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-rw-r--r--security/selinux/avc.c205
-rw-r--r--security/selinux/hooks.c174
-rw-r--r--security/selinux/include/av_perm_to_string.h1
-rw-r--r--security/selinux/include/av_permissions.h1
-rw-r--r--security/selinux/include/avc.h55
-rw-r--r--security/selinux/include/netlabel.h4
-rw-r--r--security/selinux/include/xfrm.h8
-rw-r--r--security/selinux/netlabel.c2
-rw-r--r--security/selinux/ss/services.c142
-rw-r--r--security/selinux/xfrm.c4
10 files changed, 281 insertions, 315 deletions
diff --git a/security/selinux/avc.c b/security/selinux/avc.c
index b2ab60859832..e3d19014259b 100644
--- a/security/selinux/avc.c
+++ b/security/selinux/avc.c
@@ -137,7 +137,7 @@ static inline int avc_hash(u32 ssid, u32 tsid, u16 tclass)
137 * @tclass: target security class 137 * @tclass: target security class
138 * @av: access vector 138 * @av: access vector
139 */ 139 */
140void avc_dump_av(struct audit_buffer *ab, u16 tclass, u32 av) 140static void avc_dump_av(struct audit_buffer *ab, u16 tclass, u32 av)
141{ 141{
142 const char **common_pts = NULL; 142 const char **common_pts = NULL;
143 u32 common_base = 0; 143 u32 common_base = 0;
@@ -492,23 +492,35 @@ out:
492 return node; 492 return node;
493} 493}
494 494
495static inline void avc_print_ipv6_addr(struct audit_buffer *ab, 495/**
496 struct in6_addr *addr, __be16 port, 496 * avc_audit_pre_callback - SELinux specific information
497 char *name1, char *name2) 497 * will be called by generic audit code
498 * @ab: the audit buffer
499 * @a: audit_data
500 */
501static void avc_audit_pre_callback(struct audit_buffer *ab, void *a)
498{ 502{
499 if (!ipv6_addr_any(addr)) 503 struct common_audit_data *ad = a;
500 audit_log_format(ab, " %s=%pI6", name1, addr); 504 audit_log_format(ab, "avc: %s ",
501 if (port) 505 ad->selinux_audit_data.denied ? "denied" : "granted");
502 audit_log_format(ab, " %s=%d", name2, ntohs(port)); 506 avc_dump_av(ab, ad->selinux_audit_data.tclass,
507 ad->selinux_audit_data.audited);
508 audit_log_format(ab, " for ");
503} 509}
504 510
505static inline void avc_print_ipv4_addr(struct audit_buffer *ab, __be32 addr, 511/**
506 __be16 port, char *name1, char *name2) 512 * avc_audit_post_callback - SELinux specific information
513 * will be called by generic audit code
514 * @ab: the audit buffer
515 * @a: audit_data
516 */
517static void avc_audit_post_callback(struct audit_buffer *ab, void *a)
507{ 518{
508 if (addr) 519 struct common_audit_data *ad = a;
509 audit_log_format(ab, " %s=%pI4", name1, &addr); 520 audit_log_format(ab, " ");
510 if (port) 521 avc_dump_query(ab, ad->selinux_audit_data.ssid,
511 audit_log_format(ab, " %s=%d", name2, ntohs(port)); 522 ad->selinux_audit_data.tsid,
523 ad->selinux_audit_data.tclass);
512} 524}
513 525
514/** 526/**
@@ -532,13 +544,10 @@ static inline void avc_print_ipv4_addr(struct audit_buffer *ab, __be32 addr,
532 */ 544 */
533void avc_audit(u32 ssid, u32 tsid, 545void avc_audit(u32 ssid, u32 tsid,
534 u16 tclass, u32 requested, 546 u16 tclass, u32 requested,
535 struct av_decision *avd, int result, struct avc_audit_data *a) 547 struct av_decision *avd, int result, struct common_audit_data *a)
536{ 548{
537 struct task_struct *tsk = current; 549 struct common_audit_data stack_data;
538 struct inode *inode = NULL;
539 u32 denied, audited; 550 u32 denied, audited;
540 struct audit_buffer *ab;
541
542 denied = requested & ~avd->allowed; 551 denied = requested & ~avd->allowed;
543 if (denied) { 552 if (denied) {
544 audited = denied; 553 audited = denied;
@@ -551,144 +560,20 @@ void avc_audit(u32 ssid, u32 tsid,
551 if (!(audited & avd->auditallow)) 560 if (!(audited & avd->auditallow))
552 return; 561 return;
553 } 562 }
554 563 if (!a) {
555 ab = audit_log_start(current->audit_context, GFP_ATOMIC, AUDIT_AVC); 564 a = &stack_data;
556 if (!ab) 565 memset(a, 0, sizeof(*a));
557 return; /* audit_panic has been called */ 566 a->type = LSM_AUDIT_NO_AUDIT;
558 audit_log_format(ab, "avc: %s ", denied ? "denied" : "granted");
559 avc_dump_av(ab, tclass, audited);
560 audit_log_format(ab, " for ");
561 if (a && a->tsk)
562 tsk = a->tsk;
563 if (tsk && tsk->pid) {
564 audit_log_format(ab, " pid=%d comm=", tsk->pid);
565 audit_log_untrustedstring(ab, tsk->comm);
566 } 567 }
567 if (a) { 568 a->selinux_audit_data.tclass = tclass;
568 switch (a->type) { 569 a->selinux_audit_data.requested = requested;
569 case AVC_AUDIT_DATA_IPC: 570 a->selinux_audit_data.ssid = ssid;
570 audit_log_format(ab, " key=%d", a->u.ipc_id); 571 a->selinux_audit_data.tsid = tsid;
571 break; 572 a->selinux_audit_data.audited = audited;
572 case AVC_AUDIT_DATA_CAP: 573 a->selinux_audit_data.denied = denied;
573 audit_log_format(ab, " capability=%d", a->u.cap); 574 a->lsm_pre_audit = avc_audit_pre_callback;
574 break; 575 a->lsm_post_audit = avc_audit_post_callback;
575 case AVC_AUDIT_DATA_FS: 576 common_lsm_audit(a);
576 if (a->u.fs.path.dentry) {
577 struct dentry *dentry = a->u.fs.path.dentry;
578 if (a->u.fs.path.mnt) {
579 audit_log_d_path(ab, "path=",
580 &a->u.fs.path);
581 } else {
582 audit_log_format(ab, " name=");
583 audit_log_untrustedstring(ab, dentry->d_name.name);
584 }
585 inode = dentry->d_inode;
586 } else if (a->u.fs.inode) {
587 struct dentry *dentry;
588 inode = a->u.fs.inode;
589 dentry = d_find_alias(inode);
590 if (dentry) {
591 audit_log_format(ab, " name=");
592 audit_log_untrustedstring(ab, dentry->d_name.name);
593 dput(dentry);
594 }
595 }
596 if (inode)
597 audit_log_format(ab, " dev=%s ino=%lu",
598 inode->i_sb->s_id,
599 inode->i_ino);
600 break;
601 case AVC_AUDIT_DATA_NET:
602 if (a->u.net.sk) {
603 struct sock *sk = a->u.net.sk;
604 struct unix_sock *u;
605 int len = 0;
606 char *p = NULL;
607
608 switch (sk->sk_family) {
609 case AF_INET: {
610 struct inet_sock *inet = inet_sk(sk);
611
612 avc_print_ipv4_addr(ab, inet->rcv_saddr,
613 inet->sport,
614 "laddr", "lport");
615 avc_print_ipv4_addr(ab, inet->daddr,
616 inet->dport,
617 "faddr", "fport");
618 break;
619 }
620 case AF_INET6: {
621 struct inet_sock *inet = inet_sk(sk);
622 struct ipv6_pinfo *inet6 = inet6_sk(sk);
623
624 avc_print_ipv6_addr(ab, &inet6->rcv_saddr,
625 inet->sport,
626 "laddr", "lport");
627 avc_print_ipv6_addr(ab, &inet6->daddr,
628 inet->dport,
629 "faddr", "fport");
630 break;
631 }
632 case AF_UNIX:
633 u = unix_sk(sk);
634 if (u->dentry) {
635 struct path path = {
636 .dentry = u->dentry,
637 .mnt = u->mnt
638 };
639 audit_log_d_path(ab, "path=",
640 &path);
641 break;
642 }
643 if (!u->addr)
644 break;
645 len = u->addr->len-sizeof(short);
646 p = &u->addr->name->sun_path[0];
647 audit_log_format(ab, " path=");
648 if (*p)
649 audit_log_untrustedstring(ab, p);
650 else
651 audit_log_n_hex(ab, p, len);
652 break;
653 }
654 }
655
656 switch (a->u.net.family) {
657 case AF_INET:
658 avc_print_ipv4_addr(ab, a->u.net.v4info.saddr,
659 a->u.net.sport,
660 "saddr", "src");
661 avc_print_ipv4_addr(ab, a->u.net.v4info.daddr,
662 a->u.net.dport,
663 "daddr", "dest");
664 break;
665 case AF_INET6:
666 avc_print_ipv6_addr(ab, &a->u.net.v6info.saddr,
667 a->u.net.sport,
668 "saddr", "src");
669 avc_print_ipv6_addr(ab, &a->u.net.v6info.daddr,
670 a->u.net.dport,
671 "daddr", "dest");
672 break;
673 }
674 if (a->u.net.netif > 0) {
675 struct net_device *dev;
676
677 /* NOTE: we always use init's namespace */
678 dev = dev_get_by_index(&init_net,
679 a->u.net.netif);
680 if (dev) {
681 audit_log_format(ab, " netif=%s",
682 dev->name);
683 dev_put(dev);
684 }
685 }
686 break;
687 }
688 }
689 audit_log_format(ab, " ");
690 avc_dump_query(ab, ssid, tsid, tclass);
691 audit_log_end(ab);
692} 577}
693 578
694/** 579/**
@@ -956,7 +841,7 @@ out:
956 * another -errno upon other errors. 841 * another -errno upon other errors.
