diff options
Diffstat (limited to 'tools/plink/winstore.c')
| -rw-r--r-- | tools/plink/winstore.c | 656 |
1 files changed, 0 insertions, 656 deletions
diff --git a/tools/plink/winstore.c b/tools/plink/winstore.c deleted file mode 100644 index b1b3d3a66..000000000 --- a/tools/plink/winstore.c +++ /dev/null @@ -1,656 +0,0 @@ -/*
- * winstore.c: Windows-specific implementation of the interface
- * defined in storage.h.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <limits.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 puttystr = PUTTY_REG_POS "\\Sessions";
-
-static const char hex[16] = "0123456789ABCDEF";
-
-static int tried_shgetfolderpath = FALSE;
-static HMODULE shell32_module = NULL;
-typedef HRESULT (WINAPI *p_SHGetFolderPath_t)
- (HWND, int, HANDLE, DWORD, LPTSTR);
-static p_SHGetFolderPath_t p_SHGetFolderPath = NULL;
-
-static void mungestr(const char *in, char *out)
-{
- int candot = 0;
-
- while (*in) {
- if (*in == ' ' || *in == '\\' || *in == '*' || *in == '?' ||
- *in == '%' || *in < ' ' || *in > '~' || (*in == '.'
- && !candot)) {
- *out++ = '%';
- *out++ = hex[((unsigned char) *in) >> 4];
- *out++ = hex[((unsigned char) *in) & 15];
- } else
- *out++ = *in;
- in++;
- candot = 1;
- }
- *out = '\0';
- return;
-}
-
-static void unmungestr(const char *in, char *out, int outlen)
-{
- while (*in) {
- if (*in == '%' && in[1] && in[2]) {
- int i, j;
-
- i = in[1] - '0';
- i -= (i > 9 ? 7 : 0);
- j = in[2] - '0';
- j -= (j > 9 ? 7 : 0);
-
- *out++ = (i << 4) + j;
- if (!--outlen)
- return;
- in += 3;
- } else {
- *out++ = *in++;
- if (!--outlen)
- return;
- }
- }
- *out = '\0';
- return;
-}
-
-void *open_settings_w(const char *sessionname, char **errmsg)
-{
- HKEY subkey1, sesskey;
- int ret;
- char *p;
-
- *errmsg = NULL;
-
- if (!sessionname || !*sessionname)
- sessionname = "Default Settings";
-
- p = snewn(3 * strlen(sessionname) + 1, char);
- mungestr(sessionname, p);
-
- ret = RegCreateKey(HKEY_CURRENT_USER, puttystr, &subkey1);
- if (ret != ERROR_SUCCESS) {
- sfree(p);
- *errmsg = dupprintf("Unable to create registry key\n"
- "HKEY_CURRENT_USER\\%s", puttystr);
- return NULL;
- }
- ret = RegCreateKey(subkey1, p, &sesskey);
- RegCloseKey(subkey1);
- if (ret != ERROR_SUCCESS) {
- *errmsg = dupprintf("Unable to create registry key\n"
- "HKEY_CURRENT_USER\\%s\\%s", puttystr, p);
- sfree(p);
- return NULL;
- }
- sfree(p);
- return (void *) sesskey;
-}
-
-void write_setting_s(void *handle, const char *key, const char *value)
-{
- if (handle)
- RegSetValueEx((HKEY) handle, key, 0, REG_SZ, value,
- 1 + strlen(value));
-}
-
-void write_setting_i(void *handle, const char *key, int value)
-{
- if (handle)
- RegSetValueEx((HKEY) handle, key, 0, REG_DWORD,
- (CONST BYTE *) &value, sizeof(value));
-}
-
-void close_settings_w(void *handle)
-{
- RegCloseKey((HKEY) handle);
-}
-
-void *open_settings_r(const char *sessionname)
-{
- HKEY subkey1, sesskey;
- char *p;
-
- if (!sessionname || !*sessionname)
- sessionname = "Default Settings";
-
- p = snewn(3 * strlen(sessionname) + 1, char);
- mungestr(sessionname, p);
-
- if (RegOpenKey(HKEY_CURRENT_USER, puttystr, &subkey1) != ERROR_SUCCESS) {
- sesskey = NULL;
- } else {
- if (RegOpenKey(subkey1, p, &sesskey) != ERROR_SUCCESS) {
- sesskey = NULL;
- }
- RegCloseKey(subkey1);
- }
-
- sfree(p);
-
- return (void *) sesskey;
-}
-
-char *read_setting_s(void *handle, const char *key, char *buffer, int buflen)
-{
- DWORD type, size;
- size = buflen;
-
- if (!handle ||
- RegQueryValueEx((HKEY) handle, key, 0,
- &type, buffer, &size) != ERROR_SUCCESS ||
