3 * Copyright (c) 1991-2001, Larry Wall
5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
11 * But only a short way ahead its floor and the walls on either side were
12 * cloven by a great fissure, out of which the red glare came, now leaping
13 * up, now dying down into darkness; and all the while far below there was
14 * a rumour and a trouble as of great engines throbbing and labouring.
18 #define PERL_IN_PP_SYS_C
22 /* Shadow password support for solaris - pdo@cs.umd.edu
23 * Not just Solaris: at least HP-UX, IRIX, Linux.
24 * The API is from SysV.
26 * There are at least two more shadow interfaces,
27 * see the comments in pp_gpwent().
31 /* There is a MAXINT coming from <shadow.h> <- <hpsecurity.h> <- <values.h>
32 * and another MAXINT from "perl.h" <- <sys/param.h>. */
40 extern "C" int syscall(unsigned long,...);
45 # include <sys/wait.h>
49 # include <sys/resource.h>
58 # include <sys/select.h>
62 /* XXX Configure test needed.
63 h_errno might not be a simple 'int', especially for multi-threaded
64 applications, see "extern int errno in perl.h". Creating such
65 a test requires taking into account the differences between
66 compiling multithreaded and singlethreaded ($ccflags et al).
67 HOST_NOT_FOUND is typically defined in <netdb.h>.
69 #if defined(HOST_NOT_FOUND) && !defined(h_errno) && !defined(__CYGWIN__)
78 struct passwd *getpwnam (char *);
79 struct passwd *getpwuid (Uid_t);
83 struct passwd *getpwent (void);
91 struct group *getgrnam (char *);
92 struct group *getgrgid (Gid_t);
95 struct group *getgrent (void);
100 # if defined(_MSC_VER) || defined(__MINGW32__)
101 # include <sys/utime.h>
108 # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
111 # define my_chsize PerlLIO_chsize
116 #else /* no flock() */
118 /* fcntl.h might not have been included, even if it exists, because
119 the current Configure only sets I_FCNTL if it's needed to pick up
120 the *_OK constants. Make sure it has been included before testing
121 the fcntl() locking constants. */
122 # if defined(HAS_FCNTL) && !defined(I_FCNTL)
126 # if defined(HAS_FCNTL) && defined(FCNTL_CAN_LOCK)
127 # define FLOCK fcntl_emulate_flock
128 # define FCNTL_EMULATE_FLOCK
129 # else /* no flock() or fcntl(F_SETLK,...) */
131 # define FLOCK lockf_emulate_flock
132 # define LOCKF_EMULATE_FLOCK
134 # endif /* no flock() or fcntl(F_SETLK,...) */
137 static int FLOCK (int, int);
140 * These are the flock() constants. Since this sytems doesn't have
141 * flock(), the values of the constants are probably not available.
155 # endif /* emulating flock() */
157 #endif /* no flock() */
160 static char zero_but_true[ZBTLEN + 1] = "0 but true";
162 #if defined(I_SYS_ACCESS) && !defined(R_OK)
163 # include <sys/access.h>
166 #if defined(HAS_FCNTL) && defined(F_SETFD) && !defined(FD_CLOEXEC)
167 # define FD_CLOEXEC 1 /* NeXT needs this */
170 #undef PERL_EFF_ACCESS_R_OK /* EFFective uid/gid ACCESS R_OK */
171 #undef PERL_EFF_ACCESS_W_OK
172 #undef PERL_EFF_ACCESS_X_OK
174 /* F_OK unused: if stat() cannot find it... */
176 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) && defined(EFF_ONLY_OK) && !defined(NO_EFF_ONLY_OK)
177 /* Digital UNIX (when the EFF_ONLY_OK gets fixed), UnixWare */
178 # define PERL_EFF_ACCESS_R_OK(p) (access((p), R_OK | EFF_ONLY_OK))
179 # define PERL_EFF_ACCESS_W_OK(p) (access((p), W_OK | EFF_ONLY_OK))
180 # define PERL_EFF_ACCESS_X_OK(p) (access((p), X_OK | EFF_ONLY_OK))
183 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_EACCESS)
184 # ifdef I_SYS_SECURITY
185 # include <sys/security.h>
189 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK, ACC_SELF))
190 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK, ACC_SELF))
191 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK, ACC_SELF))
194 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK))
195 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK))
196 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK))
200 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESSX) && defined(ACC_SELF)
202 # define PERL_EFF_ACCESS_R_OK(p) (accessx((p), R_OK, ACC_SELF))
203 # define PERL_EFF_ACCESS_W_OK(p) (accessx((p), W_OK, ACC_SELF))
204 # define PERL_EFF_ACCESS_X_OK(p) (accessx((p), X_OK, ACC_SELF))
207 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) \
208 && (defined(HAS_SETREUID) || defined(HAS_SETRESUID) \
209 || defined(HAS_SETREGID) || defined(HAS_SETRESGID))
212 S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
214 Uid_t ruid = getuid();
215 Uid_t euid = geteuid();
216 Gid_t rgid = getgid();
217 Gid_t egid = getegid();
221 #if !defined(HAS_SETREUID) && !defined(HAS_SETRESUID)
222 Perl_croak(aTHX_ "switching effective uid is not implemented");
225 if (setreuid(euid, ruid))
228 if (setresuid(euid, ruid, (Uid_t)-1))
231 Perl_croak(aTHX_ "entering effective uid failed");
234 #if !defined(HAS_SETREGID) && !defined(HAS_SETRESGID)
235 Perl_croak(aTHX_ "switching effective gid is not implemented");
238 if (setregid(egid, rgid))
241 if (setresgid(egid, rgid, (Gid_t)-1))
244 Perl_croak(aTHX_ "entering effective gid failed");
247 res = access(path, mode);
250 if (setreuid(ruid, euid))
253 if (setresuid(ruid, euid, (Uid_t)-1))
256 Perl_croak(aTHX_ "leaving effective uid failed");
259 if (setregid(rgid, egid))
262 if (setresgid(rgid, egid, (Gid_t)-1))
265 Perl_croak(aTHX_ "leaving effective gid failed");
270 # define PERL_EFF_ACCESS_R_OK(p) (emulate_eaccess((p), R_OK))
271 # define PERL_EFF_ACCESS_W_OK(p) (emulate_eaccess((p), W_OK))
272 # define PERL_EFF_ACCESS_X_OK(p) (emulate_eaccess((p), X_OK))
275 #if !defined(PERL_EFF_ACCESS_R_OK)
276 /* With it or without it: anyway you get a warning: either that
277 it is unused, or it is declared static and never defined.
280 S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
282 Perl_croak(aTHX_ "switching effective uid is not implemented");
298 if (PL_op->op_private & OPpOPEN_IN_RAW)
300 else if (PL_op->op_private & OPpOPEN_IN_CRLF)
302 fp = PerlProc_popen(tmps, mode);
305 if (PL_curcop->cop_io) {
306 type = SvPV_nolen(PL_curcop->cop_io);
309 PerlIO_apply_layers(aTHX_ fp,mode,type);
311 if (gimme == G_VOID) {
313 while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
317 else if (gimme == G_SCALAR) {
318 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
319 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
330 if (sv_gets(sv, fp, 0) == Nullch) {
334 XPUSHs(sv_2mortal(sv));
335 if (SvLEN(sv) - SvCUR(sv) > 20) {
336 SvLEN_set(sv, SvCUR(sv)+1);
337 Renew(SvPVX(sv), SvLEN(sv), char);
342 STATUS_NATIVE_SET(PerlProc_pclose(fp));
343 TAINT; /* "I believe that this is not gratuitous!" */
346 STATUS_NATIVE_SET(-1);
347 if (gimme == G_SCALAR)
357 tryAMAGICunTARGET(iter, -1);
359 /* Note that we only ever get here if File::Glob fails to load
360 * without at the same time croaking, for some reason, or if
361 * perl was built with PERL_EXTERNAL_GLOB */
368 * The external globbing program may use things we can't control,
369 * so for security reasons we must assume the worst.
372 taint_proper(PL_no_security, "glob");
376 SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */
377 PL_last_in_gv = (GV*)*PL_stack_sp--;
379 SAVESPTR(PL_rs); /* This is not permanent, either. */
380 PL_rs = sv_2mortal(newSVpvn("\000", 1));
383 *SvPVX(PL_rs) = '\n';
387 result = do_readline();
394 PL_last_in_gv = cGVOP_gv;
395 return do_readline();
404 if (SP - MARK != 1) {
406 do_join(TARG, &PL_sv_no, MARK, SP);
413 tmps = SvPV(tmpsv, len);
416 (void)SvUPGRADE(error, SVt_PV);
417 if (SvPOK(error) && SvCUR(error))
418 sv_catpv(error, "\t...caught");
420 tmps = SvPV(tmpsv, len);
423 tmpsv = sv_2mortal(newSVpvn("Warning: something's wrong", 26));
425 Perl_warn(aTHX_ "%"SVf, tmpsv);
437 VMSISH_HUSHED = VMSISH_HUSHED || (PL_op->op_private & OPpHUSH_VMSISH);
439 if (SP - MARK != 1) {
441 do_join(TARG, &PL_sv_no, MARK, SP);
443 tmps = SvPV(tmpsv, len);
449 tmps = (SvROK(tmpsv) && PL_in_eval) ? Nullch : SvPV(tmpsv, len);
453 (void)SvUPGRADE(error, SVt_PV);
454 if (multiarg ? SvROK(error) : SvROK(tmpsv)) {
456 SvSetSV(error,tmpsv);
457 else if (sv_isobject(error)) {
458 HV *stash = SvSTASH(SvRV(error));
459 GV *gv = gv_fetchmethod(stash, "PROPAGATE");
461 SV *file = sv_2mortal(newSVpv(CopFILE(PL_curcop),0));
462 SV *line = sv_2mortal(newSVuv(CopLINE(PL_curcop)));
469 call_sv((SV*)GvCV(gv),
470 G_SCALAR|G_EVAL|G_KEEPERR);
471 sv_setsv(error,*PL_stack_sp--);
474 DIE(aTHX_ Nullformat);
477 if (SvPOK(error) && SvCUR(error))
478 sv_catpv(error, "\t...propagated");
480 tmps = SvPV(tmpsv, len);
484 tmpsv = sv_2mortal(newSVpvn("Died", 4));
486 DIE(aTHX_ "%"SVf, tmpsv);
506 DIE(aTHX_ PL_no_usym, "filehandle");
507 if ((io = GvIOp(gv)))
508 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
510 if (io && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) {
511 /* Method's args are same as ours ... */
512 /* ... except handle is replaced by the object */
513 *MARK-- = SvTIED_obj((SV*)io, mg);
517 call_method("OPEN", G_SCALAR);
530 tmps = SvPV(sv, len);
531 ok = do_openn(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp, MARK+1, (SP-MARK));
534 PUSHi( (I32)PL_forkprocess );
535 else if (PL_forkprocess == 0) /* we are a new child */
554 if (gv && (io = GvIO(gv))
555 && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
558 XPUSHs(SvTIED_obj((SV*)io, mg));
561 call_method("CLOSE", G_SCALAR);
567 PUSHs(boolSV(do_close(gv, TRUE)));
587 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
588 DIE(aTHX_ PL_no_usym, "filehandle");
593 do_close(rgv, FALSE);
595 do_close(wgv, FALSE);
597 if (PerlProc_pipe(fd) < 0)
600 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
601 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
602 IoIFP(wstio) = IoOFP(wstio);
603 IoTYPE(rstio) = IoTYPE_RDONLY;
604 IoTYPE(wstio) = IoTYPE_WRONLY;
606 if (!IoIFP(rstio) || !IoOFP(wstio)) {
607 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
608 else PerlLIO_close(fd[0]);
609 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
610 else PerlLIO_close(fd[1]);
613 #if defined(HAS_FCNTL) && defined(F_SETFD)
614 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
615 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
622 DIE(aTHX_ PL_no_func, "pipe");
638 if (gv && (io = GvIO(gv))
639 && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
642 XPUSHs(SvTIED_obj((SV*)io, mg));
645 call_method("FILENO", G_SCALAR);
651 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io))) {
652 /* Can't do this because people seem to do things like
653 defined(fileno($foo)) to check whether $foo is a valid fh.
