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containers.cpython-312.pyc
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� fk � � � d � Z d� Zd� Zy)c �0 � | syd}|j d| � S )NzV static inline int _cgroup_filter() { return 0; } z� BPF_TABLE_PINNED("hash", u64, u64, cgroupset, 1024, "CGROUP_PATH"); static inline int _cgroup_filter() { u64 cgroupid = bpf_get_current_cgroup_id(); return cgroupset.lookup(&cgroupid) == NULL; } � CGROUP_PATH��replace)� cgroupmap�texts �0/usr/lib/python3/dist-packages/bcc/containers.py�_cgroup_filter_func_writerr s$ � � � � �D� �<�<� �y� 1�1� c �0 � | syd}|j d| � S )NzU static inline int _mntns_filter() { return 0; } a� #include <linux/nsproxy.h> #include <linux/mount.h> #include <linux/ns_common.h> /* see mountsnoop.py: * XXX: struct mnt_namespace is defined in fs/mount.h, which is private * to the VFS and not installed in any kernel-devel packages. So, let's * duplicate the important part of the definition. There are actually * more members in the real struct, but we don't need them, and they're * more likely to change. */ struct mnt_namespace { // This field was removed in https://github.com/torvalds/linux/commit/1a7b8969e664d6af328f00fe6eb7aabd61a71d13 #if LINUX_VERSION_CODE < KERNEL_VERSION(5, 11, 0) atomic_t count; #endif struct ns_common ns; }; /* * To add mountsnoop support for --selector option, we need to call * filter_by_containers(). * This function adds code which defines struct mnt_namespace. * The problem is that this struct is also defined in mountsnoop BPF code. * To avoid redefining it in mountnsoop code, we define * MNT_NAMESPACE_DEFINED here. * Then, in mountsnoop code, the struct mnt_namespace definition is guarded * by: * #ifndef MNT_NAMESPACE_DEFINED * // ... * #endif */ #define MNT_NAMESPACE_DEFINED BPF_TABLE_PINNED("hash", u64, u32, mount_ns_set, 1024, "MOUNT_NS_PATH"); static inline int _mntns_filter() { struct task_struct *current_task; struct nsproxy *nsproxy; struct mnt_namespace *mnt_ns; unsigned int inum; u64 ns_id; current_task = (struct task_struct *)bpf_get_current_task(); if (bpf_probe_read_kernel(&nsproxy, sizeof(nsproxy), ¤t_task->nsproxy)) return 0; if (bpf_probe_read_kernel(&mnt_ns, sizeof(mnt_ns), &nsproxy->mnt_ns)) return 0; if (bpf_probe_read_kernel(&inum, sizeof(inum), &mnt_ns->ns.inum)) return 0; ns_id = (u64) inum; return mount_ns_set.lookup(&ns_id) == NULL; } � MOUNT_NS_PATHr )�mntnsmapr s r �_mntns_filter_func_writerr " s% � � � � : �D�x �<�<��� 2�2r c �j � d}t | j � }t | j � }||z |z S )Nzv static inline int container_should_be_filtered() { return _cgroup_filter() || _mntns_filter(); } )r r r r )�args�filter_by_containers_text�cgroupmap_text� mntnsmap_texts r �filter_by_containersr g s9 � �!� � 0����?�N�-�d�m�m�<�M� �M� )�,E� E�Er N)r r r � r r �<module>r s �� 2�&C3�J Fr