| /* Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "apr_arch_dso.h" |
| #include "apr_strings.h" |
| #include "apr_portable.h" |
| |
| #include <library.h> |
| #include <unistd.h> |
| |
| APR_DECLARE(apr_status_t) apr_os_dso_handle_put(apr_dso_handle_t **aprdso, |
| apr_os_dso_handle_t osdso, |
| apr_pool_t *pool) |
| { |
| *aprdso = apr_pcalloc(pool, sizeof **aprdso); |
| (*aprdso)->handle = osdso; |
| (*aprdso)->pool = pool; |
| return APR_SUCCESS; |
| } |
| |
| APR_DECLARE(apr_status_t) apr_os_dso_handle_get(apr_os_dso_handle_t *osdso, |
| apr_dso_handle_t *aprdso) |
| { |
| *osdso = aprdso->handle; |
| return APR_SUCCESS; |
| } |
| |
| static apr_status_t dso_cleanup(void *thedso) |
| { |
| apr_dso_handle_t *dso = thedso; |
| sym_list *symbol = NULL; |
| void *NLMHandle = getnlmhandle(); |
| |
| if (dso->handle == NULL) |
| return APR_SUCCESS; |
| |
| if (dso->symbols != NULL) { |
| symbol = dso->symbols; |
| while (symbol) { |
| UnImportPublicObject(NLMHandle, symbol->symbol); |
| symbol = symbol->next; |
| } |
| } |
| |
| if (dlclose(dso->handle) != 0) |
| return APR_EINIT; |
| |
| dso->handle = NULL; |
| dso->symbols = NULL; |
| dso->path = NULL; |
| |
| return APR_SUCCESS; |
| } |
| |
| APR_DECLARE(apr_status_t) apr_dso_load(apr_dso_handle_t **res_handle, |
| const char *path, apr_pool_t *pool) |
| { |
| |
| void *os_handle = NULL; |
| char *fullpath = NULL; |
| apr_status_t rv; |
| |
| if ((rv = apr_filepath_merge(&fullpath, NULL, path, |
| APR_FILEPATH_NATIVE, pool)) != APR_SUCCESS) { |
| return rv; |
| } |
| |
| os_handle = dlopen(fullpath, RTLD_NOW | RTLD_LOCAL); |
| |
| *res_handle = apr_pcalloc(pool, sizeof(**res_handle)); |
| |
| if(os_handle == NULL) { |
| (*res_handle)->errormsg = dlerror(); |
| return APR_EDSOOPEN; |
| } |
| |
| (*res_handle)->handle = (void*)os_handle; |
| (*res_handle)->pool = pool; |
| (*res_handle)->errormsg = NULL; |
| (*res_handle)->symbols = NULL; |
| (*res_handle)->path = apr_pstrdup(pool, fullpath); |
| |
| apr_pool_cleanup_register(pool, *res_handle, dso_cleanup, apr_pool_cleanup_null); |
| |
| return APR_SUCCESS; |
| } |
| |
| APR_DECLARE(apr_status_t) apr_dso_unload(apr_dso_handle_t *handle) |
| { |
| return apr_pool_cleanup_run(handle->pool, handle, dso_cleanup); |
| } |
| |
| APR_DECLARE(apr_status_t) apr_dso_sym(apr_dso_handle_sym_t *ressym, |
| apr_dso_handle_t *handle, |
| const char *symname) |
| { |
| sym_list *symbol = NULL; |
| void *retval = dlsym(handle->handle, symname); |
| |
| if (retval == NULL) { |
| handle->errormsg = dlerror(); |
| return APR_ESYMNOTFOUND; |
| } |
| |
| symbol = apr_pcalloc(handle->pool, sizeof(sym_list)); |
| symbol->next = handle->symbols; |
| handle->symbols = symbol; |
| symbol->symbol = apr_pstrdup(handle->pool, symname); |
| |
| *ressym = retval; |
| |
| return APR_SUCCESS; |
| } |
| |
| APR_DECLARE(const char *) apr_dso_error(apr_dso_handle_t *dso, char *buffer, |
| apr_size_t buflen) |
| { |
| if (dso->errormsg) { |
| apr_cpystrn(buffer, dso->errormsg, buflen); |
| return dso->errormsg; |
| } |
| return "No Error"; |
| } |
| |