3 * Copyright (c) 1991-2000, 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>. */
38 /* XXX If this causes problems, set i_unistd=undef in the hint file. */
45 extern "C" int syscall(unsigned long,...);
50 # include <sys/wait.h>
54 # include <sys/resource.h>
59 # include <sys/select.h>
63 /* XXX Configure test needed.
64 h_errno might not be a simple 'int', especially for multi-threaded
65 applications, see "extern int errno in perl.h". Creating such
66 a test requires taking into account the differences between
67 compiling multithreaded and singlethreaded ($ccflags et al).
68 HOST_NOT_FOUND is typically defined in <netdb.h>.
70 #if defined(HOST_NOT_FOUND) && !defined(h_errno) && !defined(__CYGWIN__)
78 struct passwd *getpwnam (char *);
79 struct passwd *getpwuid (Uid_t);
82 struct passwd *getpwent (void);
90 struct group *getgrnam (char *);
91 struct group *getgrgid (Gid_t);
94 struct group *getgrent (void);
99 # if defined(_MSC_VER) || defined(__MINGW32__)
100 # include <sys/utime.h>
106 /* Put this after #includes because fork and vfork prototypes may conflict. */
112 # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
115 # define my_chsize PerlLIO_chsize
120 #else /* no flock() */
122 /* fcntl.h might not have been included, even if it exists, because
123 the current Configure only sets I_FCNTL if it's needed to pick up
124 the *_OK constants. Make sure it has been included before testing
125 the fcntl() locking constants. */
126 # if defined(HAS_FCNTL) && !defined(I_FCNTL)
130 # if defined(HAS_FCNTL) && defined(FCNTL_CAN_LOCK)
131 # define FLOCK fcntl_emulate_flock
132 # define FCNTL_EMULATE_FLOCK
133 # else /* no flock() or fcntl(F_SETLK,...) */
135 # define FLOCK lockf_emulate_flock
136 # define LOCKF_EMULATE_FLOCK
138 # endif /* no flock() or fcntl(F_SETLK,...) */
141 static int FLOCK (int, int);
144 * These are the flock() constants. Since this sytems doesn't have
145 * flock(), the values of the constants are probably not available.
159 # endif /* emulating flock() */
161 #endif /* no flock() */
164 static char zero_but_true[ZBTLEN + 1] = "0 but true";
166 #if defined(I_SYS_ACCESS) && !defined(R_OK)
167 # include <sys/access.h>
170 #if defined(HAS_FCNTL) && defined(F_SETFD) && !defined(FD_CLOEXEC)
171 # define FD_CLOEXEC 1 /* NeXT needs this */
174 #undef PERL_EFF_ACCESS_R_OK /* EFFective uid/gid ACCESS R_OK */
175 #undef PERL_EFF_ACCESS_W_OK
176 #undef PERL_EFF_ACCESS_X_OK
178 /* F_OK unused: if stat() cannot find it... */
180 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) && defined(EFF_ONLY_OK) && !defined(NO_EFF_ONLY_OK)
181 /* Digital UNIX (when the EFF_ONLY_OK gets fixed), UnixWare */
182 # define PERL_EFF_ACCESS_R_OK(p) (access((p), R_OK | EFF_ONLY_OK))
183 # define PERL_EFF_ACCESS_W_OK(p) (access((p), W_OK | EFF_ONLY_OK))
184 # define PERL_EFF_ACCESS_X_OK(p) (access((p), X_OK | EFF_ONLY_OK))
187 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_EACCESS)
188 # ifdef I_SYS_SECURITY
189 # include <sys/security.h>
193 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK, ACC_SELF))
194 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK, ACC_SELF))
195 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK, ACC_SELF))
198 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK))
199 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK))
200 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK))
204 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESSX) && defined(ACC_SELF)
206 # define PERL_EFF_ACCESS_R_OK(p) (accessx((p), R_OK, ACC_SELF))
207 # define PERL_EFF_ACCESS_W_OK(p) (accessx((p), W_OK, ACC_SELF))
208 # define PERL_EFF_ACCESS_X_OK(p) (accessx((p), X_OK, ACC_SELF))
211 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) \
212 && (defined(HAS_SETREUID) || defined(HAS_SETRESUID) \
213 || defined(HAS_SETREGID) || defined(HAS_SETRESGID))
216 S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
218 Uid_t ruid = getuid();
219 Uid_t euid = geteuid();
220 Gid_t rgid = getgid();
221 Gid_t egid = getegid();
225 #if !defined(HAS_SETREUID) && !defined(HAS_SETRESUID)
226 Perl_croak(aTHX_ "switching effective uid is not implemented");
229 if (setreuid(euid, ruid))
232 if (setresuid(euid, ruid, (Uid_t)-1))
235 Perl_croak(aTHX_ "entering effective uid failed");
238 #if !defined(HAS_SETREGID) && !defined(HAS_SETRESGID)
239 Perl_croak(aTHX_ "switching effective gid is not implemented");
242 if (setregid(egid, rgid))
245 if (setresgid(egid, rgid, (Gid_t)-1))
248 Perl_croak(aTHX_ "entering effective gid failed");
251 res = access(path, mode);
254 if (setreuid(ruid, euid))
257 if (setresuid(ruid, euid, (Uid_t)-1))
260 Perl_croak(aTHX_ "leaving effective uid failed");
263 if (setregid(rgid, egid))
266 if (setresgid(rgid, egid, (Gid_t)-1))
269 Perl_croak(aTHX_ "leaving effective gid failed");
274 # define PERL_EFF_ACCESS_R_OK(p) (emulate_eaccess((p), R_OK))
275 # define PERL_EFF_ACCESS_W_OK(p) (emulate_eaccess((p), W_OK))
276 # define PERL_EFF_ACCESS_X_OK(p) (emulate_eaccess((p), X_OK))
279 #if !defined(PERL_EFF_ACCESS_R_OK)
281 S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
283 Perl_croak(aTHX_ "switching effective uid is not implemented");
299 if (PL_op->op_private & OPpOPEN_IN_RAW)
301 else if (PL_op->op_private & OPpOPEN_IN_CRLF)
303 fp = PerlProc_popen(tmps, mode);
305 if (gimme == G_VOID) {
307 while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
311 else if (gimme == G_SCALAR) {
312 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
313 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
324 if (sv_gets(sv, fp, 0) == Nullch) {
328 XPUSHs(sv_2mortal(sv));
329 if (SvLEN(sv) - SvCUR(sv) > 20) {
330 SvLEN_set(sv, SvCUR(sv)+1);
331 Renew(SvPVX(sv), SvLEN(sv), char);
336 STATUS_NATIVE_SET(PerlProc_pclose(fp));
337 TAINT; /* "I believe that this is not gratuitous!" */
340 STATUS_NATIVE_SET(-1);
341 if (gimme == G_SCALAR)
351 tryAMAGICunTARGET(iter, -1);
353 /* Note that we only ever get here if File::Glob fails to load
354 * without at the same time croaking, for some reason, or if
355 * perl was built with PERL_EXTERNAL_GLOB */
362 * The external globbing program may use things we can't control,
363 * so for security reasons we must assume the worst.
366 taint_proper(PL_no_security, "glob");
370 SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */
371 PL_last_in_gv = (GV*)*PL_stack_sp--;
373 SAVESPTR(PL_rs); /* This is not permanent, either. */
374 PL_rs = sv_2mortal(newSVpvn("\000", 1));
377 *SvPVX(PL_rs) = '\n';
381 result = do_readline();
386 #if 0 /* XXX never used! */
390 PL_last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*PL_stack_sp--)), n_a), TRUE,SVt_PVIO);
391 return do_readline();
397 PL_last_in_gv = cGVOP_gv;
398 return do_readline();
407 if (SP - MARK != 1) {
409 do_join(TARG, &PL_sv_no, MARK, SP);
416 tmps = SvPV(tmpsv, len);
419 (void)SvUPGRADE(error, SVt_PV);
420 if (SvPOK(error) && SvCUR(error))
421 sv_catpv(error, "\t...caught");
423 tmps = SvPV(tmpsv, len);
426 tmpsv = sv_2mortal(newSVpvn("Warning: something's wrong", 26));
428 Perl_warn(aTHX_ "%"SVf, tmpsv);
439 if (SP - MARK != 1) {
441 do_join(TARG, &PL_sv_no, MARK, SP);
443 tmps = SvPV(tmpsv, len);
449 tmps = SvROK(tmpsv) ? 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--);
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);
509 DIE(aTHX_ PL_no_usym, "filehandle");
514 DIE(aTHX_ PL_no_usym, "filehandle");
516 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
518 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
520 XPUSHs(SvTIED_obj((SV*)gv, mg));
526 call_method("OPEN", G_SCALAR);
532 tmps = SvPV(sv, len);
533 if (do_open9(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp, name, have_name))
534 PUSHi( (I32)PL_forkprocess );
535 else if (PL_forkprocess == 0) /* we are a new child */
553 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
555 XPUSHs(SvTIED_obj((SV*)gv, mg));
558 call_method("CLOSE", G_SCALAR);
564 PUSHs(boolSV(do_close(gv, TRUE)));
584 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
585 DIE(aTHX_ PL_no_usym, "filehandle");
590 do_close(rgv, FALSE);
592 do_close(wgv, FALSE);
594 if (PerlProc_pipe(fd) < 0)
597 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
598 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
599 IoIFP(wstio) = IoOFP(wstio);
600 IoTYPE(rstio) = IoTYPE_RDONLY;
601 IoTYPE(wstio) = IoTYPE_WRONLY;
603 if (!IoIFP(rstio) || !IoOFP(wstio)) {
604 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
605 else PerlLIO_close(fd[0]);
606 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
607 else PerlLIO_close(fd[1]);
610 #if defined(HAS_FCNTL) && defined(F_SETFD)
611 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
612 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
619 DIE(aTHX_ PL_no_func, "pipe");
635 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
637 XPUSHs(SvTIED_obj((SV*)gv, mg));
640 call_method("FILENO", G_SCALAR);
646 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
648 PUSHi(PerlIO_fileno(fp));
659 anum = PerlLIO_umask(0);
660 (void)PerlLIO_umask(anum);
663 anum = PerlLIO_umask(POPi);
664 TAINT_PROPER("umask");
667 /* Only DIE if trying to restrict permissions on `user' (self).
