Merge b1e226539e into d209e197f8

Fixes: #35294

man/systemd-cryptenroll.xml

@@ -265,32 +265,11 @@
   </refsect1>
 
   <refsect1>
-    <title>Options</title>
+    <title>Unlocking</title>
 
-    <para>The following options are understood:</para>
+    <para>The following options are understood that may be used to unlock the device in preparation of the enrollment operations:</para>
 
     <variablelist>
-      <varlistentry>
-        <term><option>--password</option></term>
-
-        <listitem><para>Enroll a regular password/passphrase. This command is mostly equivalent to
-        <command>cryptsetup luksAddKey</command>, however may be combined with
-        <option>--wipe-slot=</option> in one call, see below.</para>
-
-        <xi:include href="version-info.xml" xpointer="v248"/></listitem>
-      </varlistentry>
-
-      <varlistentry>
-        <term><option>--recovery-key</option></term>
-
-        <listitem><para>Enroll a recovery key. Recovery keys are mostly identical to passphrases, but are
-        computer-generated instead of being chosen by a human, and thus have a guaranteed high entropy. The
-        key uses a character set that is easy to type in, and may be scanned off screen via a QR code.
-        </para>
-
-        <xi:include href="version-info.xml" xpointer="v248"/></listitem>
-      </varlistentry>
-
       <varlistentry>
         <term><option>--unlock-key-file=<replaceable>PATH</replaceable></option></term>
 
@@ -328,7 +307,45 @@
 
         <xi:include href="version-info.xml" xpointer="v256"/></listitem>
       </varlistentry>
+    </variablelist>
+  </refsect1>
 
+  <refsect1>
+    <title>Simple Enrollment</title>
+
+    <para>The following options are understood that may be used to enroll simple user input based
+    unlocking:</para>
+
+    <variablelist>
+      <varlistentry>
+        <term><option>--password</option></term>
+
+        <listitem><para>Enroll a regular password/passphrase. This command is mostly equivalent to
+        <command>cryptsetup luksAddKey</command>, however may be combined with
+        <option>--wipe-slot=</option> in one call, see below.</para>
+
+        <xi:include href="version-info.xml" xpointer="v248"/></listitem>
+      </varlistentry>
+
+      <varlistentry>
+        <term><option>--recovery-key</option></term>
+
+        <listitem><para>Enroll a recovery key. Recovery keys are mostly identical to passphrases, but are
+        computer-generated instead of being chosen by a human, and thus have a guaranteed high entropy. The
+        key uses a character set that is easy to type in, and may be scanned off screen via a QR code.
+        </para>
+
+        <xi:include href="version-info.xml" xpointer="v248"/></listitem>
+      </varlistentry>
+    </variablelist>
+  </refsect1>
+
+  <refsect1>
+    <title>PKCS#11 Enrollment</title>
+
+    <para>The following option is understood that may be used to enroll PKCS#11 tokens:</para>
+
+    <variablelist>
       <varlistentry>
         <term><option>--pkcs11-token-uri=<replaceable>URI</replaceable></option></term>
 
@@ -361,7 +378,15 @@
 
         <xi:include href="version-info.xml" xpointer="v248"/></listitem>
       </varlistentry>
+    </variablelist>
+  </refsect1>
 
+  <refsect1>
+    <title>FIDO2 Enrollment</title>
+
+    <para>The following options are understood that may be used to enroll PKCS#11 tokens:</para>
+
+    <variablelist>
       <varlistentry>
         <term><option>--fido2-credential-algorithm=<replaceable>STRING</replaceable></option></term>
         <listitem><para>Specify COSE algorithm used in credential generation. The default value is
@@ -461,7 +486,15 @@
 
         <xi:include href="version-info.xml" xpointer="v249"/></listitem>
       </varlistentry>
+    </variablelist>
+  </refsect1>
 
