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authorJames Morris <jmorris@namei.org>2010-05-17 18:57:00 -0400
committerJames Morris <jmorris@namei.org>2010-05-17 18:57:00 -0400
commit539c99fd7fc28f8db257c713c10fb4aceadf8887 (patch)
treee603e48ac816cde56e4872e0f7bcdfe7bd33f3b3 /kernel
parentba2e1c5f25a99dec3873745031ad23ce3fd79bff (diff)
parent4d09ec0f705cf88a12add029c058b53f288cfaa2 (diff)
Merge branch 'next' into for-linus
Diffstat (limited to 'kernel')
-rw-r--r--kernel/acct.c20
-rw-r--r--kernel/cred.c2
-rw-r--r--kernel/groups.c6
-rw-r--r--kernel/sys.c31
4 files changed, 5 insertions, 54 deletions
diff --git a/kernel/acct.c b/kernel/acct.c
index e4c0e1fee9b0..385b88461c29 100644
--- a/kernel/acct.c
+++ b/kernel/acct.c
@@ -216,7 +216,6 @@ static int acct_on(char *name)
216{ 216{
217 struct file *file; 217 struct file *file;
218 struct vfsmount *mnt; 218 struct vfsmount *mnt;
219 int error;
220 struct pid_namespace *ns; 219 struct pid_namespace *ns;
221 struct bsd_acct_struct *acct = NULL; 220 struct bsd_acct_struct *acct = NULL;
222 221
@@ -244,13 +243,6 @@ static int acct_on(char *name)
244 } 243 }
245 } 244 }
246 245
247 error = security_acct(file);
248 if (error) {
249 kfree(acct);
250 filp_close(file, NULL);
251 return error;
252 }
253
254 spin_lock(&acct_lock); 246 spin_lock(&acct_lock);
255 if (ns->bacct == NULL) { 247 if (ns->bacct == NULL) {
256 ns->bacct = acct; 248 ns->bacct = acct;
@@ -281,7 +273,7 @@ static int acct_on(char *name)
281 */ 273 */
282SYSCALL_DEFINE1(acct, const char __user *, name) 274SYSCALL_DEFINE1(acct, const char __user *, name)
283{ 275{
284 int error; 276 int error = 0;
285 277
286 if (!capable(CAP_SYS_PACCT)) 278 if (!capable(CAP_SYS_PACCT))
287 return -EPERM; 279 return -EPERM;
@@ -299,13 +291,11 @@ SYSCALL_DEFINE1(acct, const char __user *, name)
299 if (acct == NULL) 291 if (acct == NULL)
300 return 0; 292 return 0;
301 293
302 error = security_acct(NULL); 294 spin_lock(&acct_lock);
303 if (!error) { 295 acct_file_reopen(acct, NULL, NULL);
304 spin_lock(&acct_lock); 296 spin_unlock(&acct_lock);
305 acct_file_reopen(acct, NULL, NULL);
306 spin_unlock(&acct_lock);
307 }
308 } 297 }
298
309 return error; 299 return error;
310} 300}
311 301
diff --git a/kernel/cred.c b/kernel/cred.c
index 62af1816c235..31f38a99adf7 100644
--- a/kernel/cred.c
+++ b/kernel/cred.c
@@ -523,8 +523,6 @@ int commit_creds(struct cred *new)
523#endif 523#endif
524 BUG_ON(atomic_read(&new->usage) < 1); 524 BUG_ON(atomic_read(&new->usage) < 1);
525 525
526 security_commit_creds(new, old);
527
528 get_cred(new); /* we will require a ref for the subj creds too */ 526 get_cred(new); /* we will require a ref for the subj creds too */
529 527
530 /* dumpability changes */ 528 /* dumpability changes */
diff --git a/kernel/groups.c b/kernel/groups.c
index 2b45b2ee3964..53b1916c9492 100644
--- a/kernel/groups.c
+++ b/kernel/groups.c
@@ -164,12 +164,6 @@ int groups_search(const struct group_info *group_info, gid_t grp)
164 */ 164 */
165int set_groups(struct cred *new, struct group_info *group_info) 165int set_groups(struct cred *new, struct group_info *group_info)
166{ 166{
167 int retval;
168
169 retval = security_task_setgroups(group_info);
170 if (retval)
171 return retval;
172
173 put_group_info(new->group_info); 167 put_group_info(new->group_info);
174 groups_sort(group_info); 168 groups_sort(group_info);
175 get_group_info(group_info); 169 get_group_info(group_info);
diff --git a/kernel/sys.c b/kernel/sys.c
index 7cb426a58965..0d36d889c74d 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -492,10 +492,6 @@ SYSCALL_DEFINE2(setregid, gid_t, rgid, gid_t, egid)
492 return -ENOMEM; 492 return -ENOMEM;
493 old = current_cred(); 493 old = current_cred();
494 494
495 retval = security_task_setgid(rgid, egid, (gid_t)-1, LSM_SETID_RE);