668 * Otherwise it's harmless and more useful to just return undef
669 * since 'group' and 'other' concepts probably don't exist here. */
670 if (MAXARG >= 1 && (POPi & 0700))
671 DIE(aTHX_ "umask not implemented");
672 XPUSHs(&PL_sv_undef);
693 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
695 XPUSHs(SvTIED_obj((SV*)gv, mg));
700 call_method("BINMODE", G_SCALAR);
707 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
710 if (do_binmode(fp,IoTYPE(io),mode_from_discipline(discp)))
724 I32 markoff = MARK - PL_stack_base;
731 switch(SvTYPE(varsv)) {
733 methname = "TIEHASH";
736 methname = "TIEARRAY";
739 methname = "TIEHANDLE";
743 methname = "TIESCALAR";
748 if (sv_isobject(*MARK)) {
750 PUSHSTACKi(PERLSI_MAGIC);
756 call_method(methname, G_SCALAR);
759 /* Not clear why we don't call call_method here too.
760 * perhaps to get different error message ?
762 stash = gv_stashsv(*MARK, FALSE);
763 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
764 DIE(aTHX_ "Can't locate object method \"%s\" via package \"%s\"",
765 methname, SvPV(*MARK,n_a));
768 PUSHSTACKi(PERLSI_MAGIC);
774 call_sv((SV*)GvCV(gv), G_SCALAR);
780 if (sv_isobject(sv)) {
781 sv_unmagic(varsv, how);
782 /* Croak if a self-tie on an aggregate is attempted. */
783 if (varsv == SvRV(sv) &&
784 (SvTYPE(sv) == SVt_PVAV ||
785 SvTYPE(sv) == SVt_PVHV))
787 "Self-ties of arrays and hashes are not supported");
788 sv_magic(varsv, sv, how, Nullch, 0);
791 SP = PL_stack_base + markoff;
800 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
803 if ((mg = SvTIED_mg(sv, how))) {
804 SV *obj = SvRV(mg->mg_obj);
807 if ((gv = gv_fetchmethod_autoload(SvSTASH(obj), "UNTIE", FALSE)) &&
808 isGV(gv) && (cv = GvCV(gv))) {
810 XPUSHs(SvTIED_obj((SV*)gv, mg));
811 XPUSHs(sv_2mortal(newSViv(SvREFCNT(obj)-1)));
814 call_sv((SV *)cv, G_VOID);
818 else if (ckWARN(WARN_UNTIE)) {
819 if (mg && SvREFCNT(obj) > 1)
820 Perl_warner(aTHX_ WARN_UNTIE,
821 "untie attempted while %"UVuf" inner references still exist",
822 (UV)SvREFCNT(obj) - 1 ) ;
833 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
836 if ((mg = SvTIED_mg(sv, how))) {
837 SV *osv = SvTIED_obj(sv, mg);
838 if (osv == mg->mg_obj)
839 osv = sv_mortalcopy(osv);
857 sv = sv_mortalcopy(&PL_sv_no);
858 sv_setpv(sv, "AnyDBM_File");
859 stash = gv_stashsv(sv, FALSE);
860 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
862 require_pv("AnyDBM_File.pm");
864 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
865 DIE(aTHX_ "No dbm on this machine");
875 PUSHs(sv_2mortal(newSVuv(O_RDWR|O_CREAT)));
877 PUSHs(sv_2mortal(newSVuv(O_RDWR)));
880 call_sv((SV*)GvCV(gv), G_SCALAR);
883 if (!sv_isobject(TOPs)) {
888 PUSHs(sv_2mortal(newSVuv(O_RDONLY)));
891 call_sv((SV*)GvCV(gv), G_SCALAR);
895 if (sv_isobject(TOPs)) {
896 sv_unmagic((SV *) hv, 'P');
897 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
919 struct timeval timebuf;
920 struct timeval *tbuf = &timebuf;
924 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
929 # if BYTEORDER & 0xf0000
930 # define ORDERBYTE (0x88888888 - BYTEORDER)
932 # define ORDERBYTE (0x4444 - BYTEORDER)
938 for (i = 1; i <= 3; i++) {
946 /* little endians can use vecs directly */
947 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
948 # if SELECT_MIN_BITS > 1
949 /* If SELECT_MIN_BITS is greater than one we most probably will want
950 * to align the sizes with SELECT_MIN_BITS/8 because for example
951 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
952 * UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates
953 * on (sets/tests/clears bits) is 32 bits. */
954 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
956 growsize = sizeof(fd_set);
965 masksize = NFDBITS / NBBY;
967 masksize = sizeof(long); /* documented int, everyone seems to use long */
969 growsize = maxlen + (masksize - (maxlen % masksize));
970 Zero(&fd_sets[0], 4, char*);
978 timebuf.tv_sec = (long)value;
979 value -= (NV)timebuf.tv_sec;
980 timebuf.tv_usec = (long)(value * 1000000.0);
983 tbuf = Null(struct timeval*);
985 for (i = 1; i <= 3; i++) {
992 SvPV_force(sv,n_a); /* force string conversion */
995 Sv_Grow(sv, growsize);
999 while (++j <= growsize) {
1003 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1005 New(403, fd_sets[i], growsize, char);
1006 for (offset = 0; offset < growsize; offset += masksize) {
1007 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1008 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1011 fd_sets[i] = SvPVX(sv);
1015 nfound = PerlSock_select(
1017 (Select_fd_set_t) fd_sets[1],
1018 (Select_fd_set_t) fd_sets[2],
1019 (Select_fd_set_t) fd_sets[3],
1021 for (i = 1; i <= 3; i++) {
1024 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1026 for (offset = 0; offset < growsize; offset += masksize) {
1027 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1028 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1030 Safefree(fd_sets[i]);
1037 if (GIMME == G_ARRAY && tbuf) {
1038 value = (NV)(timebuf.tv_sec) +
1039 (NV)(timebuf.tv_usec) / 1000000.0;
1040 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1041 sv_setnv(sv, value);
1045 DIE(aTHX_ "select not implemented");
1050 Perl_setdefout(pTHX_ GV *gv)
1054 (void)SvREFCNT_inc(gv);
1056 SvREFCNT_dec(PL_defoutgv);
1063 GV *newdefout, *egv;
1066 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1068 egv = GvEGV(PL_defoutgv);
1073 XPUSHs(&PL_sv_undef);
1075 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1076 if (gvp && *gvp == egv) {
1077 gv_efullname4(TARG, PL_defoutgv, Nullch, TRUE);
1081 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1086 if (!GvIO(newdefout))
1087 gv_IOadd(newdefout);
1088 setdefout(newdefout);
1105 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1106 I32 gimme = GIMME_V;
1108 XPUSHs(SvTIED_obj((SV*)gv, mg));
1111 call_method("GETC", gimme);
1114 if (gimme == G_SCALAR)
1115 SvSetMagicSV_nosteal(TARG, TOPs);
1118 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1121 sv_setpv(TARG, " ");
1122 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1129 return pp_sysread();
1133 S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
1136 register PERL_CONTEXT *cx;
1137 I32 gimme = GIMME_V;
1138 AV* padlist = CvPADLIST(cv);
1139 SV** svp = AvARRAY(padlist);
1145 PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp);
1147 SAVEVPTR(PL_curpad);
1148 PL_curpad = AvARRAY((AV*)svp[1]);
1150 setdefout(gv); /* locally select filehandle so $% et al work */
1183 SV *tmpsv = sv_newmortal();
1184 gv_efullname4(tmpsv, fgv, Nullch, FALSE);
1185 name = SvPV_nolen(tmpsv);
1188 DIE(aTHX_ "Undefined format \"%s\" called", name);
1189 DIE(aTHX_ "Not a format reference");
1192 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1194 IoFLAGS(io) &= ~IOf_DIDTOP;
1195 return doform(cv,gv,PL_op->op_next);
1201 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1202 register IO *io = GvIOp(gv);
1203 PerlIO *ofp = IoOFP(io);
1207 register PERL_CONTEXT *cx;
1209 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1210 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1211 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1212 PL_formtarget != PL_toptarget)
1216 if (!IoTOP_GV(io)) {
1220 if (!IoTOP_NAME(io)) {
1221 if (!IoFMT_NAME(io))
1222 IoFMT_NAME(io) = savepv(GvNAME(gv));
1223 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
1224 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1225 if ((topgv && GvFORM(topgv)) ||
1226 !gv_fetchpv("top",FALSE,SVt_PVFM))
1227 IoTOP_NAME(io) = savepv(SvPVX(topname));
1229 IoTOP_NAME(io) = savepv("top");
1231 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1232 if (!topgv || !GvFORM(topgv)) {
1233 IoLINES_LEFT(io) = 100000000;
1236 IoTOP_GV(io) = topgv;
1238 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1239 I32 lines = IoLINES_LEFT(io);
1240 char *s = SvPVX(PL_formtarget);
1241 if (lines <= 0) /* Yow, header didn't even fit!!! */
1243 while (lines-- > 0) {
1244 s = strchr(s, '\n');
1250 PerlIO_write(ofp, SvPVX(PL_formtarget), s - SvPVX(PL_formtarget));
1251 sv_chop(PL_formtarget, s);
1252 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1255 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1256 PerlIO_write(ofp, SvPVX(PL_formfeed), SvCUR(PL_formfeed));
1257 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1259 PL_formtarget = PL_toptarget;
1260 IoFLAGS(io) |= IOf_DIDTOP;
1263 DIE(aTHX_ "bad top format reference");
1268 SV *sv = sv_newmortal();
1269 gv_efullname4(sv, fgv, Nullch, FALSE);
1270 name = SvPV_nolen(sv);
1273 DIE(aTHX_ "Undefined top format \"%s\" called",name);
1276 DIE(aTHX_ "Undefined top format called");
1280 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1281 return doform(cv,gv,PL_op);
1285 POPBLOCK(cx,PL_curpm);
1291 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1293 /* integrate with report_evil_fh()? */
1296 SV* sv = sv_newmortal();
1297 gv_efullname4(sv, gv, Nullch, FALSE);
1298 name = SvPV_nolen(sv);
1301 Perl_warner(aTHX_ WARN_IO,
1302 "Filehandle %s opened only for input", name);
1304 Perl_warner(aTHX_ WARN_IO,
1305 "Filehandle opened only for input");
1307 else if (ckWARN(WARN_CLOSED))
1308 report_evil_fh(gv, io, PL_op->op_type);
1313 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1314 if (ckWARN(WARN_IO))
1315 Perl_warner(aTHX_ WARN_IO, "page overflow");
1317 if (!PerlIO_write(ofp, SvPVX(PL_formtarget), SvCUR(PL_formtarget)) ||
1321 FmLINES(PL_formtarget) = 0;
1322 SvCUR_set(PL_formtarget, 0);
1323 *SvEND(PL_formtarget) = '\0';
1324 if (IoFLAGS(io) & IOf_FLUSH)
1325 (void)PerlIO_flush(fp);
1329 PL_formtarget = PL_bodytarget;
1331 return pop_return();
1336 djSP; dMARK; dORIGMARK;
1344 if (PL_op->op_flags & OPf_STACKED)
1349 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1350 if (MARK == ORIGMARK) {
1353 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1357 *MARK = SvTIED_obj((SV*)gv, mg);
1360 call_method("PRINTF", G_SCALAR);
1363 MARK = ORIGMARK + 1;
1370 if (!(io = GvIO(gv))) {
1372 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
1373 report_evil_fh(gv, io, PL_op->op_type);
1374 SETERRNO(EBADF,RMS$_IFI);
1377 else if (!(fp = IoOFP(io))) {
1378 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1379 /* integrate with report_evil_fh()? */
