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Merge pull request #60 from vadorovsky/no-unsafe

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ebpf: Stop using `unsafe` for the whole function
pull/61/head
Michal Rostecki 2 years ago committed by GitHub
parent ccb2ad0f81 379b23b1b4
commit df87136bdb
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 32 additions and 32 deletions
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64
{{project-name}}-ebpf/src/main.rs
Unescape Escape View File

@ -10,13 +10,13 @@ use aya_log_ebpf::info;
#[kprobe(name="{{crate_name}}")] #[kprobe(name="{{crate_name}}")]
pub fn {{crate_name}}(ctx: ProbeContext) -> u32 { pub fn {{crate_name}}(ctx: ProbeContext) -> u32 {
match unsafe { try_{{crate_name}}(ctx) } { match try_{{crate_name}}(ctx) {
Ok(ret) => ret, Ok(ret) => ret,
Err(ret) => ret, Err(ret) => ret,
} }
} }
unsafe fn try_{{crate_name}}(ctx: ProbeContext) -> Result<u32, u32> { fn try_{{crate_name}}(ctx: ProbeContext) -> Result<u32, u32> {
info!(&ctx, "function {{kprobe}} called"); info!(&ctx, "function {{kprobe}} called");
Ok(0) Ok(0)
} }
@ -29,13 +29,13 @@ use aya_log_ebpf::info;
#[kretprobe(name="{{crate_name}}")] #[kretprobe(name="{{crate_name}}")]
pub fn {{crate_name}}(ctx: ProbeContext) -> u32 { pub fn {{crate_name}}(ctx: ProbeContext) -> u32 {
match unsafe { try_{{crate_name}}(ctx) } { match try_{{crate_name}}(ctx) {
Ok(ret) => ret, Ok(ret) => ret,
Err(ret) => ret, Err(ret) => ret,
} }
} }
unsafe fn try_{{crate_name}}(ctx: ProbeContext) -> Result<u32, u32> { fn try_{{crate_name}}(ctx: ProbeContext) -> Result<u32, u32> {
info!(&ctx, "function {{kprobe}} called"); info!(&ctx, "function {{kprobe}} called");
Ok(0) Ok(0)
} }
@ -48,13 +48,13 @@ use aya_log_ebpf::info;
#[fentry(name="{{crate_name}}")] #[fentry(name="{{crate_name}}")]
pub fn {{crate_name}}(ctx: FEntryContext) -> u32 { pub fn {{crate_name}}(ctx: FEntryContext) -> u32 {
match unsafe { try_{{crate_name}}(ctx) } { match try_{{crate_name}}(ctx) {
Ok(ret) => ret, Ok(ret) => ret,
Err(ret) => ret, Err(ret) => ret,
} }
} }
unsafe fn try_{{crate_name}}(ctx: FEntryContext) -> Result<u32, u32> { fn try_{{crate_name}}(ctx: FEntryContext) -> Result<u32, u32> {
info!(&ctx, "function {{fn_name}} called"); info!(&ctx, "function {{fn_name}} called");
Ok(0) Ok(0)
} }
@ -67,13 +67,13 @@ use aya_log_ebpf::info;
#[fexit(name="{{crate_name}}")] #[fexit(name="{{crate_name}}")]
pub fn {{crate_name}}(ctx: FExitContext) -> u32 { pub fn {{crate_name}}(ctx: FExitContext) -> u32 {
match unsafe { try_{{crate_name}}(ctx) } { match try_{{crate_name}}(ctx) {
Ok(ret) => ret, Ok(ret) => ret,
Err(ret) => ret, Err(ret) => ret,
} }
} }
unsafe fn try_{{crate_name}}(ctx: FExitContext) -> Result<u32, u32> { fn try_{{crate_name}}(ctx: FExitContext) -> Result<u32, u32> {
info!(&ctx, "function {{fn_name}} called"); info!(&ctx, "function {{fn_name}} called");
Ok(0) Ok(0)
} }
@ -86,13 +86,13 @@ use aya_log_ebpf::info;
#[uprobe(name="{{crate_name}}")] #[uprobe(name="{{crate_name}}")]
pub fn {{crate_name}}(ctx: ProbeContext) -> u32 { pub fn {{crate_name}}(ctx: ProbeContext) -> u32 {
match unsafe { try_{{crate_name}}(ctx) } { match try_{{crate_name}}(ctx) {
Ok(ret) => ret, Ok(ret) => ret,
Err(ret) => ret, Err(ret) => ret,
} }
} }
unsafe fn try_{{crate_name}}(ctx: ProbeContext) -> Result<u32, u32> { fn try_{{crate_name}}(ctx: ProbeContext) -> Result<u32, u32> {
info!(&ctx, "function {{uprobe_fn_name}} called by {{uprobe_target}}"); info!(&ctx, "function {{uprobe_fn_name}} called by {{uprobe_target}}");
