#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
+#include <assert.h>
#include "putty.h"
#include "storage.h"
char *read_setting_s(void *handle, const char *key)
{
- DWORD type, size;
+ DWORD type, allocsize, size;
char *ret;
if (!handle)
type != REG_SZ)
return NULL;
- ret = snewn(size+1, char);
+ allocsize = size+1; /* allow for an extra NUL if needed */
+ ret = snewn(allocsize, char);
if (RegQueryValueEx((HKEY) handle, key, 0,
&type, ret, &size) != ERROR_SUCCESS ||
- type != REG_SZ) return NULL;
+ 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;
}
{
char *settingname;
char *fontname;
+ FontSpec *ret;
int isbold, height, charset;
fontname = read_setting_s(handle, name);
settingname = dupcat(name, "IsBold", NULL);
isbold = read_setting_i(handle, settingname, -1);
sfree(settingname);
- if (isbold == -1) return NULL;
+ if (isbold == -1) {
+ sfree(fontname);
+ return NULL;
+ }
settingname = dupcat(name, "CharSet", NULL);
charset = read_setting_i(handle, settingname, -1);
sfree(settingname);
- if (charset == -1) return NULL;
+ if (charset == -1) {
+ sfree(fontname);
+ return NULL;
+ }
settingname = dupcat(name, "Height", NULL);
height = read_setting_i(handle, settingname, INT_MIN);
sfree(settingname);
- if (height == INT_MIN) return NULL;
+ if (height == INT_MIN) {
+ sfree(fontname);
+ return NULL;
+ }
- return fontspec_new(fontname, isbold, height, charset);
+ ret = fontspec_new(fontname, isbold, height, charset);
+ sfree(fontname);
+ return ret;
}
void write_setting_fontspec(void *handle, const char *name, FontSpec *font)
* 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)
+ &rkey) != ERROR_SUCCESS) {
+ sfree(regname);
return 1; /* key does not exist in registry */
+ }
readlen = len;
+ otherstr = snewn(len, char);
ret = RegQueryValueEx(rkey, regname, NULL, &type, otherstr, &readlen);
if (ret != ERROR_SUCCESS && ret != ERROR_MORE_DATA &&
RegSetValueEx(rkey, regname, 0, REG_SZ, otherstr,
strlen(otherstr) + 1);
}
+
+ sfree(oldstyle);
}
RegCloseKey(rkey);
return 0; /* key matched OK in registry */
}
+int 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)
{
int ret;
HKEY pjumplist_key, psettings_tmp;
DWORD type;
- int value_length;
+ DWORD value_length;
char *old_value, *new_value;
char *piterator_old, *piterator_new, *piterator_tmp;
/*
* Either return or free the result.
*/
- if (out)
+ if (out && ret == ERROR_SUCCESS)
*out = old_value;
else
sfree(old_value);
{
char *list_value;
- if (transform_jumplist_registry(NULL,NULL,&list_value) != ERROR_SUCCESS) {
+ if (transform_jumplist_registry(NULL,NULL,&list_value) != JUMPLISTREG_OK) {
list_value = snewn(2, char);
*list_value = '\0';
*(list_value + 1) = '\0';