/*###################################################################################
#
# Embperl - Copyright (c) 1997-2008 Gerald Richter / ecos gmbh www.ecos.de
# Embperl - Copyright (c) 2008-2014 Gerald Richter
#
# You may distribute under the terms of either the GNU General Public
# License or the Artistic License, as specified in the Perl README file.
# For use with Apache httpd and mod_perl, see also Apache copyright.
#
# THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
# WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
#
# $Id: epio.c 1578075 2014-03-16 14:01:14Z richter $
#
###################################################################################*/
#include "ep.h"
#include "epmacro.h"
#include "crypto/epcrypto.h"
#ifndef PerlIO
#define FILEIOTYPE "StdIO"
/* define same helper macros to let it run with plain perl 5.003 */
/* where no PerlIO is present */
#define PerlIO_stdinF stdin
#define PerlIO_stdoutF stdout
#define PerlIO_stderrF stderr
#define PerlIO_close fclose
#define PerlIO_open fopen
#define PerlIO_flush fflush
#define PerlIO_vprintf vfprintf
#define PerlIO_fileno fileno
#define PerlIO_tell ftell
#define PerlIO_seek fseek
#define PerlIO_read(f,buf,cnt) fread(buf,1,cnt,f)
#define PerlIO_write(f,buf,cnt) fwrite(buf,1,cnt,f)
#define PerlIO_putc(f,c) fputc(c,f)
#else
#define FILEIOTYPE "PerlIO"
#define PerlIO_stdinF PerlIO_stdin ()
#define PerlIO_stdoutF PerlIO_stdout ()
#define PerlIO_stderrF PerlIO_stderr ()
#endif
/* Some helper macros for tied handles, taken from mod_perl 2.0 :-) */
/*
* bleedperl change #11639 switch tied handle magic
* from living in the gv to the GvIOp(gv), so we have to deal
* with both to support 5.6.x
*/
#if ((PERL_REVISION == 5) && (PERL_VERSION >= 7))
# define TIEHANDLE_SV(handle) (SV*)GvIOp((SV*)handle)
#else
# define TIEHANDLE_SV(handle) (SV*)handle
#endif
#define HANDLE_GV(name) gv_fetchpv(name, TRUE, SVt_PVIO)
//#define HANDLE_GV(name) gv_fetchpv(name, GV_ADD, SVt_PVIO)
#ifdef APACHE
#define DefaultLog "/tmp/embperl.log"
static request_rec * pAllocReq = NULL ;
#endif
/* -------------------------------------------------------------------------------------
*
* begin output transaction
*
-------------------------------------------------------------------------------------- */
struct tBuf * oBegin (/*i/o*/ register req * r)
{
EPENTRY1N (oBegin, r -> Component.pOutput -> nMarker) ;
r -> Component.pOutput -> nMarker++ ;
return r -> Component.pOutput -> pLastBuf ;
}
/* -------------------------------------------------------------------------------------
*
* rollback output transaction (throw away all the output since corresponding begin)
*
-------------------------------------------------------------------------------------- */
void oRollbackOutput (/*i/o*/ register req * r,
struct tBuf * pBuf)
{
EPENTRY1N (oRollback, r -> Component.pOutput -> nMarker) ;
if (pBuf == NULL)
{
if (r -> Component.pOutput -> pLastFreeBuf)
r -> Component.pOutput -> pLastFreeBuf -> pNext = r -> Component.pOutput -> pFirstBuf ;
else
r -> Component.pOutput -> pFreeBuf = r -> Component.pOutput -> pFirstBuf ;
r -> Component.pOutput -> pLastFreeBuf = r -> Component.pOutput -> pLastBuf ;
r -> Component.pOutput -> pFirstBuf = NULL ;
r -> Component.pOutput -> nMarker = 0 ;
}
else
{
if (r -> Component.pOutput -> pLastBuf == pBuf || pBuf -> pNext == NULL)
r -> Component.pOutput -> nMarker-- ;
else
{
r -> Component.pOutput -> nMarker = pBuf -> pNext -> nMarker - 1 ;
if (r -> Component.pOutput -> pLastFreeBuf)
r -> Component.pOutput -> pLastFreeBuf -> pNext = pBuf -> pNext ;
else
r -> Component.pOutput -> pFreeBuf = pBuf -> pNext ;
r -> Component.pOutput -> pLastFreeBuf = r -> Component.pOutput -> pLastBuf ;