957 */ 842 */
958int avc_has_perm(u32 ssid, u32 tsid, u16 tclass, 843int avc_has_perm(u32 ssid, u32 tsid, u16 tclass,
959 u32 requested, struct avc_audit_data *auditdata) 844 u32 requested, struct common_audit_data *auditdata)
960{ 845{
961 struct av_decision avd; 846 struct av_decision avd;
962 int rc; 847 int rc;
@@ -970,3 +855,9 @@ u32 avc_policy_seqno(void)
970{ 855{
971 return avc_cache.latest_notif; 856 return avc_cache.latest_notif;
972} 857}
858
859void avc_disable(void)
860{
861 if (avc_node_cachep)
862 kmem_cache_destroy(avc_node_cachep);
863}
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 8d8b69c5664e..6d0b1ccb5b99 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -1479,14 +1479,14 @@ static int task_has_capability(struct task_struct *tsk,
1479 const struct cred *cred, 1479 const struct cred *cred,
1480 int cap, int audit) 1480 int cap, int audit)
1481{ 1481{
1482 struct avc_audit_data ad; 1482 struct common_audit_data ad;
1483 struct av_decision avd; 1483 struct av_decision avd;
1484 u16 sclass; 1484 u16 sclass;
1485 u32 sid = cred_sid(cred); 1485 u32 sid = cred_sid(cred);
1486 u32 av = CAP_TO_MASK(cap); 1486 u32 av = CAP_TO_MASK(cap);
1487 int rc; 1487 int rc;
1488 1488
1489 AVC_AUDIT_DATA_INIT(&ad, CAP); 1489 COMMON_AUDIT_DATA_INIT(&ad, CAP);
1490 ad.tsk = tsk; 1490 ad.tsk = tsk;
1491 ad.u.cap = cap; 1491 ad.u.cap = cap;
1492 1492
@@ -1525,10 +1525,10 @@ static int task_has_system(struct task_struct *tsk,
1525static int inode_has_perm(const struct cred *cred, 1525static int inode_has_perm(const struct cred *cred,
1526 struct inode *inode, 1526 struct inode *inode,
1527 u32 perms, 1527 u32 perms,
1528 struct avc_audit_data *adp) 1528 struct common_audit_data *adp)
1529{ 1529{
1530 struct inode_security_struct *isec; 1530 struct inode_security_struct *isec;
1531 struct avc_audit_data ad; 1531 struct common_audit_data ad;
1532 u32 sid; 1532 u32 sid;
1533 1533
1534 if (unlikely(IS_PRIVATE(inode))) 1534 if (unlikely(IS_PRIVATE(inode)))
@@ -1539,7 +1539,7 @@ static int inode_has_perm(const struct cred *cred,
1539 1539
1540 if (!adp) { 1540 if (!adp) {
1541 adp = &ad; 1541 adp = &ad;
1542 AVC_AUDIT_DATA_INIT(&ad, FS); 1542 COMMON_AUDIT_DATA_INIT(&ad, FS);
1543 ad.u.fs.inode = inode; 1543 ad.u.fs.inode = inode;
1544 } 1544 }
1545 1545
@@ -1555,9 +1555,9 @@ static inline int dentry_has_perm(const struct cred *cred,
1555 u32 av) 1555 u32 av)
1556{ 1556{
1557 struct inode *inode = dentry->d_inode; 1557 struct inode *inode = dentry->d_inode;
1558 struct avc_audit_data ad; 1558 struct common_audit_data ad;
1559 1559
1560 AVC_AUDIT_DATA_INIT(&ad, FS); 1560 COMMON_AUDIT_DATA_INIT(&ad, FS);
1561 ad.u.fs.path.mnt = mnt; 1561 ad.u.fs.path.mnt = mnt;
1562 ad.u.fs.path.dentry = dentry; 1562 ad.u.fs.path.dentry = dentry;
1563 return inode_has_perm(cred, inode, av, &ad); 1563 return inode_has_perm(cred, inode, av, &ad);
@@ -1577,11 +1577,11 @@ static int file_has_perm(const struct cred *cred,
1577{ 1577{
1578 struct file_security_struct *fsec = file->f_security; 1578 struct file_security_struct *fsec = file->f_security;
1579 struct inode *inode = file->f_path.dentry->d_inode; 1579 struct inode *inode = file->f_path.dentry->d_inode;
1580 struct avc_audit_data ad; 1580 struct common_audit_data ad;
1581 u32 sid = cred_sid(cred); 1581 u32 sid = cred_sid(cred);
1582 int rc; 1582 int rc;
1583 1583
1584 AVC_AUDIT_DATA_INIT(&ad, FS); 1584 COMMON_AUDIT_DATA_INIT(&ad, FS);
1585 ad.u.fs.path = file->f_path; 1585 ad.u.fs.path = file->f_path;
1586 1586
1587 if (sid != fsec->sid) { 1587 if (sid != fsec->sid) {
@@ -1612,7 +1612,7 @@ static int may_create(struct inode *dir,
1612 struct inode_security_struct *dsec; 1612 struct inode_security_struct *dsec;
1613 struct superblock_security_struct *sbsec; 1613 struct superblock_security_struct *sbsec;
1614 u32 sid, newsid; 1614 u32 sid, newsid;
1615 struct avc_audit_data ad; 1615 struct common_audit_data ad;
1616 int rc; 1616 int rc;
1617 1617
1618 dsec = dir->i_security; 1618 dsec = dir->i_security;
@@ -1621,7 +1621,7 @@ static int may_create(struct inode *dir,
1621 sid = tsec->sid; 1621 sid = tsec->sid;
1622 newsid = tsec->create_sid; 1622 newsid = tsec->create_sid;
1623 1623
1624 AVC_AUDIT_DATA_INIT(&ad, FS); 1624 COMMON_AUDIT_DATA_INIT(&ad, FS);
1625 ad.u.fs.path.dentry = dentry; 1625 ad.u.fs.path.dentry = dentry;
1626 1626
1627 rc = avc_has_perm(sid, dsec->sid, SECCLASS_DIR, 1627 rc = avc_has_perm(sid, dsec->sid, SECCLASS_DIR,
@@ -1665,7 +1665,7 @@ static int may_link(struct inode *dir,
1665 1665
1666{ 1666{
1667 struct inode_security_struct *dsec, *isec; 1667 struct inode_security_struct *dsec, *isec;
1668 struct avc_audit_data ad; 1668 struct common_audit_data ad;
1669 u32 sid = current_sid(); 1669 u32 sid = current_sid();
1670 u32 av; 1670 u32 av;
1671 int rc; 1671 int rc;
@@ -1673,7 +1673,7 @@ static int may_link(struct inode *dir,
1673 dsec = dir->i_security; 1673 dsec = dir->i_security;
1674 isec = dentry->d_inode->i_security; 1674 isec = dentry->d_inode->i_security;
1675 1675
1676 AVC_AUDIT_DATA_INIT(&ad, FS); 1676 COMMON_AUDIT_DATA_INIT(&ad, FS);
1677 ad.u.fs.path.dentry = dentry; 1677 ad.u.fs.path.dentry = dentry;
1678 1678
1679 av = DIR__SEARCH; 1679 av = DIR__SEARCH;
@@ -1708,7 +1708,7 @@ static inline int may_rename(struct inode *old_dir,
1708 struct dentry *new_dentry) 1708 struct dentry *new_dentry)
1709{ 1709{
1710 struct inode_security_struct *old_dsec, *new_dsec, *old_isec, *new_isec; 1710 struct inode_security_struct *old_dsec, *new_dsec, *old_isec, *new_isec;
1711 struct avc_audit_data ad; 1711 struct common_audit_data ad;
1712 u32 sid = current_sid(); 1712 u32 sid = current_sid();
1713 u32 av; 1713 u32 av;
1714 int old_is_dir, new_is_dir; 1714 int old_is_dir, new_is_dir;
@@ -1719,7 +1719,7 @@ static inline int may_rename(struct inode *old_dir,
1719 old_is_dir = S_ISDIR(old_dentry->d_inode->i_mode); 1719 old_is_dir = S_ISDIR(old_dentry->d_inode->i_mode);
1720 new_dsec = new_dir->i_security; 1720 new_dsec = new_dir->i_security;
1721 1721
1722 AVC_AUDIT_DATA_INIT(&ad, FS); 1722 COMMON_AUDIT_DATA_INIT(&ad, FS);
1723 1723
1724 ad.u.fs.path.dentry = old_dentry; 1724 ad.u.fs.path.dentry = old_dentry;
1725 rc = avc_has_perm(sid, old_dsec->sid, SECCLASS_DIR, 1725 rc = avc_has_perm(sid, old_dsec->sid, SECCLASS_DIR,
@@ -1761,7 +1761,7 @@ static inline int may_rename(struct inode *old_dir,
1761static int superblock_has_perm(const struct cred *cred, 1761static int superblock_has_perm(const struct cred *cred,
1762 struct super_block *sb, 1762 struct super_block *sb,
1763 u32 perms, 1763 u32 perms,
1764 struct avc_audit_data *ad) 1764 struct common_audit_data *ad)
1765{ 1765{
1766 struct superblock_security_struct *sbsec; 1766 struct superblock_security_struct *sbsec;
1767 u32 sid = cred_sid(cred); 1767 u32 sid = cred_sid(cred);
@@ -1855,12 +1855,12 @@ static inline u32 open_file_to_av(struct file *file)
1855 1855
1856/* Hook functions begin here. */ 1856/* Hook functions begin here. */
1857 1857
1858static int selinux_ptrace_may_access(struct task_struct *child, 1858static int selinux_ptrace_access_check(struct task_struct *child,
1859 unsigned int mode) 1859 unsigned int mode)
1860{ 1860{
1861 int rc; 1861 int rc;
1862 1862
1863 rc = cap_ptrace_may_access(child, mode); 1863 rc = cap_ptrace_access_check(child, mode);
1864 if (rc) 1864 if (rc)
1865 return rc; 1865 return rc;
1866 1866
@@ -2101,7 +2101,7 @@ static int selinux_bprm_set_creds(struct linux_binprm *bprm)
2101 const struct task_security_struct *old_tsec; 2101 const struct task_security_struct *old_tsec;
2102 struct task_security_struct *new_tsec; 2102 struct task_security_struct *new_tsec;
