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>
54 # include <sys/select.h>
58 /* XXX Configure test needed.
59 h_errno might not be a simple 'int', especially for multi-threaded
60 applications, see "extern int errno in perl.h". Creating such
61 a test requires taking into account the differences between
62 compiling multithreaded and singlethreaded ($ccflags et al).
63 HOST_NOT_FOUND is typically defined in <netdb.h>.
65 #if defined(HOST_NOT_FOUND) && !defined(h_errno) && !defined(__CYGWIN__)
73 struct passwd *getpwnam (char *);
74 struct passwd *getpwuid (Uid_t);
77 struct passwd *getpwent (void);
85 struct group *getgrnam (char *);
86 struct group *getgrgid (Gid_t);
89 struct group *getgrent (void);
94 # if defined(_MSC_VER) || defined(__MINGW32__)
95 # include <sys/utime.h>
101 /* Put this after #includes because fork and vfork prototypes may conflict. */
107 # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
110 # define my_chsize PerlLIO_chsize
115 #else /* no flock() */
117 /* fcntl.h might not have been included, even if it exists, because
118 the current Configure only sets I_FCNTL if it's needed to pick up
119 the *_OK constants. Make sure it has been included before testing
120 the fcntl() locking constants. */
121 # if defined(HAS_FCNTL) && !defined(I_FCNTL)
125 # if defined(HAS_FCNTL) && defined(FCNTL_CAN_LOCK)
126 # define FLOCK fcntl_emulate_flock
127 # define FCNTL_EMULATE_FLOCK
128 # else /* no flock() or fcntl(F_SETLK,...) */
130 # define FLOCK lockf_emulate_flock
131 # define LOCKF_EMULATE_FLOCK
133 # endif /* no flock() or fcntl(F_SETLK,...) */
136 static int FLOCK (int, int);
139 * These are the flock() constants. Since this sytems doesn't have
140 * flock(), the values of the constants are probably not available.
154 # endif /* emulating flock() */
156 #endif /* no flock() */
159 static char zero_but_true[ZBTLEN + 1] = "0 but true";
161 #if defined(I_SYS_ACCESS) && !defined(R_OK)
162 # include <sys/access.h>
165 #if defined(HAS_FCNTL) && defined(F_SETFD) && !defined(FD_CLOEXEC)
166 # define FD_CLOEXEC 1 /* NeXT needs this */
169 #undef PERL_EFF_ACCESS_R_OK /* EFFective uid/gid ACCESS R_OK */
170 #undef PERL_EFF_ACCESS_W_OK
171 #undef PERL_EFF_ACCESS_X_OK
173 /* F_OK unused: if stat() cannot find it... */
175 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) && defined(EFF_ONLY_OK) && !defined(NO_EFF_ONLY_OK)
176 /* Digital UNIX (when the EFF_ONLY_OK gets fixed), UnixWare */
177 # define PERL_EFF_ACCESS_R_OK(p) (access((p), R_OK | EFF_ONLY_OK))
178 # define PERL_EFF_ACCESS_W_OK(p) (access((p), W_OK | EFF_ONLY_OK))
179 # define PERL_EFF_ACCESS_X_OK(p) (access((p), X_OK | EFF_ONLY_OK))
182 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_EACCESS)
183 # ifdef I_SYS_SECURITY
184 # include <sys/security.h>
188 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK, ACC_SELF))
189 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK, ACC_SELF))
190 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK, ACC_SELF))
193 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK))
194 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK))
195 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK))
199 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESSX) && defined(ACC_SELF)
201 # define PERL_EFF_ACCESS_R_OK(p) (accessx((p), R_OK, ACC_SELF))
202 # define PERL_EFF_ACCESS_W_OK(p) (accessx((p), W_OK, ACC_SELF))
203 # define PERL_EFF_ACCESS_X_OK(p) (accessx((p), X_OK, ACC_SELF))
206 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) \
207 && (defined(HAS_SETREUID) || defined(HAS_SETRESUID) \
208 || defined(HAS_SETREGID) || defined(HAS_SETRESGID))
211 S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
213 Uid_t ruid = getuid();
214 Uid_t euid = geteuid();
215 Gid_t rgid = getgid();
216 Gid_t egid = getegid();
220 #if !defined(HAS_SETREUID) && !defined(HAS_SETRESUID)
221 Perl_croak(aTHX_ "switching effective uid is not implemented");
224 if (setreuid(euid, ruid))
227 if (setresuid(euid, ruid, (Uid_t)-1))
230 Perl_croak(aTHX_ "entering effective uid failed");
233 #if !defined(HAS_SETREGID) && !defined(HAS_SETRESGID)
234 Perl_croak(aTHX_ "switching effective gid is not implemented");
237 if (setregid(egid, rgid))
240 if (setresgid(egid, rgid, (Gid_t)-1))
243 Perl_croak(aTHX_ "entering effective gid failed");
246 res = access(path, mode);
249 if (setreuid(ruid, euid))
252 if (setresuid(ruid, euid, (Uid_t)-1))
255 Perl_croak(aTHX_ "leaving effective uid failed");
258 if (setregid(rgid, egid))
261 if (setresgid(rgid, egid, (Gid_t)-1))
264 Perl_croak(aTHX_ "leaving effective gid failed");
269 # define PERL_EFF_ACCESS_R_OK(p) (emulate_eaccess((p), R_OK))
270 # define PERL_EFF_ACCESS_W_OK(p) (emulate_eaccess((p), W_OK))
271 # define PERL_EFF_ACCESS_X_OK(p) (emulate_eaccess((p), X_OK))
274 #if !defined(PERL_EFF_ACCESS_R_OK)
276 S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
278 Perl_croak(aTHX_ "switching effective uid is not implemented");
294 if (PL_op->op_private & OPpOPEN_IN_RAW)
296 else if (PL_op->op_private & OPpOPEN_IN_CRLF)
298 fp = PerlProc_popen(tmps, mode);
301 if (PL_curcop->cop_io) {
302 type = SvPV_nolen(PL_curcop->cop_io);
305 PerlIO_apply_layers(aTHX_ fp,mode,type);
307 if (gimme == G_VOID) {
309 while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
313 else if (gimme == G_SCALAR) {
314 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
315 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
326 if (sv_gets(sv, fp, 0) == Nullch) {
330 XPUSHs(sv_2mortal(sv));
331 if (SvLEN(sv) - SvCUR(sv) > 20) {
332 SvLEN_set(sv, SvCUR(sv)+1);
333 Renew(SvPVX(sv), SvLEN(sv), char);
338 STATUS_NATIVE_SET(PerlProc_pclose(fp));
339 TAINT; /* "I believe that this is not gratuitous!" */
342 STATUS_NATIVE_SET(-1);
343 if (gimme == G_SCALAR)
353 tryAMAGICunTARGET(iter, -1);
355 /* Note that we only ever get here if File::Glob fails to load
356 * without at the same time croaking, for some reason, or if
357 * perl was built with PERL_EXTERNAL_GLOB */
364 * The external globbing program may use things we can't control,
365 * so for security reasons we must assume the worst.
368 taint_proper(PL_no_security, "glob");
372 SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */
373 PL_last_in_gv = (GV*)*PL_stack_sp--;
375 SAVESPTR(PL_rs); /* This is not permanent, either. */
376 PL_rs = sv_2mortal(newSVpvn("\000", 1));
379 *SvPVX(PL_rs) = '\n';
383 result = do_readline();
388 #if 0 /* XXX never used! */
392 PL_last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*PL_stack_sp--)), n_a), TRUE,SVt_PVIO);
393 return do_readline();
399 PL_last_in_gv = cGVOP_gv;
400 return do_readline();
409 if (SP - MARK != 1) {
411 do_join(TARG, &PL_sv_no, MARK, SP);
418 tmps = SvPV(tmpsv, len);
421 (void)SvUPGRADE(error, SVt_PV);
422 if (SvPOK(error) && SvCUR(error))
423 sv_catpv(error, "\t...caught");
425 tmps = SvPV(tmpsv, len);
428 tmpsv = sv_2mortal(newSVpvn("Warning: something's wrong", 26));
430 Perl_warn(aTHX_ "%"SVf, tmpsv);
441 if (SP - MARK != 1) {
443 do_join(TARG, &PL_sv_no, MARK, SP);
445 tmps = SvPV(tmpsv, len);
451 tmps = (SvROK(tmpsv) && PL_in_eval) ? Nullch : SvPV(tmpsv, len);
455 (void)SvUPGRADE(error, SVt_PV);
456 if (multiarg ? SvROK(error) : SvROK(tmpsv)) {
458 SvSetSV(error,tmpsv);
459 else if (sv_isobject(error)) {
460 HV *stash = SvSTASH(SvRV(error));
461 GV *gv = gv_fetchmethod(stash, "PROPAGATE");
463 SV *file = sv_2mortal(newSVpv(CopFILE(PL_curcop),0));
464 SV *line = sv_2mortal(newSVuv(CopLINE(PL_curcop)));
471 call_sv((SV*)GvCV(gv),
472 G_SCALAR|G_EVAL|G_KEEPERR);
473 sv_setsv(error,*PL_stack_sp--);
479 if (SvPOK(error) && SvCUR(error))
480 sv_catpv(error, "\t...propagated");
482 tmps = SvPV(tmpsv, len);
486 tmpsv = sv_2mortal(newSVpvn("Died", 4));
488 DIE(aTHX_ "%"SVf, tmpsv);
509 DIE(aTHX_ PL_no_usym, "filehandle");
511 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
513 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
514 /* Method's args are same as ours ... */
515 /* ... except handle is replaced by the object */
516 *MARK-- = SvTIED_obj((SV*)gv, mg);
520 call_method("OPEN", G_SCALAR);
533 tmps = SvPV(sv, len);
534 ok = do_openn(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp, MARK+1, (SP-MARK));
537 PUSHi( (I32)PL_forkprocess );
538 else if (PL_forkprocess == 0) /* we are a new child */
556 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
558 XPUSHs(SvTIED_obj((SV*)gv, 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 && (mg = SvTIED_mg((SV*)gv, 'q'))) {
640 XPUSHs(SvTIED_obj((SV*)gv, mg));
643 call_method("FILENO", G_SCALAR);
649 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io))) {
650 /* Can't do this because people seem to do things like
651 defined(fileno($foo)) to check whether $foo is a valid fh.
652 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
653 report_evil_fh(gv, io, PL_op->op_type);
658 PUSHi(PerlIO_fileno(fp));
669 anum = PerlLIO_umask(0);
670 (void)PerlLIO_umask(anum);
673 anum = PerlLIO_umask(POPi);
674 TAINT_PROPER("umask");
677 /* Only DIE if trying to restrict permissions on `user' (self).