}
pBuf -> pNext = NULL ;
}
r -> Component.pOutput -> pLastBuf = pBuf ;
}
/* -------------------------------------------------------------------------------------
*
* rollback output transaction and errors(throw away all the output since corresponding
* begin)
*
-------------------------------------------------------------------------------------- */
void oRollback (/*i/o*/ register req * r,
struct tBuf * pBuf)
{
oRollbackOutput (r, pBuf) ;
/* RollbackError (r) ; */
}
/* ---------------------------------------------------------------------------- */
/* */
/* commit output transaction (all the output since corresponding begin is vaild)*/
/* */
/* ---------------------------------------------------------------------------- */
void oCommitToMem (/*i/o*/ register req * r,
struct tBuf * pBuf,
char * pOut)
{
EPENTRY1N (oCommit, r -> Component.pOutput -> nMarker) ;
if (pBuf == NULL)
r -> Component.pOutput -> nMarker = 0 ;
else
if (r -> Component.pOutput -> pLastBuf == pBuf)
r -> Component.pOutput -> nMarker-- ;
else
r -> Component.pOutput -> nMarker = pBuf -> pNext -> nMarker - 1 ;
if (r -> Component.pOutput -> nMarker == 0)
{
if (pBuf == NULL)
pBuf = r -> Component.pOutput -> pFirstBuf ;
else
pBuf = pBuf -> pNext ;
if (pOut)
{
while (pBuf)
{
memmove (pOut, pBuf + 1, pBuf -> nSize) ;
pOut += pBuf -> nSize ;
pBuf = pBuf -> pNext ;
}
*pOut = '\0' ;
}
else
{
while (pBuf)
{
owrite (r, pBuf + 1, pBuf -> nSize) ;
pBuf = pBuf -> pNext ;
}
}
}
/* CommitError (r) ; */
}
/* ---------------------------------------------------------------------------- */
/* */
/* commit output transaction (all the output since corresponding begin is vaild)*/
/* */
/* ---------------------------------------------------------------------------- */
void oCommit (/*i/o*/ register req * r,
struct tBuf * pBuf)
{
EPENTRY1N (oCommit, r -> Component.pOutput -> nMarker) ;
oCommitToMem (r, pBuf, NULL) ;
}
/* ---------------------------------------------------------------------------- */
/* */
/* write to a buffer */
/* */
/* we will alloc a new buffer for every write */
/* this is fast with ep_palloc */
/* */
/* ---------------------------------------------------------------------------- */
static int bufwrite (/*i/o*/ register req * r,
/*in*/ const void * ptr, size_t size)
{
struct tBuf * pBuf ;
EPENTRY1N (bufwrite, r -> Component.pOutput -> nMarker) ;
pBuf = (struct tBuf *)ep_palloc (r -> Component.pOutput -> pPool, size + sizeof (struct tBuf)) ;
if (pBuf == NULL)
return 0 ;
memcpy (pBuf + 1, ptr, size) ;
pBuf -> pNext = NULL ;
pBuf -> nSize = size ;
pBuf -> nMarker = r -> Component.pOutput -> nMarker ;
if (r -> Component.pOutput -> pLastBuf)
{
r -> Component.pOutput -> pLastBuf -> pNext = pBuf ;
pBuf -> nCount = r -> Component.pOutput -> pLastBuf -> nCount + size ;
}
else
pBuf -> nCount = size ;
if (r -> Component.pOutput -> pFirstBuf == NULL)
r -> Component.pOutput -> pFirstBuf = pBuf ;
r -> Component.pOutput -> pLastBuf = pBuf ;
return size ;
}
#if 0
/* ---------------------------------------------------------------------------- */
/* */
/* free buffers */
/* */
/* free all buffers */
/* note: this is not nessecary for apache palloc, because all buffers are freed */
/* at the end of the request */
/* */
/* ---------------------------------------------------------------------------- */
static void buffree (/*i/o*/ register req * r)
{
struct tBuf * pNext = NULL ;
struct tBuf * pBuf ;
#ifdef APACHE
if ((r -> Component.Config.bDebug & dbgMem) == 0 && pAllocReq != NULL)
{
r -> Component.pOutput -> pFirstBuf = NULL ;
r -> Component.pOutput -> pLastBuf = NULL ;
r -> Component.pOutput -> pFreeBuf = NULL ;
r -> Component.pOutput -> pLastFreeBuf = NULL ;
