, const char *key, const char *value) -{ - if (handle) - RegSetValueEx(handle->sesskey, key, 0, REG_SZ, (CONST BYTE *)value, - 1 + strlen(value)); -} - -void write_setting_i(settings_w *handle, const char *key, int value) -{ - if (handle) - RegSetValueEx(handle->sesskey, key, 0, REG_DWORD, - (CONST BYTE *) &value, sizeof(value)); -} - -void close_settings_w(settings_w *handle) -{ - RegCloseKey(handle->sesskey); - sfree(handle); -} - -struct settings_r { - HKEY sesskey; -}; - -settings_r *open_settings_r(const char *sessionname) -{ - HKEY subkey1, sesskey; - strbuf *sb; - - if (!sessionname || !*sessionname) - sessionname = "Default Settings"; - - sb = strbuf_new(); - escape_registry_key(sessionname, sb); - - if (RegOpenKey(HKEY_CURRENT_USER, puttystr, &subkey1) != ERROR_SUCCESS) { - sesskey = NULL; - } else { - if (RegOpenKey(subkey1, sb->s, &sesskey) != ERROR_SUCCESS) { - sesskey = NULL; - } - RegCloseKey(subkey1); - } - - strbuf_free(sb); - - if (!sesskey) - return NULL; - - settings_r *toret = snew(settings_r); - toret->sesskey = sesskey; - return toret; -} - -char *read_setting_s(settings_r *handle, const char *key) -{ - DWORD type, allocsize, size; - char *ret; - - if (!handle) - return NULL; - - /* Find out the type and size of the data. */ - if (RegQueryValueEx(handle->sesskey, key, 0, - &type, NULL, &size) != ERROR_SUCCESS || - type != REG_SZ) - return NULL; - - allocsize = size+1; /* allow for an extra NUL if needed */ - ret = snewn(allocsize, char); - if (RegQueryValueEx(handle->sesskey, key, 0, - &type, (BYTE *)ret, &size) != ERROR_SUCCESS || - type != REG_SZ) { - sfree(ret); - return NULL; - } - assert(size < allocsize); - ret[size] = '\0'; /* add an extra NUL in case RegQueryValueEx - * didn't supply one */ - - return ret; -} - -int read_setting_i(settings_r *handle, const char *key, int defvalue) -{ - DWORD type, val, size; - size = sizeof(val); - - if (!handle || - RegQueryValueEx(handle->sesskey, key, 0, &type, - (BYTE *) &val, &size) != ERROR_SUCCESS || - size != sizeof(val) || type != REG_DWORD) - return defvalue; - else - return val; -} - -FontSpec *read_setting_fontspec(settings_r *handle, const char *name) -{ - char *settingname; - char *fontname; - FontSpec *ret; - int isbold, height, charset; - - fontname = read_setting_s(handle, name); - if (!fontname) - return NULL; - - settingname = dupcat(name, "IsBold"); - isbold = read_setting_i(handle, settingname, -1); - sfree(settingname); - if (isbold == -1) { - sfree(fontname); - return NULL; - } - - settingname = dupcat(name, "CharSet"); - charset = read_setting_i(handle, settingname, -1); - sfree(settingname); - if (charset == -1) { - sfree(fontname); - return NULL; - } - - settingname = dupcat(name, "Height"); - height = read_setting_i(handle, settingname, INT_MIN); - sfree(settingname); - if (height == INT_MIN) { - sfree(fontname); - return NULL; - } - - ret = fontspec_new(fontname, isbold, height, charset); - sfree(fontname); - return ret; -} - -void write_setting_fontspec(settings_w *handle, - const char *name, FontSpec *font) -{ - char *settingname; - - write_setting_s(handle, name, font->name); - settingname = dupcat(name, "IsBold"); - write_setting_i(handle, settingname, font->isbold); - sfree(settingname); - settingname = dupcat(name, "CharSet"); - write_setting_i(handle, settingname, font->charset); - sfree(settingname); - settingname = dupcat(name, "Height"); - write_setting_i(handle, settingname, font->height); - sfree(settingname); -} - -Filename *read_setting_filename(settings_r *handle, const char *name) -{ - char *tmp = read_setting_s(handle, name); - if (tmp) { - Filename *ret = filename_from_str(tmp); - sfree(tmp); - return ret; - } else - return NULL; -} - -void write_setting_filename(settings_w *handle, - const char *name, Filename *result) -{ - write_setting_s(handle, name, result->path); -} - -void close_settings_r(settings_r *handle) -{ - if (handle) { - RegCloseKey(handle->sesskey); - sfree(handle); - } -} - -void del_settings(const char *sessionname) -{ - HKEY subkey1; - strbuf *sb; - - if (RegOpenKey(HKEY_CURRENT_USER, puttystr, &subkey1) != ERROR_SUCCESS) - return; - - sb = strbuf_new(); - escape_registry_key(sessionname, sb); - RegDeleteKey(subkey1, sb->s); - strbuf_free(sb); - - RegCloseKey(subkey1); - - remove_session_from_jumplist(sessionname); -} - -struct settings_e { - HKEY key; - int i; -}; - -settings_e *enum_settings_start(void) -{ - settings_e *ret; - HKEY key; - - if (RegOpenKey(HKEY_CURRENT_USER, puttystr, &key) != ERROR_SUCCESS) - return NULL; - - ret = snew(settings_e); - if (ret) { - ret->key = key; - ret->i = 0; - } - - return ret; -} - -bool enum_settings_next(settings_e *e, strbuf *sb) -{ - size_t regbuf_size = MAX_PATH + 1; - char *regbuf = snewn(regbuf_size, char); - bool success; - - while (1) { - DWORD retd = RegEnumKey(e->key, e->i, regbuf, regbuf_size); - if (retd != ERROR_MORE_DATA) { - success = (retd == ERROR_SUCCESS); - break; - } - sgrowarray(regbuf, regbuf_size, regbuf_size); - } - - if (success) - unescape_registry_key(regbuf, sb); - - e->i++; - sfree(regbuf); - return success; -} - -void enum_settings_finish(settings_e *e) -{ - RegCloseKey(e->key); - sfree(e); -} - -static void hostkey_regname(strbuf *sb, const char *hostname, - int port, const char *keytype) -{ - strbuf_catf(sb, "%s@%d:", keytype, port); - escape_registry_key(hostname, sb); -} - -int verify_host_key(const char *hostname, int port, - const char *keytype, const char *key) -{ - char *otherstr; - strbuf *regname; - int len; - HKEY rkey; - DWORD readlen; - DWORD type; - int ret, compare; - - len = 1 + strlen(key); - - /* - * Now read a saved key in from the registry and see what it - * says. - */ - regname = strbuf_new(); - hostkey_regname(regname, hostname, port, keytype); - - if (RegOpenKey(HKEY_CURRENT_USER, PUTTY_REG_POS "\\SshHostKeys", - &rkey) != ERROR_SUCCESS) { - strbuf_free(regname); - return 1; /* key does not exist in registry */ - } - - readlen = len; - otherstr = snewn(len, char); - ret = RegQueryValueEx(rkey, regname->s, NULL, - &type, (BYTE *)otherstr, &readlen); - - if (ret != ERROR_SUCCESS && ret != ERROR_MORE_DATA && - !strcmp(keytype, "rsa")) { - /* - * Key didn't exist. If the key type is RSA, we'll try - * another trick, which is to look up the _old_ key format - * under just the hostname and translate that. - */ - char *justhost = regname->s + 1 + strcspn(regname->s, ":"); - char *oldstyle = snewn(len + 10, char); /* safety margin */ - readlen = len; - ret = RegQueryValueEx(rkey, justhost, NULL, &type, - (BYTE *)oldstyle, &readlen); - - if (ret == ERROR_SUCCESS && type == REG_SZ) { - /* - * The old format is two old-style bignums separated by - * a slash. An old-style bignum is made of groups of - * four hex digits: digits are ordered in sensible - * (most to least significant) order within each group, - * but groups are ordered in silly (least to most) - * order