/* pp_sys.c
*
- * Copyright (c) 1991-2000, Larry Wall
+ * Copyright (c) 1991-2001, Larry Wall
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
#ifdef I_SHADOW
/* Shadow password support for solaris - pdo@cs.umd.edu
* Not just Solaris: at least HP-UX, IRIX, Linux.
- * the API is from SysV. --jhi */
-#ifdef __hpux__
+ * The API is from SysV.
+ *
+ * There are at least two more shadow interfaces,
+ * see the comments in pp_gpwent().
+ *
+ * --jhi */
+# ifdef __hpux__
/* There is a MAXINT coming from <shadow.h> <- <hpsecurity.h> <- <values.h>
- * and another MAXINT from "perl.h" <- <sys/param.h>. */
-#undef MAXINT
-#endif
-#include <shadow.h>
-#endif
-
-/* XXX If this causes problems, set i_unistd=undef in the hint file. */
-#ifdef I_UNISTD
-# include <unistd.h>
+ * and another MAXINT from "perl.h" <- <sys/param.h>. */
+# undef MAXINT
+# endif
+# include <shadow.h>
#endif
-#ifdef HAS_SYSCALL
-#ifdef __cplusplus
+#ifdef HAS_SYSCALL
+#ifdef __cplusplus
extern "C" int syscall(unsigned long,...);
#endif
#endif
# include <sys/resource.h>
#endif
-#if defined(HAS_SOCKET) && !defined(VMS) /* VMS handles sockets via vmsish.h */
-# include <sys/socket.h>
-# if defined(USE_SOCKS) && defined(I_SOCKS)
-# include <socks.h>
-# endif
-# ifdef I_NETDB
-# include <netdb.h>
-# endif
-# ifndef ENOTSOCK
-# ifdef I_NET_ERRNO
-# include <net/errno.h>
-# endif
-# endif
-#endif
-
#ifdef HAS_SELECT
-#ifdef I_SYS_SELECT
-#include <sys/select.h>
-#endif
+# ifdef I_SYS_SELECT
+# include <sys/select.h>
+# endif
#endif
/* XXX Configure test needed.
# include <fcntl.h>
# endif
-# if defined(HAS_FCNTL) && defined(F_SETLK) && defined (F_SETLKW)
+# if defined(HAS_FCNTL) && defined(FCNTL_CAN_LOCK)
# define FLOCK fcntl_emulate_flock
# define FCNTL_EMULATE_FLOCK
# else /* no flock() or fcntl(F_SETLK,...) */
#endif
#if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_EACCESS)
-# if defined(I_SYS_SECURITY)
+# ifdef I_SYS_SECURITY
# include <sys/security.h>
# endif
# ifdef ACC_SELF
PP(pp_backtick)
{
- djSP; dTARGET;
+ dSP; dTARGET;
PerlIO *fp;
STRLEN n_a;
char *tmps = POPpx;
mode = "rt";
fp = PerlProc_popen(tmps, mode);
if (fp) {
+ char *type = NULL;
+ if (PL_curcop->cop_io) {
+ type = SvPV_nolen(PL_curcop->cop_io);
+ }
+ if (type && *type)
+ PerlIO_apply_layers(aTHX_ fp,mode,type);
+
if (gimme == G_VOID) {
char tmpbuf[256];
while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
PP(pp_warn)
{
- djSP; dMARK;
+ dSP; dMARK;
SV *tmpsv;
char *tmps;
STRLEN len;
PP(pp_die)
{
- djSP; dMARK;
+ dSP; dMARK;
char *tmps;
SV *tmpsv;
STRLEN len;
}
else {
tmpsv = TOPs;
- tmps = SvROK(tmpsv) ? Nullch : SvPV(tmpsv, len);
+ tmps = (SvROK(tmpsv) && PL_in_eval) ? Nullch : SvPV(tmpsv, len);
}
if (!tmps || !len) {
SV *error = ERRSV;
PP(pp_open)
{
- djSP; dTARGET;
+ dSP;
+ dMARK; dORIGMARK;
+ dTARGET;
GV *gv;
SV *sv;
- SV *name;
- I32 have_name = 0;
char *tmps;
STRLEN len;
MAGIC *mg;
+ bool ok;
- if (MAXARG > 2) {
- name = POPs;
- have_name = 1;
- }
- if (MAXARG > 1)
- sv = POPs;
- if (!isGV(TOPs))
- DIE(aTHX_ PL_no_usym, "filehandle");
- if (MAXARG <= 1)
- sv = GvSV(TOPs);
- gv = (GV*)POPs;
+ gv = (GV *)*++MARK;
if (!isGV(gv))
DIE(aTHX_ PL_no_usym, "filehandle");
if (GvIOp(gv))
IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
- PUSHMARK(SP);
- XPUSHs(SvTIED_obj((SV*)gv, mg));
- XPUSHs(sv);
- if (have_name)
- XPUSHs(name);
+ /* Method's args are same as ours ... */
+ /* ... except handle is replaced by the object */
+ *MARK-- = SvTIED_obj((SV*)gv, mg);
+ PUSHMARK(MARK);
PUTBACK;
ENTER;
call_method("OPEN", G_SCALAR);
RETURN;
}
+ if (MARK < SP) {
+ sv = *++MARK;
+ }
+ else {
+ sv = GvSV(gv);
+ }
+
tmps = SvPV(sv, len);
- if (do_open9(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp, name, have_name))
+ ok = do_openn(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp, MARK+1, (SP-MARK));
+ SP = ORIGMARK;
+ if (ok)
PUSHi( (I32)PL_forkprocess );
else if (PL_forkprocess == 0) /* we are a new child */
PUSHi(0);
PP(pp_close)
{
- djSP;
+ dSP;
GV *gv;
MAGIC *mg;
PP(pp_pipe_op)
{
- djSP;
+ dSP;
#ifdef HAS_PIPE
GV *rgv;
GV *wgv;
IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
IoIFP(wstio) = IoOFP(wstio);
- IoTYPE(rstio) = '<';
- IoTYPE(wstio) = '>';
+ IoTYPE(rstio) = IoTYPE_RDONLY;
+ IoTYPE(wstio) = IoTYPE_WRONLY;
if (!IoIFP(rstio) || !IoOFP(wstio)) {
if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
PP(pp_fileno)
{
- djSP; dTARGET;
+ dSP; dTARGET;
GV *gv;
IO *io;
PerlIO *fp;
RETURN;
}
- if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
+ if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io))) {
+ /* Can't do this because people seem to do things like
+ defined(fileno($foo)) to check whether $foo is a valid fh.
+ if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
+ report_evil_fh(gv, io, PL_op->op_type);
+ */
RETPUSHUNDEF;
+ }
+
PUSHi(PerlIO_fileno(fp));
RETURN;
}
PP(pp_umask)
{
- djSP; dTARGET;
+ dSP; dTARGET;
Mode_t anum;
#ifdef HAS_UMASK
PP(pp_binmode)
{
- djSP;
+ dSP;
GV *gv;
IO *io;
PerlIO *fp;
MAGIC *mg;
SV *discp = Nullsv;
+ STRLEN len = 0;
+ char *names = NULL;
if (MAXARG < 1)
RETPUSHUNDEF;
- if (MAXARG > 1)
+ if (MAXARG > 1) {
discp = POPs;
+ }
- gv = (GV*)POPs;
+ gv = (GV*)POPs;
if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
PUSHMARK(SP);
}
EXTEND(SP, 1);
- if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
- RETPUSHUNDEF;
+ if (!(io = GvIO(gv)) || !(fp = IoIFP(io))) {
+ if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
+ report_evil_fh(gv, io, PL_op->op_type);
+ RETPUSHUNDEF;
+ }
- if (do_binmode(fp,IoTYPE(io),mode_from_discipline(discp)))
+ if (discp) {
+ names = SvPV(discp,len);
+ }
+
+ if (PerlIO_binmode(aTHX_ fp,IoTYPE(io),mode_from_discipline(discp),
+ (discp) ? SvPV_nolen(discp) : Nullch))
RETPUSHYES;
else
RETPUSHUNDEF;
PP(pp_tie)
{
- djSP;
+ dSP;
dMARK;
SV *varsv;
HV* stash;
methname = "TIEARRAY";
break;
case SVt_PVGV:
+#ifdef GV_SHARED_CHECK
+ if (GvSHARED((GV*)varsv)) {
+ Perl_croak(aTHX_ "Attempt to tie shared GV");
+ }
+#endif
methname = "TIEHANDLE";
how = 'q';
break;
PUSHs(*MARK++);
PUTBACK;
call_method(methname, G_SCALAR);
- }
+ }
else {
/* Not clear why we don't call call_method here too.