Ok(0) Ok(0)
} }
@ -105,13 +105,13 @@ use aya_log_ebpf::info;
#[uretprobe(name="{{crate_name}}")] #[uretprobe(name="{{crate_name}}")]
pub fn {{crate_name}}(ctx: ProbeContext) -> u32 { pub fn {{crate_name}}(ctx: ProbeContext) -> u32 {
match unsafe { try_{{crate_name}}(ctx) } { match try_{{crate_name}}(ctx) {
Ok(ret) => ret, Ok(ret) => ret,
Err(ret) => ret, Err(ret) => ret,
} }
} }
unsafe fn try_{{crate_name}}(ctx: ProbeContext) -> Result<u32, u32> { fn try_{{crate_name}}(ctx: ProbeContext) -> Result<u32, u32> {
info!(&ctx, "function {{uprobe_fn_name}} called by {{uprobe_target}}"); info!(&ctx, "function {{uprobe_fn_name}} called by {{uprobe_target}}");
Ok(0) Ok(0)
} }
@ -124,13 +124,13 @@ use aya_log_ebpf::info;
#[sock_ops(name="{{crate_name}}")] #[sock_ops(name="{{crate_name}}")]
pub fn {{crate_name}}(ctx: SockOpsContext) -> u32 { pub fn {{crate_name}}(ctx: SockOpsContext) -> u32 {
match unsafe { try_{{crate_name}}(ctx) } { match try_{{crate_name}}(ctx) {
Ok(ret) => ret, Ok(ret) => ret,
Err(ret) => ret, Err(ret) => ret,
} }
} }
unsafe fn try_{{crate_name}}(ctx: SockOpsContext) -> Result<u32, u32> { fn try_{{crate_name}}(ctx: SockOpsContext) -> Result<u32, u32> {
info!(&ctx, "received TCP connection"); info!(&ctx, "received TCP connection");
Ok(0) Ok(0)
} }
@ -149,13 +149,13 @@ static {{sock_map}}: SockHash<SockKey> = SockHash::<SockKey>::with_max_entries(1
#[sk_msg(name="{{crate_name}}")] #[sk_msg(name="{{crate_name}}")]
pub fn {{crate_name}}(ctx: SkMsgContext) -> u32 { pub fn {{crate_name}}(ctx: SkMsgContext) -> u32 {
match unsafe { try_{{crate_name}}(ctx) } { match try_{{crate_name}}(ctx) {
Ok(ret) => ret, Ok(ret) => ret,
Err(ret) => ret, Err(ret) => ret,
} }
} }
unsafe fn try_{{crate_name}}(ctx: SkMsgContext) -> Result<u32, u32> { fn try_{{crate_name}}(ctx: SkMsgContext) -> Result<u32, u32> {
info!(&ctx, "received a message on the socket"); info!(&ctx, "received a message on the socket");
Ok(0) Ok(0)
} }
@ -169,13 +169,13 @@ use aya_log_ebpf::info;
#[xdp(name="{{crate_name}}")] #[xdp(name="{{crate_name}}")]
pub fn {{crate_name}}(ctx: XdpContext) -> u32 { pub fn {{crate_name}}(ctx: XdpContext) -> u32 {
match unsafe { try_{{crate_name}}(ctx) } { match try_{{crate_name}}(ctx) {
Ok(ret) => ret, Ok(ret) => ret,
Err(_) => xdp_action::XDP_ABORTED, Err(_) => xdp_action::XDP_ABORTED,
} }
} }
unsafe fn try_{{crate_name}}(ctx: XdpContext) -> Result<u32, u32> { fn try_{{crate_name}}(ctx: XdpContext) -> Result<u32, u32> {
info!(&ctx, "received a packet"); info!(&ctx, "received a packet");
Ok(xdp_action::XDP_PASS) Ok(xdp_action::XDP_PASS)
} }
@ -188,13 +188,13 @@ use aya_log_ebpf::info;
#[classifier(name="{{crate_name}}")] #[classifier(name="{{crate_name}}")]
pub fn {{crate_name}}(ctx: TcContext) -> i32 { pub fn {{crate_name}}(ctx: TcContext) -> i32 {
match unsafe { try_{{crate_name}}(ctx) } { match try_{{crate_name}}(ctx) {
Ok(ret) => ret, Ok(ret) => ret,
Err(ret) => ret, Err(ret) => ret,
} }
} }
unsafe fn try_{{crate_name}}(ctx: TcContext) -> Result<i32, i32> { fn try_{{crate_name}}(ctx: TcContext) -> Result<i32, i32> {
info!(&ctx, "received a packet"); info!(&ctx, "received a packet");
Ok(0) Ok(0)
} }
@ -207,13 +207,13 @@ use aya_log_ebpf::info;
#[cgroup_skb(name="{{crate_name}}")] #[cgroup_skb(name="{{crate_name}}")]
pub fn {{crate_name}}(ctx: SkBuffContext) -> i32 { pub fn {{crate_name}}(ctx: SkBuffContext) -> i32 {
match unsafe { try_{{crate_name}}(ctx) } { match try_{{crate_name}}(ctx) {
Ok(ret) => ret, Ok(ret) => ret,
