diff options
Diffstat (limited to 'security/selinux/hooks.c')
-rw-r--r-- | security/selinux/hooks.c | 512 |
1 files changed, 254 insertions, 258 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index f9927f02bc3d..1bf2543ea942 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c | |||
@@ -4,22 +4,22 @@ | |||
4 | * This file contains the SELinux hook function implementations. | 4 | * This file contains the SELinux hook function implementations. |
5 | * | 5 | * |
6 | * Authors: Stephen Smalley, <sds@epoch.ncsc.mil> | 6 | * Authors: Stephen Smalley, <sds@epoch.ncsc.mil> |
7 | * Chris Vance, <cvance@nai.com> | 7 | * Chris Vance, <cvance@nai.com> |
8 | * Wayne Salamon, <wsalamon@nai.com> | 8 | * Wayne Salamon, <wsalamon@nai.com> |
9 | * James Morris <jmorris@redhat.com> | 9 | * James Morris <jmorris@redhat.com> |
10 | * | 10 | * |
11 | * Copyright (C) 2001,2002 Networks Associates Technology, Inc. | 11 | * Copyright (C) 2001,2002 Networks Associates Technology, Inc. |
12 | * Copyright (C) 2003 Red Hat, Inc., James Morris <jmorris@redhat.com> | 12 | * Copyright (C) 2003 Red Hat, Inc., James Morris <jmorris@redhat.com> |
13 | * Copyright (C) 2004-2005 Trusted Computer Solutions, Inc. | 13 | * Copyright (C) 2004-2005 Trusted Computer Solutions, Inc. |
14 | * <dgoeddel@trustedcs.com> | 14 | * <dgoeddel@trustedcs.com> |
15 | * Copyright (C) 2006, 2007 Hewlett-Packard Development Company, L.P. | 15 | * Copyright (C) 2006, 2007 Hewlett-Packard Development Company, L.P. |
16 | * Paul Moore <paul.moore@hp.com> | 16 | * Paul Moore <paul.moore@hp.com> |
17 | * Copyright (C) 2007 Hitachi Software Engineering Co., Ltd. | 17 | * Copyright (C) 2007 Hitachi Software Engineering Co., Ltd. |
18 | * Yuichi Nakamura <ynakam@hitachisoft.jp> | 18 | * Yuichi Nakamura <ynakam@hitachisoft.jp> |
19 | * | 19 | * |
20 | * This program is free software; you can redistribute it and/or modify | 20 | * This program is free software; you can redistribute it and/or modify |
21 | * it under the terms of the GNU General Public License version 2, | 21 | * it under the terms of the GNU General Public License version 2, |
22 | * as published by the Free Software Foundation. | 22 | * as published by the Free Software Foundation. |
23 | */ | 23 | */ |
24 | 24 | ||
25 | #include <linux/init.h> | 25 | #include <linux/init.h> |
@@ -99,11 +99,11 @@ extern struct security_operations *security_ops; | |||
99 | atomic_t selinux_secmark_refcount = ATOMIC_INIT(0); | 99 | atomic_t selinux_secmark_refcount = ATOMIC_INIT(0); |
100 | 100 | ||
101 | #ifdef CONFIG_SECURITY_SELINUX_DEVELOP | 101 | #ifdef CONFIG_SECURITY_SELINUX_DEVELOP |
102 | int selinux_enforcing = 0; | 102 | int selinux_enforcing; |
103 | 103 | ||
104 | static int __init enforcing_setup(char *str) | 104 | static int __init enforcing_setup(char *str) |
105 | { | 105 | { |
106 | selinux_enforcing = simple_strtol(str,NULL,0); | 106 | selinux_enforcing = simple_strtol(str, NULL, 0); |
107 | return 1; | 107 | return 1; |
108 | } | 108 | } |
109 | __setup("enforcing=", enforcing_setup); | 109 | __setup("enforcing=", enforcing_setup); |
@@ -123,13 +123,13 @@ int selinux_enabled = 1; | |||
123 | #endif | 123 | #endif |
124 | 124 | ||
125 | /* Original (dummy) security module. */ | 125 | /* Original (dummy) security module. */ |
126 | static struct security_operations *original_ops = NULL; | 126 | static struct security_operations *original_ops; |
127 | 127 | ||
128 | /* Minimal support for a secondary security module, | 128 | /* Minimal support for a secondary security module, |
129 | just to allow the use of the dummy or capability modules. | 129 | just to allow the use of the dummy or capability modules. |
130 | The owlsm module can alternatively be used as a secondary | 130 | The owlsm module can alternatively be used as a secondary |
131 | module as long as CONFIG_OWLSM_FD is not enabled. */ | 131 | module as long as CONFIG_OWLSM_FD is not enabled. */ |
132 | static struct security_operations *secondary_ops = NULL; | 132 | static struct security_operations *secondary_ops; |
133 | 133 | ||
134 | /* Lists of inode and superblock security structures initialized | 134 | /* Lists of inode and superblock security structures initialized |
135 | before the policy was loaded. */ | 135 | before the policy was loaded. */ |
@@ -575,8 +575,8 @@ static int selinux_set_mnt_opts(struct super_block *sb, | |||
575 | goto out; | 575 | goto out; |
576 | } | 576 | } |
577 | rc = -EINVAL; | 577 | rc = -EINVAL; |
578 | printk(KERN_WARNING "Unable to set superblock options before " | 578 | printk(KERN_WARNING "SELinux: Unable to set superblock options " |
579 | "the security server is initialized\n"); | 579 | "before the security server is initialized\n"); |
580 | goto out; | 580 | goto out; |
581 | } | 581 | } |
582 | 582 | ||
@@ -1054,7 +1054,7 @@ static int selinux_proc_get_sid(struct proc_dir_entry *de, | |||
1054 | int buflen, rc; | 1054 | int buflen, rc; |
1055 | char *buffer, *path, *end; | 1055 | char *buffer, *path, *end; |
1056 | 1056 | ||
1057 | buffer = (char*)__get_free_page(GFP_KERNEL); | 1057 | buffer = (char *)__get_free_page(GFP_KERNEL); |
1058 | if (!buffer) | 1058 | if (!buffer) |
1059 | return -ENOMEM; | 1059 | return -ENOMEM; |
1060 | 1060 | ||
@@ -1135,7 +1135,7 @@ static int inode_doinit_with_dentry(struct inode *inode, struct dentry *opt_dent | |||
1135 | dentry = d_find_alias(inode); | 1135 | dentry = d_find_alias(inode); |
1136 | } | 1136 | } |
1137 | if (!dentry) { | 1137 | if (!dentry) { |
1138 | printk(KERN_WARNING "%s: no dentry for dev=%s " | 1138 | printk(KERN_WARNING "SELinux: %s: no dentry for dev=%s " |
1139 | "ino=%ld\n", __func__, inode->i_sb->s_id, | 1139 | "ino=%ld\n", __func__, inode->i_sb->s_id, |
1140 | inode->i_ino); | 1140 | inode->i_ino); |
1141 | goto out_unlock; | 1141 | goto out_unlock; |
@@ -1173,7 +1173,7 @@ static int inode_doinit_with_dentry(struct inode *inode, struct dentry *opt_dent | |||
1173 | dput(dentry); | 1173 | dput(dentry); |
1174 | if (rc < 0) { | 1174 | if (rc < 0) { |
1175 | if (rc != -ENODATA) { | 1175 | if (rc != -ENODATA) { |
1176 | printk(KERN_WARNING "%s: getxattr returned " | 1176 | printk(KERN_WARNING "SELinux: %s: getxattr returned " |
1177 | "%d for dev=%s ino=%ld\n", __func__, | 1177 | "%d for dev=%s ino=%ld\n", __func__, |
1178 | -rc, inode->i_sb->s_id, inode->i_ino); | 1178 | -rc, inode->i_sb->s_id, inode->i_ino); |
1179 | kfree(context); | 1179 | kfree(context); |
@@ -1187,7 +1187,7 @@ static int inode_doinit_with_dentry(struct inode *inode, struct dentry *opt_dent | |||
1187 | sbsec->def_sid, | 1187 | sbsec->def_sid, |
1188 | GFP_NOFS); | 1188 | GFP_NOFS); |
1189 | if (rc) { | 1189 | if (rc) { |
1190 | printk(KERN_WARNING "%s: context_to_sid(%s) " | 1190 | printk(KERN_WARNING "SELinux: %s: context_to_sid(%s) " |
1191 | "returned %d for dev=%s ino=%ld\n", | 1191 | "returned %d for dev=%s ino=%ld\n", |
1192 | __func__, context, -rc, | 1192 | __func__, context, -rc, |
1193 | inode->i_sb->s_id, inode->i_ino); | 1193 | inode->i_sb->s_id, inode->i_ino); |
@@ -1305,7 +1305,7 @@ static int task_has_capability(struct task_struct *tsk, | |||
1305 | 1305 | ||
1306 | tsec = tsk->security; | 1306 | tsec = tsk->security; |
1307 | 1307 | ||
1308 | AVC_AUDIT_DATA_INIT(&ad,CAP); | 1308 | AVC_AUDIT_DATA_INIT(&ad, CAP); |
1309 | ad.tsk = tsk; | 1309 | ad.tsk = tsk; |
1310 | ad.u.cap = cap; | 1310 | ad.u.cap = cap; |
1311 | 1311 | ||
@@ -1348,7 +1348,7 @@ static int inode_has_perm(struct task_struct *tsk, | |||
1348 | struct inode_security_struct *isec; | 1348 | struct inode_security_struct *isec; |
1349 | struct avc_audit_data ad; | 1349 | struct avc_audit_data ad; |
1350 | 1350 | ||
1351 | if (unlikely (IS_PRIVATE (inode))) | 1351 | if (unlikely(IS_PRIVATE(inode))) |
1352 | return 0; | 1352 | return 0; |
1353 | 1353 | ||
1354 | tsec = tsk->security; | 1354 | tsec = tsk->security; |
@@ -1373,7 +1373,7 @@ static inline int dentry_has_perm(struct task_struct *tsk, | |||
1373 | { | 1373 | { |
1374 | struct inode *inode = dentry->d_inode; | 1374 | struct inode *inode = dentry->d_inode; |
1375 | struct avc_audit_data ad; | 1375 | struct avc_audit_data ad; |
1376 | AVC_AUDIT_DATA_INIT(&ad,FS); | 1376 | AVC_AUDIT_DATA_INIT(&ad, FS); |
1377 | ad.u.fs.path.mnt = mnt; | 1377 | ad.u.fs.path.mnt = mnt; |
1378 | ad.u.fs.path.dentry = dentry; | 1378 | ad.u.fs.path.dentry = dentry; |
1379 | return inode_has_perm(tsk, inode, av, &ad); | 1379 | return inode_has_perm(tsk, inode, av, &ad); |
@@ -1470,9 +1470,9 @@ static int may_create_key(u32 ksid, | |||
1470 | return avc_has_perm(tsec->sid, ksid, SECCLASS_KEY, KEY__CREATE, NULL); | 1470 | return avc_has_perm(tsec->sid, ksid, SECCLASS_KEY, KEY__CREATE, NULL); |
