#include <sys/socket.h>
#include <linux/netlink.h>
#include <sys/eventfd.h>
-#if HAVE_SELINUX
+#ifdef HAVE_SELINUX
#include <selinux/selinux.h>
#endif
static char *arg_user = NULL;
static sd_id128_t arg_uuid = {};
static char *arg_machine = NULL;
-static char *arg_process_label = NULL;
-static char *arg_file_label = NULL;
+static char *arg_selinux_context = NULL;
+static char *arg_selinux_apifs_context = NULL;
static const char *arg_slice = NULL;
static bool arg_private_network = false;
static bool arg_read_only = false;
static char **arg_bind = NULL;
static char **arg_bind_ro = NULL;
static char **arg_setenv = NULL;
+static bool arg_quiet = false;
+static bool arg_share_system = false;
static int help(void) {
" --uuid=UUID Set a specific machine UUID for the container\n"
" -M --machine=NAME Set the machine name for the container\n"
" -S --slice=SLICE Place the container in the specified slice\n"
- " -L --file-label=LABEL Set the MAC file label to be used by tmpfs file\n"
- " systems in the container\n"
- " -Z --process-label=LABEL Set the MAC label to be used by processes in\n"
- " the container\n"
+ " -Z --selinux-context=SECLABEL\n"
+ " Set the SELinux security context to be used by\n"
+ " processes in the container\n"
+ " -L --selinux-apifs-context=SECLABEL\n"
+ " Set the SELinux security context to be used by\n"
+ " API/tmpfs file systems in the container\n"
" --private-network Disable network in container\n"
+ " --share-system Share system namespaces with host\n"
" --read-only Mount the root directory read-only\n"
" --capability=CAP In addition to the default, retain specified\n"
" capability\n"
" --bind=PATH[:PATH] Bind mount a file or directory from the host into\n"
" the container\n"
" --bind-ro=PATH[:PATH] Similar, but creates a read-only bind mount\n"
- " --setenv=NAME=VALUE Pass an environment variable to PID 1\n",
+ " --setenv=NAME=VALUE Pass an environment variable to PID 1\n"
+ " -q --quiet Do not show status information\n",
program_invocation_short_name);
return 0;
ARG_BIND,
ARG_BIND_RO,
ARG_SETENV,
+ ARG_SHARE_SYSTEM
};
static const struct option options[] = {
- { "help", no_argument, NULL, 'h' },
- { "version", no_argument, NULL, ARG_VERSION },
- { "directory", required_argument, NULL, 'D' },
- { "user", required_argument, NULL, 'u' },
- { "private-network", no_argument, NULL, ARG_PRIVATE_NETWORK },
- { "boot", no_argument, NULL, 'b' },
- { "uuid", required_argument, NULL, ARG_UUID },
- { "read-only", no_argument, NULL, ARG_READ_ONLY },
- { "capability", required_argument, NULL, ARG_CAPABILITY },
- { "drop-capability", required_argument, NULL, ARG_DROP_CAPABILITY },
- { "link-journal", required_argument, NULL, ARG_LINK_JOURNAL },
- { "bind", required_argument, NULL, ARG_BIND },
- { "bind-ro", required_argument, NULL, ARG_BIND_RO },
- { "machine", required_argument, NULL, 'M' },
- { "slice", required_argument, NULL, 'S' },
- { "setenv", required_argument, NULL, ARG_SETENV },
- { "process-label", required_argument, NULL, 'Z' },
- { "file-label", required_argument, NULL, 'L' },
+ { "help", no_argument, NULL, 'h' },
+ { "version", no_argument, NULL, ARG_VERSION },
+ { "directory", required_argument, NULL, 'D' },
+ { "user", required_argument, NULL, 'u' },
+ { "private-network", no_argument, NULL, ARG_PRIVATE_NETWORK },
+ { "boot", no_argument, NULL, 'b' },
+ { "uuid", required_argument, NULL, ARG_UUID },
+ { "read-only", no_argument, NULL, ARG_READ_ONLY },
+ { "capability", required_argument, NULL, ARG_CAPABILITY },
+ { "drop-capability", required_argument, NULL, ARG_DROP_CAPABILITY },
+ { "link-journal", required_argument, NULL, ARG_LINK_JOURNAL },
+ { "bind", required_argument, NULL, ARG_BIND },
+ { "bind-ro", required_argument, NULL, ARG_BIND_RO },
