Merge branch 'upstream' of git://git.infradead.org/users/pcmoore/selinux into next
This commit is contained in:
James Morris
Коммит
a47c7a6c8a
|
|
@ -78,7 +78,7 @@ config SECURITY_SELINUX_CHECKREQPROT_VALUE
|
|||
int "NSA SELinux checkreqprot default value"
|
||||
depends on SECURITY_SELINUX
|
||||
range 0 1
|
||||
default 1
|
||||
default 0
|
||||
help
|
||||
This option sets the default value for the 'checkreqprot' flag
|
||||
that determines whether SELinux checks the protection requested
|
||||
|
|
@ -92,7 +92,7 @@ config SECURITY_SELINUX_CHECKREQPROT_VALUE
|
|||
'checkreqprot=' boot parameter. It may also be changed at runtime
|
||||
via /selinux/checkreqprot if authorized by policy.
|
||||
|
||||
If you are unsure how to answer this question, answer 1.
|
||||
If you are unsure how to answer this question, answer 0.
|
||||
|
||||
config SECURITY_SELINUX_POLICYDB_VERSION_MAX
|
||||
bool "NSA SELinux maximum supported policy format version"
|
||||
|
|
|
|||
|
|
@ -126,6 +126,7 @@ int selinux_enabled = 1;
|
|||
#endif
|
||||
|
||||
static struct kmem_cache *sel_inode_cache;
|
||||
static struct kmem_cache *file_security_cache;
|
||||
|
||||
/**
|
||||
* selinux_secmark_enabled - Check to see if SECMARK is currently enabled
|
||||
|
|
@ -287,7 +288,7 @@ static int file_alloc_security(struct file *file)
|
|||
struct file_security_struct *fsec;
|
||||
u32 sid = current_sid();
|
||||
|
||||
fsec = kzalloc(sizeof(struct file_security_struct), GFP_KERNEL);
|
||||
fsec = kmem_cache_zalloc(file_security_cache, GFP_KERNEL);
|
||||
if (!fsec)
|
||||
return -ENOMEM;
|
||||
|
||||
|
|
@ -302,7 +303,7 @@ static void file_free_security(struct file *file)
|
|||
{
|
||||
struct file_security_struct *fsec = file->f_security;
|
||||
file->f_security = NULL;
|
||||
kfree(fsec);
|
||||
kmem_cache_free(file_security_cache, fsec);
|
||||
}
|
||||
|
||||
static int superblock_alloc_security(struct super_block *sb)
|
||||
|
|
@ -674,10 +675,9 @@ static int selinux_set_mnt_opts(struct super_block *sb,
|
|||
|
||||
if (flags[i] == SBLABEL_MNT)
|
||||
continue;
|
||||
rc = security_context_to_sid(mount_options[i],
|
||||
strlen(mount_options[i]), &sid, GFP_KERNEL);
|
||||
rc = security_context_str_to_sid(mount_options[i], &sid, GFP_KERNEL);
|
||||
if (rc) {
|
||||
printk(KERN_WARNING "SELinux: security_context_to_sid"
|
||||
printk(KERN_WARNING "SELinux: security_context_str_to_sid"
|
||||
"(%s) failed for (dev %s, type %s) errno=%d\n",
|
||||
mount_options[i], sb->s_id, name, rc);
|
||||
goto out;
|
||||
|
|
@ -2617,15 +2617,12 @@ static int selinux_sb_remount(struct super_block *sb, void *data)
|
|||
|
||||
for (i = 0; i < opts.num_mnt_opts; i++) {
|
||||
u32 sid;
|
||||
size_t len;
|
||||
|
||||
if (flags[i] == SBLABEL_MNT)
|
||||
continue;
|
||||
len = strlen(mount_options[i]);
|
||||
rc = security_context_to_sid(mount_options[i], len, &sid,
|
||||
GFP_KERNEL);
|
||||
rc = security_context_str_to_sid(mount_options[i], &sid, GFP_KERNEL);
|
||||
if (rc) {
|
||||
printk(KERN_WARNING "SELinux: security_context_to_sid"
|
||||
printk(KERN_WARNING "SELinux: security_context_str_to_sid"
|
||||
"(%s) failed for (dev %s, type %s) errno=%d\n",
|
||||
mount_options[i], sb->s_id, sb->s_type->name, rc);
|
||||
goto out_free_opts;
|
||||
|
|
@ -2946,7 +2943,8 @@ static int selinux_inode_setattr(struct dentry *dentry, struct iattr *iattr)
|
|||
ATTR_ATIME_SET | ATTR_MTIME_SET | ATTR_TIMES_SET))
|
||||
return dentry_has_perm(cred, dentry, FILE__SETATTR);
|
||||
|
||||
if (selinux_policycap_openperm && (ia_valid & ATTR_SIZE))
|
||||
if (selinux_policycap_openperm && (ia_valid & ATTR_SIZE)
|
||||
&& !(ia_valid & ATTR_FILE))
|
||||
av |= FILE__OPEN;
|
||||
|
||||
return dentry_has_perm(cred, dentry, av);
|
||||
|
|
@ -3166,7 +3164,7 @@ 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, GFP_KERNEL);
|
||||
rc = security_context_to_sid(value, size, &newsid, GFP_KERNEL);
|
||||
if (rc)
|
||||
return rc;
|
||||
|
||||
|
|
@ -3238,7 +3236,7 @@ static void selinux_file_free_security(struct file *file)
|
|||
* Check whether a task has the ioctl permission and cmd
|
||||
* operation to an inode.
