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authorYang Tse <yangsita@gmail.com>2013-01-03 06:13:18 +0100
committerYang Tse <yangsita@gmail.com>2013-01-03 06:13:18 +0100
commit5b6e7927c6891d93edc16695ae786dc686274bab (patch)
tree8b9da426b7152f617522cfa153e541ec26ff6961 /lib/curl_http_negotiate.c
parent13606bbfdeaa3bac193e1f39a05a9c9b5f15d1b5 (diff)
build: rename 93 lib/*.c files
93 lib/*.c source files renamed to use our standard naming scheme. This commit only does the file renaming. ---------------------------------------- renamed: lib/amigaos.c -> lib/curl_amigaos.c renamed: lib/asyn-ares.c -> lib/curl_asyn_ares.c renamed: lib/asyn-thread.c -> lib/curl_asyn_thread.c renamed: lib/axtls.c -> lib/curl_axtls.c renamed: lib/base64.c -> lib/curl_base64.c renamed: lib/bundles.c -> lib/curl_bundles.c renamed: lib/conncache.c -> lib/curl_conncache.c renamed: lib/connect.c -> lib/curl_connect.c renamed: lib/content_encoding.c -> lib/curl_content_encoding.c renamed: lib/cookie.c -> lib/curl_cookie.c renamed: lib/cyassl.c -> lib/curl_cyassl.c renamed: lib/dict.c -> lib/curl_dict.c renamed: lib/easy.c -> lib/curl_easy.c renamed: lib/escape.c -> lib/curl_escape.c renamed: lib/file.c -> lib/curl_file.c renamed: lib/fileinfo.c -> lib/curl_fileinfo.c renamed: lib/formdata.c -> lib/curl_formdata.c renamed: lib/ftp.c -> lib/curl_ftp.c renamed: lib/ftplistparser.c -> lib/curl_ftplistparser.c renamed: lib/getenv.c -> lib/curl_getenv.c renamed: lib/getinfo.c -> lib/curl_getinfo.c renamed: lib/gopher.c -> lib/curl_gopher.c renamed: lib/gtls.c -> lib/curl_gtls.c renamed: lib/hash.c -> lib/curl_hash.c renamed: lib/hmac.c -> lib/curl_hmac.c renamed: lib/hostasyn.c -> lib/curl_hostasyn.c renamed: lib/hostcheck.c -> lib/curl_hostcheck.c renamed: lib/hostip.c -> lib/curl_hostip.c renamed: lib/hostip4.c -> lib/curl_hostip4.c renamed: lib/hostip6.c -> lib/curl_hostip6.c renamed: lib/hostsyn.c -> lib/curl_hostsyn.c renamed: lib/http.c -> lib/curl_http.c renamed: lib/http_chunks.c -> lib/curl_http_chunks.c renamed: lib/http_digest.c -> lib/curl_http_digest.c renamed: lib/http_negotiate.c -> lib/curl_http_negotiate.c renamed: lib/http_negotiate_sspi.c -> lib/curl_http_negotiate_sspi.c renamed: lib/http_proxy.c -> lib/curl_http_proxy.c renamed: lib/idn_win32.c -> lib/curl_idn_win32.c renamed: lib/if2ip.c -> lib/curl_if2ip.c renamed: lib/imap.c -> lib/curl_imap.c renamed: lib/inet_ntop.c -> lib/curl_inet_ntop.c renamed: lib/inet_pton.c -> lib/curl_inet_pton.c renamed: lib/krb4.c -> lib/curl_krb4.c renamed: lib/krb5.c -> lib/curl_krb5.c renamed: lib/ldap.c -> lib/curl_ldap.c renamed: lib/llist.c -> lib/curl_llist.c renamed: lib/md4.c -> lib/curl_md4.c renamed: lib/md5.c -> lib/curl_md5.c renamed: lib/memdebug.c -> lib/curl_memdebug.c renamed: lib/mprintf.c -> lib/curl_mprintf.c renamed: lib/multi.c -> lib/curl_multi.c renamed: lib/netrc.c -> lib/curl_netrc.c renamed: lib/non-ascii.c -> lib/curl_non_ascii.c renamed: lib/curl_non-ascii.h -> lib/curl_non_ascii.h renamed: lib/nonblock.c -> lib/curl_nonblock.c renamed: lib/nss.c -> lib/curl_nss.c renamed: lib/nwlib.c -> lib/curl_nwlib.c renamed: lib/nwos.c -> lib/curl_nwos.c renamed: lib/openldap.c -> lib/curl_openldap.c renamed: lib/parsedate.c -> lib/curl_parsedate.c renamed: lib/pingpong.c -> lib/curl_pingpong.c renamed: lib/polarssl.c -> lib/curl_polarssl.c renamed: lib/pop3.c -> lib/curl_pop3.c renamed: lib/progress.c -> lib/curl_progress.c renamed: lib/qssl.c -> lib/curl_qssl.c renamed: lib/rawstr.c -> lib/curl_rawstr.c renamed: lib/rtsp.c -> lib/curl_rtsp.c renamed: lib/security.c -> lib/curl_security.c renamed: lib/select.c -> lib/curl_select.c renamed: lib/sendf.c -> lib/curl_sendf.c renamed: lib/share.c -> lib/curl_share.c renamed: lib/slist.c -> lib/curl_slist.c renamed: lib/smtp.c -> lib/curl_smtp.c renamed: lib/socks.c -> lib/curl_socks.c renamed: lib/socks_gssapi.c -> lib/curl_socks_gssapi.c renamed: lib/socks_sspi.c -> lib/curl_socks_sspi.c renamed: lib/speedcheck.c -> lib/curl_speedcheck.c renamed: lib/splay.c -> lib/curl_splay.c renamed: lib/ssh.c -> lib/curl_ssh.c renamed: lib/sslgen.c -> lib/curl_sslgen.c renamed: lib/ssluse.c -> lib/curl_ssluse.c renamed: lib/strdup.c -> lib/curl_strdup.c renamed: lib/strequal.c -> lib/curl_strequal.c renamed: lib/strerror.c -> lib/curl_strerror.c renamed: lib/strtok.c -> lib/curl_strtok.c renamed: lib/strtoofft.c -> lib/curl_strtoofft.c renamed: lib/telnet.c -> lib/curl_telnet.c renamed: lib/tftp.c -> lib/curl_tftp.c renamed: lib/timeval.c -> lib/curl_timeval.c renamed: lib/transfer.c -> lib/curl_transfer.c renamed: lib/url.c -> lib/curl_url.c renamed: lib/version.c -> lib/curl_version.c renamed: lib/warnless.c -> lib/curl_warnless.c renamed: lib/wildcard.c -> lib/curl_wildcard.c ----------------------------------------
Diffstat (limited to 'lib/curl_http_negotiate.c')
-rw-r--r--lib/curl_http_negotiate.c373
1 files changed, 373 insertions, 0 deletions
diff --git a/lib/curl_http_negotiate.c b/lib/curl_http_negotiate.c
new file mode 100644
index 000000000..446c49bb9
--- /dev/null
+++ b/lib/curl_http_negotiate.c
@@ -0,0 +1,373 @@
+/***************************************************************************
+ * _ _ ____ _
+ * 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 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 "curl_urldata.h"
+#include "curl_sendf.h"
+#include "curl_gssapi.h"
+#include "curl_rawstr.h"
+#include "curl_base64.h"
+#include "curl_http_negotiate.h"
+#include "curl_memory.h"
+#include "curl_url.h"
+
+#ifdef HAVE_SPNEGO
+# include <spnegohelp.h>
+# ifdef USE_SSLEAY
+# ifdef USE_OPENSSL
+# include <openssl/objects.h>
+# else
+# include <objects.h>
+# endif
+# else
+# error "Can't compile SPNEGO support without OpenSSL."