Err(ret) => ret, Err(ret) => ret,
} }
} }
unsafe fn try_{{crate_name}}(ctx: SkBuffContext) -> Result<i32, i32> { fn try_{{crate_name}}(ctx: SkBuffContext) -> Result<i32, i32> {
info!(&ctx, "received a packet"); info!(&ctx, "received a packet");
Ok(0) Ok(0)
} }
@ -226,13 +226,13 @@ use aya_log_ebpf::info;
#[tracepoint(name="{{crate_name}}")] #[tracepoint(name="{{crate_name}}")]
pub fn {{crate_name}}(ctx: TracePointContext) -> u32 { pub fn {{crate_name}}(ctx: TracePointContext) -> u32 {
match unsafe { try_{{crate_name}}(ctx) } { match try_{{crate_name}}(ctx) {
Ok(ret) => ret, Ok(ret) => ret,
Err(ret) => ret, Err(ret) => ret,
} }
} }
unsafe fn try_{{crate_name}}(ctx: TracePointContext) -> Result<u32, u32> { fn try_{{crate_name}}(ctx: TracePointContext) -> Result<u32, u32> {
info!(&ctx, "tracepoint {{tracepoint_name}} called"); info!(&ctx, "tracepoint {{tracepoint_name}} called");
Ok(0) Ok(0)
} }
@ -245,13 +245,13 @@ use aya_log_ebpf::info;
#[lsm(name="{{lsm_hook}}")] #[lsm(name="{{lsm_hook}}")]
pub fn {{lsm_hook}}(ctx: LsmContext) -> i32 { pub fn {{lsm_hook}}(ctx: LsmContext) -> i32 {
match unsafe { try_{{lsm_hook}}(ctx) } { match try_{{lsm_hook}}(ctx) {
Ok(ret) => ret, Ok(ret) => ret,
Err(ret) => ret, Err(ret) => ret,
} }
} }
unsafe fn try_{{lsm_hook}}(ctx: LsmContext) -> Result<i32, i32> { fn try_{{lsm_hook}}(ctx: LsmContext) -> Result<i32, i32> {
info!(&ctx, "lsm hook {{lsm_hook}} called"); info!(&ctx, "lsm hook {{lsm_hook}} called");
Ok(0) Ok(0)
} }
@ -264,13 +264,13 @@ use aya_log_ebpf::info;
#[btf_tracepoint(name="{{tracepoint_name}}")] #[btf_tracepoint(name="{{tracepoint_name}}")]
pub fn {{tracepoint_name}}(ctx: BtfTracePointContext) -> i32 { pub fn {{tracepoint_name}}(ctx: BtfTracePointContext) -> i32 {
match unsafe { try_{{tracepoint_name}}(ctx) } { match try_{{tracepoint_name}}(ctx) {
Ok(ret) => ret, Ok(ret) => ret,
Err(ret) => ret, Err(ret) => ret,
} }
} }
unsafe fn try_{{tracepoint_name}}(ctx: BtfTracePointContext) -> Result<i32, i32> { fn try_{{tracepoint_name}}(ctx: BtfTracePointContext) -> Result<i32, i32> {
info!(&ctx, "tracepoint {{tracepoint_name}} called"); info!(&ctx, "tracepoint {{tracepoint_name}} called");
Ok(0) Ok(0)
} }
@ -293,13 +293,13 @@ use aya_log_ebpf::info;
#[cgroup_sysctl(name="{{crate_name}}")] #[cgroup_sysctl(name="{{crate_name}}")]
pub fn {{crate_name}}(ctx: SysctlContext) -> i32 { pub fn {{crate_name}}(ctx: SysctlContext) -> i32 {
match unsafe { try_{{crate_name}}(ctx) } { match try_{{crate_name}}(ctx) {
Ok(ret) => ret, Ok(ret) => ret,
Err(ret) => ret, Err(ret) => ret,
} }
} }
unsafe fn try_{{crate_name}}(ctx: SysctlContext) -> Result<i32, i32> { fn try_{{crate_name}}(ctx: SysctlContext) -> Result<i32, i32> {
info!(&ctx, "sysctl operation called"); info!(&ctx, "sysctl operation called");
Ok(0) Ok(0)
} }
@ -312,13 +312,13 @@ use aya_log_ebpf::info;
#[cgroup_sockopt({{sockopt_target}},name="{{crate_name}}")] #[cgroup_sockopt({{sockopt_target}},name="{{crate_name}}")]
pub fn {{crate_name}}(ctx: SockoptContext) -> i32 { pub fn {{crate_name}}(ctx: SockoptContext) -> i32 {
match unsafe { try_{{crate_name}}(ctx) } { match try_{{crate_name}}(ctx) {
Ok(ret) => ret, Ok(ret) => ret,
Err(ret) => ret, Err(ret) => ret,
} }
} }
unsafe fn try_{{crate_name}}(ctx: SockoptContext) -> Result<i32, i32> { fn try_{{crate_name}}(ctx: SockoptContext) -> Result<i32, i32> {
info!(&ctx, "{{sockopt_target}} called"); info!(&ctx, "{{sockopt_target}} called");
Ok(0) Ok(0)
} }

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