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bsd-user: Add do_ioctl_in6_ifreq_sockaddr_int function

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Add special handler for IPv6 interface request ioctls that take
a sockaddr_in6 structure as input and return an integer flag value,
such as SIOCGIFAFLAG_IN6 and SIOCGIFALIFETIME_IN6.

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@oss.qualcomm.com>
Signed-off-by: Warner Losh <imp@bsdimp.com>
This commit is contained in:
Stacey Son
2026-03-14 11:41:00 -06:00
committed by Warner Losh
parent bb5223d0c1
commit 7a1888ac45
1 changed files with 32 additions and 0 deletions
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32
bsd-user/bsd-ioctl.c
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@@ -260,3 +260,35 @@ static void target_to_host_sockaddr_in6(struct sockaddr_in6 *hsa_in6,
memcpy(&hsa_in6->sin6_addr, &tsa_in6->sin6_addr, 16);
__get_user(hsa_in6->sin6_scope_id, &tsa_in6->sin6_scope_id);
}
/*
* For ioctl()'s such as SIOCGIFAFLAG_IN6 and SIOCGIFALIFETIME_IN6 that
* passes a struct sockaddr_in6 in and gets an int out using
* struct in6_ifreq.
*/
static abi_long do_ioctl_in6_ifreq_sockaddr_int(const IOCTLEntry *ie,
uint8_t *buf_temp, int fd, abi_long cmd, abi_long arg)
{
abi_long ret;
struct target_in6_ifreq *tin6ifreq;
struct target_sockaddr_in6 *tsa_in6;
struct in6_ifreq hin6ifreq;
struct sockaddr_in6 *hsa_in6 = &hin6ifreq.ifr_ifru.ifru_addr;
tin6ifreq = lock_user(VERIFY_WRITE, arg, sizeof(*tin6ifreq), 1);
if (tin6ifreq == NULL) {
return -TARGET_EFAULT;
}
memcpy(hin6ifreq.ifr_name, tin6ifreq->ifr_name, IFNAMSIZ);
tsa_in6 = &tin6ifreq->ifr_ifru.ifru_addr;
target_to_host_sockaddr_in6(hsa_in6, tsa_in6);
ret = get_errno(safe_ioctl(fd, ie->host_cmd, &hin6ifreq));
if (!is_error(ret)) {
put_user_s32(hin6ifreq.ifr_ifru.ifru_flags6,
arg + offsetof(struct target_in6_ifreq, ifr_ifru.ifru_flags6));
}
unlock_user(tin6ifreq, arg, sizeof(*tin6ifreq));
return ret;
}