+  <refsect1>
+    <title>TPM2 Enrollment</title>
+
+    <para>The following options are understood that may be used to enroll TPM2 devices:</para>
+
+    <variablelist>
       <varlistentry>
         <term><option>--tpm2-device=<replaceable>PATH</replaceable></option></term>
 
@@ -636,7 +669,15 @@
 
         <xi:include href="version-info.xml" xpointer="v255"/></listitem>
       </varlistentry>
+    </variablelist>
+  </refsect1>
 
+  <refsect1>
+    <title>Other Options</title>
+
+    <para>The following additional options are understood:</para>
+
+    <variablelist>
       <varlistentry>
         <term><option>--wipe-slot=<replaceable>SLOT<optional>,SLOT...</optional></replaceable></option></term>
 

src/cryptenroll/cryptenroll.c

@@ -193,7 +193,7 @@ static int help(void) {
                "\n%3$sSimple Enrollment:%4$s\n"
                "     --password        Enroll a user-supplied password\n"
                "     --recovery-key    Enroll a recovery key\n"
-               "\n%3$sPKCS11 Enrollment:%4$s\n"
+               "\n%3$sPKCS#11 Enrollment:%4$s\n"
                "     --pkcs11-token-uri=URI\n"
                "                       Specify PKCS#11 security token URI\n"
                "\n%3$sFIDO2 Enrollment:%4$s\n"

src/machine/machine-varlink.c

@@ -7,6 +7,7 @@
 #include "sd-varlink.h"
 
 #include "bus-polkit.h"
+#include "copy.h"
 #include "fd-util.h"
 #include "hostname-util.h"
 #include "json-util.h"
@@ -570,3 +571,191 @@ int vl_method_open(sd_varlink *link, sd_json_variant *parameters, sd_varlink_met
 
