* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2013, 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
* KIND, either express or implied.
*
***************************************************************************/
-#include "setup.h"
+
+#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
- /* -- WIN32 approved -- */
-#include <stdio.h>
-#include <string.h>
-#include <stdarg.h>
-#include <stdlib.h>
-#include <ctype.h>
#include "urldata.h"
#include "sendf.h"
#include "curl_base64.h"
#include "http_negotiate.h"
#include "curl_memory.h"
+#include "url.h"
#ifdef HAVE_SPNEGO
# include <spnegohelp.h>
gss_release_buffer(&min_stat, &status_string);
} while(!GSS_ERROR(maj_stat) && msg_ctx != 0);
- infof(conn->data, "%s", buf);
+ infof(conn->data, "%s\n", buf);
}
/* returning zero (0) means success, everything else is treated as "failure"
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;
- OM_uint32 major_status, minor_status, minor_status2;
+ 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, rawlen;
+ size_t len;
+ size_t rawlen = 0;
bool gss;
const char* protocol;
+ CURLcode error;
- while(*header && ISSPACE(*header))
- header++;
if(checkprefix("GSS-Negotiate", header)) {
protocol = "GSS-Negotiate";
gss = TRUE;
/* 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);
+ Curl_cleanup_negotiate(data);
return -1;
}
len = strlen(header);
if(len > 0) {
- rawlen = Curl_base64_decode(header,
- (unsigned char **)&input_token.value);
- if(rawlen == 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);
+
#ifdef HAVE_SPNEGO /* Handle SPNEGO */
if(checkprefix("Negotiate", header)) {
- ASN1_OBJECT * object = NULL;
- int rc = 1;
- unsigned char * spnegoToken = NULL;
+ unsigned char *spnegoToken = NULL;
size_t spnegoTokenLength = 0;
- unsigned char * mechToken = NULL;
- size_t mechTokenLength = 0;
-
- if(input_token.value == NULL)
- return CURLE_OUT_OF_MEMORY;
+ gss_buffer_desc mechToken = GSS_C_EMPTY_BUFFER;
spnegoToken = malloc(input_token.length);
- if(spnegoToken == NULL)
+ if(spnegoToken == NULL) {
+ Curl_safefree(input_token.value);
return CURLE_OUT_OF_MEMORY;
-
+ }
+ memcpy(spnegoToken, input_token.value, input_token.length);
spnegoTokenLength = input_token.length;
- object = OBJ_txt2obj ("1.2.840.113554.1.2.2", 1);
if(!parseSpnegoTargetToken(spnegoToken,
spnegoTokenLength,
NULL,
NULL,
- &mechToken,
- &mechTokenLength,
+ (unsigned char**)&mechToken.value,
+ &mechToken.length,
NULL,
NULL)) {
- free(spnegoToken);
- spnegoToken = NULL;
- infof(conn->data, "Parse SPNEGO Target Token failed\n");
+ Curl_safefree(spnegoToken);
+ infof(data, "Parse SPNEGO Target Token failed\n");
+ }
+ else if(!mechToken.value || !mechToken.length) {
+ Curl_safefree(spnegoToken);
+ if(mechToken.value)
+ gss_release_buffer(&discard_st, &mechToken);
+ infof(data, "Parse SPNEGO Target Token succeeded (NULL token)\n");
}
else {
- free(input_token.value);
- input_token.value = malloc(mechTokenLength);
- if(input_token.value == NULL)
+ Curl_safefree(spnegoToken);
+ Curl_safefree(input_token.value);
+ input_token.value = malloc(mechToken.length);
+ if(input_token.value == NULL) {
+ gss_release_buffer(&discard_st, &mechToken);
return CURLE_OUT_OF_MEMORY;
-
- memcpy(input_token.value, mechToken,mechTokenLength);
- input_token.length = mechTokenLength;
- free(mechToken);
- mechToken = NULL;
- infof(conn->data, "Parse SPNEGO Target Token succeeded\n");
+ }
+ memcpy(input_token.value, mechToken.value, mechToken.length);
+ input_token.length = mechToken.length;
+ gss_release_buffer(&discard_st, &mechToken);
+ infof(data, "Parse SPNEGO Target Token succeeded\n");
}
}
#endif
}
- major_status = Curl_gss_init_sec_context(&minor_status,
+ major_status = Curl_gss_init_sec_context(data,
+ &minor_status,
&neg_ctx->context,
neg_ctx->server_name,
GSS_C_NO_CHANNEL_BINDINGS,
&input_token,
&output_token,
