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Diffstat (limited to 'lib/http_negotiate_sspi.c')
-rw-r--r--lib/http_negotiate_sspi.c308
1 files changed, 0 insertions, 308 deletions
diff --git a/lib/http_negotiate_sspi.c b/lib/http_negotiate_sspi.c
deleted file mode 100644
index d82b27110..000000000
--- a/lib/http_negotiate_sspi.c
+++ /dev/null
@@ -1,308 +0,0 @@
-/***************************************************************************
- * _ _ ____ _
- * Project ___| | | | _ \| |
- * / __| | | | |_) | |
- * | (__| |_| | _ <| |___
- * \___|\___/|_| \_\_____|
- *
- * Copyright (C) 1998 - 2012, 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 USE_WINDOWS_SSPI
-
-#ifndef CURL_DISABLE_HTTP
-
-#include "curl_urldata.h"
-#include "curl_sendf.h"
-#include "curl_rawstr.h"
-#include "curl_warnless.h"
-#include "curl_base64.h"
-#include "curl_http_negotiate.h"
-#include "curl_memory.h"
-#include "curl_multibyte.h"
-
-#define _MPRINTF_REPLACE /* use our functions only */
-#include <curl/mprintf.h>
-
-/* The last #include file should be: */
-#include "curl_memdebug.h"
-
-static int
-get_gss_name(struct connectdata *conn, bool proxy,
- struct negotiatedata *neg_ctx)
-{
- const char* service;
- size_t length;
-
- if(proxy && !conn->proxy.name)
- /* proxy auth requested but no given proxy name, error out! */
- return -1;
-
- /* GSSAPI implementation by Globus (known as GSI) requires the name to be
- of form "<service>/<fqdn>" instead of <service>@<fqdn> (ie. slash instead
- of at-sign). Also GSI servers are often identified as 'host' not 'khttp'.
- Change following lines if you want to use GSI */
-
- /* IIS uses the <service>@<fqdn> form but uses 'http' as the service name,
- and SSPI then generates an NTLM token. When using <service>/<fqdn> a
- Kerberos token is generated. */
-
- if(neg_ctx->gss)
- service = "KHTTP";
- else
- service = "HTTP";
-
- length = strlen(service) + 1 + strlen(proxy ? conn->proxy.name :
- conn->host.name) + 1;
- if(length + 1 > sizeof(neg_ctx->server_name))
- return EMSGSIZE;
-
- snprintf(neg_ctx->server_name, sizeof(neg_ctx->server_name), "%s/%s",
- service, proxy ? conn->proxy.name : conn->host.name);
-
- return 0;
-}
-
-/* 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 negotiatedata *neg_ctx = proxy?&conn->data->state.proxyneg:
- &conn->data->state.negotiate;
- BYTE *input_token = 0;
- SecBufferDesc out_buff_desc;
- SecBuffer out_sec_buff;
- SecBufferDesc in_buff_desc;
- SecBuffer in_sec_buff;
- unsigned long context_attributes;
- TimeStamp lifetime;
- TCHAR *sname;
- int ret;
- size_t len = 0, input_token_len = 0;
- bool gss = FALSE;
- const char* protocol;
- CURLcode error;
-
- while(*header && ISSPACE(*header))
- header++;
-
- if(checkprefix("GSS-Negotiate", header)) {
- protocol = "GSS-Negotiate";
- gss = TRUE;
- }
- else if(checkprefix("Negotiate", header)) {
- protocol = "Negotiate";
- gss = FALSE;
- }
- else
- return -1;
-
- if(neg_ctx->context) {
- if(neg_ctx->gss != gss) {
- return -1;
- }
- }
- else {
- neg_ctx->protocol = protocol;
- neg_ctx->gss = gss;
- }
-
- if(neg_ctx->context && neg_ctx->status == SEC_E_OK) {
- /* 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(conn->data);
- return -1;
- }
-
- if(0 == strlen(neg_ctx->server_name)) {
- ret = get_gss_name(conn, proxy, neg_ctx);
- if(ret)
- return ret;
- }
-
- if(!neg_ctx->output_token) {
- PSecPkgInfo SecurityPackage;
- ret = s_pSecFn->QuerySecurityPackageInfo((TCHAR *) TEXT("Negotiate"),
- &SecurityPackage);
- if(ret != SEC_E_OK)
- return -1;
-
- /* Allocate input and output buffers according to the max token size
- as indicated by the security package */
- neg_ctx->max_token_length = SecurityPackage->cbMaxToken;
