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unix: add SetsockoptCanRawFilter for linux

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Add the SetsockoptCanRawFilter func and CanFilter type to allow kernel
message filtering on AF_CAN sockets.

Fixes golang/go#29638

Change-Id: I4042825527ba2bc9aeb8dbe70d1960a06b15c29e
Reviewed-on: https://go-review.googlesource.com/c/163318
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Tobias Klauser
2019-02-21 22:11:38 +01:00
committed by Tobias Klauser
parent ec7b60b042
commit a9d3bda3a2
15 changed files with 89 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
unix/linux/types.go
View File

@@ -493,6 +493,8 @@ type Ucred C.struct_ucred
type TCPInfo C.struct_tcp_info
type CanFilter C.struct_can_filter
const (
SizeofSockaddrInet4 = C.sizeof_struct_sockaddr_in
SizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
@@ -522,6 +524,7 @@ const (
SizeofICMPv6Filter = C.sizeof_struct_icmp6_filter
SizeofUcred = C.sizeof_struct_ucred
SizeofTCPInfo = C.sizeof_struct_tcp_info
SizeofCanFilter = C.sizeof_struct_can_filter
)
// Netlink routing and interface messages

8
unix/syscall_linux.go
View File

@@ -1000,6 +1000,14 @@ func SetsockoptSockFprog(fd, level, opt int, fprog *SockFprog) error {
return setsockopt(fd, level, opt, unsafe.Pointer(fprog), unsafe.Sizeof(*fprog))
}
func SetsockoptCanRawFilter(fd, level, opt int, filter []CanFilter) error {
var p unsafe.Pointer
if len(filter) > 0 {
p = unsafe.Pointer(&filter[0])
}
return setsockopt(fd, level, opt, p, uintptr(len(filter)*SizeofCanFilter))
}
// Keyctl Commands (http://man7.org/linux/man-pages/man2/keyctl.2.html)
// KeyctlInt calls keyctl commands in which each argument is an int.

6
unix/ztypes_linux_386.go
View File

@@ -405,6 +405,11 @@ type TCPInfo struct {
Total_retrans uint32
}
type CanFilter struct {
Id uint32
Mask uint32
}
const (
SizeofSockaddrInet4 = 0x10
SizeofSockaddrInet6 = 0x1c
@@ -434,6 +439,7 @@ const (
SizeofICMPv6Filter = 0x20
SizeofUcred = 0xc
SizeofTCPInfo = 0x68
SizeofCanFilter = 0x8
)
const (

6
unix/ztypes_linux_amd64.go
View File

@@ -406,6 +406,11 @@ type TCPInfo struct {
Total_retrans uint32
}
type CanFilter struct {
Id uint32
Mask uint32
}
const (
SizeofSockaddrInet4 = 0x10
SizeofSockaddrInet6 = 0x1c
@@ -435,6 +440,7 @@ const (
SizeofICMPv6Filter = 0x20
SizeofUcred = 0xc
SizeofTCPInfo = 0x68
SizeofCanFilter = 0x8
)
const (

6
unix/ztypes_linux_arm.go
View File

@@ -409,6 +409,11 @@ type TCPInfo struct {
Total_retrans uint32
}
type CanFilter struct {
Id uint32
Mask uint32
}
const (
SizeofSockaddrInet4 = 0x10
SizeofSockaddrInet6 = 0x1c
@@ -438,6 +443,7 @@ const (
SizeofICMPv6Filter = 0x20
SizeofUcred = 0xc
SizeofTCPInfo = 0x68
SizeofCanFilter = 0x8
)
const (

6
unix/ztypes_linux_arm64.go
View File

@@ -407,6 +407,11 @@ type TCPInfo struct {
Total_retrans uint32
}
type CanFilter struct {
Id uint32
Mask uint32
}
const (
SizeofSockaddrInet4 = 0x10
SizeofSockaddrInet6 = 0x1c
@@ -436,6 +441,7 @@ const (
SizeofICMPv6Filter = 0x20
SizeofUcred = 0xc
SizeofTCPInfo = 0x68
SizeofCanFilter = 0x8
)
const (

6
unix/ztypes_linux_mips.go
View File

@@ -408,6 +408,11 @@ type TCPInfo struct {
Total_retrans uint32
}
type CanFilter struct {
Id uint32
Mask uint32
}
const (
SizeofSockaddrInet4 = 0x10
SizeofSockaddrInet6 = 0x1c
@@ -437,6 +442,7 @@ const (
SizeofICMPv6Filter = 0x20
SizeofUcred = 0xc
SizeofTCPInfo = 0x68
SizeofCanFilter = 0x8
)
const (