* perhaps to get different error message ?
stash = gv_stashsv(*MARK, FALSE);
if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
DIE(aTHX_ "Can't locate object method \"%s\" via package \"%s\"",
- methname, SvPV(*MARK,n_a));
+ methname, SvPV(*MARK,n_a));
}
ENTER;
PUSHSTACKi(PERLSI_MAGIC);
POPSTACK;
if (sv_isobject(sv)) {
sv_unmagic(varsv, how);
- sv_magic(varsv, (SvRV(sv) == varsv ? Nullsv : sv), how, Nullch, 0);
+ /* Croak if a self-tie on an aggregate is attempted. */
+ if (varsv == SvRV(sv) &&
+ (SvTYPE(sv) == SVt_PVAV ||
+ SvTYPE(sv) == SVt_PVHV))
+ Perl_croak(aTHX_
+ "Self-ties of arrays and hashes are not supported");
+ sv_magic(varsv, sv, how, Nullch, 0);
}
LEAVE;
SP = PL_stack_base + markoff;
PP(pp_untie)
{
- djSP;
+ dSP;
SV *sv = POPs;
char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
- if (ckWARN(WARN_UNTIE)) {
MAGIC * mg ;
if ((mg = SvTIED_mg(sv, how))) {
- if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
+ SV *obj = SvRV(mg->mg_obj);
+ GV *gv;
+ CV *cv = NULL;
+ if ((gv = gv_fetchmethod_autoload(SvSTASH(obj), "UNTIE", FALSE)) &&
+ isGV(gv) && (cv = GvCV(gv))) {
+ PUSHMARK(SP);
+ XPUSHs(SvTIED_obj((SV*)gv, mg));
+ XPUSHs(sv_2mortal(newSViv(SvREFCNT(obj)-1)));
+ PUTBACK;
+ ENTER;
+ call_sv((SV *)cv, G_VOID);
+ LEAVE;
+ SPAGAIN;
+ }
+ else if (ckWARN(WARN_UNTIE)) {
+ if (mg && SvREFCNT(obj) > 1)
Perl_warner(aTHX_ WARN_UNTIE,
"untie attempted while %"UVuf" inner references still exist",
- (UV)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
+ (UV)SvREFCNT(obj) - 1 ) ;
}
}
-
sv_unmagic(sv, how);
RETPUSHYES;
}
PP(pp_tied)
{
- djSP;
+ dSP;
SV *sv = POPs;
char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
MAGIC *mg;
PP(pp_dbmopen)
{
- djSP;
+ dSP;
HV *hv;
dPOPPOPssrl;
HV* stash;
}
if (sv_isobject(TOPs)) {
- sv_unmagic((SV *) hv, 'P');
+ sv_unmagic((SV *) hv, 'P');
sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
}
LEAVE;
PP(pp_sselect)
{
- djSP; dTARGET;
+ dSP; dTARGET;
#ifdef HAS_SELECT
register I32 i;
register I32 j;
void
Perl_setdefout(pTHX_ GV *gv)
{
- dTHR;
if (gv)
(void)SvREFCNT_inc(gv);
if (PL_defoutgv)
PP(pp_select)
{
- djSP; dTARGET;
+ dSP; dTARGET;
GV *newdefout, *egv;
HV *hv;
else {
GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
if (gvp && *gvp == egv) {
- gv_efullname3(TARG, PL_defoutgv, Nullch);
+ gv_efullname4(TARG, PL_defoutgv, Nullch, TRUE);
XPUSHTARG;
}
else {
PP(pp_getc)
{
- djSP; dTARGET;
+ dSP; dTARGET;
GV *gv;
MAGIC *mg;
TAINT;
sv_setpv(TARG, " ");
*SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
+ if (PerlIO_isutf8(IoIFP(GvIOp(gv)))) {
+ /* Find out how many bytes the char needs */
+ Size_t len = UTF8SKIP(SvPVX(TARG));
+ if (len > 1) {
+ SvGROW(TARG,len+1);
+ len = PerlIO_read(IoIFP(GvIOp(gv)),SvPVX(TARG)+1,len-1);
+ SvCUR_set(TARG,1+len);
+ }
+ SvUTF8_on(TARG);
+ }
PUSHTARG;
RETURN;
}
STATIC OP *
S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
{
- dTHR;
register PERL_CONTEXT *cx;
I32 gimme = GIMME_V;
AV* padlist = CvPADLIST(cv);
PP(pp_enterwrite)
{
- djSP;
+ dSP;
register GV *gv;
register IO *io;
GV *fgv;
cv = GvFORM(fgv);
if (!cv) {
+ char *name = NULL;
if (fgv) {
SV *tmpsv = sv_newmortal();
- gv_efullname3(tmpsv, fgv, Nullch);
- DIE(aTHX_ "Undefined format \"%s\" called",SvPVX(tmpsv));
+ gv_efullname4(tmpsv, fgv, Nullch, FALSE);
+ name = SvPV_nolen(tmpsv);
}
+ if (name && *name)
+ DIE(aTHX_ "Undefined format \"%s\" called", name);
DIE(aTHX_ "Not a format reference");
}
if (CvCLONE(cv))
PP(pp_leavewrite)
{
- djSP;
+ dSP;
GV *gv = cxstack[cxstack_ix].blk_sub.gv;
register IO *io = GvIOp(gv);
PerlIO *ofp = IoOFP(io);
DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
(long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
+ if (!io || !ofp)
+ goto forget_top;
if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
PL_formtarget != PL_toptarget)
{
s++;
}
if (s) {
- PerlIO_write(ofp, SvPVX(PL_formtarget), s - SvPVX(PL_formtarget));
+ STRLEN save = SvCUR(PL_formtarget);
+ SvCUR_set(PL_formtarget, s - SvPVX(PL_formtarget));
+ do_print(PL_formtarget, ofp);
+ SvCUR_set(PL_formtarget, save);
sv_chop(PL_formtarget, s);
FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
}
}
if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
- PerlIO_write(ofp, SvPVX(PL_formfeed), SvCUR(PL_formfeed));
+ do_print(PL_formfeed, ofp);
IoLINES_LEFT(io) = IoPAGE_LEN(io);
IoPAGE(io)++;
PL_formtarget = PL_toptarget;
if (!fgv)
DIE(aTHX_ "bad top format reference");
cv = GvFORM(fgv);
- if (!cv) {
- SV *tmpsv = sv_newmortal();
- gv_efullname3(tmpsv, fgv, Nullch);
- DIE(aTHX_ "Undefined top format \"%s\" called",SvPVX(tmpsv));
+ {
+ char *name = NULL;
+ if (!cv) {
+ SV *sv = sv_newmortal();
+ gv_efullname4(sv, fgv, Nullch, FALSE);
+ name = SvPV_nolen(sv);
+ }
+ if (name && *name)
+ DIE(aTHX_ "Undefined top format \"%s\" called",name);
+ /* why no:
+ else
+ DIE(aTHX_ "Undefined top format called");
+ ?*/
}
if (CvCLONE(cv))
cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
if (!fp) {
if (ckWARN2(WARN_CLOSED,WARN_IO)) {
if (IoIFP(io)) {
- SV* sv = sv_newmortal();
- gv_efullname3(sv, gv, Nullch);
- Perl_warner(aTHX_ WARN_IO,
- "Filehandle %s opened only for input",
- SvPV_nolen(sv));
+ /* integrate with report_evil_fh()? */
+ char *name = NULL;
+ if (isGV(gv)) {
+ SV* sv = sv_newmortal();
+ gv_efullname4(sv, gv, Nullch, FALSE);
+ name = SvPV_nolen(sv);
+ }
+ if (name && *name)
+ Perl_warner(aTHX_ WARN_IO,
+ "Filehandle %s opened only for input", name);
+ else
+ Perl_warner(aTHX_ WARN_IO,
+ "Filehandle opened only for input");
}
else if (ckWARN(WARN_CLOSED))
- report_closed_fh(gv, io, "write", "filehandle");
+ report_evil_fh(gv, io, PL_op->op_type);
}
PUSHs(&PL_sv_no);
}
if (ckWARN(WARN_IO))
Perl_warner(aTHX_ WARN_IO, "page overflow");
}
- if (!PerlIO_write(ofp, SvPVX(PL_formtarget), SvCUR(PL_formtarget)) ||
- PerlIO_error(fp))
+ if (!do_print(PL_formtarget, fp))
PUSHs(&PL_sv_no);
else {
FmLINES(PL_formtarget) = 0;
PUSHs(&PL_sv_yes);
}
}
+ /* bad_ofp: */
PL_formtarget = PL_bodytarget;
PUTBACK;
return pop_return();
PP(pp_prtf)
{
- djSP; dMARK; dORIGMARK;
+ dSP; dMARK; dORIGMARK;
GV *gv;
IO *io;
PerlIO *fp;
SV *sv;
MAGIC *mg;
- STRLEN n_a;
if (PL_op->op_flags & OPf_STACKED)