+# endif
+#endif
+
+#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, gss_name_t *server)
+{
+ struct negotiatedata *neg_ctx = proxy?&conn->data->state.proxyneg:
+ &conn->data->state.negotiate;
+ OM_uint32 major_status, minor_status;
+ gss_buffer_desc token = GSS_C_EMPTY_BUFFER;
+ char name[2048];
+ const char* service;
+
+ /* 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 */
+
+ if(neg_ctx->gss)
+ service = "KHTTP";
+ else
+ 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, minor_status2;
+ 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;
+ bool gss;
+ 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 == 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(neg_ctx->protocol);
+ 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;
+
+#ifdef HAVE_SPNEGO /* Handle SPNEGO */
+ if(checkprefix("Negotiate", header)) {
+ ASN1_OBJECT * object = 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;
+
+ spnegoToken = malloc(input_token.length);
+ if(spnegoToken == NULL)
+ return CURLE_OUT_OF_MEMORY;
+
+ spnegoTokenLength = input_token.length;
+
+ object = OBJ_txt2obj ("1.2.840.113554.1.2.2", 1);
+ if(!parseSpnegoTargetToken(spnegoToken,
+ spnegoTokenLength,
+ NULL,
+ NULL,
+ &mechToken,
+ &mechTokenLength,
+ NULL,
+ NULL)) {
+ free(spnegoToken);
+ spnegoToken = NULL;
+ infof(data, "Parse SPNEGO Target Token failed\n");
+ }
+ else {
+ free(input_token.value);
+ input_token.value = malloc(mechTokenLength);
+ if(input_token.value == NULL)
+ return CURLE_OUT_OF_MEMORY;
+
+ memcpy(input_token.value, mechToken,mechTokenLength);
+ input_token.length = mechTokenLength;
+ free(mechToken);
+ mechToken = NULL;
+ infof(data, "Parse SPNEGO Target Token succeeded\n");
+ }
+ }
+#endif
+ }
+
+ 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);
+ neg_ctx->status = major_status;
+ if(GSS_ERROR(major_status)) {
+ /* Curl_cleanup_negotiate(data) ??? */
+ log_gss_error(conn, minor_status,
+ "gss_init_sec_context() failed: ");
+ return -1;
+ }
+
+ if(output_token.length == 0) {
+ return -1;
+ }
+
+ neg_ctx->output_token = output_token;
+ /* conn->bits.close = FALSE; */
+
+ 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;
+
+#ifdef HAVE_SPNEGO /* Handle SPNEGO */
+ if(checkprefix("Negotiate", neg_ctx->protocol)) {
+ ASN1_OBJECT * object = NULL;
+ unsigned char * spnegoToken = NULL;
+ size_t spnegoTokenLength = 0;
+ unsigned char * responseToken = NULL;
+ size_t responseTokenLength = 0;
+
+ responseToken = malloc(neg_ctx->output_token.length);
+ if(responseToken == NULL)
+ return CURLE_OUT_OF_MEMORY;
+ memcpy(responseToken, neg_ctx->output_token.value,
+ 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;
+ infof(conn->data, "Make SPNEGO Initial Token failed\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;
+ infof(conn->data, "Make SPNEGO Initial Token succeeded\n");
+ }
+ }
+#endif
+ error = Curl_base64_encode(conn->data,
+ neg_ctx->output_token.value,
+ neg_ctx->output_token.length,
+ &encoded, &len);
+ if(error) {
+ Curl_safefree(neg_ctx->output_token.value);
+ neg_ctx->output_token.value = NULL;
+ return error;
+ }
+
+ if(len == 0) {
+ Curl_safefree(neg_ctx->output_token.value);
+ neg_ctx->output_token.value = NULL;
+ 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)
+{
+ 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.length != 0)
+ 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