1471 | } | 1471 | } |
1472 | 1472 | ||
1473 | #define MAY_LINK 0 | 1473 | #define MAY_LINK 0 |
1474 | #define MAY_UNLINK 1 | 1474 | #define MAY_UNLINK 1 |
1475 | #define MAY_RMDIR 2 | 1475 | #define MAY_RMDIR 2 |
1476 | 1476 | ||
1477 | /* Check whether a task can link, unlink, or rmdir a file/directory. */ | 1477 | /* Check whether a task can link, unlink, or rmdir a file/directory. */ |
1478 | static int may_link(struct inode *dir, | 1478 | static int may_link(struct inode *dir, |
@@ -1510,7 +1510,8 @@ static int may_link(struct inode *dir, | |||
1510 | av = DIR__RMDIR; | 1510 | av = DIR__RMDIR; |
1511 | break; | 1511 | break; |
1512 | default: | 1512 | default: |
1513 | printk(KERN_WARNING "may_link: unrecognized kind %d\n", kind); | 1513 | printk(KERN_WARNING "SELinux: %s: unrecognized kind %d\n", |
1514 | __func__, kind); | ||
1514 | return 0; | 1515 | return 0; |
1515 | } | 1516 | } |
1516 | 1517 | ||
@@ -1640,8 +1641,8 @@ static inline u32 open_file_mask_to_av(int mode, int mask) | |||
1640 | else if (S_ISDIR(mode)) | 1641 | else if (S_ISDIR(mode)) |
1641 | av |= DIR__OPEN; | 1642 | av |= DIR__OPEN; |
1642 | else | 1643 | else |
1643 | printk(KERN_ERR "SELinux: WARNING: inside open_file_to_av " | 1644 | printk(KERN_ERR "SELinux: WARNING: inside %s with " |
1644 | "with unknown mode:%x\n", mode); | 1645 | "unknown mode:%x\n", __func__, mode); |
1645 | } | 1646 | } |
1646 | return av; | 1647 | return av; |
1647 | } | 1648 | } |
@@ -1675,7 +1676,7 @@ static int selinux_ptrace(struct task_struct *parent, struct task_struct *child) | |||
1675 | { | 1676 | { |
1676 | int rc; | 1677 | int rc; |
1677 | 1678 | ||
1678 | rc = secondary_ops->ptrace(parent,child); | 1679 | rc = secondary_ops->ptrace(parent, child); |
1679 | if (rc) | 1680 | if (rc) |
1680 | return rc; | 1681 | return rc; |
1681 | 1682 | ||
@@ -1683,7 +1684,7 @@ static int selinux_ptrace(struct task_struct *parent, struct task_struct *child) | |||
1683 | } | 1684 | } |
1684 | 1685 | ||
1685 | static int selinux_capget(struct task_struct *target, kernel_cap_t *effective, | 1686 | static int selinux_capget(struct task_struct *target, kernel_cap_t *effective, |
1686 | kernel_cap_t *inheritable, kernel_cap_t *permitted) | 1687 | kernel_cap_t *inheritable, kernel_cap_t *permitted) |
1687 | { | 1688 | { |
1688 | int error; | 1689 | int error; |
1689 | 1690 | ||
@@ -1695,7 +1696,7 @@ static int selinux_capget(struct task_struct *target, kernel_cap_t *effective, | |||
1695 | } | 1696 | } |
1696 | 1697 | ||
1697 | static int selinux_capset_check(struct task_struct *target, kernel_cap_t *effective, | 1698 | static int selinux_capset_check(struct task_struct *target, kernel_cap_t *effective, |
1698 | kernel_cap_t *inheritable, kernel_cap_t *permitted) | 1699 | kernel_cap_t *inheritable, kernel_cap_t *permitted) |
1699 | { | 1700 | { |
1700 | int error; | 1701 | int error; |
1701 | 1702 | ||
@@ -1707,7 +1708,7 @@ static int selinux_capset_check(struct task_struct *target, kernel_cap_t *effect | |||
1707 | } | 1708 | } |
1708 | 1709 | ||
1709 | static void selinux_capset_set(struct task_struct *target, kernel_cap_t *effective, | 1710 | static void selinux_capset_set(struct task_struct *target, kernel_cap_t *effective, |
1710 | kernel_cap_t *inheritable, kernel_cap_t *permitted) | 1711 | kernel_cap_t *inheritable, kernel_cap_t *permitted) |
1711 | { | 1712 | { |
1712 | secondary_ops->capset_set(target, effective, inheritable, permitted); | 1713 | secondary_ops->capset_set(target, effective, inheritable, permitted); |
1713 | } | 1714 | } |
@@ -1720,7 +1721,7 @@ static int selinux_capable(struct task_struct *tsk, int cap) | |||
1720 | if (rc) | 1721 | if (rc) |
1721 | return rc; | 1722 | return rc; |
1722 | 1723 | ||
1723 | return task_has_capability(tsk,cap); | 1724 | return task_has_capability(tsk, cap); |
1724 | } | 1725 | } |
1725 | 1726 | ||
1726 | static int selinux_sysctl_get_sid(ctl_table *table, u16 tclass, u32 *sid) | 1727 | static int selinux_sysctl_get_sid(ctl_table *table, u16 tclass, u32 *sid) |
@@ -1729,7 +1730,7 @@ static int selinux_sysctl_get_sid(ctl_table *table, u16 tclass, u32 *sid) | |||
1729 | char *buffer, *path, *end; | 1730 | char *buffer, *path, *end; |
1730 | 1731 | ||
1731 | rc = -ENOMEM; | 1732 | rc = -ENOMEM; |
1732 | buffer = (char*)__get_free_page(GFP_KERNEL); | 1733 | buffer = (char *)__get_free_page(GFP_KERNEL); |
1733 | if (!buffer) | 1734 | if (!buffer) |
1734 | goto out; | 1735 | goto out; |
1735 | 1736 | ||
@@ -1787,7 +1788,7 @@ static int selinux_sysctl(ctl_table *table, int op) | |||
1787 | 1788 | ||
1788 | /* The op values are "defined" in sysctl.c, thereby creating | 1789 | /* The op values are "defined" in sysctl.c, thereby creating |
1789 | * a bad coupling between this module and sysctl.c */ | 1790 | * a bad coupling between this module and sysctl.c */ |
1790 | if(op == 001) { | 1791 | if (op == 001) { |
1791 | error = avc_has_perm(tsec->sid, tsid, | 1792 | error = avc_has_perm(tsec->sid, tsid, |
1792 | SECCLASS_DIR, DIR__SEARCH, NULL); | 1793 | SECCLASS_DIR, DIR__SEARCH, NULL); |
1793 | } else { | 1794 | } else { |
@@ -1799,7 +1800,7 @@ static int selinux_sysctl(ctl_table *table, int op) | |||
1799 | if (av) | 1800 | if (av) |
1800 | error = avc_has_perm(tsec->sid, tsid, | 1801 | error = avc_has_perm(tsec->sid, tsid, |
1801 | SECCLASS_FILE, av, NULL); | 1802 | SECCLASS_FILE, av, NULL); |
1802 | } | 1803 | } |
1803 | 1804 | ||
1804 | return error; | 1805 | return error; |
1805 | } | 1806 | } |
@@ -1812,25 +1813,23 @@ static int selinux_quotactl(int cmds, int type, int id, struct super_block *sb) | |||
1812 | return 0; | 1813 | return 0; |
1813 | 1814 | ||
1814 | switch (cmds) { | 1815 | switch (cmds) { |
1815 | case Q_SYNC: | 1816 | case Q_SYNC: |
1816 | case Q_QUOTAON: | 1817 | case Q_QUOTAON: |
1817 | case Q_QUOTAOFF: | 1818 | case Q_QUOTAOFF: |
1818 | case Q_SETINFO: | 1819 | case Q_SETINFO: |
1819 | case Q_SETQUOTA: | 1820 | case Q_SETQUOTA: |
1820 | rc = superblock_has_perm(current, | 1821 | rc = superblock_has_perm(current, sb, FILESYSTEM__QUOTAMOD, |
1821 | sb, | 1822 | NULL); |
1822 | FILESYSTEM__QUOTAMOD, NULL); | 1823 | break; |
1823 | break; | 1824 | case Q_GETFMT: |
1824 | case Q_GETFMT: | 1825 | case Q_GETINFO: |
1825 | case Q_GETINFO: | 1826 | case Q_GETQUOTA: |
1826 | case Q_GETQUOTA: | 1827 | rc = superblock_has_perm(current, sb, FILESYSTEM__QUOTAGET, |
1827 | rc = superblock_has_perm(current, | 1828 | NULL); |
1828 | sb, | 1829 | break; |
1829 | FILESYSTEM__QUOTAGET, NULL); | 1830 | default: |
1830 | break; | 1831 | rc = 0; /* let the kernel handle invalid cmds */ |
1831 | default: | 1832 | break; |
1832 | rc = 0; /* let the kernel handle invalid cmds */ | ||
1833 | break; | ||
1834 | } | 1833 | } |
1835 | return rc; | 1834 | return rc; |
1836 | } | 1835 | } |
@@ -1849,23 +1848,23 @@ static int selinux_syslog(int type) | |||
1849 | return rc; | 1848 | return rc; |
1850 | 1849 | ||
1851 | switch (type) { | 1850 | switch (type) { |
1852 | case 3: /* Read last kernel messages */ | 1851 | case 3: /* Read last kernel messages */ |
1853 | case 10: /* Return size of the log buffer */ | 1852 | case 10: /* Return size of the log buffer */ |
1854 | rc = task_has_system(current, SYSTEM__SYSLOG_READ); | 1853 | rc = task_has_system(current, SYSTEM__SYSLOG_READ); |
1855 | break; | 1854 | break; |
1856 | case 6: /* Disable logging to console */ | 1855 | case 6: /* Disable logging to console */ |
1857 | case 7: /* Enable logging to console */ | 1856 | case 7: /* Enable logging to console */ |
1858 | case 8: /* Set level of messages printed to console */ | 1857 | case 8: /* Set level of messages printed to console */ |
1859 | rc = task_has_system(current, SYSTEM__SYSLOG_CONSOLE); | 1858 | rc = task_has_system(current, SYSTEM__SYSLOG_CONSOLE); |
1860 | break; | 1859 | break; |
1861 | case 0: /* Close log */ | 1860 | case 0: /* Close log */ |
1862 | case 1: /* Open log */ | 1861 | case 1: /* Open log */ |
1863 | case 2: /* Read from log */ | 1862 | case 2: /* Read from log */ |
1864 | case 4: /* Read/clear last kernel messages */ | 1863 | case 4: /* Read/clear last kernel messages */ |
1865 | case 5: /* Clear ring buffer */ | 1864 | case 5: /* Clear ring buffer */ |
1866 | default: | 1865 | default: |
1867 | rc = task_has_system(current, SYSTEM__SYSLOG_MOD); | 1866 | rc = task_has_system(current, SYSTEM__SYSLOG_MOD); |
1868 | break; | 1867 | break; |
1869 | } | 1868 | } |
1870 | return rc; | 1869 | return rc; |
1871 | } | 1870 | } |
@@ -1971,7 +1970,7 @@ static int selinux_bprm_set_security(struct linux_binprm *bprm) | |||
1971 | } else { | 1970 | } else { |
1972 | /* Check for a default transition on this program. */ | 1971 | /* Check for a default transition on this program. */ |
