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Java example source code file (NativeFunc.c)
The NativeFunc.c Java example source code/* * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ #include <stdio.h> #include <stdlib.h> #include <dlfcn.h> #include "NativeFunc.h" /* standard GSS method names (ordering is from mapfile) */ static const char RELEASE_NAME[] = "gss_release_name"; static const char IMPORT_NAME[] = "gss_import_name"; static const char COMPARE_NAME[] = "gss_compare_name"; static const char CANONICALIZE_NAME[] = "gss_canonicalize_name"; static const char EXPORT_NAME[] = "gss_export_name"; static const char DISPLAY_NAME[] = "gss_display_name"; static const char ACQUIRE_CRED[] = "gss_acquire_cred"; static const char RELEASE_CRED[] = "gss_release_cred"; static const char INQUIRE_CRED[] = "gss_inquire_cred"; static const char IMPORT_SEC_CONTEXT[] = "gss_import_sec_context"; static const char INIT_SEC_CONTEXT[] = "gss_init_sec_context"; static const char ACCEPT_SEC_CONTEXT[] = "gss_accept_sec_context"; static const char INQUIRE_CONTEXT[] = "gss_inquire_context"; static const char DELETE_SEC_CONTEXT[] = "gss_delete_sec_context"; static const char CONTEXT_TIME[] = "gss_context_time"; static const char WRAP_SIZE_LIMIT[] = "gss_wrap_size_limit"; static const char EXPORT_SEC_CONTEXT[] = "gss_export_sec_context"; static const char GET_MIC[] = "gss_get_mic"; static const char VERIFY_MIC[] = "gss_verify_mic"; static const char WRAP[] = "gss_wrap"; static const char UNWRAP[] = "gss_unwrap"; static const char INDICATE_MECHS[] = "gss_indicate_mechs"; static const char INQUIRE_NAMES_FOR_MECH[] = "gss_inquire_names_for_mech"; /* additional GSS methods not public thru mapfile */ static const char ADD_OID_SET_MEMBER[] = "gss_add_oid_set_member"; static const char DISPLAY_STATUS[] = "gss_display_status"; static const char CREATE_EMPTY_OID_SET[] = "gss_create_empty_oid_set"; static const char RELEASE_OID_SET[] = "gss_release_oid_set"; static const char RELEASE_BUFFER[] = "gss_release_buffer"; /** * Initialize native GSS function pointers */ char* loadNative(const char *libName) { char *error; void *gssLib; int failed; OM_uint32 minor, major; ftab = NULL; failed = FALSE; error = NULL; gssLib = dlopen(libName, RTLD_NOW); if (gssLib == NULL) { failed = TRUE; goto out; } /* global function table instance */ ftab = (GSS_FUNCTION_TABLE_PTR)malloc(sizeof(GSS_FUNCTION_TABLE)); if (ftab == NULL) { failed = TRUE; goto out; } ftab->releaseName = (RELEASE_NAME_FN_PTR)dlsym(gssLib, RELEASE_NAME); if (ftab->releaseName == NULL) { failed = TRUE; goto out; } ftab->importName = (IMPORT_NAME_FN_PTR)dlsym(gssLib, IMPORT_NAME); if (ftab->importName == NULL) { failed = TRUE; goto out; } ftab->compareName = (COMPARE_NAME_FN_PTR)dlsym(gssLib, COMPARE_NAME); if (ftab->compareName == NULL) { failed = TRUE; goto out; } ftab->canonicalizeName = (CANONICALIZE_NAME_FN_PTR) dlsym(gssLib, CANONICALIZE_NAME); if (ftab->canonicalizeName == NULL) { failed = TRUE; goto out; } ftab->exportName = (EXPORT_NAME_FN_PTR)dlsym(gssLib, EXPORT_NAME); if (ftab->exportName == NULL) { failed = TRUE; goto out; } ftab->displayName = (DISPLAY_NAME_FN_PTR)dlsym(gssLib, DISPLAY_NAME); if (ftab->displayName == NULL) { failed = TRUE; goto out; } ftab->acquireCred = (ACQUIRE_CRED_FN_PTR)dlsym(gssLib, ACQUIRE_CRED); if (ftab->acquireCred == NULL) { failed = TRUE; goto