2103 struct inode_security_struct *isec; 2103 struct inode_security_struct *isec;
2104 struct avc_audit_data ad; 2104 struct common_audit_data ad;
2105 struct inode *inode = bprm->file->f_path.dentry->d_inode; 2105 struct inode *inode = bprm->file->f_path.dentry->d_inode;
2106 int rc; 2106 int rc;
2107 2107
@@ -2139,7 +2139,7 @@ static int selinux_bprm_set_creds(struct linux_binprm *bprm)
2139 return rc; 2139 return rc;
2140 } 2140 }
2141 2141
2142 AVC_AUDIT_DATA_INIT(&ad, FS); 2142 COMMON_AUDIT_DATA_INIT(&ad, FS);
2143 ad.u.fs.path = bprm->file->f_path; 2143 ad.u.fs.path = bprm->file->f_path;
2144 2144
2145 if (bprm->file->f_path.mnt->mnt_flags & MNT_NOSUID) 2145 if (bprm->file->f_path.mnt->mnt_flags & MNT_NOSUID)
@@ -2232,7 +2232,7 @@ extern struct dentry *selinux_null;
2232static inline void flush_unauthorized_files(const struct cred *cred, 2232static inline void flush_unauthorized_files(const struct cred *cred,
2233 struct files_struct *files) 2233 struct files_struct *files)
2234{ 2234{
2235 struct avc_audit_data ad; 2235 struct common_audit_data ad;
2236 struct file *file, *devnull = NULL; 2236 struct file *file, *devnull = NULL;
2237 struct tty_struct *tty; 2237 struct tty_struct *tty;
2238 struct fdtable *fdt; 2238 struct fdtable *fdt;
@@ -2266,7 +2266,7 @@ static inline void flush_unauthorized_files(const struct cred *cred,
2266 2266
2267 /* Revalidate access to inherited open files. */ 2267 /* Revalidate access to inherited open files. */
2268 2268
2269 AVC_AUDIT_DATA_INIT(&ad, FS); 2269 COMMON_AUDIT_DATA_INIT(&ad, FS);
2270 2270
2271 spin_lock(&files->file_lock); 2271 spin_lock(&files->file_lock);
2272 for (;;) { 2272 for (;;) {
@@ -2515,7 +2515,7 @@ out:
2515static int selinux_sb_kern_mount(struct super_block *sb, int flags, void *data) 2515static int selinux_sb_kern_mount(struct super_block *sb, int flags, void *data)
2516{ 2516{
2517 const struct cred *cred = current_cred(); 2517 const struct cred *cred = current_cred();
2518 struct avc_audit_data ad; 2518 struct common_audit_data ad;
2519 int rc; 2519 int rc;
2520 2520
2521 rc = superblock_doinit(sb, data); 2521 rc = superblock_doinit(sb, data);
@@ -2526,7 +2526,7 @@ static int selinux_sb_kern_mount(struct super_block *sb, int flags, void *data)
2526 if (flags & MS_KERNMOUNT) 2526 if (flags & MS_KERNMOUNT)
2527 return 0; 2527 return 0;
2528 2528
2529 AVC_AUDIT_DATA_INIT(&ad, FS); 2529 COMMON_AUDIT_DATA_INIT(&ad, FS);
2530 ad.u.fs.path.dentry = sb->s_root; 2530 ad.u.fs.path.dentry = sb->s_root;
2531 return superblock_has_perm(cred, sb, FILESYSTEM__MOUNT, &ad); 2531 return superblock_has_perm(cred, sb, FILESYSTEM__MOUNT, &ad);
2532} 2532}
@@ -2534,9 +2534,9 @@ static int selinux_sb_kern_mount(struct super_block *sb, int flags, void *data)
2534static int selinux_sb_statfs(struct dentry *dentry) 2534static int selinux_sb_statfs(struct dentry *dentry)
2535{ 2535{
2536 const struct cred *cred = current_cred(); 2536 const struct cred *cred = current_cred();
2537 struct avc_audit_data ad; 2537 struct common_audit_data ad;
2538 2538
2539 AVC_AUDIT_DATA_INIT(&ad, FS); 2539 COMMON_AUDIT_DATA_INIT(&ad, FS);
2540 ad.u.fs.path.dentry = dentry->d_sb->s_root; 2540 ad.u.fs.path.dentry = dentry->d_sb->s_root;
2541 return superblock_has_perm(cred, dentry->d_sb, FILESYSTEM__GETATTR, &ad); 2541 return superblock_has_perm(cred, dentry->d_sb, FILESYSTEM__GETATTR, &ad);
2542} 2542}
@@ -2756,7 +2756,7 @@ static int selinux_inode_setxattr(struct dentry *dentry, const char *name,
2756 struct inode *inode = dentry->d_inode; 2756 struct inode *inode = dentry->d_inode;
2757 struct inode_security_struct *isec = inode->i_security; 2757 struct inode_security_struct *isec = inode->i_security;
2758 struct superblock_security_struct *sbsec; 2758 struct superblock_security_struct *sbsec;
2759 struct avc_audit_data ad; 2759 struct common_audit_data ad;
2760 u32 newsid, sid = current_sid(); 2760 u32 newsid, sid = current_sid();
2761 int rc = 0; 2761 int rc = 0;
2762 2762
@@ -2770,7 +2770,7 @@ static int selinux_inode_setxattr(struct dentry *dentry, const char *name,
2770 if (!is_owner_or_cap(inode)) 2770 if (!is_owner_or_cap(inode))
2771 return -EPERM; 2771 return -EPERM;
2772 2772
2773 AVC_AUDIT_DATA_INIT(&ad, FS); 2773 COMMON_AUDIT_DATA_INIT(&ad, FS);
2774 ad.u.fs.path.dentry = dentry; 2774 ad.u.fs.path.dentry = dentry;
2775 2775
2776 rc = avc_has_perm(sid, isec->sid, isec->sclass, 2776 rc = avc_has_perm(sid, isec->sid, isec->sclass,
@@ -2939,11 +2939,6 @@ static int selinux_revalidate_file_permission(struct file *file, int mask)
2939 const struct cred *cred = current_cred(); 2939 const struct cred *cred = current_cred();
2940 struct inode *inode = file->f_path.dentry->d_inode; 2940 struct inode *inode = file->f_path.dentry->d_inode;
2941 2941
2942 if (!mask) {
2943 /* No permission to check. Existence test. */
2944 return 0;
2945 }
2946
2947 /* file_mask_to_av won't add FILE__WRITE if MAY_APPEND is set */ 2942 /* file_mask_to_av won't add FILE__WRITE if MAY_APPEND is set */
2948 if ((file->f_flags & O_APPEND) && (mask & MAY_WRITE)) 2943 if ((file->f_flags & O_APPEND) && (mask & MAY_WRITE))
2949 mask |= MAY_APPEND; 2944 mask |= MAY_APPEND;
@@ -2954,10 +2949,20 @@ static int selinux_revalidate_file_permission(struct file *file, int mask)
2954 2949
2955static int selinux_file_permission(struct file *file, int mask) 2950static int selinux_file_permission(struct file *file, int mask)
2956{ 2951{
2952 struct inode *inode = file->f_path.dentry->d_inode;
2953 struct file_security_struct *fsec = file->f_security;
2954 struct inode_security_struct *isec = inode->i_security;
2955 u32 sid = current_sid();
2956
2957 if (!mask) 2957 if (!mask)
2958 /* No permission to check. Existence test. */ 2958 /* No permission to check. Existence test. */
2959 return 0; 2959 return 0;
2960 2960
2961 if (sid == fsec->sid && fsec->isid == isec->sid &&
2962 fsec->pseqno == avc_policy_seqno())
2963 /* No change since dentry_open check. */
2964 return 0;
2965
2961 return selinux_revalidate_file_permission(file, mask); 2966 return selinux_revalidate_file_permission(file, mask);
2962} 2967}
2963 2968
@@ -3292,6 +3297,11 @@ static int selinux_kernel_create_files_as(struct cred *new, struct inode *inode)
3292 return 0; 3297 return 0;
3293} 3298}
3294 3299
3300static int selinux_kernel_module_request(void)
3301{
3302 return task_has_system(current, SYSTEM__MODULE_REQUEST);
3303}
3304
3295static int selinux_task_setpgid(struct task_struct *p, pid_t pgid) 3305static int selinux_task_setpgid(struct task_struct *p, pid_t pgid)
3296{ 3306{
3297 return current_has_perm(p, PROCESS__SETPGID); 3307 return current_has_perm(p, PROCESS__SETPGID);
@@ -3409,7 +3419,7 @@ static void selinux_task_to_inode(struct task_struct *p,
3409 3419
3410/* Returns error only if unable to parse addresses */ 3420/* Returns error only if unable to parse addresses */
3411static int selinux_parse_skb_ipv4(struct sk_buff *skb, 3421static int selinux_parse_skb_ipv4(struct sk_buff *skb,
3412 struct avc_audit_data *ad, u8 *proto) 3422 struct common_audit_data *ad, u8 *proto)
3413{ 3423{
3414 int offset, ihlen, ret = -EINVAL; 3424 int offset, ihlen, ret = -EINVAL;
3415 struct iphdr _iph, *ih; 3425 struct iphdr _iph, *ih;
@@ -3490,7 +3500,7 @@ out:
3490 3500
3491/* Returns error only if unable to parse addresses */ 3501/* Returns error only if unable to parse addresses */
3492static int selinux_parse_skb_ipv6(struct sk_buff *skb, 3502static int selinux_parse_skb_ipv6(struct sk_buff *skb,
3493 struct avc_audit_data *ad, u8 *proto) 3503 struct common_audit_data *ad, u8 *proto)
3494{ 3504{
3495 u8 nexthdr; 3505 u8 nexthdr;
3496 int ret = -EINVAL, offset; 3506 int ret = -EINVAL, offset;