+ { "machine", required_argument, NULL, 'M' },
+ { "slice", required_argument, NULL, 'S' },
+ { "setenv", required_argument, NULL, ARG_SETENV },
+ { "selinux-context", required_argument, NULL, 'Z' },
+ { "selinux-apifs-context", required_argument, NULL, 'L' },
+ { "quiet", no_argument, NULL, 'q' },
+ { "share-system", no_argument, NULL, ARG_SHARE_SYSTEM },
{}
};
assert(argc >= 0);
assert(argv);
- while ((c = getopt_long(argc, argv, "+hD:u:bL:M:jS:Z:", options, NULL)) >= 0) {
+ while ((c = getopt_long(argc, argv, "+hD:u:bL:M:jS:Z:q", options, NULL)) >= 0) {
switch (c) {
break;
- case 'L':
- arg_file_label = optarg;
+ case 'Z':
+ arg_selinux_context = optarg;
break;
- case 'Z':
- arg_process_label = optarg;
+ case 'L':
+ arg_selinux_apifs_context = optarg;
break;
case ARG_READ_ONLY:
break;
}
+ case 'q':
+ arg_quiet = true;
+ break;
+
+ case ARG_SHARE_SYSTEM:
+ arg_share_system = true;
+ break;
+
case '?':
return -EINVAL;
mkdir_p(where, 0755);
#ifdef HAVE_SELINUX
- if (arg_file_label && (streq_ptr(mount_table[k].what, "tmpfs") || streq_ptr(mount_table[k].what, "devpts"))) {
- options = strjoin(mount_table[k].options, ",context=\"", arg_file_label, "\"", NULL);
+ if (arg_selinux_apifs_context &&
+ (streq_ptr(mount_table[k].what, "tmpfs") || streq_ptr(mount_table[k].what, "devpts"))) {
+ options = strjoin(mount_table[k].options, ",context=\"", arg_selinux_apifs_context, "\"", NULL);
if (!options)
return log_oom();
goto finish;
}
- if (path_is_os_tree(arg_directory) <= 0) {
+ if (arg_boot && path_is_os_tree(arg_directory) <= 0) {
log_error("Directory %s doesn't look like an OS root directory (/etc/os-release is missing). Refusing.", arg_directory);
goto finish;
}
goto finish;
}
- log_info("Spawning container %s on %s. Press ^] three times within 1s to abort execution.", arg_machine, arg_directory);
+ if (!arg_quiet)
+ log_info("Spawning container %s on %s. Press ^] three times within 1s to abort execution.", arg_machine, arg_directory);
if (unlockpt(master) < 0) {
log_error("Failed to unlock tty: %m");
goto finish;
}
- pid = syscall(__NR_clone, SIGCHLD|CLONE_NEWIPC|CLONE_NEWNS|CLONE_NEWPID|CLONE_NEWUTS|(arg_private_network ? CLONE_NEWNET : 0), NULL);
+ pid = syscall(__NR_clone,
+ SIGCHLD|CLONE_NEWNS|
+ (arg_share_system ? 0 : CLONE_NEWIPC|CLONE_NEWPID|CLONE_NEWUTS)|
+ (arg_private_network ? CLONE_NEWNET : 0), NULL);
if (pid < 0) {
if (errno == EINVAL)
log_error("clone() failed, do you have namespace support enabled in your kernel? (You need UTS, IPC, PID and NET namespacing built in): %m");
} else
env_use = (char**) envp;
-#if HAVE_SELINUX
- if (arg_process_label)
- if (setexeccon(arg_process_label) < 0)
- log_error("setexeccon(\"%s\") failed: %m", arg_process_label);
+#ifdef HAVE_SELINUX
+ if (arg_selinux_context)
+ if (setexeccon(arg_selinux_context) < 0)
+ log_error("setexeccon(\"%s\") failed: %m", arg_selinux_context);
#endif
if (arg_boot) {
char **a;
break;
}
- putc('\n', stdout);
+ if (!arg_quiet)
+ putc('\n', stdout);
/* Kill if it is not dead yet anyway */
terminate_machine(pid);
break;
}
- log_debug("Container %s exited successfully.", arg_machine);
+ if (!arg_quiet)
+ log_debug("Container %s exited successfully.", arg_machine);
break;
} else if (status.si_code == CLD_KILLED &&
status.si_status == SIGINT) {
- log_info("Container %s has been shut down.", arg_machine);
+
+ if (!arg_quiet)
+ log_info("Container %s has been shut down.", arg_machine);
r = 0;
break;
} else if (status.si_code == CLD_KILLED &&
status.si_status == SIGHUP) {
- log_info("Container %s is being rebooted.", arg_machine);
+
+ if (!arg_quiet)
+ log_info("Container %s is being rebooted.", arg_machine);
continue;
} else if (status.si_code == CLD_KILLED ||
status.si_code == CLD_DUMPED) {