         return sd_varlink_reply(link, v);
 }
+
+typedef struct MachineCopyParameters {
+        const char *name;
+        PidRef pidref;
+        char *src, *dest;
+        bool replace;
+} MachineCopyParameters;
+
+static void machine_copy_paramaters_done(MachineCopyParameters *p) {
+        assert(p);
+
+        pidref_done(&p->pidref);
+        free(p->src);
+        free(p->dest);
+}
+
+static int copy_done(Operation *operation, int ret, sd_bus_error *error) {
+        assert(operation);
+        assert(operation->link);
+
+        // TODO(ikruglov): maybe just leaving a plain errno in response?
+        if (ret == -EPERM || ret == -EACCES)
+                return sd_varlink_error(operation->link, SD_VARLINK_ERROR_PERMISSION_DENIED, NULL);
+        if (ERRNO_IS_NEG_NOT_SUPPORTED(ret))
+                return sd_varlink_error(operation->link, "io.systemd.Machine.NotSupported", NULL);
+        if (ret == -ENOENT)
+                return sd_varlink_error(operation->link, "io.systemd.Machine.NoSuchFile", NULL);
+        if (ret == -EEXIST)
+                return sd_varlink_error(operation->link, "io.systemd.Machine.FileExists", NULL);
+        if (ret < 0)
+                return sd_varlink_error_errno(operation->link, ret);
+
+        return sd_varlink_reply(operation->link, NULL);
+}
+
+int vl_method_copy_internal(sd_varlink *link, sd_json_variant *parameters, sd_varlink_method_flags_t flags, void *userdata, bool copy_from) {
+        static const sd_json_dispatch_field dispatch_table[] = {
+                VARLINK_DISPATCH_MACHINE_LOOKUP_FIELDS(MachineCopyParameters),
+                { "source",      SD_JSON_VARIANT_STRING,  json_dispatch_path,       offsetof(MachineCopyParameters, src),     SD_JSON_MANDATORY },
+                { "destination", SD_JSON_VARIANT_STRING,  json_dispatch_path,       offsetof(MachineCopyParameters, dest),    0                 },
+                { "replace",     SD_JSON_VARIANT_BOOLEAN, sd_json_dispatch_stdbool, offsetof(MachineCopyParameters, replace), 0                 },
+                VARLINK_DISPATCH_POLKIT_FIELD,
+                {}
+        };
+
+        Manager *manager = ASSERT_PTR(userdata);
+        _cleanup_close_ int hostfd = -EBADF, mntns_fd = -EBADF;
+        _cleanup_close_pair_ int errno_pipe_fd[2] = EBADF_PAIR;
+        _cleanup_(machine_copy_paramaters_done) MachineCopyParameters p = { .pidref = PIDREF_NULL };
+        _cleanup_free_ char *host_basename = NULL, *container_basename = NULL;
+        CopyFlags copy_flags = COPY_REFLINK|COPY_MERGE|COPY_HARDLINKS;
+        uid_t uid_shift;
+        pid_t child;
+        int r;
+
+        assert(link);
+        assert(parameters);
+
+        if (manager->n_operations >= OPERATIONS_MAX)
+                return sd_varlink_error(link, "io.systemd.MachineImage.TooManyOperations", NULL);
+
+        r = sd_varlink_dispatch(link, parameters, dispatch_table, &p);
+        if (r != 0)
+                return r;
+
+        /* There is no need for extra validation since path_is_absolute() does path_is_valid() and path_is_absolute().*/
+        const char *dest = p.dest ?: p.src;
+        const char *container_path = copy_from ? p.src : dest;
+        const char *host_path = copy_from ? dest : p.src;
+        copy_flags |= p.replace ? COPY_REPLACE : 0;
+
+        Machine *machine;
+        r = lookup_machine_by_name_or_pidref(link, manager, p.name, &p.pidref, &machine);
+        if (r == -ESRCH)
+                return sd_varlink_error(link, "io.systemd.Machine.NoSuchMachine", NULL);
+        if (r != 0)
+                return r;
+
+        if (machine->class != MACHINE_CONTAINER)
+                return sd_varlink_error(link, "io.systemd.Machine.NotSupported", NULL);
+
+        r = varlink_verify_polkit_async(
+                        link,
+                        manager->bus,
+                        "org.freedesktop.machine1.manage-machines",
+                        (const char**) STRV_MAKE("name", machine->name,
+                                                 "verb", "copy",
+                                                 "src", p.src,
+                                                 "dest", dest),
+                        &manager->polkit_registry);
+        if (r <= 0)
+                return r;
+
+        r = path_extract_filename(host_path, &host_basename);
+        if (r < 0)
+                return log_debug_errno(r, "Failed to extract file name of '%s' path: %m", host_path);
+
+        r = path_extract_filename(container_path, &container_basename);
+        if (r < 0)
+                return log_debug_errno(r, "Failed to extract file name of '%s' path: %m", container_path);
+
+        hostfd = open_parent(host_path, O_CLOEXEC, 0);
+        if (hostfd < 0)
+                return log_debug_errno(hostfd, "Failed to open host directory %s: %m", host_path);
+
+        r = machine_get_uid_shift(machine, &uid_shift);
+        if (r < 0)
+                return log_debug_errno(r, "Failed to get machine UID shift: %m");
+
+        r = pidref_namespace_open(&machine->leader,
+                        /* ret_pidns_fd = */  NULL,
+                        &mntns_fd,
+                        /* ret_netns_fd = */  NULL,
+                        /* ret_userns_fd = */ NULL,
+                        /* ret_root_fd = */   NULL);
+        if (r < 0)
+                return log_debug_errno(r, "Failed to open namespace: %m");
+
+        if (pipe2(errno_pipe_fd, O_CLOEXEC|O_NONBLOCK) < 0)
+                return log_debug_errno(errno, "Failed to create pipe: %m");
+
+        r = namespace_fork("(sd-copyns)",
+                           "(sd-copy)",
+                           /* except_fds = */ NULL,
+                           /* n_except_fds = */ 0,
+                           FORK_RESET_SIGNALS|FORK_DEATHSIG_SIGKILL,
+                           /* pidns_fd = */ -1,
+                           mntns_fd,
+                           /* netns_fd = */ -1,
+                           /* userns_fd = */ -1,
+                           /* root_fd = */ -1,
+                           &child);
+        if (r < 0)
+                return log_debug_errno(r, "Failed to fork(): %m");
+        if (r == 0) {
+                errno_pipe_fd[0] = safe_close(errno_pipe_fd[0]);
+
+                _cleanup_close_ int containerfd = -EBADF;
+                containerfd = open_parent(container_path, O_CLOEXEC, 0);
+                if (containerfd < 0) {
+                        log_error_errno(containerfd, "Failed to open destination directory: %m");
+                        report_errno_and_exit(errno_pipe_fd[1], containerfd);
+                }
+
+                /* Run the actual copy operation. Note that when a UID shift is set we'll either clamp the UID/GID to */
+                /* 0 or to the actual UID shift depending on the direction we copy. If no UID shift is set we'll copy */
+                /* the UID/GIDs as they are.  */
+                r = copy_from ? copy_tree_at(
+                                        containerfd,
+                                        container_basename,
+                                        hostfd,
+                                        host_basename,
+                                        uid_shift == 0 ? UID_INVALID : 0,
+                                        uid_shift == 0 ? GID_INVALID : 0,
+                                        copy_flags,
+                                        /* denylist = */ NULL,
+                                        /* subvolumes = */ NULL)
+                              : copy_tree_at(
+                                        hostfd,
+                                        host_basename,
+                                        containerfd,
+                                        container_basename,
+                                        uid_shift == 0 ? UID_INVALID : uid_shift,
+                                        uid_shift == 0 ? GID_INVALID : uid_shift,
+                                        copy_flags,
+                                        /* denylist = */ NULL,
+                                        /* subvolumes = */ NULL);
+
+                if (r < 0)
+                        log_error_errno(r, "Failed to copy tree: %m");
+
+                report_errno_and_exit(errno_pipe_fd[1], r);
+        }
+
+        errno_pipe_fd[1] = safe_close(errno_pipe_fd[1]);
+
+        Operation *operation;
+        r = operation_new_with_varlink_reply(manager, machine, child, link, errno_pipe_fd[0], &operation);
+        if (r < 0) {
+                sigkill_wait(child);
+                return r;
+        }
+
+        operation->done = copy_done;
+
+        TAKE_FD(errno_pipe_fd[0]);
+        return 1;
+}

