[PATCH 4/4] linux-user: Add getsockopt() for SO_RCVTIMEO_NEW and SO_SNDTIMEO_NEW

[Helge Deller <deller@kernel.org>]

From: Helge Deller <deller@gmx.de>

Add handlers for both sockopts which use 64-bit time_t from userspace.

Resolves: https://gitlab.com/qemu-project/qemu/-/work_items/885
Signed-off-by: Helge Deller <deller@gmx.de>
---
 linux-user/syscall.c | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 7bd5ad548b..a75dbceb5c 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -2621,7 +2621,8 @@ static abi_long do_getsockopt(int sockfd, int level, int optname,
         /* These don't just return a single integer */
         case TARGET_SO_PEERNAME:
             goto unimplemented;
-        case TARGET_SO_RCVTIMEO: {
+        case TARGET_SO_RCVTIMEO:
+        case TARGET_SO_RCVTIMEO_NEW: {
             struct timeval tv;
             socklen_t tvlen;
 
@@ -2641,11 +2642,17 @@ get_timeout:
             if (ret < 0) {
                 return ret;
             }
-            if (len > sizeof(struct target_timeval)) {
-                len = sizeof(struct target_timeval);
-            }
-            if (copy_to_user_timeval(optval_addr, &tv)) {
-                return -TARGET_EFAULT;
+            if (len == sizeof(struct target__kernel_sock_timeval)) {
+                if (copy_to_user_timeval64(optval_addr, &tv)) {
+                    return -TARGET_EFAULT;
+                }
+            } else {
+                if (len >= sizeof(struct target_timeval)) {
+                    len = sizeof(struct target_timeval);
+                    if (copy_to_user_timeval(optval_addr, &tv)) {
+                        return -TARGET_EFAULT;
+                    }
+                }
             }
             if (put_user_u32(len, optlen)) {
                 return -TARGET_EFAULT;
@@ -2653,6 +2660,7 @@ get_timeout:
             break;
         }
         case TARGET_SO_SNDTIMEO:
+        case TARGET_SO_SNDTIMEO_NEW:
             optname = SO_SNDTIMEO;
             goto get_timeout;
         case TARGET_SO_PEERCRED: {
-- 
2.53.0