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/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
* Portions of this software are based upon public domain software
* originally written at the National Center for Supercomputing Applications,
* University of Illinois, Urbana-Champaign.
*/
#define INCL_DOS
#define INCL_DOSERRORS
#include <os2.h>
#include "ap_config.h"
#include "httpd.h"
#include "http_log.h"
#include "os.h"
#include <sys/time.h>
#include <sys/signal.h>
#include <ctype.h>
#include <string.h>
API_EXPORT(char *)ap_os_case_canonical_filename(ap_pool_t *pPool, const char *szFile)
{
char buf[HUGE_STRING_LEN];
char buf2[HUGE_STRING_LEN];
int rc, len;
char *pos;
/* Remove trailing slash unless it's a root directory */
strcpy(buf, szFile);
len = strlen(buf);
if (len > 3 && buf[len-1] == '/')
buf[--len] = 0;
rc = DosQueryPathInfo(buf, FIL_QUERYFULLNAME, buf2, HUGE_STRING_LEN);
if (rc) {
if ( rc != ERROR_INVALID_NAME ) {
ap_log_error(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, 0, NULL, "OS/2 error %d for file %s", rc, szFile);
return ap_pstrdup(pPool, "");
} else {
return ap_pstrdup(pPool, szFile);
}
}
/* Switch backslashes to forward */
for (pos=buf2; *pos; pos++)
if (*pos == '\\')
*pos = '/';
return ap_pstrdup(pPool, buf2);
}
static void fix_component(char *path, char *lastcomp)
{
FILEFINDBUF3 fb3;
HDIR hDir = HDIR_CREATE;
ULONG numNames = 1;
ULONG rc = DosFindFirst( (UCHAR *)path, &hDir, FILE_NORMAL|FILE_DIRECTORY, &fb3, sizeof(fb3), &numNames, FIL_STANDARD );
if (rc == 0)
strcpy(lastcomp, fb3.achName);
DosFindClose(hDir);
}
char *ap_os_systemcase_canonical_filename(ap_pool_t *pPool, const char *szFile)
{
char *szCanonicalFile = ap_os_case_canonical_filename(pPool, szFile);
int startslash = 2, slashnum=0;
char *pos, *prevslash = NULL;
if (szCanonicalFile[0] == '/' && szCanonicalFile[1] == '/') /* a UNC name */
startslash = 5;
for (pos = szCanonicalFile; *pos; pos++) {
if (*pos == '/') {
slashnum++;
if (slashnum >= startslash) {
*pos = 0;
fix_component(szCanonicalFile, prevslash+1);
*pos = '/';
}
prevslash = pos;
}
}
if (slashnum >= startslash) {
fix_component(szCanonicalFile, prevslash+1);
}
return szCanonicalFile;
}
char *ap_os_canonical_filename(ap_pool_t *pPool, const char *szFile)
{
char *szCanonicalFile = ap_os_systemcase_canonical_filename(pPool, szFile);
strlwr(szCanonicalFile);
return szCanonicalFile;
}
int ap_os_kill(pid_t pid, int sig)
{
/* SIGTERM's don't work too well in OS/2 (only affects other EMX programs).
CGIs may not be, esp. REXX scripts, so use a native call instead */
int rc;
if ( sig == SIGTERM ) {
rc = DosSendSignalException( pid, XCPT_SIGNAL_BREAK );
if ( rc ) {
errno = ESRCH;
rc = -1;
}
} else {
rc = kill(pid, sig);
}
return rc;
}
char *ap_os_error_message(int err)
{
static char result[200];
unsigned char message[HUGE_STRING_LEN];
ULONG len;
char *pos;
int c;
if (DosGetMessage(NULL, 0, message, HUGE_STRING_LEN, err, "OSO001.MSG", &len) == 0) {
len--;
message[len] = 0;
pos = result;
if (len >= sizeof(result))
len = sizeof(result-1);
for (c=0; c<len; c++) {
while (isspace(message[c]) && isspace(message[c+1])) /* skip multiple whitespace */
c++;
*(pos++) = isspace(message[c]) ? ' ' : message[c];
}
*pos = 0;
} else {
sprintf(result, "OS/2 error %d", err);
}
return result;
}
static int (*os2_select)( int *, int, int, int, long ) = NULL;
static HMODULE hSO32DLL;
int ap_select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout)
{
int *fds, s, fd_count=0, rc;
int num_read, num_write, num_except;
long ms_timeout = -1;
if (os2_select == NULL) {
DosEnterCritSec(); /* Stop two threads doing this at the same time */
if (os2_select == NULL) {
hSO32DLL = ap_os_dso_load("SO32DLL");
if (hSO32DLL) {
os2_select = ap_os_dso_sym(hSO32DLL, "SELECT");
}
}
DosExitCritSec();
}
ap_assert(os2_select != NULL);
fds = alloca(sizeof(int) * nfds);
if (readfds) {
for (s=0; s<nfds; s++)
if (FD_ISSET(s, readfds))
fds[fd_count++] = _getsockhandle(s);
}
num_read = fd_count;
if (writefds) {
for (s=0; s<nfds; s++)
if (FD_ISSET(s, writefds))
fds[fd_count++] = _getsockhandle(s);
}
num_write = fd_count - num_read;
if (exceptfds) {
for (s=0; s<nfds; s++)
if (FD_ISSET(s, exceptfds))
fds[fd_count++] = _getsockhandle(s);
}
num_except = fd_count - num_read - num_write;
if (timeout)
ms_timeout = timeout->tv_usec / 1000 + timeout->tv_sec * 1000;
rc = os2_select(fds, num_read, num_write, num_except, ms_timeout);
if (rc > 0) {
fd_count = 0;
if (readfds) {
for (s=0; s<nfds; s++) {
if (FD_ISSET(s, readfds)) {
if (fds[fd_count++] < 0)
FD_CLR(s, readfds);
}
}
}
if (writefds) {
for (s=0; s<nfds; s++) {
if (FD_ISSET(s, writefds)) {
if (fds[fd_count++] < 0)
FD_CLR(s, writefds);
}
}
}
if (exceptfds) {
for (s=0; s<nfds; s++) {
if (FD_ISSET(s, exceptfds)) {
if (fds[fd_count++] < 0)
FD_CLR(s, exceptfds);
}
}
}
}
return rc;
}