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
|
Index: /trunk/src/vserver-info.c
===================================================================
--- a/src/vserver-info.c (revision 2589)
+++ b/src/vserver-info.c (revision 2717)
@@ -186,7 +186,9 @@
verifyCap()
{
+ int retried = 0;
struct __user_cap_header_struct header;
- struct __user_cap_data_struct user;
- header.version = _LINUX_CAPABILITY_VERSION;
+ struct __user_cap_data_struct user[2];
+
+ header.version = _LINUX_CAPABILITY_VERSION_2;
header.pid = 0;
@@ -200,15 +202,22 @@
// return false;
// }
-
- if (capget(&header, &user)==-1) {
+
+retry:
+ if (capget(&header, user)==-1) {
+ if (!retried &&
+ header.version != _LINUX_CAPABILITY_VERSION_2) {
+ header.version = _LINUX_CAPABILITY_VERSION_1;
+ retried = 1;
+ goto retry;
+ }
perror("capget()");
return false;
}
- user.effective = 0;
- user.permitted = 0;
- user.inheritable = 0;
-
- if (capset(&header, &user)==-1) {
+ user[0].effective = user[1].effective = 0;
+ user[0].permitted = user[1].permitted = 0;
+ user[0].inheritable = user[1].inheritable = 0;
+
+ if (capset(&header, user)==-1) {
perror("capset()");
return false;
Index: /trunk/src/rpm-fake.c
===================================================================
--- a/src/rpm-fake.c (revision 2693)
+++ b/src/rpm-fake.c (revision 2717)
@@ -420,20 +420,28 @@
reduceCapabilities()
{
+ int retried = 0;
struct __user_cap_header_struct header;
- struct __user_cap_data_struct user;
-
- header.version = _LINUX_CAPABILITY_VERSION;
+ struct __user_cap_data_struct user[2];
+
+ header.version = _LINUX_CAPABILITY_VERSION_2;
header.pid = 0;
- if (capget(&header, &user)==-1) {
+retry:
+ if (capget(&header, user)==-1) {
+ if (!retried &&
+ header.version != _LINUX_CAPABILITY_VERSION_2) {
+ header.version = _LINUX_CAPABILITY_VERSION_1;
+ retried = 1;
+ goto retry;
+ }
perror("capget()");
exit(wrapper_exit_code);
}
- user.effective &= ~(1<<CAP_MKNOD);
- user.permitted &= ~(1<<CAP_MKNOD);
- user.inheritable &= ~(1<<CAP_MKNOD);
-
- if (capset(&header, &user)==-1) {
+ user[0].effective &= ~(1<<CAP_MKNOD);
+ user[0].permitted &= ~(1<<CAP_MKNOD);
+ user[0].inheritable &= ~(1<<CAP_MKNOD);
+
+ if (capset(&header, user)==-1) {
perror("capset()");
exit(wrapper_exit_code);
Index: /trunk/src/capability-compat.h
===================================================================
--- a/src/capability-compat.h (revision 1822)
+++ b/src/capability-compat.h (revision 2717)
@@ -30,2 +30,10 @@
#endif
+
+#ifndef _LINUX_CAPABILITY_VERSION_1
+# define _LINUX_CAPABILITY_VERSION_1 _LINUX_CAPABILITY_VERSION
+#endif
+
+#ifndef _LINUX_CAPABILITY_VERSION_2
+# define _LINUX_CAPABILITY_VERSION_2 0x20071026
+#endif
|