src/machine/machine-varlink.h

@@ -25,3 +25,4 @@ int vl_method_unregister_internal(sd_varlink *link, sd_json_variant *parameters,
 int vl_method_terminate_internal(sd_varlink *link, sd_json_variant *parameters, sd_varlink_method_flags_t flags, void *userdata);
 int vl_method_kill(sd_varlink *link, sd_json_variant *parameters, sd_varlink_method_flags_t flags, void *userdata);
 int vl_method_open(sd_varlink *link, sd_json_variant *parameters, sd_varlink_method_flags_t flags, void *userdata);
+int vl_method_copy_internal(sd_varlink *link, sd_json_variant *parameters, sd_varlink_method_flags_t flags, void *userdata, bool copy_from);

src/machine/machined-varlink.c

@@ -590,6 +590,13 @@ static int vl_method_terminate(sd_varlink *link, sd_json_variant *parameters, sd
         return lookup_machine_and_call_method(link, parameters, flags, userdata, vl_method_terminate_internal);
 }
 
+static int vl_method_copy_from(sd_varlink *link, sd_json_variant *parameters, sd_varlink_method_flags_t flags, void *userdata) {
+        return vl_method_copy_internal(link, parameters, flags, userdata, /* copy_from = */ true);
+}
+static int vl_method_copy_to(sd_varlink *link, sd_json_variant *parameters, sd_varlink_method_flags_t flags, void *userdata) {
+        return vl_method_copy_internal(link, parameters, flags, userdata, /* copy_from = */ false);
+}
+
 static int list_image_one_and_maybe_read_metadata(sd_varlink *link, Image *image, bool more, AcquireMetadata am) {
         int r;
 