654 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
655 report_evil_fh(gv, io, PL_op->op_type);
660 PUSHi(PerlIO_fileno(fp));
671 anum = PerlLIO_umask(0);
672 (void)PerlLIO_umask(anum);
675 anum = PerlLIO_umask(POPi);
676 TAINT_PROPER("umask");
679 /* Only DIE if trying to restrict permissions on `user' (self).
680 * Otherwise it's harmless and more useful to just return undef
681 * since 'group' and 'other' concepts probably don't exist here. */
682 if (MAXARG >= 1 && (POPi & 0700))
683 DIE(aTHX_ "umask not implemented");
684 XPUSHs(&PL_sv_undef);
706 if (gv && (io = GvIO(gv))
707 && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
710 XPUSHs(SvTIED_obj((SV*)io, mg));
715 call_method("BINMODE", G_SCALAR);
722 if (!(io = GvIO(gv)) || !(fp = IoIFP(io))) {
723 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
724 report_evil_fh(gv, io, PL_op->op_type);
728 if (PerlIO_binmode(aTHX_ fp,IoTYPE(io),mode_from_discipline(discp),
729 (discp) ? SvPV_nolen(discp) : Nullch))
743 I32 markoff = MARK - PL_stack_base;
745 int how = PERL_MAGIC_tied;
750 switch(SvTYPE(varsv)) {
752 methname = "TIEHASH";
753 HvEITER((HV *)varsv) = Null(HE *);
756 methname = "TIEARRAY";
759 #ifdef GV_UNIQUE_CHECK
760 if (GvUNIQUE((GV*)varsv)) {
761 Perl_croak(aTHX_ "Attempt to tie unique GV");
764 methname = "TIEHANDLE";
765 how = PERL_MAGIC_tiedscalar;
766 /* For tied filehandles, we apply tiedscalar magic to the IO
767 slot of the GP rather than the GV itself. AMS 20010812 */
769 GvIOp(varsv) = newIO();
770 varsv = (SV *)GvIOp(varsv);
773 methname = "TIESCALAR";
774 how = PERL_MAGIC_tiedscalar;
778 if (sv_isobject(*MARK)) {
780 PUSHSTACKi(PERLSI_MAGIC);
786 call_method(methname, G_SCALAR);
789 /* Not clear why we don't call call_method here too.
790 * perhaps to get different error message ?
792 stash = gv_stashsv(*MARK, FALSE);
793 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
794 DIE(aTHX_ "Can't locate object method \"%s\" via package \"%s\"",
795 methname, SvPV(*MARK,n_a));
798 PUSHSTACKi(PERLSI_MAGIC);
804 call_sv((SV*)GvCV(gv), G_SCALAR);
810 if (sv_isobject(sv)) {
811 sv_unmagic(varsv, how);
812 /* Croak if a self-tie on an aggregate is attempted. */
813 if (varsv == SvRV(sv) &&
814 (SvTYPE(sv) == SVt_PVAV ||
815 SvTYPE(sv) == SVt_PVHV))
817 "Self-ties of arrays and hashes are not supported");
818 sv_magic(varsv, sv, how, Nullch, 0);
821 SP = PL_stack_base + markoff;
831 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
832 ? PERL_MAGIC_tied : PERL_MAGIC_tiedscalar;
834 if (SvTYPE(sv) == SVt_PVGV && !(sv = (SV *)GvIOp(sv)))
837 if ((mg = SvTIED_mg(sv, how))) {
838 SV *obj = SvRV(mg->mg_obj);
841 if ((gv = gv_fetchmethod_autoload(SvSTASH(obj), "UNTIE", FALSE)) &&
842 isGV(gv) && (cv = GvCV(gv))) {
844 XPUSHs(SvTIED_obj((SV*)gv, mg));
845 XPUSHs(sv_2mortal(newSViv(SvREFCNT(obj)-1)));
848 call_sv((SV *)cv, G_VOID);
852 else if (ckWARN(WARN_UNTIE)) {
853 if (mg && SvREFCNT(obj) > 1)
854 Perl_warner(aTHX_ WARN_UNTIE,
855 "untie attempted while %"UVuf" inner references still exist",
856 (UV)SvREFCNT(obj) - 1 ) ;
868 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
869 ? PERL_MAGIC_tied : PERL_MAGIC_tiedscalar;
871 if (SvTYPE(sv) == SVt_PVGV && !(sv = (SV *)GvIOp(sv)))
874 if ((mg = SvTIED_mg(sv, how))) {
875 SV *osv = SvTIED_obj(sv, mg);
876 if (osv == mg->mg_obj)
877 osv = sv_mortalcopy(osv);
895 sv = sv_mortalcopy(&PL_sv_no);
896 sv_setpv(sv, "AnyDBM_File");
897 stash = gv_stashsv(sv, FALSE);
898 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
900 require_pv("AnyDBM_File.pm");
902 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
903 DIE(aTHX_ "No dbm on this machine");
913 PUSHs(sv_2mortal(newSVuv(O_RDWR|O_CREAT)));
915 PUSHs(sv_2mortal(newSVuv(O_RDWR)));
918 call_sv((SV*)GvCV(gv), G_SCALAR);
921 if (!sv_isobject(TOPs)) {
926 PUSHs(sv_2mortal(newSVuv(O_RDONLY)));
929 call_sv((SV*)GvCV(gv), G_SCALAR);
933 if (sv_isobject(TOPs)) {
934 sv_unmagic((SV *) hv, PERL_MAGIC_tied);
935 sv_magic((SV*)hv, TOPs, PERL_MAGIC_tied, Nullch, 0);
957 struct timeval timebuf;
958 struct timeval *tbuf = &timebuf;
962 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
967 # if BYTEORDER & 0xf0000
968 # define ORDERBYTE (0x88888888 - BYTEORDER)
970 # define ORDERBYTE (0x4444 - BYTEORDER)
976 for (i = 1; i <= 3; i++) {
984 /* little endians can use vecs directly */
985 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
986 # if SELECT_MIN_BITS > 1
987 /* If SELECT_MIN_BITS is greater than one we most probably will want
988 * to align the sizes with SELECT_MIN_BITS/8 because for example
989 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
990 * UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates
991 * on (sets/tests/clears bits) is 32 bits. */
992 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
994 growsize = sizeof(fd_set);
1003 masksize = NFDBITS / NBBY;
1005 masksize = sizeof(long); /* documented int, everyone seems to use long */
1007 growsize = maxlen + (masksize - (maxlen % masksize));
1008 Zero(&fd_sets[0], 4, char*);
1016 timebuf.tv_sec = (long)value;
1017 value -= (NV)timebuf.tv_sec;
1018 timebuf.tv_usec = (long)(value * 1000000.0);
1021 tbuf = Null(struct timeval*);
1023 for (i = 1; i <= 3; i++) {
1029 else if (!SvPOK(sv))
1030 SvPV_force(sv,n_a); /* force string conversion */
1033 Sv_Grow(sv, growsize);
1037 while (++j <= growsize) {
1041 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1043 New(403, fd_sets[i], growsize, char);
1044 for (offset = 0; offset < growsize; offset += masksize) {
1045 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1046 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1049 fd_sets[i] = SvPVX(sv);
1053 nfound = PerlSock_select(
1055 (Select_fd_set_t) fd_sets[1],
1056 (Select_fd_set_t) fd_sets[2],
1057 (Select_fd_set_t) fd_sets[3],
1059 for (i = 1; i <= 3; i++) {
1062 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1064 for (offset = 0; offset < growsize; offset += masksize) {
1065 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1066 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1068 Safefree(fd_sets[i]);
1075 if (GIMME == G_ARRAY && tbuf) {
1076 value = (NV)(timebuf.tv_sec) +
1077 (NV)(timebuf.tv_usec) / 1000000.0;
1078 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1079 sv_setnv(sv, value);
1083 DIE(aTHX_ "select not implemented");
1088 Perl_setdefout(pTHX_ GV *gv)
1091 (void)SvREFCNT_inc(gv);
1093 SvREFCNT_dec(PL_defoutgv);
1100 GV *newdefout, *egv;
1103 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1105 egv = GvEGV(PL_defoutgv);
1110 XPUSHs(&PL_sv_undef);
1112 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1113 if (gvp && *gvp == egv) {
1114 gv_efullname4(TARG, PL_defoutgv, Nullch, TRUE);
1118 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1123 if (!GvIO(newdefout))
1124 gv_IOadd(newdefout);
1125 setdefout(newdefout);
1143 if (gv && (io = GvIO(gv))
1144 && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
1146 I32 gimme = GIMME_V;
1148 XPUSHs(SvTIED_obj((SV*)io, mg));
1151 call_method("GETC", gimme);
1154 if (gimme == G_SCALAR)
1155 SvSetMagicSV_nosteal(TARG, TOPs);
1158 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1161 sv_setpv(TARG, " ");
1162 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1163 if (PerlIO_isutf8(IoIFP(GvIOp(gv)))) {
1164 /* Find out how many bytes the char needs */
1165 Size_t len = UTF8SKIP(SvPVX(TARG));
1168 len = PerlIO_read(IoIFP(GvIOp(gv)),SvPVX(TARG)+1,len-1);
1169 SvCUR_set(TARG,1+len);
1179 return pp_sysread();
1183 S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
1185 register PERL_CONTEXT *cx;
1186 I32 gimme = GIMME_V;
1187 AV* padlist = CvPADLIST(cv);
1188 SV** svp = AvARRAY(padlist);
1194 PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp);
1196 SAVEVPTR(PL_curpad);
1197 PL_curpad = AvARRAY((AV*)svp[1]);
1199 setdefout(gv); /* locally select filehandle so $% et al work */
1232 SV *tmpsv = sv_newmortal();
1233 gv_efullname4(tmpsv, fgv, Nullch, FALSE);
1234 name = SvPV_nolen(tmpsv);
1237 DIE(aTHX_ "Undefined format \"%s\" called", name);
1238 DIE(aTHX_ "Not a format reference");
1241 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1243 IoFLAGS(io) &= ~IOf_DIDTOP;
1244 return doform(cv,gv,PL_op->op_next);
1250 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1251 register IO *io = GvIOp(gv);
1252 PerlIO *ofp = IoOFP(io);
1256 register PERL_CONTEXT *cx;
1258 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1259 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1262 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1263 PL_formtarget != PL_toptarget)
1267 if (!IoTOP_GV(io)) {
1271 if (!IoTOP_NAME(io)) {
1272 if (!IoFMT_NAME(io))
1273 IoFMT_NAME(io) = savepv(GvNAME(gv));
1274 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
1275 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1276 if ((topgv && GvFORM(topgv)) ||
1277 !gv_fetchpv("top",FALSE,SVt_PVFM))
1278 IoTOP_NAME(io) = savepv(SvPVX(topname));
1280 IoTOP_NAME(io) = savepv("top");
1282 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1283 if (!topgv || !GvFORM(topgv)) {
1284 IoLINES_LEFT(io) = 100000000;
1287 IoTOP_GV(io) = topgv;
1289 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1290 I32 lines = IoLINES_LEFT(io);
1291 char *s = SvPVX(PL_formtarget);
1292 if (lines <= 0) /* Yow, header didn't even fit!!! */
1294 while (lines-- > 0) {
1295 s = strchr(s, '\n');
1301 STRLEN save = SvCUR(PL_formtarget);
1302 SvCUR_set(PL_formtarget, s - SvPVX(PL_formtarget));
1303 do_print(PL_formtarget, ofp);
1304 SvCUR_set(PL_formtarget, save);
1305 sv_chop(PL_formtarget, s);
1306 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1309 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1310 do_print(PL_formfeed, ofp);
1311 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1313 PL_formtarget = PL_toptarget;
1314 IoFLAGS(io) |= IOf_DIDTOP;
1317 DIE(aTHX_ "bad top format reference");
1322 SV *sv = sv_newmortal();
1323 gv_efullname4(sv, fgv, Nullch, FALSE);
1324 name = SvPV_nolen(sv);
1327 DIE(aTHX_ "Undefined top format \"%s\" called",name);
1330 DIE(aTHX_ "Undefined top format called");
1334 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1335 return doform(cv,gv,PL_op);
1339 POPBLOCK(cx,PL_curpm);
1345 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1347 /* integrate with report_evil_fh()? */
1350 SV* sv = sv_newmortal();
1351 gv_efullname4(sv, gv, Nullch, FALSE);
1352 name = SvPV_nolen(sv);
1355 Perl_warner(aTHX_ WARN_IO,
1356 "Filehandle %s opened only for input", name);
1358 Perl_warner(aTHX_ WARN_IO,
1359 "Filehandle opened only for input");
1361 else if (ckWARN(WARN_CLOSED))
1362 report_evil_fh(gv, io, PL_op->op_type);
