Check return value of scp_session_set_bpp()

sesman/libscp/libscp_v0.c

@@ -252,7 +252,14 @@ scp_v0s_accept(struct SCP_CONNECTION *c, struct SCP_SESSION **s, int skipVchk)
         scp_session_set_height(session, sz);
         /* bpp */
         in_uint16_be(c->in_s, sz);
-        scp_session_set_bpp(session, (tui8)sz);
+        if (0 != scp_session_set_bpp(session, (tui8)sz))
+        {
+            scp_session_destroy(session);
+            log_message(LOG_LEVEL_WARNING,
+                        "[v0:%d] connection aborted: unsupported bpp: %d",
+                        __LINE__, (tui8)sz);
+            return SCP_SERVER_STATE_INTERNAL_ERR;
+        }
 
         if (s_check_rem(c->in_s, 2))
         {

sesman/libscp/libscp_v1s.c

@@ -131,6 +131,14 @@ enum SCP_SERVER_STATES_E scp_v1s_accept(struct SCP_CONNECTION *c, struct SCP_SES
     in_uint16_be(c->in_s, cmd);
     scp_session_set_height(session, cmd);
     in_uint8(c->in_s, sz);
+    if (0 != scp_session_set_bpp(session, sz))
+    {
+        scp_session_destroy(session);
+        log_message(LOG_LEVEL_WARNING,
+                    "[v1s:%d] connection aborted: unsupported bpp: %d",
+                    __LINE__, sz);
+        return SCP_SERVER_STATE_INTERNAL_ERR;
+    }
     scp_session_set_bpp(session, sz);
     in_uint8(c->in_s, sz);
     scp_session_set_rsr(session, sz);