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-rw-r--r--src/gpt-auto-generator/gpt-auto-generator.c92
-rw-r--r--src/systemctl/systemctl.c27
2 files changed, 97 insertions, 22 deletions
diff --git a/src/gpt-auto-generator/gpt-auto-generator.c b/src/gpt-auto-generator/gpt-auto-generator.c
index 0a34f86be7..cf25d9847f 100644
--- a/src/gpt-auto-generator/gpt-auto-generator.c
+++ b/src/gpt-auto-generator/gpt-auto-generator.c
@@ -666,6 +666,7 @@ static int enumerate_partitions(dev_t devnum) {
first = udev_enumerate_get_list_entry(e);
udev_list_entry_foreach(item, first) {
_cleanup_udev_device_unref_ struct udev_device *q;
+ unsigned long long flags;
const char *stype, *subnode;
sd_id128_t type_id;
blkid_partition pp;
@@ -705,10 +706,10 @@ static int enumerate_partitions(dev_t devnum) {
if (sd_id128_from_string(stype, &type_id) < 0)
continue;
+ flags = blkid_partition_get_flags(pp);
+
if (sd_id128_equal(type_id, GPT_SWAP)) {
- unsigned long long flags;
- flags = blkid_partition_get_flags(pp);
if (flags & GPT_FLAG_NO_AUTO)
continue;
@@ -727,6 +728,10 @@ static int enumerate_partitions(dev_t devnum) {
if (boot && nr >= boot_nr)
continue;
+ /* Note that we do not honour the "no-auto"
+ * flag for the ESP, as it is often unset, to
+ * hide it from Windows. */
+
boot_nr = nr;
r = free_and_strdup(&boot, subnode);
@@ -734,9 +739,7 @@ static int enumerate_partitions(dev_t devnum) {
return log_oom();
} else if (sd_id128_equal(type_id, GPT_HOME)) {
- unsigned long long flags;
- flags = blkid_partition_get_flags(pp);
if (flags & GPT_FLAG_NO_AUTO)
continue;
@@ -752,9 +755,7 @@ static int enumerate_partitions(dev_t devnum) {
return log_oom();
} else if (sd_id128_equal(type_id, GPT_SRV)) {
- unsigned long long flags;
- flags = blkid_partition_get_flags(pp);
if (flags & GPT_FLAG_NO_AUTO)
continue;
@@ -799,6 +800,10 @@ static int get_block_device(const char *path, dev_t *dev) {
assert(path);
assert(dev);
+ /* Get's the block device directly backing a file system. If
+ * the block device is encrypted, returns the device mapper
+ * block device. */
+
if (lstat(path, &st))
return -errno;
@@ -816,6 +821,77 @@ static int get_block_device(const char *path, dev_t *dev) {
return 0;
}
+static int get_block_device_harder(const char *path, dev_t *dev) {
+ _cleanup_closedir_ DIR *d = NULL;
+ _cleanup_free_ char *p = NULL, *t = NULL;
+ struct dirent *de, *found = NULL;
+ const char *q;
+ unsigned maj, min;
+ dev_t dt;
+ int r;
+
+ assert(path);
+ assert(dev);
+
+ /* Gets the backing block device for a file system, and
+ * handles LUKS encrypted file systems, looking for its
+ * immediate parent, if there is one. */
+
+ r = get_block_device(path, &dt);
+ if (r <= 0)
+ return r;
+
+ if (asprintf(&p, "/sys/dev/block/%u:%u/slaves", major(dt), minor(dt)) < 0)
+ return -ENOMEM;
+
+ d = opendir(p);
+ if (!d) {
+ if (errno == ENOENT)
+ goto fallback;
+
+ return -errno;
+ }
+
+ FOREACH_DIRENT_ALL(de, d, return -errno) {
+
+ if (STR_IN_SET(de->d_name, ".", ".."))
+ continue;
+
+ if (!IN_SET(de->d_type, DT_LNK, DT_UNKNOWN))
+ continue;
+
+ if (found) /* Don't try to support multiple backing block devices */
+ goto fallback;
+
+ found = de;
+ break;
+ }
+
+ if (!found)
+ goto fallback;
+
+ q = strjoina(p, "/", found->d_name, "/dev");
+
+ r = read_one_line_file(q, &t);
+ if (r == -ENOENT)
+ goto fallback;
+ if (r < 0)
+ return r;
+
+ if (sscanf(t, "%u:%u", &maj, &min) != 2)
+ return -EINVAL;
+
+ if (maj == 0)
+ goto fallback;
+
+ *dev = makedev(maj, min);
+ return 1;
+
+fallback:
+ *dev = dt;
+ return 1;
+}
+
static int parse_proc_cmdline_item(const char *key, const char *value) {
int r;
@@ -883,11 +959,11 @@ static int add_mounts(void) {
dev_t devno;
int r;
- r = get_block_device("/", &devno);
+ r = get_block_device_harder("/", &devno);
if (r < 0)
return log_error_errno(r, "Failed to determine block device of root file system: %m");
else if (r == 0) {
- r = get_block_device("/usr", &devno);
+ r = get_block_device_harder("/usr", &devno);
if (r < 0)
return log_error_errno(r, "Failed to determine block device of /usr file system: %m");
else if (r == 0) {
diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c
index 8d80aae182..d9523d37f2 100644
--- a/src/systemctl/systemctl.c
+++ b/src/systemctl/systemctl.c
@@ -535,10 +535,8 @@ static int get_unit_list(
return bus_log_create_error(r);
r = sd_bus_call(bus, m, 0, &error, &reply);
- if (r < 0) {
- log_error("Failed to list units: %s", bus_error_message(&error, r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to list units: %s", bus_error_message(&error, r));
r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)");
if (r < 0)
@@ -605,7 +603,7 @@ static int get_unit_list_recursive(
r = set_put(replies, reply);
if (r < 0) {
sd_bus_message_unref(reply);
- return r;
+ return log_oom();
}
if (arg_recursive) {
@@ -614,7 +612,7 @@ static int get_unit_list_recursive(
r = sd_get_machine_names(&machines);
if (r < 0)
- return r;
+ return log_error_errno(r, "Failed to get machine names: %m");
STRV_FOREACH(i, machines) {
_cleanup_bus_flush_close_unref_ sd_bus *container = NULL;
@@ -622,7 +620,7 @@ static int get_unit_list_recursive(
r = sd_bus_open_system_machine(&container, *i);
if (r < 0) {
- log_error_errno(r, "Failed to connect to container %s: %m", *i);
+ log_warning_errno(r, "Failed to connect to container %s, ignoring: %m", *i);
continue;
}
@@ -635,7 +633,7 @@ static int get_unit_list_recursive(
r = set_put(replies, reply);
if (r < 0) {
sd_bus_message_unref(reply);
- return r;
+ return log_oom();
}
}
@@ -1743,7 +1741,7 @@ static int get_machine_list(
_cleanup_free_ char *hn = NULL;
size_t sz = 0;
char **i;
- int c = 0;
+ int c = 0, r;
hn = gethostname_malloc();
if (!hn)
@@ -1761,7 +1759,10 @@ static int get_machine_list(
c++;
}
- sd_get_machine_names(&m);
+ r = sd_get_machine_names(&m);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get machine list: %m");
+
STRV_FOREACH(i, m) {
_cleanup_free_ char *class = NULL;
@@ -4267,10 +4268,8 @@ static int show_one(
&error,
&reply,
"s", "");
- if (r < 0) {
- log_error("Failed to get properties: %s", bus_error_message(&error, r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "{sv}");
if (r < 0)