|
|
|
@ -108,7 +108,7 @@ pub use xdp::{Xdp, XdpError, XdpFlags};
|
|
|
|
|
use crate::{
|
|
|
|
|
generated::{bpf_attach_type, bpf_link_info, bpf_prog_info, bpf_prog_type},
|
|
|
|
|
maps::MapError,
|
|
|
|
|
obj::{self, btf::BtfError, Function, VerifierLog},
|
|
|
|
|
obj::{self, btf::BtfError, VerifierLog},
|
|
|
|
|
pin::PinError,
|
|
|
|
|
programs::utils::{boot_time, get_fdinfo},
|
|
|
|
|
sys::{
|
|
|
|
@ -292,90 +292,90 @@ impl Program {
|
|
|
|
|
pub fn prog_type(&self) -> bpf_prog_type {
|
|
|
|
|
use crate::generated::bpf_prog_type::*;
|
|
|
|
|
match self {
|
|
|
|
|
Program::KProbe(_) => BPF_PROG_TYPE_KPROBE,
|
|
|
|
|
Program::UProbe(_) => BPF_PROG_TYPE_KPROBE,
|
|
|
|
|
Program::TracePoint(_) => BPF_PROG_TYPE_TRACEPOINT,
|
|
|
|
|
Program::SocketFilter(_) => BPF_PROG_TYPE_SOCKET_FILTER,
|
|
|
|
|
Program::Xdp(_) => BPF_PROG_TYPE_XDP,
|
|
|
|
|
Program::SkMsg(_) => BPF_PROG_TYPE_SK_MSG,
|
|
|
|
|
Program::SkSkb(_) => BPF_PROG_TYPE_SK_SKB,
|
|
|
|
|
Program::SockOps(_) => BPF_PROG_TYPE_SOCK_OPS,
|
|
|
|
|
Program::SchedClassifier(_) => BPF_PROG_TYPE_SCHED_CLS,
|
|
|
|
|
Program::CgroupSkb(_) => BPF_PROG_TYPE_CGROUP_SKB,
|
|
|
|
|
Program::CgroupSysctl(_) => BPF_PROG_TYPE_CGROUP_SYSCTL,
|
|
|
|
|
Program::CgroupSockopt(_) => BPF_PROG_TYPE_CGROUP_SOCKOPT,
|
|
|
|
|
Program::LircMode2(_) => BPF_PROG_TYPE_LIRC_MODE2,
|
|
|
|
|
Program::PerfEvent(_) => BPF_PROG_TYPE_PERF_EVENT,
|
|
|
|
|
Program::RawTracePoint(_) => BPF_PROG_TYPE_RAW_TRACEPOINT,
|
|
|
|
|
Program::Lsm(_) => BPF_PROG_TYPE_LSM,
|
|
|
|
|
Program::BtfTracePoint(_) => BPF_PROG_TYPE_TRACING,
|
|
|
|
|
Program::FEntry(_) => BPF_PROG_TYPE_TRACING,
|
|
|
|
|
Program::FExit(_) => BPF_PROG_TYPE_TRACING,
|
|
|
|
|
Program::Extension(_) => BPF_PROG_TYPE_EXT,
|
|
|
|
|
Program::CgroupSockAddr(_) => BPF_PROG_TYPE_CGROUP_SOCK_ADDR,
|
|
|
|
|
Program::SkLookup(_) => BPF_PROG_TYPE_SK_LOOKUP,
|
|
|
|
|
Program::CgroupSock(_) => BPF_PROG_TYPE_CGROUP_SOCK,
|
|
|
|
|
Program::CgroupDevice(_) => BPF_PROG_TYPE_CGROUP_DEVICE,
|
|
|
|
|
Self::KProbe(_) => BPF_PROG_TYPE_KPROBE,
|
|
|
|
|
Self::UProbe(_) => BPF_PROG_TYPE_KPROBE,
|
|
|
|
|
Self::TracePoint(_) => BPF_PROG_TYPE_TRACEPOINT,
|
|
|
|
|
Self::SocketFilter(_) => BPF_PROG_TYPE_SOCKET_FILTER,
|
|
|
|
|
Self::Xdp(_) => BPF_PROG_TYPE_XDP,
|
|
|
|
|
Self::SkMsg(_) => BPF_PROG_TYPE_SK_MSG,
|
|
|
|
|
Self::SkSkb(_) => BPF_PROG_TYPE_SK_SKB,
|
|
|
|
|
Self::SockOps(_) => BPF_PROG_TYPE_SOCK_OPS,
|
|
|
|
|
Self::SchedClassifier(_) => BPF_PROG_TYPE_SCHED_CLS,
|
|
|
|
|
Self::CgroupSkb(_) => BPF_PROG_TYPE_CGROUP_SKB,
|
|
|
|
|
Self::CgroupSysctl(_) => BPF_PROG_TYPE_CGROUP_SYSCTL,
|
|
|
|
|
Self::CgroupSockopt(_) => BPF_PROG_TYPE_CGROUP_SOCKOPT,
|
|
|
|
|
Self::LircMode2(_) => BPF_PROG_TYPE_LIRC_MODE2,
|
|
|
|
|
Self::PerfEvent(_) => BPF_PROG_TYPE_PERF_EVENT,
|
|
|
|
|
Self::RawTracePoint(_) => BPF_PROG_TYPE_RAW_TRACEPOINT,
|
|
|
|
|
Self::Lsm(_) => BPF_PROG_TYPE_LSM,
|
|
|
|
|