496 if (retval)
497 goto error;
498
499 retval = -EPERM; 495 retval = -EPERM;
500 if (rgid != (gid_t) -1) { 496 if (rgid != (gid_t) -1) {
501 if (old->gid == rgid || 497 if (old->gid == rgid ||
@@ -543,10 +539,6 @@ SYSCALL_DEFINE1(setgid, gid_t, gid)
543 return -ENOMEM; 539 return -ENOMEM;
544 old = current_cred(); 540 old = current_cred();
545 541
546 retval = security_task_setgid(gid, (gid_t)-1, (gid_t)-1, LSM_SETID_ID);
547 if (retval)
548 goto error;
549
550 retval = -EPERM; 542 retval = -EPERM;
551 if (capable(CAP_SETGID)) 543 if (capable(CAP_SETGID))
552 new->gid = new->egid = new->sgid = new->fsgid = gid; 544 new->gid = new->egid = new->sgid = new->fsgid = gid;
@@ -610,10 +602,6 @@ SYSCALL_DEFINE2(setreuid, uid_t, ruid, uid_t, euid)
610 return -ENOMEM; 602 return -ENOMEM;
611 old = current_cred(); 603 old = current_cred();
612 604
613 retval = security_task_setuid(ruid, euid, (uid_t)-1, LSM_SETID_RE);
614 if (retval)
615 goto error;
616
617 retval = -EPERM; 605 retval = -EPERM;
618 if (ruid != (uid_t) -1) { 606 if (ruid != (uid_t) -1) {
619 new->uid = ruid; 607 new->uid = ruid;
@@ -675,10 +663,6 @@ SYSCALL_DEFINE1(setuid, uid_t, uid)
675 return -ENOMEM; 663 return -ENOMEM;
676 old = current_cred(); 664 old = current_cred();
677 665
678 retval = security_task_setuid(uid, (uid_t)-1, (uid_t)-1, LSM_SETID_ID);
679 if (retval)
680 goto error;
681
682 retval = -EPERM; 666 retval = -EPERM;
683 if (capable(CAP_SETUID)) { 667 if (capable(CAP_SETUID)) {
684 new->suid = new->uid = uid; 668 new->suid = new->uid = uid;
@@ -719,9 +703,6 @@ SYSCALL_DEFINE3(setresuid, uid_t, ruid, uid_t, euid, uid_t, suid)
719 if (!new) 703 if (!new)
720 return -ENOMEM; 704 return -ENOMEM;
721 705
722 retval = security_task_setuid(ruid, euid, suid, LSM_SETID_RES);
723 if (retval)
724 goto error;
725 old = current_cred(); 706 old = current_cred();
726 707
727 retval = -EPERM; 708 retval = -EPERM;
@@ -788,10 +769,6 @@ SYSCALL_DEFINE3(setresgid, gid_t, rgid, gid_t, egid, gid_t, sgid)
788 return -ENOMEM; 769 return -ENOMEM;
789 old = current_cred(); 770 old = current_cred();
790 771
791 retval = security_task_setgid(rgid, egid, sgid, LSM_SETID_RES);
792 if (retval)
793 goto error;
794
795 retval = -EPERM; 772 retval = -EPERM;
796 if (!capable(CAP_SETGID)) { 773 if (!capable(CAP_SETGID)) {
797 if (rgid != (gid_t) -1 && rgid != old->gid && 774 if (rgid != (gid_t) -1 && rgid != old->gid &&
@@ -851,9 +828,6 @@ SYSCALL_DEFINE1(setfsuid, uid_t, uid)
851 old = current_cred(); 828 old = current_cred();
852 old_fsuid = old->fsuid; 829 old_fsuid = old->fsuid;
853 830
854 if (security_task_setuid(uid, (uid_t)-1, (uid_t)-1, LSM_SETID_FS) < 0)
855 goto error;
856
857 if (uid == old->uid || uid == old->euid || 831 if (uid == old->uid || uid == old->euid ||
858 uid == old->suid || uid == old->fsuid || 832 uid == old->suid || uid == old->fsuid ||
859 capable(CAP_SETUID)) { 833 capable(CAP_SETUID)) {
@@ -864,7 +838,6 @@ SYSCALL_DEFINE1(setfsuid, uid_t, uid)
864 } 838 }
865 } 839 }
866 840
867error:
868 abort_creds(new); 841 abort_creds(new);
869 return old_fsuid; 842 return old_fsuid;
870 843
@@ -888,9 +861,6 @@ SYSCALL_DEFINE1(setfsgid, gid_t, gid)
888 old = current_cred(); 861 old = current_cred();
889 old_fsgid = old->fsgid; 862 old_fsgid = old->fsgid;
890 863
891 if (security_task_setgid(gid, (gid_t)-1, (gid_t)-1, LSM_SETID_FS))
892 goto error;
893
894 if (gid == old->gid || gid == old->egid || 864 if (gid == old->gid || gid == old->egid ||
895 gid == old->sgid || gid == old->fsgid || 865 gid == old->sgid || gid == old->fsgid ||
896 capable(CAP_SETGID)) { 866 capable(CAP_SETGID)) {
@@ -900,7 +870,6 @@ SYSCALL_DEFINE1(setfsgid, gid_t, gid)
900 } 870 }
901 } 871 }
902 872
903error:
904 abort_creds(new); 873 abort_creds(new);
905 return old_fsgid; 874 return old_fsgid;
906 875