1367 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1368 if (ckWARN(WARN_IO))
1369 Perl_warner(aTHX_ WARN_IO, "page overflow");
1371 if (!do_print(PL_formtarget, fp))
1374 FmLINES(PL_formtarget) = 0;
1375 SvCUR_set(PL_formtarget, 0);
1376 *SvEND(PL_formtarget) = '\0';
1377 if (IoFLAGS(io) & IOf_FLUSH)
1378 (void)PerlIO_flush(fp);
1383 PL_formtarget = PL_bodytarget;
1385 return pop_return();
1390 dSP; dMARK; dORIGMARK;
1397 if (PL_op->op_flags & OPf_STACKED)
1402 if (gv && (io = GvIO(gv))
1403 && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
1405 if (MARK == ORIGMARK) {
1408 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1412 *MARK = SvTIED_obj((SV*)io, mg);
1415 call_method("PRINTF", G_SCALAR);
1418 MARK = ORIGMARK + 1;
1425 if (!(io = GvIO(gv))) {
1426 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
1427 report_evil_fh(gv, io, PL_op->op_type);
1428 SETERRNO(EBADF,RMS$_IFI);
1431 else if (!(fp = IoOFP(io))) {
1432 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1433 /* integrate with report_evil_fh()? */
1437 gv_efullname4(sv, gv, Nullch, FALSE);
1438 name = SvPV_nolen(sv);
1441 Perl_warner(aTHX_ WARN_IO,
1442 "Filehandle %s opened only for input", name);
1444 Perl_warner(aTHX_ WARN_IO,
1445 "Filehandle opened only for input");
1447 else if (ckWARN(WARN_CLOSED))
1448 report_evil_fh(gv, io, PL_op->op_type);
1450 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1454 do_sprintf(sv, SP - MARK, MARK + 1);
1455 if (!do_print(sv, fp))
1458 if (IoFLAGS(io) & IOf_FLUSH)
1459 if (PerlIO_flush(fp) == EOF)
1470 PUSHs(&PL_sv_undef);
1491 /* Need TIEHANDLE method ? */
1493 tmps = SvPV(sv, len);
1494 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1495 IoLINES(GvIOp(gv)) = 0;
1499 PUSHs(&PL_sv_undef);
1506 dSP; dMARK; dORIGMARK; dTARGET;
1513 Sock_size_t bufsize;
1520 bool charstart = FALSE;
1521 STRLEN charskip = 0;
1525 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD)
1526 && gv && (io = GvIO(gv))
1527 && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
1532 *MARK = SvTIED_obj((SV*)io, mg);
1534 call_method("READ", G_SCALAR);
1547 sv_setpvn(bufsv, "", 0);
1548 length = SvIVx(*++MARK);
1551 offset = SvIVx(*++MARK);
1555 if (!io || !IoIFP(io))
1557 if ((fp_utf8 = PerlIO_isutf8(IoIFP(io))) && !IN_BYTES) {
1558 buffer = SvPVutf8_force(bufsv, blen);
1559 /* UTF8 may not have been set if they are all low bytes */
1563 buffer = SvPV_force(bufsv, blen);
1566 DIE(aTHX_ "Negative length");
1574 if (PL_op->op_type == OP_RECV) {
1575 char namebuf[MAXPATHLEN];
1576 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1577 bufsize = sizeof (struct sockaddr_in);
1579 bufsize = sizeof namebuf;
1581 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1585 buffer = SvGROW(bufsv, length+1);
1586 /* 'offset' means 'flags' here */
1587 count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1588 (struct sockaddr *)namebuf, &bufsize);
1592 /* Bogus return without padding */
1593 bufsize = sizeof (struct sockaddr_in);
1595 SvCUR_set(bufsv, count);
1596 *SvEND(bufsv) = '\0';
1597 (void)SvPOK_only(bufsv);
1601 /* This should not be marked tainted if the fp is marked clean */
1602 if (!(IoFLAGS(io) & IOf_UNTAINT))
1603 SvTAINTED_on(bufsv);
1605 sv_setpvn(TARG, namebuf, bufsize);
1610 if (PL_op->op_type == OP_RECV)
1611 DIE(aTHX_ PL_no_sock_func, "recv");
1613 if (DO_UTF8(bufsv)) {
1614 /* offset adjust in characters not bytes */
1615 blen = sv_len_utf8(bufsv);
1619 DIE(aTHX_ "Offset outside string");
1622 if (DO_UTF8(bufsv)) {
1623 /* convert offset-as-chars to offset-as-bytes */
1624 offset = utf8_hop((U8 *)buffer,offset) - (U8 *) buffer;
1627 bufsize = SvCUR(bufsv);
1628 buffer = SvGROW(bufsv, length+offset+1);
1629 if (offset > bufsize) { /* Zero any newly allocated space */
1630 Zero(buffer+bufsize, offset-bufsize, char);
1632 buffer = buffer + offset;
1634 if (PL_op->op_type == OP_SYSREAD) {
1635 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1636 if (IoTYPE(io) == IoTYPE_SOCKET) {
1637 count = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1643 count = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1648 #ifdef HAS_SOCKET__bad_code_maybe
1649 if (IoTYPE(io) == IoTYPE_SOCKET) {
1650 char namebuf[MAXPATHLEN];
1651 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1652 bufsize = sizeof (struct sockaddr_in);
1654 bufsize = sizeof namebuf;
1656 count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, 0,
1657 (struct sockaddr *)namebuf, &bufsize);
1662 count = PerlIO_read(IoIFP(io), buffer, length);
1663 /* PerlIO_read() - like fread() returns 0 on both error and EOF */
1664 if (count == 0 && PerlIO_error(IoIFP(io)))
1668 if ((IoTYPE(io) == IoTYPE_WRONLY) && ckWARN(WARN_IO))
1670 /* integrate with report_evil_fh()? */
1673 SV* sv = sv_newmortal();
1674 gv_efullname4(sv, gv, Nullch, FALSE);
1675 name = SvPV_nolen(sv);
1678 Perl_warner(aTHX_ WARN_IO,
1679 "Filehandle %s opened only for output", name);
1681 Perl_warner(aTHX_ WARN_IO,
1682 "Filehandle opened only for output");
1686 SvCUR_set(bufsv, count+(buffer - SvPVX(bufsv)));
1687 *SvEND(bufsv) = '\0';
1688 (void)SvPOK_only(bufsv);
1689 if (fp_utf8 && !IN_BYTES) {
1690 /* Look at utf8 we got back and count the characters */
1691 char *bend = buffer + count;
1692 while (buffer < bend) {
1694 skip = UTF8SKIP(buffer);
1697 if (buffer - charskip + skip > bend) {
1698 /* partial character - try for rest of it */
1699 length = skip - (bend-buffer);
1700 offset = bend - SvPVX(bufsv);
1712 /* If we have not 'got' the number of _characters_ we 'wanted' get some more
1713 provided amount read (count) was what was requested (length)
1715 if (got < wanted && count == length) {
1716 length = wanted - got;
1717 offset = bend - SvPVX(bufsv);
1720 /* return value is character count */
1725 /* This should not be marked tainted if the fp is marked clean */
1726 if (!(IoFLAGS(io) & IOf_UNTAINT))
1727 SvTAINTED_on(bufsv);
1740 int items = (SP - PL_stack_base) - TOPMARK;
1744 sv = sv_2mortal(newSViv(sv_len(*SP)));
1753 dSP; dMARK; dORIGMARK; dTARGET;
1764 if (PL_op->op_type == OP_SYSWRITE
1765 && gv && (io = GvIO(gv))
1766 && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
1771 *MARK = SvTIED_obj((SV*)io, mg);
1773 call_method("WRITE", G_SCALAR);
1784 #if Size_t_size > IVSIZE
1785 length = (Size_t)SvNVx(*++MARK);
1787 length = (Size_t)SvIVx(*++MARK);
1789 if ((SSize_t)length < 0)
1790 DIE(aTHX_ "Negative length");
1793 if (!io || !IoIFP(io)) {
1795 if (ckWARN(WARN_CLOSED))
1796 report_evil_fh(gv, io, PL_op->op_type);
1800 if (PerlIO_isutf8(IoIFP(io))) {
1801 buffer = SvPVutf8(bufsv, blen);
1805 sv_utf8_downgrade(bufsv, FALSE);
1806 buffer = SvPV(bufsv, blen);
1809 if (PL_op->op_type == OP_SYSWRITE) {
1811 if (DO_UTF8(bufsv)) {
1812 /* length and offset are in chars */
1813 blen = sv_len_utf8(bufsv);
1816 offset = SvIVx(*++MARK);
1819 DIE(aTHX_ "Offset outside string");
1821 } else if (offset >= blen && blen > 0)
1822 DIE(aTHX_ "Offset outside string");
1825 if (length > blen - offset)
1826 length = blen - offset;
1827 if (DO_UTF8(bufsv)) {
1828 buffer = (char*)utf8_hop((U8 *)buffer, offset);
1829 length = utf8_hop((U8 *)buffer, length) - (U8 *)buffer;
1832 buffer = buffer+offset;
1834 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1835 if (IoTYPE(io) == IoTYPE_SOCKET) {
1836 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1842 /* See the note at doio.c:do_print about filesize limits. --jhi */
1843 retval = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1848 else if (SP > MARK) {
1851 sockbuf = SvPVx(*++MARK, mlen);
1852 /* length is really flags */
1853 retval = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen,
1854 length, (struct sockaddr *)sockbuf, mlen);
1857 /* length is really flags */
1858 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1861 DIE(aTHX_ PL_no_sock_func, "send");
1866 #if Size_t_size > IVSIZE
1880 return pp_sysread();
1891 if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */
1893 gv = PL_last_in_gv = PL_argvgv;
1895 if (io && !IoIFP(io)) {
1896 if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) {
1898 IoFLAGS(io) &= ~IOf_START;
1899 do_open(gv, "-", 1, FALSE, O_RDONLY, 0, Nullfp);
1900 sv_setpvn(GvSV(gv), "-", 1);
1901 SvSETMAGIC(GvSV(gv));
1903 else if (!nextargv(gv))
1908 gv = PL_last_in_gv; /* eof */
1911 gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */
1913 if (gv && (io = GvIO(gv))
1914 && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
1917 XPUSHs(SvTIED_obj((SV*)io, mg));
1920 call_method("EOF", G_SCALAR);
1926 PUSHs(boolSV(!gv || do_eof(gv)));
1940 gv = PL_last_in_gv = (GV*)POPs;
1942 if (gv && (io = GvIO(gv))
1943 && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
1946 XPUSHs(SvTIED_obj((SV*)io, mg));
1949 call_method("TELL", G_SCALAR);
1955 #if LSEEKSIZE > IVSIZE
1956 PUSHn( do_tell(gv) );
1958 PUSHi( do_tell(gv) );
1965 return pp_sysseek();
1974 #if LSEEKSIZE > IVSIZE
1975 Off_t offset = (Off_t)SvNVx(POPs);
1977 Off_t offset = (Off_t)SvIVx(POPs);
1981 gv = PL_last_in_gv = (GV*)POPs;
1983 if (gv && (io = GvIO(gv))
1984 && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
1987 XPUSHs(SvTIED_obj((SV*)io, mg));
1988 #if LSEEKSIZE > IVSIZE
1989 XPUSHs(sv_2mortal(newSVnv((NV) offset)));
1991 XPUSHs(sv_2mortal(newSViv(offset)));
1993 XPUSHs(sv_2mortal(newSViv(whence)));
1996 call_method("SEEK", G_SCALAR);
2002 if (PL_op->op_type == OP_SEEK)
2003 PUSHs(boolSV(do_seek(gv, offset, whence)));
2005 Off_t sought = do_sysseek(gv, offset, whence);
2007 PUSHs(&PL_sv_undef);
2010 #if LSEEKSIZE > IVSIZE
2015 : newSVpvn(zero_but_true, ZBTLEN);
2016 PUSHs(sv_2mortal(sv));
2025 /* There seems to be no consensus on the length type of truncate()
2026 * and ftruncate(), both off_t and size_t have supporters. In
2027 * general one would think that when using large files, off_t is
2028 * at least as wide as size_t, so using an off_t should be okay. */
2029 /* XXX Configure probe for the length type of *truncate() needed XXX */
2032 #if Size_t_size > IVSIZE
2037 /* Checking for length < 0 is problematic as the type might or
2038 * might not be signed: if it is not, clever compilers will moan. */
2039 /* XXX Configure probe for the signedness of the length type of *truncate() needed? XXX */
2041 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
2047 if (PL_op->op_flags & OPf_SPECIAL) {
2048 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
2051 TAINT_PROPER("truncate");
2052 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)))
2055 PerlIO_flush(IoIFP(GvIOp(tmpgv)));
2057 if (ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
2059 if (my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