NULL);
- if(input_token.length > 0)
- gss_release_buffer(&minor_status2, &input_token);
+ Curl_safefree(input_token.value);
+
neg_ctx->status = major_status;
if(GSS_ERROR(major_status)) {
- /* Curl_cleanup_negotiate(conn->data) ??? */
- log_gss_error(conn, minor_status,
- "gss_init_sec_context() failed: ");
+ 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.length == 0) {
+ 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;
- /* conn->bits.close = FALSE; */
-
return 0;
}
struct negotiatedata *neg_ctx = proxy?&conn->data->state.proxyneg:
&conn->data->state.negotiate;
char *encoded = NULL;
- size_t len;
+ size_t len = 0;
char *userp;
+ CURLcode error;
+ OM_uint32 discard_st;
#ifdef HAVE_SPNEGO /* Handle SPNEGO */
if(checkprefix("Negotiate", neg_ctx->protocol)) {
- ASN1_OBJECT * object = NULL;
- int rc = 1;
- unsigned char * spnegoToken = NULL;
- size_t spnegoTokenLength = 0;
- unsigned char * responseToken = NULL;
+ ASN1_OBJECT *object = NULL;
+ unsigned char *responseToken = NULL;
size_t responseTokenLength = 0;
+ gss_buffer_desc spnegoToken = GSS_C_EMPTY_BUFFER;
responseToken = malloc(neg_ctx->output_token.length);
if(responseToken == NULL)
neg_ctx->output_token.length);
responseTokenLength = neg_ctx->output_token.length;
- object=OBJ_txt2obj ("1.2.840.113554.1.2.2", 1);
- if(!makeSpnegoInitialToken (object,
- responseToken,
- responseTokenLength,
- &spnegoToken,
- &spnegoTokenLength)) {
- free(responseToken);
- responseToken = NULL;
+ object = OBJ_txt2obj("1.2.840.113554.1.2.2", 1);
+ if(!object) {
+ Curl_safefree(responseToken);
+ return CURLE_OUT_OF_MEMORY;
+ }
+
+ if(!makeSpnegoInitialToken(object,
+ responseToken,
+ responseTokenLength,
+ (unsigned char**)&spnegoToken.value,
+ &spnegoToken.length)) {
+ Curl_safefree(responseToken);
+ ASN1_OBJECT_free(object);
infof(conn->data, "Make SPNEGO Initial Token failed\n");
}
+ else if(!spnegoToken.value || !spnegoToken.length) {
+ Curl_safefree(responseToken);
+ ASN1_OBJECT_free(object);
+ if(spnegoToken.value)
+ gss_release_buffer(&discard_st, &spnegoToken);
+ infof(conn->data, "Make SPNEGO Initial Token succeeded (NULL token)\n");
+ }
else {
- free(responseToken);
- responseToken = NULL;
- free(neg_ctx->output_token.value);
- neg_ctx->output_token.value = malloc(spnegoTokenLength);
- if(neg_ctx->output_token.value == NULL) {
- free(spnegoToken);
- spnegoToken = NULL;
- return CURLE_OUT_OF_MEMORY;
- }
- memcpy(neg_ctx->output_token.value, spnegoToken,spnegoTokenLength);
- neg_ctx->output_token.length = spnegoTokenLength;
- free(spnegoToken);
- spnegoToken = NULL;
+ Curl_safefree(responseToken);
+ ASN1_OBJECT_free(object);
+ gss_release_buffer(&discard_st, &neg_ctx->output_token);
+ neg_ctx->output_token.value = spnegoToken.value;
+ neg_ctx->output_token.length = spnegoToken.length;
infof(conn->data, "Make SPNEGO Initial Token succeeded\n");
}
}
#endif
- len = Curl_base64_encode(conn->data,
- neg_ctx->output_token.value,
- neg_ctx->output_token.length,
- &encoded);
+ 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(len == 0)
- return CURLE_OUT_OF_MEMORY;
+ 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: %s %s\r\n", proxy ? "Proxy-" : "",
neg_ctx->protocol, encoded);
-
- if(proxy)
+ if(proxy) {
+ Curl_safefree(conn->allocptr.proxyuserpwd);
conn->allocptr.proxyuserpwd = userp;
- else
+ }
+ else {
+ Curl_safefree(conn->allocptr.userpwd);
conn->allocptr.userpwd = userp;
- free(encoded);
- Curl_cleanup_negotiate (conn->data);
+ }
+
+ Curl_safefree(encoded);
+ Curl_cleanup_negotiate(conn->data);
+
return (userp == NULL) ? CURLE_OUT_OF_MEMORY : CURLE_OK;
}
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.length != 0)
+ if(neg_ctx->output_token.value)
gss_release_buffer(&minor_status, &neg_ctx->output_token);
if(neg_ctx->server_name != GSS_C_NO_NAME)
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