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authorLennart Poettering <lennart@poettering.net>2015-10-24 14:58:51 +0200
committerLennart Poettering <lennart@poettering.net>2015-10-24 14:58:51 +0200
commit7f66eb931d20cfdb7e1123673f2d6d08c2589bdf (patch)
tree1d9dbb238d24543bfe9e8f6a7fb0d40a814ba7b9 /src/core
parent48d04f25bf400fe0ff612a23bb4785bb245b6139 (diff)
parent5dfcb8d20021c8fc555a86c4fbbc72d5c9837150 (diff)
Merge pull request #1664 from again4you/devel/tmp-smack_#5
mount: add new SmackFileSystemRoot= setting for mount unit (v4)
Diffstat (limited to 'src/core')
-rw-r--r--src/core/dbus-mount.c1
-rw-r--r--src/core/load-fragment-gperf.gperf.m41
-rw-r--r--src/core/mount.c36
-rw-r--r--src/core/mount.h1
4 files changed, 35 insertions, 4 deletions
diff --git a/src/core/dbus-mount.c b/src/core/dbus-mount.c
index 24813c6d20..dbee7fc908 100644
--- a/src/core/dbus-mount.c
+++ b/src/core/dbus-mount.c
@@ -117,6 +117,7 @@ const sd_bus_vtable bus_mount_vtable[] = {
SD_BUS_PROPERTY("ControlPID", "u", bus_property_get_pid, offsetof(Mount, control_pid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
SD_BUS_PROPERTY("DirectoryMode", "u", bus_property_get_mode, offsetof(Mount, directory_mode), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("SloppyOptions", "b", bus_property_get_bool, offsetof(Mount, sloppy_options), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("SmackFileSystemRoot", "s", NULL, offsetof(Mount, smack_fs_root), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("Result", "s", property_get_result, offsetof(Mount, result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
BUS_EXEC_COMMAND_VTABLE("ExecMount", offsetof(Mount, exec_command[MOUNT_EXEC_MOUNT]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
BUS_EXEC_COMMAND_VTABLE("ExecUnmount", offsetof(Mount, exec_command[MOUNT_EXEC_UNMOUNT]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
diff --git a/src/core/load-fragment-gperf.gperf.m4 b/src/core/load-fragment-gperf.gperf.m4
index 89e624b557..507cfdde75 100644
--- a/src/core/load-fragment-gperf.gperf.m4
+++ b/src/core/load-fragment-gperf.gperf.m4
@@ -319,6 +319,7 @@ Mount.Type, config_parse_string, 0,
Mount.TimeoutSec, config_parse_sec, 0, offsetof(Mount, timeout_usec)
Mount.DirectoryMode, config_parse_mode, 0, offsetof(Mount, directory_mode)
Mount.SloppyOptions, config_parse_bool, 0, offsetof(Mount, sloppy_options)
+Mount.SmackFileSystemRoot, config_parse_string, 0, offsetof(Mount, smack_fs_root)
EXEC_CONTEXT_CONFIG_ITEMS(Mount)m4_dnl
CGROUP_CONTEXT_CONFIG_ITEMS(Mount)m4_dnl
KILL_CONTEXT_CONFIG_ITEMS(Mount)m4_dnl
diff --git a/src/core/mount.c b/src/core/mount.c
index 8611129453..0d1a9b9de7 100644
--- a/src/core/mount.c
+++ b/src/core/mount.c
@@ -39,6 +39,7 @@
#include "exit-status.h"
#include "fstab-util.h"
#include "formats-util.h"
+#include "smack-util.h"
#define RETRY_UMOUNT_MAX 32
@@ -202,6 +203,7 @@ static void mount_done(Unit *u) {
assert(m);
m->where = mfree(m->where);
+ m->smack_fs_root = mfree(m->smack_fs_root);
mount_parameters_done(&m->parameters_proc_self_mountinfo);
mount_parameters_done(&m->parameters_fragment);
@@ -666,7 +668,8 @@ static void mount_dump(Unit *u, FILE *f, const char *prefix) {
"%sOptions: %s\n"
"%sFrom /proc/self/mountinfo: %s\n"
"%sFrom fragment: %s\n"
- "%sDirectoryMode: %04o\n",
+ "%sDirectoryMode: %04o\n"
+ "%sSmackFileSystemRoot: %s\n",
prefix, mount_state_to_string(m->state),
prefix, mount_result_to_string(m->result),
prefix, m->where,
@@ -675,7 +678,8 @@ static void mount_dump(Unit *u, FILE *f, const char *prefix) {
prefix, p ? strna(p->options) : "n/a",
prefix, yes_no(m->from_proc_self_mountinfo),
prefix, yes_no(m->from_fragment),
- prefix, m->directory_mode);
+ prefix, m->directory_mode,
+ prefix, strna(m->smack_fs_root));
if (m->control_pid > 0)
fprintf(f,
@@ -852,6 +856,31 @@ fail:
mount_enter_mounted(m, MOUNT_FAILURE_RESOURCES);
}
+static int mount_get_opts(Mount *m, char **_opts) {
+ int r;
+ char *o = NULL, *opts = NULL;
+
+ r = fstab_filter_options(m->parameters_fragment.options,
+ "nofail\0" "noauto\0" "auto\0", NULL, NULL, &o);
+ if (r < 0)
+ return r;
+
+ if (mac_smack_use() && m->smack_fs_root) {
+ if (!isempty(o)) {
+ opts = strjoin(o, ",", "smackfsroot=", m->smack_fs_root, NULL);
+ free(o);
+ } else
+ opts = strjoin("smackfsroot=", m->smack_fs_root, NULL);
+
+ if (!opts)
+ return -ENOMEM;
+ } else
+ opts = o;
+
+ *_opts = opts;
+ return 0;
+}
+
static void mount_enter_mounting(Mount *m) {
int r;
MountParameters *p;
@@ -877,8 +906,7 @@ static void mount_enter_mounting(Mount *m) {
if (m->from_fragment) {
_cleanup_free_ char *opts = NULL;
- r = fstab_filter_options(m->parameters_fragment.options,
- "nofail\0" "noauto\0" "auto\0", NULL, NULL, &opts);
+ r = mount_get_opts(m, &opts);
if (r < 0)
goto fail;
diff --git a/src/core/mount.h b/src/core/mount.h
index 83d14ae713..4e28810f6c 100644
--- a/src/core/mount.h
+++ b/src/core/mount.h
@@ -71,6 +71,7 @@ struct Mount {
bool reset_cpu_usage:1;
bool sloppy_options;
+ char *smack_fs_root;
MountResult result;
MountResult reload_result;