2068 if (SvTYPE(sv) == SVt_PVGV) {
2069 tmpgv = (GV*)sv; /* *main::FRED for example */
2072 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2073 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
2077 name = SvPV(sv, n_a);
2078 TAINT_PROPER("truncate");
2080 if (truncate(name, len) < 0)
2086 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
2089 if (my_chsize(tmpfd, len) < 0)
2091 PerlLIO_close(tmpfd);
2100 SETERRNO(EBADF,RMS$_IFI);
2104 DIE(aTHX_ "truncate not implemented");
2117 unsigned int func = POPu;
2118 int optype = PL_op->op_type;
2122 IO *io = gv ? GvIOn(gv) : 0;
2124 if (!io || !argsv || !IoIFP(io)) {
2125 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2126 report_evil_fh(gv, io, PL_op->op_type);
2127 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
2131 if (SvPOK(argsv) || !SvNIOK(argsv)) {
2134 s = SvPV_force(argsv, len);
2135 need = IOCPARM_LEN(func);
2137 s = Sv_Grow(argsv, need + 1);
2138 SvCUR_set(argsv, need);
2141 s[SvCUR(argsv)] = 17; /* a little sanity check here */
2144 retval = SvIV(argsv);
2145 s = INT2PTR(char*,retval); /* ouch */
2148 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
2150 if (optype == OP_IOCTL)
2152 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
2154 DIE(aTHX_ "ioctl is not implemented");
2158 #if defined(OS2) && defined(__EMX__)
2159 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
2161 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
2164 DIE(aTHX_ "fcntl is not implemented");
2168 if (s[SvCUR(argsv)] != 17)
2169 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
2171 s[SvCUR(argsv)] = 0; /* put our null back */
2172 SvSETMAGIC(argsv); /* Assume it has changed */
2181 PUSHp(zero_but_true, ZBTLEN);
2201 if (gv && (io = GvIO(gv)))
2208 (void)PerlIO_flush(fp);
2209 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
2212 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2213 report_evil_fh(gv, io, PL_op->op_type);
2215 SETERRNO(EBADF,RMS$_IFI);
2220 DIE(aTHX_ PL_no_func, "flock()");
2232 int protocol = POPi;
2238 io = gv ? GvIOn(gv) : NULL;
2241 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2242 report_evil_fh(gv, io, PL_op->op_type);
2244 do_close(gv, FALSE);
2245 SETERRNO(EBADF,LIB$_INVARG);
2250 do_close(gv, FALSE);
2252 TAINT_PROPER("socket");
2253 fd = PerlSock_socket(domain, type, protocol);
2256 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
2257 IoOFP(io) = PerlIO_fdopen(fd, "w");
2258 IoTYPE(io) = IoTYPE_SOCKET;
2259 if (!IoIFP(io) || !IoOFP(io)) {
2260 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2261 if (IoOFP(io)) PerlIO_close(IoOFP(io));
2262 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
2265 #if defined(HAS_FCNTL) && defined(F_SETFD)
2266 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2270 setbuf( IoIFP(io), NULL); /* EPOC gets confused about sockets */
2275 DIE(aTHX_ PL_no_sock_func, "socket");
2281 #ifdef HAS_SOCKETPAIR
2287 int protocol = POPi;
2294 io1 = gv1 ? GvIOn(gv1) : NULL;
2295 io2 = gv2 ? GvIOn(gv2) : NULL;
2296 if (!gv1 || !gv2 || !io1 || !io2) {
2297 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) {
2299 report_evil_fh(gv1, io1, PL_op->op_type);
2301 report_evil_fh(gv1, io2, PL_op->op_type);
2304 do_close(gv1, FALSE);
2306 do_close(gv2, FALSE);
2311 do_close(gv1, FALSE);
2313 do_close(gv2, FALSE);
2315 TAINT_PROPER("socketpair");
2316 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2318 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2319 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2320 IoTYPE(io1) = IoTYPE_SOCKET;
2321 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2322 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2323 IoTYPE(io2) = IoTYPE_SOCKET;
2324 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2325 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2326 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2327 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2328 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2329 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2330 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2333 #if defined(HAS_FCNTL) && defined(F_SETFD)
2334 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
2335 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
2340 DIE(aTHX_ PL_no_sock_func, "socketpair");
2348 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2349 extern void GETPRIVMODE();
2350 extern void GETUSERMODE();
2355 register IO *io = GvIOn(gv);
2359 int mpeprivmode = 0;
2362 if (!io || !IoIFP(io))
2365 addr = SvPV(addrsv, len);
2366 TAINT_PROPER("bind");
2367 #ifdef MPE /* Deal with MPE bind() peculiarities */
2368 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2369 /* The address *MUST* stupidly be zero. */
2370 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2371 /* PRIV mode is required to bind() to ports < 1024. */
2372 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2373 ((struct sockaddr_in *)addr)->sin_port > 0) {
2374 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2379 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2380 (struct sockaddr *)addr, len) >= 0)
2383 #ifdef MPE /* Switch back to USER mode */
2394 if (ckWARN(WARN_CLOSED))
2395 report_evil_fh(gv, io, PL_op->op_type);
2396 SETERRNO(EBADF,SS$_IVCHAN);
2399 DIE(aTHX_ PL_no_sock_func, "bind");
2410 register IO *io = GvIOn(gv);
2413 if (!io || !IoIFP(io))
2416 addr = SvPV(addrsv, len);
2417 TAINT_PROPER("connect");
2418 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2424 if (ckWARN(WARN_CLOSED))
2425 report_evil_fh(gv, io, PL_op->op_type);
2426 SETERRNO(EBADF,SS$_IVCHAN);
2429 DIE(aTHX_ PL_no_sock_func, "connect");
2439 register IO *io = gv ? GvIOn(gv) : NULL;
2441 if (!gv || !io || !IoIFP(io))
2444 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2450 if (ckWARN(WARN_CLOSED))
2451 report_evil_fh(gv, io, PL_op->op_type);
2452 SETERRNO(EBADF,SS$_IVCHAN);
2455 DIE(aTHX_ PL_no_sock_func, "listen");
2467 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2468 Sock_size_t len = sizeof saddr;
2480 if (!gstio || !IoIFP(gstio))
2484 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2488 do_close(ngv, FALSE);
2489 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2490 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2491 IoTYPE(nstio) = IoTYPE_SOCKET;
2492 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2493 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2494 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2495 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2498 #if defined(HAS_FCNTL) && defined(F_SETFD)
2499 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2503 len = sizeof saddr; /* EPOC somehow truncates info */
2504 setbuf( IoIFP(nstio), NULL); /* EPOC gets confused about sockets */
2507 PUSHp((char *)&saddr, len);
2511 if (ckWARN(WARN_CLOSED))
2512 report_evil_fh(ggv, ggv ? GvIO(ggv) : 0, PL_op->op_type);
2513 SETERRNO(EBADF,SS$_IVCHAN);
2519 DIE(aTHX_ PL_no_sock_func, "accept");
2529 register IO *io = GvIOn(gv);
2531 if (!io || !IoIFP(io))
2534 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2538 if (ckWARN(WARN_CLOSED))
2539 report_evil_fh(gv, io, PL_op->op_type);
2540 SETERRNO(EBADF,SS$_IVCHAN);
2543 DIE(aTHX_ PL_no_sock_func, "shutdown");
2550 return pp_ssockopt();
2552 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2560 int optype = PL_op->op_type;
2563 unsigned int optname;
2569 if (optype == OP_GSOCKOPT)
2570 sv = sv_2mortal(NEWSV(22, 257));
2573 optname = (unsigned int) POPi;
2574 lvl = (unsigned int) POPi;
2578 if (!io || !IoIFP(io))
2581 fd = PerlIO_fileno(IoIFP(io));
2585 (void)SvPOK_only(sv);
2589 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2604 aint = (int)SvIV(sv);
2608 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2617 if (ckWARN(WARN_CLOSED))
2618 report_evil_fh(gv, io, optype);
2619 SETERRNO(EBADF,SS$_IVCHAN);
2624 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2631 return pp_getpeername();
2633 DIE(aTHX_ PL_no_sock_func, "getsockname");
2641 int optype = PL_op->op_type;
2645 register IO *io = GvIOn(gv);
2648 if (!io || !IoIFP(io))
2651 sv = sv_2mortal(NEWSV(22, 257));
2652 (void)SvPOK_only(sv);
2656 fd = PerlIO_fileno(IoIFP(io));
2658 case OP_GETSOCKNAME:
2659 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2662 case OP_GETPEERNAME:
2663 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2665 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2667 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2668 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2669 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2670 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2671 sizeof(u_short) + sizeof(struct in_addr))) {
2678 #ifdef BOGUS_GETNAME_RETURN
2679 /* Interactive Unix, getpeername() and getsockname()
2680 does not return valid namelen */
2681 if (len == BOGUS_GETNAME_RETURN)
2682 len = sizeof(struct sockaddr);
2690 if (ckWARN(WARN_CLOSED))
2691 report_evil_fh(gv, io, optype);
2692 SETERRNO(EBADF,SS$_IVCHAN);
2697 DIE(aTHX_ PL_no_sock_func, "getpeername");
2716 if (PL_op->op_flags & OPf_REF) {
2718 if (PL_op->op_type == OP_LSTAT) {
2719 if (PL_laststype != OP_LSTAT)
2720 Perl_croak(aTHX_ "The stat preceding lstat() wasn't an lstat");
2721 if (ckWARN(WARN_IO) && gv != PL_defgv)
2722 Perl_warner(aTHX_ WARN_IO,
2723 "lstat() on filehandle %s", GvENAME(gv));
2724 /* Perl_my_lstat (-l) croak's on filehandle, why warn here? */
2728 if (gv != PL_defgv) {
2729 PL_laststype = OP_STAT;
2731 sv_setpv(PL_statname, "");
2732 PL_laststatval = (GvIO(gv) && IoIFP(GvIOp(gv))
2733 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(gv))), &PL_statcache) : -1);
2735 if (PL_laststatval < 0) {
2736 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2737 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
2743 if (SvTYPE(sv) == SVt_PVGV) {
2747 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2751 sv_setpv(PL_statname, SvPV(sv,n_a));
2754 PL_laststype = PL_op->op_type;
2755 if (PL_op->op_type == OP_LSTAT)
2756 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2759 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2760 if (PL_laststatval < 0) {
2761 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2762 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2768 if (gimme != G_ARRAY) {
2769 if (gimme != G_VOID)
2770 XPUSHs(boolSV(max));
2776 PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev)));
2777 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino)));
2778 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_mode)));
2779 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_nlink)));
