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/* Copyright 2001-2004 The Apache Software Foundation
*
* 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 "mod_nss.h"
#include "ap_mpm.h"
#include "apr_thread_mutex.h"
/* _________________________________________________________________
**
** Utility Functions
** _________________________________________________________________
*/
char *nss_util_vhostid(apr_pool_t *p, server_rec *s)
{
char *id;
SSLSrvConfigRec *sc;
char *host;
apr_port_t port;
host = s->server_hostname;
if (s->port != 0)
port = s->port;
else {
sc = mySrvConfig(s);
if (sc->enabled == TRUE)
port = DEFAULT_HTTPS_PORT;
else
port = DEFAULT_HTTP_PORT;
}
id = apr_psprintf(p, "%s:%lu", host, (unsigned long)port);
return id;
}
apr_file_t *nss_util_ppopen(server_rec *s, apr_pool_t *p, const char *cmd,
const char * const *argv)
{
apr_procattr_t *procattr;
apr_proc_t *proc;
if (apr_procattr_create(&procattr, p) != APR_SUCCESS)
return NULL;
if (apr_procattr_io_set(procattr, APR_FULL_BLOCK, APR_FULL_BLOCK,
APR_FULL_BLOCK) != APR_SUCCESS)
return NULL;
if (apr_procattr_dir_set(procattr,
ap_make_dirstr_parent(p, cmd)) != APR_SUCCESS)
return NULL;
if (apr_procattr_cmdtype_set(procattr, APR_PROGRAM) != APR_SUCCESS)
return NULL;
if ((proc = (apr_proc_t *)apr_pcalloc(p, sizeof(apr_proc_t))) == NULL)
return NULL;
if (apr_proc_create(proc, cmd, argv, NULL, procattr, p) != APR_SUCCESS)
return NULL;
return proc->out;
}
void nss_util_ppclose(server_rec *s, apr_pool_t *p, apr_file_t *fp)
{
apr_file_close(fp);
return;
}
/*
* Run a filter program and read the first line of its stdout output
*/
char *nss_util_readfilter(server_rec *s, apr_pool_t *p, const char *cmd,
const char * const *argv)
{
static char buf[MAX_STRING_LEN];
apr_file_t *fp;
apr_size_t nbytes = 1;
char c;
int k;
if ((fp = nss_util_ppopen(s, p, cmd, argv)) == NULL)
return NULL;
/* XXX: we are reading 1 byte at a time here */
for (k = 0; apr_file_read(fp, &c, &nbytes) == APR_SUCCESS
&& nbytes == 1 && (k < MAX_STRING_LEN-1) ; ) {
if (c == '\n' || c == '\r')
break;
buf[k++] = c;
}
buf[k] = NUL;
nss_util_ppclose(s, p, fp);
return buf;
}
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