gv = (GV*)*++MARK;
sv = NEWSV(0,0);
if (!(io = GvIO(gv))) {
- if (ckWARN(WARN_UNOPENED)) {
- gv_efullname3(sv, gv, Nullch);
- Perl_warner(aTHX_ WARN_UNOPENED,
- "Filehandle %s never opened", SvPV(sv,n_a));
- }
+ if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
+ report_evil_fh(gv, io, PL_op->op_type);
SETERRNO(EBADF,RMS$_IFI);
goto just_say_no;
}
else if (!(fp = IoOFP(io))) {
if (ckWARN2(WARN_CLOSED,WARN_IO)) {
+ /* integrate with report_evil_fh()? */
if (IoIFP(io)) {
- gv_efullname3(sv, gv, Nullch);
- Perl_warner(aTHX_ WARN_IO,
- "Filehandle %s opened only for input",
- SvPV(sv,n_a));
+ char *name = NULL;
+ if (isGV(gv)) {
+ gv_efullname4(sv, gv, Nullch, FALSE);
+ name = SvPV_nolen(sv);
+ }
+ if (name && *name)
+ Perl_warner(aTHX_ WARN_IO,
+ "Filehandle %s opened only for input", name);
+ else
+ Perl_warner(aTHX_ WARN_IO,
+ "Filehandle opened only for input");
}
else if (ckWARN(WARN_CLOSED))
- report_closed_fh(gv, io, "printf", "filehandle");
+ report_evil_fh(gv, io, PL_op->op_type);
}
SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
goto just_say_no;
PP(pp_sysopen)
{
- djSP;
+ dSP;
GV *gv;
SV *sv;
char *tmps;
PP(pp_sysread)
{
- djSP; dMARK; dORIGMARK; dTARGET;
+ dSP; dMARK; dORIGMARK; dTARGET;
int offset;
GV *gv;
IO *io;
char *buffer;
SSize_t length;
+ SSize_t count;
Sock_size_t bufsize;
SV *bufsv;
STRLEN blen;
MAGIC *mg;
+ int fp_utf8;
+ Size_t got = 0;
+ Size_t wanted;
gv = (GV*)*++MARK;
if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
bufsv = *++MARK;
if (! SvOK(bufsv))
sv_setpvn(bufsv, "", 0);
- buffer = SvPV_force(bufsv, blen);
length = SvIVx(*++MARK);
- if (length < 0)
- DIE(aTHX_ "Negative length");
SETERRNO(0,0);
if (MARK < SP)
offset = SvIVx(*++MARK);
io = GvIO(gv);
if (!io || !IoIFP(io))
goto say_undef;
+ if ((fp_utf8 = PerlIO_isutf8(IoIFP(io))) && !IN_BYTE) {
+ buffer = SvPVutf8_force(bufsv, blen);
+ /* UTF8 may not have been set if they are all low bytes */
+ SvUTF8_on(bufsv);
+ }
+ else {
+ buffer = SvPV_force(bufsv, blen);
+ }
+ if (length < 0)
+ DIE(aTHX_ "Negative length");
+ wanted = length;
+
#ifdef HAS_SOCKET
if (PL_op->op_type == OP_RECV) {
char namebuf[MAXPATHLEN];
if (bufsize >= 256)
bufsize = 255;
#endif
-#ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
- if (bufsize >= 256)
- bufsize = 255;
-#endif
buffer = SvGROW(bufsv, length+1);
/* 'offset' means 'flags' here */
- length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
+ count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
(struct sockaddr *)namebuf, &bufsize);
- if (length < 0)
+ if (count < 0)
RETPUSHUNDEF;
- SvCUR_set(bufsv, length);
+#ifdef EPOC
+ /* Bogus return without padding */
+ bufsize = sizeof (struct sockaddr_in);
+#endif
+ SvCUR_set(bufsv, count);
*SvEND(bufsv) = '\0';
(void)SvPOK_only(bufsv);
+ if (fp_utf8)
+ SvUTF8_on(bufsv);
SvSETMAGIC(bufsv);
/* This should not be marked tainted if the fp is marked clean */
if (!(IoFLAGS(io) & IOf_UNTAINT))
if (PL_op->op_type == OP_RECV)
DIE(aTHX_ PL_no_sock_func, "recv");
#endif
+ if (DO_UTF8(bufsv)) {
+ /* offset adjust in characters not bytes */
+ blen = sv_len_utf8(bufsv);
+ }
if (offset < 0) {
if (-offset > blen)
DIE(aTHX_ "Offset outside string");
offset += blen;
}
+ if (DO_UTF8(bufsv)) {
+ /* convert offset-as-chars to offset-as-bytes */
+ offset = utf8_hop((U8 *)buffer,offset) - (U8 *) buffer;
+ }
+ more_bytes:
bufsize = SvCUR(bufsv);
- buffer = SvGROW(bufsv, length+offset+1);
+ buffer = SvGROW(bufsv, length+offset+1);
if (offset > bufsize) { /* Zero any newly allocated space */
Zero(buffer+bufsize, offset-bufsize, char);
}
+ buffer = buffer + offset;
+
if (PL_op->op_type == OP_SYSREAD) {
#ifdef PERL_SOCK_SYSREAD_IS_RECV
- if (IoTYPE(io) == 's') {
- length = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
- buffer+offset, length, 0);
+ if (IoTYPE(io) == IoTYPE_SOCKET) {
+ count = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
+ buffer, length, 0);
}
else
#endif
{
- length = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
- buffer+offset, length);
+ count = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
+ buffer, length);
}
}
else
#ifdef HAS_SOCKET__bad_code_maybe
- if (IoTYPE(io) == 's') {
+ if (IoTYPE(io) == IoTYPE_SOCKET) {
char namebuf[MAXPATHLEN];
#if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
bufsize = sizeof (struct sockaddr_in);
#else
bufsize = sizeof namebuf;
#endif
- length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
+ count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, 0,
(struct sockaddr *)namebuf, &bufsize);
}
else
#endif
{
- length = PerlIO_read(IoIFP(io), buffer+offset, length);
- /* fread() returns 0 on both error and EOF */
- if (length == 0 && PerlIO_error(IoIFP(io)))
- length = -1;
- }
- if (length < 0) {
- if ((IoTYPE(io) == '>' || IoIFP(io) == PerlIO_stdout()
- || IoIFP(io) == PerlIO_stderr()) && ckWARN(WARN_IO))
+ count = PerlIO_read(IoIFP(io), buffer, length);
+ /* PerlIO_read() - like fread() returns 0 on both error and EOF */
+ if (count == 0 && PerlIO_error(IoIFP(io)))
+ count = -1;
+ }
+ if (count < 0) {
+ if ((IoTYPE(io) == IoTYPE_WRONLY) && ckWARN(WARN_IO))
{
- SV* sv = sv_newmortal();
- gv_efullname3(sv, gv, Nullch);
- Perl_warner(aTHX_ WARN_IO, "Filehandle %s opened only for output",
- SvPV_nolen(sv));
+ /* integrate with report_evil_fh()? */
+ char *name = NULL;
+ if (isGV(gv)) {
+ SV* sv = sv_newmortal();
+ gv_efullname4(sv, gv, Nullch, FALSE);
+ name = SvPV_nolen(sv);
+ }
+ if (name && *name)
+ Perl_warner(aTHX_ WARN_IO,
+ "Filehandle %s opened only for output", name);
+ else
+ Perl_warner(aTHX_ WARN_IO,
+ "Filehandle opened only for output");
}
goto say_undef;
}
- SvCUR_set(bufsv, length+offset);
+ SvCUR_set(bufsv, count+(buffer - SvPVX(bufsv)));
*SvEND(bufsv) = '\0';
(void)SvPOK_only(bufsv);
+ if (fp_utf8 && !IN_BYTE) {
+ /* Look at utf8 we got back and count the characters */
+ char *bend = buffer + count;
+ while (buffer < bend) {
+ STRLEN skip = UTF8SKIP(buffer);
+ if (buffer+skip > bend) {
+ /* partial character - try for rest of it */
+ length = skip - (bend-buffer);
+ offset = bend - SvPVX(bufsv);
+ goto more_bytes;
+ }
+ else {
+ got++;
+ buffer += skip;