@@ -3561,7 +3571,7 @@ out:
3561 3571
3562#endif /* IPV6 */ 3572#endif /* IPV6 */
3563 3573
3564static int selinux_parse_skb(struct sk_buff *skb, struct avc_audit_data *ad, 3574static int selinux_parse_skb(struct sk_buff *skb, struct common_audit_data *ad,
3565 char **_addrp, int src, u8 *proto) 3575 char **_addrp, int src, u8 *proto)
3566{ 3576{
3567 char *addrp; 3577 char *addrp;
@@ -3643,7 +3653,7 @@ static int socket_has_perm(struct task_struct *task, struct socket *sock,
3643 u32 perms) 3653 u32 perms)
3644{ 3654{
3645 struct inode_security_struct *isec; 3655 struct inode_security_struct *isec;
3646 struct avc_audit_data ad; 3656 struct common_audit_data ad;
3647 u32 sid; 3657 u32 sid;
3648 int err = 0; 3658 int err = 0;
3649 3659
@@ -3653,7 +3663,7 @@ static int socket_has_perm(struct task_struct *task, struct socket *sock,
3653 goto out; 3663 goto out;
3654 sid = task_sid(task); 3664 sid = task_sid(task);
3655 3665
3656 AVC_AUDIT_DATA_INIT(&ad, NET); 3666 COMMON_AUDIT_DATA_INIT(&ad, NET);
3657 ad.u.net.sk = sock->sk; 3667 ad.u.net.sk = sock->sk;
3658 err = avc_has_perm(sid, isec->sid, isec->sclass, perms, &ad); 3668 err = avc_has_perm(sid, isec->sid, isec->sclass, perms, &ad);
3659 3669
@@ -3740,7 +3750,7 @@ static int selinux_socket_bind(struct socket *sock, struct sockaddr *address, in
3740 if (family == PF_INET || family == PF_INET6) { 3750 if (family == PF_INET || family == PF_INET6) {
3741 char *addrp; 3751 char *addrp;
3742 struct inode_security_struct *isec; 3752 struct inode_security_struct *isec;
3743 struct avc_audit_data ad; 3753 struct common_audit_data ad;
3744 struct sockaddr_in *addr4 = NULL; 3754 struct sockaddr_in *addr4 = NULL;
3745 struct sockaddr_in6 *addr6 = NULL; 3755 struct sockaddr_in6 *addr6 = NULL;
3746 unsigned short snum; 3756 unsigned short snum;
@@ -3769,7 +3779,7 @@ static int selinux_socket_bind(struct socket *sock, struct sockaddr *address, in
3769 snum, &sid); 3779 snum, &sid);
3770 if (err) 3780 if (err)
3771 goto out; 3781 goto out;
3772 AVC_AUDIT_DATA_INIT(&ad, NET); 3782 COMMON_AUDIT_DATA_INIT(&ad, NET);
3773 ad.u.net.sport = htons(snum); 3783 ad.u.net.sport = htons(snum);
3774 ad.u.net.family = family; 3784 ad.u.net.family = family;
3775 err = avc_has_perm(isec->sid, sid, 3785 err = avc_has_perm(isec->sid, sid,
@@ -3802,7 +3812,7 @@ static int selinux_socket_bind(struct socket *sock, struct sockaddr *address, in
3802 if (err) 3812 if (err)
3803 goto out; 3813 goto out;
3804 3814
3805 AVC_AUDIT_DATA_INIT(&ad, NET); 3815 COMMON_AUDIT_DATA_INIT(&ad, NET);
3806 ad.u.net.sport = htons(snum); 3816 ad.u.net.sport = htons(snum);
3807 ad.u.net.family = family; 3817 ad.u.net.family = family;
3808 3818
@@ -3836,7 +3846,7 @@ static int selinux_socket_connect(struct socket *sock, struct sockaddr *address,
3836 isec = SOCK_INODE(sock)->i_security; 3846 isec = SOCK_INODE(sock)->i_security;
3837 if (isec->sclass == SECCLASS_TCP_SOCKET || 3847 if (isec->sclass == SECCLASS_TCP_SOCKET ||
3838 isec->sclass == SECCLASS_DCCP_SOCKET) { 3848 isec->sclass == SECCLASS_DCCP_SOCKET) {
3839 struct avc_audit_data ad; 3849 struct common_audit_data ad;
3840 struct sockaddr_in *addr4 = NULL; 3850 struct sockaddr_in *addr4 = NULL;
3841 struct sockaddr_in6 *addr6 = NULL; 3851 struct sockaddr_in6 *addr6 = NULL;
3842 unsigned short snum; 3852 unsigned short snum;
@@ -3861,7 +3871,7 @@ static int selinux_socket_connect(struct socket *sock, struct sockaddr *address,
3861 perm = (isec->sclass == SECCLASS_TCP_SOCKET) ? 3871 perm = (isec->sclass == SECCLASS_TCP_SOCKET) ?
3862 TCP_SOCKET__NAME_CONNECT : DCCP_SOCKET__NAME_CONNECT; 3872 TCP_SOCKET__NAME_CONNECT : DCCP_SOCKET__NAME_CONNECT;
3863 3873
3864 AVC_AUDIT_DATA_INIT(&ad, NET); 3874 COMMON_AUDIT_DATA_INIT(&ad, NET);
3865 ad.u.net.dport = htons(snum); 3875 ad.u.net.dport = htons(snum);
3866 ad.u.net.family = sk->sk_family; 3876 ad.u.net.family = sk->sk_family;
3867 err = avc_has_perm(isec->sid, sid, isec->sclass, perm, &ad); 3877 err = avc_has_perm(isec->sid, sid, isec->sclass, perm, &ad);
@@ -3951,13 +3961,13 @@ static int selinux_socket_unix_stream_connect(struct socket *sock,
3951 struct sk_security_struct *ssec; 3961 struct sk_security_struct *ssec;
3952 struct inode_security_struct *isec; 3962 struct inode_security_struct *isec;
3953 struct inode_security_struct *other_isec; 3963 struct inode_security_struct *other_isec;
3954 struct avc_audit_data ad; 3964 struct common_audit_data ad;
3955 int err; 3965 int err;
3956 3966
3957 isec = SOCK_INODE(sock)->i_security; 3967 isec = SOCK_INODE(sock)->i_security;
3958 other_isec = SOCK_INODE(other)->i_security; 3968 other_isec = SOCK_INODE(other)->i_security;
3959 3969
3960 AVC_AUDIT_DATA_INIT(&ad, NET); 3970 COMMON_AUDIT_DATA_INIT(&ad, NET);
3961 ad.u.net.sk = other->sk; 3971 ad.u.net.sk = other->sk;
3962 3972
3963 err = avc_has_perm(isec->sid, other_isec->sid, 3973 err = avc_has_perm(isec->sid, other_isec->sid,
@@ -3983,13 +3993,13 @@ static int selinux_socket_unix_may_send(struct socket *sock,
3983{ 3993{
3984 struct inode_security_struct *isec; 3994 struct inode_security_struct *isec;
3985 struct inode_security_struct *other_isec; 3995 struct inode_security_struct *other_isec;
3986 struct avc_audit_data ad; 3996 struct common_audit_data ad;
3987 int err; 3997 int err;
3988 3998
3989 isec = SOCK_INODE(sock)->i_security; 3999 isec = SOCK_INODE(sock)->i_security;
3990 other_isec = SOCK_INODE(other)->i_security; 4000 other_isec = SOCK_INODE(other)->i_security;
3991 4001
3992 AVC_AUDIT_DATA_INIT(&ad, NET); 4002 COMMON_AUDIT_DATA_INIT(&ad, NET);
3993 ad.u.net.sk = other->sk; 4003 ad.u.net.sk = other->sk;
3994 4004
3995 err = avc_has_perm(isec->sid, other_isec->sid, 4005 err = avc_has_perm(isec->sid, other_isec->sid,
@@ -4002,7 +4012,7 @@ static int selinux_socket_unix_may_send(struct socket *sock,
4002 4012
4003static int selinux_inet_sys_rcv_skb(int ifindex, char *addrp, u16 family, 4013static int selinux_inet_sys_rcv_skb(int ifindex, char *addrp, u16 family,
4004 u32 peer_sid, 4014 u32 peer_sid,
4005 struct avc_audit_data *ad) 4015 struct common_audit_data *ad)
4006{ 4016{
4007 int err; 4017 int err;
4008 u32 if_sid; 4018 u32 if_sid;
@@ -4030,10 +4040,10 @@ static int selinux_sock_rcv_skb_compat(struct sock *sk, struct sk_buff *skb,
4030 struct sk_security_struct *sksec = sk->sk_security; 4040 struct sk_security_struct *sksec = sk->sk_security;
4031 u32 peer_sid; 4041 u32 peer_sid;
4032 u32 sk_sid = sksec->sid; 4042 u32 sk_sid = sksec->sid;
4033 struct avc_audit_data ad; 4043 struct common_audit_data ad;
4034 char *addrp; 4044 char *addrp;
4035 4045
4036 AVC_AUDIT_DATA_INIT(&ad, NET); 4046 COMMON_AUDIT_DATA_INIT(&ad, NET);
4037 ad.u.net.netif = skb->iif; 4047 ad.u.net.netif = skb->iif;
4038 ad.u.net.family = family; 4048 ad.u.net.family = family;
4039 err = selinux_parse_skb(skb, &ad, &addrp, 1, NULL); 4049 err = selinux_parse_skb(skb, &ad, &addrp, 1, NULL);
@@ -4071,7 +4081,7 @@ static int selinux_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
4071 struct sk_security_struct *sksec = sk->sk_security; 4081 struct sk_security_struct *sksec = sk->sk_security;
4072 u16 family = sk->sk_family; 4082 u16 family = sk->sk_family;
4073 u32 sk_sid = sksec->sid; 4083 u32 sk_sid = sksec->sid;
4074 struct avc_audit_data ad; 4084 struct common_audit_data ad;
4075 char *addrp; 4085 char *addrp;
4076 u8 secmark_active; 4086 u8 secmark_active;
4077 u8 peerlbl_active; 4087 u8 peerlbl_active;
@@ -4095,7 +4105,7 @@ static int selinux_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
4095 if (!secmark_active && !peerlbl_active) 4105 if (!secmark_active && !peerlbl_active)
4096 return 0; 4106 return 0;
4097 4107