1973 | rc = security_transition_sid(tsec->sid, isec->sid, | 1972 | rc = security_transition_sid(tsec->sid, isec->sid, |
1974 | SECCLASS_PROCESS, &newsid); | 1973 | SECCLASS_PROCESS, &newsid); |
1975 | if (rc) | 1974 | if (rc) |
1976 | return rc; | 1975 | return rc; |
1977 | } | 1976 | } |
@@ -1982,7 +1981,7 @@ static int selinux_bprm_set_security(struct linux_binprm *bprm) | |||
1982 | if (bprm->file->f_path.mnt->mnt_flags & MNT_NOSUID) | 1981 | if (bprm->file->f_path.mnt->mnt_flags & MNT_NOSUID) |
1983 | newsid = tsec->sid; | 1982 | newsid = tsec->sid; |
1984 | 1983 | ||
1985 | if (tsec->sid == newsid) { | 1984 | if (tsec->sid == newsid) { |
1986 | rc = avc_has_perm(tsec->sid, isec->sid, | 1985 | rc = avc_has_perm(tsec->sid, isec->sid, |
1987 | SECCLASS_FILE, FILE__EXECUTE_NO_TRANS, &ad); | 1986 | SECCLASS_FILE, FILE__EXECUTE_NO_TRANS, &ad); |
1988 | if (rc) | 1987 | if (rc) |
@@ -2010,13 +2009,13 @@ static int selinux_bprm_set_security(struct linux_binprm *bprm) | |||
2010 | return 0; | 2009 | return 0; |
2011 | } | 2010 | } |
2012 | 2011 | ||
2013 | static int selinux_bprm_check_security (struct linux_binprm *bprm) | 2012 | static int selinux_bprm_check_security(struct linux_binprm *bprm) |
2014 | { | 2013 | { |
2015 | return secondary_ops->bprm_check_security(bprm); | 2014 | return secondary_ops->bprm_check_security(bprm); |
2016 | } | 2015 | } |
2017 | 2016 | ||
2018 | 2017 | ||
2019 | static int selinux_bprm_secureexec (struct linux_binprm *bprm) | 2018 | static int selinux_bprm_secureexec(struct linux_binprm *bprm) |
2020 | { | 2019 | { |
2021 | struct task_security_struct *tsec = current->security; | 2020 | struct task_security_struct *tsec = current->security; |
2022 | int atsecure = 0; | 2021 | int atsecure = 0; |
@@ -2043,7 +2042,7 @@ extern struct vfsmount *selinuxfs_mount; | |||
2043 | extern struct dentry *selinux_null; | 2042 | extern struct dentry *selinux_null; |
2044 | 2043 | ||
2045 | /* Derived from fs/exec.c:flush_old_files. */ | 2044 | /* Derived from fs/exec.c:flush_old_files. */ |
2046 | static inline void flush_unauthorized_files(struct files_struct * files) | 2045 | static inline void flush_unauthorized_files(struct files_struct *files) |
2047 | { | 2046 | { |
2048 | struct avc_audit_data ad; | 2047 | struct avc_audit_data ad; |
2049 | struct file *file, *devnull = NULL; | 2048 | struct file *file, *devnull = NULL; |
@@ -2078,7 +2077,7 @@ static inline void flush_unauthorized_files(struct files_struct * files) | |||
2078 | 2077 | ||
2079 | /* Revalidate access to inherited open files. */ | 2078 | /* Revalidate access to inherited open files. */ |
2080 | 2079 | ||
2081 | AVC_AUDIT_DATA_INIT(&ad,FS); | 2080 | AVC_AUDIT_DATA_INIT(&ad, FS); |
2082 | 2081 | ||
2083 | spin_lock(&files->file_lock); | 2082 | spin_lock(&files->file_lock); |
2084 | for (;;) { | 2083 | for (;;) { |
@@ -2094,7 +2093,7 @@ static inline void flush_unauthorized_files(struct files_struct * files) | |||
2094 | if (!set) | 2093 | if (!set) |
2095 | continue; | 2094 | continue; |
2096 | spin_unlock(&files->file_lock); | 2095 | spin_unlock(&files->file_lock); |
2097 | for ( ; set ; i++,set >>= 1) { | 2096 | for ( ; set ; i++, set >>= 1) { |
2098 | if (set & 1) { | 2097 | if (set & 1) { |
2099 | file = fget(i); | 2098 | file = fget(i); |
2100 | if (!file) | 2099 | if (!file) |
@@ -2251,7 +2250,7 @@ static void selinux_bprm_post_apply_creds(struct linux_binprm *bprm) | |||
2251 | for (i = 0; i < RLIM_NLIMITS; i++) { | 2250 | for (i = 0; i < RLIM_NLIMITS; i++) { |
2252 | rlim = current->signal->rlim + i; | 2251 | rlim = current->signal->rlim + i; |
2253 | initrlim = init_task.signal->rlim+i; | 2252 | initrlim = init_task.signal->rlim+i; |
2254 | rlim->rlim_cur = min(rlim->rlim_max,initrlim->rlim_cur); | 2253 | rlim->rlim_cur = min(rlim->rlim_max, initrlim->rlim_cur); |
2255 | } | 2254 | } |
2256 | if (current->signal->rlim[RLIMIT_CPU].rlim_cur != RLIM_INFINITY) { | 2255 | if (current->signal->rlim[RLIMIT_CPU].rlim_cur != RLIM_INFINITY) { |
2257 | /* | 2256 | /* |
@@ -2306,16 +2305,15 @@ static inline void take_option(char **to, char *from, int *first, int len) | |||
2306 | *to += len; | 2305 | *to += len; |
2307 | } | 2306 | } |
2308 | 2307 | ||
2309 | static inline void take_selinux_option(char **to, char *from, int *first, | 2308 | static inline void take_selinux_option(char **to, char *from, int *first, |
2310 | int len) | 2309 | int len) |
2311 | { | 2310 | { |
2312 | int current_size = 0; | 2311 | int current_size = 0; |
2313 | 2312 | ||
2314 | if (!*first) { | 2313 | if (!*first) { |
2315 | **to = '|'; | 2314 | **to = '|'; |
2316 | *to += 1; | 2315 | *to += 1; |
2317 | } | 2316 | } else |
2318 | else | ||
2319 | *first = 0; | 2317 | *first = 0; |
2320 | 2318 | ||
2321 | while (current_size < len) { | 2319 | while (current_size < len) { |
@@ -2379,7 +2377,7 @@ static int selinux_sb_kern_mount(struct super_block *sb, void *data) | |||
2379 | if (rc) | 2377 | if (rc) |
2380 | return rc; | 2378 | return rc; |
2381 | 2379 | ||
2382 | AVC_AUDIT_DATA_INIT(&ad,FS); | 2380 | AVC_AUDIT_DATA_INIT(&ad, FS); |
2383 | ad.u.fs.path.dentry = sb->s_root; | 2381 | ad.u.fs.path.dentry = sb->s_root; |
2384 | return superblock_has_perm(current, sb, FILESYSTEM__MOUNT, &ad); | 2382 | return superblock_has_perm(current, sb, FILESYSTEM__MOUNT, &ad); |
2385 | } | 2383 | } |
@@ -2388,16 +2386,16 @@ static int selinux_sb_statfs(struct dentry *dentry) | |||
2388 | { | 2386 | { |
2389 | struct avc_audit_data ad; | 2387 | struct avc_audit_data ad; |
2390 | 2388 | ||
2391 | AVC_AUDIT_DATA_INIT(&ad,FS); | 2389 | AVC_AUDIT_DATA_INIT(&ad, FS); |
2392 | ad.u.fs.path.dentry = dentry->d_sb->s_root; | 2390 | ad.u.fs.path.dentry = dentry->d_sb->s_root; |
2393 | return superblock_has_perm(current, dentry->d_sb, FILESYSTEM__GETATTR, &ad); | 2391 | return superblock_has_perm(current, dentry->d_sb, FILESYSTEM__GETATTR, &ad); |
2394 | } | 2392 | } |
2395 | 2393 | ||
2396 | static int selinux_mount(char * dev_name, | 2394 | static int selinux_mount(char *dev_name, |
2397 | struct nameidata *nd, | 2395 | struct nameidata *nd, |
2398 | char * type, | 2396 | char *type, |
2399 | unsigned long flags, | 2397 | unsigned long flags, |
2400 | void * data) | 2398 | void *data) |
2401 | { | 2399 | { |
2402 | int rc; | 2400 | int rc; |
2403 | 2401 | ||
@@ -2407,10 +2405,10 @@ static int selinux_mount(char * dev_name, | |||
2407 | 2405 | ||
2408 | if (flags & MS_REMOUNT) | 2406 | if (flags & MS_REMOUNT) |
2409 | return superblock_has_perm(current, nd->path.mnt->mnt_sb, | 2407 | return superblock_has_perm(current, nd->path.mnt->mnt_sb, |
2410 | FILESYSTEM__REMOUNT, NULL); | 2408 | FILESYSTEM__REMOUNT, NULL); |
2411 | else | 2409 | else |
2412 | return dentry_has_perm(current, nd->path.mnt, nd->path.dentry, | 2410 | return dentry_has_perm(current, nd->path.mnt, nd->path.dentry, |
2413 | FILE__MOUNTON); | 2411 | FILE__MOUNTON); |
2414 | } | 2412 | } |
2415 | 2413 | ||
2416 | static int selinux_umount(struct vfsmount *mnt, int flags) | 2414 | static int selinux_umount(struct vfsmount *mnt, int flags) |
@@ -2421,8 +2419,8 @@ static int selinux_umount(struct vfsmount *mnt, int flags) | |||
2421 | if (rc) | 2419 | if (rc) |
2422 | return rc; | 2420 | return rc; |
2423 | 2421 | ||
2424 | return superblock_has_perm(current,mnt->mnt_sb, | 2422 | return superblock_has_perm(current, mnt->mnt_sb, |
2425 | FILESYSTEM__UNMOUNT,NULL); | 2423 | FILESYSTEM__UNMOUNT, NULL); |
2426 | } | 2424 | } |
2427 | 2425 | ||
2428 | /* inode security operations */ | 2426 | /* inode security operations */ |
@@ -2508,7 +2506,7 @@ static int selinux_inode_link(struct dentry *old_dentry, struct inode *dir, stru | |||
2508 | { | 2506 | { |
2509 | int rc; | 2507 | int rc; |
2510 | 2508 | ||
2511 | rc = secondary_ops->inode_link(old_dentry,dir,new_dentry); | 2509 | rc = secondary_ops->inode_link(old_dentry, dir, new_dentry); |
2512 | if (rc) | 2510 | if (rc) |
2513 | return rc; | 2511 | return rc; |
2514 | return may_link(dir, old_dentry, MAY_LINK); | 2512 | return may_link(dir, old_dentry, MAY_LINK); |
@@ -2551,7 +2549,7 @@ static int selinux_inode_mknod(struct inode *dir, struct dentry *dentry, int mod | |||
2551 | } | 2549 | } |
2552 | 2550 | ||
2553 | static int selinux_inode_rename(struct inode *old_inode, struct dentry *old_dentry, | 2551 | static int selinux_inode_rename(struct inode *old_inode, struct dentry *old_dentry, |
2554 | struct inode *new_inode, struct dentry *new_dentry) | 2552 | struct inode *new_inode, struct dentry *new_dentry) |
2555 | { | 2553 | { |
2556 | return may_rename(old_inode, old_dentry, new_inode, new_dentry); | 2554 | return may_rename(old_inode, old_dentry, new_inode, new_dentry); |
2557 | } | 2555 | } |