678 * Otherwise it's harmless and more useful to just return undef
679 * since 'group' and 'other' concepts probably don't exist here. */
680 if (MAXARG >= 1 && (POPi & 0700))
681 DIE(aTHX_ "umask not implemented");
682 XPUSHs(&PL_sv_undef);
706 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
708 XPUSHs(SvTIED_obj((SV*)gv, mg));
713 call_method("BINMODE", G_SCALAR);
720 if (!(io = GvIO(gv)) || !(fp = IoIFP(io))) {
721 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
722 report_evil_fh(gv, io, PL_op->op_type);
727 names = SvPV(discp,len);
730 if (PerlIO_binmode(aTHX_ fp,IoTYPE(io),mode_from_discipline(discp),
731 (discp) ? SvPV_nolen(discp) : Nullch))
745 I32 markoff = MARK - PL_stack_base;
752 switch(SvTYPE(varsv)) {
754 methname = "TIEHASH";
757 methname = "TIEARRAY";
760 #ifdef GV_SHARED_CHECK
761 if (GvSHARED((GV*)varsv)) {
762 Perl_croak(aTHX_ "Attempt to tie shared GV");
765 methname = "TIEHANDLE";
769 methname = "TIESCALAR";
774 if (sv_isobject(*MARK)) {
776 PUSHSTACKi(PERLSI_MAGIC);
782 call_method(methname, G_SCALAR);
785 /* Not clear why we don't call call_method here too.
786 * perhaps to get different error message ?
788 stash = gv_stashsv(*MARK, FALSE);
789 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
790 DIE(aTHX_ "Can't locate object method \"%s\" via package \"%s\"",
791 methname, SvPV(*MARK,n_a));
794 PUSHSTACKi(PERLSI_MAGIC);
800 call_sv((SV*)GvCV(gv), G_SCALAR);
806 if (sv_isobject(sv)) {
807 sv_unmagic(varsv, how);
808 /* Croak if a self-tie on an aggregate is attempted. */
809 if (varsv == SvRV(sv) &&
810 (SvTYPE(sv) == SVt_PVAV ||
811 SvTYPE(sv) == SVt_PVHV))
813 "Self-ties of arrays and hashes are not supported");
814 sv_magic(varsv, sv, how, Nullch, 0);
817 SP = PL_stack_base + markoff;
826 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
829 if ((mg = SvTIED_mg(sv, how))) {
830 SV *obj = SvRV(mg->mg_obj);
833 if ((gv = gv_fetchmethod_autoload(SvSTASH(obj), "UNTIE", FALSE)) &&
834 isGV(gv) && (cv = GvCV(gv))) {
836 XPUSHs(SvTIED_obj((SV*)gv, mg));
837 XPUSHs(sv_2mortal(newSViv(SvREFCNT(obj)-1)));
840 call_sv((SV *)cv, G_VOID);
844 else if (ckWARN(WARN_UNTIE)) {
845 if (mg && SvREFCNT(obj) > 1)
846 Perl_warner(aTHX_ WARN_UNTIE,
847 "untie attempted while %"UVuf" inner references still exist",
848 (UV)SvREFCNT(obj) - 1 ) ;
859 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
862 if ((mg = SvTIED_mg(sv, how))) {
863 SV *osv = SvTIED_obj(sv, mg);
864 if (osv == mg->mg_obj)
865 osv = sv_mortalcopy(osv);
883 sv = sv_mortalcopy(&PL_sv_no);
884 sv_setpv(sv, "AnyDBM_File");
885 stash = gv_stashsv(sv, FALSE);
886 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
888 require_pv("AnyDBM_File.pm");
890 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
891 DIE(aTHX_ "No dbm on this machine");
901 PUSHs(sv_2mortal(newSVuv(O_RDWR|O_CREAT)));
903 PUSHs(sv_2mortal(newSVuv(O_RDWR)));
906 call_sv((SV*)GvCV(gv), G_SCALAR);
909 if (!sv_isobject(TOPs)) {
914 PUSHs(sv_2mortal(newSVuv(O_RDONLY)));
917 call_sv((SV*)GvCV(gv), G_SCALAR);
921 if (sv_isobject(TOPs)) {
922 sv_unmagic((SV *) hv, 'P');
923 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
945 struct timeval timebuf;
946 struct timeval *tbuf = &timebuf;
950 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
955 # if BYTEORDER & 0xf0000
956 # define ORDERBYTE (0x88888888 - BYTEORDER)
958 # define ORDERBYTE (0x4444 - BYTEORDER)
964 for (i = 1; i <= 3; i++) {
972 /* little endians can use vecs directly */
973 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
974 # if SELECT_MIN_BITS > 1
975 /* If SELECT_MIN_BITS is greater than one we most probably will want
976 * to align the sizes with SELECT_MIN_BITS/8 because for example
977 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
978 * UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates
979 * on (sets/tests/clears bits) is 32 bits. */
980 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
982 growsize = sizeof(fd_set);
991 masksize = NFDBITS / NBBY;
993 masksize = sizeof(long); /* documented int, everyone seems to use long */
995 growsize = maxlen + (masksize - (maxlen % masksize));
996 Zero(&fd_sets[0], 4, char*);
1004 timebuf.tv_sec = (long)value;
1005 value -= (NV)timebuf.tv_sec;
1006 timebuf.tv_usec = (long)(value * 1000000.0);
1009 tbuf = Null(struct timeval*);
1011 for (i = 1; i <= 3; i++) {
1017 else if (!SvPOK(sv))
1018 SvPV_force(sv,n_a); /* force string conversion */
1021 Sv_Grow(sv, growsize);
1025 while (++j <= growsize) {
1029 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1031 New(403, fd_sets[i], growsize, char);
1032 for (offset = 0; offset < growsize; offset += masksize) {
1033 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1034 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1037 fd_sets[i] = SvPVX(sv);
1041 nfound = PerlSock_select(
1043 (Select_fd_set_t) fd_sets[1],
1044 (Select_fd_set_t) fd_sets[2],
1045 (Select_fd_set_t) fd_sets[3],
1047 for (i = 1; i <= 3; i++) {
1050 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1052 for (offset = 0; offset < growsize; offset += masksize) {
1053 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1054 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1056 Safefree(fd_sets[i]);
1063 if (GIMME == G_ARRAY && tbuf) {
1064 value = (NV)(timebuf.tv_sec) +
1065 (NV)(timebuf.tv_usec) / 1000000.0;
1066 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1067 sv_setnv(sv, value);
1071 DIE(aTHX_ "select not implemented");
1076 Perl_setdefout(pTHX_ GV *gv)
1079 (void)SvREFCNT_inc(gv);
1081 SvREFCNT_dec(PL_defoutgv);
1088 GV *newdefout, *egv;
1091 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1093 egv = GvEGV(PL_defoutgv);
1098 XPUSHs(&PL_sv_undef);
1100 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1101 if (gvp && *gvp == egv) {
1102 gv_efullname4(TARG, PL_defoutgv, Nullch, TRUE);
1106 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1111 if (!GvIO(newdefout))
1112 gv_IOadd(newdefout);
1113 setdefout(newdefout);
1130 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1131 I32 gimme = GIMME_V;
1133 XPUSHs(SvTIED_obj((SV*)gv, mg));
1136 call_method("GETC", gimme);
1139 if (gimme == G_SCALAR)
1140 SvSetMagicSV_nosteal(TARG, TOPs);
1143 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1146 sv_setpv(TARG, " ");
1147 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1148 if (PerlIO_isutf8(IoIFP(GvIOp(gv)))) {
1149 /* Find out how many bytes the char needs */
1150 Size_t len = UTF8SKIP(SvPVX(TARG));
1153 len = PerlIO_read(IoIFP(GvIOp(gv)),SvPVX(TARG)+1,len-1);
1154 SvCUR_set(TARG,1+len);
1164 return pp_sysread();
1168 S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
1170 register PERL_CONTEXT *cx;
1171 I32 gimme = GIMME_V;
1172 AV* padlist = CvPADLIST(cv);
1173 SV** svp = AvARRAY(padlist);
1179 PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp);
1181 SAVEVPTR(PL_curpad);
1182 PL_curpad = AvARRAY((AV*)svp[1]);
1184 setdefout(gv); /* locally select filehandle so $% et al work */
1217 SV *tmpsv = sv_newmortal();
1218 gv_efullname4(tmpsv, fgv, Nullch, FALSE);
1219 name = SvPV_nolen(tmpsv);
1222 DIE(aTHX_ "Undefined format \"%s\" called", name);
1223 DIE(aTHX_ "Not a format reference");
1226 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1228 IoFLAGS(io) &= ~IOf_DIDTOP;
1229 return doform(cv,gv,PL_op->op_next);
1235 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1236 register IO *io = GvIOp(gv);
1237 PerlIO *ofp = IoOFP(io);
1241 register PERL_CONTEXT *cx;
1243 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1244 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1247 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1248 PL_formtarget != PL_toptarget)
1252 if (!IoTOP_GV(io)) {
1256 if (!IoTOP_NAME(io)) {
1257 if (!IoFMT_NAME(io))
1258 IoFMT_NAME(io) = savepv(GvNAME(gv));
1259 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
1260 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1261 if ((topgv && GvFORM(topgv)) ||
1262 !gv_fetchpv("top",FALSE,SVt_PVFM))
1263 IoTOP_NAME(io) = savepv(SvPVX(topname));
1265 IoTOP_NAME(io) = savepv("top");
1267 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1268 if (!topgv || !GvFORM(topgv)) {
1269 IoLINES_LEFT(io) = 100000000;
1272 IoTOP_GV(io) = topgv;
1274 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1275 I32 lines = IoLINES_LEFT(io);
1276 char *s = SvPVX(PL_formtarget);
1277 if (lines <= 0) /* Yow, header didn't even fit!!! */
1279 while (lines-- > 0) {
1280 s = strchr(s, '\n');
1286 STRLEN save = SvCUR(PL_formtarget);
1287 SvCUR_set(PL_formtarget, s - SvPVX(PL_formtarget));
1288 do_print(PL_formtarget, ofp);
1289 SvCUR_set(PL_formtarget, save);
1290 sv_chop(PL_formtarget, s);
1291 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1294 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1295 do_print(PL_formfeed, ofp);
1296 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1298 PL_formtarget = PL_toptarget;
1299 IoFLAGS(io) |= IOf_DIDTOP;
1302 DIE(aTHX_ "bad top format reference");
1307 SV *sv = sv_newmortal();
1308 gv_efullname4(sv, fgv, Nullch, FALSE);
1309 name = SvPV_nolen(sv);
1312 DIE(aTHX_ "Undefined top format \"%s\" called",name);
1315 DIE(aTHX_ "Undefined top format called");
1319 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1320 return doform(cv,gv,PL_op);
1324 POPBLOCK(cx,PL_curpm);
1330 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1332 /* integrate with report_evil_fh()? */
1335 SV* sv = sv_newmortal();
1336 gv_efullname4(sv, gv, Nullch, FALSE);
1337 name = SvPV_nolen(sv);
1340 Perl_warner(aTHX_ WARN_IO,
1341 "Filehandle %s opened only for input", name);
1343 Perl_warner(aTHX_ WARN_IO,
1344 "Filehandle opened only for input");
1346 else if (ckWARN(WARN_CLOSED))
1347 report_evil_fh(gv, io, PL_op->op_type);
1352 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1353 if (ckWARN(WARN_IO))
1354 Perl_warner(aTHX_ WARN_IO, "page overflow");
1356 if (!do_print(PL_formtarget, fp))
1359 FmLINES(PL_formtarget) = 0;
1360 SvCUR_set(PL_formtarget, 0);
1361 *SvEND(PL_formtarget) = '\0';
1362 if (IoFLAGS(io) & IOf_FLUSH)
1363 (void)PerlIO_flush(fp);
1368 PL_formtarget = PL_bodytarget;
1370 return pop_return();
1375 djSP; dMARK; dORIGMARK;
1383 if (PL_op->op_flags & OPf_STACKED)
1388 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1389 if (MARK == ORIGMARK) {
1392 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1396 *MARK = SvTIED_obj((SV*)gv, mg);
1399 call_method("PRINTF", G_SCALAR);
1402 MARK = ORIGMARK + 1;
1409 if (!(io = GvIO(gv))) {
1410 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
1411 report_evil_fh(gv, io, PL_op->op_type);
1412 SETERRNO(EBADF,RMS$_IFI);
1415 else if (!(fp = IoOFP(io))) {
1416 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1417 /* integrate with report_evil_fh()? */
1421 gv_efullname4(sv, gv, Nullch, FALSE);
1422 name = SvPV_nolen(sv);
1425 Perl_warner(aTHX_ WARN_IO,
1426 "Filehandle %s opened only for input", name);
1428 Perl_warner(aTHX_ WARN_IO,
1429 "Filehandle opened only for input");
1431 else if (ckWARN(WARN_CLOSED))
1432 report_evil_fh(gv, io, PL_op->op_type);