1383 gv_efullname4(sv, gv, Nullch, FALSE);
1384 name = SvPV_nolen(sv);
1387 Perl_warner(aTHX_ WARN_IO,
1388 "Filehandle %s opened only for input", name);
1390 Perl_warner(aTHX_ WARN_IO,
1391 "Filehandle opened only for input");
1393 else if (ckWARN(WARN_CLOSED))
1394 report_evil_fh(gv, io, PL_op->op_type);
1396 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1400 do_sprintf(sv, SP - MARK, MARK + 1);
1401 if (!do_print(sv, fp))
1404 if (IoFLAGS(io) & IOf_FLUSH)
1405 if (PerlIO_flush(fp) == EOF)
1416 PUSHs(&PL_sv_undef);
1437 /* Need TIEHANDLE method ? */
1439 tmps = SvPV(sv, len);
1440 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1441 IoLINES(GvIOp(gv)) = 0;
1445 PUSHs(&PL_sv_undef);
1452 djSP; dMARK; dORIGMARK; dTARGET;
1458 Sock_size_t bufsize;
1464 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1465 (mg = SvTIED_mg((SV*)gv, 'q')))
1470 *MARK = SvTIED_obj((SV*)gv, mg);
1472 call_method("READ", G_SCALAR);
1485 sv_setpvn(bufsv, "", 0);
1486 buffer = SvPV_force(bufsv, blen);
1487 length = SvIVx(*++MARK);
1489 DIE(aTHX_ "Negative length");
1492 offset = SvIVx(*++MARK);
1496 if (!io || !IoIFP(io))
1499 if (PL_op->op_type == OP_RECV) {
1500 char namebuf[MAXPATHLEN];
1501 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1502 bufsize = sizeof (struct sockaddr_in);
1504 bufsize = sizeof namebuf;
1506 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1510 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1514 buffer = SvGROW(bufsv, length+1);
1515 /* 'offset' means 'flags' here */
1516 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1517 (struct sockaddr *)namebuf, &bufsize);
1520 SvCUR_set(bufsv, length);
1521 *SvEND(bufsv) = '\0';
1522 (void)SvPOK_only(bufsv);
1524 /* This should not be marked tainted if the fp is marked clean */
1525 if (!(IoFLAGS(io) & IOf_UNTAINT))
1526 SvTAINTED_on(bufsv);
1528 sv_setpvn(TARG, namebuf, bufsize);
1533 if (PL_op->op_type == OP_RECV)
1534 DIE(aTHX_ PL_no_sock_func, "recv");
1538 DIE(aTHX_ "Offset outside string");
1541 bufsize = SvCUR(bufsv);
1542 buffer = SvGROW(bufsv, length+offset+1);
1543 if (offset > bufsize) { /* Zero any newly allocated space */
1544 Zero(buffer+bufsize, offset-bufsize, char);
1546 if (PL_op->op_type == OP_SYSREAD) {
1547 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1548 if (IoTYPE(io) == IoTYPE_SOCKET) {
1549 length = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1550 buffer+offset, length, 0);
1555 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1556 buffer+offset, length);
1560 #ifdef HAS_SOCKET__bad_code_maybe
1561 if (IoTYPE(io) == IoTYPE_SOCKET) {
1562 char namebuf[MAXPATHLEN];
1563 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1564 bufsize = sizeof (struct sockaddr_in);
1566 bufsize = sizeof namebuf;
1568 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1569 (struct sockaddr *)namebuf, &bufsize);
1574 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1575 /* fread() returns 0 on both error and EOF */
1576 if (length == 0 && PerlIO_error(IoIFP(io)))
1580 if ((IoTYPE(io) == IoTYPE_WRONLY || IoIFP(io) == PerlIO_stdout()
1581 || IoIFP(io) == PerlIO_stderr()) && ckWARN(WARN_IO))
1583 /* integrate with report_evil_fh()? */
1586 SV* sv = sv_newmortal();
1587 gv_efullname4(sv, gv, Nullch, FALSE);
1588 name = SvPV_nolen(sv);
1591 Perl_warner(aTHX_ WARN_IO,
1592 "Filehandle %s opened only for output", name);
1594 Perl_warner(aTHX_ WARN_IO,
1595 "Filehandle opened only for output");
1599 SvCUR_set(bufsv, length+offset);
1600 *SvEND(bufsv) = '\0';
1601 (void)SvPOK_only(bufsv);
1603 /* This should not be marked tainted if the fp is marked clean */
1604 if (!(IoFLAGS(io) & IOf_UNTAINT))
1605 SvTAINTED_on(bufsv);
1618 int items = (SP - PL_stack_base) - TOPMARK;
1622 sv = sv_2mortal(newSViv(sv_len(*SP)));
1631 djSP; dMARK; dORIGMARK; dTARGET;
1643 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1647 *MARK = SvTIED_obj((SV*)gv, mg);
1649 call_method("WRITE", G_SCALAR);
1660 buffer = SvPV(bufsv, blen);
1661 #if Size_t_size > IVSIZE
1662 length = (Size_t)SvNVx(*++MARK);
1664 length = (Size_t)SvIVx(*++MARK);
1666 if ((SSize_t)length < 0)
1667 DIE(aTHX_ "Negative length");
1670 if (!io || !IoIFP(io)) {
1672 if (ckWARN(WARN_CLOSED))
1673 report_evil_fh(gv, io, PL_op->op_type);
1675 else if (PL_op->op_type == OP_SYSWRITE) {
1677 offset = SvIVx(*++MARK);
1680 DIE(aTHX_ "Offset outside string");
1682 } else if (offset >= blen && blen > 0)
1683 DIE(aTHX_ "Offset outside string");
1686 if (length > blen - offset)
1687 length = blen - offset;
1688 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1689 if (IoTYPE(io) == IoTYPE_SOCKET) {
1690 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1691 buffer+offset, length, 0);
1696 /* See the note at doio.c:do_print about filesize limits. --jhi */
1697 retval = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1698 buffer+offset, length);
1702 else if (SP > MARK) {
1705 sockbuf = SvPVx(*++MARK, mlen);
1706 retval = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen,
1707 length, (struct sockaddr *)sockbuf, mlen);
1710 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1714 DIE(aTHX_ PL_no_sock_func, "send");
1719 #if Size_t_size > IVSIZE
1733 return pp_sysread();
1743 if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */
1745 gv = PL_last_in_gv = PL_argvgv;
1747 if (io && !IoIFP(io)) {
1748 if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) {
1750 IoFLAGS(io) &= ~IOf_START;
1751 do_open(gv, "-", 1, FALSE, O_RDONLY, 0, Nullfp);
1752 sv_setpvn(GvSV(gv), "-", 1);
1753 SvSETMAGIC(GvSV(gv));
1755 else if (!nextargv(gv))
1760 gv = PL_last_in_gv; /* eof */
1763 gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */
1765 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1767 XPUSHs(SvTIED_obj((SV*)gv, mg));
1770 call_method("EOF", G_SCALAR);
1776 PUSHs(boolSV(!gv || do_eof(gv)));
1789 gv = PL_last_in_gv = (GV*)POPs;
1791 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1793 XPUSHs(SvTIED_obj((SV*)gv, mg));
1796 call_method("TELL", G_SCALAR);
1802 #if LSEEKSIZE > IVSIZE
1803 PUSHn( do_tell(gv) );
1805 PUSHi( do_tell(gv) );
1812 return pp_sysseek();
1820 #if LSEEKSIZE > IVSIZE
1821 Off_t offset = (Off_t)SvNVx(POPs);
1823 Off_t offset = (Off_t)SvIVx(POPs);
1827 gv = PL_last_in_gv = (GV*)POPs;
1829 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1831 XPUSHs(SvTIED_obj((SV*)gv, mg));
1832 #if LSEEKSIZE > IVSIZE
1833 XPUSHs(sv_2mortal(newSVnv((NV) offset)));
1835 XPUSHs(sv_2mortal(newSViv(offset)));
1837 XPUSHs(sv_2mortal(newSViv(whence)));
1840 call_method("SEEK", G_SCALAR);
1846 if (PL_op->op_type == OP_SEEK)
1847 PUSHs(boolSV(do_seek(gv, offset, whence)));
1849 Off_t sought = do_sysseek(gv, offset, whence);
1851 PUSHs(&PL_sv_undef);
1854 #if LSEEKSIZE > IVSIZE
1859 : newSVpvn(zero_but_true, ZBTLEN);
1860 PUSHs(sv_2mortal(sv));
1869 /* There seems to be no consensus on the length type of truncate()
1870 * and ftruncate(), both off_t and size_t have supporters. In
1871 * general one would think that when using large files, off_t is
1872 * at least as wide as size_t, so using an off_t should be okay. */
1873 /* XXX Configure probe for the length type of *truncate() needed XXX */
1879 #if Size_t_size > IVSIZE
1884 /* Checking for length < 0 is problematic as the type might or
1885 * might not be signed: if it is not, clever compilers will moan. */
1886 /* XXX Configure probe for the signedness of the length type of *truncate() needed? XXX */
1888 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1889 if (PL_op->op_flags & OPf_SPECIAL) {
1890 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1892 TAINT_PROPER("truncate");
1893 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)))
1896 PerlIO_flush(IoIFP(GvIOp(tmpgv)));
1898 if (ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1900 if (my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1910 if (SvTYPE(sv) == SVt_PVGV) {
1911 tmpgv = (GV*)sv; /* *main::FRED for example */
1914 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1915 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1919 name = SvPV(sv, n_a);
1920 TAINT_PROPER("truncate");
1922 if (truncate(name, len) < 0)
1927 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1930 if (my_chsize(tmpfd, len) < 0)
1932 PerlLIO_close(tmpfd);
1941 SETERRNO(EBADF,RMS$_IFI);
1944 DIE(aTHX_ "truncate not implemented");
1957 unsigned int func = U_I(POPn);
1958 int optype = PL_op->op_type;
1964 if (!io || !argsv || !IoIFP(io)) {
1965 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1969 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1972 s = SvPV_force(argsv, len);
1973 need = IOCPARM_LEN(func);
1975 s = Sv_Grow(argsv, need + 1);
1976 SvCUR_set(argsv, need);
1979 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1982 retval = SvIV(argsv);
1983 s = INT2PTR(char*,retval); /* ouch */
1986 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1988 if (optype == OP_IOCTL)
1990 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1992 DIE(aTHX_ "ioctl is not implemented");
1996 #if defined(OS2) && defined(__EMX__)
1997 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1999 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
2002 DIE(aTHX_ "fcntl is not implemented");
2006 if (s[SvCUR(argsv)] != 17)
2007 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
2008 PL_op_name[optype]);
2009 s[SvCUR(argsv)] = 0; /* put our null back */
2010 SvSETMAGIC(argsv); /* Assume it has changed */
2019 PUSHp(zero_but_true, ZBTLEN);
2039 if (gv && (io = GvIO(gv)))
2046 (void)PerlIO_flush(fp);
2047 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
2050 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2051 report_evil_fh(gv, io, PL_op->op_type);
2053 SETERRNO(EBADF,RMS$_IFI);
2058 DIE(aTHX_ PL_no_func, "flock()");
2070 int protocol = POPi;
2078 SETERRNO(EBADF,LIB$_INVARG);
2084 do_close(gv, FALSE);
2086 TAINT_PROPER("socket");
2087 fd = PerlSock_socket(domain, type, protocol);
2090 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
2091 IoOFP(io) = PerlIO_fdopen(fd, "w");
2092 IoTYPE(io) = IoTYPE_SOCKET;
2093 if (!IoIFP(io) || !IoOFP(io)) {
2094 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2095 if (IoOFP(io)) PerlIO_close(IoOFP(io));