@@ -2565,7 +2563,7 @@ static int selinux_inode_follow_link(struct dentry *dentry, struct nameidata *na | |||
2565 | { | 2563 | { |
2566 | int rc; | 2564 | int rc; |
2567 | 2565 | ||
2568 | rc = secondary_ops->inode_follow_link(dentry,nameidata); | 2566 | rc = secondary_ops->inode_follow_link(dentry, nameidata); |
2569 | if (rc) | 2567 | if (rc) |
2570 | return rc; | 2568 | return rc; |
2571 | return dentry_has_perm(current, NULL, dentry, FILE__READ); | 2569 | return dentry_has_perm(current, NULL, dentry, FILE__READ); |
@@ -2651,7 +2649,7 @@ static int selinux_inode_setxattr(struct dentry *dentry, char *name, void *value | |||
2651 | if (!is_owner_or_cap(inode)) | 2649 | if (!is_owner_or_cap(inode)) |
2652 | return -EPERM; | 2650 | return -EPERM; |
2653 | 2651 | ||
2654 | AVC_AUDIT_DATA_INIT(&ad,FS); | 2652 | AVC_AUDIT_DATA_INIT(&ad, FS); |
2655 | ad.u.fs.path.dentry = dentry; | 2653 | ad.u.fs.path.dentry = dentry; |
2656 | 2654 | ||
2657 | rc = avc_has_perm(tsec->sid, isec->sid, isec->sclass, | 2655 | rc = avc_has_perm(tsec->sid, isec->sid, isec->sclass, |
@@ -2669,7 +2667,7 @@ static int selinux_inode_setxattr(struct dentry *dentry, char *name, void *value | |||
2669 | return rc; | 2667 | return rc; |
2670 | 2668 | ||
2671 | rc = security_validate_transition(isec->sid, newsid, tsec->sid, | 2669 | rc = security_validate_transition(isec->sid, newsid, tsec->sid, |
2672 | isec->sclass); | 2670 | isec->sclass); |
2673 | if (rc) | 2671 | if (rc) |
2674 | return rc; | 2672 | return rc; |
2675 | 2673 | ||
@@ -2681,7 +2679,7 @@ static int selinux_inode_setxattr(struct dentry *dentry, char *name, void *value | |||
2681 | } | 2679 | } |
2682 | 2680 | ||
2683 | static void selinux_inode_post_setxattr(struct dentry *dentry, char *name, | 2681 | static void selinux_inode_post_setxattr(struct dentry *dentry, char *name, |
2684 | void *value, size_t size, int flags) | 2682 | void *value, size_t size, int flags) |
2685 | { | 2683 | { |
2686 | struct inode *inode = dentry->d_inode; | 2684 | struct inode *inode = dentry->d_inode; |
2687 | struct inode_security_struct *isec = inode->i_security; | 2685 | struct inode_security_struct *isec = inode->i_security; |
@@ -2704,17 +2702,17 @@ static void selinux_inode_post_setxattr(struct dentry *dentry, char *name, | |||
2704 | return; | 2702 | return; |
2705 | } | 2703 | } |
2706 | 2704 | ||
2707 | static int selinux_inode_getxattr (struct dentry *dentry, char *name) | 2705 | static int selinux_inode_getxattr(struct dentry *dentry, char *name) |
2708 | { | 2706 | { |
2709 | return dentry_has_perm(current, NULL, dentry, FILE__GETATTR); | 2707 | return dentry_has_perm(current, NULL, dentry, FILE__GETATTR); |
2710 | } | 2708 | } |
2711 | 2709 | ||
2712 | static int selinux_inode_listxattr (struct dentry *dentry) | 2710 | static int selinux_inode_listxattr(struct dentry *dentry) |
2713 | { | 2711 | { |
2714 | return dentry_has_perm(current, NULL, dentry, FILE__GETATTR); | 2712 | return dentry_has_perm(current, NULL, dentry, FILE__GETATTR); |
2715 | } | 2713 | } |
2716 | 2714 | ||
2717 | static int selinux_inode_removexattr (struct dentry *dentry, char *name) | 2715 | static int selinux_inode_removexattr(struct dentry *dentry, char *name) |
2718 | { | 2716 | { |
2719 | if (strcmp(name, XATTR_NAME_SELINUX)) | 2717 | if (strcmp(name, XATTR_NAME_SELINUX)) |
2720 | return selinux_inode_setotherxattr(dentry, name); | 2718 | return selinux_inode_setotherxattr(dentry, name); |
@@ -2755,7 +2753,7 @@ out_nofree: | |||
2755 | } | 2753 | } |
2756 | 2754 | ||
2757 | static int selinux_inode_setsecurity(struct inode *inode, const char *name, | 2755 | static int selinux_inode_setsecurity(struct inode *inode, const char *name, |
2758 | const void *value, size_t size, int flags) | 2756 | const void *value, size_t size, int flags) |
2759 | { | 2757 | { |
2760 | struct inode_security_struct *isec = inode->i_security; | 2758 | struct inode_security_struct *isec = inode->i_security; |
2761 | u32 newsid; | 2759 | u32 newsid; |
@@ -2767,7 +2765,7 @@ static int selinux_inode_setsecurity(struct inode *inode, const char *name, | |||
2767 | if (!value || !size) | 2765 | if (!value || !size) |
2768 | return -EACCES; | 2766 | return -EACCES; |
2769 | 2767 | ||
2770 | rc = security_context_to_sid((void*)value, size, &newsid); | 2768 | rc = security_context_to_sid((void *)value, size, &newsid); |
2771 | if (rc) | 2769 | if (rc) |
2772 | return rc; | 2770 | return rc; |
2773 | 2771 | ||
@@ -2858,42 +2856,41 @@ static int selinux_file_ioctl(struct file *file, unsigned int cmd, | |||
2858 | int error = 0; | 2856 | int error = 0; |
2859 | 2857 | ||
2860 | switch (cmd) { | 2858 | switch (cmd) { |
2861 | case FIONREAD: | 2859 | case FIONREAD: |
2862 | /* fall through */ | 2860 | /* fall through */ |
2863 | case FIBMAP: | 2861 | case FIBMAP: |
2864 | /* fall through */ | 2862 | /* fall through */ |
2865 | case FIGETBSZ: | 2863 | case FIGETBSZ: |
2866 | /* fall through */ | 2864 | /* fall through */ |
2867 | case EXT2_IOC_GETFLAGS: | 2865 | case EXT2_IOC_GETFLAGS: |
2868 | /* fall through */ | 2866 | /* fall through */ |
2869 | case EXT2_IOC_GETVERSION: | 2867 | case EXT2_IOC_GETVERSION: |
2870 | error = file_has_perm(current, file, FILE__GETATTR); | 2868 | error = file_has_perm(current, file, FILE__GETATTR); |
2871 | break; | 2869 | break; |
2872 | |||
2873 | case EXT2_IOC_SETFLAGS: | ||
2874 | /* fall through */ | ||
2875 | case EXT2_IOC_SETVERSION: | ||
2876 | error = file_has_perm(current, file, FILE__SETATTR); | ||
2877 | break; | ||
2878 | 2870 | ||
2879 | /* sys_ioctl() checks */ | 2871 | case EXT2_IOC_SETFLAGS: |
2880 | case FIONBIO: | 2872 | /* fall through */ |
2881 | /* fall through */ | 2873 | case EXT2_IOC_SETVERSION: |
2882 | case FIOASYNC: | 2874 | error = file_has_perm(current, file, FILE__SETATTR); |
2883 | error = file_has_perm(current, file, 0); | 2875 | break; |
2884 | break; | ||
2885 | 2876 | ||
2886 | case KDSKBENT: | 2877 | /* sys_ioctl() checks */ |
2887 | case KDSKBSENT: | 2878 | case FIONBIO: |
2888 | error = task_has_capability(current,CAP_SYS_TTY_CONFIG); | 2879 | /* fall through */ |
2889 | break; | 2880 | case FIOASYNC: |
2881 | error = file_has_perm(current, file, 0); | ||
2882 | break; | ||
2890 | 2883 | ||
2891 | /* default case assumes that the command will go | 2884 | case KDSKBENT: |
2892 | * to the file's ioctl() function. | 2885 | case KDSKBSENT: |
2893 | */ | 2886 | error = task_has_capability(current, CAP_SYS_TTY_CONFIG); |
2894 | default: | 2887 | break; |
2895 | error = file_has_perm(current, file, FILE__IOCTL); | ||
2896 | 2888 | ||
2889 | /* default case assumes that the command will go | ||
2890 | * to the file's ioctl() function. | ||
2891 | */ | ||
2892 | default: | ||
2893 | error = file_has_perm(current, file, FILE__IOCTL); | ||
2897 | } | 2894 | } |
2898 | return error; | 2895 | return error; |
2899 | } | 2896 | } |
@@ -2934,7 +2931,7 @@ static int selinux_file_mmap(struct file *file, unsigned long reqprot, | |||
2934 | unsigned long addr, unsigned long addr_only) | 2931 | unsigned long addr, unsigned long addr_only) |
2935 | { | 2932 | { |
2936 | int rc = 0; | 2933 | int rc = 0; |
2937 | u32 sid = ((struct task_security_struct*)(current->security))->sid; | 2934 | u32 sid = ((struct task_security_struct *)(current->security))->sid; |
2938 | 2935 | ||
2939 | if (addr < mmap_min_addr) | 2936 | if (addr < mmap_min_addr) |
2940 | rc = avc_has_perm(sid, sid, SECCLASS_MEMPROTECT, | 2937 | rc = avc_has_perm(sid, sid, SECCLASS_MEMPROTECT, |
@@ -3003,39 +3000,39 @@ static int selinux_file_fcntl(struct file *file, unsigned int cmd, | |||
3003 | int err = 0; | 3000 | int err = 0; |
3004 | 3001 | ||
3005 | switch (cmd) { | 3002 | switch (cmd) { |
3006 | case F_SETFL: | 3003 | case F_SETFL: |
3007 | if (!file->f_path.dentry || !file->f_path.dentry->d_inode) { | 3004 | if (!file->f_path.dentry || !file->f_path.dentry->d_inode) { |
3008 | err = -EINVAL; | 3005 | err = -EINVAL; |
3009 | break; | 3006 | break; |
3010 | } | 3007 | } |
3011 | 3008 | ||
3012 | if ((file->f_flags & O_APPEND) && !(arg & O_APPEND)) { | 3009 | if ((file->f_flags & O_APPEND) && !(arg & O_APPEND)) { |
3013 | err = file_has_perm(current, file,FILE__WRITE); | 3010 | err = file_has_perm(current, file, FILE__WRITE); |
3014 | break; | ||
3015 | } | ||
3016 | /* fall through */ | ||
3017 | case F_SETOWN: | ||
3018 | case F_SETSIG: | ||
3019 | case F_GETFL: | ||
3020 | case F_GETOWN: | ||
3021 | case F_GETSIG: | ||
3022 | /* Just check FD__USE permission */ | ||
3023 | err = file_has_perm(current, file, 0); | ||
3024 | break; | 3011 | break; |
3025 | case F_GETLK: | 3012 | } |
3026 | case F_SETLK: | 3013 | /* fall through */ |
3027 | case F_SETLKW: | 3014 | case F_SETOWN: |
