Adding upstream version 252.22.upstream/252.22upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 182 insertions, 0 deletions

diff --git a/src/machine-id-setup/machine-id-setup-main.c b/src/machine-id-setup/machine-id-setup-main.c
new file mode 100644
index 0000000..b595b2a
--- /dev/null
+++ b/src/machine-id-setup/machine-id-setup-main.c
@@ -0,0 +1,182 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <errno.h>
+#include <getopt.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "alloc-util.h"
+#include "dissect-image.h"
+#include "id128-util.h"
+#include "log.h"
+#include "machine-id-setup.h"
+#include "main-func.h"
+#include "mount-util.h"
+#include "parse-argument.h"
+#include "path-util.h"
+#include "pretty-print.h"
+#include "terminal-util.h"
+#include "util.h"
+
+static char *arg_root = NULL;
+static char *arg_image = NULL;
+static bool arg_commit = false;
+static bool arg_print = false;
+
+STATIC_DESTRUCTOR_REGISTER(arg_root, freep);
+STATIC_DESTRUCTOR_REGISTER(arg_image, freep);
+
+static int help(void) {
+        _cleanup_free_ char *link = NULL;
+        int r;
+
+        r = terminal_urlify_man("systemd-machine-id-setup", "1", &link);
+        if (r < 0)
+                return log_oom();
+
+        printf("%s [OPTIONS...]\n"
+               "\n%sInitialize /etc/machine-id from a random source.%s\n\n"
+               "  -h --help             Show this help\n"
+               "     --version          Show package version\n"
+               "     --root=PATH        Operate relative to root path\n"
+               "     --image=PATH       Operate relative to image file\n"
+               "     --commit           Commit transient ID\n"
+               "     --print            Print used machine ID\n"
+               "\nSee the %s for details.\n",
+               program_invocation_short_name,
+               ansi_highlight(),
+               ansi_normal(),
+               link);
+
+        return 0;
+}
+
+static int parse_argv(int argc, char *argv[]) {
+
+        enum {
+                ARG_VERSION = 0x100,
+                ARG_ROOT,
+                ARG_IMAGE,
+                ARG_COMMIT,
+                ARG_PRINT,
+        };
+
+        static const struct option options[] = {
+                { "help",      no_argument,       NULL, 'h'           },
+                { "version",   no_argument,       NULL, ARG_VERSION   },
+                { "root",      required_argument, NULL, ARG_ROOT      },
+                { "image",     required_argument, NULL, ARG_IMAGE     },
+                { "commit",    no_argument,       NULL, ARG_COMMIT    },
+                { "print",     no_argument,       NULL, ARG_PRINT     },
+                {}
+        };
+
+        int c, r;
+
+        assert(argc >= 0);
+        assert(argv);
+
+        while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0)
+
+                switch (c) {
+
+                case 'h':
+                        return help();
+
+                case ARG_VERSION:
+                        return version();
+
+                case ARG_ROOT:
+                        r = parse_path_argument(optarg, true, &arg_root);
+                        if (r < 0)
+                                return r;
+                        break;
+
+                case ARG_IMAGE:
+                        r = parse_path_argument(optarg, false, &arg_image);
+                        if (r < 0)
+                                return r;
+                        break;
+
+                case ARG_COMMIT:
+                        arg_commit = true;
+                        break;
+
+                case ARG_PRINT:
+                        arg_print = true;
+                        break;
+
+                case '?':
+                        return -EINVAL;
+
+                default:
+                        assert_not_reached();
+                }
+
+        if (optind < argc)
+                return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+                                       "Extraneous arguments");
+
+        if (arg_image && arg_root)
+                return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Please specify either --root= or --image=, the combination of both is not supported.");
+
+        return 1;
+}
+
+static int run(int argc, char *argv[]) {
+        _cleanup_(loop_device_unrefp) LoopDevice *loop_device = NULL;
+        _cleanup_(umount_and_rmdir_and_freep) char *unlink_dir = NULL;
+        sd_id128_t id;
+        int r;
+
+        log_parse_environment();
+        log_open();
+
+        r = parse_argv(argc, argv);
+        if (r <= 0)
+                return r;
+
+        if (arg_image) {
+                assert(!arg_root);
+
+                r = mount_image_privately_interactively(
+                                arg_image,
+                                DISSECT_IMAGE_REQUIRE_ROOT |
+                                DISSECT_IMAGE_VALIDATE_OS |
+                                DISSECT_IMAGE_RELAX_VAR_CHECK |
+                                DISSECT_IMAGE_FSCK |
+                                DISSECT_IMAGE_GROWFS,
+                                &unlink_dir,
+                                &loop_device);
+                if (r < 0)
+                        return r;
+
+                arg_root = strdup(unlink_dir);
+                if (!arg_root)
+                        return log_oom();
+        }
+
+        if (arg_commit) {
+                const char *etc_machine_id;
+
+                r = machine_id_commit(arg_root);
+                if (r < 0)
+                        return r;
+
+                etc_machine_id = prefix_roota(arg_root, "/etc/machine-id");
+                r = id128_read(etc_machine_id, ID128_FORMAT_PLAIN, &id);
+                if (r < 0)
+                        return log_error_errno(r, "Failed to read machine ID back: %m");
+        } else {
+                r = machine_id_setup(arg_root, false, SD_ID128_NULL, &id);
+                if (r < 0)
+                        return r;
+        }
+
+        if (arg_print)
+                puts(SD_ID128_TO_STRING(id));
+
+        return 0;
+}
+
+DEFINE_MAIN_FUNCTION(run);