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-rw-r--r--src/systemctl/systemctl-mount.c116
1 files changed, 116 insertions, 0 deletions
diff --git a/src/systemctl/systemctl-mount.c b/src/systemctl/systemctl-mount.c
new file mode 100644
index 0000000..d9ad332
--- /dev/null
+++ b/src/systemctl/systemctl-mount.c
@@ -0,0 +1,116 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "bus-error.h"
+#include "bus-locator.h"
+#include "dissect-image.h"
+#include "systemctl-mount.h"
+#include "systemctl-util.h"
+#include "systemctl.h"
+
+int verb_bind(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_free_ char *n = NULL;
+ sd_bus *bus;
+ int r;
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ polkit_agent_open_maybe();
+
+ r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &n);
+ if (r < 0)
+ return log_error_errno(r, "Failed to mangle unit name: %m");
+
+ r = bus_call_method(
+ bus,
+ bus_systemd_mgr,
+ "BindMountUnit",
+ &error,
+ NULL,
+ "sssbb",
+ n,
+ argv[2],
+ argv[3],
+ arg_read_only,
+ arg_mkdir);
+ if (r < 0)
+ return log_error_errno(r, "Failed to bind mount: %s", bus_error_message(&error, r));
+
+ return 0;
+}
+
+int verb_mount_image(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ const char *unit = argv[1], *src = argv[2], *dest = argv[3];
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
+ _cleanup_free_ char *n = NULL;
+ sd_bus *bus;
+ int r;
+
+ r = acquire_bus(BUS_MANAGER, &bus);
+ if (r < 0)
+ return r;
+
+ polkit_agent_open_maybe();
+
+ r = unit_name_mangle(unit, arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &n);
+ if (r < 0)
+ return log_error_errno(r, "Failed to mangle unit name: %m");
+
+ r = bus_message_new_method_call(
+ bus,
+ &m,
+ bus_systemd_mgr,
+ "MountImageUnit");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append(
+ m,
+ "sssbb",
+ n,
+ src,
+ dest,
+ arg_read_only,
+ arg_mkdir);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_open_container(m, 'a', "(ss)");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ if (argc > 4) {
+ _cleanup_free_ char *partition = NULL, *mount_options = NULL;
+ const char *options = argv[4];
+
+ r = extract_many_words(&options, ":", EXTRACT_CUNESCAPE|EXTRACT_UNESCAPE_SEPARATORS, &partition, &mount_options, NULL);
+ if (r < 0)
+ return r;
+ /* Single set of options, applying to the root partition/single filesystem */
+ if (r == 1) {
+ r = sd_bus_message_append(m, "(ss)", "root", partition);
+ if (r < 0)
+ return bus_log_create_error(r);
+ } else if (r > 1) {
+ if (partition_designator_from_string(partition) < 0)
+ return bus_log_create_error(-EINVAL);
+
+ r = sd_bus_message_append(m, "(ss)", partition, mount_options);
+ if (r < 0)
+ return bus_log_create_error(r);
+ }
+ }
+
+ r = sd_bus_message_close_container(m);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_call(bus, m, -1, &error, NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to mount image: %s", bus_error_message(&error, r));
+
+ return 0;
+}