correction link libraries libcurl

Change-Id: I8be291ac6b9ec15f0f7bbaa8b434da9d319ae389
Signed-off-by: Angelo Mantellini (manangel) <angelo.mantellini@irt-systemx.fr>

1 files changed, 243 insertions, 0 deletions

diff --git a/external/libcurl_android/jni/libcurl/lib/http_negotiate.c b/external/libcurl_android/jni/libcurl/lib/http_negotiate.c
new file mode 100755
index 00000000..c8bfa29b
--- /dev/null
+++ b/external/libcurl_android/jni/libcurl/lib/http_negotiate.c
@@ -0,0 +1,243 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at http://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef HAVE_GSSAPI
+#ifdef HAVE_OLD_GSSMIT
+#define GSS_C_NT_HOSTBASED_SERVICE gss_nt_service_name
+#define NCOMPAT 1
+#endif
+
+#ifndef CURL_DISABLE_HTTP
+
+#include "urldata.h"
+#include "sendf.h"
+#include "curl_gssapi.h"
+#include "rawstr.h"
+#include "curl_base64.h"
+#include "http_negotiate.h"
+#include "curl_memory.h"
+#include "url.h"
+
+#define _MPRINTF_REPLACE /* use our functions only */
+#include <curl/mprintf.h>
+
+/* The last #include file should be: */
+#include "memdebug.h"
+
+static int
+get_gss_name(struct connectdata *conn, bool proxy, gss_name_t *server)
+{
+  OM_uint32 major_status, minor_status;
+  gss_buffer_desc token = GSS_C_EMPTY_BUFFER;
+  char name[2048];
+  const char* service = "HTTP";
+
+  token.length = strlen(service) + 1 + strlen(proxy ? conn->proxy.name :
+                                              conn->host.name) + 1;
+  if(token.length + 1 > sizeof(name))
+    return EMSGSIZE;
+
+  snprintf(name, sizeof(name), "%s@%s", service, proxy ? conn->proxy.name :
+           conn->host.name);
+
+  token.value = (void *) name;
+  major_status = gss_import_name(&minor_status,
+                                 &token,
+                                 GSS_C_NT_HOSTBASED_SERVICE,
+                                 server);
+
+  return GSS_ERROR(major_status) ? -1 : 0;
+}
+
+static void
+log_gss_error(struct connectdata *conn, OM_uint32 error_status,
+              const char *prefix)
+{
+  OM_uint32 maj_stat, min_stat;
+  OM_uint32 msg_ctx = 0;
+  gss_buffer_desc status_string;
+  char buf[1024];
+  size_t len;
+
+  snprintf(buf, sizeof(buf), "%s", prefix);
+  len = strlen(buf);
+  do {
+    maj_stat = gss_display_status(&min_stat,
+                                  error_status,
+                                  GSS_C_MECH_CODE,
+                                  GSS_C_NO_OID,
+                                  &msg_ctx,
+                                  &status_string);
+      if(sizeof(buf) > len + status_string.length + 1) {
+        snprintf(buf + len, sizeof(buf) - len,
+                 ": %s", (char*) status_string.value);
+      len += status_string.length;
+    }
+    gss_release_buffer(&min_stat, &status_string);
+  } while(!GSS_ERROR(maj_stat) && msg_ctx != 0);
+
+  infof(conn->data, "%s\n", buf);
+}
+
+/* returning zero (0) means success, everything else is treated as "failure"
+   with no care exactly what the failure was */
+int Curl_input_negotiate(struct connectdata *conn, bool proxy,
+                         const char *header)
+{
+  struct SessionHandle *data = conn->data;
+  struct negotiatedata *neg_ctx = proxy?&data->state.proxyneg:
+    &data->state.negotiate;
+  OM_uint32 major_status, minor_status, discard_st;
+  gss_buffer_desc input_token = GSS_C_EMPTY_BUFFER;
+  gss_buffer_desc output_token = GSS_C_EMPTY_BUFFER;
+  int ret;
+  size_t len;
+  size_t rawlen = 0;
+  CURLcode error;
+
+  if(neg_ctx->context && neg_ctx->status == GSS_S_COMPLETE) {
+    /* We finished successfully our part of authentication, but server
