blob: c535e80a433e26d95eaa3800d0f147de733b976f (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
# Copyright (C) Igor Sysoev
# Copyright (C) NGINX, Inc.
# Linux clone syscall.
NXT_ISOLATION=NO
NXT_HAVE_LINUX_NS=NO
NXT_HAVE_CLONE_NEWUSER=NO
NXT_HAVE_MOUNT=NO
NXT_HAVE_UNMOUNT=NO
NXT_HAVE_ROOTFS=NO
nsflags="USER NS PID NET UTS CGROUP"
nxt_feature="Linux unshare()"
nxt_feature_name=NXT_HAVE_LINUX_NS
nxt_feature_run=no
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#define _GNU_SOURCE
#include <sched.h>
int main(void) {
return unshare(0);
}"
. auto/feature
if [ $nxt_found = yes ]; then
NXT_HAVE_LINUX_NS=YES
# Test all isolation flags
for flag in $nsflags; do
nxt_feature="CLONE_NEW${flag}"
nxt_feature_name=NXT_HAVE_CLONE_NEW${flag}
nxt_feature_run=no
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#define _GNU_SOURCE
#include <sys/wait.h>
#include <sys/syscall.h>
#include <sched.h>
int main(void) {
return CLONE_NEW$flag;
}"
. auto/feature
if [ $nxt_found = yes ]; then
if [ $flag = "USER" ]; then
NXT_HAVE_CLONE_NEWUSER=YES
fi
if [ "$NXT_ISOLATION" = "NO" ]; then
NXT_ISOLATION=$flag
else
NXT_ISOLATION="$NXT_ISOLATION $flag"
fi
fi
done
fi
nxt_feature="Linux pivot_root()"
nxt_feature_name=NXT_HAVE_LINUX_PIVOT_ROOT
nxt_feature_run=no
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <sys/syscall.h>
#if !defined(__linux__)
# error
#endif
int main(void) {
return SYS_pivot_root;
}"
. auto/feature
nxt_feature="<mntent.h>"
nxt_feature_name=NXT_HAVE_MNTENT_H
nxt_feature_run=no
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <mntent.h>
int main(void) {
return 0;
}"
. auto/feature
nxt_feature="prctl(PR_SET_NO_NEW_PRIVS)"
nxt_feature_name=NXT_HAVE_PR_SET_NO_NEW_PRIVS
nxt_feature_run=no
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <sys/prctl.h>
int main(void) {
return PR_SET_NO_NEW_PRIVS;
}"
. auto/feature
nxt_feature="prctl(PR_SET_CHILD_SUBREAPER)"
nxt_feature_name=NXT_HAVE_PR_SET_CHILD_SUBREAPER
nxt_feature_run=no
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <sys/prctl.h>
int main(void) {
return PR_SET_CHILD_SUBREAPER;
}"
. auto/feature
nxt_feature="Linux mount()"
nxt_feature_name=NXT_HAVE_LINUX_MOUNT
nxt_feature_run=no
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <sys/mount.h>
int main(void) {
return mount(\"/\", \"/\", \"bind\",
MS_BIND | MS_REC, \"\");
}"
. auto/feature
if [ $nxt_found = yes ]; then
NXT_HAVE_MOUNT=YES
fi
if [ $nxt_found = no ]; then
nxt_feature="FreeBSD nmount()"
nxt_feature_name=NXT_HAVE_FREEBSD_NMOUNT
nxt_feature_run=no
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <sys/mount.h>
int main(void) {
return nmount((void *)0, 0, 0);
}"
. auto/feature
if [ $nxt_found = yes ]; then
NXT_HAVE_MOUNT=YES
fi
fi
nxt_feature="Linux umount2()"
nxt_feature_name=NXT_HAVE_LINUX_UMOUNT2
nxt_feature_run=no
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <sys/mount.h>
int main(void) {
return umount2((void *)0, 0);
}"
. auto/feature
if [ $nxt_found = yes ]; then
NXT_HAVE_UNMOUNT=YES
fi
if [ $nxt_found = no ]; then
nxt_feature="unmount()"
nxt_feature_name=NXT_HAVE_UNMOUNT
nxt_feature_run=no
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <sys/mount.h>
int main(void) {
return unmount((void *)0, 0);
}"
. auto/feature
if [ $nxt_found = yes ]; then
NXT_HAVE_UNMOUNT=YES
fi
fi
if [ $NXT_HAVE_MOUNT = YES -a $NXT_HAVE_UNMOUNT = YES ]; then
NXT_HAVE_ROOTFS=YES
cat << END >> $NXT_AUTO_CONFIG_H
#ifndef NXT_HAVE_ISOLATION_ROOTFS
#define NXT_HAVE_ISOLATION_ROOTFS 1
#endif
END
fi
|