1434 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1438 do_sprintf(sv, SP - MARK, MARK + 1);
1439 if (!do_print(sv, fp))
1442 if (IoFLAGS(io) & IOf_FLUSH)
1443 if (PerlIO_flush(fp) == EOF)
1454 PUSHs(&PL_sv_undef);
1475 /* Need TIEHANDLE method ? */
1477 tmps = SvPV(sv, len);
1478 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1479 IoLINES(GvIOp(gv)) = 0;
1483 PUSHs(&PL_sv_undef);
1490 djSP; dMARK; dORIGMARK; dTARGET;
1497 Sock_size_t bufsize;
1506 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1507 (mg = SvTIED_mg((SV*)gv, 'q')))
1512 *MARK = SvTIED_obj((SV*)gv, mg);
1514 call_method("READ", G_SCALAR);
1527 sv_setpvn(bufsv, "", 0);
1528 length = SvIVx(*++MARK);
1531 offset = SvIVx(*++MARK);
1535 if (!io || !IoIFP(io))
1537 if ((fp_utf8 = PerlIO_isutf8(IoIFP(io))) && !IN_BYTE) {
1538 buffer = SvPVutf8_force(bufsv, blen);
1539 /* UTF8 may not have been set if they are all low bytes */
1543 buffer = SvPV_force(bufsv, blen);
1546 DIE(aTHX_ "Negative length");
1550 if (PL_op->op_type == OP_RECV) {
1551 char namebuf[MAXPATHLEN];
1552 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1553 bufsize = sizeof (struct sockaddr_in);
1555 bufsize = sizeof namebuf;
1557 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1561 buffer = SvGROW(bufsv, length+1);
1562 /* 'offset' means 'flags' here */
1563 count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1564 (struct sockaddr *)namebuf, &bufsize);
1567 SvCUR_set(bufsv, count);
1568 *SvEND(bufsv) = '\0';
1569 (void)SvPOK_only(bufsv);
1573 /* This should not be marked tainted if the fp is marked clean */
1574 if (!(IoFLAGS(io) & IOf_UNTAINT))
1575 SvTAINTED_on(bufsv);
1577 sv_setpvn(TARG, namebuf, bufsize);
1582 if (PL_op->op_type == OP_RECV)
1583 DIE(aTHX_ PL_no_sock_func, "recv");
1585 if (DO_UTF8(bufsv)) {
1586 /* offset adjust in characters not bytes */
1587 blen = sv_len_utf8(bufsv);
1591 DIE(aTHX_ "Offset outside string");
1594 if (DO_UTF8(bufsv)) {
1595 /* convert offset-as-chars to offset-as-bytes */
1596 offset = utf8_hop((U8 *)buffer,offset) - (U8 *) buffer;
1599 bufsize = SvCUR(bufsv);
1600 buffer = SvGROW(bufsv, length+offset+1);
1601 if (offset > bufsize) { /* Zero any newly allocated space */
1602 Zero(buffer+bufsize, offset-bufsize, char);
1604 buffer = buffer + offset;
1606 if (PL_op->op_type == OP_SYSREAD) {
1607 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1608 if (IoTYPE(io) == IoTYPE_SOCKET) {
1609 count = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1615 count = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1620 #ifdef HAS_SOCKET__bad_code_maybe
1621 if (IoTYPE(io) == IoTYPE_SOCKET) {
1622 char namebuf[MAXPATHLEN];
1623 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1624 bufsize = sizeof (struct sockaddr_in);
1626 bufsize = sizeof namebuf;
1628 count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, 0,
1629 (struct sockaddr *)namebuf, &bufsize);
1634 count = PerlIO_read(IoIFP(io), buffer, length);
1635 /* PerlIO_read() - like fread() returns 0 on both error and EOF */
1636 if (count == 0 && PerlIO_error(IoIFP(io)))
1640 if ((IoTYPE(io) == IoTYPE_WRONLY || IoIFP(io) == PerlIO_stdout()
1641 || IoIFP(io) == PerlIO_stderr()) && ckWARN(WARN_IO))
1643 /* integrate with report_evil_fh()? */
1646 SV* sv = sv_newmortal();
1647 gv_efullname4(sv, gv, Nullch, FALSE);
1648 name = SvPV_nolen(sv);
1651 Perl_warner(aTHX_ WARN_IO,
1652 "Filehandle %s opened only for output", name);
1654 Perl_warner(aTHX_ WARN_IO,
1655 "Filehandle opened only for output");
1659 SvCUR_set(bufsv, count+(buffer - SvPVX(bufsv)));
1660 *SvEND(bufsv) = '\0';
1661 (void)SvPOK_only(bufsv);
1662 if (fp_utf8 && !IN_BYTE) {
1663 /* Look at utf8 we got back and count the characters */
1664 char *bend = buffer + count;
1665 while (buffer < bend) {
1666 STRLEN skip = UTF8SKIP(buffer);
1667 if (buffer+skip > bend) {
1668 /* partial character - try for rest of it */
1669 length = skip - (bend-buffer);
1670 offset = bend - SvPVX(bufsv);
1678 /* If we have not 'got' the number of _characters_ we 'wanted' get some more
1679 provided amount read (count) was what was requested (length)
1681 if (got < wanted && count == length) {
1682 length = (wanted-got);
1683 offset = bend - SvPVX(bufsv);
1686 /* return value is character count */
1691 /* This should not be marked tainted if the fp is marked clean */
1692 if (!(IoFLAGS(io) & IOf_UNTAINT))
1693 SvTAINTED_on(bufsv);
1706 int items = (SP - PL_stack_base) - TOPMARK;
1710 sv = sv_2mortal(newSViv(sv_len(*SP)));
1719 djSP; dMARK; dORIGMARK; dTARGET;
1730 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1734 *MARK = SvTIED_obj((SV*)gv, mg);
1736 call_method("WRITE", G_SCALAR);
1747 #if Size_t_size > IVSIZE
1748 length = (Size_t)SvNVx(*++MARK);
1750 length = (Size_t)SvIVx(*++MARK);
1752 if ((SSize_t)length < 0)
1753 DIE(aTHX_ "Negative length");
1756 if (!io || !IoIFP(io)) {
1758 if (ckWARN(WARN_CLOSED))
1759 report_evil_fh(gv, io, PL_op->op_type);
1763 if (PerlIO_isutf8(IoIFP(io))) {
1764 buffer = SvPVutf8(bufsv, blen);
1768 sv_utf8_downgrade(bufsv, FALSE);
1769 buffer = SvPV(bufsv, blen);
1772 if (PL_op->op_type == OP_SYSWRITE) {
1774 if (DO_UTF8(bufsv)) {
1775 /* length and offset are in chars */
1776 blen = sv_len_utf8(bufsv);
1779 offset = SvIVx(*++MARK);
1782 DIE(aTHX_ "Offset outside string");
1784 } else if (offset >= blen && blen > 0)
1785 DIE(aTHX_ "Offset outside string");
1788 if (length > blen - offset)
1789 length = blen - offset;
1790 if (DO_UTF8(bufsv)) {
1791 buffer = (char*)utf8_hop((U8 *)buffer, offset);
1792 length = utf8_hop((U8 *)buffer, length) - (U8 *)buffer;
1795 buffer = buffer+offset;
1797 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1798 if (IoTYPE(io) == IoTYPE_SOCKET) {
1799 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1805 /* See the note at doio.c:do_print about filesize limits. --jhi */
1806 retval = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1811 else if (SP > MARK) {
1814 sockbuf = SvPVx(*++MARK, mlen);
1815 /* length is really flags */
1816 retval = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen,
1817 length, (struct sockaddr *)sockbuf, mlen);
1820 /* length is really flags */
1821 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1824 DIE(aTHX_ PL_no_sock_func, "send");
1829 #if Size_t_size > IVSIZE
1843 return pp_sysread();
1853 if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */
1855 gv = PL_last_in_gv = PL_argvgv;
1857 if (io && !IoIFP(io)) {
1858 if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) {
1860 IoFLAGS(io) &= ~IOf_START;
1861 do_open(gv, "-", 1, FALSE, O_RDONLY, 0, Nullfp);
1862 sv_setpvn(GvSV(gv), "-", 1);
1863 SvSETMAGIC(GvSV(gv));
1865 else if (!nextargv(gv))
1870 gv = PL_last_in_gv; /* eof */
1873 gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */
1875 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1877 XPUSHs(SvTIED_obj((SV*)gv, mg));
1880 call_method("EOF", G_SCALAR);
1886 PUSHs(boolSV(!gv || do_eof(gv)));
1899 gv = PL_last_in_gv = (GV*)POPs;
1901 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1903 XPUSHs(SvTIED_obj((SV*)gv, mg));
1906 call_method("TELL", G_SCALAR);
1912 #if LSEEKSIZE > IVSIZE
1913 PUSHn( do_tell(gv) );
1915 PUSHi( do_tell(gv) );
1922 return pp_sysseek();
1930 #if LSEEKSIZE > IVSIZE
1931 Off_t offset = (Off_t)SvNVx(POPs);
1933 Off_t offset = (Off_t)SvIVx(POPs);
1937 gv = PL_last_in_gv = (GV*)POPs;
1939 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1941 XPUSHs(SvTIED_obj((SV*)gv, mg));
1942 #if LSEEKSIZE > IVSIZE
1943 XPUSHs(sv_2mortal(newSVnv((NV) offset)));
1945 XPUSHs(sv_2mortal(newSViv(offset)));
1947 XPUSHs(sv_2mortal(newSViv(whence)));
1950 call_method("SEEK", G_SCALAR);
1956 if (PL_op->op_type == OP_SEEK)
1957 PUSHs(boolSV(do_seek(gv, offset, whence)));
1959 Off_t sought = do_sysseek(gv, offset, whence);
1961 PUSHs(&PL_sv_undef);
1964 #if LSEEKSIZE > IVSIZE
1969 : newSVpvn(zero_but_true, ZBTLEN);
1970 PUSHs(sv_2mortal(sv));
1979 /* There seems to be no consensus on the length type of truncate()
1980 * and ftruncate(), both off_t and size_t have supporters. In
1981 * general one would think that when using large files, off_t is
1982 * at least as wide as size_t, so using an off_t should be okay. */
1983 /* XXX Configure probe for the length type of *truncate() needed XXX */
1989 #if Size_t_size > IVSIZE
1994 /* Checking for length < 0 is problematic as the type might or
1995 * might not be signed: if it is not, clever compilers will moan. */
1996 /* XXX Configure probe for the signedness of the length type of *truncate() needed? XXX */
1998 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1999 if (PL_op->op_flags & OPf_SPECIAL) {
2000 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
2002 TAINT_PROPER("truncate");
2003 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)))
2006 PerlIO_flush(IoIFP(GvIOp(tmpgv)));
2008 if (ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
2010 if (my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
2020 if (SvTYPE(sv) == SVt_PVGV) {
2021 tmpgv = (GV*)sv; /* *main::FRED for example */
2024 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2025 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
2029 name = SvPV(sv, n_a);
2030 TAINT_PROPER("truncate");
2032 if (truncate(name, len) < 0)
2037 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
2040 if (my_chsize(tmpfd, len) < 0)
2042 PerlLIO_close(tmpfd);
2051 SETERRNO(EBADF,RMS$_IFI);
2054 DIE(aTHX_ "truncate not implemented");
2067 unsigned int func = U_I(POPn);
2068 int optype = PL_op->op_type;
2072 IO *io = gv ? GvIOn(gv) : 0;
2074 if (!io || !argsv || !IoIFP(io)) {
2075 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2076 report_evil_fh(gv, io, PL_op->op_type);
2077 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
2081 if (SvPOK(argsv) || !SvNIOK(argsv)) {
2084 s = SvPV_force(argsv, len);
2085 need = IOCPARM_LEN(func);
2087 s = Sv_Grow(argsv, need + 1);
2088 SvCUR_set(argsv, need);
2091 s[SvCUR(argsv)] = 17; /* a little sanity check here */
2094 retval = SvIV(argsv);
2095 s = INT2PTR(char*,retval); /* ouch */
2098 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
2100 if (optype == OP_IOCTL)
2102 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
2104 DIE(aTHX_ "ioctl is not implemented");
2108 #if defined(OS2) && defined(__EMX__)
2109 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
2111 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
2114 DIE(aTHX_ "fcntl is not implemented");
2118 if (s[SvCUR(argsv)] != 17)
2119 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
2120 PL_op_name[optype]);
2121 s[SvCUR(argsv)] = 0; /* put our null back */
2122 SvSETMAGIC(argsv); /* Assume it has changed */
2131 PUSHp(zero_but_true, ZBTLEN);
2151 if (gv && (io = GvIO(gv)))
2158 (void)PerlIO_flush(fp);
2159 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
2162 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2163 report_evil_fh(gv, io, PL_op->op_type);
2165 SETERRNO(EBADF,RMS$_IFI);
2170 DIE(aTHX_ PL_no_func, "flock()");
2182 int protocol = POPi;
2188 io = gv ? GvIOn(gv) : NULL;