2780 #if Uid_t_size > IVSIZE
2781 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid)));
2783 # if Uid_t_sign <= 0
2784 PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid)));
2786 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_uid)));
2789 #if Gid_t_size > IVSIZE
2790 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid)));
2792 # if Gid_t_sign <= 0
2793 PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid)));
2795 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_gid)));
2798 #ifdef USE_STAT_RDEV
2799 PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev)));
2801 PUSHs(sv_2mortal(newSVpvn("", 0)));
2803 #if Off_t_size > IVSIZE
2804 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_size)));
2806 PUSHs(sv_2mortal(newSViv(PL_statcache.st_size)));
2809 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime)));
2810 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime)));
2811 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime)));
2813 PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime)));
2814 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime)));
2815 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime)));
2817 #ifdef USE_STAT_BLOCKS
2818 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blksize)));
2819 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blocks)));
2821 PUSHs(sv_2mortal(newSVpvn("", 0)));
2822 PUSHs(sv_2mortal(newSVpvn("", 0)));
2832 #if defined(HAS_ACCESS) && defined(R_OK)
2834 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2835 result = access(TOPpx, R_OK);
2850 if (cando(S_IRUSR, 0, &PL_statcache))
2859 #if defined(HAS_ACCESS) && defined(W_OK)
2861 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2862 result = access(TOPpx, W_OK);
2877 if (cando(S_IWUSR, 0, &PL_statcache))
2886 #if defined(HAS_ACCESS) && defined(X_OK)
2888 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2889 result = access(TOPpx, X_OK);
2904 if (cando(S_IXUSR, 0, &PL_statcache))
2913 #ifdef PERL_EFF_ACCESS_R_OK
2915 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2916 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2931 if (cando(S_IRUSR, 1, &PL_statcache))
2940 #ifdef PERL_EFF_ACCESS_W_OK
2942 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2943 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2958 if (cando(S_IWUSR, 1, &PL_statcache))
2967 #ifdef PERL_EFF_ACCESS_X_OK
2969 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2970 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2985 if (cando(S_IXUSR, 1, &PL_statcache))
2992 I32 result = my_stat();
3001 return pp_ftrowned();
3006 I32 result = my_stat();
3010 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ?
3018 I32 result = my_stat();
3022 if (PL_statcache.st_size == 0)
3029 I32 result = my_stat();
3033 #if Off_t_size > IVSIZE
3034 PUSHn(PL_statcache.st_size);
3036 PUSHi(PL_statcache.st_size);
3043 I32 result = my_stat();
3047 PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
3053 I32 result = my_stat();
3057 PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
3063 I32 result = my_stat();
3067 PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
3073 I32 result = my_stat();
3077 if (S_ISSOCK(PL_statcache.st_mode))
3084 I32 result = my_stat();
3088 if (S_ISCHR(PL_statcache.st_mode))
3095 I32 result = my_stat();
3099 if (S_ISBLK(PL_statcache.st_mode))
3106 I32 result = my_stat();
3110 if (S_ISREG(PL_statcache.st_mode))
3117 I32 result = my_stat();
3121 if (S_ISDIR(PL_statcache.st_mode))
3128 I32 result = my_stat();
3132 if (S_ISFIFO(PL_statcache.st_mode))
3139 I32 result = my_lstat();
3143 if (S_ISLNK(PL_statcache.st_mode))
3152 I32 result = my_stat();
3156 if (PL_statcache.st_mode & S_ISUID)
3166 I32 result = my_stat();
3170 if (PL_statcache.st_mode & S_ISGID)
3180 I32 result = my_stat();
3184 if (PL_statcache.st_mode & S_ISVTX)
3195 char *tmps = Nullch;
3198 if (PL_op->op_flags & OPf_REF)
3200 else if (isGV(TOPs))
3202 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3203 gv = (GV*)SvRV(POPs);
3205 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
3207 if (GvIO(gv) && IoIFP(GvIOp(gv)))
3208 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
3209 else if (tmps && isDIGIT(*tmps))
3213 if (PerlLIO_isatty(fd))
3218 #if defined(atarist) /* this will work with atariST. Configure will
3219 make guesses for other systems. */
3220 # define FILE_base(f) ((f)->_base)
3221 # define FILE_ptr(f) ((f)->_ptr)
3222 # define FILE_cnt(f) ((f)->_cnt)
3223 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
3233 register STDCHAR *s;
3240 if (PL_op->op_flags & OPf_REF)
3242 else if (isGV(TOPs))
3244 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3245 gv = (GV*)SvRV(POPs);
3251 if (gv == PL_defgv) {
3253 io = GvIO(PL_statgv);
3256 goto really_filename;
3261 PL_laststatval = -1;
3262 sv_setpv(PL_statname, "");
3263 io = GvIO(PL_statgv);
3265 if (io && IoIFP(io)) {
3266 if (! PerlIO_has_base(IoIFP(io)))
3267 DIE(aTHX_ "-T and -B not implemented on filehandles");
3268 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
3269 if (PL_laststatval < 0)
3271 if (S_ISDIR(PL_statcache.st_mode)) { /* handle NFS glitch */
3272 if (PL_op->op_type == OP_FTTEXT)
3277 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
3278 i = PerlIO_getc(IoIFP(io));
3280 (void)PerlIO_ungetc(IoIFP(io),i);
3282 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
3284 len = PerlIO_get_bufsiz(IoIFP(io));
3285 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
3286 /* sfio can have large buffers - limit to 512 */
3291 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) {
3293 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
3295 SETERRNO(EBADF,RMS$_IFI);
3303 PL_laststatval = -1;
3304 sv_setpv(PL_statname, SvPV(sv, n_a));
3305 if (!(fp = PerlIO_open(SvPVX(PL_statname), "r"))) {
3306 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
3307 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
3310 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache);
3311 if (PL_laststatval < 0) {
3312 (void)PerlIO_close(fp);
3315 PerlIO_binmode(aTHX_ fp, '<', O_BINARY, Nullch);
3316 len = PerlIO_read(fp, tbuf, sizeof(tbuf));
3317 (void)PerlIO_close(fp);
3319 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
3320 RETPUSHNO; /* special case NFS directories */
3321 RETPUSHYES; /* null file is anything */
3326 /* now scan s to look for textiness */
3327 /* XXX ASCII dependent code */
3329 #if defined(DOSISH) || defined(USEMYBINMODE)
3330 /* ignore trailing ^Z on short files */
3331 if (len && len < sizeof(tbuf) && tbuf[len-1] == 26)
3335 for (i = 0; i < len; i++, s++) {
3336 if (!*s) { /* null never allowed in text */
3341 else if (!(isPRINT(*s) || isSPACE(*s)))
3344 else if (*s & 128) {
3346 if (IN_LOCALE_RUNTIME && isALPHA_LC(*s))
3349 /* utf8 characters don't count as odd */
3350 if (UTF8_IS_START(*s)) {
3351 int ulen = UTF8SKIP(s);
3352 if (ulen < len - i) {
3354 for (j = 1; j < ulen; j++) {
3355 if (!UTF8_IS_CONTINUATION(s[j]))
3358 --ulen; /* loop does extra increment */
3368 *s != '\n' && *s != '\r' && *s != '\b' &&
3369 *s != '\t' && *s != '\f' && *s != 27)
3374 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3399 if( !tmps || !*tmps ) {
3400 if ( (svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE))
3401 || (svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE))
3403 || (svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE))
3408 deprecate("chdir('') or chdir(undef) as chdir()");
3409 tmps = SvPV(*svp, n_a);
3417 TAINT_PROPER("chdir");
3418 PUSHi( PerlDir_chdir(tmps) >= 0 );
3420 /* Clear the DEFAULT element of ENV so we'll get the new value
3422 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3430 dSP; dMARK; dTARGET;
3431 I32 value = (I32)apply(PL_op->op_type, MARK, SP);
3437 DIE(aTHX_ PL_no_func, "chown");
3447 TAINT_PROPER("chroot");
3448 PUSHi( chroot(tmps) >= 0 );
3451 DIE(aTHX_ PL_no_func, "chroot");
3457 dSP; dMARK; dTARGET;
3459 value = (I32)apply(PL_op->op_type, MARK, SP);
3467 dSP; dMARK; dTARGET;
3469 value = (I32)apply(PL_op->op_type, MARK, SP);
3477 dSP; dMARK; dTARGET;
3479 value = (I32)apply(PL_op->op_type, MARK, SP);
3491 char *tmps2 = POPpx;
3492 char *tmps = SvPV(TOPs, n_a);
3493 TAINT_PROPER("rename");
3495 anum = PerlLIO_rename(tmps, tmps2);
3497 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3498 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3501 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3502 (void)UNLINK(tmps2);
3503 if (!(anum = link(tmps, tmps2)))
3504 anum = UNLINK(tmps);
3518 char *tmps2 = POPpx;
3519 char *tmps = SvPV(TOPs, n_a);
3520 TAINT_PROPER("link");
3521 SETi( PerlLIO_link(tmps, tmps2) >= 0 );
3524 DIE(aTHX_ PL_no_func, "link");
3533 char *tmps2 = POPpx;
3534 char *tmps = SvPV(TOPs, n_a);
3535 TAINT_PROPER("symlink");
3536 SETi( symlink(tmps, tmps2) >= 0 );
3539 DIE(aTHX_ PL_no_func, "symlink");
3549 char buf[MAXPATHLEN];
3553 #ifndef INCOMPLETE_TAINTS
3557 len = readlink(tmps, buf, sizeof(buf) - 1);
3565 RETSETUNDEF; /* just pretend it's a normal file */
3569 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3571 S_dooneliner(pTHX_ char *cmd, char *filename)
3573 char *save_filename = filename;
3579 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3580 strcpy(cmdline, cmd);
3581 strcat(cmdline, " ");
3582 for (s = cmdline + strlen(cmdline); *filename; ) {
3587 myfp = PerlProc_popen(cmdline, "r");
3591 SV *tmpsv = sv_newmortal();
3592 /* Need to save/restore 'PL_rs' ?? */
3593 s = sv_gets(tmpsv, myfp, 0);
3594 (void)PerlProc_pclose(myfp);
3598 #ifdef HAS_SYS_ERRLIST
3603 /* you don't see this */
3605 #ifdef HAS_SYS_ERRLIST
3613 if (instr(s, errmsg)) {
3620 #define EACCES EPERM
3622 if (instr(s, "cannot make"))
3623 SETERRNO(EEXIST,RMS$_FEX);
3624 else if (instr(s, "existing file"))
3625 SETERRNO(EEXIST,RMS$_FEX);
3626 else if (instr(s, "ile exists"))
3627 SETERRNO(EEXIST,RMS$_FEX);
3628 else if (instr(s, "non-exist"))
3629 SETERRNO(ENOENT,RMS$_FNF);
3630 else if (instr(s, "does not exist"))
3631 SETERRNO(ENOENT,RMS$_FNF);
3632 else if (instr(s, "not empty"))
3633 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3634 else if (instr(s, "cannot access"))
3635 SETERRNO(EACCES,RMS$_PRV);
3637 SETERRNO(EPERM,RMS$_PRV);
3640 else { /* some mkdirs return no failure indication */
3641 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3642 if (PL_op->op_type == OP_RMDIR)
3647 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3672 tmps = SvPV(TOPs, len);
3673 /* Different operating and file systems take differently to
3674 * trailing slashes. According to POSIX 1003.1 1996 Edition
3675 * any number of trailing slashes should be allowed.