return ; /* no need for apache to free memory */
}
#endif
/* first walk thru the used buffers */
pBuf = r -> Component.pOutput -> pFirstBuf ;
while (pBuf)
{
pNext = pBuf -> pNext ;
_free (r, pBuf) ;
pBuf = pNext ;
}
r -> Component.pOutput -> pFirstBuf = NULL ;
r -> Component.pOutput -> pLastBuf = NULL ;
/* now walk thru the unused buffers */
pBuf = r -> Component.pOutput -> pFreeBuf ;
while (pBuf)
{
pNext = pBuf -> pNext ;
_free (r, pBuf) ;
pBuf = pNext ;
}
r -> Component.pOutput -> pFreeBuf = NULL ;
r -> Component.pOutput -> pLastFreeBuf = NULL ;
}
#endif
/* ---------------------------------------------------------------------------- */
/* */
/* get the length outputed to buffers so far */
/* */
/* ---------------------------------------------------------------------------- */
int GetContentLength (/*i/o*/ register req * r)
{
if (r -> Component.pOutput -> pLastBuf)
return r -> Component.pOutput -> pLastBuf -> nCount ;
else
return 0 ;
}
/* ---------------------------------------------------------------------------- */
/* */
/* set the name of the input file and open it */
/* */
/* ---------------------------------------------------------------------------- */
int OpenInput (/*i/o*/ register req * r,
/*in*/ const char * sFilename)
{
MAGIC *mg;
GV *handle ;
epTHX ;
#ifdef APACHE
if (r -> pApacheReq)
return ok ;
#endif
handle = HANDLE_GV("STDIN") ;
if (handle)
{
SV *iohandle = TIEHANDLE_SV(handle) ;
if (iohandle && SvMAGICAL(iohandle) && (mg = mg_find((SV*)iohandle, 'q')) && mg->mg_obj)
{
r -> Component.ifdobj = mg->mg_obj ;
if (r -> Component.Config.bDebug)
{
char *package = HvNAME(SvSTASH((SV*)SvRV(mg->mg_obj)));
lprintf (r -> pApp, "[%d]Open TIED STDIN %s...\n", r -> pThread -> nPid, package) ;
}
return ok ;
}
}
if (r -> Component.ifd && r -> Component.ifd != PerlIO_stdinF)
PerlIO_close (r -> Component.ifd) ;
r -> Component.ifd = NULL ;
if (sFilename == NULL || *sFilename == '\0')
{
/*
GV * io = gv_fetchpv("STDIN", TRUE, SVt_PVIO) ;
if (io == NULL || (r -> Component.ifd = IoIFP(io)) == NULL)
{
if (r -> Component.Config.bDebug)
lprintf (r -> pApp, "[%d]Cannot get Perl STDIN, open os stdin\n", r -> pThread -> nPid) ;
r -> Component.ifd = PerlIO_stdinF ;
}
*/
r -> Component.ifd = PerlIO_stdinF ;
return ok ;
}
if ((r -> Component.ifd = PerlIO_open (sFilename, "r")) == NULL)
{
strncpy (r -> errdat1, sFilename, sizeof (r -> errdat1) - 1) ;
strncpy (r -> errdat2, Strerror(errno), sizeof (r -> errdat2) - 1) ;
return rcFileOpenErr ;
}
return ok ;
}
/* ---------------------------------------------------------------------------- */
/* */
/* close input file */
/* */
/* ---------------------------------------------------------------------------- */
int CloseInput (/*i/o*/ register req * r)
{
epTHX ;
#if 0
if (0) /* r -> Component.ifdobj) */
{
dSP;
ENTER;
SAVETMPS;
PUSHMARK(sp);
XPUSHs(r -> Component.ifdobj);
PUTBACK;
perl_call_method ("CLOSE", G_VOID | G_EVAL) ;
SPAGAIN ;
FREETMPS;
LEAVE;
r -> Component.ifdobj = NULL ;
}
#endif
#ifdef APACHE
if (r -> pApacheReq)
return ok ;
#endif
if (r -> Component.ifd && r -> Component.ifd != PerlIO_stdinF)
PerlIO_close (r -> Component.ifd) ;
r -> Component.ifd = NULL ;
return ok ;
}
/* ---------------------------------------------------------------------------- */
/* */
/* read block of data from input (web client) */
/* */
/* ---------------------------------------------------------------------------- */
int iread (/*i/o*/ register req * r,
/*in*/ void * ptr, size_t size)
{
char * p = (char *)ptr ; /* workaround for aix c complier */
epTHX ;
if (size == 0)
return 0 ;
if (r -> Component.ifdobj)
{
int num ;
int n ;
SV * pBufSV ;
dSP;
ENTER;
SAVETMPS;
PUSHMARK(sp);
XPUSHs(r -> Component.ifdobj);
XPUSHs(sv_2mortal(pBufSV = NEWSV(0, 0)));