+     * rejected it (since we're again here). Exit with an error since we
+     * can't invent anything better */
+    Curl_cleanup_negotiate(data);
+    return -1;
+  }
+
+  if(neg_ctx->server_name == NULL &&
+      (ret = get_gss_name(conn, proxy, &neg_ctx->server_name)))
+    return ret;
+
+  header += strlen("Negotiate");
+  while(*header && ISSPACE(*header))
+    header++;
+
+  len = strlen(header);
+  if(len > 0) {
+    error = Curl_base64_decode(header,
+                               (unsigned char **)&input_token.value, &rawlen);
+    if(error || rawlen == 0)
+      return -1;
+    input_token.length = rawlen;
+
+    DEBUGASSERT(input_token.value != NULL);
+  }
+
+  major_status = Curl_gss_init_sec_context(data,
+                                           &minor_status,
+                                           &neg_ctx->context,
+                                           neg_ctx->server_name,
+                                           &Curl_spnego_mech_oid,
+                                           GSS_C_NO_CHANNEL_BINDINGS,
+                                           &input_token,
+                                           &output_token,
+                                           NULL);
+  Curl_safefree(input_token.value);
+
+  neg_ctx->status = major_status;
+  if(GSS_ERROR(major_status)) {
+    if(output_token.value)
+      gss_release_buffer(&discard_st, &output_token);
+    log_gss_error(conn, minor_status, "gss_init_sec_context() failed: ");
+    return -1;
+  }
+
+  if(!output_token.value || !output_token.length) {
+    if(output_token.value)
+      gss_release_buffer(&discard_st, &output_token);
+    return -1;
+  }
+
+  neg_ctx->output_token = output_token;
+  return 0;
+}
+
+
+CURLcode Curl_output_negotiate(struct connectdata *conn, bool proxy)
+{
+  struct negotiatedata *neg_ctx = proxy?&conn->data->state.proxyneg:
+    &conn->data->state.negotiate;
+  char *encoded = NULL;
+  size_t len = 0;
+  char *userp;
+  CURLcode error;
+  OM_uint32 discard_st;
+
+  error = Curl_base64_encode(conn->data,
+                             neg_ctx->output_token.value,
+                             neg_ctx->output_token.length,
+                             &encoded, &len);
+  if(error) {
+    gss_release_buffer(&discard_st, &neg_ctx->output_token);
+    neg_ctx->output_token.value = NULL;
+    neg_ctx->output_token.length = 0;
+    return error;
+  }
+
+  if(!encoded || !len) {
+    gss_release_buffer(&discard_st, &neg_ctx->output_token);
+    neg_ctx->output_token.value = NULL;
+    neg_ctx->output_token.length = 0;
+    return CURLE_REMOTE_ACCESS_DENIED;
+  }
+
+  userp = aprintf("%sAuthorization: Negotiate %s\r\n", proxy ? "Proxy-" : "",
+                  encoded);
+  if(proxy) {
+    Curl_safefree(conn->allocptr.proxyuserpwd);
+    conn->allocptr.proxyuserpwd = userp;
+  }
+  else {
+    Curl_safefree(conn->allocptr.userpwd);
+    conn->allocptr.userpwd = userp;
+  }
+
+  Curl_safefree(encoded);
+
+  return (userp == NULL) ? CURLE_OUT_OF_MEMORY : CURLE_OK;
+}
+
+static void cleanup(struct negotiatedata *neg_ctx)
+{
+  OM_uint32 minor_status;
+  if(neg_ctx->context != GSS_C_NO_CONTEXT)
+    gss_delete_sec_context(&minor_status, &neg_ctx->context, GSS_C_NO_BUFFER);
+
+  if(neg_ctx->output_token.value)
+    gss_release_buffer(&minor_status, &neg_ctx->output_token);
+
+  if(neg_ctx->server_name != GSS_C_NO_NAME)
+    gss_release_name(&minor_status, &neg_ctx->server_name);
+
+  memset(neg_ctx, 0, sizeof(*neg_ctx));
+}
+
+void Curl_cleanup_negotiate(struct SessionHandle *data)
+{
+  cleanup(&data->state.negotiate);
+  cleanup(&data->state.proxyneg);
+}
+
+
+#endif
+#endif