Self::BtfTracePoint(_) => BPF_PROG_TYPE_TRACING,
|
|
|
|
|
Self::FEntry(_) => BPF_PROG_TYPE_TRACING,
|
|
|
|
|
Self::FExit(_) => BPF_PROG_TYPE_TRACING,
|
|
|
|
|
Self::Extension(_) => BPF_PROG_TYPE_EXT,
|
|
|
|
|
Self::CgroupSockAddr(_) => BPF_PROG_TYPE_CGROUP_SOCK_ADDR,
|
|
|
|
|
Self::SkLookup(_) => BPF_PROG_TYPE_SK_LOOKUP,
|
|
|
|
|
Self::CgroupSock(_) => BPF_PROG_TYPE_CGROUP_SOCK,
|
|
|
|
|
Self::CgroupDevice(_) => BPF_PROG_TYPE_CGROUP_DEVICE,
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// Pin the program to the provided path
|
|
|
|
|
pub fn pin<P: AsRef<Path>>(&mut self, path: P) -> Result<(), PinError> {
|
|
|
|
|
match self {
|
|
|
|
|
Program::KProbe(p) => p.pin(path),
|
|
|
|
|
Program::UProbe(p) => p.pin(path),
|
|
|
|
|
Program::TracePoint(p) => p.pin(path),
|
|
|
|
|
Program::SocketFilter(p) => p.pin(path),
|
|
|
|
|
Program::Xdp(p) => p.pin(path),
|
|
|
|
|
Program::SkMsg(p) => p.pin(path),
|
|
|
|
|
Program::SkSkb(p) => p.pin(path),
|
|
|
|
|
Program::SockOps(p) => p.pin(path),
|
|
|
|
|
Program::SchedClassifier(p) => p.pin(path),
|
|
|
|
|
Program::CgroupSkb(p) => p.pin(path),
|
|
|
|
|
Program::CgroupSysctl(p) => p.pin(path),
|
|
|
|
|
Program::CgroupSockopt(p) => p.pin(path),
|
|
|
|
|
Program::LircMode2(p) => p.pin(path),
|
|
|
|
|
Program::PerfEvent(p) => p.pin(path),
|
|
|
|
|
Program::RawTracePoint(p) => p.pin(path),
|
|
|
|
|
Program::Lsm(p) => p.pin(path),
|
|
|
|
|
Program::BtfTracePoint(p) => p.pin(path),
|
|
|
|
|
Program::FEntry(p) => p.pin(path),
|
|
|
|
|
Program::FExit(p) => p.pin(path),
|
|
|
|
|
Program::Extension(p) => p.pin(path),
|
|
|
|
|
Program::CgroupSockAddr(p) => p.pin(path),
|
|
|
|
|
Program::SkLookup(p) => p.pin(path),
|
|
|
|
|
Program::CgroupSock(p) => p.pin(path),
|
|
|
|
|
Program::CgroupDevice(p) => p.pin(path),
|
|
|
|
|
Self::KProbe(p) => p.pin(path),
|
|
|
|
|
Self::UProbe(p) => p.pin(path),
|
|
|
|
|
Self::TracePoint(p) => p.pin(path),
|
|
|
|
|
Self::SocketFilter(p) => p.pin(path),
|
|
|
|
|
Self::Xdp(p) => p.pin(path),
|
|
|
|
|
Self::SkMsg(p) => p.pin(path),
|
|
|
|
|
Self::SkSkb(p) => p.pin(path),
|
|
|
|
|
Self::SockOps(p) => p.pin(path),
|
|
|
|
|
Self::SchedClassifier(p) => p.pin(path),
|
|
|
|
|
Self::CgroupSkb(p) => p.pin(path),
|
|
|
|
|
Self::CgroupSysctl(p) => p.pin(path),
|
|
|
|
|
Self::CgroupSockopt(p) => p.pin(path),
|
|
|
|
|
Self::LircMode2(p) => p.pin(path),
|
|
|
|
|
Self::PerfEvent(p) => p.pin(path),
|
|
|
|
|
Self::RawTracePoint(p) => p.pin(path),
|
|
|
|
|
Self::Lsm(p) => p.pin(path),
|
|
|
|
|
Self::BtfTracePoint(p) => p.pin(path),
|
|
|
|
|
Self::FEntry(p) => p.pin(path),
|
|
|
|
|
Self::FExit(p) => p.pin(path),
|
|
|
|
|
Self::Extension(p) => p.pin(path),
|
|
|
|
|
Self::CgroupSockAddr(p) => p.pin(path),
|
|
|
|
|
Self::SkLookup(p) => p.pin(path),
|
|
|
|
|
Self::CgroupSock(p) => p.pin(path),
|
|
|
|
|
Self::CgroupDevice(p) => p.pin(path),
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// Unloads the program from the kernel.