3015 | case F_SETSIG: | ||
3016 | case F_GETFL: | ||
3017 | case F_GETOWN: | ||
3018 | case F_GETSIG: | ||
3019 | /* Just check FD__USE permission */ | ||
3020 | err = file_has_perm(current, file, 0); | ||
3021 | break; | ||
3022 | case F_GETLK: | ||
3023 | case F_SETLK: | ||
3024 | case F_SETLKW: | ||
3028 | #if BITS_PER_LONG == 32 | 3025 | #if BITS_PER_LONG == 32 |
3029 | case F_GETLK64: | 3026 | case F_GETLK64: |
3030 | case F_SETLK64: | 3027 | case F_SETLK64: |
3031 | case F_SETLKW64: | 3028 | case F_SETLKW64: |
3032 | #endif | 3029 | #endif |
3033 | if (!file->f_path.dentry || !file->f_path.dentry->d_inode) { | 3030 | if (!file->f_path.dentry || !file->f_path.dentry->d_inode) { |
3034 | err = -EINVAL; | 3031 | err = -EINVAL; |
3035 | break; | ||
3036 | } | ||
3037 | err = file_has_perm(current, file, FILE__LOCK); | ||
3038 | break; | 3032 | break; |
3033 | } | ||
3034 | err = file_has_perm(current, file, FILE__LOCK); | ||
3035 | break; | ||
3039 | } | 3036 | } |
3040 | 3037 | ||
3041 | return err; | 3038 | return err; |
@@ -3056,13 +3053,13 @@ static int selinux_file_set_fowner(struct file *file) | |||
3056 | static int selinux_file_send_sigiotask(struct task_struct *tsk, | 3053 | static int selinux_file_send_sigiotask(struct task_struct *tsk, |
3057 | struct fown_struct *fown, int signum) | 3054 | struct fown_struct *fown, int signum) |
3058 | { | 3055 | { |
3059 | struct file *file; | 3056 | struct file *file; |
3060 | u32 perm; | 3057 | u32 perm; |
3061 | struct task_security_struct *tsec; | 3058 | struct task_security_struct *tsec; |
3062 | struct file_security_struct *fsec; | 3059 | struct file_security_struct *fsec; |
3063 | 3060 | ||
3064 | /* struct fown_struct is never outside the context of a struct file */ | 3061 | /* struct fown_struct is never outside the context of a struct file */ |
3065 | file = container_of(fown, struct file, f_owner); | 3062 | file = container_of(fown, struct file, f_owner); |
3066 | 3063 | ||
3067 | tsec = tsk->security; | 3064 | tsec = tsk->security; |
3068 | fsec = file->f_security; | 3065 | fsec = file->f_security; |
@@ -3164,7 +3161,7 @@ static int selinux_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags) | |||
3164 | 3161 | ||
3165 | static int selinux_task_post_setuid(uid_t id0, uid_t id1, uid_t id2, int flags) | 3162 | static int selinux_task_post_setuid(uid_t id0, uid_t id1, uid_t id2, int flags) |
3166 | { | 3163 | { |
3167 | return secondary_ops->task_post_setuid(id0,id1,id2,flags); | 3164 | return secondary_ops->task_post_setuid(id0, id1, id2, flags); |
3168 | } | 3165 | } |
3169 | 3166 | ||
3170 | static int selinux_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags) | 3167 | static int selinux_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags) |
@@ -3208,7 +3205,7 @@ static int selinux_task_setnice(struct task_struct *p, int nice) | |||
3208 | if (rc) | 3205 | if (rc) |
3209 | return rc; | 3206 | return rc; |
3210 | 3207 | ||
3211 | return task_has_perm(current,p, PROCESS__SETSCHED); | 3208 | return task_has_perm(current, p, PROCESS__SETSCHED); |
3212 | } | 3209 | } |
3213 | 3210 | ||
3214 | static int selinux_task_setioprio(struct task_struct *p, int ioprio) | 3211 | static int selinux_task_setioprio(struct task_struct *p, int ioprio) |
@@ -3312,7 +3309,7 @@ static int selinux_task_wait(struct task_struct *p) | |||
3312 | 3309 | ||
3313 | static void selinux_task_reparent_to_init(struct task_struct *p) | 3310 | static void selinux_task_reparent_to_init(struct task_struct *p) |
3314 | { | 3311 | { |
3315 | struct task_security_struct *tsec; | 3312 | struct task_security_struct *tsec; |
3316 | 3313 | ||
3317 | secondary_ops->task_reparent_to_init(p); | 3314 | secondary_ops->task_reparent_to_init(p); |
3318 | 3315 | ||
@@ -3357,11 +3354,11 @@ static int selinux_parse_skb_ipv4(struct sk_buff *skb, | |||
3357 | *proto = ih->protocol; | 3354 | *proto = ih->protocol; |
3358 | 3355 | ||
3359 | switch (ih->protocol) { | 3356 | switch (ih->protocol) { |
3360 | case IPPROTO_TCP: { | 3357 | case IPPROTO_TCP: { |
3361 | struct tcphdr _tcph, *th; | 3358 | struct tcphdr _tcph, *th; |
3362 | 3359 | ||
3363 | if (ntohs(ih->frag_off) & IP_OFFSET) | 3360 | if (ntohs(ih->frag_off) & IP_OFFSET) |
3364 | break; | 3361 | break; |
3365 | 3362 | ||
3366 | offset += ihlen; | 3363 | offset += ihlen; |
3367 | th = skb_header_pointer(skb, offset, sizeof(_tcph), &_tcph); | 3364 | th = skb_header_pointer(skb, offset, sizeof(_tcph), &_tcph); |
@@ -3371,23 +3368,23 @@ static int selinux_parse_skb_ipv4(struct sk_buff *skb, | |||
3371 | ad->u.net.sport = th->source; | 3368 | ad->u.net.sport = th->source; |
3372 | ad->u.net.dport = th->dest; | 3369 | ad->u.net.dport = th->dest; |
3373 | break; | 3370 | break; |
3374 | } | 3371 | } |
3375 | 3372 | ||
3376 | case IPPROTO_UDP: { | 3373 | case IPPROTO_UDP: { |
3377 | struct udphdr _udph, *uh; | 3374 | struct udphdr _udph, *uh; |
3378 | 3375 | ||
3379 | if (ntohs(ih->frag_off) & IP_OFFSET) | 3376 | if (ntohs(ih->frag_off) & IP_OFFSET) |
3380 | break; | 3377 | break; |
3381 | 3378 | ||
3382 | offset += ihlen; | 3379 | offset += ihlen; |
3383 | uh = skb_header_pointer(skb, offset, sizeof(_udph), &_udph); | 3380 | uh = skb_header_pointer(skb, offset, sizeof(_udph), &_udph); |
3384 | if (uh == NULL) | 3381 | if (uh == NULL) |
3385 | break; | 3382 | break; |
3386 | 3383 | ||
3387 | ad->u.net.sport = uh->source; | 3384 | ad->u.net.sport = uh->source; |
3388 | ad->u.net.dport = uh->dest; | 3385 | ad->u.net.dport = uh->dest; |
3389 | break; | 3386 | break; |
3390 | } | 3387 | } |
3391 | 3388 | ||
3392 | case IPPROTO_DCCP: { | 3389 | case IPPROTO_DCCP: { |
3393 | struct dccp_hdr _dccph, *dh; | 3390 | struct dccp_hdr _dccph, *dh; |
@@ -3403,11 +3400,11 @@ static int selinux_parse_skb_ipv4(struct sk_buff *skb, | |||
3403 | ad->u.net.sport = dh->dccph_sport; | 3400 | ad->u.net.sport = dh->dccph_sport; |
3404 | ad->u.net.dport = dh->dccph_dport; | 3401 | ad->u.net.dport = dh->dccph_dport; |
3405 | break; | 3402 | break; |
3406 | } | 3403 | } |
3407 | 3404 | ||
3408 | default: | 3405 | default: |
3409 | break; | 3406 | break; |
3410 | } | 3407 | } |
3411 | out: | 3408 | out: |
3412 | return ret; | 3409 | return ret; |
3413 | } | 3410 | } |
@@ -3442,7 +3439,7 @@ static int selinux_parse_skb_ipv6(struct sk_buff *skb, | |||
3442 | 3439 | ||
3443 | switch (nexthdr) { | 3440 | switch (nexthdr) { |
3444 | case IPPROTO_TCP: { | 3441 | case IPPROTO_TCP: { |
3445 | struct tcphdr _tcph, *th; | 3442 | struct tcphdr _tcph, *th; |
3446 | 3443 | ||
3447 | th = skb_header_pointer(skb, offset, sizeof(_tcph), &_tcph); | 3444 | th = skb_header_pointer(skb, offset, sizeof(_tcph), &_tcph); |
3448 | if (th == NULL) | 3445 | if (th == NULL) |
@@ -3475,7 +3472,7 @@ static int selinux_parse_skb_ipv6(struct sk_buff *skb, | |||
3475 | ad->u.net.sport = dh->dccph_sport; | 3472 | ad->u.net.sport = dh->dccph_sport; |
3476 | ad->u.net.dport = dh->dccph_dport; | 3473 | ad->u.net.dport = dh->dccph_dport; |
3477 | break; | 3474 | break; |
3478 | } | 3475 | } |
3479 | 3476 | ||
3480 | /* includes fragments */ | 3477 | /* includes fragments */ |
3481 | default: | 3478 | default: |
@@ -3573,7 +3570,7 @@ static int socket_has_perm(struct task_struct *task, struct socket *sock, | |||
3573 | if (isec->sid == SECINITSID_KERNEL) | 3570 | if (isec->sid == SECINITSID_KERNEL) |
3574 | goto out; | 3571 | goto out; |
3575 | 3572 | ||
3576 | AVC_AUDIT_DATA_INIT(&ad,NET); | 3573 | AVC_AUDIT_DATA_INIT(&ad, NET); |
3577 | ad.u.net.sk = sock->sk; | 3574 | ad.u.net.sk = sock->sk; |
3578 | err = avc_has_perm(tsec->sid, isec->sid, isec->sclass, perms, &ad); | 3575 | err = avc_has_perm(tsec->sid, isec->sid, isec->sclass, perms, &ad); |
3579 | 3576 | ||
@@ -3683,7 +3680,7 @@ static int selinux_socket_bind(struct socket *sock, struct sockaddr *address, in | |||
3683 | snum, &sid); | 3680 | snum, &sid); |
3684 | if (err) | 3681 | if (err) |
3685 | goto out; | 3682 | goto out; |
3686 | AVC_AUDIT_DATA_INIT(&ad,NET); | 3683 | AVC_AUDIT_DATA_INIT(&ad, NET); |
3687 | ad.u.net.sport = htons(snum); | 3684 | ad.u.net.sport = htons(snum); |
3688 | ad.u.net.family = family; | 3685 | ad.u.net.family = family; |
3689 | err = avc_has_perm(isec->sid, sid, | 3686 | err = avc_has_perm(isec->sid, sid, |
@@ -3693,12 +3690,12 @@ static int selinux_socket_bind(struct socket *sock, struct sockaddr *address, in | |||
3693 | goto out; | 3690 | goto out; |
3694 | } | 3691 | } |
3695 | } | 3692 | } |
3696 | 3693 | ||
3697 | switch(isec->sclass) { | 3694 | switch (isec->sclass) { |
3698 | case SECCLASS_TCP_SOCKET: | 3695 | case SECCLASS_TCP_SOCKET: |
3699 | node_perm = TCP_SOCKET__NODE_BIND; | 3696 | node_perm = TCP_SOCKET__NODE_BIND; |
