sasl: support SCRAM-SHA-1 and SCRAM-SHA-256 via libgsasl

Closes #6372

1 files changed, 25 insertions, 0 deletions

diff --git a/lib/vauth/vauth.h b/lib/vauth/vauth.h
index f25cfc329..e7728c4ba 100644
--- a/lib/vauth/vauth.h
+++ b/lib/vauth/vauth.h
@@ -42,6 +42,10 @@ struct kerberos5data;
 struct negotiatedata;
 #endif
 
+#if defined(USE_GSASL)
+struct gsasldata;
+#endif
+
 #if defined(USE_WINDOWS_SSPI)
 #define GSS_ERROR(status) ((status) & 0x80000000)
 #endif
@@ -115,6 +119,27 @@ CURLcode Curl_auth_create_digest_http_message(struct Curl_easy *data,
 void Curl_auth_digest_cleanup(struct digestdata *digest);
 #endif /* !CURL_DISABLE_CRYPTO_AUTH */
 
+#ifdef USE_GSASL
+/* This is used to evaluate if MECH is supported by gsasl */
+bool Curl_auth_gsasl_is_supported(struct Curl_easy *data,
+                                  const char *mech,
+                                  struct gsasldata *gsasl);
+/* This is used to start a gsasl method */
+CURLcode Curl_auth_gsasl_start(struct Curl_easy *data,
+                               const char *userp,
+                               const char *passwdp,
+                               struct gsasldata *gsasl);
+
+/* This is used to process and generate a new SASL token */
+CURLcode Curl_auth_gsasl_token(struct Curl_easy *data,
+                               const char *chlg64,
+                               struct gsasldata *gsasl,
+                               char **outptr, size_t *outlen);
+
+/* This is used to clean up the gsasl specific data */
+void Curl_auth_gsasl_cleanup(struct gsasldata *digest);
+#endif
+
 #if defined(USE_NTLM)
 /* This is used to evaluate if NTLM is supported */
 bool Curl_auth_is_ntlm_supported(void);