4098 AVC_AUDIT_DATA_INIT(&ad, NET); 4108 COMMON_AUDIT_DATA_INIT(&ad, NET);
4099 ad.u.net.netif = skb->iif; 4109 ad.u.net.netif = skb->iif;
4100 ad.u.net.family = family; 4110 ad.u.net.family = family;
4101 err = selinux_parse_skb(skb, &ad, &addrp, 1, NULL); 4111 err = selinux_parse_skb(skb, &ad, &addrp, 1, NULL);
@@ -4353,7 +4363,7 @@ static unsigned int selinux_ip_forward(struct sk_buff *skb, int ifindex,
4353 int err; 4363 int err;
4354 char *addrp; 4364 char *addrp;
4355 u32 peer_sid; 4365 u32 peer_sid;
4356 struct avc_audit_data ad; 4366 struct common_audit_data ad;
4357 u8 secmark_active; 4367 u8 secmark_active;
4358 u8 netlbl_active; 4368 u8 netlbl_active;
4359 u8 peerlbl_active; 4369 u8 peerlbl_active;
@@ -4370,7 +4380,7 @@ static unsigned int selinux_ip_forward(struct sk_buff *skb, int ifindex,
4370 if (selinux_skb_peerlbl_sid(skb, family, &peer_sid) != 0) 4380 if (selinux_skb_peerlbl_sid(skb, family, &peer_sid) != 0)
4371 return NF_DROP; 4381 return NF_DROP;
4372 4382
4373 AVC_AUDIT_DATA_INIT(&ad, NET); 4383 COMMON_AUDIT_DATA_INIT(&ad, NET);
4374 ad.u.net.netif = ifindex; 4384 ad.u.net.netif = ifindex;
4375 ad.u.net.family = family; 4385 ad.u.net.family = family;
4376 if (selinux_parse_skb(skb, &ad, &addrp, 1, NULL) != 0) 4386 if (selinux_parse_skb(skb, &ad, &addrp, 1, NULL) != 0)
@@ -4458,7 +4468,7 @@ static unsigned int selinux_ip_postroute_compat(struct sk_buff *skb,
4458{ 4468{
4459 struct sock *sk = skb->sk; 4469 struct sock *sk = skb->sk;
4460 struct sk_security_struct *sksec; 4470 struct sk_security_struct *sksec;
4461 struct avc_audit_data ad; 4471 struct common_audit_data ad;
4462 char *addrp; 4472 char *addrp;
4463 u8 proto; 4473 u8 proto;
4464 4474
@@ -4466,7 +4476,7 @@ static unsigned int selinux_ip_postroute_compat(struct sk_buff *skb,
4466 return NF_ACCEPT; 4476 return NF_ACCEPT;
4467 sksec = sk->sk_security; 4477 sksec = sk->sk_security;
4468 4478
4469 AVC_AUDIT_DATA_INIT(&ad, NET); 4479 COMMON_AUDIT_DATA_INIT(&ad, NET);
4470 ad.u.net.netif = ifindex; 4480 ad.u.net.netif = ifindex;
4471 ad.u.net.family = family; 4481 ad.u.net.family = family;
4472 if (selinux_parse_skb(skb, &ad, &addrp, 0, &proto)) 4482 if (selinux_parse_skb(skb, &ad, &addrp, 0, &proto))
@@ -4490,7 +4500,7 @@ static unsigned int selinux_ip_postroute(struct sk_buff *skb, int ifindex,
4490 u32 secmark_perm; 4500 u32 secmark_perm;
4491 u32 peer_sid; 4501 u32 peer_sid;
4492 struct sock *sk; 4502 struct sock *sk;
4493 struct avc_audit_data ad; 4503 struct common_audit_data ad;
4494 char *addrp; 4504 char *addrp;
4495 u8 secmark_active; 4505 u8 secmark_active;
4496 u8 peerlbl_active; 4506 u8 peerlbl_active;
@@ -4549,7 +4559,7 @@ static unsigned int selinux_ip_postroute(struct sk_buff *skb, int ifindex,
4549 secmark_perm = PACKET__SEND; 4559 secmark_perm = PACKET__SEND;
4550 } 4560 }
4551 4561
4552 AVC_AUDIT_DATA_INIT(&ad, NET); 4562 COMMON_AUDIT_DATA_INIT(&ad, NET);
4553 ad.u.net.netif = ifindex; 4563 ad.u.net.netif = ifindex;
4554 ad.u.net.family = family; 4564 ad.u.net.family = family;
4555 if (selinux_parse_skb(skb, &ad, &addrp, 0, NULL)) 4565 if (selinux_parse_skb(skb, &ad, &addrp, 0, NULL))
@@ -4619,13 +4629,13 @@ static int selinux_netlink_send(struct sock *sk, struct sk_buff *skb)
4619static int selinux_netlink_recv(struct sk_buff *skb, int capability) 4629static int selinux_netlink_recv(struct sk_buff *skb, int capability)
4620{ 4630{
4621 int err; 4631 int err;
4622 struct avc_audit_data ad; 4632 struct common_audit_data ad;
4623 4633
4624 err = cap_netlink_recv(skb, capability); 4634 err = cap_netlink_recv(skb, capability);
4625 if (err) 4635 if (err)
4626 return err; 4636 return err;
4627 4637
4628 AVC_AUDIT_DATA_INIT(&ad, CAP); 4638 COMMON_AUDIT_DATA_INIT(&ad, CAP);
4629 ad.u.cap = capability; 4639 ad.u.cap = capability;
4630 4640
4631 return avc_has_perm(NETLINK_CB(skb).sid, NETLINK_CB(skb).sid, 4641 return avc_has_perm(NETLINK_CB(skb).sid, NETLINK_CB(skb).sid,
@@ -4684,12 +4694,12 @@ static int ipc_has_perm(struct kern_ipc_perm *ipc_perms,
4684 u32 perms) 4694 u32 perms)
4685{ 4695{
4686 struct ipc_security_struct *isec; 4696 struct ipc_security_struct *isec;
4687 struct avc_audit_data ad; 4697 struct common_audit_data ad;
4688 u32 sid = current_sid(); 4698 u32 sid = current_sid();
4689 4699
4690 isec = ipc_perms->security; 4700 isec = ipc_perms->security;
4691 4701
4692 AVC_AUDIT_DATA_INIT(&ad, IPC); 4702 COMMON_AUDIT_DATA_INIT(&ad, IPC);
4693 ad.u.ipc_id = ipc_perms->key; 4703 ad.u.ipc_id = ipc_perms->key;
4694 4704
4695 return avc_has_perm(sid, isec->sid, isec->sclass, perms, &ad); 4705 return avc_has_perm(sid, isec->sid, isec->sclass, perms, &ad);
@@ -4709,7 +4719,7 @@ static void selinux_msg_msg_free_security(struct msg_msg *msg)
4709static int selinux_msg_queue_alloc_security(struct msg_queue *msq) 4719static int selinux_msg_queue_alloc_security(struct msg_queue *msq)
4710{ 4720{
4711 struct ipc_security_struct *isec; 4721 struct ipc_security_struct *isec;
4712 struct avc_audit_data ad; 4722 struct common_audit_data ad;
4713 u32 sid = current_sid(); 4723 u32 sid = current_sid();
4714 int rc; 4724 int rc;
4715 4725
@@ -4719,7 +4729,7 @@ static int selinux_msg_queue_alloc_security(struct msg_queue *msq)
4719 4729
4720 isec = msq->q_perm.security; 4730 isec = msq->q_perm.security;
4721 4731
4722 AVC_AUDIT_DATA_INIT(&ad, IPC); 4732 COMMON_AUDIT_DATA_INIT(&ad, IPC);
4723 ad.u.ipc_id = msq->q_perm.key; 4733 ad.u.ipc_id = msq->q_perm.key;
4724 4734
4725 rc = avc_has_perm(sid, isec->sid, SECCLASS_MSGQ, 4735 rc = avc_has_perm(sid, isec->sid, SECCLASS_MSGQ,
@@ -4739,12 +4749,12 @@ static void selinux_msg_queue_free_security(struct msg_queue *msq)
4739static int selinux_msg_queue_associate(struct msg_queue *msq, int msqflg) 4749static int selinux_msg_queue_associate(struct msg_queue *msq, int msqflg)
4740{ 4750{
4741 struct ipc_security_struct *isec; 4751 struct ipc_security_struct *isec;
4742 struct avc_audit_data ad; 4752 struct common_audit_data ad;
4743 u32 sid = current_sid(); 4753 u32 sid = current_sid();
4744 4754
4745 isec = msq->q_perm.security; 4755 isec = msq->q_perm.security;
4746 4756
4747 AVC_AUDIT_DATA_INIT(&ad, IPC); 4757 COMMON_AUDIT_DATA_INIT(&ad, IPC);
4748 ad.u.ipc_id = msq->q_perm.key; 4758 ad.u.ipc_id = msq->q_perm.key;
4749 4759
4750 return avc_has_perm(sid, isec->sid, SECCLASS_MSGQ, 4760 return avc_has_perm(sid, isec->sid, SECCLASS_MSGQ,
@@ -4783,7 +4793,7 @@ static int selinux_msg_queue_msgsnd(struct msg_queue *msq, struct msg_msg *msg,
4783{ 4793{
4784 struct ipc_security_struct *isec; 4794 struct ipc_security_struct *isec;
4785 struct msg_security_struct *msec; 4795 struct msg_security_struct *msec;
4786 struct avc_audit_data ad; 4796 struct common_audit_data ad;
4787 u32 sid = current_sid(); 4797 u32 sid = current_sid();
4788 int rc; 4798 int rc;
4789 4799
@@ -4804,7 +4814,7 @@ static int selinux_msg_queue_msgsnd(struct msg_queue *msq, struct msg_msg *msg,
4804 return rc; 4814 return rc;
4805 } 4815 }
4806 4816
4807 AVC_AUDIT_DATA_INIT(&ad, IPC); 4817 COMMON_AUDIT_DATA_INIT(&ad, IPC);
4808 ad.u.ipc_id = msq->q_perm.key; 4818 ad.u.ipc_id = msq->q_perm.key;
4809 4819
4810 /* Can this process write to the queue? */ 4820 /* Can this process write to the queue? */
@@ -4828,14 +4838,14 @@ static int selinux_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
4828{ 4838{
4829 struct ipc_security_struct *isec; 4839 struct ipc_security_struct *isec;
4830 struct msg_security_struct *msec; 4840 struct msg_security_struct *msec;
4831 struct avc_audit_data ad; 4841 struct common_audit_data ad;
4832 u32 sid = task_sid(target); 4842 u32 sid = task_sid(target);
4833 int rc; 4843 int rc;
4834 4844
4835 isec = msq->q_perm.security; 4845 isec = msq->q_perm.security;