2096 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
2099 #if defined(HAS_FCNTL) && defined(F_SETFD)
2100 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2105 DIE(aTHX_ PL_no_sock_func, "socket");
2112 #ifdef HAS_SOCKETPAIR
2117 int protocol = POPi;
2130 do_close(gv1, FALSE);
2132 do_close(gv2, FALSE);
2134 TAINT_PROPER("socketpair");
2135 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2137 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2138 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2139 IoTYPE(io1) = IoTYPE_SOCKET;
2140 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2141 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2142 IoTYPE(io2) = IoTYPE_SOCKET;
2143 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2144 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2145 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2146 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2147 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2148 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2149 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2152 #if defined(HAS_FCNTL) && defined(F_SETFD)
2153 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
2154 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
2159 DIE(aTHX_ PL_no_sock_func, "socketpair");
2167 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2168 extern GETPRIVMODE();
2169 extern GETUSERMODE();
2174 register IO *io = GvIOn(gv);
2178 int mpeprivmode = 0;
2181 if (!io || !IoIFP(io))
2184 addr = SvPV(addrsv, len);
2185 TAINT_PROPER("bind");
2186 #ifdef MPE /* Deal with MPE bind() peculiarities */
2187 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2188 /* The address *MUST* stupidly be zero. */
2189 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2190 /* PRIV mode is required to bind() to ports < 1024. */
2191 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2192 ((struct sockaddr_in *)addr)->sin_port > 0) {
2193 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2198 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2199 (struct sockaddr *)addr, len) >= 0)
2202 #ifdef MPE /* Switch back to USER mode */
2213 if (ckWARN(WARN_CLOSED))
2214 report_evil_fh(gv, io, PL_op->op_type);
2215 SETERRNO(EBADF,SS$_IVCHAN);
2218 DIE(aTHX_ PL_no_sock_func, "bind");
2229 register IO *io = GvIOn(gv);
2232 if (!io || !IoIFP(io))
2235 addr = SvPV(addrsv, len);
2236 TAINT_PROPER("connect");
2237 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2243 if (ckWARN(WARN_CLOSED))
2244 report_evil_fh(gv, io, PL_op->op_type);
2245 SETERRNO(EBADF,SS$_IVCHAN);
2248 DIE(aTHX_ PL_no_sock_func, "connect");
2258 register IO *io = GvIOn(gv);
2260 if (!io || !IoIFP(io))
2263 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2269 if (ckWARN(WARN_CLOSED))
2270 report_evil_fh(gv, io, PL_op->op_type);
2271 SETERRNO(EBADF,SS$_IVCHAN);
2274 DIE(aTHX_ PL_no_sock_func, "listen");
2286 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2287 Sock_size_t len = sizeof saddr;
2299 if (!gstio || !IoIFP(gstio))
2304 do_close(ngv, FALSE);
2306 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2309 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2310 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2311 IoTYPE(nstio) = IoTYPE_SOCKET;
2312 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2313 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2314 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2315 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2318 #if defined(HAS_FCNTL) && defined(F_SETFD)
2319 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2323 len = sizeof saddr; /* EPOC somehow truncates info */
2326 PUSHp((char *)&saddr, len);
2330 if (ckWARN(WARN_CLOSED))
2331 report_evil_fh(ggv, ggv ? GvIO(ggv) : 0, PL_op->op_type);
2332 SETERRNO(EBADF,SS$_IVCHAN);
2338 DIE(aTHX_ PL_no_sock_func, "accept");
2348 register IO *io = GvIOn(gv);
2350 if (!io || !IoIFP(io))
2353 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2357 if (ckWARN(WARN_CLOSED))
2358 report_evil_fh(gv, io, PL_op->op_type);
2359 SETERRNO(EBADF,SS$_IVCHAN);
2362 DIE(aTHX_ PL_no_sock_func, "shutdown");
2369 return pp_ssockopt();
2371 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2379 int optype = PL_op->op_type;
2382 unsigned int optname;
2388 if (optype == OP_GSOCKOPT)
2389 sv = sv_2mortal(NEWSV(22, 257));
2392 optname = (unsigned int) POPi;
2393 lvl = (unsigned int) POPi;
2397 if (!io || !IoIFP(io))
2400 fd = PerlIO_fileno(IoIFP(io));
2404 (void)SvPOK_only(sv);
2408 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2423 aint = (int)SvIV(sv);
2427 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2436 if (ckWARN(WARN_CLOSED))
2437 report_evil_fh(gv, io, optype);
2438 SETERRNO(EBADF,SS$_IVCHAN);
2443 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2450 return pp_getpeername();
2452 DIE(aTHX_ PL_no_sock_func, "getsockname");
2460 int optype = PL_op->op_type;
2464 register IO *io = GvIOn(gv);
2467 if (!io || !IoIFP(io))
2470 sv = sv_2mortal(NEWSV(22, 257));
2471 (void)SvPOK_only(sv);
2475 fd = PerlIO_fileno(IoIFP(io));
2477 case OP_GETSOCKNAME:
2478 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2481 case OP_GETPEERNAME:
2482 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2484 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2486 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";
2487 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2488 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2489 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2490 sizeof(u_short) + sizeof(struct in_addr))) {
2497 #ifdef BOGUS_GETNAME_RETURN
2498 /* Interactive Unix, getpeername() and getsockname()
2499 does not return valid namelen */
2500 if (len == BOGUS_GETNAME_RETURN)
2501 len = sizeof(struct sockaddr);
2509 if (ckWARN(WARN_CLOSED))
2510 report_evil_fh(gv, io, optype);
2511 SETERRNO(EBADF,SS$_IVCHAN);
2516 DIE(aTHX_ PL_no_sock_func, "getpeername");
2535 if (PL_op->op_flags & OPf_REF) {
2537 if (PL_op->op_type == OP_LSTAT) {
2538 if (PL_laststype != OP_LSTAT)
2539 Perl_croak(aTHX_ "The stat preceding lstat() wasn't an lstat");
2540 if (ckWARN(WARN_IO) && gv != PL_defgv)
2541 Perl_warner(aTHX_ WARN_IO,
2542 "lstat() on filehandle %s", GvENAME(gv));
2543 /* Perl_my_lstat (-l) croak's on filehandle, why warn here? */
2547 if (gv != PL_defgv) {
2548 PL_laststype = OP_STAT;
2550 sv_setpv(PL_statname, "");
2551 PL_laststatval = (GvIO(gv) && IoIFP(GvIOp(gv))
2552 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(gv))), &PL_statcache) : -1);
2554 if (PL_laststatval < 0) {
2556 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2557 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
2563 if (SvTYPE(sv) == SVt_PVGV) {
2567 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2571 sv_setpv(PL_statname, SvPV(sv,n_a));
2574 PL_laststype = PL_op->op_type;
2575 if (PL_op->op_type == OP_LSTAT)
2576 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2579 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2580 if (PL_laststatval < 0) {
2581 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2582 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2588 if (gimme != G_ARRAY) {
2589 if (gimme != G_VOID)
2590 XPUSHs(boolSV(max));
2596 PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev)));
2597 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino)));
2598 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_mode)));
2599 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_nlink)));
2600 #if Uid_t_size > IVSIZE
2601 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid)));
2603 # if Uid_t_sign <= 0
2604 PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid)));
2606 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_uid)));
2609 #if Gid_t_size > IVSIZE
2610 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid)));
2612 # if Gid_t_sign <= 0
2613 PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid)));
2615 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_gid)));
2618 #ifdef USE_STAT_RDEV
2619 PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev)));
2621 PUSHs(sv_2mortal(newSVpvn("", 0)));
2623 #if Off_t_size > IVSIZE
2624 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_size)));
2626 PUSHs(sv_2mortal(newSViv(PL_statcache.st_size)));
2629 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime)));
2630 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime)));
2631 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime)));
2633 PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime)));
2634 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime)));
2635 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime)));
2637 #ifdef USE_STAT_BLOCKS
2638 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blksize)));
2639 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blocks)));
2641 PUSHs(sv_2mortal(newSVpvn("", 0)));
2642 PUSHs(sv_2mortal(newSVpvn("", 0)));
2652 #if defined(HAS_ACCESS) && defined(R_OK)
2654 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2655 result = access(TOPpx, R_OK);
2670 if (cando(S_IRUSR, 0, &PL_statcache))
2679 #if defined(HAS_ACCESS) && defined(W_OK)
2681 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2682 result = access(TOPpx, W_OK);
2697 if (cando(S_IWUSR, 0, &PL_statcache))
2706 #if defined(HAS_ACCESS) && defined(X_OK)
2708 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2709 result = access(TOPpx, X_OK);
2724 if (cando(S_IXUSR, 0, &PL_statcache))
2733 #ifdef PERL_EFF_ACCESS_R_OK
2735 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2736 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2751 if (cando(S_IRUSR, 1, &PL_statcache))
2760 #ifdef PERL_EFF_ACCESS_W_OK
2762 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2763 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2778 if (cando(S_IWUSR, 1, &PL_statcache))
2787 #ifdef PERL_EFF_ACCESS_X_OK
2789 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2790 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2805 if (cando(S_IXUSR, 1, &PL_statcache))
2812 I32 result = my_stat();
2821 return pp_ftrowned();
2826 I32 result = my_stat();
2830 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ?
