diff options
Diffstat (limited to 'security/selinux')
-rw-r--r-- | security/selinux/avc.c | 58 | ||||
-rw-r--r-- | security/selinux/hooks.c | 512 | ||||
-rw-r--r-- | security/selinux/netif.c | 19 | ||||
-rw-r--r-- | security/selinux/netlabel.c | 2 | ||||
-rw-r--r-- | security/selinux/netlink.c | 20 | ||||
-rw-r--r-- | security/selinux/netnode.c | 2 | ||||
-rw-r--r-- | security/selinux/nlmsgtab.c | 5 | ||||
-rw-r--r-- | security/selinux/selinuxfs.c | 127 | ||||
-rw-r--r-- | security/selinux/ss/avtab.c | 48 | ||||
-rw-r--r-- | security/selinux/ss/conditional.c | 73 | ||||
-rw-r--r-- | security/selinux/ss/ebitmap.c | 5 | ||||
-rw-r--r-- | security/selinux/ss/hashtab.c | 4 | ||||
-rw-r--r-- | security/selinux/ss/mls.c | 27 | ||||
-rw-r--r-- | security/selinux/ss/policydb.c | 148 | ||||
-rw-r--r-- | security/selinux/ss/services.c | 178 | ||||
-rw-r--r-- | security/selinux/ss/sidtab.c | 6 | ||||
-rw-r--r-- | security/selinux/xfrm.c | 9 |
17 files changed, 609 insertions, 634 deletions
diff --git a/security/selinux/avc.c b/security/selinux/avc.c index a4fc6e6..1d69f66 100644 --- a/security/selinux/avc.c +++ b/security/selinux/avc.c @@ -2,16 +2,16 @@ * Implementation of the kernel access vector cache (AVC). * * Authors: Stephen Smalley, <sds@epoch.ncsc.mil> - * James Morris <jmorris@redhat.com> + * James Morris <jmorris@redhat.com> * * Update: KaiGai, Kohei <kaigai@ak.jp.nec.com> - * Replaced the avc_lock spinlock by RCU. + * Replaced the avc_lock spinlock by RCU. * * Copyright (C) 2003 Red Hat, Inc., James Morris <jmorris@redhat.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2, - * as published by the Free Software Foundation. + * as published by the Free Software Foundation. */ #include <linux/types.h> #include <linux/stddef.h> @@ -44,7 +44,7 @@ static const char *class_to_string[] = { #undef S_ }; -#define TB_(s) static const char * s [] = { +#define TB_(s) static const char *s[] = { #define TE_(s) }; #define S_(s) s, #include "common_perm_to_string.h" @@ -72,7 +72,7 @@ const struct selinux_class_perm selinux_class_perm = { #define AVC_CACHE_RECLAIM 16 #ifdef CONFIG_SECURITY_SELINUX_AVC_STATS -#define avc_cache_stats_incr(field) \ +#define avc_cache_stats_incr(field) \ do { \ per_cpu(avc_cache_stats, get_cpu()).field++; \ put_cpu(); \ @@ -92,7 +92,7 @@ struct avc_entry { struct avc_node { struct avc_entry ae; struct list_head list; - struct rcu_head rhead; + struct rcu_head rhead; }; struct avc_cache { @@ -105,8 +105,8 @@ struct avc_cache { struct avc_callback_node { int (*callback) (u32 event, u32 ssid, u32 tsid, - u16 tclass, u32 perms, - u32 *out_retained); + u16 tclass, u32 perms, + u32 *out_retained); u32 events; u32 ssid; u32 tsid; @@ -202,7 +202,7 @@ static void avc_dump_query(struct audit_buffer *ab, u32 ssid, u32 tsid, u16 tcla char *scontext; u32 scontext_len; - rc = security_sid_to_context(ssid, &scontext, &scontext_len); + rc = security_sid_to_context(ssid, &scontext, &scontext_len); if (rc) audit_log_format(ab, "ssid=%d", ssid); else { @@ -306,7 +306,7 @@ static inline int avc_reclaim_node(void) int hvalue, try, ecx; unsigned long flags; - for (try = 0, ecx = 0; try < AVC_CACHE_SLOTS; try++ ) { + for (try = 0, ecx = 0; try < AVC_CACHE_SLOTS; try++) { hvalue = atomic_inc_return(&avc_cache.lru_hint) & (AVC_CACHE_SLOTS - 1); if (!spin_trylock_irqsave(&avc_cache.slots_lock[hvalue], flags)) @@ -426,7 +426,7 @@ static int avc_latest_notif_update(int seqno, int is_insert) spin_lock_irqsave(¬if_lock, flag); if (is_insert) { if (seqno < avc_cache.latest_notif) { - printk(KERN_WARNING "avc: seqno %d < latest_notif %d\n", + printk(KERN_WARNING "SELinux: avc: seqno %d < latest_notif %d\n", seqno, avc_cache.latest_notif); ret = -EAGAIN; } @@ -475,7 +475,7 @@ static struct avc_node *avc_insert(u32 ssid, u32 tsid, u16 tclass, struct avc_en if (pos->ae.ssid == ssid && pos->ae.tsid == tsid && pos->ae.tclass == tclass) { - avc_node_replace(node, pos); + avc_node_replace(node, pos); goto found; } } @@ -526,8 +526,8 @@ static inline void avc_print_ipv4_addr(struct audit_buffer *ab, __be32 addr, * before calling the auditing code. */ void avc_audit(u32 ssid, u32 tsid, - u16 tclass, u32 requested, - struct av_decision *avd, int result, struct avc_audit_data *a) + u16 tclass, u32 requested, + struct av_decision *avd, int result, struct avc_audit_data *a) { struct task_struct *tsk = current; struct inode *inode = NULL; @@ -541,7 +541,7 @@ void avc_audit(u32 ssid, u32 tsid, return; } else if (result) { audited = denied = requested; - } else { + } else { audited = requested; if (!(audited & avd->auditallow)) return; @@ -551,7 +551,7 @@ void avc_audit(u32 ssid, u32 tsid, if (!ab) return; /* audit_panic has been called */ audit_log_format(ab, "avc: %s ", denied ? "denied" : "granted"); - avc_dump_av(ab, tclass,audited); + avc_dump_av(ab, tclass, audited); audit_log_format(ab, " for "); if (a && a->tsk) tsk = a->tsk; @@ -647,7 +647,7 @@ void avc_audit(u32 ssid, u32 tsid, break; } } - + switch (a->u.net.family) { case AF_INET: avc_print_ipv4_addr(ab, a->u.net.v4info.saddr, @@ -702,10 +702,10 @@ void avc_audit(u32 ssid, u32 tsid, * -%ENOMEM if insufficient memory exists to add the callback. */ int avc_add_callback(int (*callback)(u32 event, u32 ssid, u32 tsid, - u16 tclass, u32 perms, - u32 *out_retained), - u32 events, u32 ssid, u32 tsid, - u16 tclass, u32 perms) + u16 tclass, u32 perms, + u32 *out_retained), + u32 events, u32 ssid, u32 tsid, + u16 tclass, u32 perms) { struct avc_callback_node *c; int rc = 0; @@ -759,10 +759,10 @@ static int avc_update_node(u32 event, u32 perms, u32 ssid, u32 tsid, u16 tclass) hvalue = avc_hash(ssid, tsid, tclass); spin_lock_irqsave(&avc_cache.slots_lock[hvalue], flag); - list_for_each_entry(pos, &avc_cache.slots[hvalue], list){ - if ( ssid==pos->ae.ssid && - tsid==pos->ae.tsid && - tclass==pos->ae.tclass ){ + list_for_each_entry(pos, &avc_cache.slots[hvalue], list) { + if (ssid == pos->ae.ssid && + tsid == pos->ae.tsid && + tclass == pos->ae.tclass){ orig = pos; break; } @@ -829,7 +829,7 @@ int avc_ss_reset(u32 seqno) for (c = avc_callbacks; c; c = c->next) { if (c->events & AVC_CALLBACK_RESET) { tmprc = c->callback(AVC_CALLBACK_RESET, - 0, 0, 0, 0, NULL); + 0, 0, 0, 0, NULL); /* save the first error encountered for the return value and continue processing the callbacks */ if (!rc) @@ -878,11 +878,11 @@ int avc_has_perm_noaudit(u32 ssid, u32 tsid, node = avc_lookup(ssid, tsid, tclass, requested); if (!node) { rcu_read_unlock(); - rc = security_compute_av(ssid,tsid,tclass,requested,&entry.avd); + rc = security_compute_av(ssid, tsid, tclass, requested, &entry.avd); if (rc) goto out; rcu_read_lock(); - node = avc_insert(ssid,tsid,tclass,&entry); + node = avc_insert(ssid, tsid, tclass, &entry); } p_ae = node ? &node->ae : &entry; @@ -924,7 +924,7 @@ out: * another -errno upon other errors. */ int avc_has_perm(u32 ssid, u32 tsid, u16 tclass, - u32 requested, struct avc_audit_data *auditdata) + u32 requested, struct avc_audit_data *auditdata) { struct av_decision avd; int rc; diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index f9927f0..1bf2543 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -4,22 +4,22 @@ * This file contains the SELinux hook function implementations. * * Authors: Stephen Smalley, <sds@epoch.ncsc.mil> - * Chris Vance, <cvance@nai.com> - * Wayne Salamon, <wsalamon@nai.com> - * James Morris <jmorris@redhat.com> + * Chris Vance, <cvance@nai.com> + * Wayne Salamon, <wsalamon@nai.com> + * James Morris <jmorris@redhat.com> * * Copyright (C) 2001,2002 Networks Associates Technology, Inc. * Copyright (C) 2003 Red Hat, Inc., James Morris <jmorris@redhat.com> * Copyright (C) 2004-2005 Trusted Computer Solutions, Inc. - * <dgoeddel@trustedcs.com> + * <dgoeddel@trustedcs.com> * Copyright (C) 2006, 2007 Hewlett-Packard Development Company, L.P. - * Paul Moore <paul.moore@hp.com> + * Paul Moore <paul.moore@hp.com> * Copyright (C) 2007 Hitachi Software Engineering Co., Ltd. - * Yuichi Nakamura <ynakam@hitachisoft.jp> + * Yuichi Nakamura <ynakam@hitachisoft.jp> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2, - * as published by the Free Software Foundation. + * as published by the Free Software Foundation. */ #include <linux/init.h> @@ -99,11 +99,11 @@ extern struct security_operations *security_ops; atomic_t selinux_secmark_refcount = ATOMIC_INIT(0); #ifdef CONFIG_SECURITY_SELINUX_DEVELOP -int selinux_enforcing = 0; +int selinux_enforcing; static int __init enforcing_setup(char *str) { - selinux_enforcing = simple_strtol(str,NULL,0); + selinux_enforcing = simple_strtol(str, NULL, 0); return 1; } __setup("enforcing=", enforcing_setup); @@ -123,13 +123,13 @@ int selinux_enabled = 1; #endif /* Original (dummy) security module. */ -static struct security_operations *original_ops = NULL; +static struct security_operations *original_ops; /* Minimal support for a secondary security module, just to allow the use of the dummy or capability modules. The owlsm module can alternatively be used as a secondary module as long as CONFIG_OWLSM_FD is not enabled. */ -static struct security_operations *secondary_ops = NULL; +static struct security_operations *secondary_ops; /* Lists of inode and superblock security structures initialized before the policy was loaded. */ @@ -575,8 +575,8 @@ static int selinux_set_mnt_opts(struct super_block *sb, goto out; } rc = -EINVAL; - printk(KERN_WARNING "Unable to set superblock options before " - "the security server is initialized\n"); + printk(KERN_WARNING "SELinux: Unable to set superblock options " + "before the security server is initialized\n"); goto out; } @@ -1054,7 +1054,7 @@ static int selinux_proc_get_sid(struct proc_dir_entry *de, int buflen, rc; char *buffer, *path, *end; - buffer = (char*)__get_free_page(GFP_KERNEL); + buffer = (char *)__get_free_page(GFP_KERNEL); if (!buffer) return -ENOMEM; @@ -1135,7 +1135,7 @@ static int inode_doinit_with_dentry(struct inode *inode, struct dentry *opt_dent dentry = d_find_alias(inode); } if (!dentry) { - printk(KERN_WARNING "%s: no dentry for dev=%s " + printk(KERN_WARNING "SELinux: %s: no dentry for dev=%s " "ino=%ld\n", __func__, inode->i_sb->s_id, inode->i_ino); goto out_unlock; @@ -1173,7 +1173,7 @@ static int inode_doinit_with_dentry(struct inode *inode, struct dentry *opt_dent dput(dentry); if (rc < 0) { if (rc != -ENODATA) { - printk(KERN_WARNING "%s: getxattr returned " + printk(KERN_WARNING "SELinux: %s: getxattr returned " "%d for dev=%s ino=%ld\n", __func__, -rc, inode->i_sb->s_id, inode->i_ino); kfree(context); @@ -1187,7 +1187,7 @@ static int inode_doinit_with_dentry(struct inode *inode, struct dentry *opt_dent sbsec->def_sid, GFP_NOFS); if (rc) { - printk(KERN_WARNING "%s: context_to_sid(%s) " + printk(KERN_WARNING "SELinux: %s: context_to_sid(%s) " "returned %d for dev=%s ino=%ld\n", __func__, context, -rc, inode->i_sb->s_id, inode->i_ino); @@ -1305,7 +1305,7 @@ static int task_has_capability(struct task_struct *tsk, tsec = tsk->security; - AVC_AUDIT_DATA_INIT(&ad,CAP); + AVC_AUDIT_DATA_INIT(&ad, CAP); ad.tsk = tsk; ad.u.cap = cap; @@ -1348,7 +1348,7 @@ static int inode_has_perm(struct task_struct *tsk, struct inode_security_struct *isec; struct avc_audit_data ad; - if (unlikely (IS_PRIVATE (inode))) + if (unlikely(IS_PRIVATE(inode))) return 0; tsec = tsk->security; @@ -1373,7 +1373,7 @@ static inline int dentry_has_perm(struct task_struct *tsk, { struct inode *inode = dentry->d_inode; struct avc_audit_data ad; - AVC_AUDIT_DATA_INIT(&ad,FS); + AVC_AUDIT_DATA_INIT(&ad, FS); ad.u.fs.path.mnt = mnt; ad.u.fs.path.dentry = dentry; return inode_has_perm(tsk, inode, av, &ad); @@ -1470,9 +1470,9 @@ static int may_create_key(u32 ksid, return avc_has_perm(tsec->sid, ksid, SECCLASS_KEY, KEY__CREATE, NULL); } -#define MAY_LINK 0 -#define MAY_UNLINK 1 -#define MAY_RMDIR 2 +#define MAY_LINK 0 +#define MAY_UNLINK 1 +#define MAY_RMDIR 2 /* Check whether a task can link, unlink, or rmdir a file/directory. */ static int may_link(struct inode *dir, @@ -1510,7 +1510,8 @@ static int may_link(struct inode *dir, av = DIR__RMDIR; break; default: - printk(KERN_WARNING "may_link: unrecognized kind %d\n", kind); + printk(KERN_WARNING "SELinux: %s: unrecognized kind %d\n", + __func__, kind); return 0; } @@ -1640,8 +1641,8 @@ static inline u32 open_file_mask_to_av(int mode, int mask) else if (S_ISDIR(mode)) av |= DIR__OPEN; else - printk(KERN_ERR "SELinux: WARNING: inside open_file_to_av " - "with unknown mode:%x\n", mode); + printk(KERN_ERR "SELinux: WARNING: inside %s with " + "unknown mode:%x\n", __func__, mode); } return av; } @@ -1675,7 +1676,7 @@ static int selinux_ptrace(struct task_struct *parent, struct task_struct *child) { int rc; - rc = secondary_ops->ptrace(parent,child); + rc = secondary_ops->ptrace(parent, child); if (rc) return rc; @@ -1683,7 +1684,7 @@ static int selinux_ptrace(struct task_struct *parent, struct task_struct *child) } static int selinux_capget(struct task_struct *target, kernel_cap_t *effective, - kernel_cap_t *inheritable, kernel_cap_t *permitted) + kernel_cap_t *inheritable, kernel_cap_t *permitted) { int error; @@ -1695,7 +1696,7 @@ static int selinux_capget(struct task_struct *target, kernel_cap_t *effective, } static int selinux_capset_check(struct task_struct *target, kernel_cap_t *effective, - kernel_cap_t *inheritable, kernel_cap_t *permitted) + kernel_cap_t *inheritable, kernel_cap_t *permitted) { int error; @@ -1707,7 +1708,7 @@ static int selinux_capset_check(struct task_struct *target, kernel_cap_t *effect } static void selinux_capset_set(struct task_struct *target, kernel_cap_t *effective, - kernel_cap_t *inheritable, kernel_cap_t *permitted) + kernel_cap_t *inheritable, kernel_cap_t *permitted) { secondary_ops->capset_set(target, effective, inheritable, permitted); } @@ -1720,7 +1721,7 @@ static int selinux_capable(struct task_struct *tsk, int cap) if (rc) return rc; - return task_has_capability(tsk,cap); + return task_has_capability(tsk, cap); } 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) char *buffer, *path, *end; rc = -ENOMEM; - buffer = (char*)__get_free_page(GFP_KERNEL); + buffer = (char *)__get_free_page(GFP_KERNEL); if (!buffer) goto out; @@ -1787,7 +1788,7 @@ static int selinux_sysctl(ctl_table *table, int op) /* The op values are "defined" in sysctl.c, thereby creating * a bad coupling between this module and sysctl.c */ - if(op == 001) { + if (op == 001) { error = avc_has_perm(tsec->sid, tsid, SECCLASS_DIR, DIR__SEARCH, NULL); } else { @@ -1799,7 +1800,7 @@ static int selinux_sysctl(ctl_table *table, int op) if (av) error = avc_has_perm(tsec->sid, tsid, SECCLASS_FILE, av, NULL); - } + } return error; } @@ -1812,25 +1813,23 @@ static int selinux_quotactl(int cmds, int type, int id, struct super_block *sb) return 0; switch (cmds) { - case Q_SYNC: - case Q_QUOTAON: - case Q_QUOTAOFF: - case Q_SETINFO: - case Q_SETQUOTA: - rc = superblock_has_perm(current, - sb, - FILESYSTEM__QUOTAMOD, NULL); - break; - case Q_GETFMT: - case Q_GETINFO: - case Q_GETQUOTA: - rc = superblock_has_perm(current, - sb, - FILESYSTEM__QUOTAGET, NULL); - break; - default: - rc = 0; /* let the kernel handle invalid cmds */ - break; + case Q_SYNC: + case Q_QUOTAON: + case Q_QUOTAOFF: + case Q_SETINFO: + case Q_SETQUOTA: + rc = superblock_has_perm(current, sb, FILESYSTEM__QUOTAMOD, + NULL); + break; + case Q_GETFMT: + case Q_GETINFO: + case Q_GETQUOTA: + rc = superblock_has_perm(current, sb, FILESYSTEM__QUOTAGET, + NULL); + break; + default: + rc = 0; /* let the kernel handle invalid cmds */ + break; } return rc; } @@ -1849,23 +1848,23 @@ static int selinux_syslog(int type) return rc; switch (type) { - case 3: /* Read last kernel messages */ - case 10: /* Return size of the log buffer */ - rc = task_has_system(current, SYSTEM__SYSLOG_READ); - break; - case 6: /* Disable logging to console */ - case 7: /* Enable logging to console */ - case 8: /* Set level of messages printed to console */ - rc = task_has_system(current, SYSTEM__SYSLOG_CONSOLE); - break; - case 0: /* Close log */ - case 1: /* Open log */ - case 2: /* Read from log */ - case 4: /* Read/clear last kernel messages */ - case 5: /* Clear ring buffer */ - default: - rc = task_has_system(current, SYSTEM__SYSLOG_MOD); - break; + case 3: /* Read last kernel messages */ + case 10: /* Return size of the log buffer */ + rc = task_has_system(current, SYSTEM__SYSLOG_READ); + break; + case 6: /* Disable logging to console */ + case 7: /* Enable logging to console */ + case 8: /* Set level of messages printed to console */ + rc = task_has_system(current, SYSTEM__SYSLOG_CONSOLE); + break; + case 0: /* Close log */ + case 1: /* Open log */ + case 2: /* Read from log */ + case 4: /* Read/clear last kernel messages */ + case 5: /* Clear ring buffer */ + default: + rc = task_has_system(current, SYSTEM__SYSLOG_MOD); + break; } return rc; } @@ -1971,7 +1970,7 @@ static int selinux_bprm_set_security(struct linux_binprm *bprm) } else { /* Check for a default transition on this program. */ rc = security_transition_sid(tsec->sid, isec->sid, - SECCLASS_PROCESS, &newsid); + SECCLASS_PROCESS, &newsid); if (rc) return rc; } @@ -1982,7 +1981,7 @@ static int selinux_bprm_set_security(struct linux_binprm *bprm) if (bprm->file->f_path.mnt->mnt_flags & MNT_NOSUID) newsid = tsec->sid; - if (tsec->sid == newsid) { + if (tsec->sid == newsid) { rc = avc_has_perm(tsec->sid, isec->sid, SECCLASS_FILE, FILE__EXECUTE_NO_TRANS, &ad); if (rc) @@ -2010,13 +2009,13 @@ static int selinux_bprm_set_security(struct linux_binprm *bprm) return 0; } -static int selinux_bprm_check_security (struct linux_binprm *bprm) +static int selinux_bprm_check_security(struct linux_binprm *bprm) { return secondary_ops->bprm_check_security(bprm); } -static int selinux_bprm_secureexec (struct linux_binprm *bprm) +static int selinux_bprm_secureexec(struct linux_binprm *bprm) { struct task_security_struct *tsec = current->security; int atsecure = 0; @@ -2043,7 +2042,7 @@ extern struct vfsmount *selinuxfs_mount; extern struct dentry *selinux_null; /* Derived from fs/exec.c:flush_old_files. */ -static inline void flush_unauthorized_files(struct files_struct * files) +static inline void flush_unauthorized_files(struct files_struct *files) { struct avc_audit_data ad; struct file *file, *devnull = NULL; @@ -2078,7 +2077,7 @@ static inline void flush_unauthorized_files(struct files_struct * files) /* Revalidate access to inherited open files. */ - AVC_AUDIT_DATA_INIT(&ad,FS); + AVC_AUDIT_DATA_INIT(&ad, FS); spin_lock(&files->file_lock); for (;;) { @@ -2094,7 +2093,7 @@ static inline void flush_unauthorized_files(struct files_struct * files) if (!set) continue; spin_unlock(&files->file_lock); - for ( ; set ; i++,set >>= 1) { + for ( ; set ; i++, set >>= 1) { if (set & 1) { file = fget(i); if (!file) @@ -2251,7 +2250,7 @@ static void selinux_bprm_post_apply_creds(struct linux_binprm *bprm) for (i = 0; i < RLIM_NLIMITS; i++) { rlim = current->signal->rlim + i; initrlim = init_task.signal->rlim+i; - rlim->rlim_cur = min(rlim->rlim_max,initrlim->rlim_cur); + rlim->rlim_cur = min(rlim->rlim_max, initrlim->rlim_cur); } if (current->signal->rlim[RLIMIT_CPU].rlim_cur != RLIM_INFINITY) { /* @@ -2306,16 +2305,15 @@ static inline void take_option(char **to, char *from, int *first, int len) *to += len; } -static inline void take_selinux_option(char **to, char *from, int *first, - int len) +static inline void take_selinux_option(char **to, char *from, int *first, + int len) { int current_size = 0; if (!*first) { **to = '|'; *to += 1; - } - else + } else *first = 0; while (current_size < len) { @@ -2379,7 +2377,7 @@ static int selinux_sb_kern_mount(struct super_block *sb, void *data) if (rc) return rc; - AVC_AUDIT_DATA_INIT(&ad,FS); + AVC_AUDIT_DATA_INIT(&ad, FS); ad.u.fs.path.dentry = sb->s_root; return superblock_has_perm(current, sb, FILESYSTEM__MOUNT, &ad); } @@ -2388,16 +2386,16 @@ static int selinux_sb_statfs(struct dentry *dentry) { struct avc_audit_data ad; - AVC_AUDIT_DATA_INIT(&ad,FS); + AVC_AUDIT_DATA_INIT(&ad, FS); ad.u.fs.path.dentry = dentry->d_sb->s_root; return superblock_has_perm(current, dentry->d_sb, FILESYSTEM__GETATTR, &ad); } -static int selinux_mount(char * dev_name, - struct nameidata *nd, - char * type, - unsigned long flags, - void * data) +static int selinux_mount(char *dev_name, + struct nameidata *nd, + char *type, + unsigned long flags, + void *data) { int rc; @@ -2407,10 +2405,10 @@ static int selinux_mount(char * dev_name, if (flags & MS_REMOUNT) return superblock_has_perm(current, nd->path.mnt->mnt_sb, - FILESYSTEM__REMOUNT, NULL); + FILESYSTEM__REMOUNT, NULL); else return dentry_has_perm(current, nd->path.mnt, nd->path.dentry, - FILE__MOUNTON); + FILE__MOUNTON); } static int selinux_umount(struct vfsmount *mnt, int flags) @@ -2421,8 +2419,8 @@ static int selinux_umount(struct vfsmount *mnt, int flags) if (rc) return rc; - return superblock_has_perm(current,mnt->mnt_sb, - FILESYSTEM__UNMOUNT,NULL); + return superblock_has_perm(current, mnt->mnt_sb, + FILESYSTEM__UNMOUNT, NULL); } /* inode security operations */ @@ -2508,7 +2506,7 @@ static int selinux_inode_link(struct dentry *old_dentry, struct inode *dir, stru { int rc; - rc = secondary_ops->inode_link(old_dentry,dir,new_dentry); + rc = secondary_ops->inode_link(old_dentry, dir, new_dentry); if (rc) return rc; 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 } static int selinux_inode_rename(struct inode *old_inode, struct dentry *old_dentry, - struct inode *new_inode, struct dentry *new_dentry) + struct inode *new_inode, struct dentry *new_dentry) { return may_rename(old_inode, old_dentry, new_inode, new_dentry); } @@ -2565,7 +2563,7 @@ static int selinux_inode_follow_link(struct dentry *dentry, struct nameidata *na { int rc; - rc = secondary_ops->inode_follow_link(dentry,nameidata); + rc = secondary_ops->inode_follow_link(dentry, nameidata); if (rc) return rc; 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 if (!is_owner_or_cap(inode)) return -EPERM; - AVC_AUDIT_DATA_INIT(&ad,FS); + AVC_AUDIT_DATA_INIT(&ad, FS); ad.u.fs.path.dentry = dentry; 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 return rc; rc = security_validate_transition(isec->sid, newsid, tsec->sid, - isec->sclass); + isec->sclass); if (rc) return rc; @@ -2681,7 +2679,7 @@ static int selinux_inode_setxattr(struct dentry *dentry, char *name, void *value } static void selinux_inode_post_setxattr(struct dentry *dentry, char *name, - void *value, size_t size, int flags) + void *value, size_t size, int flags) { struct inode *inode = dentry->d_inode; struct inode_security_struct *isec = inode->i_security; @@ -2704,17 +2702,17 @@ static void selinux_inode_post_setxattr(struct dentry *dentry, char *name, return; } -static int selinux_inode_getxattr (struct dentry *dentry, char *name) +static int selinux_inode_getxattr(struct dentry *dentry, char *name) { return dentry_has_perm(current, NULL, dentry, FILE__GETATTR); } -static int selinux_inode_listxattr (struct dentry *dentry) +static int selinux_inode_listxattr(struct dentry *dentry) { return dentry_has_perm(current, NULL, dentry, FILE__GETATTR); } -static int selinux_inode_removexattr (struct dentry *dentry, char *name) +static int selinux_inode_removexattr(struct dentry *dentry, char *name) { if (strcmp(name, XATTR_NAME_SELINUX)) return selinux_inode_setotherxattr(dentry, name); @@ -2755,7 +2753,7 @@ out_nofree: } static int selinux_inode_setsecurity(struct inode *inode, const char *name, - const void *value, size_t size, int flags) + const void *value, size_t size, int flags) { struct inode_security_struct *isec = inode->i_security; u32 newsid; @@ -2767,7 +2765,7 @@ static int selinux_inode_setsecurity(struct inode *inode, const char *name, if (!value || !size) return -EACCES; - rc = security_context_to_sid((void*)value, size, &newsid); + rc = security_context_to_sid((void *)value, size, &newsid); if (rc) return rc; @@ -2858,42 +2856,41 @@ static int selinux_file_ioctl(struct file *file, unsigned int cmd, int error = 0; switch (cmd) { - case FIONREAD: - /* fall through */ - case FIBMAP: - /* fall through */ - case FIGETBSZ: - /* fall through */ - case EXT2_IOC_GETFLAGS: - /* fall through */ - case EXT2_IOC_GETVERSION: - error = file_has_perm(current, file, FILE__GETATTR); - break; - - case EXT2_IOC_SETFLAGS: - /* fall through */ - case EXT2_IOC_SETVERSION: - error = file_has_perm(current, file, FILE__SETATTR); - break; + case FIONREAD: + /* fall through */ + case FIBMAP: + /* fall through */ + case FIGETBSZ: + /* fall through */ + case EXT2_IOC_GETFLAGS: + /* fall through */ + case EXT2_IOC_GETVERSION: + error = file_has_perm(current, file, FILE__GETATTR); + break; - /* sys_ioctl() checks */ - case FIONBIO: - /* fall through */ - case FIOASYNC: - error = file_has_perm(current, file, 0); - break; + case EXT2_IOC_SETFLAGS: + /* fall through */ + case EXT2_IOC_SETVERSION: + error = file_has_perm(current, file, FILE__SETATTR); + break; - case KDSKBENT: - case KDSKBSENT: - error = task_has_capability(current,CAP_SYS_TTY_CONFIG); - break; + /* sys_ioctl() checks */ + case FIONBIO: + /* fall through */ + case FIOASYNC: + error = file_has_perm(current, file, 0); + break; - /* default case assumes that the command will go - * to the file's ioctl() function. - */ - default: - error = file_has_perm(current, file, FILE__IOCTL); + case KDSKBENT: + case KDSKBSENT: + error = task_has_capability(current, CAP_SYS_TTY_CONFIG); + break; + /* default case assumes that the command will go + * to the file's ioctl() function. + */ + default: + error = file_has_perm(current, file, FILE__IOCTL); } return error; } @@ -2934,7 +2931,7 @@ static int selinux_file_mmap(struct file *file, unsigned long reqprot, unsigned long addr, unsigned long addr_only) { int rc = 0; - u32 sid = ((struct task_security_struct*)(current->security))->sid; + u32 sid = ((struct task_security_struct *)(current->security))->sid; if (addr < mmap_min_addr) rc = avc_has_perm(sid, sid, SECCLASS_MEMPROTECT, @@ -3003,39 +3000,39 @@ static int selinux_file_fcntl(struct file *file, unsigned int cmd, int err = 0; switch (cmd) { - case F_SETFL: - if (!file->f_path.dentry || !file->f_path.dentry->d_inode) { - err = -EINVAL; - break; - } + case F_SETFL: + if (!file->f_path.dentry || !file->f_path.dentry->d_inode) { + err = -EINVAL; + break; + } - if ((file->f_flags & O_APPEND) && !(arg & O_APPEND)) { - err = file_has_perm(current, file,FILE__WRITE); - break; - } - /* fall through */ - case F_SETOWN: - case F_SETSIG: - case F_GETFL: - case F_GETOWN: - case F_GETSIG: - /* Just check FD__USE permission */ - err = file_has_perm(current, file, 0); + if ((file->f_flags & O_APPEND) && !