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authorVsevolod Stakhov <vsevolod@highsecure.ru>2021-10-07 08:39:57 +0100
committerVsevolod Stakhov <vsevolod@highsecure.ru>2021-10-07 08:39:57 +0100
commit030873c19f9c15d37e52243962abbdb85b86a245 (patch)
tree4a1ae705dfc9ca4bc71552c054324f6af64c045e /src/libmime
parent08bf393881cb72ffd1190418dc6f66450da7d224 (diff)
downloadrspamd-030873c19f9c15d37e52243962abbdb85b86a245.tar.gz
rspamd-030873c19f9c15d37e52243962abbdb85b86a245.zip
[Minor] Fix pushing empty strings
Diffstat (limited to 'src/libmime')
-rw-r--r--src/libmime/received.cxx25
1 files changed, 15 insertions, 10 deletions
diff --git a/src/libmime/received.cxx b/src/libmime/received.cxx
index b4b3c76e9..836af0464 100644
--- a/src/libmime/received.cxx
+++ b/src/libmime/received.cxx
@@ -765,16 +765,21 @@ received_export_to_lua(received_header_chain *chain, lua_State *L) -> bool
push_flag(rh, received_flags::SSL, "ssl");
lua_setfield(L, -2, "flags");
- lua_pushlstring(L, rh.from_hostname.data(), rh.from_hostname.size());
- lua_setfield(L, -2, "from_hostname");
- lua_pushlstring(L, rh.real_hostname.data(), rh.real_hostname.size());
- lua_setfield(L, -2, "real_hostname");
- lua_pushlstring(L, rh.real_ip.data(), rh.real_ip.size());
- lua_setfield(L, -2, "from_ip");
- lua_pushlstring(L, rh.by_hostname.data(), rh.by_hostname.size());
- lua_setfield(L, -2, "by_hostname");
- lua_pushlstring(L, rh.for_mbox.data(), rh.for_mbox.size());
- lua_setfield(L, -2, "for");
+ auto push_nullable_string = [L](const mime_string &st, const char *field) {
+ if (st.empty()) {
+ lua_pushnil(L);
+ }
+ else {
+ lua_pushlstring(L, st.data(), st.size());
+ }
+ lua_setfield(L, -2, field);
+ };
+
+ push_nullable_string(rh.from_hostname, "from_hostname");
+ push_nullable_string(rh.real_hostname, "real_hostname");
+ push_nullable_string(rh.real_ip, "from_ip");
+ push_nullable_string(rh.by_hostname, "by_hostname");
+ push_nullable_string(rh.for_mbox, "for");
rspamd_lua_ip_push (L, rh.addr);
lua_setfield(L, -2, "real_ip");