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/* Copyright 2000-2005 The Apache Software Foundation or its licensors, as
* applicable.
*
* Licensed 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";
}
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