(arg & O_APPEND)) { + err = file_has_perm(current, file, FILE__WRITE); break; - case F_GETLK: - case F_SETLK: - case F_SETLKW: + } + /* fall through */ + case F_SETOWN: + case F_SETSIG: + case F_GETFL: + case F_GETOWN: + case F_GETSIG: + /* Just check FD__USE permission */ + err = file_has_perm(current, file, 0); + break; + case F_GETLK: + case F_SETLK: + case F_SETLKW: #if BITS_PER_LONG == 32 - case F_GETLK64: - case F_SETLK64: - case F_SETLKW64: + case F_GETLK64: + case F_SETLK64: + case F_SETLKW64: #endif - if (!file->f_path.dentry || !file->f_path.dentry->d_inode) { - err = -EINVAL; - break; - } - err = file_has_perm(current, file, FILE__LOCK); + if (!file->f_path.dentry || !file->f_path.dentry->d_inode) { + err = -EINVAL; break; + } + err = file_has_perm(current, file, FILE__LOCK); + break; } return err; @@ -3056,13 +3053,13 @@ static int selinux_file_set_fowner(struct file *file) static int selinux_file_send_sigiotask(struct task_struct *tsk, struct fown_struct *fown, int signum) { - struct file *file; + struct file *file; u32 perm; struct task_security_struct *tsec; struct file_security_struct *fsec; /* struct fown_struct is never outside the context of a struct file */ - file = container_of(fown, struct file, f_owner); + file = container_of(fown, struct file, f_owner); tsec = tsk->security; fsec = file->f_security; @@ -3164,7 +3161,7 @@ static int selinux_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags) static int selinux_task_post_setuid(uid_t id0, uid_t id1, uid_t id2, int flags) { - return secondary_ops->task_post_setuid(id0,id1,id2,flags); + return secondary_ops->task_post_setuid(id0, id1, id2, flags); } 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) if (rc) return rc; - return task_has_perm(current,p, PROCESS__SETSCHED); + return task_has_perm(current, p, PROCESS__SETSCHED); } static int selinux_task_setioprio(struct task_struct *p, int ioprio) @@ -3312,7 +3309,7 @@ static int selinux_task_wait(struct task_struct *p) static void selinux_task_reparent_to_init(struct task_struct *p) { - struct task_security_struct *tsec; + struct task_security_struct *tsec; secondary_ops->task_reparent_to_init(p); @@ -3357,11 +3354,11 @@ static int selinux_parse_skb_ipv4(struct sk_buff *skb, *proto = ih->protocol; switch (ih->protocol) { - case IPPROTO_TCP: { - struct tcphdr _tcph, *th; + case IPPROTO_TCP: { + struct tcphdr _tcph, *th; - if (ntohs(ih->frag_off) & IP_OFFSET) - break; + if (ntohs(ih->frag_off) & IP_OFFSET) + break; offset += ihlen; th = skb_header_pointer(skb, offset, sizeof(_tcph), &_tcph); @@ -3371,23 +3368,23 @@ static int selinux_parse_skb_ipv4(struct sk_buff *skb, ad->u.net.sport = th->source; ad->u.net.dport = th->dest; break; - } - - case IPPROTO_UDP: { - struct udphdr _udph, *uh; - - if (ntohs(ih->frag_off) & IP_OFFSET) - break; - + } + + case IPPROTO_UDP: { + struct udphdr _udph, *uh; + + if (ntohs(ih->frag_off) & IP_OFFSET) + break; + offset += ihlen; - uh = skb_header_pointer(skb, offset, sizeof(_udph), &_udph); + uh = skb_header_pointer(skb, offset, sizeof(_udph), &_udph); if (uh == NULL) - break; + break; - ad->u.net.sport = uh->source; - ad->u.net.dport = uh->dest; - break; - } + ad->u.net.sport = uh->source; + ad->u.net.dport = uh->dest; + break; + } case IPPROTO_DCCP: { struct dccp_hdr _dccph, *dh; @@ -3403,11 +3400,11 @@ static int selinux_parse_skb_ipv4(struct sk_buff *skb, ad->u.net.sport = dh->dccph_sport; ad->u.net.dport = dh->dccph_dport; break; - } + } - default: - break; - } + default: + break; + } out: return ret; } @@ -3442,7 +3439,7 @@ static int selinux_parse_skb_ipv6(struct sk_buff *skb, switch (nexthdr) { case IPPROTO_TCP: { - struct tcphdr _tcph, *th; + struct tcphdr _tcph, *th; th = skb_header_pointer(skb, offset, sizeof(_tcph), &_tcph); if (th == NULL) @@ -3475,7 +3472,7 @@ static int selinux_parse_skb_ipv6(struct sk_buff *skb, ad->u.net.sport = dh->dccph_sport; ad->u.net.dport = dh->dccph_dport; break; - } + } /* includes fragments */ default: @@ -3573,7 +3570,7 @@ static int socket_has_perm(struct task_struct *task, struct socket *sock, if (isec->sid == SECINITSID_KERNEL) goto out; - AVC_AUDIT_DATA_INIT(&ad,NET); + AVC_AUDIT_DATA_INIT(&ad, NET); ad.u.net.sk = sock->sk; err = avc_has_perm(tsec->sid, isec->sid, isec->sclass, perms, &ad); @@ -3683,7 +3680,7 @@ static int selinux_socket_bind(struct socket *sock, struct sockaddr *address, in snum, &sid); if (err) goto out; - AVC_AUDIT_DATA_INIT(&ad,NET); + AVC_AUDIT_DATA_INIT(&ad, NET); ad.u.net.sport = htons(snum); ad.u.net.family = family; err = avc_has_perm(isec->sid, sid, @@ -3693,12 +3690,12 @@ static int selinux_socket_bind(struct socket *sock, struct sockaddr *address, in goto out; } } - - switch(isec->sclass) { + + switch (isec->sclass) { case SECCLASS_TCP_SOCKET: node_perm = TCP_SOCKET__NODE_BIND; break; - + case SECCLASS_UDP_SOCKET: node_perm = UDP_SOCKET__NODE_BIND; break; @@ -3711,12 +3708,12 @@ static int selinux_socket_bind(struct socket *sock, struct sockaddr *address, in node_perm = RAWIP_SOCKET__NODE_BIND; break; } - + err = sel_netnode_sid(addrp, family, &sid); if (err) goto out; - - AVC_AUDIT_DATA_INIT(&ad,NET); + + AVC_AUDIT_DATA_INIT(&ad, NET); ad.u.net.sport = htons(snum); ad.u.net.family = family; @@ -3726,7 +3723,7 @@ static int selinux_socket_bind(struct socket *sock, struct sockaddr *address, in ipv6_addr_copy(&ad.u.net.v6info.saddr, &addr6->sin6_addr); err = avc_has_perm(isec->sid, sid, - isec->sclass, node_perm, &ad); + isec->sclass, node_perm, &ad); if (err) goto out; } @@ -3775,7 +3772,7 @@ static int selinux_socket_connect(struct socket *sock, struct sockaddr *address, perm = (isec->sclass == SECCLASS_TCP_SOCKET) ? TCP_SOCKET__NAME_CONNECT : DCCP_SOCKET__NAME_CONNECT; - AVC_AUDIT_DATA_INIT(&ad,NET); + AVC_AUDIT_DATA_INIT(&ad, NET); ad.u.net.dport = htons(snum); ad.u.net.family = sk->sk_family; 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) } static int selinux_socket_sendmsg(struct socket *sock, struct msghdr *msg, - int size) + int size) { int rc; @@ -3840,7 +3837,7 @@ static int selinux_socket_getpeername(struct socket *sock) return socket_has_perm(current, sock, SOCKET__GETATTR); } -static int selinux_socket_setsockopt(struct socket *sock,int level,int optname) +static int selinux_socket_setsockopt(struct socket *sock, int level, int optname) { int err; @@ -3879,7 +3876,7 @@ static int selinux_socket_unix_stream_connect(struct socket *sock, isec = SOCK_INODE(sock)->i_security; other_isec = SOCK_INODE(other)->i_security; - AVC_AUDIT_DATA_INIT(&ad,NET); + AVC_AUDIT_DATA_INIT(&ad, NET); ad.u.net.sk = other->sk; err = avc_has_perm(isec->sid, other_isec->sid, @@ -3891,7 +3888,7 @@ static int selinux_socket_unix_stream_connect(struct socket *sock, /* connecting socket */ ssec = sock->sk->sk_security; ssec->peer_sid = other_isec->sid; - + /* server child socket */ ssec = newsk->sk_security; ssec->peer_sid = isec->sid; @@ -3911,7 +3908,7 @@ static int selinux_socket_unix_may_send(struct socket *sock, isec = SOCK_INODE(sock)->i_security; other_isec = SOCK_INODE(other)->i_security; - AVC_AUDIT_DATA_INIT(&ad,NET); + AVC_AUDIT_DATA_INIT(&ad, NET); ad.u.net.sk = other->sk; err = avc_has_perm(isec->sid, other_isec->sid, @@ -3989,7 +3986,7 @@ static int selinux_sock_rcv_skb_iptables_compat(struct sock *sk, err = avc_has_perm(sk_sid, if_sid, SECCLASS_NETIF, netif_perm, ad); if (err) return err; - + err = sel_netnode_sid(addrp, family, &node_sid); if (err) return err; @@ -4140,7 +4137,7 @@ out_len: err = -EFAULT; kfree(scontext); -out: +out: return err; } @@ -4201,7 +4198,7 @@ static void selinux_sk_getsecid(struct sock *sk, u32 *secid) } } -static void selinux_sock_graft(struct sock* sk, struct socket *parent) +static void selinux_sock_graft(struct sock *sk, struct socket *parent) { struct inode_security_struct *isec = SOCK_INODE(parent)->i_security; struct sk_security_struct *sksec = sk->sk_security; @@ -4278,13 +4275,13 @@ static int selinux_nlmsg_perm(struct sock *sk, struct sk_buff *skb) struct nlmsghdr *nlh; struct socket *sock = sk->sk_socket; struct inode_security_struct *isec = SOCK_INODE(sock)->i_security; - + if (skb->len < NLMSG_SPACE(0)) { err = -EINVAL; goto out; } nlh = nlmsg_hdr(skb); - + err = selinux_nlmsg_lookup(isec->sclass, nlh->nlmsg_type, &perm); if (err) { if (err == -EINVAL) { @@ -4410,7 +4407,7 @@ static int selinux_ip_postroute_iptables_compat(struct sock *sk, return err; err = avc_has_perm(sk_sid, if_sid, SECCLASS_NETIF, netif_perm, ad); return err; - + err = sel_netnode_sid(addrp, family, &node_sid); if (err) return err; @@ -4593,7 +4590,7 @@ static int selinux_netlink_recv(struct sk_buff *skb, int capability) ad.u.cap = capability; return avc_has_perm(NETLINK_CB(skb).sid, NETLINK_CB(skb).sid, - SECCLASS_CAPABILITY, CAP_TO_MASK(capability), &ad); + SECCLASS_CAPABILITY, CAP_TO_MASK(capability), &ad); } static int ipc_alloc_security(struct task_struct *task, @@ -4685,7 +4682,7 @@ static int selinux_msg_queue_alloc_security(struct msg_queue *msq) isec = msq->q_perm.security; AVC_AUDIT_DATA_INIT(&ad, IPC); - ad.u.ipc_id = msq->q_perm.key; + ad.u.ipc_id = msq->q_perm.key; rc = avc_has_perm(tsec->sid, isec->sid, SECCLASS_MSGQ, MSGQ__CREATE, &ad); @@ -4722,7 +4719,7 @@ static int selinux_msg_queue_msgctl(struct msg_queue *msq, int cmd) int err; int perms; - switch(cmd) { + switch (cmd) { case IPC_INFO: case MSG_INFO: /* 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, msec = msg->security; AVC_AUDIT_DATA_INIT(&ad, IPC); - ad.u.ipc_id = msq->q_perm.key; + ad.u.ipc_id = msq->q_perm.key; rc = avc_has_perm(tsec->sid, isec->sid, SECCLASS_MSGQ, MSGQ__READ, &ad); @@ -4832,7 +4829,7 @@ static int selinux_shm_alloc_security(struct shmid_kernel *shp) isec = shp->shm_perm.security; AVC_AUDIT_DATA_INIT(&ad, IPC); - ad.u.ipc_id = shp->shm_perm.key; + ad.u.ipc_id = shp->shm_perm.key; rc = avc_has_perm(tsec->sid, isec->sid, SECCLASS_SHM, SHM__CREATE, &ad); @@ -4870,7 +4867,7 @@ static int selinux_shm_shmctl(struct shmid_kernel *shp, int cmd) int perms; int err; - switch(cmd) { + switch (cmd) { case IPC_INFO: case SHM_INFO: /* No specific object, just general system-wide information. */ @@ -4931,7 +4928,7 @@ static int selinux_sem_alloc_security(struct sem_array *sma) isec = sma->sem_perm.security; AVC_AUDIT_DATA_INIT(&ad, IPC); - ad.u.ipc_id = sma->sem_perm.key; + ad.u.ipc_id = sma->sem_perm.key; rc = avc_has_perm(tsec->sid, isec->sid, SECCLASS_SEM, SEM__CREATE, &ad); @@ -4969,7 +4966,7 @@ static int selinux_sem_semctl(struct sem_array *sma, int cmd) int err; u32 perms; - switch(cmd) { + switch (cmd) { case IPC_INFO: case SEM_INFO: /* No specific object, just general system-wide information. */ @@ -5041,13 +5038,13 @@ static void selinux_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) } /* module stacking operations */ -static int selinux_register_security (const char *name, struct security_operations *ops) +static int selinux_register_security(const char *name, struct security_operations *ops) { if (secondary_ops != original_ops) { printk(KERN_ERR "%s: There is already a secondary security " "module registered.\n", __func__); return -EINVAL; - } + } secondary_ops = ops; @@ -5058,7 +5055,7 @@ static int selinux_register_security (const char *name, struct security_operatio return 0; } -static void selinux_d_instantiate (struct dentry *dentry, struct inode *inode) +static void selinux_d_instantiate(struct dentry *dentry, struct inode *inode) { if (inode) inode_doinit_with_dentry(inode, dentry); @@ -5186,11 +5183,11 @@ static int selinux_setprocattr(struct task_struct *p, } while_each_thread(g, t); read_unlock(&tasklist_lock); - } + } /* Check permissions for the transition. */ error = avc_has_perm(tsec->sid, sid, SECCLASS_PROCESS, - PROCESS__DYNTRANSITION, NULL); + PROCESS__DYNTRANSITION, NULL); if (error) return error; @@ -5218,8 +5215,7 @@ static int selinux_setprocattr(struct task_struct *p, tsec->sid = sid; task_unlock(p); } - } - else + } else return -EINVAL; return size; @@ -5309,7 +5305,7 @@ static struct security_operations selinux_ops = { .vm_enough_memory = selinux_vm_enough_memory, .netlink_send = selinux_netlink_send, - .netlink_recv = selinux_netlink_recv, + .netlink_recv = selinux_netlink_recv, .bprm_alloc_security = selinux_bprm_alloc_security, .bprm_free_security = selinux_bprm_free_security, @@ -5322,13 +5318,13 @@ static struct security_operations selinux_ops = { .sb_alloc_security = selinux_sb_alloc_security, .sb_free_security = selinux_sb_free_security, .sb_copy_data = selinux_sb_copy_data, - .sb_kern_mount = selinux_sb_kern_mount, + .sb_kern_mount = selinux_sb_kern_mount, .sb_statfs = selinux_sb_statfs, .sb_mount = selinux_mount, .sb_umount = selinux_umount, .sb_get_mnt_opts = selinux_get_mnt_opts, .sb_set_mnt_opts = selinux_set_mnt_opts, - .sb_clone_mnt_opts = selinux_sb_clone_mnt_opts, + .sb_clone_mnt_opts = selinux_sb_clone_mnt_opts, .sb_parse_opts_str = selinux_parse_opts_str, @@ -5353,9 +5349,9 @@ static struct security_operations selinux_ops = { .inode_getxattr = selinux_inode_getxattr, .inode_listxattr = selinux_inode_listxattr, .inode_removexattr = selinux_inode_removexattr, - .inode_getsecurity = selinux_inode_getsecurity, - .inode_setsecurity = selinux_inode_setsecurity, - .inode_listsecurity = selinux_inode_listsecurity, + .inode_getsecurity = selinux_inode_getsecurity, + .inode_setsecurity = selinux_inode_setsecurity, + .inode_listsecurity = selinux_inode_listsecurity, .inode_need_killpriv = selinux_inode_need_killpriv, .inode_killpriv = selinux_inode_killpriv, .inode_getsecid = selinux_inode_getsecid, @@ -5372,7 +5368,7 @@ static struct security_operations selinux_ops = { .file_send_sigiotask = selinux_file_send_sigiotask, .file_receive = selinux_file_receive, - .dentry_open = selinux_dentry_open, + .dentry_open = selinux_dentry_open, .task_create = selinux_task_create, .task_alloc_security = selinux_task_alloc_security, @@ -5382,7 +5378,7 @@ static struct security_operations selinux_ops = { .task_setgid = selinux_task_setgid, .task_setpgid = selinux_task_setpgid, .task_getpgid = selinux_task_getpgid, - .task_getsid = selinux_task_getsid, + .task_getsid = selinux_task_getsid, .task_getsecid = selinux_task_getsecid, .task_setgroups = selinux_task_setgroups, .task_setnice = selinux_task_setnice, @@ -5396,7 +5392,7 @@ static struct security_operations selinux_ops = { .task_wait = selinux_task_wait, .task_prctl = selinux_task_prctl, .task_reparent_to_init = selinux_task_reparent_to_init, - .task_to_inode = selinux_task_to_inode, + .task_to_inode = selinux_task_to_inode, .ipc_permission = selinux_ipc_permission, .ipc_getsecid = selinux_ipc_getsecid, @@ -5417,24 +5413,24 @@ static struct security_operations selinux_ops = { .shm_shmctl = selinux_shm_shmctl, .shm_shmat = selinux_shm_shmat, - .sem_alloc_security = selinux_sem_alloc_security, - .sem_free_security = selinux_sem_free_security, + .sem_alloc_security = selinux_sem_alloc_security, + .sem_free_security = selinux_sem_free_security, .sem_associate = selinux_sem_associate, .sem_semctl = selinux_sem_semctl, .sem_semop = selinux_sem_semop, .register_security = selinux_register_security, - .d_instantiate = selinux_d_instantiate, + .d_instantiate = selinux_d_instantiate, - .getprocattr = selinux_getprocattr, - .setprocattr = selinux_setprocattr, + .getprocattr = selinux_getprocattr, + .setprocattr = selinux_setprocattr, .secid_to_secctx = selinux_secid_to_secctx, .secctx_to_secid = selinux_secctx_to_secid, .release_secctx = selinux_release_secctx, - .unix_stream_connect = selinux_socket_unix_stream_connect, + .unix_stream_connect = selinux_socket_unix_stream_connect, .unix_may_send = selinux_socket_unix_may_send, .socket_create = selinux_socket_create, @@ -5456,7 +5452,7 @@ static struct security_operations selinux_ops = { .sk_alloc_security = selinux_sk_alloc_security, .sk_free_security = selinux_sk_free_security, .sk_clone_security = selinux_sk_clone_security, - .sk_getsecid = selinux_sk_getsecid, + .sk_getsecid = selinux_sk_getsecid, .sock_graft = selinux_sock_graft, .inet_conn_request = selinux_inet_conn_request, .inet_csk_clone = selinux_inet_csk_clone, @@ -5471,15 +5467,15 @@ static struct security_operations selinux_ops = { .xfrm_state_alloc_security = selinux_xfrm_state_alloc, .xfrm_state_free_security = selinux_xfrm_state_free, .xfrm_state_delete_security = selinux_xfrm_state_delete, - .xfrm_policy_lookup = selinux_xfrm_policy_lookup, + .xfrm_policy_lookup = selinux_xfrm_policy_lookup, .xfrm_state_pol_flow_match = selinux_xfrm_state_pol_flow_match, .xfrm_decode_session = selinux_xfrm_decode_session, #endif #ifdef CONFIG_KEYS - .key_alloc = selinux_key_alloc, - .key_free = selinux_key_free, - .key_permission = selinux_key_permission, + .key_alloc = selinux_key_alloc, + .key_free = selinux_key_free, + .key_permission = selinux_key_permission, #endif #ifdef CONFIG_AUDIT @@ -5519,15 +5515,14 @@ static __init int selinux_init(void) original_ops = secondary_ops = security_ops; if (!secondary_ops) - panic ("SELinux: No initial security operations\n"); - if (register_security (&selinux_ops)) + panic("SELinux: No initial security operations\n"); + if (register_security(&selinux_ops)) panic("SELinux: Unable to register with kernel.\n"); - if (selinux_enforcing) { + if (selinux_enforcing) printk(KERN_DEBUG "SELinux: Starting in enforcing mode\n"); - } else { + else printk(KERN_DEBUG "SELinux: Starting in permissive mode\n"); - } #ifdef CONFIG_KEYS /* Add security information to initial keyrings */ @@ -5552,8 +5547,8 @@ next_sb: if (!list_empty(&superblock_security_head)) { struct superblock_security_struct *sbsec = list_entry(superblock_security_head.next, - struct superblock_security_struct, - list); + struct superblock_security_struct, + list); struct super_block *sb = sbsec->sb; sb->s_count++; spin_unlock(&sb_security_lock); @@ -5672,10 +5667,11 @@ static void selinux_nf_ip_exit(void) #endif /* CONFIG_NETFILTER */ #ifdef CONFIG_SECURITY_SELINUX_DISABLE +static int selinux_disabled; + int selinux_disable(void) { extern void exit_sel_fs(void); - static int selinux_disabled = 0; if (ss_initialized) { /* Not permitted after initial policy load. */ diff --git a/security/selinux/netif.c b/security/selinux/netif.c index 9c8a82a..c658b84 100644 --- a/security/selinux/netif.c +++ b/security/selinux/netif.c @@ -8,7 +8,7 @@ * * Copyright (C) 2003 Red Hat, Inc., James Morris <jmorris@redhat.com> * Copyright (C) 2007 Hewlett-Packard Development Company, L.P. - * Paul Moore <paul.moore@hp.com> + * Paul Moore <paul.moore@hp.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2, @@ -31,8 +31,7 @@ #define SEL_NETIF_HASH_SIZE 64 #define SEL_NETIF_HASH_MAX 1024 -struct sel_netif -{ +struct sel_netif { struct list_head list; struct netif_security_struct nsec; struct rcu_head rcu_head; @@ -92,10 +91,10 @@ static inline struct sel_netif *sel_netif_find(int ifindex) static int sel_netif_insert(struct sel_netif *netif) { int idx; - + if (sel_netif_total >= SEL_NETIF_HASH_MAX) return -ENOSPC; - + idx = sel_netif_hashfn(netif->nsec.ifindex); list_add_rcu(&netif->list, &sel_netif_hash[idx]); sel_netif_total++; @@ -267,7 +266,7 @@ static void sel_netif_flush(void) } static int sel_netif_avc_callback(u32 event, u32 ssid, u32 tsid, - u16 class, u32 perms, u32 *retained) + u16 class, u32 perms, u32 *retained) { if (event == AVC_CALLBACK_RESET) { sel_netif_flush(); @@ -277,7 +276,7 @@ static int sel_netif_avc_callback(u32 event, u32 ssid, u32 tsid, } static int sel_netif_netdev_notifier_handler(struct notifier_block *this, - unsigned long event, void *ptr) + unsigned long event, void *ptr) { struct net_device *dev = ptr; @@ -297,7 +296,7 @@ static struct notifier_block sel_netif_netdev_notifier = { static __init int sel_netif_init(void) { int i, err; - + if (!selinux_enabled) return 0; @@ -305,9 +304,9 @@ static __init int sel_netif_init(void) INIT_LIST_HEAD(&sel_netif_hash[i]); register_netdevice_notifier(&sel_netif_netdev_notifier); - + err = avc_add_callback(sel_netif_avc_callback, AVC_CALLBACK_RESET, - SECSID_NULL, SECSID_NULL, SECCLASS_NULL, 0); + SECSID_NULL, SECSID_NULL, SECCLASS_NULL, 0); if (err) panic("avc_add_callback() failed, error %d\n", err); diff --git a/security/selinux/netlabel.c b/security/selinux/netlabel.c index e8ee91a..89b41839 100644 --- a/security/selinux/netlabel.c +++ b/security/selinux/netlabel.c @@ -118,7 +118,7 @@ void selinux_netlbl_cache_invalidate(void) void selinux_netlbl_sk_security_reset(struct sk_security_struct *ssec, int family) { - if (family == PF_INET) + if (family == PF_INET) ssec->nlbl_state = NLBL_REQUIRE; else ssec->nlbl_state = NLBL_UNSET; diff --git a/security/selinux/netlink.c b/security/selinux/netlink.c index 6214a7a..1ae5564 100644 --- a/security/selinux/netlink.c +++ b/security/selinux/netlink.c @@ -24,16 +24,16 @@ static struct sock *selnl; static int selnl_msglen(int msgtype) { int ret = 0; - + switch (msgtype) { case SELNL_MSG_SETENFORCE: ret = sizeof(struct selnl_msg_setenforce); break; - + case SELNL_MSG_POLICYLOAD: ret = sizeof(struct selnl_msg_policyload); break; - + default: BUG(); } @@ -45,15 +45,15 @@ static void selnl_add_payload(struct nlmsghdr *nlh, int len, int msgtype, void * switch (msgtype) { case SELNL_MSG_SETENFORCE: { struct selnl_msg_setenforce *msg = NLMSG_DATA(nlh); - + memset(msg, 0, len); msg->val = *((int *)data); break; } - + case SELNL_MSG_POLICYLOAD: { struct selnl_msg_policyload *msg = NLMSG_DATA(nlh); - + memset(msg, 0, len); msg->seqno = *((u32 *)data); break; @@ -70,9 +70,9 @@ static void selnl_notify(int msgtype, void *data) sk_buff_data_t tmp; struct sk_buff *skb; struct nlmsghdr *nlh; - + len = selnl_msglen(msgtype); - + skb = alloc_skb(NLMSG_SPACE(len), GFP_USER); if (!skb) goto oom; @@ -85,7 +85,7 @@ static void selnl_notify(int msgtype, void *data) netlink_broadcast(selnl, skb, 0, SELNLGRP_AVC, GFP_USER); out: return; - + nlmsg_failure: kfree_skb(skb); oom: @@ -109,7 +109,7 @@ static int __init selnl_init(void) SELNLGRP_MAX, NULL, NULL, THIS_MODULE); if (selnl == NULL) panic("SELinux: Cannot create netlink socket."); - netlink_set_nonroot(NETLINK_SELINUX, NL_NONROOT_RECV); + netlink_set_nonroot(NETLINK_SELINUX, NL_NONROOT_RECV); return 0; } diff --git a/security/selinux/netnode.c b/security/selinux/netnode.c index f3c526f..2edc4c5 100644 --- a/security/selinux/netnode.c +++ b/security/selinux/netnode.c @@ -344,7 +344,7 @@ static __init int sel_netnode_init(void) INIT_LIST_HEAD(&sel_netnode_hash[iter]); ret = avc_add_callback(sel_netnode_avc_callback, AVC_CALLBACK_RESET, - SECSID_NULL, SECSID_NULL, SECCLASS_NULL, 0); + SECSID_NULL, SECSID_NULL, SECCLASS_NULL, 0); if (ret != 0) panic("avc_add_callback() failed, error %d\n", ret); diff --git a/security/selinux/nlmsgtab.c b/security/selinux/nlmsgtab.c index eddc7b4..ff59c0c 100644 --- a/security/selinux/nlmsgtab.c +++ b/security/selinux/nlmsgtab.c @@ -23,8 +23,7 @@ #include "flask.h" #include "av_permissions.h" -struct nlmsg_perm -{ +struct nlmsg_perm { u16 nlmsg_type; u32 perm; }; @@ -159,7 +158,7 @@ int selinux_nlmsg_lookup(u16 sclass, u16 nlmsg_type, u32 *perm) if ((nlmsg_type >= AUDIT_FIRST_USER_MSG && nlmsg_type <= AUDIT_LAST_USER_MSG) || (nlmsg_type >= AUDIT_FIRST_USER_MSG2 && - nlmsg_type <= AUDIT_LAST_USER_MSG2)) { + nlmsg_type <= AUDIT_LAST_USER_MSG2)) { *perm = NETLINK_AUDIT_SOCKET__NLMSG_RELAY; } else { err = nlmsg_perm(nlmsg_type, perm, nlmsg_audit_perms, diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c index 7b68169..ac1ccc1 100644 --- a/security/selinux/selinuxfs.c +++ b/security/selinux/selinuxfs.c @@ -1,16 +1,16 @@ /* Updated: Karl MacMillan <kmacmillan@tresys.com> * - * Added conditional policy language extensions + * Added conditional policy language extensions * * Updated: Hewlett-Packard <paul.moore@hp.com> * - * Added support for the policy capability bitmap + * Added support for the policy capability bitmap * * Copyright (C) 2007 Hewlett-Packard Development Company, L.P. * Copyright (C) 2003 - 2004 Tresys Technology, LLC * Copyright (C) 2004 Red Hat, Inc., James Morris <jmorris@redhat.com> * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by + * it under the terms of the GNU General Public License as published by * the Free Software Foundation, version 2. */ @@ -57,14 +57,14 @@ int selinux_compat_net = SELINUX_COMPAT_NET_VALUE; static int __init checkreqprot_setup(char *str) { - selinux_checkreqprot = simple_strtoul(str,NULL,0) ? 1 : 0; + selinux_checkreqprot = simple_strtoul(str, NULL, 0) ? 1 : 0; return 1; } __setup("checkreqprot=", checkreqprot_setup); static int __init selinux_compat_net_setup(char *str) { - selinux_compat_net = simple_strtoul(str,NULL,0) ? 1 : 0; + selinux_compat_net = simple_strtoul(str, NULL, 0) ? 1 : 0; return 1; } __setup("selinux_compat_net=", selinux_compat_net_setup); @@ -73,17 +73,17 @@ __setup("selinux_compat_net=", selinux_compat_net_setup); static DEFINE_MUTEX(sel_mutex); /* global data for booleans */ -static struct dentry *bool_dir = NULL; -static int bool_num = 0; +static struct dentry *bool_dir; +static int bool_num; static char **bool_pending_names; -static int *bool_pending_values = NULL; +static int *bool_pending_values; /* global data for classes */ -static struct dentry *class_dir = NULL; +static struct dentry *class_dir; static unsigned long last_class_ino; /* global data for policy capabilities */ -static struct dentry *policycap_dir = NULL; +static struct dentry *policycap_dir; extern void selnl_notify_setenforce(int val); @@ -142,7 +142,7 @@ static ssize_t sel_read_enforce(struct file *filp, char __user *buf, } #ifdef CONFIG_SECURITY_SELINUX_DEVELOP -static ssize_t sel_write_enforce(struct file * file, const char __user * buf, +static ssize_t sel_write_enforce(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { @@ -156,7 +156,7 @@ static ssize_t sel_write_enforce(struct file * file, const char __user * buf, /* No partial writes. */ return -EINVAL; } - page = (char*)get_zeroed_page(GFP_KERNEL); + page = (char *)get_zeroed_page(GFP_KERNEL); if (!page) return -ENOMEM; length = -EFAULT; @@ -213,7 +213,7 @@ static const struct file_operations sel_handle_unknown_ops = { }; #ifdef CONFIG_SECURITY_SELINUX_DISABLE -static ssize_t sel_write_disable(struct file * file, const char __user * buf, +static ssize_t sel_write_disable(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { @@ -228,7 +228,7 @@ static ssize_t sel_write_disable(struct file * file, const char __user * buf, /* No partial writes. */ return -EINVAL; } - page = (char*)get_zeroed_page(GFP_KERNEL); + page = (char *)get_zeroed_page(GFP_KERNEL); if (!page) return -ENOMEM; length = -EFAULT; @@ -263,7 +263,7 @@ static const struct file_operations sel_disable_ops = { }; static ssize_t sel_read_policyvers(struct file *filp, char __user *buf, - size_t count, loff_t *ppos) + size_t count, loff_t *ppos) { char tmpbuf[TMPBUFLEN]; ssize_t length; @@ -299,7 +299,7 @@ static const struct file_operations sel_mls_ops = { .read = sel_read_mls, }; -static ssize_t sel_write_load(struct file * file, const char __user * buf, +static ssize_t sel_write_load(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { @@ -371,7 +371,7 @@ static const struct file_operations sel_load_ops = { .write = sel_write_load, }; -static ssize_t sel_write_context(struct file * file, char *buf, size_t size) +static ssize_t sel_write_context(struct file *file, char *buf, size_t size) { char *canon; u32 sid, len; @@ -390,8 +390,8 @@ static ssize_t sel_write_context(struct file * file, char *buf, size_t size) return length; if (len > SIMPLE_TRANSACTION_LIMIT) { - printk(KERN_ERR "%s: context size (%u) exceeds payload " - "max\n", __func__, len); + printk(KERN_ERR "SELinux: %s: context size (%u) exceeds " + "payload max\n", __func__, len); length = -ERANGE; goto out; } @@ -413,7 +413,7 @@ static ssize_t sel_read_checkreqprot(struct file *filp, char __user *buf, return simple_read_from_buffer(buf, count, ppos, tmpbuf, length); } -static ssize_t sel_write_checkreqprot(struct file * file, const char __user * buf, +static ssize_t sel_write_checkreqprot(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { char *page; @@ -430,7 +430,7 @@ static ssize_t sel_write_checkreqprot(struct file * file, const char __user * bu /* No partial writes. */ return -EINVAL; } - page = (char*)get_zeroed_page(GFP_KERNEL); + page = (char *)get_zeroed_page(GFP_KERNEL); if (!page) return -ENOMEM; length = -EFAULT; @@ -462,7 +462,7 @@ static ssize_t sel_read_compat_net(struct file *filp, char __user *buf, return simple_read_from_buffer(buf, count, ppos, tmpbuf, length); } -static ssize_t sel_write_compat_net(struct file * file, const char __user * buf, +static ssize_t sel_write_compat_net(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { char *page; @@ -479,7 +479,7 @@ static ssize_t sel_write_compat_net(struct file * file, const char __user * buf, /* No partial writes. */ return -EINVAL; } - page = (char*)get_zeroed_page(GFP_KERNEL); + page = (char *)get_zeroed_page(GFP_KERNEL); if (!page) return -ENOMEM; length = -EFAULT; @@ -504,11 +504,11 @@ static const struct file_operations sel_compat_net_ops = { /* * Remaining nodes use transaction based IO methods like nfsd/nfsctl.c */ -static ssize_t sel_write_access(struct file * file, char *buf, size_t size); -static ssize_t sel_write_create(struct file * file, char *buf, size_t size); -static ssize_t sel_write_relabel(struct file * file, char *buf, size_t size); -static ssize_t sel_write_user(struct file * file, char *buf, size_t size); -static ssize_t sel_write_member(struct file * file, char *buf, size_t size); +static ssize_t sel_write_access(struct file *file, char *buf, size_t size); +static ssize_t sel_write_create(struct file *file, char *buf, size_t size); +static ssize_t sel_write_relabel(struct file *file, char *buf, size_t size); +static ssize_t sel_write_user(struct file *file, char *buf, size_t size); +static ssize_t sel_write_member(struct file *file, char *buf, size_t size); static ssize_t (*write_op[])(struct file *, char *, size_t) = { [SEL_ACCESS] = sel_write_access, @@ -521,7 +521,7 @@ static ssize_t (*write_op[])(struct file *, char *, size_t) = { static ssize_t selinux_transaction_write(struct file *file, const char __user *buf, size_t size, loff_t *pos) { - ino_t ino = file->f_path.dentry->d_inode->i_ino; + ino_t ino = file->f_path.dentry->d_inode->i_ino; char *data; ssize_t rv; @@ -532,8 +532,8 @@ static ssize_t selinux_transaction_write(struct file *file, const char __user *b if (IS_ERR(data)) return PTR_ERR(data); - rv = write_op[ino](file, data, size); - if (rv>0) { + rv = write_op[ino](file, data, size); + if (rv > 0) { simple_transaction_set(file, rv); rv = size; } @@ -552,7 +552,7 @@ static const struct file_operations transaction_ops = { * and the length returned. Otherwise return 0 or and -error. */ -static ssize_t sel_write_access(struct file * file, char *buf, size_t size) +static ssize_t sel_write_access(struct file *file, char *buf, size_t size) { char *scon, *tcon; u32 ssid, tsid; @@ -601,7 +601,7 @@ out: return length; } -static ssize_t sel_write_create(struct file * file, char *buf, size_t size) +static ssize_t sel_write_create(struct file *file, char *buf, size_t size) { char *scon, *tcon; u32 ssid, tsid, newsid; @@ -643,8 +643,8 @@ static ssize_t sel_write_create(struct file * file, char *buf, size_t size) goto out2; if (len > SIMPLE_TRANSACTION_LIMIT) { - printk(KERN_ERR "%s: context size (%u) exceeds payload " - "max\n", __func__, len); + printk(KERN_ERR "SELinux: %s: context size (%u) exceeds " + "payload max\n", __func__, len); length = -ERANGE; goto out3; } @@ -660,7 +660,7 @@ out: return length; } -static ssize_t sel_write_relabel(struct file * file, char *buf, size_t size) +static ssize_t sel_write_relabel(struct file *file, char *buf, size_t size) { char *scon, *tcon; u32 ssid, tsid, newsid; @@ -717,7 +717,7 @@ out: return length; } -static ssize_t sel_write_user(struct file * file, char *buf, size_t size) +static ssize_t sel_write_user(struct file *file, char *buf, size_t size) { char *con, *user, *ptr; u32 sid, *sids; @@ -778,7 +778,7 @@ out: return length; } -static ssize_t sel_write_member(struct file * file, char *buf, size_t size) +static ssize_t sel_write_member(struct file *file, char *buf, size_t size) { char *scon, *tcon; u32 ssid, tsid, newsid; @@ -820,8 +820,8 @@ static ssize_t sel_write_member(struct file * file, char *buf, size_t size) goto out2; if (len > SIMPLE_TRANSACTION_LIMIT) { - printk(KERN_ERR "%s: context size (%u) exceeds payload " - "max\n", __func__, len); + printk(KERN_ERR "SELinux: %s: context size (%u) exceeds " + "payload max\n", __func__, len); length = -ERANGE; goto out3; } @@ -872,7 +872,8 @@ static ssize_t sel_read_bool(struct file *filep, char __user *buf, ret = -EINVAL; goto out; } - if (!(page = (char*)get_zeroed_page(GFP_KERNEL))) { + page = (char *)get_zeroed_page(GFP_KERNEL); + if (!page) { ret = -ENOMEM; goto out; } @@ -923,7 +924,7 @@ static ssize_t sel_write_bool(struct file *filep, const char __user *buf, length = -EINVAL; goto out; } - page = (char*)get_zeroed_page(GFP_KERNEL); + page = (char *)get_zeroed_page(GFP_KERNEL); if (!page) { length = -ENOMEM; goto out; @@ -951,8 +952,8 @@ out: } static const struct file_operations sel_bool_ops = { - .read = sel_read_bool, - .write = sel_write_bool, + .read = sel_read_bool, + .write = sel_write_bool, }; static ssize_t sel_commit_bools_write(struct file *filep, @@ -977,7 +978,7 @@ static ssize_t sel_commit_bools_write(struct file *filep, /* No partial writes. */ goto out; } - page = (char*)get_zeroed_page(GFP_KERNEL); + page = (char *)get_zeroed_page(GFP_KERNEL); if (!page) { length = -ENOMEM; goto out; @@ -991,9 +992,8 @@ static ssize_t sel_commit_bools_write(struct file *filep, if (sscanf(page, "%d", &new_value) != 1) goto out; - if (new_value && bool_pending_values) { + if (new_value && bool_pending_values) security_set_bools(bool_num, bool_pending_values); - } length = count; @@ -1005,7 +1005,7 @@ out: } static const struct file_operations sel_commit_bools_ops = { - .write = sel_commit_bools_write, + .write = sel_commit_bools_write, }; static void sel_remove_entries(struct dentry *de) @@ -1055,7 +1055,8 @@ static int sel_make_bools(void) sel_remove_entries(dir); - if (!(page = (char*)get_zeroed_page(GFP_KERNEL))) + page = (char *)get_zeroed_page(GFP_KERNEL); + if (!page) return -ENOMEM; ret = security_get_bools(&num, &names, &values); @@ -1082,8 +1083,9 @@ static int sel_make_bools(void) ret = -ENAMETOOLONG; goto err; } - isec = (struct inode_security_struct*)inode->i_security; - if ((ret = security_genfs_sid("selinuxfs", page, SECCLASS_FILE, &sid))) + isec = (struct inode_security_struct *)inode->i_security; + ret = security_genfs_sid("selinuxfs", page, SECCLASS_FILE, &sid); + if (ret) goto err; isec->sid = sid; isec->initialized = 1; @@ -1111,7 +1113,7 @@ err: #define NULL_FILE_NAME "null" -struct dentry *selinux_null = NULL; +struct dentry *selinux_null; static ssize_t sel_read_avc_cache_threshold(struct file *filp, char __user *buf, size_t count, loff_t *ppos) @@ -1123,8 +1125,8 @@ static ssize_t sel_read_avc_cache_threshold(struct file *filp, char __user *buf, return simple_read_from_buffer(buf, count, ppos, tmpbuf, length); } -static ssize_t sel_write_avc_cache_threshold(struct file * file, - const char __user * buf, +static ssize_t sel_write_avc_cache_threshold(struct file *file, + const char __user *buf, size_t count, loff_t *ppos) { @@ -1143,7 +1145,7 @@ static ssize_t sel_write_avc_cache_threshold(struct file * file, goto out; } - page = (char*)get_zeroed_page(GFP_KERNEL); + page = (char *)get_zeroed_page(GFP_KERNEL); if (!page) { ret = -ENOMEM; goto out; @@ -1301,7 +1303,7 @@ out: return ret; } -static ssize_t sel_read_initcon(struct file * file, char __user *buf, +static ssize_t sel_read_initcon(struct file *file, char __user *buf, size_t count, loff_t *ppos) { struct inode *inode; @@ -1375,7 +1377,7 @@ static inline u32 sel_ino_to_perm(unsigned long ino) return (ino & SEL_INO_MASK) % (SEL_VEC_MAX + 1); } -static ssize_t sel_read_class(struct file * file, char __user *buf, +static ssize_t sel_read_class(struct file *file, char __user *buf, size_t count, loff_t *ppos) { ssize_t rc, len; @@ -1399,7 +1401,7 @@ static const struct file_operations sel_class_ops = { .read = sel_read_class, }; -static ssize_t sel_read_perm(struct file * file, char __user *buf, +static ssize_t sel_read_perm(struct file *file, char __user *buf, size_t count, loff_t *ppos) { ssize_t rc, len; @@ -1412,7 +1414,7 @@ static ssize_t sel_read_perm(struct file * file, char __user *buf, goto out; } - len = snprintf(page, PAGE_SIZE,"%d", sel_ino_to_perm(ino)); + len = snprintf(page, PAGE_SIZE, "%d", sel_ino_to_perm(ino)); rc = simple_read_from_buffer(buf, count, ppos, page, len); free_page((unsigned long)page); out: @@ -1640,7 +1642,7 @@ out: return ret; } -static int sel_fill_super(struct super_block * sb, void * data, int silent) +static int sel_fill_super(struct super_block *sb, void *data, int silent) { int ret; struct dentry *dentry; @@ -1696,7 +1698,7 @@ static int sel_fill_super(struct super_block * sb, void * data, int silent) goto err; } inode->i_ino = ++sel_last_ino; - isec = (struct inode_security_struct*)inode->i_security; + isec = (struct inode_security_struct *)inode->i_security; isec->sid = SECINITSID_DEVNULL; isec->sclass = SECCLASS_CHR_FILE; isec->initialized = 1; @@ -1760,7 +1762,8 @@ static int sel_fill_super(struct super_block * sb, void * data, int silent) out: return ret; err: - printk(KERN_ERR "%s: failed while creating inodes\n", __func__); + printk(KERN_ERR "SELinux: %s: failed while creating inodes\n", + __func__); goto out; } diff --git a/security/selinux/ss/avtab.c b/security/selinux/ss/avtab.c index 916e73a..9e66263 100644 --- a/security/selinux/ss/avtab.c +++ b/security/selinux/ss/avtab.c @@ -6,15 +6,15 @@ /* Updated: Frank Mayer <mayerf@tresys.com> and Karl MacMillan <kmacmillan@tresys.com> * - * Added conditional policy language extensions + * Added conditional policy language extensions * * Copyright (C) 2003 Tresys Technology, LLC * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by + * it under the terms of the GNU General Public License as published by * the Free Software Foundation, version 2. * * Updated: Yuichi Nakamura <ynakam@hitachisoft.jp> - * Tuned number of hash slots for avtab to reduce memory usage + * Tuned number of hash slots for avtab to reduce memory usage */ #include <linux/kernel.h> @@ -33,10 +33,10 @@ static inline int avtab_hash(struct avtab_key *keyp, u16 mask) static struct avtab_node* avtab_insert_node(struct avtab *h, int hvalue, - struct avtab_node * prev, struct avtab_node * cur, + struct avtab_node *prev, struct avtab_node *cur, struct avtab_key *key, struct avtab_datum *datum) { - struct avtab_node * newnode; + struct avtab_node *newnode; newnode = kmem_cache_zalloc(avtab_node_cachep, GFP_KERNEL); if (newnode == NULL) return NULL; @@ -84,7 +84,7 @@ static int avtab_insert(struct avtab *h, struct avtab_key *key, struct avtab_dat } newnode = avtab_insert_node(h, hvalue, prev, cur, key, datum); - if(!newnode) + if (!newnode) return -ENOMEM; return 0; @@ -95,7 +95,7 @@ static int avtab_insert(struct avtab *h, struct avtab_key *key, struct avtab_dat * It also returns a pointer to the node inserted. */ struct avtab_node * -avtab_insert_nonunique(struct avtab * h, struct avtab_key * key, struct avtab_datum * datum) +avtab_insert_nonunique(struct avtab *h, struct avtab_key *key, struct avtab_datum *datum) { int hvalue; struct avtab_node *prev, *cur, *newnode; @@ -310,8 +310,8 @@ void avtab_hash_eval(struct avtab *h, char *tag) } } - printk(KERN_DEBUG "%s: %d entries and %d/%d buckets used, longest " - "chain length %d sum of chain length^2 %Lu\n", + printk(KERN_DEBUG "SELinux: %s: %d entries and %d/%d buckets used, " + "longest chain length %d sum of chain length^2 %Lu\n", tag, h->nel, slots_used, h->nslot, max_chain_len, chain2_len_sum); } @@ -326,7 +326,7 @@ static uint16_t spec_order[] = { }; int avtab_read_item(struct avtab *a, void *fp, struct policydb *pol, - int (*insertf)(struct avtab *a, struct avtab_key *k, + int (*insertf)(struct avtab *a, struct avtab_key *k, struct avtab_datum *d, void *p), void *p) { @@ -364,19 +364,19 @@ int avtab_read_item(struct avtab *a, void *fp, struct policydb *pol, val = le32_to_cpu(buf32[items++]); key.source_type = (u16)val; if (key.source_type != val) { - printk("SELinux: avtab: truncated source type\n"); + printk(KERN_ERR "SELinux: avtab: truncated source type\n"); return -1; } val = le32_to_cpu(buf32[items++]); key.target_type = (u16)val; if (key.target_type != val) { - printk("SELinux: avtab: truncated target type\n"); + printk(KERN_ERR "SELinux: avtab: truncated target type\n"); return -1; } val = le32_to_cpu(buf32[items++]); key.target_class = (u16)val; if (key.target_class != val) { - printk("SELinux: avtab: truncated target class\n"); + printk(KERN_ERR "SELinux: avtab: truncated target class\n"); return -1; } @@ -384,12 +384,12 @@ int avtab_read_item(struct avtab *a, void *fp, struct policydb *pol, enabled = (val & AVTAB_ENABLED_OLD) ? AVTAB_ENABLED : 0; if (!