XPUSHs(sv_2mortal(newSViv (size)));
PUTBACK;
num = perl_call_method ("READ", G_SCALAR) ;
SPAGAIN;
n = 0 ;
if (num > 0)
{
STRLEN n = POPu ;
char * p ;
STRLEN l ;
if (n >= 0)
{
p = SvPV (pBufSV, l) ;
if (l > size)
l = size ;
if (l > n)
l = n ;
memcpy (ptr, p, l) ;
}
}
PUTBACK;
FREETMPS;
LEAVE;
return n ;
}
#if defined (APACHE)
if (r -> pApacheReq)
{
ap_setup_client_block(r -> pApacheReq, REQUEST_CHUNKED_ERROR);
if(ap_should_client_block(r -> pApacheReq))
{
int c ;
int n = 0 ;
while (1)
{
c = ap_get_client_block(r -> pApacheReq, p, size);
if (c < 0 || c == 0)
return n ;
n += c ;
p += c ;
size -= c ;
}
}
else
return 0 ;
}
#endif
return PerlIO_read (r -> Component.ifd, p, size) ;
}
/* ---------------------------------------------------------------------------- */
/* */
/* read line of data from input (web client) */
/* */
/* ---------------------------------------------------------------------------- */
char * igets (/*i/o*/ register req * r,
/*in*/ char * s, int size)
{
#if defined (APACHE)
if (r -> pApacheReq)
return NULL ;
#endif
#ifdef PerlIO
{
/*
FILE * f = PerlIO_exportFILE (r -> Component.ifd, 0) ;
char * p = fgets (s, size, f) ;
PerlIO_releaseFILE (r -> Component.ifd, f) ;
return p ;
*/
return NULL ;
}
#else
return fgets (s, size, r -> Component.ifd) ;
#endif
}
/* ---------------------------------------------------------------------------- */
/* */
/* read HTML File into pBuf */
/* */
/* ---------------------------------------------------------------------------- */
int ReadHTML (/*i/o*/ register req * r,
/*in*/ char * sInputfile,
/*in*/ size_t * nFileSize,
/*out*/ SV * * ppBuf)
{
SV * pBufSV ;
char * pData ;
#ifdef PerlIO
PerlIO * ifd ;
#else
FILE * ifd ;
#endif
epTHX ;
if (r -> Component.Config.bDebug)
lprintf (r -> pApp, "[%d]Reading %s as input using %s (%d Bytes)...\n", r -> pThread -> nPid, sInputfile, FILEIOTYPE, *nFileSize) ;
#ifdef WIN32
if ((ifd = PerlIO_open (sInputfile, "rb")) == NULL)
#else
if ((ifd = PerlIO_open (sInputfile, "r")) == NULL)
#endif
{
strncpy (r -> errdat1, sInputfile, sizeof (r -> errdat1) - 1) ;
strncpy (r -> errdat2, Strerror(errno), sizeof (r -> errdat2) - 1) ;
if (errno == EACCES)
return rcForbidden ;
else if (errno == ENOENT)
return rcNotFound ;
return rcFileOpenErr ;
}
if ((long)*nFileSize < 0)
return rcFileOpenErr ;
pBufSV = sv_2mortal (newSV(*nFileSize + 1)) ;
pData = SvPVX(pBufSV) ;
#if EPC_ENABLE
if (*nFileSize)
{
int rc ;
char * syntax ;
int fileno = PerlIO_fileno (ifd) ;
FILE * ifile = fdopen(fileno, "r") ;
if (!ifile)
{
strncpy (r -> errdat1, sInputfile, sizeof (r -> errdat1) - 1) ;
strncpy (r -> errdat2, Strerror(errno), sizeof (r -> errdat2) - 1) ;
return rcFileOpenErr ;
}
#ifndef EP2
syntax = (r -> Component.pTokenTable && strcmp ((char *)r -> Component.pTokenTable, "Text") == 0)?"Text":"Embperl" ;
#else
syntax = r -> Component.Config.sSyntax ;
#endif
if ((rc = do_crypt_file (ifile, NULL, pData, *nFileSize, 0, syntax, EPC_HEADER)) <= 0)
{
if (rc < -1 || !EPC_UNENCYRPTED)
{
sprintf (r -> errdat1, "%d", rc) ;
return rcCryptoWrongHeader + -rc - 1;
}
PerlIO_seek (ifd, 0, SEEK_SET) ;
*nFileSize = PerlIO_read (ifd, pData, *nFileSize) ;
}
else
*nFileSize = rc ;
fclose (ifile) ;
}
#else
if (*nFileSize)
*nFileSize = PerlIO_read (ifd, pData, *nFileSize) ;
#endif
PerlIO_close (ifd) ;
pData [*nFileSize] = '\0' ;
SvCUR_set (pBufSV, *nFileSize) ;
SvTEMP_off (pBufSV) ;
SvPOK_on (pBufSV) ;
*ppBuf = pBufSV ;
return ok ;
}
/* ---------------------------------------------------------------------------- */
/* */
/* set the name of the output file and open it */
/* */
/* ---------------------------------------------------------------------------- */
int OpenOutput (/*i/o*/ register req * r,
