diff options
Diffstat (limited to 'src/evaluate.c')
| -rw-r--r-- | src/evaluate.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/src/evaluate.c b/src/evaluate.c index 76b25b40..3eb8e1bf 100644 --- a/src/evaluate.c +++ b/src/evaluate.c @@ -706,7 +706,8 @@ static int __expr_evaluate_payload(struct eval_ctx *ctx, struct expr *expr) return -1; rule_stmt_insert_at(ctx->rule, nstmt, ctx->stmt); - return 0; + desc = ctx->pctx.protocol[base].desc; + goto check_icmp; } if (payload->payload.base == desc->base && @@ -724,7 +725,24 @@ static int __expr_evaluate_payload(struct eval_ctx *ctx, struct expr *expr) * if needed. */ if (desc == payload->payload.desc) { + const struct proto_hdr_template *tmpl; + payload->payload.offset += ctx->pctx.protocol[base].offset; +check_icmp: + if (desc != &proto_icmp) + return 0; + + tmpl = expr->payload.tmpl; + + if (!tmpl || !tmpl->icmp_dep) + return 0; + + if (payload_gen_icmp_dependency(ctx, expr, &nstmt) < 0) + return -1; + + if (nstmt) + rule_stmt_insert_at(ctx->rule, nstmt, ctx->stmt); + return 0; } /* If we already have context and this payload is on the same |