+ }
+ }
+ /* If we have not 'got' the number of _characters_ we 'wanted' get some more
+ provided amount read (count) was what was requested (length)
+ */
+ if (got < wanted && count == length) {
+ length = (wanted-got);
+ offset = bend - SvPVX(bufsv);
+ goto more_bytes;
+ }
+ /* return value is character count */
+ count = got;
+ SvUTF8_on(bufsv);
+ }
SvSETMAGIC(bufsv);
/* This should not be marked tainted if the fp is marked clean */
if (!(IoFLAGS(io) & IOf_UNTAINT))
SvTAINTED_on(bufsv);
SP = ORIGMARK;
- PUSHi(length);
+ PUSHi(count);
RETURN;
say_undef:
PP(pp_syswrite)
{
- djSP;
+ dSP;
int items = (SP - PL_stack_base) - TOPMARK;
if (items == 2) {
SV *sv;
PP(pp_send)
{
- djSP; dMARK; dORIGMARK; dTARGET;
+ dSP; dMARK; dORIGMARK; dTARGET;
GV *gv;
IO *io;
SV *bufsv;
char *buffer;
Size_t length;
SSize_t retval;
- IV offset;
STRLEN blen;
MAGIC *mg;
if (!gv)
goto say_undef;
bufsv = *++MARK;
- buffer = SvPV(bufsv, blen);
#if Size_t_size > IVSIZE
length = (Size_t)SvNVx(*++MARK);
#else
io = GvIO(gv);
if (!io || !IoIFP(io)) {
retval = -1;
- if (ckWARN(WARN_CLOSED)) {
- if (PL_op->op_type == OP_SYSWRITE)
- report_closed_fh(gv, io, "syswrite", "filehandle");
- else
- report_closed_fh(gv, io, "send", "socket");
- }
+ if (ckWARN(WARN_CLOSED))
+ report_evil_fh(gv, io, PL_op->op_type);
+ goto say_undef;
+ }
+
+ if (PerlIO_isutf8(IoIFP(io))) {
+ buffer = SvPVutf8(bufsv, blen);
}
- else if (PL_op->op_type == OP_SYSWRITE) {
+ else {
+ if (DO_UTF8(bufsv))
+ sv_utf8_downgrade(bufsv, FALSE);
+ buffer = SvPV(bufsv, blen);
+ }
+
+ if (PL_op->op_type == OP_SYSWRITE) {
+ IV offset;
+ if (DO_UTF8(bufsv)) {
+ /* length and offset are in chars */
+ blen = sv_len_utf8(bufsv);
+ }
if (MARK < SP) {
offset = SvIVx(*++MARK);
if (offset < 0) {
offset = 0;
if (length > blen - offset)
length = blen - offset;
+ if (DO_UTF8(bufsv)) {
+ buffer = (char*)utf8_hop((U8 *)buffer, offset);
+ length = utf8_hop((U8 *)buffer, length) - (U8 *)buffer;
+ }
+ else {
+ buffer = buffer+offset;
+ }
#ifdef PERL_SOCK_SYSWRITE_IS_SEND
- if (IoTYPE(io) == 's') {
+ if (IoTYPE(io) == IoTYPE_SOCKET) {
retval = PerlSock_send(PerlIO_fileno(IoIFP(io)),
- buffer+offset, length, 0);
+ buffer, length, 0);
}
else
#endif
{
/* See the note at doio.c:do_print about filesize limits. --jhi */
retval = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
- buffer+offset, length);
+ buffer, length);
}
}
#ifdef HAS_SOCKET
char *sockbuf;
STRLEN mlen;
sockbuf = SvPVx(*++MARK, mlen);
+ /* length is really flags */
retval = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen,
length, (struct sockaddr *)sockbuf, mlen);
}
else
+ /* length is really flags */
retval = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
-
#else
else
DIE(aTHX_ PL_no_sock_func, "send");
PP(pp_eof)
{
- djSP;
+ dSP;
GV *gv;
MAGIC *mg;
PP(pp_tell)
{
- djSP; dTARGET;
- GV *gv;
+ dSP; dTARGET;
+ GV *gv;
MAGIC *mg;
if (MAXARG == 0)
PP(pp_sysseek)
{
- djSP;
+ dSP;
GV *gv;
int whence = POPi;
#if LSEEKSIZE > IVSIZE
PP(pp_truncate)
{
- djSP;
+ dSP;
/* There seems to be no consensus on the length type of truncate()
* and ftruncate(), both off_t and size_t have supporters. In
* general one would think that when using large files, off_t is
len = (Off_t)POPi;
#endif
/* Checking for length < 0 is problematic as the type might or
- * might not be signed: if it is not, clever compilers will moan. */
+ * might not be signed: if it is not, clever compilers will moan. */
/* XXX Configure probe for the signedness of the length type of *truncate() needed? XXX */
SETERRNO(0,0);
#if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
PerlIO_flush(IoIFP(GvIOp(tmpgv)));
#ifdef HAS_TRUNCATE
if (ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
-#else
+#else
if (my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
#endif
result = 0;
PP(pp_ioctl)
{
- djSP; dTARGET;
+ dSP; dTARGET;
SV *argsv = POPs;
unsigned int func = U_I(POPn);
int optype = PL_op->op_type;
char *s;
IV retval;
GV *gv = (GV*)POPs;
- IO *io = GvIOn(gv);
+ IO *io = gv ? GvIOn(gv) : 0;
if (!io || !argsv || !IoIFP(io)) {
+ if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
+ report_evil_fh(gv, io, PL_op->op_type);
SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
RETPUSHUNDEF;
}
retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
#else
retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
-#endif
+#endif
#else
DIE(aTHX_ "fcntl is not implemented");
#endif
PP(pp_flock)
{
- djSP; dTARGET;
+ dSP; dTARGET;
I32 value;
int argtype;
GV *gv;
+ IO *io = NULL;
PerlIO *fp;
#ifdef FLOCK
gv = PL_last_in_gv;
else
gv = (GV*)POPs;
- if (gv && GvIO(gv))
- fp = IoIFP(GvIOp(gv));
- else
+ if (gv && (io = GvIO(gv)))
+ fp = IoIFP(io);
+ else {
fp = Nullfp;
+ io = NULL;
+ }
if (fp) {
(void)PerlIO_flush(fp);
value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
}
else {
+ if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
+ report_evil_fh(gv, io, PL_op->op_type);
value = 0;
SETERRNO(EBADF,RMS$_IFI);
- if (ckWARN(WARN_CLOSED))
- report_closed_fh(gv, GvIO(gv), "flock", "filehandle");
}
PUSHi(value);
RETURN;
PP(pp_socket)
{
- djSP;
+ dSP;
#ifdef HAS_SOCKET
GV *gv;
register IO *io;
int fd;
gv = (GV*)POPs;
+ io = gv ? GvIOn(gv) : NULL;
- if (!gv) {
+ if (!gv || !io) {
+ if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
+ report_evil_fh(gv, io, PL_op->op_type);
+ if (IoIFP(io))
+ do_close(gv, FALSE);
SETERRNO(EBADF,LIB$_INVARG);
RETPUSHUNDEF;
}
- io = GvIOn(gv);
if (IoIFP(io))
do_close(gv, FALSE);
RETPUSHUNDEF;
IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
IoOFP(io) = PerlIO_fdopen(fd, "w");
- IoTYPE(io) = 's';
+ IoTYPE(io) = IoTYPE_SOCKET;
if (!IoIFP(io) || !IoOFP(io)) {
if (IoIFP(io)) PerlIO_close(IoIFP(io));
if (IoOFP(io)) PerlIO_close(IoOFP(io));
fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
#endif
+#ifdef EPOC
+ setbuf( IoIFP(io), NULL); /* EPOC gets confused about sockets */
+#endif
+
RETPUSHYES;
#else
DIE(aTHX_ PL_no_sock_func, "socket");
PP(pp_sockpair)
{
- djSP;
+ dSP;
#ifdef HAS_SOCKETPAIR
GV *gv1;
GV *gv2;
gv2 = (GV*)POPs;
gv1 = (GV*)POPs;
- if (!gv1 || !gv2)
+ io1 = gv1 ? GvIOn(gv1) : NULL;
+ io2 = gv2 ? GvIOn(gv2) : NULL;
+ if (!gv1 || !gv2 || !io1 || !io2) {