(val & (AVTAB_AV | AVTAB_TYPE))) { - printk("SELinux: avtab: null entry\n"); + printk(KERN_ERR "SELinux: avtab: null entry\n"); return -1; } if ((val & AVTAB_AV) && (val & AVTAB_TYPE)) { - printk("SELinux: avtab: entry has both access vectors and types\n"); + printk(KERN_ERR "SELinux: avtab: entry has both access vectors and types\n"); return -1; } @@ -398,12 +398,13 @@ int avtab_read_item(struct avtab *a, void *fp, struct policydb *pol, key.specified = spec_order[i] | enabled; datum.data = le32_to_cpu(buf32[items++]); rc = insertf(a, &key, &datum, p); - if (rc) return rc; + if (rc) + return rc; } } if (items != items2) { - printk("SELinux: avtab: entry only had %d items, expected %d\n", items2, items); + printk(KERN_ERR "SELinux: avtab: entry only had %d items, expected %d\n", items2, items); return -1; } return 0; @@ -411,7 +412,7 @@ int avtab_read_item(struct avtab *a, void *fp, struct policydb *pol, rc = next_entry(buf16, fp, sizeof(u16)*4); if (rc < 0) { - printk("SELinux: avtab: truncated entry\n"); + printk(KERN_ERR "SELinux: avtab: truncated entry\n"); return -1; } @@ -424,7 +425,7 @@ int avtab_read_item(struct avtab *a, void *fp, struct policydb *pol, if (!policydb_type_isvalid(pol, key.source_type) || !policydb_type_isvalid(pol, key.target_type) || !policydb_class_isvalid(pol, key.target_class)) { - printk(KERN_WARNING "SELinux: avtab: invalid type or class\n"); + printk(KERN_ERR "SELinux: avtab: invalid type or class\n"); return -1; } @@ -434,20 +435,19 @@ int avtab_read_item(struct avtab *a, void *fp, struct policydb *pol, set++; } if (!set || set > 1) { - printk(KERN_WARNING - "SELinux: avtab: more than one specifier\n"); + printk(KERN_ERR "SELinux: avtab: more than one specifier\n"); return -1; } rc = next_entry(buf32, fp, sizeof(u32)); if (rc < 0) { - printk("SELinux: avtab: truncated entry\n"); + printk(KERN_ERR "SELinux: avtab: truncated entry\n"); return -1; } datum.data = le32_to_cpu(*buf32); if ((key.specified & AVTAB_TYPE) && !policydb_type_isvalid(pol, datum.data)) { - printk(KERN_WARNING "SELinux: avtab: invalid type\n"); + printk(KERN_ERR "SELinux: avtab: invalid type\n"); return -1; } return insertf(a, &key, &datum, p); @@ -513,5 +513,5 @@ void avtab_cache_init(void) void avtab_cache_destroy(void) { - kmem_cache_destroy (avtab_node_cachep); + kmem_cache_destroy(avtab_node_cachep); } diff --git a/security/selinux/ss/conditional.c b/security/selinux/ss/conditional.c index da0566c..fb4efe4 100644 --- a/security/selinux/ss/conditional.c +++ b/security/selinux/ss/conditional.c @@ -1,9 +1,9 @@ /* Authors: Karl MacMillan <kmacmillan@tresys.com> - * Frank Mayer <mayerf@tresys.com> + * Frank Mayer <mayerf@tresys.com> * * Copyright (C) 2003 - 2004 Tresys Technology, LLC * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by + * it under the terms of the GNU General Public License as published by * the Free Software Foundation, version 2. */ @@ -89,7 +89,7 @@ static int cond_evaluate_expr(struct policydb *p, struct cond_expr *expr) int evaluate_cond_node(struct policydb *p, struct cond_node *node) { int new_state; - struct cond_av_list* cur; + struct cond_av_list *cur; new_state = cond_evaluate_expr(p, node->expr); if (new_state != node->cur_state) { @@ -98,20 +98,18 @@ int evaluate_cond_node(struct policydb *p, struct cond_node *node) printk(KERN_ERR "SELinux: expression result was undefined - disabling all rules.\n"); /* turn the rules on or off */ for (cur = node->true_list; cur != NULL; cur = cur->next) { - if (new_state <= 0) { + if (new_state <= 0) cur->node->key.specified &= ~AVTAB_ENABLED; - } else { + else cur->node->key.specified |= AVTAB_ENABLED; - } } for (cur = node->false_list; cur != NULL; cur = cur->next) { /* -1 or 1 */ - if (new_state) { + if (new_state) cur->node->key.specified &= ~AVTAB_ENABLED; - } else { + else cur->node->key.specified |= AVTAB_ENABLED; - } } } return 0; @@ -173,8 +171,8 @@ void cond_policydb_destroy(struct policydb *p) int cond_init_bool_indexes(struct policydb *p) { kfree(p->bool_val_to_struct); - p->bool_val_to_struct = (struct cond_bool_datum**) - kmalloc(p->p_bools.nprim * sizeof(struct cond_bool_datum*), GFP_KERNEL); + p->bool_val_to_struct = (struct cond_bool_datum **) + kmalloc(p->p_bools.nprim * sizeof(struct cond_bool_datum *), GFP_KERNEL); if (!p->bool_val_to_struct) return -1; return 0; @@ -199,7 +197,7 @@ int cond_index_bool(void *key, void *datum, void *datap) return -EINVAL; p->p_bool_val_to_name[booldatum->value - 1] = key; - p->bool_val_to_struct[booldatum->value -1] = booldatum; + p->bool_val_to_struct[booldatum->value - 1] = booldatum; return 0; } @@ -251,8 +249,7 @@ err: return -1; } -struct cond_insertf_data -{ +struct cond_insertf_data { struct policydb *p; struct cond_av_list *other; struct cond_av_list *head; @@ -275,7 +272,7 @@ static int cond_insertf(struct avtab *a, struct avtab_key *k, struct avtab_datum */ if (k->specified & AVTAB_TYPE) { if (avtab_search(&p->te_avtab, k)) { - printk("SELinux: type rule already exists outside of a conditional."); + printk(KERN_ERR "SELinux: type rule already exists outside of a conditional.\n"); goto err; } /* @@ -290,7 +287,7 @@ static int cond_insertf(struct avtab *a, struct avtab_key *k, struct avtab_datum node_ptr = avtab_search_node(&p->te_cond_avtab, k); if (node_ptr) { if (avtab_search_node_next(node_ptr, k->specified)) { - printk("SELinux: too many conflicting type rules."); + printk(KERN_ERR "SELinux: too many conflicting type rules.\n"); goto err; } found = 0; @@ -301,13 +298,13 @@ static int cond_insertf(struct avtab *a, struct avtab_key *k, struct avtab_datum } } if (!found) { - printk("SELinux: conflicting type rules.\n"); + printk(KERN_ERR "SELinux: conflicting type rules.\n"); goto err; } } } else { if (avtab_search(&p->te_cond_avtab, k)) { - printk("SELinux: conflicting type rules when adding type rule for true.\n"); + printk(KERN_ERR "SELinux: conflicting type rules when adding type rule for true.\n"); goto err; } } @@ -315,7 +312,7 @@ static int cond_insertf(struct avtab *a, struct avtab_key *k, struct avtab_datum node_ptr = avtab_insert_nonunique(&p->te_cond_avtab, k, d); if (!node_ptr) { - printk("SELinux: could not insert rule."); + printk(KERN_ERR "SELinux: could not insert rule.\n"); goto err; } @@ -352,9 +349,8 @@ static int cond_read_av_list(struct policydb *p, void *fp, struct cond_av_list * return -1; len = le32_to_cpu(buf[0]); - if (len == 0) { + if (len == 0) return 0; - } data.p = p; data.other = other; @@ -375,12 +371,12 @@ static int cond_read_av_list(struct policydb *p, void *fp, struct cond_av_list * static int expr_isvalid(struct policydb *p, struct cond_expr *expr) { if (expr->expr_type <= 0 || expr->expr_type > COND_LAST) { - printk("SELinux: conditional expressions uses unknown operator.\n"); + printk(KERN_ERR "SELinux: conditional expressions uses unknown operator.\n"); return 0; } if (expr->bool > p->p_bools.nprim) { - printk("SELinux: conditional expressions uses unknown bool.\n"); + printk(KERN_ERR "SELinux: conditional expressions uses unknown bool.\n"); return 0; } return 1; @@ -407,15 +403,14 @@ static int cond_read_node(struct policydb *p, struct cond_node *node, void *fp) /* expr */ len = le32_to_cpu(buf[0]); - for (i = 0; i < len; i++ ) { + for (i = 0; i < len; i++) { rc = next_entry(buf, fp, sizeof(u32) * 2); if (rc < 0) goto err; expr = kzalloc(sizeof(struct cond_expr), GFP_KERNEL); - if (!expr) { + if (!expr) goto err; - } expr->expr_type = le32_to_cpu(buf[0]); expr->bool = le32_to_cpu(buf[1]); @@ -425,11 +420,10 @@ static int cond_read_node(struct policydb *p, struct cond_node *node, void *fp) goto err; } - if (i == 0) { + if (i == 0) node->expr = expr; - } else { + else last->next = expr; - } last = expr; } @@ -468,11 +462,10 @@ int cond_read_list(struct policydb *p, void *fp) if (cond_read_node(p, node, fp) != 0) goto err; - if (i == 0) { + if (i == 0) p->cond_list = node; - } else { + else last->next = node; - } last = node; } return 0; @@ -489,24 +482,24 @@ void cond_compute_av(struct avtab *ctab, struct avtab_key *key, struct av_decisi { struct avtab_node *node; - if(!ctab || !key || !avd) + if (!ctab || !key || !avd) return; - for(node = avtab_search_node(ctab, key); node != NULL; + for (node = avtab_search_node(ctab, key); node != NULL; node = avtab_search_node_next(node, key->specified)) { - if ( (u16) (AVTAB_ALLOWED|AVTAB_ENABLED) == - (node->key.specified & (AVTAB_ALLOWED|AVTAB_ENABLED))) + if ((u16)(AVTAB_ALLOWED|AVTAB_ENABLED) == + (node->key.specified & (AVTAB_ALLOWED|AVTAB_ENABLED))) avd->allowed |= node->datum.data; - if ( (u16) (AVTAB_AUDITDENY|AVTAB_ENABLED) == - (node->key.specified & (AVTAB_AUDITDENY|AVTAB_ENABLED))) + if ((u16)(AVTAB_AUDITDENY|AVTAB_ENABLED) == + (node->key.specified & (AVTAB_AUDITDENY|AVTAB_ENABLED))) /* Since a '0' in an auditdeny mask represents a * permission we do NOT want to audit (dontaudit), we use * the '&' operand to ensure that all '0's in the mask * are retained (much unlike the allow and auditallow cases). */ avd->auditdeny &= node->datum.data; - if ( (u16) (AVTAB_AUDITALLOW|AVTAB_ENABLED) == - (node->key.specified & (AVTAB_AUDITALLOW|AVTAB_ENABLED))) + if ((u16)(AVTAB_AUDITALLOW|AVTAB_ENABLED) == + (node->key.specified & (AVTAB_AUDITALLOW|AVTAB_ENABLED))) avd->auditallow |= node->datum.data; } return; diff --git a/security/selinux/ss/ebitmap.c b/security/selinux/ss/ebitmap.c index e499af4..ddc2754 100644 --- a/security/selinux/ss/ebitmap.c +++ b/security/selinux/ss/ebitmap.c @@ -411,11 +411,10 @@ int ebitmap_read(struct ebitmap *e, void *fp) } /* round down */ tmp->startbit = startbit - (startbit % EBITMAP_SIZE); - if (n) { + if (n) n->next = tmp; - } else { + else e->node = tmp; - } n = tmp; } else if (startbit <= n->startbit) { printk(KERN_ERR "SELinux: ebitmap: start bit %d" diff --git a/security/selinux/ss/hashtab.c b/security/selinux/ss/hashtab.c index 77b530c..2e7788e 100644 --- a/security/selinux/ss/hashtab.c +++ b/security/selinux/ss/hashtab.c @@ -9,8 +9,8 @@ #include "hashtab.h" struct hashtab *hashtab_create(u32 (*hash_value)(struct hashtab *h, const void *key), - int (*keycmp)(struct hashtab *h, const void *key1, const void *key2), - u32 size) + int (*keycmp)(struct hashtab *h, const void *key1, const void *key2), + u32 size) { struct hashtab *p; u32 i; diff --git a/security/selinux/ss/mls.c b/security/selinux/ss/mls.c index feaf0a5..8b1706b 100644 --- a/security/selinux/ss/mls.c +++ b/security/selinux/ss/mls.c @@ -32,7 +32,7 @@ * Return the length in bytes for the MLS fields of the * security context string representation of `context'. */ -int mls_compute_context_len(struct context * context) +int mls_compute_context_len(struct context *context) { int i, l, len, head, prev; char *nm; @@ -86,7 +86,7 @@ int mls_compute_context_len(struct context * context) * Update `*scontext' to point to the end of the MLS fields. */ void mls_sid_to_context(struct context *context, - char **scontext) + char **scontext) { char *scontextp, *nm; int i, l, head, prev; @@ -146,7 +146,7 @@ void mls_sid_to_context(struct context *context, if (l == 0) { if (mls_level_eq(&context->range.level[0], - &context->range.level[1])) + &context->range.level[1])) break; else *scontextp++ = '-'; @@ -305,20 +305,21 @@ int mls_context_to_sid(char oldc, *p++ = 0; /* Separate into range if exists */ - if ((rngptr = strchr(scontextp, '.')) != NULL) { + rngptr = strchr(scontextp, '.'); + if (rngptr != NULL) { /* Remove '.' */ *rngptr++ = 0; } catdatum = hashtab_search(policydb.p_cats.table, - scontextp); + scontextp); if (!catdatum) { rc = -EINVAL; goto out; } rc = ebitmap_set_bit(&context->range.level[l].cat, - catdatum->value - 1, 1); + catdatum->value - 1, 1); if (rc) goto out; @@ -395,7 +396,7 @@ int mls_from_string(char *str, struct context *context, gfp_t gfp_mask) rc = -ENOMEM; } else { rc = mls_context_to_sid(':', &tmpstr, context, - NULL, SECSID_NULL); + NULL, SECSID_NULL); kfree(freestr); } @@ -406,7 +407,7 @@ int mls_from_string(char *str, struct context *context, gfp_t gfp_mask) * Copies the MLS range `range' into `context'. */ static inline int mls_range_set(struct context *context, - struct mls_range *range) + struct mls_range *range) { int l, rc = 0; @@ -423,7 +424,7 @@ static inline int mls_range_set(struct context *context, } int mls_setup_user_range(struct context *fromcon, struct user_datum *user, - struct context *usercon) + struct context *usercon) { if (selinux_mls_enabled) { struct mls_level *fromcon_sen = &(fromcon->range.level[0]); @@ -449,11 +450,11 @@ int mls_setup_user_range(struct context *fromcon, struct user_datum *user, that of the user's default clearance (but only if the "fromcon" clearance dominates the user's computed sensitivity level) */ - if (mls_level_dom(user_clr, fromcon_clr)) { + if (mls_level_dom(user_clr, fromcon_clr)) *usercon_clr = *fromcon_clr; - } else if (mls_level_dom(fromcon_clr, user_clr)) { + else if (mls_level_dom(fromcon_clr, user_clr)) *usercon_clr = *user_clr; - } else + else return -EINVAL; } @@ -525,7 +526,7 @@ int mls_compute_sid(struct context *scontext, rtr->target_class == tclass) { /* Set the range from the rule */ return mls_range_set(newcontext, - &rtr->target_range); + &rtr->target_range); } } /* Fallthrough */ diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c index 6bdb0ff..84f8cc7 100644 --- a/security/selinux/ss/policydb.c +++ b/security/selinux/ss/policydb.c @@ -11,7 +11,7 @@ * * Updated: Frank Mayer <mayerf@tresys.com> and Karl MacMillan <kmacmillan@tresys.com> * - * Added conditional policy language extensions + * Added conditional policy language extensions * * Updated: Hewlett-Packard <paul.moore@hp.com> * @@ -21,7 +21,7 @@ * Copyright (C) 2004-2005 Trusted Computer Solutions, Inc. * Copyright (C) 2003 - 2004 Tresys