/*in*/ const char * sFilename)
{
MAGIC *mg;
GV *handle ;
epTHX ;
r -> Component.pOutput -> pFirstBuf = NULL ;
r -> Component.pOutput -> pLastBuf = NULL ;
r -> Component.pOutput -> nMarker = 0 ;
r -> Component.pOutput -> pMemBuf = NULL ;
r -> Component.pOutput -> nMemBufSize = 0 ;
r -> Component.pOutput -> pFreeBuf = NULL ;
r -> Component.pOutput -> pLastFreeBuf = NULL ;
if (r -> Component.pOutput -> ofd && r -> Component.pOutput -> ofd != PerlIO_stdoutF && !r -> Component.pOutput -> no_ofd_close)
PerlIO_close (r -> Component.pOutput -> ofd) ;
r -> Component.pOutput -> ofd = NULL ;
r -> Component.pOutput -> no_ofd_close = 0 ;
if (sFilename == NULL || *sFilename == '\0')
{
#if defined (APACHE)
if (r -> pApacheReq)
{
if (r -> Component.Config.bDebug)
lprintf (r -> pApp, "[%d]Using APACHE for output...\n", r -> pThread -> nPid) ;
return ok ;
}
#endif
handle = HANDLE_GV("STDOUT") ;
if (handle)
{
SV *iohandle = TIEHANDLE_SV(handle) ;
if (iohandle && SvMAGICAL(iohandle) && (mg = mg_find((SV*)iohandle, 'q')) && mg->mg_obj)
{
r -> Component.pOutput -> ofdobj = mg->mg_obj ;
if (r -> Component.Config.bDebug)
{
char *package = HvNAME(SvSTASH((SV*)SvRV(mg->mg_obj)));
lprintf (r -> pApp, "[%d]Open TIED STDOUT %s for output...\n", r -> pThread -> nPid, package) ;
}
return ok ;
}
r -> Component.pOutput -> ofd = IoOFP(GvIOn(handle)) ;
if (r -> Component.pOutput -> ofd)
{
r -> Component.pOutput -> no_ofd_close = 1 ;
return ok ;
}
}
r -> Component.pOutput -> ofd = PerlIO_stdoutF ;
if (r -> Component.Config.bDebug)
{
#ifdef APACHE
if (r -> pApacheReq)
lprintf (r -> pApp, "[%d]Open STDOUT to Apache for output...\n", r -> pThread -> nPid) ;
else
#endif
lprintf (r -> pApp, "[%d]Open STDOUT for output...\n", r -> pThread -> nPid) ;
}
return ok ;
}
if (r -> Component.Config.bDebug)
lprintf (r -> pApp, "[%d]Open %s for output...\n", r -> pThread -> nPid, sFilename) ;
#ifdef WIN32
if ((r -> Component.pOutput -> ofd = PerlIO_open (sFilename, "wb")) == NULL)
#else
if ((r -> Component.pOutput -> ofd = PerlIO_open (sFilename, "w")) == NULL)
#endif
{
strncpy (r -> errdat1, sFilename, sizeof (r -> errdat1) - 1) ;
strncpy (r -> errdat2, Strerror(errno), sizeof (r -> errdat2) - 1) ;
return rcFileOpenErr ;
}
return ok ;
}
/* ---------------------------------------------------------------------------- */
/* */
/* close the output file */
/* */
/* ---------------------------------------------------------------------------- */
int CloseOutput (/*in*/ tReq * r,
tComponentOutput * pOutput)
{
epTHX ;
if (!pOutput)
return ok ;
#if 0
if (0) /* r -> Component.pOutput -> ofdobj) */
{
dSP;
ENTER;
SAVETMPS;
PUSHMARK(sp);
XPUSHs(pOutput -> ofdobj);
PUTBACK;
perl_call_method ("CLOSE", G_VOID | G_EVAL) ;
SPAGAIN ;
FREETMPS;
LEAVE;
pOutput -> ofdobj = NULL ;
}
#endif
if (pOutput -> ofd && pOutput -> ofd != PerlIO_stdoutF && !pOutput -> no_ofd_close)
PerlIO_close (pOutput -> ofd) ;
pOutput -> ofd = NULL ;
return ok ;
}
/* ---------------------------------------------------------------------------- */
/* */
/* set output to memory buffer */
/* */
/* ---------------------------------------------------------------------------- */
void OutputToMemBuf (/*i/o*/ register req * r,
/*in*/ char * pBuf,
/*in*/ size_t nBufSize)
{
if (pBuf == NULL)
pBuf = ep_palloc (r -> Component.pOutput -> pPool, nBufSize) ;
*pBuf = '\0' ;
r -> Component.pOutput -> pMemBuf = pBuf ;
r -> Component.pOutput -> pMemBufPtr = pBuf ;
r -> Component.pOutput -> nMemBufSize = nBufSize ;
r -> Component.pOutput -> nMemBufSizeFree = nBufSize ;
}
/* ---------------------------------------------------------------------------- */
/* */
/* set output to standard */
/* */
/* ---------------------------------------------------------------------------- */