within the bignum. The new format is two - * ordinary C-format hex numbers (0xABCDEFG...XYZ, with - * A nonzero except in the special case 0x0, which - * doesn't appear anyway in RSA keys) separated by a - * comma. All hex digits are lowercase in both formats. - */ - char *p = otherstr; - char *q = oldstyle; - int i, j; - - for (i = 0; i < 2; i++) { - int ndigits, nwords; - *p++ = '0'; - *p++ = 'x'; - ndigits = strcspn(q, "/"); /* find / or end of string */ - nwords = ndigits / 4; - /* now trim ndigits to remove leading zeros */ - while (q[(ndigits - 1) ^ 3] == '0' && ndigits > 1) - ndigits--; - /* now move digits over to new string */ - for (j = 0; j < ndigits; j++) - p[ndigits - 1 - j] = q[j ^ 3]; - p += ndigits; - q += nwords * 4; - if (*q) { - q++; /* eat the slash */ - *p++ = ','; /* add a comma */ - } - *p = '\0'; /* terminate the string */ - } - - /* - * Now _if_ this key matches, we'll enter it in the new - * format. If not, we'll assume something odd went - * wrong, and hyper-cautiously do nothing. - */ - if (!strcmp(otherstr, key)) - RegSetValueEx(rkey, regname->s, 0, REG_SZ, (BYTE *)otherstr, - strlen(otherstr) + 1); - } - - sfree(oldstyle); - } - - RegCloseKey(rkey); - - compare = strcmp(otherstr, key); - - sfree(otherstr); - strbuf_free(regname); - - if (ret == ERROR_MORE_DATA || - (ret == ERROR_SUCCESS && type == REG_SZ && compare)) - return 2; /* key is different in registry */ - else if (ret != ERROR_SUCCESS || type != REG_SZ) - return 1; /* key does not exist in registry */ - else - return 0; /* key matched OK in registry */ -} - -bool have_ssh_host_key(const char *hostname, int port, - const char *keytype) -{ - /* - * If we have a host key, verify_host_key will return 0 or 2. - * If we don't have one, it'll return 1. - */ - return verify_host_key(hostname, port, keytype, "") != 1; -} - -void store_host_key(const char *hostname, int port, - const char *keytype, const char *key) -{ - strbuf *regname; - HKEY rkey; - - regname = strbuf_new(); - hostkey_regname(regname, hostname, port, keytype); - - if (RegCreateKey(HKEY_CURRENT_USER, PUTTY_REG_POS "\\SshHostKeys", - &rkey) == ERROR_SUCCESS) { - RegSetValueEx(rkey, regname->s, 0, REG_SZ, - (BYTE *)key, strlen(key) + 1); - RegCloseKey(rkey); - } /* else key does not exist in registry */ - - strbuf_free(regname); -} - -/* - * Open (or delete) the random seed file. - */ -enum { DEL, OPEN_R, OPEN_W }; -static bool try_random_seed(char const *path, int action, HANDLE *ret) -{ - if (action == DEL) { - if (!DeleteFile(path) && GetLastError() != ERROR_FILE_NOT_FOUND) { - nonfatal("Unable to delete '%s': %s", path, - win_strerror(GetLastError())); - } - *ret = INVALID_HANDLE_VALUE; - return false; /* so we'll do the next ones too */ - } - - *ret = CreateFile(path, - action == OPEN_W ? GENERIC_WRITE : GENERIC_READ, - action == OPEN_W ? 0 : (FILE_SHARE_READ | - FILE_SHARE_WRITE), - NULL, - action == OPEN_W ? CREATE_ALWAYS : OPEN_EXISTING, - action == OPEN_W ? FILE_ATTRIBUTE_NORMAL : 0, - NULL); - - return (*ret != INVALID_HANDLE_VALUE); -} - -static bool try_random_seed_and_free(char *path, int action, HANDLE *hout) -{ - bool retd = try_random_seed(path, action, hout); - sfree(path); - return retd; -} - -static HANDLE access_random_seed(int action) -{ - HKEY rkey; - HANDLE rethandle; - - /* - * Iterate over a selection of possible random seed paths until - * we find one that works. - * - * We do this iteration separately for reading