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steam
systemd
Commits
102ea8e4
Commit
102ea8e4
authored
Apr 23, 2013
by
Lennart Poettering
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Plain Diff
bus: parse capability kdbus meta data of messages
parent
120f919e
Changes
4
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4 changed files
with
27 additions
and
1 deletion
+27
-1
src/libsystemd-bus/bus-kernel.c
src/libsystemd-bus/bus-kernel.c
+4
-1
src/libsystemd-bus/bus-message.c
src/libsystemd-bus/bus-message.c
+19
-0
src/libsystemd-bus/bus-message.h
src/libsystemd-bus/bus-message.h
+3
-0
src/systemd/sd-bus.h
src/systemd/sd-bus.h
+1
-0
No files found.
src/libsystemd-bus/bus-kernel.c
View file @
102ea8e4
...
...
@@ -475,7 +475,10 @@ static int bus_kernel_make_message(sd_bus *bus, struct kdbus_msg *k, sd_bus_mess
m
->
cgroup
=
d
->
str
;
else
if
(
d
->
type
==
KDBUS_MSG_SRC_AUDIT
)
m
->
audit
=
&
d
->
audit
;
else
else
if
(
d
->
type
==
KDBUS_MSG_SRC_CAPS
)
{
m
->
capability
=
d
->
data
;
m
->
capability_size
=
l
;
}
else
log_debug
(
"Got unknown field from kernel %llu"
,
d
->
type
);
}
...
...
src/libsystemd-bus/bus-message.c
View file @
102ea8e4
...
...
@@ -928,6 +928,23 @@ int sd_bus_message_get_audit_loginuid(sd_bus_message *m, uid_t *uid) {
return
0
;
}
int
sd_bus_message_has_effective_cap
(
sd_bus_message
*
m
,
int
capability
)
{
unsigned
sz
;
if
(
!
m
)
return
-
EINVAL
;
if
(
capability
<
0
)
return
-
EINVAL
;
if
(
!
m
->
capability
)
return
-
ESRCH
;
sz
=
m
->
capability_size
/
4
;
if
((
unsigned
)
capability
>=
sz
*
8
)
return
0
;
return
!!
(
m
->
capability
[
2
*
sz
+
(
capability
/
8
)]
&
(
1
<<
(
capability
%
8
)));
}
int
sd_bus_message_is_signal
(
sd_bus_message
*
m
,
const
char
*
interface
,
const
char
*
member
)
{
if
(
!
m
)
return
-
EINVAL
;
...
...
@@ -3193,6 +3210,8 @@ int bus_message_dump(sd_bus_message *m) {
if
(
sd_bus_message_get_audit_sessionid
(
m
,
&
audit_sessionid
)
>=
0
)
printf
(
"
\t
audit_sessionid=%lu
\n
"
,
(
unsigned
long
)
audit_sessionid
);
printf
(
"
\t
CAP_KILL=%i
\n
"
,
sd_bus_message_has_effective_cap
(
m
,
5
));
if
(
sd_bus_message_get_cmdline
(
m
,
&
cmdline
)
>=
0
)
{
char
**
c
;
...
...
src/libsystemd-bus/bus-message.h
View file @
102ea8e4
...
...
@@ -121,6 +121,9 @@ struct sd_bus_message {
char
*
user_unit
;
struct
kdbus_audit
*
audit
;
uint8_t
*
capability
;
size_t
capability_size
;
};
#define BUS_MESSAGE_NEED_BSWAP(m) ((m)->header->endian != SD_BUS_NATIVE_ENDIAN)
...
...
src/systemd/sd-bus.h
View file @
102ea8e4
...
...
@@ -142,6 +142,7 @@ int sd_bus_message_get_session(sd_bus_message *m, const char **session);
int
sd_bus_message_get_owner_uid
(
sd_bus_message
*
m
,
uid_t
*
uid
);
int
sd_bus_message_get_audit_sessionid
(
sd_bus_message
*
m
,
uint32_t
*
sessionid
);
int
sd_bus_message_get_audit_loginuid
(
sd_bus_message
*
m
,
uid_t
*
loginuid
);
int
sd_bus_message_has_effective_cap
(
sd_bus_message
*
m
,
int
capability
);
int
sd_bus_message_is_signal
(
sd_bus_message
*
m
,
const
char
*
interface
,
const
char
*
member
);
int
sd_bus_message_is_method_call
(
sd_bus_message
*
m
,
const
char
*
interface
,
const
char
*
member
);
...
...
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