char * OutputToStd (/*i/o*/ register req * r)
{
char * p = r -> Component.pOutput -> pMemBuf ;
r -> Component.pOutput -> pMemBuf = NULL ;
r -> Component.pOutput -> nMemBufSize = 0 ;
r -> Component.pOutput -> nMemBufSizeFree = 0 ;
return p ;
}
/* ---------------------------------------------------------------------------- */
/* */
/* puts to output (web client) */
/* */
/* ---------------------------------------------------------------------------- */
int oputs (/*i/o*/ register req * r,
/*in*/ const char * str)
{
return owrite (r, str, strlen (str)) ;
}
/* ---------------------------------------------------------------------------- */
/* */
/* write block of data to output (web client) */
/* */
/* ---------------------------------------------------------------------------- */
int owrite (/*i/o*/ register req * r,
/*in*/ const void * ptr, size_t size)
{
size_t n = size ;
epTHX ;
if (n == 0 || r -> Component.pOutput -> bDisableOutput)
return 0 ;
if (r -> Component.pOutput -> pMemBuf)
{
char * p ;
size_t s = r -> Component.pOutput -> nMemBufSize ;
if (n >= r -> Component.pOutput -> nMemBufSizeFree)
{
size_t oldsize = s ;
if (s < n)
s = n + r -> Component.pOutput -> nMemBufSize ;
r -> Component.pOutput -> nMemBufSize += s ;
r -> Component.pOutput -> nMemBufSizeFree += s ;
/*lprintf (r -> pApp, "[%d]MEM: Realloc pMemBuf, nMemSize = %d\n", nPid, nMemBufSize) ; */
p = ep_palloc (r -> Component.pOutput -> pPool, r -> Component.pOutput -> nMemBufSize) ;
if (p == NULL)
{
r -> Component.pOutput -> nMemBufSize -= s ;
r -> Component.pOutput -> nMemBufSizeFree -= s ;
return 0 ;
}
memcpy (p, r -> Component.pOutput -> pMemBuf, oldsize) ;
r -> Component.pOutput -> pMemBufPtr = p + (r -> Component.pOutput -> pMemBufPtr - r -> Component.pOutput -> pMemBuf) ;
r -> Component.pOutput -> pMemBuf = p ;
}
memcpy (r -> Component.pOutput -> pMemBufPtr, ptr, n) ;
r -> Component.pOutput -> pMemBufPtr += n ;
*(r -> Component.pOutput -> pMemBufPtr) = '\0' ;
r -> Component.pOutput -> nMemBufSizeFree -= n ;
return n ;
}
if (r -> Component.pOutput -> nMarker)
return bufwrite (r, ptr, n) ;
if (r -> Component.pOutput -> ofdobj)
{
dSP;
ENTER;
SAVETMPS;
PUSHMARK(sp);
XPUSHs(r -> Component.pOutput -> ofdobj);
XPUSHs(sv_2mortal(newSVpv((char *)ptr,size)));
PUTBACK;
perl_call_method ("PRINT", G_SCALAR) ;
SPAGAIN ;
FREETMPS;
LEAVE;
return size ;
}
#if defined (APACHE)
if (r -> pApacheReq && r -> Component.pOutput -> ofd == NULL)
{
if (n > 0)
{
n = ap_rwrite (ptr, n, r -> pApacheReq) ;
if (r -> Component.Config.bDebug & dbgFlushOutput)
ap_rflush (r -> pApacheReq) ;
return n ;
}
else
return 0 ;
}
#endif
if (n > 0 && r -> Component.pOutput -> ofd)
{
n = PerlIO_write (r -> Component.pOutput -> ofd, (void *)ptr, size) ;
if (r -> Component.Config.bDebug & dbgFlushOutput)
PerlIO_flush (r -> Component.pOutput -> ofd) ;
}
return n ;
}
/* ---------------------------------------------------------------------------- */
/* */
/* flush output */
/* */
/* ---------------------------------------------------------------------------- */
void oflush (/*i/o*/ register req * r)
{
epTHX_
#if defined (APACHE)
if (r -> pApacheReq && r -> Component.pOutput -> ofd == NULL)
{
ap_rflush (r -> pApacheReq) ;
return ;
}
#endif
if (r -> Component.pOutput -> ofd)
{
PerlIO_flush (r -> Component.pOutput -> ofd) ;
}
return ;
}
/* ---------------------------------------------------------------------------- */
/* */
/* write one char to output (web client) */
/* */
/* ---------------------------------------------------------------------------- */
void oputc (/*i/o*/ register req * r,
/*in*/ char c)
{
epTHX ;
if (r -> Component.pOutput -> nMarker || r -> Component.pOutput -> pMemBuf || r -> Component.pOutput -> ofdobj)
