diff options
Diffstat (limited to 'security/selinux')
-rw-r--r-- | security/selinux/avc.c | 3 | ||||
-rw-r--r-- | security/selinux/hooks.c | 121 | ||||
-rw-r--r-- | security/selinux/include/initial_sid_to_string.h | 2 | ||||
-rw-r--r-- | security/selinux/include/netlabel.h | 8 | ||||
-rw-r--r-- | security/selinux/include/objsec.h | 1 | ||||
-rw-r--r-- | security/selinux/netlabel.c | 14 | ||||
-rw-r--r-- | security/selinux/netlink.c | 1 | ||||
-rw-r--r-- | security/selinux/nlmsgtab.c | 1 | ||||
-rw-r--r-- | security/selinux/selinuxfs.c | 44 | ||||
-rw-r--r-- | security/selinux/ss/mls.c | 2 | ||||
-rw-r--r-- | security/selinux/ss/policydb.c | 7 | ||||
-rw-r--r-- | security/selinux/ss/services.c | 49 |
12 files changed, 109 insertions, 144 deletions
diff --git a/security/selinux/avc.c b/security/selinux/avc.c index 989fef82563a..7f1a304712a9 100644 --- a/security/selinux/avc.c +++ b/security/selinux/avc.c @@ -499,8 +499,7 @@ void avc_audit(u32 ssid, u32 tsid, return; if (!a) { a = &stack_data; - memset(a, 0, sizeof(*a)); - a->type = LSM_AUDIT_NO_AUDIT; + COMMON_AUDIT_DATA_INIT(a, NONE); } a->selinux_audit_data.tclass = tclass; a->selinux_audit_data.requested = requested; diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 5feecb41009d..5c9f25ba1c95 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -126,11 +126,6 @@ __setup("selinux=", selinux_enabled_setup); int selinux_enabled = 1; #endif -/* Lists of inode and superblock security structures initialized - before the policy was loaded. */ -static LIST_HEAD(superblock_security_head); -static DEFINE_SPINLOCK(sb_security_lock); - static struct kmem_cache *sel_inode_cache; /** @@ -266,7 +261,6 @@ static int superblock_alloc_security(struct super_block *sb) return -ENOMEM; mutex_init(&sbsec->lock); - INIT_LIST_HEAD(&sbsec->list); INIT_LIST_HEAD(&sbsec->isec_head); spin_lock_init(&sbsec->isec_lock); sbsec->sb = sb; @@ -281,40 +275,34 @@ static int superblock_alloc_security(struct super_block *sb) static void superblock_free_security(struct super_block *sb) { struct superblock_security_struct *sbsec = sb->s_security; - - spin_lock(&sb_security_lock); - if (!list_empty(&sbsec->list)) - list_del_init(&sbsec->list); - spin_unlock(&sb_security_lock); - sb->s_security = NULL; kfree(sbsec); } static int sk_alloc_security(struct sock *sk, int family, gfp_t priority) { - struct sk_security_struct *ssec; + struct sk_security_struct *sksec; - ssec = kzalloc(sizeof(*ssec), priority); - if (!ssec) + sksec = kzalloc(sizeof(*sksec), priority); + if (!sksec) return -ENOMEM; - ssec->peer_sid = SECINITSID_UNLABELED; - ssec->sid = SECINITSID_UNLABELED; - sk->sk_security = ssec; + sksec->peer_sid = SECINITSID_UNLABELED; + sksec->sid = SECINITSID_UNLABELED; + sk->sk_security = sksec; - selinux_netlbl_sk_security_reset(ssec); + selinux_netlbl_sk_security_reset(sksec); return 0; } static void sk_free_security(struct sock *sk) { - struct sk_security_struct *ssec = sk->sk_security; + struct sk_security_struct *sksec = sk->sk_security; sk->sk_security = NULL; - selinux_netlbl_sk_security_free(ssec); - kfree(ssec); + selinux_netlbl_sk_security_free(sksec); + kfree(sksec); } /* The security server must be initialized before @@ -323,7 +311,7 @@ extern int ss_initialized; /* The file system's label