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dll: posix: trustPosixOffset

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This commit is contained in:
Bill Zissimopoulos 2020-11-03 14:04:27 -08:00
parent bd0d6638b0
commit 8109b005be
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GPG Key ID: 3D4F95D52C7B3EA3
1 changed files with 37 additions and 12 deletions
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49
src/shared/ku/posix.c
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@ -121,10 +121,37 @@ static struct
ULONG FspTrustedDomainCount;
static INIT_ONCE FspPosixInitOnce = INIT_ONCE_STATIC_INIT;
#if !defined(_KERNEL_MODE)
static unsigned wcstoint(const wchar_t *p, const wchar_t **endp, int base)
static long long wcstoint(const wchar_t* p, int base, int is_signed)
{
unsigned v;
int maxdig, maxalp;
long long v;
int maxdig, maxalp, sign = +1;
if (is_signed)
{
if ('+' == *p)
p++;
else if ('-' == *p)
p++, sign = -1;
}
if (0 == base)
{
if ('0' == *p)
{
p++;
if ('x' == *p || 'X' == *p)
{
p++;
base = 16;
}
else
base = 8;
}
else
{
base = 10;
}
}
maxdig = 10 < base ? '9' : (base - 1) + '0';
maxalp = 10 < base ? (base - 1 - 10) + 'a' : 0;
@ -145,10 +172,7 @@ static unsigned wcstoint(const wchar_t *p, const wchar_t **endp, int base)
}
}
if (0 != endp)
*endp = (wchar_t *)p;
return v;
return sign * v;
}
static ULONG FspPosixInitializeTrustPosixOffsets(VOID)
@ -173,7 +197,7 @@ static ULONG FspPosixInitializeTrustPosixOffsets(VOID)
LdapResult = FspLdapGetTrustPosixOffset(Ldap,
DefaultNamingContext, FspTrustedDomains[I].DnsDomainName, &TrustPosixOffsetString);
if (0 == LdapResult)
FspTrustedDomains[I].TrustPosixOffset = wcstoint(TrustPosixOffsetString, 0, 10);
FspTrustedDomains[I].TrustPosixOffset = (ULONG)wcstoint(TrustPosixOffsetString, 10, 1);
}
LdapResult = 0;
@ -236,6 +260,7 @@ static BOOL WINAPI FspPosixInitialize(
0, DS_DOMAIN_DIRECT_INBOUND | DS_DOMAIN_DIRECT_OUTBOUND | DS_DOMAIN_IN_FOREST,
&TrustedDomains, &TrustedDomainCount))
{
Size = 0;
RealTrustedDomainCount = 0;
for (ULONG I = 0; TrustedDomainCount > I; I++)
{
@ -262,7 +287,7 @@ static BOOL WINAPI FspPosixInitialize(
RealTrustedDomainCount++;
}
Size = FSP_FSCTL_DEFAULT_ALIGN_UP(sizeof FspTrustedDomains[0] * RealTrustedDomainCount) + Size;
if (0 < Size)
if (0 < RealTrustedDomainCount)
{
FspTrustedDomains = MemAlloc(Size);
if (0 != FspTrustedDomains)
@ -282,27 +307,27 @@ static BOOL WINAPI FspPosixInitialize(
if (0 != TrustedDomains[I].DomainSid)
{
Size = FSP_FSCTL_DEFAULT_ALIGN_UP(Size);
Size += (Temp = GetLengthSid(TrustedDomains[I].DomainSid));
FspTrustedDomains[J].DomainSid =
(PVOID)((PUINT8)FspTrustedDomains + Size);
Size += (Temp = GetLengthSid(TrustedDomains[I].DomainSid));
memcpy(FspTrustedDomains[J].DomainSid,
TrustedDomains[I].DomainSid, Temp);
}
if (0 != TrustedDomains[I].NetbiosDomainName)
{
Size = FSP_FSCTL_ALIGN_UP(Size, sizeof(WCHAR));
Size += (Temp = (lstrlenW(TrustedDomains[I].NetbiosDomainName) + 1) * sizeof(WCHAR));
FspTrustedDomains[J].NetbiosDomainName =
(PVOID)((PUINT8)FspTrustedDomains + Size);
Size += (Temp = (lstrlenW(TrustedDomains[I].NetbiosDomainName) + 1) * sizeof(WCHAR));
memcpy(FspTrustedDomains[J].NetbiosDomainName,
TrustedDomains[I].NetbiosDomainName, Temp);
}
if (0 != TrustedDomains[I].DnsDomainName)
{
Size = FSP_FSCTL_ALIGN_UP(Size, sizeof(WCHAR));
Size += (Temp = (lstrlenW(TrustedDomains[I].DnsDomainName) + 1) * sizeof(WCHAR));
FspTrustedDomains[J].DnsDomainName =
(PVOID)((PUINT8)FspTrustedDomains + Size);
Size += (Temp = (lstrlenW(TrustedDomains[I].DnsDomainName) + 1) * sizeof(WCHAR));
memcpy(FspTrustedDomains[J].DnsDomainName,
TrustedDomains[I].DnsDomainName, Temp);
}