diff options
Diffstat (limited to 'src/core/mount.c')
| -rw-r--r-- | src/core/mount.c | 122 |
1 files changed, 72 insertions, 50 deletions
diff --git a/src/core/mount.c b/src/core/mount.c index e7aae6e19a..950d5d76d5 100644 --- a/src/core/mount.c +++ b/src/core/mount.c @@ -20,25 +20,34 @@ ***/ #include <errno.h> +#include <signal.h> #include <stdio.h> #include <sys/epoll.h> -#include <signal.h> -#include "manager.h" -#include "unit.h" -#include "mount.h" -#include "log.h" #include "sd-messages.h" -#include "strv.h" -#include "mkdir.h" -#include "path-util.h" -#include "mount-setup.h" -#include "unit-name.h" + +#include "alloc-util.h" #include "dbus-mount.h" -#include "special.h" +#include "escape.h" #include "exit-status.h" -#include "fstab-util.h" #include "formats-util.h" +#include "fstab-util.h" +#include "log.h" +#include "manager.h" +#include "mkdir.h" +#include "mount-setup.h" +#include "mount-util.h" +#include "mount.h" +#include "parse-util.h" +#include "path-util.h" +#include "process-util.h" +#include "smack-util.h" +#include "special.h" +#include "string-table.h" +#include "string-util.h" +#include "strv.h" +#include "unit-name.h" +#include "unit.h" #define RETRY_UMOUNT_MAX 32 @@ -202,6 +211,7 @@ static void mount_done(Unit *u) { assert(m); m->where = mfree(m->where); + m->smack_fs_root_label = mfree(m->smack_fs_root_label); mount_parameters_done(&m->parameters_proc_self_mountinfo); mount_parameters_done(&m->parameters_fragment); @@ -246,9 +256,10 @@ static int mount_add_mount_links(Mount *m) { if (!path_equal(m->where, "/")) { /* Adds in links to other mount points that might lie further * up in the hierarchy */ - r = path_get_parent(m->where, &parent); - if (r < 0) - return r; + + parent = dirname_malloc(m->where); + if (!parent) + return -ENOMEM; r = unit_require_mounts_for(UNIT(m), parent); if (r < 0) @@ -621,19 +632,19 @@ static int mount_coldplug(Unit *u) { if (new_state == m->state) return 0; - if (new_state == MOUNT_MOUNTING || - new_state == MOUNT_MOUNTING_DONE || - new_state == MOUNT_REMOUNTING || - new_state == MOUNT_UNMOUNTING || - new_state == MOUNT_MOUNTING_SIGTERM || - new_state == MOUNT_MOUNTING_SIGKILL || - new_state == MOUNT_UNMOUNTING_SIGTERM || - new_state == MOUNT_UNMOUNTING_SIGKILL || - new_state == MOUNT_REMOUNTING_SIGTERM || - new_state == MOUNT_REMOUNTING_SIGKILL) { - - if (m->control_pid <= 0) - return -EBADMSG; + if (m->control_pid > 0 && + pid_is_unwaited(m->control_pid) && + IN_SET(new_state, + MOUNT_MOUNTING, + MOUNT_MOUNTING_DONE, + MOUNT_REMOUNTING, + MOUNT_UNMOUNTING, + MOUNT_MOUNTING_SIGTERM, + MOUNT_MOUNTING_SIGKILL, + MOUNT_UNMOUNTING_SIGTERM, + MOUNT_UNMOUNTING_SIGKILL, + MOUNT_REMOUNTING_SIGTERM, + MOUNT_REMOUNTING_SIGKILL)) { r = unit_watch_pid(UNIT(m), m->control_pid); if (r < 0) @@ -666,7 +677,8 @@ static void mount_dump(Unit *u, FILE *f, const char *prefix) { "%sOptions: %s\n" "%sFrom /proc/self/mountinfo: %s\n" "%sFrom fragment: %s\n" - "%sDirectoryMode: %04o\n", + "%sDirectoryMode: %04o\n" + "%sSmackFileSystemRootLabel: %s\n", prefix, mount_state_to_string(m->state), prefix, mount_result_to_string(m->result), prefix, m->where, @@ -675,7 +687,8 @@ static void mount_dump(Unit *u, FILE *f, const char *prefix) { prefix, p ? strna(p->options) : "n/a", prefix, yes_no(m->from_proc_self_mountinfo), prefix, yes_no(m->from_fragment), - prefix, m->directory_mode); + prefix, m->directory_mode, + prefix, strna(m->smack_fs_root_label)); if (m->control_pid > 0) fprintf(f, @@ -694,6 +707,9 @@ static int mount_spawn(Mount *m, ExecCommand *c, pid_t *_pid) { .apply_chroot = true, .apply_tty_stdin = true, .bus_endpoint_fd = -1, + .stdin_fd = -1, + .stdout_fd = -1, + .stderr_fd = -1, }; assert(m); @@ -849,6 +865,31 @@ fail: mount_enter_mounted(m, MOUNT_FAILURE_RESOURCES); } +static int mount_get_opts(Mount *m, char **_opts) { + int r; + char *o = NULL, *opts = NULL; + + r = fstab_filter_options(m->parameters_fragment.options, + "nofail\0" "noauto\0" "auto\0", NULL, NULL, &o); + if (r < 0) + return r; + + if (mac_smack_use() && m->smack_fs_root_label) { + if (!isempty(o)) { + opts = strjoin(o, ",", "smackfsroot=", m->smack_fs_root_label, NULL); + free(o); + } else + opts = strjoin("smackfsroot=", m->smack_fs_root_label, NULL); + + if (!opts) + return -ENOMEM; + } else + opts = o; + + *_opts = opts; + return 0; +} + static void mount_enter_mounting(Mount *m) { int r; MountParameters *p; @@ -874,8 +915,7 @@ static void mount_enter_mounting(Mount *m) { if (m->from_fragment) { _cleanup_free_ char *opts = NULL; - r = fstab_filter_options(m->parameters_fragment.options, - "nofail\0" "noauto\0" "auto\0", NULL, NULL, &opts); + r = mount_get_opts(m, &opts); if (r < 0) goto fail; @@ -1756,24 +1796,6 @@ static int mount_kill(Unit *u, KillWho who, int signo, sd_bus_error *error) { return unit_kill_common(u, who, signo, -1, MOUNT(u)->control_pid, error); } -static const char* const mount_state_table[_MOUNT_STATE_MAX] = { - [MOUNT_DEAD] = "dead", - [MOUNT_MOUNTING] = "mounting", - [MOUNT_MOUNTING_DONE] = "mounting-done", - [MOUNT_MOUNTED] = "mounted", - [MOUNT_REMOUNTING] = "remounting", - [MOUNT_UNMOUNTING] = "unmounting", - [MOUNT_MOUNTING_SIGTERM] = "mounting-sigterm", - [MOUNT_MOUNTING_SIGKILL] = "mounting-sigkill", - [MOUNT_REMOUNTING_SIGTERM] = "remounting-sigterm", - [MOUNT_REMOUNTING_SIGKILL] = "remounting-sigkill", - [MOUNT_UNMOUNTING_SIGTERM] = "unmounting-sigterm", - [MOUNT_UNMOUNTING_SIGKILL] = "unmounting-sigkill", - [MOUNT_FAILED] = "failed" -}; - -DEFINE_STRING_TABLE_LOOKUP(mount_state, MountState); - static const char* const mount_exec_command_table[_MOUNT_EXEC_COMMAND_MAX] = { [MOUNT_EXEC_MOUNT] = "ExecMount", [MOUNT_EXEC_UNMOUNT] = "ExecUnmount", |