4836 msec = msg->security; 4846 msec = msg->security;
4837 4847
4838 AVC_AUDIT_DATA_INIT(&ad, IPC); 4848 COMMON_AUDIT_DATA_INIT(&ad, IPC);
4839 ad.u.ipc_id = msq->q_perm.key; 4849 ad.u.ipc_id = msq->q_perm.key;
4840 4850
4841 rc = avc_has_perm(sid, isec->sid, 4851 rc = avc_has_perm(sid, isec->sid,
@@ -4850,7 +4860,7 @@ static int selinux_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
4850static int selinux_shm_alloc_security(struct shmid_kernel *shp) 4860static int selinux_shm_alloc_security(struct shmid_kernel *shp)
4851{ 4861{
4852 struct ipc_security_struct *isec; 4862 struct ipc_security_struct *isec;
4853 struct avc_audit_data ad; 4863 struct common_audit_data ad;
4854 u32 sid = current_sid(); 4864 u32 sid = current_sid();
4855 int rc; 4865 int rc;
4856 4866
@@ -4860,7 +4870,7 @@ static int selinux_shm_alloc_security(struct shmid_kernel *shp)
4860 4870
4861 isec = shp->shm_perm.security; 4871 isec = shp->shm_perm.security;
4862 4872
4863 AVC_AUDIT_DATA_INIT(&ad, IPC); 4873 COMMON_AUDIT_DATA_INIT(&ad, IPC);
4864 ad.u.ipc_id = shp->shm_perm.key; 4874 ad.u.ipc_id = shp->shm_perm.key;
4865 4875
4866 rc = avc_has_perm(sid, isec->sid, SECCLASS_SHM, 4876 rc = avc_has_perm(sid, isec->sid, SECCLASS_SHM,
@@ -4880,12 +4890,12 @@ static void selinux_shm_free_security(struct shmid_kernel *shp)
4880static int selinux_shm_associate(struct shmid_kernel *shp, int shmflg) 4890static int selinux_shm_associate(struct shmid_kernel *shp, int shmflg)
4881{ 4891{
4882 struct ipc_security_struct *isec; 4892 struct ipc_security_struct *isec;
4883 struct avc_audit_data ad; 4893 struct common_audit_data ad;
4884 u32 sid = current_sid(); 4894 u32 sid = current_sid();
4885 4895
4886 isec = shp->shm_perm.security; 4896 isec = shp->shm_perm.security;
4887 4897
4888 AVC_AUDIT_DATA_INIT(&ad, IPC); 4898 COMMON_AUDIT_DATA_INIT(&ad, IPC);
4889 ad.u.ipc_id = shp->shm_perm.key; 4899 ad.u.ipc_id = shp->shm_perm.key;
4890 4900
4891 return avc_has_perm(sid, isec->sid, SECCLASS_SHM, 4901 return avc_has_perm(sid, isec->sid, SECCLASS_SHM,
@@ -4942,7 +4952,7 @@ static int selinux_shm_shmat(struct shmid_kernel *shp,
4942static int selinux_sem_alloc_security(struct sem_array *sma) 4952static int selinux_sem_alloc_security(struct sem_array *sma)
4943{ 4953{
4944 struct ipc_security_struct *isec; 4954 struct ipc_security_struct *isec;
4945 struct avc_audit_data ad; 4955 struct common_audit_data ad;
4946 u32 sid = current_sid(); 4956 u32 sid = current_sid();
4947 int rc; 4957 int rc;
4948 4958
@@ -4952,7 +4962,7 @@ static int selinux_sem_alloc_security(struct sem_array *sma)
4952 4962
4953 isec = sma->sem_perm.security; 4963 isec = sma->sem_perm.security;
4954 4964
4955 AVC_AUDIT_DATA_INIT(&ad, IPC); 4965 COMMON_AUDIT_DATA_INIT(&ad, IPC);
4956 ad.u.ipc_id = sma->sem_perm.key; 4966 ad.u.ipc_id = sma->sem_perm.key;
4957 4967
4958 rc = avc_has_perm(sid, isec->sid, SECCLASS_SEM, 4968 rc = avc_has_perm(sid, isec->sid, SECCLASS_SEM,
@@ -4972,12 +4982,12 @@ static void selinux_sem_free_security(struct sem_array *sma)
4972static int selinux_sem_associate(struct sem_array *sma, int semflg) 4982static int selinux_sem_associate(struct sem_array *sma, int semflg)
4973{ 4983{
4974 struct ipc_security_struct *isec; 4984 struct ipc_security_struct *isec;
4975 struct avc_audit_data ad; 4985 struct common_audit_data ad;
4976 u32 sid = current_sid(); 4986 u32 sid = current_sid();
4977 4987
4978 isec = sma->sem_perm.security; 4988 isec = sma->sem_perm.security;
4979 4989
4980 AVC_AUDIT_DATA_INIT(&ad, IPC); 4990 COMMON_AUDIT_DATA_INIT(&ad, IPC);
4981 ad.u.ipc_id = sma->sem_perm.key; 4991 ad.u.ipc_id = sma->sem_perm.key;
4982 4992
4983 return avc_has_perm(sid, isec->sid, SECCLASS_SEM, 4993 return avc_has_perm(sid, isec->sid, SECCLASS_SEM,
@@ -5195,7 +5205,7 @@ static int selinux_setprocattr(struct task_struct *p,
5195 5205
5196 /* Only allow single threaded processes to change context */ 5206 /* Only allow single threaded processes to change context */
5197 error = -EPERM; 5207 error = -EPERM;
5198 if (!is_single_threaded(p)) { 5208 if (!current_is_single_threaded()) {
5199 error = security_bounded_transition(tsec->sid, sid); 5209 error = security_bounded_transition(tsec->sid, sid);
5200 if (error) 5210 if (error)
5201 goto abort_change; 5211 goto abort_change;
@@ -5323,7 +5333,7 @@ static int selinux_key_getsecurity(struct key *key, char **_buffer)
5323static struct security_operations selinux_ops = { 5333static struct security_operations selinux_ops = {
5324 .name = "selinux", 5334 .name = "selinux",
5325 5335
5326 .ptrace_may_access = selinux_ptrace_may_access, 5336 .ptrace_access_check = selinux_ptrace_access_check,
5327 .ptrace_traceme = selinux_ptrace_traceme, 5337 .ptrace_traceme = selinux_ptrace_traceme,
5328 .capget = selinux_capget, 5338 .capget = selinux_capget,
5329 .capset = selinux_capset, 5339 .capset = selinux_capset,
@@ -5400,6 +5410,7 @@ static struct security_operations selinux_ops = {
5400 .cred_prepare = selinux_cred_prepare, 5410 .cred_prepare = selinux_cred_prepare,
5401 .kernel_act_as = selinux_kernel_act_as, 5411 .kernel_act_as = selinux_kernel_act_as,
5402 .kernel_create_files_as = selinux_kernel_create_files_as, 5412 .kernel_create_files_as = selinux_kernel_create_files_as,
5413 .kernel_module_request = selinux_kernel_module_request,
5403 .task_setpgid = selinux_task_setpgid, 5414 .task_setpgid = selinux_task_setpgid,
5404 .task_getpgid = selinux_task_getpgid, 5415 .task_getpgid = selinux_task_getpgid,
5405 .task_getsid = selinux_task_getsid, 5416 .task_getsid = selinux_task_getsid,
@@ -5691,6 +5702,9 @@ int selinux_disable(void)
5691 selinux_disabled = 1; 5702 selinux_disabled = 1;
5692 selinux_enabled = 0; 5703 selinux_enabled = 0;
5693 5704
5705 /* Try to destroy the avc node cache */
5706 avc_disable();
5707
5694 /* Reset security_ops to the secondary module, dummy or capability. */ 5708 /* Reset security_ops to the secondary module, dummy or capability. */
5695 security_ops = secondary_ops; 5709 security_ops = secondary_ops;
5696 5710
diff --git a/security/selinux/include/av_perm_to_string.h b/security/selinux/include/av_perm_to_string.h
index 31df1d7c1aee..2b683ad83d21 100644
--- a/security/selinux/include/av_perm_to_string.h
+++ b/security/selinux/include/av_perm_to_string.h
@@ -107,6 +107,7 @@
107 S_(SECCLASS_SYSTEM, SYSTEM__SYSLOG_READ, "syslog_read") 107 S_(SECCLASS_SYSTEM, SYSTEM__SYSLOG_READ, "syslog_read")
108 S_(SECCLASS_SYSTEM, SYSTEM__SYSLOG_MOD, "syslog_mod") 108 S_(SECCLASS_SYSTEM, SYSTEM__SYSLOG_MOD, "syslog_mod")
109 S_(SECCLASS_SYSTEM, SYSTEM__SYSLOG_CONSOLE, "syslog_console") 109 S_(SECCLASS_SYSTEM, SYSTEM__SYSLOG_CONSOLE, "syslog_console")
110 S_(SECCLASS_SYSTEM, SYSTEM__MODULE_REQUEST, "module_request")
110 S_(SECCLASS_CAPABILITY, CAPABILITY__CHOWN, "chown") 111 S_(SECCLASS_CAPABILITY, CAPABILITY__CHOWN, "chown")
111 S_(SECCLASS_CAPABILITY, CAPABILITY__DAC_OVERRIDE, "dac_override") 112 S_(SECCLASS_CAPABILITY, CAPABILITY__DAC_OVERRIDE, "dac_override")
112 S_(SECCLASS_CAPABILITY, CAPABILITY__DAC_READ_SEARCH, "dac_read_search") 113 S_(SECCLASS_CAPABILITY, CAPABILITY__DAC_READ_SEARCH, "dac_read_search")
diff --git a/security/selinux/include/av_permissions.h b/security/selinux/include/av_permissions.h
index d645192ee950..21c722669902 100644
--- a/security/selinux/include/av_permissions.h
+++ b/security/selinux/include/av_permissions.h
@@ -508,6 +508,7 @@
508#define SYSTEM__SYSLOG_READ 0x00000002UL 508#define SYSTEM__SYSLOG_READ 0x00000002UL
509#define SYSTEM__SYSLOG_MOD 0x00000004UL 509#define SYSTEM__SYSLOG_MOD 0x00000004UL
510#define SYSTEM__SYSLOG_CONSOLE 0x00000008UL 510#define SYSTEM__SYSLOG_CONSOLE 0x00000008UL