|
|
|
|
|
pub fn unload(self) -> Result<(), ProgramError> {
|
|
|
|
|
match self {
|
|
|
|
|
Program::KProbe(mut p) => p.unload(),
|
|
|
|
|
Program::UProbe(mut p) => p.unload(),
|
|
|
|
|
Program::TracePoint(mut p) => p.unload(),
|
|
|
|
|
Program::SocketFilter(mut p) => p.unload(),
|
|
|
|
|
Program::Xdp(mut p) => p.unload(),
|
|
|
|
|
Program::SkMsg(mut p) => p.unload(),
|
|
|
|
|
Program::SkSkb(mut p) => p.unload(),
|
|
|
|
|
Program::SockOps(mut p) => p.unload(),
|
|
|
|
|
Program::SchedClassifier(mut p) => p.unload(),
|
|
|
|
|
Program::CgroupSkb(mut p) => p.unload(),
|
|
|
|
|
Program::CgroupSysctl(mut p) => p.unload(),
|
|
|
|
|
Program::CgroupSockopt(mut p) => p.unload(),
|
|
|
|
|
Program::LircMode2(mut p) => p.unload(),
|
|
|
|
|
Program::PerfEvent(mut p) => p.unload(),
|
|
|
|
|
Program::RawTracePoint(mut p) => p.unload(),
|
|
|
|
|
Program::Lsm(mut p) => p.unload(),
|
|
|
|
|
Program::BtfTracePoint(mut p) => p.unload(),
|
|
|
|
|
Program::FEntry(mut p) => p.unload(),
|
|
|
|
|
Program::FExit(mut p) => p.unload(),
|
|
|
|
|
Program::Extension(mut p) => p.unload(),
|
|
|
|
|
Program::CgroupSockAddr(mut p) => p.unload(),
|
|
|
|
|
Program::SkLookup(mut p) => p.unload(),
|
|
|
|
|
Program::CgroupSock(mut p) => p.unload(),
|
|
|
|
|
Program::CgroupDevice(mut p) => p.unload(),
|
|
|
|
|
Self::KProbe(mut p) => p.unload(),
|
|
|
|
|
Self::UProbe(mut p) => p.unload(),
|
|
|
|
|
Self::TracePoint(mut p) => p.unload(),
|
|
|
|
|
Self::SocketFilter(mut p) => p.unload(),
|
|
|
|
|
Self::Xdp(mut p) => p.unload(),
|
|
|
|
|
Self::SkMsg(mut p) => p.unload(),
|
|
|
|
|
Self::SkSkb(mut p) => p.unload(),
|
|
|
|
|
Self::SockOps(mut p) => p.unload(),
|
|
|
|
|
Self::SchedClassifier(mut p) => p.unload(),
|
|
|
|
|
Self::CgroupSkb(mut p) => p.unload(),
|
|
|
|
|
Self::CgroupSysctl(mut p) => p.unload(),
|
|
|
|
|
Self::CgroupSockopt(mut p) => p.unload(),
|
|
|
|
|
Self::LircMode2(mut p) => p.unload(),
|
|
|
|
|
Self::PerfEvent(mut p) => p.unload(),
|
|
|
|
|
Self::RawTracePoint(mut p) => p.unload(),
|
|
|
|
|
Self::Lsm(mut p) => p.unload(),
|
|
|
|
|
Self::BtfTracePoint(mut p) => p.unload(),
|
|
|
|
|
Self::FEntry(mut p) => p.unload(),
|
|
|
|
|
Self::FExit(mut p) => p.unload(),
|
|
|
|
|
Self::Extension(mut p) => p.unload(),
|
|
|
|
|
Self::CgroupSockAddr(mut p) => p.unload(),
|
|
|
|
|
Self::SkLookup(mut p) => p.unload(),
|
|
|
|
|
Self::CgroupSock(mut p) => p.unload(),
|
|
|
|
|
Self::CgroupDevice(mut p) => p.unload(),
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
@ -384,30 +384,30 @@ impl Program {
|
|
|
|
|
/// Can be used to add a program to a [`crate::maps::ProgramArray`] or attach an [`Extension`] program.
