bsd-user: Add do_ioctl_in6_ifreq_sockaddr_int function
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>
Stacey Son committed
Mar 14, 2026 at 11:41 UTC
7a1888ac45ef12f378f88faba1dd205d6ec203a6
1 file changed
+32
bsd-user/bsd-ioctl.c
+32
@@ -260,3 +260,35 @@ static void target_to_host_sockaddr_in6(struct sockaddr_in6 *hsa_in6,
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memcpy(&hsa_in6->sin6_addr, &tsa_in6->sin6_addr, 16);
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__get_user(hsa_in6->sin6_scope_id, &tsa_in6->sin6_scope_id);
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}
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+
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+/*
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+ * For ioctl()'s such as SIOCGIFAFLAG_IN6 and SIOCGIFALIFETIME_IN6 that
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+ * passes a struct sockaddr_in6 in and gets an int out using
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+ * struct in6_ifreq.
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+ */
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+static abi_long do_ioctl_in6_ifreq_sockaddr_int(const IOCTLEntry *ie,
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+ uint8_t *buf_temp, int fd, abi_long cmd, abi_long arg)
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+{
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+ abi_long ret;
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+ struct target_in6_ifreq *tin6ifreq;
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+ struct target_sockaddr_in6 *tsa_in6;
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+ struct in6_ifreq hin6ifreq;
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+ struct sockaddr_in6 *hsa_in6 = &hin6ifreq.ifr_ifru.ifru_addr;
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+
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+ tin6ifreq = lock_user(VERIFY_WRITE, arg, sizeof(*tin6ifreq), 1);
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+ if (tin6ifreq == NULL) {
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+ return -TARGET_EFAULT;
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+ }
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+ memcpy(hin6ifreq.ifr_name, tin6ifreq->ifr_name, IFNAMSIZ);
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+ tsa_in6 = &tin6ifreq->ifr_ifru.ifru_addr;
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+ target_to_host_sockaddr_in6(hsa_in6, tsa_in6);
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+
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+ ret = get_errno(safe_ioctl(fd, ie->host_cmd, &hin6ifreq));
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+ if (!is_error(ret)) {
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+ put_user_s32(hin6ifreq.ifr_ifru.ifru_flags6,
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+ arg + offsetof(struct target_in6_ifreq, ifr_ifru.ifru_flags6));
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+ }
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+ unlock_user(tin6ifreq, arg, sizeof(*tin6ifreq));
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+
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+ return ret;
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+}