511#define SYSTEM__MODULE_REQUEST 0x00000010UL
511#define CAPABILITY__CHOWN 0x00000001UL 512#define CAPABILITY__CHOWN 0x00000001UL
512#define CAPABILITY__DAC_OVERRIDE 0x00000002UL 513#define CAPABILITY__DAC_OVERRIDE 0x00000002UL
513#define CAPABILITY__DAC_READ_SEARCH 0x00000004UL 514#define CAPABILITY__DAC_READ_SEARCH 0x00000004UL
diff --git a/security/selinux/include/avc.h b/security/selinux/include/avc.h
index d12ff1a9c0aa..e94e82f73818 100644
--- a/security/selinux/include/avc.h
+++ b/security/selinux/include/avc.h
@@ -13,6 +13,7 @@
13#include <linux/spinlock.h> 13#include <linux/spinlock.h>
14#include <linux/init.h> 14#include <linux/init.h>
15#include <linux/audit.h> 15#include <linux/audit.h>
16#include <linux/lsm_audit.h>
16#include <linux/in6.h> 17#include <linux/in6.h>
17#include <linux/path.h> 18#include <linux/path.h>
18#include <asm/system.h> 19#include <asm/system.h>
@@ -36,48 +37,6 @@ struct inode;
36struct sock; 37struct sock;
37struct sk_buff; 38struct sk_buff;
38 39
39/* Auxiliary data to use in generating the audit record. */
40struct avc_audit_data {
41 char type;
42#define AVC_AUDIT_DATA_FS 1
43#define AVC_AUDIT_DATA_NET 2
44#define AVC_AUDIT_DATA_CAP 3
45#define AVC_AUDIT_DATA_IPC 4
46 struct task_struct *tsk;
47 union {
48 struct {
49 struct path path;
50 struct inode *inode;
51 } fs;
52 struct {
53 int netif;
54 struct sock *sk;
55 u16 family;
56 __be16 dport;
57 __be16 sport;
58 union {
59 struct {
60 __be32 daddr;
61 __be32 saddr;
62 } v4;
63 struct {
64 struct in6_addr daddr;
65 struct in6_addr saddr;
66 } v6;
67 } fam;
68 } net;
69 int cap;
70 int ipc_id;
71 } u;
72};
73
74#define v4info fam.v4
75#define v6info fam.v6
76
77/* Initialize an AVC audit data structure. */
78#define AVC_AUDIT_DATA_INIT(_d,_t) \
79 { memset((_d), 0, sizeof(struct avc_audit_data)); (_d)->type = AVC_AUDIT_DATA_##_t; }
80
81/* 40/*
82 * AVC statistics 41 * AVC statistics
83 */ 42 */
@@ -98,7 +57,9 @@ void __init avc_init(void);
98 57
99void avc_audit(u32 ssid, u32 tsid, 58void avc_audit(u32 ssid, u32 tsid,
100 u16 tclass, u32 requested, 59 u16 tclass, u32 requested,
101 struct av_decision *avd, int result, struct avc_audit_data *auditdata); 60 struct av_decision *avd,
61 int result,
62 struct common_audit_data *a);
102 63
103#define AVC_STRICT 1 /* Ignore permissive mode. */ 64#define AVC_STRICT 1 /* Ignore permissive mode. */
104int avc_has_perm_noaudit(u32 ssid, u32 tsid, 65int avc_has_perm_noaudit(u32 ssid, u32 tsid,
@@ -108,7 +69,7 @@ int avc_has_perm_noaudit(u32 ssid, u32 tsid,
108 69
109int avc_has_perm(u32 ssid, u32 tsid, 70int avc_has_perm(u32 ssid, u32 tsid,
110 u16 tclass, u32 requested, 71 u16 tclass, u32 requested,
111 struct avc_audit_data *auditdata); 72 struct common_audit_data *auditdata);
112 73
113u32 avc_policy_seqno(void); 74u32 avc_policy_seqno(void);
114 75
@@ -127,13 +88,13 @@ int avc_add_callback(int (*callback)(u32 event, u32 ssid, u32 tsid,
127 u32 events, u32 ssid, u32 tsid, 88 u32 events, u32 ssid, u32 tsid,
128 u16 tclass, u32 perms); 89 u16 tclass, u32 perms);
129 90
130/* Shows permission in human readable form */
131void avc_dump_av(struct audit_buffer *ab, u16 tclass, u32 av);
132
133/* Exported to selinuxfs */ 91/* Exported to selinuxfs */
134int avc_get_hash_stats(char *page); 92int avc_get_hash_stats(char *page);
135extern unsigned int avc_cache_threshold; 93extern unsigned int avc_cache_threshold;
136 94
95/* Attempt to free avc node cache */
96void avc_disable(void);
97
137#ifdef CONFIG_SECURITY_SELINUX_AVC_STATS 98#ifdef CONFIG_SECURITY_SELINUX_AVC_STATS
138DECLARE_PER_CPU(struct avc_cache_stats, avc_cache_stats); 99DECLARE_PER_CPU(struct avc_cache_stats, avc_cache_stats);
139#endif 100#endif
diff --git a/security/selinux/include/netlabel.h b/security/selinux/include/netlabel.h
index b4b5b9b2f0be..8d7384280a7a 100644
--- a/security/selinux/include/netlabel.h
+++ b/security/selinux/include/netlabel.h
@@ -59,7 +59,7 @@ int selinux_netlbl_socket_post_create(struct sock *sk, u16 family);
59int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec, 59int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
60 struct sk_buff *skb, 60 struct sk_buff *skb,
61 u16 family, 61 u16 family,
62 struct avc_audit_data *ad); 62 struct common_audit_data *ad);
63int selinux_netlbl_socket_setsockopt(struct socket *sock, 63int selinux_netlbl_socket_setsockopt(struct socket *sock,
64 int level, 64 int level,
65 int optname); 65 int optname);
@@ -129,7 +129,7 @@ static inline int selinux_netlbl_socket_post_create(struct sock *sk,
129static inline int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec, 129static inline int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
130 struct sk_buff *skb, 130 struct sk_buff *skb,
131 u16 family, 131 u16 family,
132 struct avc_audit_data *ad) 132 struct common_audit_data *ad)
133{ 133{
134 return 0; 134 return 0;
135} 135}
diff --git a/security/selinux/include/xfrm.h b/security/selinux/include/xfrm.h
index 289e24b39e3e..13128f9a3e5a 100644
--- a/security/selinux/include/xfrm.h
+++ b/security/selinux/include/xfrm.h
@@ -41,9 +41,9 @@ static inline int selinux_xfrm_enabled(void)
41} 41}
42 42
43int selinux_xfrm_sock_rcv_skb(u32 sid, struct sk_buff *skb, 43int selinux_xfrm_sock_rcv_skb(u32 sid, struct sk_buff *skb,
44 struct avc_audit_data *ad); 44 struct common_audit_data *ad);
45int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb, 45int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb,
46 struct avc_audit_data *ad, u8 proto); 46 struct common_audit_data *ad, u8 proto);
47int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int ckall); 47int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int ckall);
48 48
49static inline void selinux_xfrm_notify_policyload(void) 49static inline void selinux_xfrm_notify_policyload(void)
@@ -57,13 +57,13 @@ static inline int selinux_xfrm_enabled(void)
57} 57}
58 58
59static inline int selinux_xfrm_sock_rcv_skb(u32 isec_sid, struct sk_buff *skb, 59static inline int selinux_xfrm_sock_rcv_skb(u32 isec_sid, struct sk_buff *skb,
60 struct avc_audit_data *ad) 60 struct common_audit_data *ad)
61{ 61{
62 return 0; 62 return 0;
63} 63}
64 64
65static inline int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb, 65static inline int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb,
66 struct avc_audit_data *ad, u8 proto) 66 struct common_audit_data *ad, u8 proto)
67{ 67{
68 return 0; 68 return 0;
69} 69}
diff --git a/security/selinux/netlabel.c b/security/selinux/netlabel.c
index 2e984413c7b2..e68823741ad5 100644
--- a/security/selinux/netlabel.c
+++ b/security/selinux/netlabel.c
@@ -342,7 +342,7 @@ int selinux_netlbl_socket_post_create(struct sock *sk, u16 family)
342int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec, 342int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
343 struct sk_buff *skb, 343 struct sk_buff *skb,
344 u16 family, 344 u16 family,
345 struct avc_audit_data *ad) 345 struct common_audit_data *ad)
346{ 346{
347 int rc; 347 int rc;
348 u32 nlbl_sid; 348 u32 nlbl_sid;
diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index 500e6f78e115..ff17820d35ec 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -22,6 +22,11 @@
22 * 22 *
23 * Added validation of kernel classes and permissions 23 * Added validation of kernel classes and permissions
24 * 24 *
25 * Updated: KaiGai Kohei <kaigai@ak.jp.nec.com>
26 *
27 * Added support for bounds domain and audit messaged on masked permissions
28 *
29 * Copyright (C) 2008, 2009 NEC Corporation
25 * Copyright (C) 2006, 2007 Hewlett-Packard Development Company, L.P. 30 * Copyright (C) 2006, 2007 Hewlett-Packard Development Company, L.P.