{
owrite (r, &c, 1) ;
return ;
}
#if defined (APACHE)
if (r -> pApacheReq && r -> Component.pOutput -> ofd == NULL)
{
ap_rputc (c, r -> pApacheReq) ;
if (r -> Component.Config.bDebug & dbgFlushOutput)
ap_rflush (r -> pApacheReq) ;
return ;
}
#endif
PerlIO_putc (r -> Component.pOutput -> ofd, c) ;
if (r -> Component.Config.bDebug & dbgFlushOutput)
PerlIO_flush (r -> Component.pOutput -> ofd) ;
}
/* ---------------------------------------------------------------------------- */
/* */
/* log file open */
/* */
/* ---------------------------------------------------------------------------- */
int OpenLog (/*i/o*/ tApp * a)
{
epaTHX ;
if (a -> lfd)
return ok ; /*already open */
if (a -> lfd && a -> lfd != PerlIO_stdoutF)
PerlIO_close (a -> lfd) ; /* close old logfile */
a -> lfd = NULL ;
if (a -> Config.bDebug == 0)
return ok ; /* never write to logfile if debugging is disabled */
if (!a -> Config.sLog && a -> Config.sLog[0] == '\0')
{
a -> lfd = PerlIO_stdoutF ;
return ok ;
}
if ((a -> lfd = PerlIO_open (a -> Config.sLog, "a")) == NULL)
{
tReq * r = a -> pThread -> pCurrReq ;
if (r)
{
strncpy (r -> errdat1, a -> Config.sLog, sizeof (r -> errdat1) - 1) ;
strncpy (r -> errdat2, Strerror(errno), sizeof (r -> errdat2) - 1) ;
}
return rcLogFileOpenErr ;
}
return ok ;
}
/* ---------------------------------------------------------------------------- */
/* */
/* return the handle of the log file */
/* */
/* ---------------------------------------------------------------------------- */
int GetLogHandle (/*i/o*/ tApp * a)
{
epaTHX ;
if (a -> lfd)
return PerlIO_fileno (a -> lfd) ;
return 0 ;
}
/* ---------------------------------------------------------------------------- */
/* */
/* return the current posittion of the log file */
/* */
/* ---------------------------------------------------------------------------- */
long GetLogFilePos (/*i/o*/ tApp * a)
{
epaTHX ;
if (a -> lfd)
return PerlIO_tell (a -> lfd) ;
return 0 ;
}
/* ---------------------------------------------------------------------------- */
/* */
/* close the log file */
/* */
/* ---------------------------------------------------------------------------- */
int CloseLog (/*i/o*/ tApp * a)
{
epaTHX ;
if (a -> lfd && a -> lfd != PerlIO_stdoutF)
PerlIO_close (a -> lfd) ;
a -> lfd = NULL ;
return ok ;
}
/* ---------------------------------------------------------------------------- */
/* */
/* flush the log file */
/* */
/* ---------------------------------------------------------------------------- */
int FlushLog (/*i/o*/ tApp * a)
{
epaTHX ;
if (a -> lfd != NULL)
PerlIO_flush (a -> lfd) ;
return ok ;
}
/* ---------------------------------------------------------------------------- */
/* */
/* printf to log file */
/* */
/* ---------------------------------------------------------------------------- */
int lprintf (/*i/o*/ tApp * a,
/*in*/ const char * sFormat,
/*in*/ ...)
{
va_list ap ;
int n ;
epaTHX ;
if (a -> lfd == NULL)
return 0 ;
va_start (ap, sFormat) ;
{
n = PerlIO_vprintf (a -> lfd, sFormat, ap) ;
if (a -> Config.bDebug & dbgFlushLog)
PerlIO_flush (a -> lfd) ;
}
va_end (ap) ;
return n ;
}
/* ---------------------------------------------------------------------------- */
/* */
/* write block of data to log file */
/* */
/* ---------------------------------------------------------------------------- */
int lwrite (/*i/o*/ tApp * a,
/*in*/ const void * ptr,
/*in*/ size_t size)
{
int n ;
epaTHX ;
if (a -> lfd == NULL)
return 0 ;
n = PerlIO_write (a -> lfd, (void *)ptr, size) ;
if (a -> Config.bDebug & dbgFlushLog)
PerlIO_flush (a -> lfd) ;
return n ;
}
/* ---------------------------------------------------------------------------- */
/* */