and writing, - * meaning that we will automatically migrate random seed files - * if a better location becomes available (by reading from the - * best location in which we actually find one, and then - * writing to the best location in which we can _create_ one). - */ - - /* - * First, try the location specified by the user in the - * Registry, if any. - */ - { - char regpath[MAX_PATH + 1]; - DWORD type, size = sizeof(regpath); - if (RegOpenKey(HKEY_CURRENT_USER, PUTTY_REG_POS, &rkey) == - ERROR_SUCCESS) { - int ret = RegQueryValueEx(rkey, "RandSeedFile", - 0, &type, (BYTE *)regpath, &size); - RegCloseKey(rkey); - if (ret == ERROR_SUCCESS && type == REG_SZ && - try_random_seed(regpath, action, &rethandle)) - return rethandle; - } - } - - /* - * Next, try the user's local Application Data directory, - * followed by their non-local one. This is found using the - * SHGetFolderPath function, which won't be present on all - * versions of Windows. - */ - if (!tried_shgetfolderpath) { - /* This is likely only to bear fruit on systems with IE5+ - * installed, or WinMe/2K+. There is some faffing with - * SHFOLDER.DLL we could do to try to find an equivalent - * on older versions of Windows if we cared enough. - * However, the invocation below requires IE5+ anyway, - * so stuff that. */ - shell32_module = load_system32_dll("shell32.dll"); - GET_WINDOWS_FUNCTION(shell32_module, SHGetFolderPathA); - tried_shgetfolderpath = true; - } - if (p_SHGetFolderPathA) { - char profile[MAX_PATH + 1]; - if (SUCCEEDED(p_SHGetFolderPathA(NULL, CSIDL_LOCAL_APPDATA, - NULL, SHGFP_TYPE_CURRENT, profile)) && - try_random_seed_and_free(dupcat(profile, "\\PUTTY.RND"), - action, &rethandle)) - return rethandle; - - if (SUCCEEDED(p_SHGetFolderPathA(NULL, CSIDL_APPDATA, - NULL, SHGFP_TYPE_CURRENT, profile)) && - try_random_seed_and_free(dupcat(profile, "\\PUTTY.RND"), - action, &rethandle)) - return rethandle; - } - - /* - * Failing that, try %HOMEDRIVE%%HOMEPATH% as a guess at the - * user's home directory. - */ - { - char drv[MAX_PATH], path[MAX_PATH]; - - DWORD drvlen = GetEnvironmentVariable("HOMEDRIVE", drv, sizeof(drv)); - DWORD pathlen = GetEnvironmentVariable("HOMEPATH", path, sizeof(path)); - - /* We permit %HOMEDRIVE% to expand to an empty string, but if - * %HOMEPATH% does that, we abort the attempt. Same if either - * variable overflows its buffer. */ - if (drvlen == 0) - drv[0] = '\0'; - - if (drvlen < lenof(drv) && pathlen < lenof(path) && pathlen > 0 && - try_random_seed_and_free( - dupcat(drv, path, "\\PUTTY.RND"), action, &rethandle)) - return rethandle; - } - - /* - * And finally, fall back to C:\WINDOWS. - */ - { - char windir[MAX_PATH]; - DWORD len = GetWindowsDirectory(windir, sizeof(windir)); - if (len < lenof(windir) && - try_random_seed_and_free( - dupcat(windir, "\\PUTTY.RND"), action, &rethandle)) - return rethandle; - } - - /* - * If even that failed, give up. - */ - return INVALID_HANDLE_VALUE; -} - -void read_random_seed(noise_consumer_t consumer) -{ - HANDLE seedf = access_random_seed(OPEN_R); - - if (seedf != INVALID_HANDLE_VALUE) { - while (1) { - char buf[1024]; - DWORD len; - - if (ReadFile(seedf, buf, sizeof(buf), &len, NULL) && len) - consumer(buf, len); - else - break; - } - CloseHandle(seedf); - } -} - -void write_random_seed(void *data, int len) -{ - HANDLE seedf = access_random_seed(OPEN_W); - - if (seedf != INVALID_HANDLE_VALUE) { - DWORD