2838 I32 result = my_stat();
2842 if (PL_statcache.st_size == 0)
2849 I32 result = my_stat();
2853 #if Off_t_size > IVSIZE
2854 PUSHn(PL_statcache.st_size);
2856 PUSHi(PL_statcache.st_size);
2863 I32 result = my_stat();
2867 PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
2873 I32 result = my_stat();
2877 PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
2883 I32 result = my_stat();
2887 PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
2893 I32 result = my_stat();
2897 if (S_ISSOCK(PL_statcache.st_mode))
2904 I32 result = my_stat();
2908 if (S_ISCHR(PL_statcache.st_mode))
2915 I32 result = my_stat();
2919 if (S_ISBLK(PL_statcache.st_mode))
2926 I32 result = my_stat();
2930 if (S_ISREG(PL_statcache.st_mode))
2937 I32 result = my_stat();
2941 if (S_ISDIR(PL_statcache.st_mode))
2948 I32 result = my_stat();
2952 if (S_ISFIFO(PL_statcache.st_mode))
2959 I32 result = my_lstat();
2963 if (S_ISLNK(PL_statcache.st_mode))
2972 I32 result = my_stat();
2976 if (PL_statcache.st_mode & S_ISUID)
2986 I32 result = my_stat();
2990 if (PL_statcache.st_mode & S_ISGID)
3000 I32 result = my_stat();
3004 if (PL_statcache.st_mode & S_ISVTX)
3015 char *tmps = Nullch;
3018 if (PL_op->op_flags & OPf_REF)
3020 else if (isGV(TOPs))
3022 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3023 gv = (GV*)SvRV(POPs);
3025 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
3027 if (GvIO(gv) && IoIFP(GvIOp(gv)))
3028 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
3029 else if (tmps && isDIGIT(*tmps))
3033 if (PerlLIO_isatty(fd))
3038 #if defined(atarist) /* this will work with atariST. Configure will
3039 make guesses for other systems. */
3040 # define FILE_base(f) ((f)->_base)
3041 # define FILE_ptr(f) ((f)->_ptr)
3042 # define FILE_cnt(f) ((f)->_cnt)
3043 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
3053 register STDCHAR *s;
3060 if (PL_op->op_flags & OPf_REF)
3062 else if (isGV(TOPs))
3064 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3065 gv = (GV*)SvRV(POPs);
3071 if (gv == PL_defgv) {
3073 io = GvIO(PL_statgv);
3076 goto really_filename;
3081 PL_laststatval = -1;
3082 sv_setpv(PL_statname, "");
3083 io = GvIO(PL_statgv);
3085 if (io && IoIFP(io)) {
3086 if (! PerlIO_has_base(IoIFP(io)))
3087 DIE(aTHX_ "-T and -B not implemented on filehandles");
3088 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
3089 if (PL_laststatval < 0)
3091 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
3092 if (PL_op->op_type == OP_FTTEXT)
3096 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
3097 i = PerlIO_getc(IoIFP(io));
3099 (void)PerlIO_ungetc(IoIFP(io),i);
3101 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
3103 len = PerlIO_get_bufsiz(IoIFP(io));
3104 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
3105 /* sfio can have large buffers - limit to 512 */
3111 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) {
3113 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
3115 SETERRNO(EBADF,RMS$_IFI);
3123 PL_laststatval = -1;
3124 sv_setpv(PL_statname, SvPV(sv, n_a));
3125 if (!(fp = PerlIO_open(SvPVX(PL_statname), "r"))) {
3126 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
3127 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
3130 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache);
3131 if (PL_laststatval < 0) {
3132 (void)PerlIO_close(fp);
3135 do_binmode(fp, '<', O_BINARY);
3136 len = PerlIO_read(fp, tbuf, sizeof(tbuf));
3137 (void)PerlIO_close(fp);
3139 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
3140 RETPUSHNO; /* special case NFS directories */
3141 RETPUSHYES; /* null file is anything */
3146 /* now scan s to look for textiness */
3147 /* XXX ASCII dependent code */
3149 #if defined(DOSISH) || defined(USEMYBINMODE)
3150 /* ignore trailing ^Z on short files */
3151 if (len && len < sizeof(tbuf) && tbuf[len-1] == 26)
3155 for (i = 0; i < len; i++, s++) {
3156 if (!*s) { /* null never allowed in text */
3161 else if (!(isPRINT(*s) || isSPACE(*s)))
3164 else if (*s & 128) {
3166 if ((PL_op->op_private & OPpLOCALE) && isALPHA_LC(*s))
3169 /* utf8 characters don't count as odd */
3171 int ulen = UTF8SKIP(s);
3172 if (ulen < len - i) {
3174 for (j = 1; j < ulen; j++) {
3175 if ((s[j] & 0xc0) != 0x80)
3178 --ulen; /* loop does extra increment */
3188 *s != '\n' && *s != '\r' && *s != '\b' &&
3189 *s != '\t' && *s != '\f' && *s != 27)
3194 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3218 if (!tmps || !*tmps) {
3219 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3221 tmps = SvPV(*svp, n_a);
3223 if (!tmps || !*tmps) {
3224 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3226 tmps = SvPV(*svp, n_a);
3229 if (!tmps || !*tmps) {
3230 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3232 tmps = SvPV(*svp, n_a);
3235 TAINT_PROPER("chdir");
3236 PUSHi( PerlDir_chdir(tmps) >= 0 );
3238 /* Clear the DEFAULT element of ENV so we'll get the new value
3240 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3247 djSP; dMARK; dTARGET;
3250 value = (I32)apply(PL_op->op_type, MARK, SP);
3255 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3266 TAINT_PROPER("chroot");
3267 PUSHi( chroot(tmps) >= 0 );
3270 DIE(aTHX_ PL_no_func, "chroot");
3276 djSP; dMARK; dTARGET;
3278 value = (I32)apply(PL_op->op_type, MARK, SP);
3286 djSP; dMARK; dTARGET;
3288 value = (I32)apply(PL_op->op_type, MARK, SP);
3296 djSP; dMARK; dTARGET;
3298 value = (I32)apply(PL_op->op_type, MARK, SP);
3310 char *tmps2 = POPpx;
3311 char *tmps = SvPV(TOPs, n_a);
3312 TAINT_PROPER("rename");
3314 anum = PerlLIO_rename(tmps, tmps2);
3316 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3317 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3320 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3321 (void)UNLINK(tmps2);
3322 if (!(anum = link(tmps, tmps2)))
3323 anum = UNLINK(tmps);
3336 char *tmps2 = POPpx;
3337 char *tmps = SvPV(TOPs, n_a);
3338 TAINT_PROPER("link");
3339 SETi( PerlLIO_link(tmps, tmps2) >= 0 );
3341 DIE(aTHX_ PL_no_func, "Unsupported function link");
3351 char *tmps2 = POPpx;
3352 char *tmps = SvPV(TOPs, n_a);
3353 TAINT_PROPER("symlink");
3354 SETi( symlink(tmps, tmps2) >= 0 );
3357 DIE(aTHX_ PL_no_func, "symlink");
3366 char buf[MAXPATHLEN];
3370 #ifndef INCOMPLETE_TAINTS
3374 len = readlink(tmps, buf, sizeof buf);
3382 RETSETUNDEF; /* just pretend it's a normal file */
3386 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3388 S_dooneliner(pTHX_ char *cmd, char *filename)
3390 char *save_filename = filename;
3396 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3397 strcpy(cmdline, cmd);
3398 strcat(cmdline, " ");
3399 for (s = cmdline + strlen(cmdline); *filename; ) {
3404 myfp = PerlProc_popen(cmdline, "r");
3408 SV *tmpsv = sv_newmortal();
3409 /* Need to save/restore 'PL_rs' ?? */
3410 s = sv_gets(tmpsv, myfp, 0);
3411 (void)PerlProc_pclose(myfp);
3415 #ifdef HAS_SYS_ERRLIST
3420 /* you don't see this */
3422 #ifdef HAS_SYS_ERRLIST
3430 if (instr(s, errmsg)) {
3437 #define EACCES EPERM
3439 if (instr(s, "cannot make"))
3440 SETERRNO(EEXIST,RMS$_FEX);
3441 else if (instr(s, "existing file"))
3442 SETERRNO(EEXIST,RMS$_FEX);
3443 else if (instr(s, "ile exists"))
3444 SETERRNO(EEXIST,RMS$_FEX);
3445 else if (instr(s, "non-exist"))
3446 SETERRNO(ENOENT,RMS$_FNF);
3447 else if (instr(s, "does not exist"))
3448 SETERRNO(ENOENT,RMS$_FNF);
3449 else if (instr(s, "not empty"))
3450 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3451 else if (instr(s, "cannot access"))
3452 SETERRNO(EACCES,RMS$_PRV);
3454 SETERRNO(EPERM,RMS$_PRV);
3457 else { /* some mkdirs return no failure indication */
3458 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3459 if (PL_op->op_type == OP_RMDIR)
3464 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3488 tmps = SvPV(TOPs, n_a);
3490 TAINT_PROPER("mkdir");
3492 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3494 SETi( dooneliner("mkdir", tmps) );
3495 oldumask = PerlLIO_umask(0);
3496 PerlLIO_umask(oldumask);
3497 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3509 TAINT_PROPER("rmdir");
3511 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3513 XPUSHi( dooneliner("rmdir", tmps) );
3518 /* Directory calls. */
3523 #if defined(Direntry_t) && defined(HAS_READDIR)
3525 char *dirname = POPpx;
3527 register IO *io = GvIOn(gv);
3533 PerlDir_close(IoDIRP(io));
3534 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3540 SETERRNO(EBADF,RMS$_DIR);
3543 DIE(aTHX_ PL_no_dir_func, "opendir");
3550 #if defined(Direntry_t) && defined(HAS_READDIR)
3552 Direntry_t *readdir (DIR *);
3554 register Direntry_t *dp;
3556 register IO *io = GvIOn(gv);
3559 if (!io || !IoDIRP(io))
3562 if (GIMME == G_ARRAY) {
3564 while ((dp = (Direntry_t *)PerlDir_read(IoDIRP(io)))) {
3566 sv = newSVpvn(dp->d_name, dp->d_namlen);
3568 sv = newSVpv(dp->d_name, 0);
3570 #ifndef INCOMPLETE_TAINTS
3571 if (!(IoFLAGS(io) & IOf_UNTAINT))
3574 XPUSHs(sv_2mortal(sv));
3578 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3581 sv = newSVpvn(dp->d_name, dp->d_namlen);
3583 sv = newSVpv(dp->d_name, 0);
3585 #ifndef INCOMPLETE_TAINTS
3586 if (!(IoFLAGS(io) & IOf_UNTAINT))
3589 XPUSHs(sv_2mortal(sv));
3595 SETERRNO(EBADF,RMS$_ISI);
3596 if (GIMME == G_ARRAY)
3601 DIE(aTHX_ PL_no_dir_func, "readdir");
3608 #if defined(HAS_TELLDIR) || defined(telldir)
3609 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3610 /* XXX netbsd still seemed to.
