corpus: Add enum for HTTP auth strings

Taken from curl/curl.h and converted to Python, for convenience when
writing corpus seed cases.

Author: kaoudis

corpus_curl_opt_http_auth.py

@@ -0,0 +1,31 @@
+#!/usr/bin/env python
+# Allow using strings to represent CURLOPT_HTTPAUTH values when
+# generating corpus files. The original defines live in curl.h.
+
+from enum import Enum
+
+class CurlOptHttpAuth(Enum):
+    #define CURLAUTH_NONE         ((unsigned long)0)
+    CURLAUTH_NONE = 0
+    #define CURLAUTH_BASIC        (((unsigned long)1)<<0)
+    CURLAUTH_BASIC = 1
+    #define CURLAUTH_DIGEST       (((unsigned long)1)<<1)
+    CURLAUTH_DIGEST = 2
+    #define CURLAUTH_NEGOTIATE    (((unsigned long)1)<<2)
+    CURLAUTH_NEGOTIATE = 4
+    #define CURLAUTH_NTLM         (((unsigned long)1)<<3)
+    CURLAUTH_NTLM = 8
+    #define CURLAUTH_DIGEST_IE    (((unsigned long)1)<<4)
+    CURLAUTH_DIGEST_IE = 16
+    #define CURLAUTH_NTLM_WB      (((unsigned long)1)<<5)
+    CURLAUTH_NTLM_WB = 32
+    #define CURLAUTH_BEARER       (((unsigned long)1)<<6)
+    CURLAUTH_BEARER = 64
+    #define CURLAUTH_AWS_SIGV4    (((unsigned long)1)<<7)
+    CURLAUTH_AWS_SIGV4 = 128
+    #define CURLAUTH_ONLY         (((unsigned long)1)<<31)
+    CURLAUTH_ONLY = 2147483648
+    #define CURLAUTH_ANY          (~CURLAUTH_DIGEST_IE)
+    CURLAUTH_ANY = 4294967279
+    #define CURLAUTH_ANYSAFE      (~(CURLAUTH_BASIC|CURLAUTH_DIGEST_IE))
+    CURLAUTH_ANYSAFE = 4294967278