2191 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2192 report_evil_fh(gv, io, PL_op->op_type);
2194 do_close(gv, FALSE);
2195 SETERRNO(EBADF,LIB$_INVARG);
2199 TAINT_PROPER("socket");
2200 fd = PerlSock_socket(domain, type, protocol);
2203 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
2204 IoOFP(io) = PerlIO_fdopen(fd, "w");
2205 IoTYPE(io) = IoTYPE_SOCKET;
2206 if (!IoIFP(io) || !IoOFP(io)) {
2207 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2208 if (IoOFP(io)) PerlIO_close(IoOFP(io));
2209 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
2212 #if defined(HAS_FCNTL) && defined(F_SETFD)
2213 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2218 DIE(aTHX_ PL_no_sock_func, "socket");
2225 #ifdef HAS_SOCKETPAIR
2230 int protocol = POPi;
2237 io1 = gv1 ? GvIOn(gv1) : NULL;
2238 io2 = gv2 ? GvIOn(gv2) : NULL;
2239 if (!gv1 || !gv2 || !io1 || !io2) {
2240 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) {
2242 report_evil_fh(gv1, io1, PL_op->op_type);
2244 report_evil_fh(gv1, io2, PL_op->op_type);
2247 do_close(gv1, FALSE);
2249 do_close(gv2, FALSE);
2253 TAINT_PROPER("socketpair");
2254 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2256 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2257 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2258 IoTYPE(io1) = IoTYPE_SOCKET;
2259 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2260 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2261 IoTYPE(io2) = IoTYPE_SOCKET;
2262 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2263 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2264 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2265 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2266 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2267 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2268 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2271 #if defined(HAS_FCNTL) && defined(F_SETFD)
2272 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
2273 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
2278 DIE(aTHX_ PL_no_sock_func, "socketpair");
2286 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2287 extern GETPRIVMODE();
2288 extern GETUSERMODE();
2293 register IO *io = GvIOn(gv);
2297 int mpeprivmode = 0;
2300 if (!io || !IoIFP(io))
2303 addr = SvPV(addrsv, len);
2304 TAINT_PROPER("bind");
2305 #ifdef MPE /* Deal with MPE bind() peculiarities */
2306 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2307 /* The address *MUST* stupidly be zero. */
2308 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2309 /* PRIV mode is required to bind() to ports < 1024. */
2310 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2311 ((struct sockaddr_in *)addr)->sin_port > 0) {
2312 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2317 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2318 (struct sockaddr *)addr, len) >= 0)
2321 #ifdef MPE /* Switch back to USER mode */
2332 if (ckWARN(WARN_CLOSED))
2333 report_evil_fh(gv, io, PL_op->op_type);
2334 SETERRNO(EBADF,SS$_IVCHAN);
2337 DIE(aTHX_ PL_no_sock_func, "bind");
2348 register IO *io = GvIOn(gv);
2351 if (!io || !IoIFP(io))
2354 addr = SvPV(addrsv, len);
2355 TAINT_PROPER("connect");
2356 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2362 if (ckWARN(WARN_CLOSED))
2363 report_evil_fh(gv, io, PL_op->op_type);
2364 SETERRNO(EBADF,SS$_IVCHAN);
2367 DIE(aTHX_ PL_no_sock_func, "connect");
2377 register IO *io = gv ? GvIOn(gv) : NULL;
2379 if (!gv || !io || !IoIFP(io))
2382 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2388 if (ckWARN(WARN_CLOSED))
2389 report_evil_fh(gv, io, PL_op->op_type);
2390 SETERRNO(EBADF,SS$_IVCHAN);
2393 DIE(aTHX_ PL_no_sock_func, "listen");
2405 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2406 Sock_size_t len = sizeof saddr;
2418 if (!gstio || !IoIFP(gstio))
2423 do_close(ngv, FALSE);
2425 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2428 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2429 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2430 IoTYPE(nstio) = IoTYPE_SOCKET;
2431 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2432 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2433 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2434 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2437 #if defined(HAS_FCNTL) && defined(F_SETFD)
2438 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2442 len = sizeof saddr; /* EPOC somehow truncates info */
2445 PUSHp((char *)&saddr, len);
2449 if (ckWARN(WARN_CLOSED))
2450 report_evil_fh(ggv, ggv ? GvIO(ggv) : 0, PL_op->op_type);
2451 SETERRNO(EBADF,SS$_IVCHAN);
2457 DIE(aTHX_ PL_no_sock_func, "accept");
2467 register IO *io = GvIOn(gv);
2469 if (!io || !IoIFP(io))
2472 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2476 if (ckWARN(WARN_CLOSED))
2477 report_evil_fh(gv, io, PL_op->op_type);
2478 SETERRNO(EBADF,SS$_IVCHAN);
2481 DIE(aTHX_ PL_no_sock_func, "shutdown");
2488 return pp_ssockopt();
2490 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2498 int optype = PL_op->op_type;
2501 unsigned int optname;
2507 if (optype == OP_GSOCKOPT)
2508 sv = sv_2mortal(NEWSV(22, 257));
2511 optname = (unsigned int) POPi;
2512 lvl = (unsigned int) POPi;
2516 if (!io || !IoIFP(io))
2519 fd = PerlIO_fileno(IoIFP(io));
2523 (void)SvPOK_only(sv);
2527 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2542 aint = (int)SvIV(sv);
2546 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2555 if (ckWARN(WARN_CLOSED))
2556 report_evil_fh(gv, io, optype);
2557 SETERRNO(EBADF,SS$_IVCHAN);
2562 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2569 return pp_getpeername();
2571 DIE(aTHX_ PL_no_sock_func, "getsockname");
2579 int optype = PL_op->op_type;
2583 register IO *io = GvIOn(gv);
2586 if (!io || !IoIFP(io))
2589 sv = sv_2mortal(NEWSV(22, 257));
2590 (void)SvPOK_only(sv);
2594 fd = PerlIO_fileno(IoIFP(io));
2596 case OP_GETSOCKNAME:
2597 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2600 case OP_GETPEERNAME:
2601 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2603 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2605 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";
2606 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2607 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2608 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2609 sizeof(u_short) + sizeof(struct in_addr))) {
2616 #ifdef BOGUS_GETNAME_RETURN
2617 /* Interactive Unix, getpeername() and getsockname()
2618 does not return valid namelen */
2619 if (len == BOGUS_GETNAME_RETURN)
2620 len = sizeof(struct sockaddr);
2628 if (ckWARN(WARN_CLOSED))
2629 report_evil_fh(gv, io, optype);
2630 SETERRNO(EBADF,SS$_IVCHAN);
2635 DIE(aTHX_ PL_no_sock_func, "getpeername");
2654 if (PL_op->op_flags & OPf_REF) {
2656 if (PL_op->op_type == OP_LSTAT) {
2657 if (PL_laststype != OP_LSTAT)
2658 Perl_croak(aTHX_ "The stat preceding lstat() wasn't an lstat");
2659 if (ckWARN(WARN_IO) && gv != PL_defgv)
2660 Perl_warner(aTHX_ WARN_IO,
2661 "lstat() on filehandle %s", GvENAME(gv));
2662 /* Perl_my_lstat (-l) croak's on filehandle, why warn here? */
2666 if (gv != PL_defgv) {
2667 PL_laststype = OP_STAT;
2669 sv_setpv(PL_statname, "");
2670 PL_laststatval = (GvIO(gv) && IoIFP(GvIOp(gv))
2671 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(gv))), &PL_statcache) : -1);
2673 if (PL_laststatval < 0) {
2674 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2675 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
2681 if (SvTYPE(sv) == SVt_PVGV) {
2685 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2689 sv_setpv(PL_statname, SvPV(sv,n_a));
2692 PL_laststype = PL_op->op_type;
2693 if (PL_op->op_type == OP_LSTAT)
2694 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2697 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2698 if (PL_laststatval < 0) {
2699 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2700 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2706 if (gimme != G_ARRAY) {
2707 if (gimme != G_VOID)
2708 XPUSHs(boolSV(max));
2714 PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev)));
2715 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino)));
2716 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_mode)));
2717 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_nlink)));
2718 #if Uid_t_size > IVSIZE
2719 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid)));
2721 # if Uid_t_sign <= 0
2722 PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid)));
2724 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_uid)));
2727 #if Gid_t_size > IVSIZE
2728 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid)));
2730 # if Gid_t_sign <= 0
2731 PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid)));
2733 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_gid)));
2736 #ifdef USE_STAT_RDEV
2737 PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev)));
2739 PUSHs(sv_2mortal(newSVpvn("", 0)));
2741 #if Off_t_size > IVSIZE
2742 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_size)));
2744 PUSHs(sv_2mortal(newSViv(PL_statcache.st_size)));
2747 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime)));
2748 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime)));
2749 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime)));
2751 PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime)));
2752 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime)));
2753 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime)));
2755 #ifdef USE_STAT_BLOCKS
2756 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blksize)));
2757 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blocks)));
2759 PUSHs(sv_2mortal(newSVpvn("", 0)));
2760 PUSHs(sv_2mortal(newSVpvn("", 0)));
2770 #if defined(HAS_ACCESS) && defined(R_OK)
2772 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2773 result = access(TOPpx, R_OK);
2788 if (cando(S_IRUSR, 0, &PL_statcache))
2797 #if defined(HAS_ACCESS) && defined(W_OK)
2799 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2800 result = access(TOPpx, W_OK);
2815 if (cando(S_IWUSR, 0, &PL_statcache))
2824 #if defined(HAS_ACCESS) && defined(X_OK)
2826 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2827 result = access(TOPpx, X_OK);
2842 if (cando(S_IXUSR, 0, &PL_statcache))
2851 #ifdef PERL_EFF_ACCESS_R_OK
2853 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2854 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2869 if (cando(S_IRUSR, 1, &PL_statcache))
2878 #ifdef PERL_EFF_ACCESS_W_OK
2880 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2881 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2896 if (cando(S_IWUSR, 1, &PL_statcache))
2905 #ifdef PERL_EFF_ACCESS_X_OK
2907 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2908 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2923 if (cando(S_IXUSR, 1, &PL_statcache))
2930 I32 result = my_stat();
2939 return pp_ftrowned();
2944 I32 result = my_stat();
2948 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ?