3611 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3612 --JHI 1999-Feb-02 */
3613 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3614 long telldir (DIR *);
3617 register IO *io = GvIOn(gv);
3619 if (!io || !IoDIRP(io))
3622 PUSHi( PerlDir_tell(IoDIRP(io)) );
3626 SETERRNO(EBADF,RMS$_ISI);
3629 DIE(aTHX_ PL_no_dir_func, "telldir");
3636 #if defined(HAS_SEEKDIR) || defined(seekdir)
3639 register IO *io = GvIOn(gv);
3641 if (!io || !IoDIRP(io))
3644 (void)PerlDir_seek(IoDIRP(io), along);
3649 SETERRNO(EBADF,RMS$_ISI);
3652 DIE(aTHX_ PL_no_dir_func, "seekdir");
3659 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3661 register IO *io = GvIOn(gv);
3663 if (!io || !IoDIRP(io))
3666 (void)PerlDir_rewind(IoDIRP(io));
3670 SETERRNO(EBADF,RMS$_ISI);
3673 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3680 #if defined(Direntry_t) && defined(HAS_READDIR)
3682 register IO *io = GvIOn(gv);
3684 if (!io || !IoDIRP(io))
3687 #ifdef VOID_CLOSEDIR
3688 PerlDir_close(IoDIRP(io));
3690 if (PerlDir_close(IoDIRP(io)) < 0) {
3691 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3700 SETERRNO(EBADF,RMS$_IFI);
3703 DIE(aTHX_ PL_no_dir_func, "closedir");
3707 /* Process control. */
3717 PERL_FLUSHALL_FOR_CHILD;
3723 if ((tmpgv = gv_fetchpv("$", TRUE, SVt_PV)))
3724 sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
3725 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3730 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3735 PERL_FLUSHALL_FOR_CHILD;
3736 childpid = PerlProc_fork();
3742 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3749 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3754 childpid = wait4pid(-1, &argflags, 0);
3755 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3756 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3757 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3759 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3764 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3770 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3778 childpid = wait4pid(childpid, &argflags, optype);
3779 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3780 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3781 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3783 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3788 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3794 djSP; dMARK; dORIGMARK; dTARGET;
3799 Sigsave_t ihand,qhand; /* place to save signals during system() */
3804 if (SP - MARK == 1) {
3806 char *junk = SvPV(TOPs, n_a);
3808 TAINT_PROPER("system");
3811 PERL_FLUSHALL_FOR_CHILD;
3812 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2) && !defined(__CYGWIN__) || defined(PERL_MICRO)
3813 if (PerlProc_pipe(pp) >= 0)
3815 while ((childpid = vfork()) == -1) {
3816 if (errno != EAGAIN) {
3821 PerlLIO_close(pp[0]);
3822 PerlLIO_close(pp[1]);
3830 PerlLIO_close(pp[1]);
3832 rsignal_save(SIGINT, SIG_IGN, &ihand);
3833 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3836 result = wait4pid(childpid, &status, 0);
3837 } while (result == -1 && errno == EINTR);
3839 (void)rsignal_restore(SIGINT, &ihand);
3840 (void)rsignal_restore(SIGQUIT, &qhand);
3842 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3843 do_execfree(); /* free any memory child malloced on vfork */
3849 while (n < sizeof(int)) {
3850 n1 = PerlLIO_read(pp[0],
3851 (void*)(((char*)&errkid)+n),
3857 PerlLIO_close(pp[0]);
3858 if (n) { /* Error */
3859 if (n != sizeof(int))
3860 DIE(aTHX_ "panic: kid popen errno read");
3861 errno = errkid; /* Propagate errno from kid */
3862 STATUS_CURRENT = -1;
3865 PUSHi(STATUS_CURRENT);
3869 PerlLIO_close(pp[0]);
3870 #if defined(HAS_FCNTL) && defined(F_SETFD)
3871 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
3874 if (PL_op->op_flags & OPf_STACKED) {
3875 SV *really = *++MARK;
3876 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
3878 else if (SP - MARK != 1)
3879 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
3881 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
3884 #else /* ! FORK or VMS or OS/2 */
3887 if (PL_op->op_flags & OPf_STACKED) {
3888 SV *really = *++MARK;
3889 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3891 else if (SP - MARK != 1)
3892 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3894 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3896 if (PL_statusvalue == -1) /* hint that value must be returned as is */
3898 STATUS_NATIVE_SET(value);
3901 PUSHi(result ? value : STATUS_CURRENT);
3902 #endif /* !FORK or VMS */
3908 djSP; dMARK; dORIGMARK; dTARGET;
3912 PERL_FLUSHALL_FOR_CHILD;
3913 if (PL_op->op_flags & OPf_STACKED) {
3914 SV *really = *++MARK;
3915 value = (I32)do_aexec(really, MARK, SP);
3917 else if (SP - MARK != 1)
3919 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3923 (void ) do_aspawn(Nullsv, MARK, SP);
3927 value = (I32)do_aexec(Nullsv, MARK, SP);
3932 char *junk = SvPV(*SP, n_a);
3934 TAINT_PROPER("exec");
3937 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3940 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3943 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3948 #if !defined(HAS_FORK) && defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3960 djSP; dMARK; dTARGET;
3963 value = (I32)apply(PL_op->op_type, MARK, SP);
3968 DIE(aTHX_ PL_no_func, "Unsupported function kill");
3976 XPUSHi( getppid() );
3979 DIE(aTHX_ PL_no_func, "getppid");
3995 pgrp = (I32)BSD_GETPGRP(pid);
3997 if (pid != 0 && pid != PerlProc_getpid())
3998 DIE(aTHX_ "POSIX getpgrp can't take an argument");
4004 DIE(aTHX_ PL_no_func, "getpgrp()");
4023 TAINT_PROPER("setpgrp");
4025 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
4027 if ((pgrp != 0 && pgrp != PerlProc_getpid())
4028 || (pid != 0 && pid != PerlProc_getpid()))
4030 DIE(aTHX_ "setpgrp can't take arguments");
4032 SETi( setpgrp() >= 0 );
4033 #endif /* USE_BSDPGRP */
4036 DIE(aTHX_ PL_no_func, "setpgrp()");
4045 #ifdef HAS_GETPRIORITY
4048 SETi( getpriority(which, who) );
4051 DIE(aTHX_ PL_no_func, "getpriority()");
4061 #ifdef HAS_SETPRIORITY
4065 TAINT_PROPER("setpriority");
4066 SETi( setpriority(which, who, niceval) >= 0 );
4069 DIE(aTHX_ PL_no_func, "setpriority()");
4079 XPUSHn( time(Null(Time_t*)) );
4081 XPUSHi( time(Null(Time_t*)) );
4086 /* XXX The POSIX name is CLK_TCK; it is to be preferred
4087 to HZ. Probably. For now, assume that if the system
4088 defines HZ, it does so correctly. (Will this break
4090 Probably we ought to use _sysconf(_SC_CLK_TCK), if
4091 it's supported. --AD 9/96.
