int __cdecl wmain(int argc, PWSTR argv[])
{
setlocale(LC_ALL, "");
for (int i = 1; i < argc; i++)
{
_putws(argv[i]);
ATL::CHandle h(CreateFileW(argv[i], 0, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, nullptr, OPEN_EXISTING, 0, nullptr));
if (h == INVALID_HANDLE_VALUE)
{
pwerror();
h.Detach();
continue;
}
ULONG fs_flags;
ATLENSURE(GetVolumeInformationByHandleW(h, nullptr, 0, nullptr, nullptr, &fs_flags, nullptr, 0));
if (!(fs_flags & FILE_SUPPORTS_BLOCK_REFCOUNTING))
{
SetLastError(ERROR_NOT_CAPABLE);
pwerror();
continue;
}
puts(" VCN Contiguous RefCount LCN");
STARTING_VCN_INPUT_BUFFER Vcn = {};
union
{
RETRIEVAL_POINTERS_AND_REFCOUNT_BUFFER refcount_buf;
BYTE buf[offsetof(RETRIEVAL_POINTERS_AND_REFCOUNT_BUFFER, Extents) + sizeof(RETRIEVAL_POINTERS_AND_REFCOUNT_BUFFER::Extents) * 128];
};
ULONG junk;
for (;;)
{
BOOL ret = DeviceIoControl(h, FSCTL_GET_RETRIEVAL_POINTERS_AND_REFCOUNT, &Vcn, sizeof Vcn, &refcount_buf, sizeof buf, &junk, nullptr);
ULONG err = GetLastError();
if (ret || err == ERROR_MORE_DATA)
{
printf(
"% 20llu % 20llu % 10lu % 20llu\n",
refcount_buf.StartingVcn.QuadPart,
refcount_buf.Extents[0].NextVcn.QuadPart - refcount_buf.StartingVcn.QuadPart,
refcount_buf.Extents[0].ReferenceCount,
refcount_buf.Extents[0].Lcn.QuadPart
);
if (refcount_buf.ExtentCount > 1)
{
for (ULONG j = 1; j < refcount_buf.ExtentCount; j++)
{
printf(
"% 20llu % 20llu % 10lu % 20llu\n",
refcount_buf.Extents[j - 1].NextVcn.QuadPart,
refcount_buf.Extents[j].NextVcn.QuadPart - refcount_buf.Extents[j - 1].NextVcn.QuadPart,
refcount_buf.Extents[j].ReferenceCount,
refcount_buf.Extents[j].Lcn.QuadPart
);
}
}
Vcn.StartingVcn = refcount_buf.Extents[refcount_buf.ExtentCount - 1].NextVcn;
}
else
{
if (err != ERROR_HANDLE_EOF)
{
pwerror();
}
break;
}
}
}
}
static char *
getnewpasswd(struct passwd *pw, char **old_pass)
{
int tries;
const char *p, *t;
char *result;
static char buf[_PASSWORD_LEN + 1];
char salt[_PASSWORD_LEN + 1];
char option[LINE_MAX], *key, *opt;
(void)printf("Changing NIS password for %s.\n", pw->pw_name);
if (old_pass) {
*old_pass = NULL;
if (pw->pw_passwd[0]) {
if (strcmp(crypt(p = getpass("Old password:"******"Sorry.\n");
pwerror(NULL, 0, 1);
}
} else {
p = "";
}
*old_pass = strdup(p);
if (!*old_pass) {
(void)printf("not enough core.\n");
pwerror(NULL, 0, 1);
}
}
for (buf[0] = '\0', tries = 0;;) {
p = getpass("New password:"******"Password unchanged.\n");
pwerror(NULL, 0, 0);
}
if (strlen(p) <= 5 && ++tries < 2) {
(void)printf("Please enter a longer password.\n");
continue;
}
for (t = p; *t && islower((unsigned char)*t); ++t);
if (!*t && ++tries < 2) {
(void)printf("Please don't use an all-lower case "
"password.\nUnusual capitalization, "
"control characters or digits are "
"suggested.\n");
continue;
}
(void)strlcpy(buf, p, sizeof(buf));
if (!strcmp(buf, getpass("Retype new password:"******"Mismatch; try again, EOF to quit.\n");
}
pw_getpwconf(option, sizeof(option), pw, "ypcipher");
opt = option;
key = strsep(&opt, ",");
if (pw_gensalt(salt, _PASSWORD_LEN, key, opt) == -1) {
warn("Couldn't generate salt");
pwerror(NULL, 0, 0);
}
result = strdup(crypt(buf, salt));
if (!result) {
(void)printf("not enough core.\n");
pwerror(NULL, 0, 0);
}
return result;
}
