57 lines
1.7 KiB
Go
57 lines
1.7 KiB
Go
/*
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Copyright (c) 2017 Uber Technologies, Inc.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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SPDX-License-Identifier: LicenseRef-Uber
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*/
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package main
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/*
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#include <grp.h>
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#include <stdlib.h> // for C.free
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#include <sys/types.h>
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int group_member(int gid);
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struct group *getgrnam(const char *name);
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*/
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import "C"
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import "unsafe"
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func isMemberOf(groupName string) bool {
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if len(groupName) == 0 {
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return false
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}
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CgroupName := C.CString(groupName)
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if CgroupName == nil {
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pamLog("bad group name: %s", groupName)
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return false
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}
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defer C.free(unsafe.Pointer(CgroupName))
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groupEnt := C.getgrnam(CgroupName)
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if groupEnt == nil {
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pamLog("bad group: %s", groupName)
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return false
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}
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return C.group_member(C.int(groupEnt.gr_gid)) != 0
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}
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