3676 * Thusly we snip them away so that even non-conforming
3677 * systems are happy. */
3678 /* We should probably do this "filtering" for all
3679 * the functions that expect (potentially) directory names:
3680 * -d, chdir(), chmod(), chown(), chroot(), fcntl()?,
3681 * (mkdir()), opendir(), rename(), rmdir(), stat(). --jhi */
3682 if (len > 1 && tmps[len-1] == '/') {
3683 while (tmps[len] == '/' && len > 1)
3685 tmps = savepvn(tmps, len);
3689 TAINT_PROPER("mkdir");
3691 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3693 SETi( dooneliner("mkdir", tmps) );
3694 oldumask = PerlLIO_umask(0);
3695 PerlLIO_umask(oldumask);
3696 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3710 TAINT_PROPER("rmdir");
3712 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3714 XPUSHi( dooneliner("rmdir", tmps) );
3719 /* Directory calls. */
3723 #if defined(Direntry_t) && defined(HAS_READDIR)
3726 char *dirname = POPpx;
3728 register IO *io = GvIOn(gv);
3734 PerlDir_close(IoDIRP(io));
3735 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3741 SETERRNO(EBADF,RMS$_DIR);
3744 DIE(aTHX_ PL_no_dir_func, "opendir");
3750 #if defined(Direntry_t) && defined(HAS_READDIR)
3752 #if !defined(I_DIRENT) && !defined(VMS)
3753 Direntry_t *readdir (DIR *);
3755 register Direntry_t *dp;
3757 register IO *io = GvIOn(gv);
3760 if (!io || !IoDIRP(io))
3763 if (GIMME == G_ARRAY) {
3765 while ((dp = (Direntry_t *)PerlDir_read(IoDIRP(io)))) {
3767 sv = newSVpvn(dp->d_name, dp->d_namlen);
3769 sv = newSVpv(dp->d_name, 0);
3771 #ifndef INCOMPLETE_TAINTS
3772 if (!(IoFLAGS(io) & IOf_UNTAINT))
3775 XPUSHs(sv_2mortal(sv));
3779 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3782 sv = newSVpvn(dp->d_name, dp->d_namlen);
3784 sv = newSVpv(dp->d_name, 0);
3786 #ifndef INCOMPLETE_TAINTS
3787 if (!(IoFLAGS(io) & IOf_UNTAINT))
3790 XPUSHs(sv_2mortal(sv));
3796 SETERRNO(EBADF,RMS$_ISI);
3797 if (GIMME == G_ARRAY)
3802 DIE(aTHX_ PL_no_dir_func, "readdir");
3808 #if defined(HAS_TELLDIR) || defined(telldir)
3810 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3811 /* XXX netbsd still seemed to.
3812 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3813 --JHI 1999-Feb-02 */
3814 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3815 long telldir (DIR *);
3818 register IO *io = GvIOn(gv);
3820 if (!io || !IoDIRP(io))
3823 PUSHi( PerlDir_tell(IoDIRP(io)) );
3827 SETERRNO(EBADF,RMS$_ISI);
3830 DIE(aTHX_ PL_no_dir_func, "telldir");
3836 #if defined(HAS_SEEKDIR) || defined(seekdir)
3840 register IO *io = GvIOn(gv);
3842 if (!io || !IoDIRP(io))
3845 (void)PerlDir_seek(IoDIRP(io), along);
3850 SETERRNO(EBADF,RMS$_ISI);
3853 DIE(aTHX_ PL_no_dir_func, "seekdir");
3859 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3862 register IO *io = GvIOn(gv);
3864 if (!io || !IoDIRP(io))
3867 (void)PerlDir_rewind(IoDIRP(io));
3871 SETERRNO(EBADF,RMS$_ISI);
3874 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3880 #if defined(Direntry_t) && defined(HAS_READDIR)
3883 register IO *io = GvIOn(gv);
3885 if (!io || !IoDIRP(io))
3888 #ifdef VOID_CLOSEDIR
3889 PerlDir_close(IoDIRP(io));
3891 if (PerlDir_close(IoDIRP(io)) < 0) {
3892 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3901 SETERRNO(EBADF,RMS$_IFI);
3904 DIE(aTHX_ PL_no_dir_func, "closedir");
3908 /* Process control. */
3918 PERL_FLUSHALL_FOR_CHILD;
3919 childpid = PerlProc_fork();
3924 if ((tmpgv = gv_fetchpv("$", TRUE, SVt_PV)))
3925 sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
3926 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3931 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3936 PERL_FLUSHALL_FOR_CHILD;
3937 childpid = PerlProc_fork();
3943 DIE(aTHX_ PL_no_func, "fork");
3950 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3955 #ifdef PERL_OLD_SIGNALS
3956 childpid = wait4pid(-1, &argflags, 0);
3958 while ((childpid = wait4pid(-1, &argflags, 0)) == -1 && errno == EINTR) {
3962 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3963 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3964 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3966 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3971 DIE(aTHX_ PL_no_func, "wait");
3977 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3985 #ifdef PERL_OLD_SIGNALS
3986 childpid = wait4pid(childpid, &argflags, optype);
3988 while ((childpid = wait4pid(childpid, &argflags, optype)) == -1 && errno == EINTR) {
3992 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3993 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3994 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3996 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
4001 DIE(aTHX_ PL_no_func, "waitpid");
4007 dSP; dMARK; dORIGMARK; dTARGET;
4014 if (SP - MARK == 1) {
4016 (void)SvPV_nolen(TOPs); /* stringify for taint check */
4018 TAINT_PROPER("system");
4021 PERL_FLUSHALL_FOR_CHILD;
4022 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2) || defined(PERL_MICRO)
4026 Sigsave_t ihand,qhand; /* place to save signals during system() */
4028 if (PerlProc_pipe(pp) >= 0)
4030 while ((childpid = PerlProc_fork()) == -1) {
4031 if (errno != EAGAIN) {
4036 PerlLIO_close(pp[0]);
4037 PerlLIO_close(pp[1]);
4045 PerlLIO_close(pp[1]);
4047 rsignal_save(SIGINT, SIG_IGN, &ihand);
4048 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
4051 result = wait4pid(childpid, &status, 0);
4052 } while (result == -1 && errno == EINTR);
4054 (void)rsignal_restore(SIGINT, &ihand);
4055 (void)rsignal_restore(SIGQUIT, &qhand);
4057 STATUS_NATIVE_SET(result == -1 ? -1 : status);
4058 do_execfree(); /* free any memory child malloced on fork */
4064 while (n < sizeof(int)) {
4065 n1 = PerlLIO_read(pp[0],
4066 (void*)(((char*)&errkid)+n),
4072 PerlLIO_close(pp[0]);
4073 if (n) { /* Error */
4074 if (n != sizeof(int))
4075 DIE(aTHX_ "panic: kid popen errno read");
4076 errno = errkid; /* Propagate errno from kid */
4077 STATUS_CURRENT = -1;
4080 PUSHi(STATUS_CURRENT);
4084 PerlLIO_close(pp[0]);
4085 #if defined(HAS_FCNTL) && defined(F_SETFD)
4086 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
4090 if (PL_op->op_flags & OPf_STACKED) {
4091 SV *really = *++MARK;
4092 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
4094 else if (SP - MARK != 1)
4095 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
4097 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
4100 #else /* ! FORK or VMS or OS/2 */
4103 if (PL_op->op_flags & OPf_STACKED) {
4104 SV *really = *++MARK;
4105 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
4107 else if (SP - MARK != 1)
4108 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
4110 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
4112 if (PL_statusvalue == -1) /* hint that value must be returned as is */
4114 STATUS_NATIVE_SET(value);
4117 PUSHi(result ? value : STATUS_CURRENT);
4118 #endif /* !FORK or VMS */
4124 dSP; dMARK; dORIGMARK; dTARGET;
4128 PERL_FLUSHALL_FOR_CHILD;
4129 if (PL_op->op_flags & OPf_STACKED) {
4130 SV *really = *++MARK;
4131 value = (I32)do_aexec(really, MARK, SP);
4133 else if (SP - MARK != 1)
4135 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
4139 (void ) do_aspawn(Nullsv, MARK, SP);
4143 value = (I32)do_aexec(Nullsv, MARK, SP);
4148 (void)SvPV_nolen(*SP); /* stringify for taint check */
4150 TAINT_PROPER("exec");
4153 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
4156 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
4159 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
4172 dSP; dMARK; dTARGET;
4174 value = (I32)apply(PL_op->op_type, MARK, SP);
4179 DIE(aTHX_ PL_no_func, "kill");
4187 XPUSHi( getppid() );
4190 DIE(aTHX_ PL_no_func, "getppid");
4206 pgrp = (I32)BSD_GETPGRP(pid);
4208 if (pid != 0 && pid != PerlProc_getpid())
4209 DIE(aTHX_ "POSIX getpgrp can't take an argument");
4215 DIE(aTHX_ PL_no_func, "getpgrp()");
4234 TAINT_PROPER("setpgrp");
4236 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
4238 if ((pgrp != 0 && pgrp != PerlProc_getpid())
4239 || (pid != 0 && pid != PerlProc_getpid()))
4241 DIE(aTHX_ "setpgrp can't take arguments");
4243 SETi( setpgrp() >= 0 );
4244 #endif /* USE_BSDPGRP */
4247 DIE(aTHX_ PL_no_func, "setpgrp()");
4253 #ifdef HAS_GETPRIORITY
4257 SETi( getpriority(which, who) );
4260 DIE(aTHX_ PL_no_func, "getpriority()");
4266 #ifdef HAS_SETPRIORITY
4271 TAINT_PROPER("setpriority");
4272 SETi( setpriority(which, who, niceval) >= 0 );
4275 DIE(aTHX_ PL_no_func, "setpriority()");
4285 XPUSHn( time(Null(Time_t*)) );
4287 XPUSHi( time(Null(Time_t*)) );
4292 /* XXX The POSIX name is CLK_TCK; it is to be preferred
4293 to HZ. Probably. For now, assume that if the system
4294 defines HZ, it does so correctly. (Will this break
4296 Probably we ought to use _sysconf(_SC_CLK_TCK), if
4297 it's supported. --AD 9/96.