3700 | break; | 3697 | break; |
3701 | 3698 | ||
3702 | case SECCLASS_UDP_SOCKET: | 3699 | case SECCLASS_UDP_SOCKET: |
3703 | node_perm = UDP_SOCKET__NODE_BIND; | 3700 | node_perm = UDP_SOCKET__NODE_BIND; |
3704 | break; | 3701 | break; |
@@ -3711,12 +3708,12 @@ static int selinux_socket_bind(struct socket *sock, struct sockaddr *address, in | |||
3711 | node_perm = RAWIP_SOCKET__NODE_BIND; | 3708 | node_perm = RAWIP_SOCKET__NODE_BIND; |
3712 | break; | 3709 | break; |
3713 | } | 3710 | } |
3714 | 3711 | ||
3715 | err = sel_netnode_sid(addrp, family, &sid); | 3712 | err = sel_netnode_sid(addrp, family, &sid); |
3716 | if (err) | 3713 | if (err) |
3717 | goto out; | 3714 | goto out; |
3718 | 3715 | ||
3719 | AVC_AUDIT_DATA_INIT(&ad,NET); | 3716 | AVC_AUDIT_DATA_INIT(&ad, NET); |
3720 | ad.u.net.sport = htons(snum); | 3717 | ad.u.net.sport = htons(snum); |
3721 | ad.u.net.family = family; | 3718 | ad.u.net.family = family; |
3722 | 3719 | ||
@@ -3726,7 +3723,7 @@ static int selinux_socket_bind(struct socket *sock, struct sockaddr *address, in | |||
3726 | ipv6_addr_copy(&ad.u.net.v6info.saddr, &addr6->sin6_addr); | 3723 | ipv6_addr_copy(&ad.u.net.v6info.saddr, &addr6->sin6_addr); |
3727 | 3724 | ||
3728 | err = avc_has_perm(isec->sid, sid, | 3725 | err = avc_has_perm(isec->sid, sid, |
3729 | isec->sclass, node_perm, &ad); | 3726 | isec->sclass, node_perm, &ad); |
3730 | if (err) | 3727 | if (err) |
3731 | goto out; | 3728 | goto out; |
3732 | } | 3729 | } |
@@ -3775,7 +3772,7 @@ static int selinux_socket_connect(struct socket *sock, struct sockaddr *address, | |||
3775 | perm = (isec->sclass == SECCLASS_TCP_SOCKET) ? | 3772 | perm = (isec->sclass == SECCLASS_TCP_SOCKET) ? |
3776 | TCP_SOCKET__NAME_CONNECT : DCCP_SOCKET__NAME_CONNECT; | 3773 | TCP_SOCKET__NAME_CONNECT : DCCP_SOCKET__NAME_CONNECT; |
3777 | 3774 | ||
3778 | AVC_AUDIT_DATA_INIT(&ad,NET); | 3775 | AVC_AUDIT_DATA_INIT(&ad, NET); |
3779 | ad.u.net.dport = htons(snum); | 3776 | ad.u.net.dport = htons(snum); |
3780 | ad.u.net.family = sk->sk_family; | 3777 | ad.u.net.family = sk->sk_family; |
3781 | err = avc_has_perm(isec->sid, sid, isec->sclass, perm, &ad); | 3778 | err = avc_has_perm(isec->sid, sid, isec->sclass, perm, &ad); |
@@ -3813,7 +3810,7 @@ static int selinux_socket_accept(struct socket *sock, struct socket *newsock) | |||
3813 | } | 3810 | } |
3814 | 3811 | ||
3815 | static int selinux_socket_sendmsg(struct socket *sock, struct msghdr *msg, | 3812 | static int selinux_socket_sendmsg(struct socket *sock, struct msghdr *msg, |
3816 | int size) | 3813 | int size) |
3817 | { | 3814 | { |
3818 | int rc; | 3815 | int rc; |
3819 | 3816 | ||
@@ -3840,7 +3837,7 @@ static int selinux_socket_getpeername(struct socket *sock) | |||
3840 | return socket_has_perm(current, sock, SOCKET__GETATTR); | 3837 | return socket_has_perm(current, sock, SOCKET__GETATTR); |
3841 | } | 3838 | } |
3842 | 3839 | ||
3843 | static int selinux_socket_setsockopt(struct socket *sock,int level,int optname) | 3840 | static int selinux_socket_setsockopt(struct socket *sock, int level, int optname) |
3844 | { | 3841 | { |
3845 | int err; | 3842 | int err; |
3846 | 3843 | ||
@@ -3879,7 +3876,7 @@ static int selinux_socket_unix_stream_connect(struct socket *sock, | |||
3879 | isec = SOCK_INODE(sock)->i_security; | 3876 | isec = SOCK_INODE(sock)->i_security; |
3880 | other_isec = SOCK_INODE(other)->i_security; | 3877 | other_isec = SOCK_INODE(other)->i_security; |
3881 | 3878 | ||
3882 | AVC_AUDIT_DATA_INIT(&ad,NET); | 3879 | AVC_AUDIT_DATA_INIT(&ad, NET); |
3883 | ad.u.net.sk = other->sk; | 3880 | ad.u.net.sk = other->sk; |
3884 | 3881 | ||
3885 | err = avc_has_perm(isec->sid, other_isec->sid, | 3882 | err = avc_has_perm(isec->sid, other_isec->sid, |
@@ -3891,7 +3888,7 @@ static int selinux_socket_unix_stream_connect(struct socket *sock, | |||
3891 | /* connecting socket */ | 3888 | /* connecting socket */ |
3892 | ssec = sock->sk->sk_security; | 3889 | ssec = sock->sk->sk_security; |
3893 | ssec->peer_sid = other_isec->sid; | 3890 | ssec->peer_sid = other_isec->sid; |
3894 | 3891 | ||
3895 | /* server child socket */ | 3892 | /* server child socket */ |
3896 | ssec = newsk->sk_security; | 3893 | ssec = newsk->sk_security; |
3897 | ssec->peer_sid = isec->sid; | 3894 | ssec->peer_sid = isec->sid; |
@@ -3911,7 +3908,7 @@ static int selinux_socket_unix_may_send(struct socket *sock, | |||
3911 | isec = SOCK_INODE(sock)->i_security; | 3908 | isec = SOCK_INODE(sock)->i_security; |
3912 | other_isec = SOCK_INODE(other)->i_security; | 3909 | other_isec = SOCK_INODE(other)->i_security; |
3913 | 3910 | ||
3914 | AVC_AUDIT_DATA_INIT(&ad,NET); | 3911 | AVC_AUDIT_DATA_INIT(&ad, NET); |
3915 | ad.u.net.sk = other->sk; | 3912 | ad.u.net.sk = other->sk; |
3916 | 3913 | ||
3917 | err = avc_has_perm(isec->sid, other_isec->sid, | 3914 | err = avc_has_perm(isec->sid, other_isec->sid, |
@@ -3989,7 +3986,7 @@ static int selinux_sock_rcv_skb_iptables_compat(struct sock *sk, | |||
3989 | err = avc_has_perm(sk_sid, if_sid, SECCLASS_NETIF, netif_perm, ad); | 3986 | err = avc_has_perm(sk_sid, if_sid, SECCLASS_NETIF, netif_perm, ad); |
3990 | if (err) | 3987 | if (err) |
3991 | return err; | 3988 | return err; |
3992 | 3989 | ||
3993 | err = sel_netnode_sid(addrp, family, &node_sid); | 3990 | err = sel_netnode_sid(addrp, family, &node_sid); |
3994 | if (err) | 3991 | if (err) |
3995 | return err; | 3992 | return err; |
@@ -4140,7 +4137,7 @@ out_len: | |||
4140 | err = -EFAULT; | 4137 | err = -EFAULT; |
4141 | 4138 | ||
4142 | kfree(scontext); | 4139 | kfree(scontext); |
4143 | out: | 4140 | out: |
4144 | return err; | 4141 | return err; |
4145 | } | 4142 | } |
4146 | 4143 | ||
@@ -4201,7 +4198,7 @@ static void selinux_sk_getsecid(struct sock *sk, u32 *secid) | |||
4201 | } | 4198 | } |
4202 | } | 4199 | } |
4203 | 4200 | ||
4204 | static void selinux_sock_graft(struct sock* sk, struct socket *parent) | 4201 | static void selinux_sock_graft(struct sock *sk, struct socket *parent) |
4205 | { | 4202 | { |
4206 | struct inode_security_struct *isec = SOCK_INODE(parent)->i_security; | 4203 | struct inode_security_struct *isec = SOCK_INODE(parent)->i_security; |
4207 | struct sk_security_struct *sksec = sk->sk_security; | 4204 | struct sk_security_struct *sksec = sk->sk_security; |
@@ -4278,13 +4275,13 @@ static int selinux_nlmsg_perm(struct sock *sk, struct sk_buff *skb) | |||
4278 | struct nlmsghdr *nlh; | 4275 | struct nlmsghdr *nlh; |
4279 | struct socket *sock = sk->sk_socket; | 4276 | struct socket *sock = sk->sk_socket; |
4280 | struct inode_security_struct *isec = SOCK_INODE(sock)->i_security; | 4277 | struct inode_security_struct *isec = SOCK_INODE(sock)->i_security; |
4281 | 4278 | ||
4282 | if (skb->len < NLMSG_SPACE(0)) { | 4279 | if (skb->len < NLMSG_SPACE(0)) { |
4283 | err = -EINVAL; | 4280 | err = -EINVAL; |
4284 | goto out; | 4281 | goto out; |
4285 | } | 4282 | } |
4286 | nlh = nlmsg_hdr(skb); | 4283 | nlh = nlmsg_hdr(skb); |
4287 | 4284 | ||
4288 | err = selinux_nlmsg_lookup(isec->sclass, nlh->nlmsg_type, &perm); | 4285 | err = selinux_nlmsg_lookup(isec->sclass, nlh->nlmsg_type, &perm); |
4289 | if (err) { | 4286 | if (err) { |
4290 | if (err == -EINVAL) { | 4287 | if (err == -EINVAL) { |
@@ -4410,7 +4407,7 @@ static int selinux_ip_postroute_iptables_compat(struct sock *sk, | |||
4410 | return err; | 4407 | return err; |
4411 | err = avc_has_perm(sk_sid, if_sid, SECCLASS_NETIF, netif_perm, ad); | 4408 | err = avc_has_perm(sk_sid, if_sid, SECCLASS_NETIF, netif_perm, ad); |
4412 | return err; | 4409 | return err; |
4413 | 4410 | ||
4414 | err = sel_netnode_sid(addrp, family, &node_sid); | 4411 | err = sel_netnode_sid(addrp, family, &node_sid); |
4415 | if (err) | 4412 | if (err) |
4416 | return err; | 4413 | return err; |
@@ -4593,7 +4590,7 @@ static int selinux_netlink_recv(struct sk_buff *skb, int capability) | |||
4593 | ad.u.cap = capability; | 4590 | ad.u.cap = capability; |
4594 | 4591 | ||
4595 | return avc_has_perm(NETLINK_CB(skb).sid, NETLINK_CB(skb).sid, | 4592 | return avc_has_perm(NETLINK_CB(skb).sid, NETLINK_CB(skb).sid, |
4596 | SECCLASS_CAPABILITY, CAP_TO_MASK(capability), &ad); | 4593 | SECCLASS_CAPABILITY, CAP_TO_MASK(capability), &ad); |
4597 | } | 4594 | } |
4598 | 4595 | ||
4599 | static int ipc_alloc_security(struct task_struct *task, | 4596 | static int ipc_alloc_security(struct task_struct *task, |
@@ -4685,7 +4682,7 @@ static int selinux_msg_queue_alloc_security(struct msg_queue *msq) | |||
4685 | isec = msq->q_perm.security; | 4682 | isec = msq->q_perm.security; |
4686 | 4683 | ||
4687 | AVC_AUDIT_DATA_INIT(&ad, IPC); | 4684 | AVC_AUDIT_DATA_INIT(&ad, IPC); |
4688 | ad.u.ipc_id = msq->q_perm.key; | 4685 | ad.u.ipc_id = msq->q_perm.key; |