must be initialized prior to use. */ -static char *labeling_behaviors[6] = { +static const char *labeling_behaviors[6] = { "uses xattr", "uses transition SIDs", "uses task SIDs", @@ -612,10 +600,6 @@ static int selinux_set_mnt_opts(struct super_block *sb, /* Defer initialization until selinux_complete_init, after the initial policy is loaded and the security server is ready to handle calls. */ - spin_lock(&sb_security_lock); - if (list_empty(&sbsec->list)) - list_add(&sbsec->list, &superblock_security_head); - spin_unlock(&sb_security_lock); goto out; } rc = -EINVAL; @@ -806,16 +790,10 @@ static void selinux_sb_clone_mnt_opts(const struct super_block *oldsb, /* * if the parent was able to be mounted it clearly had no special lsm - * mount options. thus we can safely put this sb on the list and deal - * with it later + * mount options. thus we can safely deal with this superblock later */ - if (!ss_initialized) { - spin_lock(&sb_security_lock); - if (list_empty(&newsbsec->list)) - list_add(&newsbsec->list, &superblock_security_head); - spin_unlock(&sb_security_lock); + if (!ss_initialized) return; - } /* how can we clone if the old one wasn't set up?? */ BUG_ON(!(oldsbsec->flags & SE_SBINITIALIZED)); @@ -2999,13 +2977,15 @@ static int selinux_file_ioctl(struct file *file, unsigned int cmd, return file_has_perm(cred, file, av); } +static int default_noexec; + static int file_map_prot_check(struct file *file, unsigned long prot, int shared) { const struct cred *cred = current_cred(); int rc = 0; -#ifndef CONFIG_PPC32 - if ((prot & PROT_EXEC) && (!file || (!shared && (prot & PROT_WRITE)))) { + if (default_noexec && + (prot & PROT_EXEC) && (!file || (!shared && (prot & PROT_WRITE)))) { /* * We are making executable an anonymous mapping or a * private file mapping that will also be writable. @@ -3015,7 +2995,6 @@ static int file_map_prot_check(struct file *file, unsigned long prot, int shared if (rc) goto error; } -#endif if (file) { /* read access is always possible with a mapping */ @@ -3076,8 +3055,8 @@ static int selinux_file_mprotect(struct vm_area_struct *vma, if (selinux_checkreqprot) prot = reqprot; -#ifndef CONFIG_PPC32 - if ((prot & PROT_EXEC) && !(vma->vm_flags & VM_EXEC)) { + if (default_noexec && + (prot & PROT_EXEC) && !(vma->vm_flags & VM_EXEC)) { int rc = 0; if (vma->vm_start >= vma->vm_mm->start_brk && vma->vm_end <= vma->vm_mm->brk) { @@ -3099,7 +3078,6 @@ static int selinux_file_mprotect(struct vm_area_struct *vma, if (rc) return rc; } -#endif return file_map_prot_check(vma->vm_file, prot, vma->vm_flags&VM_SHARED); } @@ -4002,7 +3980,7 @@ static int selinux_socket_unix_stream_connect(struct socket *sock, struct socket *other, struct sock *newsk) { - struct sk_security_struct *ssec; + struct sk_security_struct *sksec; struct inode_security_struct *isec; struct inode_security_struct *other_isec; struct common_audit_data ad; @@ -4021,13 +3999,13 @@ static int selinux_socket_unix_stream_connect(struct socket *sock, return err; /* connecting socket */ - ssec = sock->sk->sk_security; - ssec->peer_sid = other_isec->sid; + sksec = sock->sk->sk_security; + sksec->peer_sid = other_isec->sid; /* server child socket */ - ssec = newsk->sk_security; - ssec->peer_sid = isec->sid; - err = security_sid_mls_copy(other_isec->sid, ssec->peer_sid, &ssec->sid); + sksec = newsk->sk_security; + sksec->peer_sid = isec->sid; + err = security_sid_mls_copy(other_isec->sid, sksec->peer_sid, &sksec->sid); return err; } @@ -4190,7 +4168,7 @@ static int selinux_socket_getpeersec_stream(struct socket *sock, char __user *op int err = 0; char *scontext; u32 scontext_len; - struct sk_security_struct *ssec; + struct sk_security_struct *sksec; struct inode_security_struct *isec; u32 peer_sid = SECSID_NULL; @@ -4198,8 +4176,8 @@ static int selinux_socket_getpeersec_stream(struct socket *sock, char __user *op if (isec->sclass == SECCLASS_UNIX_STREAM_SOCKET || isec->sclass == SECCLASS_TCP_SOCKET) { - ssec = sock->sk->sk_security; - peer_sid = ssec->peer_sid; + sksec = sock->sk->sk_security; + peer_sid = sksec->peer_sid; } if (peer_sid == SECSID_NULL) { err = -ENOPROTOOPT; @@ -4266,14 +4244,14 @@ static void selinux_sk_free_security(struct sock *sk) static void selinux_sk_clone_security(const struct sock *sk, struct sock *newsk) { - struct sk_security_struct *ssec = sk->sk_security; - struct sk_security_struct *newssec = newsk->sk_security; + struct sk_security_struct *sksec = sk->sk_security; + struct sk_security_struct *newsksec = newsk->sk_security; - newssec->sid = ssec->sid; - newssec->peer_sid = ssec->peer_sid; - newssec->sclass = ssec->sclass; + newsksec->sid = sksec->sid; + newsksec->peer_sid = sksec->peer_sid; + newsksec->sclass = sksec->sclass; - selinux_netlbl_sk_security_reset(newssec); + selinux_netlbl_sk_security_reset(newsksec); } static void selinux_sk_getsecid(struct sock *sk, u32 *secid) @@ -5662,6 +5640,8 @@ static __init int selinux_init(void) /* Set the security state for the initial task. */ cred_init_security(); + default_noexec = !(VM_DATA_DEFAULT_FLAGS & VM_EXEC); + sel_inode_cache = kmem_cache_create("selinux_inode_security", sizeof(struct inode_security_struct), 0, SLAB_PANIC, NULL); @@ -5678,35 +5658,18 @@ static __init int selinux_init(void) return 0; } +static void delayed_superblock_init(struct super_block *sb, void *unused) +{ + superblock_doinit(sb, NULL); +} + void selinux_complete_init(void) { printk(KERN_DEBUG "SELinux: Completing initialization.\n"); /* Set up any superblocks initialized prior to the policy load. */ printk(KERN_DEBUG "SELinux: Setting up existing superblocks.\n"); - spin_lock(&sb_lock); - spin_lock(&sb_security_lock); -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 super_block *sb = sbsec->sb; - sb->s_count++; - spin_unlock(&sb_security_lock); - spin_unlock(&sb_lock); - down_read(&sb->s_umount); - if (sb->s_root) - superblock_doinit(sb, NULL); - drop_super(sb); - spin_lock(&sb_lock); - spin_lock(&sb_security_lock); - list_del_init(&sbsec->list); - goto next_sb; - } - spin_unlock(&sb_security_lock); - spin_unlock(&sb_lock); + iterate_supers(delayed_superblock_init, NULL); } /* SELinux requires early initialization in order to label diff --git a/security/selinux/include/initial_sid_to_string.h b/security/selinux/include/initial_sid_to_string.h index d4fac82793ae..a59b64e3fd02 100644 --- a/security/selinux/include/initial_sid_to_string.h +++ b/security/selinux/include/initial_sid_to_string.h @@ -1,5 +1,5 @@ /* This file is automatically generated. Do not edit. */ -static char *initial_sid_to_string[] = +static