diff options
Diffstat (limited to 'kernel/sys.c')
-rw-r--r-- | kernel/sys.c | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/kernel/sys.c b/kernel/sys.c index 2fa1ed18123c..c43b3e22bbda 100644 --- a/kernel/sys.c +++ b/kernel/sys.c | |||
@@ -28,6 +28,7 @@ | |||
28 | #include <linux/suspend.h> | 28 | #include <linux/suspend.h> |
29 | #include <linux/tty.h> | 29 | #include <linux/tty.h> |
30 | #include <linux/signal.h> | 30 | #include <linux/signal.h> |
31 | #include <linux/cn_proc.h> | ||
31 | 32 | ||
32 | #include <linux/compat.h> | 33 | #include <linux/compat.h> |
33 | #include <linux/syscalls.h> | 34 | #include <linux/syscalls.h> |
@@ -375,18 +376,21 @@ void emergency_restart(void) | |||
375 | } | 376 | } |
376 | EXPORT_SYMBOL_GPL(emergency_restart); | 377 | EXPORT_SYMBOL_GPL(emergency_restart); |
377 | 378 | ||
378 | /** | ||
379 | * kernel_restart - reboot the system | ||
380 | * | ||
381 | * Shutdown everything and perform a clean reboot. | ||
382 | * This is not safe to call in interrupt context. | ||
383 | */ | ||
384 | void kernel_restart_prepare(char *cmd) | 379 | void kernel_restart_prepare(char *cmd) |
385 | { | 380 | { |
386 | notifier_call_chain(&reboot_notifier_list, SYS_RESTART, cmd); | 381 | notifier_call_chain(&reboot_notifier_list, SYS_RESTART, cmd); |
387 | system_state = SYSTEM_RESTART; | 382 | system_state = SYSTEM_RESTART; |
388 | device_shutdown(); | 383 | device_shutdown(); |
389 | } | 384 | } |
385 | |||
386 | /** | ||
387 | * kernel_restart - reboot the system | ||
388 | * @cmd: pointer to buffer containing command to execute for restart | ||
389 | * or %NULL | ||
390 | * | ||
391 | * Shutdown everything and perform a clean reboot. | ||
392 | * This is not safe to call in interrupt context. | ||
393 | */ | ||
390 | void kernel_restart(char *cmd) | 394 | void kernel_restart(char *cmd) |
391 | { | 395 | { |
392 | kernel_restart_prepare(cmd); | 396 | kernel_restart_prepare(cmd); |
@@ -623,6 +627,7 @@ asmlinkage long sys_setregid(gid_t rgid, gid_t egid) | |||
623 | current->egid = new_egid; | 627 | current->egid = new_egid; |
624 | current->gid = new_rgid; | 628 | current->gid = new_rgid; |
625 | key_fsgid_changed(current); | 629 | key_fsgid_changed(current); |
630 | proc_id_connector(current, PROC_EVENT_GID); | ||
626 | return 0; | 631 | return 0; |
627 | } | 632 | } |
628 | 633 | ||
@@ -662,6 +667,7 @@ asmlinkage long sys_setgid(gid_t gid) | |||
662 | return -EPERM; | 667 | return -EPERM; |
663 | 668 | ||
664 | key_fsgid_changed(current); | 669 | key_fsgid_changed(current); |
670 | proc_id_connector(current, PROC_EVENT_GID); | ||
665 | return 0; | 671 | return 0; |
666 | } | 672 | } |
667 | 673 | ||
@@ -751,6 +757,7 @@ asmlinkage long sys_setreuid(uid_t ruid, uid_t euid) | |||
751 | current->fsuid = current->euid; | 757 | current->fsuid = current->euid; |
752 | 758 | ||
753 | key_fsuid_changed(current); | 759 | key_fsuid_changed(current); |
760 | proc_id_connector(current, PROC_EVENT_UID); | ||
754 | 761 | ||
755 | return security_task_post_setuid(old_ruid, old_euid, old_suid, LSM_SETID_RE); | 762 | return security_task_post_setuid(old_ruid, old_euid, old_suid, LSM_SETID_RE); |
756 | } | 763 | } |
@@ -798,6 +805,7 @@ asmlinkage long sys_setuid(uid_t uid) | |||
798 | current->suid = new_suid; | 805 | current->suid = new_suid; |
799 | 806 | ||
800 | key_fsuid_changed(current); | 807 | key_fsuid_changed(current); |
808 | proc_id_connector(current, PROC_EVENT_UID); | ||
801 | 809 | ||
802 | return security_task_post_setuid(old_ruid, old_euid, old_suid, LSM_SETID_ID); | 810 | return security_task_post_setuid(old_ruid, old_euid, old_suid, LSM_SETID_ID); |
803 | } | 811 | } |
@@ -846,6 +854,7 @@ asmlinkage long sys_setresuid(uid_t ruid, uid_t euid, uid_t suid) | |||
846 | current->suid = suid; | 854 | current->suid = suid; |
847 | 855 | ||
848 | key_fsuid_changed(current); | 856 | key_fsuid_changed(current); |
857 | proc_id_connector(current, PROC_EVENT_UID); | ||
849 | 858 | ||
850 | return security_task_post_setuid(old_ruid, old_euid, old_suid, LSM_SETID_RES); | 859 | return security_task_post_setuid(old_ruid, old_euid, old_suid, LSM_SETID_RES); |
851 | } | 860 | } |
@@ -898,6 +907,7 @@ asmlinkage long sys_setresgid(gid_t rgid, gid_t egid, gid_t sgid) | |||
898 | current->sgid = sgid; | 907 | current->sgid = sgid; |
899 | 908 | ||
900 | key_fsgid_changed(current); | 909 | key_fsgid_changed(current); |
910 | proc_id_connector(current, PROC_EVENT_GID); | ||
901 | return 0; | 911 | return 0; |
902 | } | 912 | } |
903 | 913 | ||
@@ -940,6 +950,7 @@ asmlinkage long sys_setfsuid(uid_t uid) | |||
940 | } | 950 | } |
941 | 951 | ||
942 | key_fsuid_changed(current); | 952 | key_fsuid_changed(current); |
953 | proc_id_connector(current, PROC_EVENT_UID); | ||
943 | 954 | ||
944 | security_task_post_setuid(old_fsuid, (uid_t)-1, (uid_t)-1, LSM_SETID_FS); | 955 | security_task_post_setuid(old_fsuid, (uid_t)-1, (uid_t)-1, LSM_SETID_FS); |
945 | 956 | ||
@@ -968,6 +979,7 @@ asmlinkage long sys_setfsgid(gid_t gid) | |||
968 | } | 979 | } |
969 | current->fsgid = gid; | 980 | current->fsgid = gid; |
970 | key_fsgid_changed(current); | 981 | key_fsgid_changed(current); |
982 | proc_id_connector(current, PROC_EVENT_GID); | ||
971 | } | 983 | } |
972 | return old_fsgid; | 984 | return old_fsgid; |
973 | } | 985 | } |
@@ -1485,8 +1497,6 @@ EXPORT_SYMBOL(in_egroup_p); | |||
1485 | 1497 | ||
1486 | DECLARE_RWSEM(uts_sem); | 1498 | DECLARE_RWSEM(uts_sem); |
1487 | 1499 | ||
1488 | EXPORT_SYMBOL(uts_sem); | ||
1489 | |||
1490 | asmlinkage long sys_newuname(struct new_utsname __user * name) | 1500 | asmlinkage long sys_newuname(struct new_utsname __user * name) |
1491 | { | 1501 | { |
1492 | int errno = 0; | 1502 | int errno = 0; |