lenwritten; - - WriteFile(seedf, data, len, &lenwritten, NULL); - CloseHandle(seedf); - } -} - -/* - * Internal function supporting the jump list registry code. All the - * functions to add, remove and read the list have substantially - * similar content, so this is a generalisation of all of them which - * transforms the list in the registry by prepending 'add' (if - * non-null), removing 'rem' from what's left (if non-null), and - * returning the resulting concatenated list of strings in 'out' (if - * non-null). - */ -static int transform_jumplist_registry - (const char *add, const char *rem, char **out) -{ - int ret; - HKEY pjumplist_key; - DWORD type; - DWORD value_length; - char *old_value, *new_value; - char *piterator_old, *piterator_new, *piterator_tmp; - - ret = RegCreateKeyEx(HKEY_CURRENT_USER, reg_jumplist_key, 0, NULL, - REG_OPTION_NON_VOLATILE, (KEY_READ | KEY_WRITE), NULL, - &pjumplist_key, NULL); - if (ret != ERROR_SUCCESS) { - return JUMPLISTREG_ERROR_KEYOPENCREATE_FAILURE; - } - - /* Get current list of saved sessions in the registry. */ - value_length = 200; - old_value = snewn(value_length, char); - ret = RegQueryValueEx(pjumplist_key, reg_jumplist_value, NULL, &type, - (BYTE *)old_value, &value_length); - /* When the passed buffer is too small, ERROR_MORE_DATA is - * returned and the required size is returned in the length - * argument. */ - if (ret == ERROR_MORE_DATA) { - sfree(old_value); - old_value = snewn(value_length, char); - ret = RegQueryValueEx(pjumplist_key, reg_jumplist_value, NULL, &type, - (BYTE *)old_value, &value_length); - } - - if (ret == ERROR_FILE_NOT_FOUND) { - /* Value doesn't exist yet. Start from an empty value. */ - *old_value = '\0'; - *(old_value + 1) = '\0'; - } else if (ret != ERROR_SUCCESS) { - /* Some non-recoverable error occurred. */ - sfree(old_value); - RegCloseKey(pjumplist_key); - return JUMPLISTREG_ERROR_VALUEREAD_FAILURE; - } else if (type != REG_MULTI_SZ) { - /* The value present in the registry has the wrong type: we - * try to delete it and start from an empty value. */ - ret = RegDeleteValue(pjumplist_key, reg_jumplist_value); - if (ret != ERROR_SUCCESS) { - sfree(old_value); - RegCloseKey(pjumplist_key); - return JUMPLISTREG_ERROR_VALUEREAD_FAILURE; - } - - *old_value = '\0'; - *(old_value + 1) = '\0'; - } - - /* Check validity of registry data: REG_MULTI_SZ value must end - * with \0\0. */ - piterator_tmp = old_value; - while (((piterator_tmp - old_value) < (value_length - 1)) && - !(*piterator_tmp == '\0' && *(piterator_tmp+1) == '\0')) { - ++piterator_tmp; - } - - if ((piterator_tmp - old_value) >= (value_length-1)) { - /* Invalid value. Start from an empty value. */ - *old_value = '\0'; - *(old_value + 1) = '\0'; - } - - /* - * Modify the list, if we're modifying. - */ - if (add || rem) { - /* Walk through the existing list and construct the new list of - * saved sessions. */ - new_value = snewn(value_length + (add ? strlen(add) + 1 : 0), char); - piterator_new = new_value; - piterator_old = old_value; - - /* First add the new item to the beginning of the list. */ - if (add) { - strcpy(piterator_new, add); - piterator_new += strlen(piterator_new) + 1; - } - /* Now add the existing list, taking care to leave out the removed - * item, if it was already in the existing list. */ - while (*piterator_old != '\0') { - if (!rem || strcmp(piterator_old, rem) != 0) { - /* Check if this is a valid session, otherwise don't add. */ - settings_r *psettings_tmp = open_settings_r(piterator_old); - if (psettings_tmp != NULL) { - close_settings_r(psettings_tmp); - strcpy(piterator_new, piterator_old); - piterator_new += strlen(piterator_new) + 1; - } - } - piterator_old += strlen(piterator_old) + 1; - } - *piterator_new = '\0'; - ++piterator_new; - - /* Save the new list to the registry. */ - ret = RegSetValueEx(pjumplist_key, reg_jumplist_value, 0, REG_MULTI_SZ, - (BYTE *)new_value, piterator_new - new_value); - - sfree(old_value); - old_value = new_value; - } else - ret = ERROR_SUCCESS; - - /* - * Either return or free the result. - */ - if (out && ret == ERROR_SUCCESS) - *out = old_value; - else - sfree(old_value); - - /* Clean up and return. */ - RegCloseKey(pjumplist_key); - - if (ret != ERROR_SUCCESS) { - return JUMPLISTREG_ERROR_VALUEWRITE_FAILURE; - } else { - return JUMPLISTREG_OK; - } -} - -/* Adds a new entry to the jumplist entries in the registry. */ -int add_to_jumplist_registry(const char *item) -{ - return transform_jumplist_registry(item, item, NULL); -} - -/* Removes an item from the jumplist entries in the registry. */ -int remove_from_jumplist_registry(const char *item) -{ - return transform_jumplist_registry(NULL, item, NULL); -} - -/* Returns the jumplist entries from the registry. Caller must free - * the returned pointer. */ -char *get_jumplist_registry_entries (void) -{ - char *list_value; - - if (transform_jumplist_registry(NULL,NULL,&list_value) != JUMPLISTREG_OK) { - list_value = snewn(2, char); - *list_value = '\0'; - *(list_value + 1) = '\0'; - } - return list_value; -} - -/* - * Recursively delete a registry key and everything under it. - */ -static void registry_recursive_remove(HKEY key) -{ - DWORD i; - char name[MAX_PATH + 1]; - HKEY subkey; - - i = 0; - while (RegEnumKey(key, i, name, sizeof(name)) == ERROR_SUCCESS) { - if (RegOpenKey(key, name, &subkey) == ERROR_SUCCESS) { - registry_recursive_remove(subkey); - RegCloseKey(subkey); - } - RegDeleteKey(key, name); - } -} - -void cleanup_all(void) -{ - HKEY key; - int ret; - char name[MAX_PATH + 1]; - - /* ------------------------------------------------------------ - * Wipe out the random seed file, in all of its possible - * locations. - */ - access_random_seed(DEL); - - /* ------------------------------------------------------------ - * Ask Windows to delete any jump list information associated - * with this installation of PuTTY. - */ - clear_jumplist(); - - /* ------------------------------------------------------------ - * Destroy all registry information associated with PuTTY. - */ - - /* - * Open the main PuTTY registry key and remove everything in it. - */ - if (RegOpenKey(HKEY_CURRENT_USER, PUTTY_REG_POS, &key) == - ERROR_SUCCESS) { - registry_recursive_remove(key); - RegCloseKey(key); - } - /* - * Now open the parent key and remove the PuTTY main key. Once - * we've done that, see if the parent key has any other - * children. - */ - if (RegOpenKey(HKEY_CURRENT_USER, PUTTY_REG_PARENT, - &key) == ERROR_SUCCESS) { - RegDeleteKey(key, PUTTY_REG_PARENT_CHILD); - ret = RegEnumKey(key, 0, name, sizeof(name)); - RegCloseKey(key); - /* - * If the parent key had no other children, we must delete - * it in its turn. That means opening the _grandparent_ - * key. - */ - if (ret != ERROR_SUCCESS) { - if (RegOpenKey(HKEY_CURRENT_USER, PUTTY_REG_GPARENT, - &key) == ERROR_SUCCESS) { - RegDeleteKey(key, PUTTY_REG_GPARENT_CHILD); - RegCloseKey(key); - } - } - } - /* - * Now we're done. - */ -} |