@@ -774,6 +781,8 @@ static int manager_varlink_init_machine(Manager *m) {
                         "io.systemd.Machine.Terminate",   vl_method_terminate,
                         "io.systemd.Machine.Kill",        vl_method_kill,
                         "io.systemd.Machine.Open",        vl_method_open,
+                        "io.systemd.Machine.CopyFrom",    vl_method_copy_from,
+                        "io.systemd.Machine.CopyTo",      vl_method_copy_to,
                         "io.systemd.MachineImage.List",   vl_method_list_images,
                         "io.systemd.MachineImage.Update", vl_method_update_image,
                         "io.systemd.MachineImage.Clone",  vl_method_clone_image,

src/machine/operation.c

@@ -46,10 +46,13 @@ static int operation_done(sd_event_source *s, const siginfo_t *si, void *userdat
         if (r < 0)
                 log_debug_errno(r, "Operation failed: %m");
 
-        /* If a completion routine (o->done) is set for this operation, call it. It sends a response, but can return an error in which case it expect us to reply.
-         * Otherwise, the default action is to simply return an error on failure or an empty success message on success. */
-
         if (o->message) {
+                /* If a completion routine (o->done) is set for this operation,
+                 * call it. It sends a response, but can return an error in
+                 * which case it expect us to reply.  Otherwise, the default
+                 * action is to simply return an error on failure or an empty
+                 * success message on success. */
+
                 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
                 if (o->done)
                         r = o->done(o, r, &error);
@@ -68,13 +71,13 @@ static int operation_done(sd_event_source *s, const siginfo_t *si, void *userdat
                                 log_error_errno(r, "Failed to reply to dbus message: %m");
                 }
         } else if (o->link) {
+                /* If a completion routine (o->done) is set for this operation,
+                 * then it's completely response for sending a response */
                 if (o->done)
-                        r = o->done(o, r, /* error = */ NULL);
-
-                if (r < 0)
+                        (void) o->done(o, r, /* error = */ NULL);
+                else if (r < 0)
                         (void) sd_varlink_error_errno(o->link, r);
-                else if (!o->done)
-                        /* when o->done set it's responsible for sending reply in a happy-path case */
+                else
                         (void) sd_varlink_reply(o->link, NULL);
         } else
                 assert_not_reached();

src/shared/tpm2-util.h

@@ -392,7 +392,7 @@ int tpm2_make_pcr_json_array(uint32_t pcr_mask, sd_json_variant **ret);
 int tpm2_parse_pcr_json_array(sd_json_variant *v, uint32_t *ret);
 
 int tpm2_make_luks2_json(int keyslot, uint32_t hash_pcr_mask, uint16_t pcr_bank, const struct iovec *pubkey, uint32_t pubkey_pcr_mask, uint16_t primary_alg, const struct iovec blobs[], size_t n_blobs, const struct iovec policy_hash[], size_t n_policy_hash, const struct iovec *salt, const struct iovec *srk, const struct iovec *pcrlock_nv, TPM2Flags flags, sd_json_variant **ret);
-int tpm2_parse_luks2_json(sd_json_variant *v, int *ret_keyslot, uint32_t *ret_hash_pcr_mask, uint16_t *ret_pcr_bank, struct iovec *ret_pubkey, uint32_t *ret_pubkey_pcr_mask, uint16_t *ret_primary_alg, struct iovec **ret_blobs, size_t *ret_n_blobs, struct iovec **ret_policy_hash, size_t *ret_n_policy_hash, struct iovec *ret_salt, struct iovec *ret_srk, struct iovec *pcrlock_nv, TPM2Flags *ret_flags);
+int tpm2_parse_luks2_json(sd_json_variant *v, int *ret_keyslot, uint32_t *ret_hash_pcr_mask, uint16_t *ret_pcr_bank, struct iovec *ret_pubkey, uint32_t *ret_pubkey_pcr_mask, uint16_t *ret_primary_alg, struct iovec **ret_blobs, size_t *ret_n_blobs, struct iovec **ret_policy_hash, size_t *ret_n_policy_hash, struct iovec *ret_salt, struct iovec *ret_srk, struct iovec *ret_pcrlock_nv, TPM2Flags *ret_flags);
 