|
|
|
|
|
pub fn fd(&self) -> Result<&ProgramFd, ProgramError> {
|
|
|
|
|
match self {
|
|
|
|
|
Program::KProbe(p) => p.fd(),
|
|
|
|
|
Program::UProbe(p) => p.fd(),
|
|
|
|
|
Program::TracePoint(p) => p.fd(),
|
|
|
|
|
Program::SocketFilter(p) => p.fd(),
|
|
|
|
|
Program::Xdp(p) => p.fd(),
|
|
|
|
|
Program::SkMsg(p) => p.fd(),
|
|
|
|
|
Program::SkSkb(p) => p.fd(),
|
|
|
|
|
Program::SockOps(p) => p.fd(),
|
|
|
|
|
Program::SchedClassifier(p) => p.fd(),
|
|
|
|
|
Program::CgroupSkb(p) => p.fd(),
|
|
|
|
|
Program::CgroupSysctl(p) => p.fd(),
|
|
|
|
|
Program::CgroupSockopt(p) => p.fd(),
|
|
|
|
|
Program::LircMode2(p) => p.fd(),
|
|
|
|
|
Program::PerfEvent(p) => p.fd(),
|
|
|
|
|
Program::RawTracePoint(p) => p.fd(),
|
|
|
|
|
Program::Lsm(p) => p.fd(),
|
|
|
|
|
Program::BtfTracePoint(p) => p.fd(),
|
|
|
|
|
Program::FEntry(p) => p.fd(),
|
|
|
|
|
Program::FExit(p) => p.fd(),
|
|
|
|
|
Program::Extension(p) => p.fd(),
|
|
|
|
|
Program::CgroupSockAddr(p) => p.fd(),
|
|
|
|
|
Program::SkLookup(p) => p.fd(),
|
|
|
|
|
Program::CgroupSock(p) => p.fd(),
|
|
|
|
|
Program::CgroupDevice(p) => p.fd(),
|
|
|
|
|
Self::KProbe(p) => p.fd(),
|
|
|
|
|
Self::UProbe(p) => p.fd(),
|
|
|
|
|
Self::TracePoint(p) => p.fd(),
|
|
|
|
|
Self::SocketFilter(p) => p.fd(),
|
|
|
|
|
Self::Xdp(p) => p.fd(),
|
|
|
|
|
Self::SkMsg(p) => p.fd(),
|
|
|
|
|
Self::SkSkb(p) => p.fd(),
|
|
|
|
|
Self::SockOps(p) => p.fd(),
|
|
|
|
|
Self::SchedClassifier(p) => p.fd(),
|
|
|
|
|
Self::CgroupSkb(p) => p.fd(),
|
|
|
|
|
Self::CgroupSysctl(p) => p.fd(),
|
|
|
|
|
Self::CgroupSockopt(p) => p.fd(),
|
|
|
|
|
Self::LircMode2(p) => p.fd(),
|
|
|
|
|
Self::PerfEvent(p) => p.fd(),
|
|
|
|
|
Self::RawTracePoint(p) => p.fd(),
|
|
|
|
|
Self::Lsm(p) => p.fd(),
|
|
|
|
|
Self::BtfTracePoint(p) => p.fd(),
|
|
|
|
|
Self::FEntry(p) => p.fd(),
|
|
|
|
|
Self::FExit(p) => p.fd(),
|
|
|
|
|
Self::Extension(p) => p.fd(),
|
|
|
|
|
Self::CgroupSockAddr(p) => p.fd(),
|
|
|
|
|
Self::SkLookup(p) => p.fd(),
|
|
|
|
|
Self::CgroupSock(p) => p.fd(),
|
|
|
|
|
Self::CgroupDevice(p) => p.fd(),
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
@ -434,8 +434,8 @@ impl<T: Link> ProgramData<T> {
|
|
|
|
|
obj: (obj::Program, obj::Function),
|
|
|
|
|
btf_fd: Option<Arc<OwnedFd>>,
|
|
|
|
|
verifier_log_level: VerifierLogLevel,
|
|
|
|
|
) -> ProgramData<T> {
|
|
|
|
|
ProgramData {
|
|
|
|
|
) -> Self {
|
|
|
|
|
Self {
|
|
|
|
|
name,
|
|
|
|
|
obj: Some(obj),
|
|
|
|
|
fd: None,
