44 lines
2.7 KiB
C
44 lines
2.7 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/internal.h"
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#include "libc/nt/privilege.h"
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#include "libc/nt/struct/tokenprivileges.h"
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/**
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* Sets NT permission thing, e.g.
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*
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* int64_t htoken;
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* if (OpenProcessToken(GetCurrentProcess(),
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* kNtTokenAdjustPrivileges | kNtTokenQuery,
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* &htoken)) {
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* ntsetprivilege(htoken, u"SeManageVolumePrivilege",
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* kNtSePrivilegeEnabled);
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* CloseHandle(htoken);
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* }
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*/
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textwindows bool32 ntsetprivilege(int64_t token, const char16_t *name,
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uint32_t attrs) {
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struct NtTokenPrivileges tp;
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tp.PrivilegeCount = 1;
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tp.Privileges[0].Attributes = attrs;
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return LookupPrivilegeValue(NULL, name, &tp.Privileges[0].Luid) &&
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AdjustTokenPrivileges(token, false, &tp,
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sizeof(struct NtTokenPrivileges), NULL, NULL);
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}
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