|
||||
*/
|
||||
int ioctl_has_perm(const struct cred *cred, struct file *file,
|
||||
static int ioctl_has_perm(const struct cred *cred, struct file *file,
|
||||
u32 requested, u16 cmd)
|
||||
{
|
||||
struct common_audit_data ad;
|
||||
|
|
@ -6089,6 +6087,9 @@ static __init int selinux_init(void)
|
|||
sel_inode_cache = kmem_cache_create("selinux_inode_security",
|
||||
sizeof(struct inode_security_struct),
|
||||
0, SLAB_PANIC, NULL);
|
||||
file_security_cache = kmem_cache_create("selinux_file_security",
|
||||
sizeof(struct file_security_struct),
|
||||
0, SLAB_PANIC, NULL);
|
||||
avc_init();
|
||||
|
||||
security_add_hooks(selinux_hooks, ARRAY_SIZE(selinux_hooks));
|
||||
|
|
|
|||
|
|
@ -166,6 +166,8 @@ int security_sid_to_context_force(u32 sid, char **scontext, u32 *scontext_len);
|
|||
int security_context_to_sid(const char *scontext, u32 scontext_len,
|
||||
u32 *out_sid, gfp_t gfp);
|
||||
|
||||
int security_context_str_to_sid(const char *scontext, u32 *out_sid, gfp_t gfp);
|
||||
|
||||
int security_context_to_sid_default(const char *scontext, u32 scontext_len,
|
||||
u32 *out_sid, u32 def_sid, gfp_t gfp_flags);
|
||||
|
||||
|
|
|
|||
|
|
@ -731,13 +731,11 @@ 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 out;
|
||||
|
||||
length = security_context_to_sid(scon, strlen(scon) + 1, &ssid,
|
||||
GFP_KERNEL);
|
||||
length = security_context_str_to_sid(scon, &ssid, GFP_KERNEL);
|
||||
if (length)
|
||||
goto out;
|
||||
|
||||
length = security_context_to_sid(tcon, strlen(tcon) + 1, &tsid,
|
||||
GFP_KERNEL);
|
||||
length = security_context_str_to_sid(tcon, &tsid, GFP_KERNEL);
|
||||
if (length)
|
||||
goto out;
|
||||
|
||||
|
|
@ -819,13 +817,11 @@ static ssize_t sel_write_create(struct file *file, char *buf, size_t size)
|
|||
objname = namebuf;
|
||||
}
|
||||
|
||||
length = security_context_to_sid(scon, strlen(scon) + 1, &ssid,
|
||||
GFP_KERNEL);
|
||||
length = security_context_str_to_sid(scon, &ssid, GFP_KERNEL);
|
||||
if (length)
|
||||
goto out;
|
||||
|
||||
length = security_context_to_sid(tcon, strlen(tcon) + 1, &tsid,
|
||||
GFP_KERNEL);
|
||||
length = security_context_str_to_sid(tcon, &tsid, GFP_KERNEL);
|
||||
if (length)
|
||||
goto out;
|
||||
|
||||
|
|
@ -882,13 +878,11 @@ 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 out;
|
||||
|
||||
length = security_context_to_sid(scon, strlen(scon) + 1, &ssid,
|
||||
GFP_KERNEL);
|
||||
length = security_context_str_to_sid(scon, &ssid, GFP_KERNEL);
|
||||
if (length)
|
||||
goto out;
|
||||
|
||||
length = security_context_to_sid(tcon, strlen(tcon) + 1, &tsid,
|
||||
GFP_KERNEL);
|
||||
length = security_context_str_to_sid(tcon, &tsid, GFP_KERNEL);
|
||||
if (length)
|
||||
goto out;
|
||||
|
||||
|
|
@ -940,7 +934,7 @@ static ssize_t sel_write_user(struct file *file, char *buf, size_t size)
|
|||
if (sscanf(buf, "%s %s", con, user) != 2)
|
||||
goto out;
|
||||
|
||||
length = security_context_to_sid(con, strlen(con) + 1, &sid, GFP_KERNEL);
|
||||
length = security_context_str_to_sid(con, &sid, GFP_KERNEL);
|
||||
if (length)
|
||||
goto out;
|
||||
|
||||
|
|
@ -1000,13 +994,11 @@ 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 out;
|
||||
|
||||
length = security_context_to_sid(scon, strlen(scon) + 1, &ssid,
|
||||
GFP_KERNEL);
|
||||
length = security_context_str_to_sid(scon, &ssid, GFP_KERNEL);
|
||||
if (length)
|
||||
goto out;
|
||||
|
||||
length = security_context_to_sid(tcon, strlen(tcon) + 1, &tsid,
|
||||
GFP_KERNEL);
|
||||
length = security_context_str_to_sid(tcon, &tsid, GFP_KERNEL);
|
||||
if (length)
|
||||
goto out;
|
||||
|
||||
|
|
|
|||
|
|
@ -1218,13 +1218,10 @@ static int context_struct_to_string(struct context *context, char **scontext, u3
|
|||
/*
|
||||
* Copy the user name, role name and type name into the context.