4107 DIE(aTHX_ "times not implemented");
4112 (void)PerlProc_times(&PL_timesbuf);
4114 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
4115 /* struct tms, though same data */
4119 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
4120 if (GIMME == G_ARRAY) {
4121 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
4122 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
4123 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
4126 #endif /* HAS_TIMES */
4139 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
4140 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
4141 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
4147 when = (Time_t)SvNVx(POPs);
4149 when = (Time_t)SvIVx(POPs);
4152 if (PL_op->op_type == OP_LOCALTIME)
4153 tmbuf = localtime(&when);
4155 tmbuf = gmtime(&when);
4159 if (GIMME != G_ARRAY) {
4163 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
4164 dayname[tmbuf->tm_wday],
4165 monname[tmbuf->tm_mon],
4170 tmbuf->tm_year + 1900);
4171 PUSHs(sv_2mortal(tsv));
4174 PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec)));
4175 PUSHs(sv_2mortal(newSViv(tmbuf->tm_min)));
4176 PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour)));
4177 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday)));
4178 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon)));
4179 PUSHs(sv_2mortal(newSViv(tmbuf->tm_year)));
4180 PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday)));
4181 PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday)));
4182 PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst)));
4193 anum = alarm((unsigned int)anum);
4200 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
4211 (void)time(&lasttime);
4216 PerlProc_sleep((unsigned int)duration);
4219 XPUSHi(when - lasttime);
4223 /* Shared memory. */
4237 return pp_shmwrite();
4242 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4243 djSP; dMARK; dTARGET;
4244 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
4253 /* Message passing. */
4267 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4268 djSP; dMARK; dTARGET;
4269 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4280 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4281 djSP; dMARK; dTARGET;
4282 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4295 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4296 djSP; dMARK; dTARGET;
4297 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4304 DIE(aTHX_ "System V IPC is not implemented on this machine");
4310 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4311 djSP; dMARK; dTARGET;
4312 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4320 PUSHp(zero_but_true, ZBTLEN);
4330 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4331 djSP; dMARK; dTARGET;
4332 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4341 /* Get system info. */
4345 #ifdef HAS_GETHOSTBYNAME
4346 return pp_ghostent();
4348 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4354 #ifdef HAS_GETHOSTBYADDR
4355 return pp_ghostent();
4357 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4364 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4365 I32 which = PL_op->op_type;
4366 register char **elem;
4368 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4369 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4370 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4371 struct hostent *PerlSock_gethostent(void);
4373 struct hostent *hent;
4378 if (which == OP_GHBYNAME)
4379 #ifdef HAS_GETHOSTBYNAME
4380 hent = PerlSock_gethostbyname(POPpx);
4382 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4384 else if (which == OP_GHBYADDR) {
4385 #ifdef HAS_GETHOSTBYADDR
4386 int addrtype = POPi;
4389 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4391 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4393 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4397 #ifdef HAS_GETHOSTENT
4398 hent = PerlSock_gethostent();
4400 DIE(aTHX_ PL_no_sock_func, "gethostent");
4403 #ifdef HOST_NOT_FOUND
4405 STATUS_NATIVE_SET(h_errno);
4408 if (GIMME != G_ARRAY) {
4409 PUSHs(sv = sv_newmortal());
4411 if (which == OP_GHBYNAME) {
4413 sv_setpvn(sv, hent->h_addr, hent->h_length);
4416 sv_setpv(sv, (char*)hent->h_name);
4422 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4423 sv_setpv(sv, (char*)hent->h_name);
4424 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4425 for (elem = hent->h_aliases; elem && *elem; elem++) {
4426 sv_catpv(sv, *elem);
4428 sv_catpvn(sv, " ", 1);
4430 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4431 sv_setiv(sv, (IV)hent->h_addrtype);
4432 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4433 len = hent->h_length;
4434 sv_setiv(sv, (IV)len);
4436 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4437 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4438 sv_setpvn(sv, *elem, len);
4441 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4443 sv_setpvn(sv, hent->h_addr, len);
4448 DIE(aTHX_ PL_no_sock_func, "gethostent");
4454 #ifdef HAS_GETNETBYNAME
4455 return pp_gnetent();
4457 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4463 #ifdef HAS_GETNETBYADDR
4464 return pp_gnetent();
4466 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4473 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4474 I32 which = PL_op->op_type;
4475 register char **elem;
4477 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4478 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4479 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4480 struct netent *PerlSock_getnetent(void);
4482 struct netent *nent;
4485 if (which == OP_GNBYNAME)
4486 #ifdef HAS_GETNETBYNAME
4487 nent = PerlSock_getnetbyname(POPpx);
4489 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4491 else if (which == OP_GNBYADDR) {
4492 #ifdef HAS_GETNETBYADDR
4493 int addrtype = POPi;
4494 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4495 nent = PerlSock_getnetbyaddr(addr, addrtype);
4497 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4501 #ifdef HAS_GETNETENT
4502 nent = PerlSock_getnetent();
4504 DIE(aTHX_ PL_no_sock_func, "getnetent");
4508 if (GIMME != G_ARRAY) {
4509 PUSHs(sv = sv_newmortal());
4511 if (which == OP_GNBYNAME)
4512 sv_setiv(sv, (IV)nent->n_net);
4514 sv_setpv(sv, nent->n_name);
4520 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4521 sv_setpv(sv, nent->n_name);
4522 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4523 for (elem = nent->n_aliases; elem && *elem; elem++) {
4524 sv_catpv(sv, *elem);
4526 sv_catpvn(sv, " ", 1);
4528 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4529 sv_setiv(sv, (IV)nent->n_addrtype);
4530 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4531 sv_setiv(sv, (IV)nent->n_net);
4536 DIE(aTHX_ PL_no_sock_func, "getnetent");
4542 #ifdef HAS_GETPROTOBYNAME
4543 return pp_gprotoent();
4545 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4551 #ifdef HAS_GETPROTOBYNUMBER
4552 return pp_gprotoent();
4554 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4561 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4562 I32 which = PL_op->op_type;
4563 register char **elem;
4565 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4566 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4567 struct protoent *PerlSock_getprotobynumber(int);
4568 struct protoent *PerlSock_getprotoent(void);
4570 struct protoent *pent;
4573 if (which == OP_GPBYNAME)
4574 #ifdef HAS_GETPROTOBYNAME
4575 pent = PerlSock_getprotobyname(POPpx);
4577 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4579 else if (which == OP_GPBYNUMBER)
4580 #ifdef HAS_GETPROTOBYNUMBER
4581 pent = PerlSock_getprotobynumber(POPi);
4583 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4586 #ifdef HAS_GETPROTOENT
4587 pent = PerlSock_getprotoent();
4589 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4593 if (GIMME != G_ARRAY) {
4594 PUSHs(sv = sv_newmortal());
4596 if (which == OP_GPBYNAME)
4597 sv_setiv(sv, (IV)pent->p_proto);
4599 sv_setpv(sv, pent->p_name);
4605 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4606 sv_setpv(sv, pent->p_name);
4607 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4608 for (elem = pent->p_aliases; elem && *elem; elem++) {
4609 sv_catpv(sv, *elem);
4611 sv_catpvn(sv, " ", 1);
4613 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4614 sv_setiv(sv, (IV)pent->p_proto);
4619 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4625 #ifdef HAS_GETSERVBYNAME
4626 return pp_gservent();
4628 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4634 #ifdef HAS_GETSERVBYPORT
4635 return pp_gservent();
4637 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4644 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4645 I32 which = PL_op->op_type;
4646 register char **elem;
4648 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4649 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4650 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4651 struct servent *PerlSock_getservent(void);
4653 struct servent *sent;
4656 if (which == OP_GSBYNAME) {
4657 #ifdef HAS_GETSERVBYNAME
4658 char *proto = POPpx;
4661 if (proto && !*proto)
4664 sent = PerlSock_getservbyname(name, proto);
4666 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4669 else if (which == OP_GSBYPORT) {
4670 #ifdef HAS_GETSERVBYPORT
4671 char *proto = POPpx;
4672 unsigned short port = POPu;
4675 port = PerlSock_htons(port);
4677 sent = PerlSock_getservbyport(port, proto);
4679 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4683 #ifdef HAS_GETSERVENT
4684 sent = PerlSock_getservent();
4686 DIE(aTHX_ PL_no_sock_func, "getservent");
4690 if (GIMME != G_ARRAY) {
4691 PUSHs(sv = sv_newmortal());
4693 if (which == OP_GSBYNAME) {
4695 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4697 sv_setiv(sv, (IV)(sent->s_port));
4701 sv_setpv(sv, sent->s_name);
4707 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4708 sv_setpv(sv, sent->s_name);
4709 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4710 for (elem = sent->s_aliases; elem && *elem; elem++) {
4711 sv_catpv(sv, *elem);
4713 sv_catpvn(sv, " ", 1);
4715 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4717 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4719 sv_setiv(sv, (IV)(sent->s_port));
4721 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4722 sv_setpv(sv, sent->s_proto);
4727 DIE(aTHX_ PL_no_sock_func, "getservent");
4734 #ifdef HAS_SETHOSTENT
4735 PerlSock_sethostent(TOPi);
4738 DIE(aTHX_ PL_no_sock_func, "sethostent");
4745 #ifdef HAS_SETNETENT
4746 PerlSock_setnetent(TOPi);
4749 DIE(aTHX_ PL_no_sock_func, "setnetent");
4756 #ifdef HAS_SETPROTOENT
4757 PerlSock_setprotoent(TOPi);
4760 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4767 #ifdef HAS_SETSERVENT
4768 PerlSock_setservent(TOPi);
4771 DIE(aTHX_ PL_no_sock_func, "setservent");
4778 #ifdef HAS_ENDHOSTENT
4779 PerlSock_endhostent();
4783 DIE(aTHX_ PL_no_sock_func, "endhostent");
4790 #ifdef HAS_ENDNETENT
4791 PerlSock_endnetent();
4795 DIE(aTHX_ PL_no_sock_func, "endnetent");
4802 #ifdef HAS_ENDPROTOENT
4803 PerlSock_endprotoent();
4807 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4814 #ifdef HAS_ENDSERVENT
4815 PerlSock_endservent();
4819 DIE(aTHX_ PL_no_sock_func, "endservent");
4828 DIE(aTHX_ PL_no_func, "getpwnam");
4837 DIE(aTHX_ PL_no_func, "getpwuid");
4845 I32 which = PL_op->op_type;
4848 struct passwd *pwent = NULL;
4850 * We currently support only the SysV getsp* shadow password interface.
4851 * The interface is declared in <shadow.h> and often one needs to link
4852 * with -lsecurity or some such.
4853 * This interface is used at least by Solaris, HP-UX, IRIX, and Linux.
4856 * AIX getpwnam() is clever enough to return the encrypted password
4857 * only if the caller (euid?) is root.
4859 * There are at least two other shadow password APIs. Many platforms
4860 * seem to contain more than one interface for accessing the shadow
4861 * password databases, possibly for compatibility reasons.
4862 * The getsp*() is by far he simplest one, the other two interfaces
4863 * are much more complicated, but also very similar to each other.
4868 * struct pr_passwd *getprpw*();
4869 * The password is in
4870 * char getprpw*(...).ufld.fd_encrypt[]
4871 * Mention HAS_GETPRPWNAM here so that Configure probes for it.
4876 * struct es_passwd *getespw*();
4877 * The password is in
4878 * char *(getespw*(...).ufld.fd_encrypt)
4879 * Mention HAS_GETESPWNAM here so that Configure probes for it.