4689 | 4686 | ||
4690 | rc = avc_has_perm(tsec->sid, isec->sid, SECCLASS_MSGQ, | 4687 | rc = avc_has_perm(tsec->sid, isec->sid, SECCLASS_MSGQ, |
4691 | MSGQ__CREATE, &ad); | 4688 | MSGQ__CREATE, &ad); |
@@ -4722,7 +4719,7 @@ static int selinux_msg_queue_msgctl(struct msg_queue *msq, int cmd) | |||
4722 | int err; | 4719 | int err; |
4723 | int perms; | 4720 | int perms; |
4724 | 4721 | ||
4725 | switch(cmd) { | 4722 | switch (cmd) { |
4726 | case IPC_INFO: | 4723 | case IPC_INFO: |
4727 | case MSG_INFO: | 4724 | case MSG_INFO: |
4728 | /* No specific object, just general system-wide information. */ | 4725 | /* No specific object, just general system-wide information. */ |
@@ -4806,7 +4803,7 @@ static int selinux_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg, | |||
4806 | msec = msg->security; | 4803 | msec = msg->security; |
4807 | 4804 | ||
4808 | AVC_AUDIT_DATA_INIT(&ad, IPC); | 4805 | AVC_AUDIT_DATA_INIT(&ad, IPC); |
4809 | ad.u.ipc_id = msq->q_perm.key; | 4806 | ad.u.ipc_id = msq->q_perm.key; |
4810 | 4807 | ||
4811 | rc = avc_has_perm(tsec->sid, isec->sid, | 4808 | rc = avc_has_perm(tsec->sid, isec->sid, |
4812 | SECCLASS_MSGQ, MSGQ__READ, &ad); | 4809 | SECCLASS_MSGQ, MSGQ__READ, &ad); |
@@ -4832,7 +4829,7 @@ static int selinux_shm_alloc_security(struct shmid_kernel *shp) | |||
4832 | isec = shp->shm_perm.security; | 4829 | isec = shp->shm_perm.security; |
4833 | 4830 | ||
4834 | AVC_AUDIT_DATA_INIT(&ad, IPC); | 4831 | AVC_AUDIT_DATA_INIT(&ad, IPC); |
4835 | ad.u.ipc_id = shp->shm_perm.key; | 4832 | ad.u.ipc_id = shp->shm_perm.key; |
4836 | 4833 | ||
4837 | rc = avc_has_perm(tsec->sid, isec->sid, SECCLASS_SHM, | 4834 | rc = avc_has_perm(tsec->sid, isec->sid, SECCLASS_SHM, |
4838 | SHM__CREATE, &ad); | 4835 | SHM__CREATE, &ad); |
@@ -4870,7 +4867,7 @@ static int selinux_shm_shmctl(struct shmid_kernel *shp, int cmd) | |||
4870 | int perms; | 4867 | int perms; |
4871 | int err; | 4868 | int err; |
4872 | 4869 | ||
4873 | switch(cmd) { | 4870 | switch (cmd) { |
4874 | case IPC_INFO: | 4871 | case IPC_INFO: |
4875 | case SHM_INFO: | 4872 | case SHM_INFO: |
4876 | /* No specific object, just general system-wide information. */ | 4873 | /* No specific object, just general system-wide information. */ |
@@ -4931,7 +4928,7 @@ static int selinux_sem_alloc_security(struct sem_array *sma) | |||
4931 | isec = sma->sem_perm.security; | 4928 | isec = sma->sem_perm.security; |
4932 | 4929 | ||
4933 | AVC_AUDIT_DATA_INIT(&ad, IPC); | 4930 | AVC_AUDIT_DATA_INIT(&ad, IPC); |
4934 | ad.u.ipc_id = sma->sem_perm.key; | 4931 | ad.u.ipc_id = sma->sem_perm.key; |
4935 | 4932 | ||
4936 | rc = avc_has_perm(tsec->sid, isec->sid, SECCLASS_SEM, | 4933 | rc = avc_has_perm(tsec->sid, isec->sid, SECCLASS_SEM, |
4937 | SEM__CREATE, &ad); | 4934 | SEM__CREATE, &ad); |
@@ -4969,7 +4966,7 @@ static int selinux_sem_semctl(struct sem_array *sma, int cmd) | |||
4969 | int err; | 4966 | int err; |
4970 | u32 perms; | 4967 | u32 perms; |
4971 | 4968 | ||
4972 | switch(cmd) { | 4969 | switch (cmd) { |
4973 | case IPC_INFO: | 4970 | case IPC_INFO: |
4974 | case SEM_INFO: | 4971 | case SEM_INFO: |
4975 | /* No specific object, just general system-wide information. */ | 4972 | /* No specific object, just general system-wide information. */ |
@@ -5041,13 +5038,13 @@ static void selinux_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) | |||
5041 | } | 5038 | } |
5042 | 5039 | ||
5043 | /* module stacking operations */ | 5040 | /* module stacking operations */ |
5044 | static int selinux_register_security (const char *name, struct security_operations *ops) | 5041 | static int selinux_register_security(const char *name, struct security_operations *ops) |
5045 | { | 5042 | { |
5046 | if (secondary_ops != original_ops) { | 5043 | if (secondary_ops != original_ops) { |
5047 | printk(KERN_ERR "%s: There is already a secondary security " | 5044 | printk(KERN_ERR "%s: There is already a secondary security " |
5048 | "module registered.\n", __func__); | 5045 | "module registered.\n", __func__); |
5049 | return -EINVAL; | 5046 | return -EINVAL; |
5050 | } | 5047 | } |
5051 | 5048 | ||
5052 | secondary_ops = ops; | 5049 | secondary_ops = ops; |
5053 | 5050 | ||
@@ -5058,7 +5055,7 @@ static int selinux_register_security (const char *name, struct security_operatio | |||
5058 | return 0; | 5055 | return 0; |
5059 | } | 5056 | } |
5060 | 5057 | ||
5061 | static void selinux_d_instantiate (struct dentry *dentry, struct inode *inode) | 5058 | static void selinux_d_instantiate(struct dentry *dentry, struct inode *inode) |
5062 | { | 5059 | { |
5063 | if (inode) | 5060 | if (inode) |
5064 | inode_doinit_with_dentry(inode, dentry); | 5061 | inode_doinit_with_dentry(inode, dentry); |
@@ -5186,11 +5183,11 @@ static int selinux_setprocattr(struct task_struct *p, | |||
5186 | } | 5183 | } |
5187 | while_each_thread(g, t); | 5184 | while_each_thread(g, t); |
5188 | read_unlock(&tasklist_lock); | 5185 | read_unlock(&tasklist_lock); |
5189 | } | 5186 | } |
5190 | 5187 | ||
5191 | /* Check permissions for the transition. */ | 5188 | /* Check permissions for the transition. */ |
5192 | error = avc_has_perm(tsec->sid, sid, SECCLASS_PROCESS, | 5189 | error = avc_has_perm(tsec->sid, sid, SECCLASS_PROCESS, |
5193 | PROCESS__DYNTRANSITION, NULL); | 5190 | PROCESS__DYNTRANSITION, NULL); |
5194 | if (error) | 5191 | if (error) |
5195 | return error; | 5192 | return error; |
5196 | 5193 | ||
@@ -5218,8 +5215,7 @@ static int selinux_setprocattr(struct task_struct *p, | |||
5218 | tsec->sid = sid; | 5215 | tsec->sid = sid; |
5219 | task_unlock(p); | 5216 | task_unlock(p); |
5220 | } | 5217 | } |
5221 | } | 5218 | } else |
5222 | else | ||
5223 | return -EINVAL; | 5219 | return -EINVAL; |
5224 | 5220 | ||
5225 | return size; | 5221 | return size; |
@@ -5309,7 +5305,7 @@ static struct security_operations selinux_ops = { | |||
5309 | .vm_enough_memory = selinux_vm_enough_memory, | 5305 | .vm_enough_memory = selinux_vm_enough_memory, |
5310 | 5306 | ||
5311 | .netlink_send = selinux_netlink_send, | 5307 | .netlink_send = selinux_netlink_send, |
5312 | .netlink_recv = selinux_netlink_recv, | 5308 | .netlink_recv = selinux_netlink_recv, |
5313 | 5309 | ||
5314 | .bprm_alloc_security = selinux_bprm_alloc_security, | 5310 | .bprm_alloc_security = selinux_bprm_alloc_security, |
5315 | .bprm_free_security = selinux_bprm_free_security, | 5311 | .bprm_free_security = selinux_bprm_free_security, |
@@ -5322,13 +5318,13 @@ static struct security_operations selinux_ops = { | |||
5322 | .sb_alloc_security = selinux_sb_alloc_security, | 5318 | .sb_alloc_security = selinux_sb_alloc_security, |
5323 | .sb_free_security = selinux_sb_free_security, | 5319 | .sb_free_security = selinux_sb_free_security, |
5324 | .sb_copy_data = selinux_sb_copy_data, | 5320 | .sb_copy_data = selinux_sb_copy_data, |
5325 | .sb_kern_mount = selinux_sb_kern_mount, | 5321 | .sb_kern_mount = selinux_sb_kern_mount, |
5326 | .sb_statfs = selinux_sb_statfs, | 5322 | .sb_statfs = selinux_sb_statfs, |
5327 | .sb_mount = selinux_mount, | 5323 | .sb_mount = selinux_mount, |
5328 | .sb_umount = selinux_umount, | 5324 | .sb_umount = selinux_umount, |
5329 | .sb_get_mnt_opts = selinux_get_mnt_opts, | 5325 | .sb_get_mnt_opts = selinux_get_mnt_opts, |
5330 | .sb_set_mnt_opts = selinux_set_mnt_opts, | 5326 | .sb_set_mnt_opts = selinux_set_mnt_opts, |
5331 | .sb_clone_mnt_opts = selinux_sb_clone_mnt_opts, | 5327 | .sb_clone_mnt_opts = selinux_sb_clone_mnt_opts, |
5332 | .sb_parse_opts_str = selinux_parse_opts_str, | 5328 | .sb_parse_opts_str = selinux_parse_opts_str, |
5333 | 5329 | ||
5334 | 5330 | ||
@@ -5353,9 +5349,9 @@ static struct security_operations selinux_ops = { | |||
5353 | .inode_getxattr = selinux_inode_getxattr, | 5349 | .inode_getxattr = selinux_inode_getxattr, |
5354 | .inode_listxattr = selinux_inode_listxattr, | 5350 | .inode_listxattr = selinux_inode_listxattr, |
5355 | .inode_removexattr = selinux_inode_removexattr, | 5351 | .inode_removexattr = selinux_inode_removexattr, |
5356 | .inode_getsecurity = selinux_inode_getsecurity, | 5352 | .inode_getsecurity = selinux_inode_getsecurity, |
5357 | .inode_setsecurity = selinux_inode_setsecurity, | 5353 | .inode_setsecurity = selinux_inode_setsecurity, |
5358 | .inode_listsecurity = selinux_inode_listsecurity, | 5354 | .inode_listsecurity = selinux_inode_listsecurity, |
5359 | .inode_need_killpriv = selinux_inode_need_killpriv, | 5355 | .inode_need_killpriv = selinux_inode_need_killpriv, |
5360 | .inode_killpriv = selinux_inode_killpriv, | 5356 | .inode_killpriv = selinux_inode_killpriv, |
5361 | .inode_getsecid = selinux_inode_getsecid, | 5357 | .inode_getsecid = selinux_inode_getsecid, |