- type != REG_SZ) return NULL;
- else
- return buffer;
-}
-
-int read_setting_i(void *handle, const char *key, int defvalue)
-{
- DWORD type, val, size;
- size = sizeof(val);
-
- if (!handle ||
- RegQueryValueEx((HKEY) handle, key, 0, &type,
- (BYTE *) &val, &size) != ERROR_SUCCESS ||
- size != sizeof(val) || type != REG_DWORD)
- return defvalue;
- else
- return val;
-}
-
-int read_setting_fontspec(void *handle, const char *name, FontSpec *result)
-{
- char *settingname;
- FontSpec ret;
-
- if (!read_setting_s(handle, name, ret.name, sizeof(ret.name)))
- return 0;
- settingname = dupcat(name, "IsBold", NULL);
- ret.isbold = read_setting_i(handle, settingname, -1);
- sfree(settingname);
- if (ret.isbold == -1) return 0;
- settingname = dupcat(name, "CharSet", NULL);
- ret.charset = read_setting_i(handle, settingname, -1);
- sfree(settingname);
- if (ret.charset == -1) return 0;
- settingname = dupcat(name, "Height", NULL);
- ret.height = read_setting_i(handle, settingname, INT_MIN);
- sfree(settingname);
- if (ret.height == INT_MIN) return 0;
- *result = ret;
- return 1;
-}
-
-void write_setting_fontspec(void *handle, const char *name, FontSpec font)
-{
- char *settingname;
-
- write_setting_s(handle, name, font.name);
- settingname = dupcat(name, "IsBold", NULL);
- write_setting_i(handle, settingname, font.isbold);
- sfree(settingname);
- settingname = dupcat(name, "CharSet", NULL);
- write_setting_i(handle, settingname, font.charset);
- sfree(settingname);
- settingname = dupcat(name, "Height", NULL);
- write_setting_i(handle, settingname, font.height);
- sfree(settingname);
-}
-
-int read_setting_filename(void *handle, const char *name, Filename *result)
-{
- return !!read_setting_s(handle, name, result->path, sizeof(result->path));
-}
-
-void write_setting_filename(void *handle, const char *name, Filename result)
-{
- write_setting_s(handle, name, result.path);
-}
-
-void close_settings_r(void *handle)
-{
- RegCloseKey((HKEY) handle);
-}
-
-void del_settings(const char *sessionname)
-{
- HKEY subkey1;
- char *p;
-
- if (RegOpenKey(HKEY_CURRENT_USER, puttystr, &subkey1) != ERROR_SUCCESS)
- return;
-
- p = snewn(3 * strlen(sessionname) + 1, char);
- mungestr(sessionname, p);
- RegDeleteKey(subkey1, p);
- sfree(p);
-
- RegCloseKey(subkey1);
-}
-
-struct enumsettings {
- HKEY key;
- int i;
-};
-
-void *enum_settings_start(void)
-{
- struct enumsettings *ret;
- HKEY key;
-
- if (RegOpenKey(HKEY_CURRENT_USER, puttystr, &key) != ERROR_SUCCESS)
- return NULL;
-
- ret = snew(struct enumsettings);
- if (ret) {
- ret->key = key;
- ret->i = 0;
- }
-
- return ret;
-}
-
-char *enum_settings_next(void *handle, char *buffer, int buflen)
-{
- struct enumsettings *e = (struct enumsettings *) handle;
- char *otherbuf;
- otherbuf = snewn(3 * buflen, char);
- if (RegEnumKey(e->key, e->i++, otherbuf, 3 * buflen) == ERROR_SUCCESS) {
- unmungestr(otherbuf, buffer, buflen);
- sfree(otherbuf);
- return buffer;
- } else {
- sfree(otherbuf);
- return NULL;
- }
-}
-
-void enum_settings_finish(void *handle)
-{
- struct enumsettings *e = (struct enumsettings *) handle;
- RegCloseKey(e->key);
- sfree(e);
-}
-
-static void hostkey_regname(char *buffer, const char *hostname,
- int port, const char *keytype)
-{
- int len;
- strcpy(buffer, keytype);
- strcat(buffer, "@");
- len = strlen(buffer);
- len += sprintf(buffer + len, "%d:", port);
- mungestr(hostname, buffer + strlen(buffer));
-}
-
-int verify_host_key(const char *hostname, int port,
- const char *keytype, const char *key)
-{
- char *otherstr, *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.