Technology, LLC * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by + * it under the terms of the GNU General Public License as published by * the Free Software Foundation, version 2. */ @@ -51,7 +51,7 @@ static char *symtab_name[SYM_NUM] = { }; #endif -int selinux_mls_enabled = 0; +int selinux_mls_enabled; static unsigned int symtab_sizes[SYM_NUM] = { 2, @@ -73,39 +73,39 @@ struct policydb_compat_info { /* These need to be updated if SYM_NUM or OCON_NUM changes */ static struct policydb_compat_info policydb_compat[] = { { - .version = POLICYDB_VERSION_BASE, - .sym_num = SYM_NUM - 3, - .ocon_num = OCON_NUM - 1, + .version = POLICYDB_VERSION_BASE, + .sym_num = SYM_NUM - 3, + .ocon_num = OCON_NUM - 1, }, { - .version = POLICYDB_VERSION_BOOL, - .sym_num = SYM_NUM - 2, - .ocon_num = OCON_NUM - 1, + .version = POLICYDB_VERSION_BOOL, + .sym_num = SYM_NUM - 2, + .ocon_num = OCON_NUM - 1, }, { - .version = POLICYDB_VERSION_IPV6, - .sym_num = SYM_NUM - 2, - .ocon_num = OCON_NUM, + .version = POLICYDB_VERSION_IPV6, + .sym_num = SYM_NUM - 2, + .ocon_num = OCON_NUM, }, { - .version = POLICYDB_VERSION_NLCLASS, - .sym_num = SYM_NUM - 2, - .ocon_num = OCON_NUM, + .version = POLICYDB_VERSION_NLCLASS, + .sym_num = SYM_NUM - 2, + .ocon_num = OCON_NUM, }, { - .version = POLICYDB_VERSION_MLS, - .sym_num = SYM_NUM, - .ocon_num = OCON_NUM, + .version = POLICYDB_VERSION_MLS, + .sym_num = SYM_NUM, + .ocon_num = OCON_NUM, }, { - .version = POLICYDB_VERSION_AVTAB, - .sym_num = SYM_NUM, - .ocon_num = OCON_NUM, + .version = POLICYDB_VERSION_AVTAB, + .sym_num = SYM_NUM, + .ocon_num = OCON_NUM, }, { - .version = POLICYDB_VERSION_RANGETRANS, - .sym_num = SYM_NUM, - .ocon_num = OCON_NUM, + .version = POLICYDB_VERSION_RANGETRANS, + .sym_num = SYM_NUM, + .ocon_num = OCON_NUM, }, { .version = POLICYDB_VERSION_POLCAP, @@ -152,7 +152,7 @@ static int roles_init(struct policydb *p) rc = -EINVAL; goto out_free_role; } - key = kmalloc(strlen(OBJECT_R)+1,GFP_KERNEL); + key = kmalloc(strlen(OBJECT_R)+1, GFP_KERNEL); if (!key) { rc = -ENOMEM; goto out_free_role; @@ -390,7 +390,7 @@ static void symtab_hash_eval(struct symtab *s) struct hashtab_info info; hashtab_stat(h, &info); - printk(KERN_DEBUG "%s: %d entries and %d/%d buckets used, " + printk(KERN_DEBUG "SELinux: %s: %d entries and %d/%d buckets used, " "longest chain length %d\n", symtab_name[i], h->nel, info.slots_used, h->size, info.max_chain_len); } @@ -424,7 +424,7 @@ static int policydb_index_others(struct policydb *p) p->role_val_to_struct = kmalloc(p->p_roles.nprim * sizeof(*(p->role_val_to_struct)), - GFP_KERNEL); + GFP_KERNEL); if (!p->role_val_to_struct) { rc = -ENOMEM; goto out; @@ -432,7 +432,7 @@ static int policydb_index_others(struct policydb *p) p->user_val_to_struct = kmalloc(p->p_users.nprim * sizeof(*(p->user_val_to_struct)), - GFP_KERNEL); + GFP_KERNEL); if (!p->user_val_to_struct) { rc = -ENOMEM; goto out; @@ -634,7 +634,7 @@ void policydb_destroy(struct policydb *p) while (c) { ctmp = c; c = c->next; - ocontext_destroy(ctmp,i); + ocontext_destroy(ctmp, i); } p->ocontexts[i] = NULL; } @@ -647,7 +647,7 @@ void policydb_destroy(struct policydb *p) while (c) { ctmp = c; c = c->next; - ocontext_destroy(ctmp,OCON_FSUSE); + ocontext_destroy(ctmp, OCON_FSUSE); } gtmp = g; g = g->next; @@ -664,14 +664,14 @@ void policydb_destroy(struct policydb *p) } kfree(ltr); - for (ra = p->role_allow; ra; ra = ra -> next) { + for (ra = p->role_allow; ra; ra = ra->next) { cond_resched(); kfree(lra); lra = ra; } kfree(lra); - for (rt = p->range_tr; rt; rt = rt -> next) { + for (rt = p->range_tr; rt; rt = rt->next) { cond_resched(); if (lrt) { ebitmap_destroy(&lrt->target_range.level[0].cat); @@ -924,7 +924,7 @@ static int perm_read(struct policydb *p, struct hashtab *h, void *fp) len = le32_to_cpu(buf[0]); perdatum->value = le32_to_cpu(buf[1]); - key = kmalloc(len + 1,GFP_KERNEL); + key = kmalloc(len + 1, GFP_KERNEL); if (!key) { rc = -ENOMEM; goto bad; @@ -971,7 +971,7 @@ static int common_read(struct policydb *p, struct hashtab *h, void *fp) comdatum->permissions.nprim = le32_to_cpu(buf[2]); nel = le32_to_cpu(buf[3]); - key = kmalloc(len + 1,GFP_KERNEL); + key = kmalloc(len + 1, GFP_KERNEL); if (!key) { rc = -ENOMEM; goto bad; @@ -998,7 +998,7 @@ bad: } static int read_cons_helper(struct constraint_node **nodep, int ncons, - int allowxtarget, void *fp) + int allowxtarget, void *fp) { struct constraint_node *c, *lc; struct constraint_expr *e, *le; @@ -1012,11 +1012,10 @@ static int read_cons_helper(struct constraint_node **nodep, int ncons, if (!c) return -ENOMEM; - if (lc) { + if (lc) lc->next = c; - } else { + else *nodep = c; - } rc = next_entry(buf, fp, (sizeof(u32) * 2)); if (rc < 0) @@ -1030,11 +1029,10 @@ static int read_cons_helper(struct constraint_node **nodep, int ncons, if (!e) return -ENOMEM; - if (le) { + if (le) le->next = e; - } else { + else c->expr = e; - } rc = next_entry(buf, fp, (sizeof(u32) * 3)); if (rc < 0) @@ -1111,7 +1109,7 @@ static int class_read(struct policydb *p, struct hashtab *h, void *fp) ncons = le32_to_cpu(buf[5]); - key = kmalloc(len + 1,GFP_KERNEL); + key = kmalloc(len + 1, GFP_KERNEL); if (!key) { rc = -ENOMEM; goto bad; @@ -1122,7 +1120,7 @@ static int class_read(struct policydb *p, struct hashtab *h, void *fp) key[len] = 0; if (len2) { - cladatum->comkey = kmalloc(len2 + 1,GFP_KERNEL); + cladatum->comkey = kmalloc(len2 + 1, GFP_KERNEL); if (!cladatum->comkey) { rc = -ENOMEM; goto bad; @@ -1195,7 +1193,7 @@ static int role_read(struct policydb *p, struct hashtab *h, void *fp) len = le32_to_cpu(buf[0]); role->value = le32_to_cpu(buf[1]); - key = kmalloc(len + 1,GFP_KERNEL); + key = kmalloc(len + 1, GFP_KERNEL); if (!key) { rc = -ENOMEM; goto bad; @@ -1215,7 +1213,7 @@ static int role_read(struct policydb *p, struct hashtab *h, void *fp) if (strcmp(key, OBJECT_R) == 0) { if (role->value != OBJECT_R_VAL) { - printk(KERN_ERR "Role %s has wrong value %d\n", + printk(KERN_ERR "SELinux: Role %s has wrong value %d\n", OBJECT_R, role->value); rc = -EINVAL; goto bad; @@ -1242,7 +1240,7 @@ static int type_read(struct policydb *p, struct hashtab *h, void *fp) __le32 buf[3]; u32 len; - typdatum = kzalloc(sizeof(*typdatum),GFP_KERNEL); + typdatum = kzalloc(sizeof(*typdatum), GFP_KERNEL); if (!typdatum) { rc = -ENOMEM; return rc; @@ -1256,7 +1254,7 @@ static int type_read(struct policydb *p, struct hashtab *h, void *fp) typdatum->value = le32_to_cpu(buf[1]); typdatum->primary = le32_to_cpu(buf[2]); - key = kmalloc(len + 1,GFP_KERNEL); + key = kmalloc(len + 1, GFP_KERNEL); if (!key) { rc = -ENOMEM; goto bad; @@ -1328,7 +1326,7 @@ static int user_read(struct policydb *p, struct hashtab *h, void *fp) len = le32_to_cpu(buf[0]); usrdatum->value = le32_to_cpu(buf[1]); - key = kmalloc(len + 1,GFP_KERNEL); + key = kmalloc(len + 1, GFP_KERNEL); if (!key) { rc = -ENOMEM; goto bad; @@ -1382,7 +1380,7 @@ static int sens_read(struct policydb *p, struct hashtab *h, void *fp) len = le32_to_cpu(buf[0]); levdatum->isalias = le32_to_cpu(buf[1]); - key = kmalloc(len + 1,GFP_ATOMIC); + key = kmalloc(len + 1, GFP_ATOMIC); if (!key) { rc = -ENOMEM; goto bad; @@ -1434,7 +1432,7 @@ static int cat_read(struct policydb *p, struct hashtab *h, void *fp) catdatum->value = le32_to_cpu(buf[1]); catdatum->isalias = le32_to_cpu(buf[2]); - key = kmalloc(len + 1,GFP_ATOMIC); + key = kmalloc(len + 1, GFP_ATOMIC); if (!key) { rc = -ENOMEM; goto bad; @@ -1493,7 +1491,7 @@ int policydb_read(struct policydb *p, void *fp) goto out; /* Read the magic number and string length. */ - rc = next_entry(buf, fp, sizeof(u32)* 2); + rc = next_entry(buf, fp, sizeof(u32) * 2); if (rc < 0) goto bad; @@ -1511,7 +1509,7 @@ int policydb_read(struct policydb *p, void *fp) len, strlen(POLICYDB_STRING)); goto bad; } - policydb_str = kmalloc(len + 1,GFP_KERNEL); + policydb_str = kmalloc(len + 1, GFP_KERNEL); if (!policydb_str) { printk(KERN_ERR "SELinux: unable to allocate memory for policydb " "string of length %d\n", len); @@ -1544,29 +1542,30 @@ int policydb_read(struct policydb *p, void *fp) if (p->policyvers < POLICYDB_VERSION_MIN || p->policyvers > POLICYDB_VERSION_MAX) { printk(KERN_ERR "SELinux: policydb version %d does not match " - "my version range %d-%d\n", - le32_to_cpu(buf[0]), POLICYDB_VERSION_MIN, POLICYDB_VERSION_MAX); - goto bad; + "my version range %d-%d\n", + le32_to_cpu(buf[0]), POLICYDB_VERSION_MIN, POLICYDB_VERSION_MAX); + goto bad; } if ((le32_to_cpu(buf[1]) & POLICYDB_CONFIG_MLS)) { if (ss_initialized && !selinux_mls_enabled) { - printk(KERN_ERR "Cannot switch between non-MLS and MLS " - "policies\n"); + printk(KERN_ERR "SELinux: Cannot switch between non-MLS" + " and MLS policies\n"); goto bad; } selinux_mls_enabled = 1; config |= POLICYDB_CONFIG_MLS; if (p->policyvers < POLICYDB_VERSION_MLS) { - printk(KERN_ERR "security policydb version %d (MLS) " - "not backwards compatible\n", p->policyvers); + printk(KERN_ERR "SELinux: security policydb version %d " + "(MLS) not backwards compatible\n", + p->policyvers); goto bad; } } else { if (ss_initialized && selinux_mls_enabled) { - printk(KERN_ERR "Cannot switch between MLS and non-MLS " - "policies\n"); + printk(KERN_ERR "SELinux: Cannot switch between MLS and" + " non-MLS policies\n"); goto bad; } } @@ -1633,11 +1632,10 @@ int policydb_read(struct policydb *p, void *fp) rc = -ENOMEM; goto bad; } - if (ltr) { + if (ltr) ltr->next = tr; - } else { + else p->role_tr = tr; - } rc = next_entry(buf, fp, sizeof(u32)*3); if (rc < 0) goto bad; @@ -1664,11 +1662,10 @@ int policydb_read(struct policydb *p, void *fp) rc = -ENOMEM; goto bad; } - if (lra) { + if (lra) lra->next = ra; - } else { + else p->role_allow = ra; - } rc = next_entry(buf, fp, sizeof(u32)*2); if (rc < 0) goto bad; @@ -1702,11 +1699,10 @@ int policydb_read(struct policydb *p, void *fp) rc = -ENOMEM; goto bad; } - if (l) { + if (l) l->next = c; - } else { + else p->ocontexts[i] = c; - } l = c; rc = -EINVAL; switch (i) { @@ -1725,7 +1721,7 @@ int policydb_read(struct policydb *p, void *fp) if (rc < 0) goto bad; len = le32_to_cpu(buf[0]); - c->u.name = kmalloc(len + 1,GFP_KERNEL); + c->u.name = kmalloc(len + 1, GFP_KERNEL); if (!c->u.name) { rc = -ENOMEM; goto bad; @@ -1753,7 +1749,7 @@ int policydb_read(struct policydb *p, void *fp) goto bad; break; case OCON_NODE: - rc = next_entry(buf, fp, sizeof(u32)* 2); + rc = next_entry(buf, fp, sizeof(u32) * 2); if (rc < 0) goto bad; c->u.node.addr = le32_to_cpu(buf[0]); @@ -1770,7 +1766,7 @@ int policydb_read(struct policydb *p, void *fp) if (c->v.behavior > SECURITY_FS_USE_NONE) goto bad; len = le32_to_cpu(buf[1]); - c->u.name = kmalloc(len + 1,GFP_KERNEL); + c->u.name = kmalloc(len + 1, GFP_KERNEL); if (!c->u.name) { rc = -ENOMEM; goto bad; @@ -1818,7 +1814,7 @@ int policydb_read(struct policydb *p, void *fp) goto bad; } - newgenfs->fstype = kmalloc(len + 1,GFP_KERNEL); + newgenfs->fstype = kmalloc(len + 1, GFP_KERNEL); if (!newgenfs->fstype) { rc = -ENOMEM; kfree(newgenfs); @@ -1864,7 +1860,7 @@ int policydb_read(struct policydb *p, void *fp) goto bad; } - newc->u.name = kmalloc(len + 1,GFP_KERNEL); + newc->u.name = kmalloc(len + 1, GFP_KERNEL); if (!newc->u.name) { rc = -ENOMEM; goto bad_newc; @@ -1968,7 +1964,7 @@ int policydb_read(struct policydb *p, void *fp) out: return rc; bad_newc: - ocontext_destroy(newc,OCON_FSUSE); + ocontext_destroy(newc, OCON_FSUSE); bad: if (!rc) rc = -EINVAL; diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c index b341b8f..2daaddb 100644 --- a/security/selinux/ss/services.c +++ b/security/selinux/ss/services.c @@ -2,7 +2,7 @@ * Implementation of the security services. * * Authors : Stephen Smalley, <sds@epoch.ncsc.mil> - * James Morris <jmorris@redhat.com> + * James Morris <jmorris@redhat.com> * * Updated: Trusted Computer Solutions, Inc. <dgoeddel@trustedcs.com> * @@ -11,7 +11,7 @@ * * Updated: Frank Mayer <mayerf@tresys.com> and Karl MacMillan <kmacmillan@tresys.com> * - * Added conditional policy language extensions + * Added conditional policy language extensions * * Updated: Hewlett-Packard <paul.moore@hp.com> * @@ -27,7 +27,7 @@ * Copyright (C) 2003 - 2004, 2006 Tresys Technology, LLC * Copyright (C) 2003 Red Hat, Inc., James Morris <jmorris@redhat.com> * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by + * it under the terms of the GNU General Public License as published by * the Free Software Foundation, version 2. */ #include <linux/kernel.h> @@ -82,7 +82,7 @@ static DEFINE_MUTEX(load_mutex); static struct sidtab sidtab; struct policydb policydb; -int ss_initialized = 0; +int ss_initialized; /* * The largest sequence number that has been used when @@ -90,7 +90,7 @@ int ss_initialized = 0; * The sequence number only changes when a policy change * occurs. */ -static u32 latest_granting = 0; +static u32 latest_granting; /* Forward declaration. */ static int context_struct_to_string(struct context *context, char **scontext, @@ -163,10 +163,10 @@ static int constraint_expr_eval(struct context *scontext, val1 - 1); continue; case CEXPR_INCOMP: - s[++sp] = ( !ebitmap_get_bit(&r1->dominates, - val2 - 1) && - !ebitmap_get_bit(&r2->dominates, - val1 - 1) ); + s[++sp] = (!ebitmap_get_bit(&r1->dominates, + val2 - 1) && + !ebitmap_get_bit(&r2->dominates, + val1 - 1)); continue; default: break; @@ -409,13 +409,14 @@ static int context_struct_compute_av(struct context *scontext, } if (!ra) avd->allowed = (avd->allowed) & ~(PROCESS__TRANSITION | - PROCESS__DYNTRANSITION); + PROCESS__DYNTRANSITION); } return 0; inval_class: - printk(KERN_ERR "%s: unrecognized class %d\n", __func__, tclass); + printk(KERN_ERR "SELinux: %s: unrecognized class %d\n", __func__, + tclass); return -EINVAL; } @@ -445,9 +446,9 @@ int security_permissive_sid(u32 sid) } static int security_validtrans_handle_fail(struct context *ocontext, - struct context *ncontext, - struct context *tcontext, - u16 tclass) + struct context *ncontext, + struct context *tcontext, + u16 tclass) { char *o = NULL, *n = NULL, *t = NULL; u32 olen, nlen, tlen; @@ -459,9 +460,9 @@ static int security_validtrans_handle_fail(struct context *ocontext, if (context_struct_to_string(tcontext, &t, &tlen) < 0) goto out; audit_log(current->audit_context, GFP_ATOMIC, AUDIT_SELINUX_ERR, - "security_validate_transition: denied for" - " oldcontext=%s newcontext=%s taskcontext=%s tclass=%s", - o, n, t, policydb.p_class_val_to_name[tclass-1]); + "security_validate_transition: denied for" + " oldcontext=%s newcontext=%s taskcontext=%s tclass=%s", + o, n, t, policydb.p_class_val_to_name[tclass-1]); out: kfree(o); kfree(n); @@ -473,7 +474,7 @@ out: } int security_validate_transition(u32 oldsid, u32 newsid, u32 tasksid, - u16 tclass) + u16 tclass) { struct context *ocontext; struct context *ncontext; @@ -499,8 +500,8 @@ int security_validate_transition(u32 oldsid, u32 newsid, u32 tasksid, tclass = SECCLASS_NETLINK_SOCKET; if (!tclass || tclass > policydb.p_classes.nprim) { - printk(KERN_ERR "security_validate_transition: " - "unrecognized class %d\n", tclass); + printk(KERN_ERR "SELinux: %s: unrecognized class %d\n", + __func__, tclass); rc = -EINVAL; goto out; } @@ -508,24 +509,24 @@ int security_validate_transition(u32 oldsid, u32 newsid, u32 tasksid, ocontext = sidtab_search(&sidtab, oldsid); if (!ocontext) { - printk(KERN_ERR "security_validate_transition: " - " unrecognized SID %d\n", oldsid); + printk(KERN_ERR "SELinux: %s: unrecognized SID %d\n", + __func__, oldsid); rc = -EINVAL; goto out; } ncontext = sidtab_search(&sidtab, newsid); if (!ncontext) { - printk(KERN_ERR "security_validate_transition: " - " unrecognized SID %d\n", newsid); + printk(KERN_ERR "SELinux: %s: unrecognized SID %d\n", + __func__, newsid); rc = -EINVAL; goto out; } tcontext = sidtab_search(&sidtab, tasksid); if (!tcontext) { - printk(KERN_ERR "security_validate_transition: " - " unrecognized SID %d\n", tasksid); + printk(KERN_ERR "SELinux: %s: unrecognized SID %d\n", + __func__, tasksid); rc = -EINVAL; goto out; } @@ -533,9 +534,9 @@ int security_validate_transition(u32 oldsid, u32 newsid, u32 tasksid, constraint = tclass_datum->validatetrans; while (constraint) { if (!constraint_expr_eval(ocontext, ncontext, tcontext, - constraint->expr)) { + constraint->expr)) { rc = security_validtrans_handle_fail(ocontext, ncontext, - tcontext, tclass); + tcontext, tclass); goto out; } constraint = constraint->next; @@ -581,15 +582,15 @@ int security_compute_av(u32 ssid, scontext = sidtab_search(&sidtab, ssid); if (!scontext) { - printk(KERN_ERR "security_compute_av: unrecognized SID %d\n", - ssid); + printk(KERN_ERR "SELinux: %s: unrecognized SID %d\n", + __func__, ssid); rc = -EINVAL; goto out; } tcontext = sidtab_search(&sidtab, tsid); if (!tcontext) { - printk(KERN_ERR "security_compute_av: unrecognized SID %d\n", - tsid); + printk(KERN_ERR "SELinux: %s: unrecognized SID %d\n", + __func__, tsid); rc = -EINVAL; goto out; } @@ -623,9 +624,8 @@ static int context_struct_to_string(struct context *context, char **scontext, u3 /* Allocate space for the context; caller must free this space. */ scontextp = kmalloc(*scontext_len, GFP_ATOMIC); - if (!scontextp) { + if (!scontextp) return -ENOMEM; - } *scontext = scontextp; /* @@ -636,8 +636,8 @@ static int context_struct_to_string(struct context *context, char **scontext, u3 policydb.p_role_val_to_name[context->role - 1], policydb.p_type_val_to_name[context->type - 1]); scontextp += strlen(policydb.p_user_val_to_name[context->user - 1]) + - 1 + strlen(policydb.p_role_val_to_name[context->role - 1]) + - 1 + strlen(policydb.p_type_val_to_name[context->type - 1]); + 1 + strlen(policydb.p_role_val_to_name[context->role - 1]) + + 1 + strlen(policydb.p_type_val_to_name[context->type - 1]); mls_sid_to_context(context, &scontextp); @@ -678,7 +678,7 @@ int security_sid_to_context(u32 sid, char **scontext, u32 *scontext_len) char *scontextp; *scontext_len = strlen(initial_sid_to_string[sid]) + 1; - scontextp = kmalloc(*scontext_len,GFP_ATOMIC); + scontextp = kmalloc(*scontext_len, GFP_ATOMIC); if (!scontextp) { rc = -ENOMEM; goto out; @@ -687,16 +687,16 @@ int security_sid_to_context(u32 sid, char **scontext, u32 *scontext_len) *scontext = scontextp; goto out; } - printk(KERN_ERR "security_sid_to_context: called before initial " - "load_policy on unknown SID %d\n", sid); + printk(KERN_ERR "SELinux: %s: called before initial " + "load_policy on unknown SID %d\n", __func__, sid); rc = -EINVAL; goto out; } POLICY_RDLOCK; context = sidtab_search(&sidtab, sid); if (!context) { - printk(KERN_ERR "security_sid_to_context: unrecognized SID " - "%d\n", sid); + printk(KERN_ERR "SELinux: %s: unrecognized SID %d\n", + __func__, sid); rc = -EINVAL; goto out_unlock; } @@ -926,15 +926,15 @@ static int security_compute_sid(u32 ssid, scontext = sidtab_search(&sidtab, ssid); if (!scontext) { - printk(KERN_ERR "security_compute_sid: unrecognized SID %d\n", - ssid); + printk(KERN_ERR "SELinux: %s: unrecognized SID %d\n", + __func__, ssid); rc = -EINVAL; goto out_unlock; } tcontext = sidtab_search(&sidtab, tsid); if (!tcontext) { - printk(KERN_ERR "security_compute_sid: unrecognized SID %d\n", - tsid); + printk(KERN_ERR "SELinux: %s: unrecognized SID %d\n", + __func__, tsid); rc = -EINVAL; goto out_unlock; } @@ -974,7 +974,7 @@ static int security_compute_sid(u32 ssid, avdatum = avtab_search(&policydb.te_avtab, &avkey); /* If no permanent rule, also check for enabled conditional rules */ - if(!avdatum) { + if (!avdatum) { node = avtab_search_node(&policydb.te_cond_avtab, &avkey); for (; node != NULL; node = avtab_search_node_next(node, specified)) { if (node->key.specified & AVTAB_ENABLED) { @@ -1288,26 +1288,23 @@ static int convert_context(u32 key, /* Convert the user. */ usrdatum = hashtab_search(args->newp->p_users.table, - args->oldp->p_user_val_to_name[c->user - 1]); - if (!usrdatum) { + args->oldp->p_user_val_to_name[c->user - 1]); + if (!usrdatum) goto bad; - } c->user = usrdatum->value; /* Convert the role. */ role = hashtab_search(args->newp->p_roles.table, - args->oldp->p_role_val_to_name[c->role - 1]); - if (!role) { + args->oldp->p_role_val_to_name[c->role - 1]); + if (!role) goto bad; - } c->role = role->value; /* Convert the type. */ typdatum = hashtab_search(args->newp->p_types.table, - args->oldp->p_type_val_to_name[c->type - 1]); - if (!typdatum) { + args->oldp->p_type_val_to_name[c->type - 1]); + if (!typdatum) goto bad; - } c->type = typdatum->value; rc = mls_convert_context(args->oldp, args->newp, c); @@ -1556,8 +1553,8 @@ static int match_ipv6_addrmask(u32 *input, u32 *addr, u32 *mask) { int i, fail = 0; - for(i = 0; i < 4; i++) - if(addr[i] != (input[i] & mask[i])) { + for (i = 0; i < 4; i++) + if (addr[i] != (input[i] & mask[i])) { fail = 1; break; } @@ -1656,7 +1653,7 @@ out: */ int security_get_user_sids(u32 fromsid, - char *username, + char *username, u32 **sids, u32 *nel) { @@ -1766,7 +1763,7 @@ out: * transition SIDs or task SIDs. */ int security_genfs_sid(const char *fstype, - char *path, + char *path, u16 sclass, u32 *sid) { @@ -1881,7 +1878,7 @@ int security_get_bools(int *len, char ***names, int **values) goto out; } - *names = kcalloc(*len, sizeof(char*), GFP_ATOMIC); + *names = kcalloc(*len, sizeof(char *), GFP_ATOMIC); if (!*names) goto err; @@ -1893,7 +1890,7 @@ int security_get_bools(int *len, char ***names, int **values) size_t name_len; (*values)[i] = policydb.bool_val_to_struct[i]->state; name_len = strlen(policydb.p_bool_val_to_name[i]) + 1; - (*names)[i] = kmalloc(sizeof(char) * name_len, GFP_ATOMIC); + (*names)[i] = kmalloc(sizeof(char) * name_len, GFP_ATOMIC); if (!(*names)[i]) goto err; strncpy((*names)[i], policydb.p_bool_val_to_name[i], name_len); @@ -1938,11 +1935,10 @@ int security_set_bools(int len, int *values) audit_get_loginuid(current), audit_get_sessionid(current)); } - if (values[i]) { + if (values[i]) policydb.bool_val_to_struct[i]->state = 1; - } else { + else policydb.bool_val_to_struct[i]->state = 0; - } } for (cur = policydb.cond_list; cur != NULL; cur = cur->next) { @@ -2036,16 +2032,16 @@ int security_sid_mls_copy(u32 sid, u32 mls_sid, u32 *new_sid) POLICY_RDLOCK; context1 = sidtab_search(&sidtab, sid); if (!context1) { - printk(KERN_ERR "security_sid_mls_copy: unrecognized SID " - "%d\n", sid); + printk(KERN_ERR "SELinux: %s: unrecognized SID %d\n", + __func__, sid); rc = -EINVAL; goto out_unlock; } context2 = sidtab_search(&sidtab, mls_sid); if (!context2) { - printk(KERN_ERR "security_sid_mls_copy: unrecognized SID " - "%d\n", mls_sid); + printk(KERN_ERR "SELinux: %s: unrecognized SID %d\n", + __func__, mls_sid); rc = -EINVAL; goto out_unlock; } @@ -2136,17 +2132,15 @@ int security_net_peersid_resolve(u32 nlbl_sid, u32 nlbl_type, nlbl_ctx = sidtab_search(&sidtab, nlbl_sid); if (!nlbl_ctx) { - printk(KERN_ERR - "security_sid_mls_cmp: unrecognized SID %d\n", - nlbl_sid); + printk(KERN_ERR "SELinux: %s: unrecognized SID %d\n", + __func__, nlbl_sid); rc = -EINVAL; goto out_slowpath; } xfrm_ctx = sidtab_search(&sidtab, xfrm_sid); if (!xfrm_ctx) { - printk(KERN_ERR - "security_sid_mls_cmp: unrecognized SID %d\n", - xfrm_sid); + printk(KERN_ERR "SELinux: %s: unrecognized SID %d\n", + __func__, xfrm_sid); rc = -EINVAL; goto out_slowpath; } @@ -2226,7 +2220,7 @@ int security_get_permissions(char *class, char ***perms, int *nperms) match = hashtab_search(policydb.p_classes.table, class); if (!match) { - printk(KERN_ERR "%s: unrecognized class %s\n", + printk(KERN_ERR "SELinux: %s: unrecognized class %s\n", __func__, class); rc = -EINVAL; goto out; @@ -2435,7 +2429,7 @@ int selinux_audit_rule_match(u32 sid, u32 field, u32 op, void *vrule, if (!rule) { audit_log(actx, GFP_ATOMIC, AUDIT_SELINUX_ERR, - "selinux_audit_rule_match: missing rule\n"); + "selinux_audit_rule_match: missing rule\n"); return -ENOENT; } @@ -2443,7 +2437,7 @@ int selinux_audit_rule_match(u32 sid, u32 field, u32 op, void *vrule, if (rule->au_seqno < latest_granting) { audit_log(actx, GFP_ATOMIC, AUDIT_SELINUX_ERR, - "selinux_audit_rule_match: stale rule\n"); + "selinux_audit_rule_match: stale rule\n"); match = -ESTALE; goto out; } @@ -2451,8 +2445,8 @@ int selinux_audit_rule_match(u32 sid, u32 field, u32 op, void *vrule, ctxt = sidtab_search(&sidtab, sid); if (!ctxt) { audit_log(actx, GFP_ATOMIC, AUDIT_SELINUX_ERR, - "selinux_audit_rule_match: unrecognized SID %d\n", - sid); + "selinux_audit_rule_match: unrecognized SID %d\n", + sid); match = -ENOENT; goto out; } @@ -2498,36 +2492,36 @@ int selinux_audit_rule_match(u32 sid, u32 field, u32 op, void *vrule, case AUDIT_OBJ_LEV_LOW: case AUDIT_OBJ_LEV_HIGH: level = ((field == AUDIT_SUBJ_SEN || - field == AUDIT_OBJ_LEV_LOW) ? - &ctxt->range.level[0] : &ctxt->range.level[1]); + field == AUDIT_OBJ_LEV_LOW) ? + &ctxt->range.level[0] : &ctxt->range.level[1]); switch (op) { case AUDIT_EQUAL: match = mls_level_eq(&rule->au_ctxt.range.level[0], - level); + level); break; case AUDIT_NOT_EQUAL: match = !mls_level_eq(&rule->au_ctxt.range.level[0], - level); + level); break; case AUDIT_LESS_THAN: match = (mls_level_dom(&rule->au_ctxt.range.level[0], - level) && - !mls_level_eq(&rule->au_ctxt.range.level[0], - level)); + level) && + !mls_level_eq(&rule->au_ctxt.range.level[0], + level)); break; case AUDIT_LESS_THAN_OR_EQUAL: match = mls_level_dom(&rule->au_ctxt.range.level[0], - level); + level); break; case AUDIT_GREATER_THAN: match = (mls_level_dom(level, - &rule->au_ctxt.range.level[0]) && - !mls_level_eq(level, - &rule->au_ctxt.range.level[0])); + &rule->au_ctxt.range.level[0]) && + !mls_level_eq(level, + &rule->au_ctxt.range.level[0])); break; case AUDIT_GREATER_THAN_OR_EQUAL: match = mls_level_dom(level, - &rule->au_ctxt.range.level[0]); + &rule->au_ctxt.range.level[0]); break; } } @@ -2554,7 +2548,7 @@ static int __init aurule_init(void) int err; err = avc_add_callback(aurule_avc_callback, AVC_CALLBACK_RESET, - SECSID_NULL, SECSID_NULL, SECCLASS_NULL, 0); + SECSID_NULL, SECSID_NULL, SECCLASS_NULL, 0); if (err) panic("avc_add_callback() failed, error %d\n", err); diff --git a/security/selinux/ss/sidtab.c b/security/selinux/ss/sidtab.c index 53a54a7..4a516ff 100644 --- a/security/selinux/ss/sidtab.c +++ b/security/selinux/ss/sidtab.c @@ -156,12 +156,10 @@ void sidtab_map_remove_on_error(struct sidtab *s, while (cur != NULL) { ret = apply(cur->sid, &cur->context, args); if (ret) { - if (last) { + if (last) last->next = cur->next; - } else { + else s->htable[i] = cur->next; - } - temp = cur; cur = cur->next; context_destroy(&temp->context); diff --git a/security/selinux/xfrm.c b/security/selinux/xfrm.c index 3b8b994..8f17f54 100644 --- a/security/selinux/xfrm.c +++ b/security/selinux/xfrm.c @@ -180,8 +180,7 @@ int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int ckall) if (!ckall) break; - } - else if (*sid != ctx->ctx_sid) + } else if (*sid != ctx->ctx_sid) return -EINVAL; } } @@ -326,8 +325,7 @@ int selinux_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, */ void selinux_xfrm_policy_free(struct xfrm_sec_ctx *ctx) { - if (ctx) - kfree(ctx); + kfree(ctx); } /* @@ -372,8 +370,7 @@ int selinux_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *uct void selinux_xfrm_state_free(struct xfrm_state *x) { struct xfrm_sec_ctx *ctx = x->security; - if (ctx) - kfree(ctx); + kfree(ctx); } /* |