out; } ftab->releaseCred = (RELEASE_CRED_FN_PTR)dlsym(gssLib, RELEASE_CRED); if (ftab->releaseCred == NULL) { failed = TRUE; goto out; } ftab->inquireCred = (INQUIRE_CRED_FN_PTR)dlsym(gssLib, INQUIRE_CRED); if (ftab->inquireCred == NULL) { failed = TRUE; goto out; } ftab->importSecContext = (IMPORT_SEC_CONTEXT_FN_PTR) dlsym(gssLib, IMPORT_SEC_CONTEXT); if (ftab->importSecContext == NULL) { failed = TRUE; goto out; } ftab->initSecContext = (INIT_SEC_CONTEXT_FN_PTR) dlsym(gssLib, INIT_SEC_CONTEXT); if (ftab->initSecContext == NULL) { failed = TRUE; goto out; } ftab->acceptSecContext = (ACCEPT_SEC_CONTEXT_FN_PTR) dlsym(gssLib, ACCEPT_SEC_CONTEXT); if (ftab->acceptSecContext == NULL) { failed = TRUE; goto out; } ftab->inquireContext = (INQUIRE_CONTEXT_FN_PTR) dlsym(gssLib, INQUIRE_CONTEXT); if (ftab->inquireContext == NULL) { failed = TRUE; goto out; } ftab->deleteSecContext = (DELETE_SEC_CONTEXT_FN_PTR) dlsym(gssLib, DELETE_SEC_CONTEXT); if (ftab->deleteSecContext == NULL) { failed = TRUE; goto out; } ftab->contextTime = (CONTEXT_TIME_FN_PTR)dlsym(gssLib, CONTEXT_TIME); if (ftab->contextTime == NULL) { failed = TRUE; goto out; } ftab->wrapSizeLimit = (WRAP_SIZE_LIMIT_FN_PTR) dlsym(gssLib, WRAP_SIZE_LIMIT); if (ftab->wrapSizeLimit == NULL) { failed = TRUE; goto out; } ftab->exportSecContext = (EXPORT_SEC_CONTEXT_FN_PTR) dlsym(gssLib, EXPORT_SEC_CONTEXT); if (ftab->exportSecContext == NULL) { failed = TRUE; goto out; } ftab->getMic = (GET_MIC_FN_PTR)dlsym(gssLib, GET_MIC); if (ftab->getMic == NULL) { failed = TRUE; goto out; } ftab->verifyMic = (VERIFY_MIC_FN_PTR)dlsym(gssLib, VERIFY_MIC); if (ftab->verifyMic == NULL) { failed = TRUE; goto out; } ftab->wrap = (WRAP_FN_PTR)dlsym(gssLib, WRAP); if (ftab->wrap == NULL) { failed = TRUE; goto out; } ftab->unwrap = (UNWRAP_FN_PTR)dlsym(gssLib, UNWRAP); if (ftab->unwrap == NULL) { failed = TRUE; goto out; } ftab->indicateMechs = (INDICATE_MECHS_FN_PTR)dlsym(gssLib, INDICATE_MECHS); if (ftab->indicateMechs == NULL) { failed = TRUE; goto out; } ftab->inquireNamesForMech = (INQUIRE_NAMES_FOR_MECH_FN_PTR) dlsym(gssLib, INQUIRE_NAMES_FOR_MECH); if (ftab->inquireNamesForMech == NULL) { failed = TRUE; goto out; } ftab->addOidSetMember = (ADD_OID_SET_MEMBER_FN_PTR) dlsym(gssLib, ADD_OID_SET_MEMBER); if (ftab->addOidSetMember == NULL) { failed = TRUE; goto out; } ftab->displayStatus = (DISPLAY_STATUS_FN_PTR) dlsym(gssLib, DISPLAY_STATUS); if (ftab->displayStatus == NULL) { failed = TRUE; goto out; } ftab->createEmptyOidSet = (CREATE_EMPTY_OID_SET_FN_PTR) dlsym(gssLib, CREATE_EMPTY_OID_SET); if (ftab->createEmptyOidSet == NULL) { failed = TRUE; goto out; } ftab->releaseOidSet = (RELEASE_OID_SET_FN_PTR) dlsym(gssLib, RELEASE_OID_SET); if (ftab->releaseOidSet == NULL) { failed = TRUE; goto out; } ftab->releaseBuffer = (RELEASE_BUFFER_FN_PTR) dlsym(gssLib, RELEASE_BUFFER); if (ftab->releaseBuffer == NULL) { failed = TRUE; goto out; } ftab->mechs = GSS_C_NO_OID_SET; major = (*ftab->indicateMechs)(&minor, &(ftab->mechs)); if (ftab->mechs == NULL || ftab->mechs == GSS_C_NO_OID_SET) { failed = TRUE; goto out; } out: if (failed == TRUE) { error = dlerror(); if (gssLib != NULL) dlclose(gssLib); if (ftab != NULL) free(ftab); } return error; } Other Java examples (source code examples)Here is a short list of links related to this Java NativeFunc.c source code file: |
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