+ if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) {
+ if (!gv1 || !io1)
+ report_evil_fh(gv1, io1, PL_op->op_type);
+ if (!gv2 || !io2)
+ report_evil_fh(gv1, io2, PL_op->op_type);
+ }
+ if (IoIFP(io1))
+ do_close(gv1, FALSE);
+ if (IoIFP(io2))
+ do_close(gv2, FALSE);
RETPUSHUNDEF;
+ }
- io1 = GvIOn(gv1);
- io2 = GvIOn(gv2);
if (IoIFP(io1))
do_close(gv1, FALSE);
if (IoIFP(io2))
RETPUSHUNDEF;
IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
- IoTYPE(io1) = 's';
+ IoTYPE(io1) = IoTYPE_SOCKET;
IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
- IoTYPE(io2) = 's';
+ IoTYPE(io2) = IoTYPE_SOCKET;
if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
PP(pp_bind)
{
- djSP;
+ dSP;
#ifdef HAS_SOCKET
#ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
extern GETPRIVMODE();
nuts:
if (ckWARN(WARN_CLOSED))
- report_closed_fh(gv, io, "bind", "socket");
+ report_evil_fh(gv, io, PL_op->op_type);
SETERRNO(EBADF,SS$_IVCHAN);
RETPUSHUNDEF;
#else
PP(pp_connect)
{
- djSP;
+ dSP;
#ifdef HAS_SOCKET
SV *addrsv = POPs;
char *addr;
nuts:
if (ckWARN(WARN_CLOSED))
- report_closed_fh(gv, io, "connect", "socket");
+ report_evil_fh(gv, io, PL_op->op_type);
SETERRNO(EBADF,SS$_IVCHAN);
RETPUSHUNDEF;
#else
PP(pp_listen)
{
- djSP;
+ dSP;
#ifdef HAS_SOCKET
int backlog = POPi;
GV *gv = (GV*)POPs;
- register IO *io = GvIOn(gv);
+ register IO *io = gv ? GvIOn(gv) : NULL;
- if (!io || !IoIFP(io))
+ if (!gv || !io || !IoIFP(io))
goto nuts;
if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
nuts:
if (ckWARN(WARN_CLOSED))
- report_closed_fh(gv, io, "listen", "socket");
+ report_evil_fh(gv, io, PL_op->op_type);
SETERRNO(EBADF,SS$_IVCHAN);
RETPUSHUNDEF;
#else
PP(pp_accept)
{
- djSP; dTARGET;
+ dSP; dTARGET;
#ifdef HAS_SOCKET
GV *ngv;
GV *ggv;
goto badexit;
IoIFP(nstio) = PerlIO_fdopen(fd, "r");
IoOFP(nstio) = PerlIO_fdopen(fd, "w");
- IoTYPE(nstio) = 's';
+ IoTYPE(nstio) = IoTYPE_SOCKET;
if (!IoIFP(nstio) || !IoOFP(nstio)) {
if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
#endif
+#ifdef EPOC
+ len = sizeof saddr; /* EPOC somehow truncates info */
+ setbuf( IoIFP(nstio), NULL); /* EPOC gets confused about sockets */
+#endif
+
PUSHp((char *)&saddr, len);
RETURN;
nuts:
if (ckWARN(WARN_CLOSED))
- report_closed_fh(ggv, ggv ? GvIO(ggv) : 0, "accept", "socket");
+ report_evil_fh(ggv, ggv ? GvIO(ggv) : 0, PL_op->op_type);
SETERRNO(EBADF,SS$_IVCHAN);
badexit:
PP(pp_shutdown)
{
- djSP; dTARGET;
+ dSP; dTARGET;
#ifdef HAS_SOCKET
int how = POPi;
GV *gv = (GV*)POPs;
nuts:
if (ckWARN(WARN_CLOSED))
- report_closed_fh(gv, io, "shutdown", "socket");
+ report_evil_fh(gv, io, PL_op->op_type);
SETERRNO(EBADF,SS$_IVCHAN);
RETPUSHUNDEF;
#else
PP(pp_ssockopt)
{
- djSP;
+ dSP;
#ifdef HAS_SOCKET
int optype = PL_op->op_type;
SV *sv;
nuts:
if (ckWARN(WARN_CLOSED))
- report_closed_fh(gv, io,
- optype == OP_GSOCKOPT ? "getsockopt" : "setsockopt",
- "socket");
+ report_evil_fh(gv, io, optype);
SETERRNO(EBADF,SS$_IVCHAN);
nuts2:
RETPUSHUNDEF;
PP(pp_getpeername)
{
- djSP;
+ dSP;
#ifdef HAS_SOCKET
int optype = PL_op->op_type;
SV *sv;
if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
!memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
sizeof(u_short) + sizeof(struct in_addr))) {
- goto nuts2;
+ goto nuts2;
}
}
#endif
nuts:
if (ckWARN(WARN_CLOSED))
- report_closed_fh(gv, io,
- optype == OP_GETSOCKNAME ? "getsockname"
- : "getpeername",
- "socket");
+ report_evil_fh(gv, io, optype);
SETERRNO(EBADF,SS$_IVCHAN);
nuts2:
RETPUSHUNDEF;
PP(pp_stat)
{
- djSP;
- GV *tmpgv;
+ dSP;
+ GV *gv;
I32 gimme;
I32 max = 13;
STRLEN n_a;
if (PL_op->op_flags & OPf_REF) {
- tmpgv = cGVOP_gv;
+ gv = cGVOP_gv;
+ if (PL_op->op_type == OP_LSTAT) {
+ if (PL_laststype != OP_LSTAT)
+ Perl_croak(aTHX_ "The stat preceding lstat() wasn't an lstat");
+ if (ckWARN(WARN_IO) && gv != PL_defgv)
+ Perl_warner(aTHX_ WARN_IO,
+ "lstat() on filehandle %s", GvENAME(gv));
+ /* Perl_my_lstat (-l) croak's on filehandle, why warn here? */
+ }
+
do_fstat:
- if (tmpgv != PL_defgv) {
+ if (gv != PL_defgv) {
PL_laststype = OP_STAT;
- PL_statgv = tmpgv;
+ PL_statgv = gv;
sv_setpv(PL_statname, "");
- PL_laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
- ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &PL_statcache) : -1);
+ PL_laststatval = (GvIO(gv) && IoIFP(GvIOp(gv))
+ ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(gv))), &PL_statcache) : -1);
}
- if (PL_laststatval < 0)
+ if (PL_laststatval < 0) {
+ if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
+ report_evil_fh(gv, GvIO(gv), PL_op->op_type);
max = 0;
+ }
}
else {
SV* sv = POPs;
if (SvTYPE(sv) == SVt_PVGV) {
- tmpgv = (GV*)sv;
+ gv = (GV*)sv;
goto do_fstat;
}
else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
- tmpgv = (GV*)SvRV(sv);
+ gv = (GV*)SvRV(sv);
goto do_fstat;
}
sv_setpv(PL_statname, SvPV(sv,n_a));
PUSHs(sv_2mortal(newSVuv(PL_statcache.st_uid)));
# endif
#endif
-#if Gid_t_size > IVSIZE
+#if Gid_t_size > IVSIZE
PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid)));
#else
# if Gid_t_sign <= 0
PP(pp_ftrread)
{
I32 result;
- djSP;
+ dSP;
#if defined(HAS_ACCESS) && defined(R_OK)
STRLEN n_a;
if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
PP(pp_ftrwrite)
{
I32 result;
- djSP;
+ dSP;
#if defined(HAS_ACCESS) && defined(W_OK)
STRLEN n_a;
if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
PP(pp_ftrexec)
{
I32 result;
- djSP;
+ dSP;
#if defined(HAS_ACCESS) && defined(X_OK)
STRLEN n_a;
if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
PP(pp_fteread)
{
I32 result;
- djSP;
+ dSP;
#ifdef PERL_EFF_ACCESS_R_OK
STRLEN n_a;
if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
PP(pp_ftewrite)
{
I32 result;
- djSP;
+ dSP;
#ifdef PERL_EFF_ACCESS_W_OK
STRLEN n_a;
if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
PP(pp_fteexec)
{
I32 result;
- djSP;
+ dSP;
#ifdef PERL_EFF_ACCESS_X_OK
STRLEN n_a;
if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
PP(pp_ftis)
{
I32 result = my_stat();
- djSP;
+ dSP;
if (result < 0)
RETPUSHUNDEF;
RETPUSHYES;
PP(pp_ftrowned)
{
I32 result = my_stat();
- djSP;
+ dSP;
if (result < 0)
RETPUSHUNDEF;
if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ?
