1*49cdfc7eSAndroid Build Coastguard Worker // SPDX-License-Identifier: GPL-2.0-or-later
2*49cdfc7eSAndroid Build Coastguard Worker /*
3*49cdfc7eSAndroid Build Coastguard Worker * Copyright (c) Huawei Technologies Co., Ltd., 2015
4*49cdfc7eSAndroid Build Coastguard Worker * Copyright (C) 2022 SUSE LLC Andrea Cervesato <[email protected]>
5*49cdfc7eSAndroid Build Coastguard Worker */
6*49cdfc7eSAndroid Build Coastguard Worker
7*49cdfc7eSAndroid Build Coastguard Worker #ifndef COMMON_H
8*49cdfc7eSAndroid Build Coastguard Worker #define COMMON_H
9*49cdfc7eSAndroid Build Coastguard Worker
10*49cdfc7eSAndroid Build Coastguard Worker #include "tst_test.h"
11*49cdfc7eSAndroid Build Coastguard Worker
12*49cdfc7eSAndroid Build Coastguard Worker #define UID_MAP 0
13*49cdfc7eSAndroid Build Coastguard Worker #define GID_MAP 1
14*49cdfc7eSAndroid Build Coastguard Worker
updatemap(int cpid,int type,int idnum,int parentmappid)15*49cdfc7eSAndroid Build Coastguard Worker static inline void updatemap(int cpid, int type, int idnum, int parentmappid)
16*49cdfc7eSAndroid Build Coastguard Worker {
17*49cdfc7eSAndroid Build Coastguard Worker char path[BUFSIZ];
18*49cdfc7eSAndroid Build Coastguard Worker char content[BUFSIZ];
19*49cdfc7eSAndroid Build Coastguard Worker int fd;
20*49cdfc7eSAndroid Build Coastguard Worker
21*49cdfc7eSAndroid Build Coastguard Worker switch (type) {
22*49cdfc7eSAndroid Build Coastguard Worker case UID_MAP:
23*49cdfc7eSAndroid Build Coastguard Worker sprintf(path, "/proc/%d/uid_map", cpid);
24*49cdfc7eSAndroid Build Coastguard Worker break;
25*49cdfc7eSAndroid Build Coastguard Worker case GID_MAP:
26*49cdfc7eSAndroid Build Coastguard Worker sprintf(path, "/proc/%d/gid_map", cpid);
27*49cdfc7eSAndroid Build Coastguard Worker break;
28*49cdfc7eSAndroid Build Coastguard Worker default:
29*49cdfc7eSAndroid Build Coastguard Worker tst_brk(TBROK, "invalid type parameter");
30*49cdfc7eSAndroid Build Coastguard Worker break;
31*49cdfc7eSAndroid Build Coastguard Worker }
32*49cdfc7eSAndroid Build Coastguard Worker
33*49cdfc7eSAndroid Build Coastguard Worker sprintf(content, "%d %d 1", idnum, parentmappid);
34*49cdfc7eSAndroid Build Coastguard Worker
35*49cdfc7eSAndroid Build Coastguard Worker fd = SAFE_OPEN(path, O_WRONLY, 0644);
36*49cdfc7eSAndroid Build Coastguard Worker SAFE_WRITE(SAFE_WRITE_ALL, fd, content, strlen(content));
37*49cdfc7eSAndroid Build Coastguard Worker SAFE_CLOSE(fd);
38*49cdfc7eSAndroid Build Coastguard Worker }
39*49cdfc7eSAndroid Build Coastguard Worker
40*49cdfc7eSAndroid Build Coastguard Worker #endif
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