|
||||
*/
|
||||
sprintf(scontextp, "%s:%s:%s",
|
||||
scontextp += sprintf(scontextp, "%s:%s:%s",
|
||||
sym_name(&policydb, SYM_USERS, context->user - 1),
|
||||
sym_name(&policydb, SYM_ROLES, context->role - 1),
|
||||
sym_name(&policydb, SYM_TYPES, context->type - 1));
|
||||
scontextp += strlen(sym_name(&policydb, SYM_USERS, context->user - 1)) +
|
||||
1 + strlen(sym_name(&policydb, SYM_ROLES, context->role - 1)) +
|
||||
1 + strlen(sym_name(&policydb, SYM_TYPES, context->type - 1));
|
||||
|
||||
mls_sid_to_context(context, &scontextp);
|
||||
|
||||
|
|
@ -1259,12 +1256,12 @@ static int security_sid_to_context_core(u32 sid, char **scontext,
|
|||
*scontext_len = strlen(initial_sid_to_string[sid]) + 1;
|
||||
if (!scontext)
|
||||
goto out;
|
||||
scontextp = kmalloc(*scontext_len, GFP_ATOMIC);
|
||||
scontextp = kmemdup(initial_sid_to_string[sid],
|
||||
*scontext_len, GFP_ATOMIC);
|
||||
if (!scontextp) {
|
||||
rc = -ENOMEM;
|
||||
goto out;
|
||||
}
|
||||
strcpy(scontextp, initial_sid_to_string[sid]);
|
||||
*scontext = scontextp;
|
||||
goto out;
|
||||
}
|
||||
|
|
@ -1476,6 +1473,11 @@ int security_context_to_sid(const char *scontext, u32 scontext_len, u32 *sid,
|
|||
sid, SECSID_NULL, gfp, 0);
|
||||
}
|
||||
|
||||
int security_context_str_to_sid(const char *scontext, u32 *sid, gfp_t gfp)
|
||||
{
|
||||
return security_context_to_sid(scontext, strlen(scontext), sid, gfp);
|
||||
}
|
||||
|
||||
/**
|
||||
* security_context_to_sid_default - Obtain a SID for a given security context,
|
||||
* falling back to specified default if needed.
|
||||
|
|
@ -2604,18 +2606,12 @@ int security_get_bools(int *len, char ***names, int **values)
|
|||
goto err;
|
||||
|
||||
for (i = 0; i < *len; i++) {
|
||||
size_t name_len;
|
||||
|
||||
(*values)[i] = policydb.bool_val_to_struct[i]->state;
|
||||
name_len = strlen(sym_name(&policydb, SYM_BOOLS, i)) + 1;
|
||||
|
||||
rc = -ENOMEM;
|
||||
(*names)[i] = kmalloc(sizeof(char) * name_len, GFP_ATOMIC);
|
||||
(*names)[i] = kstrdup(sym_name(&policydb, SYM_BOOLS, i), GFP_ATOMIC);
|
||||
if (!(*names)[i])
|
||||
goto err;
|
||||
|
||||
strncpy((*names)[i], sym_name(&policydb, SYM_BOOLS, i), name_len);
|
||||
(*names)[i][name_len - 1] = 0;
|
||||
}
|
||||
rc = 0;
|
||||
out:
|
||||
|
|
|
|||
Загрузка…
Ссылка в новой задаче