 /* Default to PCR 7 only */
 #define TPM2_PCR_INDEX_DEFAULT UINT32_C(7)

src/shared/varlink-io.systemd.Machine.c

@@ -121,9 +121,30 @@ static SD_VARLINK_DEFINE_METHOD(
                 SD_VARLINK_DEFINE_OUTPUT(ptyFileDescriptor, SD_VARLINK_INT, 0),
                 SD_VARLINK_FIELD_COMMENT("Path to the allocated pseudo TTY"),
                 SD_VARLINK_DEFINE_OUTPUT(ptyPath, SD_VARLINK_STRING, 0));
+static SD_VARLINK_DEFINE_METHOD(
+                CopyFrom,
+                VARLINK_DEFINE_MACHINE_LOOKUP_AND_POLKIT_INPUT_FIELDS,
+                SD_VARLINK_FIELD_COMMENT("A source directory in the container"),
+                SD_VARLINK_DEFINE_INPUT(source, SD_VARLINK_STRING, 0),
+                SD_VARLINK_FIELD_COMMENT("A destination directory in the container. If null, it's equal to 'source'"),
+                SD_VARLINK_DEFINE_INPUT(destination, SD_VARLINK_STRING, SD_VARLINK_NULLABLE),
+                SD_VARLINK_FIELD_COMMENT("If true the destination will be replaced"),
+                SD_VARLINK_DEFINE_INPUT(replace, SD_VARLINK_BOOL, SD_VARLINK_NULLABLE));
+
+static SD_VARLINK_DEFINE_METHOD(
+                CopyTo,
+                VARLINK_DEFINE_MACHINE_LOOKUP_AND_POLKIT_INPUT_FIELDS,
+                SD_VARLINK_FIELD_COMMENT("A source directory on the host"),
+                SD_VARLINK_DEFINE_INPUT(source, SD_VARLINK_STRING, 0),
+                SD_VARLINK_FIELD_COMMENT("A destination directory in the container. If null, it's equal to 'source'"),
+                SD_VARLINK_DEFINE_INPUT(destination, SD_VARLINK_STRING, SD_VARLINK_NULLABLE),
+                SD_VARLINK_FIELD_COMMENT("If true the destination will be replaced"),
+                SD_VARLINK_DEFINE_INPUT(replace, SD_VARLINK_BOOL, SD_VARLINK_NULLABLE));
 
 static SD_VARLINK_DEFINE_ERROR(NoSuchMachine);
 static SD_VARLINK_DEFINE_ERROR(MachineExists);
+static SD_VARLINK_DEFINE_ERROR(NoSuchFile);
+static SD_VARLINK_DEFINE_ERROR(FileExists);
 static SD_VARLINK_DEFINE_ERROR(NoPrivateNetworking);
 static SD_VARLINK_DEFINE_ERROR(NoOSReleaseInformation);
 static SD_VARLINK_DEFINE_ERROR(NoUIDShift);
@@ -154,9 +175,17 @@ SD_VARLINK_DEFINE_INTERFACE(
                 &vl_type_MachineOpenMode,
                 SD_VARLINK_SYMBOL_COMMENT("Allocates a pseudo TTY in the container in various modes"),
                 &vl_method_Open,
+                SD_VARLINK_SYMBOL_COMMENT("Copy files or directories from a container into the host"),
+                &vl_method_CopyFrom,
+                SD_VARLINK_SYMBOL_COMMENT("Copy files or directories from the host into a container"),
+                &vl_method_CopyTo,
                 SD_VARLINK_SYMBOL_COMMENT("No matching machine currently running"),
                 &vl_error_NoSuchMachine,
                 &vl_error_MachineExists,
+                SD_VARLINK_SYMBOL_COMMENT("No such file"),
+                &vl_error_NoSuchFile,
+                SD_VARLINK_SYMBOL_COMMENT("File exists"),
+                &vl_error_FileExists,
                 SD_VARLINK_SYMBOL_COMMENT("Machine does not use private networking"),
                 &vl_error_NoPrivateNetworking,
                 SD_VARLINK_SYMBOL_COMMENT("Machine does not contain OS release information"),