26 * Copyright (C) 2004-2006 Trusted Computer Solutions, Inc. 31 * Copyright (C) 2004-2006 Trusted Computer Solutions, Inc.
27 * Copyright (C) 2003 - 2004, 2006 Tresys Technology, LLC 32 * Copyright (C) 2003 - 2004, 2006 Tresys Technology, LLC
@@ -279,6 +284,95 @@ mls_ops:
279} 284}
280 285
281/* 286/*
287 * security_dump_masked_av - dumps masked permissions during
288 * security_compute_av due to RBAC, MLS/Constraint and Type bounds.
289 */
290static int dump_masked_av_helper(void *k, void *d, void *args)
291{
292 struct perm_datum *pdatum = d;
293 char **permission_names = args;
294
295 BUG_ON(pdatum->value < 1 || pdatum->value > 32);
296
297 permission_names[pdatum->value - 1] = (char *)k;
298
299 return 0;
300}
301
302static void security_dump_masked_av(struct context *scontext,
303 struct context *tcontext,
304 u16 tclass,
305 u32 permissions,
306 const char *reason)
307{
308 struct common_datum *common_dat;
309 struct class_datum *tclass_dat;
310 struct audit_buffer *ab;
311 char *tclass_name;
312 char *scontext_name = NULL;
313 char *tcontext_name = NULL;
314 char *permission_names[32];
315 int index, length;
316 bool need_comma = false;
317
318 if (!permissions)
319 return;
320
321 tclass_name = policydb.p_class_val_to_name[tclass - 1];
322 tclass_dat = policydb.class_val_to_struct[tclass - 1];
323 common_dat = tclass_dat->comdatum;
324
325 /* init permission_names */
326 if (common_dat &&
327 hashtab_map(common_dat->permissions.table,
328 dump_masked_av_helper, permission_names) < 0)
329 goto out;
330
331 if (hashtab_map(tclass_dat->permissions.table,
332 dump_masked_av_helper, permission_names) < 0)
333 goto out;
334
335 /* get scontext/tcontext in text form */
336 if (context_struct_to_string(scontext,
337 &scontext_name, &length) < 0)
338 goto out;
339
340 if (context_struct_to_string(tcontext,
341 &tcontext_name, &length) < 0)
342 goto out;
343
344 /* audit a message */
345 ab = audit_log_start(current->audit_context,
346 GFP_ATOMIC, AUDIT_SELINUX_ERR);
347 if (!ab)
348 goto out;
349
350 audit_log_format(ab, "op=security_compute_av reason=%s "
351 "scontext=%s tcontext=%s tclass=%s perms=",
352 reason, scontext_name, tcontext_name, tclass_name);
353
354 for (index = 0; index < 32; index++) {
355 u32 mask = (1 << index);
356
357 if ((mask & permissions) == 0)
358 continue;
359
360 audit_log_format(ab, "%s%s",
361 need_comma ? "," : "",
362 permission_names[index]
363 ? permission_names[index] : "????");
364 need_comma = true;
365 }
366 audit_log_end(ab);
367out:
368 /* release scontext/tcontext */
369 kfree(tcontext_name);
370 kfree(scontext_name);
371
372 return;
373}
374
375/*
282 * security_boundary_permission - drops violated permissions 376 * security_boundary_permission - drops violated permissions
283 * on boundary constraint. 377 * on boundary constraint.
284 */ 378 */
@@ -347,28 +441,12 @@ static void type_attribute_bounds_av(struct context *scontext,
347 } 441 }
348 442
349 if (masked) { 443 if (masked) {
350 struct audit_buffer *ab;
351 char *stype_name
352 = policydb.p_type_val_to_name[source->value - 1];
353 char *ttype_name
354 = policydb.p_type_val_to_name[target->value - 1];
355 char *tclass_name
356 = policydb.p_class_val_to_name[tclass - 1];
357
358 /* mask violated permissions */ 444 /* mask violated permissions */
359 avd->allowed &= ~masked; 445 avd->allowed &= ~masked;
360 446
361 /* notice to userspace via audit message */ 447 /* audit masked permissions */
362 ab = audit_log_start(current->audit_context, 448 security_dump_masked_av(scontext, tcontext,
363 GFP_ATOMIC, AUDIT_SELINUX_ERR); 449 tclass, masked, "bounds");
364 if (!ab)
365 return;
366
367 audit_log_format(ab, "av boundary violation: "
368 "source=%s target=%s tclass=%s",
369 stype_name, ttype_name, tclass_name);
370 avc_dump_av(ab, tclass, masked);
371 audit_log_end(ab);
372 } 450 }
373} 451}
374 452
@@ -480,7 +558,7 @@ static int context_struct_compute_av(struct context *scontext,
480 if ((constraint->permissions & (avd->allowed)) && 558 if ((constraint->permissions & (avd->allowed)) &&
481 !constraint_expr_eval(scontext, tcontext, NULL, 559 !constraint_expr_eval(scontext, tcontext, NULL,
482 constraint->expr)) { 560 constraint->expr)) {
483 avd->allowed = (avd->allowed) & ~(constraint->permissions); 561 avd->allowed &= ~(constraint->permissions);
484 } 562 }
485 constraint = constraint->next; 563 constraint = constraint->next;
486 } 564 }
@@ -499,8 +577,8 @@ static int context_struct_compute_av(struct context *scontext,
499 break; 577 break;
500 } 578 }
501 if (!ra) 579 if (!ra)
502 avd->allowed = (avd->allowed) & ~(PROCESS__TRANSITION | 580 avd->allowed &= ~(PROCESS__TRANSITION |
503 PROCESS__DYNTRANSITION); 581 PROCESS__DYNTRANSITION);
504 } 582 }
505 583
506 /* 584 /*
@@ -687,6 +765,26 @@ int security_bounded_transition(u32 old_sid, u32 new_sid)
687 } 765 }
688 index = type->bounds; 766 index = type->bounds;
689 } 767 }
768
769 if (rc) {
770 char *old_name = NULL;
771 char *new_name = NULL;
772 int length;
773
774 if (!context_struct_to_string(old_context,
775 &old_name, &length) &&
776 !context_struct_to_string(new_context,
777 &new_name, &length)) {
778 audit_log(current->audit_context,
779 GFP_ATOMIC, AUDIT_SELINUX_ERR,
780 "op=security_bounded_transition "
781 "result=denied "
782 "oldcontext=%s newcontext=%s",
783 old_name, new_name);
784 }
785 kfree(new_name);
786 kfree(old_name);
787 }
690out: 788out:
691 read_unlock(&policy_rwlock); 789 read_unlock(&policy_rwlock);
692 790
diff --git a/security/selinux/xfrm.c b/security/selinux/xfrm.c
index 72b18452e1a1..f3cb9ed731a9 100644
--- a/security/selinux/xfrm.c
+++ b/security/selinux/xfrm.c
@@ -401,7 +401,7 @@ int selinux_xfrm_state_delete(struct xfrm_state *x)
401 * gone thru the IPSec process. 401 * gone thru the IPSec process.
402 */ 402 */
403int selinux_xfrm_sock_rcv_skb(u32 isec_sid, struct sk_buff *skb, 403int selinux_xfrm_sock_rcv_skb(u32 isec_sid, struct sk_buff *skb,
404 struct avc_audit_data *ad) 404 struct common_audit_data *ad)
405{ 405{
406 int i, rc = 0; 406 int i, rc = 0;
407 struct sec_path *sp; 407 struct sec_path *sp;
@@ -442,7 +442,7 @@ int selinux_xfrm_sock_rcv_skb(u32 isec_sid, struct sk_buff *skb,
442 * checked in the selinux_xfrm_state_pol_flow_match hook above. 442 * checked in the selinux_xfrm_state_pol_flow_match hook above.
443 */ 443 */
444int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb, 444int selinux_xfrm_postroute_last(u32 isec_sid, struct sk_buff *skb,
445 struct avc_audit_data *ad, u8 proto) 445 struct common_audit_data *ad, u8 proto)
446{ 446{
447 struct dst_entry *dst; 447 struct dst_entry *dst;
448 int rc = 0; 448 int rc = 0;
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-03 08:35:17 -0500