if (!file_caps_enabled)
return 0;
- if (!mnt_may_suid(bprm->file->f_path.mnt))
+ if (path_nosuid(&bprm->file->f_path))
return 0;
/*
int cap_inode_setxattr(struct dentry *dentry, const char *name,
const void *value, size_t size, int flags)
{
+ struct user_namespace *user_ns = dentry->d_sb->s_user_ns;
+
if (!strcmp(name, XATTR_NAME_CAPS)) {
- if (!capable(CAP_SETFCAP))
+ if (!ns_capable(user_ns, CAP_SETFCAP))
return -EPERM;
return 0;
}
if (!strncmp(name, XATTR_SECURITY_PREFIX,
sizeof(XATTR_SECURITY_PREFIX) - 1) &&
- !capable(CAP_SYS_ADMIN))
+ !ns_capable(user_ns, CAP_SYS_ADMIN))
return -EPERM;
return 0;
}
*/
int cap_inode_removexattr(struct dentry *dentry, const char *name)
{
+ struct user_namespace *user_ns = dentry->d_sb->s_user_ns;
+
if (!strcmp(name, XATTR_NAME_CAPS)) {
- if (!capable(CAP_SETFCAP))
+ if (!ns_capable(user_ns, CAP_SETFCAP))
return -EPERM;
return 0;
}
if (!strncmp(name, XATTR_SECURITY_PREFIX,
sizeof(XATTR_SECURITY_PREFIX) - 1) &&
- !capable(CAP_SYS_ADMIN))
+ !ns_capable(user_ns, CAP_SYS_ADMIN))
return -EPERM;
return 0;
}
}
return ret;
}
+EXPORT_SYMBOL_GPL(cap_mmap_addr);
int cap_mmap_file(struct file *file, unsigned long reqprot,
unsigned long prot, unsigned long flags)
{
return 0;
}
+EXPORT_SYMBOL_GPL(cap_mmap_file);
#ifdef CONFIG_SECURITY