@@ -5372,7 +5368,7 @@ static struct security_operations selinux_ops = { | |||
5372 | .file_send_sigiotask = selinux_file_send_sigiotask, | 5368 | .file_send_sigiotask = selinux_file_send_sigiotask, |
5373 | .file_receive = selinux_file_receive, | 5369 | .file_receive = selinux_file_receive, |
5374 | 5370 | ||
5375 | .dentry_open = selinux_dentry_open, | 5371 | .dentry_open = selinux_dentry_open, |
5376 | 5372 | ||
5377 | .task_create = selinux_task_create, | 5373 | .task_create = selinux_task_create, |
5378 | .task_alloc_security = selinux_task_alloc_security, | 5374 | .task_alloc_security = selinux_task_alloc_security, |
@@ -5382,7 +5378,7 @@ static struct security_operations selinux_ops = { | |||
5382 | .task_setgid = selinux_task_setgid, | 5378 | .task_setgid = selinux_task_setgid, |
5383 | .task_setpgid = selinux_task_setpgid, | 5379 | .task_setpgid = selinux_task_setpgid, |
5384 | .task_getpgid = selinux_task_getpgid, | 5380 | .task_getpgid = selinux_task_getpgid, |
5385 | .task_getsid = selinux_task_getsid, | 5381 | .task_getsid = selinux_task_getsid, |
5386 | .task_getsecid = selinux_task_getsecid, | 5382 | .task_getsecid = selinux_task_getsecid, |
5387 | .task_setgroups = selinux_task_setgroups, | 5383 | .task_setgroups = selinux_task_setgroups, |
5388 | .task_setnice = selinux_task_setnice, | 5384 | .task_setnice = selinux_task_setnice, |
@@ -5396,7 +5392,7 @@ static struct security_operations selinux_ops = { | |||
5396 | .task_wait = selinux_task_wait, | 5392 | .task_wait = selinux_task_wait, |
5397 | .task_prctl = selinux_task_prctl, | 5393 | .task_prctl = selinux_task_prctl, |
5398 | .task_reparent_to_init = selinux_task_reparent_to_init, | 5394 | .task_reparent_to_init = selinux_task_reparent_to_init, |
5399 | .task_to_inode = selinux_task_to_inode, | 5395 | .task_to_inode = selinux_task_to_inode, |
5400 | 5396 | ||
5401 | .ipc_permission = selinux_ipc_permission, | 5397 | .ipc_permission = selinux_ipc_permission, |
5402 | .ipc_getsecid = selinux_ipc_getsecid, | 5398 | .ipc_getsecid = selinux_ipc_getsecid, |
@@ -5417,24 +5413,24 @@ static struct security_operations selinux_ops = { | |||
5417 | .shm_shmctl = selinux_shm_shmctl, | 5413 | .shm_shmctl = selinux_shm_shmctl, |
5418 | .shm_shmat = selinux_shm_shmat, | 5414 | .shm_shmat = selinux_shm_shmat, |
5419 | 5415 | ||
5420 | .sem_alloc_security = selinux_sem_alloc_security, | 5416 | .sem_alloc_security = selinux_sem_alloc_security, |
5421 | .sem_free_security = selinux_sem_free_security, | 5417 | .sem_free_security = selinux_sem_free_security, |
5422 | .sem_associate = selinux_sem_associate, | 5418 | .sem_associate = selinux_sem_associate, |
5423 | .sem_semctl = selinux_sem_semctl, | 5419 | .sem_semctl = selinux_sem_semctl, |
5424 | .sem_semop = selinux_sem_semop, | 5420 | .sem_semop = selinux_sem_semop, |
5425 | 5421 | ||
5426 | .register_security = selinux_register_security, | 5422 | .register_security = selinux_register_security, |
5427 | 5423 | ||
5428 | .d_instantiate = selinux_d_instantiate, | 5424 | .d_instantiate = selinux_d_instantiate, |
5429 | 5425 | ||
5430 | .getprocattr = selinux_getprocattr, | 5426 | .getprocattr = selinux_getprocattr, |
5431 | .setprocattr = selinux_setprocattr, | 5427 | .setprocattr = selinux_setprocattr, |
5432 | 5428 | ||
5433 | .secid_to_secctx = selinux_secid_to_secctx, | 5429 | .secid_to_secctx = selinux_secid_to_secctx, |
5434 | .secctx_to_secid = selinux_secctx_to_secid, | 5430 | .secctx_to_secid = selinux_secctx_to_secid, |
5435 | .release_secctx = selinux_release_secctx, | 5431 | .release_secctx = selinux_release_secctx, |
5436 | 5432 | ||
5437 | .unix_stream_connect = selinux_socket_unix_stream_connect, | 5433 | .unix_stream_connect = selinux_socket_unix_stream_connect, |
5438 | .unix_may_send = selinux_socket_unix_may_send, | 5434 | .unix_may_send = selinux_socket_unix_may_send, |
5439 | 5435 | ||
5440 | .socket_create = selinux_socket_create, | 5436 | .socket_create = selinux_socket_create, |
@@ -5456,7 +5452,7 @@ static struct security_operations selinux_ops = { | |||
5456 | .sk_alloc_security = selinux_sk_alloc_security, | 5452 | .sk_alloc_security = selinux_sk_alloc_security, |
5457 | .sk_free_security = selinux_sk_free_security, | 5453 | .sk_free_security = selinux_sk_free_security, |
5458 | .sk_clone_security = selinux_sk_clone_security, | 5454 | .sk_clone_security = selinux_sk_clone_security, |
5459 | .sk_getsecid = selinux_sk_getsecid, | 5455 | .sk_getsecid = selinux_sk_getsecid, |
5460 | .sock_graft = selinux_sock_graft, | 5456 | .sock_graft = selinux_sock_graft, |
5461 | .inet_conn_request = selinux_inet_conn_request, | 5457 | .inet_conn_request = selinux_inet_conn_request, |
5462 | .inet_csk_clone = selinux_inet_csk_clone, | 5458 | .inet_csk_clone = selinux_inet_csk_clone, |
@@ -5471,15 +5467,15 @@ static struct security_operations selinux_ops = { | |||
5471 | .xfrm_state_alloc_security = selinux_xfrm_state_alloc, | 5467 | .xfrm_state_alloc_security = selinux_xfrm_state_alloc, |
5472 | .xfrm_state_free_security = selinux_xfrm_state_free, | 5468 | .xfrm_state_free_security = selinux_xfrm_state_free, |
5473 | .xfrm_state_delete_security = selinux_xfrm_state_delete, | 5469 | .xfrm_state_delete_security = selinux_xfrm_state_delete, |
5474 | .xfrm_policy_lookup = selinux_xfrm_policy_lookup, | 5470 | .xfrm_policy_lookup = selinux_xfrm_policy_lookup, |
5475 | .xfrm_state_pol_flow_match = selinux_xfrm_state_pol_flow_match, | 5471 | .xfrm_state_pol_flow_match = selinux_xfrm_state_pol_flow_match, |
5476 | .xfrm_decode_session = selinux_xfrm_decode_session, | 5472 | .xfrm_decode_session = selinux_xfrm_decode_session, |
5477 | #endif | 5473 | #endif |
5478 | 5474 | ||
5479 | #ifdef CONFIG_KEYS | 5475 | #ifdef CONFIG_KEYS |
5480 | .key_alloc = selinux_key_alloc, | 5476 | .key_alloc = selinux_key_alloc, |
5481 | .key_free = selinux_key_free, | 5477 | .key_free = selinux_key_free, |
5482 | .key_permission = selinux_key_permission, | 5478 | .key_permission = selinux_key_permission, |
5483 | #endif | 5479 | #endif |
5484 | 5480 | ||
5485 | #ifdef CONFIG_AUDIT | 5481 | #ifdef CONFIG_AUDIT |
@@ -5519,15 +5515,14 @@ static __init int selinux_init(void) | |||
5519 | 5515 | ||
5520 | original_ops = secondary_ops = security_ops; | 5516 | original_ops = secondary_ops = security_ops; |
5521 | if (!secondary_ops) | 5517 | if (!secondary_ops) |
5522 | panic ("SELinux: No initial security operations\n"); | 5518 | panic("SELinux: No initial security operations\n"); |
5523 | if (register_security (&selinux_ops)) | 5519 | if (register_security(&selinux_ops)) |
5524 | panic("SELinux: Unable to register with kernel.\n"); | 5520 | panic("SELinux: Unable to register with kernel.\n"); |
5525 | 5521 | ||
5526 | if (selinux_enforcing) { | 5522 | if (selinux_enforcing) |
5527 | printk(KERN_DEBUG "SELinux: Starting in enforcing mode\n"); | 5523 | printk(KERN_DEBUG "SELinux: Starting in enforcing mode\n"); |
5528 | } else { | 5524 | else |
5529 | printk(KERN_DEBUG "SELinux: Starting in permissive mode\n"); | 5525 | printk(KERN_DEBUG "SELinux: Starting in permissive mode\n"); |
5530 | } | ||
5531 | 5526 | ||
5532 | #ifdef CONFIG_KEYS | 5527 | #ifdef CONFIG_KEYS |
5533 | /* Add security information to initial keyrings */ | 5528 | /* Add security information to initial keyrings */ |
@@ -5552,8 +5547,8 @@ next_sb: | |||
5552 | if (!list_empty(&superblock_security_head)) { | 5547 | if (!list_empty(&superblock_security_head)) { |
5553 | struct superblock_security_struct *sbsec = | 5548 | struct superblock_security_struct *sbsec = |
5554 | list_entry(superblock_security_head.next, | 5549 | list_entry(superblock_security_head.next, |
5555 | struct superblock_security_struct, | 5550 | struct superblock_security_struct, |
5556 | list); | 5551 | list); |
5557 | struct super_block *sb = sbsec->sb; | 5552 | struct super_block *sb = sbsec->sb; |
5558 | sb->s_count++; | 5553 | sb->s_count++; |
5559 | spin_unlock(&sb_security_lock); | 5554 | spin_unlock(&sb_security_lock); |
@@ -5672,10 +5667,11 @@ static void selinux_nf_ip_exit(void) | |||
5672 | #endif /* CONFIG_NETFILTER */ | 5667 | #endif /* CONFIG_NETFILTER */ |
5673 | 5668 | ||
5674 | #ifdef CONFIG_SECURITY_SELINUX_DISABLE | 5669 | #ifdef CONFIG_SECURITY_SELINUX_DISABLE |
5670 | static int selinux_disabled; | ||
5671 | |||
5675 | int selinux_disable(void) | 5672 | int selinux_disable(void) |
5676 | { | 5673 | { |
5677 | extern void exit_sel_fs(void); | 5674 | extern void exit_sel_fs(void); |
5678 | static int selinux_disabled = 0; | ||
5679 | 5675 | ||
5680 | if (ss_initialized) { | 5676 | if (ss_initialized) { |
5681 | /* Not permitted after initial policy load. */ | 5677 | /* Not permitted after initial policy load. */ |