2956 I32 result = my_stat();
2960 if (PL_statcache.st_size == 0)
2967 I32 result = my_stat();
2971 #if Off_t_size > IVSIZE
2972 PUSHn(PL_statcache.st_size);
2974 PUSHi(PL_statcache.st_size);
2981 I32 result = my_stat();
2985 PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
2991 I32 result = my_stat();
2995 PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
3001 I32 result = my_stat();
3005 PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
3011 I32 result = my_stat();
3015 if (S_ISSOCK(PL_statcache.st_mode))
3022 I32 result = my_stat();
3026 if (S_ISCHR(PL_statcache.st_mode))
3033 I32 result = my_stat();
3037 if (S_ISBLK(PL_statcache.st_mode))
3044 I32 result = my_stat();
3048 if (S_ISREG(PL_statcache.st_mode))
3055 I32 result = my_stat();
3059 if (S_ISDIR(PL_statcache.st_mode))
3066 I32 result = my_stat();
3070 if (S_ISFIFO(PL_statcache.st_mode))
3077 I32 result = my_lstat();
3081 if (S_ISLNK(PL_statcache.st_mode))
3090 I32 result = my_stat();
3094 if (PL_statcache.st_mode & S_ISUID)
3104 I32 result = my_stat();
3108 if (PL_statcache.st_mode & S_ISGID)
3118 I32 result = my_stat();
3122 if (PL_statcache.st_mode & S_ISVTX)
3133 char *tmps = Nullch;
3136 if (PL_op->op_flags & OPf_REF)
3138 else if (isGV(TOPs))
3140 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3141 gv = (GV*)SvRV(POPs);
3143 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
3145 if (GvIO(gv) && IoIFP(GvIOp(gv)))
3146 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
3147 else if (tmps && isDIGIT(*tmps))
3151 if (PerlLIO_isatty(fd))
3156 #if defined(atarist) /* this will work with atariST. Configure will
3157 make guesses for other systems. */
3158 # define FILE_base(f) ((f)->_base)
3159 # define FILE_ptr(f) ((f)->_ptr)
3160 # define FILE_cnt(f) ((f)->_cnt)
3161 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
3171 register STDCHAR *s;
3178 if (PL_op->op_flags & OPf_REF)
3180 else if (isGV(TOPs))
3182 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3183 gv = (GV*)SvRV(POPs);
3189 if (gv == PL_defgv) {
3191 io = GvIO(PL_statgv);
3194 goto really_filename;
3199 PL_laststatval = -1;
3200 sv_setpv(PL_statname, "");
3201 io = GvIO(PL_statgv);
3203 if (io && IoIFP(io)) {
3204 if (! PerlIO_has_base(IoIFP(io)))
3205 DIE(aTHX_ "-T and -B not implemented on filehandles");
3206 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
3207 if (PL_laststatval < 0)
3209 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
3210 if (PL_op->op_type == OP_FTTEXT)
3214 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
3215 i = PerlIO_getc(IoIFP(io));
3217 (void)PerlIO_ungetc(IoIFP(io),i);
3219 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
3221 len = PerlIO_get_bufsiz(IoIFP(io));
3222 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
3223 /* sfio can have large buffers - limit to 512 */
3228 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) {
3230 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
3232 SETERRNO(EBADF,RMS$_IFI);
3240 PL_laststatval = -1;
3241 sv_setpv(PL_statname, SvPV(sv, n_a));
3242 if (!(fp = PerlIO_open(SvPVX(PL_statname), "r"))) {
3243 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
3244 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
3247 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache);
3248 if (PL_laststatval < 0) {
3249 (void)PerlIO_close(fp);
3252 PerlIO_binmode(aTHX_ fp, '<', O_BINARY, Nullch);
3253 len = PerlIO_read(fp, tbuf, sizeof(tbuf));
3254 (void)PerlIO_close(fp);
3256 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
3257 RETPUSHNO; /* special case NFS directories */
3258 RETPUSHYES; /* null file is anything */
3263 /* now scan s to look for textiness */
3264 /* XXX ASCII dependent code */
3266 #if defined(DOSISH) || defined(USEMYBINMODE)
3267 /* ignore trailing ^Z on short files */
3268 if (len && len < sizeof(tbuf) && tbuf[len-1] == 26)
3272 for (i = 0; i < len; i++, s++) {
3273 if (!*s) { /* null never allowed in text */
3278 else if (!(isPRINT(*s) || isSPACE(*s)))
3281 else if (*s & 128) {
3283 if ((PL_op->op_private & OPpLOCALE) && isALPHA_LC(*s))
3286 /* utf8 characters don't count as odd */
3287 if (UTF8_IS_START(*s)) {
3288 int ulen = UTF8SKIP(s);
3289 if (ulen < len - i) {
3291 for (j = 1; j < ulen; j++) {
3292 if (!UTF8_IS_CONTINUATION(s[j]))
3295 --ulen; /* loop does extra increment */
3305 *s != '\n' && *s != '\r' && *s != '\b' &&
3306 *s != '\t' && *s != '\f' && *s != 27)
3311 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3335 if (!tmps || !*tmps) {
3336 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3338 tmps = SvPV(*svp, n_a);
3340 if (!tmps || !*tmps) {
3341 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3343 tmps = SvPV(*svp, n_a);
3346 if (!tmps || !*tmps) {
3347 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3349 tmps = SvPV(*svp, n_a);
3352 TAINT_PROPER("chdir");
3353 PUSHi( PerlDir_chdir(tmps) >= 0 );
3355 /* Clear the DEFAULT element of ENV so we'll get the new value
3357 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3364 djSP; dMARK; dTARGET;
3367 value = (I32)apply(PL_op->op_type, MARK, SP);
3372 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3383 TAINT_PROPER("chroot");
3384 PUSHi( chroot(tmps) >= 0 );
3387 DIE(aTHX_ PL_no_func, "chroot");
3393 djSP; dMARK; dTARGET;
3395 value = (I32)apply(PL_op->op_type, MARK, SP);
3403 djSP; dMARK; dTARGET;
3405 value = (I32)apply(PL_op->op_type, MARK, SP);
3413 djSP; dMARK; dTARGET;
3415 value = (I32)apply(PL_op->op_type, MARK, SP);
3427 char *tmps2 = POPpx;
3428 char *tmps = SvPV(TOPs, n_a);
3429 TAINT_PROPER("rename");
3431 anum = PerlLIO_rename(tmps, tmps2);
3433 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3434 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3437 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3438 (void)UNLINK(tmps2);
3439 if (!(anum = link(tmps, tmps2)))
3440 anum = UNLINK(tmps);
3453 char *tmps2 = POPpx;
3454 char *tmps = SvPV(TOPs, n_a);
3455 TAINT_PROPER("link");
3456 SETi( PerlLIO_link(tmps, tmps2) >= 0 );
3458 DIE(aTHX_ PL_no_func, "Unsupported function link");
3468 char *tmps2 = POPpx;
3469 char *tmps = SvPV(TOPs, n_a);
3470 TAINT_PROPER("symlink");
3471 SETi( symlink(tmps, tmps2) >= 0 );
3474 DIE(aTHX_ PL_no_func, "symlink");
3483 char buf[MAXPATHLEN];
3487 #ifndef INCOMPLETE_TAINTS
3491 len = readlink(tmps, buf, sizeof buf);
3499 RETSETUNDEF; /* just pretend it's a normal file */
3503 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3505 S_dooneliner(pTHX_ char *cmd, char *filename)
3507 char *save_filename = filename;
3513 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3514 strcpy(cmdline, cmd);
3515 strcat(cmdline, " ");
3516 for (s = cmdline + strlen(cmdline); *filename; ) {
3521 myfp = PerlProc_popen(cmdline, "r");
3525 SV *tmpsv = sv_newmortal();
3526 /* Need to save/restore 'PL_rs' ?? */
3527 s = sv_gets(tmpsv, myfp, 0);
3528 (void)PerlProc_pclose(myfp);
3532 #ifdef HAS_SYS_ERRLIST
3537 /* you don't see this */
3539 #ifdef HAS_SYS_ERRLIST
3547 if (instr(s, errmsg)) {
3554 #define EACCES EPERM
3556 if (instr(s, "cannot make"))
3557 SETERRNO(EEXIST,RMS$_FEX);
3558 else if (instr(s, "existing file"))
3559 SETERRNO(EEXIST,RMS$_FEX);
3560 else if (instr(s, "ile exists"))
3561 SETERRNO(EEXIST,RMS$_FEX);
3562 else if (instr(s, "non-exist"))
3563 SETERRNO(ENOENT,RMS$_FNF);
3564 else if (instr(s, "does not exist"))
3565 SETERRNO(ENOENT,RMS$_FNF);
3566 else if (instr(s, "not empty"))
3567 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3568 else if (instr(s, "cannot access"))
3569 SETERRNO(EACCES,RMS$_PRV);
3571 SETERRNO(EPERM,RMS$_PRV);
3574 else { /* some mkdirs return no failure indication */
3575 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3576 if (PL_op->op_type == OP_RMDIR)
3581 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3606 tmps = SvPV(TOPs, len);
3607 /* Different operating and file systems take differently to
3608 * trailing slashes. According to POSIX 1003.1 1996 Edition
3609 * any number of trailing slashes should be allowed.
