diff options
| author | Ricardo Branco <rbranco@suse.de> | 2026-04-12 14:08:38 +0000 |
|---|---|---|
| committer | Pouria Mousavizadeh Tehrani <pouria@FreeBSD.org> | 2026-04-17 07:22:39 +0000 |
| commit | caaa7a07fed4a16e753c0064482c0eaa0900607b (patch) | |
| tree | d933e6dba8d61f121b82ca15543976035bc006d0 | |
| parent | 64e2715f5d8f03ab7e763a49a0e102d755673810 (diff) | |
linux: Support IPPROTO_RAW socket option translation
Handle Linux IPPROTO_RAW socket options in the Linuxulator for both
getsockopt(2) and setsockopt(2). Detect the socket family and remap
the level to IPPROTO_IPV6 for AF_INET6, reusing the existing option
translators.
This fixes IPV6_CHECKSUM for IPv6 raw sockets, which Linux programs
set at level IPPROTO_RAW rather than IPPROTO_IPV6.
Signed-off-by: Ricardo Branco <rbranco@suse.de>
PR: 294434
Reviewed by: pouria
Pull-Request: https://github.com/freebsd/freebsd-src/pull/2138
| -rw-r--r-- | sys/compat/linux/linux_socket.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/sys/compat/linux/linux_socket.c b/sys/compat/linux/linux_socket.c index d971b2a7fbe7..2d20751a41aa 100644 --- a/sys/compat/linux/linux_socket.c +++ b/sys/compat/linux/linux_socket.c @@ -30,6 +30,7 @@ #include <sys/param.h> #include <sys/capsicum.h> +#include <sys/domain.h> #include <sys/filedesc.h> #include <sys/limits.h> #include <sys/malloc.h> @@ -2190,6 +2191,26 @@ linux_setsockopt(struct thread *td, struct linux_setsockopt_args *args) } break; #ifdef INET6 + case IPPROTO_RAW: { + struct file *fp; + struct socket *so; + int family; + + error = getsock(td, args->s, &cap_setsockopt_rights, &fp); + if (error != 0) + return (error); + so = fp->f_data; + family = so->so_proto->pr_domain->dom_family; + fdrop(fp, td); + + name = -1; + if (family == AF_INET6) { + name = linux_to_bsd_ip6_sockopt(args->optname); + if (name >= 0) + level = IPPROTO_IPV6; + } + break; + } case IPPROTO_ICMPV6: { struct icmp6_filter f; int i; @@ -2473,6 +2494,26 @@ linux_getsockopt(struct thread *td, struct linux_getsockopt_args *args) } break; #ifdef INET6 + case IPPROTO_RAW: { + struct file *fp; + struct socket *so; + int family; + + error = getsock(td, args->s, &cap_getsockopt_rights, &fp); + if (error != 0) + return (error); + so = fp->f_data; + family = so->so_proto->pr_domain->dom_family; + fdrop(fp, td); + + name = -1; + if (family == AF_INET6) { + name = linux_to_bsd_ip6_sockopt(args->optname); + if (name >= 0) + level = IPPROTO_IPV6; + } + break; + } case IPPROTO_ICMPV6: { struct icmp6_filter f; int i; |