PP(pp_ftzero)
{
I32 result = my_stat();
- djSP;
+ dSP;
if (result < 0)
RETPUSHUNDEF;
if (PL_statcache.st_size == 0)
PP(pp_ftsize)
{
I32 result = my_stat();
- djSP; dTARGET;
+ dSP; dTARGET;
if (result < 0)
RETPUSHUNDEF;
#if Off_t_size > IVSIZE
PP(pp_ftmtime)
{
I32 result = my_stat();
- djSP; dTARGET;
+ dSP; dTARGET;
if (result < 0)
RETPUSHUNDEF;
PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
PP(pp_ftatime)
{
I32 result = my_stat();
- djSP; dTARGET;
+ dSP; dTARGET;
if (result < 0)
RETPUSHUNDEF;
PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
PP(pp_ftctime)
{
I32 result = my_stat();
- djSP; dTARGET;
+ dSP; dTARGET;
if (result < 0)
RETPUSHUNDEF;
PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
PP(pp_ftsock)
{
I32 result = my_stat();
- djSP;
+ dSP;
if (result < 0)
RETPUSHUNDEF;
if (S_ISSOCK(PL_statcache.st_mode))
PP(pp_ftchr)
{
I32 result = my_stat();
- djSP;
+ dSP;
if (result < 0)
RETPUSHUNDEF;
if (S_ISCHR(PL_statcache.st_mode))
PP(pp_ftblk)
{
I32 result = my_stat();
- djSP;
+ dSP;
if (result < 0)
RETPUSHUNDEF;
if (S_ISBLK(PL_statcache.st_mode))
PP(pp_ftfile)
{
I32 result = my_stat();
- djSP;
+ dSP;
if (result < 0)
RETPUSHUNDEF;
if (S_ISREG(PL_statcache.st_mode))
PP(pp_ftdir)
{
I32 result = my_stat();
- djSP;
+ dSP;
if (result < 0)
RETPUSHUNDEF;
if (S_ISDIR(PL_statcache.st_mode))
PP(pp_ftpipe)
{
I32 result = my_stat();
- djSP;
+ dSP;
if (result < 0)
RETPUSHUNDEF;
if (S_ISFIFO(PL_statcache.st_mode))
PP(pp_ftlink)
{
I32 result = my_lstat();
- djSP;
+ dSP;
if (result < 0)
RETPUSHUNDEF;
if (S_ISLNK(PL_statcache.st_mode))
PP(pp_ftsuid)
{
- djSP;
+ dSP;
#ifdef S_ISUID
I32 result = my_stat();
SPAGAIN;
PP(pp_ftsgid)
{
- djSP;
+ dSP;
#ifdef S_ISGID
I32 result = my_stat();
SPAGAIN;
PP(pp_ftsvtx)
{
- djSP;
+ dSP;
#ifdef S_ISVTX
I32 result = my_stat();
SPAGAIN;
PP(pp_fttty)
{
- djSP;
+ dSP;
int fd;
GV *gv;
char *tmps = Nullch;
PP(pp_fttext)
{
- djSP;
+ dSP;
I32 i;
I32 len;
I32 odd = 0;
PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
if (PL_laststatval < 0)
RETPUSHUNDEF;
- if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
+ if (S_ISDIR(PL_statcache.st_mode)) { /* handle NFS glitch */
if (PL_op->op_type == OP_FTTEXT)
RETPUSHNO;
else
RETPUSHYES;
+ }
if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
i = PerlIO_getc(IoIFP(io));
if (i != EOF)
len = 512;
}
else {
- if (ckWARN(WARN_UNOPENED)) {
+ if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) {
gv = cGVOP_gv;
- Perl_warner(aTHX_ WARN_UNOPENED, "Test on unopened file <%s>",
- GvENAME(gv));
+ report_evil_fh(gv, GvIO(gv), PL_op->op_type);
}
SETERRNO(EBADF,RMS$_IFI);
RETPUSHUNDEF;
(void)PerlIO_close(fp);
RETPUSHUNDEF;
}
- do_binmode(fp, '<', O_BINARY);
+ PerlIO_binmode(aTHX_ fp, '<', O_BINARY, Nullch);
len = PerlIO_read(fp, tbuf, sizeof(tbuf));
(void)PerlIO_close(fp);
if (len <= 0) {
break;
}
#ifdef EBCDIC
- else if (!(isPRINT(*s) || isSPACE(*s)))
+ else if (!(isPRINT(*s) || isSPACE(*s)))
odd++;
#else
else if (*s & 128) {
continue;
#endif
/* utf8 characters don't count as odd */
- if (*s & 0x40) {
+ if (UTF8_IS_START(*s)) {
int ulen = UTF8SKIP(s);
if (ulen < len - i) {
int j;
for (j = 1; j < ulen; j++) {
- if ((s[j] & 0xc0) != 0x80)
+ if (!UTF8_IS_CONTINUATION(s[j]))
goto not_utf8;
}
--ulen; /* loop does extra increment */
PP(pp_chdir)
{
- djSP; dTARGET;
+ dSP; dTARGET;
char *tmps;
SV **svp;
STRLEN n_a;
PP(pp_chown)
{
- djSP; dMARK; dTARGET;
+ dSP; dMARK; dTARGET;
I32 value;
#ifdef HAS_CHOWN
value = (I32)apply(PL_op->op_type, MARK, SP);
PP(pp_chroot)
{
- djSP; dTARGET;
+ dSP; dTARGET;
char *tmps;
#ifdef HAS_CHROOT
STRLEN n_a;
PP(pp_unlink)
{
- djSP; dMARK; dTARGET;
+ dSP; dMARK; dTARGET;
I32 value;
value = (I32)apply(PL_op->op_type, MARK, SP);
SP = MARK;
PP(pp_chmod)
{
- djSP; dMARK; dTARGET;
+ dSP; dMARK; dTARGET;
I32 value;
value = (I32)apply(PL_op->op_type, MARK, SP);
SP = MARK;
PP(pp_utime)
{
- djSP; dMARK; dTARGET;
+ dSP; dMARK; dTARGET;
I32 value;
value = (I32)apply(PL_op->op_type, MARK, SP);
SP = MARK;
PP(pp_rename)
{
- djSP; dTARGET;
+ dSP; dTARGET;
int anum;
STRLEN n_a;
PP(pp_link)
{
- djSP; dTARGET;
+ dSP; dTARGET;
#ifdef HAS_LINK
STRLEN n_a;
char *tmps2 = POPpx;
PP(pp_symlink)
{
- djSP; dTARGET;
+ dSP; dTARGET;
#ifdef HAS_SYMLINK
STRLEN n_a;
char *tmps2 = POPpx;
PP(pp_readlink)
{
- djSP; dTARGET;
+ dSP; dTARGET;
#ifdef HAS_SYMLINK
char *tmps;
char buf[MAXPATHLEN];
PP(pp_mkdir)
{
- djSP; dTARGET;
+ dSP; dTARGET;
int mode;
#ifndef HAS_MKDIR
int oldumask;
#endif
- STRLEN n_a;
+ STRLEN len;
char *tmps;
+ bool copy = FALSE;
if (MAXARG > 1)
mode = POPi;
else
mode = 0777;
- tmps = SvPV(TOPs, n_a);
+ tmps = SvPV(TOPs, len);
+ /* Different operating and file systems take differently to
+ * trailing slashes. According to POSIX 1003.1 1996 Edition
+ * any number of trailing slashes should be allowed.
+ * Thusly we snip them away so that even non-conforming
+ * systems are happy. */
+ /* We should probably do this "filtering" for all
+ * the functions that expect (potentially) directory names:
+ * -d, chdir(), chmod(), chown(), chroot(), fcntl()?,
+ * (mkdir()), opendir(), rename(), rmdir(), stat(). --jhi */
+ if (len > 1 && tmps[len-1] == '/') {
+ while (tmps[len] == '/' && len > 1)
+ len--;
+ tmps = savepvn(tmps, len);
+ copy = TRUE;
+ }
TAINT_PROPER("mkdir");
#ifdef HAS_MKDIR
PerlLIO_umask(oldumask);
PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
#endif
+ if (copy)
+ Safefree(tmps);
RETURN;
}
PP(pp_rmdir)
{
- djSP; dTARGET;
+ dSP; dTARGET;
char *tmps;
STRLEN n_a;
PP(pp_open_dir)
{
- djSP;
+ dSP;
#if defined(Direntry_t) && defined(HAS_READDIR)
STRLEN n_a;
char *dirname = POPpx;
PP(pp_readdir)
{
- djSP;
+ dSP;
#if defined(Direntry_t) && defined(HAS_READDIR)
#ifndef I_DIRENT
Direntry_t *readdir (DIR *);
PP(pp_telldir)
{
- djSP; dTARGET;
+ dSP; dTARGET;
#if defined(HAS_TELLDIR) || defined(telldir)
/* XXX does _anyone_ need this? --AD 2/20/1998 */
/* XXX netbsd still seemed to.