4314 (void)PerlProc_times(&PL_timesbuf);
4316 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
4317 /* struct tms, though same data */
4321 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
4322 if (GIMME == G_ARRAY) {
4323 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
4324 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
4325 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
4329 DIE(aTHX_ "times not implemented");
4330 #endif /* HAS_TIMES */
4343 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
4344 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
4345 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
4351 when = (Time_t)SvNVx(POPs);
4353 when = (Time_t)SvIVx(POPs);
4356 if (PL_op->op_type == OP_LOCALTIME)
4357 tmbuf = localtime(&when);
4359 tmbuf = gmtime(&when);
4361 if (GIMME != G_ARRAY) {
4367 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
4368 dayname[tmbuf->tm_wday],
4369 monname[tmbuf->tm_mon],
4374 tmbuf->tm_year + 1900);
4375 PUSHs(sv_2mortal(tsv));
4380 PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec)));
4381 PUSHs(sv_2mortal(newSViv(tmbuf->tm_min)));
4382 PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour)));
4383 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday)));
4384 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon)));
4385 PUSHs(sv_2mortal(newSViv(tmbuf->tm_year)));
4386 PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday)));
4387 PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday)));
4388 PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst)));
4399 anum = alarm((unsigned int)anum);
4406 DIE(aTHX_ PL_no_func, "alarm");
4417 (void)time(&lasttime);
4422 PerlProc_sleep((unsigned int)duration);
4425 XPUSHi(when - lasttime);
4429 /* Shared memory. */
4443 return pp_shmwrite();
4448 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4449 dSP; dMARK; dTARGET;
4450 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
4459 /* Message passing. */
4473 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4474 dSP; dMARK; dTARGET;
4475 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4486 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4487 dSP; dMARK; dTARGET;
4488 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4501 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4502 dSP; dMARK; dTARGET;
4503 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4510 DIE(aTHX_ "System V IPC is not implemented on this machine");
4516 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4517 dSP; dMARK; dTARGET;
4518 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4526 PUSHp(zero_but_true, ZBTLEN);
4536 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4537 dSP; dMARK; dTARGET;
4538 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4547 /* Get system info. */
4551 #ifdef HAS_GETHOSTBYNAME
4552 return pp_ghostent();
4554 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4560 #ifdef HAS_GETHOSTBYADDR
4561 return pp_ghostent();
4563 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4569 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4571 I32 which = PL_op->op_type;
4572 register char **elem;
4574 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4575 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4576 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4577 struct hostent *PerlSock_gethostent(void);
4579 struct hostent *hent;
4584 if (which == OP_GHBYNAME)
4585 #ifdef HAS_GETHOSTBYNAME
4586 hent = PerlSock_gethostbyname(POPpbytex);
4588 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4590 else if (which == OP_GHBYADDR) {
4591 #ifdef HAS_GETHOSTBYADDR
4592 int addrtype = POPi;
4595 Netdb_host_t addr = (Netdb_host_t) SvPVbyte(addrsv, addrlen);
4597 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4599 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4603 #ifdef HAS_GETHOSTENT
4604 hent = PerlSock_gethostent();
4606 DIE(aTHX_ PL_no_sock_func, "gethostent");
4609 #ifdef HOST_NOT_FOUND
4611 STATUS_NATIVE_SET(h_errno);
4614 if (GIMME != G_ARRAY) {
4615 PUSHs(sv = sv_newmortal());
4617 if (which == OP_GHBYNAME) {
4619 sv_setpvn(sv, hent->h_addr, hent->h_length);
4622 sv_setpv(sv, (char*)hent->h_name);
4628 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4629 sv_setpv(sv, (char*)hent->h_name);
4630 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4631 for (elem = hent->h_aliases; elem && *elem; elem++) {
4632 sv_catpv(sv, *elem);
4634 sv_catpvn(sv, " ", 1);
4636 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4637 sv_setiv(sv, (IV)hent->h_addrtype);
4638 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4639 len = hent->h_length;
4640 sv_setiv(sv, (IV)len);
4642 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4643 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4644 sv_setpvn(sv, *elem, len);
4647 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4649 sv_setpvn(sv, hent->h_addr, len);
4654 DIE(aTHX_ PL_no_sock_func, "gethostent");
4660 #ifdef HAS_GETNETBYNAME
4661 return pp_gnetent();
4663 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4669 #ifdef HAS_GETNETBYADDR
4670 return pp_gnetent();
4672 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4678 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4680 I32 which = PL_op->op_type;
4681 register char **elem;
4683 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4684 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4685 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4686 struct netent *PerlSock_getnetent(void);
4688 struct netent *nent;
4691 if (which == OP_GNBYNAME)
4692 #ifdef HAS_GETNETBYNAME
4693 nent = PerlSock_getnetbyname(POPpbytex);
4695 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4697 else if (which == OP_GNBYADDR) {
4698 #ifdef HAS_GETNETBYADDR
4699 int addrtype = POPi;
4700 Netdb_net_t addr = (Netdb_net_t) (U32)POPu;
4701 nent = PerlSock_getnetbyaddr(addr, addrtype);
4703 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4707 #ifdef HAS_GETNETENT
4708 nent = PerlSock_getnetent();
4710 DIE(aTHX_ PL_no_sock_func, "getnetent");
4714 if (GIMME != G_ARRAY) {
4715 PUSHs(sv = sv_newmortal());
4717 if (which == OP_GNBYNAME)
4718 sv_setiv(sv, (IV)nent->n_net);
4720 sv_setpv(sv, nent->n_name);
4726 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4727 sv_setpv(sv, nent->n_name);
4728 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4729 for (elem = nent->n_aliases; elem && *elem; elem++) {
4730 sv_catpv(sv, *elem);
4732 sv_catpvn(sv, " ", 1);
4734 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4735 sv_setiv(sv, (IV)nent->n_addrtype);
4736 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4737 sv_setiv(sv, (IV)nent->n_net);
4742 DIE(aTHX_ PL_no_sock_func, "getnetent");
4748 #ifdef HAS_GETPROTOBYNAME
4749 return pp_gprotoent();
4751 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4757 #ifdef HAS_GETPROTOBYNUMBER
4758 return pp_gprotoent();
4760 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4766 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4768 I32 which = PL_op->op_type;
4769 register char **elem;
4771 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4772 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4773 struct protoent *PerlSock_getprotobynumber(int);
4774 struct protoent *PerlSock_getprotoent(void);
4776 struct protoent *pent;
4779 if (which == OP_GPBYNAME)
4780 #ifdef HAS_GETPROTOBYNAME
4781 pent = PerlSock_getprotobyname(POPpbytex);
4783 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4785 else if (which == OP_GPBYNUMBER)
4786 #ifdef HAS_GETPROTOBYNUMBER
4787 pent = PerlSock_getprotobynumber(POPi);
4789 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4792 #ifdef HAS_GETPROTOENT
4793 pent = PerlSock_getprotoent();
4795 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4799 if (GIMME != G_ARRAY) {
4800 PUSHs(sv = sv_newmortal());
4802 if (which == OP_GPBYNAME)
4803 sv_setiv(sv, (IV)pent->p_proto);
4805 sv_setpv(sv, pent->p_name);
4811 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4812 sv_setpv(sv, pent->p_name);
4813 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4814 for (elem = pent->p_aliases; elem && *elem; elem++) {
4815 sv_catpv(sv, *elem);
4817 sv_catpvn(sv, " ", 1);
4819 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4820 sv_setiv(sv, (IV)pent->p_proto);
4825 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4831 #ifdef HAS_GETSERVBYNAME
4832 return pp_gservent();
4834 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4840 #ifdef HAS_GETSERVBYPORT
4841 return pp_gservent();
4843 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4849 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4851 I32 which = PL_op->op_type;
4852 register char **elem;
4854 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4855 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4856 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4857 struct servent *PerlSock_getservent(void);
4859 struct servent *sent;
4862 if (which == OP_GSBYNAME) {
4863 #ifdef HAS_GETSERVBYNAME
4864 char *proto = POPpbytex;
4865 char *name = POPpbytex;
4867 if (proto && !*proto)
4870 sent = PerlSock_getservbyname(name, proto);
4872 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4875 else if (which == OP_GSBYPORT) {
4876 #ifdef HAS_GETSERVBYPORT
4877 char *proto = POPpbytex;
4878 unsigned short port = POPu;
4881 port = PerlSock_htons(port);
4883 sent = PerlSock_getservbyport(port, proto);
4885 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4889 #ifdef HAS_GETSERVENT
4890 sent = PerlSock_getservent();
4892 DIE(aTHX_ PL_no_sock_func, "getservent");
4896 if (GIMME != G_ARRAY) {
4897 PUSHs(sv = sv_newmortal());
4899 if (which == OP_GSBYNAME) {
4901 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4903 sv_setiv(sv, (IV)(sent->s_port));
4907 sv_setpv(sv, sent->s_name);
4913 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4914 sv_setpv(sv, sent->s_name);
4915 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4916 for (elem = sent->s_aliases; elem && *elem; elem++) {
4917 sv_catpv(sv, *elem);
4919 sv_catpvn(sv, " ", 1);
4921 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4923 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4925 sv_setiv(sv, (IV)(sent->s_port));
4927 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4928 sv_setpv(sv, sent->s_proto);
4933 DIE(aTHX_ PL_no_sock_func, "getservent");
4939 #ifdef HAS_SETHOSTENT
4941 PerlSock_sethostent(TOPi);
4944 DIE(aTHX_ PL_no_sock_func, "sethostent");
4950 #ifdef HAS_SETNETENT
4952 PerlSock_setnetent(TOPi);
4955 DIE(aTHX_ PL_no_sock_func, "setnetent");
4961 #ifdef HAS_SETPROTOENT
4963 PerlSock_setprotoent(TOPi);
4966 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4972 #ifdef HAS_SETSERVENT
4974 PerlSock_setservent(TOPi);
4977 DIE(aTHX_ PL_no_sock_func, "setservent");
4983 #ifdef HAS_ENDHOSTENT
4985 PerlSock_endhostent();
4989 DIE(aTHX_ PL_no_sock_func, "endhostent");
4995 #ifdef HAS_ENDNETENT
4997 PerlSock_endnetent();
5001 DIE(aTHX_ PL_no_sock_func, "endnetent");
5007 #ifdef HAS_ENDPROTOENT
5009 PerlSock_endprotoent();
5013 DIE(aTHX_ PL_no_sock_func, "endprotoent");
5019 #ifdef HAS_ENDSERVENT
5021 PerlSock_endservent();
5025 DIE(aTHX_ PL_no_sock_func, "endservent");
5034 DIE(aTHX_ PL_no_func, "getpwnam");
5043 DIE(aTHX_ PL_no_func, "getpwuid");
5051 I32 which = PL_op->op_type;
5054 struct passwd *pwent = NULL;
5056 * We currently support only the SysV getsp* shadow password interface.