6
unix/ztypes_linux_mips64.go
View File

@@ -407,6 +407,11 @@ type TCPInfo struct {
Total_retrans uint32
}
type CanFilter struct {
Id uint32
Mask uint32
}
const (
SizeofSockaddrInet4 = 0x10
SizeofSockaddrInet6 = 0x1c
@@ -436,6 +441,7 @@ const (
SizeofICMPv6Filter = 0x20
SizeofUcred = 0xc
SizeofTCPInfo = 0x68
SizeofCanFilter = 0x8
)
const (

6
unix/ztypes_linux_mips64le.go
View File

@@ -407,6 +407,11 @@ type TCPInfo struct {
Total_retrans uint32
}
type CanFilter struct {
Id uint32
Mask uint32
}
const (
SizeofSockaddrInet4 = 0x10
SizeofSockaddrInet6 = 0x1c
@@ -436,6 +441,7 @@ const (
SizeofICMPv6Filter = 0x20
SizeofUcred = 0xc
SizeofTCPInfo = 0x68
SizeofCanFilter = 0x8
)
const (

6
unix/ztypes_linux_mipsle.go
View File

@@ -408,6 +408,11 @@ type TCPInfo struct {
Total_retrans uint32
}
type CanFilter struct {
Id uint32
Mask uint32
}
const (
SizeofSockaddrInet4 = 0x10
SizeofSockaddrInet6 = 0x1c
@@ -437,6 +442,7 @@ const (
SizeofICMPv6Filter = 0x20
SizeofUcred = 0xc
SizeofTCPInfo = 0x68
SizeofCanFilter = 0x8
)
const (

6
unix/ztypes_linux_ppc64.go
View File

@@ -408,6 +408,11 @@ type TCPInfo struct {
Total_retrans uint32
}
type CanFilter struct {
Id uint32
Mask uint32
}
const (
SizeofSockaddrInet4 = 0x10
SizeofSockaddrInet6 = 0x1c
@@ -437,6 +442,7 @@ const (
SizeofICMPv6Filter = 0x20
SizeofUcred = 0xc
SizeofTCPInfo = 0x68
SizeofCanFilter = 0x8
)
const (

6
unix/ztypes_linux_ppc64le.go
View File

@@ -408,6 +408,11 @@ type TCPInfo struct {
Total_retrans uint32
}
type CanFilter struct {
Id uint32
Mask uint32
}
const (
SizeofSockaddrInet4 = 0x10
SizeofSockaddrInet6 = 0x1c
@@ -437,6 +442,7 @@ const (
SizeofICMPv6Filter = 0x20
SizeofUcred = 0xc
SizeofTCPInfo = 0x68
SizeofCanFilter = 0x8
)
const (

6
unix/ztypes_linux_riscv64.go
View File

@@ -407,6 +407,11 @@ type TCPInfo struct {
Total_retrans uint32
}
type CanFilter struct {
Id uint32
Mask uint32
}
const (
SizeofSockaddrInet4 = 0x10
SizeofSockaddrInet6 = 0x1c
@@ -436,6 +441,7 @@ const (
SizeofICMPv6Filter = 0x20
SizeofUcred = 0xc
SizeofTCPInfo = 0x68
SizeofCanFilter = 0x8
)
const (

6
unix/ztypes_linux_s390x.go
View File

@@ -406,6 +406,11 @@ type TCPInfo struct {
Total_retrans uint32
}
type CanFilter struct {
Id uint32
Mask uint32
}
const (
SizeofSockaddrInet4 = 0x10
SizeofSockaddrInet6 = 0x1c
@@ -435,6 +440,7 @@ const (
SizeofICMPv6Filter = 0x20
SizeofUcred = 0xc
SizeofTCPInfo = 0x68
SizeofCanFilter = 0x8
)
const (

6
unix/ztypes_linux_sparc64.go
View File

@@ -410,6 +410,11 @@ type TCPInfo struct {
Total_retrans uint32
}
type CanFilter struct {
Id uint32
Mask uint32
}
const (
SizeofSockaddrInet4 = 0x10
SizeofSockaddrInet6 = 0x1c
@@ -439,6 +444,7 @@ const (
SizeofICMPv6Filter = 0x20
SizeofUcred = 0xc
SizeofTCPInfo = 0x68
SizeofCanFilter = 0x8
)
const (