Update header length after each parsed rule, as it might change when parsing SPI...

diff --git a/src/libcharon/encoding/parser.c b/src/libcharon/encoding/parser.c
index e599b84d9ded708d020f657aff0c6e0690fe71f0..39ce2db67c27b914d8de83540f5bc1c6087e734f 100644 (file)
--- a/src/libcharon/encoding/parser.c
+++ b/src/libcharon/encoding/parser.c
@@ -380,12 +380,13 @@ METHOD(parser_t, parse_payload, status_t,
 
        /* base pointer for output, avoids casting in every rule */
        output = pld;
-
-       header_length = pld->get_header_length(pld);
        /* parse the payload with its own rulse */
        rule_count = pld->get_encoding_rules(pld, &this->rules);
        for (rule_number = 0; rule_number < rule_count; rule_number++)
        {
+               /* update header length for each rule, as it is dynamic (SPIs) */
+               header_length = pld->get_header_length(pld);
+
                rule = &(this->rules[rule_number]);
                DBG2(DBG_ENC, "  parsing rule %d %N",
                         rule_number, encoding_type_names, rule->type);