3610 * Thusly we snip them away so that even non-conforming
3611 * systems are happy. */
3612 /* We should probably do this "filtering" for all
3613 * the functions that expect (potentially) directory names:
3614 * -d, chdir(), chmod(), chown(), chroot(), fcntl()?,
3615 * (mkdir()), opendir(), rename(), rmdir(), stat(). --jhi */
3616 if (len > 1 && tmps[len-1] == '/') {
3617 while (tmps[len] == '/' && len > 1)
3619 tmps = savepvn(tmps, len);
3623 TAINT_PROPER("mkdir");
3625 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3627 SETi( dooneliner("mkdir", tmps) );
3628 oldumask = PerlLIO_umask(0);
3629 PerlLIO_umask(oldumask);
3630 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3644 TAINT_PROPER("rmdir");
3646 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3648 XPUSHi( dooneliner("rmdir", tmps) );
3653 /* Directory calls. */
3658 #if defined(Direntry_t) && defined(HAS_READDIR)
3660 char *dirname = POPpx;
3662 register IO *io = GvIOn(gv);
3668 PerlDir_close(IoDIRP(io));
3669 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3675 SETERRNO(EBADF,RMS$_DIR);
3678 DIE(aTHX_ PL_no_dir_func, "opendir");
3685 #if defined(Direntry_t) && defined(HAS_READDIR)
3687 Direntry_t *readdir (DIR *);
3689 register Direntry_t *dp;
3691 register IO *io = GvIOn(gv);
3694 if (!io || !IoDIRP(io))
3697 if (GIMME == G_ARRAY) {
3699 while ((dp = (Direntry_t *)PerlDir_read(IoDIRP(io)))) {
3701 sv = newSVpvn(dp->d_name, dp->d_namlen);
3703 sv = newSVpv(dp->d_name, 0);
3705 #ifndef INCOMPLETE_TAINTS
3706 if (!(IoFLAGS(io) & IOf_UNTAINT))
3709 XPUSHs(sv_2mortal(sv));
3713 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3716 sv = newSVpvn(dp->d_name, dp->d_namlen);
3718 sv = newSVpv(dp->d_name, 0);
3720 #ifndef INCOMPLETE_TAINTS
3721 if (!(IoFLAGS(io) & IOf_UNTAINT))
3724 XPUSHs(sv_2mortal(sv));
3730 SETERRNO(EBADF,RMS$_ISI);
3731 if (GIMME == G_ARRAY)
3736 DIE(aTHX_ PL_no_dir_func, "readdir");
3743 #if defined(HAS_TELLDIR) || defined(telldir)
3744 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3745 /* XXX netbsd still seemed to.
3746 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3747 --JHI 1999-Feb-02 */
3748 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3749 long telldir (DIR *);
3752 register IO *io = GvIOn(gv);
3754 if (!io || !IoDIRP(io))
3757 PUSHi( PerlDir_tell(IoDIRP(io)) );
3761 SETERRNO(EBADF,RMS$_ISI);
3764 DIE(aTHX_ PL_no_dir_func, "telldir");
3771 #if defined(HAS_SEEKDIR) || defined(seekdir)
3774 register IO *io = GvIOn(gv);
3776 if (!io || !IoDIRP(io))
3779 (void)PerlDir_seek(IoDIRP(io), along);
3784 SETERRNO(EBADF,RMS$_ISI);
3787 DIE(aTHX_ PL_no_dir_func, "seekdir");
3794 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3796 register IO *io = GvIOn(gv);
3798 if (!io || !IoDIRP(io))
3801 (void)PerlDir_rewind(IoDIRP(io));
3805 SETERRNO(EBADF,RMS$_ISI);
3808 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3815 #if defined(Direntry_t) && defined(HAS_READDIR)
3817 register IO *io = GvIOn(gv);
3819 if (!io || !IoDIRP(io))
3822 #ifdef VOID_CLOSEDIR
3823 PerlDir_close(IoDIRP(io));
3825 if (PerlDir_close(IoDIRP(io)) < 0) {
3826 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3835 SETERRNO(EBADF,RMS$_IFI);
3838 DIE(aTHX_ PL_no_dir_func, "closedir");
3842 /* Process control. */
3852 PERL_FLUSHALL_FOR_CHILD;
3858 if ((tmpgv = gv_fetchpv("$", TRUE, SVt_PV)))
3859 sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
3860 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3865 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3870 PERL_FLUSHALL_FOR_CHILD;
3871 childpid = PerlProc_fork();
3877 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3884 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3889 childpid = wait4pid(-1, &argflags, 0);
3890 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3891 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3892 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3894 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3899 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3905 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3913 childpid = wait4pid(childpid, &argflags, optype);
3914 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3915 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3916 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3918 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3923 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3929 djSP; dMARK; dORIGMARK; dTARGET;
3934 Sigsave_t ihand,qhand; /* place to save signals during system() */
3939 if (SP - MARK == 1) {
3941 char *junk = SvPV(TOPs, n_a);
3943 TAINT_PROPER("system");
3946 PERL_FLUSHALL_FOR_CHILD;
3947 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2) && !defined(__CYGWIN__) || defined(PERL_MICRO)
3948 if (PerlProc_pipe(pp) >= 0)
3950 while ((childpid = vfork()) == -1) {
3951 if (errno != EAGAIN) {
3956 PerlLIO_close(pp[0]);
3957 PerlLIO_close(pp[1]);
3965 PerlLIO_close(pp[1]);
3967 rsignal_save(SIGINT, SIG_IGN, &ihand);
3968 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3971 result = wait4pid(childpid, &status, 0);
3972 } while (result == -1 && errno == EINTR);
3974 (void)rsignal_restore(SIGINT, &ihand);
3975 (void)rsignal_restore(SIGQUIT, &qhand);
3977 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3978 do_execfree(); /* free any memory child malloced on vfork */
3984 while (n < sizeof(int)) {
3985 n1 = PerlLIO_read(pp[0],
3986 (void*)(((char*)&errkid)+n),
3992 PerlLIO_close(pp[0]);
3993 if (n) { /* Error */
3994 if (n != sizeof(int))
3995 DIE(aTHX_ "panic: kid popen errno read");
3996 errno = errkid; /* Propagate errno from kid */
3997 STATUS_CURRENT = -1;
4000 PUSHi(STATUS_CURRENT);
4004 PerlLIO_close(pp[0]);
4005 #if defined(HAS_FCNTL) && defined(F_SETFD)
4006 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
4009 if (PL_op->op_flags & OPf_STACKED) {
4010 SV *really = *++MARK;
4011 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
4013 else if (SP - MARK != 1)
4014 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
4016 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
4019 #else /* ! FORK or VMS or OS/2 */
4022 if (PL_op->op_flags & OPf_STACKED) {
4023 SV *really = *++MARK;
4024 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
4026 else if (SP - MARK != 1)
4027 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
4029 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
4031 if (PL_statusvalue == -1) /* hint that value must be returned as is */
4033 STATUS_NATIVE_SET(value);
4036 PUSHi(result ? value : STATUS_CURRENT);
4037 #endif /* !FORK or VMS */
4043 djSP; dMARK; dORIGMARK; dTARGET;
4047 PERL_FLUSHALL_FOR_CHILD;
4048 if (PL_op->op_flags & OPf_STACKED) {
4049 SV *really = *++MARK;
4050 value = (I32)do_aexec(really, MARK, SP);
4052 else if (SP - MARK != 1)
4054 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
4058 (void ) do_aspawn(Nullsv, MARK, SP);
4062 value = (I32)do_aexec(Nullsv, MARK, SP);
4067 char *junk = SvPV(*SP, n_a);
4069 TAINT_PROPER("exec");
4072 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
4075 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
4078 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
4083 #if !defined(HAS_FORK) && defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
4095 djSP; dMARK; dTARGET;
4098 value = (I32)apply(PL_op->op_type, MARK, SP);
4103 DIE(aTHX_ PL_no_func, "Unsupported function kill");
4111 XPUSHi( getppid() );
4114 DIE(aTHX_ PL_no_func, "getppid");
4130 pgrp = (I32)BSD_GETPGRP(pid);
4132 if (pid != 0 && pid != PerlProc_getpid())
4133 DIE(aTHX_ "POSIX getpgrp can't take an argument");
4139 DIE(aTHX_ PL_no_func, "getpgrp()");
4158 TAINT_PROPER("setpgrp");
4160 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
4162 if ((pgrp != 0 && pgrp != PerlProc_getpid())
4163 || (pid != 0 && pid != PerlProc_getpid()))
4165 DIE(aTHX_ "setpgrp can't take arguments");
4167 SETi( setpgrp() >= 0 );
4168 #endif /* USE_BSDPGRP */
4171 DIE(aTHX_ PL_no_func, "setpgrp()");
4180 #ifdef HAS_GETPRIORITY
4183 SETi( getpriority(which, who) );
4186 DIE(aTHX_ PL_no_func, "getpriority()");
4196 #ifdef HAS_SETPRIORITY
4200 TAINT_PROPER("setpriority");
4201 SETi( setpriority(which, who, niceval) >= 0 );
4204 DIE(aTHX_ PL_no_func, "setpriority()");
4214 XPUSHn( time(Null(Time_t*)) );
4216 XPUSHi( time(Null(Time_t*)) );
4221 /* XXX The POSIX name is CLK_TCK; it is to be preferred
4222 to HZ. Probably. For now, assume that if the system
4223 defines HZ, it does so correctly. (Will this break
4225 Probably we ought to use _sysconf(_SC_CLK_TCK), if
4226 it's supported. --AD 9/96.