PP(pp_seekdir)
{
- djSP;
+ dSP;
#if defined(HAS_SEEKDIR) || defined(seekdir)
long along = POPl;
GV *gv = (GV*)POPs;
PP(pp_rewinddir)
{
- djSP;
+ dSP;
#if defined(HAS_REWINDDIR) || defined(rewinddir)
GV *gv = (GV*)POPs;
register IO *io = GvIOn(gv);
PP(pp_closedir)
{
- djSP;
+ dSP;
#if defined(Direntry_t) && defined(HAS_READDIR)
GV *gv = (GV*)POPs;
register IO *io = GvIOn(gv);
PP(pp_fork)
{
#ifdef HAS_FORK
- djSP; dTARGET;
+ dSP; dTARGET;
Pid_t childpid;
GV *tmpgv;
RETURN;
#else
# if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
- djSP; dTARGET;
+ dSP; dTARGET;
Pid_t childpid;
EXTEND(SP, 1);
PP(pp_wait)
{
-#if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
- djSP; dTARGET;
+#if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
+ dSP; dTARGET;
Pid_t childpid;
int argflags;
childpid = wait4pid(-1, &argflags, 0);
+# if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
+ /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
+ STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
+# else
STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
+# endif
XPUSHi(childpid);
RETURN;
#else
PP(pp_waitpid)
{
-#if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
- djSP; dTARGET;
+#if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
+ dSP; dTARGET;
Pid_t childpid;
int optype;
int argflags;
optype = POPi;
childpid = TOPi;
childpid = wait4pid(childpid, &argflags, optype);
+# if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
+ /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
+ STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
+# else
STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
+# endif
SETi(childpid);
RETURN;
#else
PP(pp_system)
{
- djSP; dMARK; dORIGMARK; dTARGET;
+ dSP; dMARK; dORIGMARK; dTARGET;
I32 value;
Pid_t childpid;
int result;
}
}
PERL_FLUSHALL_FOR_CHILD;
-#if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2) && !defined(__CYGWIN__)
+#if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2) && !defined(__CYGWIN__) || defined(PERL_MICRO)
if (PerlProc_pipe(pp) >= 0)
did_pipes = 1;
while ((childpid = vfork()) == -1) {
if (childpid > 0) {
if (did_pipes)
PerlLIO_close(pp[1]);
+#ifndef PERL_MICRO
rsignal_save(SIGINT, SIG_IGN, &ihand);
rsignal_save(SIGQUIT, SIG_IGN, &qhand);
+#endif
do {
result = wait4pid(childpid, &status, 0);
} while (result == -1 && errno == EINTR);
+#ifndef PERL_MICRO
(void)rsignal_restore(SIGINT, &ihand);
(void)rsignal_restore(SIGQUIT, &qhand);
+#endif
STATUS_NATIVE_SET(result == -1 ? -1 : status);
do_execfree(); /* free any memory child malloced on vfork */
SP = ORIGMARK;
}
PerlProc__exit(-1);
#else /* ! FORK or VMS or OS/2 */
+ PL_statusvalue = 0;
+ result = 0;
if (PL_op->op_flags & OPf_STACKED) {
SV *really = *++MARK;
value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
else {
value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
}
+ if (PL_statusvalue == -1) /* hint that value must be returned as is */
+ result = 1;
STATUS_NATIVE_SET(value);
do_execfree();
SP = ORIGMARK;
- PUSHi(STATUS_CURRENT);
+ PUSHi(result ? value : STATUS_CURRENT);
#endif /* !FORK or VMS */
RETURN;
}
PP(pp_exec)
{
- djSP; dMARK; dORIGMARK; dTARGET;
+ dSP; dMARK; dORIGMARK; dTARGET;
I32 value;
STRLEN n_a;
PP(pp_kill)
{
- djSP; dMARK; dTARGET;
+ dSP; dMARK; dTARGET;
I32 value;
#ifdef HAS_KILL
value = (I32)apply(PL_op->op_type, MARK, SP);
PP(pp_getppid)
{
#ifdef HAS_GETPPID
- djSP; dTARGET;
+ dSP; dTARGET;
XPUSHi( getppid() );
RETURN;
#else
PP(pp_getpgrp)
{
#ifdef HAS_GETPGRP
- djSP; dTARGET;
+ dSP; dTARGET;
Pid_t pid;
Pid_t pgrp;
PP(pp_setpgrp)
{
#ifdef HAS_SETPGRP
- djSP; dTARGET;
+ dSP; dTARGET;
Pid_t pgrp;
Pid_t pid;
if (MAXARG < 2) {
PP(pp_getpriority)
{
- djSP; dTARGET;
+ dSP; dTARGET;
int which;
int who;
#ifdef HAS_GETPRIORITY
PP(pp_setpriority)
{
- djSP; dTARGET;
+ dSP; dTARGET;
int which;
int who;
int niceval;
PP(pp_time)
{
- djSP; dTARGET;
+ dSP; dTARGET;
#ifdef BIG_TIME
XPUSHn( time(Null(Time_t*)) );
#else
PP(pp_tms)
{
- djSP;
+ dSP;
#ifndef HAS_TIMES
DIE(aTHX_ "times not implemented");
PP(pp_gmtime)
{
- djSP;
+ dSP;
Time_t when;
struct tm *tmbuf;
static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
PP(pp_alarm)
{
- djSP; dTARGET;
+ dSP; dTARGET;
int anum;
#ifdef HAS_ALARM
anum = POPi;
PP(pp_sleep)
{
- djSP; dTARGET;
+ dSP; dTARGET;
I32 duration;
Time_t lasttime;
Time_t when;
PP(pp_shmwrite)
{
#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
- djSP; dMARK; dTARGET;
+ dSP; dMARK; dTARGET;
I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
SP = MARK;
PUSHi(value);
PP(pp_msgsnd)
{
#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
- djSP; dMARK; dTARGET;
+ dSP; dMARK; dTARGET;
I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
SP = MARK;
PUSHi(value);
PP(pp_msgrcv)
{
#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
- djSP; dMARK; dTARGET;
+ dSP; dMARK; dTARGET;
I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
SP = MARK;
PUSHi(value);
PP(pp_semget)
{
#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
- djSP; dMARK; dTARGET;
+ dSP; dMARK; dTARGET;
int anum = do_ipcget(PL_op->op_type, MARK, SP);
SP = MARK;
if (anum == -1)
PP(pp_semctl)
{
#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
- djSP; dMARK; dTARGET;
+ dSP; dMARK; dTARGET;
int anum = do_ipcctl(PL_op->op_type, MARK, SP);
SP = MARK;
if (anum == -1)
PP(pp_semop)
{
#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
- djSP; dMARK; dTARGET;
+ dSP; dMARK; dTARGET;
I32 value = (I32)(do_semop(MARK, SP) >= 0);
SP = MARK;
PUSHi(value);
PP(pp_ghostent)
{
- djSP;
+ dSP;
#if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
I32 which = PL_op->op_type;
register char **elem;
EXTEND(SP, 10);
if (which == OP_GHBYNAME)
#ifdef HAS_GETHOSTBYNAME
- hent = PerlSock_gethostbyname(POPpx);
+ hent = PerlSock_gethostbyname(POPpbytex);
#else
DIE(aTHX_ PL_no_sock_func, "gethostbyname");
#endif
int addrtype = POPi;
SV *addrsv = POPs;
STRLEN addrlen;
- Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
+ Netdb_host_t addr = (Netdb_host_t) SvPVbyte(addrsv, addrlen);
hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
#else
PP(pp_gnetent)
{
- djSP;
+ dSP;
#if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
I32 which = PL_op->op_type;
register char **elem;
if (which == OP_GNBYNAME)
#ifdef HAS_GETNETBYNAME
- nent = PerlSock_getnetbyname(POPpx);
+ nent = PerlSock_getnetbyname(POPpbytex);
#else
DIE(aTHX_ PL_no_sock_func, "getnetbyname");
#endif
PP(pp_gprotoent)
{
- djSP;
+ dSP;
#if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
I32 which = PL_op->op_type;
register char **elem;
- register SV *sv;
+ register SV *sv;
#ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
struct protoent *PerlSock_getprotobyname(Netdb_name_t);
struct protoent *PerlSock_getprotobynumber(int);
if (which == OP_GPBYNAME)
#ifdef HAS_GETPROTOBYNAME
- pent = PerlSock_getprotobyname(POPpx);
+ pent = PerlSock_getprotobyname(POPpbytex);
#else
DIE(aTHX_ PL_no_sock_func, "getprotobyname");
#endif
PP(pp_gservent)
{
- djSP;
+ dSP;
#if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
I32 which = PL_op->op_type;
register char **elem;
if (which == OP_GSBYNAME) {
#ifdef HAS_GETSERVBYNAME
- char *proto = POPpx;
- char *name = POPpx;
+ char *proto = POPpbytex;
+ char *name = POPpbytex;
if (proto && !*proto)
proto = Nullch;
}
else if (which == OP_GSBYPORT) {
#ifdef HAS_GETSERVBYPORT
- char *proto = POPpx;
+ char *proto = POPpbytex;
unsigned short port = POPu;
#ifdef HAS_HTONS
PP(pp_shostent)
{
- djSP;
+ dSP;
#ifdef HAS_SETHOSTENT
PerlSock_sethostent(TOPi);
RETSETYES;
PP(pp_snetent)
{
- djSP;
+ dSP;
#ifdef HAS_SETNETENT
PerlSock_setnetent(TOPi);
RETSETYES;
PP(pp_sprotoent)
{
- djSP;
+ dSP;
#ifdef HAS_SETPROTOENT
PerlSock_setprotoent(TOPi);
RETSETYES;
PP(pp_sservent)
{
- djSP;
+ dSP;
#ifdef HAS_SETSERVENT
PerlSock_setservent(TOPi);
RETSETYES;
PP(pp_ehostent)
{
- djSP;
+ dSP;
#ifdef HAS_ENDHOSTENT
PerlSock_endhostent();
EXTEND(SP,1);
PP(pp_enetent)
{
- djSP;
+ dSP;
#ifdef HAS_ENDNETENT
PerlSock_endnetent();
EXTEND(SP,1);
PP(pp_eprotoent)
{
- djSP;
+ dSP;
#ifdef HAS_ENDPROTOENT
PerlSock_endprotoent();
EXTEND(SP,1);
PP(pp_eservent)
{
- djSP;
+ dSP;
#ifdef HAS_ENDSERVENT
PerlSock_endservent();
EXTEND(SP,1);
PP(pp_gpwent)
{
- djSP;
+ dSP;
#ifdef HAS_PASSWD
I32 which = PL_op->op_type;
register SV *sv;
STRLEN n_a;
struct passwd *pwent = NULL;
-/* We do not use HAS_GETSPENT in pp_gpwent() but leave it here in the case
- * somebody wants to write an XS to access the shadow passwords. --jhi */
-# ifdef HAS_GETSPNAM
- struct spwd *spwent = NULL;
-# endif
+ /*
+ * We currently support only the SysV getsp* shadow password interface.