src/userdb/userdbctl.c

@@ -23,6 +23,7 @@
 #include "user-util.h"
 #include "userdb.h"
 #include "verbs.h"
+#include "virt.h"
 
 static enum {
         OUTPUT_CLASSIC,
@@ -139,10 +140,16 @@ static int show_user(UserRecord *ur, Table *table) {
         return 0;
 }
 
+static bool test_show_mapped(void) {
+        /* Show mapped user range only in environments where user mapping is a thing. */
+        return running_in_userns() > 0;
+}
+
 static const struct {
         uid_t first, last;
         const char *name;
         UserDisposition disposition;
+        bool (*test)(void);
 } uid_range_table[] = {
         {
                 .first = 1,
@@ -175,11 +182,12 @@ static const struct {
                 .last = MAP_UID_MAX,
                 .name = "mapped",
                 .disposition = USER_REGULAR,
+                .test = test_show_mapped,
         },
 };
 
 static int table_add_uid_boundaries(Table *table, const UIDRange *p) {
-        int r;
+        int r, n_added = 0;
 
         assert(table);
 
@@ -192,6 +200,9 @@ static int table_add_uid_boundaries(Table *table, const UIDRange *p) {
                 if (!uid_range_covers(p, i->first, i->last - i->first + 1))
                         continue;
 
+                if (i->test && !i->test())
+                        continue;
+
                 name = strjoin(special_glyph(SPECIAL_GLYPH_ARROW_DOWN),
                                " begin ", i->name, " users ",
                                special_glyph(SPECIAL_GLYPH_ARROW_DOWN));
@@ -249,9 +260,11 @@ static int table_add_uid_boundaries(Table *table, const UIDRange *p) {
                                 TABLE_INT, 1); /* sort after any other entry with the same UID */
                 if (r < 0)
                         return table_log_add_error(r);
+
+                n_added += 2;
         }
 
-        return ELEMENTSOF(uid_range_table) * 2;
+        return n_added;
 }
 
 static int add_unavailable_uid(Table *table, uid_t start, uid_t end) {
@@ -565,16 +578,22 @@ static int show_group(GroupRecord *gr, Table *table) {
 }
 
 static int table_add_gid_boundaries(Table *table, const UIDRange *p) {
-        int r;
+        int r, n_added = 0;
 
         assert(table);
 
         FOREACH_ELEMENT(i, uid_range_table) {
                 _cleanup_free_ char *name = NULL, *comment = NULL;
 
+                if (!FLAGS_SET(arg_disposition_mask, UINT64_C(1) << i->disposition))
+                        continue;
+
                 if (!uid_range_covers(p, i->first, i->last - i->first + 1))
                         continue;
 
+                if (i->test && !i->test())
+                        continue;
+
                 name = strjoin(special_glyph(SPECIAL_GLYPH_ARROW_DOWN),
                                " begin ", i->name, " groups ",
                                special_glyph(SPECIAL_GLYPH_ARROW_DOWN));
@@ -626,9 +645,11 @@ static int table_add_gid_boundaries(Table *table, const UIDRange *p) {
                                 TABLE_INT, 1); /* sort after any other entry with the same GID */
                 if (r < 0)
                         return table_log_add_error(r);
+
+                n_added += 2;
         }
 