/* Memory Allocation */
/* */
/* ---------------------------------------------------------------------------- */
void _free (/*i/o*/ register req * r,
void * p)
{
#ifdef APACHE
if (pAllocReq && !(r -> Component.Config.bDebug & dbgMem))
return ;
#endif
#ifdef ALLOCSIZE
if (r -> Component.Config.bDebug & dbgMem)
{
size_t size ;
size_t * ps ;
/* we do it a bit complicted so it compiles also on aix */
ps = (size_t *)p ;
ps-- ;
size = *ps ;
p = ps ;
r -> nAllocSize -= size ;
lprintf (r -> pApp, "[%d]MEM: Free %d Bytes at %08x Allocated so far %d Bytes\n" ,r -> pThread -> nPid, size, p, r -> nAllocSize) ;
}
#endif
#ifdef APACHE
if (r -> pApacheReq == NULL)
#endif
{
epTHX ;
free (p) ;
}
}
void * _malloc (/*i/o*/ register req * r,
size_t size)
{
void * p ;
#ifdef APACHE
pAllocReq = r -> pApacheReq ;
if (r -> pApacheReq)
{
p = apr_palloc (r -> pApacheReq -> pool, size + sizeof (size)) ;
}
else
#endif
{
epTHX ;
p = malloc (size + sizeof (size)) ;
}
#ifdef ALLOCSIZE
if (r -> Component.Config.bDebug & dbgMem)
{
size_t * ps ;
/* we do it a bit complicted so it compiles also on aix */
ps = (size_t *)p ;
*ps = size ;
p = ps + 1 ;
r -> nAllocSize += size ;
lprintf (r -> pApp, "[%d]MEM: Alloc %d Bytes at %08x Allocated so far %d Bytes\n" ,r -> pThread -> nPid, size, p, r -> nAllocSize) ;
}
#endif
return p ;
}
void * _realloc (/*i/o*/ register req * r, void * ptr, size_t oldsize, size_t size)
{
void * p ;
#ifdef APACHE
if (r -> pApacheReq)
{
p = apr_palloc (r -> pApacheReq -> pool, size + sizeof (size)) ;
if (p == NULL)
return NULL ;
#ifdef ALLOCSIZE
if (r -> Component.Config.bDebug & dbgMem)
{
size_t * ps ;
size_t sizeold ;
/* we do it a bit complicted so it compiles also on aix */
ps = (size_t *)p ;
*ps = size ;
p = ps + 1;
ps = (size_t *)ptr ;
ps-- ;
sizeold = *ps ;
r -> nAllocSize += size - sizeold ;
lprintf (r -> pApp, "[%d]MEM: ReAlloc %d Bytes at %08x Allocated so far %d Bytes\n" ,r -> pThread -> nPid, size, p, r -> nAllocSize) ;
}
#endif
memcpy (p, ptr, oldsize) ;
}
else
#endif
#ifdef ALLOCSIZE
if (r -> Component.Config.bDebug & dbgMem)
{
size_t * ps ;
ps = (size_t *)ptr ;
ps-- ;
r -> nAllocSize -= *ps ;
p = realloc (ps, size + sizeof (size)) ;
if (p == NULL)
return NULL ;
/* we do it a bit complicted so it compiles also on aix */
ps = (size_t *)p ;
*ps = size ;
p = ps + 1;
r -> nAllocSize += size ;
lprintf (r -> pApp, "[%d]MEM: ReAlloc %d Bytes at %08x Allocated so far %d Bytes\n" ,r -> pThread -> nPid, size, p, r -> nAllocSize) ;
}
else
#endif
{
epTHX ;
p = realloc (ptr, size + sizeof (size)) ;
}
return p ;
}
char * _memstrcat (/*i/o*/ register req * r,
const char *s, ...)
{
va_list ap ;
char * p ;
char * str ;
char * sp ;
int l ;
int sum ;
EPENTRY(_memstrcat) ;
va_start(ap, s) ;
p = (char *)s ;
sum = 0 ;
while (p)
{
sum += strlen (p) ;
lprintf (r -> pApp, "sum = %d p = %s\n", sum, p) ;
p = va_arg (ap, char *) ;
}
sum++ ;
va_end (ap) ;
sp = str = _malloc (r, sum+1) ;
va_start(ap, s) ;
p = (char *)s ;
while (p)
{
l = strlen (p) ;
lprintf (r -> pApp, "l = %d p = %s\n", l, p) ;
memcpy (str, p, l) ;
str += l ;
p = va_arg (ap, char *) ;
}
*str = '\0' ;
va_end (ap) ;
return sp ;
}
char * _ep_strdup (/*i/o*/ register req * r,
/*in*/ const char * str)
{
char * p ;
int len = strlen (str) ;
p = (char *)_malloc (r, len + 1) ;
if (p)
strcpy (p, str) ;
return p ;
}
char * _ep_strndup (/*i/o*/ register req * r,
/*in*/ const char * str,
/*in*/ int len)
{
char * p ;
p = (char *)_malloc (r, len + 1) ;
if (p)
{
strncpy (p, str, len) ;
p[len] = '\0' ;
}
return p ;
}
char * _ep_memdup (/*i/o*/ register req * r,
/*in*/ const char * str,
/*in*/ int len)
{
char * p ;
p = (char *)_malloc (r, len + 1) ;
if (p)
{
memcpy (p, str, len) ;
p[len] = '\0' ;
}
return p ;
}