- neg_ctx->output_token = malloc(neg_ctx->max_token_length);
- s_pSecFn->FreeContextBuffer(SecurityPackage);
- }
-
- /* Obtain the input token, if any */
- header += strlen(neg_ctx->protocol);
- while(*header && ISSPACE(*header))
- header++;
-
- len = strlen(header);
- if(!len) {
- /* first call in a new negotation, we have to acquire credentials,
- and allocate memory for the context */
-
- neg_ctx->credentials = malloc(sizeof(CredHandle));
- neg_ctx->context = malloc(sizeof(CtxtHandle));
-
- if(!neg_ctx->credentials || !neg_ctx->context)
- return -1;
-
- neg_ctx->status =
- s_pSecFn->AcquireCredentialsHandle(NULL,
- (TCHAR *) TEXT("Negotiate"),
- SECPKG_CRED_OUTBOUND, NULL, NULL,
- NULL, NULL, neg_ctx->credentials,
- &lifetime);
- if(neg_ctx->status != SEC_E_OK)
- return -1;
- }
- else {
- input_token = malloc(neg_ctx->max_token_length);
- if(!input_token)
- return -1;
-
- error = Curl_base64_decode(header,
- (unsigned char **)&input_token,
- &input_token_len);
- if(error || input_token_len == 0)
- return -1;
- }
-
- /* prepare the output buffers, and input buffers if present */
- out_buff_desc.ulVersion = 0;
- out_buff_desc.cBuffers = 1;
- out_buff_desc.pBuffers = &out_sec_buff;
-
- out_sec_buff.cbBuffer = curlx_uztoul(neg_ctx->max_token_length);
- out_sec_buff.BufferType = SECBUFFER_TOKEN;
- out_sec_buff.pvBuffer = neg_ctx->output_token;
-
-
- if(input_token) {
- in_buff_desc.ulVersion = 0;
- in_buff_desc.cBuffers = 1;
- in_buff_desc.pBuffers = &in_sec_buff;
-
- in_sec_buff.cbBuffer = curlx_uztoul(input_token_len);
- in_sec_buff.BufferType = SECBUFFER_TOKEN;
- in_sec_buff.pvBuffer = input_token;
- }
-
- sname = Curl_convert_UTF8_to_tchar(neg_ctx->server_name);
- if(!sname)
- return CURLE_OUT_OF_MEMORY;
-
- neg_ctx->status = s_pSecFn->InitializeSecurityContext(
- neg_ctx->credentials,
- input_token ? neg_ctx->context : 0,
- sname,
- ISC_REQ_CONFIDENTIALITY,
- 0,
- SECURITY_NATIVE_DREP,
- input_token ? &in_buff_desc : 0,
- 0,
- neg_ctx->context,
- &out_buff_desc,
- &context_attributes,
- &lifetime);
-
- Curl_unicodefree(sname);
-
- if(GSS_ERROR(neg_ctx->status))
- return -1;
-
- if(neg_ctx->status == SEC_I_COMPLETE_NEEDED ||
- neg_ctx->status == SEC_I_COMPLETE_AND_CONTINUE) {
- neg_ctx->status = s_pSecFn->CompleteAuthToken(neg_ctx->context,
- &out_buff_desc);
- if(GSS_ERROR(neg_ctx->status))
- return -1;
- }
-
- neg_ctx->output_token_length = out_sec_buff.cbBuffer;
-
- 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;
-
- error = Curl_base64_encode(conn->data,
- (const char*)neg_ctx->output_token,
- neg_ctx->output_token_length,
- &encoded, &len);
- if(error)
- return error;
-
- if(len == 0)
- return CURLE_REMOTE_ACCESS_DENIED;
-
- userp = aprintf("%sAuthorization: %s %s\r\n", proxy ? "Proxy-" : "",
- neg_ctx->protocol, encoded);
-
- if(proxy)
- conn->allocptr.proxyuserpwd = userp;
- else
- conn->allocptr.userpwd = userp;
- free(encoded);
- Curl_cleanup_negotiate (conn->data);
- return (userp == NULL) ? CURLE_OUT_OF_MEMORY : CURLE_OK;
-}
-
-static void cleanup(struct negotiatedata *neg_ctx)
-{
- if(neg_ctx->context) {
- s_pSecFn->DeleteSecurityContext(neg_ctx->context);
- free(neg_ctx->context);
- neg_ctx->context = 0;
- }
-
- if(neg_ctx->credentials) {
- s_pSecFn->FreeCredentialsHandle(neg_ctx->credentials);
- free(neg_ctx->credentials);
- neg_ctx->credentials = 0;
- }
-
- if(neg_ctx->output_token) {
- free(neg_ctx->output_token);
- neg_ctx->output_token = 0;
- }
-
- neg_ctx->max_token_length = 0;
-}
-
-void Curl_cleanup_negotiate(struct SessionHandle *data)
-{
- cleanup(&data->state.negotiate);
- cleanup(&data->state.proxyneg);
-}
-
-
-#endif
-#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-02 16:39:36 +0000