- */
- otherstr = snewn(len, char);
- regname = snewn(3 * (strlen(hostname) + strlen(keytype)) + 15, char);
-
- hostkey_regname(regname, hostname, port, keytype);
-
- if (RegOpenKey(HKEY_CURRENT_USER, PUTTY_REG_POS "\\SshHostKeys",
- &rkey) != ERROR_SUCCESS)
- return 1; /* key does not exist in registry */
-
- readlen = len;
- ret = RegQueryValueEx(rkey, regname, NULL, &type, 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 + 1 + strcspn(regname, ":");
- char *oldstyle = snewn(len + 10, char); /* safety margin */
- readlen = len;
- ret = RegQueryValueEx(rkey, justhost, NULL, &type,
- 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, 0, REG_SZ, otherstr,
- strlen(otherstr) + 1);
- }
- }
-
- RegCloseKey(rkey);
-
- compare = strcmp(otherstr, key);
-
- sfree(otherstr);
- sfree(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 */
-}
-
-void store_host_key(const char *hostname, int port,
- const char *keytype, const char *key)
-{
- char *regname;
- HKEY rkey;
-
- regname = snewn(3 * (strlen(hostname) + strlen(keytype)) + 15, char);
-
- hostkey_regname(regname, hostname, port, keytype);
-
- if (RegCreateKey(HKEY_CURRENT_USER, PUTTY_REG_POS "\\SshHostKeys",
- &rkey) == ERROR_SUCCESS) {
- RegSetValueEx(rkey, regname, 0, REG_SZ, key, strlen(key) + 1);
- RegCloseKey(rkey);
- } /* else key does not exist in registry */
-
- sfree(regname);
-}
-
-/*
- * Open (or delete) the random seed file.
- */
-enum { DEL, OPEN_R, OPEN_W };
-static int try_random_seed(char const *path, int action, HANDLE *ret)
-{
- if (action == DEL) {
- remove(path);
- *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 HANDLE access_random_seed(int action)
-{
- HKEY rkey;
- DWORD type, size;
- HANDLE rethandle;
- char seedpath[2 * MAX_PATH + 10] = "\0";
-
- /*
- * 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.
- */
- size = sizeof(seedpath);
- if (RegOpenKey(HKEY_CURRENT_USER, PUTTY_REG_POS, &rkey) ==
- ERROR_SUCCESS) {
- int ret = RegQueryValueEx(rkey, "RandSeedFile",
- 0, &type, seedpath, &size);
- if (ret != ERROR_SUCCESS || type != REG_SZ)
- seedpath[0] = '\0';
- RegCloseKey(rkey);
-
- if (*seedpath && try_random_seed(seedpath, 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 = LoadLibrary("SHELL32.DLL");
- if (shell32_module) {
- p_SHGetFolderPath = (p_SHGetFolderPath_t)
- GetProcAddress(shell32_module, "SHGetFolderPathA");
- }
- }
- if (p_SHGetFolderPath) {
- if (SUCCEEDED(p_SHGetFolderPath(NULL, CSIDL_LOCAL_APPDATA,
- NULL, SHGFP_TYPE_CURRENT, seedpath))) {
- strcat(seedpath, "\\PUTTY.RND");
- if (try_random_seed(seedpath, action, &rethandle))
- return rethandle;
- }
-
- if (SUCCEEDED(p_SHGetFolderPath(NULL, CSIDL_APPDATA,
- NULL, SHGFP_TYPE_CURRENT, seedpath))) {
- strcat(seedpath, "\\PUTTY.RND");
- if (try_random_seed(seedpath, action, &rethandle))
- return rethandle;
- }
- }
-
- /*
- * Failing that, try %HOMEDRIVE%%HOMEPATH% as a guess at the
- * user's home directory.
- */
- {
- int len, ret;
-
- len =
- GetEnvironmentVariable("HOMEDRIVE", seedpath,
- sizeof(seedpath));
- ret =
- GetEnvironmentVariable("HOMEPATH", seedpath + len,
- sizeof(seedpath) - len);
- if (ret != 0) {
- strcat(seedpath, "\\PUTTY.RND");
- if (try_random_seed(seedpath, action, &rethandle))
- return rethandle;
- }
- }
-
- /*
- * And finally, fall back to C:\WINDOWS.
- */
- GetWindowsDirectory(seedpath, sizeof(seedpath));
- strcat(seedpath, "\\PUTTY.RND");
- if (try_random_seed(seedpath, 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);
- }
-}
-
-/*
- * 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);
-
- /* ------------------------------------------------------------
- * 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.
- */
-}
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