4242 DIE(aTHX_ "times not implemented");
4247 (void)PerlProc_times(&PL_timesbuf);
4249 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
4250 /* struct tms, though same data */
4254 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
4255 if (GIMME == G_ARRAY) {
4256 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
4257 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
4258 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
4261 #endif /* HAS_TIMES */
4274 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
4275 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
4276 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
4282 when = (Time_t)SvNVx(POPs);
4284 when = (Time_t)SvIVx(POPs);
4287 if (PL_op->op_type == OP_LOCALTIME)
4288 tmbuf = localtime(&when);
4290 tmbuf = gmtime(&when);
4294 if (GIMME != G_ARRAY) {
4298 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
4299 dayname[tmbuf->tm_wday],
4300 monname[tmbuf->tm_mon],
4305 tmbuf->tm_year + 1900);
4306 PUSHs(sv_2mortal(tsv));
4309 PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec)));
4310 PUSHs(sv_2mortal(newSViv(tmbuf->tm_min)));
4311 PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour)));
4312 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday)));
4313 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon)));
4314 PUSHs(sv_2mortal(newSViv(tmbuf->tm_year)));
4315 PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday)));
4316 PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday)));
4317 PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst)));
4328 anum = alarm((unsigned int)anum);
4335 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
4346 (void)time(&lasttime);
4351 PerlProc_sleep((unsigned int)duration);
4354 XPUSHi(when - lasttime);
4358 /* Shared memory. */
4372 return pp_shmwrite();
4377 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4378 djSP; dMARK; dTARGET;
4379 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
4388 /* Message passing. */
4402 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4403 djSP; dMARK; dTARGET;
4404 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4415 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4416 djSP; dMARK; dTARGET;
4417 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4430 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4431 djSP; dMARK; dTARGET;
4432 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4439 DIE(aTHX_ "System V IPC is not implemented on this machine");
4445 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4446 djSP; dMARK; dTARGET;
4447 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4455 PUSHp(zero_but_true, ZBTLEN);
4465 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4466 djSP; dMARK; dTARGET;
4467 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4476 /* Get system info. */
4480 #ifdef HAS_GETHOSTBYNAME
4481 return pp_ghostent();
4483 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4489 #ifdef HAS_GETHOSTBYADDR
4490 return pp_ghostent();
4492 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4499 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4500 I32 which = PL_op->op_type;
4501 register char **elem;
4503 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4504 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4505 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4506 struct hostent *PerlSock_gethostent(void);
4508 struct hostent *hent;
4513 if (which == OP_GHBYNAME)
4514 #ifdef HAS_GETHOSTBYNAME
4515 hent = PerlSock_gethostbyname(POPpx);
4517 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4519 else if (which == OP_GHBYADDR) {
4520 #ifdef HAS_GETHOSTBYADDR
4521 int addrtype = POPi;
4524 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4526 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4528 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4532 #ifdef HAS_GETHOSTENT
4533 hent = PerlSock_gethostent();
4535 DIE(aTHX_ PL_no_sock_func, "gethostent");
4538 #ifdef HOST_NOT_FOUND
4540 STATUS_NATIVE_SET(h_errno);
4543 if (GIMME != G_ARRAY) {
4544 PUSHs(sv = sv_newmortal());
4546 if (which == OP_GHBYNAME) {
4548 sv_setpvn(sv, hent->h_addr, hent->h_length);
4551 sv_setpv(sv, (char*)hent->h_name);
4557 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4558 sv_setpv(sv, (char*)hent->h_name);
4559 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4560 for (elem = hent->h_aliases; elem && *elem; elem++) {
4561 sv_catpv(sv, *elem);
4563 sv_catpvn(sv, " ", 1);
4565 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4566 sv_setiv(sv, (IV)hent->h_addrtype);
4567 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4568 len = hent->h_length;
4569 sv_setiv(sv, (IV)len);
4571 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4572 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4573 sv_setpvn(sv, *elem, len);
4576 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4578 sv_setpvn(sv, hent->h_addr, len);
4583 DIE(aTHX_ PL_no_sock_func, "gethostent");
4589 #ifdef HAS_GETNETBYNAME
4590 return pp_gnetent();
4592 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4598 #ifdef HAS_GETNETBYADDR
4599 return pp_gnetent();
4601 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4608 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4609 I32 which = PL_op->op_type;
4610 register char **elem;
4612 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4613 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4614 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4615 struct netent *PerlSock_getnetent(void);
4617 struct netent *nent;
4620 if (which == OP_GNBYNAME)
4621 #ifdef HAS_GETNETBYNAME
4622 nent = PerlSock_getnetbyname(POPpx);
4624 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4626 else if (which == OP_GNBYADDR) {
4627 #ifdef HAS_GETNETBYADDR
4628 int addrtype = POPi;
4629 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4630 nent = PerlSock_getnetbyaddr(addr, addrtype);
4632 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4636 #ifdef HAS_GETNETENT
4637 nent = PerlSock_getnetent();
4639 DIE(aTHX_ PL_no_sock_func, "getnetent");
4643 if (GIMME != G_ARRAY) {
4644 PUSHs(sv = sv_newmortal());
4646 if (which == OP_GNBYNAME)
4647 sv_setiv(sv, (IV)nent->n_net);
4649 sv_setpv(sv, nent->n_name);
4655 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4656 sv_setpv(sv, nent->n_name);
4657 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4658 for (elem = nent->n_aliases; elem && *elem; elem++) {
4659 sv_catpv(sv, *elem);
4661 sv_catpvn(sv, " ", 1);
4663 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4664 sv_setiv(sv, (IV)nent->n_addrtype);
4665 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4666 sv_setiv(sv, (IV)nent->n_net);
4671 DIE(aTHX_ PL_no_sock_func, "getnetent");
4677 #ifdef HAS_GETPROTOBYNAME
4678 return pp_gprotoent();
4680 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4686 #ifdef HAS_GETPROTOBYNUMBER
4687 return pp_gprotoent();
4689 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4696 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4697 I32 which = PL_op->op_type;
4698 register char **elem;
4700 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4701 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4702 struct protoent *PerlSock_getprotobynumber(int);
4703 struct protoent *PerlSock_getprotoent(void);
4705 struct protoent *pent;
4708 if (which == OP_GPBYNAME)
4709 #ifdef HAS_GETPROTOBYNAME
4710 pent = PerlSock_getprotobyname(POPpx);
4712 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4714 else if (which == OP_GPBYNUMBER)
4715 #ifdef HAS_GETPROTOBYNUMBER
4716 pent = PerlSock_getprotobynumber(POPi);
4718 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4721 #ifdef HAS_GETPROTOENT
4722 pent = PerlSock_getprotoent();
4724 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4728 if (GIMME != G_ARRAY) {
4729 PUSHs(sv = sv_newmortal());
4731 if (which == OP_GPBYNAME)
4732 sv_setiv(sv, (IV)pent->p_proto);
4734 sv_setpv(sv, pent->p_name);
4740 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4741 sv_setpv(sv, pent->p_name);
4742 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4743 for (elem = pent->p_aliases; elem && *elem; elem++) {
4744 sv_catpv(sv, *elem);
4746 sv_catpvn(sv, " ", 1);
4748 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4749 sv_setiv(sv, (IV)pent->p_proto);
4754 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4760 #ifdef HAS_GETSERVBYNAME
4761 return pp_gservent();
4763 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4769 #ifdef HAS_GETSERVBYPORT
4770 return pp_gservent();
4772 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4779 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4780 I32 which = PL_op->op_type;
4781 register char **elem;
4783 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4784 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4785 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4786 struct servent *PerlSock_getservent(void);
4788 struct servent *sent;
4791 if (which == OP_GSBYNAME) {
4792 #ifdef HAS_GETSERVBYNAME
4793 char *proto = POPpx;
4796 if (proto && !*proto)
4799 sent = PerlSock_getservbyname(name, proto);
4801 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4804 else if (which == OP_GSBYPORT) {
4805 #ifdef HAS_GETSERVBYPORT
4806 char *proto = POPpx;
4807 unsigned short port = POPu;
4810 port = PerlSock_htons(port);
4812 sent = PerlSock_getservbyport(port, proto);
4814 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4818 #ifdef HAS_GETSERVENT
4819 sent = PerlSock_getservent();
4821 DIE(aTHX_ PL_no_sock_func, "getservent");
4825 if (GIMME != G_ARRAY) {
4826 PUSHs(sv = sv_newmortal());
4828 if (which == OP_GSBYNAME) {
4830 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4832 sv_setiv(sv, (IV)(sent->s_port));
4836 sv_setpv(sv, sent->s_name);
4842 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4843 sv_setpv(sv, sent->s_name);
4844 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4845 for (elem = sent->s_aliases; elem && *elem; elem++) {
4846 sv_catpv(sv, *elem);
4848 sv_catpvn(sv, " ", 1);
4850 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4852 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4854 sv_setiv(sv, (IV)(sent->s_port));
4856 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4857 sv_setpv(sv, sent->s_proto);
4862 DIE(aTHX_ PL_no_sock_func, "getservent");
4869 #ifdef HAS_SETHOSTENT
4870 PerlSock_sethostent(TOPi);
4873 DIE(aTHX_ PL_no_sock_func, "sethostent");
4880 #ifdef HAS_SETNETENT
4881 PerlSock_setnetent(TOPi);
4884 DIE(aTHX_ PL_no_sock_func, "setnetent");
4891 #ifdef HAS_SETPROTOENT
4892 PerlSock_setprotoent(TOPi);
4895 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4902 #ifdef HAS_SETSERVENT
4903 PerlSock_setservent(TOPi);
4906 DIE(aTHX_ PL_no_sock_func, "setservent");
4913 #ifdef HAS_ENDHOSTENT
4914 PerlSock_endhostent();
4918 DIE(aTHX_ PL_no_sock_func, "endhostent");
4925 #ifdef HAS_ENDNETENT
4926 PerlSock_endnetent();
4930 DIE(aTHX_ PL_no_sock_func, "endnetent");
4937 #ifdef HAS_ENDPROTOENT
4938 PerlSock_endprotoent();
4942 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4949 #ifdef HAS_ENDSERVENT
4950 PerlSock_endservent();
4954 DIE(aTHX_ PL_no_sock_func, "endservent");
4963 DIE(aTHX_ PL_no_func, "getpwnam");
4972 DIE(aTHX_ PL_no_func, "getpwuid");
4980 I32 which = PL_op->op_type;
4983 struct passwd *pwent = NULL;
4985 * We currently support only the SysV getsp* shadow password interface.
4986 * The interface is declared in <shadow.h> and often one needs to link
4987 * with -lsecurity or some such.
4988 * This interface is used at least by Solaris, HP-UX, IRIX, and Linux.
4991 * AIX getpwnam() is clever enough to return the encrypted password
4992 * only if the caller (euid?) is root.