4881 * Mention I_PROT here so that Configure probes for it.
4883 * In HP-UX for getprpw*() the manual page claims that one should include
4884 * <hpsecurity.h> instead of <sys/security.h>, but that is not needed
4885 * if one includes <shadow.h> as that includes <hpsecurity.h>,
4886 * and pp_sys.c already includes <shadow.h> if there is such.
4888 * Note that <sys/security.h> is already probed for, but currently
4889 * it is only included in special cases.
4891 * In Digital UNIX/Tru64 if using the getespw*() (which seems to be
4892 * be preferred interface, even though also the getprpw*() interface
4893 * is available) one needs to link with -lsecurity -ldb -laud -lm.
4894 * One also needs to call set_auth_parameters() in main() before
4895 * doing anything else, whether one is using getespw*() or getprpw*().
4897 * Note that accessing the shadow databases can be magnitudes
4898 * slower than accessing the standard databases.
4905 pwent = getpwnam(POPpx);
4908 pwent = getpwuid((Uid_t)POPi);
4911 # ifdef HAS_GETPWENT
4914 DIE(aTHX_ PL_no_func, "getpwent");
4920 if (GIMME != G_ARRAY) {
4921 PUSHs(sv = sv_newmortal());
4923 if (which == OP_GPWNAM)
4924 # if Uid_t_sign <= 0
4925 sv_setiv(sv, (IV)pwent->pw_uid);
4927 sv_setuv(sv, (UV)pwent->pw_uid);
4930 sv_setpv(sv, pwent->pw_name);
4936 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4937 sv_setpv(sv, pwent->pw_name);
4939 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4941 /* If we have getspnam(), we try to dig up the shadow
4942 * password. If we are underprivileged, the shadow
4943 * interface will set the errno to EACCES or similar,
4944 * and return a null pointer. If this happens, we will
4945 * use the dummy password (usually "*" or "x") from the
4946 * standard password database.
4948 * In theory we could skip the shadow call completely
4949 * if euid != 0 but in practice we cannot know which
4950 * security measures are guarding the shadow databases
4951 * on a random platform.
4953 * Resist the urge to use additional shadow interfaces.
4954 * Divert the urge to writing an extension instead.
4957 # ifdef HAS_GETSPNAM
4959 struct spwd *spwent;
4960 int saverrno; /* Save and restore errno so that
4961 * underprivileged attempts seem
4962 * to have never made the unsccessful
4963 * attempt to retrieve the shadow password. */
4966 spwent = getspnam(pwent->pw_name);
4968 if (spwent && spwent->sp_pwdp)
4969 sv_setpv(sv, spwent->sp_pwdp);
4973 if (!SvPOK(sv)) /* Use the standard password, then. */
4974 sv_setpv(sv, pwent->pw_passwd);
4977 # ifndef INCOMPLETE_TAINTS
4978 /* passwd is tainted because user himself can diddle with it.
4979 * admittedly not much and in a very limited way, but nevertheless. */
4983 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4984 # if Uid_t_sign <= 0
4985 sv_setiv(sv, (IV)pwent->pw_uid);
4987 sv_setuv(sv, (UV)pwent->pw_uid);
4990 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4991 # if Uid_t_sign <= 0
4992 sv_setiv(sv, (IV)pwent->pw_gid);
4994 sv_setuv(sv, (UV)pwent->pw_gid);
4996 /* pw_change, pw_quota, and pw_age are mutually exclusive--
4997 * because of the poor interface of the Perl getpw*(),
4998 * not because there's some standard/convention saying so.
4999 * A better interface would have been to return a hash,
5000 * but we are accursed by our history, alas. --jhi. */
5001 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5003 sv_setiv(sv, (IV)pwent->pw_change);
5006 sv_setiv(sv, (IV)pwent->pw_quota);
5009 sv_setpv(sv, pwent->pw_age);
5014 /* pw_class and pw_comment are mutually exclusive--.
5015 * see the above note for pw_change, pw_quota, and pw_age. */
5016 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5018 sv_setpv(sv, pwent->pw_class);
5021 sv_setpv(sv, pwent->pw_comment);
5025 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5027 sv_setpv(sv, pwent->pw_gecos);
5029 # ifndef INCOMPLETE_TAINTS
5030 /* pw_gecos is tainted because user himself can diddle with it. */
5034 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5035 sv_setpv(sv, pwent->pw_dir);
5037 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5038 sv_setpv(sv, pwent->pw_shell);
5039 # ifndef INCOMPLETE_TAINTS
5040 /* pw_shell is tainted because user himself can diddle with it. */
5045 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5046 sv_setiv(sv, (IV)pwent->pw_expire);
5051 DIE(aTHX_ PL_no_func, "getpwent");
5058 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
5062 DIE(aTHX_ PL_no_func, "setpwent");
5069 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
5073 DIE(aTHX_ PL_no_func, "endpwent");
5082 DIE(aTHX_ PL_no_func, "getgrnam");
5091 DIE(aTHX_ PL_no_func, "getgrgid");
5099 I32 which = PL_op->op_type;
5100 register char **elem;
5102 struct group *grent;
5105 if (which == OP_GGRNAM)
5106 grent = (struct group *)getgrnam(POPpx);
5107 else if (which == OP_GGRGID)
5108 grent = (struct group *)getgrgid(POPi);
5111 grent = (struct group *)getgrent();
5113 DIE(aTHX_ PL_no_func, "getgrent");
5117 if (GIMME != G_ARRAY) {
5118 PUSHs(sv = sv_newmortal());
5120 if (which == OP_GGRNAM)
5121 sv_setiv(sv, (IV)grent->gr_gid);
5123 sv_setpv(sv, grent->gr_name);
5129 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5130 sv_setpv(sv, grent->gr_name);
5132 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5134 sv_setpv(sv, grent->gr_passwd);
5137 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5138 sv_setiv(sv, (IV)grent->gr_gid);
5140 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5141 for (elem = grent->gr_mem; elem && *elem; elem++) {
5142 sv_catpv(sv, *elem);
5144 sv_catpvn(sv, " ", 1);
5150 DIE(aTHX_ PL_no_func, "getgrent");
5157 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
5161 DIE(aTHX_ PL_no_func, "setgrent");
5168 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
5172 DIE(aTHX_ PL_no_func, "endgrent");
5182 if (!(tmps = PerlProc_getlogin()))
5184 PUSHp(tmps, strlen(tmps));
5187 DIE(aTHX_ PL_no_func, "getlogin");
5191 /* Miscellaneous. */
5196 djSP; dMARK; dORIGMARK; dTARGET;
5197 register I32 items = SP - MARK;
5198 unsigned long a[20];
5204 while (++MARK <= SP) {
5205 if (SvTAINTED(*MARK)) {
5211 TAINT_PROPER("syscall");
5214 /* This probably won't work on machines where sizeof(long) != sizeof(int)
5215 * or where sizeof(long) != sizeof(char*). But such machines will
5216 * not likely have syscall implemented either, so who cares?
5218 while (++MARK <= SP) {
5219 if (SvNIOK(*MARK) || !i)
5220 a[i++] = SvIV(*MARK);
5221 else if (*MARK == &PL_sv_undef)
5224 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
5230 DIE(aTHX_ "Too many args to syscall");
5232 DIE(aTHX_ "Too few args to syscall");
5234 retval = syscall(a[0]);
5237 retval = syscall(a[0],a[1]);
5240 retval = syscall(a[0],a[1],a[2]);
5243 retval = syscall(a[0],a[1],a[2],a[3]);
5246 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
5249 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
5252 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
5255 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
5259 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
5262 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
5265 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5269 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5273 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5277 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5278 a[10],a[11],a[12],a[13]);
5280 #endif /* atarist */
5286 DIE(aTHX_ PL_no_func, "syscall");
5290 #ifdef FCNTL_EMULATE_FLOCK
5292 /* XXX Emulate flock() with fcntl().
5293 What's really needed is a good file locking module.
5297 fcntl_emulate_flock(int fd, int operation)
5301 switch (operation & ~LOCK_NB) {
5303 flock.l_type = F_RDLCK;
5306 flock.l_type = F_WRLCK;
5309 flock.l_type = F_UNLCK;
5315 flock.l_whence = SEEK_SET;
5316 flock.l_start = flock.l_len = (Off_t)0;
5318 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
5321 #endif /* FCNTL_EMULATE_FLOCK */
5323 #ifdef LOCKF_EMULATE_FLOCK
5325 /* XXX Emulate flock() with lockf(). This is just to increase
5326 portability of scripts. The calls are not completely
5327 interchangeable. What's really needed is a good file
5331 /* The lockf() constants might have been defined in <unistd.h>.
5332 Unfortunately, <unistd.h> causes troubles on some mixed
5333 (BSD/POSIX) systems, such as SunOS 4.1.3.
5335 Further, the lockf() constants aren't POSIX, so they might not be
5336 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5337 just stick in the SVID values and be done with it. Sigh.
5341 # define F_ULOCK 0 /* Unlock a previously locked region */
5344 # define F_LOCK 1 /* Lock a region for exclusive use */
5347 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
5350 # define F_TEST 3 /* Test a region for other processes locks */
5354 lockf_emulate_flock(int fd, int operation)
5360 /* flock locks entire file so for lockf we need to do the same */
5362 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
5363 if (pos > 0) /* is seekable and needs to be repositioned */
5364 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
5365 pos = -1; /* seek failed, so don't seek back afterwards */
5368 switch (operation) {
5370 /* LOCK_SH - get a shared lock */
5372 /* LOCK_EX - get an exclusive lock */
5374 i = lockf (fd, F_LOCK, 0);
5377 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5378 case LOCK_SH|LOCK_NB:
5379 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5380 case LOCK_EX|LOCK_NB:
5381 i = lockf (fd, F_TLOCK, 0);
5383 if ((errno == EAGAIN) || (errno == EACCES))
5384 errno = EWOULDBLOCK;
5387 /* LOCK_UN - unlock (non-blocking is a no-op) */
5389 case LOCK_UN|LOCK_NB:
5390 i = lockf (fd, F_ULOCK, 0);
5393 /* Default - can't decipher operation */
5400 if (pos > 0) /* need to restore position of the handle */
5401 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5406 #endif /* LOCKF_EMULATE_FLOCK */