const char *initial_sid_to_string[] = { "null", "kernel", diff --git a/security/selinux/include/netlabel.h b/security/selinux/include/netlabel.h index 8d7384280a7a..cf2f628e6e28 100644 --- a/security/selinux/include/netlabel.h +++ b/security/selinux/include/netlabel.h @@ -42,8 +42,8 @@ void selinux_netlbl_cache_invalidate(void); void selinux_netlbl_err(struct sk_buff *skb, int error, int gateway); -void selinux_netlbl_sk_security_free(struct sk_security_struct *ssec); -void selinux_netlbl_sk_security_reset(struct sk_security_struct *ssec); +void selinux_netlbl_sk_security_free(struct sk_security_struct *sksec); +void selinux_netlbl_sk_security_reset(struct sk_security_struct *sksec); int selinux_netlbl_skbuff_getsid(struct sk_buff *skb, u16 family, @@ -79,13 +79,13 @@ static inline void selinux_netlbl_err(struct sk_buff *skb, } static inline void selinux_netlbl_sk_security_free( - struct sk_security_struct *ssec) + struct sk_security_struct *sksec) { return; } static inline void selinux_netlbl_sk_security_reset( - struct sk_security_struct *ssec) + struct sk_security_struct *sksec) { return; } diff --git a/security/selinux/include/objsec.h b/security/selinux/include/objsec.h index c4e062336ef3..26c7eee1c309 100644 --- a/security/selinux/include/objsec.h +++ b/security/selinux/include/objsec.h @@ -55,7 +55,6 @@ struct file_security_struct { struct superblock_security_struct { struct super_block *sb; /* back pointer to sb object */ - struct list_head list; /* list of superblock_security_struct */ u32 sid; /* SID of file system superblock */ u32 def_sid; /* default SID for labeling */ u32 mntpoint_sid; /* SECURITY_FS_USE_MNTPOINT context for files */ diff --git a/security/selinux/netlabel.c b/security/selinux/netlabel.c index 628da72ee763..1c2fc46544bf 100644 --- a/security/selinux/netlabel.c +++ b/security/selinux/netlabel.c @@ -132,21 +132,21 @@ void selinux_netlbl_err(struct sk_buff *skb, int error, int gateway) /** * selinux_netlbl_sk_security_free - Free the NetLabel fields - * @sssec: the sk_security_struct + * @sksec: the sk_security_struct * * Description: * Free all of the memory in the NetLabel fields of a sk_security_struct. * */ -void selinux_netlbl_sk_security_free(struct sk_security_struct *ssec) +void selinux_netlbl_sk_security_free(struct sk_security_struct *sksec) { - if (ssec->nlbl_secattr != NULL) - netlbl_secattr_free(ssec->nlbl_secattr); + if (sksec->nlbl_secattr != NULL) + netlbl_secattr_free(sksec->nlbl_secattr); } /** * selinux_netlbl_sk_security_reset - Reset the NetLabel fields - * @ssec: the sk_security_struct + * @sksec: the sk_security_struct * @family: the socket family * * Description: @@ -154,9 +154,9 @@ void selinux_netlbl_sk_security_free(struct sk_security_struct *ssec) * The caller is responsibile for all the NetLabel sk_security_struct locking. * */ -void selinux_netlbl_sk_security_reset(struct sk_security_struct *ssec) +void selinux_netlbl_sk_security_reset(struct sk_security_struct *sksec) { - ssec->nlbl_state = NLBL_UNSET; + sksec->nlbl_state = NLBL_UNSET; } /** diff --git a/security/selinux/netlink.c b/security/selinux/netlink.c index 0e147b6914ad..36ac257cec9a 100644 --- a/security/selinux/netlink.c +++ b/security/selinux/netlink.c @@ -14,7 +14,6 @@ #include <linux/slab.h> #include <linux/stddef.h> #include <linux/kernel.h> -#include <linux/list.h> #include <linux/skbuff.h> #include <linux/netlink.h> #include <linux/selinux_netlink.h> diff --git a/security/selinux/nlmsgtab.c b/security/selinux/nlmsgtab.c index dd7cc6de77f9..75ec0c6ebacd 100644 --- a/security/selinux/nlmsgtab.c +++ b/security/selinux/nlmsgtab.c @@ -11,7 +11,6 @@ */ #include <linux/types.h> #include <linux/kernel.h> -#include <linux/skbuff.h> #include <linux/netlink.h> #include <linux/rtnetlink.h> #include <linux/if.h> diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c index cd191bbec03c..0293843f7eda 100644 --- a/security/selinux/selinuxfs.c +++ b/security/selinux/selinuxfs.c @@ -503,11 +503,11 @@ static ssize_t sel_write_access(struct file *file, char *buf, size_t size) return length; length = -ENOMEM; - scon = kzalloc(size+1, GFP_KERNEL); + scon = kzalloc(size + 1, GFP_KERNEL); if (!scon) return length; - tcon = kzalloc(size+1, GFP_KERNEL); + tcon = kzalloc(size + 1, GFP_KERNEL); if (!tcon) goto out; @@ -515,10 +515,10 @@ static ssize_t sel_write_access(struct file *file, char *buf, size_t size) if (sscanf(buf, "%s %s %hu", scon, tcon, &tclass) != 3) goto out2; - length = security_context_to_sid(scon, strlen(scon)+1, &ssid); + length = security_context_to_sid(scon, strlen(scon) + 1, &ssid); if (length < 0) goto out2; - length = security_context_to_sid(tcon, strlen(tcon)+1, &tsid); + length = security_context_to_sid(tcon, strlen(tcon) + 1, &tsid); if (length < 0) goto out2; @@ -550,11 +550,11 @@ static ssize_t sel_write_create(struct file *file, char *buf, size_t size) return length; length = -ENOMEM; - scon = kzalloc(size+1, GFP_KERNEL); + scon = kzalloc(size + 1, GFP_KERNEL); if (!scon) return length; - tcon = kzalloc(size+1, GFP_KERNEL); + tcon = kzalloc(size + 1, GFP_KERNEL); if (!tcon) goto out; @@ -562,10 +562,10 @@ static ssize_t sel_write_create(struct file *file, char *buf, size_t size) if (sscanf(buf, "%s %s %hu", scon, tcon, &tclass) != 3) goto out2; - length = security_context_to_sid(scon, strlen(scon)+1, &ssid); + length = security_context_to_sid(scon, strlen(scon) + 1, &ssid); if (length < 0) goto out2; - length = security_context_to_sid(tcon, strlen(tcon)+1, &tsid); + length = security_context_to_sid(tcon, strlen(tcon) + 1, &tsid); if (length < 0) goto out2; @@ -609,11 +609,11 @@ static ssize_t sel_write_relabel(struct file *file, char *buf, size_t size) return length; length = -ENOMEM; - scon = kzalloc(size+1, GFP_KERNEL); + scon = kzalloc(size + 1, GFP_KERNEL); if (!scon) return length; - tcon = kzalloc(size+1, GFP_KERNEL); + tcon = kzalloc(size + 1, GFP_KERNEL); if (!tcon) goto out; @@ -621,10 +621,10 @@ static ssize_t sel_write_relabel(struct file *file, char *buf, size_t size) if (sscanf(buf, "%s %s %hu", scon, tcon, &tclass) != 3) goto out2; - length = security_context_to_sid(scon, strlen(scon)+1, &ssid); + length = security_context_to_sid(scon, strlen(scon) + 1, &ssid); if (length < 0) goto out2; - length = security_context_to_sid(tcon, strlen(tcon)+1, &tsid); + length = security_context_to_sid(tcon, strlen(tcon) + 1, &tsid); if (length < 0) goto out2; @@ -666,11 +666,11 @@ static ssize_t sel_write_user(struct file *file, char *buf, size_t size) return length; length = -ENOMEM; - con = kzalloc(size+1, GFP_KERNEL); + con = kzalloc(size + 1, GFP_KERNEL); if (!con) return length; - user = kzalloc(size+1, GFP_KERNEL); + user = kzalloc(size + 1, GFP_KERNEL); if (!user) goto out; @@ -678,7 +678,7 @@ static ssize_t sel_write_user(struct file *file, char *buf, size_t size) if (sscanf(buf, "%s %s", con, user) != 2) goto out2; - length = security_context_to_sid(con, strlen(con)+1, &sid); + length = security_context_to_sid(con, strlen(con) + 1, &sid); if (length < 0) goto out2; @@ -727,11 +727,11 @@ static ssize_t sel_write_member(struct file *file, char *buf, size_t size) return length; length = -ENOMEM; - scon = kzalloc(size+1, GFP_KERNEL); + scon = kzalloc(size + 1, GFP_KERNEL); if (!scon) return length; - tcon = kzalloc(size+1, GFP_KERNEL); + tcon = kzalloc(size + 1, GFP_KERNEL); if (!tcon) goto out; @@ -739,10 +739,10 @@ static ssize_t sel_write_member(struct file *file, char *buf, size_t size) if (sscanf(buf, "%s %s %hu", scon, tcon, &tclass) != 3) goto out2; - length = security_context_to_sid(scon, strlen(scon)+1, &ssid); + length = security_context_to_sid(scon, strlen(scon) + 1, &ssid); if (length < 0) goto out2; - length = security_context_to_sid(tcon, strlen(tcon)+1, &tsid); + length = security_context_to_sid(tcon, strlen(tcon) + 1, &tsid); if (length < 0) goto out2; @@ -1401,7 +1401,7 @@ static int sel_make_perm_files(char *objclass, int classvalue, } inode->i_fop = &sel_perm_ops; /* i+1 since perm values are 1-indexed */ - inode->i_ino = sel_perm_to_ino(classvalue, i+1); + inode->i_ino = sel_perm_to_ino(classvalue, i + 1); d_add(dentry, inode); } @@ -1489,7 +1489,7 @@ static int sel_make_classes(void) goto out; /* +2 since classes are 1-indexed */ - last_class_ino = sel_class_to_ino(nclasses+2); + last_class_ino = sel_class_to_ino(nclasses + 2); for (i = 0; i < nclasses; i++) { struct dentry *class_name_dir; @@ -1506,7 +1506,7 @@ static int sel_make_classes(void) goto out1; /* i+1 since class values are 1-indexed */ - rc = sel_make_class_dir_entries(classes[i], i+1, + rc = sel_make_class_dir_entries(classes[i], i + 1, class_name_dir); if (rc) goto out1; diff --git a/security/selinux/ss/mls.c b/security/selinux/ss/mls.c index 372b773f8210..b4eff7a60c50 100644 --- a/security/selinux/ss/mls.c +++ b/security/selinux/ss/mls.c @@ -255,7 +255,7 @@ int mls_context_to_sid(struct policydb *pol, if (!pol->mls_enabled) { if (def_sid != SECSID_NULL && oldc) - *scontext += strlen(*scontext)+1; + *scontext += strlen(*scontext) + 1; return 0; } diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c index 23c6e53c102c..c57802a164d5 100644 --- a/security/selinux/ss/policydb.c +++ b/security/selinux/ss/policydb.c @@ -40,7 +40,7 @@ #define _DEBUG_HASHES #ifdef DEBUG_HASHES -static char *symtab_name[SYM_NUM] = { +static const char *symtab_name[SYM_NUM] = { "common prefixes", "classes", "roles", @@ -156,12 +156,11 @@ static int roles_init(struct policydb *p) rc = -EINVAL; goto out_free_role; } - key = kmalloc(strlen(OBJECT_R)+1, GFP_KERNEL); + key = kstrdup(OBJECT_R, GFP_KERNEL); if (!key) { rc = -ENOMEM; goto out_free_role; } - strcpy(key, OBJECT_R); rc = hashtab_insert(p->p_roles.table, key, role); if (rc) goto out_free_key; @@ -2195,7 +2194,7 @@ int policydb_read(struct policydb *p, void *fp) rangetr_hash_eval(p->range_tr); } - p->type_attr_map = kmalloc(p->p_types.nprim*sizeof(struct ebitmap), GFP_KERNEL); + p->type_attr_map = kmalloc(p->p_types.nprim * sizeof(struct ebitmap), GFP_KERNEL); if (!p->type_attr_map) goto bad; diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c index cf27b3ee1a95..1de60ce90d9a 100644 --- a/security/selinux/ss/services.c +++ b/security/selinux/ss/services.c @@ -274,15 +274,15 @@ static int constraint_expr_eval(struct context *scontext, case CEXPR_AND: BUG_ON(sp < 1); sp--; - s[sp] &= s[sp+1]; + s[sp] &= s[sp + 1]; break; case CEXPR_OR: BUG_ON(sp < 1); sp--; - s[sp] |= s[sp+1]; + s[sp] |= s[sp + 1]; break; case CEXPR_ATTR: - if (sp == (CEXPR_MAXDEPTH-1)) + if (sp == (CEXPR_MAXDEPTH - 1)) return 0; switch (e->attr) { case CEXPR_USER: @@ -1216,7 +1216,7 @@ static int security_context_to_sid_core(const char *scontext, u32 scontext_len, *sid = SECSID_NULL; /* Copy the string so that we can modify the copy as we parse it. */ - scontext2 = kmalloc(scontext_len+1, gfp_flags); + scontext2 = kmalloc(scontext_len + 1, gfp_flags); if (!scontext2) return -ENOMEM; memcpy(scontext2, scontext, scontext_len); @@ -1760,22 +1760,28 @@ int security_load_policy(void *data, size_t len) if (!ss_initialized) { avtab_cache_init(); - if (policydb_read(&policydb, fp)) { + rc = policydb_read(&policydb, fp); + if (rc) { avtab_cache_destroy(); - return -EINVAL; + return rc; } - if (selinux_set_mapping(&policydb, secclass_map, - ¤t_mapping, - ¤t_mapping_size)) { + + rc = selinux_set_mapping(&policydb, secclass_map, + ¤t_mapping, + ¤t_mapping_size); + if (rc) { policydb_destroy(&policydb); avtab_cache_destroy(); - return -EINVAL; + return rc; } - if (policydb_load_isids(&policydb, &sidtab)) { + + rc = policydb_load_isids(&policydb, &sidtab); + if (rc) { policydb_destroy(&policydb); avtab_cache_destroy(); - return -EINVAL; + return rc; } + security_load_policycaps(); ss_initialized = 1; seqno = ++latest_granting; @@ -1791,8 +1797,9 @@ int security_load_policy(void *data, size_t len) sidtab_hash_eval(&sidtab, "sids"); #endif - if (policydb_read(&newpolicydb, fp)) - return -EINVAL; + rc = policydb_read(&newpolicydb, fp); + if (rc) + return rc; /* If switching between different policy types, log MLS status */ if (policydb.mls_enabled && !newpolicydb.mls_enabled) @@ -1807,8 +1814,8 @@ int security_load_policy(void *data, size_t len) return rc; } - if (selinux_set_mapping(&newpolicydb, secclass_map, - &map, &map_size)) + rc = selinux_set_mapping(&newpolicydb, secclass_map, &map, &map_size); + if (rc) goto err; rc = security_preserve_bools(&newpolicydb); @@ -1819,10 +1826,10 @@ int security_load_policy(void *data, size_t len) /* Clone the SID table. */ sidtab_shutdown(&sidtab); - if (sidtab_map(&sidtab, clone_sid, &newsidtab)) { - rc = -ENOMEM; + + rc = sidtab_map(&sidtab, clone_sid, &newsidtab); + if (rc) goto err; - } /* * Convert the internal representations of contexts @@ -2101,9 +2108,9 @@ int security_get_user_sids(u32 fromsid, ebitmap_for_each_positive_bit(&user->roles, rnode, i) { role = policydb.role_val_to_struct[i]; - usercon.role = i+1; + usercon.role = i + 1; ebitmap_for_each_positive_bit(&role->types, tnode, j) { - usercon.type = j+1; + usercon.type = j + 1; if (mls_setup_user_range(fromcon, user, &usercon)) continue; |