|
|
|
|
@ -457,7 +457,7 @@ impl<T: Link> ProgramData<T> {
|
|
|
|
|
path: &Path,
|
|
|
|
|
info: bpf_prog_info,
|
|
|
|
|
verifier_log_level: VerifierLogLevel,
|
|
|
|
|
) -> Result<ProgramData<T>, ProgramError> {
|
|
|
|
|
) -> Result<Self, ProgramError> {
|
|
|
|
|
let attach_btf_id = if info.attach_btf_id > 0 {
|
|
|
|
|
Some(info.attach_btf_id)
|
|
|
|
|
} else {
|
|
|
|
@ -467,7 +467,7 @@ impl<T: Link> ProgramData<T> {
|
|
|
|
|
.then(|| bpf_btf_get_fd_by_id(info.attach_btf_obj_id))
|
|
|
|
|
.transpose()?;
|
|
|
|
|
|
|
|
|
|
Ok(ProgramData {
|
|
|
|
|
Ok(Self {
|
|
|
|
|
name,
|
|
|
|
|
obj: None,
|
|
|
|
|
fd: Some(ProgramFd(fd)),
|
|
|
|
@ -486,7 +486,7 @@ impl<T: Link> ProgramData<T> {
|
|
|
|
|
pub(crate) fn from_pinned_path<P: AsRef<Path>>(
|
|
|
|
|
path: P,
|
|
|
|
|
verifier_log_level: VerifierLogLevel,
|
|
|
|
|
) -> Result<ProgramData<T>, ProgramError> {
|
|
|
|
|
) -> Result<Self, ProgramError> {
|
|
|
|
|
let path_string =
|
|
|
|
|
CString::new(path.as_ref().as_os_str().to_string_lossy().as_bytes()).unwrap();
|
|
|
|
|
|
|
|
|
@ -497,7 +497,7 @@ impl<T: Link> ProgramData<T> {
|
|
|
|
|
|
|
|
|
|
let info = ProgramInfo::new_from_fd(fd.as_fd())?;
|
|
|
|
|
let name = info.name_as_str().map(|s| s.to_string());
|
|
|
|
|
ProgramData::from_bpf_prog_info(name, fd, path.as_ref(), info.0, verifier_log_level)
|
|
|
|
|
Self::from_bpf_prog_info(name, fd, path.as_ref(), info.0, verifier_log_level)
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
@ -571,7 +571,7 @@ fn load_program<T: Link>(
|
|
|
|
|
kernel_version,
|
|
|
|
|
..
|
|
|
|
|
},
|
|
|
|
|
Function {
|
|
|
|
|
obj::Function {
|
|
|
|
|
instructions,
|
|
|
|
|
func_info,
|
|
|
|
|
line_info,
|
|
|
|
@ -1072,7 +1072,7 @@ impl ProgramInfo {
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// Loads a program from a pinned path in bpffs.
|
|
|
|
|
pub fn from_pin<P: AsRef<Path>>(path: P) -> Result<ProgramInfo, ProgramError> {
|
|
|
|
|
pub fn from_pin<P: AsRef<Path>>(path: P) -> Result<Self, ProgramError> {
|
|
|
|
|
let path_string = CString::new(path.as_ref().to_str().unwrap()).unwrap();
|
|
|
|
|
let fd = bpf_get_object(&path_string).map_err(|(_, io_error)| SyscallError {
|
|
|
|
|
call: "BPF_OBJ_GET",
|
|
|
|
@ -1080,7 +1080,7 @@ impl ProgramInfo {
|
|
|
|
|
})?;
|
|
|
|
|
|
|
|
|
|
let info = bpf_prog_get_info_by_fd(fd.as_fd(), &mut [])?;
|
|
|
|
|
Ok(ProgramInfo(info))
|
|
|
|
|
Ok(Self(info))
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|