From f2b1a1897537d1915ac2f840b13a8991018755c4 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Tue, 19 Jun 2018 16:08:05 +0200
Subject: DOH: add test case 1650 and 2100

---
 lib/doh.h | 65 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)

(limited to 'lib/doh.h')

diff --git a/lib/doh.h b/lib/doh.h
index e9c017c72..96c1fa7c1 100644
--- a/lib/doh.h
+++ b/lib/doh.h
@@ -41,4 +41,69 @@ CURLcode Curl_doh_is_resolved(struct connectdata *conn,
 int Curl_doh_getsock(struct connectdata *conn, curl_socket_t *socks,
                      int numsocks);
 
+typedef enum {
+  DOH_OK,
+  DOH_DNS_BAD_LABEL,    /* 1 */
+  DOH_DNS_OUT_OF_RANGE, /* 2 */
+  DOH_DNS_LABEL_LOOP,   /* 3 */
+  DOH_TOO_SMALL_BUFFER, /* 4 */
+  DOH_OUT_OF_MEM,       /* 5 */
+  DOH_DNS_RDATA_LEN,    /* 6 */
+  DOH_DNS_MALFORMAT,    /* 7 */
+  DOH_DNS_BAD_RCODE,    /* 8 - no such name */
+  DOH_DNS_UNEXPECTED_TYPE,  /* 9 */
+  DOH_DNS_UNEXPECTED_CLASS, /* 10 */
+  DOH_NO_CONTENT,           /* 11 */
+  DOH_DNS_BAD_ID            /* 12 */
+} DOHcode;
+
+typedef enum {
+  DNS_TYPE_A = 1,
+  DNS_TYPE_NS = 2,
+  DNS_TYPE_CNAME = 5,
+  DNS_TYPE_AAAA = 28
+} DNStype;
+
+#define DOH_MAX_ADDR 24
+#define DOH_MAX_CNAME 4
+
+struct addr6 {
+  unsigned char byte[16];
+};
+
+struct cnamestore {
+  size_t len;       /* length of cname */
+  char *alloc;      /* allocated pointer */
+  size_t allocsize; /* allocated size */
+};
+
+struct dohaddr {
+  int type;
+  union {
+    unsigned int v4;
+    struct addr6 v6;
+  } ip;
+};
+
+struct dohentry {
+  unsigned int ttl;
+  int numaddr;
+  struct dohaddr addr[DOH_MAX_ADDR];
+  int numcname;
+  struct cnamestore cname[DOH_MAX_CNAME];
+};
+
+
+#ifdef DEBUGBUILD
+DOHcode doh_encode(const char *host,
+                   DNStype dnstype,
+                   unsigned char *dnsp, /* buffer */
+                   size_t len,  /* buffer size */
+                   size_t *olen); /* output length */
+DOHcode doh_decode(unsigned char *doh,
+                   size_t dohlen,
+                   DNStype dnstype,
+                   struct dohentry *d);
+void de_cleanup(struct dohentry *d);
+#endif
 #endif
-- 
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