+ * The interface is declared in <shadow.h> and often one needs to link
+ * with -lsecurity or some such.
+ * This interface is used at least by Solaris, HP-UX, IRIX, and Linux.
+ * (and SCO?)
+ *
+ * AIX getpwnam() is clever enough to return the encrypted password
+ * only if the caller (euid?) is root.
+ *
+ * There are at least two other shadow password APIs. Many platforms
+ * seem to contain more than one interface for accessing the shadow
+ * password databases, possibly for compatibility reasons.
+ * The getsp*() is by far he simplest one, the other two interfaces
+ * are much more complicated, but also very similar to each other.
+ *
+ * <sys/types.h>
+ * <sys/security.h>
+ * <prot.h>
+ * struct pr_passwd *getprpw*();
+ * The password is in
+ * char getprpw*(...).ufld.fd_encrypt[]
+ * Mention HAS_GETPRPWNAM here so that Configure probes for it.
+ *
+ * <sys/types.h>
+ * <sys/security.h>
+ * <prot.h>
+ * struct es_passwd *getespw*();
+ * The password is in
+ * char *(getespw*(...).ufld.fd_encrypt)
+ * Mention HAS_GETESPWNAM here so that Configure probes for it.
+ *
+ * Mention I_PROT here so that Configure probes for it.
+ *
+ * In HP-UX for getprpw*() the manual page claims that one should include
+ * <hpsecurity.h> instead of <sys/security.h>, but that is not needed
+ * if one includes <shadow.h> as that includes <hpsecurity.h>,
+ * and pp_sys.c already includes <shadow.h> if there is such.
+ *
+ * Note that <sys/security.h> is already probed for, but currently
+ * it is only included in special cases.
+ *
+ * In Digital UNIX/Tru64 if using the getespw*() (which seems to be
+ * be preferred interface, even though also the getprpw*() interface
+ * is available) one needs to link with -lsecurity -ldb -laud -lm.
+ * One also needs to call set_auth_parameters() in main() before
+ * doing anything else, whether one is using getespw*() or getprpw*().
+ *
+ * Note that accessing the shadow databases can be magnitudes
+ * slower than accessing the standard databases.
+ *
+ * --jhi
+ */
switch (which) {
case OP_GPWNAM:
- pwent = getpwnam(POPpx);
+ pwent = getpwnam(POPpbytex);
break;
case OP_GPWUID:
pwent = getpwuid((Uid_t)POPi);
sv_setpv(sv, pwent->pw_name);
PUSHs(sv = sv_mortalcopy(&PL_sv_no));
+ SvPOK_off(sv);
+ /* If we have getspnam(), we try to dig up the shadow
+ * password. If we are underprivileged, the shadow
+ * interface will set the errno to EACCES or similar,
+ * and return a null pointer. If this happens, we will
+ * use the dummy password (usually "*" or "x") from the
+ * standard password database.
+ *
+ * In theory we could skip the shadow call completely
+ * if euid != 0 but in practice we cannot know which
+ * security measures are guarding the shadow databases
+ * on a random platform.
+ *
+ * Resist the urge to use additional shadow interfaces.
+ * Divert the urge to writing an extension instead.
+ *
+ * --jhi */
# ifdef HAS_GETSPNAM
- spwent = getspnam(pwent->pw_name);
- if (spwent)
- sv_setpv(sv, spwent->sp_pwdp);
- else
+ {
+ struct spwd *spwent;
+ int saverrno; /* Save and restore errno so that
+ * underprivileged attempts seem
+ * to have never made the unsccessful
+ * attempt to retrieve the shadow password. */
+
+ saverrno = errno;
+ spwent = getspnam(pwent->pw_name);
+ errno = saverrno;
+ if (spwent && spwent->sp_pwdp)
+ sv_setpv(sv, spwent->sp_pwdp);
+ }
+# endif
+# ifdef PWPASSWD
+ if (!SvPOK(sv)) /* Use the standard password, then. */
sv_setpv(sv, pwent->pw_passwd);
-# else
- sv_setpv(sv, pwent->pw_passwd);
# endif
+
# ifndef INCOMPLETE_TAINTS
- /* passwd is tainted because user himself can diddle with it. */
+ /* passwd is tainted because user himself can diddle with it.
+ * admittedly not much and in a very limited way, but nevertheless. */
SvTAINTED_on(sv);
# endif
# else
sv_setuv(sv, (UV)pwent->pw_gid);
# endif
- /* pw_change, pw_quota, and pw_age are mutually exclusive. */
+ /* pw_change, pw_quota, and pw_age are mutually exclusive--
+ * because of the poor interface of the Perl getpw*(),
+ * not because there's some standard/convention saying so.
+ * A better interface would have been to return a hash,
+ * but we are accursed by our history, alas. --jhi. */
PUSHs(sv = sv_mortalcopy(&PL_sv_no));
# ifdef PWCHANGE
sv_setiv(sv, (IV)pwent->pw_change);
# endif
# endif
- /* pw_class and pw_comment are mutually exclusive. */
+ /* pw_class and pw_comment are mutually exclusive--.
+ * see the above note for pw_change, pw_quota, and pw_age. */
PUSHs(sv = sv_mortalcopy(&PL_sv_no));
# ifdef PWCLASS
sv_setpv(sv, pwent->pw_class);
PP(pp_spwent)
{
- djSP;
+ dSP;
#if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
setpwent();
-# ifdef HAS_SETSPENT
- setspent();
-# endif
RETPUSHYES;
#else
DIE(aTHX_ PL_no_func, "setpwent");
PP(pp_epwent)
{
- djSP;
+ dSP;
#if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
endpwent();
-# ifdef HAS_ENDSPENT
- endspent();
-# endif
RETPUSHYES;
#else
DIE(aTHX_ PL_no_func, "endpwent");
PP(pp_ggrent)
{
- djSP;
+ dSP;
#ifdef HAS_GROUP
I32 which = PL_op->op_type;
register char **elem;
STRLEN n_a;
if (which == OP_GGRNAM)
- grent = (struct group *)getgrnam(POPpx);
+ grent = (struct group *)getgrnam(POPpbytex);
else if (which == OP_GGRGID)
grent = (struct group *)getgrgid(POPi);
else
PP(pp_sgrent)
{
- djSP;
+ dSP;
#if defined(HAS_GROUP) && defined(HAS_SETGRENT)
setgrent();
RETPUSHYES;
PP(pp_egrent)
{
- djSP;
+ dSP;
#if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
endgrent();
RETPUSHYES;
PP(pp_getlogin)
{
- djSP; dTARGET;
+ dSP; dTARGET;
#ifdef HAS_GETLOGIN
char *tmps;
EXTEND(SP, 1);
PP(pp_syscall)
{
#ifdef HAS_SYSCALL
- djSP; dMARK; dORIGMARK; dTARGET;
+ dSP; dMARK; dORIGMARK; dTARGET;
register I32 items = SP - MARK;
unsigned long a[20];
register I32 i = 0;
a[i++] = SvIV(*MARK);
else if (*MARK == &PL_sv_undef)
a[i++] = 0;
- else
+ else
a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
if (i > 15)
break;
}
#ifdef FCNTL_EMULATE_FLOCK
-
+
/* XXX Emulate flock() with fcntl().
What's really needed is a good file locking module.
*/
fcntl_emulate_flock(int fd, int operation)
{
struct flock flock;
-
+
switch (operation & ~LOCK_NB) {
case LOCK_SH:
flock.l_type = F_RDLCK;
}
flock.l_whence = SEEK_SET;
flock.l_start = flock.l_len = (Off_t)0;
-
+
return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
}
https://perl5.git.perl.org / perl5.git / blobdiff