lib-smtp: common: Added support for having custom fields in struct smtp_proxy_data.

diff --git a/src/lib-smtp/smtp-common.h b/src/lib-smtp/smtp-common.h
index f4d04396e9f8bd1f5e75595b8bbf71a9eb7a053f..8e3d1d0c906b51f5e7104626e515fa9e5222ca48 100644 (file)
--- a/src/lib-smtp/smtp-common.h
+++ b/src/lib-smtp/smtp-common.h
@@ -60,6 +60,12 @@ enum smtp_proxy_protocol {
        SMTP_PROXY_PROTOCOL_LMTP
 };
 
+struct smtp_proxy_data_field {
+       const char *name;
+       const char *value;
+};
+ARRAY_DEFINE_TYPE(smtp_proxy_data_field, struct smtp_proxy_data_field);
+
 struct smtp_proxy_data {
        /* PROTO */
        enum smtp_proxy_protocol proto;
@@ -76,6 +82,10 @@ struct smtp_proxy_data {
           after this many seconds, so it should try to keep lock waits and such
           lower than this. */
        unsigned int timeout_secs;
+
+       /* additional fields */
+       const struct smtp_proxy_data_field *extra_fields;
+       unsigned int extra_fields_count;
 };
 
 #endif