5057 * The interface is declared in <shadow.h> and often one needs to link
5058 * with -lsecurity or some such.
5059 * This interface is used at least by Solaris, HP-UX, IRIX, and Linux.
5062 * AIX getpwnam() is clever enough to return the encrypted password
5063 * only if the caller (euid?) is root.
5065 * There are at least two other shadow password APIs. Many platforms
5066 * seem to contain more than one interface for accessing the shadow
5067 * password databases, possibly for compatibility reasons.
5068 * The getsp*() is by far he simplest one, the other two interfaces
5069 * are much more complicated, but also very similar to each other.
5074 * struct pr_passwd *getprpw*();
5075 * The password is in
5076 * char getprpw*(...).ufld.fd_encrypt[]
5077 * Mention HAS_GETPRPWNAM here so that Configure probes for it.
5082 * struct es_passwd *getespw*();
5083 * The password is in
5084 * char *(getespw*(...).ufld.fd_encrypt)
5085 * Mention HAS_GETESPWNAM here so that Configure probes for it.
5087 * Mention I_PROT here so that Configure probes for it.
5089 * In HP-UX for getprpw*() the manual page claims that one should include
5090 * <hpsecurity.h> instead of <sys/security.h>, but that is not needed
5091 * if one includes <shadow.h> as that includes <hpsecurity.h>,
5092 * and pp_sys.c already includes <shadow.h> if there is such.
5094 * Note that <sys/security.h> is already probed for, but currently
5095 * it is only included in special cases.
5097 * In Digital UNIX/Tru64 if using the getespw*() (which seems to be
5098 * be preferred interface, even though also the getprpw*() interface
5099 * is available) one needs to link with -lsecurity -ldb -laud -lm.
5100 * One also needs to call set_auth_parameters() in main() before
5101 * doing anything else, whether one is using getespw*() or getprpw*().
5103 * Note that accessing the shadow databases can be magnitudes
5104 * slower than accessing the standard databases.
5111 pwent = getpwnam(POPpbytex);
5114 pwent = getpwuid((Uid_t)POPi);
5117 # ifdef HAS_GETPWENT
5120 DIE(aTHX_ PL_no_func, "getpwent");
5126 if (GIMME != G_ARRAY) {
5127 PUSHs(sv = sv_newmortal());
5129 if (which == OP_GPWNAM)
5130 # if Uid_t_sign <= 0
5131 sv_setiv(sv, (IV)pwent->pw_uid);
5133 sv_setuv(sv, (UV)pwent->pw_uid);
5136 sv_setpv(sv, pwent->pw_name);
5142 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5143 sv_setpv(sv, pwent->pw_name);
5145 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5147 /* If we have getspnam(), we try to dig up the shadow
5148 * password. If we are underprivileged, the shadow
5149 * interface will set the errno to EACCES or similar,
5150 * and return a null pointer. If this happens, we will
5151 * use the dummy password (usually "*" or "x") from the
5152 * standard password database.
5154 * In theory we could skip the shadow call completely
5155 * if euid != 0 but in practice we cannot know which
5156 * security measures are guarding the shadow databases
5157 * on a random platform.
5159 * Resist the urge to use additional shadow interfaces.
5160 * Divert the urge to writing an extension instead.
5163 # ifdef HAS_GETSPNAM
5165 struct spwd *spwent;
5166 int saverrno; /* Save and restore errno so that
5167 * underprivileged attempts seem
5168 * to have never made the unsccessful
5169 * attempt to retrieve the shadow password. */
5172 spwent = getspnam(pwent->pw_name);
5174 if (spwent && spwent->sp_pwdp)
5175 sv_setpv(sv, spwent->sp_pwdp);
5179 if (!SvPOK(sv)) /* Use the standard password, then. */
5180 sv_setpv(sv, pwent->pw_passwd);
5183 # ifndef INCOMPLETE_TAINTS
5184 /* passwd is tainted because user himself can diddle with it.
5185 * admittedly not much and in a very limited way, but nevertheless. */
5189 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5190 # if Uid_t_sign <= 0
5191 sv_setiv(sv, (IV)pwent->pw_uid);
5193 sv_setuv(sv, (UV)pwent->pw_uid);
5196 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5197 # if Uid_t_sign <= 0
5198 sv_setiv(sv, (IV)pwent->pw_gid);
5200 sv_setuv(sv, (UV)pwent->pw_gid);
5202 /* pw_change, pw_quota, and pw_age are mutually exclusive--
5203 * because of the poor interface of the Perl getpw*(),
5204 * not because there's some standard/convention saying so.
5205 * A better interface would have been to return a hash,
5206 * but we are accursed by our history, alas. --jhi. */
5207 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5209 sv_setiv(sv, (IV)pwent->pw_change);
5212 sv_setiv(sv, (IV)pwent->pw_quota);
5215 sv_setpv(sv, pwent->pw_age);
5220 /* pw_class and pw_comment are mutually exclusive--.
5221 * see the above note for pw_change, pw_quota, and pw_age. */
5222 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5224 sv_setpv(sv, pwent->pw_class);
5227 sv_setpv(sv, pwent->pw_comment);
5231 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5233 sv_setpv(sv, pwent->pw_gecos);
5235 # ifndef INCOMPLETE_TAINTS
5236 /* pw_gecos is tainted because user himself can diddle with it. */
5240 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5241 sv_setpv(sv, pwent->pw_dir);
5243 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5244 sv_setpv(sv, pwent->pw_shell);
5245 # ifndef INCOMPLETE_TAINTS
5246 /* pw_shell is tainted because user himself can diddle with it. */
5251 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5252 sv_setiv(sv, (IV)pwent->pw_expire);
5257 DIE(aTHX_ PL_no_func, "getpwent");
5263 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
5268 DIE(aTHX_ PL_no_func, "setpwent");
5274 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
5279 DIE(aTHX_ PL_no_func, "endpwent");
5288 DIE(aTHX_ PL_no_func, "getgrnam");
5297 DIE(aTHX_ PL_no_func, "getgrgid");
5305 I32 which = PL_op->op_type;
5306 register char **elem;
5308 struct group *grent;
5311 if (which == OP_GGRNAM)
5312 grent = (struct group *)getgrnam(POPpbytex);
5313 else if (which == OP_GGRGID)
5314 grent = (struct group *)getgrgid(POPi);
5317 grent = (struct group *)getgrent();
5319 DIE(aTHX_ PL_no_func, "getgrent");
5323 if (GIMME != G_ARRAY) {
5324 PUSHs(sv = sv_newmortal());
5326 if (which == OP_GGRNAM)
5327 sv_setiv(sv, (IV)grent->gr_gid);
5329 sv_setpv(sv, grent->gr_name);
5335 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5336 sv_setpv(sv, grent->gr_name);
5338 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5340 sv_setpv(sv, grent->gr_passwd);
5343 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5344 sv_setiv(sv, (IV)grent->gr_gid);
5346 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5347 for (elem = grent->gr_mem; elem && *elem; elem++) {
5348 sv_catpv(sv, *elem);
5350 sv_catpvn(sv, " ", 1);
5356 DIE(aTHX_ PL_no_func, "getgrent");
5362 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
5367 DIE(aTHX_ PL_no_func, "setgrent");
5373 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
5378 DIE(aTHX_ PL_no_func, "endgrent");
5388 if (!(tmps = PerlProc_getlogin()))
5390 PUSHp(tmps, strlen(tmps));
5393 DIE(aTHX_ PL_no_func, "getlogin");
5397 /* Miscellaneous. */
5402 dSP; dMARK; dORIGMARK; dTARGET;
5403 register I32 items = SP - MARK;
5404 unsigned long a[20];
5410 while (++MARK <= SP) {
5411 if (SvTAINTED(*MARK)) {
5417 TAINT_PROPER("syscall");
5420 /* This probably won't work on machines where sizeof(long) != sizeof(int)
5421 * or where sizeof(long) != sizeof(char*). But such machines will
5422 * not likely have syscall implemented either, so who cares?
5424 while (++MARK <= SP) {
5425 if (SvNIOK(*MARK) || !i)
5426 a[i++] = SvIV(*MARK);
5427 else if (*MARK == &PL_sv_undef)
5430 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
5436 DIE(aTHX_ "Too many args to syscall");
5438 DIE(aTHX_ "Too few args to syscall");
5440 retval = syscall(a[0]);
5443 retval = syscall(a[0],a[1]);
5446 retval = syscall(a[0],a[1],a[2]);
5449 retval = syscall(a[0],a[1],a[2],a[3]);
5452 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
5455 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
5458 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
5461 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
5465 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
5468 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
5471 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5475 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5479 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5483 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5484 a[10],a[11],a[12],a[13]);
5486 #endif /* atarist */
5492 DIE(aTHX_ PL_no_func, "syscall");
5496 #ifdef FCNTL_EMULATE_FLOCK
5498 /* XXX Emulate flock() with fcntl().
5499 What's really needed is a good file locking module.
5503 fcntl_emulate_flock(int fd, int operation)
5507 switch (operation & ~LOCK_NB) {
5509 flock.l_type = F_RDLCK;
5512 flock.l_type = F_WRLCK;
5515 flock.l_type = F_UNLCK;
5521 flock.l_whence = SEEK_SET;
5522 flock.l_start = flock.l_len = (Off_t)0;
5524 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
5527 #endif /* FCNTL_EMULATE_FLOCK */
5529 #ifdef LOCKF_EMULATE_FLOCK
5531 /* XXX Emulate flock() with lockf(). This is just to increase
5532 portability of scripts. The calls are not completely
5533 interchangeable. What's really needed is a good file
5537 /* The lockf() constants might have been defined in <unistd.h>.
5538 Unfortunately, <unistd.h> causes troubles on some mixed
5539 (BSD/POSIX) systems, such as SunOS 4.1.3.
5541 Further, the lockf() constants aren't POSIX, so they might not be
5542 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5543 just stick in the SVID values and be done with it. Sigh.
5547 # define F_ULOCK 0 /* Unlock a previously locked region */
5550 # define F_LOCK 1 /* Lock a region for exclusive use */
5553 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
5556 # define F_TEST 3 /* Test a region for other processes locks */
5560 lockf_emulate_flock(int fd, int operation)
5566 /* flock locks entire file so for lockf we need to do the same */
5568 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
5569 if (pos > 0) /* is seekable and needs to be repositioned */
5570 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
5571 pos = -1; /* seek failed, so don't seek back afterwards */
5574 switch (operation) {
5576 /* LOCK_SH - get a shared lock */
5578 /* LOCK_EX - get an exclusive lock */
5580 i = lockf (fd, F_LOCK, 0);
5583 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5584 case LOCK_SH|LOCK_NB:
5585 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5586 case LOCK_EX|LOCK_NB:
5587 i = lockf (fd, F_TLOCK, 0);
5589 if ((errno == EAGAIN) || (errno == EACCES))
5590 errno = EWOULDBLOCK;
5593 /* LOCK_UN - unlock (non-blocking is a no-op) */
5595 case LOCK_UN|LOCK_NB:
5596 i = lockf (fd, F_ULOCK, 0);
5599 /* Default - can't decipher operation */
5606 if (pos > 0) /* need to restore position of the handle */
5607 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5612 #endif /* LOCKF_EMULATE_FLOCK */