-        return ELEMENTSOF(uid_range_table) * 2;
+        return n_added;
 }
 
 static int add_unavailable_gid(Table *table, uid_t start, uid_t end) {

test/units/TEST-13-NSPAWN.machined.sh

@@ -252,7 +252,7 @@ done
 
 ####################
 # varlinkctl tests #
-# ##################
+####################
 
 long_running_machine_start
 
@@ -352,12 +352,7 @@ TS="$(date '+%H:%M:%S')"
 (! varlinkctl --more call /run/systemd/machine/io.systemd.Machine io.systemd.Machine.List '{"acquireMetadata": "yes"}')
 journalctl --sync
 (! journalctl -u systemd-machined.service --since="$TS" --grep 'Connection busy')
-# terminate machines
 machinectl terminate container-without-os-release
-machinectl terminate long-running
-# wait for the container being stopped, otherwise acquiring image metadata by io.systemd.MachineImage.List may fail in the below.
-timeout 10 bash -c "while machinectl status long-running &>/dev/null; do sleep .5; done"
-systemctl kill --signal=KILL systemd-nspawn@long-running.service || :
 
 (ip addr show lo | grep -q 192.168.1.100) || ip address add 192.168.1.100/24 dev lo
 (! varlinkctl call /run/systemd/machine/io.systemd.Machine io.systemd.Machine.List '{"name": ".host"}' | grep 'addresses')
@@ -386,6 +381,30 @@ varlinkctl call /run/systemd/machine/io.systemd.Machine io.systemd.Machine.Open
 timeout 30 bash -c "until test -e /tmp/none-existent-file; do sleep .5; done"
 grep -q "BAR" /tmp/none-existent-file
 
+# test io.systemd.Machine.CopyTo
+long_running_machine_start
+rm -f /tmp/foo /var/lib/machines/long-running/root/foo
+cp /etc/machine-id /tmp/foo
+varlinkctl call /run/systemd/machine/io.systemd.Machine io.systemd.Machine.CopyTo '{"name": "long-running", "source": "/tmp/foo", "destination": "/root/foo"}'
+diff /tmp/foo /var/lib/machines/long-running/root/foo
+(! varlinkctl call /run/systemd/machine/io.systemd.Machine io.systemd.Machine.CopyTo '{"name": "long-running", "source": "/tmp/foo", "destination": "/root/foo"}')
+
+echo "sample-test-output" > /tmp/foo
+varlinkctl call /run/systemd/machine/io.systemd.Machine io.systemd.Machine.CopyTo '{"name": "long-running", "source": "/tmp/foo", "destination": "/root/foo", "replace": true}'
+diff /tmp/foo /var/lib/machines/long-running/root/foo
+rm -f /tmp/foo /var/lib/machines/long-running/root/foo
+
+# test io.systemd.Machine.CopyFrom
+cp /etc/machine-id /var/lib/machines/long-running/foo
+varlinkctl call /run/systemd/machine/io.systemd.Machine io.systemd.Machine.CopyFrom '{"name": "long-running", "source": "/foo"}'
+diff /var/lib/machines/long-running/foo /foo
+rm -f /var/lib/machines/long-running/root/foo /foo
+
+# Terminating machine, otherwise acquiring image metadata by io.systemd.MachineImage.List may fail in the below.
+machinectl terminate long-running
+timeout 10 bash -c "while machinectl status long-running &>/dev/null; do sleep .5; done"
+systemctl kill --signal=KILL systemd-nspawn@long-running.service || :
+
 # test io.systemd.MachineImage.List
 varlinkctl --more call /run/systemd/machine/io.systemd.MachineImage io.systemd.MachineImage.List '{}' | grep 'long-running'
 varlinkctl --more call /run/systemd/machine/io.systemd.MachineImage io.systemd.MachineImage.List '{}' | grep '.host'