4994 * There are at least two other shadow password APIs. Many platforms
4995 * seem to contain more than one interface for accessing the shadow
4996 * password databases, possibly for compatibility reasons.
4997 * The getsp*() is by far he simplest one, the other two interfaces
4998 * are much more complicated, but also very similar to each other.
5003 * struct pr_passwd *getprpw*();
5004 * The password is in
5005 * char getprpw*(...).ufld.fd_encrypt[]
5006 * Mention HAS_GETPRPWNAM here so that Configure probes for it.
5011 * struct es_passwd *getespw*();
5012 * The password is in
5013 * char *(getespw*(...).ufld.fd_encrypt)
5014 * Mention HAS_GETESPWNAM here so that Configure probes for it.
5016 * Mention I_PROT here so that Configure probes for it.
5018 * In HP-UX for getprpw*() the manual page claims that one should include
5019 * <hpsecurity.h> instead of <sys/security.h>, but that is not needed
5020 * if one includes <shadow.h> as that includes <hpsecurity.h>,
5021 * and pp_sys.c already includes <shadow.h> if there is such.
5023 * Note that <sys/security.h> is already probed for, but currently
5024 * it is only included in special cases.
5026 * In Digital UNIX/Tru64 if using the getespw*() (which seems to be
5027 * be preferred interface, even though also the getprpw*() interface
5028 * is available) one needs to link with -lsecurity -ldb -laud -lm.
5029 * One also needs to call set_auth_parameters() in main() before
5030 * doing anything else, whether one is using getespw*() or getprpw*().
5032 * Note that accessing the shadow databases can be magnitudes
5033 * slower than accessing the standard databases.
5040 pwent = getpwnam(POPpx);
5043 pwent = getpwuid((Uid_t)POPi);
5046 # ifdef HAS_GETPWENT
5049 DIE(aTHX_ PL_no_func, "getpwent");
5055 if (GIMME != G_ARRAY) {
5056 PUSHs(sv = sv_newmortal());
5058 if (which == OP_GPWNAM)
5059 # if Uid_t_sign <= 0
5060 sv_setiv(sv, (IV)pwent->pw_uid);
5062 sv_setuv(sv, (UV)pwent->pw_uid);
5065 sv_setpv(sv, pwent->pw_name);
5071 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5072 sv_setpv(sv, pwent->pw_name);
5074 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5076 /* If we have getspnam(), we try to dig up the shadow
5077 * password. If we are underprivileged, the shadow
5078 * interface will set the errno to EACCES or similar,
5079 * and return a null pointer. If this happens, we will
5080 * use the dummy password (usually "*" or "x") from the
5081 * standard password database.
5083 * In theory we could skip the shadow call completely
5084 * if euid != 0 but in practice we cannot know which
5085 * security measures are guarding the shadow databases
5086 * on a random platform.
5088 * Resist the urge to use additional shadow interfaces.
5089 * Divert the urge to writing an extension instead.
5092 # ifdef HAS_GETSPNAM
5094 struct spwd *spwent;
5095 int saverrno; /* Save and restore errno so that
5096 * underprivileged attempts seem
5097 * to have never made the unsccessful
5098 * attempt to retrieve the shadow password. */
5101 spwent = getspnam(pwent->pw_name);
5103 if (spwent && spwent->sp_pwdp)
5104 sv_setpv(sv, spwent->sp_pwdp);
5108 if (!SvPOK(sv)) /* Use the standard password, then. */
5109 sv_setpv(sv, pwent->pw_passwd);
5112 # ifndef INCOMPLETE_TAINTS
5113 /* passwd is tainted because user himself can diddle with it.
5114 * admittedly not much and in a very limited way, but nevertheless. */
5118 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5119 # if Uid_t_sign <= 0
5120 sv_setiv(sv, (IV)pwent->pw_uid);
5122 sv_setuv(sv, (UV)pwent->pw_uid);
5125 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5126 # if Uid_t_sign <= 0
5127 sv_setiv(sv, (IV)pwent->pw_gid);
5129 sv_setuv(sv, (UV)pwent->pw_gid);
5131 /* pw_change, pw_quota, and pw_age are mutually exclusive--
5132 * because of the poor interface of the Perl getpw*(),
5133 * not because there's some standard/convention saying so.
5134 * A better interface would have been to return a hash,
5135 * but we are accursed by our history, alas. --jhi. */
5136 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5138 sv_setiv(sv, (IV)pwent->pw_change);
5141 sv_setiv(sv, (IV)pwent->pw_quota);
5144 sv_setpv(sv, pwent->pw_age);
5149 /* pw_class and pw_comment are mutually exclusive--.
5150 * see the above note for pw_change, pw_quota, and pw_age. */
5151 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5153 sv_setpv(sv, pwent->pw_class);
5156 sv_setpv(sv, pwent->pw_comment);
5160 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5162 sv_setpv(sv, pwent->pw_gecos);
5164 # ifndef INCOMPLETE_TAINTS
5165 /* pw_gecos is tainted because user himself can diddle with it. */
5169 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5170 sv_setpv(sv, pwent->pw_dir);
5172 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5173 sv_setpv(sv, pwent->pw_shell);
5174 # ifndef INCOMPLETE_TAINTS
5175 /* pw_shell is tainted because user himself can diddle with it. */
5180 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5181 sv_setiv(sv, (IV)pwent->pw_expire);
5186 DIE(aTHX_ PL_no_func, "getpwent");
5193 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
5197 DIE(aTHX_ PL_no_func, "setpwent");
5204 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
5208 DIE(aTHX_ PL_no_func, "endpwent");
5217 DIE(aTHX_ PL_no_func, "getgrnam");
5226 DIE(aTHX_ PL_no_func, "getgrgid");
5234 I32 which = PL_op->op_type;
5235 register char **elem;
5237 struct group *grent;
5240 if (which == OP_GGRNAM)
5241 grent = (struct group *)getgrnam(POPpx);
5242 else if (which == OP_GGRGID)
5243 grent = (struct group *)getgrgid(POPi);
5246 grent = (struct group *)getgrent();
5248 DIE(aTHX_ PL_no_func, "getgrent");
5252 if (GIMME != G_ARRAY) {
5253 PUSHs(sv = sv_newmortal());
5255 if (which == OP_GGRNAM)
5256 sv_setiv(sv, (IV)grent->gr_gid);
5258 sv_setpv(sv, grent->gr_name);
5264 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5265 sv_setpv(sv, grent->gr_name);
5267 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5269 sv_setpv(sv, grent->gr_passwd);
5272 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5273 sv_setiv(sv, (IV)grent->gr_gid);
5275 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5276 for (elem = grent->gr_mem; elem && *elem; elem++) {
5277 sv_catpv(sv, *elem);
5279 sv_catpvn(sv, " ", 1);
5285 DIE(aTHX_ PL_no_func, "getgrent");
5292 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
5296 DIE(aTHX_ PL_no_func, "setgrent");
5303 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
5307 DIE(aTHX_ PL_no_func, "endgrent");
5317 if (!(tmps = PerlProc_getlogin()))
5319 PUSHp(tmps, strlen(tmps));
5322 DIE(aTHX_ PL_no_func, "getlogin");
5326 /* Miscellaneous. */
5331 djSP; dMARK; dORIGMARK; dTARGET;
5332 register I32 items = SP - MARK;
5333 unsigned long a[20];
5339 while (++MARK <= SP) {
5340 if (SvTAINTED(*MARK)) {
5346 TAINT_PROPER("syscall");
5349 /* This probably won't work on machines where sizeof(long) != sizeof(int)
5350 * or where sizeof(long) != sizeof(char*). But such machines will
5351 * not likely have syscall implemented either, so who cares?
5353 while (++MARK <= SP) {
5354 if (SvNIOK(*MARK) || !i)
5355 a[i++] = SvIV(*MARK);
5356 else if (*MARK == &PL_sv_undef)
5359 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
5365 DIE(aTHX_ "Too many args to syscall");
5367 DIE(aTHX_ "Too few args to syscall");
5369 retval = syscall(a[0]);
5372 retval = syscall(a[0],a[1]);
5375 retval = syscall(a[0],a[1],a[2]);
5378 retval = syscall(a[0],a[1],a[2],a[3]);
5381 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
5384 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
5387 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
5390 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
5394 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
5397 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
5400 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5404 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5408 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5412 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5413 a[10],a[11],a[12],a[13]);
5415 #endif /* atarist */
5421 DIE(aTHX_ PL_no_func, "syscall");
5425 #ifdef FCNTL_EMULATE_FLOCK
5427 /* XXX Emulate flock() with fcntl().
5428 What's really needed is a good file locking module.
5432 fcntl_emulate_flock(int fd, int operation)
5436 switch (operation & ~LOCK_NB) {
5438 flock.l_type = F_RDLCK;
5441 flock.l_type = F_WRLCK;
5444 flock.l_type = F_UNLCK;
5450 flock.l_whence = SEEK_SET;
5451 flock.l_start = flock.l_len = (Off_t)0;
5453 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
5456 #endif /* FCNTL_EMULATE_FLOCK */
5458 #ifdef LOCKF_EMULATE_FLOCK
5460 /* XXX Emulate flock() with lockf(). This is just to increase
5461 portability of scripts. The calls are not completely
5462 interchangeable. What's really needed is a good file
5466 /* The lockf() constants might have been defined in <unistd.h>.
5467 Unfortunately, <unistd.h> causes troubles on some mixed
5468 (BSD/POSIX) systems, such as SunOS 4.1.3.
5470 Further, the lockf() constants aren't POSIX, so they might not be
5471 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5472 just stick in the SVID values and be done with it. Sigh.
5476 # define F_ULOCK 0 /* Unlock a previously locked region */
5479 # define F_LOCK 1 /* Lock a region for exclusive use */
5482 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
5485 # define F_TEST 3 /* Test a region for other processes locks */
5489 lockf_emulate_flock(int fd, int operation)
5495 /* flock locks entire file so for lockf we need to do the same */
5497 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
5498 if (pos > 0) /* is seekable and needs to be repositioned */
5499 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
5500 pos = -1; /* seek failed, so don't seek back afterwards */
5503 switch (operation) {
5505 /* LOCK_SH - get a shared lock */
5507 /* LOCK_EX - get an exclusive lock */
5509 i = lockf (fd, F_LOCK, 0);
5512 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5513 case LOCK_SH|LOCK_NB:
5514 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5515 case LOCK_EX|LOCK_NB:
5516 i = lockf (fd, F_TLOCK, 0);
5518 if ((errno == EAGAIN) || (errno == EACCES))
5519 errno = EWOULDBLOCK;
5522 /* LOCK_UN - unlock (non-blocking is a no-op) */
5524 case LOCK_UN|LOCK_NB:
5525 i = lockf (fd, F_ULOCK, 0);
5528 /* Default - can't decipher operation */
5535 if (pos > 0) /* need to restore position of the handle */
5536 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5541 #endif /* LOCKF_EMULATE_FLOCK */